/* Overlay principale */
.gb-lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(255,255,255); /*cambia rgba se vuoi sfondo scuro*/
  z-index: 9999;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.gb-lightbox-overlay.active {
  display: flex;
  opacity: 1;
}

/* Contenitore immagine */
.gb-lightbox-content {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  padding: 2rem;
  touch-action: pan-y;
}

.gb-lightbox-content img {
  max-width: 90%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 8px;
  transition: transform 0.3s ease;
}

/* Barra comandi in alto o in basso */
.gb-lightbox-controls {
  position: absolute;
  top: auto; /* usa bottom:1rem per spostarla sotto */
  bottom: 1rem;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
  z-index: 10000;
}

/* Pulsanti cambia in base alle necessità */
.gb-lightbox-button {
  color: white;
  background: rgba(0,0,0,0.4);
  border: none;
  padding: 0.5em 1em;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 0.2s ease;
}
.gb-lightbox-button:hover,
.gb-lightbox-button:focus {
  background: rgba(0,0,0,0.4);
  outline: none;
}

/* Pulsante chiudi */
.gb-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  font-size: 2rem;
  color: white;
  cursor: pointer;
  border: none;
}
.gb-lightbox-close:hover,
.gb-lightbox-close:focus {
  color: #f66;
  outline: none;
}