/* Base layout (shared). Colors/fonts come from [data-theme] below. */

:root {
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, sans-serif;
  --radius: 0;
  --card-pad: 1.1rem 1.2rem;
  --header-border: 1px solid var(--line);
  --max: 960px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
  background-image: var(--bg-image, none);
  background-attachment: fixed;
}

header {
  padding: 1.25rem 1.5rem;
  border-bottom: var(--header-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: var(--header-bg, transparent);
  backdrop-filter: var(--header-blur, none);
}

.brand {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: var(--brand-track, 0.02em);
  color: var(--text);
  text-decoration: none;
  text-transform: var(--brand-case, none);
}

.brand span { color: var(--accent); }

.back,
.lead,
.card-num,
.card-hint,
.more,
.error,
.theme-note {
  font-family: var(--font-body);
}

.back {
  font-size: 0.85rem;
  color: var(--muted);
  text-decoration: none;
}
.back:hover { color: var(--accent); }

main {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}

h1 {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: var(--h1-track, 0);
  text-transform: var(--h1-case, none);
}

.lead {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.lead code {
  font-size: 0.85em;
  color: var(--accent);
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--grid-gap, 0.85rem);
}
@media (min-width: 640px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

a.card {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: var(--card-pad);
  border: 1px solid var(--line);
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--card-shadow, none);
  transition: border-color 0.2s, background 0.2s, transform 0.2s, box-shadow 0.2s;
}
a.card:hover {
  border-color: var(--accent);
  background: var(--card-hover);
  transform: var(--card-lift, none);
  box-shadow: var(--card-hover-shadow, var(--card-shadow, none));
}

.card-num {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.45rem;
}

.card-title { font-size: 1.05rem; font-weight: 700; }

.card-hint {
  margin-top: 0.55rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Watch page */
.player {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  background: #000;
  margin-bottom: 1.25rem;
  border-radius: var(--radius);
  overflow: hidden;
  border: var(--player-border, none);
  box-shadow: var(--player-shadow, none);
}
.player iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.more {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 1.5rem 0 0.75rem;
}

.related { display: grid; gap: 0.6rem; }
.related a {
  color: var(--text);
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
}
.related a:hover { color: var(--accent); }

.error { padding: 2rem 0; color: var(--muted); }
.error a { color: var(--accent); }

/* Theme switcher (preview page) */
.theme-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.theme-bar button {
  font-family: var(--font-body);
  font-size: 0.8rem;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--line);
  background: var(--card-bg);
  color: var(--text);
  cursor: pointer;
  border-radius: var(--radius);
}
.theme-bar button.active,
.theme-bar button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* ========== THEMES ========== */

/* 1. Ember — dark charcoal + amber */
[data-theme="ember"] {
  --bg: #14120f;
  --text: #f2ebe3;
  --muted: rgba(242, 235, 227, 0.65);
  --accent: #e8a54b;
  --line: rgba(242, 235, 227, 0.12);
  --card-bg: rgba(242, 235, 227, 0.03);
  --card-hover: rgba(232, 165, 75, 0.08);
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, -apple-system, sans-serif;
}

/* 2. Noir — cinema black + crimson */
[data-theme="noir"] {
  --bg: #050505;
  --text: #fafafa;
  --muted: rgba(250, 250, 250, 0.55);
  --accent: #e11d48;
  --line: rgba(255, 255, 255, 0.14);
  --card-bg: transparent;
  --card-hover: rgba(225, 29, 72, 0.08);
  --font-display: "Arial Narrow", "Helvetica Neue Condensed", Impact, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --brand-track: 0.14em;
  --brand-case: uppercase;
  --h1-track: 0.04em;
  --h1-case: uppercase;
  --header-border: 2px solid var(--accent);
  --card-pad: 1.2rem 0;
  --grid-gap: 0;
}
[data-theme="noir"] a.card {
  border-left: none;
  border-right: none;
  border-top: none;
  border-radius: 0;
  padding-left: 0;
  padding-right: 0;
}
[data-theme="noir"] .brand span {
  background: var(--accent);
  color: #fff;
  padding: 0.1em 0.35em;
}

