#gameContainer {
  display: flex;
  justify-content: center;
  margin-top: 20px;
}

canvas {
  border: 2px solid #333;
  background: #fff;
}

#unlockButton {
  margin-top: 20px;
  padding: 12px 24px;
  font-size: 16px;
  background-color: #d62828;
  color: white;
  border: none;
  border-radius: 6px;
  cursor: not-allowed;
  opacity: 0.6;
  transition: all 0.3s ease;
}

#unlockButton:enabled {
  cursor: pointer;
  opacity: 1;
  background-color: #007bff;
}