.rr-game{
  max-width:380px;margin:20px auto;padding:20px;
  background:linear-gradient(135deg,#0f172a,#020617);
  color:#fff;border-radius:16px;text-align:center;
  font-family:Arial,Helvetica,sans-serif;
  box-shadow:0 15px 40px rgba(0,0,0,.6)
}
.rr-info,.rr-controls{
  display:flex;justify-content:space-between;
  margin:10px 0;font-size:.9rem
}
canvas{
  background:#020617;border-radius:12px;margin:12px 0
}
button{
  background:#22c55e;color:#000;
  border:none;border-radius:10px;
  padding:10px 24px;font-weight:bold;
  cursor:pointer
}
select{border-radius:8px;padding:4px}
#gameOver{margin-top:10px;color:#fb7185;font-weight:bold}