/* app/static/css/blog.css - PROFESYONEL VERSİYON */

:root {
    --primary: #DB0000;
    --primary-dark: #990000;
    --primary-light: #FFEEEE;
    
    --secondary: #2563EB;
    --secondary-light: #EFF6FF;
    
    --dark: #0F172A;
    --dark-light: #1E293B;
    --gray-900: #0F172A;
    --gray-800: #1E293B;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748B;
    --gray-400: #94A3B8;
    --gray-300: #CBD5E1;
    --gray-200: #E2E8F0;
    --gray-100: #F1F5F9;
    --gray-50: #F8FAFC;
    
    --white: #FFFFFF;
    --black: #000000;
    
    --success: #10B981;
    --warning: #F59E0B;
    --info: #3B82F6;
    --danger: #EF4444;
    
    --radius-sm: 6px;
    --radius: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 6px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.2);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.25);
}

/* Base Styles */
.blog-wrapper {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    padding-top: 140px;
    min-height: 100vh;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.blog-hero-section {
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
    padding: 80px 0 60px;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.blog-hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero-badge-wrapper {
    margin-bottom: 24px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary-light);
    color: var(--primary);
    padding: 10px 20px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 2px solid rgba(219, 0, 0, 0.1);
    box-shadow: var(--shadow-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(219, 0, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(219, 0, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(219, 0, 0, 0); }
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Filter Tabs */
.blog-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.filter-btn {
    padding: 12px 24px;
    background: var(--white);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-weight: 600;
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 14px;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

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

/* Featured Article */
.featured-article-card {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    margin-bottom: 60px;
    border: 1px solid var(--gray-200);
}

.featured-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--dark);
    padding: 8px 16px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
    z-index: 2;
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-image {
    height: 400px;
    position: relative;
    overflow: hidden;
}

.featured-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.featured-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gray-100), var(--gray-200));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 60px;
    color: var(--gray-400);
}

.featured-content {
    padding: 40px;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.category-badge {
    background: var(--secondary-light);
    color: var(--secondary);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 14px;
}

.date, .reading-time {
    color: var(--gray-600);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.featured-title {
    font-size: 32px;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.featured-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.featured-excerpt {
    font-size: 18px;
    color: var(--gray-700);
    margin-bottom: 30px;
    line-height: 1.7;
}

.featured-author {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 30px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--gray-100);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 700;
    color: var(--gray-900);
}

.author-role {
    font-size: 14px;
    color: var(--gray-600);
}

.btn-read-featured {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: var(--white);
    padding: 16px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 16px;
}

.btn-read-featured:hover {
    background: var(--primary-dark);
    transform: translateX(5px);
    box-shadow: var(--shadow-md);
}

/* Article Cards */
.articles-grid {
    margin-bottom: 60px;
}

.article-card {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.modern-article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    transition: all 0.3s ease;
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow);
}

.modern-article-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary);
}

.article-card-inner {
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.article-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modern-article-card:hover .article-overlay {
    opacity: 1;
}

.modern-article-card:hover .article-img {
    transform: scale(1.1);
}

.article-category {
    position: absolute;
    top: 16px;
    right: 16px;
    background: var(--white);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.article-content {
    padding: 24px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--gray-600);
}

.article-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 12px;
    color: var(--gray-900);
}

.article-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.article-excerpt {
    font-size: 14px;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 16px;
    border-top: 1px solid var(--gray-200);
}

.article-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.article-link:hover {
    gap: 12px;
}

.article-stats {
    display: flex;
    gap: 16px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--gray-600);
}

/* Sidebar */
.blog-sidebar {
    position: sticky;
    top: 120px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.widget-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.tools-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.tool-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.3s ease;
}

.tool-item:hover {
    background: var(--gray-50);
    transform: translateX(5px);
}

.tool-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
}

.tool-info {
    display: flex;
    flex-direction: column;
}

.tool-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.tool-desc {
    font-size: 12px;
    color: var(--gray-600);
}

.newsletter-widget {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.newsletter-icon {
    font-size: 32px;
    margin-bottom: 16px;
    text-align: center;
}

.newsletter-desc {
    margin-bottom: 20px;
    opacity: 0.9;
    font-size: 14px;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.form-control {
    padding: 12px 16px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(219, 0, 0, 0.1);
}

.btn-subscribe {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--white);
    color: var(--primary);
    padding: 12px;
    border-radius: var(--radius);
    border: none;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-subscribe:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.popular-posts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.popular-post-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.popular-post-item:hover {
    background: var(--gray-50);
}

.popular-post-number {
    width: 32px;
    height: 32px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 14px;
    flex-shrink: 0;
}

.popular-post-content h6 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1.4;
}

.post-meta {
    font-size: 12px;
    color: var(--gray-600);
    margin-top: 4px;
}

.cta-widget {
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    color: var(--white);
    text-align: center;
}

.cta-content h4 {
    margin-bottom: 12px;
    font-size: 18px;
}

.cta-content p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.btn-premium {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: var(--dark);
    padding: 12px 24px;
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

