:root{color-scheme:dark;--sky: #a8cadd;--ink: #2f2b25}*{box-sizing:border-box}html,body{margin:0;height:100%;overflow:hidden;background:var(--sky);color:var(--ink);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{position:relative;width:100%;height:100%}canvas{display:block;width:100%;height:100%;touch-action:none}.speed-controls{position:absolute;top:10px;left:10px;display:flex;gap:4px;padding:4px;border-radius:8px;background:#ffffff8c;user-select:none}.speed-controls__button{min-width:34px;padding:4px 8px;border:none;border-radius:6px;background:transparent;color:var(--ink);font-size:12px;font-variant-numeric:tabular-nums;cursor:pointer}.speed-controls__button:hover{background:#2f2b251f}.speed-controls__button.active{background:var(--ink);color:var(--sky)}.version-stamp{position:absolute;right:10px;bottom:8px;padding:3px 8px;border-radius:6px;background:#ffffff8c;color:var(--ink);font-size:11px;font-variant-numeric:tabular-nums;letter-spacing:.02em;pointer-events:none;user-select:none}