/* Lightweight Lightbox */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.lightbox-overlay.active { display: flex; }

.lightbox-overlay img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0,0,0,0.4);
  animation: fadeIn 0.25s ease;
}

@keyframes fadeIn { from {opacity:0;} to {opacity:1;} }

.lightbox-img {
  cursor: zoom-in;
  border-radius: 8px;
}