/* Blog-specific styles */

/* Mobile-first responsive design for blog */
@media (max-width: 767px) {
    .blog-index {
        padding-top: 70px;
    }
    
    .blog-hero {
        padding: var(--spacing-8) 0;
    }
    
    .blog-hero__title {
        font-size: var(--font-size-2xl);
    }
    
    .blog-hero__description {
        font-size: var(--font-size-base);
    }
    
    .featured-article {
        padding: var(--spacing-8) 0;
    }
    
    .featured-card {
        grid-template-columns: 1fr;
    }
    
    .featured-card__content {
        padding: var(--spacing-6);
    }
    
    .featured-card__title {
        font-size: var(--font-size-xl);
    }
    
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-3);
    }
    
    .category-card {
        padding: var(--spacing-4);
    }
    
    .category-card__icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-3);
    }
    
    .filter-status {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-3);
    }
    
    .recent-articles {
        padding: var(--spacing-8) 0;
    }
    
    .blog-cta {
        padding: var(--spacing-8) 0;
    }
    
    .cta-card {
        padding: var(--spacing-8);
    }
    
    .cta-card__title {
        font-size: var(--font-size-xl);
    }
    
    .cta-card__description {
        font-size: var(--font-size-base);
    }
    
    .cta-card__actions {
        flex-direction: column;
        gap: var(--spacing-3);
    }
    
    .cta-card__actions .btn {
        width: 100%;
    }
}

/* Article page mobile styles */
@media (max-width: 767px) {
    .blog-post {
        padding-top: 70px;
    }
    
    .breadcrumb {
        padding: var(--spacing-3) 0;
    }
    
    .breadcrumb__list {
        gap: var(--spacing-1);
        font-size: var(--font-size-sm);
    }
    
    .article-header {
        padding: var(--spacing-8) 0;
    }
    
    .article-meta {
        flex-direction: column;
        gap: var(--spacing-2);
    }
    
    .article-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-4);
    }
    
    .article-excerpt {
        font-size: var(--font-size-base);
        margin-bottom: var(--spacing-8);
    }
    
    .article-image img {
        height: 250px;
    }
    
    .article-content {
        padding: var(--spacing-12) 0;
    }
    
    .article-content .container {
        flex-direction: column;
        gap: var(--spacing-8);
    }
    
    .article-sidebar {
        order: -1;
        position: static;
        max-height: none;
    }
    
    .article-body h2 {
        font-size: var(--font-size-xl);
        margin-top: var(--spacing-8);
    }
    
    .article-body h3 {
        font-size: var(--font-size-lg);
        margin-top: var(--spacing-6);
    }
    
    .article-body p,
    .article-body li {
        font-size: var(--font-size-base);
    }
    
    .article-quote {
        padding: var(--spacing-6);
        margin: var(--spacing-8) 0;
        font-size: var(--font-size-base);
    }
    
    .author-card,
    .sidebar-cta,
    .share-buttons {
        padding: var(--spacing-4);
    }
    
    .sidebar-cta h3 {
        font-size: var(--font-size-base);
    }
    
    .share-buttons__list {
        grid-template-columns: 1fr;
        gap: var(--spacing-2);
    }
    
    .share-btn {
        padding: var(--spacing-3);
        min-height: 44px;
    }
    
    .related-articles {
        padding: var(--spacing-12) 0;
    }
    
    .related-articles .blog__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }
    
    .table-of-contents {
        margin-bottom: var(--spacing-6);
    }
}

/* Tablet styles for blog */
@media (min-width: 768px) and (max-width: 1023px) {
    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .article-content .container {
        flex-direction: column;
        gap: var(--spacing-10);
    }
    
    .article-sidebar {
        order: -1;
        position: static;
        max-height: none;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-6);
    }
    
    .related-articles .blog__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Blog Index Specific Styles */
.blog-index {
    padding-top: 80px;
}

