body {
  margin: 0;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

#zenCanvas {
  touch-action: none;
  background: #1a1a1a;
}

.toolbar {
  position: fixed;
  top: 20px;
  left: 20px;
  background: rgba(255, 255, 255, 0.1);
  padding: 10px;
  border-radius: 20px;
  backdrop-filter: blur(5px);
}

button {
  background: none;
  border: 2px solid white;
  color: white;
  padding: 8px;
  border-radius: 10px;
  cursor: pointer;
  margin: 0 5px;
}

#loader {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 24px;
}