:root{color-scheme:light;--paper:#faf8f2;--ink:#29362e;--muted:#68716b;--line:#d9ded6}*{box-sizing:border-box}body{margin:0;background:#151715;color:var(--ink);font-family:Arial,Helvetica,sans-serif;overflow:hidden}button{font:inherit;font-size:12px;color:inherit;cursor:pointer;background:var(--paper);border:1px solid var(--line);border-radius:8px;min-height:42px;padding:0 15px;touch-action:manipulation}button:hover{background:#e8edE4}button:focus-visible{outline:3px solid #608268;outline-offset:3px}button[aria-pressed=true]{background:#304735;color:#fff}button:disabled{opacity:.45;cursor:wait}[hidden]{display:none!important}#experience,#experience canvas,#reference{position:fixed;inset:0;width:100%;height:100%}#experience{transition:opacity .2s linear}#experience canvas{display:block;touch-action:none}#reference{object-fit:contain;background:#151715}header{position:fixed;inset:22px 26px auto;display:flex;justify-content:space-between;align-items:start;gap:18px;pointer-events:none}.identity,.tools{pointer-events:auto;background:var(--paper);border:1px solid #fff9;border-radius:10px;box-shadow:0 3px 18px #00000012}.identity{display:flex;align-items:center;gap:13px;padding:12px 17px;font-size:11px;letter-spacing:2px}.identity small{display:block;font-size:10px;letter-spacing:.2px;color:var(--muted);margin-top:5px}.monogram{font:25px Georgia,serif;letter-spacing:-1px;padding-right:12px;border-right:1px solid var(--line)}.tools{display:flex;padding:4px;gap:4px}.tools button{border:0;background:transparent}.tools button:hover{background:#e8ede4}.tools button[aria-pressed=true]{background:#304735}.tools #fullscreen{font-size:22px;width:42px;padding:0}.dock{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);width:min(850px,calc(100% - 48px));background:var(--paper);box-shadow:0 3px 22px #0002;border:1px solid #fff9;border-radius:12px;padding:17px 20px 11px}.room-info{display:flex;align-items:baseline;gap:14px}.room-info>span:first-child{font-size:9px;letter-spacing:1.6px;color:var(--muted);white-space:nowrap}h1{font:normal 25px Georgia,serif;margin:0;flex:1}#room-count{font-size:10px;letter-spacing:1px;color:var(--muted)}.navigation{display:flex;gap:8px;margin-top:13px;align-items:stretch}.navigation #previous{font-size:21px;min-width:44px;padding:0}#next{flex:1;display:grid;grid-template-columns:1fr 22px;text-align:left;padding:7px 15px;min-height:48px;background:#304735;color:#fff;border-color:#304735}#next:hover{background:#425b46}#next span{font-size:9px;opacity:.75}#next b{font-size:12px;font-weight:500}#next i{grid-column:2;grid-row:1/3;align-self:center;font-size:20px;font-style:normal}#instructions{font-size:10px;line-height:1.5;text-align:center;margin:9px 0 0;color:var(--muted)}#loading{position:fixed;left:50%;top:47%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:12px;padding:17px 23px;background:var(--paper);border-radius:10px;box-shadow:0 4px 24px #0002;font-size:12px;max-width:90vw}.spinner{border:2px solid #d8dfd5;border-top-color:#42644a;border-radius:50%;width:20px;height:20px;animation:spin 1s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}#error{position:fixed;top:105px;left:50%;transform:translateX(-50%);max-width:90vw;background:#fff1e9;color:#74371c;border:1px solid #d5a389;padding:18px;border-radius:8px;font-size:13px;z-index:5}#room-panel{position:fixed;top:16px;right:16px;bottom:16px;width:min(480px,calc(100% - 32px));background:var(--paper);box-shadow:0 5px 40px #0004;border-radius:14px;padding:25px;overflow:auto;z-index:10}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:15px}.panel-heading small{font-size:9px;letter-spacing:2px;color:var(--muted)}h2{font:normal 29px Georgia,serif;margin:9px 0}.panel-heading button{font-size:25px;padding:0;width:42px}.panel-note{font-size:12px;line-height:1.6;color:var(--muted);margin:10px 0 24px}#rooms{display:grid;grid-template-columns:1fr 1fr;gap:14px}.room{padding:0;overflow:hidden;min-height:125px;text-align:left;border-radius:8px}.room img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.room span{display:block;padding:10px 10px 4px;font-size:12px}.room small{display:block;font-size:9px;color:var(--muted);padding:0 10px 11px}.room[aria-current=true]{outline:2px solid #42644a;outline-offset:2px}body.clear .controls{display:none}#clear-hint{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);font-size:11px;background:var(--paper);padding:10px 16px;border-radius:8px;pointer-events:none;white-space:nowrap}body.reference-mode #experience{visibility:hidden}body.reference-mode #reference{cursor:pointer}body.reference-mode #guide{display:none}@media(max-width:700px){header{inset:12px 12px auto;flex-wrap:wrap;gap:8px}.identity{padding:9px 12px;font-size:10px}.identity small{font-size:9px}.monogram{font-size:22px}.tools{margin-left:auto}.tools button{padding:0 9px;font-size:11px;min-height:36px}.tools #fullscreen{width:32px}.dock{bottom:max(12px,env(safe-area-inset-bottom));width:calc(100% - 24px);padding:13px 12px 10px}.room-info{gap:8px;flex-wrap:wrap}h1{font-size:22px;order:3;flex-basis:100%;margin-top:1px}#room-count{margin-left:auto}.navigation{gap:6px;margin-top:10px}.navigation button{padding-left:10px;padding-right:10px;font-size:11px}#next{min-width:0;padding:7px 9px}#next b{font-size:11px}.navigation #previous{min-width:33px}#guide{max-width:74px}#instructions{font-size:9px}.panel-note{margin-bottom:18px}#room-panel{padding:19px}#clear-hint{font-size:9px;padding:9px 11px}}@media(max-height:520px){header{top:10px}.dock{bottom:10px;padding:10px 15px}.navigation{margin-top:8px}#instructions{display:none}.identity small{display:none}}@media(prefers-reduced-motion:reduce){*{transition:none!important}.spinner{animation:none}}

