:root{color-scheme:light;--background:#fff;--surface:#fcfcfc;--text:#1a1c1f;--secondary:#767676;--border:#ededed}*{box-sizing:border-box}body{margin:0;background:#fafafa;color:var(--text);font-family:-apple-system,system-ui,"Segoe UI",Helvetica,Arial,sans-serif;font-size:14px}button,input,select{font:inherit}button{cursor:pointer}button,select{color:var(--text)}button{padding:8px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);min-height:40px}button:hover{background:#f2f2f2}button[aria-pressed=true]{background:#eef4ef;border-color:#98b9a7;color:#29483b}button:disabled,input:disabled{opacity:.45;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid #287f68;outline-offset:2px}a{color:#287f68}main{max-width:1480px;margin:auto;padding:28px}.page-label{font-size:12px;color:var(--secondary);margin:0 0 20px}.heading{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:20px}h1{font-size:24px;letter-spacing:-.4px;font-weight:650;margin:0 0 8px}.heading p{color:var(--secondary);font-size:14px;line-height:1.6;margin:0}.buildings{display:flex;gap:8px;flex-shrink:0}.buildings button{font-size:12px}.model-card{background:#fff;border:1px solid var(--border);border-radius:20px;padding:24px}.model-title{font-size:18px;margin:0 0 9px;font-weight:600}.scope{font-size:13px;color:var(--secondary);line-height:1.6;margin:0 0 20px;max-width:1050px}.toolbar{display:flex;flex-wrap:wrap;gap:14px;align-items:end;margin-bottom:12px}.toolbar>label{display:grid;gap:6px;font-size:13px}.toolbar select{max-width:350px;min-height:38px;border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:8px}#level-select{width:180px}#room-select{width:290px}.toolbar .spread{width:175px}.spread-title{display:flex;justify-content:space-between}#spread{width:100%;height:38px;margin:0;accent-color:#287f68}.toolbar .checkbox{display:flex;gap:8px;align-items:center;padding-bottom:10px}input[type=checkbox]{accent-color:#287f68}.buttons{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}.model-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:16px}.viewport{position:relative;min-width:0;background:#f1f6f2;border-radius:12px;overflow:hidden;height:500px}canvas{display:block;width:100%;height:100%;touch-action:none;cursor:grab;outline-offset:-3px}canvas:active{cursor:grabbing}canvas:focus-visible{outline:3px solid #287f68}.scene-heading{position:absolute;top:12px;left:12px;padding:6px 10px;background:#ffffffdf;color:#29483b;border-radius:6px;font-size:12px;pointer-events:none}.scene-heading strong{font-weight:500}.scene-heading span{display:block;font-size:10px;margin-top:3px;color:#678172}aside{padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-size:13px;overflow-wrap:anywhere}h2{font-size:17px;margin:0 0 13px;font-weight:600}article p{line-height:1.65;color:var(--secondary);font-size:13px}article dl{display:grid;grid-template-columns:1fr 1fr;gap:9px;font-size:12px;margin:18px 0}dt{color:var(--secondary)}dd{margin:0;text-align:right}code{display:block;font:10px/1.6 ui-monospace,monospace;background:#f2f4f1;padding:9px;border-radius:6px;margin:12px 0;overflow-wrap:anywhere}article a{font-size:11px}article button{font-size:12px;margin:12px 5px 0 0}.focus-room{border-color:#a9c4b4;background:#eef4ef;color:#29483b}.model-note{font-size:11px;color:var(--secondary);line-height:1.7;margin-top:20px}.notice{padding:12px;background:#fff4e6;color:#5e421b;border:1px solid #d1ad70;border-radius:12px;font-size:12px;line-height:1.6;margin:18px 0}.notice strong{display:block}.legend{display:flex;flex-wrap:wrap;gap:14px;margin:12px 0;font-size:12px}.legend span{display:flex;align-items:center;gap:6px}.legend i{display:block;width:10px;height:10px;border-radius:3px;background:var(--c)}.level-count{color:var(--secondary);margin-left:auto}.source-details{font-size:12px;color:var(--secondary);line-height:1.6;margin-top:18px}summary{cursor:pointer}.source-details p{max-width:1000px}.status{font-size:11px;color:var(--secondary);margin:16px 0 0}.footer{font-size:11px;color:#999;margin-top:20px}.floors[hidden]{display:none}#loading{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:15px;background:white;border-radius:10px;font-size:13px}#fallback{position:absolute;inset:60px 15px 15px;overflow:auto}#fallback h3{font-size:12px}#fallback svg{height:300px;width:100%}#fallback polygon{cursor:pointer;stroke:#76877d;stroke-width:.03}#fallback polygon:hover{fill:#fa941f}.viewport:fullscreen,.viewport.is-expanded{width:100vw;height:100dvh;border-radius:0;max-height:none}.viewport.is-expanded{position:fixed;inset:0;z-index:1000}.exit-expanded{position:absolute;top:12px;right:12px;display:none}.viewport:fullscreen .exit-expanded,.viewport.is-expanded .exit-expanded{display:block}button[hidden],canvas[hidden]{display:none}
@media(max-width:1100px){.heading{align-items:flex-start;flex-direction:column}.model-card{padding:20px}.toolbar{gap:12px}}
@media(max-width:900px){.model-layout{grid-template-columns:1fr}.viewport{height:430px}aside{min-height:0}.level-count{margin-left:0}}
@media(max-width:600px){main{padding:20px 12px}.page-label{margin-bottom:15px}.heading{gap:15px}h1{font-size:22px}.heading p{font-size:13px}.buildings{width:100%}.buildings button{flex:1;font-size:11px}.model-card{padding:15px;border-radius:16px}.model-title{font-size:16px}.scope{font-size:12px;margin-bottom:18px}.toolbar{display:grid;grid-template-columns:1fr;gap:12px}.toolbar select,#level-select,#room-select,.toolbar .spread{width:100%;max-width:100%}.toolbar .checkbox{padding-bottom:0}.buttons{gap:6px}.buttons button{padding:7px 10px;min-height:38px;font-size:12px}.viewport{height:340px}.scene-heading{font-size:10px;max-width:90%}.legend{font-size:11px;gap:10px}.model-note{font-size:11px}.viewport:fullscreen,.viewport.is-expanded{height:100dvh}.footer{line-height:1.6}}