/* Blog Article Styles - Professional Technical Blog
   ================================================== */

/* Typography Variables */
:root {
    --font-display: 'Manrope', sans-serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    
    /* Professional Color Palette */
    --bg-primary: #0a0e14;
    --bg-secondary: #161b22;
    --bg-tertiary: #0d1117;
    --border-primary: #30363d;
    --border-secondary: #21262d;
    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-tertiary: #6e7681;
    --accent-green: #3fb950;
    --accent-blue: #58a6ff;
}

/* ============================================
   READING PROGRESS BAR
   ============================================ */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, #3fb950, #58a6ff, #3fb950);
    z-index: 9999;
    transition: width 0.15s ease-out;
    box-shadow: 0 0 10px rgba(63, 185, 80, 0.5);
}

/* ============================================
   ARTICLE LAYOUT
   ============================================ */
.article-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 760px;
    margin: 0 auto;
}

@media (min-width: 1280px) {
    .article-container {
        grid-template-columns: 200px 1fr;
        max-width: 1100px;
        gap: 4rem;
    }
}

/* ============================================
   TABLE OF CONTENTS - SIDEBAR
   ============================================ */
.toc-sidebar {
    display: none;
}

@media (min-width: 1280px) {
    .toc-sidebar {
        display: block;
        position: sticky;
        top: 100px;
        height: fit-content;
        max-height: calc(100vh - 140px);
        overflow-y: auto;
        padding-right: 1.5rem;
    }

    .toc-sidebar::-webkit-scrollbar {
        width: 4px;
    }

    .toc-sidebar::-webkit-scrollbar-track {
        background: transparent;
    }

    .toc-sidebar::-webkit-scrollbar-thumb {
        background: var(--border-subtle);
        border-radius: 2px;
    }
}

.toc-title {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
}

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

.toc-list li {
    margin-bottom: 0.375rem;
}

.toc-link {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    padding: 0.5rem 0;
    padding-left: 1rem;
    border-left: 2px solid transparent;
    transition: all 0.2s ease;
    line-height: 1.5;
}

.toc-link:hover {
    color: var(--text-primary);
    border-left-color: var(--border-tech);
}

.toc-link.active {
    color: var(--terminal-green);
    border-left-color: var(--terminal-green);
    background: rgba(63, 185, 80, 0.05);
}

/* Mobile TOC */
.toc-mobile {
    display: block;
    margin-bottom: 2.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border-tech);
    border-radius: 8px;
    overflow: hidden;
}

@media (min-width: 1280px) {
    .toc-mobile {
        display: none;
    }
}

.toc-mobile-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.25rem;
    cursor: pointer;
    background: var(--bg-card);
    border: none;
    width: 100%;
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--font-sans);
}

.toc-mobile-header:hover {
    background: var(--bg-card-hover);
}

.toc-mobile-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-darker);
}

.toc-mobile-content.open {
    max-height: 500px;
}

.toc-mobile-content .toc-list {
    padding: 0.75rem 1.25rem 1.25rem;
}

/* ============================================
   ARTICLE HEADER
   ============================================ */
.article-header {
    margin-bottom: 3.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-tech);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.875rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    font-family: var(--font-mono);
}

.article-category {
    display: inline-flex;
    align-items: center;
    padding: 0.3rem 0.75rem;
    background: rgba(63, 185, 80, 0.1);
    color: var(--terminal-green);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(63, 185, 80, 0.2);
}

.article-title {
    font-size: 2.75rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 1.75rem;
    font-family: var(--font-serif);
    letter-spacing: -0.02em;
}

@media (min-width: 768px) {
    .article-title {
        font-size: 3.25rem;
    }
}

.article-excerpt {
    font-size: 1.25rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 2.5rem;
    font-family: var(--font-sans);
}

/* Author Card */
.author-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 8px;
}

.author-avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-tech);
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.author-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
    text-decoration: none;
    font-family: var(--font-sans);
}

.author-name:hover {
    color: var(--terminal-green);
}

.author-role {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   ARTICLE CONTENT
   ============================================ */
.article-content {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-primary);
    font-family: var(--font-sans);
}

.article-content > *:first-child {
    margin-top: 0;
}

.article-content h2 {
    font-size: 1.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 3.5rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.625rem;
    border-bottom: 1px solid var(--border-subtle);
    scroll-margin-top: 100px;
    font-family: var(--font-serif);
    letter-spacing: -0.01em;
}

.article-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    scroll-margin-top: 100px;
    font-family: var(--font-sans);
}

.article-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    font-family: var(--font-sans);
}

