/* Variables */
:root {
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Source Code Pro', monospace;
    --color-bg: #ffffff;
    --color-text: #2d2d2d;
    --color-text-muted: #666666;
    --color-border: #e1e4e8;
    --color-accent: #0366d6;
    --color-status-draft: #b08800;
    --color-status-published: #22863a;
    --color-code-bg: #f6f8fa;
    --color-link-hover: #0969da;
    --color-section-marker: #6e7681;
}

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

.blog-post-header h1 {
    font-family: var(--font-mono);
    font-size: 2rem;
    font-weight: 600;
    margin: 0 0 1rem 0;
    color: var(--color-text);
}

.blog-post-meta {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
    justify-content: center;
    margin: 1rem 0;
}

.meta-item {
    display: inline-flex;
    align-items: center;
}

.meta-item.tags {
    display: inline-flex;
    gap: 0.5rem;
}

.tag {
    font-size: 0.8rem;
    padding: 0.1rem 0.4rem;
    background: var(--color-border);
    border-radius: 3px;
    color: var(--color-text-muted);
}

.status-draft {
    color: var(--color-status-draft);
}

.status-published {
    color: var(--color-status-published);
}

.edit-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: 0.9rem;
}

.edit-link:hover {
    text-decoration: underline;
}

.blog-post-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Featured Image */
.featured-image-container {
    margin: -2rem calc(-50vw + 50%) 2rem;
    height: 300px;
    overflow: hidden;
    position: relative;
    background: var(--color-code-bg);
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Section Headers */
.section-header {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    margin: 2rem 0 1rem;
    color: var(--color-text);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-marker {
    color: var(--color-section-marker);
}

/* Table of Contents */
.toc-section {
    font-family: var(--font-mono);
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
    padding: 1rem;
    margin-top: 2rem;
    background: var(--color-bg);
    border-left: 1px solid var(--color-border);
    scrollbar-width: thin;
    scrollbar-color: var(--color-border) transparent;
}

.toc-section::-webkit-scrollbar {
    width: 6px;
}

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

.toc-section::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: 3px;
}

.toc-content {
    display: flex;
    background: var(--color-code-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.line-numbers {
    padding: 0.5rem 0.25rem;
    background: rgba(0, 0, 0, 0.05);
    border-right: 1px solid var(--color-border);
    color: var(--color-text-muted);
    text-align: right;
    min-width: 2rem;
    user-select: none;
    font-size: 0.75rem;
}

.toc-items {
    padding: 0.5rem 0;
    flex-grow: 1;
    min-height: 3rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
}

.toc-empty {
    padding: 0 1rem;
    color: var(--color-text-muted);
    font-style: italic;
}

.toc-item {
    display: flex;
    align-items: center;
    padding: 0.15rem 0.75rem;
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.2s ease;
    line-height: 1.3;
    border-left: 2px solid transparent;
}

.toc-item:hover {
    background: rgba(0, 0, 0, 0.05);
    color: var(--color-accent);
    border-left-color: var(--color-accent);
}

.toc-item.active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: rgba(3, 102, 214, 0.05);
}

.toc-item.active .line-ref,
.toc-item.active .indent {
    color: var(--color-accent);
    opacity: 0.8;
}

.toc-item .indent {
    color: var(--color-text-muted);
    user-select: none;
    font-family: monospace;
    margin-right: 0.5rem;
    display: inline-flex;
    align-items: center;
}

.toc-item .marker {
    color: var(--color-text-muted);
    opacity: 0.7;
}

.toc-item .heading {
    flex-grow: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.toc-item .dots {
    color: var(--color-text-muted);
    margin: 0 0.5rem;
    flex-grow: 1;
    border-bottom: 1px dotted var(--color-border);
    opacity: 0.5;
}

.toc-item .line-ref {
    color: var(--color-text-muted);
    font-size: 0.8em;
    opacity: 0.8;
}

