:root {
  /* Background - Dark Gothic */
  --bg-primary: #1a1a1a;
  --bg-secondary: #252525;
  --bg-tertiary: #303030;
  --bg-elevated: #2a2a2a;

  /* Accent - World of Darkness */
  --accent-primary: #a31621;
  --accent-secondary: #c5a572;
  --accent-danger: #d62828;
  --accent-success: #2a9d8f;
  --accent-warning: #e09f3e;

  /* Text - High Readability */
  --text-primary: #e8e8e8;
  --text-secondary: #b5b5b5;
  --text-muted: #808080;
  --text-inverted: #1a1a1a;

  /* Borders & Dividers */
  --border-color: #3a3a3a;
  --divider-color: #2a2a2a;

  /* Font Families */
  --font-display: 'Crimson Text', Georgia, serif;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'Courier New', Courier, monospace;

  /* Font Sizes (Fluid Typography) */
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.625vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --text-2xl: clamp(2rem, 1.5rem + 2.5vw, 3rem);

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

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --container-padding: 1.5rem;
}

/* Light Mode */
[data-theme="light"] {
  /* Background - Light */
  --bg-primary: #f5f5f5;
  --bg-secondary: #ffffff;
  --bg-tertiary: #e8e8e8;
  --bg-elevated: #fafafa;

  /* Text - Dark on Light */
  --text-primary: #1a1a1a;
  --text-secondary: #4a4a4a;
  --text-muted: #808080;
  --text-inverted: #e8e8e8;

  /* Borders & Dividers */
  --border-color: #d0d0d0;
  --divider-color: #e8e8e8;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
}