:root {
  --bg: #15131f;
  --panel: #1f1c2c;
  --panel2: #282438;
  --line: #3a3550;
  --text: #f1eee8;
  --dim: #a9a3b8;
  --gold: #ffd76a;
  --gold-dk: #b8902a;
  --bad: #ff8a7a;
  --good: #8fdc9a;
  --r: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, 'Segoe UI', sans-serif; }
header { padding: 22px 28px 6px; }
header h1 { margin: 0; font-size: 26px; letter-spacing: 0.2px; }
header h1::before { content: ''; display: inline-block; width: 14px; height: 14px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 14px var(--gold); margin-right: 10px; vertical-align: 2px; }
header p { margin: 4px 0 0; color: var(--dim); }
main { display: grid; grid-template-columns: minmax(340px, 1fr) minmax(420px, 1.25fr); gap: 22px; padding: 16px 28px 28px; align-items: start; }
@media (max-width: 960px) { main { grid-template-columns: 1fr; } .stage { position: static !important; order: -1; } }
footer { color: var(--dim); font-size: 13px; padding: 0 28px 28px; }
footer a { color: var(--dim); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; margin-bottom: 16px; }
.card h2 { margin: 0 0 12px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.num { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 50%; background: var(--gold); color: #1a1626; font-size: 13px; font-weight: 700; }
.opt { color: var(--dim); font-weight: 400; font-size: 13px; }
.note { color: var(--dim); font-size: 13px; margin: 8px 0 0; }
.note.bad, .status.bad { color: var(--bad); }
.note.good, .status.good { color: var(--good); }

.depth-toggle { display: flex; gap: 10px; align-items: flex-start; margin: 0 0 12px; padding: 9px 12px; border: 1px solid var(--gold-dk); border-radius: 8px; background: #2a2519; cursor: pointer; font-size: 14px; }
.depth-toggle input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--gold, #e8c45a); }
.depth-toggle .dim { color: var(--dim); font-size: 13px; }
.depth-toggle.off { opacity: 0.55; }
.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tabs button { flex: 1; background: var(--panel2); color: var(--dim); border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; font: inherit; cursor: pointer; }
.tabs button.on { color: var(--text); border-color: var(--gold-dk); background: #332d22; }

.worlds { display: grid; grid-template-columns: repeat(auto-fill, minmax(132px, 1fr)); gap: 10px; max-height: 360px; overflow-y: auto; padding: 2px 4px 2px 0; }
.world { background: var(--panel2); border: 2px solid transparent; border-radius: 10px; padding: 0; cursor: pointer; text-align: left; color: var(--text); font: inherit; overflow: hidden; }
.world:hover { border-color: var(--line); }
.world.on { border-color: var(--gold); }
.world canvas, .world img { display: block; width: 100%; height: auto; aspect-ratio: 8 / 5; background: #0e0c1a; image-rendering: pixelated; }
.world .name { display: block; padding: 6px 8px 0; font-size: 13px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.world .meta { display: block; padding: 0 8px 7px; font-size: 11px; color: var(--dim); }
.world.mine .meta { color: var(--gold); }

.genres { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 8px; }
.genre { background: var(--panel2); border: 2px solid transparent; border-radius: 10px; padding: 9px 11px; text-align: left; color: var(--text); font: inherit; cursor: pointer; }
.genre b { display: block; font-size: 14px; }
.genre small { display: block; color: var(--dim); font-size: 12px; margin-top: 2px; }
.genre:hover:not(:disabled) { border-color: var(--line); }
.genre.on { border-color: var(--gold); }
.genre:disabled { cursor: default; opacity: 0.5; }
.genre .why { color: var(--bad); }
.genre .soon { color: var(--gold); }

.knobs { display: grid; grid-template-columns: 1fr; gap: 10px; }
.knobs.style { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.knob { display: grid; grid-template-columns: 1fr auto; gap: 2px 10px; align-items: center; font-size: 14px; }
.knob input[type=range] { grid-column: 1 / -1; width: 100%; accent-color: var(--gold); }
.knob output { color: var(--gold); font-variant-numeric: tabular-nums; }
.field { display: block; font-size: 14px; color: var(--dim); }
.field.inline { display: flex; flex-direction: column; gap: 3px; }
.field textarea, .field select, .field input, #localModel { width: 100%; margin-top: 4px; background: #14121c; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; font: inherit; }
.field.inline select, .field.inline input { margin-top: 0; }
textarea { resize: vertical; }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 10px 0; }
.row .label { color: var(--dim); font-size: 14px; margin-right: 2px; }
.pill { background: var(--panel2); border: 1px solid var(--line); border-radius: 99px; padding: 4px 11px; font-size: 13px; cursor: pointer; }
.pill input { accent-color: var(--gold); margin: 0 4px 0 0; vertical-align: -1px; }

.drop { display: block; border: 2px dashed var(--line); border-radius: 10px; padding: 14px; text-align: center; color: var(--dim); font-size: 13px; cursor: pointer; }
.drop.over { border-color: var(--gold); color: var(--text); }
.drop input { display: block; margin: 0 auto 8px; color: var(--dim); }
#idea { margin-bottom: 8px; }

button.primary, button.secondary { font: inherit; font-weight: 600; border-radius: 10px; padding: 10px 20px; cursor: pointer; border: 1px solid var(--gold-dk); }
button.primary { background: var(--gold); color: #1a1626; }
button.primary:hover { filter: brightness(1.06); }
button.secondary { background: transparent; color: var(--gold); }
button.secondary:hover { background: #2c2618; }
button:disabled { opacity: 0.5; cursor: default; }
button.link { background: none; border: none; color: var(--gold); font: inherit; font-size: 13px; padding: 0; cursor: pointer; text-decoration: underline; }

.stage { position: sticky; top: 14px; }
.screen { position: relative; border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); background: #0e0c1a; aspect-ratio: 8 / 5; }
.screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; display: block; }
.screen-note { position: absolute; inset: 0; display: grid; place-items: center; color: var(--dim); pointer-events: none; font-size: 15px; }
.screen-note[hidden] { display: none; }
.actions { display: flex; gap: 10px; margin-top: 12px; }
.status { min-height: 1.4em; margin: 10px 0 6px; color: var(--dim); font-size: 14px; }
details { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 10px 14px; }
summary { cursor: pointer; font-weight: 600; }
#rules { width: 100%; margin-top: 8px; background: #14121c; color: var(--text); border: 1px solid var(--line); border-radius: 8px; padding: 9px; font: 12.5px/1.45 ui-monospace, 'SF Mono', Menlo, Consolas, monospace; }
.badge { font-size: 12px; font-weight: 400; margin-left: 6px; }
.badge.good { color: var(--good); }
.badge.bad { color: var(--bad); }
.errors { margin: 8px 0; padding-left: 18px; color: var(--bad); font-size: 13px; }
[hidden] { display: none !important; } /* (a row hidden by the page stays hidden, whatever its own display) */