.blog-hero {
    background: var(--color-surface);
    padding: var(--spacing-16) 0;
    text-align: center;
}

.blog-hero__title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-4);
    color: var(--color-primary);
}

.blog-hero__description {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Featured Article */
.featured-article {
    padding: var(--spacing-16) 0;
}

.featured-card {
    display: grid;
    gap: var(--spacing-8);
    background: var(--color-surface);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

@media (min-width: 1024px) {
    .featured-card {
        grid-template-columns: 1fr 1fr;
        gap: 0;
    }
}

.featured-card__image img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.blog-featured-image {
    object-fit: contain !important;
    background: white;
    padding: 2rem;
}

.blog-card__image {
    object-fit: contain;
    background: white;
    padding: 1rem;
}

@media (min-width: 1024px) {
    .featured-card__image img {
        height: 100%;
    }
}

.featured-card__content {
    padding: var(--spacing-8);
}

.featured-card__category {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 12px;
    margin-bottom: var(--spacing-4);
}

.featured-card__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
}

.featured-card__title a {
    color: var(--color-text);
    text-decoration: none;
}

.featured-card__title a:hover {
    color: var(--color-primary);
}

.featured-card__excerpt {
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: var(--spacing-6);
}

.featured-card__meta {
    display: flex;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Categories */
.blog-categories {
    padding: var(--spacing-16) 0;
    background: var(--color-dark-lighter);
}

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

.category-card {
    background: var(--color-surface);
    padding: var(--spacing-6);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.category-card.active {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.category-card.active .category-card__title,
.category-card.active .category-card__description,
.category-card.active .category-card__count {
    color: white;
}

.category-card--all {
    background: var(--color-primary-subtle);
    border: 2px solid var(--color-primary);
}

.category-card--all .category-card__title {
    color: var(--color-primary);
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s;
}

.category-card:hover::before {
    left: 100%;
}

.category-card__icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-4);
}

.category-card__title {
    color: var(--color-primary);
    margin-bottom: var(--spacing-2);
}

.category-card__description {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-3);
}

.category-card__count {
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* Filter Status */
.filter-status {
    background: var(--color-primary-subtle);
    padding: var(--spacing-4) var(--spacing-6);
    border-radius: 8px;
    margin-bottom: var(--spacing-8);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-4);
    border: 1px solid var(--color-primary);
}

.filter-status p {
    margin: 0;
    color: var(--color-primary);
    font-weight: 500;
}

.filter-category {
    font-weight: 700;
    text-transform: capitalize;
}

.btn--small {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
    min-height: 36px;
}

/* Blog Card Filtering */
.blog-card {
    transition: all var(--transition-normal);
}

.blog-card.hidden {
    display: none;
}

.blog-card.fade-out {
    opacity: 0;
    transform: scale(0.95);
}

.blog-card.fade-in {
    opacity: 1;
    transform: scale(1);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
    color: var(--color-text-muted);
    display: none;
}

.empty-state.show {
    display: block;
}

.empty-state h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
}

.empty-state p {
    margin-bottom: var(--spacing-6);
}

/* Categories Grid Responsive */
@media (max-width: 767px) {
    .categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-4);
    }
    
    .category-card {
        padding: var(--spacing-4);
    }
    
    .category-card__icon {
        font-size: 2rem;
        margin-bottom: var(--spacing-3);
    }
    
    .filter-status {
        flex-direction: column;
        text-align: center;
    }
}

/* Recent Articles */
.recent-articles {
    padding: var(--spacing-16) 0;
    background: var(--color-surface);
}

/* Loading Animation for Filters */
.blog__grid.loading {
    opacity: 0.6;
    pointer-events: none;
}

.blog__grid.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    margin: -20px 0 0 -20px;
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* CTA Section */
.blog-cta {
    padding: var(--spacing-16) 0;
    background: var(--color-primary-subtle);
}

