canvas#game {
  position: fixed; inset: 0;
  display: block;
  width: 100%; height: 100%;
  touch-action: none;
  background: #03030a;
}
canvas#mini {
  position: fixed;
  bottom: calc(20px + env(safe-area-inset-bottom));
  right: calc(20px + env(safe-area-inset-right));
  width: 110px; height: 110px;
  border: 1px solid rgba(0,245,255,0.4);
  background: rgba(10,10,30,0.65);
  z-index: 30;
}