html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

main {
  width: 100%;
  height: 100%;
}

canvas {
  display: block;
  position: fixed;
  top: 0;
  left: 0;
}

.mandala-pane {
  position: fixed;
  top: 8px;
  right: 8px;
  z-index: 1000;
  width: 256px;
  max-width: 256px;
  max-height: calc(100vh - 16px);
  max-height: calc(100dvh - 16px);
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.mandala-pane::-webkit-scrollbar {
  display: none;
  width: 0;
  height: 0;
}