.article-content p {
    margin-bottom: 1.625rem;
}

.article-content a {
    color: var(--tech-cyan);
    text-decoration: none;
    border-bottom: 1px solid rgba(88, 166, 255, 0.3);
    transition: border-color 0.2s ease;
}

.article-content a:hover {
    border-bottom-color: var(--tech-cyan);
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.625rem;
    padding-left: 1.75rem;
}

.article-content li {
    margin-bottom: 0.625rem;
}

.article-content li::marker {
    color: var(--terminal-green);
}

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

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

/* ============================================
   CALLOUT BOXES
   ============================================ */
.callout {
    padding: 1.25rem 1.5rem;
    border-radius: 8px;
    margin: 2rem 0;
    border-left: 4px solid;
    background: var(--bg-card);
}

.callout-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.625rem;
    font-family: var(--font-mono);
}

.callout-content {
    font-size: 0.95rem;
    line-height: 1.7;
}

.callout-content p:last-child,
.callout-content ul:last-child,
.callout-content ol:last-child {
    margin-bottom: 0;
}

.callout-content ul,
.callout-content ol {
    margin-top: 0.5rem;
    margin-bottom: 0;
}

/* Note */
.callout-note {
    background: rgba(56, 139, 253, 0.08);
    border-left-color: #388bfd;
}

.callout-note .callout-title {
    color: #388bfd;
}

/* Tip */
.callout-tip {
    background: rgba(63, 185, 80, 0.08);
    border-left-color: var(--terminal-green);
}

.callout-tip .callout-title {
    color: var(--terminal-green);
}

/* Warning */
.callout-warning {
    background: rgba(210, 153, 34, 0.08);
    border-left-color: #d29922;
}

.callout-warning .callout-title {
    color: #d29922;
}

/* Caution / Danger */
.callout-caution {
    background: rgba(248, 81, 73, 0.08);
    border-left-color: #f85149;
}

.callout-caution .callout-title {
    color: #f85149;
}

/* Enhanced Callouts for Article Content Pro */
.article-content-pro .callout {
    padding: 1.5rem 1.75rem;
    border-radius: 10px;
    margin: 2.5rem 0;
    border-left: 4px solid;
    background: var(--bg-secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    position: relative;
}

.article-content-pro .callout::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, currentColor, transparent);
    opacity: 0.3;
}

.article-content-pro .callout-title {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    font-weight: 700;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
    font-family: var(--font-mono);
}

.article-content-pro .callout-content {
    font-size: 0.975rem;
    line-height: 1.7;
}

.article-content-pro .callout-content p:last-child,
.article-content-pro .callout-content ul:last-child,
.article-content-pro .callout-content ol:last-child {
    margin-bottom: 0;
}

.article-content-pro .callout-content ul,
.article-content-pro .callout-content ol {
    margin-top: 0.75rem;
    margin-bottom: 0;
}

.article-content-pro .callout-content ul li,
.article-content-pro .callout-content ol li {
    margin-bottom: 0.625rem;
}

/* Note callout */
.article-content-pro .callout-note {
    background: rgba(56, 139, 253, 0.08);
    border-left-color: #388bfd;
}

.article-content-pro .callout-note .callout-title {
    color: #58a6ff;
}

/* Tip callout */
.article-content-pro .callout-tip {
    background: rgba(63, 185, 80, 0.08);
    border-left-color: var(--accent-green);
}

.article-content-pro .callout-tip .callout-title {
    color: var(--accent-green);
}

/* Warning callout */
.article-content-pro .callout-warning {
    background: rgba(210, 153, 34, 0.08);
    border-left-color: #d29922;
}

.article-content-pro .callout-warning .callout-title {
    color: #f0b72f;
}

/* Caution callout */
.article-content-pro .callout-caution {
    background: rgba(248, 81, 73, 0.08);
    border-left-color: #f85149;
}

.article-content-pro .callout-caution .callout-title {
    color: #ff7b72;
}

/* ============================================
   CODE BLOCKS
   ============================================ */
.article-content code {
    background: var(--bg-code);
    padding: 0.2em 0.45em;
    border-radius: 4px;
    font-size: 0.875em;
    color: var(--tech-cyan);
    border: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
}

.article-content pre {
    background: var(--bg-code);
    border: 1px solid var(--border-tech);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2rem 0;
    position: relative;
}

.article-content pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.65;
}

.code-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.625rem 1rem;
    background: var(--border-subtle);
    border-bottom: 1px solid var(--border-tech);
    border-radius: 8px 8px 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================
   FIGURES & IMAGES
   ============================================ */
.article-content figure {
    margin: 2.5rem 0;
}

