/* Blog — index + post pages (built by blog/tools/build.py). Uses the site vars from styles.css. */

.blog { padding-top: 40px; }
.blog .section-head { max-width: none; }
.blog-rss a { color: var(--accent-2); text-decoration: none; font-size: 0.9rem; }
.blog-rss a:hover { text-decoration: underline; }

/* ---------- Index ---------- */
.post-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    max-width: 960px;
    margin: 0 auto;
}
.post-card {
    display: block;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: var(--radius);
    padding: 26px 26px 20px;
    color: var(--text);
    text-decoration: none;
    transition: transform 0.2s, border-color 0.2s;
}
.post-card:hover { transform: translateY(-3px); border-color: rgba(34, 211, 238, 0.4); }
.post-card h2 { font-size: 1.25rem; line-height: 1.3; margin: 10px 0 10px; }
.post-card p { color: var(--text-dim); font-weight: 300; font-size: 0.95rem; }
.post-card .post-meta { margin-top: 14px; font-size: 0.82rem; }
.post-card-featured { padding: 34px 34px 26px; }
.post-card-featured h2 { font-size: 1.7rem; }

.post-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.post-tag {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--accent-2);
    border: 1px solid rgba(34, 211, 238, 0.35);
    background: rgba(34, 211, 238, 0.08);
    border-radius: 999px;
    padding: 2px 10px;
}
.post-meta { color: var(--text-dim); font-size: 0.88rem; font-weight: 300; }

/* ---------- Charts (raw <figure class="chart"> blocks in posts) ---------- */
.chart {
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 14px;
    padding: 20px 22px 16px;
    margin: 0 0 1.6em;
}
.chart figcaption { color: var(--text-dim); font-size: 0.85rem; font-weight: 300; margin-top: 12px; line-height: 1.5; }
.chart-title { font-weight: 600; font-size: 0.95rem; margin-bottom: 14px; color: var(--text); }
.bars { display: grid; grid-template-columns: 64px 1fr; gap: 8px 12px; align-items: center; font-size: 0.85rem; }
.bars .lbl { color: var(--text-dim); text-align: right; white-space: nowrap; }
.bars .bar { height: 22px; border-radius: 6px; background: var(--grad); min-width: 4px; position: relative; width: calc((100% - 14em) * var(--w, 1)); }
.bars .bar span { position: absolute; left: calc(100% + 8px); top: 1px; color: var(--text); font-weight: 600; white-space: nowrap; }
.bars .bar.dim { background: rgba(255, 255, 255, 0.14); }
.bars .bar.next { background: repeating-linear-gradient(135deg, #22d3ee 0 6px, #3b82f6 6px 12px); }
.cols { display: flex; align-items: flex-end; gap: 4px; height: 150px; border-bottom: 1px solid var(--card-border); }
.cols div { flex: 1; background: var(--grad); border-radius: 4px 4px 0 0; position: relative; min-height: 2px; }
.cols div.rc { background: linear-gradient(135deg, #f59e0b 0%, #fbbf24 100%); }
.cols div span { position: absolute; top: -18px; left: 0; right: 0; text-align: center; font-size: 0.72rem; color: var(--text); }
.cols-x { display: flex; gap: 4px; font-size: 0.68rem; color: var(--text-dim); margin-top: 6px; }
.cols-x span { flex: 1; text-align: center; }
.legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: 0.8rem; color: var(--text-dim); margin-top: 10px; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; background: var(--grad); }
.legend i.rc { background: #fbbf24; }
.legend i.dim { background: rgba(255, 255, 255, 0.14); }
.month { display: grid; grid-template-columns: 76px repeat(31, 1fr); gap: 3px; align-items: center; font-size: 0.72rem; margin-bottom: 6px; }
.month .lbl { color: var(--text-dim); }
.month b { height: 18px; border-radius: 4px; background: rgba(255, 255, 255, 0.05); }
.month b.p { background: var(--grad); }
.month b.rc { background: #fbbf24; }
.month b.gold { background: #22c55e; box-shadow: 0 0 10px rgba(34, 197, 94, 0.6); }

