/* ========================================================================
 * pages/blog_post.css
 *
 * Styles specific to the blog post page — restyled to the Hiroi UI design
 * system (warm neutrals --ink/--surface/--bg, teal --accent, shared type via
 * --f-ui/--f-mono, hiroi-card + hiroi-badge recipes). Shared tokens, nav,
 * footer, buttons, and animation primitives come from
 * static/css/public-shared.css + hiroi-ui.css + hiroi-theme.css (loaded
 * before this file).
 * ======================================================================== */



/* READING PROGRESS */
.progress{position:fixed;top:55px;left:0;height:2px;background:var(--accent);width:0;z-index:99;transition:width 80ms linear;}


/* LAYOUT */
.article-wrap{max-width:1120px;margin:0 auto;padding:100px 24px 0;}

.article-layout{display:grid;grid-template-columns:1fr 720px 1fr;gap:32px;align-items:start;}


/* BREADCRUMB */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:20px;flex-wrap:wrap;}

.crumb a{color:var(--ink-3);transition:color var(--fast);}

.crumb a:hover{color:var(--link);}

.crumb-sep{color:var(--border-strong);}

.crumb-cur{color:var(--ink-2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:300px;}


/* POST HEADER */
.post-header{max-width:720px;margin-bottom:36px;}

/* category eyebrow — hiroi-badge: brand-soft tint, mono voice, pill radius */
.post-cat{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.12em;color:var(--voltage-text);margin-bottom:18px;padding:4px 12px;border-radius:var(--r-full);background:var(--teal-soft);box-shadow:var(--hi-soft);}

.post-cat::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--accent);}

.post-title{font-family:var(--f-display);font-size:clamp(2rem,4.5vw,2.8rem);font-weight:700;letter-spacing:-.028em;line-height:1.1;margin-bottom:18px;text-wrap:pretty;}

.post-lede{font-size:18px;color:var(--ink-2);line-height:1.55;max-width:640px;text-wrap:pretty;}

.post-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:22px;margin-top:22px;border-top:1px solid var(--border);}

.author-card{display:flex;align-items:center;gap:10px;}

.author-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#0d9488,#134e4a);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:#fff;}

.author-name{font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.2;}

.author-role{font-size:11.5px;color:var(--ink-3);line-height:1.2;}

.post-meta-extra{margin-left:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-3);}

.meta-dot{width:3px;height:3px;border-radius:50%;background:var(--border-strong);}


/* HERO VIZ (replaces stock image) */
.post-viz{max-width:720px;height:320px;border-radius:var(--r-lg);background:linear-gradient(135deg,#0d9488 0%,#0f766e 55%,#134e4a 100%);position:relative;overflow:hidden;margin-bottom:48px;padding:26px;}

.post-viz::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 22% 28%,rgba(255,255,255,.22) 0%,transparent 45%),radial-gradient(circle at 82% 72%,rgba(96,165,250,.3) 0%,transparent 55%);pointer-events:none;}

.post-viz::after{content:'';position:absolute;inset:0;background-image:linear-gradient(90deg,transparent 29px,rgba(255,255,255,.06) 30px),linear-gradient(0deg,transparent 29px,rgba(255,255,255,.04) 30px);background-size:30px 30px;mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(ellipse at center,#000 30%,transparent 80%);}

.viz-panel{position:absolute;background:rgba(0,0,0,.36);backdrop-filter:blur(14px);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-md);padding:14px 16px;color:#fff;font-size:12px;line-height:1.5;}

.viz-panel.p1{top:30px;left:30px;width:240px;}

.viz-panel.p2{top:30px;right:30px;width:240px;}

.viz-panel.p3{bottom:30px;left:50%;transform:translateX(-50%);width:320px;}

.viz-label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:rgba(255,255,255,.65);margin-bottom:8px;display:flex;align-items:center;gap:6px;}