.article-content figure img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-tech);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-content figure img:hover {
    transform: scale(1.01);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.article-content figcaption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
    font-style: italic;
    font-family: var(--font-sans);
}

/* ============================================
   TABLES
   ============================================ */
.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
    font-size: 0.9rem;
    border: 1px solid var(--border-tech);
    border-radius: 8px;
    overflow: hidden;
}

.article-content thead {
    background: var(--bg-card);
}

.article-content th {
    text-align: left;
    padding: 0.875rem 1rem;
    font-weight: 600;
    color: var(--terminal-green);
    border-bottom: 2px solid var(--border-tech);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: var(--font-mono);
}

.article-content td {
    padding: 0.875rem 1rem;
    border-bottom: 1px solid var(--border-subtle);
}

.article-content tbody tr:last-child td {
    border-bottom: none;
}

.article-content tbody tr:hover {
    background: var(--bg-card-hover);
}

/* ============================================
   ARTICLE FOOTER
   ============================================ */
.article-footer {
    margin-top: 4rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--border-tech);
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2.5rem;
}

.article-tag {
    display: inline-block;
    padding: 0.4rem 0.875rem;
    background: var(--bg-card);
    border: 1px solid var(--border-tech);
    border-radius: 4px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    transition: all 0.2s ease;
}

.article-tag:hover {
    background: var(--bg-card-hover);
    color: var(--terminal-green);
    border-color: rgba(63, 185, 80, 0.3);
}

/* Share Section */
.share-section {
    background: var(--bg-card);
    border: 1px solid var(--border-tech);
    border-radius: 12px;
    padding: 1.75rem;
    margin-top: 2rem;
}

.share-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-family: var(--font-sans);
}

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

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1rem;
    background: var(--bg-dark);
    border: 1px solid var(--border-tech);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.2s ease;
    font-family: var(--font-sans);
    cursor: pointer;
}

.share-btn:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border-color: var(--text-muted);
}

/* ============================================
   FILTER BUTTONS (Blog listing)
   ============================================ */
.filter-btn {
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-btn:hover:not(.active) {
    background: var(--bg-card-hover);
    border-color: var(--text-muted);
}

.filter-btn.active {
    background: var(--terminal-green);
    color: var(--bg-dark);
    border-color: var(--terminal-green);
    font-weight: 500;
}

/* ============================================
   LINE CLAMP UTILITIES
   ============================================ */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================
   BLOG/PROJECTS GRID (Shared for Projects Page)
   ============================================ */
.blog-grid {
    display: grid;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-grid-card {
    background: var(--bg-card);
    border: 1px solid var(--border-tech);
    border-radius: 10px;
    overflow: hidden;
    transition: all 0.25s ease;
    display: flex;
    flex-direction: column;
}

.blog-grid-card:hover {
    border-color: var(--terminal-green);
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.blog-grid-card-image {
    display: block;
    width: 100%;
    height: 160px;
    overflow: hidden;
    background: var(--bg-darker);
}

.blog-grid-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.blog-grid-card-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
}

.blog-grid-card-placeholder svg {
    width: 32px;
    height: 32px;
    opacity: 0.5;
}

.blog-grid-card-content {
    padding: 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-grid-card-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.blog-grid-card-category {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--terminal-green);
    letter-spacing: 0.03em;
}

.blog-grid-card-date {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.blog-grid-card-date::before {
    content: "•";
    margin-right: 0.5rem;
    color: var(--border-tech);
}

.blog-grid-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    margin: 0 0 0.75rem 0;
}

.blog-grid-card-title a {
    color: var(--text-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.blog-grid-card-title a:hover {
    color: var(--terminal-green);
}

.blog-grid-card-excerpt {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem 0;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-grid-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-subtle);
}

.blog-grid-card-readtime {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.blog-grid-card-readtime svg {
    width: 14px;
    height: 14px;
}

/* ============================================
   PROFESSIONAL BLOG ARTICLE LAYOUT (-pro)
   ============================================ */

.article-container-pro {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

@media (min-width: 1280px) {
    .article-container-pro {
        grid-template-columns: 220px 1fr;
        max-w-7xl;
        gap: 4rem;
    }
}

/* Table of Contents - Professional */
.toc-sidebar-pro {
    display: none;
}

@media (min-width: 1280px) {
    .toc-sidebar-pro {
        display: block;
    }
    
    .toc-sticky {
        position: sticky;
        top: 100px;
        height: fit-content;
        max-height: calc(100vh - 140px);
        overflow-y: auto;
        padding-right: 1rem;
    }
    