/* 3. Mint — light cool surface + teal */
[data-theme="mint"] {
  --bg: #e8f5f1;
  --text: #0f2e28;
  --muted: rgba(15, 46, 40, 0.6);
  --accent: #0d9488;
  --line: rgba(15, 46, 40, 0.12);
  --card-bg: #ffffff;
  --card-hover: #d9f3ec;
  --font-display: "Trebuchet MS", "Segoe UI", sans-serif;
  --font-body: "Segoe UI", system-ui, sans-serif;
  --radius: 14px;
  --card-shadow: 0 8px 24px rgba(13, 148, 136, 0.08);
  --card-lift: translateY(-2px);
  --bg-image: radial-gradient(ellipse at top right, rgba(45, 212, 191, 0.25), transparent 50%),
              radial-gradient(ellipse at bottom left, rgba(13, 148, 136, 0.12), transparent 45%);
  --header-bg: rgba(232, 245, 241, 0.85);
  --header-blur: blur(8px);
  --player-shadow: 0 12px 40px rgba(15, 46, 40, 0.15);
}

/* 4. Slate — steel industrial */
[data-theme="slate"] {
  --bg: #1c2430;
  --text: #e6edf5;
  --muted: rgba(230, 237, 245, 0.6);
  --accent: #7dd3fc;
  --line: rgba(125, 211, 252, 0.18);
  --card-bg: #243041;
  --card-hover: #2c3a4f;
  --font-display: "Courier New", Courier, monospace;
  --font-body: system-ui, -apple-system, sans-serif;
  --radius: 4px;
  --brand-track: 0.06em;
  --bg-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 23px,
    rgba(125, 211, 252, 0.03) 24px
  );
  --player-border: 1px solid var(--line);
}

/* 5. Poster — yellow billboard */
[data-theme="poster"] {
  --bg: #f5e642;
  --text: #111111;
  --muted: rgba(17, 17, 17, 0.65);
  --accent: #111111;
  --line: #111111;
  --card-bg: #f5e642;
  --card-hover: #fff59a;
  --font-display: Impact, "Arial Black", Haettenschweiler, sans-serif;
  --font-body: Arial, Helvetica, sans-serif;
  --brand-case: uppercase;
  --h1-case: uppercase;
  --h1-track: 0.02em;
  --header-border: 4px solid #111;
  --radius: 0;
  --grid-gap: 0.6rem;
  --card-shadow: 4px 4px 0 #111;
  --card-hover-shadow: 6px 6px 0 #111;
  --card-lift: translate(-2px, -2px);
  --player-border: 4px solid #111;
}
[data-theme="poster"] a.card {
  border-width: 3px;
  border-color: #111;
}
[data-theme="poster"] .brand span {
  background: #111;
  color: #f5e642;
  padding: 0 0.25em;
}

/* 6. Ocean — deep navy + cyan */
[data-theme="ocean"] {
  --bg: #061525;
  --text: #e8f4ff;
  --muted: rgba(232, 244, 255, 0.6);
  --accent: #38bdf8;
  --line: rgba(56, 189, 248, 0.2);
  --card-bg: rgba(14, 48, 80, 0.7);
  --card-hover: rgba(14, 70, 110, 0.85);
  --font-display: Palatino, "Palatino Linotype", "Book Antiqua", serif;
  --font-body: system-ui, -apple-system, sans-serif;
  --radius: 18px;
  --bg-image: linear-gradient(165deg, #061525 0%, #0a2744 45%, #0c3a5c 100%);
  --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  --header-bg: rgba(6, 21, 37, 0.7);
  --header-blur: blur(10px);
}

