html, body {
  margin: 0;
  height: 100%;
  background: #0b1220;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
}

canvas {
  display: block;
  aspect-ratio: 675 / 1200;
  height: min(100dvh, calc(100vw * 1200 / 675));
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}

/* Kept in layout (not display:none) so mobile browsers still decode frames. */
#wake {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}