body {
  margin: 0;
  background-color: black; /* Set background color to black */
}
html,
body {
  height: 100%;
  overflow: hidden;
}
canvas {
  display: block;
}
#loader {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: black; /* Loader background color */
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000; /* Ensure loader is on top */
}
.spinner {
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-top: 4px solid white;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
}
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}