/* 7. Arcade — lime on void */
[data-theme="arcade"] {
  --bg: #0a0a0a;
  --text: #d1fae5;
  --muted: rgba(209, 250, 229, 0.55);
  --accent: #84cc16;
  --line: rgba(132, 204, 22, 0.35);
  --card-bg: #111;
  --card-hover: #15200a;
  --font-display: "Lucida Console", "Courier New", monospace;
  --font-body: "Lucida Console", "Courier New", monospace;
  --radius: 0;
  --brand-case: uppercase;
  --brand-track: 0.2em;
  --h1-case: uppercase;
  --bg-image: radial-gradient(circle at 20% 20%, rgba(132, 204, 22, 0.08), transparent 40%),
              radial-gradient(circle at 80% 80%, rgba(52, 211, 153, 0.06), transparent 35%);
  --player-border: 1px solid var(--accent);
  --card-shadow: inset 0 0 0 1px rgba(132, 204, 22, 0.15);
}
[data-theme="arcade"] .card-num::before {
  content: "> ";
}

/* 8. Sakura — soft blush pink */
[data-theme="sakura"] {
  --bg: #fff0f3;
  --text: #4a1525;
  --muted: rgba(74, 21, 37, 0.55);
  --accent: #db2777;
  --line: rgba(219, 39, 119, 0.2);
  --card-bg: #ffffff;
  --card-hover: #ffe4ec;
  --font-display: Georgia, "Palatino Linotype", serif;
  --font-body: "Segoe UI", system-ui, sans-serif;
  --radius: 20px;
  --bg-image: radial-gradient(circle at 10% 0%, rgba(251, 113, 133, 0.2), transparent 40%);
  --card-shadow: 0 6px 20px rgba(219, 39, 119, 0.08);
}

/* 9. Forest — deep moss */
[data-theme="forest"] {
  --bg: #0c1a12;
  --text: #d8f3dc;
  --muted: rgba(216, 243, 220, 0.55);
  --accent: #52b788;
  --line: rgba(82, 183, 136, 0.25);
  --card-bg: #132a1c;
  --card-hover: #1a3826;
  --font-display: "Palatino Linotype", Palatino, serif;
  --font-body: system-ui, sans-serif;
  --radius: 8px;
  --bg-image: linear-gradient(180deg, #0c1a12, #14301f);
}

/* 10. Desert — adobe + turquoise */
[data-theme="desert"] {
  --bg: #e8d5b7;
  --text: #3d2b1f;
  --muted: rgba(61, 43, 31, 0.6);
  --accent: #0f766e;
  --line: rgba(61, 43, 31, 0.2);
  --card-bg: #f3e6d0;
  --card-hover: #ddd0b0;
  --font-display: "Trebuchet MS", sans-serif;
  --font-body: Arial, sans-serif;
  --radius: 2px;
  --header-border: 3px solid #0f766e;
}

/* 11. Ice — cold white blue */
[data-theme="ice"] {
  --bg: #f0f7ff;
  --text: #0c4a6e;
  --muted: rgba(12, 74, 110, 0.55);
  --accent: #0284c7;
  --line: rgba(2, 132, 199, 0.2);
  --card-bg: #ffffff;
  --card-hover: #e0f2fe;
  --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 12px;
  --bg-image: linear-gradient(180deg, #e0f2fe 0%, #f0f7ff 40%, #ffffff 100%);
  --card-shadow: 0 4px 16px rgba(2, 132, 199, 0.1);
}

/* 12. Lava — molten dark */
[data-theme="lava"] {
  --bg: #1a0a05;
  --text: #ffedd5;
  --muted: rgba(255, 237, 213, 0.55);
  --accent: #f97316;
  --line: rgba(249, 115, 22, 0.3);
  --card-bg: #2a1208;
  --card-hover: #3b1a0a;
  --font-display: Impact, "Arial Black", sans-serif;
  --font-body: system-ui, sans-serif;
  --brand-case: uppercase;
  --bg-image: radial-gradient(ellipse at bottom, rgba(220, 38, 38, 0.35), transparent 55%),
              radial-gradient(ellipse at top right, rgba(249, 115, 22, 0.2), transparent 40%);
  --player-border: 2px solid #f97316;
}

