/* Blog Styles */

/* Blog Main Layout */
.insights-main {
    padding: var(--spacing-8) 0;
}

.insights-header {
    text-align: center;
    margin-bottom: var(--spacing-12);
}

.insights-header h1 {
    font-size: clamp(var(--font-size-4xl), 5vw, var(--font-size-6xl));
    margin-bottom: var(--spacing-4);
}

.insights-header .lead {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Blog Container Layout */
.blog-container {
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-16);
}

.blog-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-8);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-8);
    margin-bottom: var(--spacing-12);
}

/* Blog Cards */
.blog-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.blog-card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.blog-card:hover .blog-card-image img {
    transform: scale(1.05);
}

.blog-card-category {
    position: absolute;
    top: var(--spacing-3);
    left: var(--spacing-3);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.blog-card-content {
    padding: var(--spacing-6);
}

.blog-card-title {
    margin-bottom: var(--spacing-3);
}

.blog-card-title a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.blog-card-title a:hover {
    color: var(--color-primary);
}

.blog-card-excerpt {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-4);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.blog-card-meta span {
    display: flex;
    align-items: center;
}

.blog-card-meta span:not(:last-child)::after {
    content: '•';
    margin-left: var(--spacing-4);
    color: var(--color-border);
}

.blog-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.blog-tag {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-base);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

/* Sidebar Styles */
.sidebar-section {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
}

.sidebar-section h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

/* Category Filters */
.category-filters {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.category-filter {
    display: block;
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.category-filter:hover {
    background: var(--color-bg-secondary);
    color: var(--color-primary);
}

.category-filter.active {
    background: var(--color-primary);
    color: var(--color-white);
}

/* Recent Posts */
.recent-posts {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.recent-post h4 {
    margin-bottom: var(--spacing-2);
}

.recent-post h4 a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
}

.recent-post h4 a:hover {
    color: var(--color-primary);
}

.recent-post-meta {
    display: flex;
    gap: var(--spacing-3);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.recent-post-meta span:not(:last-child)::after {
    content: '•';
    margin-left: var(--spacing-3);
}

/* Pagination */
.blog-pagination {
    display: flex;
    justify-content: center;
    margin-top: var(--spacing-8);
}

.pagination-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-2);
    align-items: center;
}

.page-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: var(--spacing-2) var(--spacing-3);
    color: var(--color-text-secondary);
    text-decoration: none;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--color-bg-secondary);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.page-link.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.page-ellipsis {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

/* Single Post Styles */
.post-main {
    padding: var(--spacing-8) 0;
}

.blog-post {
    max-width: 800px;
    margin: 0 auto;
}

.post-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.post-category {
    display: inline-block;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-4);
}

.post-title {
    font-size: clamp(var(--font-size-3xl), 4vw, var(--font-size-5xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-6);
    color: var(--color-text-primary);
}

.post-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.post-meta span:not(:last-child)::after {
    content: '•';
    margin-left: var(--spacing-4);
}

.post-tags {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-2);
}

.post-tag {
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    padding: var(--spacing-1) var(--spacing-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-medium);
}

.post-featured-image {
    margin-bottom: var(--spacing-8);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.post-featured-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Post Content */
.post-content {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-12);
}

.post-content h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-top: var(--spacing-12);
    margin-bottom: var(--spacing-6);
    color: var(--color-text-primary);
}

.post-content h3 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

.post-content p {
    margin-bottom: var(--spacing-6);
    color: var(--color-text-secondary);
}

.post-content ul,
.post-content ol {
    margin-bottom: var(--spacing-6);
    padding-left: var(--spacing-6);
}

.post-content li {
    margin-bottom: var(--spacing-2);
    color: var(--color-text-secondary);
}

.post-content strong {
    color: var(--color-text-primary);
    font-weight: var(--font-weight-semibold);
}

.post-content em {
    font-style: italic;
    color: var(--color-primary);
}

.post-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: var(--spacing-6);
    margin: var(--spacing-8) 0;
    font-style: italic;
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
}

/* Post Footer */
.post-footer {
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-8);
    margin-top: var(--spacing-12);
}

.post-share h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-4);
    color: var(--color-text-primary);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-3);
}

.share-button {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-2) var(--spacing-4);
    color: var(--color-white);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
}

.share-twitter {
    background: #1da1f2;
}

.share-twitter:hover {
    background: #0d8bd9;
}

.share-linkedin {
    background: #0077b5;
}

.share-linkedin:hover {
    background: #005885;
}

.share-facebook {
    background: #1877f2;
}

.share-facebook:hover {
    background: #166fe5;
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-16);
}

.related-posts h3 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-8);
    color: var(--color-text-primary);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-6);
}

.related-post {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.related-post:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.related-post-image {
    height: 150px;
    overflow: hidden;
}

.related-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.related-post-content {
    padding: var(--spacing-4);
}

.related-post h4 {
    margin-bottom: var(--spacing-2);
}

.related-post h4 a {
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    line-height: var(--line-height-snug);
}