.cta-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-12);
    border-radius: 16px;
    text-align: center;
    color: white;
}

.cta-card__title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-4);
    color: white;
}

.cta-card__description {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-8);
    opacity: 0.9;
}

.cta-card__actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-card .btn--outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.cta-card .btn--outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-2px);
}

/* Article Layout */
.blog-post {
    padding-top: 80px;
}

/* Breadcrumb */
.breadcrumb {
    padding: var(--spacing-4) 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    list-style: none;
    margin: 0;
    padding: 0;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.breadcrumb__item:not(:last-child)::after {
    content: '›';
    color: var(--color-text-muted);
    font-weight: bold;
}

.breadcrumb__link {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
    color: var(--color-primary);
}

.breadcrumb__item--current {
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Article Header */
.article-header {
    padding: var(--spacing-12) 0;
    background: var(--color-surface);
    text-align: center;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-6);
    flex-wrap: wrap;
}

.article-category {
    display: inline-block;
    padding: var(--spacing-1) var(--spacing-3);
    background: var(--color-primary);
    color: white;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 12px;
}

.article-date,
.article-reading-time {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.article-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-6);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .article-title {
        font-size: var(--font-size-5xl);
    }
}

.article-excerpt {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto var(--spacing-12);
    line-height: 1.6;
}

.article-image {
    max-width: 1000px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.article-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.article-featured-image {
    object-fit: contain !important;
    background: white;
    padding: 2rem;
}

@media (min-width: 768px) {
    .article-image img {
        height: 500px;
    }
}

/* Article Content */
.article-content {
    padding: var(--spacing-20) 0;
}

.article-content .container {
    display: flex;
    gap: var(--spacing-12);
    flex-direction: row;
    flex-wrap: wrap;
}

@media (min-width: 1024px) {
    .article-content .container {
        grid-template-columns: 2fr 1fr;
        gap: var(--spacing-16);
    }
}

/* Article Body */
.article-body {
    max-width: 800px;
}

@media (min-width: 1024px) {
    .article-body {
        max-width: none;
    }
}

.article-body h2 {
    color: var(--color-primary);
    margin-top: var(--spacing-12);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-2xl);
}

.article-body h3 {
    color: var(--color-secondary);
    margin-top: var(--spacing-10);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-xl);
}

.article-body h4 {
    color: var(--color-text);
    margin-top: var(--spacing-8);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.article-body p {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
    color: var(--color-text-muted);
}

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

.article-body li {
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-2);
    color: var(--color-text-muted);
}

.article-body li::marker {
    color: var(--color-primary);
}

.article-body a {
    font-weight: 500;
    text-decoration: underline;
    text-decoration-color: rgba(161, 78, 151, 0.3);
    text-underline-offset: 3px;
    transition: all var(--transition-fast);
}

.article-body a:hover {
    color: var(--color-secondary);
    text-decoration-color: var(--color-secondary);
}

.article-body strong {
    color: var(--color-text);
    font-weight: 600;
}

.article-body em {
    color: var(--color-text);
    font-style: italic;
}

/* Article Quote */
.article-quote {
    background: var(--color-surface);
    border-left: 4px solid var(--color-primary);
    padding: var(--spacing-8);
    margin: var(--spacing-12) 0;
    border-radius: 0 12px 12px 0;
    font-size: var(--font-size-lg);
    font-style: italic;
    color: var(--color-text);
    position: relative;
}

.article-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--color-primary);
    position: absolute;
    top: var(--spacing-2);
    left: var(--spacing-4);
    line-height: 1;
    opacity: 0.3;
}

/* Article Sidebar */
.article-sidebar {
    display: grid;
    gap: var(--spacing-8);
    align-content: start;
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 140px);
    overflow-y: auto;
}

@media (max-width: 1023px) {
    .article-sidebar {
        position: static;
        max-height: none;
        order: -1;
    }
}