    .toc-sticky::-webkit-scrollbar {
        width: 3px;
    }
    
    .toc-sticky::-webkit-scrollbar-track {
        background: transparent;
    }
    
    .toc-sticky::-webkit-scrollbar-thumb {
        background: var(--border-secondary);
        border-radius: 2px;
    }
}

.toc-title-pro {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--text-tertiary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-secondary);
    font-family: var(--font-mono);
}

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

.toc-list-pro li {
    margin-bottom: 0;
}

.toc-link-pro {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    padding: 0.625rem 0;
    padding-left: 1rem;
    border-left: 2px solid transparent;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1.5;
}

.toc-link-pro:hover {
    color: var(--text-primary);
    border-left-color: var(--border-primary);
    padding-left: 1.25rem;
}

.toc-link-pro.active {
    color: var(--accent-green);
    border-left-color: var(--accent-green);
    background: rgba(63, 185, 80, 0.05);
    font-weight: 600;
}

/* Article Main Content */
.article-main-pro {
    max-width: 800px;
}

/* Article Header - Professional */
.article-header-pro {
    margin-bottom: 4rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid var(--border-primary);
}

.article-meta-pro {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 2rem;
    font-family: var(--font-mono);
}

.article-category-pro {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 0.875rem;
    background: rgba(63, 185, 80, 0.12);
    color: var(--accent-green);
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(63, 185, 80, 0.25);
}

.article-title-pro {
    font-size: 3rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.15;
    margin-bottom: 2rem;
    font-family: var(--font-display);
    letter-spacing: -0.03em;
}

@media (min-width: 768px) {
    .article-title-pro {
        font-size: 3.5rem;
    }
}

.article-excerpt-pro {
    font-size: 1.35rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 2.5rem;
    font-weight: 400;
    font-family: var(--font-sans);
}

/* Author Card - Professional */
.author-card-pro {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
}

.author-avatar-pro {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--border-primary);
}

.author-info-pro {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.author-name-pro {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.author-name-pro:hover {
    color: var(--accent-green);
}

.author-role-pro {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

/* Article Content - Professional */
.article-content-pro {
    font-size: 1.0625rem;
    line-height: 1.75;
    color: #c9d1d9;
    font-family: var(--font-sans);
    font-weight: 400;
}

.article-content-pro > *:first-child {
    margin-top: 0;
}

/* Section Headings with numbering aesthetic */
.article-content-pro h2 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 4.5rem;
    margin-bottom: 1.75rem;
    padding: 1rem 0 1rem 1.25rem;
    border-left: 4px solid var(--accent-green);
    background: linear-gradient(90deg, rgba(63, 185, 80, 0.08) 0%, transparent 100%);
    border-radius: 0 8px 8px 0;
    scroll-margin-top: 100px;
    font-family: var(--font-display);
    letter-spacing: -0.02em;
    position: relative;
}

.article-content-pro h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--accent-green), var(--accent-blue));
}

.article-content-pro h3 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 3rem;
    margin-bottom: 1.25rem;
    scroll-margin-top: 100px;
    font-family: var(--font-display);
    padding-left: 0.75rem;
    border-left: 3px solid rgba(88, 166, 255, 0.4);
}

.article-content-pro h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--accent-blue);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.95rem;
}

.article-content-pro p {
    margin-bottom: 1.75rem;
    text-align: justify;
    text-justify: inter-word;
}

.article-content-pro a {
    color: var(--accent-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(88, 166, 255, 0.4);
    transition: all 0.2s ease;
    font-weight: 500;
}

.article-content-pro a:hover {
    border-bottom-color: var(--accent-blue);
    color: #79c0ff;
}

/* Lists with better styling */
.article-content-pro ul,
.article-content-pro ol {
    margin-bottom: 2rem;
    padding-left: 0;
    list-style: none;
}

.article-content-pro ul li,
.article-content-pro ol li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
}

.article-content-pro ul li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: bold;
    font-size: 1.2em;
}

.article-content-pro ol {
    counter-reset: item;
}

.article-content-pro ol li::before {
    content: counter(item) ".";
    counter-increment: item;
    position: absolute;
    left: 0;
    color: var(--accent-green);
    font-weight: 700;
    font-family: var(--font-mono);
}

.article-content-pro strong {
    font-weight: 700;
    color: var(--text-primary);
    background: linear-gradient(180deg, transparent 60%, rgba(63, 185, 80, 0.15) 60%);
}

