:root{color-scheme:light;--bg:#e4e6df;--paper:#fbfbf8;--ink:#1f2a26;--muted:#56625c;--line:#c4cbc3;--amber:#914a25;--teal:#216273;font:15px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}*{box-sizing:border-box}body{margin:0}header{height:68px;display:flex;align-items:center;gap:24px;padding:12px 24px;border-bottom:1px solid var(--line);background:var(--paper)}h1{font-size:19px;margin:0}a{color:#254e3d;text-underline-offset:3px}.back{font-size:14px}.build-label{margin-left:auto;font-size:12px;color:var(--muted)}main{display:grid;grid-template-columns:minmax(0,1fr) minmax(360px,450px);height:calc(100svh - 68px)}.visual{position:relative;min-width:0;overflow:hidden}.scene-heading{position:absolute;z-index:1;top:20px;left:24px;max-width:calc(100% - 48px);padding:14px 18px;background:#fbfbf8ed;border:1px solid var(--line);border-radius:8px;pointer-events:none}.scene-heading h2{font-size:22px;margin:0}.scene-heading p{margin:3px 0;color:var(--muted);font-size:13px}#physicsView{width:100%;height:100%;display:block}#benchmarkView{width:100%;height:100%;font-size:15px;fill:var(--ink)}[hidden]{display:none!important}.view-actions{position:absolute;bottom:98px;left:24px;display:flex;gap:8px}.visual-note{position:absolute;bottom:18px;left:24px;right:24px;max-width:570px;font-size:12px;padding:10px 12px;background:#fbfbf8ed;border:1px solid var(--line);border-radius:8px;margin:0}.workbench{background:var(--paper);padding:24px;overflow-y:auto;border-left:1px solid var(--line)}label{display:block;font-size:13px;font-weight:600;margin-bottom:6px}select,button{font:inherit;color:var(--ink);border:1px solid var(--line);border-radius:7px;min-height:44px;background:var(--paper);padding:0 10px}button{cursor:pointer}button:hover{border-color:#57685e}button:disabled{opacity:.5;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #cc830a;outline-offset:3px}#caseSelect{width:100%}.description{margin:10px 0 16px;color:var(--muted);font-size:13px}.transport{display:flex;gap:8px;align-items:center}.transport output{font-variant-numeric:tabular-nums;margin-right:auto}#runPlay{background:#24352f;color:#fff;border-color:#24352f;min-width:70px}input[type=range]{width:100%;height:36px;margin:8px 0 0;accent-color:#24352f}.readouts{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;margin:10px 0 24px}.readouts div{border-top:1px solid var(--line);padding-top:8px}.readouts dt{font-size:12px;color:var(--muted)}.readouts dd{font-size:25px;font-variant-numeric:tabular-nums;margin:0;letter-spacing:-.03em}.chart-heading{display:flex;align-items:center;gap:10px}.chart-heading label{margin:0}.chart-heading select{flex:1;min-width:0;font-size:13px}#runChart{width:100%;height:auto;display:block;margin-top:8px;font-size:11px;fill:var(--muted)}.legend{font-size:12px;margin:2px 0 16px;color:var(--muted)}.notice{border-left:3px solid var(--amber);padding-left:10px;font-size:12px;margin:18px 0}.scope-note{font-size:12px;color:var(--muted);margin-top:22px}details{border-top:1px solid var(--line);padding:12px 0;font-size:12px}summary{cursor:pointer;min-height:28px;font-size:13px;font-weight:600}details ul{padding-left:20px}details li{margin:6px 0}details p{margin:10px 0}.identity{overflow-wrap:anywhere;font-size:11px;color:var(--muted)}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#visualFallback{padding:110px 24px}#loadStatus{font-size:13px} @media(max-width:850px){header{padding:12px 16px;gap:16px}.build-label{font-size:10px}main{grid-template-columns:1fr;height:auto}.visual{height:56svh;min-height:330px}.scene-heading{left:16px;top:16px}.scene-heading h2{font-size:20px}.workbench{overflow:visible;border-left:0;border-top:1px solid var(--line);padding:20px 16px}.visual-note{left:16px;right:16px;bottom:12px;font-size:11px}.view-actions{left:16px;bottom:91px}#runChart{max-height:240px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}