/* CSS DESIGN SYSTEM - BRIGHT RED & WHITE (PREMIUM TECH-POLITICAL LOOK) */
    :root {
      --primary-red: #d30000;
      --primary-red-hover: #b80000;
      --primary-red-dark: #990000;
      --primary-red-light: #fff1f2;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --text-dark: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
      --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.04);
      --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 20px 25px -5px rgba(211, 0, 0, 0.04), 0 10px 10px -5px rgba(211, 0, 0, 0.04);
      --font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      --font-title: 'Be Vietnam Pro', 'Inter', sans-serif;
      --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* Global Typography Reset for inputs, buttons, and selects */
    input, select, textarea, button {
      font-family: var(--font-family);
    }

    html, body {
      overflow-x: hidden;
      max-width: 100%;
      -webkit-text-size-adjust: 100%;
      text-size-adjust: 100%;
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: var(--font-family);
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }

    h1, h2, h3, h4, h5, h6 {
      font-family: var(--font-title);
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.25;
    }

    .nav-menu li a, .admin-link-btn, .btn, .btn-submit, .cat-btn, .section-title, .widget-title, .dept-title, .share-title, .comment-submit-btn, .timeline-time, .popular-title, .news-title, .news-card-title, .article-title, .category-badge, .top-marquee-date {
      font-family: var(--font-title);
    }

    /* Ticker/Sub-bar under Navigation */
    .top-marquee {
      background: #ffffff;
      color: #0f172a;
      font-size: 0.88rem;
      padding: 0;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      z-index: 99;
      position: relative;
    }

    .top-marquee-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      align-items: stretch;
      width: 100%;
    }

    .mobile-text {
      display: none !important;
    }

    .top-marquee-date {
      background: #f1f5f9;
      color: #0f172a;
      font-weight: 700;
      padding: 10px 20px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-left: 1px solid var(--border-color);
      border-right: 1px solid var(--border-color);
      flex-shrink: 0;
      font-family: var(--font-title);
      text-transform: none;
      letter-spacing: 0.5px;
    }

    .top-marquee marquee {
      font-weight: 600;
      color: #0f172a;
      padding: 10px 20px;
      align-self: center;
      margin: 0;
    }

    .top-marquee marquee a {
      color: #0f172a !important;
      font-weight: 700;
      text-decoration: none;
      transition: var(--transition);
    }

    .top-marquee marquee a:hover {
      color: var(--primary-red) !important;
    }

    /* CACHE STATUS BADGE */
    .cache-status-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
      color: #065f46;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 6px 14px 6px 12px;
      border-bottom: 1px solid #a7f3d0;
      font-family: var(--font-body, 'Roboto', sans-serif);
      width: 100%;
      box-sizing: border-box;
      position: relative;
      z-index: 98;
    }

    .cache-status-badge i.fa-bolt {
      color: #10b981;
      font-size: 0.85rem;
      animation: cachePulse 2s ease-in-out infinite;
    }

    @keyframes cachePulse {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.5; }
    }

    .cache-refresh-btn {
      margin-left: auto;
      background: none;
      border: 1px solid #34d399;
      border-radius: 6px;
      color: #065f46;
      font-size: 0.75rem;
      font-weight: 600;
      padding: 3px 10px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      transition: background 0.2s, color 0.2s, transform 0.15s;
      font-family: var(--font-body, 'Roboto', sans-serif);
    }

    .cache-refresh-btn:hover {
      background: #34d399;
      color: #fff;
      transform: scale(1.03);
    }

    .cache-refresh-btn:hover i {
      animation: spinOnce 0.5s linear;
    }

    @keyframes spinOnce {
      from { transform: rotate(0deg); }
      to   { transform: rotate(360deg); }
    }

    /* ============================================
       TRANG 404 - KHÔNG TÌM THẤY
    ============================================ */
    .view-404 {
      min-height: 70vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 60px 24px;
      animation: fadeInUp404 0.5s ease both;
    }

    @keyframes fadeInUp404 {
      from { opacity: 0; transform: translateY(24px); }
      to   { opacity: 1; transform: translateY(0); }
    }

    .err404-number {
      font-size: clamp(6rem, 20vw, 10rem);
      font-weight: 900;
      line-height: 1;
      font-family: var(--font-title, 'Playfair Display', serif);
      background: linear-gradient(135deg, #c0392b 0%, #e74c3c 40%, #f39c12 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      letter-spacing: -4px;
      filter: drop-shadow(0 4px 24px rgba(192,57,43,0.18));
      animation: pulse404 3s ease-in-out infinite;
    }

    @keyframes pulse404 {
      0%, 100% { filter: drop-shadow(0 4px 24px rgba(192,57,43,0.18)); }
      50%       { filter: drop-shadow(0 8px 40px rgba(192,57,43,0.38)); }
    }

    .err404-icon {
      font-size: 3rem;
      margin: 12px 0 18px;
      animation: swing404 2.5s ease-in-out infinite;
      display: inline-block;
    }

    @keyframes swing404 {
      0%, 100% { transform: rotate(-8deg); }
      50%       { transform: rotate(8deg); }
    }

    .err404-title {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-dark, #0f172a);
      margin: 0 0 10px;
      font-family: var(--font-title, 'Playfair Display', serif);
    }

    .err404-desc {
      font-size: 1rem;
      color: var(--text-muted, #64748b);
      max-width: 440px;
      line-height: 1.7;
      margin: 0 auto 28px;
    }

    .err404-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      justify-content: center;
      margin-bottom: 36px;
    }

    .err404-btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #c0392b, #e74c3c);
      color: #fff;
      border: none;
      border-radius: 10px;
      padding: 12px 28px;
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      transition: transform 0.2s, box-shadow 0.2s;
      box-shadow: 0 4px 16px rgba(192,57,43,0.25);
      font-family: var(--font-body, 'Roboto', sans-serif);
    }

    .err404-btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(192,57,43,0.35);
    }

    .err404-btn-secondary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: #f1f5f9;
      color: var(--text-dark, #0f172a);
      border: 1.5px solid #e2e8f0;
      border-radius: 10px;
      padding: 12px 24px;
      font-size: 0.95rem;
      font-weight: 600;
      cursor: pointer;
      transition: background 0.2s, border-color 0.2s, transform 0.2s;
      font-family: var(--font-body, 'Roboto', sans-serif);
    }

    .err404-btn-secondary:hover {
      background: #e2e8f0;
      border-color: #cbd5e1;
      transform: translateY(-2px);
    }

    .err404-suggestions {
      background: #fff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 20px 28px;
      max-width: 480px;
      width: 100%;
      text-align: left;
      box-shadow: 0 2px 12px rgba(0,0,0,0.05);
    }

    .err404-suggestions-title {
      font-size: 0.82rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.8px;
      color: var(--text-muted, #64748b);
      margin: 0 0 12px;
    }

    .err404-suggestions-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .err404-suggestions-list li a {
      display: flex;
      align-items: center;
      gap: 10px;
      color: var(--primary-red, #c0392b);
      font-weight: 600;
      font-size: 0.92rem;
      text-decoration: none;
      padding: 7px 0;
      border-bottom: 1px dashed #f1f5f9;
      transition: color 0.15s, gap 0.15s;
    }

    .err404-suggestions-list li:last-child a { border-bottom: none; }

    .err404-suggestions-list li a:hover {
      color: #e74c3c;
      gap: 14px;
    }

    @media (max-width: 600px) {
      .err404-number  { font-size: 5.5rem; }
      .err404-title   { font-size: 1.3rem; }
      .err404-actions { flex-direction: column; align-items: stretch; }
      .err404-btn-primary, .err404-btn-secondary { justify-content: center; }
    }

    header.site-header {
      background: linear-gradient(to bottom, #ffffff 0%, #faf8f0 100%);
      color: var(--text-dark);
      padding: 20px 0;
      border-bottom: 3px double #d4af37; /* Luxury double gold-bronze lines */
      position: relative;
      overflow: hidden;
      min-height: 140px;
      display: flex;
      align-items: center;
    }

    .header-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
      z-index: 2;
    }

    .header-logo-wrap {
      text-align: center;
      width: 100%;
    }

    .site-logo {
      height: auto;
      max-height: 140px;
      max-width: 100%;
      object-fit: contain;
    }

    .header-mobile-btn {
      display: none;
    }

    /* Center text block */
    .header-center-text {
      text-align: center;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 0 20px;
    }

    .banner-sub {
      font-size: 0.95rem;
      letter-spacing: 4px;
      color: #b8860b; /* Classic Gold/Bronze */
      font-weight: 700;
      text-transform: uppercase;
      margin-bottom: 2px;
      text-shadow: 0px 1px 1px rgba(255,255,255,0.8);
      font-family: var(--font-title);
    }

    .banner-title {
      font-size: 2.8rem; /* Large size */
      font-weight: 900;
      color: var(--primary-red); /* Bright Red */
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin: 4px 0;
      line-height: 1.2;
      text-shadow: 1px 1px 0px #ffffff, -1px -1px 0px #ffffff, 1px -1px 0px #ffffff, -1px 1px 0px #ffffff, 0 4px 8px rgba(0,0,0,0.06);
      font-family: var(--font-title);
    }

    .banner-desc {
      font-size: 0.85rem;
      font-weight: 700;
      color: #334155; /* Charcoal Gray */
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-top: 2px;
      opacity: 0.95;
      font-family: var(--font-title);
    }

    /* PREMIUM RED PORTAL NAVIGATION BAR */
    nav {
      background: var(--primary-red);
      border-bottom: none;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: var(--shadow-md);
    }

    .nav-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .nav-menu {
      display: flex;
      list-style: none;
      align-items: center;
    }

    .nav-menu li a {
      display: flex;
      align-items: center;
      gap: 6px;
      padding: 16px 12px;
      font-weight: 700;
      font-size: 0.82rem;
      text-transform: uppercase;
      color: #ffffff;
      letter-spacing: 0.3px;
      position: relative;
      transition: var(--transition);
      border-left: 1px solid rgba(255, 255, 255, 0.15);
      white-space: nowrap;
    }

    .nav-menu li:last-child a {
      border-right: 1px solid rgba(255, 255, 255, 0.15);
    }

    .nav-menu li a::after {
      display: none;
    }

    .nav-menu li a:hover {
      color: #fff500; /* Gold */
      background: var(--primary-red-hover);
    }

    .nav-menu li.active a {
      color: #fff500;
      background: var(--primary-red-dark);
    }

    /* Dropdown Menu Giới thiệu */
    .nav-menu li.dropdown {
      position: relative;
    }
    
    .dropdown-menu {
      position: absolute;
      top: 100%;
      left: 0;
      background: var(--primary-red-dark);
      min-width: 240px;
      box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
      list-style: none;
      padding: 6px 0;
      margin: 0;
      opacity: 0;
      visibility: hidden;
      transform: translateY(15px);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      z-index: 999;
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-top: none;
      border-radius: 0 0 8px 8px;
    }
    
    .nav-menu li.dropdown:hover .dropdown-menu {
      opacity: 1;
      visibility: visible;
      transform: translateY(0);
    }
    
    .dropdown-menu li {
      width: 100%;
    }
    
    .dropdown-menu li a {
      display: flex !important;
      align-items: center;
      gap: 10px;
      padding: 12px 20px !important;
      font-size: 0.85rem !important;
      font-weight: 600 !important;
      text-transform: none !important;
      color: rgba(255, 255, 255, 0.9) !important;
      border-left: none !important;
      border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
      transition: all 0.2s ease !important;
      letter-spacing: 0.2px !important;
      text-align: left;
    }
    
    .dropdown-menu li:last-child a {
      border-bottom: none !important;
      border-radius: 0 0 6px 6px;
    }
    
    .dropdown-menu li a:hover {
      background: rgba(255, 255, 255, 0.1) !important;
      color: #fff500 !important;
      padding-left: 24px !important;
    }

    .dropdown-menu li a i {
      font-size: 0.95rem;
      width: 16px;
      text-align: center;
      opacity: 0.8;
      transition: transform 0.2s ease;
    }

    .dropdown-menu li a:hover i {
      transform: scale(1.15);
      opacity: 1;
    }

    @media (max-width: 1200px) and (min-width: 769px) {
      .nav-menu li a {
        padding: 16px 8px;
        font-size: 0.78rem;
        gap: 4px;
      }
    }

    .nav-mobile-btn {
      display: none;
      background: none;
      border: none;
      color: #ffffff;
      font-size: 1.5rem;
      cursor: pointer;
      padding: 10px;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      align-self: center;
    }

    .nav-action-btn {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff !important;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      border: 1px solid rgba(255, 255, 255, 0.4) !important;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem !important;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: none !important;
      text-decoration: none;
    }

    .nav-action-btn:hover {
      background: #ffffff !important;
      color: var(--primary-red) !important;
      border-color: #ffffff !important;
      transform: translateY(-2px);
      box-shadow: var(--shadow-md) !important;
    }

    .nav-action-btn::after {
      display: none !important;
    }

    /* SEARCH BOX IN NAV */
    .search-box {
      display: flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.4);
      border-radius: 30px;
      padding: 0 14px;
      width: 0;
      opacity: 0;
      overflow: hidden;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      height: 40px;
    }

    .search-box.active {
      width: 200px;
      opacity: 1;
    }

    .search-box input {
      background: transparent;
      border: none;
      color: #ffffff;
      font-size: 0.88rem;
      width: 100%;
      outline: none;
      font-family: var(--font-family);
    }

    .search-box input::placeholder {
      color: rgba(255, 255, 255, 0.75);
    }

    .search-clear-btn {
      background: transparent;
      border: none;
      color: rgba(255, 255, 255, 0.6);
      cursor: pointer;
      display: none;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      padding: 4px;
      transition: var(--transition);
    }

    .search-clear-btn:hover {
      color: #ffffff;
    }

    /* MAIN CONTAINER GRID */
    .main-content {
      max-width: 1200px;
      margin: 40px auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 32px;
    }

    /* CARDS SECTION WRAPPER */
    .card-section {
      background: var(--bg-white);
      border-radius: 16px;
      padding: 30px;
      box-shadow: var(--shadow-sm);
      margin-bottom: 32px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .card-section:hover {
      box-shadow: var(--shadow-md);
    }

    .section-title {
      font-size: 1.5rem;
      text-transform: uppercase;
      margin-bottom: 24px;
      padding-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 12px;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .section-title i, .widget-title i {
      width: 32px;
      height: 32px;
      background: linear-gradient(135deg, var(--primary-red), #990000);
      color: #ffffff !important;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      font-size: 0.95rem;
      box-shadow: none !important;
      flex-shrink: 0;
    }

    .section-title::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 60px;
      height: 3px;
      background-color: var(--primary-red);
      border-radius: 3px;
    }

    /* INTRO CLB (HOME) */
    .intro-block {
      display: flex;
      gap: 24px;
      background: var(--bg-light);
      padding: 24px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
    }

    .intro-logo {
      width: 110px;
      height: 110px;
      object-fit: contain;
      flex-shrink: 0;
      border-radius: 50%;
      background: #ffffff;
      padding: 6px;
      border: 2px solid var(--border-color);
    }

    .intro-text-content p {
      font-size: 0.98rem;
      color: #334155;
      margin-bottom: 12px;
      text-align: justify;
    }

    /* NEWSPAPER PORTAL GRID */
    .news-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      margin-bottom: 25px;
    }

    /* FEATURED ARTICLE (HERO CARD - REDESIGNED WITH INSET PADDING) */
    .news-featured {
      grid-column: span 2;
      display: grid;
      grid-template-columns: 5.5fr 4.5fr;
      gap: 20px;
      padding: 16px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .news-featured:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .news-featured-img-wrap {
      border-radius: 10px;
      overflow: hidden;
      height: 100%;
      min-height: 280px;
      position: relative;
    }

    .news-featured-img {
      height: 100%;
      width: 100%;
      background-size: cover;
      background-position: center;
      transition: var(--transition);
    }

    .news-featured:hover .news-featured-img {
      transform: scale(1.04);
    }

    .news-featured-content {
      padding: 8px 12px 8px 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    .category-badge {
      font-size: 0.72rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      width: fit-content;
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      border: 1px solid transparent;
      display: inline-block;
    }

    .category-badge {
      font-size: 0.72rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 6px;
      width: fit-content;
      text-transform: uppercase;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      border: none !important;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      background: linear-gradient(135deg, #d30000 0%, #b80000 100%) !important;
      color: #ffffff !important;
      box-shadow: none !important;
    }

    .category-badge.badge-default,
    .category-badge.badge-chuyen-mon,
    .category-badge.badge-truyen-thong,
    .category-badge.badge-nhan-su,
    .category-badge.badge-hau-can,
    .category-badge.badge-dang,
    .category-badge.badge-guong-sang {
      background: linear-gradient(135deg, #d30000 0%, #b80000 100%) !important;
      color: #ffffff !important;
      border: none !important;
      box-shadow: none !important;
    }

    .category-badge.badge-chuyen-mon {
      background: #fff1f2;
      color: var(--primary-red);
      border-color: rgba(211, 0, 0, 0.08);
    }

    .category-badge.badge-truyen-thong {
      background: #eff6ff;
      color: #1d4ed8;
      border-color: rgba(29, 78, 216, 0.08);
    }

    .category-badge.badge-nhan-su {
      background: #ecfdf5;
      color: #047857;
      border-color: rgba(4, 120, 87, 0.08);
    }

    .category-badge.badge-hau-can {
      background: #fffbeb;
      color: #b45309;
      border-color: rgba(180, 83, 9, 0.08);
    }

    .category-badge.badge-dang {
      background: #fff1f2;
      color: #be123c;
      border-color: rgba(190, 18, 60, 0.1);
    }

    .category-badge.badge-guong-sang {
      background: #fef3c7;
      color: #d97706;
      border-color: rgba(217, 119, 6, 0.1);
    }

    .category-badge.badge-media-video {
      background: #fdf2f8;
      color: #db2777;
      border-color: rgba(219, 39, 119, 0.1);
    }
    .category-badge.badge-media-photo {
      background: #faf5ff;
      color: #7c3aed;
      border-color: rgba(124, 58, 237, 0.1);
    }
    .category-badge.badge-media-info {
      background: #ecfeff;
      color: #0891b2;
      border-color: rgba(8, 145, 178, 0.1);
    }
    .category-badge.badge-media-mag {
      background: #ecfdf5;
      color: #059669;
      border-color: rgba(5, 150, 105, 0.1);
    }

    .news-title {
      font-size: 1.45rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 12px;
      color: var(--text-dark);
    }

    .news-title a:hover {
      color: var(--primary-red);
    }

    .news-meta {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 14px;
      display: flex;
      gap: 16px;
      align-items: center;
      font-weight: 500;
    }

    .news-summary {
      font-size: 0.92rem;
      color: #475569;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 20px;
    }

    /* STANDARDS ARTICLES CARDS (REDESIGNED WITH INSET PADDING) */
    .news-card {
      padding: 16px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 0 !important;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .news-card-img-wrap {
      height: 190px;
      border-radius: 0 !important;
      overflow: hidden;
      position: relative;
    }

    .news-card-img {
      height: 100%;
      width: 100%;
      background-size: cover;
      background-position: center;
      transition: var(--transition);
    }

    /* Lớp phủ và nút Play cho tin bài dạng video */
    .video-play-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      justify-content: center;
      pointer-events: none;
      transition: background 0.3s ease;
    }
    .video-play-btn {
      width: 44px;
      height: 44px;
      background: var(--primary-red);
      color: #fff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.1rem;
      box-shadow: none !important;
      transition: transform 0.3s ease, background-color 0.3s ease;
    }
    .news-card:hover .video-play-btn {
      transform: scale(1.1);
      background-color: #ff1a1a;
    }

    .news-card:hover .news-card-img {
      transform: scale(1.04);
    }

    .news-card-content {
      padding: 0;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }

    .news-card-title {
      font-size: 1rem;
      font-weight: 800;
      line-height: 1.45;
      margin-bottom: 8px;
      color: var(--text-dark);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .news-card-title a:hover {
      color: var(--primary-red);
    }

    .news-card-summary {
      font-size: 0.88rem;
      color: #475569;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 12px;
      flex-grow: 1;
    }

    /* ==========================================
       HERO CAROUSEL & POPULAR GRID STYLE
       ========================================== */
    .home-hero-grid {
      display: grid;
      grid-template-columns: 7fr 3fr;
      gap: 24px;
      margin-bottom: 30px;
    }

    @media (max-width: 992px) {
      .home-hero-grid {
        grid-template-columns: 1fr;
      }
    }

    .hero-carousel-container {
      position: relative;
      height: 380px;
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .carousel-slides {
      position: relative;
      width: 100%;
      height: 100%;
    }

    .carousel-slide {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      visibility: hidden;
      pointer-events: none;
      transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
      z-index: 1;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      padding: 20px 30px;
      background-size: cover;
      background-position: center;
    }

    .carousel-slide.active {
      opacity: 1;
      visibility: visible;
      pointer-events: auto;
      z-index: 2;
    }

    .carousel-overlay {
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.4) 50%, rgba(15, 23, 42, 0.1) 100%);
      z-index: 1;
    }

    .carousel-content {
      position: relative;
      z-index: 2;
      color: #ffffff;
      text-align: left;
    }

    .carousel-content .category-badge {
      background: var(--primary-red);
      color: #ffffff;
      border: none;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .carousel-title {
      color: #ffffff;
      font-size: 1.35rem;
      font-weight: 900;
      margin-bottom: 8px;
      line-height: 1.3;
      text-shadow: 0 2px 4px rgba(0,0,0,0.4);
    }

    .carousel-title a {
      color: #ffffff;
    }
    
    .carousel-title a:hover {
      color: #fff500;
    }

    .carousel-desc {
      font-size: 0.95rem;
      opacity: 0.9;
      margin-bottom: 0;
      font-weight: 500;
      color: #e2e8f0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    .carousel-arrow {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      background: rgba(15, 23, 42, 0.4);
      color: #ffffff;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      z-index: 3;
      border: 1px solid rgba(255,255,255,0.2);
      transition: var(--transition);
      backdrop-filter: blur(4px);
    }

    .carousel-arrow:hover {
      background: var(--primary-red);
      border-color: var(--primary-red);
    }

    .carousel-prev { left: 16px; }
    .carousel-next { right: 16px; }

    .carousel-dots {
      position: absolute;
      bottom: 16px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 8px;
      z-index: 3;
    }

    .carousel-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255,255,255,0.4);
      cursor: pointer;
      transition: var(--transition);
    }

    .carousel-dot.active {
      background: #ffffff;
      width: 24px;
      border-radius: 5px;
    }

    .hero-popular-widget {
      background: var(--bg-white);
      border-radius: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      height: 380px;
      display: flex;
      flex-direction: column;
    }

    .popular-widget-header {
      background: linear-gradient(180deg, var(--primary-red) 0%, var(--primary-red-hover) 100%);
      color: #ffffff;
      padding: 16px 20px;
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      letter-spacing: 0.5px;
      text-align: center;
    }

    .popular-widget-header i {
      display: none;
    }

    .popular-widget-list {
      list-style: none;
      padding: 12px 10px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      overflow-y: auto;
      flex-grow: 1;
      text-align: left;
    }

    .popular-widget-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 6px 8px;
      border-bottom: 1px solid #f1f5f9;
      border-right: 3px solid transparent;
      border-radius: 8px;
      transition: var(--transition);
    }

    .popular-widget-item:hover {
      background: var(--primary-red-light);
      border-right-color: var(--primary-red);
    }

    .popular-widget-item:last-child {
      border-bottom: none;
    }

    .popular-widget-num {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: var(--primary-red) !important;
      color: #ffffff !important;
      font-size: 0.85rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
      margin-top: 2px;
    }

    .popular-widget-content {
      flex-grow: 1;
    }

    .popular-widget-title {
      font-size: 0.8rem;
      font-weight: 700;
      line-height: 1.5;
      color: var(--text-dark);
      margin-bottom: 2px;
      padding-top: 2px;
      padding-bottom: 2px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: var(--transition);
    }

    .popular-widget-title a {
      color: var(--text-dark);
    }

    .popular-widget-title a:hover {
      color: #2563eb;
    }

    .popular-widget-snippet {
      font-size: 0.8rem;
      color: #64748b;
      line-height: 1.4;
      margin-top: 4px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* ==========================================
       SPOTLIGHT GRID ON NEWS PAGE
       ========================================== */
    .news-spotlight-grid {
      display: grid;
      grid-template-columns: 5.8fr 4.2fr;
      gap: 24px;
      margin-bottom: 24px;
    }

    .news-spotlight-left {
      height: 100%;
    }

    .news-spotlight-left-card {
      height: 100%;
      display: flex;
      flex-direction: column;
      padding: 16px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .news-spotlight-left-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }

    .news-spotlight-right {
      display: flex;
      flex-direction: column;
      gap: 20px;
      justify-content: space-between;
    }

    .news-spotlight-right-card {
      display: grid;
      grid-template-columns: 4fr 8fr;
      gap: 16px;
      padding: 16px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 16px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: calc(50% - 10px);
    }

    .news-spotlight-right-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .news-spotlight-right-card .news-card-img-wrap {
      height: 100%;
      min-height: 110px;
      border-radius: 10px;
      overflow: hidden;
      position: relative;
    }

    .news-spotlight-right-card .news-card-content {
      padding: 0;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }

    @media (max-width: 768px) {
      .news-spotlight-grid {
        grid-template-columns: 1fr;
      }
      .news-spotlight-right-card {
        grid-template-columns: 1fr;
        height: auto;
      }
      .news-spotlight-right-card .news-card-img-wrap {
        height: 160px;
      }
      .article-title {
        font-size: 1.25rem !important;
        line-height: 1.3 !important;
      }
    }

    /* FILTER TABS BAR */
    .categories-bar {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
      margin-bottom: 24px;
    }

    .cat-btn {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      color: var(--text-muted);
      padding: 8px 18px;
      border-radius: 30px;
      font-weight: 700;
      font-size: 0.82rem;
      cursor: pointer;
      transition: var(--transition);
    }

    .cat-btn:hover {
      color: var(--primary-red);
      border-color: var(--primary-red);
    }

    .cat-btn.active {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
      box-shadow: none !important;
    }

    /* DETAILED NEWS VIEW (PREMIUM BLOG / PRESS DESIGN) */
    .article-container {
      background: var(--bg-white);
      border-radius: 16px;
      padding: 45px 30px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      max-width: 860px; /* Hạn chế chiều rộng bài viết để tương thích bố cục 2 cột */
      margin: 0 auto; /* Căn giữa nội dung bài viết */
    }

    /* ARTICLE DETAIL TWO-COLUMN LAYOUT & SIDEBAR */
    .article-layout-container {
      display: flex;
      gap: 28px;
      max-width: 1200px;
      margin: 0 auto;
      align-items: flex-start;
      justify-content: center;
      width: 100%;
    }

    .article-main-content {
      flex: 1;
      min-width: 0;
      max-width: 860px;
      width: 100%;
    }

    .article-sidebar {
      width: 310px;
      flex-shrink: 0;
      position: sticky;
      top: 100px; /* Cuộn dọc sẽ đính ở trên đầu */
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .detail-popular-widget {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      width: 100%;
    }

    .detail-popular-header {
      background: var(--primary-red-dark);
      color: #ffffff;
      padding: 12px 16px;
      font-size: 0.95rem;
      font-weight: 700;
      text-transform: uppercase;
      display: flex;
      justify-content: space-between;
      align-items: center;
      letter-spacing: 0.5px;
      border-bottom: 2px solid #be123c;
    }

    .detail-popular-header a {
      color: #ffffff;
      text-decoration: none;
      transition: opacity 0.2s;
    }

    .detail-popular-header a:hover {
      opacity: 0.8;
    }

    .detail-popular-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .detail-popular-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      padding: 12px 16px;
      border-bottom: 1px solid #f1f5f9;
      transition: background-color 0.2s;
    }

    .detail-popular-item:last-child {
      border-bottom: none;
    }

    .detail-popular-item:hover {
      background-color: #fafafa;
    }

    .detail-popular-bullet {
      width: 5px;
      height: 5px;
      background-color: var(--primary-red);
      margin-top: 7px;
      flex-shrink: 0;
      border-radius: 1px; /* Bullet vuông giống mockup */
    }

    .detail-popular-link {
      font-size: 0.86rem;
      color: var(--text-dark);
      text-decoration: none;
      line-height: 1.45;
      font-weight: 600;
      transition: color 0.2s;
    }

    .detail-popular-link:hover {
      color: var(--primary-red);
    }

    /* Ghi đè ẩn sidebar trên thiết bị di động và tablet màn hình nhỏ */
    @media (max-width: 1024px) {
      .article-layout-container {
        flex-direction: column;
        gap: 0;
      }
      .article-main-content {
        max-width: 100%;
      }
      .article-sidebar {
        display: none !important; /* Ẩn cột bên phải trên điện thoại/máy tính bảng theo yêu cầu */
      }
    }

    .breadcrumb {
      display: none !important;
    }

    #detailCategory {
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      padding: 5px 14px !important;
      border-radius: 6px !important;
      background: linear-gradient(135deg, #d30000 0%, #b80000 100%) !important;
      color: #ffffff !important;
      font-family: var(--font-title, 'Be Vietnam Pro', sans-serif) !important;
      font-size: 0.76rem !important;
      font-weight: 800 !important;
      letter-spacing: 0.5px !important;
      text-transform: uppercase !important;
      margin-bottom: 12px !important;
      box-shadow: none !important; !important;
      border: none !important;
    }

    #categoryBarNews {
      display: none !important;
    }

    /* ARTICLE MAIN TOP BANNER IMAGE */
    .article-main-image-wrap {
      margin-bottom: 24px;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }

    .article-main-image {
      width: 100%;
      height: auto;
      max-height: 480px;
      display: block;
      object-fit: cover;
    }

    .article-header {
      margin-bottom: 12px;
      border-bottom: none;
      padding-bottom: 0;
    }

    .article-category {
      display: inline-block;
    }

    .article-title {
      font-family: 'Noto Serif', 'Georgia', serif !important;
      font-size: 1.65rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.35;
      margin-bottom: 16px;
      letter-spacing: -0.5px;
    }

    .article-meta-bar {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      border-top: none;
      padding-top: 0;
      margin-top: 8px;
    }

    .article-meta-left {
      display: flex;
      align-items: center;
      gap: 0;
    }

    .article-meta-author {
      font-size: 0.82rem;
      font-weight: 800;
      letter-spacing: 0.06em;
      text-transform: uppercase;
      color: var(--text-dark);
    }

    .article-meta-sep {
      display: inline-block;
      margin: 0 10px;
      color: #9ca3af;
      font-weight: 400;
      font-size: 1rem;
      line-height: 1;
    }

    .article-meta-date {
      font-size: 0.82rem;
      font-weight: 500;
      color: #64748b;
    }

    .article-controls {
      display: flex;
      gap: 8px;
    }

    .control-btn {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      width: 32px;
      height: 32px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      font-weight: 700;
      color: var(--text-dark);
      transition: var(--transition);
    }

    .control-btn:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
      background: var(--primary-red-light);
    }

    .article-summary-lead,
    .article-summary-lead * {
      font-family: 'Noto Serif', 'Georgia', serif !important;
    }
    .article-summary-lead {
      font-size: 1.22rem !important;
      font-weight: 700 !important;
      font-style: italic !important;
      color: #2b2b2b !important;
      margin-bottom: 24px !important;
      line-height: 1.75 !important;
      text-align: justify !important;
    }

    .article-summary-lead::before {
      content: "LLTO - ";
      font-family: 'Noto Serif', 'Georgia', serif;
      font-weight: 800;
      font-style: italic;
      color: #1a1a1a;
    }

    .article-body,
    .article-body p,
    .article-body span,
    .article-body a,
    .article-body li,
    .article-body blockquote,
    .article-body strong,
    .article-body em,
    .article-body u,
    .article-body s,
    .article-body h1,
    .article-body h2,
    .article-body h3,
    .article-body h4,
    .article-body h5,
    .article-body h6 {
      font-family: 'Noto Serif', 'Georgia', serif !important;
    }
    .article-body {
      font-size: 1.15rem !important;
      color: #1a1a1a !important;
      line-height: 1.8 !important;
    }

    .article-body p {
      margin-bottom: 16px !important;
      text-align: justify !important;
    }

    /* Ẩn các đoạn văn rỗng hoặc chỉ chứa thẻ br để tránh nhân đôi khoảng cách */
    .article-body p:empty,
    .article-body p:has(> br:only-child) {
      display: none !important;
    }

    /* Tối ưu hóa khoảng cách xung quanh ảnh và thẻ p chứa ảnh */
    .article-body p:has(img) {
      margin-top: 20px !important;
      margin-bottom: 6px !important;
      text-align: center !important;
      line-height: normal !important;
    }

    .article-body img {
      width: 100% !important;
      height: auto !important;
      border-radius: 0px !important;
      display: block !important;
      margin: 16px auto 6px !important;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08) !important;
    }

    /* Nếu ảnh nằm trực tiếp ngoài thẻ p */
    .article-body > img {
      display: block !important;
      margin: 16px auto 6px !important;
    }


    /* QUILL EDITOR ALIGNMENT RULES */
    .article-body .ql-align-center {
      text-align: center !important;
    }

    .article-body .ql-align-right {
      text-align: right !important;
    }

    .article-body .ql-align-justify {
      text-align: justify !important;
    }

    .article-body .ql-align-left {
      text-align: left !important;
    }

    .article-body blockquote {
      border-left: 4px solid var(--primary-red) !important;
      padding: 12px 20px !important;
      margin: 20px 0 !important;
      color: #475569 !important;
      font-style: italic !important;
      background: #f8fafc !important;
      border-radius: 0 8px 8px 0 !important;
      font-size: 1.1rem !important;
      line-height: 1.7 !important;
    }

    .article-body .ql-indent-1 { padding-left: 3em !important; }
    .article-body .ql-indent-2 { padding-left: 6em !important; }
    .article-body .ql-indent-3 { padding-left: 9em !important; }

