/* Collections Page */

.collections-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  padding-top: 1.5rem;
  padding-bottom: 8rem;
}

.collections-header {
  text-align: center;
  margin-bottom: 0;
}

.collections-title {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--foreground);
  margin: 0 0 0.5rem 0;
  line-height: 1.2;
}

.collections-subtitle {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  margin: 0;
}

/* Filters Section */
.collections-filters {
  padding: 0;
  margin-top: -2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.filters-form {
  width: 100%;
}

.filters-header {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}

.filters-form {
  position: relative;
}

.filters-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--foreground);
  margin: 0;
}

.filters-toggle-btn {
  background: transparent;
  color: var(--muted-foreground);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filters-toggle-btn:hover {
  background: var(--muted);
  color: var(--foreground);
  border-color: var(--foreground);
}

.clear-filters-btn {
  position: absolute;
  top: 0;
  right: 0;
  background: transparent;
  color: var(--muted-foreground);
  border: none;
  border-radius: var(--radius-md);
  padding: 0.25rem;
  font-size: 1.125rem;
  font-weight: 400;
  cursor: pointer;
  transition: all var(--transition-fast);
  line-height: 1;
  width: 1.75rem;
  height: 1.75rem;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  z-index: 10;
}

.clear-filters-btn:hover {
  background: var(--muted);
  color: var(--foreground);
  transform: scale(1.1);
}

.filters-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0.5rem;
}

.filter-category-group {
  display: grid;
  grid-template-columns: minmax(90px, 110px) 1fr;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.375rem 0;
  width: 100%;
  border-top: 1px solid var(--border);
}

.filter-category-group:first-child {
  border-top: none;
  padding-top: 0;
}

.filter-category-group.collapsed {
  display: none;
}

/* Always show filters on show page */
.filters-always-visible .filter-category-group.collapsed {
  display: grid;
}

@media (max-width: 768px) {
  .filter-category-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    align-items: flex-start;
  }
  
  .category-label {
    text-align: left;
    justify-content: flex-start;
    padding-bottom: 0.0625rem;
    padding-top: 0;
    padding-left: 0.375rem; /* Match filter-option left padding on mobile */
  }
  
  .category-tags {
    gap: 0.0625rem 0.1875rem; /* Tighter vertical gap, maintain horizontal */
  }
}

.category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem 0.25rem; /* row-gap column-gap */
  align-items: center;
  line-height: 1.2;
}

.category-label {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  text-align: right;
  padding-top: 0;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
  line-height: 1.2;
  transition: all var(--transition-fast);
}

.filter-category-group.has-active-tag .category-label {
  color: var(--foreground);
  opacity: 1;
}

.filter-category-group.has-active-tag .category-emoji {
  opacity: 1;
  transform: scale(1.1);
}

.category-emoji {
  font-size: 0.9rem;
  line-height: 1;
  opacity: 0.8;
  transition: all var(--transition-fast);
}

.filter-group {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  align-items: center;
}

.filter-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--muted-foreground);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.filter-option {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.0625rem 0.1875rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  line-height: 1.2;
}

.filter-option.collapsed {
  display: none;
}

.filter-option:hover {
  color: var(--foreground);
  border-bottom-color: var(--border);
}

.filter-option.active {
  color: var(--foreground);
  font-weight: 600;
  border-bottom-color: var(--foreground);
}

.filter-option.active:hover {
  border-bottom-color: var(--foreground);
}

.filter-checkbox {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.filter-flag {
  font-size: 1.125rem;
  line-height: 1;
}

.filter-label {
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.filter-empty {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin: 0;
  font-style: italic;
}

.tweeters-section {
  margin-top: 2rem;
}

/* Tweeters Grid */
.tweeters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 2rem;
}

/* Pagination */
.pagination-wrapper {
  margin-top: 3rem;
  display: flex;
  justify-content: center;
}

