/* ========================================
   LightPillar Background — Fixed overlay
   ======================================== */

.light-pillar-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;       /* allow clicks to pass through to content */
  mix-blend-mode: normal;
}

/* When interactive mode is on, re-enable pointer events
   so the mousemove listener works on the container */
.light-pillar-bg.interactive {
  pointer-events: auto;
}

/* Fallback shown when WebGL is unavailable */
.light-pillar-fallback {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.05);
  color: #888;
  font-size: 14px;
}