html,body{background:#000;height:100%;margin:0;font-family:system-ui,sans-serif;overflow:hidden}#app canvas{display:block}#overlay{color:#fff;text-align:center;cursor:pointer;-webkit-user-select:none;user-select:none;background:#0a0e1c8c;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}#overlay.hidden{display:none}#overlay h1{letter-spacing:.08em;margin:0 0 .5rem;font-size:3rem}#overlay .play{margin:0 0 1rem;font-size:1.4rem}#debug{color:#cfe;pointer-events:none;background:#0009;margin:0;padding:6px 8px;font:12px/1.4 ui-monospace,monospace;position:fixed;top:8px;left:8px}#overlay .keys{opacity:.8;margin:0}