.gallery img {
  cursor: pointer;
}

/* Overlay principal */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* Conteneur de l'image */
.lightbox-img-container {
  max-width: 90vw;
  max-height: 90vh;
}

/* Image ou <picture> dans la lightbox */
.lightbox-img-container picture,
.lightbox-img-container img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  display: block;
  margin: auto;
}

/* Boutons navigation et fermeture */
.lightbox-nav,
.lightbox-close {
  position: absolute;
  background: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  font-size: 2rem;
  padding: 0.5rem 0.8rem;
  cursor: pointer;
  transition: background 0.2s;
}
.lightbox-nav:hover,
.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.7);
}

/* Flèche gauche */
.lightbox-prev {
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
}

/* Flèche droite */
.lightbox-next {
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
}

/* Bouton de fermeture */
.lightbox-close {
  top: 10px;
  right: 10px;
  font-size: 1.8rem;
  line-height: 1;
}

/* Responsive boutons */
@media (max-width: 600px) {
  .lightbox-nav,
  .lightbox-close {
    font-size: 1.5rem;
    padding: 0.4rem 0.6rem;
  }
}