:root{--ink:#142824;--paper:#eee8dc;--gold:#ceb17a;--line:#c9b68b40;--muted:#b4bfb3;--serif:Georgia,'Nirmala UI',serif;--sans:'Nirmala UI',system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;overflow:hidden;background:var(--ink);color:var(--paper);font:15px var(--sans)}button,input{font:inherit}button{cursor:pointer;color:inherit;background:none;border:0}button:disabled{opacity:.35}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:4px}button,a{transition:background .2s,color .2s,border-color .2s,transform .2s}#canvas{position:fixed;inset:0}canvas{width:100%;height:100%;display:block;touch-action:none}.museum-header{position:fixed;inset:0 0 auto;z-index:3;height:86px;display:flex;align-items:center;gap:30px;padding:0 34px;background:#122722ed;border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px}.brand-mark{display:grid;place-items:center;width:42px;height:50px;color:var(--gold)}.brand-mark svg{width:35px;height:45px}.brand strong{display:block;font-size:19px;font-weight:600}.brand small{display:block;font-size:10px;letter-spacing:2px;color:var(--gold);margin-top:2px}.breadcrumb{display:flex;gap:14px;margin-left:auto;font-size:12px;color:var(--muted)}.crumb-divider{opacity:.3}#roomLabel{color:var(--paper)}.header-actions{display:flex;align-items:center;gap:20px}.quiet-link{font-size:12px;color:var(--gold)}.icon-button{padding:9px 12px;border:1px solid var(--line);border-radius:30px;font-size:12px;min-height:36px}.icon-button:hover{background:#ffffff10;border-color:var(--gold)}.eyebrow{font:600 9px system-ui;letter-spacing:2.4px;color:var(--gold)}#launcher{position:fixed;inset:86px 0 0;display:grid;grid-template-columns:57% 43%;background:var(--ink);z-index:4}.entrance-image{position:relative;overflow:hidden}.entrance-image>img{width:100%;height:100%;object-fit:cover;object-position:54% center}.entrance-image:after{content:'';position:absolute;inset:0;box-shadow:inset 0 -160px 120px -70px #071611c0;pointer-events:none}.image-credit{position:absolute;z-index:1;left:34px;bottom:30px;font-size:13px}.image-credit span{display:block;letter-spacing:3px;font:9px system-ui;margin-bottom:8px;color:#e2ceaa}.entrance-copy{padding:clamp(28px,4vw,72px);display:flex;flex-direction:column;justify-content:center;max-width:730px;width:100%;margin:auto}h1{font:500 clamp(36px,3.6vw,61px)/1.4 var(--serif);letter-spacing:-1px;margin:20px 0;color:#f2e8d4}.entrance-intro{font-size:15px;line-height:1.95;color:#bdc5b9;max-width:390px;margin:0 0 20px}.entrance-stats{display:flex;gap:33px;padding:20px 0;border-top:1px solid var(--line);margin:8px 0 18px}.entrance-stats span{font-size:10px;display:flex;flex-direction:column;gap:3px;color:var(--muted)}.entrance-stats b{font:25px var(--serif);color:var(--gold)}.primary-cta{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:54px;padding:14px 20px;color:#192d25;background:var(--gold);border:1px solid var(--gold);border-radius:3px;text-align:left;font-weight:600;width:100%}.primary-cta span{font-size:23px;font-weight:400}.primary-cta:hover{background:#e0c99d;transform:translateY(-1px)}#desktopStart{background:transparent;color:var(--paper);border-color:var(--line)}#desktopStart:hover{border-color:var(--gold);background:#ceb17a0b}#xrLaunch{margin-bottom:10px}#xrLaunch button{position:static!important;width:100%!important;min-height:54px!important;border-radius:3px!important;background:var(--gold)!important;border:1px solid var(--gold)!important;color:#192d25!important;font:600 15px var(--sans)!important;opacity:1!important}#xrStatus{color:var(--muted);font-size:11px;line-height:1.7;margin:12px 