/* Giao diện đăng nhập ADMIN - Tối ưu kích thước gọn gàng, vừa vặn mọi màn hình */
#loginCard.login-container {
  --login-red: #c50012;
  --login-dark-red: #7c0009;
  --login-gold: #ffd84a;
  background:
    radial-gradient(circle at 18% 10%, rgba(197, 0, 18, .10), transparent 27rem),
    radial-gradient(circle at 88% 86%, rgba(197, 0, 18, .13), transparent 32rem),
    linear-gradient(135deg, #fff 0%, #fffafa 52%, #fff 100%);
  padding: clamp(10px, 2.5vw, 24px);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow-y: auto;
}

#loginCard.login-container::before,
#loginCard.login-container::after {
  content: "";
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  border: 1px solid rgba(197, 0, 18, .08);
}

#loginCard.login-container::before {
  width: 380px;
  height: 380px;
  left: -160px;
  bottom: -180px;
  box-shadow: 0 0 0 40px rgba(197, 0, 18, .025), 0 0 0 80px rgba(197, 0, 18, .02);
}

#loginCard.login-container::after {
  width: 340px;
  height: 340px;
  right: -150px;
  top: -160px;
  box-shadow: 0 0 0 40px rgba(197, 0, 18, .025), 0 0 0 80px rgba(197, 0, 18, .02);
}

#loginCard .login-wrapper {
  width: min(860px, 100%);
  max-width: 860px;
  min-height: auto;
  max-height: calc(100vh - 28px);
  margin: auto;
  display: grid;
  grid-template-columns: minmax(300px, 0.95fr) minmax(340px, 1.05fr);
  border: 1px solid rgba(121, 9, 17, .12);
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(77, 0, 8, .16);
  overflow: hidden;
}

#loginCard .login-sidebar {
  min-width: 0;
  padding: clamp(24px, 3.5vw, 38px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: #fff;
  text-align: center;
  border: 0;
  isolation: isolate;
  position: relative;
  background:
    radial-gradient(circle at 50% 24%, rgba(255,255,255,.13), transparent 18rem),
    repeating-radial-gradient(circle at 50% 24%, transparent 0 44px, rgba(255,255,255,.045) 45px 46px),
    linear-gradient(145deg, rgba(95, 0, 8, .98), rgba(197, 0, 18, .94) 58%, rgba(112, 0, 10, .98));
}

#loginCard .login-sidebar::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -12%;
  right: -12%;
  bottom: -80px;
  height: 180px;
  transform: rotate(-7deg);
  border-radius: 50% 45% 0 0;
  background: linear-gradient(90deg, #740008, #d10a1c 54%, #8c000a);
  border-top: 3px solid rgba(255, 216, 74, .9);
  box-shadow: 0 -10px 35px rgba(40, 0, 5, .3);
}

#loginCard .login-sidebar-logo {
  width: clamp(90px, 8.5vw, 120px);
  height: clamp(90px, 8.5vw, 120px);
  object-fit: contain;
  border-radius: 50%;
  padding: 4px;
  margin: 0 auto 16px;
  background: #fff;
  border: 3px solid rgba(255,255,255,.95);
  box-shadow: 0 12px 30px rgba(38, 0, 4, .28);
  filter: none;
}

#loginCard .login-sidebar-logo:hover { transform: none; }
#loginCard .login-brand-copy { width: 100%; position: relative; z-index: 1; text-align: center; }
#loginCard .login-brand-kicker {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--login-gold);
  font: 800 .8rem/1.2 'Be Vietnam Pro', sans-serif;
  letter-spacing: .08em;
  text-transform: uppercase;
}

#loginCard .login-brand-copy h2 {
  margin: 0 0 6px;
  color: #fff;
  font-size: clamp(1.4rem, 2.2vw, 2rem);
  line-height: 1.15;
  letter-spacing: -.03em;
  text-transform: uppercase;
}

#loginCard .login-brand-copy > p {
  max-width: 420px;
  margin: 0 auto;
  color: rgba(255,255,255,.88);
  font-size: .84rem;
  line-height: 1.5;
}

#loginCard .login-brand-features {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,216,74,.4);
}

#loginCard .login-brand-features span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: rgba(255,255,255,.9);
  font-size: .76rem;
  line-height: 1.3;
}

#loginCard .login-brand-features i { color: var(--login-gold); font-size: 1.1rem; }

#loginCard .login-main {
  min-width: 0;
  padding: clamp(22px, 3.8vw, 38px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  background: radial-gradient(circle at 100% 0, rgba(197,0,18,.05), transparent 20rem), #fff;
  text-align: left;
  overflow-y: auto;
}

