:root{font-family:'DM Sans',sans-serif;color:#f5f0e7;background:#0c1b21;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--cream:#f6eddc;--sand:#d3b98c;--line:rgba(243,233,216,.22);--dark:#101f23}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:2px solid #dfbd83;outline-offset:4px}#app{position:relative;overflow:hidden;width:100%;height:100vh;height:100dvh;min-height:510px;background:#153038}.three-canvas,#viewport{width:100%;height:100%;display:block}.three-canvas{touch-action:none;cursor:grab}.three-canvas:active{cursor:grabbing}#viewport:after{content:'';position:absolute;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(8,22,26,.81) 0%,rgba(8,22,26,.52) 19%,transparent 49%),linear-gradient(0deg,rgba(4,16,20,.77) 0%,transparent 27%),linear-gradient(180deg,rgba(7,21,28,.43) 0%,transparent 15%)}
.masthead{position:absolute;left:4.05%;right:4.05%;top:4.3%;display:flex;align-items:flex-start;justify-content:space-between;z-index:3;pointer-events:none}.brand{display:flex;align-items:center;gap:15px}.brand-mark{font-size:38px;font-weight:400;color:#dcc49d;line-height:.7;transform:rotate(3deg)}.brand strong{font-size:13px;letter-spacing:.22em;font-weight:700}.brand small{display:block;font-size:9px;font-weight:600;letter-spacing:.15em;color:#bfbeb3;margin-top:6px}.edition{font-size:10px;font-weight:700;letter-spacing:.24em;color:#fff5e3;padding-top:6px}.edition .separator{color:#e4bc79;padding:0 9px}.edition-num{border-left:1px solid #ffffff66;padding-left:20px;margin-left:16px;color:#eed6ac}.corner-line{position:absolute;top:7.8%;left:4.1%;width:1px;height:62px;background:linear-gradient(#d6b489,transparent);z-index:3;opacity:.4}
.intro{position:absolute;z-index:2;top:30%;left:6.2%;width:340px;max-width:32%;pointer-events:none}.eyebrow{font-size:10px;letter-spacing:.23em;font-weight:700;color:#efca8c;display:flex;align-items:center;gap:11px}.eyebrow-line{display:inline-block;width:25px;height:1px;background:#e4bd80}.intro h1{font-family:'Playfair Display',Georgia,serif;font-size:clamp(58px,7.2vw,108px);font-weight:500;letter-spacing:-.055em;line-height:1;margin:27px 0 0;color:#fff9ed;text-shadow:0 4px 55px #001d22}.title-accent{color:#dfb77c}.subtitle{font-size:15px;letter-spacing:.36em;font-weight:600;margin:15px 0 29px;color:#e5d2b5}.subtitle i{color:#edbe81;font-family:Georgia,serif;font-size:23px;letter-spacing:0;font-weight:400}.intro-copy{font-size:14px;line-height:1.87;font-weight:400;color:#e2dfd2;max-width:300px}.museum-rule{height:1px;background:#c9c1b155;margin-top:29px;width:280px;max-width:100%}.tiny{display:flex;justify-content:space-between;gap:20px;max-width:280px;color:#c4c3b7;font-size:9px;letter-spacing:.12em;margin-top:15px}
.viewport-guide{position:absolute;left:50%;transform:translateX(-50%);top:20%;z-index:2;pointer-events:none;letter-spacing:.22em;font-size:9px;font-weight:700;color:#fffdf3bd;white-space:nowrap;text-shadow:0 2px 5px #26343a}.viewport-guide span{color:#e8cb9a;padding:0 12px}.marker-layer{position:absolute;z-index:4;inset:0;pointer-events:none}.marker{position:absolute;pointer-events:auto;width:32px;height:32px;padding:0;background:none;border:0;transform:translate(-50%,-50%);filter:drop-shadow(0 2px 6px #15282a77)}.marker-ring{position:absolute;inset:0;border:1px solid #fff8e8b5;border-radius:50%;background:#15383a70;animation:marker-pulse 2.7s ease-in-out infinite}.marker-dot{position:absolute;width:7px;height:7px;background:#ffe6b8;border-radius:50%;top:12.5px;left:12.5px;box-shadow:0 0 9px #fff3d1}.marker:before{content:'';position:absolute;inset:-6px;border:1px solid #ffffff37;border-radius:50%}.marker:hover .marker-ring,.marker.selected .marker-ring{background:#e1b87a;border-color:#fce6b6;scale:1.15}.marker-tooltip{white-space:nowrap;position:absolute;top:-34px;left:50%;transform:translateX(-50%) translateY(4px);background:#10272be8;padding:6px 11px;border:1px solid #e6d1a077;letter-spacing:.06em;color:#fff2d8;font-size:11px;opacity:0;transition:.2s;pointer-events:none}.marker:hover .marker-tooltip,.marker:focus-visible .marker-tooltip{opacity:1;transform:translateX(-50%) translateY(0)}@keyframes marker-pulse{50%{box-shadow:0 0 0 7px #e2c89918}}
