/* Thumbnail Rail - Bottom of Showcase */

.thumbnail-rail {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--lora-surface);
  border-top: 1px solid var(--lora-border);
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--lora-border) transparent;
}

.thumbnail-rail::-webkit-scrollbar {
  height: 6px;
}

.thumbnail-rail::-webkit-scrollbar-track {
  background: transparent;
}

.thumbnail-rail::-webkit-scrollbar-thumb {
  background-color: var(--lora-border);
  border-radius: 3px;
}

/* Thumbnail item */
.thumbnail-rail__item {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: var(--border-radius-xs);
  overflow: hidden;
  cursor: pointer;
  position: relative;
  border: 2px solid transparent;
  transition: border-color 0.2s ease, transform 0.2s ease;
  background: var(--bg-color);
}

.thumbnail-rail__item:hover {
  border-color: var(--lora-border);
  transform: translateY(-2px);
}

.thumbnail-rail__item.active {
  border-color: var(--lora-accent);
  box-shadow: 0 0 0 2px oklch(var(--lora-accent-l) var(--lora-accent-c) var(--lora-accent-h) / 0.3);
}

.thumbnail-rail__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* NSFW blur for thumbnails - BEM naming to avoid conflicts with global .nsfw-blur */
.thumbnail-rail__item--nsfw-blurred img {
  filter: blur(8px);
}

/* Legacy support for old class names (deprecated) */
.thumbnail-rail__item.nsfw img {
  filter: blur(8px);
}

.thumbnail-rail__nsfw-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(0, 0, 0, 0.7);
  color: white;
  font-size: 0.65em;
  padding: 2px 6px;
  border-radius: var(--border-radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  pointer-events: none;
  user-select: none;
}

/* Add button */
.thumbnail-rail__add {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: var(--bg-color);
  border: 2px dashed var(--lora-border);
  border-radius: var(--border-radius-xs);
  color: var(--text-color);
  opacity: 0.7;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.75em;
}

.thumbnail-rail__add:hover {
  border-color: var(--lora-accent);
  color: var(--lora-accent);
  opacity: 1;
  background: oklch(var(--lora-accent-l) var(--lora-accent-c) var(--lora-accent-h) / 0.05);
}

.thumbnail-rail__add i {
  font-size: 1.2rem;
}

/* Upload area (inline expansion) */
.thumbnail-rail__upload {
  display: none;
  position: absolute;
  bottom: 100%;
  left: 0;
  right: 0;
  padding: var(--space-3);
  background: var(--lora-surface);
  border-top: 1px solid var(--lora-border);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
  z-index: 7;
}

.thumbnail-rail__upload.visible {
  display: block;
}

/* Mobile adjustments */
@media (max-width: 768px) {
  .thumbnail-rail {
    padding: var(--space-2);
    gap: var(--space-1);
  }
  
  .thumbnail-rail__item,
  .thumbnail-rail__add {
    width: 56px;
    height: 56px;
  }
}