/* Professional Blog CSS - Medium/LinkedIn Style */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;
    --hover-color: #f8fafc;
    --success-color: #10b981;
    --error-color: #ef4444;
    --warning-color: #f59e0b;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --transition: all 0.2s ease-in-out;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
}

/* Navigation */
.navbar {
    position: sticky;
    top: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.1rem;
}

.nav-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

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

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1.5rem;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
    border-radius: 1px;
}

.nav-search {
    position: relative;
    display: flex;
    align-items: center;
}

.nav-search i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.nav-search input {
    padding: 0.5rem 1rem 0.5rem 2.5rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 0.9rem;
    width: 500px;
    transition: var(--transition);
}

.nav-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #667eea08 0%, #764ba208 50%, #f093fb08 100%);
    padding: 1.25rem 0;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-icon {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 0.4rem;
    animation: bounceIn 1s ease-out;
}

.hero-icon i {
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 0.4rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: slideInLeft 0.8s ease-out;
}

.hero-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
    animation: slideInRight 0.8s ease-out;
}

/* Hero Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.1);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Filter Section */
.filter-section {
    background: var(--bg-primary);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 140px;
    z-index: 99;
}

.filter-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
}

.filter-tab {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
    font-weight: 500;
    font-size: 0.9rem;
}

.filter-tab:hover {
    background: var(--hover-color);
    border-color: var(--primary-color);
}

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

.filter-sort select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}

/* Featured Section */
.featured-section {
    background: var(--bg-secondary);
    padding: 3rem 0;
}

.featured-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.featured-article {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.featured-content h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.featured-content .excerpt {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.featured-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.featured-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.featured-author img {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
}

.featured-stats {
    display: flex;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
}

.read-more-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

.featured-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

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

/* Main Content */
.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

/* Blog List - Row Layout */
.blog-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Blog Row Item */
.blog-row {
    display: flex;
    gap: 2rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: inherit;
}

.blog-row:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
    transform: translateX(4px);
}

.blog-row-image {
    flex-shrink: 0;
    width: 280px;
    height: 180px;
    border-radius: var(--border-radius);
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.blog-row-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.blog-row-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.blog-category-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

.blog-content-type {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
}

.blog-row-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    line-height: 1.3;
    color: var(--text-primary);
}

.blog-row-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    line-clamp: 2;
    overflow: hidden;
}

.blog-row-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
}

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

.blog-row-author {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.blog-row-author img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
}

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

.blog-row-author-name {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.blog-row-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.blog-row-stats {
    display: flex;
    gap: 1.5rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.blog-row-stats span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.blog-row-stats i {
    color: var(--primary-color);
}

/* Old card styles kept for backward compatibility */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.blog-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

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

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
}

.blog-content {
    padding: 1.5rem;
}

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

.blog-excerpt {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    line-clamp: 3;
    overflow: hidden;
}

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

.blog-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.blog-stats {
    display: flex;
    gap: 1rem;
}

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

.blog-tags .tag {
    font-size: 0.75rem;
}

/* Loading Spinner */
.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    grid-column: 1 / -1;
}

.loading-spinner i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Load More Button */
.load-more-section {
    text-align: center;
}

.load-more-btn {
    padding: 0.75rem 2rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.load-more-btn:hover {
    background: var(--secondary-color);
}

/* Blog Modal */
.blog-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 900px;
    max-height: 90vh;
    margin: 2rem auto;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.modal-close:hover {
    background: rgba(0, 0, 0, 0.2);
}

.modal-body {
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
}

/* Blog Content Styles */
.blog-full-content {
    max-width: 700px;
    margin: 0 auto;
}

.blog-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
}

.blog-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.blog-header .excerpt {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.blog-author-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
}

.author-details h3 {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-details p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.blog-actions {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 1rem 0;
}

.action-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    color: var(--text-secondary);
}

.action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.blog-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-primary);
}

.blog-body h1,
.blog-body h2,
.blog-body h3,
.blog-body h4 {
    margin: 2rem 0 1rem;
    color: var(--text-primary);
}

.blog-body h1 {
    font-size: 2rem;
}

.blog-body h2 {
    font-size: 1.75rem;
}

.blog-body h3 {
    font-size: 1.5rem;
}

.blog-body p {
    margin-bottom: 1.5rem;
}

.blog-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    margin: 2rem 0;
}

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

.blog-body code {
    background: var(--bg-tertiary);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
}

.blog-body pre {
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    overflow-x: auto;
    margin: 2rem 0;
}

