:root {
  --gold: #ffb000;
  --gold-dim: rgba(255, 176, 0, 0.55);
  --gold-faint: rgba(255, 176, 0, 0.18);
  --bg: #0d0a05;
  --panel: #17120b;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 176, 0, 0.08), transparent),
    var(--bg);
  color: #e8d5ab;
  font-family: Consolas, 'Cascadia Mono', 'Courier New', monospace;
  line-height: 1.55;
}
a { color: var(--gold); }
h1, h2 { color: var(--gold); letter-spacing: 2px; }

#errbar {
  background: #3a0d08;
  color: #ff8d7a;
  border-bottom: 1px solid #ff4a38;
  padding: 8px 14px;
  font-size: 12px;
  letter-spacing: 1px;
}
.hero { text-align: center; padding: clamp(36px, 7vh, 84px) 20px clamp(24px, 4vh, 48px); }
.hero .hint { margin-top: 12px; }
.kicker { color: var(--gold-dim); letter-spacing: 4px; font-size: 12px; }
.hero h1 { font-size: clamp(28px, 6vw, 56px); line-height: 1.15; margin: 18px 0 10px; }
.hero h1 em { font-style: normal; color: #fff3cf; text-shadow: 0 0 24px rgba(255, 176, 0, 0.6); }
.joke { color: var(--gold-dim); font-style: italic; margin-bottom: 18px; }
.hero .sub { max-width: 640px; margin: 0 auto 26px; color: #cdb98d; font-size: 14px; }
.cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

.btn {
  display: inline-block;
  background: transparent;
  border: 1px solid var(--gold-dim);
  color: var(--gold);
  font: inherit;
  font-size: 12px;
  letter-spacing: 1.5px;
  padding: 9px 16px;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  text-align: left;
  transition: background 0.15s, box-shadow 0.15s;
}
.btn:hover:not(:disabled) { background: var(--gold-faint); box-shadow: 0 0 14px rgba(255, 176, 0, 0.25); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.gold { background: var(--gold-faint); border-color: var(--gold); }

main { max-width: 1080px; margin: 0 auto; padding: 0 16px; }
section { margin-bottom: clamp(32px, 6vh, 72px); }
section h2 { font-size: 20px; margin-bottom: 8px; }
.sub { color: #cdb98d; font-size: 14px; }

.viewer-head { display: flex; align-items: baseline; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.autolabel { color: var(--gold-dim); font-size: 12px; letter-spacing: 1px; cursor: pointer; }
.autolabel input { accent-color: var(--gold); }
.viewer-flex { display: flex; gap: 22px; align-items: flex-start; flex-wrap: wrap; }
.hud-wrap {
  width: 440px; height: 760px; max-width: 100%;
  flex: 0 0 auto;
  border-radius: 8px;
  box-shadow: 0 0 40px rgba(255, 176, 0, 0.12);
}
#hud { width: 100%; height: 100%; display: block; }
.controls { flex: 1 1 220px; display: flex; flex-direction: column; gap: 8px; max-width: 320px; }
.controls-title { color: var(--gold-dim); font-size: 11px; letter-spacing: 3px; }
.controls hr { border: none; border-top: 1px solid var(--gold-faint); margin: 8px 0; }
.hint { font-size: 11px; color: #a08c62; }
.hint code { color: #cdb98d; }

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(132px, 1fr));
  gap: 10px;
  margin-top: 18px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--gold-faint);
  border-radius: 6px;
  padding: 6px 6px 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.card:hover { border-color: var(--gold-dim); box-shadow: 0 0 16px rgba(255, 176, 0, 0.18); }
.card.active { border-color: var(--gold); box-shadow: 0 0 18px rgba(255, 176, 0, 0.3); }
.card span {
  color: var(--gold-dim);
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 1px;
  text-align: center;
}
.card canvas { max-width: 100%; }

.about-section p { max-width: 760px; margin-bottom: 12px; font-size: 14px; color: #cdb98d; }

footer {
  border-top: 1px solid var(--gold-faint);
  margin-top: clamp(24px, 4vh, 48px);
  padding: 22px 16px 40px;
  text-align: center;
  font-size: 11px;
  color: #8a7853;
}
footer p { max-width: 720px; margin: 0 auto 10px; }
footer .credits { color: #a08c62; }
footer b { color: #cdb98d; font-weight: normal; }