#loginCard .login-mobile-brand { display: none; }
#loginCard .login-user-emblem {
  width: 60px;
  height: 60px;
  margin: 0 auto 12px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  border: 2px solid #fff;
  color: var(--login-red);
  background: linear-gradient(145deg, #fff, #ffe9eb);
  box-shadow: 0 8px 20px rgba(197,0,18,.14), 0 0 0 1px rgba(197,0,18,.08);
  font-size: 1.5rem;
}

#loginCard .login-header { margin: 0 0 16px; text-align: center; }
#loginCard .login-header-title {
  display: block;
  margin: 0 0 4px;
  color: #111827;
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  letter-spacing: -.02em;
}

#loginCard .login-header-title::after {
  position: static;
  display: block;
  width: 40px;
  height: 2px;
  margin: 10px auto 0;
  background: var(--login-red);
}

#loginCard .login-header-subtitle { margin: 0; color: #6b7280; font-size: .84rem; }
#loginCard form { width: 100%; }
#loginCard .login-main .form-group { margin-bottom: 12px; }
#loginCard .login-main .form-group label {
  margin-bottom: 5px;
  color: #1f2937;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

#loginCard .login-input-wrap { position: relative; }
#loginCard .login-input-wrap > i {
  position: absolute;
  z-index: 2;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: #8792a2;
  pointer-events: none;
  font-size: .9rem;
}

#loginCard .login-main .form-control {
  height: 44px;
  padding: 0 40px;
  border: 1px solid #d9dee7;
  border-radius: 8px;
  background: #fff;
  color: #111827;
  font-size: .88rem;
  box-shadow: 0 1px 2px rgba(15,23,42,.025);
}

#loginCard .login-main .form-control:focus {
  border-color: var(--login-red);
  box-shadow: 0 0 0 3px rgba(197,0,18,.08);
}

#loginCard .login-password-toggle {
  position: absolute;
  z-index: 3;
  right: 5px;
  top: 50%;
  width: 36px;
  height: 36px;
  transform: translateY(-50%);
  border: 0;
  border-radius: 6px;
  color: #687386;
  background: transparent;
  cursor: pointer;
}

#loginCard .login-password-toggle:hover { color: var(--login-red); background: #fff1f2; }
#loginCard .login-remember {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: #374151;
  font-size: .78rem;
  cursor: pointer;
}

#loginCard .login-remember input { width: 16px; height: 16px; accent-color: var(--login-red); }
#loginCard .login-main .btn-red {
  height: 46px;
  border-radius: 8px;
  font-size: .9rem;
  background: linear-gradient(105deg, #a9000e, #da0018);
  box-shadow: 0 8px 18px rgba(197,0,18,.18);
}

#loginCard .login-main .btn-red:hover {
  transform: translateY(-1px);
  background: linear-gradient(105deg, #8d000b, #c50012);
  box-shadow: 0 12px 24px rgba(197,0,18,.24);
}

#loginCard .login-security-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: 12px;
  color: #7b8493;
  font-size: .72rem;
  text-align: center;
}

#loginCard .login-security-note i { color: #16a34a; }
#loginCard .back-link { margin-top: 10px; color: #5f6b7a; font-size: .78rem; }

@media (max-width: 900px) {
  #loginCard.login-container { align-items: flex-start; padding: 14px; }
  #loginCard .login-wrapper {
    display: block;
    width: min(420px, 100%);
    min-height: 0;
    margin: auto;
    border-radius: 18px;
  }
  #loginCard .login-sidebar { display: none !important; }
  #loginCard .login-main {
    padding: 24px clamp(18px, 6vw, 32px) 22px;
    background: linear-gradient(180deg, rgba(197,0,18,.035), transparent 180px), #fff;
  }
  #loginCard .login-mobile-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin: 0 0 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid #edf0f4;
  }
  #loginCard .login-mobile-brand img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 50%;
  }
  #loginCard .login-mobile-brand div { display: flex; flex-direction: column; }
  #loginCard .login-mobile-brand strong {
    color: #8f000b;
    font: 800 .9rem/1.3 'Be Vietnam Pro', sans-serif;
    text-transform: uppercase;
  }
  #loginCard .login-mobile-brand span {
    color: #7b8493;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .08em;
  }
  #loginCard .login-user-emblem {
    width: 56px;
    height: 56px;
    margin-bottom: 12px;
    font-size: 1.4rem;
  }
  #loginCard .login-header { margin-bottom: 18px; }
  #loginCard .login-header-title { font-size: 1.45rem; }
  #loginCard .login-main .form-control { height: 44px; }
  #loginCard .login-main .btn-red { height: 46px; }
}

@media (max-width: 380px) {
  #loginCard.login-container { padding: 8px; }
  #loginCard .login-main { padding: 18px 14px 16px; }
  #loginCard .login-mobile-brand strong { font-size: .85rem; }
  #loginCard .login-header-subtitle { font-size: .8rem; }
}