/* ============================================================
   Larkway Blog — article layout on top of styles.css tokens
   ============================================================ */

.blog-hero { padding: 72px 0 36px; }
.blog-hero .eyebrow { justify-content: flex-start; }
.blog-hero h1 {
  font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; letter-spacing: -0.028em;
  line-height: 1.12; color: var(--ink); max-width: 820px;
}
.blog-hero .lead { margin-top: 18px; font-size: 18px; line-height: 1.65; color: var(--muted); max-width: 760px; }
.blog-meta { margin-top: 22px; display: flex; flex-wrap: wrap; gap: 10px 18px; font-size: 13.5px; color: var(--muted-2); font-weight: 600; }
.blog-meta .tag { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-text); border: 1px solid var(--brand-edge); font-size: 12.5px; }

.article { max-width: 780px; margin: 0 auto; padding: 8px 32px 88px; }
.article h2 { font-size: clamp(22px, 2.6vw, 28px); font-weight: 800; letter-spacing: -0.02em; line-height: 1.25; color: var(--ink); margin: 56px 0 16px; }
.article h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin: 34px 0 10px; }
.article p { font-size: 16.5px; line-height: 1.8; color: var(--ink-2); margin: 0 0 16px; }
.article ul, .article ol { padding-left: 22px; margin: 0 0 18px; }
.article li { font-size: 16.5px; line-height: 1.75; color: var(--ink-2); margin-bottom: 6px; }
.article li > p { margin-bottom: 6px; }
.article strong { color: var(--ink); font-weight: 700; }
.article a { color: var(--brand-text); font-weight: 600; border-bottom: 1px solid var(--brand-edge); }
.article a:hover { border-bottom-color: var(--brand); }
.article code { font-family: var(--font-mono); font-size: 0.86em; background: var(--brand-soft); color: var(--brand-2); padding: 2px 6px; border-radius: 6px; }
.article blockquote {
  margin: 20px 0 22px; padding: 14px 20px; border-left: 3px solid var(--brand);
  background: var(--surface-2); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--ink-2);
}
.article blockquote p { margin: 0; font-size: 16px; }
.article hr { border: 0; border-top: 1px solid var(--border); margin: 44px 0; }
.article .terminal { margin: 18px 0 24px; }
.article .terminal pre { line-height: 1.75; font-size: 12.8px; white-space: pre; }
.article .terminal .out { color: #e2e8f0; }
.article .terminal .hl { color: #fbbf24; }

/* callout */
.callout { display: flex; gap: 14px; padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--r-md); background: var(--surface); box-shadow: var(--sh-xs); margin: 18px 0 24px; }
.callout .ic { flex: 0 0 auto; width: 20px; height: 20px; color: var(--brand); margin-top: 2px; }
.callout p { margin: 0; font-size: 15px; line-height: 1.65; }
.callout.warn .ic { color: var(--degraded); }

/* feishu-style chat replay */
.chat-demo { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--sh-md); overflow: hidden; margin: 20px 0 28px; }
.chat-demo .head { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--border-soft); font-size: 13px; color: var(--muted); font-weight: 600; }
.chat-demo .head .grp { color: var(--ink); font-weight: 700; }
.chat-demo .body { padding: 16px; display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 10px; align-items: flex-start; }
.msg .av { flex: 0 0 auto; width: 32px; height: 32px; border-radius: 9px; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #fff; background: var(--muted); }
.msg .av.me { background: #0ea5e9; }
.msg .av.bot { background: var(--brand); }
.msg .bub { flex: 1; min-width: 0; }
.msg .who { font-size: 12.5px; color: var(--muted); font-weight: 600; margin-bottom: 4px; }
.msg .who .robot { display: inline-flex; align-items: center; gap: 3px; margin-left: 6px; padding: 1px 6px; border-radius: 6px; background: var(--brand-soft); color: var(--brand-text); font-size: 11px; }
.msg .text { font-size: 14.5px; line-height: 1.65; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--border-soft); border-radius: 12px; padding: 10px 14px; white-space: pre-wrap; }
.msg .text .at { color: var(--brand-text); font-weight: 700; }
.msg .card { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--surface); }
.msg .card .ct { padding: 9px 14px; font-size: 12.5px; font-weight: 700; color: var(--brand-text); background: var(--brand-soft); border-bottom: 1px solid var(--brand-edge); }
.msg .card .cb { padding: 12px 14px; font-size: 14px; line-height: 1.65; color: var(--ink-2); }
.msg .card .cb p { margin: 0 0 8px; font-size: 14px; }
.msg .card .cb p:last-child { margin: 0; }
.msg .card table { width: 100%; border-collapse: collapse; font-size: 13px; margin: 6px 0 10px; }
.msg .card th, .msg .card td { text-align: left; padding: 5px 8px; border-bottom: 1px solid var(--border-soft); }
.msg .card th { color: var(--muted); font-weight: 600; }
.msg .card .pill { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 700; background: var(--serving-soft); color: var(--serving-text); border: 1px solid var(--serving-edge); }

/* flow strip */
.flow { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin: 18px 0 26px; }
.flow .node { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); font-size: 14px; font-weight: 600; color: var(--ink); box-shadow: var(--sh-xs); }
.flow .node .ic { width: 16px; height: 16px; color: var(--brand); }
.flow .arrow { color: var(--muted-2); font-weight: 700; }

/* comparison table */
.cmp { width: 100%; border-collapse: collapse; margin: 14px 0 26px; font-size: 15px; }
.cmp th, .cmp td { padding: 11px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; line-height: 1.55; }
.cmp th { color: var(--muted); font-weight: 600; font-size: 13.5px; }
.cmp td:first-child { font-weight: 700; color: var(--ink); white-space: nowrap; }
.cmp-wrap { overflow-x: auto; }

/* list page */
.post-list { max-width: 780px; margin: 0 auto; padding: 8px 32px 88px; display: grid; gap: 16px; }
.post-card { display: block; padding: 22px 24px; border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--surface); box-shadow: var(--sh-sm); transition: transform .18s, box-shadow .18s, border-color .18s; }
.post-card:hover { transform: translateY(-2px); box-shadow: var(--sh-md); border-color: var(--brand-edge); }
.post-card h3 { font-size: 20px; font-weight: 800; letter-spacing: -0.015em; color: var(--ink); line-height: 1.3; }
.post-card p { margin-top: 8px; font-size: 15px; line-height: 1.65; color: var(--muted); }
.post-card .meta { margin-top: 12px; font-size: 13px; color: var(--muted-2); font-weight: 600; }

.back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--muted); margin-bottom: 8px; }
.back:hover { color: var(--brand); }

@media (max-width: 720px) {
  .blog-hero { padding: 48px 0 24px; }
  .article, .post-list { padding-left: 20px; padding-right: 20px; }
  .article p, .article li { font-size: 16px; }
  .nav-links { display: none; }
}