:root{color:#29231d;font-synthesis:none;--ink:#29231d;--ivory:#f4eee6;--oak:#8f6540;--bronze:#886b43;--glass:#f5eee4e0;font-family:Avenir Next,Segoe UI,sans-serif}*{box-sizing:border-box}html,body,#app-shell{width:100%;height:100%;margin:0;overflow:hidden}body{background:#d9e3e8}.welcome-screen{z-index:30;color:var(--ink);background:radial-gradient(circle at 80% 15%,#c7dcdaeb,#0000 34%),linear-gradient(125deg,#eee5d9 0%,#e4d5c4 100%);place-items:center;padding:32px;transition:opacity .45s,visibility .45s;display:grid;position:fixed;inset:0;overflow:auto}.welcome-content{width:min(600px,100%)}.welcome-content h1{margin:10px 0 12px;font:400 clamp(34px,5vw,58px)/1.1 Georgia,Noto Serif SC,serif}.welcome-intro{color:#6e6257;max-width:410px;margin:0 0 34px;line-height:1.75}.museum-picker{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#fffcf794;border:1px solid #70563c33;padding:22px;box-shadow:0 18px 48px #45321f14}.picker-heading{justify-content:space-between;align-items:baseline;margin-bottom:15px;display:flex}.picker-heading h2{margin:0;font:400 20px Georgia,Noto Serif SC,serif}.museum-count{color:#826a51;font-size:12px}.museum-list{color:#74695e;gap:10px;font-size:14px;display:grid}.museum-card{width:100%;color:inherit;text-align:left;cursor:pointer;font:inherit;background:#ffffff94;border:1px solid #70563c2b;grid-template-columns:32px 1fr auto;align-items:center;gap:13px;padding:16px;transition:transform .18s,border-color .18s,background .18s;display:grid}.museum-card:hover,.museum-card:focus-visible{border-color:var(--bronze);background:#fffaf3;outline:none;transform:translateY(-2px)}.museum-card-mark{border:1px solid var(--bronze);width:22px;height:22px;transform:rotate(45deg)}.museum-card strong,.museum-card small{display:block}.museum-card strong{font:400 18px Georgia,Noto Serif SC,serif}.museum-card small{color:#7d7062;margin-top:4px;font-size:12px}.museum-card-arrow{color:var(--bronze);font-size:20px}.welcome-divider{color:#937d65;align-items:center;gap:13px;margin:23px 0;font-size:12px;display:flex}.welcome-divider:before,.welcome-divider:after{content:"";background:#70563c33;flex:1;height:1px}.import-button{color:#5e432b;cursor:pointer;border:1px solid #8f6540;padding:12px 18px;font-size:13px;transition:background .18s,color .18s;display:inline-block}.import-button:hover{color:#fffaf3;background:#8f6540}.welcome-status{color:#80604a;min-height:1.5em;margin:14px 0 0;font-size:13px}#dom-overlay{z-index:4;pointer-events:none;position:fixed;inset:0}#dom-overlay button,.museum-header,.help-panel,.settings-panel,.vr-settings-source{pointer-events:auto}body.is-vr #museum-header,body.is-vr #help-panel,body.is-vr #settings-panel,body.is-vr #crosshair,body.is-vr #mobile-dpad,body.is-vr .a-enter-vr{display:none!important}a-scene{width:100%!important;height:100%!important}.a-enter-vr{bottom:22px!important;right:22px!important}.a-enter-vr-button{box-shadow:0 12px 35px #221b1540;background-color:#2a231cd6!important;border:1px solid #ffffffbf!important;border-radius:50%!important;width:54px!important;height:54px!important}.loading-screen{z-index:20;text-align:center;color:var(--ink);background:#ebe2d6;place-content:center;justify-items:center;padding:32px;transition:opacity .7s,visibility .7s;display:grid;position:fixed;inset:0}.loading-screen.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-mark{border:1px solid var(--bronze);width:46px;height:46px;margin-bottom:24px;animation:1.8s ease-in-out infinite breathe;transform:rotate(45deg)}@keyframes breathe{50%{opacity:.45;transform:rotate(45deg)scale(.72)}}.loading-screen h1{margin:7px 0 10px;font-family:Georgia,Noto Serif SC,serif;font-size:clamp(30px,4vw,54px);font-weight:400}.loading-screen p{color:#776858;margin:0}.eyebrow{color:var(--bronze);letter-spacing:.25em;margin:0;font-size:10px;font-weight:700}.loading-track{background:#57433126;width:min(300px,70vw);height:2px;margin-top:26px;overflow:hidden}.loading-track span{background:var(--bronze);width:12%;height:100%;transition:width .35s;display:block}.museum-header{z-index:5;background:var(--glass);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid #70563c29;align-items:flex-start;gap:28px;padding:15px 16px 14px 18px;transition:opacity .25s;display:flex;position:fixed;top:22px;left:24px;box-shadow:0 12px 36px #372a1f14}.museum-header h1{margin:4px 0 2px;font-family:Georgia,Noto Serif SC,serif;font-size:20px;font-weight:400}.museum-header #room-title{color:#796a5b;margin:0;font-size:12px}.header-actions{align-items:center;gap:15px;display:flex}.quiet-button,.close-button{color:#5e4b39;cursor:pointer;font:inherit;background:0 0;border:0}.quiet-button{border-bottom:1px solid #a99177;padding:6px 0;font-size:12px}.help-panel,.settings-panel{z-index:7;background:#f6f0e8f5;border:1px solid #70563c29;width:min(340px,100vw - 44px);padding:26px 28px;transition:opacity .25s,transform .25s;position:fixed;top:22px;right:22px;box-shadow:0 18px 54px #372a1f26}.help-panel h2,.settings-panel h2{margin:6px 0 18px;font-family:Georgia,Noto Serif SC,serif;font-size:28px;font-weight:400}.help-panel dl{margin:0}.help-panel dl div{border-top:1px solid #70563c26;padding:13px 0}.help-panel dt{color:#6e5135;margin-bottom:4px;font-weight:700}.help-panel dd{color:#74695e;margin:0;font-size:13px;line-height:1.65}.close-button{font-size:24px;position:absolute;top:10px;right:12px}.is-hidden{opacity:0!important;pointer-events:none!important}.help-panel.is-hidden,.settings-panel.is-hidden{transform:translateY(-8px)}.movement-options{border:0;border-top:1px solid #70563c26;gap:12px;margin:0;padding:15px 0 0;display:grid}.movement-options legend{color:#6e5135;margin-bottom:12px;font-size:13px;font-weight:700}.movement-options label{color:#5f554a;cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.mobile-dpad{display:none}@media (pointer:coarse){body.museum-ready .mobile-dpad{z-index:6;left:max(16px, env(safe-area-inset-left));bottom:max(18px, env(safe-area-inset-bottom));pointer-events:auto;-webkit-user-select:none;user-select:none;touch-action:none;grid-template:repeat(2,52px)/repeat(3,52px);gap:4px;display:grid;position:fixed}.dpad-button{color:#fffffff0;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);-webkit-tap-highlight-color:transparent;touch-action:none;background:#2a231c94;border:1px solid #ffffffb8;border-radius:13px;place-items:center;width:52px;height:52px;padding:0;font:16px/1 sans-serif;display:grid;box-shadow:0 6px 18px #140f0a2e}.dpad-button.is-active{background:#886b43e6;transform:scale(.94)}.dpad-up{grid-area:1/2}.dpad-left{grid-area:2/1}.dpad-down{grid-area:2/2}.dpad-right{grid-area:2/3}.help-panel:not(.is-hidden)~.mobile-dpad,.settings-panel:not(.is-hidden)~.mobile-dpad{pointer-events:none;opacity:.25}}.vr-settings-source{color:#29231d;background:#f4eee6;border:2px solid #886b43;border-radius:16px;width:280px;min-height:190px;padding:22px;font:16px/1.4 Segoe UI,sans-serif;position:fixed;top:0;left:-10000px}.vr-settings-source p{color:#886b43;letter-spacing:.18em;margin:0;font-size:12px;font-weight:700}.vr-settings-source h2{margin:8px 0 16px;font:26px Georgia,serif}.vr-settings-source label{margin:10px 0;display:block}.vr-settings-source input{accent-color:#886b43;width:18px;height:18px;margin-right:8px}.toast{z-index:8;color:#fffaf2;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);letter-spacing:.02em;background:#30271fe0;border:1px solid #ffffff24;max-width:min(520px,100vw - 40px);padding:12px 17px;font-size:13px;transition:opacity .25s;position:fixed;bottom:28px;left:50%;transform:translate(-50%)}#crosshair{z-index:4;pointer-events:none;border:1px solid #282019cc;border-radius:50%;width:6px;height:6px;margin:-3px 0 0 -3px;position:fixed;top:50%;left:50%;box-shadow:0 0 0 2px #ffffff85}@media (max-width:700px){.welcome-screen{padding:22px}.museum-picker{padding:16px}.museum-header{justify-content:space-between;top:12px;left:12px;right:12px}.museum-header h1{font-size:17px}.help-panel,.settings-panel{top:12px;right:12px}}