/* Blog Specific Styles */

/* Blog Hero Section */
.blog-hero {
    /* background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%); */
    background: var(--primary-color);
  --gap: 5em;
  --line: 1px;
  --color: rgba(255, 255, 255, 0.2);

  background-image: linear-gradient(
      -90deg,
      transparent calc(var(--gap) - var(--line)),
      var(--color) calc(var(--gap) - var(--line) + 1px),
      var(--color) var(--gap)
    ),
    linear-gradient(
      0deg,
      transparent calc(var(--gap) - var(--line)),
      var(--color) calc(var(--gap) - var(--line) + 1px),
      var(--color) var(--gap)
    );
  background-size: var(--gap) var(--gap);
    color: white;
    padding: 6rem 0 4rem;
    text-align: center;
}

.blog-hero-content h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.blog-hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.blog-hero-cta .btn {
    outline: none;
    color: var(--primary-color);
    padding: 0.5em;
    border: 2px dashed var(--primary-color);
    border-radius: 15px;
    background-color: #EADDCA;
    box-shadow: 0 0 0 4px #EADDCA, 2px 2px 4px 2px rgba(0, 0, 0, 0.5);
    transition: .1s ease-in-out, .4s color;
    color: var(--primary-color);
}

.blog-hero-cta .btn:hover {
    background: #EADDCA;
    transform: translateY(-2px);
}

/* Blog Cards */
.blog-card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

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

.blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    z-index: 1;
}

.blog-card-content {
    padding: 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.4;
}

.blog-card-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
    flex-grow: 1;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--text-lighter);
}

.blog-card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.blog-card-link:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

/* Featured Articles */
.blog-featured {
    padding: 4rem 0;
    background: var(--bg-gray);
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.featured .blog-card {
    border: 2px solid var(--primary-color);
}

/* Recent Articles */
.blog-recent {
    padding: 4rem 0;
}

.recent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Categories Section */
.blog-categories {
    padding: 4rem 0;
    background: var(--bg-gray);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.category-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.category-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
}

.category-card p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.category-count {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-block;
}

/* Newsletter Section */
.blog-newsletter {
    padding: 4rem 0;
    background: var(--text-dark);
    color: white;
    text-align: center;
}

.newsletter-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter-content p {
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.newsletter-form {
    display: flex;
    gap: 1rem;
    max-width: 400px;
    margin: 0 auto 1rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

.newsletter-form button {
    padding: 0.75rem 1.5rem;
}

.newsletter-note {
    font-size: 0.875rem;
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
    .blog-hero-content h1 {
        font-size: 2.5rem;
    }

    .blog-hero {
        padding: 4rem 0 3rem;
    }

    .featured-grid,
    .recent-grid,
    .categories-grid {
        grid-template-columns: 1fr;
    }

    .newsletter-form {
        flex-direction: column;
        gap: 1rem;
    }

    .newsletter-form input {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .blog-hero-content h1 {
        font-size: 2rem;
    }

    .blog-card-image {
        height: 150px;
    }

    .blog-card-content {
        padding: 1rem;
    }

    .category-card {
        padding: 1.5rem;
    }
}

/* Loading States */
.blog-card.loading {
    opacity: 0.7;
    pointer-events: none;
}

.blog-card.loading::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Blog Navigation */
.blog-nav {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

.blog-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-nav-links {
    display: flex;
    gap: 2rem;
}

.blog-nav-links a {
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.blog-nav-links a:hover {
    color: var(--primary-color);
}

.blog-nav-links a.active {
    color: var(--primary-color);
    font-weight: 600;
}

/* Search Section */
.blog-search {
    background: var(--bg-gray);
    padding: 2rem 0;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: 1rem;
}

.search-form input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
}

/* Search Results */
.search-results {
    padding: 2rem 0;
}

.search-results-grid {
    display: grid;
    gap: 2rem;
}

.no-results {
    text-align: center;
    padding: 3rem 0;
}

.no-results h3 {
    font-size: 1.5rem;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.no-results p {
    color: var(--text-light);
    margin-bottom: 2rem;
}