.info-panel{position:absolute;z-index:5;top:24%;right:4%;width:305px;max-width:32vw;pointer-events:none;opacity:0;transform:translateX(15px);transition:opacity .3s,transform .3s;background:linear-gradient(135deg,#152d30ed,#0d2025f2);padding:27px 25px 21px;border:1px solid #d5c49f66;box-shadow:0 18px 70px #061a23a0;backdrop-filter:blur(15px)}.info-panel.visible{pointer-events:auto;opacity:1;transform:none}.info-count,.info-type,.info-foot{font-size:9px;font-weight:700;letter-spacing:.19em;color:#e9c28c}.info-panel h2{font-family:'Playfair Display',Georgia,serif;font-size:29px;font-weight:500;line-height:1.13;margin:18px 0 18px;color:#fff7e8}.info-type{color:#d2b892;letter-spacing:.1em;font-size:8px}.info-panel p{color:#e0ddd1;line-height:1.78;font-size:12px;margin:17px 0 22px}.info-foot{padding-top:15px;border-top:1px solid #dccdb348;color:#aabbb8;font-size:8px}.icon-button{border:0;background:none;color:#fff6e7;font-size:25px;position:absolute;right:14px;top:10px}
.chapter-nav{position:absolute;z-index:3;right:4.05%;bottom:158px;display:flex;align-items:center;gap:17px}.chapter-label{font-size:9px;letter-spacing:.2em;font-weight:700;color:#e5d5b0b8}.chapter-nav button{font-size:12px;color:#fff2d3;background:#0c2225ad;border:1px solid #d5ba8477;padding:11px 16px}.chapter-nav button span{font-size:17px;color:#e6c38a;margin-left:12px}.chapter-nav button:hover{background:#304243}
.control-bar{position:absolute;z-index:5;left:3.5%;right:3.5%;bottom:61px;min-height:79px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 20px;background:#0b2226e8;border:1px solid #d5c9ae53;backdrop-filter:blur(18px);box-shadow:0 8px 50px #061c22aa}.control-set{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.control-heading{font-size:9px;color:#c8c5b4;letter-spacing:.2em;font-weight:700;margin-right:10px}.control-divider{width:1px;height:39px;background:#e3d8c24e;flex:none}.chip,.tool-button{white-space:nowrap;border:1px solid transparent;background:transparent;color:#ebe3d5;padding:10px 9px;font-size:11px;font-weight:600;transition:background .2s,color .2s,border-color .2s}.chip:hover,.tool-button:hover{background:#d4b27e25}.chip.active{background:#e2c39817;border-color:#e2c3988c;color:#ffe2ac}.tool-button{display:flex;align-items:center;gap:9px}.tool-button.is-on{color:#ffdaa0;border-color:#dcb47b89;background:#aa824d26}.tool-icon{font-size:18px;color:#d1b68d}.tool-button kbd{font-size:9px;font-family:inherit;border:1px solid #cfc5b255;border-radius:3px;color:#c9c6b7;padding:2px 4px}.time-control{min-width:137px;width:147px;flex:none}.time-control label{display:flex;justify-content:space-between;font-size:9px;letter-spacing:.16em;color:#ddd2b8;font-weight:700;margin-bottom:14px}.time-control output{color:#f1c184;font-size:10px}.time-control input{width:100%;appearance:none;cursor:pointer;height:3px;background:linear-gradient(90deg,#718f8e,#e0c398,#a46752);outline:none;margin:0}.time-control input::-webkit-slider-thumb{appearance:none;width:13px;height:13px;border:2px solid #f8e3c0;border-radius:50%;background:#ab704d;box-shadow:0 0 0 3px #d4b17b33}.time-control input::-moz-range-thumb{width:10px;height:10px;border:2px solid #f8e3c0;border-radius:50%;background:#ab704d}.fullscreen-button{width:35px;height:35px;border:1px solid #bfae8c55;color:#e8cb9a;background:transparent;font-size:25px;flex:none}.fullscreen-button:hover{background:#cab58d2b}.bottom-caption{position:absolute;left:4.1%;right:4.1%;bottom:25px;display:flex;justify-content:space-between;gap:16px;font-size:9px;letter-spacing:.15em;color:#f2e5d3c9;z-index:3;font-weight:600}