.blog-body pre code {
    background: none;
    padding: 0;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 100;
}

.back-to-top:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
    animation: footerFadeIn 1s ease-out;
}

@keyframes footerFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 700;
    animation: slideInFromLeft 0.8s ease-out 0.2s both;
}

@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.footer-section h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    font-weight: 600;
    animation: slideInFromRight 0.8s ease-out 0.3s both;
}

@keyframes slideInFromRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.footer-section p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
}

.footer-tagline {
    animation: slideInFromLeft 0.8s ease-out 0.4s both;
    background: linear-gradient(90deg, #fff, #ffd700, #fff);
    background-size: 200% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 3s ease-in-out infinite;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    font-size: 1.2rem;
    transition: var(--transition);
    animation: popIn 0.5s ease-out both;
}

.footer-social a:nth-child(1) {
    animation-delay: 0.5s;
}

.footer-social a:nth-child(2) {
    animation-delay: 0.6s;
}

.footer-social a:nth-child(3) {
    animation-delay: 0.7s;
}

@keyframes popIn {
    0% {
        opacity: 0;
        transform: scale(0);
    }
    70% {
        transform: scale(1.1);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

.footer-social a:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    padding-top: 1.5rem;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    animation: fadeInUp 1s ease-out 0.8s both;
}

/* Search Section (Both Desktop & Mobile) */
.search-section {
    background: var(--bg-primary);
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 101;
}

.search-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.search-box-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    max-width: 600px;
    margin: 0 auto;
}

.search-box-wrapper i {
    position: absolute;
    left: 1rem;
    color: var(--text-muted);
    font-size: 1rem;
}

.search-box-wrapper input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.search-box-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgb(99 102 241 / 0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .navbar {
        padding: 0.5rem 0;
    }
    
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-brand {
        font-size: 1rem;
    }
    
    .nav-avatar {
        width: 30px;
        height: 30px;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
    
    .nav-search {
        display: none;
    }
    
    .search-section {
        top: 60px;
        padding: 0.75rem 0;
    }
    
    .search-container {
        padding: 0 1rem;
    }
    
    .search-box-wrapper input {
        padding: 0.5rem 1rem 0.5rem 2.5rem;
        font-size: 0.9rem;
    }
    
    .search-box-wrapper i {
        font-size: 0.85rem;
    }
    
    .nav-menu {
        gap: 1rem;
    }
    
    .hero-section {
        padding: 0.85rem 0;
    }
    
    .hero-icon {
        font-size: 1.35rem;
        margin-bottom: 0.2rem;
    }
    
    .hero-title {
        font-size: 1.15rem;
        margin-bottom: 0.2rem;
    }
    
    .hero-subtitle {
        font-size: 0.8rem;
        padding: 0 1rem;
    }
    
    .filter-section {
        top: 118px;
        padding: 0.75rem 0;
    }
    
    .filter-container {
        flex-direction: column;
        gap: 0.5rem;
        padding: 0 1rem;
    }
    
    .filter-tabs {
        gap: 0.4rem;
    }
    
    .filter-tab {
        padding: 0.35rem 0.65rem;
        font-size: 0.8rem;
    }
    
    .filter-sort select {
        padding: 0.35rem 0.65rem;
        font-size: 0.8rem;
    }
    
    .featured-article {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .featured-content h2 {
        font-size: 1.5rem;
    }
    
    .footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .footer-container {
        padding: 0 1rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .footer-section h3 {
        font-size: 1.25rem;
    }
    
    .footer-section h4 {
        font-size: 1rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .main-content {
        padding: 2rem 1rem;
    }
    
    /* Row layout responsive */
    .blog-row {
        flex-direction: column;
        gap: 1rem;
    }
    
    .blog-row-image {
        width: 100%;
        height: 200px;
    }
    
    .blog-row-title {
        font-size: 1.25rem;
    }
    
    .blog-row-footer {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem auto;
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .blog-header h1 {
        font-size: 1.75rem;
    }
    
    .blog-body {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .filter-tabs {
        flex-wrap: wrap;
    }
    
    .blog-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

/* GitHub Blog System - Additional Styles */
.blog-featured-badge {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.blog-featured-badge i {
    font-size: 0.65rem;
}

.tag-small {
    padding: 0.15rem 0.5rem;
    border-radius: 10px;
    font-size: 0.7rem;
    font-weight: 500;
}

.blog-row-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.blog-share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.blog-share-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.blog-share-btn:active {
    transform: scale(0.95);
}

.blog-row-placeholder {
    min-width: 280px;
    min-height: 180px;
}