/* Lightbox overlay */
.lightbox {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.lightbox.active {
  display: flex;
}
.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
  cursor: default;
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  color: #fff;
  font-size: 32px;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}
.lightbox-close:hover {
  opacity: 1;
}