.panel-shell {
  position: relative;
  width: 100vw;
  height: calc(100vh - var(--header-h, 80px));
  overflow: hidden;
  background: var(--bg);
}

.panel-strip {
  display: flex;
  width: 400vw;
  height: 100%;
  transition: transform 0.45s ease, opacity 0.25s ease;
}

.panel-section {
  width: 100vw;
  min-width: 100vw;
  height: calc(100vh - var(--header-h, 80px));
  overflow-y: auto;
  overflow-x: hidden;
  box-sizing: border-box;
  padding: 6px 6px 0;
  content-visibility: auto;
  contain-intrinsic-size: 1px 1500px;
}

.masonry-grid {
  display: flex;
  width: 100%;
  flex: 1 1 auto;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  column-gap: 6px;
  row-gap: 6px;
}

.masonry-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 0;
}

.masonry-item {
  display: block;
  border: 1px solid var(--divider);
  opacity: 1;
  transform: none;
  transition: none;
}

.masonry-item img {
  display: block;
  width: 100%;
  height: auto;
  opacity: 1;
  transform: none;
  transition: none;
}

.masonry-item:hover,
.masonry-item:focus {
  border-color: #ffffff;
}

@media (max-width: 999px) {
  .masonry-grid {
    flex-wrap: wrap;
  }

  .masonry-col {
    min-width: calc(50% - 3px);
  }
}

@media (max-width: 699px) {
  .masonry-grid {
    flex-direction: column;
  }

  .masonry-col {
    min-width: 100%;
  }
}

@media (max-width: 319px) {
  .panel-shell {
    overflow: auto;
  }

  .panel-strip {
    width: auto;
    transform: none !important;
  }

  .panel-section {
    width: 320px;
    min-width: 320px;
    overflow-x: auto;
  }
}

.panel-section[data-section="info"] {
  padding-left: clamp(1.5rem, 4vw, 3rem);
  padding-right: clamp(1.5rem, 4vw, 3rem);
}