/**
 * Faceted Search CSS Styles (Enhanced for Left Sidebar)
 *
 * Styles for facet sidebar and filtering UI components
 */


/* Corpus Distribution */
.corpus-distribution {
    margin-bottom: 16px;
    padding: 14px;
    background: #ffffff;
    border: 1px solid #dbe4f0;
    border-radius: 8px;
}

.corpus-distribution-title {
    font-size: 13px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
}

.distribution-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-top: 8px;
}

.distribution-label {
    font-size: 11px;
    font-weight: 700;
    color: #64748b;
    text-transform: uppercase;
}

.distribution-chip {
    display: flex;
    justify-content: space-between;
    gap: 8px;
    padding: 5px 8px;
    background: #f1f5f9;
    border-radius: 6px;
    color: #334155;
    font-size: 12px;
}

.distribution-chip span {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.distribution-chip strong {
    color: #2563eb;
    font-size: 11px;
}

/* Facet Groups */
.facet-group {
    margin-bottom: 16px;
    padding: 12px;
    background: #ffffff;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
    transition: all 0.2s ease;
}

.facet-group:hover {
    border-color: #cbd5e1;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.facet-group.collapsed .facet-values,
.facet-group.collapsed .show-more-btn {
    display: none;
}

.facet-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin: 0;
    padding-bottom: 0;
    border-bottom: none;
    cursor: pointer;
    user-select: none;
}

.facet-header:hover {
    color: #2563eb;
}

.facet-title {
    display: flex;
    align-items: center;
    gap: 6px;
    min-width: 0;
}

.facet-summary {
    margin-left: auto;
    margin-right: 8px;
    padding: 2px 6px;
    border-radius: 999px;
    background: #eff6ff;
    color: #2563eb;
    font-size: 10px;
    font-weight: 700;
}

.facet-toggle {
    font-size: 10px;
    color: #94a3b8;
    transition: transform 0.2s;
}

.facet-group:not(.collapsed) .facet-header {
    margin-bottom: 10px;
    padding-bottom: 8px;
    border-bottom: 1px solid #e2e8f0;
}

.facet-quality-note {
    margin-bottom: 8px;
    color: #64748b;
    font-size: 11px;
    line-height: 1.4;
}

.facet-group.collapsed .facet-quality-note {
    display: none;
}

.facet-values {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 240px;
    overflow-y: auto;
}

/* Custom scrollbar for facet values */
.facet-values::-webkit-scrollbar {
    width: 5px;
}

.facet-values::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 3px;
}

.facet-values::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}

.facet-values::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Facet Labels */
.facet-label {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s ease;
    user-select: none;
}

.facet-label:hover {
    background-color: #f1f5f9;
}

.facet-label input[type="checkbox"] {
    width: 15px;
    height: 15px;
    cursor: pointer;
    accent-color: #2563eb;
    flex-shrink: 0;
}

.facet-text {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: #475569;
    line-height: 1.4;
}

.facet-value-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.facet-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 22px;
    height: 18px;
    padding: 0 5px;
    margin-left: 6px;
    background: #e2e8f0;
    color: #64748b;
    border-radius: 9px;
    font-size: 10px;
    font-weight: 600;
    flex-shrink: 0;
}

.facet-label input[type="checkbox"]:checked + .facet-text {
    font-weight: 600;
    color: #2563eb;
}

.facet-label input[type="checkbox"]:checked + .facet-text .facet-count {
    background: #dbeafe;
    color: #2563eb;
}

/* Show More Button */
.show-more-btn {
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 12px;
    color: #0d6efd;
    background: none;
    border: 1px solid #0d6efd;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
}

.show-more-btn:hover {
    background-color: #0d6efd;
    color: white;
}

/* Active Filters Display */
.active-filters {
    margin-bottom: 15px;
    padding: 12px;
    background: #e7f3ff;
    border: 1px solid #b6d4fe;
    border-radius: 6px;
}

.active-filters-header {
    font-size: 13px;
    font-weight: 600;
    color: #084298;
    margin-bottom: 8px;
}

.filter-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: #0d6efd;
    color: white;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.filter-tag-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    margin-left: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    transition: background-color 0.2s;
}

.filter-tag-remove:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* Results Info */
.results-info {
    margin-bottom: 15px;
    padding: 10px 15px;
    background: #d1e7dd;
    border: 1px solid #badbcc;
    border-radius: 6px;
    font-size: 14px;
    color: #0f5132;
    font-weight: 500;
}

/* Filter Panel Enhancements */
.filter-panel {
    padding: 20px;
    background: white;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    margin-top: 15px;
}

.filter-panel h3 {
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 18px;
    color: #212529;
}

/* Filter Actions */
.filter-actions {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 2px solid #dee2e6;
    display: flex;
    gap: 10px;
}

.filter-btn {
    flex: 1;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn-apply {
    background-color: #0d6efd;
    color: white;
}

.filter-btn-apply:hover {
    background-color: #0b5ed7;
}

.filter-btn-clear {
    background-color: #6c757d;
    color: white;
}

.filter-btn-clear:hover {
    background-color: #5c636a;
}

/* Filter Toggle Button */
.filter-toggle {
    margin-top: 10px;
}

.filter-toggle-btn {
    width: 100%;
    padding: 10px;
    font-size: 14px;
    font-weight: 500;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-toggle-btn:hover {
    background: #e9ecef;
}

/* Loading Indicator */
.loading {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.spinner {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #0d6efd;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading p {
    margin-top: 15px;
    color: white;
    font-size: 16px;
    font-weight: 500;
}

/* Responsive Design */
@media (max-width: 768px) {
    .filter-panel {
        padding: 15px;
    }

    .facet-group {
        padding: 10px;
    }

    .facet-values {
        max-height: 200px;
    }

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

    .filter-btn {
        width: 100%;
    }

    .filter-tags {
        flex-direction: column;
    }

    .filter-tag {
        justify-content: space-between;
    }
}

/* Accessibility */
.facet-label:focus-within {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

.show-more-btn:focus,
.filter-btn:focus,
.filter-toggle-btn:focus {
    outline: 2px solid #0d6efd;
    outline-offset: 2px;
}

/* Animation for facet appearance */
.facet-group {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Empty state */
.no-facets,
.facet-empty {
    padding: 20px;
    text-align: center;
    color: #64748b;
    font-style: italic;
    font-size: 13px;
}

/* Error state */
.facet-error {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    color: #dc2626;
    font-size: 13px;
    text-align: center;
}

.facet-error .error-icon {
    font-size: 18px;
}

/* Show more button enhanced */
.show-more-btn {
    margin-top: 8px;
    padding: 6px 12px;
    font-size: 11px;
    color: #2563eb;
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    font-weight: 500;
}

.show-more-btn:hover {
    background: #dbeafe;
    border-color: #93c5fd;
}