/* 13. Ink — sumi calligraphy */
[data-theme="ink"] {
  --bg: #f7f4ef;
  --text: #111111;
  --muted: rgba(17, 17, 17, 0.5);
  --accent: #111111;
  --line: #111111;
  --card-bg: transparent;
  --card-hover: rgba(0, 0, 0, 0.04);
  --font-display: "Songti SC", "SimSun", "Times New Roman", serif;
  --font-body: "Helvetica Neue", Arial, sans-serif;
  --header-border: 1px solid #111;
  --card-pad: 1rem 0;
  --grid-gap: 0;
}
[data-theme="ink"] a.card {
  border-left: none;
  border-right: none;
  border-top: none;
  border-bottom: 1px solid #111;
  border-radius: 0;
}

/* 14. Candy — playful pastels */
[data-theme="candy"] {
  --bg: #fdf2f8;
  --text: #701a75;
  --muted: rgba(112, 26, 117, 0.55);
  --accent: #ec4899;
  --line: rgba(236, 72, 153, 0.25);
  --card-bg: #ffffff;
  --card-hover: #fce7f3;
  --font-display: "Comic Sans MS", "Trebuchet MS", cursive;
  --font-body: "Trebuchet MS", sans-serif;
  --radius: 24px;
  --bg-image: radial-gradient(circle at 80% 10%, rgba(147, 197, 253, 0.45), transparent 35%),
              radial-gradient(circle at 10% 90%, rgba(249, 168, 212, 0.4), transparent 40%);
  --card-shadow: 0 8px 0 rgba(236, 72, 153, 0.15);
}

/* 15. Midnight — deep indigo + gold */
[data-theme="midnight"] {
  --bg: #0b1026;
  --text: #eef2ff;
  --muted: rgba(238, 242, 255, 0.55);
  --accent: #fbbf24;
  --line: rgba(251, 191, 36, 0.25);
  --card-bg: #141a38;
  --card-hover: #1c2448;
  --font-display: Georgia, serif;
  --font-body: system-ui, sans-serif;
  --radius: 6px;
  --bg-image: radial-gradient(ellipse at top, rgba(67, 56, 202, 0.35), transparent 50%);
  --header-border: 1px solid rgba(251, 191, 36, 0.35);
}

/* 16. Copper — warm metal */
[data-theme="copper"] {
  --bg: #1c1410;
  --text: #f5e6d3;
  --muted: rgba(245, 230, 211, 0.55);
  --accent: #c2410c;
  --line: rgba(194, 65, 12, 0.35);
  --card-bg: #2a1c14;
  --card-hover: #3a2618;
  --font-display: "Copperplate", "American Typewriter", serif;
  --font-body: Georgia, serif;
  --radius: 0;
  --brand-track: 0.08em;
  --player-border: 1px solid #c2410c;
}

/* 17. Frost — cool gray light */
[data-theme="frost"] {
  --bg: #e8eef2;
  --text: #1e293b;
  --muted: rgba(30, 41, 59, 0.55);
  --accent: #475569;
  --line: rgba(71, 85, 105, 0.25);
  --card-bg: #f8fafc;
  --card-hover: #ffffff;
  --font-display: "Avenir Next", "Segoe UI", sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 10px;
  --card-shadow: 0 2px 8px rgba(30, 41, 59, 0.06);
  --header-bg: rgba(232, 238, 242, 0.9);
}

/* 18. Jungle — vivid leaf */
[data-theme="jungle"] {
  --bg: #052e16;
  --text: #ecfdf5;
  --muted: rgba(236, 253, 245, 0.55);
  --accent: #a3e635;
  --line: rgba(163, 230, 53, 0.3);
  --card-bg: #14532d;
  --card-hover: #166534;
  --font-display: "Trebuchet MS", sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 16px;
  --h1-case: uppercase;
  --brand-case: uppercase;
  --bg-image: repeating-linear-gradient(
    -12deg,
    transparent,
    transparent 40px,
    rgba(163, 230, 53, 0.04) 40px,
    rgba(163, 230, 53, 0.04) 41px
  );
}

