/* indextest.php — white/red lightning behind puzzle content */
.page-indextest .puzzle-piece__surface {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

.page-indextest .puzzle-lightning-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: block;
  mix-blend-mode: screen;
}

.page-indextest .puzzle-piece__content {
  position: relative;
  z-index: 1;
}

@media (prefers-reduced-motion: reduce) {
  .page-indextest .puzzle-lightning-layer {
    display: none;
  }
}