/* Blog Article Page */
.blog-article {
    padding: 4rem 0;
}

.blog-article-header {
    text-align: center;
    margin-bottom: 3rem;
}

.blog-article-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-article-meta {
    display: flex;
    justify-content: center;
    gap: 2rem;
    color: var(--text-light);
    font-size: 0.95rem;
}

.blog-article-content {
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.7;
    color: var(--text-dark);
}

.blog-article-content h2 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 2rem 0 1rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.5rem;
}

.blog-article-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 1.5rem 0 0.75rem;
}

.blog-article-content p {
    margin-bottom: 1rem;
}

.blog-article-content ul,
.blog-article-content ol {
    margin: 1rem 0;
    padding-left: 2rem;
}

.blog-article-content li {
    margin-bottom: 0.5rem;
}

.blog-article-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--text-light);
}

.blog-article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
}

.blog-article-footer {
    max-width: 800px;
    margin: 3rem auto 0;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.blog-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.blog-tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    text-decoration: none;
    transition: var(--transition);
}

.blog-tag:hover {
    background: var(--primary-color);
    color: white;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.blog-author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.blog-author-info h4 {
    color: var(--text-dark);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.blog-author-info p {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

/* Related Articles */
.related-articles {
    padding: 4rem 0;
    background: var(--bg-gray);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.related-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.related-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    background: var(--gradient-light);
}

.related-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 1rem 1.5rem 0.5rem;
    color: var(--text-dark);
    line-height: 1.4;
}

.related-card p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin: 0.5rem 1.5rem 1rem;
    line-height: 1.5;
}

.related-card a {
    display: inline-block;
    margin: 0 1.5rem 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.related-card a:hover {
    color: var(--primary-dark);
    transform: translateX(4px);
}

/* Pagination */
.blog-pagination {
    padding: 3rem 0;
    text-align: center;
}

.pagination-links {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 2rem;
}

.pagination-link {
    padding: 0.5rem 1rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

.pagination-link.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Dynamic Content Styles */
.loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    font-style: italic;
}

.categories-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.category-link {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    background: var(--bg-white);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
}

.category-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

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

.recent-articles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.recent-article {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.recent-article:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.recent-article-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

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

.recent-article-content h4 {
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.recent-article-content h4 a {
    color: var(--text-dark);
    text-decoration: none;
    transition: var(--transition);
}

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

.recent-article-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.featured-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
}

.featured-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.featured-card-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.featured-card-content {
    padding: 2rem;
}

.featured-card-meta {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.no-posts {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.no-posts h3 {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.no-posts p {
    margin-bottom: 2rem;
}

/* Search Section */
.search-section {
    margin-bottom: 3rem;
    text-align: center;
}

.search-form {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    outline: none;
    font-size: 1rem;
    background: transparent;
}

.search-input::placeholder {
    color: var(--text-lighter);
}

.search-btn {
    padding: 1rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.search-btn:hover {
    background: var(--primary-dark);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.blog-grid .blog-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-grid .blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

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

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

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

.blog-grid .blog-category {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-grid .featured-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--secondary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
}

.blog-grid .blog-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-grid .blog-card-content h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
    line-height: 1.4;
}

.blog-grid .blog-card-content p {
    flex: 1;
    margin-bottom: 1rem;
    color: var(--text-light);
    line-height: 1.6;
}

.blog-grid .blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-lighter);
}

.blog-grid .blog-difficulty {
    background: var(--bg-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.blog-grid .blog-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.blog-grid .tag {
    background: var(--bg-light);
    color: var(--text-light);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
}

.blog-grid .blog-card-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    align-self: flex-start;
}