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

.article-content-pro code {
    background: rgba(110, 118, 129, 0.15);
    padding: 0.2em 0.5em;
    border-radius: 4px;
    font-size: 0.9em;
    color: #79c0ff;
    border: 1px solid rgba(88, 166, 255, 0.2);
    font-family: var(--font-mono);
    font-weight: 500;
}

.article-content-pro pre {
    background: #0d1117;
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 2.5rem 0;
    position: relative;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.article-content-pro pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-green), var(--accent-blue));
}

.article-content-pro pre code {
    background: transparent;
    padding: 0;
    border: none;
    color: #c9d1d9;
    font-size: 0.9rem;
    line-height: 1.6;
    font-weight: 400;
}

/* Figures with technical styling */
.article-content-pro figure {
    margin: 3.5rem 0;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
}

.article-content-pro figure img {
    width: 100%;
    border-radius: 8px;
    border: 1px solid var(--border-primary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-content-pro figure img:hover {
    transform: scale(1.02);
    box-shadow: 0 20px 60px -10px rgba(63, 185, 80, 0.2);
}

.article-content-pro figcaption {
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 1rem;
    font-style: italic;
    font-weight: 500;
    font-family: var(--font-mono);
}

/* Blockquotes */
.article-content-pro blockquote {
    margin: 2.5rem 0;
    padding: 1.5rem 1.5rem 1.5rem 2rem;
    border-left: 4px solid var(--accent-blue);
    background: rgba(88, 166, 255, 0.05);
    border-radius: 0 8px 8px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content-pro blockquote p:last-child {
    margin-bottom: 0;
}

/* Horizontal Rules */
.article-content-pro hr {
    margin: 3.5rem 0;
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-primary), transparent);
    position: relative;
}

.article-content-pro hr::after {
    content: '◆';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-primary);
    padding: 0 1rem;
    color: var(--accent-green);
    font-size: 0.75rem;
}

/* Grid layouts for side-by-side content */
.article-content-pro .grid {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

@media (min-width: 768px) {
    .article-content-pro .grid.md\\:grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Keyboard key styling */
.article-content-pro kbd {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    font-size: 0.875em;
    font-family: var(--font-mono);
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    box-shadow: 0 2px 0 var(--border-primary);
}

/* Improved nested lists */
.article-content-pro ul ul,
.article-content-pro ul ol,
.article-content-pro ol ul,
.article-content-pro ol ol {
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
}

/* Section dividers between major sections */
.article-content-pro .section-break {
    margin: 4rem 0;
    text-align: center;
    position: relative;
}

.article-content-pro .section-break::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-primary), transparent);
}

.article-content-pro .section-break span {
    display: inline-block;
    background: var(--bg-primary);
    padding: 0 2rem;
    color: var(--accent-green);
    font-size: 1.5rem;
    position: relative;
}

/* Tables - Professional Technical Style */
.table-wrapper {
    overflow-x: auto;
    margin: 3rem 0;
    border-radius: 12px;
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.article-content-pro table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.article-content-pro thead {
    background: linear-gradient(180deg, rgba(63, 185, 80, 0.1) 0%, rgba(63, 185, 80, 0.05) 100%);
    position: relative;
}

.article-content-pro thead::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
}

.article-content-pro th {
    text-align: left;
    padding: 1.125rem 1.5rem;
    font-weight: 700;
    color: var(--accent-green);
    border-bottom: 2px solid var(--border-primary);
    font-size: 0.8125rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-family: var(--font-mono);
    white-space: nowrap;
}

.article-content-pro td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-secondary);
    color: #c9d1d9;
}

.article-content-pro tbody tr:last-child td {
    border-bottom: none;
}

.article-content-pro tbody tr {
    transition: background 0.2s ease;
}

.article-content-pro tbody tr:hover {
    background: rgba(63, 185, 80, 0.05);
}

/* Striped rows for better readability */
.article-content-pro tbody tr:nth-child(even) {
    background: rgba(22, 27, 34, 0.3);
}

.article-content-pro tbody tr:nth-child(even):hover {
    background: rgba(63, 185, 80, 0.05);
}

/* Article Footer - Professional */
.article-footer-pro {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 2px solid var(--border-primary);
}

.article-tag-pro {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    transition: all 0.2s ease;
}

.article-tag-pro:hover {
    background: var(--bg-tertiary);
    color: var(--accent-green);
    border-color: rgba(63, 185, 80, 0.3);
}

.share-section-pro,
.contact-section-pro {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 2rem;
}

.share-title-pro,
.contact-title-pro {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    font-family: var(--font-display);
}

.share-buttons-pro {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.share-btn-pro {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.share-btn-pro:hover {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-color: var(--accent-green);
    transform: translateY(-2px);
}