* { margin: 0; padding: 0; box-sizing: border-box; }
body { background: #87CEEB; overflow: hidden; font-family: monospace; }
canvas { display: block; }

#scoreBox {
  position: fixed;
  top: 12px;
  left: 12px;
  font-size: 18px;
  font-weight: bold;
  color: #222;
}
button {
  touch-action: manipulation;
}


.menu {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  color: white;
}

.menu h1 { font-size: 42px; }

.menu button {
  padding: 10px 26px;
  font-size: 18px;
  cursor: pointer;
  border-radius: 6px;
  border: none;
}