:root {
  /* Colors */
  --color-bg: #0a0a0f;
  --color-bg-elevated: #12121a;
  --color-bg-card: #16161e;
  --color-border: #2a2a3a;

  --color-text: #e0e0e8;
  --color-text-secondary: #8888a0;
  --color-text-muted: #555566;

  --color-accent: #6ff773;
  --color-accent-hover: #52bd55;

  --color-tag-bg: #1e1e2e;
  --color-tag-text: #8888a0;

  --color-code-bg: #1a1a28;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', monospace;

  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: clamp(1.75rem, 4vw, 2.25rem);

  --leading-normal: 1.6;
  --leading-tight: 1.25;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Layout */
  --max-width-content: 720px;
  --max-width-page: 960px;

  /* Borders */
  --radius-sm: 4px;
  --radius-md: 8px;

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