/* ============================================
   RankBoost Learning Hub - Category Page Styles
   Version: 1.0
   Prefix: lea-
   ============================================ */

/* ============================================
   Category Page Layout
   ============================================ */
.lea-category-page {
    padding: var(--lea-spacing-3xl) 0;
    background: var(--lea-light);
}

.lea-category-header {
    text-align: center;
    margin-bottom: var(--lea-spacing-3xl);
    padding: var(--lea-spacing-2xl) var(--lea-spacing-xl);
    background: var(--lea-white);
    border-radius: var(--lea-radius-xl);
    box-shadow: var(--lea-shadow-md);
}

.lea-category-icon {
    width: 80px;
    height: 80px;
    background: var(--lea-primary-gradient);
    border-radius: var(--lea-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--lea-spacing-lg);
}

.lea-category-icon i {
    font-size: 2.5rem;
    color: var(--lea-white);
}

.lea-category-header h1 {
    font-size: 2.5rem;
    margin-bottom: var(--lea-spacing-md);
    color: var(--lea-dark);
}

.lea-category-description {
    font-size: 1.125rem;
    color: var(--lea-gray-600);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.lea-category-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--lea-spacing-2xl);
}

/* ============================================
   Articles Section
   ============================================ */
.lea-articles-section {
    margin-bottom: var(--lea-spacing-3xl);
}

.lea-articles-section h2 {
    font-size: 1.75rem;
    margin-bottom: var(--lea-spacing-xl);
    padding-bottom: var(--lea-spacing-sm);
    border-bottom: 2px solid var(--lea-primary);
    display: inline-block;
}

.lea-articles-grid {
    display: flex;
    flex-direction: column;
    gap: var(--lea-spacing-lg);
}

.lea-article-list-item {
    display: flex;
    gap: var(--lea-spacing-lg);
    padding: var(--lea-spacing-xl);
    background: var(--lea-white);
    border-radius: var(--lea-radius-lg);
    box-shadow: var(--lea-shadow-sm);
    transition: all var(--lea-transition-base);
    border: 1px solid var(--lea-gray-200);
}

.lea-article-list-item:hover {
    transform: translateX(4px);
    box-shadow: var(--lea-shadow-md);
    border-color: var(--lea-primary-light);
}

.lea-article-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--lea-gray-100);
    border-radius: var(--lea-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lea-article-icon i {
    font-size: 1.75rem;
    color: var(--lea-primary);
}

.lea-article-info {
    flex: 1;
}

.lea-article-info h3 {
    font-size: 1.25rem;
    margin-bottom: var(--lea-spacing-sm);
    margin-top: 0;
}

.lea-article-info h3 a {
    color: var(--lea-dark);
    transition: color var(--lea-transition-fast);
}

.lea-article-info h3 a:hover {
    color: var(--lea-primary);
}

.lea-article-excerpt {
    color: var(--lea-gray-600);
    margin-bottom: var(--lea-spacing-md);
    line-height: 1.5;
}

.lea-article-meta {
    display: flex;
    gap: var(--lea-spacing-lg);
    margin-bottom: var(--lea-spacing-sm);
    font-size: 0.875rem;
    color: var(--lea-gray-500);
}

.lea-article-meta span {
    display: inline-flex;
    align-items: center;
    gap: var(--lea-spacing-xs);
}

.lea-article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--lea-spacing-sm);
}

.lea-article-tags a {
    display: inline-block;
    padding: var(--lea-spacing-xs) var(--lea-spacing-sm);
    background: var(--lea-gray-100);
    border-radius: var(--lea-radius-full);
    font-size: 0.75rem;
    color: var(--lea-primary);
    transition: all var(--lea-transition-fast);
}

.lea-article-tags a:hover {
    background: var(--lea-primary);
    color: var(--lea-white);
}

/* ============================================
   Related Tools Section
   ============================================ */
.lea-related-tools-section,
.lea-related-services-section {
    margin-bottom: var(--lea-spacing-3xl);
}

.lea-related-tools-section h2,
.lea-related-services-section h2,
.lea-strategies-section h2,
.lea-metrics-section h2,
.lea-checklist-section h2,
.lea-tips-section h2 {
    font-size: 1.5rem;
    margin-bottom: var(--lea-spacing-lg);
    color: var(--lea-dark);
}

