/* Article-specific styles */
.article-header {
    margin-bottom: 40px;
    border-bottom: 2px solid #0078D4;
    padding-bottom: 20px;
}

.article-header h1 {
    font-size: 2.5rem;
    color: #0078D4;
    margin-bottom: 10px;
    line-height: 1.2;
}

.article-meta {
    font-size: 0.9rem;
    color: #888;
    margin-top: 10px;
}

.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #333;
}

.article-content h2 {
    font-size: 1.8rem;
    color: #333;
    margin-top: 40px;
    margin-bottom: 20px;
    padding-left: 15px;
    border-left: 4px solid #0078D4;
}

.article-content h3 {
    font-size: 1.4rem;
    color: #444;
    margin-top: 30px;
    margin-bottom: 15px;
}

.article-content p {
    margin-bottom: 20px;
    color: #555;
}

.article-content ul {
    margin-left: 30px;
    margin-bottom: 20px;
}

.article-content li {
    margin-bottom: 10px;
    color: #555;
}

.article-content code {
    background-color: #f5f5f5;
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    color: #d63384;
}

.article-content pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 20px;
}

/* Table of Contents Styles */
.toc-section {
    position: sticky;
    top: 30px;
}

.toc-header {
    font-size: 2rem;
    color: #999;
    margin-bottom: 20px;
    text-align: center;
}

.toc-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #888;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.toc-list {
    list-style: none;
}

.toc-list > li {
    margin-bottom: 15px;
}

.toc-link {
    display: block;
    padding: 5px 0;
    text-decoration: none;
    color: #555;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    line-height: 1.4;
}

.toc-link:hover {
    color: #0078D4;
    padding-left: 5px;
}

.toc-link.active {
    color: #0078D4;
    font-weight: 600;
}

/* Nested TOC items */
.toc-list .toc-nested {
    margin-left: 20px;
    margin-top: 10px;
    list-style: none;
}

.toc-nested li {
    margin-bottom: 10px;
}

.toc-nested .toc-link {
    font-size: 0.85rem;
    color: #666;
}

/* References Section - Simple Table */
.references-table {
    width: 100%;
    margin: 20px 0;
    border-collapse: collapse;
}

.references-table th,
.references-table td {
    padding: 12px 15px;
    text-align: left;
    border: 1px solid #ddd;
}

.references-table th {
    background-color: #f5f5f5;
    font-weight: 600;
    color: #333;
}

.references-table tbody tr:nth-child(even) {
    background-color: #fafafa;
}

.references-table a {
    color: #0078D4;
    text-decoration: none;
}

.references-table a:hover {
    text-decoration: underline;
}

/* Image Frame Styles */
.image-frame {
    border: 2px solid #ccc;
    padding: 10px;
    border-radius: 8px;
    display: inline-block;
    margin: 15px 0;
}

.image-frame .article-image {
    border: 1px solid #ddd;
}

/* Comparison Table Styles */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    margin: 20px 0;
}

.comparison-table thead tr {
    background-color: #f5f5f5;
}

.comparison-table th,
.comparison-table td {
    border: 1px solid #ccc;
    padding: 8px;
    text-align: left;
}

.comparison-table th {
    font-weight: bold;
}

.comparison-table tbody tr:nth-child(odd) td:first-child {
    font-weight: bold;
}

.comparison-table tbody tr:nth-child(even) {
    background-color: #f9f9f9;
}