/* ---------- Post ---------- */
.post { max-width: 760px; margin: 0 auto; }
.post-back a { color: var(--accent-2); text-decoration: none; font-size: 0.9rem; }
.post-back a:hover { text-decoration: underline; }
.post-header { margin: 18px 0 32px; padding-bottom: 24px; border-bottom: 1px solid var(--card-border); }
.post-header h1 { font-size: clamp(1.9rem, 4.5vw, 2.7rem); line-height: 1.15; margin: 14px 0 14px; letter-spacing: -0.02em; }
.post-dek { color: var(--text-dim); font-size: 1.15rem; font-weight: 300; margin-bottom: 14px; }

.post-body { font-size: 1.05rem; line-height: 1.75; }
.post-body p { margin: 0 0 1.2em; color: #cfd6e4; }
.post-body h2 { font-size: 1.55rem; margin: 2em 0 0.6em; line-height: 1.25; }
.post-body h3 { font-size: 1.2rem; margin: 1.6em 0 0.5em; }
.post-body h4 { font-size: 1.05rem; margin: 1.4em 0 0.4em; }
.post-body a { color: var(--accent-2); text-decoration: none; }
.post-body a:hover { text-decoration: underline; }
.post-body strong { color: var(--text); }
.post-body ul, .post-body ol { margin: 0 0 1.2em 1.4em; color: #cfd6e4; }
.post-body li { margin: 0.35em 0; }
.post-body hr { border: none; border-top: 1px solid var(--card-border); margin: 2.4em 0; }
.post-body blockquote {
    border-left: 3px solid var(--accent-2);
    background: rgba(34, 211, 238, 0.05);
    padding: 12px 20px;
    margin: 0 0 1.2em;
    border-radius: 0 10px 10px 0;
}
.post-body blockquote p { margin: 0; color: var(--text); }

.post code {
    font-family: 'SF Mono', Menlo, Consolas, monospace;
    font-size: 0.88em;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 1px 6px;
}
.post pre {
    background: #050810;
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 16px 18px;
    overflow-x: auto;
    margin: 0 0 1.4em;
    line-height: 1.5;
}
.post pre code { background: none; border: none; padding: 0; font-size: 0.86rem; color: #d7e3ff; }

.table-wrap { overflow-x: auto; margin: 0 0 1.4em; }
.post-body table { border-collapse: collapse; width: 100%; font-size: 0.93rem; }
.post-body th, .post-body td { border: 1px solid var(--card-border); padding: 8px 12px; text-align: left; vertical-align: top; }
.post-body th { background: rgba(255, 255, 255, 0.04); }

.post-cta {
    margin: 48px 0 12px;
    background: var(--card);
    border: 1px solid rgba(34, 211, 238, 0.3);
    border-radius: var(--radius);
    padding: 28px;
}
.post-cta h2 { font-size: 1.3rem; margin-bottom: 8px; }
.post-cta p { color: var(--text-dim); font-weight: 300; margin-bottom: 14px; }
.post-cta-buttons { display: flex; flex-wrap: wrap; gap: 12px; }

.post-nav {
    max-width: 760px;
    margin: 28px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.post-nav a {
    display: block;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    padding: 14px 18px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.95rem;
}
.post-nav a:hover { border-color: rgba(34, 211, 238, 0.4); }
.post-nav span { display: block; color: var(--accent-2); font-size: 0.8rem; margin-bottom: 4px; }
.post-nav-newer { text-align: right; }

@media (max-width: 700px) {
    .post-list { grid-template-columns: 1fr; }
    .post-card-featured { padding: 26px 22px 20px; }
    .post-card-featured h2 { font-size: 1.4rem; }
    .post-nav { grid-template-columns: 1fr; }
    .post-nav-newer { text-align: left; }
}

.post-fallback {
    color: var(--text-dim);
    font-size: 0.9rem;
    border: 1px dashed var(--card-border);
    border-radius: 10px;
    padding: 10px 14px;
    margin-bottom: 24px;
}

.blog-home { margin-top: 36px; }