/* Simple fade transition — replaces complex tunnel */
.tunnel-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  background: var(--stadium-dark);
  transition: opacity 0.5s ease;
}

.tunnel-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.tunnel-overlay.fade-out {
  opacity: 0;
  transition: opacity 0.8s ease;
}

/* Hide tunnel arch elements — not used in light fade mode */
.tunnel-arch,
.tunnel-inner,
.tunnel-light {
  display: none;
}