/* 19. Rosewood — wine velvet */
[data-theme="rosewood"] {
  --bg: #2a0a14;
  --text: #fce7f3;
  --muted: rgba(252, 231, 243, 0.55);
  --accent: #fb7185;
  --line: rgba(251, 113, 133, 0.3);
  --card-bg: #3b0f1c;
  --card-hover: #4c1526;
  --font-display: "Didot", "Bodoni MT", Georgia, serif;
  --font-body: Georgia, serif;
  --radius: 0;
  --header-border: 1px solid rgba(251, 113, 133, 0.4);
  --brand-track: 0.12em;
}

/* 20. Citrus — orange zest light */
[data-theme="citrus"] {
  --bg: #fff7ed;
  --text: #7c2d12;
  --muted: rgba(124, 45, 18, 0.55);
  --accent: #ea580c;
  --line: rgba(234, 88, 12, 0.25);
  --card-bg: #ffffff;
  --card-hover: #ffedd5;
  --font-display: "Arial Rounded MT Bold", "Trebuchet MS", sans-serif;
  --font-body: "Segoe UI", sans-serif;
  --radius: 18px;
  --bg-image: radial-gradient(circle at 100% 0%, rgba(253, 224, 71, 0.55), transparent 40%),
              radial-gradient(circle at 0% 100%, rgba(251, 146, 60, 0.25), transparent 40%);
  --card-lift: translateY(-3px);
}

/* 21. Graphite — pure grayscale */
[data-theme="graphite"] {
  --bg: #111111;
  --text: #e5e5e5;
  --muted: rgba(229, 229, 229, 0.5);
  --accent: #a3a3a3;
  --line: rgba(163, 163, 163, 0.3);
  --card-bg: #1a1a1a;
  --card-hover: #262626;
  --font-display: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-body: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --radius: 0;
  --brand-track: 0.2em;
  --brand-case: uppercase;
  --h1-case: uppercase;
}

/* 22. Coral — reef warm light */
[data-theme="coral"] {
  --bg: #fff5f2;
  --text: #7f1d1d;
  --muted: rgba(127, 29, 29, 0.55);
  --accent: #f43f5e;
  --line: rgba(244, 63, 94, 0.22);
  --card-bg: #ffffff;
  --card-hover: #ffe4e6;
  --font-display: Georgia, serif;
  --font-body: system-ui, sans-serif;
  --radius: 22px;
  --bg-image: linear-gradient(135deg, #fff5f2, #ffe4e6 50%, #fff7ed);
  --card-shadow: 0 10px 28px rgba(244, 63, 94, 0.1);
}

/* 23. Dusk — sunset horizon */
[data-theme="dusk"] {
  --bg: #1a1025;
  --text: #fde68a;
  --muted: rgba(253, 230, 138, 0.55);
  --accent: #fb923c;
  --line: rgba(251, 146, 60, 0.3);
  --card-bg: rgba(45, 20, 60, 0.8);
  --card-hover: rgba(60, 25, 75, 0.9);
  --font-display: Georgia, serif;
  --font-body: system-ui, sans-serif;
  --radius: 12px;
  --bg-image: linear-gradient(180deg, #1a1025 0%, #3b1d4a 40%, #7c2d12 100%);
  --header-bg: rgba(26, 16, 37, 0.75);
  --header-blur: blur(8px);
}

/* 24. Arctic — near-white steel */
[data-theme="arctic"] {
  --bg: #fafbfc;
  --text: #0f172a;
  --muted: rgba(15, 23, 42, 0.5);
  --accent: #0ea5e9;
  --line: #cbd5e1;
  --card-bg: #ffffff;
  --card-hover: #f1f5f9;
  --font-display: "Segoe UI", system-ui, sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 8px;
  --card-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
  --header-border: 1px solid #e2e8f0;
  --player-border: 1px solid #e2e8f0;
}

/* 25. Mocha — coffee shop */
[data-theme="mocha"] {
  --bg: #2c1810;
  --text: #efe2d3;
  --muted: rgba(239, 226, 211, 0.55);
  --accent: #d6a56c;
  --line: rgba(214, 165, 108, 0.3);
  --card-bg: #3d2418;
  --card-hover: #4a2d1e;
  --font-display: "American Typewriter", "Courier New", serif;
  --font-body: Georgia, serif;
  --radius: 6px;
  --bg-image: radial-gradient(ellipse at center, #3d2418, #2c1810);
}

