/* Gallery thumbnail horizontal scroll */
.gallery-modal-thumbs {
  display: flex;
  flex-wrap: nowrap;
  overflow-x: auto;
  overflow-y: hidden;
  white-space: nowrap;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: #888888 #f1f1f1;
  -webkit-overflow-scrolling: touch;
}

/* Chrome / Edge / Safari */
.gallery-modal-thumbs::-webkit-scrollbar {
  height: 8px;
}

.gallery-modal-thumbs::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.gallery-modal-thumbs::-webkit-scrollbar-thumb {
  background: #888888;
  border-radius: 4px;
}

.gallery-modal-thumbs::-webkit-scrollbar-thumb:hover {
  background: #555555;
}

/* Không để thumbnail bị co lại */
.gallery-modal-thumbs > * {
  flex: 0 0 auto;
}