/* ==========================================================================
   AiHub.sol - Directory, Filters & Search Interface
   ========================================================================== */

.directory-page {
  padding: 3rem 0 5rem;
}

.directory-header {
  margin-bottom: 2.5rem;
}

.directory-header h1 {
  font-size: 2.25rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.directory-header p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Directory Layout */
.directory-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 2rem;
  align-items: flex-start;
}

/* Sidebar Filters */
.directory-sidebar {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
  position: sticky;
  top: 90px;
}

.filter-group-title {
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.filter-options-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  list-style: none;
}

.filter-option-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.35rem 0.5rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.filter-option-item:hover {
  background-color: var(--bg-surface-hover);
  color: #ffffff;
}

.filter-option-item.active {
  background-color: var(--accent-orange-subtle);
  color: var(--accent-orange);
  font-weight: 600;
}

.filter-badge-count {
  font-size: 0.75rem;
  background-color: var(--bg-input);
  padding: 0.1rem 0.4rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

.filter-checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.filter-checkbox-label input[type="checkbox"] {
  accent-color: var(--accent-orange);
  width: 16px;
  height: 16px;
}

.clear-filters-btn {
  background: transparent;
  border: 1px dashed var(--border-medium);
  color: var(--text-muted);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
}

.clear-filters-btn:hover {
  border-color: var(--accent-orange);
  color: var(--accent-orange);
}

/* Directory Main Content */
.directory-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Directory Toolbar */
.directory-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  flex-wrap: wrap;
}

.search-field-wrap {
  position: relative;
  flex: 1;
  min-width: 240px;
}

.search-field-input {
  width: 100%;
  padding: 0.55rem 1rem 0.55rem 2.25rem;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.875rem;
  font-family: var(--font-sans);
}

.search-field-input:focus {
  outline: none;
  border-color: var(--accent-orange);
}

.search-field-icon {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.toolbar-sort-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.sort-select {
  background-color: var(--bg-input);
  color: #ffffff;
  border: 1px solid var(--border-subtle);
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  cursor: pointer;
}

.sort-select:focus {
  outline: none;
  border-color: var(--accent-orange);
}

.results-count-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Empty State */
.empty-directory-state {
  text-align: center;
  padding: 4rem 2rem;
  background-color: var(--bg-surface);
  border: 1px dashed var(--border-medium);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.empty-directory-icon {
  font-size: 2.5rem;
}

.empty-directory-state h3 {
  font-size: 1.25rem;
  color: #ffffff;
}

.empty-directory-state p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  max-width: 400px;
}

/* Pagination */
.pagination-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 2rem;
}

.page-btn {
  min-width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent-orange);
  color: #ffffff;
}

.page-btn.active {
  background-color: var(--accent-orange);
  color: #ffffff;
  border-color: var(--accent-orange);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}