/* 26. Neonpink — hot pink void */
[data-theme="neonpink"] {
  --bg: #0c0010;
  --text: #fce7f3;
  --muted: rgba(252, 231, 243, 0.55);
  --accent: #f0abfc;
  --line: rgba(240, 171, 252, 0.4);
  --card-bg: #1a0020;
  --card-hover: #2a0035;
  --font-display: "Lucida Console", monospace;
  --font-body: "Lucida Console", monospace;
  --radius: 0;
  --brand-case: uppercase;
  --brand-track: 0.18em;
  --h1-case: uppercase;
  --player-border: 1px solid #f0abfc;
  --card-shadow: 0 0 20px rgba(240, 171, 252, 0.12);
  --bg-image: radial-gradient(circle at 50% 0%, rgba(217, 70, 239, 0.25), transparent 45%);
}

/* 27. Blueprint — technical print */
[data-theme="blueprint"] {
  --bg: #1e3a8a;
  --text: #dbeafe;
  --muted: rgba(219, 234, 254, 0.65);
  --accent: #93c5fd;
  --line: rgba(147, 197, 253, 0.4);
  --card-bg: #1e40af;
  --card-hover: #1d4ed8;
  --font-display: "Courier New", Courier, monospace;
  --font-body: "Courier New", Courier, monospace;
  --radius: 0;
  --bg-image: linear-gradient(rgba(147, 197, 253, 0.08) 1px, transparent 1px),
              linear-gradient(90deg, rgba(147, 197, 253, 0.08) 1px, transparent 1px);
  --header-border: 2px solid #93c5fd;
  --player-border: 1px dashed #93c5fd;
}
html[data-theme="blueprint"] body {
  background-size: 24px 24px;
}

/* 28. Matcha — soft tea green */
[data-theme="matcha"] {
  --bg: #f0f5e8;
  --text: #365314;
  --muted: rgba(54, 83, 20, 0.55);
  --accent: #65a30d;
  --line: rgba(101, 163, 13, 0.25);
  --card-bg: #ffffff;
  --card-hover: #ecfccb;
  --font-display: "Hiragino Mincho ProN", "Songti SC", Georgia, serif;
  --font-body: "Hiragino Sans", "Segoe UI", sans-serif;
  --radius: 12px;
  --bg-image: radial-gradient(ellipse at top left, rgba(190, 242, 100, 0.35), transparent 45%);
}

/* 29. Vermillion — lacquer red */
[data-theme="vermillion"] {
  --bg: #140808;
  --text: #fff1f0;
  --muted: rgba(255, 241, 240, 0.55);
  --accent: #ef4444;
  --line: rgba(239, 68, 68, 0.35);
  --card-bg: #1f0c0c;
  --card-hover: #2a1010;
  --font-display: "Arial Black", Impact, sans-serif;
  --font-body: Arial, sans-serif;
  --brand-case: uppercase;
  --h1-case: uppercase;
  --header-border: 3px solid #ef4444;
  --radius: 0;
}

/* 30. Sandstorm — dusty ochre */
[data-theme="sandstorm"] {
  --bg: #c4a574;
  --text: #2a2118;
  --muted: rgba(42, 33, 24, 0.6);
  --accent: #78350f;
  --line: rgba(120, 53, 15, 0.3);
  --card-bg: #d4b896;
  --card-hover: #e0c9a8;
  --font-display: "Rockwell", "Courier New", serif;
  --font-body: Georgia, serif;
  --radius: 4px;
  --bg-image: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 3px,
    rgba(120, 53, 15, 0.04) 3px,
    rgba(120, 53, 15, 0.04) 4px
  );
}

/* 31. Orchid — muted mauve */
[data-theme="orchid"] {
  --bg: #f5f0f7;
  --text: #4c1d55;
  --muted: rgba(76, 29, 85, 0.55);
  --accent: #a21caf;
  --line: rgba(162, 28, 175, 0.2);
  --card-bg: #ffffff;
  --card-hover: #fae8ff;
  --font-display: "Didot", "Bodoni MT", Georgia, serif;
  --font-body: "Segoe UI", sans-serif;
  --radius: 16px;
  --card-shadow: 0 8px 24px rgba(162, 28, 175, 0.08);
}