    .article-body h1, .article-body h2, .article-body h3, .article-body h4, .article-body h5, .article-body h6 {
      font-family: 'Noto Serif', 'Georgia', serif !important;
      font-size: 1.35rem !important;
      font-weight: 750 !important;
      margin: 28px 0 14px !important;
      color: #1a1a1a;
      line-height: 1.3 !important;
    }

    .article-image-caption {
      font-family: 'Inter', sans-serif !important;
      font-size: 0.85rem !important;
      color: #64748b !important;
      text-align: center !important;
      margin-top: 4px !important;
      margin-bottom: 20px !important;
      font-style: italic !important;
      font-weight: 500 !important;
    }

    .article-author-wrap {
      display: flex !important;
      justify-content: flex-end !important;
      width: 100% !important;
      margin-top: 35px !important;
      margin-bottom: 20px !important;
      clear: both !important;
    }

    .article-author-sign {
      display: inline-flex !important;
      align-items: center !important;
      background-color: #f1f5f9 !important;
      border-radius: 30px !important;
      padding: 6px 16px 6px 8px !important;
      border: 1px solid var(--border-color) !important;
    }

    .article-author-sign .author-icon-circle {
      width: 28px !important;
      height: 28px !important;
      background-color: #64748b !important;
      border-radius: 50% !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      color: #ffffff !important;
      margin-right: 10px !important;
      font-size: 0.85rem !important;
    }

    .article-author-sign .author-name-text {
      font-family: 'Noto Serif', 'Georgia', serif !important;
      font-size: 0.9rem !important;
      font-weight: 750 !important;
      color: #334155 !important;
      text-transform: uppercase !important;
      letter-spacing: 0.5px !important;
    }

    .news-tag-icon {
      color: #64748b !important;
      margin-right: 8px !important;
      font-size: 1.1rem !important;
      display: inline-flex !important;
      align-items: center !important;
    }

    .news-tag-badge {
      cursor: pointer !important;
      transition: var(--transition) !important;
      background: #ffffff !important; 
      color: #475569 !important; 
      font-size: 0.8rem !important; 
      padding: 4px 10px !important; 
      border-radius: 3px !important; 
      font-weight: 650 !important; 
      border: 1px solid #cbd5e1 !important; 
      display: inline-flex !important; 
      align-items: center !important;
      margin-right: 4px !important;
      margin-bottom: 4px !important;
    }
    .news-tag-badge:hover {
      background-color: var(--primary-red-light) !important;
      border-color: rgba(211, 0, 0, 0.2) !important;
      color: var(--primary-red) !important;
    }

    /* CSS for custom editor blocks */
    .news-fact-box {
      background-color: #f8fafc;
      border-left: 4px solid var(--primary-red);
      padding: 15px 20px;
      margin: 15px 0;
      border-radius: 4px;
      font-size: 0.95rem;
      color: #1e293b;
      font-family: var(--font-family);
    }
    .news-pull-quote {
      border-top: 1px solid #e2e8f0;
      border-bottom: 1px solid #e2e8f0;
      padding: 15px 10px;
      margin: 20px 0;
      text-align: center;
      font-style: italic;
      font-size: 1.15rem;
      color: var(--primary-red);
      font-family: var(--font-title);
      line-height: 1.6;
    }

    /* VIDEO EMBED RESPONSIVE (YouTube, Facebook, etc.) */
    .article-body .video-embed-wrap {
      position: relative;
      width: 100%;
      padding-bottom: 56.25%; /* 16:9 */
      height: 0;
      overflow: hidden;
      border-radius: 0;
      margin: 24px 0;
      background: #000;
      box-shadow: 0 6px 20px rgba(0,0,0,0.15);
    }
    .article-body .video-embed-wrap iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100% !important;
      height: 100% !important;
      border: none;
      border-radius: 0;
    }
    .article-body .video-embed-caption {
      font-family: 'Inter', sans-serif !important;
      font-size: 0.85rem !important;
      color: #64748b !important;
      text-align: center !important;
      margin-top: -8px !important;
      margin-bottom: 20px !important;
      font-style: italic !important;
      font-weight: 500 !important;
    }

    .article-share-section {
      border-top: 1px dashed var(--border-color);
      border-bottom: 1px dashed var(--border-color);
      padding: 20px 0;
      margin: 40px 0;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }

    .share-title {
      font-weight: 700;
      font-size: 0.85rem;
      text-transform: uppercase;
      color: var(--text-dark);
      letter-spacing: 0.5px;
    }

    .share-buttons {
      display: flex;
      gap: 12px;
    }

    .share-btn {
      padding: 8px 16px;
      border-radius: 30px;
      color: white;
      font-size: 0.82rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      border: none;
      box-shadow: 0 4px 6px rgba(0,0,0,0.05);
      transition: var(--transition);
    }

    .share-btn:hover {
      transform: translateY(-2px);
    }

    .share-print { display: none !important; }
    .share-fb { background: #1877f2; }
    .share-fb:hover { background: #166fe5; }
    .share-copy { background: #475569; }
    .share-copy:hover { background: #334155; }

    /* MOCK COMMENTS SYSTEM */
    .comments-section {
      margin-top: 48px;
    }

    .comments-title {
      font-size: 1.25rem;
      border-bottom: 2px solid var(--border-color);
      padding-bottom: 12px;
      margin-bottom: 24px;
    }

    .comment-form {
      display: grid;
      gap: 16px;
      margin-bottom: 32px;
      background: var(--bg-light);
      padding: 24px;
      border-radius: 16px;
      border: 1px solid var(--border-color);
    }

    .comment-form input, .comment-form textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-family: inherit;
      background: #ffffff;
      font-size: 0.92rem;
    }

    .comment-form input:focus, .comment-form textarea:focus {
      outline: none;
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.1);
    }

    .comment-form textarea {
      resize: vertical;
      min-height: 100px;
    }

    .comment-submit-btn {
      background: var(--primary-red);
      color: white;
      font-weight: 700;
      padding: 12px 24px;
      border: none;
      border-radius: 30px;
      cursor: pointer;
      width: fit-content;
      justify-self: end;
      box-shadow: none !important;
      transition: var(--transition);
      text-transform: uppercase;
      font-size: 0.82rem;
    }

    .comment-submit-btn:hover {
      background: var(--primary-red-hover);
      transform: translateY(-1px);
    }

    .comment-list {
      display: grid;
      gap: 24px;
    }

    .comment-item {
      display: flex;
      gap: 16px;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 20px;
    }

    .comment-avatar {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      flex-shrink: 0;
      font-size: 1.1rem;
    }

    .comment-content {
      flex-grow: 1;
    }

    .comment-meta {
      display: flex;
      justify-content: space-between;
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-bottom: 6px;
      font-weight: 600;
    }

    .comment-author {
      font-weight: 700;
      color: var(--text-dark);
      font-size: 0.95rem;
    }

    .comment-text {
      font-size: 0.95rem;
      color: #334155;
    }

    /* RELATED ARTICLES LIST */
    .related-articles {
      margin-top: 48px;
      border-top: 2px solid var(--primary-red);
      padding-top: 32px;
    }

    .related-title {
      font-size: 1.25rem;
      text-transform: uppercase;
      margin-bottom: 20px;
      color: var(--text-dark);
    }

    .related-list {
      list-style: none;
      display: grid;
      gap: 14px;
    }

    .related-list li {
      padding-left: 20px;
      position: relative;
    }

    .related-list li::before {
      content: '→';
      color: var(--primary-red);
      position: absolute;
      left: 0;
      font-weight: 800;
    }

    .related-list li a {
      font-weight: 700;
      font-size: 0.95rem;
      color: #334155;
    }

    .related-list li a:hover {
      color: var(--primary-red);
    }

    /* EXECUTIVE BOARD ORG CHART STYLING */
    .board-departments {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0;
      width: 100%;
    }

    /* HIERARCHICAL ORG CHART STYLES */
    .org-chart-container {
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
      gap: 0;
    }

    .org-level {
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .org-level-title {
      font-size: 0.8rem;
      font-weight: 800;
      color: #94a3b8;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 16px;
      font-family: var(--font-title);
      text-align: center;
    }

    .org-cards-centered {
      display: flex;
      justify-content: center;
      width: 100%;
    }

    .org-connector {
      width: 2px;
      height: 24px;
      background: #cbd5e1;
      margin: 8px 0;
    }

    .org-cards-grid-4 {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 20px;
      width: 100%;
      max-width: 1200px;
    }

    .org-sub-levels-grid {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 24px;
      width: 100%;
      max-width: 1200px;
    }

    .org-sub-level {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 16px;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .org-sub-level-title {
      font-size: 0.75rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 12px;
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 4px;
      font-family: var(--font-title);
      text-align: center;
      width: 100%;
    }

    .org-sub-cards {
      display: flex;
      flex-direction: column;
      gap: 12px;
      width: 100%;
      align-items: center;
    }

    .org-level-1 .member-avatar, .org-level-2 .member-avatar, .org-level-3 .member-avatar { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; margin: 0 auto 16px; border: none; box-shadow: none; background: transparent; transition: var(--transition); }

    .org-level-4 .member-avatar { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; margin: 0 auto 16px; border: none; box-shadow: none; background: transparent; transition: var(--transition); }

    .org-level-5 .member-avatar { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; margin: 0 auto 16px; border: none; box-shadow: none; background: transparent; transition: var(--transition); }

    .org-chart-container .member-name { font-weight: 800; font-size: 1.15rem; color: var(--primary-red); margin-bottom: 12px; font-family: var(--font-title); line-height: 1.3; white-space: nowrap !important; letter-spacing: -0.2px; text-transform: uppercase; }

    .org-chart-container .member-role { font-size: 0.9rem; color: #111; font-weight: 800; text-transform: uppercase; background: transparent; transition: var(--transition); border: none; padding: 0; margin: 0; box-shadow: none; }

    .org-level-1 .member-card, .org-level-2 .member-card, .org-level-3 .member-card { text-align: center; background: transparent; padding: 0 10px 20px 10px; border: none; box-shadow: none; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; flex: 0 1 260px; min-width: 260px; max-width: 280px; }

    .org-level-1 .member-card { text-align: center; background: transparent; padding: 0 10px 20px 10px; border: none; box-shadow: none; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; flex: 0 1 260px; min-width: 260px; max-width: 280px; }

    .org-level-2 .member-card { text-align: center; background: transparent; padding: 0 10px 20px 10px; border: none; box-shadow: none; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; flex: 0 1 260px; min-width: 260px; max-width: 280px; }

    .member-card { text-align: center; background: transparent; padding: 0 10px 20px 10px; border: none; box-shadow: none; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; flex: 0 1 260px; min-width: 260px; max-width: 280px; }

    .member-card-top { background: transparent; }



    .member-avatar { width: 100%; height: auto; aspect-ratio: 4/5; object-fit: cover; margin: 0 auto 16px; border: none; box-shadow: none; background: transparent; transition: var(--transition); }

    .member-title-label { display: none; }

    .member-name { font-weight: 800; font-size: 1.15rem; color: var(--primary-red); margin-bottom: 12px; font-family: var(--font-title); line-height: 1.3; white-space: nowrap !important; letter-spacing: -0.2px; text-transform: uppercase; }

    .member-role { font-size: 0.9rem; color: #111; font-weight: 800; text-transform: uppercase; background: transparent; transition: var(--transition); border: none; padding: 0; margin: 0; box-shadow: none; }


    /* Phản hồi trên màn hình hẹp */
    @media (max-width: 992px) {
      .board-sub-departments-grid {
        grid-template-columns: 1fr;
      }
    }

    /* TIMELINE */
    .timeline {
      position: relative;
      padding-left: 32px;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 12px;
      bottom: 12px;
      width: 2px;
      background: var(--border-color);
    }

    .timeline-item {
      position: relative;
      margin-bottom: 32px;
    }

    .timeline-badge {
      position: absolute;
      left: -32px;
      top: 6px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--primary-red);
      border: 3px solid #fff;
      box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.12);
    }

    .timeline-content {
      background: var(--bg-light);
      padding: 20px;
      border-radius: 12px;
      border: 1px solid var(--border-color);
    }

    .timeline-time {
      font-weight: 800;
      color: var(--primary-red);
      font-size: 0.85rem;
      margin-bottom: 8px;
      text-transform: uppercase;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .timeline-desc {
      font-weight: 700;
      font-size: 1.1rem;
      margin-bottom: 8px;
      color: var(--text-dark);
    }

    .timeline-meta {
      font-size: 0.88rem;
      color: var(--text-muted);
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      font-weight: 500;
    }

    /* GALLERY LIBRARY */
    .gallery-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 24px;
    }

    .gallery-card {
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
      background: #fff;
      transition: var(--transition);
      cursor: pointer;
    }

    .gallery-card:hover {
      transform: scale(1.02);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-red);
    }

    .gallery-img {
      height: 190px;
      background-size: cover;
      background-position: center;
    }

    .gallery-info {
      padding: 16px;
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    /* APPLICATION FORM */
    .form-group {
      margin-bottom: 24px;
    }

    .form-group label {
      display: block;
      font-weight: 700;
      margin-bottom: 8px;
      font-size: 0.88rem;
      color: var(--text-dark);
    }

    .form-control {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid #cbd5e1;
      border-radius: 8px;
      font-family: inherit;
      font-size: 0.95rem;
      background: #fff;
    }

    .form-control:focus {
      outline: none;
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.1);
    }

    .btn-submit {
      background: var(--primary-red);
      color: #fff;
      padding: 14px 28px;
      border: none;
      border-radius: 30px;
      font-weight: 800;
      text-transform: uppercase;
      cursor: pointer;
      box-shadow: none !important;
      transition: var(--transition);
      font-size: 0.85rem;
      letter-spacing: 0.5px;
    }

    .btn-submit:hover {
      background: var(--primary-red-hover);
      transform: translateY(-1px);
    }

    /* HOME PAGE NEW OVERHAUL LAYOUT */
    /* Quick Banners - Red Background, White Text Portal Design */
    .home-quick-banners {
      display: grid;
      grid-template-columns: repeat(4, minmax(0, 1fr));
      gap: 12px;
      margin: 30px 0;
    }
    @media (max-width: 1024px) {
      .home-quick-banners {
        grid-template-columns: repeat(3, minmax(0, 1fr));
      }
    }
    @media (max-width: 768px) {
      .home-quick-banners {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
      }
    }
    @media (max-width: 480px) {
      .home-quick-banners {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
      }
    }
    .quick-banner-card {
      display: flex;
      flex-direction: row;
      justify-content: flex-start;
      align-items: center;
      text-align: left;
      padding: 14px 16px;
      border-radius: 8px;
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: #ffffff;
      font-family: var(--font-title);
      font-weight: 700;
      text-transform: uppercase;
      cursor: pointer;
      transition: var(--transition);
      box-shadow: none !important;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
      gap: 12px;
    }
    .quick-banner-card:hover {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, #a20000 100%);
      transform: translateY(-2px);
      box-shadow: none !important;
    }
    .quick-banner-icon {
      font-size: 1.6rem;
      flex-shrink: 0;
      color: #ffffff;
      transition: var(--transition);
    }
    @media (max-width: 480px) {
      .quick-banner-card {
        padding: 10px 12px;
        gap: 8px;
      }
      .quick-banner-icon {
        font-size: 1.3rem;
      }
    }
    .quick-banner-card:hover .quick-banner-icon {
      transform: scale(1.1);
    }
    .quick-banner-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
      min-width: 0;
    }
    .quick-banner-sub {
      font-size: 0.65rem;
      letter-spacing: 0.5px;
      margin-bottom: 2px;
      color: #fde047; /* Gold yellow for high contrast & official look */
      font-weight: 600;
      text-transform: none;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .quick-banner-main {
      font-size: 0.88rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: 0.2px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    @media (max-width: 480px) {
      .quick-banner-sub {
        font-size: 0.6rem;
      }
      .quick-banner-main {
        font-size: 0.78rem;
      }
    }

    .home-section-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 24px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
      margin-top: 30px;
    }
    .home-section-title {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-dark);
      padding-left: 12px;
      border-left: 4px solid var(--primary-red);
      line-height: 1.25;
      font-family: var(--font-title);
    }
    .home-section-title-no-border {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--text-dark);
      padding-left: 0;
      border-left: none;
      line-height: 1.25;
      font-family: var(--font-title);
    }
    .home-section-link {
      font-family: var(--font-title);
      font-size: 0.85rem;
      font-weight: 700;
      color: var(--primary-red);
      display: flex;
      align-items: center;
      gap: 6px;
      transition: var(--transition);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .home-section-link:hover {
      color: var(--primary-red-hover);
      transform: translateX(4px);
    }

    .news-grid-3 {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 24px;
      margin-bottom: 25px;
    }
    @media (max-width: 992px) {
      .news-grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }
    }
    @media (max-width: 768px) {
      .news-grid-3 {
        grid-template-columns: minmax(0, 1fr);
      }
    }

    /* SLIDER TRACK OVERHAUL */
    .slider-section-container {
      position: relative;
      display: flex;
      align-items: center;
      width: 100%;
    }
    .slider-track-wrapper {
      overflow-x: auto;
      scroll-behavior: smooth;
      display: flex;
      gap: 20px;
      padding: 12px 4px;
      width: 100%;
      scrollbar-width: none; /* Firefox */
    }
    .slider-track-wrapper::-webkit-scrollbar {
      display: none; /* Chrome, Safari, Opera */
    }
    .slider-card-item {
      flex: 0 0 calc(20% - 16px); /* 5 cards on desktop */
      min-width: 215px;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      position: relative;
      display: flex;
      flex-direction: column;
      height: 280px;
    }
    @media (max-width: 1200px) {
      .slider-card-item {
        flex: 0 0 calc(25% - 15px);
      }
    }
    @media (max-width: 992px) {
      .slider-card-item {
        flex: 0 0 calc(33.333% - 14px);
      }
    }
    @media (max-width: 768px) {
      .slider-card-item {
        flex: 0 0 calc(50% - 10px);
      }
    }
    @media (max-width: 480px) {
      .slider-card-item {
        flex: 0 0 100%;
      }
    }
    .slider-card-item:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-red);
    }
    .slider-card-img-wrap {
      height: 135px;
      position: relative;
      overflow: hidden;
    }
    .slider-card-img {
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      transition: var(--transition);
    }
    .slider-card-item:hover .slider-card-img {
      transform: scale(1.04);
    }
    .slider-card-badge {
      position: absolute;
      top: 10px;
      left: 10px;
      width: 26px;
      height: 26px;
      border-radius: 50%;
      color: #ffffff;
      font-family: var(--font-title);
      font-weight: 900;
      font-size: 0.85rem;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 2px 6px rgba(0,0,0,0.25);
      z-index: 5;
    }
    .badge-rank-1 { background: var(--primary-red); }
    .badge-rank-2 { background: var(--primary-red); }
    .badge-rank-3 { background: var(--primary-red); }
    .badge-rank-4 { background: var(--text-muted); }
    .badge-rank-5 { background: var(--text-muted); }

    .news-card-pill-red {
      position: absolute;
      top: 10px;
      left: 10px;
      background: var(--primary-red);
      color: #ffffff;
      font-size: 0.7rem;
      font-weight: 800;
      text-transform: uppercase;
      padding: 4px 10px;
      border-radius: 20px;
      box-shadow: none !important;
      z-index: 5;
      letter-spacing: 0.2px;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .slider-card-pill {
      position: absolute;
      top: 10px;
      left: 10px;
      background: #64748b;
      color: #ffffff;
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: none;
      padding: 4px 10px;
      border-radius: 20px;
      box-shadow: 0 2px 4px rgba(0,0,0,0.15);
      z-index: 5;
      letter-spacing: 0.2px;
    }
    .slider-card-content {
      padding: 12px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .slider-card-title {
      font-size: 0.92rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--text-dark);
      display: -webkit-box;
      -webkit-line-clamp: 3;
      line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin-bottom: 8px;
      font-family: var(--font-family);
    }
    .slider-card-title a {
      color: var(--text-dark);
      transition: var(--transition);
    }
    .slider-card-title a:hover {
      color: var(--primary-red);
    }
    .slider-card-meta {
      font-size: 0.78rem;
      color: var(--text-muted);
      font-weight: 500;
      display: flex;
      align-items: center;
      gap: 6px;
      margin-top: auto;
    }

    .slider-btn {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      color: var(--text-dark);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
      z-index: 10;
      transition: var(--transition);
    }
    .slider-btn:hover {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }
    .slider-btn-prev { left: -16px; }
    .slider-btn-next { right: -16px; }

    /* SIDEBAR STYLING */
    .sidebar {
      display: none;
      flex-direction: column;
      gap: 32px;
    }

    .sidebar-widget {
      background: var(--bg-white);
      border-radius: 20px;
      padding: 24px;
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.03);
      border: 1px solid var(--border-color);
      position: relative;
      overflow: hidden;
      transition: var(--transition);
    }

    .sidebar-widget:hover {
      box-shadow: 0 8px 30px rgba(15, 23, 42, 0.06);
      transform: translateY(-2px);
    }

    /* SIDEBAR RELATED ARTICLES CARDS */
    .sidebar-related-container {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .sidebar-related-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .sidebar-related-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-2px);
    }

    .sidebar-related-img-wrap {
      height: 150px;
      overflow: hidden;
      position: relative;
    }

    .sidebar-related-img {
      height: 100%;
      background-size: cover;
      background-position: center;
      transition: var(--transition);
    }

    .sidebar-related-card:hover .sidebar-related-img {
      transform: scale(1.04);
    }

    .sidebar-related-content {
      padding: 14px;
    }

    .sidebar-related-title {
      font-size: 0.95rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--text-dark);
      display: -webkit-box;
      -webkit-line-clamp: 3;
      line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      font-family: var(--font-title);
    }

    .sidebar-related-title a:hover {
      color: var(--primary-red);
    }

    .widget-title {
      font-size: 1.15rem;
      font-weight: 800;
      text-transform: uppercase;
      margin-bottom: 20px;
      padding-bottom: 12px;
      color: var(--text-dark);
      display: flex;
      align-items: center;
      gap: 10px;
      position: relative;
      border-bottom: 1px solid var(--border-color);
    }

    .widget-title::after {
      content: '';
      position: absolute;
      bottom: -1px;
      left: 0;
      width: 50px;
      height: 3px;
      background: var(--primary-red);
      border-radius: 3px;
    }

    .popular-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      list-style: none;
    }

    .popular-item {
      display: flex;
      gap: 14px;
      align-items: center;
      padding-bottom: 14px;
      border-bottom: 1px solid #f1f5f9;
      position: relative;
    }

    .popular-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .popular-img-wrap {
      position: relative;
      flex-shrink: 0;
    }

    .popular-img {
      width: 70px;
      height: 70px;
      background-size: cover;
      background-position: center;
      border-radius: 10px;
      flex-shrink: 0;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }

    .popular-item:hover .popular-img {
      transform: scale(1.05);
    }

    .popular-rank {
      position: absolute;
      top: -6px;
      left: -6px;
      width: 22px;
      height: 22px;
      border-radius: 50%;
      background: var(--text-muted);
      color: #ffffff;
      font-size: 0.72rem;
      font-weight: 800;
      display: flex;
      align-items: center;
      justify-content: center;
      border: 2px solid #ffffff;
      box-shadow: 0 2px 6px rgba(0,0,0,0.15);
      font-family: var(--font-title);
    }
    
    .popular-rank.rank-1 { background: #d4af37; }
    .popular-rank.rank-2 { background: #c0c0c0; }
    .popular-rank.rank-3 { background: #cd7f32; }
    .popular-rank.rank-4, .popular-rank.rank-5 { background: var(--text-muted); }

    .popular-content-wrap {
      flex-grow: 1;
    }

    .popular-title {
      font-size: 0.85rem;
      font-weight: 700;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      color: var(--text-dark);
      transition: var(--transition);
    }

    .popular-title:hover {
      color: var(--primary-red);
    }

    .popular-views {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 4px;
      font-weight: 600;
    }

    /* ==========================================
       PREMIUM CONTACT & SOCIAL WIDGET STYLING
       ========================================== */
    .contact-org-box {
      background: linear-gradient(135deg, #fff5f5 0%, #fffdf6 100%);
      border: 1px solid #fee2e2;
      border-left: 4px solid var(--primary-red);
      border-radius: 12px;
      padding: 14px 16px;
      margin-bottom: 20px;
      display: flex;
      gap: 12px;
      align-items: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .contact-org-box:hover {
      box-shadow: none !important;
      border-color: rgba(211, 0, 0, 0.18);
    }

    .contact-org-box .org-icon {
      color: var(--primary-red);
      font-size: 1.4rem;
      flex-shrink: 0;
      animation: pulse 2.5s infinite;
    }

    .contact-org-name {
      font-family: var(--font-title);
      font-size: 0.85rem;
      font-weight: 800;
      color: #1e293b;
      line-height: 1.45;
      text-transform: uppercase;
      letter-spacing: 0.2px;
    }

    .contact-info-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .contact-info-item.card-like {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: 12px;
      padding: 14px 16px;
      display: flex;
      gap: 14px;
      align-items: flex-start;
      box-shadow: 0 2px 4px rgba(15, 23, 42, 0.01);
      transition: var(--transition);
      text-decoration: none;
    }

    .contact-info-item.card-like:hover {
      border-color: rgba(211, 0, 0, 0.2);
      box-shadow: none !important;
      transform: translateY(-2px);
    }

    .contact-info-icon-wrapper {
      background: rgba(211, 0, 0, 0.06);
      color: var(--primary-red);
      width: 36px;
      height: 36px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.05rem;
      flex-shrink: 0;
      transition: var(--transition);
      border: 1px solid rgba(211, 0, 0, 0.03);
    }

    .contact-info-item.card-like:hover .contact-info-icon-wrapper {
      background: var(--primary-red);
      color: #ffffff;
      box-shadow: none !important;
      border-color: var(--primary-red);
    }

    .contact-info-content {
      display: flex;
      flex-direction: column;
      gap: 3px;
      flex-grow: 1;
    }

    .contact-label {
      font-family: var(--font-title);
      font-size: 0.74rem;
      text-transform: uppercase;
      font-weight: 800;
      color: var(--text-muted);
      letter-spacing: 0.6px;
    }

    .contact-value {
      font-size: 0.88rem;
      color: #334155;
      font-weight: 600;
      line-height: 1.45;
      transition: var(--transition);
    }

    .contact-info-item.card-like:hover .contact-value {
      color: var(--primary-red);
    }

    .phone-number-highlight {
      font-family: var(--font-title);
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--primary-red);
    }

    .contact-info-item.card-like:hover .phone-number-highlight {
      color: var(--primary-red-hover);
    }

    .contact-arrow {
      align-self: center;
      color: #cbd5e1;
      font-size: 0.85rem;
      transition: var(--transition);
      margin-left: auto;
      display: flex;
      align-items: center;
    }

    .contact-info-item.card-like:hover .contact-arrow {
      color: var(--primary-red);
      transform: translateX(3px);
    }

    .contact-section-divider {
      display: flex;
      align-items: center;
      text-align: center;
      margin: 24px 0 16px;
    }

    .contact-section-divider::before,
    .contact-section-divider::after {
      content: '';
      flex: 1;
      border-bottom: 1px dashed #e2e8f0;
    }

    .contact-section-divider::before {
      margin-right: 12px;
    }

    .contact-section-divider::after {
      margin-left: 12px;
    }

    .contact-section-divider span {
      font-family: var(--font-title);
      font-size: 0.72rem;
      font-weight: 800;
      text-transform: uppercase;
      color: var(--text-muted);
      letter-spacing: 1px;
      background: var(--bg-light);
      padding: 2px 10px;
      border-radius: 12px;
      border: 1px solid #e2e8f0;
    }

    .contact-members-grid {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .contact-member-card {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: 12px;
      padding: 12px 14px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }

    .contact-member-card:hover {
      border-color: rgba(211, 0, 0, 0.15);
      box-shadow: 0 6px 16px rgba(15, 23, 42, 0.04);
      transform: translateY(-2px);
    }

    .member-meta {
      display: flex;
      gap: 12px;
      align-items: center;
    }

    .member-avatar-mini {
      width: 36px;
      height: 36px;
      background: #f8fafc;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--text-muted);
      font-size: 0.95rem;
      border: 1px solid #e2e8f0;
      transition: var(--transition);
    }

    .contact-member-card:hover .member-avatar-mini {
      background: var(--primary-red-light);
      color: var(--primary-red);
      border-color: rgba(211, 0, 0, 0.15);
    }

    .member-info {
      display: flex;
      flex-direction: column;
      gap: 3px;
    }

    .member-name-text {
      font-size: 0.88rem;
      font-weight: 700;
      color: var(--text-dark);
    }

    .member-role-badge {
      font-family: var(--font-title);
      font-size: 0.65rem;
      font-weight: 800;
      padding: 2px 8px;
      border-radius: 20px;
      width: fit-content;
      text-transform: uppercase;
      letter-spacing: 0.3px;
    }

    .member-role-badge.badge-red {
      background: #fee2e2;
      color: #ef4444;
    }

    .member-role-badge.badge-gold {
      background: #fef3c7;
      color: #d97706;
    }

    .member-role-badge.badge-gray {
      background: #f1f5f9;
      color: #64748b;
    }

    .member-call-btn {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 6px 14px;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 30px;
      font-family: var(--font-title);
      font-size: 0.82rem;
      font-weight: 700;
      color: #475569;
      transition: var(--transition);
      text-decoration: none;
      box-shadow: 0 1px 2px rgba(0,0,0,0.02);
    }

    .phone-num {
      color: #475569;
      transition: var(--transition);
    }

    .contact-member-card:hover .member-call-btn {
      background: var(--primary-red);
      border-color: var(--primary-red);
      color: #ffffff;
      box-shadow: none !important;
    }

    .contact-member-card:hover .member-call-btn .phone-num {
      color: #ffffff;
    }

    .contact-member-card:hover .member-call-btn i {
      animation: phoneRing 0.5s ease-in-out infinite alternate;
    }

    @keyframes phoneRing {
      0% { transform: rotate(-10deg) scale(1); }
      100% { transform: rotate(10deg) scale(1.15); }
    }

    /* Social channels widgets */
    .social-media-channels {
      display: flex;
      justify-content: space-around;
      align-items: center;
      gap: 16px;
      padding: 12px 10px;
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: 14px;
      box-shadow: var(--shadow-sm);
    }

    .social-channel-link {
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.45rem;
      transition: var(--transition);
      box-shadow: 0 2px 4px rgba(0,0,0,0.02);
      text-decoration: none;
    }

    .social-channel-link.facebook {
      color: #1877f2;
    }

    .social-channel-link.tiktok {
      color: #0f172a;
    }

    .social-channel-link.youtube {
      color: #d30000;
    }

    .social-channel-link.facebook:hover {
      background: #1877f2;
      color: #ffffff;
      border-color: #1877f2;
      box-shadow: 0 4px 14px rgba(24, 119, 242, 0.35);
      transform: translateY(-3px);
    }

    .social-channel-link.tiktok:hover {
      background: #000000;
      color: #ffffff;
      border-color: #000000;
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
      transform: translateY(-3px);
    }

    .social-channel-link.youtube:hover {
      background: #d30000;
      color: #ffffff;
      border-color: #d30000;
      box-shadow: none !important;
      transform: translateY(-3px);
    }

    /* FOOTER CONTACT DETAILS STYLING */
    .footer-contact-list {
      list-style: none;
      padding: 0;
      margin: 0 0 20px 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .footer-contact-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 0.88rem;
      line-height: 1.5;
      color: rgba(255, 255, 255, 0.9);
    }

    .footer-contact-list li .contact-icon {
      color: #fff500; /* Yellow contact icons */
      font-size: 1rem;
      margin-top: 3px;
      flex-shrink: 0;
    }

    .footer-contact-list li a.contact-text {
      color: rgba(255, 255, 255, 0.85);
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-contact-list li a.contact-text:hover {
      color: #ffffff;
      text-decoration: underline;
    }

    .footer-sub-contacts {
      background: rgba(0, 0, 0, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.25);
      border-radius: 10px;
      padding: 14px;
    }

    .sub-contact-title {
      font-family: var(--font-title);
      font-size: 0.75rem;
      font-weight: 800;
      text-transform: uppercase;
      color: #ffffff;
      margin-bottom: 12px;
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.2);
      padding-bottom: 6px;
    }

    .sub-contact-title i {
      color: #fff500;
    }

    .footer-members-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-members-list li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 8px;
      font-size: 0.78rem;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
      padding-bottom: 8px;
      white-space: nowrap;
    }

    .footer-members-list li:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .footer-members-list li div {
      display: flex;
      align-items: center;
      gap: 4px;
      white-space: nowrap;
    }

    .footer-logo-wrap {
      margin-bottom: 24px;
      display: block;
    }

    .footer-logo-wrap img {
      max-height: 80px;
      height: auto;
      width: auto;
      object-fit: contain;
      display: block;
    }

    .footer-members-list li .footer-member-role {
      color: rgba(255, 255, 255, 0.75);
      font-weight: 700;
      margin-right: 4px;
    }

    .footer-members-list li .footer-member-name {
      color: #ffffff;
    }

    .footer-members-list li .footer-member-phone {
      color: #fff500;
      font-weight: 700;
      text-decoration: none;
      transition: var(--transition);
    }

    .footer-members-list li .footer-member-phone:hover {
      color: #ffffff;
    }

    .fanpage-mock {
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: white;
      padding: 24px;
      border-radius: 16px;
      text-align: center;
      box-shadow: none !important;
    }

    .fanpage-mock i {
      font-size: 2.5rem;
      margin-bottom: 12px;
    }

    .fanpage-mock-title {
      font-weight: 800;
      font-size: 1.15rem;
      margin-bottom: 4px;
    }

