/**
 * Halaman auth (login, pilih role, ganti password) — selaras AdminLTE + identitas KBRI.
 */
body.hold-transition.login-page.auth-kbri {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  min-height: 100vh;
  min-height: 100dvh;
  padding: clamp(1rem, 4vh, 2.5rem) 1rem 1.5rem;
  background: transparent !important;
  position: relative;
  overflow-x: hidden;
}

.auth-kbri-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  background: linear-gradient(145deg, #1a3348 0%, #234e6e 42%, #2a5f7a 68%, #1e3d52 100%);
  transition: background 0.45s ease;
}

html[data-auth-bg="nilam"] .auth-kbri-bg {
  background: linear-gradient(145deg, #1a2540 0%, #2a3558 45%, #35466b 70%, #1e2a45 100%);
}

html[data-auth-bg="hijau"] .auth-kbri-bg {
  background: linear-gradient(145deg, #163832 0%, #1f4f47 42%, #2a6358 68%, #1a3d36 100%);
}

html[data-auth-bg="abu"] .auth-kbri-bg {
  background: linear-gradient(145deg, #3d4554 0%, #4f5868 45%, #5c6678 70%, #434b5a 100%);
}

html[data-auth-bg="terang"] .auth-kbri-bg {
  background: linear-gradient(160deg, #eef2f7 0%, #dde5ef 40%, #d0dae6 75%, #e8edf3 100%);
}

.auth-kbri-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.14) 0%, transparent 42%),
    radial-gradient(circle at 82% 78%, rgba(5, 150, 119, 0.18) 0%, transparent 40%),
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 48px,
      rgba(255, 255, 255, 0.025) 48px,
      rgba(255, 255, 255, 0.025) 49px
    );
  transition: opacity 0.45s ease;
}

html[data-auth-bg="hijau"] .auth-kbri-bg::before {
  background-image:
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.1) 0%, transparent 40%),
    radial-gradient(circle at 80% 75%, rgba(120, 220, 190, 0.15) 0%, transparent 42%),
    repeating-linear-gradient(-12deg, transparent, transparent 48px, rgba(255, 255, 255, 0.02) 48px, rgba(255, 255, 255, 0.02) 49px);
}

html[data-auth-bg="terang"] .auth-kbri-bg::before {
  opacity: 0.5;
  background-image:
    radial-gradient(circle at 25% 20%, rgba(255, 255, 255, 0.9) 0%, transparent 45%),
    radial-gradient(circle at 75% 80%, rgba(200, 215, 230, 0.5) 0%, transparent 40%),
    repeating-linear-gradient(-12deg, transparent, transparent 52px, rgba(255, 255, 255, 0.35) 52px, rgba(255, 255, 255, 0.35) 53px);
}

.auth-kbri-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.08) 0%, transparent 35%, rgba(0, 0, 0, 0.12) 100%);
  pointer-events: none;
}

html[data-auth-bg="terang"] .auth-kbri-bg::after {
  background: linear-gradient(to bottom, rgba(255, 255, 255, 0.25) 0%, transparent 40%, rgba(0, 0, 0, 0.04) 100%);
}

.auth-kbri-wrap {
  position: relative;
  z-index: 1;
  width: 300px;
  max-width: 100%;
  margin: 0 auto;
  transform: translateY(-5cm);
  perspective: 1200px;
}

.auth-kbri .login-box.animated.flipInY {
  -webkit-backface-visibility: visible;
  backface-visibility: visible;
  transform-origin: center center;
}

@media (prefers-reduced-motion: reduce) {
  .auth-kbri .login-box.animated.flipInY {
    animation: none !important;
    opacity: 1;
  }

  .auth-kbri-bg {
    transition: none;
  }
}

.auth-kbri .login-box,
.auth-kbri .register-box {
  width: 300px;
  max-width: 100%;
  margin: 0 auto !important;
}

.auth-kbri .login-logo {
  text-align: center;
  padding: 0 0 0.5rem;
  margin-bottom: 0.35rem !important;
}

.auth-kbri .login-logo img {
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.25));
}

.auth-kbri .login-logo b {
  display: block;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
}

.auth-kbri .login-logo .text-muted {
  color: rgba(255, 255, 255, 0.82) !important;
  font-size: 0.82rem;
}

