:root{--accent:#d35400;--bg:#071022}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,Arial;background:var(--bg);color:#fff;display:flex;flex-direction:column;min-height:100vh}
header{display:flex;justify-content:space-between;align-items:center;padding:12px 18px;background:rgba(0,0,0,0.35)}
.game-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:18px}
canvas{background:linear-gradient(180deg,#021022,#00121a);border-radius:10px;box-shadow:0 12px 30px rgba(0,0,0,0.6)}
.hint{margin-top:12px;color:#cfcfcf}
.btn{background:var(--accent);color:#fff;padding:8px 12px;border-radius:8px;text-decoration:none}