    .fanpage-mock-btn {
      background: white;
      color: var(--primary-red);
      border: none;
      padding: 10px 20px;
      border-radius: 30px;
      font-weight: 800;
      font-size: 0.82rem;
      margin-top: 14px;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 4px 6px rgba(0,0,0,0.1);
      transition: var(--transition);
    }

    .fanpage-mock-btn:hover {
      transform: scale(1.04);
      box-shadow: 0 6px 12px rgba(0,0,0,0.15);
    }

    /* FOOTER */
    footer {
      background: var(--primary-red);
      color: rgba(255, 255, 255, 0.9);
      padding: 60px 0 30px;
      border-top: 4px solid var(--primary-red-dark);
      margin-top: 60px;
    }

    .footer-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
      display: grid;
      grid-template-columns: 2fr 1fr 1.2fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-col h3 {
      color: #ffffff;
      margin-bottom: 24px;
      font-size: 1.15rem;
      text-transform: uppercase;
      border-left: 3px solid #ffffff;
      padding-left: 12px;
    }

    .footer-col p {
      font-size: 0.88rem;
      line-height: 1.7;
      margin-bottom: 16px;
      color: rgba(255, 255, 255, 0.9);
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 12px;
      font-size: 0.88rem;
    }

    .footer-links li a {
      color: rgba(255, 255, 255, 0.85);
    }

    .footer-links li a:hover {
      color: #fff500;
      padding-left: 6px;
    }

    /* ── LƯỢT TRUY CẬP ────────────────────────────────── */
    .footer-visit-counter {
      margin-top: 22px;
      padding: 14px 16px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.15);
      border-radius: 10px;
    }
    .footer-visit-title {
      margin: 0 0 12px;
      font-size: 0.78rem;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: #fff;
      text-transform: uppercase;
      display: flex;
      align-items: center;
      gap: 7px;
    }
    .footer-visit-title i { color: #fde047; }
    .footer-visit-row {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
      font-size: 0.84rem;
    }
    .footer-visit-row:last-child { margin-bottom: 0; }
    .footer-visit-dot {
      width: 9px; height: 9px;
      border-radius: 50%;
      flex-shrink: 0;
    }
    .online-dot {
      background: #4ade80;
      box-shadow: 0 0 0 0 rgba(74,222,128,0.6);
      animation: onlinePulse 2s ease-in-out infinite;
    }
    @keyframes onlinePulse {
      0%   { box-shadow: 0 0 0 0 rgba(74,222,128,0.6); }
      70%  { box-shadow: 0 0 0 6px rgba(74,222,128,0); }
      100% { box-shadow: 0 0 0 0 rgba(74,222,128,0); }
    }
    .total-dot { background: #fde047; }
    .footer-visit-label { color: rgba(255,255,255,0.75); }
    .footer-visit-value {
      margin-left: auto;
      font-weight: 700;
      color: #fff;
      font-size: 0.92rem;
      min-width: 40px;
      text-align: right;
    }
    /* ── END LƯỢT TRUY CẬP ────────────────────────────── */

    .social-links {
      display: flex;
      gap: 12px;
      margin-top: 20px;
    }

    .social-btn {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      border: 1px solid rgba(255, 255, 255, 0.3);
      font-size: 1.1rem;
    }

    .social-btn:hover {
      background: #ffffff;
      color: var(--primary-red);
      transform: translateY(-3px);
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.2);
      padding-top: 24px;
      text-align: center;
      font-size: 0.82rem;
      color: rgba(255, 255, 255, 0.8);
      font-weight: 500;
    }

    .footer-source-note {
      font-size: 0.78rem;
      color: rgba(255, 255, 255, 0.55);
      margin-top: 8px;
      line-height: 1.4;
      text-align: center;
    }

    .footer-source-note strong {
      color: rgba(255, 255, 255, 0.8);
      font-weight: 700;
    }

    /* SKELETON LOADERS */
    .skeleton-loader {
      background: linear-gradient(90deg, #f1f5f9 25%, #e2e8f0 50%, #f1f5f9 75%);
      background-size: 200% 100%;
      animation: loading 1.5s infinite;
      border-radius: 8px;
    }

    @keyframes loading {
      0% { background-position: 200% 0; }
      100% { background-position: -200% 0; }
    }

    @keyframes pulse {
      0% { transform: scale(1); opacity: 1; }
      50% { transform: scale(1.05); opacity: 0.9; }
      100% { transform: scale(1); opacity: 1; }
    }

    /* DOCUMENT FILTER GRID LAYOUT */
    .doc-filter-grid {
      display: grid !important;
      grid-template-columns: repeat(4, 1fr) !important;
      gap: 12px !important;
    }
    @media (max-width: 768px) {
      .doc-filter-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
      }
    }

    /* RESPONSIVE BREAKPOINTS */
    @media(max-width: 992px) {
      .main-content {
        grid-template-columns: 1fr;
      }
      .news-grid {
        grid-template-columns: 1fr;
      }
      .news-featured {
        grid-template-columns: 1fr;
      }
      .news-featured-img-wrap {
        height: 220px;
      }
    }

    @media(max-width: 768px) {
      body {
        padding-top: 56px !important; /* Space for fixed header */
      }

      /* SITE HEADER LOGO COMPACT & WHITE BAR ON MOBILE */
      header.site-header {
        position: fixed !important;
        top: 0;
        left: 0;
        width: 100% !important;
        z-index: 1001; /* Above the navigation dropdown */
        background: #ffffff !important;
        color: var(--text-dark);
        min-height: 56px !important;
        height: 56px !important;
        padding: 0 16px !important;
        border-bottom: 1px solid var(--border-color) !important;
        display: flex !important;
        align-items: center !important;
        box-shadow: var(--shadow-sm);
      }
      .header-container {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        gap: 0 !important;
      }
      .header-mobile-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: var(--primary-red) !important; /* Red icons on white background */
        font-size: 1.35rem;
        cursor: pointer;
        width: 40px;
        height: 40px;
        padding: 0;
        transition: var(--transition);
        text-decoration: none;
      }
      .header-mobile-btn:hover {
        color: var(--primary-red-hover) !important;
      }
      .header-logo-wrap {
        flex: 1;
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
        width: auto !important;
      }
      .site-logo {
        max-height: 38px !important; /* Smaller logo on mobile */
        width: auto !important;
      }

      /* HIDE THE RED NAVIGATION BAR CONTAINER BACKGROUND */
      nav {
        position: fixed !important;
        top: 56px !important; /* Directly below the fixed mobile header */
        left: 0;
        width: 100% !important;
        z-index: 1000;
        background: transparent !important;
        box-shadow: none !important;
        height: 0 !important;
      }
      .nav-container {
        padding: 0 !important;
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
      }
      .nav-mobile-btn, .nav-actions {
        display: none !important; /* Hide old duplicate buttons */
      }

      .nav-menu {
        display: none;
        flex-direction: column;
        width: 100% !important;
        background: var(--primary-red-dark) !important;
        border-top: 1px solid rgba(255, 255, 255, 0.15) !important;
        padding: 8px 0;
        position: absolute;
        top: 0;
        left: 0;
        box-shadow: var(--shadow-md);
        z-index: 1000;
        max-height: 75vh;
        overflow-y: auto;
      }

      .nav-menu.open {
        display: flex !important;
      }

      .nav-menu li {
        width: 100% !important;
        text-align: left !important;
      }
      .nav-menu li a {
        padding: 12px 20px !important;
        border-left: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
        justify-content: flex-start !important;
        text-align: left !important;
        width: 100% !important;
      }

      .nav-menu li:last-child a {
        border-bottom: none;
      }

      .nav-menu li.dropdown {
        position: static;
        width: 100%;
      }
      .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        display: none;
        transform: none;
        box-shadow: none;
        border: none;
        background: rgba(0, 0, 0, 0.22);
        min-width: 100%;
        padding: 0;
        border-radius: 0;
      }
      .nav-menu li.dropdown.open-mobile .dropdown-menu {
        display: block;
      }
      .dropdown-menu li {
        width: 100% !important;
        text-align: left !important;
      }
      .dropdown-menu li a {
        padding: 10px 20px 10px 38px !important;
        font-size: 0.84rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        justify-content: flex-start !important;
        white-space: normal !important;
        text-align: left !important;
        width: 100% !important;
      }
      .dropdown-menu li a:hover {
        padding-left: 42px !important;
      }

      .search-box.active {
        max-width: 160px; /* Slightly narrower on mobile to avoid overlapping */
      }

      /* TICKER/MARQUEE STACK LAYOUT */
      .top-marquee-container {
        flex-direction: column !important;
        align-items: stretch !important;
        padding: 0 !important;
      }

      .top-marquee-date {
        border-left: none !important;
        border-right: none !important;
        border-bottom: 1px solid var(--border-color) !important;
        justify-content: center;
        padding: 6px 12px;
        font-size: 0.8rem;
        width: 100%;
        background: #f8fafc;
      }

      .top-marquee marquee {
        padding: 6px 0;
        margin: 0;
        font-size: 0.8rem;
        width: 100%;
        box-sizing: border-box;
      }

      /* HERO CAROUSEL OPTIMIZATION */
      .hero-carousel-container {
        height: 280px !important;
      }

      .carousel-slide {
        padding: 16px 20px !important;
      }

      .carousel-title {
        font-size: 1.1rem !important;
        line-height: 1.35 !important;
        margin-bottom: 6px !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 3 !important;
        line-clamp: 3 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
        text-overflow: ellipsis;
      }

      .carousel-desc {
        display: none !important; /* Hide description on mobile */
      }

      .carousel-content .category-badge {
        font-size: 0.55rem !important; /* Shrink badge text on mobile to display on 1 line */
        padding: 3px 6px !important;
        white-space: nowrap !important;
        letter-spacing: -0.7px !important;
      }

      .desktop-text {
        display: none !important;
      }
      
      .mobile-text {
        display: inline !important;
      }

      .hero-popular-widget {
        height: 300px; /* Reduce widget height on mobile */
      }

      /* INTRO BLOCK VERTICAL STACK */
      .intro-block {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        padding: 16px !important;
        gap: 16px !important;
      }

      .intro-logo {
        width: 90px !important;
        height: 90px !important;
      }

      .intro-text-content p {
        text-align: justify;
      }

      /* MAIN LAYOUT RESPONSIVE */
      .main-content {
        display: block !important;
        margin: 15px auto !important;
        padding: 0 12px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
      }

      .card-section {
        border-radius: 12px !important;
        padding: 20px 14px !important;
      }

      /* ARTICLE DETAIL VIEW (UNIFORM PRESS STYLE BACKGROUND & COMPACT FONTS) */
      body.article-view-active {
        background-color: #ffffff !important;
      }

      body.article-view-active .main-content {
        background-color: #ffffff !important;
        margin: 0 auto !important;
        padding: 0 !important;
      }

      #articleDetailView {
        background: #ffffff !important;
        margin: 0 !important;
        padding: 15px 12px !important;
        box-shadow: none !important;
        border: none !important;
        border-radius: 0 !important;
      }

      #articleDetailView .article-container {
        background: #ffffff !important;
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        padding: 0 !important;
        margin: 0 !important;
        scroll-margin-top: 100px;
      }

      .article-title {
        font-size: 1.55rem !important; /* A bit larger */
        line-height: 1.35 !important;
        font-weight: 800 !important;
      }

      .article-meta-bar {
        padding-top: 10px !important;
        margin-top: 10px !important;
        gap: 8px !important;
      }

      .article-meta-left {
        align-items: center !important;
      }

      .article-meta-author {
        font-size: 0.72rem !important;
        letter-spacing: 0.04em !important;
      }

      .article-meta-date {
        font-size: 0.72rem !important;
      }

      .article-meta-sep {
        margin: 0 6px !important;
      }

      #articleDetailView .breadcrumb {
        display: none !important;
      }

      .article-controls {
        display: none !important;
      }

      .share-btn.share-print {
        display: inline-flex !important;
        background: #0284c7;
      }

      .share-btn.share-print:hover {
        background: #025a87;
      }

      .article-summary-lead {
        font-size: 1.12rem !important; /* A bit larger */
        line-height: 1.55 !important;
        margin-bottom: 12px !important;
      }

      .article-body {
        font-size: 1.08rem !important; /* A bit larger */
        line-height: 1.65 !important;
      }

      .article-body p {
        margin-bottom: 12px !important;
        font-size: 1.08rem !important; /* A bit larger */
      }

      .article-body img {
        margin: 14px auto 6px !important;
      }

      .article-image-caption {
        margin-top: -3px !important;
        margin-bottom: 14px !important;
      }

      .article-author-wrap {
        margin-top: 24px !important;
        margin-bottom: 12px !important;
      }

      .article-author-sign {
        padding: 4px 10px 4px 6px !important;
      }
      .article-author-sign .author-icon-circle {
        width: 20px !important;
        height: 20px !important;
        margin-right: 6px !important;
        font-size: 0.7rem !important;
      }
      .article-author-sign .author-name-text {
        font-size: 0.72rem !important;
        letter-spacing: 0.3px !important;
      }
      .comment-submit-btn {
        padding: 8px 16px !important;
        font-size: 0.75rem !important;
        border-radius: 20px !important;
      }
      .news-tag-icon {
        font-size: 0.85rem !important;
        margin-right: 6px !important;
      }
      .news-tag-badge {
        font-size: 0.7rem !important;
        padding: 3px 8px !important;
        margin-right: 3px !important;
        margin-bottom: 3px !important;
      }

      /* COMPACT & NON-BULKY SHARE BUTTONS */
      .article-share-section {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        flex-wrap: nowrap !important;
        gap: 8px !important;
        padding: 10px 0 !important;
        margin: 15px 0 !important;
        border-top: 1px dashed var(--border-color) !important;
        border-bottom: 1px dashed var(--border-color) !important;
      }

      .share-title {
        font-size: 0.7rem !important;
        white-space: nowrap !important;
        flex-shrink: 0 !important;
      }

      .share-buttons {
        display: flex !important;
        gap: 6px !important;
        flex-grow: 1 !important;
        justify-content: flex-end !important;
      }

      .share-btn {
        padding: 4px 8px !important;
        font-size: 0.7rem !important;
        border-radius: 6px !important;
        white-space: nowrap !important;
        height: 28px !important;
        display: inline-flex !important;
        align-items: center !important;
        gap: 4px !important;
        width: auto !important;
        flex: none !important;
      }

      .audio-player-label-text {
        display: none;
      }

      /* ORG CHART RESPONSIVE */
      .org-cards-grid-4 {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 12px !important;
      }
      .org-sub-levels-grid {
        grid-template-columns: 1fr !important;
        gap: 20px !important;
      }
      .org-level-1 .member-card, .org-level-2 .member-card, .org-level-3 .member-card { text-align: center; background: transparent; padding: 0 10px 20px 10px; border: none; box-shadow: none; transition: var(--transition); position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; flex: 0 1 260px; min-width: 260px; max-width: 280px; }
      .org-sub-cards {
        display: grid !important;
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
        gap: 10px !important;
        width: 100% !important;
      }

      .org-chart-container .member-name { font-weight: 800; font-size: 1.15rem; color: var(--primary-red); margin-bottom: 12px; font-family: var(--font-title); line-height: 1.3; white-space: nowrap !important; letter-spacing: -0.2px; text-transform: uppercase; }
      .org-chart-container .member-role { font-size: 0.9rem; color: #111; font-weight: 800; text-transform: uppercase; background: transparent; transition: var(--transition); border: none; padding: 0; margin: 0; box-shadow: none; }

      /* CENTERED FOOTER ON MOBILE */
      .footer-container {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .footer-col {
        text-align: center !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
      }

      .footer-col h3 {
        border-left: none !important;
        padding-left: 0 !important;
        text-align: center !important;
      }

      .footer-col p {
        text-align: center !important;
      }

      .footer-logo-wrap {
        display: flex !important;
        justify-content: center !important;
        margin-bottom: 12px !important;
      }

      .social-links {
        justify-content: center !important;
      }

      .footer-links {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        width: 100% !important;
      }

      .footer-links li {
        text-align: center !important;
      }

      .footer-contact-list {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
      }

      .footer-contact-list li {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 4px !important;
      }

      .footer-sub-contacts {
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        width: 100% !important;
      }

      .footer-members-list {
        width: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
      }

      .footer-members-list li {
        flex-direction: column !important;
        align-items: center !important;
        gap: 4px !important;
        width: 100% !important;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.15) !important;
        padding-bottom: 8px !important;
        white-space: normal !important;
      }

      .footer-members-list li:last-child {
        border-bottom: none !important;
        padding-bottom: 0 !important;
      }

      .footer-members-list li div {
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 4px !important;
        white-space: normal !important;
      }
    }

    /* CUSTOM TOAST NOTIFICATION SYSTEM */
    .toast-container {
      position: fixed;
      top: 24px;
      right: 24px;
      z-index: 999999;
      display: flex;
      flex-direction: column;
      gap: 12px;
      max-width: 420px;
      width: calc(100% - 48px);
      pointer-events: none;
    }
    .toast {
      pointer-events: auto;
      display: flex;
      align-items: center;
      gap: 16px;
      background: var(--bg-white);
      color: var(--text-dark);
      padding: 16px 20px;
      border-radius: 12px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08), 0 1px 3px rgba(15, 23, 42, 0.02);
      border-left: 4px solid var(--primary-red);
      font-family: var(--font-family);
      font-size: 0.95rem;
      font-weight: 500;
      line-height: 1.4;
      transform: translateX(120%);
      opacity: 0;
      transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.3s ease;
    }
    .toast.show {
      transform: translateX(0);
      opacity: 1;
    }
    .toast.hide {
      transform: translateX(120%);
      opacity: 0;
      transition: transform 0.3s ease, opacity 0.3s ease;
    }
    .toast-success {
      border-left-color: #10b981;
    }
    .toast-error {
      border-left-color: var(--primary-red);
    }
    .toast-info {
      border-left-color: #3b82f6;
    }
    .toast-icon {
      font-size: 1.25rem;
      flex-shrink: 0;
    }
    .toast-success .toast-icon {
      color: #10b981;
    }
    .toast-error .toast-icon {
      color: var(--primary-red);
    }
    .toast-info .toast-icon {
      color: #3b82f6;
    }
    .toast-close {
      margin-left: auto;
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      padding: 4px;
      font-size: 1rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }
    .toast-close:hover {
      color: var(--text-dark);
    }

    .print-only-header, .print-only-footer {
      display: none;
    }

    /* Print styling rules */
    @media print {
      header.site-header,
      .site-header {
        display: block !important;
        position: static !important;
        top: auto !important;
        left: auto !important;
        width: 100% !important;
        height: auto !important;
        min-height: auto !important;
        background: transparent !important;
        box-shadow: none !important;
        border-bottom: 2px dashed #b80000 !important;
        padding: 10px 0 15px 0 !important;
        margin-bottom: 20px !important;
        z-index: auto !important;
      }
      .site-header .header-container,
      .header-container {
        display: flex !important;
        flex-direction: row !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 auto !important;
        padding: 0 !important;
      }
      .site-header .header-logo-wrap,
      .header-logo-wrap {
        display: flex !important;
        justify-content: center !important;
        align-items: center !important;
        width: 100% !important;
        margin: 0 auto !important;
        text-align: center !important;
      }
      .site-header .site-logo,
      .site-logo {
        display: block !important;
        margin: 0 auto !important;
        max-height: 75px !important;
        width: auto !important;
        object-fit: contain !important;
      }
      .header-mobile-btn,
      .header-mobile-btn.menu-btn,
      .header-mobile-btn.admin-btn,
      .menu-btn,
      .admin-btn,
      .nav-mobile-btn,
      footer, aside, .header, .footer, .sidebar, .sidebar-wrapper, .top-marquee,
      .article-controls, .article-share-section, .comments-section, .breadcrumb, .detail-breadcrumb,
      #detailBreadcrumbs, .nav-container, .related-news-section, .popular-sidebar, #widgetRelated,
      #backToTop, .btn, button, .popular-slider, .popular-news-widget, .related-articles,
      .chat-floating-btn, #chatAssistantWidget {
        display: none !important;
      }
      body, html {
        background: #fff !important;
        color: #000 !important;
        font-size: 12pt !important;
        margin: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
      }
      .main-grid, .article-detail-wrap, .news-detail-container, main, #articleDetailView {
        display: block !important;
        width: 100% !important;
        max-width: 100% !important;
        margin: 0 !important;
        padding: 0 !important;
        border: none !important;
        box-shadow: none !important;
        background: transparent !important;
      }
      .article-title {
        font-size: 20pt !important;
        color: #000 !important;
        margin-bottom: 10pt !important;
        line-height: 1.3 !important;
      }
      .article-summary-lead {
        font-size: 11pt !important;
        color: #000 !important;
        border-left: none !important;
        padding-left: 0 !important;
      }
      .article-body {
        font-size: 11pt !important;
        color: #000 !important;
        line-height: 1.6 !important;
      }
      .article-body img {
        max-width: 80% !important;
        margin: 15pt auto !important;
        page-break-inside: avoid !important;
      }
      .print-only-header, .print-only-header * {
        display: none !important;
      }
      .print-only-footer {
        display: block !important;
        margin-top: 35px;
        border-top: 1px dashed #555;
        padding-top: 15px;
        font-size: 9pt !important;
        color: #444 !important;
        line-height: 1.5 !important;
      }
      .print-only-footer p {
        margin-bottom: 5px !important;
      }
    }

    /* Audio Player CSS removed */

    /* Weekly Calendar Styles */
    .calendar-week-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
      color: #ffffff;
      padding: 16px 20px;
      border-radius: 16px 16px 0 0;
      box-shadow: var(--shadow-sm);
    }
    .calendar-week-title {
      text-align: center;
    }
    .calendar-week-title h3 {
      font-size: 1.25rem;
      font-weight: 800;
      text-transform: uppercase;
      margin-bottom: 2px;
      color: #ffffff !important;
      letter-spacing: 0.5px;
    }
    .calendar-week-range {
      font-size: 0.88rem;
      font-weight: 600;
      color: #fef08a; /* Gold text */
    }
    .calendar-nav-btn {
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      color: #ffffff;
      padding: 8px 18px;
      border-radius: 30px;
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 0.85rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }
    .calendar-nav-btn:hover {
      background: #ffffff;
      color: var(--primary-red-dark);
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      border-color: #ffffff;
    }
    .calendar-nav-btn:active {
      transform: translateY(-1px);
    }
    .calendar-table-wrapper {
      overflow-x: auto;
      border: 1px solid var(--border-color);
      border-top: none;
      border-radius: 0 0 16px 16px;
      background: #ffffff;
      box-shadow: var(--shadow-sm);
    }
    .calendar-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .calendar-table th {
      background: #fafbfd;
      color: var(--primary-red-dark);
      padding: 14px 16px;
      font-size: 0.88rem;
      text-transform: uppercase;
      font-weight: 800;
      text-align: center;
      border-bottom: 2px solid var(--primary-red);
      letter-spacing: 0.5px;
    }
    .calendar-table td {
      padding: 14px 16px;
      border-bottom: 1px solid var(--border-color);
      vertical-align: top;
    }
    .calendar-table tr {
      transition: background-color 0.2s ease;
    }
    .calendar-table tr:hover {
      background-color: #fafbfd;
    }
    .calendar-table tr:last-child td {
      border-bottom: none;
    }
    .calendar-day-col {
      font-weight: 800;
      color: var(--text-dark);
      font-family: var(--font-title);
      font-size: 0.9rem;
      width: 18%;
      background: #fafbfd;
      border-right: 1px solid var(--border-color);
      text-align: center;
      vertical-align: middle;
    }
    .calendar-day-name {
      text-transform: uppercase;
      font-size: 0.9rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      margin-bottom: 4px;
      letter-spacing: 0.5px;
    }
    .calendar-day-date {
      color: #64748b;
      font-size: 0.8rem;
      font-weight: 600;
    }
    .calendar-cell-content {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .calendar-event-item {
      padding: 12px 14px;
      border-radius: 10px;
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-left: 4px solid var(--primary-red);
      font-size: 0.85rem;
      color: var(--text-dark);
      box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
      position: relative;
      transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    }
    .calendar-event-item:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.04), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
      border-color: rgba(203, 213, 225, 0.8);
    }
    .calendar-event-item.urgent {
      background: #fff5f5;
      border-left-color: #dc2626;
      border-color: rgba(254, 226, 226, 0.8);
    }
    .calendar-event-item.urgent:hover {
      border-color: rgba(252, 165, 165, 0.8);
    }
    .calendar-event-time {
      font-weight: 700;
      color: var(--primary-red);
      margin-bottom: 6px;
      font-size: 0.8rem;
      display: inline-flex;
      align-items: center;
      gap: 4px;
      background: rgba(220, 38, 38, 0.05);
      padding: 2px 8px;
      border-radius: 4px;
    }
    .calendar-event-time.urgent {
      color: #dc2626;
      background: rgba(220, 38, 38, 0.08);
    }
    .calendar-event-badge {
      display: inline-block;
      font-size: 0.65rem;
      padding: 1px 5px;
      border-radius: 4px;
      font-weight: 800;
      margin-left: 6px;
      text-transform: uppercase;
    }
    .calendar-event-badge.urgent {
      background: #fee2e2;
      color: #ef4444;
    }
    .calendar-event-desc {
      font-weight: 700;
      font-size: 0.92rem;
      margin-bottom: 8px;
      line-height: 1.45;
      color: var(--text-dark);
      letter-spacing: -0.1px;
    }
    .calendar-event-meta {
      font-size: 0.8rem;
      color: #64748b;
      display: flex;
      flex-direction: column;
      gap: 5px;
    }
    .calendar-event-meta span {
      display: block;
      position: relative;
      padding-left: 20px;
      line-height: 1.45;
    }
    .calendar-event-meta span i {
      position: absolute;
      left: 0;
      top: 3px;
      color: #94a3b8;
      width: 14px;
      text-align: center;
    }
    .calendar-cell-empty {
      color: #94a3b8;
      font-style: italic;
      font-size: 0.8rem;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100%;
      min-height: 80px;
      padding: 12px 0;
      background: #fafbfd;
      border-radius: 8px;
    }
    .calendar-other-box {
      margin-top: 24px;
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 16px;
      padding: 16px 20px;
      box-shadow: var(--shadow-sm);
    }
    .calendar-other-title {
      font-size: 1rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      text-transform: uppercase;
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 6px;
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 6px;
      font-family: var(--font-title);
    }
    .calendar-other-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 12px;
    }

    /* Member Detail Modal (Glassmorphism & Gold Red Theme) */
    .member-modal {
      display: none;
      position: fixed;
      z-index: 100000;
      left: 0;
      top: 0;
      width: 100%;
      height: 100%;
      overflow: auto;
      background-color: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(8px);
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease;
    }
    .member-modal.active {
      display: flex;
      opacity: 1;
    }
    .member-modal-content {
      background: #ffffff;
      margin: auto;
      width: 90%;
      max-width: 480px;
      border-radius: 20px;
      overflow: hidden;
      box-shadow: var(--shadow-lg), 0 20px 40px rgba(0, 0, 0, 0.15);
      border: 1px solid var(--border-color);
      border-top: 6px solid var(--primary-red);
      transform: scale(0.9);
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
      position: relative;
    }
    .member-modal.active .member-modal-content {
      transform: scale(1);
    }
    .member-modal-header {
      background: linear-gradient(135deg, #fbfbfb 0%, #f1f5f9 100%);
      padding: 24px 20px 20px;
      text-align: center;
      border-bottom: 1px solid var(--border-color);
      position: relative;
    }
    .member-modal-close {
      position: absolute;
      top: 12px;
      right: 16px;
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      line-height: 1;
    }
    .member-modal-close:hover {
      color: var(--primary-red);
    }
    .member-modal-avatar-container {
      width: 90px;
      height: 90px;
      margin: 0 auto 12px;
      border-radius: 50%;
      overflow: hidden;
      border: 3px solid var(--primary-red);
      box-shadow: none !important;
      background: #ffffff;
    }
    .member-modal-avatar {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .member-modal-title {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      margin-bottom: 2px;
      text-transform: uppercase;
      font-family: var(--font-title);
    }
    .member-modal-role {
      font-size: 0.82rem;
      color: var(--text-muted);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      font-family: var(--font-title);
    }
    .member-modal-body {
      padding: 20px 24px;
    }
    .member-detail-table {
      width: 100%;
      border-collapse: collapse;
    }
    .member-detail-table tr {
      border-bottom: 1px dashed var(--border-color);
    }
    .member-detail-table tr:last-child {
      border-bottom: none;
    }
    .member-detail-table td {
      padding: 10px 4px;
      font-size: 0.88rem;
    }
    .member-detail-label {
      font-weight: 600;
      color: var(--text-muted);
      width: 35%;
    }
    .member-detail-value {
      font-weight: 700;
      color: var(--text-dark);
      width: 65%;
    }

    /* Lightbox Modal */
    .lightbox-modal {
      display: none;
      position: fixed;
      z-index: 999999;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      width: 100vw;
      height: 100vh;
      overflow: hidden;
      background-color: rgba(0, 0, 0, 0.94);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      align-items: center;
      justify-content: center;
      flex-direction: column;
      padding: 65px 20px 30px;
      box-sizing: border-box;
      transition: opacity 0.3s ease;
    }
    .lightbox-modal.active {
      display: flex !important;
    }
    .lightbox-content {
      margin: auto;
      display: block;
      max-width: 92vw;
      max-height: calc(100vh - 120px);
      object-fit: contain;
      border-radius: 10px;
      box-shadow: 0 12px 40px rgba(0,0,0,0.7);
      transform: scale(0.95);
      transition: transform 0.3s ease;
      position: relative;
      z-index: 1;
    }
    .lightbox-modal.active .lightbox-content {
      transform: scale(1);
    }
    .lightbox-caption {
      margin: 12px auto 0;
      display: block;
      width: 90%;
      max-width: 700px;
      text-align: center;
      color: rgba(255, 255, 255, 0.88);
      padding: 6px 0 0;
      font-size: 0.88rem;
      font-family: var(--font-title, sans-serif);
      font-style: italic;
      z-index: 1;
    }
    .lightbox-close {
      position: fixed !important;
      top: 16px !important;
      right: 16px !important;
      z-index: 1000000 !important;
      color: #ffffff !important;
      font-size: 24px !important;
      font-weight: 300 !important;
      transition: all 0.2s ease !important;
      cursor: pointer !important;
      width: 44px !important;
      height: 44px !important;
      background: rgba(30, 30, 30, 0.85) !important;
      border: 1px solid rgba(255, 255, 255, 0.3) !important;
      border-radius: 50% !important;
      display: flex !important;
      align-items: center !important;
      justify-content: center !important;
      line-height: 1 !important;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5) !important;
    }
    .lightbox-close:hover {
      background: var(--primary-red, #d30000) !important;
      border-color: var(--primary-red, #d30000) !important;
      color: #ffffff !important;
      transform: scale(1.08);
    }

    /* --- HỆ THỐNG VĂN BẢN - TÀI LIỆU --- */
    .table-responsive {
      width: 100%;
      overflow-x: auto;
      -webkit-overflow-scrolling: touch;
    }
    .table {
      width: 100%;
      max-width: 100%;
      background-color: transparent;
      border-collapse: collapse;
    }
    .table th,
    .table td {
      padding: 8px 12px;
      vertical-align: middle;
      border-bottom: 1px solid #e2e8f0;
    }
    .table tbody tr {
      transition: background-color 0.2s ease;
    }
    .table tbody tr:hover {
      background-color: rgba(211, 0, 0, 0.02);
    }
    .doc-file-btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 6px 12px;
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: #fff !important;
      border-radius: 6px;
      font-size: 0.85rem;
      font-weight: 600;
      text-decoration: none !important;
      box-shadow: none !important;
      transition: all 0.3s ease;
    }
    .doc-file-btn:hover {
      transform: translateY(-2px);
      box-shadow: none !important;
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, #a00000 100%);
    }
    .doc-file-btn.no-file {
      background: #94a3b8;
      box-shadow: none;
      cursor: not-allowed;
    }
    .doc-file-btn.no-file:hover {
      transform: none;
      background: #94a3b8;
      box-shadow: none;
    }

    /* Responsive cho table di động */
    @media (max-width: 768px) {
      .table thead {
        display: none;
      }
      .table tbody tr {
        display: block;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        margin-bottom: 15px;
        padding: 10px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.02);
        background: #fff;
      }
      .table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-bottom: 1px solid #f1f5f9;
        padding: 8px 5px;
        font-size: 0.9rem;
        text-align: right;
      }
      .table td:last-child {
        border-bottom: none;
      }
      .table td::before {
        content: attr(data-label);
        font-weight: 700;
        color: #475569;
        text-align: left;
        margin-right: 15px;
      }
      .table td.trich-yeu-td {
        display: block;
        text-align: left;
      }
      .table td.trich-yeu-td::before {
        display: block;
        margin-bottom: 5px;
      }
    }

    /* --- SUB-TABS & TRANG CON GIỚI THIỆU --- */
    .about-tabs-container {
      display: flex;
      justify-content: flex-start;
      gap: 15px;
      margin-bottom: 25px;
      background: #ffffff;
      padding: 8px 12px;
      border-radius: 12px;
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border-color);
    }
    .about-tab-btn {
      background: none;
      border: none;
      padding: 10px 24px;
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 0.92rem;
      color: #64748b;
      cursor: pointer;
      border-radius: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
      transition: all 0.25s ease;
    }
    .about-tab-btn i {
      font-size: 1.05rem;
      transition: transform 0.2s ease;
    }
    .about-tab-btn:hover {
      color: var(--primary-red);
      background: rgba(220, 38, 38, 0.05);
    }
    .about-tab-btn:hover i {
      transform: scale(1.15);
    }
    .about-tab-btn.active {
      color: #ffffff !important;
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
      box-shadow: 0 4px 10px rgba(185, 28, 28, 0.25);
    }

