:root{color-scheme:dark;font-family:system-ui,-apple-system,Segoe UI,sans-serif;background:#0a1d28;color:#e1eff4}
*{box-sizing:border-box}body{margin:0;min-height:100vh}.toolbar{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:15px 22px;border-bottom:1px solid #31596a;background:#102938}.eyebrow{font-size:11px;color:#66d8df;letter-spacing:.17em;font-weight:700;margin:0 0 4px}.toolbar h1{font-size:21px;margin:0}.subtitle{font-size:13px;color:#a4bdc9;margin:4px 0 0}.toolbar-actions,.inspector-actions{display:flex;flex-wrap:wrap;gap:8px}button,.toolbar a{border:1px solid #44788d;border-radius:6px;padding:9px 12px;background:#19394a;color:#e1eff4;text-decoration:none;font:inherit;cursor:pointer}button:hover,.toolbar a:hover{background:#24566b}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,#scene:focus-visible{outline:2px solid #74e9ef;outline-offset:2px}main{display:grid;grid-template-columns:minmax(0,1fr) 295px;min-height:calc(100vh - 79px)}.stage{position:relative;height:calc(100vh - 79px);min-height:650px;overflow:hidden;background:linear-gradient(#112f3e,#0b202d)}#scene{display:block;width:100%;height:100%;touch-action:none;cursor:grab}#scene.dragging{cursor:grabbing}.scene-hint,.scene-status{position:absolute;left:14px;background:#0a1d28d9;border:1px solid #325b6a;border-radius:5px;padding:7px 10px;font-size:12px;color:#bad3dc;pointer-events:none}.scene-hint{bottom:14px}.scene-status{top:14px;max-width:calc(100% - 28px)}.inspector{padding:20px 18px;border-left:1px solid #31596a;background:#102938}.inspector h2{margin:6px 0 8px;font-size:20px}.inspector p{color:#aec7d0;line-height:1.5;font-size:13px}.floor-list{display:grid;gap:7px;margin:20px 0}.floor-row{width:100%;text-align:left;background:#163747}.floor-row.selected{border-color:#70d6dc;background:#23566a}.floor-row strong{display:block}.floor-row small{display:block;color:#a8c4cc;margin-top:3px}.inspector-actions button{flex:1 1 110px}.inspector-actions #openSelection{flex-basis:100%}.note{border-top:1px solid #31596a;padding-top:15px;margin-top:22px}@media(max-width:800px){main{display:block}.stage{height:62vh;min-height:420px}.inspector{border-left:0;border-top:1px solid #31596a}.toolbar{align-items:flex-start}.scene-hint{font-size:11px;right:14px}}@media(max-width:480px){.toolbar{display:block}.toolbar-actions{margin-top:12px}.scene-hint{max-width:250px}}