/* Blog prose styles. Layered on top of site style.css. */

.blog-layout {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 2.5rem;
    align-items: start;
}
.blog-layout.reader-layout { margin-top: 0.5rem; }
@media (max-width: 760px) {
    .blog-layout { grid-template-columns: 1fr; gap: 1.5rem; }
}

.tag-sidebar {
    position: sticky; top: 5rem;
    align-self: start;
    border-right: 1px solid var(--border);
    padding-right: 1rem;
}
@media (max-width: 760px) {
    .tag-sidebar {
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding-right: 0;
        padding-bottom: 1rem;
    }
}
.tag-sidebar-title {
    font-family: var(--mono);
    font-size: 0.72rem;
    text-transform: lowercase;
    color: var(--text-faint);
    margin: 0 0 0.75rem;
    font-weight: 400;
}
.tag-list {
    list-style: none;
    padding: 0; margin: 0;
    display: flex; flex-direction: column; gap: 0.1rem;
}
.tag-list .tag-item a {
    display: flex; justify-content: space-between; align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    color: var(--text-dim);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.15s;
}
.tag-list .tag-item a:hover { color: var(--text); }
.tag-list .tag-item.active a { color: var(--accent); }
.tag-count {
    font-family: var(--mono);
    font-size: 0.72rem;
    color: var(--text-faint);
}
.tag-list .tag-item.active .tag-count { color: var(--accent); }
.tag-empty { color: var(--text-faint); font-size: 0.85rem; }

/* blog list (used in /blog/ and embedded in /) */
.blog-list { list-style: none; }
.blog-list li {
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 0;
    display: grid;
    grid-template-columns: 7rem 1fr auto;
    gap: 1rem;
    align-items: baseline;
}
.blog-list li:last-child { border-bottom: none; }
.blog-date { font-family: var(--mono); font-size: 0.75rem; color: var(--text-faint); white-space: nowrap; }
.blog-title { font-size: 1rem; font-weight: 500; }
.blog-title a { color: var(--heading); }
.blog-title a:hover { color: var(--accent); }
.blog-read { font-family: var(--mono); font-size: 0.7rem; color: var(--text-faint); white-space: nowrap; }

@media (max-width: 640px) {
    .blog-list li { grid-template-columns: 1fr; gap: 0.2rem; }
    .blog-date { order: 2; }
}

.post-tag-row {
    display: inline-flex; flex-wrap: wrap; gap: 0.4rem;
    margin-top: 0.4rem;
}
.post-tag {
    font-family: var(--mono); font-size: 0.7rem;
    color: var(--text-dim);
    padding: 0; text-decoration: none;
}
.post-tag::before { content: "#"; color: var(--text-faint); }
.post-tag:hover { color: var(--accent); }

.post-meta .chip {
    font-family: var(--mono); font-size: 0.72rem;
    color: var(--text-dim); text-decoration: none;
}
.post-meta .chip:hover { color: var(--accent); }

.prose {
    max-width: 720px;
    margin: 0;
    font-size: 1rem;
    line-height: 1.7;
}

.post-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.post-header h1 {
    margin-bottom: 0.75rem;
    font-size: clamp(1.6rem, 3vw, 2.2rem);
}
.post-meta {
    display: flex; gap: 0.75rem; flex-wrap: wrap;
    align-items: center;
    font-family: var(--mono); font-size: 0.78rem;
    color: var(--text-faint);
}

.post-body h1, .post-body h2, .post-body h3, .post-body h4 {
    margin: 1.75rem 0 0.6rem;
    color: var(--heading);
}
.post-body h2 { font-size: 1.4rem; }
.post-body h3 { font-size: 1.15rem; }
.post-body p { margin-bottom: 1rem; }
.post-body a { color: var(--accent); }
.post-body a:hover { color: var(--accent-lt); text-decoration: underline; text-underline-offset: 2px; }

.post-body ul, .post-body ol { margin: 0 0 1rem 1.5rem; }
.post-body li { margin-bottom: 0.3rem; }

.post-body blockquote {
    border-left: 2px solid var(--accent);
    padding: 0.2rem 1rem;
    margin: 1.25rem 0;
    color: var(--text-dim);
    font-style: italic;
}

.post-body img {
    max-width: 100%;
    height: auto;
    margin: 1.25rem 0;
    display: block;
}

.post-body code {
    font-family: var(--mono);
    font-size: 0.88em;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    padding: 0.08em 0.35em;
    border-radius: 3px;
    color: var(--text);
}
.post-body pre {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 0.9rem 1rem;
    overflow-x: auto;
    margin: 1.25rem 0;
    font-size: 0.85rem;
    line-height: 1.55;
}
.post-body pre code { background: transparent; border: none; padding: 0; font-size: inherit; }

.post-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.25rem 0;
    font-size: 0.92rem;
}
.post-body th, .post-body td {
    padding: 0.55rem 0.8rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
.post-body th {
    font-family: var(--mono); font-size: 0.75rem;
    color: var(--text-faint); font-weight: 500;
    text-transform: lowercase;
}

.post-body hr {
    border: none;
    border-top: 1px solid var(--border);
    margin: 2rem 0;
}

/* Twitter embed: constrain width and provide a styled fallback if widgets.js fails */
.post-body .twitter-tweet { max-width: 550px; margin: 1.25rem 0; }
.post-body blockquote.twitter-tweet:not([class*=' twitter-tweet-rendered']) {
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-left: 2px solid var(--accent);
    border-radius: 4px;
    padding: 1rem 1.25rem;
    color: var(--text-dim);
    font-style: normal;
    font-size: 0.95rem;
    line-height: 1.6;
}
.post-body blockquote.twitter-tweet:not([class*=' twitter-tweet-rendered']) p {
    color: var(--text);
    margin-bottom: 0.5rem;
}
.post-body blockquote.twitter-tweet:not([class*=' twitter-tweet-rendered']) a {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent);
}

/* Responsive iframe embeds (YouTube, etc) */
.post-body .embed {
    margin: 1.25rem 0;
    max-width: 100%;
}
.post-body .embed-youtube {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 4px;
    background: var(--bg-soft);
}
.post-body .embed-youtube iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.post-body .katex-display {
    margin: 1.25rem 0;
    overflow-x: auto; overflow-y: hidden;
}
.katex { color: var(--heading); }