/* ==========================================================================
   Advanced Search Filter – Frontend Styles
   ========================================================================== */

/* CSS Variables */
:root {
  --asf-primary:     #2563eb;
  --asf-hover:       #1d4ed8;
  --asf-border:      #e5e7eb;
  --asf-card-bg:     #ffffff;
  --asf-text:        #111827;
  --asf-muted:       #6b7280;
  --asf-radius:      8px;
  --asf-font-size:   14px;
  --asf-shadow:      0 1px 3px rgba(0,0,0,.12), 0 1px 2px rgba(0,0,0,.08);
  --asf-shadow-lg:   0 10px 15px -3px rgba(0,0,0,.10), 0 4px 6px -2px rgba(0,0,0,.05);
  --asf-transition:  0.2s ease;
  --asf-bg-light:    #f9fafb;
}

/* Dark mode */
.asf-dark {
  --asf-card-bg: #1f2937;
  --asf-text:    #f9fafb;
  --asf-muted:   #9ca3af;
  --asf-border:  #374151;
  --asf-bg-light:#111827;
}

/* ==========================================================================
   Filter Wrapper
   ========================================================================== */
.asf-filter-wrap {
  background: var(--asf-card-bg);
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  padding: 20px;
  font-size: var(--asf-font-size);
  color: var(--asf-text);
  box-sizing: border-box;
}

/* Bare mode: no box — fits inside existing page layouts without breaking them */
.asf-filter-wrap.asf-bare {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  box-shadow: none !important;
}
.asf-filter-wrap.asf-bare .asf-filter-header {
  display: none;
}
.asf-filter-wrap.asf-bare .asf-field {
  margin-bottom: 16px;
}
.asf-filter-wrap.asf-bare .asf-filter-actions {
  margin-top: 8px;
}
.asf-filter-wrap.asf-bare .asf-btn-primary {
  width: 100%;
  justify-content: center;
}

.asf-filter-wrap.asf-shadow {
  box-shadow: var(--asf-shadow);
}

.asf-filter-wrap.asf-sticky {
  position: sticky;
  top: 24px;
}

/* Multi-column layout */
.asf-filter-wrap.asf-cols-2 .asf-filter-form {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.asf-filter-wrap.asf-cols-2 .asf-field { width: calc(50% - 6px); }
.asf-filter-wrap.asf-cols-3 .asf-filter-form { display: flex; flex-wrap: wrap; gap: 12px; }
.asf-filter-wrap.asf-cols-3 .asf-field { width: calc(33.333% - 8px); }

.asf-filter-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--asf-border);
}

.asf-filter-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  color: var(--asf-text);
  display: flex;
  align-items: center;
  gap: 8px;
}

.asf-filter-title .dashicons { font-size: 18px; color: var(--asf-primary); }

.asf-reset-all {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--asf-muted);
  font-size: 13px;
  padding: 4px 8px;
  border-radius: 4px;
  text-decoration: underline;
  transition: color var(--asf-transition);
}
.asf-reset-all:hover { color: var(--asf-primary); }

/* ==========================================================================
   Field Styles
   ========================================================================== */
.asf-field {
  margin-bottom: 16px;
  box-sizing: border-box;
}

.asf-field-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--asf-text);
}

.asf-required {
  color: #ef4444;
}

/* Collapsible toggle */
.asf-field-toggle {
  width: 100%;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  padding: 8px 0;
  color: var(--asf-text);
  border-bottom: 1px solid var(--asf-border);
  margin-bottom: 8px;
}
.asf-field-toggle .asf-toggle-arrow {
  transition: transform var(--asf-transition);
}
.asf-field-toggle.collapsed .asf-toggle-arrow {
  transform: rotate(-90deg);
}
.asf-field-body { display: block; }
.asf-field-body.collapsed { display: none; }

/* Inputs */
.asf-input,
.asf-select {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  font-size: var(--asf-font-size);
  color: var(--asf-text);
  background: var(--asf-card-bg);
  transition: border-color var(--asf-transition), box-shadow var(--asf-transition);
  box-sizing: border-box;
  appearance: auto;
}

.asf-input:focus,
.asf-select:focus {
  border-color: var(--asf-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
  outline: none;
}

