/**
 * DBC Previous Book of the Day gallery — [dbc_prev_botd_gallery]
 * Responsive columns via CSS Grid (no Shuffle.js).
 */

.dbc-prev-botd-gallery {
  --dbc-prev-botd-gap: 15px;
  --dbc-prev-cover-radius: 12px;
  --dbc-prev-filter-bg: #14171c;
  --dbc-prev-filter-color: #ffffff;
  --dbc-prev-filter-active-color: #f7ce69;
  --dbc-prev-filter-active-bg: transparent;
  /* Column counts: cols-m (<768), cols-ml (landscape <768), cols-t (768–1023 = DBC tablet), cols-d (≥1024 desktop). */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.dbc-prev-botd-gallery--empty {
  padding: 1rem;
  text-align: center;
}

.dbc-prev-botd-gallery__empty {
  margin: 0;
  color: #666;
}

/* Filter bar */
.dbc-prev-botd-gallery__filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.2rem 0.5rem;
  padding: 0.3rem 0.6rem;
  margin: 0 0 var(--dbc-prev-botd-gap, 15px);
  background-color: var(--dbc-prev-filter-bg);
  box-sizing: border-box;
}

.dbc-prev-botd-gallery__filter {
  margin: 0;
  padding: 0.12rem 0.4rem;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 0.8125rem;
  line-height: 1.25;
  color: var(--dbc-prev-filter-color);
  border-radius: 0;
  transition: color 0.25s ease, background-color 0.25s ease, transform 0.2s ease;
}

.dbc-prev-botd-gallery__filter:hover {
  background-color: transparent !important;
  color: var(--dbc-prev-filter-active-color);
  box-shadow: none;
}

.dbc-prev-botd-gallery__filter:focus-visible {
  outline: 2px solid var(--dbc-prev-filter-active-color);
  outline-offset: 2px;
}

.dbc-prev-botd-gallery__filter.is-active {
  color: var(--dbc-prev-filter-active-color);
  background-color: var(--dbc-prev-filter-active-bg);
}

@media (prefers-reduced-motion: no-preference) {
  .dbc-prev-botd-gallery__filter.is-active {
    transform: scale(1.03);
  }
}

/* Book grid: columns_mobile (<768px portrait), columns_mobile_landscape (<768px + landscape), tablet, desktop */
.dbc-prev-botd-gallery__grid {
  display: grid;
  grid-template-columns: repeat(var(--dbc-prev-botd-cols-m, 3), minmax(0, 1fr));
  gap: var(--dbc-prev-botd-gap, 15px);
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  align-items: start;
}

@media (max-width: 767px) and (orientation: landscape) {
  .dbc-prev-botd-gallery__grid {
    grid-template-columns: repeat(var(--dbc-prev-botd-cols-ml, 4), minmax(0, 1fr));
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .dbc-prev-botd-gallery__grid {
    grid-template-columns: repeat(var(--dbc-prev-botd-cols-t, 4), minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .dbc-prev-botd-gallery__grid {
    grid-template-columns: repeat(var(--dbc-prev-botd-cols-d, 5), minmax(0, 1fr));
  }
}

.dbc-prev-botd-gallery__item {
  position: relative;
  margin: 0;
  padding: 0;
  min-width: 0;
  list-style: none;
  box-sizing: border-box;
}

.dbc-prev-botd-gallery__item.is-dbc-filtered-out {
  display: none;
}

.dbc-prev-botd-gallery__card {
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  transform-origin: center center;
  transition:
    transform 0.42s cubic-bezier(0.25, 0.85, 0.25, 1),
    opacity 0.36s ease;
}

/* Wraps cover link + shelf bookmark; hover shadow + lift target this slot so nothing clips inside overflow:hidden. */
.dbc-prev-botd-gallery__bookmark-slot {
  border-radius: 0;
  border-top-right-radius: var(--dbc-prev-cover-radius);
  border-bottom-right-radius: var(--dbc-prev-cover-radius);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
@supports selector(:has(a)) {
  /* visible: ribbon uses negative top like ranked list; cover still clipped by .dbc-prev-botd-gallery__link */
  .dbc-prev-botd-gallery__bookmark-slot {
    overflow: visible;
  }
}

@media (prefers-reduced-motion: no-preference) {
  /* Entrance: same slide + fade + stagger as [dbc_country_grid] (js/dbc-country-grid.js) */
  .dbc-prev-botd-gallery[data-dbc-pb-animate] .dbc-prev-botd-gallery__item.is-dbc-pb-await {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
    transition:
      opacity 1.1s cubic-bezier(0.22, 1, 0.32, 1),
      transform 1.1s cubic-bezier(0.22, 1, 0.32, 1);
    will-change: opacity, transform;
  }

  .dbc-prev-botd-gallery[data-dbc-pb-animate] .dbc-prev-botd-gallery__item.is-dbc-pb-await.is-dbc-pb-in {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: auto;
  }

