:root {
      /* Dynamic Theme Variables - Fallback values (overridden by silkscreen theme) */
      --font-heading: 'Limelight', cursive;
      --font-body: 'Josefin Sans', sans-serif;
      --font-number: 'Limelight', cursive;

      --bg: #06060c;
      --text-main: #fcf6ba;
      --text-accent: #d4af37;
      --text-dim: rgba(212, 175, 55, 0.6);

      --border-color: #d4af37;
      --border-width: 1px;
      --border-style: solid;

      --glow-strength: 30px;
      --glow-color: rgba(212, 175, 55, 0.3);

      --diamond-opacity: 1;
      --sunburst-opacity: 0.1;
      --grain-opacity: 0.05;

      --transform-diamond: rotate(45deg);
      --transform-card: none;
    }

    /* Resets & Base */
    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      transition: color 0.5s ease, background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
    }

    html,
    body {
      min-height: 100%;
    }

    body {
      background-color: var(--bg);
      overflow-x: hidden;
      font-family: var(--font-body);
      color: var(--text-main);
    }

    h1,
    h2,
    h3 {
      font-family: var(--font-heading);
    }

    /* Utility: Gradient Text (Only visible if theme supports it via opacity/bg blend) */
    .text-gradient {
      background: linear-gradient(to bottom, currentColor 0%, var(--text-accent) 100%);
      -webkit-background-clip: text;
      background-clip: text;
      /* Default to solid color, themes can override to make valid gradient */
      color: var(--text-main);
    }

    /* Layers */
    .layer-grain {
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 50;
      opacity: var(--grain-opacity);
      background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)' opacity='1'/%3E%3C/svg%3E");
    }

    .layer-scanlines {
      display: none;
      /* hidden by default */
      position: fixed;
      inset: 0;
      pointer-events: none;
      z-index: 51;
      background: linear-gradient(to bottom, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0) 50%, rgba(0, 0, 0, 0.2) 50%, rgba(0, 0, 0, 0.2));
      background-size: 100% 4px;
    }

    /* Container */
    .container {
      min-height: 100vh;
      width: 100%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      position: relative;
      padding: 20px;
      padding-bottom: 80px; /* Space for fixed button */
      overflow-x: hidden;
    }

    @media (max-width: 480px) {
      .container {
        justify-content: flex-start;
        padding-top: 40px;
      }
    }

    /* Decroative Frame (Themeable) */
    .container::before {
      content: '';
      position: absolute;
      inset: 30px;
      pointer-events: none;
      z-index: 5;
      border: var(--border-width) var(--border-style) var(--text-dim);
      opacity: 0.4;
    }

    /* Sunburst (Themeable) */
    .sunburst {
      position: absolute;
      inset: 0;
      display: flex;
      align-items: center;
      justify-content: center;
      opacity: var(--sunburst-opacity);
      pointer-events: none;
      z-index: 1;
    }

    .sunburst svg {
      animation: spin 120s linear infinite;
    }

    @keyframes spin {
      from {
        transform: rotate(0deg);
      }

      to {
        transform: rotate(360deg);
      }
    }

    .sunburst path,
    .sunburst line {
      stroke: var(--text-accent);
    }

    /* Content */
    .main-content {
      position: relative;
      z-index: 10;
      display: flex;
      flex-direction: column;
      align-items: center;
      width: 100%;
      max-width: 1200px;
    }

    header {
      margin-bottom: 40px;
      text-align: center;
    }

    @media (max-width: 480px) {
      header {
        margin-bottom: 20px;
      }
    }

    header h1 {
      font-size: clamp(2.5rem, 8vw, 4.5rem);
      margin-bottom: 15px;
      text-transform: uppercase;
      text-shadow: 0 0 var(--glow-strength) var(--glow-color);
      letter-spacing: 0.05em;
    }

    .divider {
      height: 2px;
      width: 120px;
      background: var(--text-accent);
      margin: 15px auto;
      opacity: 0.5;
    }

    .subtitle {
      color: var(--text-dim);
      text-transform: uppercase;
      letter-spacing: 0.3em;
      font-size: clamp(0.75rem, 2vw, 1rem);
    }

    /* Grid */
    .countdown-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 30px;
      margin: 40px 0;
      width: 100%;
      max-width: 900px;
      justify-items: center;
    }

