:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#02040c;--text:#d7e8ff;--muted:#8aa0c0;--accent:#32f0ff;--accent-2:#ff3fd4}*{box-sizing:border-box}html,body{background:var(--bg);height:100%;color:var(--text);margin:0;font-family:Segoe UI,Helvetica Neue,sans-serif;overflow:hidden}#app{width:100%;height:100%;position:relative}#game-canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.brand{text-align:center;pointer-events:none;z-index:2;position:absolute;top:18px;left:50%;transform:translate(-50%)}.brand h1{letter-spacing:.28em;color:var(--accent);text-shadow:0 0 18px #32f0ff59;margin:0;font-size:22px;font-weight:700}.subtitle{letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin:6px 0 0;font-size:12px}#hud{z-index:2;color:#d7e8ffdb;pointer-events:none;font-family:ui-monospace,Cascadia Mono,Consolas,monospace;font-size:13px;line-height:1.55;position:absolute;top:18px;left:18px}.controls{z-index:2;color:var(--muted);pointer-events:none;font-size:12px;line-height:1.7;position:absolute;bottom:42px;left:18px}kbd{color:var(--accent);border:1px solid #32f0ff59;border-radius:3px;padding:1px 6px;font-family:inherit;font-size:11px;display:inline-block}.tech{z-index:2;letter-spacing:.08em;color:var(--muted);pointer-events:none;font-size:11px;position:absolute;bottom:16px;right:18px}#btn-sound{z-index:4;color:var(--muted);letter-spacing:.08em;cursor:pointer;background:#02061073;border:1px solid #32f0ff59;padding:4px 10px;font:11px ui-monospace,Cascadia Mono,Consolas,monospace;position:absolute;top:18px;right:18px}#btn-sound:hover,#btn-sound:focus-visible{color:var(--accent);outline:none}.overlay{z-index:3;text-align:center;background:#0206109e;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.overlay.hidden{display:none}.overlay h2{letter-spacing:.22em;color:var(--accent);margin:0 0 8px}.overlay p{color:var(--muted);margin:4px 0}.overlay button{border:1px solid var(--accent);color:var(--text);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;font:inherit;background:0 0;margin-top:22px;padding:10px 28px}.overlay button:hover,.overlay button:focus-visible{background:#32f0ff1f;outline:none}