  /* FLIP: books that stay visible glide from old grid slot to new (layout reflows same frame) */
  .dbc-prev-botd-gallery__item.is-dbc-flip-1 .dbc-prev-botd-gallery__card {
    transform: translate3d(var(--dbc-flip-x, 0), var(--dbc-flip-y, 0), 0);
    transition: none !important;
  }

  .dbc-prev-botd-gallery__item.is-dbc-flip-2 .dbc-prev-botd-gallery__card {
    transform: none;
    transition: transform 0.48s cubic-bezier(0.22, 1, 0.32, 1) !important;
  }

  /* Enter from hidden: settle prep frame (no transition), then grow in */
  .dbc-prev-botd-gallery__item.is-dbc-enter-prep:not(.is-dbc-enter-go) .dbc-prev-botd-gallery__card {
    opacity: 0;
    transform: scale(0.78);
    transition: none;
  }

  .dbc-prev-botd-gallery__item.is-dbc-enter-prep.is-dbc-enter-go .dbc-prev-botd-gallery__card {
    opacity: 1;
    transform: none;
    transition:
      transform 0.44s cubic-bezier(0.22, 1, 0.32, 1),
      opacity 0.38s ease;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dbc-prev-botd-gallery__item.is-dbc-pb-await {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    will-change: auto !important;
  }

  .dbc-prev-botd-gallery__card {
    transition: none;
    animation: none !important;
  }
}

/* Two rounded corners on the right: top-right + bottom-right */
.dbc-prev-botd-gallery__link {
  position: relative;
  display: block;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  line-height: 0;
  margin: 0;
  padding: 0;
  text-decoration: none;
  border-radius: 0;
  border-top-right-radius: var(--dbc-prev-cover-radius);
  border-bottom-right-radius: var(--dbc-prev-cover-radius);
}

.dbc-prev-botd-gallery__link:focus-visible {
  outline: 2px solid var(--dbc-prev-filter-active-color);
  outline-offset: 2px;
}

.dbc-prev-botd-gallery__link img,
.dbc-prev-botd-gallery__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  margin: 0;
  padding: 0;
  vertical-align: top;
  object-fit: cover;
  aspect-ratio: 2 / 3;
  border-radius: 0;
  border-top-right-radius: var(--dbc-prev-cover-radius);
  border-bottom-right-radius: var(--dbc-prev-cover-radius);
}

.dbc-prev-botd-gallery__placeholder {
  display: block;
  width: 100%;
  margin: 0;
  aspect-ratio: 2 / 3;
  background: #2a2a2a;
  border-radius: 0;
  border-top-right-radius: var(--dbc-prev-cover-radius);
  border-bottom-right-radius: var(--dbc-prev-cover-radius);
}

/* Lift + shadow on slot: whole cover + datebar + shelf overlay move together (avoids clip gap under overflow:hidden). */
@media (prefers-reduced-motion: no-preference) {
  .dbc-prev-botd-gallery__bookmark-slot:hover,
  .dbc-prev-botd-gallery__bookmark-slot:focus-within,
  .dbc-prev-botd-gallery__bookmark-slot:has(.dbc-bod-bookmark-wrap.is-open) {
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
  }
}

@media (prefers-reduced-motion: reduce) {
  .dbc-prev-botd-gallery__bookmark-slot {
    transition: none;
  }
}

/* Date overlaid on cover bottom — bottom fade matches [dbc_upcoming_releases_carousel] countdown strip */
.dbc-prev-botd-gallery__datebar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
  margin: 0;
  padding: 0.85em 0.28em 0.42em;
  font-family: "Poppins", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: clamp(0.5rem, calc(0.18rem + 0.38vmin + 0.2vw), 0.6875rem);
  line-height: 1.2;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: #fff;
  box-sizing: border-box;
  pointer-events: none;
  border-bottom-right-radius: var(--dbc-prev-cover-radius);
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.82) 0%,
    rgba(0, 0, 0, 0.5) 45%,
    transparent 100%
  );
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.45);
  transition:
    transform 0.32s cubic-bezier(0.22, 1, 0.32, 1),
    opacity 0.28s ease;
}

/* Mouse / trackpad: tuck date below the clip, slide up on hover or keyboard focus */
@media (hover: hover) and (pointer: fine) {
  .dbc-prev-botd-gallery__datebar {
    transform: translateY(calc(100% + 0.25rem));
    opacity: 0;
  }

  .dbc-prev-botd-gallery__bookmark-slot:hover .dbc-prev-botd-gallery__datebar,
  .dbc-prev-botd-gallery__bookmark-slot:focus-within .dbc-prev-botd-gallery__datebar {
    transform: translateY(0);
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .dbc-prev-botd-gallery__datebar {
    transform: none !important;
    opacity: 1 !important;
    transition: none;
  }
}