/* PRE's fixed Aurora canvas sits below the existing surface grain and tint.
   Isolation also keeps the gate template's negative layer above its body paint. */
body { isolation: isolate; }
.aurora-canvas {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -2;
  pointer-events: none;
  display: block;
}