:root {
  /* Background */
  --bg-primary: #0d1117;
  --bg-surface: #161b22;
  --bg-surface-2: #1c2230;
  --bg-hover: #1f2937;

  /* Border */
  --border: #30363d;
  --border-muted: #21262d;

  /* Text */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --text-link: #58a6ff;

  /* Accent */
  --accent: #58a6ff;
  --accent-hover: #79c0ff;

  /* Status */
  --green: #3fb950;
  --green-subtle: #0d2d0f;
  --green-border: #2ea043;
  --yellow: #d29922;
  --yellow-subtle: #2d1f00;
  --yellow-border: #9e6a03;
  --red: #f85149;
  --red-subtle: #2d0f0e;
  --red-border: #da3633;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, SF Mono, Menlo, Consolas, monospace;

  /* Spacing */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Radius */
  --radius-sm: 4px;
  --radius: 6px;
  --radius-lg: 8px;

  /* Transitions */
  --transition: 150ms ease;
}