.spib {
  --spib-gap: 1rem;
  --spib-radius: 999px;
  --spib-border: #1a1a1a;
  --spib-filter-bg: #fff;
  --spib-filter-active-bg: #111;
  --spib-filter-active-fg: #fff;
}

.spib-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.spib-meta-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
}

.spib-per-page {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.spib-per-page-label {
  font-size: 14px;
  margin-right: 0.15rem;
  opacity: 0.8;
}

.spib-per-page-btn {
  appearance: none;
  margin: 0;
  padding: 0.25em 0.625em;
  border: 1px solid var(--spib-border);
  border-radius: var(--spib-radius);
  background: var(--spib-filter-bg);
  color: #111;
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
}

.spib-per-page-btn.is-active {
  background: var(--spib-filter-active-bg);
  border-color: var(--spib-filter-active-bg);
  color: var(--spib-filter-active-fg);
}

.spib-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-left: auto;
}

.spib-btn,
.spib-more {
  padding: 0.25em 0.625em;
  border: 1px solid var(--spib-border);
  border-radius: var(--spib-radius);
  background: var(--spib-filter-bg);
  color: #111;
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
}

.spib-btn {
  cursor: pointer;
  white-space: nowrap;
}

.spib-btn.is-active {
  background: var(--spib-filter-active-bg);
  border-color: var(--spib-filter-active-bg);
  color: var(--spib-filter-active-fg);
  font-weight: inherit;
}

.spib-more {
  cursor: pointer;
  background: transparent;
  border-radius: 8px;
  padding: 0.65rem 0.9rem;
  border-color: color-mix(in srgb, currentColor 18%, transparent);
  color: inherit;
}

.spib-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0 0 0.85rem;
}

.spib-filter {
  appearance: none;
  margin: 0;
  padding: 0.25em 0.625em;
  border: 1px solid var(--spib-border);
  border-radius: var(--spib-radius);
  background: var(--spib-filter-bg);
  color: #111;
  font: inherit;
  font-size: 14px;
  line-height: 1.2;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.spib-filter:hover {
  border-color: #000;
}

.spib-filter.is-active {
  background: var(--spib-filter-active-bg);
  border-color: var(--spib-filter-active-bg);
  color: var(--spib-filter-active-fg);
}

.spib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: var(--spib-gap);
}

.spib-item {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  text-align: left;
  font: inherit;
  color: inherit;
  opacity: 0;
  will-change: opacity, transform;
  border-radius: 8px;
}

.spib-item:focus {
  outline: none;
}

.spib-item:focus img,
.spib-item.is-current img {
  outline: 3px solid currentColor;
  outline-offset: 3px;
}

.spib-item img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  background: color-mix(in srgb, currentColor 8%, transparent);
}

.spib-item figcaption {
  margin-top: 0.4rem;
  font-size: 0.85rem;
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.spib-empty,
.spib-status {
  margin: 1rem 0;
}

.spib-more-wrap {
  text-align: center;
  margin: 1.5rem 0 0;
}

.spib-lightbox {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.88);
  overflow: hidden;
}

.spib-lightbox[hidden] {
  display: none;
}

.spib-lightbox img {
  max-width: calc(100vw - 8rem);
  max-height: calc(100vh - 4rem);
  object-fit: contain;
  will-change: transform, opacity;
}

.spib-lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 2.5rem;
  height: 2.5rem;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}

.spib-lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 2.75rem;
  height: 2.75rem;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  z-index: 2;
}

.spib-lightbox-prev {
  left: 1rem;
}

.spib-lightbox-next {
  right: 1rem;
}

.spib-lightbox-nav:hover {
  background: rgba(255, 255, 255, 0.22);
}

@media (max-width: 640px) {
  .spib-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem;
  }

  .spib-item img {
    height: auto;
    aspect-ratio: 1;
  }

  .spib-item figcaption {
    font-size: 0.7rem;
  }

  .spib-lightbox-nav {
    width: 2.4rem;
    height: 2.4rem;
    font-size: 1.75rem;
  }

  .spib-lightbox-prev {
    left: 0.5rem;
  }

  .spib-lightbox-next {
    right: 0.5rem;
  }

  .spib-meta-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .spib-actions {
    margin-left: 0;
    width: 100%;
  }

  .spib-btn {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spib-item {
    opacity: 1;
    will-change: auto;
  }
}