:root{color-scheme:dark;--bg:#07131d;--panel:#101f2b;--panel2:#162a37;--border:#304554;--ivory:#f6ead3;--dim:#9cb1bc;--accent:#d9a858;--teal:#60d1cc;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}
*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--ivory)}button,select,input{font:inherit}button{cursor:pointer;color:inherit}button:disabled{opacity:.43;cursor:not-allowed}a{color:#f7c780}
body::before{content:'';position:fixed;inset:-20%;pointer-events:none;background:radial-gradient(ellipse at 35% 10%,#29445733,transparent 42%);z-index:-1}
.site-header{display:flex;justify-content:space-between;gap:20px;align-items:center;padding:18px clamp(18px,3vw,44px);border-bottom:1px solid #ffffff17}
.brand{font-family:Georgia,serif;font-size:19px;letter-spacing:.05em}.brand span{color:var(--accent)}.header-right{font-size:11px;text-transform:uppercase;letter-spacing:.13em;color:var(--dim)}
.intro{padding:26px clamp(18px,3vw,44px) 19px}.eyebrow{color:var(--teal);font-size:11px;letter-spacing:.21em;text-transform:uppercase;font-weight:800}.intro h1{font-family:Georgia,serif;font-weight:400;line-height:1.04;letter-spacing:-.025em;margin:8px 0 8px;font-size:clamp(28px,3.6vw,53px)}.intro p{max-width:900px;color:var(--dim);line-height:1.55;margin:0;font-size:14px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:16px;padding:0 clamp(18px,3vw,44px) 24px;align-items:start}
.museum-card{border:1px solid var(--border);border-radius:13px;overflow:hidden;background:linear-gradient(130deg,#142734,#08151d)}
#viewport{position:relative;min-height:540px;height:min(67vh,730px);border-bottom:1px solid var(--border);overflow:hidden;touch-action:none}
#scene{display:block;width:100%;height:100%;touch-action:none;cursor:grab}#scene:active{cursor:grabbing}
#loader{position:absolute;inset:auto 18px 20px;pointer-events:none;text-align:center;text-shadow:0 2px 12px #000;font-size:13px;color:var(--accent);font-weight:600}
.overlay-top{position:absolute;top:16px;left:17px;right:17px;display:flex;gap:9px;justify-content:space-between;pointer-events:none;align-items:start}
.overlay-top>*{background:#091721d9;border:1px solid #ffffff22;padding:8px 11px;border-radius:8px;font-size:10px;letter-spacing:.09em;color:#dbe8ea}
.live-dot{display:inline-block;width:7px;height:7px;background:#76d8a6;border-radius:50%;margin-right:6px;box-shadow:0 0 9px #5ee7bc}
.overlay-bottom{position:absolute;bottom:17px;left:18px;right:18px;display:flex;gap:9px;align-items:center;justify-content:space-between;pointer-events:none}
.hint{color:#d3e0e6;font-size:11px;background:#061520b5;padding:8px 10px;border-radius:9px}.ghost{background:#061520d9;border:1px solid #5b6770;padding:8px 12px;border-radius:8px;pointer-events:auto;font-size:12px}
.control-deck{padding:16px 18px 18px}.mode-row{display:flex;flex-wrap:wrap;gap:8px}.mode-btn{background:#1d3040;border:1px solid #445766;border-radius:7px;padding:10px 13px;font-size:12px;font-weight:700;letter-spacing:.02em;transition:background .15s}.mode-btn:hover{background:#294256}.mode-btn.active{background:#b88b4c;color:#101c23;border-color:#d7b879}
.mode-help{font-size:12px;color:var(--dim);margin:12px 0 0;line-height:1.45}.deck-row{display:flex;align-items:center;flex-wrap:wrap;justify-content:space-between;gap:10px;margin-top:16px}.deck-left{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:12px;color:#ccdae0}
select{color:var(--ivory);background:#1b3444;border:1px solid #456276;border-radius:7px;padding:8px 10px}.small-btn{border:1px solid #526677;background:#203545;border-radius:6px;padding:8px 10px;font-size:11px}
.parameter-row{margin-top:13px;display:flex;gap:12px;align-items:center}.parameter-row label{font-size:12px;min-width:112px}.parameter-row input{flex:1}.parameter-row strong{font-size:12px;color:#f3ca88;min-width:43px}
