body {
  background:
    radial-gradient(1000px 500px at -10% -20%, color-mix(in srgb, var(--app-primary) 18%, transparent), transparent 60%),
    radial-gradient(1000px 500px at 110% -20%, color-mix(in srgb, var(--app-secondary) 20%, transparent), transparent 60%),
    var(--app-bg);
  color: var(--app-text);
  font-size: var(--app-font-size);
  font-family: "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  min-height: 100vh;
}

.app-main {
  padding-top: 0.25rem;
}

.app-nav {
  background: color-mix(in srgb, var(--app-primary) 88%, #000 12%) !important;
  backdrop-filter: blur(10px);
  box-shadow: 0 10px 30px rgba(16, 24, 40, 0.16);
}

.app-nav .navbar-brand {
  font-weight: 700;
  letter-spacing: 0.2px;
}

.app-footer {
  background: rgba(255, 255, 255, 0.78);
  border-top: 1px solid rgba(15, 23, 42, 0.08);
  backdrop-filter: blur(8px);
}

.hero-card {
  border-radius: calc(var(--app-radius) * 1.2);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, var(--app-primary) 10%, #fff 90%) 0%,
    #ffffff 55%,
    color-mix(in srgb, var(--app-secondary) 12%, #fff 88%) 100%
  );
  border: 1px solid rgba(15, 23, 42, 0.08);
}

.card {
  border-radius: var(--app-radius);
  border: 1px solid rgba(15, 23, 42, 0.08);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.btn {
  border-radius: calc(var(--app-radius) * 0.55);
  font-weight: 600;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(
    180deg,
    color-mix(in srgb, var(--app-primary) 88%, #fff 12%),
    color-mix(in srgb, var(--app-primary) 72%, #000 28%)
  );
  border-color: color-mix(in srgb, var(--app-primary) 70%, #000 30%);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--app-primary) 30%, transparent);
}

.btn-primary:hover {
  transform: translateY(-1px);
}

.btn-outline-primary {
  color: var(--app-primary);
  border-color: color-mix(in srgb, var(--app-primary) 55%, #94a3b8 45%);
  background: #fff;
}

.btn-outline-primary:hover {
  color: #fff;
  background-color: var(--app-primary);
  border-color: var(--app-primary);
}

.form-control,
.form-select {
  border-radius: calc(var(--app-radius) * 0.5);
  border-color: rgba(15, 23, 42, 0.16);
}

.form-control:focus,
.form-select:focus {
  border-color: color-mix(in srgb, var(--app-primary) 65%, #94a3b8 35%);
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--app-primary) 20%, transparent);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--app-text);
  line-height: 1.25;
}

a {
  color: var(--app-primary);
}

.table {
  --bs-table-bg: transparent;
}

.video-embed iframe,
.video-embed video {
  width: 100%;
  min-height: 380px;
  border-radius: calc(var(--app-radius) * 0.75);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

.admin-header {
  border: 0;
  background: linear-gradient(
    120deg,
    color-mix(in srgb, var(--app-primary) 14%, #fff 86%),
    color-mix(in srgb, var(--app-secondary) 10%, #fff 90%)
  );
}

.admin-nav {
  border: 0;
}

.admin-pills .nav-link {
  border-radius: 999px;
  color: color-mix(in srgb, var(--app-text) 75%, #64748b 25%);
  font-weight: 600;
  padding: 0.5rem 0.9rem;
}

.admin-pills .nav-link:hover {
  background: color-mix(in srgb, var(--app-primary) 12%, transparent);
  color: var(--app-primary);
}

.admin-pills .nav-link.active {
  background: var(--app-primary);
  color: #fff;
  box-shadow: 0 8px 18px color-mix(in srgb, var(--app-primary) 35%, transparent);
}

.table thead th {
  border-bottom-color: rgba(15, 23, 42, 0.12);
  font-size: 0.86rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: color-mix(in srgb, var(--app-text) 70%, #64748b 30%);
}

body.theme-dark {
  --app-bg: #0b1220;
  --app-text: #e5e7eb;
}

body.theme-dark .app-nav {
  background: #0f172a !important;
  box-shadow: 0 10px 30px rgba(2, 6, 23, 0.5);
}

body.theme-dark .app-footer {
  background: rgba(15, 23, 42, 0.78);
  border-top-color: rgba(148, 163, 184, 0.2);
}

body.theme-dark .card,
body.theme-dark .hero-card {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(148, 163, 184, 0.24);
  box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
}

body.theme-dark .text-muted,
body.theme-dark small {
  color: #94a3b8 !important;
}

body.theme-dark .form-control,
body.theme-dark .form-select {
  background: #0f172a;
  color: #e5e7eb;
  border-color: rgba(148, 163, 184, 0.35);
}

body.theme-dark .table {
  color: #e5e7eb;
}

body.theme-dark .admin-header {
  background: linear-gradient(120deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
}

@media (prefers-color-scheme: dark) {
  body.theme-auto {
    --app-bg: #0b1220;
    --app-text: #e5e7eb;
  }

  body.theme-auto .app-nav {
    background: #0f172a !important;
    box-shadow: 0 10px 30px rgba(2, 6, 23, 0.5);
  }

  body.theme-auto .app-footer {
    background: rgba(15, 23, 42, 0.78);
    border-top-color: rgba(148, 163, 184, 0.2);
  }

  body.theme-auto .card,
  body.theme-auto .hero-card {
    background: rgba(15, 23, 42, 0.85);
    border-color: rgba(148, 163, 184, 0.24);
    box-shadow: 0 8px 24px rgba(2, 6, 23, 0.35);
  }

  body.theme-auto .text-muted,
  body.theme-auto small {
    color: #94a3b8 !important;
  }

  body.theme-auto .form-control,
  body.theme-auto .form-select {
    background: #0f172a;
    color: #e5e7eb;
    border-color: rgba(148, 163, 184, 0.35);
  }

  body.theme-auto .table {
    color: #e5e7eb;
  }

  body.theme-auto .admin-header {
    background: linear-gradient(120deg, rgba(30, 41, 59, 0.9), rgba(15, 23, 42, 0.9));
  }
}