.auth-kbri.auth-kbri--light .login-logo b {
  color: #1a3348;
  text-shadow: none;
}

.auth-kbri.auth-kbri--light .login-logo .text-muted {
  color: #5a6578 !important;
}

.auth-kbri .login-box > .text-muted.small,
.auth-kbri .login-box > p.text-muted {
  color: rgba(255, 255, 255, 0.72) !important;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  font-size: 0.78rem;
}

.auth-kbri.auth-kbri--light .login-box > .text-muted.small,
.auth-kbri.auth-kbri--light .login-box > p.text-muted {
  color: #6c757d !important;
  text-shadow: none;
}

.auth-kbri .login-box .card-body {
  padding: 1rem 1.1rem;
}

.auth-kbri .login-box .login-box-msg {
  font-size: 0.9rem;
  padding: 0 0 0.85rem;
}

.auth-kbri .login-box .form-control {
  font-size: 0.9rem;
  padding: 0.4rem 0.65rem;
  height: calc(1.5em + 0.65rem + 2px);
}

.auth-kbri .login-box .input-group-text {
  padding: 0.4rem 0.55rem;
}

.auth-kbri .login-box .btn {
  font-size: 0.9rem;
  padding: 0.4rem 0.75rem;
}

.auth-kbri .login-box .card {
  border-radius: 0.25rem;
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.18);
}

.auth-kbri .login-box .card-outline.card-primary {
  border-top: 3px solid #007bff;
}

.auth-kbri .login-box .card-outline.card-success {
  border-top: 3px solid #28a745;
}

.auth-kbri .login-box .card-outline.card-danger {
  border-top: 3px solid #dc3545;
}

.auth-kbri .login-box .btn-outline-primary {
  border-color: #059677;
  color: #059677;
}

.auth-kbri .login-box .btn-outline-primary:hover,
.auth-kbri .login-box .btn-outline-primary:focus {
  background-color: #059677;
  border-color: #059677;
  color: #fff;
}

.auth-kbri .login-box .card-header {
  background: #f8fafb;
  border-bottom: 1px solid #e9ecef;
  padding: 0.65rem 1rem;
}

.auth-kbri .login-box .card-header h4 {
  font-size: 1rem;
}

/* Pilih latar belakang */
.auth-bg-picker {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.55rem;
  border-radius: 2rem;
  background: rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
}

body.auth-kbri--light .auth-bg-picker {
  background: rgba(255, 255, 255, 0.82);
  border-color: rgba(0, 0, 0, 0.08);
}

.auth-bg-picker-label {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.9);
  margin-right: 0.15rem;
  white-space: nowrap;
}

body.auth-kbri--light .auth-bg-picker-label {
  color: #5a6578;
}

.auth-bg-swatch {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.65);
  padding: 0;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.auth-bg-swatch:hover {
  transform: scale(1.12);
}

.auth-bg-swatch.active {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px rgba(0, 123, 255, 0.85);
  transform: scale(1.08);
}

body.auth-kbri--light .auth-bg-swatch.active {
  box-shadow: 0 0 0 2px #fff, 0 0 0 4px #007bff;
}

.auth-bg-swatch[data-auth-bg="biru"] {
  background: linear-gradient(135deg, #1a3348, #2a5f7a);
}

.auth-bg-swatch[data-auth-bg="nilam"] {
  background: linear-gradient(135deg, #1a2540, #35466b);
}

.auth-bg-swatch[data-auth-bg="hijau"] {
  background: linear-gradient(135deg, #163832, #2a6358);
}

.auth-bg-swatch[data-auth-bg="abu"] {
  background: linear-gradient(135deg, #3d4554, #5c6678);
}

.auth-bg-swatch[data-auth-bg="terang"] {
  background: linear-gradient(135deg, #eef2f7, #c5d0de);
}

@media (max-width: 576px) {
  body.hold-transition.login-page.auth-kbri {
    padding-top: 1rem;
    padding-bottom: 3.5rem;
  }

  .auth-kbri-wrap {
    transform: none;
  }

  .auth-kbri .login-box,
  .auth-kbri .register-box {
    width: 92%;
  }

  .auth-kbri .login-logo img {
    width: 64px !important;
    height: 64px !important;
  }

  .auth-bg-picker {
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    bottom: 0.65rem;
  }
}