:root {
  --bg: #f8fafc;
  --text: #1a1a1a;
  --muted: #64748b;
  --surface: #fefefe;
  --border: #e2e8f0;
  --link: #2563eb;
  --danger: #dc2626;
  --btn-bg: #f1f5f9;
  --btn-hover: #e2e8f0;
  --input-bg: #fff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --text: #e2e8f0;
    --muted: #94a3b8;
    --surface: #1e293b;
    --border: #334155;
    --link: #60a5fa;
    --danger: #f87171;
    --btn-bg: #1e293b;
    --btn-hover: #334155;
    --input-bg: #0f172a;
  }
}