    /* Animation cho việc chuyển đổi tab */
    .about-tab-content {
      opacity: 0;
      transform: translateY(10px);
      display: none;
    }
    .about-tab-content.active-content {
      display: block !important;
      animation: tabFadeIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    }
    @keyframes tabFadeIn {
      from {
        opacity: 0;
        transform: translateY(10px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    /* CSS Giao diện Báo chí (Press Grid) - Editorial Style */
    .about-press-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 28px;
      margin-top: 15px;
    }
    .press-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: 12px;
      padding: 0;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      position: relative;
      overflow: hidden;
    }
    .press-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 16px 30px rgba(0, 0, 0, 0.08);
      border-color: rgba(211, 0, 0, 0.15);
    }
    .press-card-img-wrap {
      width: 100%;
      height: 200px;
      position: relative;
      overflow: hidden;
      background: #f1f5f9;
      cursor: pointer;
      border-bottom: 2px solid rgba(211, 0, 0, 0.06);
    }
    .press-card-img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .press-card:hover .press-card-img {
      transform: scale(1.06);
    }
    .press-card-overlay {
      position: absolute;
      inset: 0;
      background: rgba(185, 28, 28, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease;
      color: #ffffff;
      font-size: 1.5rem;
    }
    .press-card-img-wrap:hover .press-card-overlay {
      opacity: 1;
    }
    .press-card-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
      box-sizing: border-box;
    }
    .press-card-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 12px;
      gap: 10px;
    }
    .press-source-badge {
      display: inline-block;
      font-size: 0.72rem;
      padding: 3px 10px;
      border-radius: 6px;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 0.3px;
      background: rgba(220, 38, 38, 0.06);
      color: var(--primary-red-dark);
      border: 1px solid rgba(220, 38, 38, 0.12);
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 170px;
    }
    .press-source-badge.secondary {
      background: rgba(15, 23, 42, 0.05);
      color: #334155;
      border: 1px solid rgba(15, 23, 42, 0.1);
    }
    .press-date {
      font-size: 0.75rem;
      color: var(--text-muted);
      font-weight: 600;
      white-space: nowrap;
    }
    .press-title {
      font-size: 1.05rem;
      font-weight: 800;
      line-height: 1.45;
      color: var(--text-dark);
      margin-bottom: 10px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      font-family: var(--font-title);
      transition: color 0.2s ease;
    }
    .press-card:hover .press-title {
      color: var(--primary-red);
    }
    .press-summary {
      font-size: 0.85rem;
      color: #475569;
      line-height: 1.55;
      margin-top: 0;
      margin-bottom: 18px;
      display: -webkit-box;
      -webkit-line-clamp: 3;
      line-clamp: 3;
      -webkit-box-orient: vertical;
      overflow: hidden;
      text-align: justify;
    }
    .press-link-action {
      display: inline-flex;
      align-items: center;
      color: var(--primary-red);
      font-weight: 700;
      font-size: 0.85rem;
      text-decoration: none;
      transition: color 0.2s ease;
      margin-top: auto;
      align-self: flex-start;
      gap: 6px;
    }
    .press-link-action:hover {
      color: var(--primary-red-dark);
    }
    .press-link-action i {
      font-size: 0.85rem;
      transition: transform 0.2s ease;
    }
    .press-card:hover .press-link-action i {
      transform: translateX(4px);
    }

    /* CSS Giao diện Khen thưởng (Awards Grid) - Elegant & Premium Style */
    .about-awards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
      gap: 28px;
      margin-top: 15px;
    }
    .award-card {
      background: #ffffff;
      border: 1px solid rgba(212, 175, 55, 0.15);
      border-radius: 20px;
      padding: 0;
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02), 0 1px 3px rgba(0, 0, 0, 0.01);
      display: flex;
      flex-direction: column;
      height: 100%; /* Căn đều chiều cao card trong hàng grid */
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      position: relative;
      overflow: hidden;
      border-top: 4px solid #d4af37; /* Màu vàng Gold sang trọng tôn vinh thành tích */
    }
    .award-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 20px 35px rgba(212, 175, 55, 0.12), 0 8px 20px rgba(0, 0, 0, 0.03);
      border-color: rgba(212, 175, 55, 0.4);
    }
    .award-badge-medal {
      position: absolute;
      top: 15px;
      left: 15px;
      background: linear-gradient(135deg, #ffd700 0%, #d4af37 50%, #aa7c11 100%);
      color: #ffffff;
      width: 34px;
      height: 34px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
      box-shadow: 0 4px 12px rgba(212, 175, 55, 0.3), inset 0 2px 4px rgba(255,255,255,0.4);
      z-index: 5;
      pointer-events: none;
      border: 2px solid #ffffff;
      transform: rotate(-10deg);
      transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }
    .award-card:hover .award-badge-medal {
      transform: rotate(0deg) scale(1.15);
    }
    .award-card-img-wrap {
      width: 100%;
      height: 220px;
      position: relative;
      overflow: hidden;
      background: radial-gradient(circle, #ffffff 15%, #f1f5f9 100%); /* Nền chuyển màu tỏa tròn nghệ thuật */
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      border-bottom: 1px solid rgba(226, 232, 240, 0.6);
      padding: 16px; /* Spacing thoáng đãng để giấy khen nổi bật */
      box-sizing: border-box;
    }
    .award-card-img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain; /* KHÔNG CẮT ẢNH, giữ trọn vẹn giấy khen không bị mất góc */
      transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.5s ease;
      border-radius: 4px;
      border: 5px solid #ffffff; /* Khung passe-partout viền trắng */
      outline: 1px solid rgba(0, 0, 0, 0.08); /* Viền ngoài mờ của khung tranh */
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06), 0 1px 3px rgba(0, 0, 0, 0.04); /* Đổ bóng tách nền */
      background: #ffffff;
    }
    .award-card-img-wrap:hover .award-card-img {
      transform: scale(1.05) translateY(-2px);
      box-shadow: 0 12px 25px rgba(212, 175, 55, 0.15), 0 4px 8px rgba(0, 0, 0, 0.08);
      outline-color: rgba(212, 175, 55, 0.4);
    }
    .award-card-overlay {
      position: absolute;
      inset: 0;
      background: rgba(0, 0, 0, 0.25);
      backdrop-filter: blur(1px);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.3s ease;
      color: #ffffff;
      font-size: 1.5rem;
    }
    .award-card-img-wrap:hover .award-card-overlay {
      opacity: 1;
    }
    .award-card-content {
      padding: 24px;
      display: flex;
      flex-direction: column;
      gap: 14px;
      flex-grow: 1; /* Để content tự động chiếm toàn bộ không gian trống */
      width: 100%;
      box-sizing: border-box;
    }
    .award-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.45;
      font-family: var(--font-title);
      letter-spacing: -0.1px;
    }
    .award-giver {
      font-size: 0.8rem;
      color: #475569;
      font-weight: 600;
      line-height: 1.4;
      display: flex;
      align-items: flex-start;
      gap: 8px;
      background: rgba(241, 245, 249, 0.6);
      padding: 8px 12px;
      border-radius: 8px;
      border: 1px solid rgba(226, 232, 240, 0.8);
    }
    .award-giver i {
      color: var(--primary-red);
      margin-top: 2px;
      flex-shrink: 0;
    }
    .award-year {
      font-size: 0.8rem;
      color: #a17c18;
      font-weight: 750;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(212, 175, 55, 0.06);
      border: 1px solid rgba(212, 175, 55, 0.25);
      padding: 4px 12px;
      border-radius: 20px;
      align-self: flex-start;
      margin-top: auto; /* Tự động đẩy năm học xuống sát chân thẻ đều tắp tắp */
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
    }
    .award-year i {
      color: #d4af37;
      font-size: 0.85rem;
    }

    @media (max-width: 600px) {
      .about-tabs-container {
        flex-direction: column;
        gap: 6px;
        padding: 6px;
      }
      .about-tab-btn {
        width: 100%;
        justify-content: center;
      }
      .award-card {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .award-year {
        align-self: center;
      }
      .award-action-link {
        align-self: center;
      }
    }

    /* --- TRANG GIỚI THIỆU --- */
    .about-hero-card {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, #7f0000 100%);
      color: #ffffff;
      padding: 30px;
      border-radius: 16px;
      box-shadow: none !important;
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .about-hero-card::before {
      content: "";
      position: absolute;
      top: -50%;
      right: -20%;
      width: 400px;
      height: 400px;
      background: radial-gradient(circle, rgba(255, 245, 0, 0.08) 0%, transparent 70%);
      pointer-events: none;
    }
    .about-hero-container {
      display: grid;
      grid-template-columns: 3fr 1fr;
      gap: 30px;
      align-items: center;
    }
    .about-hero-logo {
      width: 160px;
      height: 160px;
      border-radius: 50%;
      background: #ffffff;
      padding: 8px;
      box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
      transition: transform 0.5s ease;
      margin: 0 auto;
      display: block;
    }
    .about-hero-logo:hover {
      transform: rotate(360deg);
    }
    .about-hero-text h3 {
      font-size: 1.6rem;
      margin-top: 0;
      margin-bottom: 15px;
      color: #fff500;
      font-family: var(--font-title);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      border-bottom: 2px solid rgba(255, 245, 0, 0.3);
      padding-bottom: 8px;
      display: inline-block;
    }
    .about-hero-text p {
      font-size: 1rem;
      line-height: 1.65;
      margin-bottom: 12px;
      text-align: justify;
      color: rgba(255, 255, 255, 0.95);
    }
    .about-hero-text p:last-child {
      margin-bottom: 0;
    }
    .about-highlight-banner {
      background: #ffffff;
      border: 1px solid rgba(211, 0, 0, 0.1);
      border-radius: 12px;
      padding: 20px;
      margin-bottom: 30px;
      box-shadow: 0 4px 20px rgba(0,0,0,0.03);
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
    }
    .about-banner-item {
      padding: 15px;
      border-radius: 8px;
      background: var(--bg-light);
      border-left: 4px solid var(--primary-red);
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .about-banner-item.slogan {
      border-left-color: #fff500;
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: #ffffff;
      text-align: center;
      align-items: center;
    }
    .about-banner-item.slogan h4 {
      color: #fff500 !important;
      font-size: 1.1rem;
      margin-bottom: 8px;
    }
    .about-banner-item h4 {
      font-size: 0.95rem;
      text-transform: uppercase;
      color: var(--primary-red-dark);
      margin-top: 0;
      margin-bottom: 6px;
      font-weight: 700;
    }
    .about-banner-item .val {
      font-size: 1.15rem;
      font-weight: 700;
      font-family: var(--font-title);
    }
    .about-banner-item .desc {
      font-size: 0.9rem;
      line-height: 1.4;
      color: var(--text-dark);
    }
    .about-banner-item.slogan .val {
      font-size: 1.25rem;
      letter-spacing: 0.5px;
    }
    .about-task-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 24px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
      transition: all 0.3s ease;
      display: flex;
      gap: 16px;
    }
    .about-task-card:hover {
      transform: translateY(-4px);
      box-shadow: none !important;
      border-color: rgba(211, 0, 0, 0.15);
    }
    .about-task-icon {
      font-size: 2rem;
      color: var(--primary-red);
      flex-shrink: 0;
      width: 50px;
      height: 50px;
      background: rgba(211, 0, 0, 0.05);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .about-task-content h4 {
      margin-top: 0;
      margin-bottom: 8px;
      font-size: 1.05rem;
      color: var(--text-dark);
      font-weight: 700;
    }
    .about-task-content p {
      font-size: 0.92rem;
      line-height: 1.5;
      color: var(--text-muted);
      margin: 0;
      text-align: justify;
    }
    .about-org-section {
      display: grid;
      grid-template-columns: 1fr 1.2fr;
      gap: 25px;
      margin-bottom: 30px;
    }
    .about-org-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 20px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    }
    .about-org-card h3 {
      font-size: 1.1rem;
      color: var(--primary-red-dark);
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 8px;
      margin-top: 0;
      margin-bottom: 15px;
      text-transform: uppercase;
    }
    .about-covan-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .about-covan-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px;
      background: var(--bg-light);
      border-radius: 8px;
      border: 1px solid var(--border-color);
    }
    .about-covan-avatar {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 0.95rem;
      box-shadow: none !important;
    }
    .about-covan-info {
      font-size: 0.95rem;
      font-weight: 600;
      color: var(--text-dark);
    }
    .about-bdh-info {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .about-bdh-row {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 10px 12px;
      border-bottom: 1px dashed var(--border-color);
    }
    .about-bdh-row:last-child {
      border-bottom: none;
    }
    .about-bdh-label {
      font-size: 0.92rem;
      color: var(--text-muted);
      font-weight: 500;
    }
    .about-bdh-val {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-red-dark);
    }
    .about-bdh-row-condensed .about-bdh-label {
      font-size: 0.72rem !important;
      white-space: nowrap !important;
      flex-shrink: 0 !important;
    }
    .about-bdh-row-condensed .about-bdh-val {
      font-size: 0.74rem !important;
      white-space: nowrap !important;
      text-align: right !important;
      flex-shrink: 0 !important;
    }
    .about-identity-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }
    .about-identity-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 15px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
      transition: all 0.3s ease;
      display: flex;
      flex-direction: column;
      text-align: center;
    }
    .about-identity-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0,0,0,0.05);
      border-color: rgba(211,0,0,0.1);
    }
    .about-identity-img-wrap {
      width: 100%;
      height: 160px;
      border-radius: 8px;
      overflow: hidden;
      margin-bottom: 12px;
      background: var(--bg-light);
      border: 1px solid #f1f5f9;
      display: flex;
      align-items: center;
      justify-content: center;
    }
    .about-identity-img-wrap img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      cursor: zoom-in;
      transition: transform 0.3s ease;
    }
    .about-identity-img-wrap img:hover {
      transform: scale(1.05);
    }
    .about-identity-card h4 {
      margin-top: 0;
      margin-bottom: 6px;
      font-size: 1rem;
      color: var(--primary-red-dark);
      font-weight: 700;
    }
    .about-identity-card p {
      font-size: 0.88rem;
      line-height: 1.45;
      color: var(--text-muted);
      margin: 0;
      text-align: justify;
    }

    /* CSS Kỷ vật & Quà tặng truyền thống */
    .about-souvenir-section {
      background: linear-gradient(135deg, #ffffff 0%, #fcfbf7 100%);
      border: 1.5px solid rgba(212, 175, 55, 0.2);
      border-radius: 20px;
      padding: 28px;
      box-shadow: 0 10px 25px rgba(212, 175, 55, 0.04), 0 1px 3px rgba(0,0,0,0.02);
      display: grid;
      grid-template-columns: 280px 1fr;
      gap: 30px;
      align-items: center;
      margin-bottom: 30px;
      position: relative;
      overflow: hidden;
    }
    .about-souvenir-section::before {
      content: "";
      position: absolute;
      top: -10%;
      left: -5%;
      width: 150px;
      height: 150px;
      background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
      pointer-events: none;
    }
    .souvenir-img-frame {
      width: 100%;
      height: 340px;
      border-radius: 8px;
      background: #fdfdfd;
      border: 8px solid #ffffff;
      outline: 1.5px solid #d4af37;
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: zoom-in;
      transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
      overflow: hidden;
    }
    .souvenir-img-frame:hover {
      transform: scale(1.03) translateY(-3px);
      box-shadow: 0 18px 36px rgba(212, 175, 55, 0.15), 0 4px 10px rgba(0, 0, 0, 0.06);
      outline-color: #ffd700;
    }
    .souvenir-img-frame img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      transition: transform 0.6s ease;
    }
    .souvenir-img-frame:hover img {
      transform: scale(1.05);
    }
    .souvenir-details {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .souvenir-title {
      font-size: 1.3rem;
      font-weight: 850;
      color: var(--primary-red-dark);
      margin: 0;
      font-family: var(--font-title);
      letter-spacing: -0.2px;
    }
    .souvenir-subtitle {
      font-size: 0.88rem;
      color: #64748b;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-top: -4px;
    }
    .souvenir-quote {
      background: rgba(211, 0, 0, 0.03);
      border-left: 4px solid var(--primary-red);
      padding: 16px 22px;
      margin: 10px 0;
      border-radius: 0 16px 16px 0;
      position: relative;
    }
    .souvenir-quote-text {
      font-family: var(--font-title);
      font-style: italic;
      font-size: 1.1rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      line-height: 1.55;
      position: relative;
      z-index: 1;
      display: block;
    }
    .souvenir-quote::before {
      content: "\201C";
      font-family: Georgia, serif;
      font-size: 4rem;
      color: rgba(211, 0, 0, 0.08);
      position: absolute;
      top: -10px;
      left: 10px;
      line-height: 1;
    }
    .souvenir-quote-author {
      font-size: 0.85rem;
      font-weight: 750;
      color: #475569;
      margin-top: 8px;
      display: block;
      text-align: right;
      letter-spacing: 0.5px;
    }
    .souvenir-desc {
      font-size: 0.95rem;
      line-height: 1.65;
      color: #334155;
      margin: 0;
      text-align: justify;
    }
    .souvenir-giver-badge {
      font-size: 0.82rem;
      color: #a17c18;
      font-weight: 750;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(212, 175, 55, 0.06);
      border: 1px solid rgba(212, 175, 55, 0.25);
      padding: 6px 14px;
      border-radius: 20px;
      width: fit-content;
      margin-top: 5px;
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.5);
    }
    .souvenir-giver-badge i {
      color: #d4af37;
      font-size: 0.9rem;
    }

    @media (max-width: 900px) {
      .about-souvenir-section {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px;
      }
      .souvenir-img-frame {
        height: 280px;
        max-width: 280px;
        margin: 0 auto;
      }
    }

    @media (max-width: 768px) {
      .about-hero-container {
        grid-template-columns: 1fr;
        gap: 20px;
        text-align: center;
      }
      .about-hero-logo {
        width: 120px;
        height: 120px;
      }
      .about-hero-text h3 {
        font-size: 1rem !important; /* Thu nhỏ tiêu đề Lịch sử hình thành & Sứ mệnh để vừa 1 dòng */
        white-space: normal !important; /* Cho phép xuống dòng ở màn hình rất nhỏ tránh tràn viền */
        letter-spacing: -0.3px !important;
      }
      .about-hero-text p {
        text-align: justify !important; /* Căn đều nội dung trong ô lịch sử cho đẹp */
      }
      .about-org-section {
        grid-template-columns: 1fr;
        gap: 20px;
      }
    }

    /* COUNTDOWN EVENT WIDGET STYLING */
    #countdownSection {
      border: 1px solid rgba(211, 0, 0, 0.15);
      background: linear-gradient(135deg, #ffffff 0%, #fffbfb 100%);
      position: relative;
    }
    
    .countdown-card {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
      border-radius: 12px;
      padding: 24px;
      color: #ffffff;
      text-align: center;
      box-shadow: none !important;
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }
    
    .countdown-card::before {
      content: '';
      position: absolute;
      top: -50%;
      left: -30%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(255, 245, 0, 0.12) 0%, transparent 60%);
      pointer-events: none;
    }
    
    .countdown-event-title {
      font-family: var(--font-title);
      font-size: 1.25rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 18px;
      color: #fff500;
      text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    }
    
    .countdown-timer-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 15px;
      max-width: 500px;
      margin: 0 auto;
    }
    
    .countdown-timer-box {
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      border-radius: 10px;
      padding: 12px 6px;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      backdrop-filter: blur(4px);
      box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .countdown-val {
      font-family: var(--font-title);
      font-size: 2.2rem;
      font-weight: 900;
      color: #ffffff;
      line-height: 1;
      margin-bottom: 4px;
      text-shadow: 0 2px 6px rgba(0,0,0,0.25);
    }
    
    .countdown-unit {
      font-size: 0.72rem;
      text-transform: uppercase;
      font-weight: 700;
      color: rgba(255, 255, 255, 0.85);
      letter-spacing: 0.5px;
    }
    
    /* SEARCH HUB MODAL STYLING */
    .search-hub-modal {
      position: fixed;
      top: 0;
      left: 0;
      width: 100vw;
      height: 100vh;
      z-index: 2000;
      display: flex;
      justify-content: center;
      align-items: flex-start;
      padding-top: 80px;
      overflow: hidden;
    }
    
    .search-hub-backdrop {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(15, 23, 42, 0.45);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      transition: var(--transition);
    }
    
    .search-hub-container {
      position: relative;
      z-index: 2;
      width: 100%;
      max-width: 900px;
      background: rgba(255, 255, 255, 0.85);
      border: 1px solid rgba(255, 255, 255, 0.4);
      border-radius: 20px;
      box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
      display: flex;
      flex-direction: column;
      max-height: 80vh;
      padding: 24px;
      animation: searchHubScaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
    }
    
    @keyframes searchHubScaleUp {
      from { transform: scale(0.95); opacity: 0; }
      to { transform: scale(1); opacity: 1; }
    }
    
    .search-hub-header {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-bottom: 18px;
    }
    
    .search-hub-input-wrapper {
      position: relative;
      flex-grow: 1;
      display: flex;
      align-items: center;
    }
    
    .search-hub-input-icon {
      position: absolute;
      left: 18px;
      font-size: 1.25rem;
      color: var(--text-muted);
    }
    
    #searchHubInput {
      width: 100%;
      padding: 16px 50px;
      border-radius: 30px;
      border: 1px solid var(--border-color);
      font-size: 1.1rem;
      outline: none;
      background: rgba(255, 255, 255, 0.9);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    
    #searchHubInput:focus {
      border-color: var(--primary-red);
      box-shadow: 0 0 0 4px rgba(211, 0, 0, 0.1);
    }
    
    .search-hub-clear-btn {
      position: absolute;
      right: 18px;
      background: none;
      border: none;
      color: var(--text-muted);
      cursor: pointer;
      font-size: 1.2rem;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
    }
    
    .search-hub-clear-btn:hover {
      color: var(--primary-red);
    }
    
    .search-hub-close-btn {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      width: 46px;
      height: 46px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      cursor: pointer;
      color: var(--text-dark);
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    
    .search-hub-close-btn:hover {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }
    
    .search-hub-filters {
      display: flex;
      gap: 10px;
      margin-bottom: 20px;
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 12px;
    }
    
    .search-hub-tab {
      background: transparent;
      border: none;
      padding: 8px 16px;
      border-radius: 20px;
      font-family: var(--font-title);
      font-weight: 700;
      font-size: 0.85rem;
      color: var(--text-muted);
      cursor: pointer;
      transition: var(--transition);
      text-transform: uppercase;
    }
    
    .search-hub-tab:hover {
      color: var(--primary-red);
      background: rgba(211, 0, 0, 0.04);
    }
    
    .search-hub-tab.active {
      background: var(--primary-red);
      color: #ffffff;
      box-shadow: none !important;
    }
    
    .search-hub-results-wrapper {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
      overflow-y: auto;
      flex-grow: 1;
      padding-right: 4px;
    }
    
    .search-hub-column {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    
    .search-hub-column-title {
      font-size: 0.95rem;
      text-transform: uppercase;
      font-weight: 800;
      color: var(--text-muted);
      border-bottom: 1px solid var(--border-color);
      padding-bottom: 8px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    
    .search-hub-results-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    
    .search-hub-item {
      background: rgba(255, 255, 255, 0.6);
      border: 1px solid var(--border-color);
      border-radius: 12px;
      padding: 14px;
      cursor: pointer;
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }
    
    .search-hub-item:hover {
      background: #ffffff;
      border-color: var(--primary-red);
      transform: translateY(-2px);
      box-shadow: var(--shadow-sm);
    }
    
    .search-hub-item-title {
      font-family: var(--font-title);
      font-size: 0.95rem;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text-dark);
    }
    
    .search-hub-item-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.76rem;
      color: var(--text-muted);
      font-weight: 600;
    }
    
    .search-hub-item-desc {
      font-size: 0.85rem;
      color: #475569;
      line-height: 1.45;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    
    .search-hub-highlight {
      background: rgba(255, 245, 0, 0.35);
      color: #000;
      padding: 0 2px;
      border-radius: 2px;
      font-weight: bold;
    }
    
    .search-hub-empty {
      text-align: center;
      color: var(--text-muted);
      font-size: 0.88rem;
      padding: 30px 10px;
    }
    
    @media (max-width: 768px) {
      .search-hub-modal {
        padding-top: 20px;
      }
      .search-hub-container {
        max-height: 95vh;
        width: 95%;
      }
      .search-hub-results-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
      }
    }

    /* BACK TO TOP BUTTON */
    #backToTopBtn {
      position: fixed;
      bottom: 24px;
      right: 24px;
      width: 46px;
      height: 46px;
      background: var(--primary-red);
      color: #ffffff;
      border: 2px solid rgba(255, 255, 255, 0.2);
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      z-index: 999;
      opacity: 0;
      visibility: hidden;
      transition: all 0.3s ease;
    }

    #backToTopBtn:hover {
      background: var(--primary-red-dark);
      transform: translateY(-3px);
      box-shadow: 0 6px 16px rgba(0,0,0,0.25);
    }

    @media (max-width: 768px) {
      #backToTopBtn {
        bottom: 16px !important;
        right: 16px !important;
        width: 38px !important;
        height: 38px !important;
        font-size: 1rem !important;
      }
    }

    /* FLOATING MINI RADIO PLAYER */
    .mini-radio-player {
      position: fixed;
      bottom: 30px;
      right: 30px;
      background: rgba(255, 255, 255, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border: 1px solid rgba(211, 0, 0, 0.2);
      border-radius: 40px;
      padding: 8px 16px 8px 8px;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.8);
      display: flex;
      align-items: center;
      gap: 12px;
      z-index: 9999;
      width: 300px;
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      transform: translateY(0);
    }

    .mini-radio-player:hover {
      transform: translateY(-3px);
      box-shadow: none !important;
      background: rgba(255, 255, 255, 0.95);
    }

    .mini-player-left {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 1;
      min-width: 0;
      cursor: pointer;
    }

    .mini-player-disk-wrap {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
      flex-shrink: 0;
    }

    .mini-player-disk {
      width: 100%;
      height: 100%;
      object-fit: cover;
      animation: rotateDisk 12s linear infinite;
      animation-play-state: paused;
    }

    @keyframes rotateDisk {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    .mini-player-info {
      flex: 1;
      min-width: 0;
      display: flex;
      flex-direction: column;
    }

    .mini-player-title-scroll {
      font-size: 0.82rem;
      font-weight: 750;
      color: #1e293b;
      overflow: hidden;
      white-space: nowrap;
      position: relative;
      width: 100%;
      height: 20px;
    }

    .mini-player-title-scroll span {
      display: inline-block;
      white-space: nowrap;
      padding-right: 50px;
      animation: marqueeText 12s linear infinite;
    }

    @keyframes marqueeText {
      0% { transform: translate3d(0, 0, 0); }
      100% { transform: translate3d(-100%, 0, 0); }
    }

    .mini-player-right {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .mini-play-btn {
      background: var(--primary-red);
      color: white;
      border: none;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      box-shadow: none !important;
      transition: all 0.2s ease;
    }

    .mini-play-btn:hover {
      background: var(--primary-red-hover);
      transform: scale(1.08);
    }

    .mini-close-btn {
      background: none;
      border: none;
      color: #94a3b8;
      cursor: pointer;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.82rem;
      transition: all 0.2s ease;
    }

    .mini-close-btn:hover {
      color: #64748b;
      background: rgba(0, 0, 0, 0.05);
    }

    @media (max-width: 768px) {
      .mini-radio-player {
        bottom: 75px;
        right: 15px;
        left: 15px;
        width: calc(100% - 30px);
        box-sizing: border-box;
      }
    }

    /* REVOLUTIONARY QUOTES WIDGET - PREMIUM RED & GOLD EDITORIAL CARD */
    .revolutionary-quotes-section {
      margin: 40px 0 30px 0;
      padding: 0 15px;
      width: 100%;
      box-sizing: border-box;
    }

    .quote-card-container {
      background: linear-gradient(135deg, #7f1d1d 0%, #450a0a 100%);
      border: 1px solid rgba(251, 191, 36, 0.25);
      border-left: 5px solid #fbbf24;
      border-radius: 16px;
      padding: 35px 45px;
      box-shadow: 0 12px 35px rgba(127, 29, 29, 0.2);
      text-align: center;
      position: relative;
      overflow: hidden;
      transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .quote-card-container:hover {
      transform: translateY(-4px);
      box-shadow: 0 18px 45px rgba(127, 29, 29, 0.3);
      border-color: rgba(251, 191, 36, 0.4);
    }

    /* Decorative large quote marks in the background */
    .quote-card-container::before {
      content: "“";
      position: absolute;
      top: -20px;
      left: 20px;
      font-size: 160px;
      font-family: Georgia, serif;
      color: #fbbf24;
      opacity: 0.06;
      line-height: 1;
      pointer-events: none;
    }

    .quote-card-container::after {
      content: "”";
      position: absolute;
      bottom: -80px;
      right: 20px;
      font-size: 160px;
      font-family: Georgia, serif;
      color: #fbbf24;
      opacity: 0.06;
      line-height: 1;
      pointer-events: none;
    }

    .quote-card-header {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 10px;
      font-size: 0.78rem;
      font-weight: 850;
      color: #fbbf24;
      letter-spacing: 2px;
      margin-bottom: 22px;
      border: 1px solid rgba(251, 191, 36, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      background: rgba(251, 191, 36, 0.06);
      text-transform: uppercase;
    }

    .quote-header-icon {
      font-size: 0.7rem;
      color: #fbbf24;
    }

    .quote-card-body {
      min-height: 120px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      transition: opacity 0.4s ease, transform 0.4s ease;
    }

    .quote-card-body.fade-out {
      opacity: 0;
      transform: scale(0.98) translateY(-5px);
    }

    .quote-card-body.fade-in {
      opacity: 1;
      transform: scale(1) translateY(0);
    }

    .quote-text {
      font-family: "Noto Serif", Georgia, serif;
      font-size: 1.25rem;
      line-height: 1.7;
      color: #f8fafc;
      font-style: italic;
      margin: 0 auto 20px auto;
      max-width: 860px;
      font-weight: 500;
      text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    }

    .quote-author-wrap {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 5px;
    }

    .quote-author {
      font-size: 0.92rem;
      font-weight: 800;
      color: #fbbf24;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .quote-source {
      font-size: 0.78rem;
      color: rgba(248, 250, 252, 0.7);
      font-weight: 500;
    }

    .quote-dots {
      display: flex;
      justify-content: center;
      gap: 8px;
      margin-top: 24px;
    }

    .quote-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.25);
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .quote-dot:hover {
      background: rgba(255, 255, 255, 0.5);
    }

    .quote-dot.active {
      background: #fbbf24;
      width: 22px;
      border-radius: 4px;
    }

    @media (max-width: 768px) {
      .revolutionary-quotes-section {
        margin: 25px 0 15px 0;
      }
      
      .quote-card-container {
        padding: 30px 20px 25px 20px;
        border-left-width: 4px;
      }

      .quote-text {
        font-size: 1.05rem;
        line-height: 1.6;
        margin-bottom: 15px;
      }
      
      .quote-card-body {
        min-height: 160px;
      }

      .quote-card-container::before {
        font-size: 100px;
        top: -10px;
        left: 10px;
      }

      .quote-card-container::after {
        font-size: 100px;
        bottom: -50px;
        right: 10px;
      }
    }

    /* BIỂU NGỮ TÔN CHỈ TRANG GIỚI THIỆU */
    .about-quote-ton-chi-banner {
      background: linear-gradient(to right, #fdfbf7, #f5f2eb, #fdfbf7);
      border: 1px solid rgba(180, 83, 9, 0.2);
      border-radius: 12px;
      padding: 24px 30px;
      margin-bottom: 25px;
      text-align: center;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
      position: relative;
    }

    .about-quote-banner-content {
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 12px;
    }

    .gold-star-emblem {
      color: #fbbf24;
      font-size: 1.1rem;
      filter: drop-shadow(0 1px 2px rgba(180, 83, 9, 0.3));
    }

    .about-quote-banner-text {
      font-family: "Noto Serif", Georgia, serif;
      font-size: 1.22rem;
      line-height: 1.6;
      color: #7f1d1d;
      font-style: italic;
      font-weight: 600;
      margin: 0;
      text-shadow: 0 1px 0px rgba(255, 255, 255, 0.5);
    }

    .about-quote-banner-meta {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 4px;
    }

    .about-quote-banner-meta .author {
      font-size: 0.8rem;
      font-weight: 800;
      color: #b45309;
      letter-spacing: 1.5px;
      text-transform: uppercase;
    }

    .about-quote-banner-meta .source {
      font-size: 0.72rem;
      color: #64748b;
      font-weight: 500;
    }

    @media (max-width: 768px) {
      .about-quote-ton-chi-banner {
        padding: 16px 20px;
        margin-bottom: 18px;
      }
      
      .about-quote-banner-text {
        font-size: 1.05rem;
        line-height: 1.5;
      }
    }

    /* ==========================================================================
       SỔ TAY THUẬT NGỮ LÝ LUẬN - GLOSSARY STYLES
       ========================================================================== */

    /* Hero Banner */
    .glossary-hero {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, #7f0000 40%, var(--primary-red) 100%);
      border-radius: 18px;
      padding: 44px 48px;
      margin-bottom: 28px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .glossary-hero::before {
      content: "";
      position: absolute;
      top: -40px;
      right: -40px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(255,255,255,0.04);
      pointer-events: none;
    }

    .glossary-hero::after {
      content: "";
      position: absolute;
      bottom: -60px;
      right: 80px;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255,255,255,0.035);
      pointer-events: none;
    }

    .glossary-hero-content {
      position: relative;
      z-index: 1;
      flex: 1;
    }

    .glossary-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      color: #fde68a;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 14px;
    }

    .glossary-hero h1 {
      font-size: 2rem;
      font-weight: 900;
      color: #fde68a;
      margin: 0 0 10px 0;
      line-height: 1.2;
      font-family: var(--font-title);
      letter-spacing: -0.5px;
      text-shadow: 0 2px 8px rgba(0,0,0,0.18);
    }

    .glossary-hero-subtitle {
      font-size: 0.92rem;
      color: rgba(255,255,255,0.88);
      margin: 0;
      line-height: 1.6;
      max-width: 520px;
    }