.viz-label::before{content:'';width:5px;height:5px;border-radius:50%;background:#34d399;box-shadow:0 0 8px #34d399;}

.viz-line{font-family:var(--f-mono);font-size:11px;color:rgba(255,255,255,.92);margin-bottom:4px;}

.viz-line .k{color:rgba(255,255,255,.55);}

.viz-line .v{color:#7dd3fc;}

.viz-line .ok{color:#34d399;}

.viz-line .pending{color:#fcd34d;}

.viz-transcript{font-size:11.5px;color:rgba(255,255,255,.85);font-style:italic;}

.viz-transcript .caller{color:rgba(255,255,255,.6);font-style:normal;}


/* TOC */
.toc{position:sticky;top:90px;padding:4px 0 0 0;max-width:200px;justify-self:end;}

.toc-title{font-family:var(--f-mono);font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);margin-bottom:14px;}

.toc-list{list-style:none;display:flex;flex-direction:column;gap:2px;}

.toc a{display:block;font-size:12.5px;line-height:1.45;color:var(--ink-3);padding:6px 10px 6px 14px;border-left:2px solid var(--border);transition:color var(--fast),border-color var(--fast),background var(--fast);}

.toc a:hover{color:var(--ink);border-color:var(--border-strong);}

.toc a.active{color:var(--voltage-text);border-color:var(--accent);background:var(--teal-soft);}


/* SHARE RAIL */
.share-rail{position:sticky;top:90px;display:flex;flex-direction:column;gap:6px;padding-top:4px;justify-self:start;}

.share-label{font-family:var(--f-mono);font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--ink-3);margin-bottom:8px;}

.share-btn{width:36px;height:36px;border-radius:var(--r-md);border:1px solid var(--border);background:var(--surface);color:var(--ink-2);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:color var(--fast),border-color var(--fast),background var(--fast),transform var(--fast);}

.share-btn:hover{color:var(--voltage-text);border-color:var(--accent);background:var(--teal-soft);transform:translateY(-1px);}

.share-btn svg{width:14px;height:14px;}

.share-copied{font-size:11px;color:var(--voltage-text);font-weight:600;opacity:0;transition:opacity var(--fast);margin-top:4px;text-align:center;}

.share-copied.on{opacity:1;}

/* A denied clipboard has to LOOK different from a successful copy. */
.share-copied.failed{color:var(--danger-text);}


/* ARTICLE */
.article{max-width:720px;font-size:17px;line-height:1.72;color:var(--ink);font-family:var(--f-ui);}

.article h2{font-family:var(--f-display);font-size:26px;font-weight:700;letter-spacing:-.02em;line-height:1.22;margin-top:56px;margin-bottom:14px;scroll-margin-top:80px;}

.article h2:first-child{margin-top:0;}

.article h3{font-family:var(--f-display);font-size:20px;font-weight:600;letter-spacing:-.012em;line-height:1.28;margin-top:36px;margin-bottom:10px;scroll-margin-top:80px;}

.article p{margin:18px 0;color:var(--ink);text-wrap:pretty;}

.article p strong{font-weight:600;color:var(--ink);}

.article a:not(.btn){color:var(--link);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 35%,transparent);text-underline-offset:3px;transition:text-decoration-color var(--fast);}

.article a:not(.btn):hover{text-decoration-color:var(--accent);}

.article a.btn{text-decoration:none;}

.article a.btn-p{color:var(--teal-on);}

.article a.btn-s{color:var(--ink);}

.article ul,.article ol{margin:18px 0;padding-left:22px;}

.article li{margin:8px 0;}

.article ul li::marker{color:var(--accent);}


/* PULL QUOTE — editorial, not a UI component. The display face, the size shift
   and the air do the work; no accent rule and no tinted plate. */
.pullquote{margin:44px 0;padding:0 28px;font-family:var(--f-display);font-size:22px;line-height:1.42;color:var(--ink-2);font-style:italic;letter-spacing:-.01em;}


