:root{color-scheme:dark;--paper:#f1e8d5;--muted:#c1b6a0;--line:rgba(239,224,196,.23);--ink:#28261f;font-family:Arial,Helvetica,sans-serif;background:#282720;color:var(--paper)}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden}button{font:inherit}button{cursor:pointer}button:focus-visible{outline:2px solid #e6c58b;outline-offset:5px}[hidden]{display:none!important}
#scene,#scene canvas{width:100%;height:100%;display:block}#scene{position:fixed;inset:0}#scene canvas{touch-action:none}
.museum-shell{isolation:isolate;width:100%;height:100%;min-height:100svh}
.masthead{position:fixed;top:0;left:0;right:0;display:flex;align-items:flex-start;justify-content:space-between;padding:28px 34px 60px;pointer-events:none;background:linear-gradient(180deg,rgba(22,24,21,.58),transparent);z-index:3}
.brand{display:flex;align-items:center;gap:14px;text-shadow:0 1px 8px #29211780}.stamp{width:52px;height:52px;display:grid;place-items:center;border:1px solid var(--paper);border-radius:50%;font:27px Georgia,serif;box-shadow:inset 0 0 0 4px #ffffff08}.kicker{font-size:9px;letter-spacing:.27em;line-height:1.6}.brand h1{margin:4px 0 0;font-family:Georgia,'Times New Roman',serif;font-size:23px;line-height:1.1;font-weight:400;letter-spacing:.025em}.brand small{display:block;font-size:10px;letter-spacing:.12em;margin-top:6px;opacity:.77}
.utilities{pointer-events:auto;display:flex;gap:9px;align-items:center}.utility{border:1px solid var(--line);background:rgba(24,26,22,.57);border-radius:4px;backdrop-filter:blur(12px);color:var(--paper);height:37px;padding:0 13px;font-size:11px;letter-spacing:.035em}.utility:hover{background:#3f4237b3}.utility[aria-pressed=true]{background:#e9ddc4;color:#34352d}.help-button{width:37px;padding:0;border-radius:50%;font:italic 18px Georgia,serif}
.bottom{position:fixed;bottom:22px;left:32px;right:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:20px;z-index:3}.view-caption{pointer-events:none;text-shadow:0 1px 9px #20180e}.view-caption span{display:block;font-size:9px;letter-spacing:.20em;opacity:.72;margin-bottom:8px}.view-caption strong{font:20px Georgia,serif;font-weight:400}.view-caption p{font-size:10px;margin:10px 0 0;opacity:.75}
.view-nav{display:flex;align-items:center;gap:4px;padding:5px;background:rgba(26,29,24,.86);border:1px solid var(--line);border-radius:7px;backdrop-filter:blur(18px);box-shadow:0 5px 20px #15170f33}.view-nav button{border:0;color:#ded6c2;background:transparent;padding:11px 17px;font-size:11px;border-radius:3px;white-space:nowrap;transition:background .2s,color .2s}.view-nav button span{font-family:Georgia,serif;opacity:.6;margin-right:7px}.view-nav button.active{background:#e5dcc7;color:#34342c}.view-nav button:hover:not(.active){background:#f1ead515}
.card{position:fixed;z-index:5;left:32px;bottom:115px;width:min(380px,calc(100vw - 40px));padding:23px 25px 25px;background:rgba(30,32,26,.94);backdrop-filter:blur(18px);border:1px solid var(--line);border-radius:4px;box-shadow:0 12px 45px #18171042}.card h2{font:25px/1.15 Georgia,serif;font-weight:400;margin:12px 25px 13px 0}.card p{font-size:13px;line-height:1.65;color:#d4ccb8;margin:0}.close{position:absolute;right:12px;top:11px;border:0;background:none;color:var(--paper);font-size:23px;line-height:1}.help-card{left:auto;right:34px;top:82px;bottom:auto;width:305px}.help-card h2{font-size:22px;margin-top:0}.help-card p+p{margin-top:10px}kbd{font:11px Arial,sans-serif;border:1px solid var(--line);border-radius:3px;padding:2px 5px;background:#ffffff08}
.loading{position:fixed;inset:0;z-index:10;display:grid;place-items:center;text-align:center;background:radial-gradient(ellipse at 50% 30%,#514a38,#20251e)}.loading .seal{width:80px;height:80px;display:grid;place-items:center;border:1px solid #d5c19a;border-radius:50%;margin:0 auto 27px;font:42px Georgia,serif;box-shadow:inset 0 0 0 6px #dfc89b08}.loading h2{font:36px Georgia,serif;margin:13px 0 20px;font-weight:400}.loading p{font-size:12px;color:var(--muted)}.loading-line{width:150px;height:1px;background:#c0ab8233;margin:24px auto;overflow:hidden}.loading-line:after{content:'';display:block;width:45%;height:1px;background:#e3cfa5;animation:loading 1.5s infinite ease-in-out}@keyframes loading{from{transform:translateX(-110%)}to{transform:translateX(340%)}}
.error{position:fixed;z-index:20;inset:0;display:grid;place-items:center;background:#242920ed}.error section{width:min(500px,calc(100vw - 40px));border:1px solid var(--line);padding:32px;background:#2f3228}.error h2{font:26px Georgia,serif}.error p{font-size:14px;line-height:1.65;color:#d9cfb8}.error button{margin-top:15px;border:1px solid #d7c8a5;background:transparent;color:#f1e8d5;padding:11px 17px}
@media(max-width:900px){.view-caption p{display:none}.view-nav button{padding:11px 12px}.bottom{left:22px;right:22px}.masthead{padding:22px 24px 50px}.brand h1{font-size:21px}.brand .kicker{font-size:8px}}
@media(max-width:680px){.masthead{padding:20px 18px 50px}.stamp{width:39px;height:39px;font-size:23px}.brand{gap:10px}.brand h1{font-size:17px}.brand small{font-size:8px;margin-top:5px}.brand .kicker{font-size:7px;letter-spacing:.18em}.utilities{gap:6px}.utility{font-size:10px;height:32px;padding:0 10px}#tour{display:none}.help-button{width:32px;padding:0}.bottom{left:14px;right:14px;bottom:16px;display:block}.view-caption{margin:0 0 13px 6px}.view-caption span{font-size:8px;margin-bottom:5px}.view-caption strong{font-size:19px}.view-nav{width:100%;justify-content:space-between}.view-nav button{flex:1;padding:12px 5px;font-size:10px}.view-nav button span{display:none}.card{left:16px;bottom:138px;padding:20px;width:calc(100vw - 32px)}.help-card{left:auto;right:16px;top:77px;bottom:auto;width:285px}.brand small{max-width:140px}.loading h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}