    .glossary-hero-icon {
      font-size: 4.5rem;
      color: rgba(255,255,255,0.12);
      flex-shrink: 0;
      position: relative;
      z-index: 1;
      line-height: 1;
    }

    .glossary-hero-stats {
      display: flex;
      gap: 20px;
      margin-top: 18px;
      flex-wrap: wrap;
    }

    .glossary-stat-pill {
      background: rgba(255,255,255,0.14);
      border: 1px solid rgba(255,255,255,0.2);
      border-radius: 20px;
      padding: 5px 14px;
      font-size: 0.78rem;
      color: rgba(255,255,255,0.95);
      font-weight: 600;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    /* Search & Filter Bar */
    .glossary-search-bar {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 14px;
      padding: 14px 20px;
      margin-bottom: 22px;
      display: flex;
      align-items: center;
      gap: 16px;
      box-shadow: 0 2px 8px rgba(0,0,0,0.04);
      flex-wrap: wrap;
    }

    .glossary-search-input-wrap {
      position: relative;
      flex: 1;
      min-width: 200px;
    }

    .glossary-search-input-wrap i {
      position: absolute;
      left: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: #94a3b8;
      font-size: 0.9rem;
    }

    .glossary-search-input {
      width: 100%;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 16px 10px 40px;
      font-size: 0.9rem;
      color: #1e293b;
      background: #f8fafc;
      outline: none;
      transition: all 0.2s ease;
      box-sizing: border-box;
    }

    .glossary-search-input:focus {
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.07);
    }

    .glossary-filters {
      display: flex;
      gap: 8px;
      flex-wrap: wrap;
    }

    .glossary-filter-btn {
      border: 1px solid #e2e8f0;
      background: #f8fafc;
      color: #475569;
      padding: 7px 16px;
      border-radius: 20px;
      font-size: 0.8rem;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
    }

    .glossary-filter-btn:hover,
    .glossary-filter-btn.active {
      background: var(--primary-red);
      color: #ffffff;
      border-color: var(--primary-red);
    }

    /* Stats row */
    .glossary-result-info {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 16px;
      padding: 0 2px;
      flex-wrap: wrap;
      gap: 10px;
    }

    .glossary-result-count {
      font-size: 0.84rem;
      color: #64748b;
      font-weight: 500;
    }

    .glossary-result-count strong {
      color: var(--primary-red);
      font-weight: 800;
    }

    .glossary-sort-label {
      font-size: 0.8rem;
      color: #64748b;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 6px 14px;
      border: 1px solid #e2e8f0;
      border-radius: 20px;
      background: #f8fafc;
      transition: all 0.2s ease;
      font-weight: 600;
      user-select: none;
    }

    .glossary-sort-label:hover {
      background: var(--primary-red-light);
      color: var(--primary-red);
      border-color: rgba(211, 0, 0, 0.2);
    }

    /* Glossary Grid */
    .glossary-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 16px;
      margin-bottom: 30px;
    }

    .glossary-card {
      background: #ffffff;
      border: 1px solid #e8edf3;
      border-radius: 14px;
      padding: 22px 20px;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
      cursor: pointer;
    }

    .glossary-card::before {
      content: "\f10d";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      top: 14px;
      right: 16px;
      font-size: 1.8rem;
      color: rgba(211,0,0,0.06);
      line-height: 1;
    }

    .glossary-card::after {
      content: "";
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 3px;
      background: linear-gradient(to right, var(--primary-red), #f59e0b);
      opacity: 0;
      transition: opacity 0.25s ease;
    }

    .glossary-card:hover {
      border-color: rgba(211,0,0,0.2);
      box-shadow: none !important;
      transform: translateY(-3px);
    }

    .glossary-card:hover::after {
      opacity: 1;
    }

    .glossary-card-header {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      margin-bottom: 10px;
    }

    .glossary-card-icon {
      width: 34px;
      height: 34px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      flex-shrink: 0;
      font-weight: 800;
      color: #ffffff;
    }

    .glossary-card-title {
      font-size: 1rem;
      font-weight: 800;
      color: #1e293b;
      margin: 0;
      line-height: 1.3;
      flex: 1;
    }

    .glossary-card-cat {
      font-size: 0.68rem;
      font-weight: 700;
      letter-spacing: 0.6px;
      text-transform: uppercase;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 5px;
    }

    .glossary-card-desc {
      font-size: 0.83rem;
      color: #475569;
      line-height: 1.65;
      flex-grow: 1;
      margin: 0;
    }

    .glossary-card-tag {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-size: 0.68rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      margin-top: 12px;
      align-self: flex-start;
    }

    /* Empty state */
    .glossary-empty {
      text-align: center;
      padding: 60px 24px;
      color: #94a3b8;
    }

    .glossary-empty i {
      font-size: 3rem;
      margin-bottom: 16px;
      opacity: 0.5;
      display: block;
    }

    .glossary-empty p {
      font-size: 1rem;
      font-weight: 600;
    }

    /* Mobile responsive */
    @media (max-width: 900px) {
      .glossary-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .glossary-hero {
        padding: 28px 22px;
        flex-direction: column;
        align-items: flex-start;
      }
      .glossary-hero h1 {
        font-size: 1.45rem;
      }
      .glossary-hero-icon {
        display: none;
      }
      .glossary-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
      .glossary-search-bar {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        width: 100%;
        box-sizing: border-box;
      }
      .glossary-filters {
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 6px;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
      }
      .glossary-filters::-webkit-scrollbar {
        display: none; /* Safari and Chrome */
      }
      .glossary-filter-btn {
        flex-shrink: 0;
      }
    }

    /* ==========================================================================
       KHÔNG GIAN NGHIÊN CỨU KHOA HỌC TRẺ - RESEARCH STYLES
       ========================================================================== */
    .research-hero {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, #7f0000 40%, var(--primary-red) 100%);
      border-radius: 18px;
      padding: 35px 40px;
      margin-bottom: 28px;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }
    .research-hero-content {
      position: relative;
      z-index: 1;
      flex: 1;
    }
    .research-hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255,255,255,0.15);
      border: 1px solid rgba(255,255,255,0.25);
      color: #fde68a;
      font-size: 0.72rem;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      padding: 4px 12px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .research-hero h1 {
      font-size: 1.8rem;
      font-weight: 900;
      color: #ffffff;
      margin: 0 0 10px 0;
      line-height: 1.25;
      font-family: var(--font-title);
    }
    .research-hero-subtitle {
      font-size: 0.92rem;
      color: rgba(255,255,255,0.9);
      margin: 0;
      line-height: 1.6;
      max-width: 750px;
    }
    .research-hero-icon {
      font-size: 4.5rem;
      color: rgba(255,255,255,0.12);
      flex-shrink: 0;
      line-height: 1;
    }

    .research-layout {
      display: grid;
      grid-template-columns: 360px minmax(0, 1fr);
      gap: 24px;
      margin-bottom: 40px;
      align-items: start;
      max-width: 100%;
    }

    .research-left-panel {
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .research-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 24px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.02);
    }

    .research-card-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: #0f172a;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
      border-bottom: 1px solid #f1f5f9;
      padding-bottom: 10px;
    }

    .research-form-group {
      margin-bottom: 18px;
    }
    .research-form-group label {
      display: block;
      font-size: 0.78rem;
      font-weight: 700;
      color: #64748b;
      margin-bottom: 8px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .research-textarea {
      width: 100%;
      height: 120px;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 12px;
      font-size: 0.9rem;
      color: #1e293b;
      background: #f8fafc;
      resize: none;
      outline: none;
      transition: all 0.2s ease;
      font-family: var(--font-family);
    }
    .research-textarea:focus {
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(211,0,0,0.05);
    }

    .research-select {
      width: 100%;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 10px 12px;
      font-size: 0.9rem;
      color: #1e293b;
      background: #f8fafc;
      outline: none;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .research-select:focus {
      border-color: var(--primary-red);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(211,0,0,0.05);
    }

    .research-submit-btn {
      width: 100%;
      background: var(--primary-red);
      color: #ffffff;
      border: none;
      border-radius: 10px;
      padding: 12px 20px;
      font-size: 0.9rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all 0.2s ease;
      box-shadow: none !important;
    }
    .research-submit-btn:hover {
      background: var(--primary-red-hover);
      transform: translateY(-1px);
      box-shadow: none !important;
    }
    .research-submit-btn:active {
      transform: translateY(0);
    }
    .research-submit-btn:disabled {
      background: #94a3b8;
      cursor: not-allowed;
      box-shadow: none;
      transform: none;
    }

    .suggested-topics-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .suggested-topic-item {
      display: flex;
      gap: 12px;
      padding: 12px;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      background: #ffffff;
      cursor: pointer;
      transition: all 0.2s ease;
      text-align: left;
    }
    .suggested-topic-item:hover {
      border-color: rgba(211,0,0,0.2);
      background: #fff8f8;
      transform: translateX(3px);
    }
    .suggested-topic-badge {
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: #f1f5f9;
      color: #475569;
      font-size: 0.8rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      justify-content: center;
      flex-shrink: 0;
    }
    .suggested-topic-item:hover .suggested-topic-badge {
      background: var(--primary-red-light);
      color: var(--primary-red);
    }
    .suggested-topic-content {
      flex: 1;
      min-width: 0;
    }
    .suggested-topic-text {
      font-size: 0.82rem;
      font-weight: 700;
      color: #1e293b;
      line-height: 1.4;
      margin-bottom: 4px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .suggested-topic-cat {
      font-size: 0.7rem;
      color: #64748b;
      font-weight: 500;
    }

    .research-result-card {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.04);
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .research-result-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 16px;
      border-bottom: 1px solid #e2e8f0;
      padding-bottom: 20px;
    }
    .research-result-header-left {
      flex: 1;
      min-width: 0;
    }
    .research-result-badge {
      display: inline-block;
      font-size: 0.72rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      background: var(--primary-red-light);
      padding: 4px 10px;
      border-radius: 4px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 10px;
    }
    .research-result-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.4;
      margin: 0;
      font-family: var(--font-title);
      text-align: justify;
    }
    .research-copy-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 8px 12px;
      background: #ffffff;
      font-size: 0.8rem;
      font-weight: 700;
      color: #475569;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
      margin-top: 4px;
    }
    .research-copy-btn:hover {
      border-color: rgba(211,0,0,0.2);
      color: var(--primary-red);
      background: #fff8f8;
    }

    .result-section {
      display: flex;
      flex-direction: column;
      gap: 12px;
      text-align: left;
    }
    .result-section-title {
      font-size: 0.8rem;
      font-weight: 800;
      color: #475569;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 4px;
    }
    .urgency-content {
      background: #f8fafc;
      border-left: 4px solid var(--primary-red);
      border-radius: 8px;
      padding: 16px 20px;
      font-size: 0.9rem;
      color: #334155;
      line-height: 1.7;
      text-align: justify;
    }

    .methods-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }
    .method-card {
      background: #ffffff;
      border: 1px solid #f1f5f9;
      border-radius: 12px;
      padding: 16px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.01);
      display: flex;
      gap: 10px;
      align-items: flex-start;
      border-left: 3px solid #e2e8f0;
    }
    .method-card::before {
      content: "\f111";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      font-size: 0.5rem;
      color: var(--primary-red);
      margin-top: 6px;
      flex-shrink: 0;
    }
    .method-card-content {
      flex: 1;
      font-size: 0.85rem;
      line-height: 1.5;
      color: #475569;
      text-align: justify;
    }
    .method-card-title {
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 4px;
    }

    .chapters-outline {
      display: flex;
      flex-direction: column;
      gap: 14px;
    }
    .chapter-card {
      border: 1px solid #cbd5e1;
      border-radius: 10px;
      overflow: hidden;
      background: #ffffff;
      box-shadow: 0 4px 10px rgba(0,0,0,0.01);
    }
    .chapter-card-header {
      background: #f1f5f9;
      padding: 12px 16px;
      font-size: 0.88rem;
      font-weight: 800;
      color: #1e293b;
      border-bottom: 1px solid #e2e8f0;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .chapter-card-body {
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .chapter-item {
      font-size: 0.85rem;
      color: #475569;
      font-weight: 500;
      display: flex;
      gap: 8px;
    }
    .chapter-item span:last-child {
      flex: 1;
      text-align: justify;
    }
    .chapter-item-num {
      font-weight: 700;
      color: #0f172a;
      min-width: 24px;
    }

    .references-list {
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .reference-item {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      font-size: 0.82rem;
      color: #334155;
      line-height: 1.5;
    }
    .reference-item span {
      flex: 1;
      text-align: justify;
    }
    .reference-item em {
      font-style: italic;
      font-weight: 700;
      color: #0f172a;
    }
    .reference-item i {
      color: #94a3b8;
      margin-top: 4px;
      font-size: 0.8rem;
    }

    .research-empty-state {
      text-align: center;
      padding: 80px 20px;
      color: #94a3b8;
    }
    .research-empty-state i {
      font-size: 4rem;
      color: #cbd5e1;
      margin-bottom: 20px;
      display: block;
    }
    .research-empty-state h3 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #64748b;
      margin-bottom: 8px;
    }
    .research-empty-state p {
      font-size: 0.9rem;
      max-width: 420px;
      margin: 0 auto;
      line-height: 1.5;
    }

    .research-loading-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(255,255,255,0.85);
      backdrop-filter: blur(2px);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      z-index: 10;
      border-radius: 16px;
    }
    .research-spinner {
      width: 45px;
      height: 45px;
      border: 4px solid rgba(211,0,0,0.1);
      border-left-color: var(--primary-red);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin-bottom: 16px;
    }
    .research-loading-text {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      animation: pulse 1.5s infinite;
    }

    @keyframes spin {
      100% { transform: rotate(360deg); }
    }

    @media (max-width: 900px) {
      .research-layout {
        grid-template-columns: 1fr;
        gap: 20px;
      }
    }
    @media (max-width: 768px) {
      .research-hero {
        padding: 24px 20px;
        flex-direction: column;
        align-items: flex-start;
      }
      .research-hero h1 {
        font-size: 1.4rem;
      }
      .research-hero-icon {
        display: none;
      }
      .research-result-card {
        padding: 20px 16px;
      }
      .methods-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }

    /* ==========================================================================
       BỘ TIỆN ÍCH & CÔNG CỤ BỔ TRỢ HỌC THUẬT CHUYÊN SÂU
       ========================================================================== */
    .research-tabs {
      display: flex;
      border-bottom: 2px solid #e2e8f0;
      margin-bottom: 28px;
      gap: 16px;
      overflow-x: auto;
      flex-wrap: nowrap;
      -webkit-overflow-scrolling: touch;
      max-width: 100%;
      width: 100%;
      box-sizing: border-box;
    }
    .research-tab-btn {
      border: none;
      background: transparent;
      padding: 12px 20px;
      font-size: 0.95rem;
      font-weight: 700;
      color: #64748b;
      cursor: pointer;
      transition: all 0.2s ease;
      border-bottom: 3px solid transparent;
      margin-bottom: -2px;
      display: flex;
      align-items: center;
      gap: 8px;
      font-family: var(--font-title);
      flex-shrink: 0;
      white-space: nowrap;
    }
    .research-tab-btn:hover {
      color: var(--primary-red);
    }
    .research-tab-btn.active {
      color: var(--primary-red-dark);
      border-bottom-color: var(--primary-red);
      font-weight: 800;
    }
    .research-tab-content {
      transition: opacity 0.2s ease;
    }
    

    /* =====================================================
       TAB 2: CÂU HỎI & GIẢ THUYẾT (HYPOTHESIS TAB)
       ===================================================== */
    .research-tab-step {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 20px;
      height: 20px;
      border-radius: 50%;
      background: #e2e8f0;
      color: #64748b;
      font-size: 0.7rem;
      font-weight: 800;
      flex-shrink: 0;
      transition: all 0.2s ease;
    }
    .research-tab-btn.active .research-tab-step {
      background: var(--primary-red);
      color: #fff;
    }
    .hyp-card-desc {
      font-size: 0.8rem;
      color: #64748b;
      margin: -8px 0 16px;
      line-height: 1.5;
    }
    .hyp-submit-btn {
      width: 100%;
      padding: 13px 20px;
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
      color: white;
      border: none;
      border-radius: 10px;
      font-size: 0.95rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      transition: all 0.2s ease;
      box-shadow: none !important;
      font-family: var(--font-title);
      margin-top: 16px;
    }
    .hyp-submit-btn:hover {
      transform: translateY(-2px);
      box-shadow: none !important;
    }
    .hyp-submit-btn:disabled {
      opacity: 0.6;
      transform: none;
      cursor: not-allowed;
    }
    /* Result panel */
    .hyp-result-panel {
      background: #fff;
      border-radius: 14px;
      border: 1px solid #e2e8f0;
      overflow: hidden;
      box-shadow: 0 4px 20px rgba(0,0,0,0.06);
    }
    .hyp-result-header {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 12px;
      padding: 20px 22px 18px;
      border-bottom: 1px solid #f1f5f9;
      background: linear-gradient(135deg, #fff5f5 0%, #fff 60%);
    }
    .hyp-result-badge {
      display: inline-block;
      font-size: 0.68rem;
      font-weight: 800;
      letter-spacing: 0.08em;
      color: var(--primary-red);
      text-transform: uppercase;
      margin-bottom: 6px;
    }
    .hyp-result-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: #1e293b;
      line-height: 1.4;
      margin: 0;
      font-family: var(--font-title);
      text-align: justify;
    }
    /* Sections */
    .hyp-section {
      border-bottom: 1px solid #f1f5f9;
    }
    .hyp-section:last-of-type {
      border-bottom: none;
    }
    .hyp-section-header {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 14px 22px 10px;
      font-size: 0.72rem;
      font-weight: 800;
      letter-spacing: 0.07em;
      text-transform: uppercase;
    }
    .hyp-questions-header {
      color: #b45309;
      background: #fffbeb;
    }
    .hyp-questions-header i { color: #d97706; }
    .hyp-hypotheses-header {
      color: #166534;
      background: #f0fdf4;
    }
    .hyp-hypotheses-header i { color: #16a34a; }
    .hyp-tasks-header {
      color: #7c3aed;
      background: #faf5ff;
    }
    .hyp-tasks-header i { color: #7c3aed; }
    .hyp-items-list {
      padding: 8px 22px 16px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .hyp-item {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 10px;
    }
    .hyp-question-item {
      background: #fffcf0;
      border-left: 3px solid #f59e0b;
    }
    .hyp-hypothesis-item {
      background: #f0fdf8;
      border-left: 3px solid #10b981;
    }
    .hyp-item-badge {
      flex-shrink: 0;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 28px;
      height: 28px;
      border-radius: 8px;
      font-size: 0.7rem;
      font-weight: 900;
      font-family: var(--font-title);
    }
    .hyp-q-badge {
      background: #fef3c7;
      color: #b45309;
    }
    .hyp-h-badge {
      background: #d1fae5;
      color: #065f46;
    }
    .hyp-item-text {
      margin: 0;
      font-size: 0.875rem;
      color: #1e293b;
      line-height: 1.6;
      text-align: justify;
    }
    /* Tasks grid */
    .hyp-tasks-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px;
      padding: 8px 22px 18px;
    }
    @media (max-width: 768px) {
      .hyp-tasks-grid {
        grid-template-columns: 1fr;
      }
    }
    .hyp-task-card {
      background: #faf5ff;
      border: 1px solid #e9d5ff;
      border-radius: 10px;
      padding: 14px;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .hyp-task-icon {
      color: #7c3aed;
      font-size: 1rem;
    }
    .hyp-task-label {
      font-size: 0.72rem;
      font-weight: 800;
      color: #6d28d9;
      text-transform: uppercase;
      letter-spacing: 0.06em;
    }
    .hyp-task-text {
      font-size: 0.82rem;
      color: #374151;
      line-height: 1.6;
      margin: 0;
      text-align: justify;
    }
    /* Save strip */
    .hyp-save-strip {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 14px 22px;
      background: linear-gradient(135deg, #fff5f5 0%, #fef2f2 100%);
      border-top: 1px solid rgba(211,0,0,0.1);
    }
    .hyp-save-info {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      font-size: 0.8rem;
      color: #475569;
    }
    .hyp-save-info i {
      margin-top: 2px;
      flex-shrink: 0;
    }
    .hyp-save-info strong {
      display: block;
      color: #1e293b;
      font-weight: 700;
      margin-bottom: 2px;
    }
    .hyp-save-btn {
      flex-shrink: 0;
      background: var(--primary-red-dark);
      color: white;
      border: none;
      border-radius: 8px;
      padding: 10px 18px;
      font-size: 0.85rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
      white-space: nowrap;
    }
    .hyp-save-btn:hover {
      background: #8b0000;
      transform: translateY(-1px);
    }
    @media (max-width: 576px) {
      .hyp-save-strip {
        flex-direction: column;
        align-items: stretch;
      }
      .hyp-save-btn {
        justify-content: center;
      }
      .hyp-result-header {
        flex-direction: column;
      }
      .research-tab-btn {
        padding: 10px 12px;
        font-size: 0.8rem;
      }
    }

    /* =====================================================
       TAB 3 & 4: BÚT CHIẾN & SƠ ĐỒ TƯ DUY (REBUTTAL & MINDMAP STYLES)
       ===================================================== */
    .rebuttal-box-content {
      word-break: break-word;
    }
    
    .rebuttal-argument-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 8px;
      padding: 12px;
      transition: all 0.2s ease;
      box-shadow: 0 1px 3px rgba(0,0,0,0.02);
    }
    .rebuttal-argument-card:hover {
      border-color: #fca5a5;
      transform: translateY(-1px);
      box-shadow: 0 4px 6px -1px rgba(220, 38, 38, 0.05);
    }

    /* Bento Canvas & Mindmap Grid */
    .bento-canvas {
      user-select: none;
      padding: 16px !important;
      margin-bottom: 16px !important;
    }
    .bento-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 12px !important;
    }
    .bento-col {
      display: flex;
      flex-direction: column;
      gap: 8px !important;
      background: rgba(30, 41, 59, 0.5);
      border: 1px solid #1e293b;
      border-radius: 8px;
      padding: 12px !important;
    }
    
    .bento-node-btn {
      position: relative;
      background: #1e293b;
      border: 1px solid #334155;
      color: #e2e8f0;
      cursor: pointer;
      transition: all 0.2s ease;
      padding: 8px 10px !important;
      border-radius: 6px !important;
      text-align: left;
      font-size: 0.72rem !important;
      font-weight: 500;
      display: flex;
      align-items: center;
      justify-content: space-between;
      width: 100%;
      line-height: 1.4;
      font-family: inherit;
    }
    .bento-node-btn:hover {
      background: #334155;
      border-color: #475569;
      color: #ffffff;
    }
    .bento-node-btn.active {
      background: rgba(220, 38, 38, 0.15) !important;
      border-color: var(--primary-red) !important;
      color: #fca5a5 !important;
      font-weight: 600;
    }

    @keyframes ping {
      0% {
        transform: scale(1);
        opacity: 1;
      }
      75%, 100% {
        transform: scale(2.2);
        opacity: 0;
      }
    }
    .animate-ping {
      animation: ping 1.2s cubic-bezier(0, 0, 0.2, 1) infinite;
    }

    /* Responsiveness for bento grid */
    @media (max-width: 992px) {
      .bento-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
      }
    }
    
    /* Responsive adjustment for research tabs wrapping */
    .research-tabs {
      display: flex;
      flex-wrap: wrap; /* allow wrapping to new lines! */
      gap: 10px 16px;
      margin-bottom: 24px;
      overflow-x: visible; /* no horizontal scroll needed */
      border-bottom: 2px solid #e2e8f0;
      padding-bottom: 8px;
    }
    .research-tab-btn {
      flex-shrink: 0;
      white-space: nowrap;
      font-size: 0.82rem !important; /* make font slightly smaller so they fit better */
      padding: 8px 12px !important; /* slightly smaller padding */
    }

    /* Tải các quy chuẩn thu nhỏ cho các trang mới thêm vào */
    #tabResearchRebuttal, #tabResearchMindmap, #tabResearchCitation, #tabResearchCrisis {
      font-size: 0.8rem;
    }
    #tabResearchRebuttal .research-layout, #tabResearchMindmap .research-layout, #tabResearchCitation .research-layout, #tabResearchCrisis .research-layout {
      grid-template-columns: 360px minmax(0, 1fr);
      gap: 16px;
      max-width: 100%;
      box-sizing: border-box;
    }
    #tabResearchRebuttal input, #tabResearchRebuttal textarea, #tabResearchRebuttal select,
    #tabResearchMindmap input, #tabResearchMindmap textarea, #tabResearchMindmap select,
    #tabResearchCitation input, #tabResearchCitation textarea, #tabResearchCitation select,
    #tabResearchCrisis input, #tabResearchCrisis textarea, #tabResearchCrisis select {
      max-width: 100% !important;
      min-width: 0 !important;
      box-sizing: border-box !important;
    }
    @media (max-width: 900px) {
      #tabResearchRebuttal .research-layout, 
      #tabResearchMindmap .research-layout, 
      #tabResearchCitation .research-layout,
      #tabResearchCrisis .research-layout {
        display: flex !important;
        flex-direction: column !important;
        grid-template-columns: 1fr !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        gap: 16px !important;
      }
      #tabResearchRebuttal .research-left-panel, 
      #tabResearchMindmap .research-left-panel, 
      #tabResearchCitation .research-left-panel,
      #tabResearchCrisis .research-left-panel {
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        box-sizing: border-box !important;
      }
      #tabResearchRebuttal .research-card, 
      #tabResearchMindmap .research-card, 
      #tabResearchCitation .research-card,
      #tabResearchCrisis .research-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      #tabResearchRebuttal .suggested-topic-item, 
      #tabResearchMindmap .suggested-topic-item,
      #tabResearchCrisis .suggested-topic-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
    }
    @media (max-width: 576px) {
      .mm-center-node {
        max-width: 100%;
        box-sizing: border-box;
        padding: 10px 14px;
      }
      .mm-center-title {
        font-size: 0.8rem;
      }
    }
    #tabResearchRebuttal .research-card, #tabResearchMindmap .research-card, #tabResearchCitation .research-card, #tabResearchCrisis .research-card {
      padding: 16px;
      border-radius: 12px;
    }
    #tabResearchRebuttal .research-card-title, #tabResearchMindmap .research-card-title, #tabResearchCitation .research-card-title, #tabResearchCrisis .research-card-title {
      font-size: 0.95rem;
      margin-bottom: 12px;
    }
    #tabResearchCitation input, #tabResearchCitation select {
      font-size: 0.74rem !important;
      padding: 6px 8px !important;
      height: 34px !important;
    }
    #tabResearchCitation input::placeholder {
      font-size: 0.7rem !important;
    }
    #tabResearchCitation .research-form-group {
      margin-bottom: 10px !important;
    }
    #tabResearchCitation .research-form-group label {
      font-size: 0.72rem !important;
      margin-bottom: 4px !important;
    }
    #tabResearchRebuttal .research-textarea, #tabResearchMindmap .research-textarea {
      font-size: 0.78rem;
      padding: 8px 10px;
      height: 80px;
    }
    #tabResearchRebuttal .research-select, #tabResearchMindmap .research-select {
      font-size: 0.78rem;
      padding: 6px 8px;
      height: auto;
    }
    #tabResearchRebuttal .research-submit-btn, #tabResearchMindmap .research-submit-btn {
      font-size: 0.78rem;
      padding: 10px 16px;
    }
    #tabResearchRebuttal .hyp-card-desc, #tabResearchMindmap .hyp-card-desc {
      font-size: 0.75rem;
      margin-bottom: 12px;
    }
    #tabResearchRebuttal .suggested-topic-text, #tabResearchMindmap .suggested-topic-text {
      font-size: 0.78rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #tabResearchRebuttal .suggested-topic-cat, #tabResearchMindmap .suggested-topic-cat {
      font-size: 0.7rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #tabResearchRebuttal .suggested-topic-item, #tabResearchMindmap .suggested-topic-item {
      padding: 8px 10px;
      gap: 8px;
    }
    #tabResearchRebuttal .suggested-topic-badge, #tabResearchMindmap .suggested-topic-badge {
      width: 16px;
      height: 16px;
      font-size: 0.65rem;
    }

    /* Result styling adjustments */
    #tabResearchRebuttal .hyp-result-title, #tabResearchMindmap h2#mindmapRootTitle {
      font-size: 1rem !important;
    }
    #tabResearchRebuttal .hyp-result-header, #tabResearchMindmap .bento-header {
      padding: 14px 16px;
    }
    #tabResearchRebuttal .hyp-section-header {
      padding: 10px 16px;
      font-size: 0.7rem;
    }
    #tabResearchRebuttal .rebuttal-box-content {
      padding: 12px;
      font-size: 0.8rem;
      margin-top: 8px;
    }
    #tabResearchRebuttal .rebuttal-argument-card {
      padding: 12px;
    }
    #tabResearchRebuttal .rebuttal-argument-card h4 {
      font-size: 0.8rem !important;
    }
    #tabResearchRebuttal .rebuttal-argument-card p {
      font-size: 0.78rem !important;
    }
    #tabResearchRebuttal .hyp-save-strip {
      padding: 12px 16px;
      margin-top: 16px;
    }
    #tabResearchRebuttal .hyp-save-info {
      font-size: 0.75rem;
    }
    #tabResearchRebuttal .hyp-save-btn {
      padding: 8px 14px;
      font-size: 0.78rem;
    }

    #tabResearchMindmap #mindmapNodeDetailCard {
      padding: 16px !important;
    }
    #tabResearchMindmap #nodeDetailTitle {
      font-size: 0.85rem !important;
      padding-bottom: 6px !important;
    }
    #tabResearchMindmap #nodeDetailContent {
      font-size: 0.8rem !important;
      margin-bottom: 12px !important;
    }

    /* AI Crisis Sandbox Styles */
    #tabResearchCrisis {
      font-size: 0.8rem;
    }
    #tabResearchCrisis .research-textarea {
      font-size: 0.78rem;
      padding: 8px 10px;
      height: 90px;
      resize: vertical;
    }
    #tabResearchCrisis .suggested-topic-text {
      font-size: 0.78rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #tabResearchCrisis .suggested-topic-cat {
      font-size: 0.7rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    #tabResearchCrisis .suggested-topic-item {
      padding: 8px 10px;
      gap: 8px;
    }
    #tabResearchCrisis .suggested-topic-badge {
      width: 16px;
      height: 16px;
      font-size: 0.65rem;
    }
    .crisis-threat-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 4px 10px;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .threat-low {
      background: rgba(34, 197, 94, 0.1);
      color: #15803d;
      border: 1px solid rgba(34, 197, 94, 0.2);
    }
    .threat-medium {
      background: rgba(59, 130, 246, 0.1);
      color: #1d4ed8;
      border: 1px solid rgba(59, 130, 246, 0.2);
    }
    .threat-high {
      background: rgba(249, 115, 22, 0.1);
      color: #c2410c;
      border: 1px solid rgba(249, 115, 22, 0.2);
    }
    .threat-extreme {
      background: rgba(239, 68, 68, 0.1);
      color: #b91c1c;
      border: 1px solid rgba(239, 68, 68, 0.2);
    }
    .threat-critical {
      background: rgba(168, 85, 247, 0.1);
      color: #7e22ce;
      border: 1px solid rgba(168, 85, 247, 0.2);
    }
    
    .crisis-threat-gauge {
      display: flex;
      gap: 4px;
      margin: 10px 0;
    }
    .crisis-threat-bar {
      flex: 1;
      height: 8px;
      border-radius: 4px;
      background: #e2e8f0;
      transition: all 0.3s ease;
    }
    .crisis-threat-bar.active-1 { background: #22c55e; }
    .crisis-threat-bar.active-2 { background: #3b82f6; }
    .crisis-threat-bar.active-3 { background: #f97316; }
    .crisis-threat-bar.active-4 { background: #ef4444; }
    .crisis-threat-bar.active-5 { background: #a855f7; }

    .crisis-log-console {
      background: #0f172a;
      color: #38bdf8;
      font-family: 'Courier New', Courier, monospace;
      padding: 12px;
      border-radius: 8px;
      font-size: 0.72rem;
      line-height: 1.4;
      max-height: 120px;
      overflow-y: auto;
      border: 1px solid #334155;
      margin-bottom: 12px;
    }
    .crisis-log-line {
      margin-bottom: 4px;
      display: flex;
      gap: 6px;
    }
    .crisis-log-time {
      color: #64748b;
      flex-shrink: 0;
    }
    .crisis-log-text {
      color: #e2e8f0;
    }
    .crisis-log-line.success .crisis-log-text { color: #4ade80; }
    .crisis-log-line.warning .crisis-log-text { color: #facc15; }
    .crisis-log-line.danger .crisis-log-text { color: #f87171; }

    .crisis-action-timeline {
      display: flex;
      flex-direction: column;
      gap: 16px;
      margin-top: 16px;
      position: relative;
      padding-left: 20px;
    }
    .crisis-action-timeline::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 4px;
      bottom: 4px;
      width: 2px;
      background: #e2e8f0;
    }
    .crisis-action-item {
      position: relative;
      display: flex;
      gap: 12px;
      align-items: flex-start;
    }
    .crisis-action-bullet {
      position: absolute;
      left: -20px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #ffffff;
      border: 3px solid #cbd5e1;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: all 0.3s ease;
      box-sizing: border-box;
    }
    .crisis-action-item.completed .crisis-action-bullet {
      background: #22c55e;
      border-color: #22c55e;
    }
    .crisis-action-badge {
      font-size: 0.68rem;
      font-weight: 700;
      color: #ffffff;
      background: #475569;
      padding: 2px 6px;
      border-radius: 4px;
      flex-shrink: 0;
      white-space: nowrap;
    }
    .crisis-action-desc {
      font-size: 0.78rem;
      color: #334155;
      line-height: 1.45;
      flex-grow: 1;
      text-align: justify;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .crisis-action-checkbox {
      width: 14px !important;
      height: 14px !important;
      margin: 0 !important;
      cursor: pointer;
      accent-color: #22c55e;
    }
    .crisis-pr-card {
      background: #fdf2f2;
      border: 1px dashed rgba(239, 68, 68, 0.3);
      border-left: 4px solid #ef4444;
      padding: 14px;
      border-radius: 0 8px 8px 0;
      font-size: 0.82rem;
      line-height: 1.5;
      color: #1e293b;
      margin-top: 12px;
      position: relative;
      text-align: justify;
    }
    .crisis-pr-quote-icon {
      position: absolute;
      top: 6px;
      right: 12px;
      font-size: 1.8rem;
      color: rgba(239, 68, 68, 0.08);
      font-family: serif;
      pointer-events: none;
    }