/* CODE */
.article pre{background:#0f172a;color:#e2e8f0;padding:18px 20px;border-radius:var(--r-md);overflow-x:auto;margin:22px 0;font-family:var(--f-mono);font-size:13px;line-height:1.62;border:1px solid var(--border);position:relative;}

[data-theme="dark"] .article pre{background:#080707;border-color:#2a2623;}

.article pre .c-key{color:#7dd3fc;}

.article pre .c-str{color:#fcd34d;}

.article pre .c-com{color:#64748b;font-style:italic;}

.article pre .c-num{color:#f472b6;}

.article pre .c-op{color:#94a3b8;}

.article code:not(pre code){background:var(--bg-sunken);padding:.1em .42em;border-radius:4px;font-family:var(--f-mono);font-size:.88em;border:1px solid var(--border);color:var(--ink);}


/* BLOCKQUOTE — markdown '>' in a post body. Editorial, not a UI component:
   an indent, italics, the secondary ink and generous air set it apart from
   body copy. No accent rule, no card surface. */
.article blockquote{margin:30px 0;padding:2px 0 2px 26px;}

.article blockquote p{margin:0;color:var(--ink-2);font-size:16px;line-height:1.66;font-style:italic;}

.article blockquote p + p{margin-top:12px;}

.article blockquote p strong{color:var(--ink);}


/* CALLOUT — hiroi-card surface (milled top-lip + soft key shadow). */
.callout{margin:28px 0;padding:20px 22px;border-radius:var(--r-md);background:var(--surface);box-shadow:var(--hi),var(--sh-1);display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;}

.callout-icon{width:32px;height:32px;border-radius:var(--r-sm);background:var(--teal-soft);color:var(--voltage-text);display:flex;align-items:center;justify-content:center;flex-shrink:0;}

.callout-icon svg{width:16px;height:16px;}

.callout-title{font-size:13px;font-weight:700;letter-spacing:-.005em;margin-bottom:4px;}

.callout p{font-size:14px;color:var(--ink-2);margin:0;line-height:1.6;}


/* SCHEMA CARD — hiroi-card surface. */
.schema{margin:28px 0;border-radius:var(--r-md);background:var(--surface);box-shadow:var(--hi),var(--sh-1);overflow:hidden;}

.schema-hd{padding:12px 18px;background:var(--bg-sunken);border-bottom:1px solid var(--border);font-family:var(--f-mono);font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2);display:flex;align-items:center;gap:8px;}

.schema-hd::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 6px var(--accent);}

.schema-row{display:grid;grid-template-columns:auto 1fr auto;gap:14px;padding:12px 18px;align-items:center;border-bottom:1px solid var(--border);}

.schema-row:last-child{border-bottom:none;}

.schema-key{font-family:var(--f-mono);font-size:12.5px;color:var(--ink);font-weight:500;}

.schema-type{font-family:var(--f-mono);font-size:11px;color:var(--ink-3);}

.schema-val{font-family:var(--f-mono);font-size:12px;}

/* Text grade, not a raw hex — #059669 was 3.77:1 at 12px and never followed the theme. */
.schema-val.filled{color:var(--success-text);}

.schema-val.pending{color:var(--ink-3);font-style:italic;}


/* DIVIDER */
.article hr{border:none;height:1px;background:var(--border);margin:48px 0;}


/* TAGS + CTA */
.post-tags{max-width:720px;margin:48px 0 0;padding-top:28px;border-top:1px solid var(--border);display:flex;gap:8px;flex-wrap:wrap;align-items:center;}

.tags-label{font-size:12px;color:var(--ink-3);margin-right:4px;}

/* tag pills — hiroi-badge: neutral sunken fill, mono voice, pill radius */
.tag{font-family:var(--f-mono);font-size:12px;font-weight:500;color:var(--ink-2);padding:4px 10px;background:var(--bg-sunken);border:1px solid var(--border);border-radius:var(--r-full);transition:color var(--fast),border-color var(--fast),background var(--fast);}