0 21px}.entrance-footer{display:flex;justify-content:space-between;gap:14px;font-size:10px;padding-top:20px;border-top:1px solid var(--line)}.entrance-footer a{color:var(--gold)}.entrance-footer span{color:var(--muted)}.source-note{font-size:9px;line-height:1.7;color:#8e9c8e;margin-top:16px}.at-entrance .breadcrumb,.at-entrance #hud,.at-entrance #movementHint{visibility:hidden}.navigation-dock{position:fixed;right:24px;bottom:26px;z-index:2;width:292px;padding:18px 19px 12px;background:#122722ee;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 40px #0002;backdrop-filter:blur(14px)}.dock-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.dock-heading .icon-button{padding:6px 11px;min-height:30px}.floor-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:4px;overflow:hidden}.floor-tabs button{padding:11px 0;font-size:12px;color:var(--muted);border-right:1px solid var(--line)}.floor-tabs button[data-floor="2"]{border-right:0}.floor-tabs button.active{background:var(--gold);color:var(--ink);font-weight:600}.floor-tabs button:hover:not(.active){background:#ffffff09;color:var(--paper)}.floor-tabs .library-shortcut{grid-column:1/4;text-align:left;padding:11px 13px;border-right:0;border-top:1px solid var(--line);color:var(--gold)}.room-heading{margin:17px 0 7px;font-size:10px;color:#8fa28f}.room-list{display:flex;flex-direction:column;gap:2px}.room-list button{padding:9px 8px;text-align:left;font-size:13px;border-left:2px solid transparent;color:var(--muted);display:flex;align-items:center;justify-content:space-between}.room-list button:after{content:'↗';opacity:0}.room-list button:hover{background:#ffffff08;color:var(--paper)}.room-list button:hover:after,.room-list button.active:after{opacity:1}.room-list button.active{border-left-color:var(--gold);color:var(--gold);background:#ceb17a0a}.extra-actions{display:none;border-top:1px solid var(--line);padding-top:9px;margin-top:10px;gap:5px;grid-template-columns:1fr 1fr}.expanded .extra-actions{display:grid}.extra-actions button{padding:9px 7px;border:1px solid var(--line);border-radius:3px;text-align:left;font-size:10px;color:#d5decf}.extra-actions button:hover{border-color:var(--gold);color:var(--gold)}.dock-status{display:flex;gap:7px;align-items:center;border-top:1px solid var(--line);padding-top:12px;margin-top:12px}.live-dot{width:4px;height:4px;border-radius:50%;background:#adc49b}#assetStatus{font-size:10px;color:#a4b69d}#status{font-size:9px;line-height:1.65;color:#7f9582;margin:7px 0 0;max-height:35px;overflow:auto}.retry-button{font-size:11px;color:#f1c393;text-decoration:underline;padding:8px 0}.movement-hint{position:fixed;left:34px;bottom:30px;z-index:1;background:#122722dc;border:1px solid var(--line);padding:10px 16px;border-radius:30px;font-size:10px;display:flex;align-items:center;gap:9px;color:#cbd7c7;backdrop-filter:blur(10px)}kbd{font:9px system-ui;letter-spacing:1px;color:var(--gold)}.movement-hint span{color:#6f806c}.reading-dock{position:fixed;z-index:5;bottom:24px;left:50%;transform:translateX(-50%);width:min(650px,calc(100% - 30px));padding:15px 20px;background:#122722f5;border:1px solid var(--line);border-radius:8px;box-shadow:0 12px 40px #0004}.reading-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.reading-heading .icon-button{min-width:30px;padding:0;min-height:30px;font-size:20px}.page-controls{display:flex;align-items:center;justify-content:center;gap:12px}.page-controls button{padding:10px 15px;border:1px solid var(--line);border-radius:4px;color:var(--gold)}.page-controls