.lea-related-tools-grid,
.lea-related-services-grid,
.lea-strategies-grid,
.lea-metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--lea-spacing-lg);
}

.lea-tool-card,
.lea-service-card {
    background: var(--lea-white);
    padding: var(--lea-spacing-lg);
    border-radius: var(--lea-radius-lg);
    box-shadow: var(--lea-shadow-sm);
    transition: all var(--lea-transition-base);
    border: 1px solid var(--lea-gray-200);
}

.lea-tool-card:hover,
.lea-service-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lea-shadow-md);
}

.lea-tool-card i,
.lea-service-card i {
    font-size: 1.5rem;
    color: var(--lea-primary);
    margin-bottom: var(--lea-spacing-sm);
}

.lea-tool-card h4,
.lea-service-card h4 {
    margin-bottom: var(--lea-spacing-sm);
}

.lea-tool-card h4 a,
.lea-service-card h4 a {
    color: var(--lea-dark);
    text-decoration: none;
}

.lea-tool-card h4 a:hover,
.lea-service-card h4 a:hover {
    color: var(--lea-primary);
}

.lea-tool-card p,
.lea-service-card p {
    font-size: 0.875rem;
    color: var(--lea-gray-500);
    margin: 0;
}

/* ============================================
   Strategies & Metrics Sections
   ============================================ */
.lea-strategies-section,
.lea-metrics-section,
.lea-checklist-section,
.lea-tips-section {
    margin-bottom: var(--lea-spacing-3xl);
}

.lea-strategy-card,
.lea-metric-card,
.lea-tip-card {
    background: var(--lea-white);
    padding: var(--lea-spacing-lg);
    border-radius: var(--lea-radius-lg);
    box-shadow: var(--lea-shadow-sm);
    border: 1px solid var(--lea-gray-200);
    transition: all var(--lea-transition-base);
}

.lea-strategy-card:hover,
.lea-metric-card:hover,
.lea-tip-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--lea-shadow-md);
}

.lea-strategy-card i,
.lea-metric-card i,
.lea-tip-card i {
    font-size: 1.5rem;
    color: var(--lea-primary);
    margin-bottom: var(--lea-spacing-sm);
}

.lea-strategy-card h4,
.lea-metric-card h4,
.lea-tip-card h4 {
    margin-bottom: var(--lea-spacing-sm);
    font-size: 1.125rem;
}

.lea-strategy-card p,
.lea-metric-card p,
.lea-tip-card p {
    font-size: 0.875rem;
    color: var(--lea-gray-600);
    line-height: 1.5;
    margin: 0;
}

/* ============================================
   Checklist Section
   ============================================ */
.lea-checklist-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--lea-spacing-lg);
}

.lea-checklist-card {
    background: var(--lea-white);
    padding: var(--lea-spacing-lg);
    border-radius: var(--lea-radius-lg);
    box-shadow: var(--lea-shadow-sm);
    border-left: 3px solid var(--lea-primary);
}

.lea-checklist-card h4 {
    margin-bottom: var(--lea-spacing-md);
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: var(--lea-spacing-sm);
}

.lea-checklist-card h4 i {
    font-size: 1.125rem;
    color: var(--lea-success);
}

.lea-checklist-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lea-checklist-card ul li {
    padding: var(--lea-spacing-xs) 0;
    padding-left: var(--lea-spacing-lg);
    position: relative;
    font-size: 0.875rem;
    color: var(--lea-gray-600);
}

.lea-checklist-card ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--lea-success);
    font-weight: bold;
}

/* ============================================
   Sidebar Widgets
   ============================================ */
.lea-category-sidebar {
    position: sticky;
    top: 100px;
    align-self: start;
}

.lea-widget {
    background: var(--lea-white);
    border-radius: var(--lea-radius-lg);
    padding: var(--lea-spacing-lg);
    margin-bottom: var(--lea-spacing-xl);
    box-shadow: var(--lea-shadow-sm);
    border: 1px solid var(--lea-gray-200);
}

.lea-widget h4 {
    margin-bottom: var(--lea-spacing-md);
    padding-bottom: var(--lea-spacing-sm);
    border-bottom: 2px solid var(--lea-primary);
    font-size: 1.125rem;
}

.lea-category-nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lea-category-nav li {
    margin-bottom: var(--lea-spacing-sm);
}