    @media (max-width: 480px) {
      .countdown-grid {
        gap: 20px;
        margin: 20px 0;
      }
    }

    @media (min-width: 768px) {
      .countdown-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 50px;
      }
    }

    .countdown-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 20px;
      transform: var(--transform-card);
    }

    /* Number Display */
    .frame-wrapper {
      position: relative;
      width: 120px;
      height: 120px;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    @media(max-width:480px) {
      .frame-wrapper {
        width: 80px;
        height: 80px;
      }
    }

    .diamond-border {
      position: absolute;
      inset: 0;
      border: calc(var(--border-width) * 2) var(--border-style) var(--border-color);
      transform: var(--transform-diamond);
      opacity: var(--diamond-opacity);
      background: transparent;
      box-shadow: 0 0 var(--glow-strength) var(--glow-color);
    }

    /* Background blob for specific themes */
    .blob-bg {
      position: absolute;
      inset: 0;
      background: var(--text-accent);
      border-radius: 50%;
      opacity: 0;
      filter: blur(20px);
      z-index: -1;
    }

    .number {
      font-size: clamp(2rem, 10vw, 3.5rem);
      font-family: var(--font-number);
      z-index: 2;
      text-shadow: 0 0 calc(var(--glow-strength) / 2) var(--glow-color);
    }

    .label {
      color: var(--text-accent);
      font-size: 0.8rem;
      text-transform: uppercase;
      letter-spacing: 0.2em;
      font-weight: bold;
    }

    footer {
      margin-top: 60px;
      text-align: center;
      opacity: 0.6;
      font-size: 0.75rem;
      letter-spacing: 0.1em;
      color: var(--text-dim);
    }

    @media (max-width: 480px) {
      footer {
        margin-top: 30px;
      }
    }

    /* Control Button */
    .theme-control {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 100;
      background: var(--bg);
      border: 1px solid var(--text-dim);
      color: var(--text-dim);
      padding: 8px 16px;
      border-radius: 20px;
      cursor: pointer;
      font-family: var(--font-body);
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: 1px;
      transition: all 0.2s;
      opacity: 0.5;
    }

    .theme-control:hover {
      opacity: 1;
      border-color: var(--text-accent);
      color: var(--text-accent);
    }

    /* ========================================================================
       THEME DEFINITIONS
       ======================================================================== */

    /* 1. Art Deco (Default) */
    [data-theme="art-deco"] {
      /* Uses root variables */
    }

    /* 2. Neobrutalism */
    [data-theme="neobrutalism"] {
      --font-heading: 'Space Grotesk', sans-serif;
      --font-body: 'Space Grotesk', sans-serif;
      --font-number: 'Space Grotesk', sans-serif;
      --bg: #ffff00;
      /* Yellow */
      --text-main: #000000;
      --text-accent: #ff00ff;
      /* Magenta */
      --text-dim: #000000;
      --border-color: #000000;
      --border-width: 4px;
      --glow-strength: 0px;
      --diamond-opacity: 1;
      --transform-diamond: rotate(0deg);
      /* Square */
      --sunburst-opacity: 0;
      --grain-opacity: 0;
      --transform-card: rotate(-2deg);
    }

    [data-theme="neobrutalism"] .frame-wrapper {
      background: #00ffff;
      box-shadow: 5px 5px 0 #000;
    }

    [data-theme="neobrutalism"] .diamond-border {
      border: 4px solid #000;
      transform: none;
      box-shadow: none;
    }

    [data-theme="neobrutalism"] .countdown-item:nth-child(even) {
      transform: rotate(2deg);
    }

    /* 3. Naive / Sketch */
    [data-theme="naive"] {
      --font-heading: 'Gloria Hallelujah', cursive;
      --font-body: 'Gloria Hallelujah', cursive;
      --font-number: 'Gloria Hallelujah', cursive;
      --bg: #fffbf0;
      /* Paper */
      --text-main: #2c3e50;
      --text-accent: #e67e22;
      --text-dim: #7f8c8d;
      --border-color: #2c3e50;
      --border-width: 2px;
      --border-style: dashed;
      --transform-diamond: rotate(-5deg);
      --sunburst-opacity: 0;
      --glow-strength: 0px;
    }