.related-post h4 a:hover {
    color: var(--color-primary);
}

.related-post-meta {
    display: flex;
    gap: var(--spacing-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.related-post-meta span:not(:last-child)::after {
    content: '•';
    margin-left: var(--spacing-2);
}

/* Loading States */
.blog-loading,
.post-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-16) var(--spacing-4);
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-4);
}

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

.blog-loading p,
.post-loading p {
    color: var(--color-text-muted);
    font-size: var(--font-size-base);
}

/* Error States */
.blog-error,
.post-error {
    text-align: center;
    padding: var(--spacing-8);
    color: var(--color-error);
    font-size: var(--font-size-base);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-lg);
}

.no-posts {
    text-align: center;
    padding: var(--spacing-12);
    color: var(--color-text-muted);
    font-size: var(--font-size-lg);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    grid-column: 1 / -1;
}

/* Post Navigation */
.post-navigation {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--spacing-12) 0;
    padding: var(--spacing-6) 0;
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.post-nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-fast);
}

.post-nav-link:hover {
    color: var(--color-primary);
}

.post-nav-prev::before {
    content: '←';
    font-size: var(--font-size-lg);
}

.post-nav-next::after {
    content: '→';
    font-size: var(--font-size-lg);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .blog-container {
        grid-template-columns: 1fr;
        gap: var(--spacing-8);
    }
    
    .blog-sidebar {
        order: -1;
    }
    
    .sidebar-section {
        padding: var(--spacing-4);
    }
    
    .category-filters {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-2);
    }
    
    .recent-posts {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--spacing-4);
    }
}

@media (max-width: 768px) {
    .insights-main,
    .post-main {
        padding: var(--spacing-6) 0;
    }
    
    .insights-header {
        margin-bottom: var(--spacing-8);
    }
    
    .insights-header h1 {
        font-size: clamp(var(--font-size-3xl), 6vw, var(--font-size-4xl));
    }
    
    .insights-header .lead {
        font-size: var(--font-size-lg);
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .blog-card-content {
        padding: var(--spacing-4);
    }
    
    .blog-card-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-2);
    }
    
    .blog-card-meta span:not(:last-child)::after {
        display: none;
    }
    
    .post-title {
        font-size: clamp(var(--font-size-2xl), 5vw, var(--font-size-3xl));
    }
    
    .post-meta {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .post-meta span:not(:last-child)::after {
        display: none;
    }
    
    .post-content {
        font-size: var(--font-size-base);
    }
    
    .post-content h2 {
        font-size: var(--font-size-xl);
        margin-top: var(--spacing-8);
    }
    
    .post-content h3 {
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-6);
    }
    
    .share-buttons {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .share-button {
        justify-content: center;
        padding: var(--spacing-3) var(--spacing-4);
    }
    
    .related-posts-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
    
    .post-navigation {
        flex-direction: column;
        gap: var(--spacing-4);
        text-align: center;
    }
    
    .pagination-list {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .blog-card-image {
        height: 150px;
    }
    
    .blog-card-content {
        padding: var(--spacing-3);
    }
    
    .blog-card-title a {
        font-size: var(--font-size-lg);
    }
    
    .sidebar-section {
        padding: var(--spacing-3);
    }
    
    .post-content {
        font-size: var(--font-size-sm);
    }
    
    .post-content blockquote {
        padding-left: var(--spacing-4);
        font-size: var(--font-size-base);
    }
    
    .page-link {
        min-width: 36px;
        height: 36px;
        font-size: var(--font-size-xs);
    }
}

/* Dark Mode Support */
@media (prefers-color-scheme: dark) {
    .blog-card-category,
    .post-category {
        background: var(--color-primary-light);
    }
    
    .share-twitter:hover {
        background: #1a91da;
    }
    
    .share-linkedin:hover {
        background: #004471;
    }
    
    .share-facebook:hover {
        background: #1464d4;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .blog-card {
        border-width: 2px;
    }
    
    .blog-card:hover {
        border-width: 3px;
    }
    
    .category-filter.active {
        border: 2px solid var(--color-white);
    }
    
    .page-link.active {
        border: 2px solid var(--color-white);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .blog-card,
    .related-post,
    .category-filter,
    .page-link,
    .share-button,
    .post-nav-link {
        transition: none;
    }
    
    .blog-card:hover,
    .related-post:hover {
        transform: none;
    }
    
    .blog-card:hover .blog-card-image img {
        transform: none;
    }
    
    .loading-spinner {
        animation: none;
        border: 3px solid var(--color-primary);
    }
}

/* Print Styles */
@media print {
    .blog-sidebar,
    .blog-pagination,
    .post-navigation,
    .share-buttons,
    .related-posts {
        display: none !important;
    }
    
    .blog-container {
        grid-template-columns: 1fr;
    }
    
    .blog-card,
    .post-content {
        box-shadow: none;
        border: 1px solid #ccc;
    }
    
    .blog-card:hover {
        transform: none;
    }
    
    .post-content {
        font-size: 12pt;
        line-height: 1.4;
    }
    
    .post-title {
        font-size: 18pt;
    }
    
    .post-content h2 {
        font-size: 16pt;
    }
    
    .post-content h3 {
        font-size: 14pt;
    }
}