    /* Citation & Card styles */
    .citation-types-tab {
      background: #f1f5f9;
      padding: 4px;
      border-radius: 10px;
      display: flex;
      gap: 4px;
      margin-bottom: 20px;
    }
    .citation-type-btn {
      flex: 1;
      border: none;
      background: transparent;
      padding: 6px 4px;
      border-radius: 8px;
      font-size: 0.68rem;
      font-weight: 700;
      color: #475569;
      cursor: pointer;
      transition: all 0.2s ease;
      white-space: nowrap;
      text-align: center;
      line-height: 1.3;
    }
    .citation-type-btn.active {
      background: #ffffff;
      color: var(--primary-red-dark);
      box-shadow: 0 2px 6px rgba(0,0,0,0.06);
    }
    .form-row-2col {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }
    @media (max-width: 576px) {
      .form-row-2col {
        grid-template-columns: 1fr;
        gap: 0;
      }
      .citation-types-tab {
        flex-wrap: wrap;
      }
      .citation-type-btn {
        font-size: 0.72rem;
        padding: 6px 8px;
        min-width: 0;
      }
    }
    .citation-result-box {
      margin-top: 16px;
      background: #fffbfa;
      border: 1px solid rgba(211, 0, 0, 0.08);
      border-radius: 10px;
      padding: 14px;
      text-align: left;
    }
    .citation-result-box-title {
      font-size: 0.72rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      margin-bottom: 6px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .citation-result-box-text {
      font-size: 0.8rem;
      color: #334155;
      line-height: 1.6;
      min-height: 24px;
      word-break: break-word;
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-left: 3px solid var(--primary-red);
      padding: 8px 10px;
      border-radius: 6px;
      margin-top: 4px;
    }
    .citation-result-box-text em {
      font-style: italic;
      font-weight: 700;
      color: #0f172a;
    }
    .citation-result-actions {
      display: flex;
      gap: 8px;
      margin-top: 10px;
      border-top: 1px dashed rgba(211, 0, 0, 0.08);
      padding-top: 8px;
    }
    .citation-action-btn {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      border: 1px solid #e2e8f0;
      border-radius: 6px;
      padding: 6px 10px;
      background: #ffffff;
      font-size: 0.72rem;
      font-weight: 700;
      color: #475569;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .citation-action-btn:hover {
      border-color: rgba(211,0,0,0.2);
      color: var(--primary-red);
      background: #fff8f8;
    }
    
    /* Notes & Bento Grid */
    .notes-search-bar {
      display: flex;
      gap: 12px;
      align-items: center;
      margin-bottom: 16px;
      background: #f8fafc;
      padding: 8px 12px;
      border-radius: 10px;
      border: 1px solid #e2e8f0;
    }
    .notes-search-input-wrap {
      display: flex;
      align-items: center;
      gap: 8px;
      flex: 1;
      position: relative;
    }
    .notes-search-input-wrap i {
      color: #94a3b8;
      font-size: 0.85rem;
    }
    .notes-search-input {
      border: none;
      background: transparent;
      outline: none;
      font-size: 0.8rem;
      color: #1e293b;
      width: 100%;
    }
    .notes-clear-all-btn {
      border: none;
      background: transparent;
      color: #64748b;
      font-size: 0.78rem;
      font-weight: 700;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 4px;
      transition: color 0.2s;
      white-space: nowrap;
    }
    .notes-clear-all-btn:hover {
      color: var(--primary-red);
    }
    
    .notes-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
      gap: 16px;
    }
    .note-card {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 16px;
      box-shadow: 0 4px 10px rgba(15, 23, 42, 0.01);
      display: flex;
      flex-direction: column;
      gap: 10px;
      position: relative;
      transition: all 0.2s ease;
      text-align: left;
    }
    .note-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(15, 23, 42, 0.04);
      border-color: #cbd5e1;
    }
    .note-card-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      gap: 8px;
    }
    .note-card-title {
      font-size: 0.86rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.4;
      font-family: var(--font-title);
      text-align: justify;
    }
    .note-card-delete-btn {
      border: none;
      background: transparent;
      color: #cbd5e1;
      cursor: pointer;
      padding: 2px;
      font-size: 0.85rem;
      transition: color 0.2s ease;
    }
    .note-card-delete-btn:hover {
      color: var(--primary-red);
    }
    .note-card-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 6px;
    }
    .note-card-tag {
      font-size: 0.65rem;
      font-weight: 700;
      padding: 2px 8px;
      border-radius: 4px;
      background: #f1f5f9;
      color: #475569;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }
    .note-card-content {
      font-size: 0.82rem;
      color: #334155;
      line-height: 1.5;
      background: #f8fafc;
      border-left: 3px solid var(--primary-red);
      padding: 8px 12px;
      border-radius: 0 6px 6px 0;
      white-space: pre-line;
      flex: 1;
      text-align: justify;
    }
    .note-card-source {
      font-size: 0.74rem;
      color: #64748b;
      font-style: italic;
      display: flex;
      align-items: flex-start;
      gap: 6px;
      border-top: 1px solid #f1f5f9;
      padding-top: 8px;
    }
    .note-card-source i {
      color: #cbd5e1;
      margin-top: 2px;
    }
    
    @media (min-width: 768px) {
      .note-card.span-2col {
        grid-column: span 2;
      }
    }

    /* ==========================================================================
       QUIZ SYSTEM STYLES (TRẮC NGHIỆM TƯ DUY)
       ========================================================================== */
    .quiz-view-container {
      max-width: 800px;
      margin: 0 auto;
      width: 100%;
    }

    /* Màn hình 1: Danh sách chủ đề */
    .quiz-intro-header {
      text-align: center;
      margin-bottom: 24px;
    }

    .quiz-intro-title {
      font-size: 1.45rem;
      font-weight: 800;
      color: var(--primary-red);
      margin-bottom: 8px;
      line-height: 1.4;
      padding-top: 4px;
    }

    .quiz-intro-subtitle {
      font-size: 0.88rem;
      color: #64748b;
      max-width: 560px;
      margin: 0 auto;
      line-height: 1.5;
    }

    .quiz-topic-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
      margin-bottom: 24px;
    }

    .quiz-topic-card {
      background: #ffffff;
      border: 1px solid rgba(0, 0, 0, 0.08);
      border-radius: 12px;
      padding: 20px 22px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      display: flex;
      flex-direction: column;
      position: relative;
      overflow: hidden;
    }

    .quiz-topic-card::before {
      content: "";
      position: absolute;
      top: 0;
      left: 0;
      width: 6px;
      height: 100%;
      background: var(--theme-color, var(--primary-red));
    }

    .quiz-topic-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 25px rgba(0, 0, 0, 0.06);
      border-color: rgba(0, 0, 0, 0.12);
    }

    .quiz-topic-icon {
      font-size: 1.6rem;
      color: var(--theme-color, var(--primary-red));
      margin-bottom: 12px;
      display: inline-block;
    }

    .quiz-topic-title {
      font-size: 1.05rem;
      font-weight: 750;
      color: #1e293b;
      margin-bottom: 8px;
    }

    .quiz-topic-desc {
      font-size: 0.82rem;
      color: #64748b;
      line-height: 1.5;
      margin-bottom: 18px;
      flex-grow: 1;
    }

    .quiz-start-btn {
      align-self: flex-start;
      background: var(--theme-color, var(--primary-red));
      color: #ffffff;
      border: none;
      border-radius: 30px;
      padding: 7px 18px;
      font-size: 0.8rem;
      font-weight: 700;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s ease;
    }

    .quiz-start-btn:hover {
      opacity: 0.9;
      transform: translateX(3px);
    }

    /* Màn hình 2: Trình làm bài */
    .quiz-play-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 20px;
      padding-bottom: 15px;
      border-bottom: 1px solid #e2e8f0;
    }

    .quiz-play-topic-name {
      font-size: 1rem;
      font-weight: 800;
      color: var(--theme-color, var(--primary-red));
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .quiz-play-status {
      font-size: 0.88rem;
      font-weight: 700;
      color: #64748b;
    }

    /* Progress bar */
    .quiz-progress-container {
      width: 100%;
      height: 8px;
      background: #e2e8f0;
      border-radius: 4px;
      margin-bottom: 35px;
      overflow: hidden;
    }

    .quiz-progress-bar {
      height: 100%;
      width: 0%;
      background: linear-gradient(to right, var(--theme-color, var(--primary-red)), #fbbf24);
      border-radius: 4px;
      transition: width 0.3s ease;
    }

    .quiz-question-box {
      background: #f8fafc;
      border: 1px solid #e2e8f0;
      border-radius: 12px;
      padding: 24px;
      margin-bottom: 25px;
    }

    .quiz-question-text {
      font-size: 1.18rem;
      font-weight: 700;
      color: #1e293b;
      line-height: 1.5;
      margin: 0;
    }

    /* Options list */
    .quiz-options-list {
      display: flex;
      flex-direction: column;
      gap: 14px;
      margin-bottom: 25px;
    }

    .quiz-option-btn {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      padding: 16px 20px;
      text-align: left;
      font-size: 0.98rem;
      color: #334155;
      font-weight: 600;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 12px;
      transition: all 0.2s ease;
      position: relative;
    }

    .quiz-option-btn:hover:not(:disabled) {
      background: #f1f5f9;
      border-color: #cbd5e1;
      transform: translateX(4px);
    }

    .quiz-option-prefix {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 24px;
      height: 24px;
      border-radius: 50%;
      background: #f1f5f9;
      font-size: 0.8rem;
      font-weight: 750;
      color: #64748b;
      flex-shrink: 0;
    }

    /* Selected states */
    .quiz-option-btn.correct {
      background: #ecfdf5 !important;
      border-color: #10b981 !important;
      color: #065f46 !important;
    }

    .quiz-option-btn.correct .quiz-option-prefix {
      background: #10b981 !important;
      color: #ffffff !important;
    }

    .quiz-option-btn.incorrect {
      background: #fef2f2 !important;
      border-color: #ef4444 !important;
      color: #991b1b !important;
    }

    .quiz-option-btn.incorrect .quiz-option-prefix {
      background: #ef4444 !important;
      color: #ffffff !important;
    }

    /* Explanation Box */
    .quiz-explanation-box {
      background: #fffbeb;
      border: 1px solid #fef3c7;
      border-left: 4px solid #d97706;
      border-radius: 8px;
      padding: 18px;
      margin-bottom: 25px;
      display: flex;
      gap: 12px;
      align-items: flex-start;
      transition: all 0.3s ease;
    }

    .quiz-explanation-icon {
      color: #d97706;
      font-size: 1.1rem;
      margin-top: 3px;
      flex-shrink: 0;
    }

    .quiz-explanation-text {
      font-size: 0.88rem;
      line-height: 1.5;
      color: #92400e;
      margin: 0;
    }

    /* Control buttons footer */
    .quiz-play-footer {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-top: 30px;
    }

    .quiz-btn-secondary {
      background: #ffffff;
      color: #64748b;
      border: 1px solid #cbd5e1;
      border-radius: 30px;
      padding: 10px 24px;
      font-size: 0.9rem;
      font-weight: 700;
      cursor: pointer;
      transition: all 0.2s ease;
    }

    .quiz-btn-secondary:hover {
      background: #f8fafc;
      color: #334155;
    }

    .quiz-btn-primary {
      background: var(--theme-color, var(--primary-red));
      color: #ffffff;
      border: none;
      border-radius: 30px;
      padding: 10px 28px;
      font-size: 0.9rem;
      font-weight: 700;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: all 0.2s ease;
    }

    .quiz-btn-primary:hover:not(:disabled) {
      opacity: 0.9;
      transform: translateY(-1px);
    }

    .quiz-btn-primary:disabled {
      background: #cbd5e1;
      cursor: not-allowed;
      transform: none;
    }

    /* Màn hình 3: Kết quả */
    .quiz-results-card {
      background: #ffffff;
      border: 1px solid rgba(0, 0, 0, 0.08);
      border-radius: 20px;
      padding: 45px 30px;
      text-align: center;
      max-width: 600px;
      margin: 0 auto;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    }

    .quiz-results-icon {
      font-size: 3.5rem;
      color: #fbbf24;
      margin-bottom: 20px;
      display: inline-block;
    }

    .quiz-results-score-wrap {
      margin-bottom: 25px;
    }

    .quiz-results-score-label {
      font-size: 0.9rem;
      font-weight: 800;
      color: #64748b;
      text-transform: uppercase;
      letter-spacing: 1px;
      margin-bottom: 8px;
    }

    .quiz-results-score {
      font-size: 3.2rem;
      font-weight: 900;
      color: var(--theme-color, var(--primary-red));
      line-height: 1;
    }

    .quiz-results-badge {
      display: inline-block;
      background: var(--theme-color-light, rgba(211, 0, 0, 0.06));
      color: var(--theme-color-dark, var(--primary-red));
      font-size: 1.05rem;
      font-weight: 800;
      padding: 8px 24px;
      border-radius: 30px;
      margin-bottom: 25px;
      border: 1px solid var(--theme-color-border, rgba(211, 0, 0, 0.1));
    }

    .quiz-results-desc {
      font-size: 0.95rem;
      line-height: 1.6;
      color: #475569;
      margin: 0 auto 35px auto;
      max-width: 450px;
    }

    .quiz-results-actions {
      display: flex;
      justify-content: center;
      gap: 15px;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .quiz-topic-grid {
        grid-template-columns: 1fr;
        gap: 18px;
      }

      .quiz-topic-card {
        padding: 24px;
      }

      .quiz-question-text {
        font-size: 1.05rem;
      }

      .quiz-option-btn {
        padding: 14px 16px;
        font-size: 0.92rem;
      }

      .quiz-results-card {
        padding: 30px 20px;
      }

      .quiz-results-score {
        font-size: 2.6rem;
      }

      .quiz-results-actions {
        flex-direction: column;
        gap: 12px;
      }

      .quiz-results-actions button {
        width: 100%;
      }
    }


    /* ==========================================================================
       AI ASSISTANT STYLES (TRỢ LÝ LÝ LUẬN TRẺ (AI)) - GEMINI STYLE REDESIGN
       ========================================================================== */
    .ai-assistant-container {
      max-width: 960px;
      margin: 0 auto;
      width: 100%;
      padding: 0 8px;
    }

    /* BANNER HƯỚNG DẪN Ở TRÊN */
    .assistant-banner-card {
      background: #fff5f5;
      border: 1px solid rgba(211, 0, 0, 0.15);
      border-radius: 12px;
      padding: 16px 20px;
      margin-bottom: 20px;
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .banner-icon-circle {
      width: 42px;
      height: 42px;
      border-radius: 50%;
      background: var(--primary-red);
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      flex-shrink: 0;
      box-shadow: none !important;
    }

    .banner-text-content h4 {
      font-size: 0.95rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin: 0 0 4px 0;
      font-family: var(--font-title);
    }

    .banner-text-content p {
      font-size: 0.85rem;
      color: #7f1d1d;
      margin: 0;
      line-height: 1.45;
      -webkit-text-size-adjust: 100% !important;
      text-size-adjust: 100% !important;
    }

    /* KHUNG CHAT */
    .chat-box-card {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      border-radius: 16px;
      box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
      display: flex;
      flex-direction: column;
      height: 680px;
      overflow: hidden;
      margin-bottom: 30px;
      min-width: 0 !important;
    }

    .chat-header {
      background: linear-gradient(135deg, var(--primary-red-dark), var(--primary-red));
      padding: 16px 24px;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
      border-bottom: none;
    }

    .chat-header-left {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .chat-header-logo {
      width: 40px;
      height: 40px;
      border-radius: 50%;
      background: #f59e0b;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.25rem;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    }

    .chat-header-title-block {
      display: flex;
      flex-direction: column;
      gap: 2px;
    }

    .chat-header-title-row {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .chat-header-title-row h3 {
      font-size: 1.15rem;
      font-weight: 800;
      color: #ffffff !important;
      margin: 0;
      letter-spacing: 0.5px;
      font-family: var(--font-title);
    }

    .chat-header-status-badge {
      background: #10b981;
      color: #ffffff;
      font-size: 0.65rem;
      font-weight: 800;
      padding: 2px 6px;
      border-radius: 4px;
      letter-spacing: 0.5px;
    }

    .chat-header-subtitle {
      font-size: 0.8rem;
      color: rgba(255, 255, 255, 0.88);
      margin: 0;
      font-weight: 500;
    }

    .chat-header-refresh-btn {
      background: rgba(255, 255, 255, 0.15) !important;
      border: 1px solid rgba(255, 255, 255, 0.3) !important;
      color: #ffffff !important;
      padding: 4px 8px !important;
      border-radius: 6px !important;
      font-size: 0.72rem !important;
      font-weight: 600 !important;
      cursor: pointer !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      gap: 4px !important;
      transition: var(--transition) !important;
      width: auto !important;
      height: auto !important;
      box-shadow: none !important;
    }

    .chat-header-refresh-btn:hover {
      background: #ffffff;
      color: var(--primary-red);
      border-color: #ffffff;
    }

    .chat-feed {
      flex-grow: 1;
      padding: 24px;
      overflow-y: auto;
      background: #f8fafc;
      display: flex;
      flex-direction: column;
      gap: 20px;
      scroll-behavior: smooth;
      min-width: 0 !important;
    }

    /* Bubbles Styling */
    .chat-message-row {
      display: flex;
      width: 100%;
      margin-bottom: 4px;
      min-width: 0 !important;
    }

    .chat-message-row.user {
      justify-content: flex-end;
    }

    .chat-message-row.ai {
      justify-content: flex-start;
    }

    .chat-avatar-mini {
      width: 36px;
      height: 36px;
      border-radius: 50%;
      background: #eab308;
      color: #ffffff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.8rem;
      font-weight: 800;
      margin-right: 12px;
      flex-shrink: 0;
      margin-top: 4px;
      box-shadow: 0 2px 4px rgba(234, 179, 8, 0.2);
    }

    .chat-bubble {
      max-width: 80%;
      padding: 14px 20px;
      border-radius: 14px;
      font-size: 0.92rem;
      line-height: 1.55;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
      min-width: 0 !important;
    }

    .chat-message-row.user .chat-bubble {
      background: var(--primary-red-light);
      color: var(--primary-red-dark);
      border: 1px solid rgba(211, 0, 0, 0.1);
      border-bottom-right-radius: 4px;
    }

    .chat-message-row.ai .chat-bubble {
      background: #ffffff;
      color: #1e293b;
      border: 1px solid #e2e8f0;
      border-bottom-left-radius: 4px;
    }

    /* Markdown styling inside AI bubble */
    .chat-bubble p {
      margin: 0 0 10px 0;
      -webkit-text-size-adjust: 100% !important;
      text-size-adjust: 100% !important;
    }
    .chat-bubble p:last-child {
      margin-bottom: 0;
    }
    .chat-bubble ul, .chat-bubble ol {
      margin: 0 0 10px 0;
      padding-left: 20px;
    }
    .chat-bubble ul:last-child, .chat-bubble ol:last-child {
      margin-bottom: 0;
    }
    .chat-bubble li {
      margin-bottom: 4px;
      -webkit-text-size-adjust: 100% !important;
      text-size-adjust: 100% !important;
    }
    .chat-bubble strong {
      font-weight: 700;
      color: inherit;
    }
    .chat-bubble h3 {
      font-size: 1.15rem;
      font-weight: 800;
      margin: 16px 0 10px 0;
      color: var(--primary-red-dark);
    }
    .chat-bubble h4 {
      font-size: 1.05rem;
      font-weight: 700;
      margin: 14px 0 8px 0;
      color: #0f172a;
    }
    .chat-bubble h5 {
      font-size: 0.98rem;
      font-weight: 700;
      margin: 12px 0 6px 0;
      color: #334155;
    }
    .chat-bubble h6 {
      font-size: 0.92rem;
      font-weight: 700;
      margin: 10px 0 4px 0;
      color: #475569;
    }
    .chat-bubble hr {
      margin: 16px 0;
      border: none;
      border-top: 1px solid #e2e8f0;
    }

    /* Presets Section */
    .chat-presets-section { display: none !important; }

    .chat-presets-title {
      font-size: 0.8rem;
      font-weight: 700;
      color: var(--primary-red-dark);
      margin-bottom: 12px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .chat-presets-title i {
      font-size: 0.9rem;
    }

    .chat-presets-list {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      overflow-x: visible;
      min-width: 0 !important;
      width: 100% !important;
      box-sizing: border-box !important;
    }

    .chat-preset-btn {
      background: #ffffff;
      border: 1px solid #cbd5e1;
      color: #334155;
      padding: 8px 16px;
      border-radius: 20px;
      font-size: 0.82rem;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      flex-shrink: 0;
    }

    .chat-preset-btn:hover {
      background: var(--primary-red-light);
      border-color: rgba(211, 0, 0, 0.2);
      color: var(--primary-red-dark);
    }

    /* Input Section */
    .chat-input-container {
      padding: 16px 24px;
      background: #ffffff;
      border-top: 1px solid #e2e8f0;
      min-width: 0 !important;
      width: 100% !important;
      box-sizing: border-box !important;
    }

    .chat-input-form {
      display: flex;
      align-items: center;
      gap: 12px;
      background: #f8fafc;
      border: 1px solid #cbd5e1;
      border-radius: 12px;
      padding: 4px 6px 4px 16px;
      transition: all 0.2s ease;
      min-width: 0 !important;
      width: 100% !important;
      box-sizing: border-box !important;
    }

    .chat-input-form:focus-within {
      background: #ffffff;
      border-color: var(--primary-red);
      box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.08);
    }

    .chat-input-field {
      flex-grow: 1;
      border: none;
      background: transparent;
      padding: 12px 0;
      font-size: 0.92rem;
      color: #0f172a;
      outline: none;
      min-width: 0 !important;
    }

    .chat-send-btn-icon {
      background: #d48388;
      color: #ffffff;
      border: none;
      width: 40px;
      height: 40px;
      border-radius: 8px;
      font-size: 1.1rem;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: var(--transition);
      flex-shrink: 0;
    }

    .chat-send-btn-icon:hover {
      background: var(--primary-red);
    }

    .chat-send-btn-icon:disabled {
      background: #e2e8f0;
      color: #94a3b8;
      cursor: not-allowed;
    }

    /* Typing indicator */
    .typing-indicator {
      display: flex;
      gap: 4px;
      align-items: center;
      padding: 6px 10px;
    }

    .typing-dot {
      width: 6px;
      height: 6px;
      background: #64748b;
      border-radius: 50%;
      animation: typingBounce 1.4s infinite ease-in-out;
    }

    .typing-dot:nth-child(1) { animation-delay: 0s; }
    .typing-dot:nth-child(2) { animation-delay: 0.2s; }
    .typing-dot:nth-child(3) { animation-delay: 0.4s; }

    @keyframes typingBounce {
      0%, 80%, 100% { transform: translateY(0); }
      40% { transform: translateY(-6px); }
    }

    @media (max-width: 1024px) and (min-width: 769px) {
      .chat-box-card {
        height: 620px !important;
      }
    }

    @media (max-width: 768px) {
      #mainView {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
      }
      #assistantView {
        width: 100% !important;
        max-width: 100% !important;
        overflow-x: hidden !important;
        min-width: 0 !important;
      }
      .ai-assistant-container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 4px !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
        min-width: 0 !important;
      }
      .assistant-banner-card {
        padding: 10px 14px !important;
        gap: 10px !important;
        margin-bottom: 12px !important;
      }
      .banner-icon-circle {
        width: 32px !important;
        height: 32px !important;
        font-size: 0.95rem !important;
      }
      .banner-text-content h4 {
        font-size: 0.88rem !important;
      }
      .banner-text-content p {
        font-size: 0.76rem !important;
      }
      .chat-box-card {
        height: calc(100vh - 220px) !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        box-sizing: border-box !important;
        margin-bottom: 12px !important;
        min-width: 0 !important;
        border-radius: 12px !important;
      }
      .chat-header {
        padding: 10px 16px !important;
      }
      .chat-header-logo {
        width: 32px !important;
        height: 32px !important;
        font-size: 1rem !important;
      }
      .chat-header-title-row h3 {
        font-size: 0.82rem !important;
        letter-spacing: 0 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
      }
      .chat-header-status-badge {
        font-size: 0.55rem !important;
        padding: 2px 5px !important;
        flex-shrink: 0 !important;
      }
      .chat-header-subtitle {
        font-size: 0.68rem !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
      }
      .chat-header-refresh-btn span { display: inline !important; }
      .chat-header-refresh-btn {
      background: rgba(255, 255, 255, 0.15) !important;
      border: 1px solid rgba(255, 255, 255, 0.3) !important;
      color: #ffffff !important;
      padding: 4px 8px !important;
      border-radius: 6px !important;
      font-size: 0.72rem !important;
      font-weight: 600 !important;
      cursor: pointer !important;
      display: inline-flex !important;
      align-items: center !important;
      justify-content: center !important;
      gap: 4px !important;
      transition: var(--transition) !important;
      width: auto !important;
      height: auto !important;
      box-shadow: none !important;
    }
      .chat-feed {
        padding: 16px 12px !important;
        gap: 12px !important;
      }
      .chat-bubble {
        max-width: 82% !important;
        padding: 10px 14px !important;
        font-size: 0.88rem !important;
        line-height: 1.5 !important;
        word-break: break-word !important;
        overflow-wrap: break-word !important;
      }
      .chat-avatar-mini {
        width: 30px !important;
        height: 30px !important;
        font-size: 0.72rem !important;
        margin-right: 8px !important;
        margin-top: 4px !important;
      }
      .chat-presets-section { display: none !important; }
      .chat-presets-title {
        font-size: 0.72rem !important;
        margin-bottom: 6px !important;
      }
      .chat-presets-list {
        display: flex !important;
        gap: 8px !important;
        overflow-x: auto !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
        padding-bottom: 4px !important;
      }
      .chat-preset-btn {
        font-size: 0.75rem !important;
        padding: 4px 10px !important;
        flex-shrink: 0 !important;
        white-space: nowrap !important;
      }
      .chat-input-container {
        padding: 10px 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        min-width: 0 !important;
      }
      .chat-input-form {
        display: flex !important;
        width: 100% !important;
        max-width: 100% !important;
        min-width: 0 !important;
        gap: 8px !important;
        align-items: center !important;
        padding: 4px 4px 4px 12px !important;
        border-radius: 10px !important;
      }
      .chat-input-field {
        padding: 6px 0 !important;
        font-size: 0.88rem !important;
        flex-grow: 1 !important;
        min-width: 0 !important;
        width: 50px !important;
      }
      .chat-send-btn-icon {
        width: 32px !important;
        height: 32px !important;
        border-radius: 6px !important;
        font-size: 0.9rem !important;
      }
    }

    /* ==========================================================================
       HOMEPAGE PORTAL REDESIGN STYLES
       ========================================================================== */

    /* Editorial Column Grid */
    .home-columns-grid {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 24px;
      margin-top: 30px;
    }
    @media (max-width: 768px) {
      .home-columns-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 30px;
      }
      .editorial-col-title {
        font-size: 0.95rem !important; /* Co nhỏ tiêu đề cột chuyên mục trên mobile tránh xuống dòng xấu */
        letter-spacing: -0.2px !important;
      }
    }

    /* Column Container */
    .editorial-column {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .editorial-col-header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 8px;
    }
    .editorial-col-title {
      font-size: 1.15rem;
      font-weight: 800;
      color: var(--primary-red-dark);
      font-family: var(--font-title);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      position: relative;
    }
    .editorial-col-link {
      font-size: 0.8rem;
      font-weight: 600;
      color: var(--text-muted);
      transition: var(--transition);
    }
    .editorial-col-link:hover {
      color: var(--primary-red);
    }

    /* Editorial Main Card (Highlight) */
    .editorial-main-card {
      background: #ffffff;
      border-radius: 0 !important;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      border: 1px solid var(--border-color);
      transition: var(--transition);
      cursor: pointer;
      display: flex;
      flex-direction: column;
    }
    .editorial-main-card:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 20px rgba(0,0,0,0.08);
      border-color: rgba(211, 0, 0, 0.2);
    }
    .editorial-main-img-wrap {
      position: relative;
      width: 100%;
      padding-top: 56.25%;
      overflow: hidden;
      background-color: #f1f5f9;
    }
    .editorial-main-img {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      transition: transform 0.5s ease;
    }
    .editorial-main-card:hover .editorial-main-img {
      transform: scale(1.05);
    }
    .editorial-main-content {
      padding: 16px;
      display: flex;
      flex-direction: column;
      gap: 8px;
    }
    .editorial-main-title {
      font-size: 1.05rem;
      font-weight: 800;
      color: var(--text-dark);
      line-height: 1.4;
      font-family: var(--font-title);
      transition: var(--transition);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .editorial-main-card:hover .editorial-main-title {
      color: var(--primary-red);
    }
    .editorial-main-summary {
      font-size: 0.88rem;
      color: var(--text-muted);
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      margin: 0;
    }
    .editorial-main-meta {
      display: flex;
      gap: 12px;
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* Editorial Sub-articles List */
    .editorial-sub-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .editorial-sub-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding-bottom: 12px;
      border-bottom: 1px dashed var(--border-color);
    }
    .editorial-sub-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .editorial-sub-bullet {
      color: var(--primary-red);
      font-size: 0.8rem;
      margin-top: 4px;
      flex-shrink: 0;
    }
    .editorial-sub-title {
      font-size: 0.92rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.4;
      transition: var(--transition);
      text-decoration: none;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .editorial-sub-title:hover {
      color: var(--primary-red);
    }

    /* Documents (Văn bản mới) Section CSS */
    .home-docs-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 20px;
    }
    @media (max-width: 768px) {
      .home-docs-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }
    .home-doc-card {
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      padding: 16px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
      position: relative;
    }
    .home-doc-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0,0,0,0.06);
      border-color: rgba(211, 0, 0, 0.15);
    }
    .home-doc-badge {
      align-self: flex-start;
      font-size: 0.7rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      background-color: rgba(211, 0, 0, 0.08);
      color: var(--primary-red);
      text-transform: uppercase;
      margin-bottom: 10px;
    }
    .home-doc-title {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.4;
      margin-bottom: 8px;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .home-doc-meta {
      font-size: 0.78rem;
      color: var(--text-muted);
      margin-bottom: 12px;
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .home-doc-download-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      padding: 8px 12px;
      border-radius: 6px;
      background-color: var(--primary-red);
      color: #ffffff;
      font-size: 0.82rem;
      font-weight: 700;
      text-decoration: none;
      transition: var(--transition);
      border: none;
      cursor: pointer;
      text-align: center;
    }
    .home-doc-download-btn:hover {
      background-color: var(--primary-red-dark);
    }

    /* Calendar (Lịch hoạt động) Section CSS */
    .home-calendar-grid {
      display: grid;
      grid-template-columns: repeat(3, minmax(0, 1fr));
      gap: 16px;
      margin-top: 20px;
    }
    @media (max-width: 768px) {
      .home-calendar-grid {
        grid-template-columns: minmax(0, 1fr);
      }
    }
    .home-calendar-card {
      background: #ffffff;
      border-radius: 8px;
      border: 1px solid var(--border-color);
      padding: 16px;
      display: flex;
      gap: 14px;
      transition: var(--transition);
      box-shadow: 0 2px 8px rgba(0,0,0,0.03);
    }
    .home-calendar-card:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0,0,0,0.06);
      border-color: rgba(211, 0, 0, 0.15);
    }
    .home-cal-date-badge {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      width: 50px;
      height: 54px;
      border-radius: 6px;
      background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
      color: #ffffff;
      flex-shrink: 0;
      box-shadow: none !important;
    }
    .home-cal-date-day {
      font-size: 1.15rem;
      font-weight: 800;
      line-height: 1;
    }
    .home-cal-date-month {
      font-size: 0.65rem;
      font-weight: 600;
      text-transform: uppercase;
      opacity: 0.9;
    }
    .home-cal-info {
      display: flex;
      flex-direction: column;
      gap: 6px;
      flex-grow: 1;
      min-width: 0;
    }
    .home-cal-title {
      font-size: 0.92rem;
      font-weight: 700;
      color: var(--text-dark);
      line-height: 1.3;
      margin: 0;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .home-cal-details {
      font-size: 0.78rem;
      color: var(--text-muted);
      display: flex;
      flex-direction: column;
      gap: 2px;
    }
    .home-cal-detail-item {
      display: flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }
    .home-cal-detail-item i {
      color: var(--primary-red);
      width: 12px;
      text-align: center;
    }