button:hover{background:#ceb17a16}.page-controls label{font-size:11px;color:var(--muted)}#pageJump{width:50px;background:#182e26;border:1px solid var(--line);color:var(--paper);border-radius:4px;padding:10px;text-align:center;font:12px system-ui}#pageCount{font:12px system-ui;color:var(--muted)}#readerCaption{font-size:11px;line-height:1.8;max-height:65px;overflow:auto;color:#aebda7;margin:12px 0 0}body.reading #hud,body.reading #movementHint{visibility:hidden}dialog{max-width:650px;width:calc(100% - 40px);background:#152d25;color:var(--paper);border:1px solid var(--line);border-radius:10px;padding:36px}dialog::backdrop{background:#07140cd9;backdrop-filter:blur(8px)}dialog h2{font:30px/1.6 var(--serif);margin:16px 0 25px}.dialog-close{position:absolute;top:12px;right:15px;font-size:24px;color:var(--gold)}.help-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.help-grid h3{font:12px system-ui;letter-spacing:2px;color:var(--gold);margin:0 0 12px}.help-grid p,.help-note{font-size:13px;line-height:1.9;color:var(--muted)}.help-note{font-size:11px;border-top:1px solid var(--line);padding-top:17px;margin:24px 0}body.immersive .museum-header,body.immersive #hud,body.immersive #readerControls,body.immersive #launcher,body.immersive #movementHint{display:none!important}[hidden]{display:none!important}@media(max-height:790px) and (min-width:801px){.entrance-copy{padding:22px 45px}h1{font-size:43px;margin:12px 0}.entrance-intro{font-size:13px;margin-bottom:12px}.entrance-stats{padding:12px 0;margin-bottom:12px}.entrance-footer{padding-top:10px}#xrStatus{margin:8px 0 12px}}@media(max-width:800px){.museum-header{height:68px;padding:0 16px;gap:15px}.brand strong{font-size:15px}.brand small{font-size:8px}.brand-mark{width:28px}.brand-mark svg{width:26px}.breadcrumb{display:none}.header-actions{margin-left:auto;gap:9px}.header-actions .quiet-link{font-size:10px}.header-actions .icon-button span{display:none}#launcher{inset:68px 0 0;grid-template-columns:1fr;grid-template-rows:34% 66%;overflow:auto}.entrance-copy{padding:20px 26px;justify-content:flex-start}h1{font-size:32px;line-height:1.35;margin:12px 0}h1 br{display:none}.entrance-intro{font-size:12px;line-height:1.8;margin-bottom:8px}.entrance-stats{padding:10px 0;margin:5px 0 10px;gap:30px}.entrance-stats b{font-size:21px}.entrance-stats span{font-size:9px}.eyebrow{font-size:8px;letter-spacing:1.8px}.primary-cta,#xrLaunch button{min-height:45px!important;padding:10px 16px}.image-credit{left:24px;bottom:20px}.entrance-footer{padding-top:10px;gap:7px}.entrance-footer span{display:none}.source-note{margin-top:9px;font-size:8px}#xrStatus{font-size:10px;margin:7px 0 10px}.navigation-dock{right:12px;bottom:14px;max-width:260px;padding:12px;width:calc(100% - 24px);max-height:calc(100% - 95px);overflow:auto}.dock-heading{margin-bottom:9px}.room-list{flex-direction:row;flex-wrap:wrap;gap:4px}.room-list button{padding:7px;font-size:11px;border:1px solid var(--line);border-radius:3px}.room-list button.active{border-color:var(--gold)}.room-list button:after{display:none}.room-heading{margin:10px 0 6px}.movement-hint{display:none}.help-grid{grid-template-columns:1fr;gap:13px}dialog{padding:25px}dialog h2{font-size:25px}.reading-dock{bottom:12px;padding:12px}.page-controls{gap:8px}.page-controls button{padding:10px}.page-controls label{display:none}.page-controls #readingMode{font-size:10px;padding:10px 7px}}
@media(prefers-reduced-motion:reduce){button,a{transition:none}}

#desktopStart.desktop-primary{background:var(--gold);color:var(--ink);border-color:var(--gold)}
