/* Grid base (se non già presente) */
.az-gallery{display:grid;grid-template-columns:repeat(3,minmax(140px,1fr));gap:10px}
@media(max-width:900px){.az-gallery{grid-template-columns:repeat(2,minmax(120px,1fr))}}
.az-gallery a{display:block;border:1px solid #e5e7eb;border-radius:10px;overflow:hidden;background:#fff}
.az-gallery img{display:block;width:100%;height:auto}

/* Overlay */
.az-lightbox-overlay{
  position:fixed; inset:0; background:rgba(0,0,0,.85);
  display:none; align-items:center; justify-content:center; z-index:99999;
}
.az-lightbox-overlay.open{display:flex}
.az-lightbox-overlay img{
  max-width:92vw; max-height:92vh; border-radius:10px; box-shadow:0 10px 30px rgba(0,0,0,.5);
}

/* Close button (❌) */
.az-lb-close{
  position:absolute; top:16px; right:16px;
  width:44px; height:44px; border-radius:50%;
  border:0; background:#ffffff; color:#111827;
  font-size:26px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.25);
}
.az-lb-close:hover{background:#f3f4f6}

/* Nav arrows */
.az-lb-nav{
  position:absolute; top:50%; transform:translateY(-50%);
  width:48px; height:48px; border-radius:50%;
  border:0; background:#ffffff; color:#111827;
  font-size:28px; line-height:1; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 12px rgba(0,0,0,.25);
}
.az-lb-nav:hover{background:#f3f4f6}
.az-lb-nav.prev{left:16px}
.az-lb-nav.next{right:16px}

@media (max-width:640px){
  .az-lb-close{width:40px;height:40px;font-size:22px;top:12px;right:12px}
  .az-lb-nav{width:44px;height:44px;font-size:24px}
  .az-lb-nav.prev{left:10px}
  .az-lb-nav.next{right:10px}
}