/* Category page specific styles */

/* Category layout */
.category-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: start;
    position: relative;
    transition: grid-template-columns 0.3s ease;
}

.category-layout.filters-open {
    grid-template-columns: 280px 1fr;
}

/* Sidebar filters */
.category-sidebar {
    position: sticky;
    top: 100px;
    display: none;
    opacity: 0;
    transform: translateX(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.category-layout.filters-open .category-sidebar {
    display: block;
    opacity: 1;
    transform: translateX(0);
}

.filters-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

/* Models header */
.models-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-200);
}

.models-header h2 {
    margin: 0;
    font-size: 1.75rem;
    color: var(--gray-900);
}

/* Filter toggle button */
.filter-toggle-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: transparent;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all 0.2s;
}

.filter-toggle-btn:hover {
    background: var(--gray-50);
    border-color: var(--gray-400);
    color: var(--gray-700);
}

.filter-toggle-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.filter-toggle-btn svg {
    width: 16px;
    height: 16px;
}

.filters-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.filters-header h3 {
    margin: 0;
    font-size: 1.125rem;
}

.filter-group {
    margin-bottom: 20px;
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
    font-size: 0.875rem;
}

.filter-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: white;
    font-size: 0.875rem;
    color: var(--gray-700);
    cursor: pointer;
    transition: border-color 0.2s;
}

.filter-select:hover {
    border-color: var(--gray-400);
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Main content */
.category-main {
    min-width: 0;
}

/* Category overview */
.category-overview {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.category-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 30px;
}

/* Stats grid */
.category-stats {
    margin-bottom: 30px;
}

.category-stats h3 {
    font-size: 1.25rem;
    margin-bottom: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-transform: capitalize;
}

/* Quick insights */
.quick-insights h3 {
    font-size: 1.25rem;
    margin-bottom: 15px;
}

.insights-list {
    list-style: none;
}

.insights-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--gray-700);
}

.insights-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 700;
}

/* Tier sections */
.tier-section {
    margin-bottom: 60px;
}

.tier-header {
    margin-bottom: 30px;
}

.tier-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.75rem;
    margin-bottom: 10px;
}

.tier-icon {
    font-size: 1.5rem;
}

.tier-description {
    color: var(--gray-600);
    font-size: 1rem;
}

/* Models grid */
.models-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
}

/* Model card */
.model-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    border: 2px solid transparent;
}

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

.model-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.model-name {
    font-size: 1.25rem;
    margin-bottom: 4px;
}

.model-provider {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* Value badges */
.value-badge {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.value-badge.value-excellent {
    background: #d1fae5;
    color: #065f46;
}

.value-badge.value-good {
    background: #dbeafe;
    color: #1e40af;
}

.value-badge.value-fair {
    background: #fef3c7;
    color: #92400e;
}

.value-badge.value-poor {
    background: #fee2e2;
    color: #991b1b;
}

/* Pricing info */
.model-pricing {
    margin-bottom: 20px;
    padding: 12px;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.pricing-info {
    font-size: 0.875rem;
    color: var(--gray-700);
}

.pricing-info strong {
    color: var(--gray-800);
}

/* Features */
.model-features {
    flex: 1;
}

.feature-section {
    margin-bottom: 16px;
}

.feature-section h4 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.feature-list {
    list-style: none;
    font-size: 0.875rem;
}

.feature-list li {
    position: relative;
    padding-left: 20px;
    margin-bottom: 6px;
    color: var(--gray-600);
}

.feature-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
}

.feature-list.limitations li::before {
    color: var(--warning-color);
}

.best-for {
    margin-top: 16px;
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* Model stats */
.model-stats {
    display: flex;
    justify-content: space-around;
    gap: 12px;
    margin: 16px 0;
    padding: 12px 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.model-stats .stat {
    text-align: center;
    flex: 1;
}

.model-stats .stat-value {
    display: block;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 4px;
}

.model-stats .stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
}

/* Model actions */
.model-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
}

.model-actions .btn {
    flex: 1;
    justify-content: center;
}

/* Responsive design */
@media (max-width: 1024px) {
    .category-layout {
        grid-template-columns: 1fr;
    }
    
    .category-layout.filters-open {
        grid-template-columns: 1fr;
    }
    
    .category-sidebar {
        position: static;
        margin-bottom: 30px;
        display: none;
    }
    
    .category-layout.filters-open .category-sidebar {
        display: block;
    }
    
    .filters-container {
        display: block;
    }
    
    .filter-group {
        margin-bottom: 20px;
    }
}

@media (max-width: 768px) {
    .category-overview {
        padding: 24px;
    }
    
    .models-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .models-header h2 {
        font-size: 1.5rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .tier-title {
        font-size: 1.5rem;
    }
    
    .model-card {
        padding: 20px;
    }
    
    .model-actions {
        flex-direction: column;
    }
    
    .model-actions .btn {
        width: 100%;
    }
}

/* Chart styles */
.chart-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 30px;
    box-shadow: var(--shadow);
}

.chart-container h3 {
    margin-bottom: 20px;
    color: var(--gray-900);
    text-align: center;
}

.chart-wrapper {
    position: relative;
    height: 400px;
    margin-bottom: 20px;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.chart-description {
    text-align: center;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin: 0;
    font-style: italic;
}

/* Chart mobile optimizations */
@media (max-width: 768px) {
    .chart-wrapper {
        height: 300px;
    }
    
    .chart-legend {
        gap: 15px;
    }
    
    .legend-item {
        font-size: 0.8rem;
    }
}

/* No results state */
.no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-500);
}

.no-results h3 {
    color: var(--gray-700);
    margin-bottom: 10px;
}

/* Loading state */
.models-loading {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    color: var(--gray-500);
}

/* Category summary section */
.category-summary {
    background: white;
    border-radius: var(--radius-lg);
    padding: 40px;
    margin-top: 60px;
    box-shadow: var(--shadow);
    border-top: 4px solid var(--primary-color);
}

.category-summary h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--gray-900);
    font-size: 1.75rem;
}

.summary-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.summary-section h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-section p {
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 0;
}

.summary-section strong {
    color: var(--gray-900);
}

.insights-list,
.recommendations-list {
    list-style: none;
    padding-left: 0;
}

.insights-list li,
.recommendations-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    color: var(--gray-700);
    line-height: 1.6;
}

.insights-list li::before {
    content: '💡';
    position: absolute;
    left: 0;
    top: 0;
}

.recommendations-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--secondary-color);
    font-weight: bold;
}

@media (max-width: 768px) {
    .category-summary {
        padding: 24px;
        margin-top: 40px;
    }
    
    .summary-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .category-summary h2 {
        font-size: 1.5rem;
    }
}

/* Ad container styles */
.ad-container {
    text-align: center;
    margin: 40px 0;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 10px;
}

.ad-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}