/*************************************
 * BLOG PAGE STYLES
 *************************************/

/* Hierarchical TOC in right-side navbar */
.blog-toc-nav .nav-links {
    gap: 2px;
}

.blog-toc-nav .toc-group {
    margin-bottom: 10px;
}

.blog-toc-nav .toc-group-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-color);
    border-right: 2px solid var(--text-color);
    padding: 2px 10px;
    display: block;
    text-align: right;
    text-decoration: none;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.blog-toc-nav .toc-sub {
    list-style: none;
    margin: 2px 0 0 0;
    padding: 0;
}

.blog-toc-nav .toc-sub li {
    text-align: right;
}

.blog-toc-nav .toc-sub li a {
    font-size: 10.5px;
    font-weight: 400;
    color: var(--tertiary-text-color);
    text-decoration: none;
    padding: 1px 10px;
    border-right: 2px solid transparent;
    display: block;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.blog-toc-nav .toc-sub li a:hover,
.blog-toc-nav .toc-sub li a.active {
    color: var(--text-color);
    border-right-color: var(--text-color);
}

.blog-toc-nav .toc-group-title:not(.active) {
    color: var(--tertiary-text-color);
    border-right-color: var(--divider-color);
}

/* Group section dividers in article content */
.blog-group-header {
    text-align: center;
    margin: 72px 0 40px;
    position: relative;
}

.blog-group-header::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.blog-group-header span {
    position: relative;
    background: var(--bg-color);
    padding: 0 16px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--tertiary-text-color);
}

/* Article */
.blog-article {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 24px 80px;
    font-family: 'Palatino Linotype', 'URW Palladio L', Palatino, 'Book Antiqua', serif;
    color: var(--text-color);
    line-height: 1.75;
}

.blog-article h1 {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    line-height: 1.25;
    margin-bottom: 12px;
}

.blog-article .blog-subtitle {
    font-style: italic;
    opacity: 0.8;
    margin-bottom: 32px;
    font-size: 1rem;
    line-height: 1.6;
}

.blog-article h2 {
    font-family: var(--font-heading);
    font-size: 1.7rem;
    margin-top: 56px;
    margin-bottom: 18px;
    letter-spacing: 0.3px;
}

.blog-article h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    margin-top: 36px;
    margin-bottom: 14px;
    letter-spacing: 0.2px;
}

.blog-article p {
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.blog-article strong {
    font-weight: 700;
}

.blog-article a {
    color: var(--accent-color, #4a9eff);
    text-decoration: none;
}

.blog-article a:hover {
    text-decoration: underline;
}

.blog-article code {
    background: var(--code-bg, rgba(127,127,127,0.15));
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.88rem;
    font-family: 'Share Tech Mono', monospace;
}

.blog-article img {
    max-width: 100%;
    border-radius: 8px;
    margin: 16px 0;
}

.blog-article .img-caption {
    font-size: 0.82rem;
    opacity: 0.7;
    font-style: italic;
    margin-top: -8px;
    margin-bottom: 24px;
}

.blog-article hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 40px 0;
}

/* Tables */
.blog-article table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 0.88rem;
}

.blog-article th,
.blog-article td {
    text-align: left;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
}

.blog-article th {
    font-weight: 700;
    background: var(--code-bg, rgba(127,127,127,0.2));
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.blog-article tr:nth-child(even) {
    background: var(--code-bg, rgba(127,127,127,0.05));
}

/* Overflow tables on mobile */
.table-wrapper {
    overflow-x: auto;
    margin: 16px 0 24px;
    -webkit-overflow-scrolling: touch;
}

.table-wrapper table {
    margin: 0;
    min-width: 500px;
}

/* Ordered / unordered lists */
.blog-article ol,
.blog-article ul {
    padding-left: 24px;
    margin-bottom: 16px;
}

.blog-article li {
    margin-bottom: 6px;
    font-size: 0.95rem;
}

/* Language toggle for blog content */
.blog-content[data-lang] {
    display: none;
}

.blog-content.active-lang {
    display: block;
}

/* Blog meta info */
.blog-meta {
    display: flex;
    gap: 16px;
    font-size: 0.85rem;
    opacity: 0.65;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .blog-article {
        padding: 0 16px 60px;
    }

    .blog-article h1 {
        font-size: 1.6rem;
    }

    .blog-article h2 {
        font-size: 1.35rem;
    }

    .blog-article h3 {
        font-size: 1.1rem;
    }
}