/* Newsletter Section */
.blog-newsletter-section {
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    color: var(--white);
    padding: 80px 0;
    margin-top: 80px;
}

.newsletter-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap;
}

.newsletter-content h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 12px;
}

.newsletter-content p {
    font-size: 18px;
    opacity: 0.9;
    max-width: 500px;
}

.newsletter-main-form {
    display: flex;
    gap: 12px;
    flex-grow: 1;
    max-width: 500px;
}

.newsletter-main-form input {
    flex-grow: 1;
    padding: 16px 24px;
    border: none;
    border-radius: var(--radius);
    font-size: 16px;
}

.newsletter-main-form button {
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 16px 32px;
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.newsletter-main-form button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Pagination */
.blog-pagination .pagination {
    margin: 0;
}

.blog-pagination .page-item .page-link {
    padding: 12px 20px;
    border: 1px solid var(--gray-200);
    color: var(--gray-700);
    font-weight: 600;
    margin: 0 4px;
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

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

.blog-pagination .page-item .page-link:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* Empty State */
.empty-state {
    padding: 80px 20px;
    text-align: center;
}

.empty-icon {
    font-size: 60px;
    color: var(--gray-400);
    margin-bottom: 24px;
}

.empty-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: 12px;
}

.empty-desc {
    font-size: 16px;
    color: var(--gray-600);
    max-width: 400px;
    margin: 0 auto;
}

/* Article Detail Styles */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gray-200);
    z-index: 9999;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.1s;
}

.article-hero {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, var(--white) 0%, var(--gray-50) 100%);
}

.article-breadcrumb {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    font-size: 14px;
    color: var(--gray-600);
}

.article-breadcrumb a {
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.3s ease;
}

.article-breadcrumb a:hover {
    color: var(--primary);
}

.article-breadcrumb i {
    font-size: 12px;
}

.article-header {
    max-width: 800px;
    margin: 0 auto;
}

.article-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.article-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 600;
}

.article-category-badge {
    background: var(--primary-light);
    color: var(--primary);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.article-title {
    font-size: 48px;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 30px;
    color: var(--gray-900);
    letter-spacing: -0.5px;
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--gray-200);
    flex-wrap: wrap;
    gap: 20px;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--white);
    box-shadow: var(--shadow);
}

.author-name {
    font-weight: 700;
    color: var(--gray-900);
    font-size: 16px;
}

.author-bio {
    font-size: 14px;
    color: var(--gray-600);
}

.meta-stats {
    display: flex;
    gap: 24px;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray-600);
    font-size: 14px;
}

/* Article Content */
.article-content-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
}

.article-featured-image {
    margin-bottom: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.featured-img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.image-caption {
    text-align: center;
    font-size: 14px;
    color: var(--gray-600);
    margin-top: 12px;
    font-style: italic;
}

.article-body {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray-800);
}

.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    margin-top: 48px;
    margin-bottom: 24px;
    color: var(--gray-900);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-200);
}

.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    margin-top: 36px;
    margin-bottom: 20px;
    color: var(--gray-900);
}

.article-body p {
    margin-bottom: 24px;
}

.article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 32px 0;
    box-shadow: var(--shadow);
}

.article-body pre {
    background: var(--dark);
    color: var(--white);
    padding: 24px;
    border-radius: var(--radius);
    overflow-x: auto;
    margin: 32px 0;
}

.article-body code {
    font-family: 'Courier New', monospace;
    background: var(--gray-100);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 16px;
}

.article-body blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 24px;
    margin: 32px 0;
    font-style: italic;
    color: var(--gray-700);
    background: var(--gray-50);
    padding: 24px;
    border-radius: 0 var(--radius) var(--radius) 0;
}

/* Article Tools */
.article-tools {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    margin: 40px 0;
    border-top: 1px solid var(--gray-200);
    border-bottom: 1px solid var(--gray-200);
}

.tool-group {
    display: flex;
    gap: 12px;
}

.tool-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid var(--gray-300);
    background: var(--white);
    color: var(--gray-700);
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

.share-buttons {
    display: flex;
    align-items: center;
    gap: 16px;
}

.share-label {
    font-weight: 600;
    color: var(--gray-700);
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: transform 0.3s ease;
}

.share-btn:hover {
    transform: translateY(-2px);
}

.share-btn.twitter { background: #1DA1F2; }
.share-btn.linkedin { background: #0077B5; }
.share-btn.facebook { background: #4267B2; }
.share-btn.whatsapp { background: #25D366; }

/* Author Box */
.author-box {
    display: flex;
    gap: 24px;
    padding: 32px;
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    margin: 40px 0;
    border: 1px solid var(--gray-200);
}

.author-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
}

.author-avatar-large img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-details h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--gray-900);
}

.author-description {
    color: var(--gray-700);
    margin-bottom: 16px;
    line-height: 1.6;
}

