*{box-sizing:border-box}body{color:#e7e9f0;background:#1e1e28;margin:0;font-family:system-ui,sans-serif}.site-nav{border-bottom:1px solid #232a44;justify-content:space-between;align-items:center;padding:12px 24px;display:flex}.site-nav .brand{font-size:20px;font-weight:700}.site-nav nav a{color:#aab2d0;margin-left:20px;text-decoration:none}.site-nav nav a:hover{color:#fff}.page{text-align:center;max-width:1100px;margin:0 auto;padding:24px 16px 80px}.page-title{margin:8px 0 20px}.instructions{color:#aab2d0;margin-top:40px}#game-wrap{aspect-ratio:16/11;border-radius:12px;width:min(960px,100%);margin:0 auto;position:relative;overflow:hidden}#game-canvas{width:100%;height:100%;display:block}#hud-timer{color:#fff;pointer-events:none;font:700 28px ui-monospace,monospace;position:absolute;top:16px;left:16px}.overlay{background:#0000008c;place-items:center;display:grid;position:absolute;inset:0}.overlay[hidden]{display:none}.card{color:#fff;text-align:center;background:#779404;border-radius:16px;min-width:260px;padding:32px 40px}.card h1{margin:0 0 8px;font-size:40px}.card h2{margin:0 0 8px}.card button{color:#fff;cursor:pointer;background:#3b6bff;border:0;border-radius:8px;margin-top:16px;padding:12px 24px;font-size:18px}.card button:hover{background:#5580ff}