:root {
  --color-bg: #ffffff;
  --color-fg: #1a1a1a;
  --color-muted: #6b7280;
  --color-accent: #2563eb;
}

.dark {
  --color-bg: #0f1115;
  --color-fg: #e5e7eb;
  --color-muted: #9ca3af;
  --color-accent: #60a5fa;
}

body {
  background: var(--color-bg);
  color: var(--color-fg);
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, 'Microsoft YaHei',
    sans-serif;
}