/* Pagy native nav structure */
.pagination-wrapper .pagy {
  display: flex;
  gap: 0.25rem;
  align-items: center;
  font-size: 0.875rem;
  font-weight: 600;
}

.pagination-wrapper .pagy a {
  display: block;
  min-width: 2.5rem;
  padding: 0.5rem 0.75rem;
  text-align: center;
  text-decoration: none;
  border-radius: var(--radius-md);
  background: var(--card);
  color: var(--foreground);
  border: 1px solid var(--border);
  transition: all var(--transition-fast);
}

.pagination-wrapper .pagy a:hover:not(.gap) {
  background: var(--muted);
  border-color: var(--foreground);
}

.pagination-wrapper .pagy a:not([href]) {
  cursor: default;
  background: transparent;
  color: var(--muted-foreground);
  border: none;
}

.pagination-wrapper .pagy a.current {
  background: var(--foreground);
  color: white;
  font-weight: 700;
  border-color: var(--foreground);
  cursor: default;
}

/* Collection Show */
.collection-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  padding-top: 3rem;
  padding-bottom: 8rem;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.back-link:hover {
  color: var(--foreground);
  background: var(--muted);
}

/* Collection Header */
.collection-header {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}

.collection-header-content {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: center;
}

.collection-flag {
  display: inline-block;
  font-size: 1.125rem;
  line-height: 1;
  opacity: 0.7;
}

.collection-hashtags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.collection-autotags {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.autotag-category-group {
  display: grid;
  grid-template-columns: minmax(90px, 110px) 1fr;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.375rem 0;
  border-top: 1px solid var(--border);
}

.autotag-category-group:first-child {
  border-top: none;
  padding-top: 0;
}

.autotag-category-label {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--muted-foreground);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  text-align: right;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.375rem;
  line-height: 1.2;
}

.autotag-category-label .category-emoji {
  font-size: 0.9rem;
  opacity: 0.7;
}

.autotag-category-label .category-name {
  white-space: nowrap;
}

.autotag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.125rem 0.25rem; /* row-gap column-gap */
  align-items: center;
  line-height: 1.2;
}

.autotag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.125rem;
  padding: 0.0625rem 0.1875rem;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--muted-foreground);
  white-space: nowrap;
  line-height: 1.2;
}

.autotag-count,
.filter-count {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.6;
}

@media (max-width: 768px) {
  .autotag-category-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .autotag-category-label {
    text-align: left;
    justify-content: flex-start;
    padding-left: 0.375rem;
  }
  
  .autotag-list {
    gap: 0.0625rem 0.1875rem; /* Tighter vertical gap, maintain horizontal */
  }
  
  .autotag-item {
    padding: 0.1875rem 0.375rem;
  }
}

.hashtag-item {
  display: inline-block;
  padding: 0;
  background: transparent;
  border: none;
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--muted-foreground);
  transition: color var(--transition-fast);
}

.hashtag-item:hover {
  color: var(--foreground);
}

/* Photos Grid */
.photos-section {
  margin-top: 2rem;
}

.photos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 2rem;
}

/* Photo Carousel Modal */
.carousel-modal {
  position: fixed;
  inset: 0;
  z-index: 9999;
  transition: opacity var(--transition-normal);
}

.carousel-modal.hidden {
  display: none;
  opacity: 0;
  pointer-events: none;
}

.carousel-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem 2rem;
}

.carousel-image-wrapper {
  position: relative;
  max-width: 90vw;
  max-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-image {
  max-width: 100%;
  max-height: 85vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
  transition: opacity 0.2s ease;
  box-shadow: var(--shadow-lg);
}

.carousel-close {
  position: absolute;
  inset: 1.5rem 1.5rem auto auto;
  width: 3rem;
  height: 3rem;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
}

.carousel-action-btn {
  position: absolute;
  z-index: 10;
}

.carousel-like-btn {
  inset: auto 1.5rem 10rem auto;
}

.carousel-dislike-btn {
  inset: auto 1.5rem 6rem auto;
}

.carousel-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 3.5rem;
  height: 3.5rem;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  color: white;
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 10;
}