    /* 4. Swiss Style */
    [data-theme="swiss"] {
      --font-heading: 'Inter', sans-serif;
      --font-body: 'Inter', sans-serif;
      --font-number: 'Inter', sans-serif;
      --bg: #f5f5f5;
      --text-main: #1a1a1a;
      --text-accent: #ff3333;
      /* Swiss Red */
      --text-dim: #666;
      --border-width: 0;
      --sunburst-opacity: 0;
      --glow-strength: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="swiss"] header h1 {
      letter-spacing: -2px;
      font-weight: 900;
    }

    [data-theme="swiss"] .diamond-border {
      display: none;
    }

    /* No borders */
    [data-theme="swiss"] .divider {
      background: #000;
      height: 10px;
      width: 60px;
    }

    /* 5. Noir */
    [data-theme="noir"] {
      --bg: #111;
      --text-main: #ddd;
      --text-accent: #fff;
      --text-dim: #555;
      --border-color: #333;
      --grain-opacity: 0.2;
      --sunburst-opacity: 0;
      --glow-strength: 10px;
      --glow-color: rgba(255, 255, 255, 0.2);
    }

    /* 6. Cyberpunk */
    [data-theme="cyberpunk"] {
      --font-heading: 'Orbitron', sans-serif;
      --font-body: 'Space Grotesk', sans-serif;
      --font-number: 'Orbitron', sans-serif;
      /* Fallback if orbitron fails -> Space Grotesk */
      --bg: #050510;
      --text-main: #0ff;
      /* Cyan */
      --text-accent: #f0f;
      /* Magenta */
      --text-dim: rgba(0, 255, 255, 0.5);
      --border-color: #0ff;
      --glow-color: #0ff;
      --transform-diamond: skew(-10deg);
      --sunburst-opacity: 0;
    }

    [data-theme="cyberpunk"] .layer-grain {
      display: none;
    }

    [data-theme="cyberpunk"] .layer-scanlines {
      display: block;
      opacity: 0.5;
    }

    /* 7. Kidcore */
    [data-theme="kidcore"] {
      --font-heading: 'Comic Neue', sans-serif;
      --font-body: 'Comic Neue', sans-serif;
      --bg: #fff;
      --text-main: #0000ff;
      /* Blue */
      --text-accent: #ff0000;
      /* Red */
      --text-dim: #ffcc00;
      /* Yellow */
      --border-width: 6px;
      --border-color: #000;
      --transform-diamond: rotate(0deg);
      --sunburst-opacity: 0;
    }

    [data-theme="kidcore"] .frame-wrapper {
      background: #ffff00;
      border-radius: 20px;
      border: 4px solid #000;
    }

    [data-theme="kidcore"] .diamond-border {
      display: none;
    }

    /* 8. Vaporwave */
    [data-theme="vaporwave"] {
      --font-heading: 'Abril Fatface', cursive;
      --font-body: 'Josefin Sans', sans-serif;
      --bg: #ff71ce;
      /* Hot Pink Base */
      --text-main: #01cdfe;
      /* Cyan */
      --text-accent: #fffB96;
      /* Yellow */
      --bg: linear-gradient(180deg, #ff71ce 0%, #b967ff 100%);
      /* Override solid bg */
      --sunburst-opacity: 0.2;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="vaporwave"] header h1 {
      text-shadow: 3px 3px 0px #b967ff;
      font-style: italic;
    }

    /* 9. Minimalist */
    [data-theme="minimalist"] {
      --font-heading: 'Outfit', sans-serif;
      --font-body: 'Outfit', sans-serif;
      --bg: #ffffff;
      --text-main: #000000;
      --text-accent: #000000;
      --text-dim: #999999;
      --border-width: 1px;
      --border-color: #eee;
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
      --glow-strength: 0;
    }

    [data-theme="minimalist"] .diamond-border {
      border-radius: 50%;
      border-color: #eee;
    }

    /* 10. Bauhaus */
    [data-theme="bauhaus"] {
      --font-heading: 'Space Grotesk', sans-serif;
      --bg: #f0f0f0;
      --text-main: #111;
      --text-accent: #2e5cb8;
      /* Blue */
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="bauhaus"] .countdown-item:nth-child(1) .frame-wrapper {
      background: #d42a20;
      color: #fff;
      border-radius: 50%;
    }

    /* Red Circle */
    [data-theme="bauhaus"] .countdown-item:nth-child(2) .frame-wrapper {
      background: #2e5cb8;
      color: #fff;
      border-radius: 0;
    }

