/* Stili custom sopra a Bootstrap: solo ciò che Bootstrap non copre
   (titolo evento, griglia gallery, lightbox). */

.event-title {
  font-size: clamp(1.8rem, 6vw, 2.6rem);
  letter-spacing: -0.02em;
}

/* ---- Gallery grid ---- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.5rem;
}

.gallery-item {
  position: relative;
  display: block;
  cursor: zoom-in;
}

.gallery-item img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  border-radius: 0.5rem;
  display: block;
  transition: transform 0.15s ease;
}

.gallery-item:active img { transform: scale(0.97); }

/* ---- Lightbox ---- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1080; /* sopra la navbar Bootstrap */
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.92);
  padding: 1rem;
}

.lightbox[hidden] { display: none; }

.lightbox-img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 6px;
}

.lightbox-btn {
  position: absolute;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 2rem;
  line-height: 1;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-btn:hover { background: rgba(255, 255, 255, 0.3); }

.lightbox-close { top: 1rem; right: 1rem; }
.lightbox-prev { left: 0.5rem; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 0.5rem; top: 50%; transform: translateY(-50%); }

.lightbox-download {
  position: absolute;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
}