.author-social {
    display: flex;
    gap: 12px;
}

.author-social a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--white);
    border: 1px solid var(--gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.3s ease;
}

.author-social a:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* Related Articles */
.related-articles {
    margin: 60px 0;
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--gray-900);
    display: flex;
    align-items: center;
    gap: 12px;
}

.related-article-card {
    display: flex;
    gap: 16px;
    padding: 16px;
    border-radius: var(--radius);
    transition: all 0.3s ease;
    margin-bottom: 16px;
}

.related-article-card:hover {
    background: var(--gray-50);
    transform: translateX(5px);
}

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

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

.related-content h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}

.related-content h4 a {
    color: var(--gray-900);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.related-meta {
    display: flex;
    gap: 16px;
    font-size: 13px;
    color: var(--gray-600);
}

/* Comments Section */
.comments-section {
    background: var(--gray-50);
    padding: 60px 0;
    margin-top: 60px;
    border-top: 1px solid var(--gray-200);
}

.comments-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
}

.comments-count {
    background: var(--primary);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 700;
}

.comment-form-wrapper {
    background: var(--white);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 40px;
    box-shadow: var(--shadow);
}

.comment-form-wrapper h4 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--gray-900);
}

.comment-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.btn-submit-comment {
    align-self: flex-start;
    background: var(--primary);
    color: var(--white);
    border: none;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.btn-submit-comment:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Sidebar Widgets for Detail */
.toc-widget .toc-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.toc-list li {
    margin-bottom: 8px;
}

.toc-list a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius);
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 14px;
    border-left: 3px solid transparent;
}

.toc-list a:hover {
    background: var(--gray-50);
    color: var(--primary);
    border-left-color: var(--primary);
}

.toc-h2 {
    font-weight: 600;
    padding-left: 16px;
}

.toc-h3 {
    font-weight: 400;
    padding-left: 32px;
    font-size: 13px;
}

.quick-tools {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.quick-tool {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.3s ease;
}

.quick-tool:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    transform: translateX(5px);
}

.tool-icon {
    width: 40px;
    height: 40px;
    background: var(--gray-100);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 18px;
}

.tool-name {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 14px;
}

.tool-status {
    font-size: 12px;
    color: var(--gray-600);
}

.ad-widget {
    background: linear-gradient(135deg, var(--secondary), #1D4ED8);
    color: var(--white);
    text-align: center;
    position: relative;
}

.ad-badge {
    position: absolute;
    top: -8px;
    right: 16px;
    background: var(--warning);
    color: var(--dark);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    font-weight: 700;
}

.ad-content h5 {
    font-size: 18px;
    margin-bottom: 8px;
}

.ad-content p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.btn-premium-sm {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    color: var(--secondary);
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-premium-sm:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
}

.newsletter-sidebar {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
    text-align: center;
}

.newsletter-icon-side {
    font-size: 32px;
    margin-bottom: 16px;
}

.newsletter-sidebar h4 {
    font-size: 18px;
    margin-bottom: 8px;
}

.newsletter-sidebar p {
    font-size: 14px;
    opacity: 0.9;
    margin-bottom: 20px;
}

.sidebar-newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-newsletter-form input {
    padding: 12px 16px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
}

.sidebar-newsletter-form button {
    background: var(--white);
    color: var(--primary);
    border: none;
    padding: 12px;
    border-radius: var(--radius);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all 0.3s ease;
}

.sidebar-newsletter-form button:hover {
    background: var(--gray-100);
}

.popular-side-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.popular-side-item {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    padding: 12px;
    border-radius: var(--radius);
    transition: all 0.3s ease;
}

.popular-side-item:hover {
    background: var(--gray-50);
}

.popular-side-rank {
    width: 28px;
    height: 28px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 12px;
    flex-shrink: 0;
}

.popular-side-content h6 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    line-height: 1.4;
}

.popular-side-meta {
    display: flex;
    gap: 12px;
    font-size: 12px;
    color: var(--gray-600);
    margin-top: 4px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .blog-wrapper {
        padding-top: 100px;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .featured-title {
        font-size: 28px;
    }
    
    .article-title {
        font-size: 36px;
    }
    
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .meta-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .author-box {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .featured-image {
        height: 300px;
    }
    
    .featured-content {
        padding: 24px;
    }
    
    .featured-title {
        font-size: 24px;
    }
    
    .article-title {
        font-size: 28px;
    }
    
    .article-content-wrapper {
        padding: 24px;
    }
    
    .article-body {
        font-size: 16px;
    }
    
    .article-body h2 {
        font-size: 24px;
    }
    
    .article-body h3 {
        font-size: 20px;
    }
    
    .article-tools {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }
    
    .share-buttons {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .blog-filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 8px;
    }
    
    .filter-btn {
        white-space: nowrap;
    }
    
    .article-hero {
        padding: 40px 0 30px;
    }
    
    .article-header {
        padding: 0;
    }
    
    .article-breadcrumb {
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 8px;
    }
}