:root{color:#202722;letter-spacing:0;background:#f5f7f6;font-family:system-ui,sans-serif}*{box-sizing:border-box}body{margin:0}header{background:#fff;border-bottom:1px solid #ccd5cf;flex-wrap:wrap;align-items:center;gap:24px;padding:16px 24px;display:flex}nav{flex-wrap:wrap;gap:18px;display:flex}a{color:#236146}main{padding:20px 24px}h1{margin:0 0 16px;font-size:24px;font-weight:600}#stage{background:#172522;width:100%;height:min(60vh,520px);min-height:260px;position:relative;overflow:hidden}canvas{width:100%;height:100%;display:block}#game-button{z-index:2;color:#203c30;background:#e8f0e9;border:1px solid #91b69c;border-radius:6px;width:160px;height:44px;font-size:16px;font-weight:600;display:none;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}#game-button:focus-visible{outline-offset:4px;outline:3px solid #f4ca64}.controls{flex-wrap:wrap;align-items:center;gap:16px;margin:16px 0;display:flex}button{font:inherit;cursor:pointer;background:#fff;border:1px solid #859b8c;border-radius:4px;padding:8px 12px}button:disabled{opacity:.5}pre{white-space:pre-wrap;overflow-wrap:anywhere;border-top:1px solid #d0d9d2;padding:12px 0;font-size:12px}#status{font-size:14px}@media (width<=600px){header,main{padding:14px}nav{gap:12px}h1{font-size:20px}}