    /* Welcome Banner - Premium Gradient Masthead */
    .home-welcome-banner {
      background: linear-gradient(135deg, #7f1c1d 0%, #b91c1c 50%, #dc2626 100%);
      border-radius: 12px;
      padding: 30px;
      color: #ffffff;
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: center;
      gap: 24px;
      margin-top: 40px;
      box-shadow: none !important;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .home-welcome-banner::before {
      content: '';
      position: absolute;
      top: -30%;
      right: -10%;
      width: 250px;
      height: 250px;
      background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 60%);
      pointer-events: none;
    }
    .home-welcome-banner-logo {
      width: 90px;
      height: 90px;
      border-radius: 50%;
      background: #ffffff;
      padding: 6px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      flex-shrink: 0;
      border: 2px solid rgba(255,255,255,0.8);
    }
    .home-welcome-banner-content {
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .home-welcome-banner-title {
      font-size: 1.25rem;
      font-weight: 800;
      margin: 0;
      font-family: var(--font-title);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      text-shadow: 0 1px 3px rgba(0,0,0,0.25);
      color: #fde047;
    }
    .home-welcome-banner-text {
      font-size: 0.9rem;
      line-height: 1.5;
      opacity: 0.95;
      margin: 0;
    }
    .home-welcome-banner-meta {
      font-size: 0.78rem;
      font-weight: 600;
      color: #fde047;
      margin-top: 4px;
    }
    .home-welcome-banner-features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 12px;
      margin: 12px 0;
      border-top: 1px dashed rgba(255,255,255,0.2);
      border-bottom: 1px dashed rgba(255,255,255,0.2);
      padding: 12px 0;
    }
    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }
    @media (max-width: 768px) {
      .home-welcome-banner {
        flex-direction: column !important;
        align-items: center !important;
        text-align: left !important; /* Thay đổi căn lề sang trái để chuyên nghiệp hơn */
        padding: 24px 16px !important;
        gap: 20px !important;
        background: linear-gradient(135deg, #7f1c1d 0%, #a21a1a 60%, #c21a1a 100%) !important;
      }
      .home-welcome-banner-logo {
        width: 90px !important;
        height: 90px !important;
        margin-bottom: -5px !important;
      }
      .home-welcome-banner-content {
        align-items: stretch !important;
        width: 100% !important;
      }
      .home-welcome-banner-title {
        font-size: 1rem !important; /* Nhỏ lại cho vừa màn hình */
        text-align: center !important; /* Tiêu đề chính giữ căn giữa */
        line-height: 1.35 !important;
        margin-bottom: 6px !important;
      }
      .home-welcome-banner-text {
        text-align: justify !important; /* Căn đều hai bên cực kỳ chuyên nghiệp */
        font-size: 0.85rem !important;
        line-height: 1.55 !important;
        opacity: 0.95 !important;
      }
      .home-welcome-banner-info-grid {
        display: flex !important;
        flex-direction: column !important; /* Xếp dọc Slogan và Khẩu hiệu */
        gap: 10px !important;
        width: 100% !important;
        background: rgba(0, 0, 0, 0.16) !important; /* Tạo khung nền sang trọng */
        padding: 12px 14px !important;
        border-radius: 8px !important;
        border: 1px solid rgba(255, 255, 255, 0.08) !important;
        margin: 10px 0 !important;
      }
      .home-welcome-banner-info-grid > div {
        display: block !important;
        line-height: 1.4 !important;
        font-size: 0.78rem !important; /* Kích thước phù hợp trên mobile */
        letter-spacing: -0.2px !important;
        white-space: normal !important; /* Cho phép xuống dòng tránh tràn viền bên phải */
      }
      .home-welcome-banner-features {
        grid-template-columns: 1fr !important;
        gap: 14px !important;
        border-top: 1px dashed rgba(255, 255, 255, 0.15) !important;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.15) !important;
        padding: 16px 0 !important;
        margin: 16px 0 !important;
      }
      .home-welcome-banner-features > div {
        text-align: left !important;
      }
      .home-welcome-banner-features div div {
        text-align: justify !important; /* Căn đều phần mô tả chức năng */
        color: rgba(255, 255, 255, 0.9) !important;
      }
      .home-welcome-banner-meta {
        display: flex !important;
        flex-direction: column !important; /* Xếp dọc meta */
        gap: 8px !important;
        font-size: 0.75rem !important;
        line-height: 1.35 !important;
      }
      .form-grid {
        grid-template-columns: 1fr;
        gap: 12px;
      }
    }

    /* Sidebar notices widget styling */
    .sidebar-notices-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .sidebar-notice-item {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding-bottom: 12px;
      border-bottom: 1px dashed var(--border-color);
      transition: var(--transition);
    }
    .sidebar-notice-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .sidebar-notice-icon {
      color: var(--primary-red);
      font-size: 0.85rem;
      margin-top: 4px;
      flex-shrink: 0;
      animation: sidebarBellSwing 3s infinite ease-in-out;
    }
    @keyframes sidebarBellSwing {
      0%, 100% { transform: rotate(0); }
      10%, 30% { transform: rotate(15deg); }
      20%, 40% { transform: rotate(-15deg); }
      50% { transform: rotate(0); }
    }
    .sidebar-notice-link {
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--text-dark);
      line-height: 1.35;
      text-decoration: none;
      transition: var(--transition);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }
    .sidebar-notice-link:hover {
      color: var(--primary-red);
    }
    .sidebar-notice-date {
      font-size: 0.75rem;
      color: var(--text-muted);
      margin-top: 3px;
      display: block;
    }

    /* Countdown Widget Styling inside Sidebar */
    .countdown-widget-container {
      background: linear-gradient(135deg, var(--primary-red-dark) 0%, var(--primary-red) 100%);
      border-radius: 8px;
      padding: 16px;
      color: #ffffff;
      text-align: center;
      border: 1px solid rgba(255, 255, 255, 0.1);
      position: relative;
      overflow: hidden;
    }
    .countdown-widget-container::before {
      content: '';
      position: absolute;
      top: -30%;
      left: -20%;
      width: 150px;
      height: 150px;
      background: radial-gradient(circle, rgba(255, 245, 0, 0.1) 0%, transparent 60%);
      pointer-events: none;
    }
    .countdown-widget-title {
      font-size: 0.85rem;
      font-weight: 800;
      letter-spacing: 0.8px;
      text-transform: uppercase;
      margin-bottom: 8px;
      color: #fde047;
      text-shadow: 0 1px 2px rgba(0,0,0,0.2);
    }
    .countdown-widget-event {
      font-size: 0.95rem;
      font-weight: 700;
      margin-bottom: 12px;
      line-height: 1.3;
      font-family: var(--font-title);
      text-shadow: 0 1px 2px rgba(0,0,0,0.15);
    }
    .countdown-widget-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 6px;
    }
    .countdown-widget-box {
      background: rgba(0, 0, 0, 0.25);
      border-radius: 4px;
      padding: 6px 2px;
      border: 1px solid rgba(255, 255, 255, 0.08);
      display: flex;
      flex-direction: column;
      align-items: center;
    }
    .countdown-widget-val {
      font-size: 1.15rem;
      font-weight: 800;
      line-height: 1.1;
      font-family: monospace;
    }
    .countdown-widget-unit {
      font-size: 0.62rem;
      text-transform: uppercase;
      opacity: 0.85;
      margin-top: 2px;
    }

    /* CUSTOM MOBILE OVERRIDES */
    @media (max-width: 768px) {
      /* TRANG LỊCH HOẠT ĐỘNG: Transform table to card list layout on mobile */
      .calendar-table, 
      .calendar-table thead, 
      .calendar-table tbody, 
      .calendar-table tr, 
      .calendar-table th, 
      .calendar-table td {
        display: block !important;
        width: 100% !important;
        box-sizing: border-box !important;
      }
      .calendar-table thead {
        display: none !important;
      }
      .calendar-table tr {
        margin-bottom: 20px !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 14px !important;
        overflow: hidden !important;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.03) !important;
        background: #ffffff !important;
      }
      .calendar-table tr:last-child {
        margin-bottom: 0 !important;
      }
      .calendar-day-col {
        background: var(--primary-red-dark) !important;
        color: #ffffff !important;
        padding: 10px 12px !important;
        font-size: 0.92rem !important;
        text-align: center !important;
        border-right: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15) !important;
        display: flex !important;
        flex-direction: column !important; /* Xếp dọc Thứ và Ngày */
        align-items: center !important; /* Căn giữa ngang */
        justify-content: center !important; /* Căn giữa dọc */
        gap: 2px !important;
        font-family: var(--font-title);
      }
      .calendar-day-name {
        color: #ffffff !important;
        margin-bottom: 0 !important;
        font-size: 0.92rem !important;
        font-weight: 800 !important;
        text-align: center !important;
      }
      .calendar-day-date {
        color: rgba(255, 255, 255, 0.9) !important;
        font-size: 0.8rem !important;
        font-weight: 600 !important;
        text-align: center !important;
      }
      .calendar-table td:not(.calendar-day-col) {
        padding: 16px !important;
        border-bottom: 1px solid #f1f5f9 !important;
      }
      .calendar-table td:not(.calendar-day-col):last-child {
        border-bottom: none !important;
      }
      
      /* Headers for Sáng / Chiều in card view */
      .calendar-table td:not(.calendar-day-col):nth-child(2)::before {
        content: "SÁNG (8h00 - 12h00)";
        display: block !important;
        font-weight: 800 !important;
        color: var(--primary-red-dark) !important;
        font-size: 0.75rem !important;
        letter-spacing: 0.5px !important;
        margin-bottom: 10px !important;
        border-bottom: 1px dashed rgba(220, 38, 38, 0.15) !important;
        padding-bottom: 4px !important;
        text-align: center !important; /* Căn giữa */
      }
      .calendar-table td:not(.calendar-day-col):nth-child(3)::before {
        content: "CHIỀU (13h00 - 17h00)";
        display: block !important;
        font-weight: 800 !important;
        color: var(--primary-red-dark) !important;
        font-size: 0.75rem !important;
        letter-spacing: 0.5px !important;
        margin-bottom: 10px !important;
        border-bottom: 1px dashed rgba(220, 38, 38, 0.15) !important;
        padding-bottom: 4px !important;
        text-align: center !important; /* Căn giữa */
      }

      /* Weekly Calendar Header overrides for mobile */
      .calendar-week-header {
        padding: 10px 8px !important;
        border-radius: 12px 12px 0 0 !important;
        gap: 6px !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
      }
      .calendar-week-title {
        flex-grow: 1 !important;
        min-width: 0 !important;
        text-align: center !important;
      }
      .calendar-week-title h3 {
        font-size: 0.9rem !important; /* Tiêu đề lịch công tác nhỏ lại */
        font-weight: 800 !important;
        letter-spacing: -0.3px !important; /* Giãn chữ khít lại */
        line-height: 1.25 !important;
        margin-bottom: 2px !important;
      }
      .calendar-week-range {
        font-size: 0.7rem !important; /* Khoảng ngày nhỏ lại */
        font-weight: 600 !important;
        letter-spacing: -0.1px !important;
        display: block !important;
      }
      .calendar-nav-btn {
        padding: 5px 8px !important; /* Nút nhỏ lại */
        font-size: 0.68rem !important; /* Chữ nhỏ lại */
        font-weight: 700 !important;
        gap: 3px !important;
        border-radius: 20px !important;
        white-space: nowrap !important;
        background: rgba(255, 255, 255, 0.12) !important;
        border: 1px solid rgba(255, 255, 255, 0.25) !important;
      }
      .calendar-nav-btn i {
        font-size: 0.68rem !important;
      }

      .calendar-event-item {
        padding: 10px 12px !important;
        border-radius: 8px !important;
      }
      .calendar-event-desc {
        font-size: 0.82rem !important;
        line-height: 1.45 !important;
        margin-bottom: 6px !important;
      }
      .calendar-event-time {
        font-size: 0.72rem !important;
        padding: 2px 6px !important;
      }
      .calendar-event-meta {
        font-size: 0.72rem !important;
        gap: 4px !important;
      }
      .calendar-event-meta span {
        padding-left: 16px !important;
      }
      .calendar-event-meta span i {
        font-size: 0.72rem !important;
      }
      .calendar-cell-empty {
        min-height: auto !important;
        padding: 8px 0 !important;
        font-size: 0.75rem !important;
      }

      /* TRANG HỆ THỐNG VĂN BẢN: Decrease section title size for "HỆ THỐNG VĂN BẢN" to fit on 1 line */
      #vanbanView .section-title {
        font-size: 1.15rem !important;
        white-space: nowrap !important;
      }

      /* TRANG BAN ĐIỀU HÀNH: Decrease section title size to fit on 1 line */
      #boardView .section-title {
        font-size: 0.92rem !important;
        white-space: nowrap !important;
        letter-spacing: -0.4px !important;
        gap: 8px !important;
      }
      #boardView .section-title i {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.85rem !important;
      }

      /* TRANG ĐĂNG KÝ GIA NHẬP: Decrease section title size to fit on 1 line on mobile */
      #registerView .section-title {
        font-size: 0.92rem !important;
        white-space: nowrap !important;
        letter-spacing: -0.4px !important;
        gap: 8px !important;
      }
      #registerView .section-title i {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.85rem !important;
      }

      /* TRANG GIỚI THIỆU - BAN TRỰC THUỘC: Allow wrapping on mobile to prevent overflow */
      .about-bdh-row-condensed {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: flex-start !important;
        gap: 15px !important;
      }
      .about-bdh-row-condensed .about-bdh-label {
        font-size: 0.8rem !important;
        white-space: normal !important;
        flex-shrink: 1 !important;
      }
      .about-bdh-row-condensed .about-bdh-val {
        font-size: 0.82rem !important;
        white-space: normal !important;
        text-align: right !important;
        flex-shrink: 1 !important;
      }

      /* TRANG TIN TỨC - SỰ KIỆN: Single column list view with 2-column layout inside cards */
      .news-grid {
        grid-template-columns: 1fr !important;
        gap: 16px !important;
      }
      
      .news-spotlight-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
      }
      .news-spotlight-left, 
      .news-spotlight-right {
        display: flex !important;
        flex-direction: column !important;
        gap: 16px !important;
        width: 100% !important;
      }
      
      .news-spotlight-left-card,
      .news-spotlight-right-card,
      .news-card {
        display: flex !important;
        flex-direction: row !important;
        align-items: flex-start !important;
        gap: 12px !important;
        padding: 10px !important;
        background: #ffffff !important;
        border: 1px solid var(--border-color) !important;
        border-radius: 0 !important;
        height: auto !important;
        min-height: auto !important;
        box-shadow: var(--shadow-sm) !important;
      }

      .news-spotlight-left-card .news-featured-img-wrap,
      .news-spotlight-right-card .news-card-img-wrap,
      .news-card .news-card-img-wrap {
        width: 100px !important;
        height: 100px !important;
        min-height: 100px !important;
        max-height: 100px !important;
        flex-shrink: 0 !important;
        border-radius: 0 !important;
        margin: 0 !important;
      }

      .news-featured-img,
      .news-card-img {
        height: 100% !important;
        width: 100% !important;
        background-size: cover !important;
        background-position: center !important;
      }

      .news-spotlight-left-card .news-card-content,
      .news-spotlight-right-card .news-card-content,
      .news-card .news-card-content {
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        gap: 4px !important;
        flex-grow: 1 !important;
        min-width: 0 !important;
      }

      .news-spotlight-left-card .news-title,
      .news-spotlight-right-card .news-card-title,
      .news-card .news-card-title {
        font-size: 0.85rem !important;
        font-weight: 750 !important;
        line-height: 1.35 !important;
        margin: 0 0 2px 0 !important;
        color: var(--text-dark) !important;
        display: -webkit-box !important;
        -webkit-line-clamp: 2 !important;
        line-clamp: 2 !important;
        -webkit-box-orient: vertical !important;
        overflow: hidden !important;
      }

      .news-spotlight-left-card .news-title a,
      .news-spotlight-right-card .news-card-title a,
      .news-card .news-card-title a {
        color: var(--text-dark) !important;
      }

      .news-spotlight-left-card .news-summary,
      .news-card .news-card-summary,
      .spotlight-main-desc,
      .grid-item-desc,
      .portal-middle-desc,
      .editorial-main-summary,
      .press-summary {
        display: none !important;
      }

      .news-spotlight-left-card a[style*="color: var(--primary-red)"] {
        display: none !important;
      }

      .news-meta {
        font-size: 0.68rem !important;
        margin-bottom: 0 !important;
        gap: 8px !important;
      }

      .category-badge {
        font-size: 0.62rem !important;
        padding: 1px 5px !important;
        margin-bottom: 2px !important;
      }
    }

    /* =============================================================
       TIN TỨC & SỰ KIỆN - REDESIGNED LIST LAYOUT
       ============================================================= */
    #newsListPage {
      display: flex !important;
      flex-direction: column !important;
      gap: 30px !important;
      width: 100% !important;
    }

    /* ==========================================
       CATEGORY NEWS LAYOUT (Báo chí chuyên mục)
       ========================================== */
    /* Vùng Spotlight ở trên đầu chuyên mục */
    .category-spotlight-section {
      display: grid;
      grid-template-columns: 6.5fr 3.5fr;
      gap: 24px;
      width: 100%;
    }

    /* Tin tiêu điểm chính của chuyên mục (Cột trái) */
    .category-spotlight-main {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s ease;
      cursor: pointer;
      width: 100%;
    }
    .category-spotlight-main:hover {
      box-shadow: var(--shadow-sm);
    }
    .spotlight-main-img-wrap {
      width: 100%;
      height: 340px;
      overflow: hidden;
      position: relative;
    }
    .spotlight-main-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      border-radius: 0 !important;
    }
    .category-spotlight-main:hover .spotlight-main-img-wrap img {
      transform: scale(1.03);
    }
    .spotlight-main-content {
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      text-align: left;
    }
    .spotlight-main-title {
      font-size: 1.4rem;
      font-weight: 800;
      line-height: 1.4;
      margin: 0;
    }
    .spotlight-main-title a {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .spotlight-main-title a:hover {
      color: var(--primary-red);
    }
    .spotlight-main-meta {
      font-size: 0.8rem;
      color: #64748b;
      display: flex;
      gap: 16px;
      align-items: center;
    }
    .spotlight-main-desc {
      font-size: 0.92rem;
      color: #475569;
      line-height: 1.5;
      margin: 0;
    }

    /* Cột phải: 2 tin tiêu điểm phụ */
    .category-spotlight-sub-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .category-spotlight-sub-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s ease;
      cursor: pointer;
      overflow: hidden;
      flex: 1;
      width: 100%;
    }
    .category-spotlight-sub-item:hover {
      box-shadow: var(--shadow-sm);
    }
    .spotlight-sub-img-wrap {
      width: 100%;
      height: 140px;
      overflow: hidden;
      position: relative;
    }
    .spotlight-sub-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      border-radius: 0 !important;
    }
    .category-spotlight-sub-item:hover .spotlight-sub-img-wrap img {
      transform: scale(1.05);
    }
    .spotlight-sub-content {
      padding: 12px;
      display: flex;
      flex-direction: column;
      gap: 6px;
      text-align: left;
    }
    .spotlight-sub-title {
      font-size: 0.95rem;
      font-weight: 700;
      line-height: 1.4;
      margin: 0;
    }
    .spotlight-sub-title a {
      color: var(--text-dark);
      text-decoration: none;
    }
    .spotlight-sub-title a:hover {
      color: var(--primary-red);
    }
    .spotlight-sub-meta {
      font-size: 0.75rem;
      color: #64748b;
      display: flex;
      gap: 12px;
      align-items: center;
    }

    /* Lưới các tin tức còn lại bên dưới */
    .category-grid-section {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      width: 100%;
    }
    .category-grid-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      display: flex;
      flex-direction: column;
      transition: transform 0.2s ease;
      cursor: pointer;
      overflow: hidden;
      width: 100%;
    }
    .category-grid-item:hover {
      box-shadow: var(--shadow-sm);
    }
    .grid-item-img-wrap {
      width: 100%;
      height: 180px;
      overflow: hidden;
      position: relative;
    }
    .grid-item-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      border-radius: 0 !important;
    }
    .category-grid-item:hover .grid-item-img-wrap img {
      transform: scale(1.05);
    }
    .grid-item-content {
      padding: 14px;
      display: flex;
      flex-direction: column;
      gap: 8px;
      text-align: left;
    }
    .grid-item-title {
      font-size: 0.92rem;
      font-weight: 700;
      line-height: 1.4;
      margin: 0;
    }
    .grid-item-title a {
      color: var(--text-dark);
      text-decoration: none;
    }
    .grid-item-title a:hover {
      color: var(--primary-red);
    }
    .grid-item-meta {
      font-size: 0.75rem;
      color: #64748b;
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .grid-item-desc {
      font-size: 0.82rem;
      color: #556b82;
      line-height: 1.45;
      margin: 0;
    }

    /* Nút Play video hoặc biểu tượng video đè lên ảnh đại diện chuyên mục */
    .category-video-indicator {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 46px;
      height: 46px;
      background-color: rgba(220, 38, 38, 0.9);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 1.15rem;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      pointer-events: none;
      z-index: 2;
    }
    .category-video-indicator-small {
      position: absolute;
      bottom: 6px;
      right: 6px;
      width: 24px;
      height: 24px;
      background-color: rgba(220, 38, 38, 0.9);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 0.7rem;
      box-shadow: 0 1px 3px rgba(0,0,0,0.3);
      pointer-events: none;
      z-index: 2;
    }

    /* RESPONSIVE CHO CHUYÊN MỤC */
    @media (max-width: 992px) {
      .category-spotlight-section {
        grid-template-columns: 1fr;
        gap: 16px;
      }
      .category-grid-section {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .category-spotlight-sub-list {
        flex-direction: row;
        gap: 16px;
      }
      .category-spotlight-sub-item {
        flex: 1;
      }
    }

    @media (max-width: 576px) {
      .category-spotlight-sub-list {
        flex-direction: column;
      }
      .category-grid-section {
        grid-template-columns: 1fr;
      }
      .spotlight-main-img-wrap {
        height: 200px;
      }
      .grid-item-img-wrap {
        height: 160px;
      }
    }

    /* Sticky header styles for desktop when scrolled */
    @media (min-width: 769px) {
      body.header-scrolled {
        padding-top: 140px !important;
      }
      
      body.header-scrolled header.site-header {
        position: fixed !important;
        top: 0;
        left: 0;
        width: 100% !important;
        z-index: 1001;
        background: #ffffff !important;
        color: var(--text-dark);
        min-height: 56px !important;
        height: 56px !important;
        padding: 0 24px !important;
        border-bottom: 1px solid var(--border-color) !important;
        display: flex !important;
        align-items: center !important;
        box-shadow: var(--shadow-sm);
        transition: all 0.3s ease;
      }

      body.header-scrolled .header-container {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        width: 100% !important;
        max-width: 1200px !important;
        padding: 0 !important;
        gap: 0 !important;
      }

      body.header-scrolled .header-mobile-btn {
        display: flex !important;
        align-items: center;
        justify-content: center;
        background: none;
        border: none;
        color: var(--primary-red) !important;
        font-size: 1.35rem;
        cursor: pointer;
        width: 40px;
        height: 40px;
        padding: 0;
        transition: var(--transition);
        text-decoration: none;
      }

      body.header-scrolled .header-mobile-btn:hover {
        color: var(--primary-red-hover) !important;
      }

      body.header-scrolled .header-logo-wrap {
        flex: 1;
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
        width: auto !important;
      }

      body.header-scrolled .site-logo {
        max-height: 38px !important;
        width: auto !important;
      }

      body.header-scrolled .header-center-text,
      body.header-scrolled .header-embellishments {
        display: none !important;
      }

      /* Hide the regular sticky navigation bar or make it slide down from the sticky header */
      body.header-scrolled nav {
        position: fixed !important;
        top: 56px !important;
        left: 0;
        width: 100% !important;
        z-index: 1000;
        background: transparent !important;
        box-shadow: none !important;
        height: 0 !important;
      }

      body.header-scrolled .nav-container {
        padding: 0 !important;
        background: transparent !important;
        justify-content: center !important;
      }

      body.header-scrolled .nav-mobile-btn {
        display: none !important;
      }

      body.header-scrolled .nav-actions {
        display: none !important;
      }

      @keyframes slideInLeft {
        from { transform: translateX(-100%); }
        to { transform: translateX(0); }
      }

      @media (min-width: 993px) {
      body.header-scrolled .nav-menu {
        display: none;
        flex-direction: column;
        align-items: stretch !important;
        width: 320px !important;
        position: fixed !important;
        top: 56px !important;
        left: 0 !important;
        bottom: 0 !important;
        background: var(--primary-red-dark) !important;
        box-shadow: 5px 0 15px rgba(0, 0, 0, 0.15);
        border-right: 1px solid rgba(255, 255, 255, 0.1) !important;
        border-radius: 0 !important;
        padding: 16px 0;
        overflow: visible !important;
        z-index: 1000;
      }

      body.header-scrolled .nav-menu.open {
        display: flex;
        animation: slideInLeft 0.25s cubic-bezier(0.4, 0, 0.2, 1) forwards;
      }

      body.header-scrolled .nav-menu li {
        width: 100% !important;
        display: block !important;
      }

      body.header-scrolled .nav-menu li a {
        padding: 12px 24px !important;
        border-left: none !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
        justify-content: flex-start !important;
        align-items: center !important;
        display: flex !important;
        width: 100% !important;
        gap: 12px !important;
        color: #ffffff !important;
        text-align: left !important;
      }

      body.header-scrolled .nav-menu li.dropdown > a {
        justify-content: space-between !important;
      }

      body.header-scrolled .nav-menu li.dropdown > a i {
        transform: rotate(-90deg) !important;
        margin-left: auto !important;
        transition: transform 0.2s ease !important;
        display: flex !important;
      }

      body.header-scrolled .nav-menu li a:hover {
        color: #fff500 !important;
        background: var(--primary-red-hover) !important;
        padding-left: 28px !important;
      }

      body.header-scrolled .nav-menu li:last-child a {
        border-bottom: none;
      }

      body.header-scrolled .nav-menu li.dropdown {
        position: relative !important;
        width: 100%;
      }

      body.header-scrolled .dropdown-menu {
        position: absolute !important;
        top: 0 !important;
        left: 100% !important;
        background: var(--primary-red-dark) !important;
        min-width: 240px !important;
        width: 240px !important;
        box-shadow: 5px 5px 15px rgba(0, 0, 0, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.1) !important;
        border-left: none !important;
        border-radius: 0 8px 8px 0 !important;
        padding: 8px 0 !important;
        margin: 0 !important;
        display: block !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transform: translateX(-10px) !important;
        transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
        z-index: 1002 !important;
      }

      body.header-scrolled .nav-menu li.dropdown:hover .dropdown-menu,
      body.header-scrolled .nav-menu li.dropdown.open-mobile .dropdown-menu {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateX(0) !important;
      }

      /* Keep the last submenu fully inside the viewport when the desktop nav
         becomes a fixed sidebar after scrolling. */
      body.header-scrolled #nav-more > .dropdown-menu {
        top: auto !important;
        bottom: 0 !important;
        max-height: calc(100vh - 72px) !important;
        overflow-y: auto !important;
        overscroll-behavior: contain;
      }

      body.header-scrolled .dropdown-menu li a {
        padding: 10px 20px !important;
        font-size: 0.85rem !important;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05) !important;
        justify-content: flex-start !important;
        white-space: normal !important;
        text-align: left !important;
        color: #ffffff !important;
      }

      body.header-scrolled .dropdown-menu li a:hover {
        padding-left: 26px !important;
        color: #fff500 !important;
        background: rgba(255, 255, 255, 0.1) !important;
      }

      /* Hide dropdown arrows in horizontal desktop navigation bar */
      body:not(.header-scrolled) .nav-menu li.dropdown > a i {
        display: none !important;
      }
      }
    }

    /* ==========================================================================
       CHUYÊN MỤC RADIO LÝ LUẬN TRẺ (PODCAST PLAYER)
       ========================================================================== */
    .radio-new-layout {
      display: flex;
      flex-direction: column;
      gap: 30px;
      margin-top: 20px;
    }

    /* Sleek Horizontal Player Hero Card */
    .radio-hero-player-card {
      background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
      border: 1px solid rgba(211, 0, 0, 0.12);
      border-left: 6px solid var(--primary-red);
      border-radius: 16px;
      padding: 30px;
      box-shadow: 0 10px 30px -5px rgba(15, 23, 42, 0.08);
      display: flex;
      flex-direction: column;
      gap: 24px;
      transition: all 0.3s ease;
    }

    .radio-player-main-info {
      display: flex;
      gap: 28px;
      align-items: flex-start;
    }

    .radio-player-banner {
      width: 240px;
      height: 160px;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 8px 20px rgba(15, 23, 42, 0.1);
      flex-shrink: 0;
    }

    .radio-player-banner img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

    .radio-player-banner:hover img {
      transform: scale(1.05);
    }

    .radio-player-details {
      flex: 1;
      display: flex;
      flex-direction: column;
      gap: 8px;
      min-width: 0;
    }

    .radio-player-meta {
      display: flex;
      gap: 20px;
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 500;
    }

    .radio-player-meta i {
      color: var(--primary-red);
    }

    .radio-title-text {
      font-size: 1.45rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin: 0;
      font-family: var(--font-title);
      letter-spacing: -0.5px;
    }

    .radio-summary-text {
      font-size: 0.95rem;
      color: #475569;
      line-height: 1.6;
      margin: 0;
      white-space: pre-wrap;
      max-height: 120px;
      overflow-y: auto;
      padding-right: 8px;
    }

    .radio-summary-text::-webkit-scrollbar {
      width: 5px;
    }
    .radio-summary-text::-webkit-scrollbar-track {
      background: rgba(0, 0, 0, 0.02);
    }
    .radio-summary-text::-webkit-scrollbar-thumb {
      background: rgba(211, 0, 0, 0.2);
      border-radius: 4px;
    }

    /* Custom HTML5 Audio Controls UI */
    .custom-audio-controls {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.8);
      border-radius: 12px;
      padding: 20px;
      display: flex;
      flex-direction: column;
      gap: 16px;
      box-shadow: inset 0 2px 4px rgba(15, 23, 42, 0.01);
    }

    .scrubber-container {
      display: flex;
      align-items: center;
      gap: 16px;
    }

    .time-display {
      font-size: 0.82rem;
      font-weight: 700;
      color: #475569;
      font-variant-numeric: tabular-nums;
      min-width: 40px;
    }

    /* Range Inputs styling */
    .custom-slider {
      -webkit-appearance: none;
      appearance: none;
      width: 100%;
      height: 6px;
      background: #cbd5e1;
      border-radius: 3px;
      outline: none;
      cursor: pointer;
      transition: background 0.3s;
    }

    .progress-slider {
      flex: 1;
    }

    .custom-slider:hover {
      background: #94a3b8;
    }

    .custom-slider::-webkit-slider-thumb {
      -webkit-appearance: none;
      appearance: none;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary-red);
      cursor: pointer;
      transition: transform 0.1s, background 0.1s;
    }

    .custom-slider::-webkit-slider-thumb:hover {
      transform: scale(1.3);
      background: var(--primary-red-hover);
    }

    .custom-slider::-moz-range-thumb {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--primary-red);
      cursor: pointer;
      border: none;
      transition: transform 0.1s, background 0.1s;
    }

    .custom-slider::-moz-range-thumb:hover {
      transform: scale(1.3);
      background: var(--primary-red-hover);
    }

    .controls-buttons-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 15px;
    }

    /* Volume container styling */
    .volume-container {
      display: flex;
      align-items: center;
      gap: 10px;
      flex: 1;
      max-width: 150px;
      min-width: 120px;
      flex-shrink: 0;
    }

    .volume-slider {
      height: 4px;
    }

    /* Center controls buttons */
    .playback-center-controls {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-shrink: 0;
    }

    .ctrl-btn {
      background: none;
      border: none;
      color: #64748b;
      cursor: pointer;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 38px;
      height: 38px;
      border-radius: 50%;
      transition: all 0.2s ease;
      position: relative;
    }

    .ctrl-btn:hover {
      color: var(--primary-red);
      background: rgba(211, 0, 0, 0.05);
    }

    .play-pause-main-btn {
      background: var(--primary-red);
      color: #ffffff;
      width: 54px;
      height: 54px;
      border-radius: 50%;
      font-size: 1.3rem;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: none !important;
      transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .play-pause-main-btn:hover {
      background: var(--primary-red-hover);
      transform: scale(1.05);
      box-shadow: none !important;
    }

    .btn-number-label {
      font-size: 0.62rem;
      font-weight: 800;
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      margin-top: 1px;
      color: #64748b;
      pointer-events: none;
    }

    .ctrl-btn:hover .btn-number-label {
      color: var(--primary-red);
    }

    /* Speed indicator */
    .speed-control-container {
      display: flex;
      justify-content: flex-end;
      flex: 1;
      max-width: 150px;
      min-width: 120px;
      flex-shrink: 0;
    }

    .speed-toggle-btn {
      font-size: 0.8rem;
      font-weight: 700;
      border: 1px solid #cbd5e1;
      border-radius: 20px;
      padding: 6px 14px;
      color: #475569;
      background: #ffffff;
      cursor: pointer;
      white-space: nowrap;
      flex-shrink: 0;
      transition: all 0.2s ease;
    }

    .speed-toggle-btn:hover {
      border-color: var(--primary-red);
      color: var(--primary-red);
      background: rgba(211, 0, 0, 0.02);
    }

    /* EPISODES PANEL UNDERNEATH */
    .radio-episodes-panel {
      background: #ffffff;
      border: 1px solid #e2e8f0;
      border-radius: 16px;
      padding: 24px;
      display: flex;
      flex-direction: column;
    }

    .episodes-panel-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #0f172a;
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 12px;
      margin-bottom: 20px;
      font-family: var(--font-title);
    }

    .episodes-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
    }

    .no-episodes {
      text-align: center;
      padding: 50px 20px;
      color: var(--text-muted);
      font-size: 0.95rem;
    }

    .episode-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 16px 20px;
      border-radius: 16px;
      border: 1px solid rgba(226, 232, 240, 0.8);
      background: #ffffff;
      cursor: pointer;
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .episode-item:hover {
      background: #f8fafc;
      border-color: rgba(211, 0, 0, 0.18);
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
    }

    .episode-item.active {
      border-color: rgba(211, 0, 0, 0.25);
      background: var(--primary-red-light);
    }

    .episode-item-thumb {
      width: 110px;
      height: 70px;
      border-radius: 10px;
      overflow: hidden;
      position: relative;
      flex-shrink: 0;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
    }

