.emailext-gallery {
  display: grid;
  grid-template-columns: repeat(var(--columns, 3), 1fr);
  gap: 8px;
  margin: 24px 0;
}

.emailext-gallery-item {
  position: relative;
  display: block;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 4/3;
  background: #f0f0f0;
}

.emailext-gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.emailext-gallery-item:hover img {
  transform: scale(1.05);
}

.emailext-gallery-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0);
  color: white;
  transition: background 0.3s ease;
  pointer-events: none;
}

.emailext-gallery-item:hover .emailext-gallery-overlay {
  background: rgba(0, 0, 0, 0.35);
}

.emailext-gallery-overlay svg {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.3s ease;
}

.emailext-gallery-item:hover .emailext-gallery-overlay svg {
  opacity: 1;
  transform: scale(1);
}

@media (max-width: 600px) {
  .emailext-gallery {
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }
}

@media (max-width: 400px) {
  .emailext-gallery {
    grid-template-columns: 1fr;
  }
}