input[type=range]{accent-color:#d6a85e;min-width:0}
.sidelane{display:flex;flex-direction:column;gap:14px}.sidelane .box{padding:17px;background:var(--panel);border:1px solid var(--border);border-radius:12px}.sidelane h2{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:#ebbf7d;margin:0 0 12px}.muted,.small-note{font-size:12px;line-height:1.55;color:var(--dim)}
#componentInfo b{display:block;font-family:Georgia,serif;font-size:18px;font-weight:normal;line-height:1.2;color:#fff}#componentInfo dl{font-size:12px;line-height:1.46;display:grid;grid-template-columns:83px 1fr;gap:7px;margin-bottom:0}#componentInfo dt{color:#9bb2bd}#componentInfo dd{margin:0;color:#edf3f2;overflow-wrap:anywhere}
.inspector-actions{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-top:14px}.inspector-actions button{font-size:11px;padding:10px 6px;border-radius:6px;background:#233b49;border:1px solid #486272}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.stat{background:#18303b;padding:12px 10px;border-radius:7px}.stat b{font-size:19px;font-weight:700;color:#fcdfb0}.stat small{font-size:10px;color:var(--dim);display:block;line-height:1.4;margin-top:4px}
.inputs{display:grid;grid-template-columns:1fr 1fr;gap:13px}.inputs label{font-size:11px;line-height:1.5;color:#b7cbd2}.inputs label strong{float:right;color:#f1c78e}.inputs input{width:100%;display:block;margin:6px 0 0}
.metric-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:15px 0}.metric{background:#1a3443;border-radius:7px;padding:10px}.metric strong{font-size:19px;display:block;font-variant-numeric:tabular-nums}.metric small{color:var(--dim);font-size:10px}.metric span{color:#dcb36c;font-size:11px}
.formula{font-size:12px;background:#0b1b25;padding:12px;border-radius:8px;border-left:2px solid #4cbab9;line-height:1.6}.formula code{color:#f5c786;font-size:11px}.formula p{margin:8px 0 0;overflow-wrap:anywhere}.warning{color:#ffb6a4!important}
.quizOption{display:block;width:100%;text-align:left;margin:8px 0;background:#1c3544;border:1px solid #3e6270;border-radius:7px;padding:11px 12px;font-size:12px}.quizOption.correct{background:#204c45;border-color:#8adebd}.quizOption.incorrect{background:#613b36;border-color:#db9182}#quizQuestion{font-weight:650;font-size:14px;line-height:1.45;margin:8px 0 14px}#quizFeedback{font-size:12px;color:#cbdfdc;line-height:1.45;min-height:30px}#quizNext{margin-top:8px}
footer{border-top:1px solid var(--border);padding:24px clamp(18px,3vw,44px) 45px;color:#9aafbb;font-size:12px;line-height:1.75}
footer .source-title{color:#f1cf97}footer a{overflow-wrap:anywhere}
[hidden]{display:none!important}
@media(max-width:1040px){.layout{grid-template-columns:minmax(0,1fr) 270px}.sidelane .box{padding:13px}#viewport{height:59vh;min-height:430px}}
@media(max-width:780px){.layout{display:flex;flex-direction:column}.museum-card,.sidelane{width:100%}.sidelane{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start}.span2{grid-column:span 2}#viewport{height:55vh;min-height:355px}.intro h1{font-size:30px}}
@media(max-width:520px){.layout{padding:0 11px 22px;gap:12px}.intro{padding:20px 15px 14px}.intro h1{font-size:28px}.header-right{display:none}.site-header{padding:14px 16px}.sidelane{display:flex}.mode-btn{font-size:11px;padding:9px 10px}#viewport{height:53vh;min-height:345px}.overlay-top .model-info{display:none}.mode-help{font-size:11px}.hint{font-size:10px}.control-deck{padding:12px}.inputs{gap:10px}}
.embed .site-header,.embed .intro,.embed footer{display:none}.embed .layout{padding:0;gap:8px}.embed #viewport{height:min(69vh,650px)}.embed .sidelane .box{padding:10px}