    /* Blue Square */
    [data-theme="bauhaus"] .countdown-item:nth-child(3) .frame-wrapper {
      background: #f0c300;
      color: #000;
      border-radius: 0 0 50% 50%;
    }

    /* Yellow Semi */
    [data-theme="bauhaus"] .countdown-item:nth-child(4) .frame-wrapper {
      background: #111;
      color: #fff;
      clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
    }

    /* Triangle */
    [data-theme="bauhaus"] .diamond-border {
      display: none;
    }

    /* 11. Gothic */
    [data-theme="gothic"] {
      --font-heading: 'UnifrakturMaguntia', cursive;
      --font-number: 'UnifrakturMaguntia', cursive;
      --bg: #0a0505;
      --text-main: #8a0a0a;
      /* Blood Red */
      --text-accent: #444;
      --text-dim: #333;
      --border-width: 2px;
      --border-color: #444;
      --sunburst-opacity: 0;
      --glow-color: #8a0a0a;
    }

    /* 12. Pop Art */
    [data-theme="popart"] {
      --font-heading: 'Bungee Shade', cursive;
      --font-body: 'Space Grotesk', sans-serif;
      --bg: #fff;
      --text-main: #000;
      --text-accent: #e50914;
      --transform-diamond: rotate(0deg);
      --sunburst-opacity: 0;
    }

    [data-theme="popart"] body {
      background-image: radial-gradient(#000 20%, transparent 20%);
      background-size: 10px 10px;
    }

    [data-theme="popart"] .frame-wrapper {
      background: white;
      border: 3px solid black;
      box-shadow: 4px 4px 0 rgba(229, 9, 20, 0.5);
    }

    [data-theme="popart"] .diamond-border {
      display: none;
    }

    /* 13. Pixel Art */
    [data-theme="pixel"] {
      --font-heading: 'Press Start 2P', cursive;
      --font-body: 'VT323', monospace;
      --font-number: 'VT323', monospace;
      --bg: #000;
      --text-main: #0f0;
      /* Terminal Green */
      --text-accent: #0f0;
      --text-dim: #050;
      --glow-color: #0f0;
      --transform-diamond: rotate(0deg);
      --sunburst-opacity: 0;
    }

    [data-theme="pixel"] .layer-scanlines {
      display: block;
      opacity: 0.3;
    }

    [data-theme="pixel"] .diamond-border {
      border-style: dotted;
    }

    /* 14. Glassmorphism */
    [data-theme="glass"] {
      --font-heading: 'Satoshi', sans-serif;
      --bg: #222;
      /* Fallback */
      --text-main: #fff;
      --text-accent: #fff;
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="glass"] body {
      background: linear-gradient(45deg, #FF9A9E 0%, #FECFEF 99%, #FECFEF 100%);
    }

    [data-theme="glass"] .frame-wrapper {
      background: rgba(255, 255, 255, 0.25);
      box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
      backdrop-filter: blur(4px);
      -webkit-backdrop-filter: blur(4px);
      border-radius: 10px;
      border: 1px solid rgba(255, 255, 255, 0.18);
    }

    [data-theme="glass"] .diamond-border {
      display: none;
    }

    /* 15. Silkscreen / Terminal */
    [data-theme="silkscreen"] {
      --font-heading: 'Silkscreen', cursive;
      --font-body: 'Silkscreen', cursive;
      --font-number: 'Silkscreen', cursive;
      --bg: #2b213a;
      --text-main: #ff9e64;
      /* Orange */
      --text-accent: #7aa2f7;
      /* Blue */
      --border-style: double;
      --border-width: 4px;
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
    }

    /* Additional Themes from Implementation Plan */

    /* 16. Matrix */
    [data-theme="matrix"] {
      --font-heading: 'VT323', monospace;
      --font-body: 'VT323', monospace;
      --font-number: 'VT323', monospace;
      --bg: #000;
      --text-main: #0f0;
      --text-accent: #003300;
      --text-dim: #002200;
      --border-color: #0f0;
      --glow-color: #0f0;
      --diamond-opacity: .5;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="matrix"] .layer-matrix {
      display: block;
    }

    [data-theme="matrix"] .diamond-border {
      border-bottom: none;
      border-top: none;
    }

