:root{--bg:#eef2ef;--panel:#fff;--fg:#16211d;--muted:#5b6b64;--line:#d3ddd7;--body:#1f9d8b;--limb:#14695d;--grid:#cfdad3;--mark:#d98a00;--err:#b3261e;--display:"Space Grotesk", "Inter", system-ui, sans-serif;--text:"Inter", system-ui, -apple-system, "Segoe UI", sans-serif}@media (prefers-color-scheme:dark){:root{--bg:#0e1513;--panel:#151e1b;--fg:#e6efea;--muted:#93a39c;--line:#26332e;--body:#3fd0b8;--limb:#2a9483;--grid:#22302b;--mark:#f2b233;--err:#f2b8b5;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);font-family:var(--text);margin:0;line-height:1.5}.wrap{max-width:760px;padding-block:20px 32px;padding-left:max(16px, env(safe-area-inset-left,0px));padding-right:max(16px, env(safe-area-inset-right,0px));flex-direction:column;gap:16px;margin:0 auto;display:flex}h1{font-family:var(--display);text-wrap:balance;margin:0;font-size:1.6rem;line-height:1.15}.lead{color:var(--muted);max-width:60ch;margin:0}.stage{aspect-ratio:4/3;border:1px solid var(--line);background:var(--bg);border-radius:10px;width:100%;max-height:62vh;position:relative;overflow:hidden}.stage canvas{touch-action:none;cursor:grab;width:100%;height:100%;display:block}.hint{color:var(--muted);pointer-events:none;font-size:.75rem;position:absolute;bottom:8px;left:10px}.stats{color:var(--muted);font-variant-numeric:tabular-nums;flex-wrap:wrap;gap:6px 20px;font-size:.85rem;display:flex}.stats b{color:var(--fg);font-weight:600}.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 24px;padding:14px 16px;display:grid}.ctl{flex-direction:column;gap:4px;min-width:0;display:flex}.ctl.wide{grid-column:1/-1}.ctl label,.json-panel label{justify-content:space-between;font-size:.85rem;font-weight:500;display:flex}.ctl output{color:var(--muted);font-variant-numeric:tabular-nums}input[type=range]{width:100%;accent-color:var(--body);height:28px;margin:0}select,textarea{font:.9rem var(--text);color:var(--fg);background:var(--bg);border:1px solid var(--line);border-radius:8px;width:100%;padding:10px 12px}textarea{resize:vertical;font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace;font-size:.8rem}.row{flex-wrap:wrap;gap:10px;display:flex}button{font:600 .9rem var(--text);color:var(--fg);background:var(--panel);border:1px solid var(--line);cursor:pointer;border-radius:8px;padding:10px 14px}button.primary{background:var(--body);border-color:var(--body);color:#06201b}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--mark);outline-offset:2px}input:disabled{opacity:.4}.json-panel{flex-direction:column;gap:8px;display:flex}.json-panel[hidden]{display:none}.errors{border:1px solid var(--err);color:var(--err);white-space:pre-wrap;border-radius:8px;margin:0;padding:10px 12px;font-size:.8rem}.errors[hidden]{display:none}.note{color:var(--muted);max-width:65ch;min-height:1.3em;margin:0;font-size:.85rem}.ctl.checks{justify-content:center;gap:8px}.ctl.checks label{justify-content:flex-start;align-items:center;gap:8px}