/* Select2 overrides */
.asf-filter-wrap .select2-container { width: 100% !important; }
.asf-filter-wrap .select2-selection--single,
.asf-filter-wrap .select2-selection--multiple {
  border-color: var(--asf-border) !important;
  border-radius: var(--asf-radius) !important;
  min-height: 38px !important;
  font-size: var(--asf-font-size);
}
.asf-filter-wrap .select2-selection--single .select2-selection__rendered {
  line-height: 36px !important;
  padding-left: 12px !important;
}
.asf-filter-wrap .select2-selection--single .select2-selection__arrow {
  height: 36px !important;
}
.select2-dropdown { border-color: var(--asf-border) !important; border-radius: var(--asf-radius) !important; }
.select2-results__option--highlighted { background: var(--asf-primary) !important; }

/* Checkbox list */
.asf-checkbox-list,
.asf-radio-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 200px;
  overflow-y: auto;
  padding-right: 4px;
}

.asf-checkbox-item,
.asf-radio-item {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  padding: 4px 0;
  font-size: var(--asf-font-size);
}

.asf-checkbox-item input[type="checkbox"],
.asf-radio-item input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.asf-checkbox-mark,
.asf-radio-mark {
  width: 18px;
  height: 18px;
  border: 2px solid var(--asf-border);
  border-radius: 4px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--asf-transition);
  background: var(--asf-card-bg);
}

.asf-radio-mark { border-radius: 50%; }

.asf-checkbox-item input:checked ~ .asf-checkbox-mark,
.asf-radio-item input:checked ~ .asf-radio-mark {
  background: var(--asf-primary);
  border-color: var(--asf-primary);
}

.asf-checkbox-item input:checked ~ .asf-checkbox-mark::after {
  content: '';
  width: 5px;
  height: 9px;
  border: 2px solid #fff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg) translateY(-1px);
  display: block;
}

.asf-radio-item input:checked ~ .asf-radio-mark::after {
  content: '';
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  display: block;
}

.asf-count {
  color: var(--asf-muted);
  font-size: 12px;
  margin-left: auto;
}

/* Search input */
.asf-search-input-wrap {
  position: relative;
}

.asf-search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--asf-muted);
  display: flex;
  pointer-events: none;
}

.asf-search-input {
  padding-left: 34px !important;
}

/* Autocomplete dropdown */
.asf-autocomplete-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--asf-card-bg);
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  z-index: 9999;
  list-style: none;
  margin: 4px 0 0;
  padding: 4px;
  box-shadow: var(--asf-shadow-lg);
  max-height: 220px;
  overflow-y: auto;
  display: none;
}
.asf-autocomplete-dropdown li {
  padding: 8px 12px;
  cursor: pointer;
  border-radius: 4px;
  font-size: var(--asf-font-size);
  transition: background var(--asf-transition);
}
.asf-autocomplete-dropdown li:hover,
.asf-autocomplete-dropdown li.active {
  background: var(--asf-bg-light);
  color: var(--asf-primary);
}
.asf-autocomplete-dropdown.open { display: block; }

/* Range slider */
.asf-range-slider {
  margin: 12px 4px;
}
.asf-range-display {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  font-size: 13px;
  color: var(--asf-muted);
  margin-top: 8px;
}
.asf-range-from,
.asf-range-to {
  font-weight: 600;
  color: var(--asf-text);
  min-width: 60px;
  text-align: center;
}

/* noUiSlider overrides */
.noUi-connect { background: var(--asf-primary) !important; }
.noUi-handle { border-color: var(--asf-primary) !important; }
.noUi-handle:before, .noUi-handle:after { background: var(--asf-primary) !important; }

/* Tags input */
.asf-tags-wrap { width: 100%; }
.asf-tags-input-area {
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  padding: 6px 8px;
  min-height: 38px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  cursor: text;
  background: var(--asf-card-bg);
  transition: border-color var(--asf-transition);
}
.asf-tags-input-area:focus-within { border-color: var(--asf-primary); }
.asf-tags-chips { display: flex; flex-wrap: wrap; gap: 4px; }
.asf-tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #dbeafe;
  color: #1e40af;
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  font-weight: 500;
}
.asf-tag-chip button {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  padding: 0;
  font-size: 14px;
  line-height: 1;
  opacity: .7;
}
.asf-tag-chip button:hover { opacity: 1; }
.asf-tags-text-input {
  border: none;
  outline: none;
  font-size: var(--asf-font-size);
  min-width: 100px;
  flex: 1;
  background: transparent;
  color: var(--asf-text);
}

