*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#101c2a;color:#e4f2f2;font-family:system-ui,sans-serif}#game{width:100%;height:100%;position:relative}canvas{display:block}.hud{position:absolute;top:18px;left:18px;padding:12px 16px;background:#101c2ad9;border:1px solid #385061;border-radius:8px;white-space:pre-line;line-height:1.8;pointer-events:none;font-size:clamp(12px,2vw,16px)}.overlay{position:absolute;inset:0;display:grid;place-items:center;background:#060d18bb}.overlay[hidden]{display:none}section{text-align:center;padding:32px;background:#172b3d;border:1px solid #61e3ce;border-radius:12px}button{background:#61e3ce;color:#10242d;border:0;padding:14px 26px;font:inherit;cursor:pointer;border-radius:6px}button:focus-visible{outline:3px solid white;outline-offset:4px}