/* Author Card */
.author-card {
    background: var(--color-surface);
    padding: var(--spacing-6);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    text-align: center;
}

.author-info h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.author-info p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin: 0;
}

/* Sidebar CTA */
.sidebar-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    padding: var(--spacing-8);
    border-radius: 16px;
    text-align: center;
    color: white;
}

.sidebar-cta h3 {
    color: white;
    margin-bottom: var(--spacing-3);
    font-size: var(--font-size-lg);
}

.sidebar-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.sidebar-cta .btn {
    width: 100%;
    margin-bottom: var(--spacing-3);
}

.sidebar-cta .btn:last-child {
    margin-bottom: 0;
}

.sidebar-cta .btn--outline {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.sidebar-cta .btn--outline:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: white;
    transform: translateY(-2px);
}

/* Share Buttons */
.share-buttons {
    background: var(--color-surface);
    padding: var(--spacing-6);
    border-radius: 12px;
    border: 1px solid var(--color-border);
}

.share-buttons h4 {
    color: var(--color-text);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-base);
    text-align: center;
}

.share-buttons__list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-3);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3);
    border-radius: 8px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    min-height: 40px;
}

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

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

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

.share-btn--whatsapp {
    background: #25d366;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    opacity: 0.9;
}

/* Related Articles */
.related-articles {
    padding: var(--spacing-20) 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
}

/* Table of Contents */
.table-of-contents {
    background: var(--color-surface);
    padding: var(--spacing-6);
    border-radius: 12px;
    border: 1px solid var(--color-border);
    margin-bottom: var(--spacing-8);
}

.table-of-contents h4 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-base);
}

.table-of-contents ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.table-of-contents li {
    margin-bottom: var(--spacing-2);
}

.table-of-contents a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: var(--font-size-sm);
    display: block;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: 6px;
    transition: all var(--transition-fast);
}

.table-of-contents a:hover {
    color: var(--color-primary);
    background: rgba(161, 78, 151, 0.1);
}

.table-of-contents a.active {
    color: var(--color-primary);
    background: rgba(161, 78, 151, 0.1);
    font-weight: 500;
}

/* Image Captions */
.article-body figure {
    margin: var(--spacing-8) 0;
    text-align: center;
}

.article-body figure img {
    width: 100%;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
}

.article-body figcaption {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--spacing-3);
    font-style: italic;
}

/* Code Blocks */
.article-body pre {
    background: var(--color-dark-lighter);
    padding: var(--spacing-6);
    border-radius: 8px;
    overflow-x: auto;
    margin: var(--spacing-8) 0;
    border: 1px solid var(--color-border);
}

.article-body code {
    background: var(--color-surface);
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.article-body pre code {
    background: none;
    padding: 0;
    border: none;
    color: var(--color-text);
}

/* Reading Progress Indicator */
.reading-progress {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(161, 78, 151, 0.2);
    z-index: 999;
}

.reading-progress__bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    width: 0%;
    transition: width 0.3s ease;
}

/* Print Styles */
@media print {
    .header,
    .footer,
    .article-sidebar,
    .related-articles,
    .cookie-banner,
    .share-buttons,
    .breadcrumb {
        display: none !important;
    }
    
    .article-content {
        padding: 0;
    }
    
    .article-body {
        max-width: none;
    }
    
    .article-title {
        color: #000 !important;
        font-size: 24pt;
    }
    
    .article-body h2 {
        color: #000 !important;
        font-size: 18pt;
    }
    
    .article-body p,
    .article-body li {
        color: #000 !important;
        font-size: 12pt;
        line-height: 1.5;
    }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
    .share-btn,
    .breadcrumb__link,
    .table-of-contents a {
        transition: none;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .article-quote {
        border-left-color: var(--color-text);
        background: var(--color-dark);
    }
    
    .share-btn {
        border: 2px solid currentColor;
    }
    
    .sidebar-cta {
        border: 2px solid var(--color-primary);
    }
}