/* Datepicker input */
.asf-datepicker { cursor: pointer; }

/* ==========================================================================
   Filter Action Buttons
   ========================================================================== */
.asf-filter-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--asf-border);
}

.asf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--asf-radius);
  font-size: var(--asf-font-size);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--asf-transition);
  border: 2px solid transparent;
  text-decoration: none;
}

.asf-btn-primary {
  background: var(--asf-primary);
  color: #fff;
  border-color: var(--asf-primary);
  flex: 1;
}
.asf-btn-primary:hover { background: var(--asf-hover); border-color: var(--asf-hover); }

.asf-btn-outline {
  background: transparent;
  color: var(--asf-muted);
  border-color: var(--asf-border);
}
.asf-btn-outline:hover {
  background: var(--asf-bg-light);
  color: var(--asf-text);
}

.asf-btn-link {
  background: none;
  border: none;
  color: var(--asf-muted);
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
  font-size: 13px;
}
.asf-btn-link:hover { color: var(--asf-primary); }

/* ==========================================================================
   Results Container
   ========================================================================== */
.asf-results-wrap {
  position: relative;
}

.asf-results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}

.asf-results-count {
  font-size: 14px;
  color: var(--asf-muted);
  font-weight: 500;
}

.asf-results-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.asf-view-toggle {
  display: flex;
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  overflow: hidden;
}

.asf-view-btn {
  padding: 7px 10px;
  background: var(--asf-card-bg);
  border: none;
  cursor: pointer;
  color: var(--asf-muted);
  display: flex;
  align-items: center;
  transition: all var(--asf-transition);
}
.asf-view-btn.active,
.asf-view-btn:hover {
  background: var(--asf-primary);
  color: #fff;
}

.asf-orderby {
  padding: 7px 10px;
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  font-size: 13px;
  background: var(--asf-card-bg);
  color: var(--asf-text);
}

/* ==========================================================================
   Result Cards – Grid
   ========================================================================== */
.asf-results-inner.asf-view-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.asf-results-inner.asf-view-list .asf-result-card {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 0;
}

.asf-results-inner.asf-view-list .asf-card-image {
  height: 100%;
  min-height: 160px;
  border-radius: var(--asf-radius) 0 0 var(--asf-radius);
}

.asf-results-inner.asf-view-list .asf-card-image img {
  border-radius: var(--asf-radius) 0 0 var(--asf-radius);
}

.asf-results-inner.asf-view-masonry {
  columns: 3;
  column-gap: 24px;
}
.asf-results-inner.asf-view-masonry .asf-result-card {
  break-inside: avoid;
  margin-bottom: 24px;
}

/* Result Card */
.asf-result-card {
  background: var(--asf-card-bg);
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  overflow: hidden;
  box-shadow: var(--asf-shadow);
  transition: transform var(--asf-transition), box-shadow var(--asf-transition);
  display: flex;
  flex-direction: column;
}

.asf-result-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--asf-shadow-lg);
}

.asf-card-image {
  width: 100%;
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--asf-bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
}

.asf-card-image img.asf-thumbnail {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}
.asf-result-card:hover .asf-thumbnail { transform: scale(1.04); }

.asf-no-image { color: var(--asf-border); }

.asf-card-content {
  padding: 16px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.asf-card-cats {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.asf-cat-badge {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--asf-primary);
  background: #dbeafe;
  border-radius: 4px;
  padding: 2px 8px;
  text-decoration: none;
  transition: background var(--asf-transition);
}
.asf-cat-badge:hover { background: #bfdbfe; }

.asf-card-title {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  line-height: 1.4;
}

.asf-card-title a {
  text-decoration: none;
  color: var(--asf-text);
  transition: color var(--asf-transition);
}
.asf-card-title a:hover { color: var(--asf-primary); }