.blog-grid .blog-card-link:hover {
    color: var(--primary-dark);
}

/* Article Sidebar Styles */
/* Proper Sticky TOC Layout */
.blog-article {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
}

/* Two-column layout for TOC and content */
.article-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 3rem;
    align-items: start;
}

/* Sticky TOC Sidebar - within article container */
.article-sidebar {
    position: sticky;
    top: 180px; /* Account for fixed navigation height */
    bottom: 180px;
    height: fit-content;
    max-height: calc(100vh - 100px); /* Account for nav and some padding */
    overflow-y: auto;
    scrollbar-width: none;
    width: 280px;
    align-self: start;
    margin-top:2rem;
    margin-bottom:2rem;
}

.floating-toc {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    /* box-shadow: var(--shadow-lg); */
    border: 1px solid var(--border-color);
    /* margin:2rem 0; */
}

/* Article Content Area */
.article-content {
    max-width: 800px;
    min-width: 0;
}

/* Mobile TOC Toggle Button */
.toc-toggle {
    display: none;
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 56px;
    height: 56px;
    cursor: pointer;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    font-size: 0.9rem;
    font-weight: 600;
}

.toc-toggle:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

/* Mobile TOC Drawer */
.toc-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100vh;
    background: var(--bg-white);
    box-shadow: -2px 0 20px rgba(0, 0, 0, 0.15);
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
    scrollbar-width: none;
}

.toc-drawer.visible {
    right: 0;
}

.toc-drawer-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.toc-drawer-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-light);
    padding: 0.25rem;
}

.toc-drawer-content {
    padding: 1.5rem;
}

.toc-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.toc-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.floating-toc::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    /* background: var(--primary-color); */
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.floating-toc h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.floating-toc h4::before {
    content: '📋';
    font-size: 1rem;
}

.floating-toc .toc-list {
    list-style: none;
    padding: 0;
    margin:  0;
}

.floating-toc .toc-list li {
    margin-bottom: 0.25rem;
}

.floating-toc .toc-list a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border-left: 3px solid transparent;
    position: relative;
    line-height: 1.4;
}

.floating-toc .toc-list a:hover {
    color: var(--primary-color);
    background: rgba(244, 124, 33, 0.08);
    border-left-color: var(--primary-color);
    transform: translateX(2px);
}

.floating-toc .toc-list a.active {
    color: var(--primary-color);
    background: rgba(244, 124, 33, 0.15);
    border-left-color: var(--primary-color);
    border-left-width: 4px;
    transform: translateX(3px);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(244, 124, 33, 0.2);
}

.floating-toc .toc-list .toc-level-3 {
    font-weight: 400;
    padding-left: 1.5rem;
    font-size: 0.85rem;
}

.article-meta-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.meta-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.meta-item:last-child {
    border-bottom: none;
}

.meta-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.meta-value {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 400;
    text-align: right;
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    background: var(--bg-light);
    color: var(--text-dark);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 500;
    transition: var(--transition);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.share-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.share-btn, .copy-link-btn {
    padding: 0.875rem 1.25rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.share-btn:hover, .copy-link-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(244, 124, 33, 0.25);
}

.share-btn:active, .copy-link-btn:active {
    transform: translateY(0);
}

.copy-link-btn {
    background: var(--bg-gray);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

.copy-link-btn:hover {
    background: var(--bg-light);
    border-color: var(--primary-color);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Share button animation effect */
.share-btn::before, .copy-link-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.share-btn:hover::before, .copy-link-btn:hover::before {
    left: 100%;
}

/* Table of Contents */
.table-of-contents {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.table-of-contents h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-dark);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-of-contents h4::before {
    content: '📋';
    font-size: 1rem;
}

.toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 0.5rem;
}

.toc-list a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    display: block;
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.toc-list a:hover {
    color: var(--primary-color);
    background: rgba(244, 124, 33, 0.1);
    border-left-color: var(--primary-color);
    transform: translateX(2px);
}

