:root{color:#dce7eb;font-synthesis:none;--line:#31434d;--panel:#17232b;--accent:#9bcfc9;background:#111a21;font-family:Inter,Noto Sans SC,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;overflow:hidden}main{grid-template-columns:minmax(0,1fr) 390px;height:calc(100dvh - 70px);display:grid}#stage{min-width:0;min-height:0;position:relative;overflow:hidden}#scene{touch-action:none;outline:0;width:100%;height:100%;display:block}aside{background:var(--panel);border-left:1px solid var(--line);overscroll-behavior:contain;scrollbar-width:thin;min-height:0;padding:18px 16px 14px;overflow:auto}button,select{font:inherit;color:#dce7eb;cursor:pointer;background:#20333e;border:1px solid #3c535f;border-radius:7px;padding:8px 12px;font-size:13px}button:hover,select:hover{background:#2c4652}button:focus-visible,select:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button:disabled,input:disabled{opacity:.4;cursor:default}button.active{color:#c8ece4;background:#294c50;border-color:#658e8f}.view-controls{gap:8px;display:flex;position:absolute;top:22px;left:22px}.view-controls button{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background-color:#192b35eb}.view-controls button.active{background:#294c50ed}.settings{padding-bottom:16px}.scene-select{justify-content:space-between;align-items:center;gap:18px;display:flex}.scene-select span{color:#9bb0bb;font-size:13px}.scene-select select{flex:1;min-width:0;max-width:260px}.visibility-controls,.physics-controls{justify-content:space-between;align-items:center;gap:12px;margin-top:13px;display:flex}label{-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:13px;display:flex}input[type="checkbox"]{width:15px;height:15px;accent-color:var(--accent);margin:0}.physics-controls{border-top:1px solid var(--line);padding-top:12px}.physics-controls button{padding:5px 12px;font-size:12px}#camera-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}figure{border:1px solid var(--line);background:#0a1015;border-radius:8px;margin:0;overflow:hidden}video{aspect-ratio:16/13;object-fit:contain;background:#080d11;width:100%;display:block}figcaption{letter-spacing:.5px;color:#a2b6bf;background:#14212a;padding:6px 8px;font-size:10px;line-height:1.3}.device-preview-panel{margin-top:12px}#device-preview{aspect-ratio:4/3;background:#111a21;width:100%;height:auto;display:block}.device-preview-panel figcaption{padding:8px 10px;font-size:11px}footer{border-top:1px solid var(--line);background:#15222a;align-items:center;gap:18px;height:70px;padding:14px 22px;display:flex}#play{width:39px;height:36px;padding:0;font-size:15px}#timeline{min-width:60px;accent-color:var(--accent);cursor:pointer;flex:1}#time{white-space:nowrap;color:#b6c8d1;font:12px ui-monospace,monospace}#loading{border:1px solid var(--line);background:#162a35ed;border-radius:10px;padding:14px 22px;font-size:13px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#error{color:#f0b39d;margin:14px 0 0;font-size:12px;line-height:1.5}[hidden]{display:none!important}@media(width>=1650px){main{grid-template-columns:minmax(0,1fr) 440px}aside{padding:22px}#camera-grid{gap:10px}}@media(width<=1000px){main{grid-template-columns:minmax(0,1fr) 310px}aside{padding:14px 12px}#camera-grid{gap:6px}.view-controls{top:16px;left:14px}.view-controls button{padding:8px;font-size:12px}figcaption{padding:4px 5px;font-size:9px}}@media(width<=650px){main{grid-template-rows:minmax(220px,0.85fr) minmax(0,1fr);grid-template-columns:1fr;height:calc(100dvh - 62px)}aside{border-left:0;border-top:1px solid var(--line);padding:12px}.settings{grid-template-columns:1fr 1fr;gap:10px;padding-bottom:12px;display:grid}.scene-select{grid-column:1/-1;gap:10px}.scene-select select{max-width:none;padding:7px;font-size:12px}.visibility-controls,.physics-controls{border:0;gap:8px;margin:0;padding:0}.settings label{font-size:12px}.physics-controls button{padding:5px 8px}#camera-grid{gap:6px}figcaption{padding:4px 5px;font-size:9px}.device-preview-panel{margin-top:10px}footer{gap:10px;height:62px;padding:10px 12px}#time{font-size:10px}}@media(height<=500px) and (orientation:landscape){main{grid-template-rows:1fr;grid-template-columns:minmax(0,1fr) min(300px,48vw);height:calc(100dvh - 54px)}aside{border-top:0;border-left:1px solid var(--line);padding:6px 8px;display:block}.settings{grid-template-columns:1fr 1fr;gap:4px;padding-bottom:6px;display:grid}.scene-select{flex-wrap:nowrap;grid-column:1/-1;gap:8px}.scene-select span,.scene-select select{font-size:11px}.scene-select select{width:auto;padding:4px 8px}.visibility-controls,.physics-controls{border:0;gap:4px;height:22px;margin:0;padding:0}.settings label{gap:5px;font-size:11px}.settings input[type="checkbox"]{width:13px;height:13px}.physics-controls button{padding:3px 8px;font-size:10px}#camera-grid{gap:4px}figcaption{padding:2px 4px;font-size:8px}.device-preview-panel{margin-top:8px}.view-controls{top:10px;left:10px}.view-controls button{padding:6px 8px;font-size:10px}footer{gap:10px;height:54px;padding:8px 12px}#play{width:32px;height:32px}#time{font-size:10px}}