/* Related Posts */
.related-posts {
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.related-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.related-post {
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    text-decoration: none;
    color: var(--color-text);
    transition: all 0.2s ease;
    background: var(--color-bg);
}

.related-post:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.related-post-meta {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--color-text-muted);
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
}

.related-post-title {
    font-size: 1.1rem;
    margin: 0.5rem 0;
    color: var(--color-text);
}

.related-post-tags {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

/* Blog Content */
.blog-post-content {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text);
    margin-top: 2rem;
}

.blog-post-content h1,
.blog-post-content h2,
.blog-post-content h3,
.blog-post-content h4,
.blog-post-content h5,
.blog-post-content h6 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    color: var(--color-text-primary);
}

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

.blog-post-content pre {
    background-color: var(--color-surface);
    border-radius: 6px;
    padding: 1rem;
    margin: 1.5rem 0;
    overflow-x: auto;
}

.blog-post-content code {
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.9rem;
    line-height: 1.5;
}

.blog-post-content :not(pre) > code {
    background-color: var(--color-surface);
    padding: 0.2em 0.4em;
    border-radius: 4px;
    color: var(--color-text-primary);
}

.blog-post-content .math {
    overflow-x: auto;
    margin: 1rem 0;
    padding: 0.5rem 0;
}

.blog-post-content .math.display {
    text-align: center;
}

.blog-post-content table {
    width: 100%;
    margin: 1rem 0;
    border-collapse: collapse;
    overflow-x: auto;
    display: block;
}

.blog-post-content th,
.blog-post-content td {
    padding: 0.75rem;
    border: 1px solid var(--color-accent);
    text-align: left;
}

.blog-post-content th {
    background-color: var(--color-surface);
    font-weight: 600;
}

.blog-post-content blockquote {
    border-left: 4px solid var(--color-primary);
    padding-left: 1rem;
    margin-left: 0;
    color: var(--color-text-secondary);
}

.blog-post-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
}

.blog-post-content a:hover {
    color: var(--color-secondary);
}

.sourceCode .kw { color: #8959a8; } /* Keyword */
.sourceCode .dt { color: #4271ae; } /* DataType */
.sourceCode .dv { color: #f5871f; } /* DecVal */
.sourceCode .bn { color: #f5871f; } /* BaseN */
.sourceCode .fl { color: #f5871f; } /* Float */
.sourceCode .ch { color: #718c00; } /* Char */
.sourceCode .st { color: #718c00; } /* String */
.sourceCode .co { color: #8e908c; font-style: italic; } /* Comment */
.sourceCode .ot { color: #4271ae; } /* Other */
.sourceCode .al { color: #c82829; font-weight: bold; } /* Alert */
.sourceCode .fu { color: #4271ae; } /* Function */
.sourceCode .re { color: #c82829; } /* RegionMarker */
.sourceCode .er { color: #c82829; font-weight: bold; } /* Error */

/* Blog Post Tags */
.blog-post-tags {
    margin-top: 2rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

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

.tag-link {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-surface-variant);
    color: var(--color-text);
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.tag-link:hover {
    background-color: var(--color-primary);
    color: var(--color-on-primary);
    transform: translateY(-1px);
}

.tag-link .fas {
    margin-right: 0.5rem;
    opacity: 0.7;
}

/* Social Share Buttons */
.social-share {
    margin-top: 2rem;
    border-top: 1px solid var(--color-border);
    padding-top: 1rem;
}

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

.share-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.share-btn .fab {
    font-size: 1.2rem;
}

/* Related Posts */
.related-posts {
    margin-top: 3rem;
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
}

.related-post-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-surface);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
}

.related-post-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.related-post-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.related-post-content {
    padding: 1rem;
}

.related-post-title a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s ease;
}

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

.related-post-meta {
    display: flex;
    justify-content: space-between;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}

.related-post-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.related-post-meta .fas {
    opacity: 0.7;
}

@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }
    
    .share-btn {
        width: 100%;
        justify-content: center;
    }
}