/* Posts list and post article. Loaded after home.css (tokens, header, pills). */

/* ── posts list ── */
.post-list { display: flex; flex-direction: column; gap: 18px; }
.post-card { position: relative; display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 26px; align-items: center; padding: 16px; border: 1px solid var(--border); border-radius: 18px; background: var(--bg-card); transition: transform .2s, box-shadow .2s, border-color .2s; }
.post-card:hover { transform: translateY(-2px); border-color: rgba(var(--accent-rgb), .5); box-shadow: 0 16px 36px -20px var(--shadow-card); }
.post-card-cover { position: absolute; inset: 0; z-index: 1; border-radius: inherit; }
.post-card-img { aspect-ratio: 16 / 10; border-radius: 12px; overflow: hidden; background: var(--bg-secondary); }
.post-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s; }
.post-card:hover .post-card-img img { transform: scale(1.03); }
.post-card-body { display: flex; flex-direction: column; gap: 9px; padding-right: 10px; }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; color: var(--text-muted); font-size: .8rem; }
.post-meta i { margin-right: 5px; }
.post-card h3 { font-size: 1.3rem; font-weight: 800; line-height: 1.3; letter-spacing: -.02em; color: var(--text-primary); }
.post-card p { color: var(--text-secondary); font-size: .93rem; line-height: 1.65; }
.post-card-more { color: var(--accent); font-size: .86rem; font-weight: 600; }
.pill--tag { color: var(--accent); border-color: rgba(var(--accent-rgb), .35); background: rgba(var(--accent-rgb), .07); }

/* ── article ── */
.post-progress { position: fixed; top: 0; left: 0; z-index: 200; height: 3px; width: 0; background: var(--grad); transition: width .1s linear; }
.post-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 220px; gap: 56px; max-width: 1080px; margin: 0 auto; }
.post-hero { padding: 46px 0 30px; margin-bottom: 34px; border-bottom: 1px solid var(--border); }
.post-back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 22px; color: var(--text-muted); font-size: .86rem; font-weight: 500; }
.post-back:hover { color: var(--accent); }
.post-hero h1 { margin: 14px 0 14px; font-size: clamp(2rem, 4.2vw, 2.9rem); font-weight: 800; line-height: 1.12; letter-spacing: -.035em; }
.post-hero h1 em { font-style: normal; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.post-lede { max-width: 700px; color: var(--text-secondary); font-size: 1.12rem; line-height: 1.7; }
.post-hero .post-meta { margin-top: 20px; }

.prose { min-width: 0; max-width: 720px; color: var(--text-secondary); font-size: 1.04rem; line-height: 1.85; }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { margin-top: 2.4em; padding-top: .2em; color: var(--text-primary); font-size: 1.6rem; font-weight: 800; line-height: 1.25; letter-spacing: -.025em; }
.prose h2 .sec-no { display: block; margin-bottom: 6px; color: var(--accent); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.prose h3 { margin-top: 1.9em; color: var(--text-primary); font-size: 1.18rem; font-weight: 700; letter-spacing: -.01em; }
.prose strong { color: var(--text-primary); font-weight: 650; }
.prose a { text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .4em; }
.prose li::marker { color: var(--accent); }
.prose code { padding: .12em .4em; border-radius: 6px; background: var(--bg-secondary); border: 1px solid var(--border); color: var(--text-primary); font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .86em; }
.prose hr { border: 0; height: 1px; background: var(--border); margin: 2.4em 0; }

.prose figure { margin: 2em 0; }
.prose figure img { display: block; width: 100%; height: auto; border-radius: 12px; border: 1px solid var(--border); background: #fff; }
.prose figcaption { margin-top: 10px; color: var(--text-muted); font-size: .86rem; line-height: 1.55; text-align: center; }

.callout { padding: 18px 22px; border: 1px solid rgba(var(--accent-rgb), .3); border-left: 4px solid var(--accent); border-radius: 12px; background: rgba(var(--accent-rgb), .06); font-size: .98rem; }
.callout-title { display: block; margin-bottom: 6px; color: var(--accent); font-size: .74rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.callout--warn { border-color: rgba(245, 158, 11, .4); border-left-color: #f59e0b; background: rgba(245, 158, 11, .07); }
.callout--warn .callout-title { color: #b45309; }
.callout ul { margin-top: 6px; }

.eq { overflow-x: auto; overflow-y: hidden; padding: 6px 4px; }
.pull { margin: 2em 0; padding: 4px 0 4px 22px; border-left: 3px solid var(--accent); color: var(--text-primary); font-size: 1.22rem; font-weight: 600; line-height: 1.55; letter-spacing: -.01em; }

.steps { list-style: none; padding: 0 !important; counter-reset: step; }
.steps li { position: relative; padding: 2px 0 2px 44px; counter-increment: step; }
.steps li + li { margin-top: .9em; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: 2px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 8px; background: rgba(var(--accent-rgb), .1); color: var(--accent); font-size: .82rem; font-weight: 800; }

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.prose table { width: 100%; border-collapse: collapse; font-size: .9rem; line-height: 1.5; }
.prose th, .prose td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.prose th { background: var(--bg-secondary); color: var(--text-primary); font-size: .76rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.prose tr:last-child td { border-bottom: 0; }
.prose td.num, .prose th.num { text-align: right; font-variant-numeric: tabular-nums; }
.prose tr.is-ours td { background: rgba(var(--accent-rgb), .07); color: var(--text-primary); font-weight: 650; }
.table-note { margin-top: 8px !important; color: var(--text-muted); font-size: .82rem; }

.refs { font-size: .9rem; }
.refs li { color: var(--text-muted); }

/* ── table of contents ── */
.toc { position: sticky; top: calc(var(--nav-h) + 28px); align-self: start; margin-top: 210px; padding-left: 18px; border-left: 1px solid var(--border); font-size: .84rem; }
.toc-title { margin-bottom: 10px; color: var(--text-muted); font-size: .7rem; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
.toc ol { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.toc a { display: block; color: var(--text-muted); line-height: 1.4; transition: color .15s; }
.toc a:hover { color: var(--text-primary); }
.toc a.is-active { color: var(--accent); font-weight: 600; }

.post-foot { max-width: 720px; margin-top: 56px; padding-top: 26px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--text-muted); font-size: .9rem; }

:root[data-theme="dark"] .prose figure img { border-color: transparent; }
:root[data-theme="dark"] .callout--warn .callout-title { color: #fbbf24; }

@media (max-width: 1000px) {
    .post-wrap { grid-template-columns: minmax(0, 1fr); }
    .toc { display: none; }
}
@media (max-width: 760px) {
    .post-card { grid-template-columns: 1fr; gap: 14px; padding: 12px; }
    .post-card-body { padding: 0 6px 6px; }
    .prose { font-size: 1rem; }
    .prose h2 { font-size: 1.38rem; }
    .post-hero { padding-top: 30px; }
}