:root{--background:#102a30;--surface:#f7f8f3;--text-primary:#142f34;--text-secondary:#435b60;--border:#bdcbc7;--primary:#16665b;--on-primary:#fff;--error:#9a3025;--focus:#d37b27;--space:8px;--radius:8px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;font-family:Segoe UI,Malgun Gothic,sans-serif;font-size:16px;line-height:1.6}*{box-sizing:border-box}body{background:var(--background);color:var(--text-primary);margin:0}#app{min-height:100dvh;overflow:hidden}#viewport{position:fixed;inset:0}canvas{outline:none;width:100%;height:100%;display:block}canvas:focus-visible{outline:3px solid var(--focus);outline-offset:-4px}.identity{background:var(--surface);border-radius:var(--radius);pointer-events:none;max-width:340px;padding:16px 24px;position:absolute;top:24px;left:32px}.eyebrow{letter-spacing:.1em;margin:0 0 8px;font-size:12px;font-weight:600}h1{margin:0 0 8px;font-size:32px;font-weight:650;line-height:1.2}h1 span{margin-top:4px;font-size:16px;font-weight:400;line-height:1.6;display:block}.identity>p:last-child{color:var(--text-secondary);margin:0;font-size:13px}.controls{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:280px;max-height:calc(100dvh - 48px);padding:16px;position:absolute;top:24px;right:24px;overflow-y:auto}h2{margin:0;font-size:18px}.panel-heading{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.panel-heading button{width:auto;padding:0 12px}label{justify-content:space-between;margin:16px 0 8px;font-size:14px;font-weight:600;display:flex}button,select{border:1px solid var(--border);width:100%;min-height:44px;color:var(--text-primary);background:var(--surface);font:inherit;cursor:pointer;border-radius:4px;padding:8px 12px}button:hover,select:hover{background:#e5ede7}button:active{background:#d4e2d9}button:disabled{opacity:.5;cursor:wait}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible{outline:3px solid var(--focus);outline-offset:3px}.primary{color:var(--on-primary);background:var(--primary);border-color:var(--primary)}.primary:hover{background:#125247}.controls #pause,.controls #reset{margin-top:16px}.presets{gap:8px;margin:8px 0;display:flex}.presets button{width:calc(33.3333% - 5.33333px);font-size:14px}input[type=range]{width:100%;min-height:44px;accent-color:var(--primary);cursor:pointer}.hint{color:var(--text-secondary);margin:16px 0 0;font-size:12px}.scene-info{border-top:1px solid var(--border);grid-template-columns:minmax(0,1fr) auto;gap:8px;margin-top:16px;padding-top:12px;font-size:13px;display:grid}.scene-info p{overflow-wrap:anywhere;margin:0}.scene-info #performance{color:var(--text-secondary);font-variant-numeric:tabular-nums;white-space:nowrap}.scene-info .source-link{grid-column:1/-1;align-items:center;min-height:44px;display:inline-flex}.scene-info #about{grid-column:1/-1}a{color:var(--primary)}.loading{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:min(420px,100% - 32px);padding:32px;position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}.loading p{margin:16px 0}.loading.error{border-color:var(--error)}.skip{z-index:10;background:var(--surface);padding:12px;position:fixed;top:8px;left:8px;transform:translateY(-160%)}.skip:focus{transform:none}dialog{border:1px solid var(--border);border-radius:var(--radius);width:calc(100% - 32px);max-width:600px;max-height:calc(100dvh - 32px);color:var(--text-primary);background:var(--surface);padding:32px;overflow:auto}dialog::backdrop{background:#102a3088}dialog p{font-size:16px}dialog form{margin-top:24px}details{margin-top:16px}summary{cursor:pointer;align-items:center;min-height:44px;display:flex}output{font-variant-numeric:tabular-nums}[hidden]{display:none!important}@media (width<=768px){.identity{max-width:220px;padding:12px 16px;top:16px;left:16px}h1{font-size:24px}.identity>p:last-child{display:none}.controls{top:auto;right:16px;bottom:calc(16px + env(safe-area-inset-bottom));width:248px;max-height:calc(100dvh - 152px - env(safe-area-inset-bottom));padding:12px}.panel-heading{z-index:1;background:var(--surface);margin:0;padding:8px 0;position:sticky;top:-12px}#control-body{margin-top:12px}.controls label{margin-top:8px}.hint{display:none}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto}}