body {
  margin: 0;
  padding: 0;
  background-color: black;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

#canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100vw !important;
  height: 100vh !important;
  border: 0px;
  display: block;
}

#loadingOverlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  z-index: 100;
  font-family: Arial, sans-serif;
  background-color: white;
  color: black;
}

@media (prefers-color-scheme: dark) {
  #loadingOverlay {
    background-color: black;
    color: white;
  }
}

#loadingText {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 8px;
}

#loadingSubtitle {
  font-size: 14px;
  opacity: 0.7;
}