/* Blog pages. Builds on /showcase/showcase.css (tokens, header, footer, buttons, post cards). */

.read-bar { position: fixed; inset: 0 0 auto; height: 3px; z-index: 60; pointer-events: none; }
.read-bar i { display: block; height: 100%; width: 0; background: var(--lime); }

.kicker {
  display: inline-flex; align-items: center; gap: 10px; padding: 7px 14px 7px 10px; border-radius: 999px;
  border: 1px solid var(--deep-line); font: 600 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--deep-muted);
}
.kicker i { width: 8px; height: 8px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 0 4px rgb(212 255 36 / 0.18); }

/* ---------- Blog home ---------- */
.blog-hero {
  color: #fff; padding: 72px 0 80px;
  background: radial-gradient(ellipse 50% 90% at 70% 10%, rgb(77 19 238 / 0.45), transparent 70%), var(--night);
}
.blog-hero h1 { font-size: clamp(40px, 6vw, 76px); margin: 22px 0 18px; max-width: 900px; }
.blog-hero h1 em { color: var(--lime); }
.blog-hero p { color: var(--deep-muted); font-size: 18px; max-width: 620px; }
.blog-list { padding: 24px 0 112px; }
.blog-list .filters { margin: 32px 0 36px; }
.post-lead .post-card.lead { display: grid; grid-template-columns: 1.35fr 1fr; gap: 36px; align-items: center; }
.post-lead .post-card.lead .pc-meta { margin-top: 0; }
.post-lead .post-card.lead b { font-size: clamp(26px, 3vw, 38px); letter-spacing: -0.03em; }
.post-lead .post-card.lead small { font-size: 16px; }
.post-lead .post-card.lead { grid-template-rows: 1fr repeat(4, auto) 1fr; row-gap: 0; }
.post-lead .post-card.lead > :not(.pc-im) { grid-column: 2; }
.post-lead .post-card.lead .pc-im { grid-column: 1; grid-row: 1 / -1; }
.post-lead .post-card.lead .pc-meta { grid-row: 2; }
.post-lead .post-card.lead b { grid-row: 3; }
.post-lead .post-card.lead small { grid-row: 4; }
.post-lead .post-card.lead .pc-read { grid-row: 5; }
.post-card[hidden] { display: none; }
.empty { color: var(--muted); }

/* ---------- Post ---------- */
.post-head { padding: 56px 0 36px; max-width: 900px; }
.crumb { display: inline-block; margin-bottom: 22px; color: var(--muted); text-decoration: none; font: 600 13px/1 var(--mono); }
.crumb:hover { color: var(--mark); }
.post-head h1 { font-size: clamp(34px, 4.8vw, 58px); margin: 16px 0 16px; }
.post-excerpt { color: var(--muted); font-size: 20px; line-height: 1.55; max-width: 760px; }
.byline { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.byline img { width: 44px; height: 44px; border-radius: 50%; object-fit: cover; }
.byline b { display: block; font-size: 15px; }
.byline span { color: var(--muted); font: 500 13px/1.4 var(--mono); }
.post-cover { margin: 0; border-radius: 24px; overflow: hidden; background: var(--chip); }
.post-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }

.post-layout { display: grid; grid-template-columns: 220px minmax(0, 720px) 200px; justify-content: space-between; gap: 48px; padding-top: 56px; }
.post-toc, .post-side { position: sticky; top: 96px; align-self: start; }
.post-toc b, .share b { display: block; font: 600 12px/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.post-toc ol { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; border-left: 2px solid var(--border); }
.post-toc a { display: block; padding-left: 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--muted); text-decoration: none; font-size: 14px; line-height: 1.4; }
.post-toc a:hover, .post-toc a.on { color: var(--ink); border-color: var(--mark); }
.post-tags { list-style: none; margin: 0 0 28px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.post-tags li { padding: 6px 11px; border-radius: 999px; background: var(--chip); font-size: 12px; font-weight: 500; }
.share { display: grid; gap: 8px; }
.share a, .share button {
  display: block; text-align: left; padding: 9px 14px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface);
  color: var(--ink); font: 500 14px/1.2 var(--display); text-decoration: none; cursor: pointer;
}
.share a:hover, .share button:hover { border-color: var(--mark); color: var(--mark); }

