@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --color-page: #0f172a;
    --color-surface: #1e293b;
    --color-text: #e2e8f0;
    --color-muted: #94a3b8;
    --color-border: #475569;
    --color-accent: #38bdf8;
  }
}