.toc-list .toc-level-2 {
    font-weight: 500;
}

.toc-list .toc-level-3 {
    font-weight: 400;
    padding-left: 1.5rem;
    font-size: 0.85rem;
}

/* Article CTA Card - Simple and Clean */
.article-cta {
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin: 2.5rem 0;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.article-cta h3 {
    color:white !important;
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
}

.article-cta p {
    color: white !important;
    font-size: 1rem;
    margin: 0 0 1.5rem 0;
    opacity: 0.9;
    line-height: 1.6;
}

.article-cta .btn {
    background: white;
    color: var(--primary-color);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.875rem 2rem;
    display: inline-block;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.article-cta .btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

/* Article End Cards Section */
.article-end-cards {
    padding: 3rem 0;
    background: var(--bg-gray);
}

.article-end-cards-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.article-end-card {
    background: var(--bg-white);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.article-end-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Article Details Card */
.article-details-card h4,
.article-tags-card h4,
.article-share-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.article-details-card h4::before {
    content: '📋';
}

.article-tags-card h4::before {
    content: '🏷️';
}

.article-share-card h4::before {
    content: '📤';
}

.article-details-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.article-detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-light);
}

.article-detail-item:last-child {
    border-bottom: none;
}

.article-detail-label {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
}

.article-detail-value {
    font-size: 0.9rem;
    color: var(--text-dark);
    font-weight: 600;
}

/* Tags Card */
.article-tag-cloud {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.article-tag {
    background: var(--primary-color);
    color: white;
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
}

.article-tag:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

/* Share Card */
.article-share-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.article-share-btn {
    padding: 0.75rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    color: var(--text-dark);
    text-decoration: none;
}

.article-share-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.article-share-btn.full-width {
    grid-column: 1 / -1;
}

/* Responsive adjustments */
@media (min-width: 900px) {
    .toc-toggle {
        display: none; /* Hide toggle on desktop */
    }
}

@media (max-width: 899px) {
    .article-layout {
        grid-template-columns: 1fr; /* Single column on mobile */
        gap: 0;
    }

    .article-sidebar {
        display: none; /* Hide sidebar on mobile */
    }

    .toc-toggle {
        display: flex; /* Show floating toggle button */
        align-items: center;
        justify-content: center;
    }

    .toc-drawer .floating-toc {
        box-shadow: none;
        border: none;
        border-radius: 0;
        padding: 0;
    }

    .toc-drawer-content .toc-list {
        max-height: 60vh;
        overflow-y: auto;
    }

    /* Mobile TOC active states */
    .toc-drawer .toc-list a:hover {
        color: var(--primary-color);
        background: rgba(244, 124, 33, 0.08);
        border-left-color: var(--primary-color);
        transform: translateX(2px);
    }

    .toc-drawer .toc-list a.active {
        color: var(--primary-color);
        background: rgba(244, 124, 33, 0.15);
        border-left-color: var(--primary-color);
        border-left-width: 4px;
        transform: translateX(3px);
        font-weight: 600;
        box-shadow: 0 2px 8px rgba(244, 124, 33, 0.2);
    }

    .article-cta {
        padding: 1.75rem 1.5rem;
        margin: 2rem 0;
    }

    .article-cta h3 {
        font-size: 1.375rem;
    }

    .table-of-contents {
        margin-bottom: 1.5rem;
    }

    .share-buttons {
        flex-direction: row;
        gap: 0.5rem;
    }

    .share-btn, .copy-link-btn {
        flex: 1;
        padding: 0.75rem 1rem;
        font-size: 0.85rem;
    }
}

@media (max-width: 768px) {
    .article-cta {
        padding: 1.5rem 1.25rem;
        margin: 1.75rem 0;
    }

    .article-cta h3 {
        font-size: 1.25rem;
        margin-bottom: 0.875rem;
    }

    .article-cta p {
        font-size: 0.95rem;
        margin-bottom: 1.25rem;
    }