/* 32. Steel — brushed silver light */
[data-theme="steel"] {
  --bg: #d1d5db;
  --text: #111827;
  --muted: rgba(17, 24, 39, 0.55);
  --accent: #374151;
  --line: #6b7280;
  --card-bg: #e5e7eb;
  --card-hover: #f3f4f6;
  --font-display: "Arial Narrow", Arial, sans-serif;
  --font-body: Arial, sans-serif;
  --radius: 2px;
  --brand-case: uppercase;
  --brand-track: 0.15em;
  --header-border: 2px solid #374151;
  --card-shadow: inset 0 1px 0 #fff, 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* 33. Vineyard — grape + gold */
[data-theme="vineyard"] {
  --bg: #2e1065;
  --text: #f5f3ff;
  --muted: rgba(245, 243, 255, 0.55);
  --accent: #fbbf24;
  --line: rgba(251, 191, 36, 0.3);
  --card-bg: #3b1d7a;
  --card-hover: #4c1d95;
  --font-display: Georgia, "Times New Roman", serif;
  --font-body: system-ui, sans-serif;
  --radius: 10px;
  --bg-image: radial-gradient(ellipse at bottom right, rgba(124, 58, 237, 0.4), transparent 50%);
  --header-border: 1px solid rgba(251, 191, 36, 0.4);
}

/* 34. Lagoon — tropical water */
[data-theme="lagoon"] {
  --bg: #042f2e;
  --text: #ccfbf1;
  --muted: rgba(204, 251, 241, 0.55);
  --accent: #2dd4bf;
  --line: rgba(45, 212, 191, 0.3);
  --card-bg: #0f3f3d;
  --card-hover: #134e4a;
  --font-display: "Trebuchet MS", sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 20px;
  --bg-image: linear-gradient(160deg, #042f2e, #0e4a4a 50%, #115e59);
  --card-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}

/* 35. Charcoal — soft dark gray */
[data-theme="charcoal"] {
  --bg: #2d2d2d;
  --text: #f0f0f0;
  --muted: rgba(240, 240, 240, 0.55);
  --accent: #ffffff;
  --line: rgba(255, 255, 255, 0.15);
  --card-bg: #3a3a3a;
  --card-hover: #454545;
  --font-display: "Gill Sans", "Trebuchet MS", sans-serif;
  --font-body: system-ui, sans-serif;
  --radius: 8px;
}

/* 36. Honey — warm gold light */
[data-theme="honey"] {
  --bg: #fffbeb;
  --text: #78350f;
  --muted: rgba(120, 53, 15, 0.55);
  --accent: #d97706;
  --line: rgba(217, 119, 6, 0.3);
  --card-bg: #ffffff;
  --card-hover: #fef3c7;
  --font-display: Georgia, serif;
  --font-body: Georgia, serif;
  --radius: 14px;
  --bg-image: radial-gradient(circle at 30% 20%, rgba(252, 211, 77, 0.45), transparent 40%);
  --card-shadow: 0 6px 18px rgba(217, 119, 6, 0.1);
}

/* 37. Matrix — classic green rain */
[data-theme="matrix"] {
  --bg: #000800;
  --text: #22c55e;
  --muted: rgba(34, 197, 94, 0.55);
  --accent: #4ade80;
  --line: rgba(74, 222, 128, 0.35);
  --card-bg: #001400;
  --card-hover: #002000;
  --font-display: "Courier New", Courier, monospace;
  --font-body: "Courier New", Courier, monospace;
  --radius: 0;
  --brand-case: uppercase;
  --brand-track: 0.25em;
  --h1-case: uppercase;
  --bg-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(34, 197, 94, 0.03) 2px,
    rgba(34, 197, 94, 0.03) 4px
  );
  --player-border: 1px solid #22c55e;
}
[data-theme="matrix"] .card-num::before {
  content: "0x";
}