.mod-foliogallery {
  --fg-gap: 12px;
  --fg-radius: 12px;
  --fg-scroll-height: 720px;
  --fg-preview-max: 2048px;
  --fg-cols-desktop: 4;
  --fg-cols-tablet: 3;
  --fg-cols-mobile: 2;
  position: relative;
}

.mod-foliogallery__notice {
  margin: 0;
  padding: 12px;
  border: 1px solid #d9d9d9;
  border-radius: 8px;
  background: #fafafa;
}

.mod-foliogallery__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.mod-foliogallery__filter {
  border: 1px solid #bdbdbd;
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.9rem;
  background: #fff;
  color: #222;
  cursor: pointer;
  transition: all 0.2s ease;
}

.mod-foliogallery__filter.is-active {
  background: #1b5e20;
  border-color: #1b5e20;
  color: #fff;
}

.mod-foliogallery__grid {
  display: grid;
  gap: var(--fg-gap);
  grid-template-columns: repeat(var(--fg-cols-desktop), minmax(0, 1fr));
  grid-auto-flow: dense;
  grid-auto-rows: 110px;
}

.mod-foliogallery__viewport {
  max-height: var(--fg-scroll-height);
  overflow-y: auto;
  overflow-x: hidden;
  padding-right: 6px;
}

.mod-foliogallery[data-scroll-loading="0"] .mod-foliogallery__viewport {
  max-height: none;
  overflow: visible;
  padding-right: 0;
}

.mod-foliogallery__item {
  margin: 0;
  overflow: hidden;
  border-radius: var(--fg-radius);
  position: relative;
  background: #efefef;
  aspect-ratio: auto;
  grid-column: span 1;
  grid-row: span 2;
  cursor: zoom-in;
}

.mod-foliogallery__item.is-hidden {
  display: none;
}

.mod-foliogallery__item.is-pending {
  display: none;
}

.mod-foliogallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mod-foliogallery__item figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.56);
  color: #fff;
  font-size: 0.8rem;
  padding: 6px 10px;
}

/* Mosaic pattern inspired by CSS grids with mixed tile sizes */
.mod-foliogallery__item:nth-child(8n + 1) {
  grid-column: span 2;
  grid-row: span 3;
}

.mod-foliogallery__item:nth-child(8n + 3) {
  grid-column: span 1;
  grid-row: span 4;
}

.mod-foliogallery__item:nth-child(8n + 5) {
  grid-column: span 2;
  grid-row: span 2;
}

.mod-foliogallery__item:nth-child(8n + 7) {
  grid-column: span 2;
  grid-row: span 4;
}

.mod-foliogallery__item.is-portrait {
  grid-row: span 4;
}

.mod-foliogallery__item.is-landscape {
  grid-row: span 2;
}

.mod-foliogallery__sentinel {
  height: 1px;
}

.mod-foliogallery__preview {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  display: grid;
  place-items: center;
  z-index: 9999;
  padding: 24px;
}

.mod-foliogallery__preview[hidden] {
  display: none;
}

.mod-foliogallery__preview img {
  max-width: min(var(--fg-preview-max), calc(100vw - 64px));
  max-height: min(var(--fg-preview-max), calc(100vh - 64px));
  width: auto;
  height: auto;
  border-radius: var(--fg-radius);
  object-fit: contain;
}

.mod-foliogallery__preview-close {
  position: fixed;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1024px) {
  .mod-foliogallery__grid {
    grid-template-columns: repeat(var(--fg-cols-tablet), minmax(0, 1fr));
    grid-auto-rows: 95px;
  }

  .mod-foliogallery__item:nth-child(8n + 7) {
    grid-column: span 1;
    grid-row: span 3;
  }
}

@media (max-width: 680px) {
  .mod-foliogallery__viewport {
    padding-right: 0;
  }

  .mod-foliogallery__grid {
    grid-template-columns: repeat(var(--fg-cols-mobile), minmax(0, 1fr));
    grid-auto-rows: 85px;
  }

  .mod-foliogallery__item,
  .mod-foliogallery__item:nth-child(8n + 1),
  .mod-foliogallery__item:nth-child(8n + 3),
  .mod-foliogallery__item:nth-child(8n + 5),
  .mod-foliogallery__item:nth-child(8n + 7) {
    grid-column: span 1;
  }

  .mod-foliogallery__item.is-portrait {
    grid-row: span 3;
  }

  .mod-foliogallery__item.is-landscape {
    grid-row: span 2;
  }
}