:root {
  /* Default: Aged Broadside Theme */
  --bg-paper: #f4eee1;
  --bg-card: #f9f5ec;
  --bg-muted: #e7dec9;
  --ink-primary: #181613;
  --ink-secondary: #3b3730;
  --ink-muted: #6e675b;
  --ink-faint: #a29a8c;
  --border-ink: #221f1a;
  --border-light: #cfc5b0;
  --accent-vermilion: #9e2a2b;
  --accent-sepia: #735738;
  --accent-badge: #d8c8af;
  --halftone-opacity: 0.04;

  /* Typography Stacks */
  --font-masthead: 'Cinzel Decorative', 'Playfair Display', Georgia, serif;
  --font-head: 'Cinzel', 'Playfair Display', Georgia, serif;
  --font-deck: 'Newsreader', Georgia, serif;
  --font-body: 'Newsreader', 'EB Garamond', Georgia, serif;
  --font-meta: 'Space Mono', 'Courier New', monospace;
  --font-sans: 'Chivo', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Geometric Dimensions */
  --column-gap: 24px;
  --row-gap: 28px;
  --max-broadsheet-width: 1440px;
}

[data-theme="crisp"] {
  --bg-paper: #faf8f5;
  --bg-card: #ffffff;
  --bg-muted: #ebe6dc;
  --ink-primary: #0f0e0d;
  --ink-secondary: #2f2d29;
  --ink-muted: #5e5950;
  --ink-faint: #9c9586;
  --border-ink: #1c1a17;
  --border-light: #ded7c9;
  --accent-vermilion: #b91c1c;
  --accent-sepia: #5d4a36;
  --accent-badge: #e4dcce;
  --halftone-opacity: 0.02;
}

[data-theme="midnight"] {
  --bg-paper: #121110;
  --bg-card: #191816;
  --bg-muted: #242220;
  --ink-primary: #ede8dc;
  --ink-secondary: #c9c3b4;
  --ink-muted: #8c867a;
  --ink-faint: #575249;
  --border-ink: #d4ccba;
  --border-light: #3d3933;
  --accent-vermilion: #e05657;
  --accent-sepia: #caa378;
  --accent-badge: #2d2a26;
  --halftone-opacity: 0.05;
}