:root {
  color-scheme: dark;
  --color-bg: #050816;
  --color-surface: #0a1020;
  --color-surface-raised: #0e1628;
  --color-border: rgba(148, 163, 184, 0.13);
  --color-text: #f4f4f5;
  --color-text-muted: #9ca3af;
  --color-primary: #7c3aed;
  --color-primary-hover: #8b5cf6;
  --color-primary-glow: rgba(124, 58, 237, 0.34);
  --color-cyan: #38bdf8;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-panel: 0 18px 45px rgba(0, 0, 0, 0.22);
  --shadow-glow: 0 0 34px var(--color-primary-glow);
  --container-width: 1484px;
  --header-height: 64px;
  --transition: 180ms ease;
}