.notes-overlay{position:absolute;z-index:20;inset:0;background:#07191cd9;backdrop-filter:blur(9px);display:none;align-items:center;justify-content:center;padding:24px}.notes-overlay.visible{display:flex}.notes-sheet{position:relative;background:#f0e8d9;color:#25393a;border:1px solid #e5d3b4;box-shadow:0 25px 90px #0009;max-height:min(90vh,850px);overflow-y:auto;width:min(640px,100%);padding:42px 48px}.notes-sheet .eyebrow{color:#9d6d37}.notes-sheet h2{font:500 42px/1.14 'Playfair Display',Georgia,serif;margin:24px 0 16px}.notes-sheet h3{font-size:10px;letter-spacing:.2em;margin:28px 0 10px}.notes-sheet p,.notes-sheet li{font-size:13px;line-height:1.9}.notes-sheet ol{padding-left:18px}.notes-sheet a{color:#8e5738;text-underline-offset:3px}.notes-footer{font-size:10px!important;color:#687777;margin-top:26px;padding-top:16px;border-top:1px solid #bbac94}.notes-close{position:absolute;right:24px;top:20px;border:0;background:transparent;color:#354748;font-size:32px}.error-banner{position:absolute;z-index:30;top:28%;left:25%;right:25%;background:#201d1b;color:#fff3dd;padding:32px;border:1px solid #e3c5a1;font-size:15px;line-height:1.5}
@media(max-width:1420px){.control-bar{gap:7px;padding:14px 12px}.control-heading{margin-right:2px}.chip{padding:8px 6px;font-size:10px}.tool-button{padding:8px 6px;gap:4px;font-size:10px}.time-control{width:120px;min-width:120px}.brand strong{font-size:12px}}
@media(max-width:1050px){.intro{top:27%;left:4%;max-width:31%;width:300px}.intro h1{font-size:70px}.intro-copy{font-size:12px}.control-bar{bottom:42px;left:2%;right:2%;display:grid;grid-template-columns:1fr auto 1fr;gap:6px 8px;min-height:0}.control-bar .control-divider{display:none}.control-set{justify-content:center}.camera-buttons{grid-column:1 / -1;border-bottom:1px solid #ffffff26;padding-bottom:4px}.time-control{width:160px}.bottom-caption{bottom:15px;font-size:8px}.chapter-nav{bottom:166px}.info-panel{right:3%;top:26%}}
@media(max-width:690px){#app{min-height:600px}#viewport:after{background:linear-gradient(180deg,#06191dd9 0%,#0a202664 24%,transparent 50%),linear-gradient(0deg,#06181edd 0%,transparent 40%)}.masthead{top:20px;left:20px;right:17px}.brand{gap:8px}.brand-mark{font-size:27px}.brand strong{font-size:10px}.brand small{font-size:7px}.edition{font-size:8px;letter-spacing:.06em;text-align:right;max-width:130px}.edition-num{display:block;margin-top:5px;margin-left:0;border:0;padding:0}.intro{left:21px;top:85px;max-width:none;width:270px}.intro h1{font-size:60px;margin:9px 0 0}.subtitle{font-size:10px;margin:9px 0 10px}.subtitle i{font-size:17px}.intro-copy{font-size:11px;line-height:1.55;max-width:230px;margin:0}.intro .museum-rule,.intro .tiny{display:none}.eyebrow{font-size:8px}.viewport-guide{display:none}.marker{width:28px;height:28px}.marker-dot{top:10.5px;left:10.5px}.info-panel{top:auto;bottom:225px;right:11px;left:11px;width:auto;max-width:none;padding:17px 19px 12px;max-height:210px;overflow-y:auto}.info-panel h2{font-size:24px;margin:9px 0}.info-panel p{font-size:11px;margin:8px 0;line-height:1.5}.info-type,.info-foot{font-size:7px}.info-foot{padding-top:8px}.chapter-nav{left:15px;right:auto;bottom:187px}.chapter-label{display:none}.chapter-nav button{padding:8px 12px;font-size:10px}.control-bar{left:9px;right:9px;bottom:33px;padding:9px;display:flex;flex-wrap:wrap;justify-content:center;gap:2px 7px}.camera-buttons{order:1;flex-basis:100%;padding-bottom:7px}.camera-buttons .control-heading{display:none}.chip{font-size:9px;padding:7px 6px}.control-bar>.control-set:not(.camera-buttons){order:2;gap:3px}.control-bar>.control-set:not(.camera-buttons) .control-heading{display:none}.tool-button{font-size:10px;padding:8px 5px}.tool-button kbd{display:none}.time-control{order:3;width:116px;min-width:116px}.fullscreen-button{order:4;width:30px;height:30px;font-size:21px}.bottom-caption{left:14px;right:14px;bottom:8px;font-size:7px}.bottom-caption span:first-child{max-width:75%}.notes-sheet{padding:35px 24px}.notes-sheet h2{font-size:32px}.notes-sheet p,.notes-sheet li{font-size:12px}.error-banner{left:15px;right:15px}}
@media(prefers-reduced-motion:reduce){.marker-ring{animation:none}*{scroll-behavior:auto}}