:root {
  color-scheme: light;
  --theme-bg: #f8fafc;
  --theme-bg-elevated: #ffffff;
  --theme-surface: #ffffff;
  --theme-surface-muted: #f1f5f9;
  --theme-surface-hover: #f8fafc;
  --theme-text: #0f172a;
  --theme-text-secondary: #475569;
  --theme-text-muted: #64748b;
  --theme-border: #e2e8f0;
  --theme-border-subtle: #f1f5f9;
  --theme-input-bg: #ffffff;
  --theme-shadow: 0 1px 3px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --theme-shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
  --theme-glass-bg: rgba(255, 255, 255, 0.85);
  --theme-glass-border: rgba(255, 255, 255, 0.5);
  --theme-nav-pill: rgba(255, 255, 255, 0.5);
  --theme-overlay: rgba(0, 0, 0, 0.4);
  --theme-accent-soft: #fff7ed;
  --theme-header-bg: rgba(255, 255, 255, 0.8);
  --theme-sidebar-bg: #080808;
  --admin-header-h: 4.5rem;
}

.dark {
  color-scheme: dark;
  --theme-bg: #0a0a0a;
  --theme-bg-elevated: #111111;
  --theme-surface: #141414;
  --theme-surface-muted: #1a1a1a;
  --theme-surface-hover: #1f1f1f;
  --theme-text: #f1f5f9;
  --theme-text-secondary: #cbd5e1;
  --theme-text-muted: #94a3b8;
  --theme-border: #262626;
  --theme-border-subtle: #1f1f1f;
  --theme-input-bg: #1a1a1a;
  --theme-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.4);
  --theme-shadow-lg: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
  --theme-glass-bg: rgba(20, 20, 20, 0.88);
  --theme-glass-border: rgba(255, 255, 255, 0.08);
  --theme-nav-pill: rgba(255, 255, 255, 0.06);
  --theme-overlay: rgba(0, 0, 0, 0.65);
  --theme-accent-soft: rgba(249, 115, 22, 0.12);
  --theme-header-bg: rgba(20, 20, 20, 0.85);
  --theme-sidebar-bg: #050505;
}

.theme-page {
  background-color: var(--theme-bg);
  color: var(--theme-text);
  transition: background-color 0.25s ease, color 0.25s ease;
}

.theme-glass {
  background: var(--theme-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--theme-glass-border);
}

.theme-surface {
  background-color: var(--theme-surface);
  border-color: var(--theme-border);
  color: var(--theme-text);
}

.theme-surface-muted {
  background-color: var(--theme-surface-muted);
}

.theme-border {
  border-color: var(--theme-border);
}

.theme-text-muted {
  color: var(--theme-text-muted);
}

.theme-input {
  background-color: var(--theme-input-bg);
  border-color: var(--theme-border);
  color: var(--theme-text);
}

.theme-input::placeholder {
  color: var(--theme-text-muted);
}

.admin-page {
  background-color: var(--theme-bg);
  color: var(--theme-text);
}

.admin-header {
  background-color: var(--theme-header-bg);
  border-color: var(--theme-border);
}

.admin-card {
  background-color: var(--theme-surface);
  border: 1px solid var(--theme-border);
  box-shadow: var(--theme-shadow);
}

.admin-card-muted {
  background-color: var(--theme-surface-muted);
}

.admin-table-head {
  background-color: var(--theme-surface-muted);
  color: var(--theme-text-muted);
}

.admin-row-hover:hover {
  background-color: var(--theme-surface-hover);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.75rem;
  border: 1px solid var(--theme-border);
  background: var(--theme-surface-muted);
  color: var(--theme-text-secondary);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}

.theme-toggle:hover {
  background: var(--theme-surface-hover);
  transform: scale(1.05);
}

.theme-toggle:focus-visible {
  outline: 2px solid #f97316;
  outline-offset: 2px;
}

html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color 0.25s ease, border-color 0.25s ease, color 0.2s ease, box-shadow 0.25s ease !important;
}