body.theme-cikr {
  --bg: #0b1220;
  --panel: rgba(255, 255, 255, 0.06);
  --panel-2: rgba(255, 255, 255, 0.08);
  --border: rgba(255, 255, 255, 0.10);
  --text: rgba(255, 255, 255, 0.92);
  --muted: rgba(255, 255, 255, 0.62);
  --brand: #2f80ff;
  --brand-2: #19d3ff;
  --brand-3: #1b63d6;
  --danger: #ff4d6d;
  --ok: #22c55e;
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.55);
  --radius: 16px;
  --font-main: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  position: relative;
  isolation: isolate;
}

body.theme-cikr.light-theme {
  --bg: #f6f8fc;
  --panel: rgba(255, 255, 255, 0.86);
  --panel-2: rgba(255, 255, 255, 0.92);
  --border: rgba(15, 23, 42, 0.10);
  --text: rgba(15, 23, 42, 0.92);
  --muted: rgba(15, 23, 42, 0.60);
  --shadow: 0 16px 44px rgba(2, 6, 23, 0.14);
  background: var(--bg);
}

body.theme-cikr::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background-image:
    radial-gradient(900px 620px at 12% -10%, rgba(47, 128, 255, 0.30), transparent 60%),
    radial-gradient(860px 520px at 88% 0%, rgba(25, 211, 255, 0.22), transparent 58%),
    radial-gradient(760px 520px at 50% 120%, rgba(47, 128, 255, 0.16), transparent 60%);
  background-size: auto, auto, auto;
  background-position: center, center, center;
  background-repeat: no-repeat;
  opacity: 0.60;
  transform: translate3d(0, 0, 0);
}

body.theme-cikr.light-theme::before {
  opacity: 0.85;
  background-image:
    radial-gradient(900px 620px at 12% -10%, rgba(47, 128, 255, 0.14), transparent 60%),
    radial-gradient(860px 520px at 88% 0%, rgba(25, 211, 255, 0.12), transparent 58%),
    radial-gradient(760px 520px at 50% 120%, rgba(47, 128, 255, 0.10), transparent 60%);
}

body.theme-cikr::after {
  content: "";
  position: fixed;
  inset: -18%;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(360px 320px at 22% 34%, rgba(47, 128, 255, 0.18), transparent 65%),
    radial-gradient(400px 360px at 76% 26%, rgba(25, 211, 255, 0.16), transparent 65%),
    linear-gradient(180deg, rgba(0,0,0,0.22), rgba(0,0,0,0.10));
  filter: blur(18px);
  animation: cikr-ambient 14s ease-in-out infinite;
}

body.theme-cikr.light-theme::after {
  background:
    radial-gradient(360px 320px at 22% 34%, rgba(47, 128, 255, 0.12), transparent 65%),
    radial-gradient(400px 360px at 76% 26%, rgba(25, 211, 255, 0.10), transparent 65%),
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.46));
}

body.theme-cikr.beijing-blur-bg::before {
  inset: -14%;
  z-index: -3;
  background-image: var(--beijing-bg-image, url("/assets/images/beijing.jpg"));
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.62;
  filter: saturate(1.1);
  transform: scale(1.06);
}

body.theme-cikr.light-theme.beijing-blur-bg::before {
  opacity: 0.70;
  filter: saturate(1.06);
}

body.theme-cikr.beijing-blur-bg::after {
  inset: 0;
  z-index: -2;
  filter: none;
  animation: none;
  background:
    radial-gradient(760px 540px at 14% 0%, rgba(47, 128, 255, 0.24), transparent 60%),
    radial-gradient(700px 520px at 92% 8%, rgba(25, 211, 255, 0.18), transparent 60%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.32), rgba(0, 0, 0, 0.10));
}

body.theme-cikr.light-theme.beijing-blur-bg::after {
  background:
    radial-gradient(760px 540px at 14% 0%, rgba(47, 128, 255, 0.12), transparent 60%),
    radial-gradient(700px 520px at 92% 8%, rgba(25, 211, 255, 0.10), transparent 60%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.44));
}

@keyframes cikr-ambient {
  0% { transform: translate3d(-2%, -1%, 0) scale(1.02); }
  35% { transform: translate3d(2%, -3%, 0) scale(1.03); }
  70% { transform: translate3d(-1%, 3%, 0) scale(1.02); }
  100% { transform: translate3d(-2%, -1%, 0) scale(1.02); }
}

@media (prefers-reduced-motion: reduce) {
  body.theme-cikr::after { animation: none; }
  body.theme-cikr * { transition: none !important; }
}

body.theme-cikr a {
  color: inherit;
}

body.theme-cikr .btn-primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  border: none;
  box-shadow: 0 14px 38px rgba(47, 128, 255, 0.24);
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
  border-radius: 12px;
  font-weight: 600;
}

body.theme-cikr .btn-primary:hover {
  filter: brightness(1.04);
  transform: translateY(-1px);
  box-shadow: 0 18px 46px rgba(47, 128, 255, 0.30);
}

body.theme-cikr .btn-primary:active {
  transform: translateY(0);
}

body.theme-cikr .btn-outline-light,
body.theme-cikr .btn-outline-secondary,
body.theme-cikr .btn-outline-primary {
  border-color: var(--border) !important;
  color: var(--text) !important;
  background: rgba(255,255,255,0.04);
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease;
  border-radius: 12px;
}

body.theme-cikr.light-theme .btn-outline-light,
body.theme-cikr.light-theme .btn-outline-secondary,
body.theme-cikr.light-theme .btn-outline-primary {
  background: rgba(255,255,255,0.74);
}

body.theme-cikr .btn-outline-light:hover,
body.theme-cikr .btn-outline-secondary:hover,
body.theme-cikr .btn-outline-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.18);
  background: rgba(255,255,255,0.06);
}

body.theme-cikr .form-control,
body.theme-cikr .form-select {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  transition: box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}

body.theme-cikr .form-select option,
body.theme-cikr .form-select optgroup {
  background-color: #0b1220;
  color: var(--text);
}

body.theme-cikr.light-theme .form-control,
body.theme-cikr.light-theme .form-select {
  background: rgba(255,255,255,0.92);
}

body.theme-cikr.light-theme .form-select option,
body.theme-cikr.light-theme .form-select optgroup {
  background-color: #fff;
  color: #111;
}

body.theme-cikr .form-control:focus,
body.theme-cikr .form-select:focus {
  box-shadow: 0 0 0 4px rgba(47, 128, 255, 0.18);
  border-color: rgba(47, 128, 255, 0.55);
}

body.theme-cikr .card.card-shadowed {
  border-radius: 18px;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

body.theme-cikr.light-theme .card.card-shadowed {
  background: rgba(255,255,255,0.82);
}

body.theme-cikr .text-muted {
  color: var(--muted) !important;
}

body.theme-cikr .alert-danger {
  border-color: rgba(255, 77, 109, 0.30);
  background: rgba(255, 77, 109, 0.12);
  color: var(--text);
}

body.theme-cikr.light-theme .alert-danger {
  color: rgba(127, 29, 29, 0.92);
}

body.theme-cikr .alert-success {
  border-color: rgba(34, 197, 94, 0.28);
  background: rgba(34, 197, 94, 0.12);
  color: var(--text);
}

body.theme-cikr.light-theme .alert-success {
  color: rgba(20, 83, 45, 0.92);
}

body.theme-cikr .form-link {
  color: rgba(25, 211, 255, 0.95);
  font-weight: 600;
  text-decoration: none;
}

body.theme-cikr .form-link:hover {
  color: rgba(47, 128, 255, 1);
  text-decoration: none;
}