:root{--bg:#0f1222;--panel:#14182cd9;--text:#eef0ff;--muted:#9aa0c7;--x:#ff5d73;--o:#4fc3ff}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);touch-action:none;-webkit-user-select:none;user-select:none;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;overflow:hidden}#scene{width:100%;height:100%;display:block;position:fixed;inset:0}#hud{padding:calc(env(safe-area-inset-top) + 10px) 12px 10px;pointer-events:none;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;display:flex;position:fixed;top:0;left:0;right:0}#hud>*{pointer-events:auto}#status{background:var(--panel);border-radius:12px;padding:8px 14px;font-size:1.25rem;font-weight:700}#status.x{color:var(--x)}#status.o{color:var(--o)}#controls{flex-wrap:wrap;gap:6px;display:flex}select,button{font:inherit;color:var(--text);background:var(--panel);border:1px solid #343a66;border-radius:10px;min-height:40px;padding:8px 10px;font-size:.95rem}button{cursor:pointer;font-weight:600}button:active{transform:scale(.97)}#layers{left:0;right:0;bottom:calc(env(safe-area-inset-bottom) + 12px);pointer-events:none;justify-content:center;display:flex;position:fixed}#layers label{pointer-events:auto;background:var(--panel);color:var(--muted);border-radius:12px;align-items:center;gap:10px;padding:8px 14px;display:flex}input[type=range]{width:150px}#hud .left{align-items:center;gap:8px;display:flex}#menu{color:var(--text);background:var(--panel);border:1px solid #343a66;border-radius:10px;place-items:center;min-width:40px;height:40px;font-size:1.1rem;text-decoration:none;display:grid}