/* One portrait viewport owns all game coordinates, including masks and artwork. */
html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: #102c27;
}

body {
  --viewport-height: 100vh;
  --available-height: calc(var(--viewport-height) - env(safe-area-inset-top, 0px) - env(safe-area-inset-bottom, 0px));
  position: fixed;
  inset: 0;
  width: 100%;
  height: var(--viewport-height);
  box-sizing: border-box;
  padding: env(safe-area-inset-top, 0px) env(safe-area-inset-right, 0px) env(safe-area-inset-bottom, 0px) env(safe-area-inset-left, 0px);
  display: grid;
  place-items: center;
  overscroll-behavior: none;
}

@supports (height: 100dvh) {
  body { --viewport-height: 100dvh; }
}

#GameDiv {
  position: relative !important;
  display: block !important;
  width: min(100%, 480px, calc(var(--available-height) * 9 / 16)) !important;
  height: auto !important;
  aspect-ratio: 9 / 16;
  margin: 0 !important;
  padding: 0;
  border: 0;
  overflow: hidden !important;
  background: #203d3c;
  transform: none !important;
  isolation: isolate;
  contain: layout paint;
}

#Cocos3dGameContainer,
#GameCanvas {
  position: relative !important;
  display: block;
  width: 100% !important;
  height: 100% !important;
  margin: 0 !important;
  overflow: hidden !important;
  transform: none !important;
}

#GameCanvas {
  outline: none;
  touch-action: none;
}