/*
================================================================================
BLOG POST - INDIVIDUAL ARTICLE STYLES
================================================================================
Clean, readable article layout with table of contents
================================================================================
*/

/* Post Page Specific */
.post-page {
    --article-max-width: 720px;
}

/* Article Header */
.article-header {
    padding: 64px 0 48px;
    text-align: center;
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 14px;
}

.article-category {
    color: var(--color-accent);
    font-weight: 600;
}

.article-date,
.article-reading-time {
    color: var(--color-text-secondary);
}

.article-reading-time::before {
    content: "•";
    margin-right: 16px;
    color: var(--color-text-tertiary);
}

.article-title {
    font-family: var(--font-serif);
    font-size: 48px;
    line-height: 1.15;
    max-width: 900px;
    margin: 0 auto 24px;
    letter-spacing: -0.02em;
}

@media (max-width: 768px) {
    .article-title {
        font-size: 32px;
    }
}

.article-subtitle {
    font-size: 20px;
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto 32px;
    line-height: 1.6;
}

.article-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.author-avatar-large {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
}

.author-info-large {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.author-name-large {
    font-weight: 600;
    font-size: 16px;
    color: var(--color-text);
}

.author-title-large {
    font-size: 14px;
    color: var(--color-text-secondary);
}

/* Article Hero Image */
.article-hero {
    margin: 0 0 64px;
    padding: 0 24px;
}

.article-hero img {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    display: block;
    border-radius: var(--radius-lg);
}

.article-hero figcaption {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
    margin-top: 16px;
}

/* Article Layout */
.article-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 64px;
    max-width: 1100px;
    margin: 0 auto;
}

@media (max-width: 900px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

/* Table of Contents Sidebar */
.toc-sidebar {
    position: sticky;
    top: 140px;
    height: fit-content;
}

@media (max-width: 900px) {
    .toc-sidebar {
        display: none;
    }
}

.toc-nav h3 {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

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

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

.toc-nav a {
    display: block;
    font-size: 14px;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: 6px 0;
    border-left: 2px solid transparent;
    padding-left: 16px;
    margin-left: -16px;
    transition: all var(--transition-fast);
}

.toc-nav a:hover,
.toc-nav a.active {
    color: var(--color-text);
    border-left-color: var(--color-accent);
}

/* Article Body */
.article-body {
    max-width: var(--article-max-width);
}

.article-lead {
    font-family: var(--font-serif);
    font-size: 22px;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 48px;
}

/* Typography */
.article-body h2 {
    font-family: var(--font-serif);
    font-size: 32px;
    font-weight: 500;
    margin: 48px 0 24px;
    letter-spacing: -0.01em;
}

.article-body h3 {
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 500;
    margin: 40px 0 20px;
}

.article-body p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 24px;
    color: var(--color-text);
}

.article-body ul,
.article-body ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.article-body li {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 12px;
    color: var(--color-text);
}

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

.article-body em {
    font-style: italic;
}

/* Blockquote */
.article-body blockquote {
    margin: 40px 0;
    padding: 24px 32px;
    background: var(--color-bg-secondary);
    border-left: 4px solid var(--color-accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-body blockquote p {
    font-family: var(--font-serif);
    font-size: 20px;
    font-style: italic;
    margin-bottom: 16px;
    line-height: 1.5;
}

.article-body blockquote cite {
    font-size: 14px;
    font-style: normal;
    color: var(--color-text-secondary);
}

/* Code Blocks */
.article-body pre {
    background: #1a1a1a;
    color: #e5e5e5;
    padding: 24px;
    border-radius: var(--radius-md);
    overflow-x: auto;
    margin: 32px 0;
    font-family: 'Fira Code', monospace;
    font-size: 14px;
    line-height: 1.6;
}

.article-body code {
    font-family: 'Fira Code', monospace;
    font-size: 0.9em;
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-accent);
}

.article-body pre code {
    background: none;
    padding: 0;
    color: inherit;
}

/* Divider */
.article-divider {
    border: none;
    height: 1px;
    background: var(--color-border);
    margin: 64px 0 48px;
}

/* Article Footer */
.article-footer {
    margin-top: 48px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 20px;
    font-size: 13px;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 12px;
}

.article-share span {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-bg-secondary);
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.share-btn:hover {
    background: var(--color-bg-tertiary);
    color: var(--color-text);
}

/* Post Newsletter */
.post-newsletter {
    padding: 64px 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.newsletter-box {
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

.newsletter-box h3 {
    font-family: var(--font-serif);
    font-size: 28px;
    margin-bottom: 8px;
}

.newsletter-box p {
    color: var(--color-text-secondary);
    margin-bottom: 24px;
}

.newsletter-form-inline {
    display: flex;
    gap: 12px;
    max-width: 400px;
    margin: 0 auto;
}

.newsletter-form-inline input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    background: var(--color-bg);
    color: var(--color-text);
    outline: none;
}

.newsletter-form-inline input:focus {
    border-color: var(--color-accent);
}

@media (max-width: 480px) {
    .newsletter-form-inline {
        flex-direction: column;
    }
}

/* Related Posts */
.related-posts {
    padding: 64px 0;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 24px;
    margin-bottom: 32px;
    text-align: center;
}

.related-grid {
    grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}