.asf-card-meta {
  display: flex;
  gap: 12px;
  font-size: 12px;
  color: var(--asf-muted);
  flex-wrap: wrap;
}

.asf-meta-author,
.asf-meta-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.asf-card-excerpt {
  font-size: 13px;
  color: var(--asf-muted);
  line-height: 1.6;
  flex: 1;
}

.asf-card-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.asf-tag-badge {
  font-size: 11px;
  color: var(--asf-muted);
  background: var(--asf-bg-light);
  border-radius: 4px;
  padding: 2px 8px;
  text-decoration: none;
  border: 1px solid var(--asf-border);
  transition: all var(--asf-transition);
}
.asf-tag-badge:hover { border-color: var(--asf-primary); color: var(--asf-primary); }

.asf-card-footer {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--asf-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.asf-read-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--asf-primary);
  text-decoration: none;
  transition: gap var(--asf-transition);
}
.asf-read-more:hover { gap: 10px; }

/* ==========================================================================
   Loading / Skeleton
   ========================================================================== */
.asf-loading-overlay {
  display: none;
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.85);
  z-index: 10;
}
.asf-loading-overlay.active { display: flex; }

.asf-skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  width: 100%;
  padding: 4px;
}

.asf-skeleton-card {
  border-radius: var(--asf-radius);
  overflow: hidden;
  background: var(--asf-card-bg);
  border: 1px solid var(--asf-border);
}

.asf-skeleton {
  background: linear-gradient(90deg, #f3f4f6 25%, #e5e7eb 50%, #f3f4f6 75%);
  background-size: 200% 100%;
  animation: asf-shimmer 1.5s infinite;
  border-radius: 4px;
}

.asf-skeleton-img  { height: 180px; border-radius: 0; margin-bottom: 16px; }
.asf-skeleton-title{ height: 20px;  margin: 0 16px 10px; }
.asf-skeleton-text { height: 14px;  margin: 0 16px 8px; }
.asf-skeleton-text.short { width: 60%; }

@keyframes asf-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* Global loading spinner */
.asf-results.is-loading { opacity: .4; pointer-events: none; }

/* ==========================================================================
   No Results
   ========================================================================== */
.asf-no-results {
  text-align: center;
  padding: 60px 24px;
  color: var(--asf-muted);
}
.asf-no-results-icon { font-size: 48px; margin-bottom: 12px; }
.asf-no-results p { font-size: 16px; }

/* ==========================================================================
   Pagination
   ========================================================================== */
.asf-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.asf-btn-page {
  padding: 8px 18px;
  border: 1px solid var(--asf-border);
  border-radius: var(--asf-radius);
  background: var(--asf-card-bg);
  cursor: pointer;
  font-size: 14px;
  color: var(--asf-text);
  transition: all var(--asf-transition);
}
.asf-btn-page:hover:not(:disabled) {
  background: var(--asf-primary);
  color: #fff;
  border-color: var(--asf-primary);
}
.asf-btn-page:disabled { opacity: .4; cursor: not-allowed; }

.asf-page-info { font-size: 14px; color: var(--asf-muted); }

/* Load more */
.asf-load-more-wrap {
  text-align: center;
  margin-top: 32px;
}
.asf-load-more {
  padding: 12px 32px;
  background: transparent;
  color: var(--asf-primary);
  border: 2px solid var(--asf-primary);
  border-radius: var(--asf-radius);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--asf-transition);
}
.asf-load-more:hover {
  background: var(--asf-primary);
  color: #fff;
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
  .asf-filter-wrap.asf-cols-2 .asf-field,
  .asf-filter-wrap.asf-cols-3 .asf-field {
    width: 100%;
  }

  .asf-results-inner.asf-view-grid {
    grid-template-columns: 1fr 1fr;
  }

  .asf-results-inner.asf-view-list .asf-result-card {
    grid-template-columns: 1fr;
  }

  .asf-results-inner.asf-view-masonry {
    columns: 2;
  }
}

@media (max-width: 480px) {
  .asf-results-inner.asf-view-grid,
  .asf-results-inner.asf-view-masonry {
    grid-template-columns: 1fr;
    columns: 1;
  }

  .asf-results-header { flex-direction: column; align-items: flex-start; }

  .asf-filter-actions { flex-direction: column; }
}