#xrFeedback{position:fixed;top:98px;left:50%;transform:translateX(-50%);z-index:8;width:min(580px,calc(100% - 30px));padding:15px 20px;background:#233b30;border:1px solid var(--gold);border-radius:6px;font-size:13px;line-height:1.7;box-shadow:0 10px 35px #0005}.immersive #xrFeedback{display:none}@media(max-width:800px){#xrFeedback{top:78px;font-size:11px}.header-actions #quickVR{font-size:10px;padding:6px 8px}.at-entrance .entrance-copy{padding-bottom:35px}}

.heritage-dock{position:fixed;z-index:4;bottom:25px;left:50%;transform:translateX(-50%);display:flex;gap:8px;align-items:center;background:#122722ee;border:1px solid var(--line);border-radius:8px;padding:12px}.heritage-dock span{color:var(--gold);font-size:12px;padding:0 10px}.heritage-dock button{border:1px solid var(--line);padding:11px 16px;border-radius:4px;font-size:12px}.heritage-dock button:hover{background:var(--gold);color:var(--ink)}body.heritage #hud,body.immersive #heritageDock{display:none}@media(max-width:600px){.heritage-dock{width:calc(100% - 24px);bottom:12px;flex-wrap:wrap;justify-content:center}.heritage-dock span{display:none}.heritage-dock button{padding:10px;font-size:11px}}
.library-index{width:min(820px,calc(100% - 28px));max-width:none;background:#172c28;color:#f5ead3;border:1px solid #b99b62;border-radius:14px;padding:28px;max-height:85vh;overflow:auto;box-shadow:0 30px 120px #0009}.library-index::backdrop{background:#07130ed9}.index-heading{display:flex;align-items:center;justify-content:space-between}.index-heading button{padding:5px 14px;font-size:24px}.library-index h2{font-size:32px;margin:16px 0 24px}.index-tabs{display:flex;gap:8px;flex-wrap:wrap}.index-tabs button{border:1px solid #ad8a5070;padding:12px 18px;border-radius:5px}.index-tabs button[aria-pressed="true"]{background:#c8ac73;color:#172c28}.index-search{display:block;margin:24px 0 0;font-size:13px;color:#dbc895}.index-search input{display:block;width:100%;margin-top:9px;padding:15px 17px;border:1px solid #ad8a5070;border-radius:5px;background:#10221e;color:#f5ead3;font:inherit}.index-count{font-size:12px;color:#c8ac73}.index-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:14px}.index-list button{border:1px solid #ad8a5040;border-radius:5px;padding:14px;text-align:left;line-height:1.5}.index-list button:hover,.index-list button:focus-visible{background:#29483d;border-color:#c8ac73}.reading-dock #readerSource{display:block;color:#d5ba82;font-size:11px;margin-top:8px}.reading-dock #readerSource[hidden]{display:none}.immersive .library-index{display:none}@media(max-width:600px){.library-index{padding:19px}.library-index h2{font-size:25px}.index-list{grid-template-columns:1fr}.page-controls{flex-wrap:wrap;justify-content:center}.index-tabs button{padding:10px;font-size:12px}}

.build-stamp{color:#c8ac73;font-size:12px;letter-spacing:.04em;margin:12px 0}

.xr-preflight{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 9px}.xr-preflight label{display:block;color:#d8c69f;font-size:11px;line-height:1.7}.xr-preflight select{display:block;width:100%;margin-top:5px;min-height:44px;padding:9px;border:1px solid #c9b68b70;border-radius:4px;background:#172c28;color:#f2e8d4;font:12px var(--sans)}.input-tip{font-size:11px;line-height:1.7;color:#b4bfb3;margin:0 0 14px}.entrance-copy{max-height:100%;overflow:auto;justify-content:safe center}.xr-preflight select:focus-visible{outline:2px solid var(--gold);outline-offset:3px}@media(max-width:480px){.xr-preflight{gap:8px}.xr-preflight select{font-size:11px;padding:8px 5px}.input-tip{font-size:10px}}