.lea-category-nav li a {
    display: block;
    padding: var(--lea-spacing-sm) var(--lea-spacing-md);
    color: var(--lea-gray-700);
    border-radius: var(--lea-radius-md);
    transition: all var(--lea-transition-fast);
}

.lea-category-nav li a:hover {
    background: var(--lea-gray-100);
    color: var(--lea-primary);
}

.lea-category-nav li a.lea-active {
    background: var(--lea-primary-gradient);
    color: var(--lea-white);
}

/* Popular List */
.lea-popular-list {
    display: flex;
    flex-direction: column;
    gap: var(--lea-spacing-md);
}

.lea-popular-list a {
    display: block;
    padding: var(--lea-spacing-sm);
    border-radius: var(--lea-radius-md);
    transition: all var(--lea-transition-fast);
}

.lea-popular-list a:hover {
    background: var(--lea-gray-100);
}

.lea-popular-title {
    font-weight: 600;
    color: var(--lea-dark);
    margin-bottom: var(--lea-spacing-xs);
    font-size: 0.9375rem;
}

.lea-popular-meta {
    font-size: 0.75rem;
    color: var(--lea-gray-500);
}

/* Stats Widget */
.lea-stats-list {
    display: flex;
    flex-direction: column;
    gap: var(--lea-spacing-md);
}

.lea-stat-item {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: var(--lea-spacing-sm);
    background: var(--lea-gray-100);
    border-radius: var(--lea-radius-md);
}

.lea-stat-number {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--lea-primary);
}

.lea-stat-text {
    font-size: 0.75rem;
    color: var(--lea-gray-600);
    margin-top: var(--lea-spacing-xs);
}

/* Tips Widget */
.lea-tips-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.lea-tips-list li {
    padding: var(--lea-spacing-sm) 0;
    padding-left: var(--lea-spacing-lg);
    position: relative;
    font-size: 0.875rem;
    color: var(--lea-gray-600);
    border-bottom: 1px solid var(--lea-gray-200);
}

.lea-tips-list li:last-child {
    border-bottom: none;
}

.lea-tips-list li i {
    position: absolute;
    left: 0;
    top: 12px;
    color: var(--lea-success);
    font-size: 0.875rem;
}

/* Newsletter Widget */
.lea-newsletter-widget {
    background: var(--lea-primary-gradient);
    color: var(--lea-white);
}

.lea-newsletter-widget h4,
.lea-newsletter-widget p {
    color: var(--lea-white);
}

.lea-newsletter-widget input {
    width: 100%;
    padding: var(--lea-spacing-sm);
    border: none;
    border-radius: var(--lea-radius-md);
    margin: var(--lea-spacing-sm) 0;
    font-size: 0.875rem;
}

.lea-newsletter-widget button {
    width: 100%;
    padding: var(--lea-spacing-sm);
    background: var(--lea-white);
    color: var(--lea-primary);
    border: none;
    border-radius: var(--lea-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--lea-transition-fast);
}

.lea-newsletter-widget button:hover {
    transform: translateY(-2px);
    box-shadow: var(--lea-shadow-md);
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .lea-category-layout {
        grid-template-columns: 1fr;
    }
    
    .lea-category-sidebar {
        position: static;
        margin-top: var(--lea-spacing-xl);
    }
}

@media (max-width: 768px) {
    .lea-category-page {
        padding: var(--lea-spacing-xl) 0;
    }
    
    .lea-category-header {
        padding: var(--lea-spacing-lg);
    }
    
    .lea-category-header h1 {
        font-size: 1.75rem;
    }
    
    .lea-category-description {
        font-size: 1rem;
    }
    
    .lea-article-list-item {
        flex-direction: column;
        padding: var(--lea-spacing-lg);
    }
    
    .lea-article-icon {
        width: 50px;
        height: 50px;
    }
    
    .lea-article-icon i {
        font-size: 1.5rem;
    }
    
    .lea-article-info h3 {
        font-size: 1.125rem;
    }
    
    .lea-article-meta {
        flex-wrap: wrap;
        gap: var(--lea-spacing-md);
    }
    
    .lea-related-tools-grid,
    .lea-related-services-grid,
    .lea-strategies-grid,
    .lea-metrics-grid,
    .lea-checklist-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .lea-article-list-item {
        padding: var(--lea-spacing-md);
    }
    
    .lea-widget {
        padding: var(--lea-spacing-md);
    }
}