.carousel-prev {
  left: 2rem;
}

.carousel-next {
  right: 2rem;
}

.carousel-nav:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-50%) scale(1.1);
}

.carousel-counter {
  position: absolute;
  inset: auto auto 2rem 50%;
  transform: translateX(-50%);
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: var(--radius-full);
  color: white;
  font-size: 0.9375rem;
  font-weight: 500;
  z-index: 10;
  font-variant-numeric: tabular-nums;
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.empty-text {
  font-size: 1rem;
  color: var(--muted-foreground);
  margin: 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  .collections-content {
    gap: 2rem;
  }

  .tweeters-grid {
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 1.5rem;
  }

  .collections-filters {
    padding: 0;
    padding-bottom: 1rem;
  }

  .filters-header {
    gap: 0.5rem;
  }

  .filters-content {
    gap: 0;
  }

  .filter-group {
    flex-wrap: wrap;
  }

  .clear-filters-btn {
    font-size: 1rem;
    width: 1.5rem;
    height: 1.5rem;
  }

  .filter-options {
    gap: 0.1875rem;
  }

  .filter-option {
    padding: 0.1875rem 0.375rem;
    font-size: 0.8125rem;
  }

  .filter-option.flag-only {
    padding: 0.1875rem;
    min-width: 1.75rem;
  }

  .filter-option.flag-only .filter-flag {
    font-size: 1.125rem;
  }

  .filter-flag {
    font-size: 0.9375rem;
  }

  .pagination-wrapper {
    margin-top: 2.5rem;
    padding: 0 1rem;
  }
}

@media (max-width: 640px) {
  .collections-title {
    font-size: 1.875rem;
  }

  .tweeters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }

  .photos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
  }
}

@media (max-width: 480px) {
  .collections-title {
    font-size: 1.75rem;
  }

  .tweeters-grid {
    max-width: 100%;
    gap: 1.25rem;
  }

  .pagination-wrapper {
    margin-top: 2rem;
    padding: 0 0.5rem;
  }

  .pagination-wrapper .pagy {
    gap: 0.125rem;
    font-size: 0.75rem;
  }

  .pagination-wrapper .pagy a {
    min-width: 1.75rem;
    padding: 0.25rem 0.375rem;
  }

  .photos-grid {
    max-width: 100%;
    gap: 1.25rem;
  }

  .collection-flag {
    font-size: 1rem;
  }

  .hashtag-item {
    font-size: 0.8125rem;
  }
}

@media (max-width: 374px) {
  .pagination-wrapper .pagy a {
    min-width: 1.5rem;
    padding: 0.25rem 0.25rem;
    font-size: 0.6875rem;
  }

  .carousel-container {
    padding: 2.5rem 0.5rem 0.75rem;
  }

  .carousel-close {
    inset: 0.75rem 0.75rem auto auto;
    width: 2.5rem;
    height: 2.5rem;
  }

  .carousel-like-btn {
    inset: auto 0.75rem 7.5rem auto;
  }

  .carousel-dislike-btn {
    inset: auto 0.75rem 4.5rem auto;
  }

  .carousel-nav {
    width: 2.5rem;
    height: 2.5rem;
  }

  .carousel-prev {
    left: 0.5rem;
  }

  .carousel-next {
    right: 0.5rem;
  }

  .carousel-counter {
    inset: auto auto 1rem 50%;
    padding: 0.5rem 0.875rem;
    font-size: 0.8125rem;
  }

  .carousel-image-wrapper {
    max-height: 75vh;
    max-width: 95vw;
  }

  .carousel-image {
    max-height: 75vh;
  }
}

@media (max-width: 340px) {
  .tweeters-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .photos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .collections-title {
    font-size: 1.625rem;
  }
}