    /* 17. Blueprint */
    [data-theme="blueprint"] {
      --font-heading: 'Architects Daughter', cursive;
      --font-body: 'Architects Daughter', cursive;
      --font-number: 'Architects Daughter', cursive;
      --bg: #0055bb;
      --text-main: #fff;
      --text-accent: #fff;
      --border-width: 2px;
      --border-style: solid;
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="blueprint"] body {
      background-image: linear-gradient(rgba(255, 255, 255, .1) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .1) 1px, transparent 1px);
      background-size: 20px 20px;
    }

    [data-theme="blueprint"] .frame-wrapper {
      border: 1px dashed white;
      border-radius: 50%;
    }

    [data-theme="blueprint"] .diamond-border {
      display: none;
    }

    /* 18. Newspaper */
    [data-theme="newspaper"] {
      --font-heading: 'Playfair Display', serif;
      --font-body: 'Playfair Display', serif;
      --bg: #f4eacc;
      --text-main: #111;
      --text-accent: #333;
      --border-color: #111;
      --border-width: 3px;
      --border-style: double;
      --glow-strength: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="newspaper"] header h1 {
      font-weight: 900;
      letter-spacing: -1px;
      border-bottom: 4px solid #111;
      display: inline-block;
      padding-bottom: 10px;
    }

    [data-theme="newspaper"] .diamond-border {
      border-radius: 0;
    }

    /* 19. Candy */
    [data-theme="candy"] {
      --font-heading: 'Fredoka', sans-serif;
      --font-body: 'Fredoka', sans-serif;
      --bg: #ffd1dc;
      --text-main: #555;
      --text-accent: #ff6b6b;
      --diamond-opacity: 0;
      --sunburst-opacity: 0;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="candy"] .frame-wrapper {
      background: #fff;
      border-radius: 50%;
      border: 8px solid #aec6cf;
      box-shadow: 5px 5px 0px rgba(0, 0, 0, 0.1);
    }

    /* 20. Horror */
    [data-theme="horror"] {
      --font-heading: 'Creepster', cursive;
      --font-body: 'Creepster', cursive;
      --font-number: 'Creepster', cursive;
      --bg: #000;
      --text-main: #ff0000;
      --text-accent: #500;
      --glow-color: #ff0000;
      --glow-strength: 15px;
      --border-color: #500;
      --border-style: solid;
      --transform-diamond: rotate(10deg);
    }

    [data-theme="horror"] body {
      box-shadow: inset 0 0 200px black;
    }

    /* 21. Space */
    [data-theme="space"] {
      --font-heading: 'Audiowide', sans-serif;
      --font-body: 'Audiowide', sans-serif;
      --bg: #000;
      --text-main: #fff;
      --text-accent: #4fc3f7;
      --border-width: 0;
      --glow-color: #fff;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="space"] body {
      background: radial-gradient(ellipse at bottom, #1b2735 0%, #090a0f 100%);
    }

    [data-theme="space"] .frame-wrapper {
      box-shadow: 0 0 20px #fff;
      border-radius: 50%;
      background: #000;
    }

    /* 22. Steampunk */
    [data-theme="steampunk"] {
      --font-heading: 'Rye', serif;
      --font-body: 'Rye', serif;
      --bg: #2b2b2b;
      --text-main: #c08040;
      /* Copper */
      --text-accent: #e0ac69;
      /* Brass */
      --border-color: #8b4513;
      --border-width: 8px;
      --border-style: ridge;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="steampunk"] .frame-wrapper {
      background: #1a1a1a;
      border-radius: 50%;
      border: 4px dashed #c08040;
    }

    /* 23. Chalkboard */
    [data-theme="chalk"] {
      --font-heading: 'Permanent Marker', cursive;
      --font-body: 'Permanent Marker', cursive;
      --bg: #2f4f4f;
      --text-main: #fff;
      --text-accent: #ddd;
      --border-width: 2px;
      --border-style: solid;
      --border-color: rgba(255, 255, 255, 0.3);
      --transform-diamond: rotate(0deg);
    }

    [data-theme="chalk"] .number {
      text-shadow: 2px 2px 0 rgba(0, 0, 0, 0.2);
    }