#overview{position:fixed;inset:0;z-index:20;background:#151715}#overview-image{width:100%;height:100%;object-fit:contain;display:block}.overview-card{position:absolute;right:26px;bottom:24px;width:min(380px,calc(100% - 48px));padding:22px;background:var(--paper);border-radius:12px;box-shadow:0 3px 22px #0002}.overview-card small{font-size:9px;letter-spacing:2px;color:var(--muted)}.overview-card h2{font-size:29px;margin:11px 0}.overview-card p{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 17px}.overview-card #enter-tour{background:#304735;color:white;border-color:#304735;margin-right:6px}#clear-hint{z-index:30}.identity{text-align:left;min-height:0}.identity:hover{background:#f0f2eb}@media(max-width:700px){.overview-card{right:12px;bottom:12px;width:calc(100% - 24px);padding:17px}.overview-card h2{font-size:25px}.overview-card p{margin-bottom:12px}}

#error{z-index:40}

/* v09: progressive loading */
#sharpening{position:fixed;top:84px;left:50%;transform:translateX(-50%);display:flex;align-items:center;gap:9px;padding:8px 14px;background:#faf8f2e6;border-radius:20px;font-size:11px;color:var(--muted);box-shadow:0 2px 12px #0002;z-index:6;pointer-events:none}#sharpening .spinner{width:12px;height:12px}
body.clear #sharpening{display:none!important}
body.starting #enter-tour{opacity:.75;cursor:progress}
#overview-image{transition:opacity .3s}
.noscript{position:fixed;top:20px;left:50%;transform:translateX(-50%);background:#fff1e9;color:#74371c;padding:14px 18px;border-radius:8px;font-size:13px;z-index:50}
@media(max-width:700px){#sharpening{top:auto;bottom:calc(150px + env(safe-area-inset-bottom))}}
.room img{height:auto}
.room img{background:#e6e9e1}