    .article-cta .btn {
        padding: 0.75rem 1.75rem;
        font-size: 0.95rem;
    }

    /* Mobile-specific adjustments */
    .article-sidebar {
        width: 260px; /* Slightly smaller on mobile */
    }

    .toc-toggle {
        left: 0.5rem;
        padding: 0.6rem;
    }

    .toc-toggle.active {
        left: 270px;
    }

    .floating-toc {
        padding: 0.75rem;
    }

    .floating-toc h4 {
        font-size: 1rem;
        margin-bottom: 0.75rem;
    }

    .floating-toc .toc-list a {
        font-size: 0.8rem;
        padding: 0.4rem 0.5rem;
    }

    .table-of-contents {
        padding: 1.25rem;
    }

    .table-of-contents h4 {
        font-size: 1rem;
        margin-bottom: 0.875rem;
    }

    .toc-list a {
        font-size: 0.85rem;
        padding: 0.425rem 0.625rem;
    }

    .toc-list .toc-level-3 {
        padding-left: 1.25rem;
        font-size: 0.8rem;
    }

    /* Article End Cards - Mobile Responsive */
    .article-end-cards {
        padding: 2rem 0;
    }

    .article-end-cards-container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 0 1rem;
    }

    .article-end-card {
        padding: 1.25rem;
    }

    .article-share-buttons {
        grid-template-columns: 1fr;
    }

    .article-share-btn.full-width {
        grid-column: 1;
    }
}

/* Article Content Styles */
.blog-article-content {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
    line-height: 1.8;
}

.blog-article-content h2 {
    margin: 3rem 0 1.5rem;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.3;
}

.blog-article-content h3 {
    margin: 2.5rem 0 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.4;
}

.blog-article-content p {
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.blog-article-content ul, .blog-article-content ol {
    margin-bottom: 1.5rem;
    padding-left: 2rem;
}

.blog-article-content li {
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.blog-article-content blockquote {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, rgba(244, 124, 33, 0.05) 0%, rgba(244, 124, 33, 0.1) 100%);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--radius-lg);
    font-style: italic;
}

/* Apple-inspired Featured Image System */
.featured-image-container {
    position: relative;
    height: 400px;
    overflow: hidden;
    margin: 2rem 0;
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    background: var(--article-gradient, linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%));
    display: flex;
    align-items: center;
    justify-content: center;
}

.featured-image-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.1) 100%);
    z-index: 2;
    pointer-events: none;
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: relative;
    z-index: 1;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.featured-image-container:hover .featured-image {
    transform: scale(1.03);
}

/* Fallback text overlay for missing images */
.featured-image-container::after {
    content: attr(data-title);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--text-light);
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    z-index: 0;
    max-width: 80%;
    line-height: 1.2;
    letter-spacing: -0.02em;
    opacity: 0;
    transition: opacity 0.3s ease;
}

/* Show fallback text when image fails to load */
.featured-image-container[data-image-error="true"]::after {
    opacity: 1;
}

.featured-image-container[data-image-error="true"] {
    background: var(--article-gradient, linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%));
}

/* Article-specific color themes */
[data-theme="fundamentals"] {
    --article-gradient: linear-gradient(135deg, #FF6B6B 0%, #FFE66D 100%);
}

[data-theme="ai-tips"] {
    --article-gradient: linear-gradient(135deg, #4ECDC4 0%, #44A08D 100%);
}

[data-theme="film-production"] {
    --article-gradient: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
}

[data-theme="advertising"] {
    --article-gradient: linear-gradient(135deg, #F093FB 0%, #F5576C 100%);
}

[data-theme="social-media"] {
    --article-gradient: linear-gradient(135deg, #FA709A 0%, #FEE140 100%);
}

[data-theme="privacy"] {
    --article-gradient: linear-gradient(135deg, #f47c21 0%, #c0621b 100%);
}