    /* 24. LCD */
    [data-theme="lcd"] {
      --font-heading: 'VT323', monospace;
      --font-body: 'VT323', monospace;
      --font-number: 'VT323', monospace;
      --bg: #888;
      --text-main: #222;
      --text-accent: #222;
      --border-width: 4px;
      --border-color: #444;
      --border-style: inset;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="lcd"] .frame-wrapper {
      background: #9ea792;
      box-shadow: inset 2px 2px 5px rgba(0, 0, 0, 0.2);
    }

    [data-theme="lcd"] .diamond-border {
      display: none;
    }

    /* 25. VHS */
    [data-theme="vhs"] {
      --font-heading: 'Rubik Glitch', cursive;
      --font-body: 'Rubik Glitch', cursive;
      --bg: #111;
      --text-main: #fff;
      --text-accent: #0ff;
      --glow-color: #f0f;
      --transform-diamond: skew(20deg);
    }

    [data-theme="vhs"] .layer-scanlines {
      display: block;
      opacity: 0.8;
    }

    [data-theme="vhs"] .frame-wrapper {
      border-left: 5px solid #0ff;
      border-right: 5px solid #f0f;
    }

    [data-theme="vhs"] .diamond-border {
      display: none;
    }

    /* 26. Botanical */
    [data-theme="botanical"] {
      --font-heading: 'Cinzel', serif;
      --font-body: 'Cinzel', serif;
      --bg: #fcfcfc;
      --text-main: #2e4a33;
      --text-accent: #5e8c61;
      --border-color: #5e8c61;
      --border-width: 1px;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="botanical"] .frame-wrapper {
      border: 2px solid #5e8c61;
      border-radius: 4px;
    }

    /* 27. Disco */
    [data-theme="disco"] {
      --font-heading: 'Monoton', display;
      --font-body: 'Josefin Sans', sans-serif;
      --font-number: 'Monoton', display;
      --bg: #111;
      --text-main: #ff00de;
      --text-accent: #00ffea;
      --transform-diamond: rotate(0deg);
    }

    [data-theme="disco"] .frame-wrapper {
      background: linear-gradient(45deg, #ff00de, #00ffea);
      border-radius: 50%;
      box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
    }

    [data-theme="disco"] .number {
      color: #fff;
      text-shadow: 2px 2px 0 #000;
    }

    /* 28. Western */
    [data-theme="western"] {
      --font-heading: 'Sancreek', cursive;
      --font-body: 'Sancreek', cursive;
      --bg: #d2b48c;
      --text-main: #4a3c31;
      --text-accent: #000;
      --border-color: #4a3c31;
      --border-width: 4px;
      --border-style: solid;
    }

    [data-theme="western"] .frame-wrapper {
      background-image: url("data:image/svg+xml,%3Csvg width='20' height='20' viewBox='0 0 20 20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h20v20H0z' fill='%23d2b48c'/%3E%3Cpath d='M0 0h1v20H0z' fill='%23c1a27b'/%3E%3C/svg%3E");
    }

    /* 29. Manga */
    [data-theme="manga"] {
      --font-heading: 'Bangers', cursive;
      --font-body: 'Bangers', cursive;
      --bg: #fff;
      --text-main: #000;
      --text-accent: #000;
      --border-width: 5px;
      --border-color: #000;
      --transform-diamond: rotate(-3deg);
    }

    [data-theme="manga"] .frame-wrapper {
      background: #fff;
      box-shadow: 8px 8px 0 #000;
    }

    [data-theme="manga"] .main-content {
      background: radial-gradient(circle, #fff 50%, transparent 60%);
    }

    /* 30. Watercolour */
    [data-theme="watercolour"] {
      --font-heading: 'Pacifico', cursive;
      --font-body: 'Amatic SC', cursive;
      --font-number: 'Amatic SC', cursive;
      --bg: #fff;
      --text-main: #5e6472;
      --text-accent: #b83b5e;
      --transform-diamond: rotate(0deg);
      --border-width: 0;
    }

    [data-theme="watercolour"] body {
      background-image:
        radial-gradient(circle at 50% 50%, rgba(255, 209, 220, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 10% 10%, rgba(174, 198, 207, 0.5) 0%, transparent 50%),
        radial-gradient(circle at 90% 90%, rgba(255, 253, 208, 0.5) 0%, transparent 50%);
    }

    [data-theme="watercolour"] .number {
      font-size: 5rem;
      font-weight: 700;
    }

    /* Fireworks Canvas */
    #fireworks-canvas {
      position: fixed;
      inset: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 60;
    }