body {
  margin: 0;
  overflow: hidden;
  background: #111;
}

canvas {
  display: block;
  margin: auto;
  background: #2c2f4a;
}
/* Developer Popup */
#devPopup {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translate(-50%, 20px);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 10px 18px;
  border-radius: 20px;
  
  font-size: 14px;
  font-family: Arial, sans-serif;
  
  opacity: 0;
  pointer-events: none;
  
  transition: opacity 0.5s ease;
  z-index: 1000;
}

#devPopup.show {
  opacity: 1;
}