/* Article typography */
.prose { font-size: 18px; line-height: 1.75; color: var(--ink); }
.prose > * + * { margin-top: 1.1em; }
.prose h2 { font-size: 30px; letter-spacing: -0.02em; margin-top: 2em; scroll-margin-top: 96px; }
.prose h3 { font-size: 22px; letter-spacing: -0.01em; margin-top: 1.6em; scroll-margin-top: 96px; }
.prose p, .prose li { color: var(--ink); }
.prose a { color: var(--mark); text-underline-offset: 3px; }
.prose strong { font-weight: 700; }
.prose ul, .prose ol { padding-left: 1.3em; }
.prose li + li { margin-top: .45em; }
.prose li::marker { color: var(--mark); }
.prose blockquote { margin: 1.6em 0; padding: 4px 0 4px 22px; border-left: 4px solid var(--lime); font-size: 20px; color: var(--muted); }
.prose code { font: 500 .88em/1.5 var(--mono); background: var(--chip); padding: 2px 6px; border-radius: 6px; }
.prose pre { background: #0b0524; color: #e9e7ff; padding: 20px 22px; border-radius: 16px; overflow-x: auto; }
.prose pre code { background: none; padding: 0; color: inherit; font-size: 14px; }
.prose img { border-radius: 16px; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2.4em 0; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 14px; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); }
.prose th { font: 600 12px/1.4 var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); background: var(--tint); }
.prose tr:last-child td { border-bottom: 0; }

.post-end { max-width: 1200px; padding: 64px 0 24px; display: grid; gap: 24px; }
.author-card { display: flex; gap: 20px; align-items: center; padding: 24px; border-radius: 20px; background: var(--tint); border: 1px solid var(--border); }
.author-card img { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex: none; }
.author-card b { display: block; font-size: 18px; }
.author-card p { color: var(--muted); margin: 4px 0 8px; }
.author-card a { display: inline-flex; align-items: center; gap: 6px; color: var(--mark); font-weight: 600; text-decoration: none; }
.post-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.post-nav a { display: block; padding: 20px 22px; border-radius: 18px; border: 1px solid var(--border); background: var(--surface); text-decoration: none; color: var(--ink); }
.post-nav a:hover { border-color: var(--mark); }
.post-nav .next { text-align: right; }
.post-nav small { display: block; font: 600 12px/1 var(--mono); color: var(--muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 8px; }
.post-nav b { font-size: 16px; line-height: 1.35; }
.more-posts { padding: 72px 0 112px; background: var(--tint); margin-top: 72px; }
.more-posts .post-grid { margin-top: 0; }

@media (max-width: 1180px) {
  .post-layout { grid-template-columns: minmax(0, 720px) 220px; justify-content: center; }
  .post-toc { display: none; }
}
@media (max-width: 860px) {
  .post-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .post-side { position: static; }
  .share { grid-template-columns: repeat(2, 1fr); }
  .post-lead .post-card.lead { grid-template-columns: 1fr; grid-template-rows: none; gap: 0; }
  .post-lead .post-card.lead > *, .post-lead .post-card.lead .pc-im { grid-column: auto; grid-row: auto; }
  .post-lead .post-card.lead .pc-meta { margin-top: 14px; }
}
@media (max-width: 560px) {
  .blog-hero { padding: 48px 0 56px; }
  .post-head { padding-top: 36px; }
  .post-excerpt { font-size: 17px; }
  .prose { font-size: 17px; }
  .prose h2 { font-size: 25px; }
  .post-cover { border-radius: 16px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-nav .next { text-align: left; }
  .author-card { align-items: flex-start; }
}