    .episode-item-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    .play-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.4);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.2s;
    }

    .play-overlay i {
      color: #ffffff;
      font-size: 1.2rem;
    }

    .episode-item:hover .play-overlay,
    .episode-item.active .play-overlay {
      opacity: 1;
    }

    .episode-item-info {
      display: flex;
      flex-direction: column;
      justify-content: center;
      flex: 1;
      min-width: 0;
    }

    .episode-item-title {
      font-size: 1.05rem;
      font-weight: 700;
      color: #1e293b;
      margin-bottom: 6px;
      line-height: 1.4;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color 0.2s;
    }

    .episode-item:hover .episode-item-title {
      color: var(--primary-red);
    }

    .episode-item.active .episode-item-title {
      color: var(--primary-red-dark);
    }

    .episode-item-meta {
      display: flex;
      gap: 16px;
      font-size: 0.8rem;
      color: #64748b;
      font-weight: 500;
    }

    .episode-item-meta i {
      margin-right: 4px;
    }

    .episode-item.playing .episode-item-thumb img {
      filter: brightness(0.8);
    }

    .episode-item.playing .play-overlay {
      opacity: 1;
    }

    /* RESPONSIVE BREAKPOINTS FOR RADIO */
    @media (max-width: 768px) {
      .radio-new-layout {
        gap: 16px !important;
      }
      .radio-hero-player-card {
        padding: 16px !important;
        gap: 16px !important;
        border-left-width: 4px !important;
      }
      .radio-player-main-info {
        display: grid !important;
        grid-template-columns: 110px 1fr !important;
        gap: 12px !important;
        align-items: center !important;
        text-align: left !important;
      }
      .radio-player-banner {
        grid-column: 1 !important;
        grid-row: 1 / span 2 !important;
        width: 110px !important;
        height: 70px !important;
        border-radius: 8px !important;
        margin-bottom: 0 !important;
      }
      .radio-player-details {
        display: contents !important;
      }
      .radio-player-meta {
        grid-column: 2 !important;
        grid-row: 1 !important;
        justify-content: flex-start !important;
        font-size: 0.75rem !important;
        gap: 10px !important;
        margin: 0 !important;
      }
      .radio-title-text {
        grid-column: 2 !important;
        grid-row: 2 !important;
        font-size: 0.95rem !important;
        font-weight: 700 !important;
        line-height: 1.3 !important;
      }
      .radio-summary-text {
        grid-column: 1 / span 2 !important;
        grid-row: 3 !important;
        font-size: 0.82rem !important;
        line-height: 1.5 !important;
        max-height: 90px !important;
        margin-top: 4px !important;
        padding-right: 4px !important;
      }
      .custom-audio-controls {
        padding: 12px !important;
        gap: 12px !important;
      }
      .scrubber-container {
        gap: 8px !important;
      }
      .time-display {
        font-size: 0.75rem !important;
        min-width: 32px !important;
      }
      .controls-buttons-bar {
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        gap: 8px !important;
      }
      .volume-container {
        width: auto !important;
        max-width: unset !important;
        min-width: unset !important;
        flex: unset !important;
        justify-content: flex-start !important;
      }
      .volume-container .volume-slider {
        display: none !important; /* Hide slider on mobile to save space */
      }
      .playback-center-controls {
        order: unset !important;
        gap: 12px !important;
      }
      .ctrl-btn {
        width: 32px !important;
        height: 32px !important;
      }
      .btn-number-label {
        font-size: 0.58rem !important;
      }
      .play-pause-main-btn {
        width: 44px !important;
        height: 44px !important;
        font-size: 1.1rem !important;
        box-shadow: none !important; !important;
      }
      .speed-control-container {
        width: auto !important;
        max-width: unset !important;
        min-width: unset !important;
        flex: unset !important;
        justify-content: flex-end !important;
      }
      .speed-toggle-btn {
        padding: 4px 10px !important;
        font-size: 0.75rem !important;
      }
      .radio-episodes-panel {
        padding: 16px !important;
        border-radius: 12px !important;
      }
      .episodes-panel-title {
        font-size: 1.1rem !important;
        margin-bottom: 14px !important;
        padding-bottom: 8px !important;
      }
      .episodes-list {
        gap: 10px !important;
      }
      .episode-item {
        flex-direction: row !important;
        align-items: center !important;
        gap: 12px !important;
        padding: 10px 12px !important;
        border-radius: 12px !important;
      }
      .episode-item-thumb {
        width: 90px !important;
        height: 56px !important;
        border-radius: 8px !important;
        aspect-ratio: unset !important;
      }
      .episode-item-info {
        align-items: stretch !important;
      }
      .episode-item-title {
        font-size: 0.88rem !important;
        margin-bottom: 4px !important;
      }
      .episode-item-meta {
        font-size: 0.75rem !important;
        gap: 10px !important;
      }
      
      /* Mobile optimization for Embedded Radio Player Card */
      .embedded-radio-card {
        padding: 12px !important;
        margin: 16px 0 !important;
      }
      .embedded-radio-footer {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        gap: 12px !important;
      }
      .embedded-radio-footer > div {
        justify-content: center !important;
        width: 100% !important;
      }
      .embedded-radio-btn {
        width: 100% !important;
        justify-content: center !important;
        box-sizing: border-box !important;
      }
    }

    /* =========================================
       RADIO LÝ LUẬN TRẺ - TRANG CHỦ (PREMIUM)
       ========================================= */

    .home-radio-section {
      background: linear-gradient(135deg, #0f172a 0%, #1e0a0a 55%, #2d0606 100%);
      border-radius: 20px;
      overflow: hidden;
      box-shadow: 0 20px 60px rgba(0,0,0,0.35);
      border: 1px solid rgba(211,0,0,0.2);
    }

    .home-radio-section-header {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 20px 28px;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      background: rgba(0,0,0,0.2);
    }

    .home-radio-section-branding {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }

    .home-radio-on-air-dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: #ef4444;
      box-shadow: 0 0 0 3px rgba(239,68,68,0.3);
      animation: radio-pulse 1.5s ease-in-out infinite;
      flex-shrink: 0;
    }

    @keyframes radio-pulse {
      0%, 100% { box-shadow: 0 0 0 3px rgba(239,68,68,0.3); }
      50% { box-shadow: 0 0 0 8px rgba(239,68,68,0.0); }
    }

    .home-radio-on-air-label {
      font-size: 0.68rem;
      font-weight: 900;
      color: #ef4444;
      letter-spacing: 2.5px;
      text-transform: uppercase;
    }

    .home-radio-waves {
      display: flex;
      align-items: center;
      gap: 2px;
      height: 22px;
      margin-left: 6px;
    }

    .home-radio-waves span {
      display: block;
      width: 3px;
      border-radius: 2px;
      background: #ef4444;
      animation: radio-wave-anim 1.2s ease-in-out infinite;
    }

    .home-radio-waves span:nth-child(1) { height: 8px;  animation-delay: 0s; }
    .home-radio-waves span:nth-child(2) { height: 16px; animation-delay: 0.15s; }
    .home-radio-waves span:nth-child(3) { height: 22px; animation-delay: 0.3s; }
    .home-radio-waves span:nth-child(4) { height: 14px; animation-delay: 0.45s; }
    .home-radio-waves span:nth-child(5) { height: 6px;  animation-delay: 0.6s; }

    @keyframes radio-wave-anim {
      0%, 100% { transform: scaleY(0.4); opacity: 0.45; }
      50% { transform: scaleY(1); opacity: 1; }
    }

    .home-radio-section-title {
      font-size: 1.3rem;
      font-weight: 800;
      color: #fff;
      margin: 0 0 3px;
      font-family: var(--font-title);
    }

    .home-radio-section-title i {
      color: #ef4444;
      margin-right: 8px;
    }

    .home-radio-section-sub {
      font-size: 0.8rem;
      color: rgba(255,255,255,0.5);
      margin: 0;
    }

    .home-radio-section-btn {
      margin-left: auto;
      background: linear-gradient(135deg, #d30000 0%, #8b0000 100%);
      color: #fff !important;
      text-decoration: none;
      padding: 10px 22px;
      border-radius: 24px;
      font-size: 0.85rem;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
      white-space: nowrap;
      flex-shrink: 0;
      box-shadow: none !important;
      transition: transform 0.2s, box-shadow 0.2s;
    }

    .home-radio-section-btn:hover {
      transform: translateY(-2px);
      box-shadow: none !important;
    }

    /* Content grid */
    .home-radio-grid {
      display: grid;
      grid-template-columns: 1fr 340px;
      min-height: 320px;
    }

    @media (max-width: 900px) {
      .home-radio-grid { grid-template-columns: 1fr; }
      .home-radio-section-header { flex-wrap: wrap; gap: 12px; }
      .home-radio-section-btn { margin-left: 0; }
    }

    /* Featured card */
    .radio-home-featured {
      position: relative;
      overflow: hidden;
      cursor: pointer;
      min-height: 320px;
    }

    .radio-home-featured-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      transition: transform 0.5s ease;
    }

    .radio-home-featured:hover .radio-home-featured-bg {
      transform: scale(1.05);
    }

    .radio-home-featured-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(0,0,0,0.93) 0%, rgba(0,0,0,0.45) 55%, rgba(0,0,0,0.12) 100%);
    }

    .radio-home-featured-content {
      position: relative;
      z-index: 2;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      padding: 24px 28px;
      min-height: 320px;
    }

    .radio-home-featured-badge {
      background: rgba(211,0,0,0.85);
      color: #fff;
      font-size: 0.7rem;
      font-weight: 800;
      padding: 5px 14px;
      border-radius: 20px;
      letter-spacing: 1px;
      text-transform: uppercase;
      backdrop-filter: blur(6px);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }

    .radio-home-featured-middle {
      display: flex;
      justify-content: center;
      align-items: center;
      flex: 1;
    }

    .radio-home-featured-play {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      background: rgba(211,0,0,0.88);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1.5rem;
      padding-left: 5px;
      box-shadow: 0 0 0 14px rgba(211,0,0,0.18), 0 8px 30px rgba(211,0,0,0.55);
      transition: transform 0.25s, box-shadow 0.25s;
    }

    .radio-home-featured:hover .radio-home-featured-play {
      transform: scale(1.12);
      box-shadow: 0 0 0 20px rgba(211,0,0,0.12), 0 12px 40px rgba(211,0,0,0.65);
    }

    .radio-home-featured-title {
      font-size: 1.18rem;
      font-weight: 800;
      color: #fff;
      margin: 0 0 10px;
      line-height: 1.4;
      text-shadow: 0 2px 10px rgba(0,0,0,0.6);
      font-family: var(--font-title);
    }

    .radio-home-featured-meta {
      display: flex;
      gap: 18px;
      font-size: 0.8rem;
      color: rgba(255,255,255,0.6);
      margin-bottom: 10px;
    }

    .radio-home-featured-meta i { margin-right: 4px; }

    .radio-home-featured-summary {
      font-size: 0.85rem;
      color: rgba(255,255,255,0.5);
      margin: 0;
      line-height: 1.55;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* Side list */
    .radio-home-side-list {
      display: flex;
      flex-direction: column;
      border-left: 1px solid rgba(255,255,255,0.06);
    }

    .radio-home-side-item {
      display: flex;
      cursor: pointer;
      transition: background 0.2s;
      border-bottom: 1px solid rgba(255,255,255,0.05);
      flex: 1;
      overflow: hidden;
    }

    .radio-home-side-item:last-child { border-bottom: none; }

    .radio-home-side-item:hover { background: rgba(255,255,255,0.05); }

    .radio-home-side-thumb {
      position: relative;
      width: 120px;
      flex-shrink: 0;
      overflow: hidden;
    }

    .radio-home-side-img {
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      transition: transform 0.35s;
    }

    .radio-home-side-item:hover .radio-home-side-img { transform: scale(1.08); }

    .radio-home-side-play-mask {
      position: absolute;
      inset: 0;
      background: rgba(0,0,0,0.5);
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: 0;
      transition: opacity 0.25s;
    }

    .radio-home-side-item:hover .radio-home-side-play-mask { opacity: 1; }

    .radio-home-side-play-mask i {
      background: var(--primary-red);
      width: 36px;
      height: 36px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      padding-left: 3px;
      font-size: 0.9rem;
      box-shadow: none !important;
    }

    .radio-home-side-info {
      padding: 14px 16px;
      display: flex;
      flex-direction: column;
      gap: 5px;
      flex: 1;
      overflow: hidden;
    }

    .radio-home-side-ep {
      font-size: 0.67rem;
      font-weight: 800;
      color: #ef4444;
      text-transform: uppercase;
      letter-spacing: 1.2px;
    }

    .radio-home-side-title {
      font-size: 0.88rem;
      font-weight: 700;
      color: #f1f5f9;
      margin: 0;
      line-height: 1.4;
      font-family: var(--font-title);
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
      transition: color 0.2s;
    }

    .radio-home-side-item:hover .radio-home-side-title { color: #fca5a5; }

    .radio-home-side-meta {
      display: flex;
      gap: 10px;
      font-size: 0.72rem;
      color: rgba(255,255,255,0.38);
    }

    .radio-home-side-meta i { margin-right: 3px; }

    .radio-home-side-summary {
      font-size: 0.78rem;
      color: rgba(255,255,255,0.32);
      margin: 0;
      line-height: 1.5;
      display: -webkit-box;
      -webkit-line-clamp: 2;
      line-clamp: 2;
      -webkit-box-orient: vertical;
      overflow: hidden;
    }

    /* ==========================================
       PORTAL 3-COLUMN HERO GRID STYLE (Báo chí hiện đại)
       ========================================== */
    .home-portal-grid {
      display: grid;
      grid-template-columns: 3.1fr 5.8fr 3.1fr;
      gap: 20px;
      margin-bottom: 30px;
      height: auto; /* Chiều cao tự động theo nội dung */
    }

    .portal-col {
      background: var(--bg-white);
      border-radius: 0 !important; /* Góc vuông sắc cạnh */
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
    }

    /* Cột trái: Tin mới cập nhật */
    .portal-col-left {
      padding: 16px;
      gap: 16px;
    }
    .portal-section-title {
      font-family: var(--font-title);
      font-weight: 800;
      font-size: 1.05rem;
      color: var(--primary-red);
      border-bottom: 2px solid var(--primary-red);
      padding-bottom: 6px;
      margin-bottom: 8px;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .portal-left-list {
      display: flex;
      flex-direction: column;
      gap: 16px;
      flex: 1;
      overflow: hidden;
    }
    .portal-left-item {
      display: flex;
      flex-direction: column; /* Ảnh ở trên, tiêu đề ở dưới */
      gap: 8px;
      padding-bottom: 12px;
      border-bottom: 1px solid #f1f5f9;
      height: auto !important;
      overflow: visible;
    }
    .portal-left-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }
    .portal-left-img-wrapper {
      width: 100% !important;
      height: 150px !important;
      border-radius: 0 !important; /* Không bo góc */
      overflow: hidden;
      position: relative;
      flex-shrink: 0;
      box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    }
    .portal-left-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.3s ease;
      border-radius: 0 !important;
    }
    .portal-left-item:hover .portal-left-img-wrapper img {
      transform: scale(1.08);
    }
    .portal-left-info {
      display: flex;
      flex-direction: column;
      gap: 4px;
      flex: 1;
    }
    .portal-left-title {
      font-size: 0.9rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 4px;
      display: block; /* Hiển thị đầy đủ */
      overflow: visible;
    }
    .portal-left-title a {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .portal-left-title a:hover {
      color: var(--primary-red);
    }
    .portal-left-meta {
      font-size: 0.72rem;
      color: #64748b;
      display: flex;
      align-items: center;
      gap: 4px;
    }

    /* Cột giữa: Tiêu điểm */
    .portal-col-middle {
      display: flex;
      flex-direction: column;
    }
    .portal-middle-img-wrapper {
      width: 100%;
      height: 270px;
      position: relative;
      overflow: hidden;
      border-radius: 0 !important; /* Không bo góc */
    }
    .portal-middle-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
      border-radius: 0 !important;
    }
    .portal-col-middle:hover .portal-middle-img-wrapper img {
      transform: scale(1.04);
    }
    .portal-middle-content {
      padding: 16px;
      display: flex;
      flex-direction: column;
      flex: 1;
      justify-content: flex-start;
      overflow: visible;
    }
    .portal-middle-badge-row {
      margin-bottom: 8px;
      display: flex;
      justify-content: center;
    }
    .portal-middle-title {
      font-size: 1.3rem;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 8px;
      display: block; /* Hiển thị đầy đủ */
      overflow: visible;
      text-align: center;
    }
    .portal-middle-title a {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .portal-middle-title a:hover {
      color: var(--primary-red);
    }
    .portal-middle-meta {
      font-size: 0.78rem;
      color: #64748b;
      margin-bottom: 8px;
      display: flex;
      gap: 12px;
      align-items: center;
      justify-content: center;
    }
    .portal-middle-desc {
      font-size: 0.9rem;
      color: #475569;
      line-height: 1.5;
      display: block; /* Hiển thị đầy đủ */
      overflow: visible;
      margin-top: 4px;
      text-align: center;
    }

    /* Cột phải: Tin nổi bật */
    .portal-col-right {
      padding: 16px;
      display: flex;
      flex-direction: column;
    }
    .portal-right-list {
      display: flex;
      flex-direction: column;
      gap: 8px;
      flex: 1;
      overflow-y: visible; /* Cho giãn tự nhiên, không cuộn */
    }
    .portal-right-item {
      display: flex;
      gap: 12px;
      align-items: flex-start;
      padding: 8px 6px;
      border-bottom: 1px solid #f1f5f9;
      border-radius: 0 !important; /* Không bo góc */
      transition: background-color 0.2s ease;
    }
    .portal-right-item:hover {
      background-color: var(--primary-red-light);
    }
    .portal-right-item:last-child {
      border-bottom: none;
    }
    .portal-right-num {
      width: 24px;
      height: 24px;
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.85rem;
      font-weight: 800;
      flex-shrink: 0;
    }
    .portal-right-num-1 {
      background-color: var(--primary-red);
      color: #ffffff;
    }
    .portal-right-num-2 {
      background-color: #f97316;
      color: #ffffff;
    }
    .portal-right-num-3 {
      background-color: #eab308;
      color: #ffffff;
    }
    .portal-right-num-other {
      background-color: #cbd5e1;
      color: #475569;
    }
    .portal-right-info {
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .portal-right-title {
      font-size: 0.88rem;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 2px;
      display: block; /* Hiển thị đầy đủ */
      overflow: visible;
    }
    .portal-right-title a {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .portal-right-title a:hover {
      color: var(--primary-red);
    }
    .portal-right-meta {
      font-size: 0.72rem;
      color: #64748b;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    /* Nút Play video hoặc biểu tượng video đè lên ảnh đại diện */
    .video-play-indicator {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 44px;
      height: 44px;
      background-color: rgba(220, 38, 38, 0.9);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(0,0,0,0.3);
      transition: transform 0.2s, background-color 0.2s;
      pointer-events: none;
      z-index: 2;
    }
    .portal-middle-img-wrapper:hover .video-play-indicator {
      transform: translate(-50%, -50%) scale(1.1);
      background-color: rgba(220, 38, 38, 1);
    }
    .video-play-indicator-small {
      position: absolute;
      bottom: 4px;
      right: 4px;
      width: 22px;
      height: 22px;
      background-color: rgba(220, 38, 38, 0.9);
      border-radius: 0 !important; /* Không bo góc */
      display: flex;
      align-items: center;
      justify-content: center;
      color: #ffffff;
      font-size: 0.65rem;
      box-shadow: 0 1px 3px rgba(0,0,0,0.3);
      pointer-events: none;
      z-index: 2;
    }

    .portal-middle-other-list {
      margin-top: 20px;
      padding-top: 16px;
      border-top: 1px solid #e2e8f0;
      display: flex;
      flex-direction: column;
      gap: 16px;
      text-align: center;
    }
    .portal-middle-other-item {
      display: flex;
      flex-direction: column;
      gap: 4px;
      align-items: center;
    }
    .portal-middle-other-item::after {
      content: "";
      display: block;
      width: 80px;
      height: 1px;
      background-color: #cbd5e1;
      margin-top: 12px;
    }
    .portal-middle-other-item:last-child::after {
      display: none;
    }
    .portal-middle-other-title {
      font-size: 0.95rem;
      font-weight: 700;
      line-height: 1.4;
      color: var(--text-dark);
      margin: 0;
      padding: 0 10px;
    }
    .portal-middle-other-title a {
      color: var(--text-dark);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    .portal-middle-other-title a:hover {
      color: var(--primary-red);
    }
    .portal-middle-other-date {
      font-size: 0.75rem;
      color: #64748b;
    }

    /* RESPONSIVE LAYOUT */
    @media (max-width: 1024px) {
      .home-portal-grid {
        grid-template-columns: 6.2fr 3.8fr;
        height: auto;
      }
      .portal-col-left {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .home-portal-grid {
        grid-template-columns: 1fr;
        height: auto;
        gap: 16px;
      }
      .portal-col-left {
        display: flex;
        order: 2;
      }
      .portal-col-middle {
        order: 1;
      }
      .portal-col-right {
        order: 3;
      }
      .portal-middle-img-wrapper {
        height: 220px;
      }
      .portal-left-item {
        height: auto;
        padding-bottom: 8px;
      }
      .portal-right-item {
        padding: 8px 2px;
      }
    }

  /* Fix responsive cards for level 4 and 5 */
.org-level-4 .member-card, .org-level-5 .member-card {
  min-width: 0 !important;
  max-width: 100% !important;
  padding: 0 4px 12px 4px !important;
}
.org-level-4 .member-name, .org-level-5 .member-name {
  font-size: 0.9rem !important;
  margin-bottom: 4px !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  width: 100%;
}
.org-level-4 .member-role, .org-level-5 .member-role {
  font-size: 0.75rem !important;
  white-space: nowrap !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  width: 100%;
}
.org-level-4 .member-avatar, .org-level-5 .member-avatar {
  margin-bottom: 8px !important;
}
/* Fix height clipping for member cards in flex columns */
.member-card {
  flex: none !important;
  height: auto !important;
}
.org-sub-cards .member-card {
  flex: none !important;
  height: auto !important;
  min-height: min-content !important;
}

/* ==========================================================================
   REGISTRATION VIEW REDESIGN (PREMIUM UI/UX & SEMANTIC STYLING)
   ========================================================================== */
.registration-card {
  background: var(--bg-white);
  border-radius: 16px;
  box-shadow: 0 20px 40px -15px rgba(211, 0, 0, 0.08), 0 1px 3px rgba(0, 0, 0, 0.02), 0 0 0 1px rgba(211, 0, 0, 0.04);
  padding: 40px;
  margin-bottom: 30px;
  position: relative;
  overflow: hidden;
  border: none;
}

.registration-top-strip {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, var(--primary-red-dark) 0%, var(--primary-red) 50%, #ff4d4d 100%);
}

.registration-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
  padding-bottom: 12px;
}

.registration-icon-wrapper {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(220, 38, 38, 0.08);
  color: var(--primary-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: none !important;
  flex-shrink: 0;
}

.registration-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-red-dark);
  font-family: var(--font-title);
  letter-spacing: -0.3px;
  border: none !important;
  margin: 0 !important;
  padding: 0 !important;
}

.registration-welcome-banner {
  display: flex;
  background: #fff5f5;
  border-left: 3px solid var(--primary-red);
  border-radius: 0 8px 8px 0;
  padding: 12px 16px;
  margin-bottom: 20px;
}

.welcome-banner-icon {
  color: var(--primary-red);
  font-size: 1.25rem;
  padding-top: 2px;
  animation: pulseIcon 2s infinite ease-in-out;
  flex-shrink: 0;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.welcome-banner-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.6;
}

.welcome-banner-sub {
  display: block;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 8px;
  line-height: 1.5;
}

.form-section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 36px 0 24px 0;
  position: relative;
}

.form-section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, #cbd5e1 0%, rgba(203, 213, 225, 0.1) 100%);
}

.divider-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 800;
  box-shadow: none !important;
}

.divider-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--primary-red-dark);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

#registerView .form-group {
  margin-bottom: 22px;
}

#registerView .form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 8px;
  font-size: 0.88rem;
  color: #334155;
  letter-spacing: -0.1px;
}

#registerView .form-control {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  background: #f8fafc;
  color: var(--text-dark);
  transition: var(--transition);
}

#registerView textarea.form-control {
  height: auto;
  padding: 14px 16px;
  line-height: 1.6;
}

#registerView .form-control:hover {
  border-color: #cbd5e1;
  background: #f1f5f9;
}

#registerView .form-control:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 4px rgba(211, 0, 0, 0.08);
  background: #ffffff;
}

/* Custom Radio Group (Gender) */
.custom-radio-group {
  display: flex;
  gap: 12px;
  width: 100%;
}

.custom-radio-card {
  position: relative;
  flex: 1;
  cursor: pointer;
}

.custom-radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.custom-radio-card .radio-card-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 48px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  color: #475569;
  background: #f8fafc;
  transition: var(--transition);
}

.custom-radio-card:hover .radio-card-content {
  border-color: #cbd5e1;
  background: #f1f5f9;
}

.custom-radio-card input[type="radio"]:checked + .radio-card-content {
  border-color: var(--primary-red);
  background: var(--primary-red-light);
  color: var(--primary-red-dark);
  box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.04);
  font-weight: 700;
}

/* Custom Checkbox Group (Talents) */
.registration-fieldset {
  background: #f8fafc;
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  transition: var(--transition);
}

.registration-fieldset:focus-within {
  border-color: rgba(211, 0, 0, 0.2);
  background: #ffffff;
}

.registration-fieldset .section-subtitle {
  display: block;
  font-weight: 750;
  font-size: 0.95rem;
  color: var(--primary-red-dark);
  margin-bottom: 18px;
}

.registration-fieldset .label-note {
  font-weight: normal;
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-left: 4px;
}

.custom-checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.custom-checkbox-card {
  position: relative;
  cursor: pointer;
}

.custom-checkbox-card input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.custom-checkbox-card .checkbox-card-content {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 18px;
  border: 1.5px solid #e2e8f0;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #475569;
  background: #ffffff;
  transition: var(--transition);
  height: 100%;
}

.custom-checkbox-card:hover .checkbox-card-content {
  border-color: #cbd5e1;
  background: #f8fafc;
  transform: translateY(-1.5px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
}

.custom-checkbox-card input[type="checkbox"]:checked + .checkbox-card-content {
  border-color: var(--primary-red);
  background: var(--primary-red-light);
  color: var(--primary-red-dark);
  box-shadow: 0 0 0 3px rgba(211, 0, 0, 0.04);
  font-weight: 700;
}

.custom-checkbox-card input[type="checkbox"]:checked + .checkbox-card-content .icon-talent {
  color: var(--primary-red);
  transform: scale(1.15);
}

.icon-talent {
  font-size: 1.15rem;
  color: var(--text-muted);
  transition: var(--transition);
  width: 20px;
  text-align: center;
}

.other-talent-input {
  margin-top: 18px;
}

/* Zalo Group Box */
.registration-zalo-box {
  background: linear-gradient(135deg, #f0f7ff 0%, #e0f2fe 100%);
  border: 1.5px solid #bae6fd;
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 30px;
  box-shadow: 0 4px 15px rgba(2, 132, 199, 0.02);
}

.zalo-box-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.zalo-icon-circle {
  width: 36px;
  height: 36px;
  background: #0284c7;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.zalo-box-title {
  font-weight: 800;
  font-size: 1rem;
  color: #0369a1;
  text-transform: uppercase;
  letter-spacing: -0.1px;
}

.zalo-box-desc {
  font-size: 0.92rem;
  font-weight: 550;
  color: #334155;
  margin-bottom: 16px;
  line-height: 1.5;
}

.zalo-action-container {
  display: flex;
  justify-content: center;
  margin-bottom: 22px;
}

.zalo-join-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0284c7;
  color: #ffffff !important;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 12px 28px;
  border-radius: 30px;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
  transition: var(--transition);
}

.zalo-join-btn:hover {
  background: #0369a1;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(2, 132, 199, 0.25);
}

.zalo-confirm-section {
  border-top: 1px dashed rgba(2, 132, 199, 0.25);
  padding-top: 18px;
}

.zalo-confirm-label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: #0369a1;
  margin-bottom: 12px;
}

.zalo-radio-group {
  display: flex;
  gap: 12px;
}

.zalo-radio-card {
  position: relative;
  flex: 1;
  cursor: pointer;
}

.zalo-radio-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.zalo-radio-card .zalo-radio-card-content {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 42px;
  border: 1.5px solid #bae6fd;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #0369a1;
  background: rgba(255, 255, 255, 0.8);
  transition: var(--transition);
}

.zalo-radio-card:hover .zalo-radio-card-content {
  background: #ffffff;
  border-color: #38bdf8;
}

.zalo-radio-card input[type="radio"]:checked + .zalo-radio-card-content {
  background: #0284c7;
  color: #ffffff;
  border-color: #0284c7;
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.15);
  font-weight: 700;
}

/* Centered Submit Button Container */
.registration-submit-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 36px;
  width: 100%;
}

.registration-btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--primary-red-dark) 100%);
  color: #ffffff;
  padding: 12px 36px;
  border: none;
  border-radius: 30px;
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: 0 10px 25px -5px rgba(211, 0, 0, 0.25), 0 8px 10px -6px rgba(211, 0, 0, 0.25);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  width: auto;
  min-width: 220px;
}

.registration-btn-submit::after {
  content: '';
  position: absolute;
  top: 0;
  left: -50%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 0) 0%,
    rgba(255, 255, 255, 0.25) 50%,
    rgba(255, 255, 255, 0) 100%
  );
  transform: skewX(-25deg);
  transition: 0.75s;
  opacity: 0;
}

.registration-btn-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(211, 0, 0, 0.35), 0 10px 15px -6px rgba(211, 0, 0, 0.35);
}

.registration-btn-submit:hover::after {
  left: 125%;
  opacity: 1;
}

.registration-btn-submit:active {
  transform: translateY(-0.5px);
}

.registration-btn-submit:disabled {
  background: #cbd5e1;
  color: #94a3b8;
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

.registration-btn-submit i {
  transition: var(--transition);
}

.registration-btn-submit:hover i {
  transform: translate(3px, -3px);
}

@media (max-width: 768px) {
  .registration-card {
    padding: 20px 14px;
    margin-bottom: 20px;
    border-radius: 12px;
  }
  
  .registration-header {
    gap: 10px;
    margin-bottom: 20px;
    padding-bottom: 12px;
  }
  
  .registration-icon-wrapper {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
    border-radius: 8px;
  }

  .registration-title {
    font-size: 1.15rem;
    line-height: 1.3;
  }
  
  .registration-welcome-banner {
    padding: 14px;
    margin-bottom: 24px;
    gap: 10px;
  }

  .welcome-banner-icon {
    font-size: 1.1rem;
  }
  
  .welcome-banner-text {
    font-size: 0.88rem;
    line-height: 1.5;
  }

  .welcome-banner-sub {
    font-size: 0.8rem;
    margin-top: 4px;
  }

  .form-section-divider {
    margin: 24px 0 16px 0;
    gap: 8px;
  }

  .divider-number {
    width: 20px;
    height: 20px;
    font-size: 0.75rem;
  }

  .divider-title {
    font-size: 0.85rem;
  }

  #registerView .form-group {
    margin-bottom: 16px;
  }

  #registerView .form-group label {
    font-size: 0.85rem;
    margin-bottom: 6px;
  }

  #registerView .form-control {
    height: 42px;
    padding: 0 12px;
    font-size: 0.9rem;
    border-radius: 8px;
  }

  #registerView textarea.form-control {
    height: auto;
    padding: 10px 12px;
  }

  .custom-radio-card .radio-card-content {
    height: 42px;
    font-size: 0.9rem;
    border-radius: 8px;
  }

  .registration-fieldset {
    padding: 16px;
    margin-bottom: 16px;
    border-radius: 10px;
  }

  .registration-fieldset .section-subtitle {
    font-size: 0.88rem;
    margin-bottom: 14px;
  }

  .custom-checkbox-grid {
    grid-template-columns: 1fr;
    gap: 8px;
    margin-bottom: 12px;
  }

  .custom-checkbox-card .checkbox-card-content {
    padding: 10px 14px;
    font-size: 0.85rem;
    border-radius: 8px;
  }

  .icon-talent {
    font-size: 1rem;
  }

  .other-talent-input {
    margin-top: 12px;
  }

  .registration-zalo-box {
    padding: 16px;
    margin-bottom: 24px;
    border-radius: 10px;
  }

  .zalo-box-header {
    gap: 10px;
    margin-bottom: 8px;
  }

  .zalo-icon-circle {
    width: 30px;
    height: 30px;
    font-size: 0.95rem;
  }

  .zalo-box-header {
    gap: 8px !important;
  }
  .zalo-box-title {
    font-size: 0.75rem !important;
    letter-spacing: -0.3px !important;
    white-space: nowrap !important;
  }

  .zalo-box-desc {
    font-size: 0.85rem;
    margin-bottom: 12px;
    line-height: 1.4;
  }

  .zalo-action-container {
    margin-bottom: 16px;
  }

  .zalo-join-btn {
    padding: 10px 20px;
    font-size: 0.85rem;
  }

  .zalo-confirm-section {
    padding-top: 14px;
  }

  .zalo-confirm-label {
    font-size: 0.8rem;
    margin-bottom: 8px;
  }

  .zalo-radio-group {
    flex-direction: row;
    gap: 10px;
  }

  .zalo-radio-card .zalo-radio-card-content {
    height: 38px;
    font-size: 0.85rem;
    border-radius: 8px;
  }

  .registration-submit-container {
    margin-top: 24px;
  }

  .registration-btn-submit {
    width: auto;
    min-width: 200px;
    padding: 12px 30px;
    font-size: 0.9rem;
    height: 44px;
  }
}