.tag:hover{color:var(--voltage-text);border-color:color-mix(in srgb,var(--accent) 30%,var(--border));background:var(--teal-soft);}


/* author bio — hiroi-card recipe (borderless raised surface, --hi + --sh-1). */
.post-author-card{max-width:720px;margin-top:32px;padding:22px 24px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--hi),var(--sh-1);display:flex;gap:16px;align-items:flex-start;}

.post-author-card .author-avatar{width:48px;height:48px;font-size:16px;flex-shrink:0;}

.post-author-card h4{font-size:15px;font-weight:600;margin-bottom:3px;}

.post-author-card .author-role{font-size:12px;margin-bottom:8px;}

.post-author-card p{font-size:13.5px;color:var(--ink-2);line-height:1.58;}


.cta-banner{max-width:720px;margin:48px 0;padding:40px;border-radius:var(--r-lg);background:linear-gradient(135deg,var(--bg-sunken) 0%,var(--surface) 100%);box-shadow:var(--hi),var(--sh-1);position:relative;overflow:hidden;}

.cta-banner::before{content:'';position:absolute;top:-80px;right:-80px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,var(--teal-soft) 0%,transparent 70%);pointer-events:none;}

.cta-banner h3{font-family:var(--f-display);font-size:22px;font-weight:700;letter-spacing:-.018em;margin-bottom:8px;position:relative;}

.cta-banner p{font-size:14.5px;color:var(--ink-2);line-height:1.58;margin-bottom:20px;max-width:480px;position:relative;}

.cta-btns{display:flex;gap:10px;flex-wrap:wrap;position:relative;}

.cta-btns .btn{padding:9px 20px;font-size:14px;}

/* CTA banner buttons — hiroi-ui .hi-btn look (voltage-fill primary +
   milled-neutral secondary). public-shared's unlayered .btn-p/.btn-s outrank
   hiroi-ui's @layer'd component rules, so the shipped appearance is restated
   here in hiroi tokens (same pattern as hub/pricing). */
.cta-btns .btn-p:not(.hi-btn){
  background:var(--teal-fill);
  background:linear-gradient(180deg,
    color-mix(in srgb,var(--teal-fill) 88%,#fff),var(--teal-fill));
  color:var(--teal-on);
  box-shadow:var(--hi-fill,var(--hi)),var(--sh-1);
}
.cta-btns .btn-p:not(.hi-btn):hover{
  background:var(--color-primary-active);
  transform:translateY(-1px);
  box-shadow:var(--hi-fill,var(--hi)),var(--sh-2),
    0 10px 28px color-mix(in srgb,var(--accent) 22%,transparent);
}
.cta-btns .btn-p:not(.hi-btn):active{transform:translateY(1px);box-shadow:var(--sh-1);}

.cta-btns .btn-s:not(.hi-btn){
  background:var(--surface);color:var(--ink);border:1px solid var(--border);
  box-shadow:var(--hi),var(--sh-1);
}
.cta-btns .btn-s:not(.hi-btn):hover{
  background:var(--color-surface-hover);border-color:var(--border-strong);
  color:var(--ink);transform:translateY(-1px);box-shadow:var(--hi),var(--sh-2);
}
.cta-btns .btn-s:not(.hi-btn):active{transform:translateY(1px);box-shadow:var(--sh-1);}


/* RELATED */
.related{max-width:1120px;margin:72px auto 0;padding:0 24px;}

.related h3{font-family:var(--f-mono);font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.12em;color:var(--ink-3);margin-bottom:18px;}

.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}

/* related cards — hiroi-card recipe (borderless raised surface, --hi + --sh-1). */
.rel-card{padding:20px;border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--hi),var(--sh-1);transition:box-shadow var(--base),transform var(--base);}

.rel-card:hover{box-shadow:var(--hi),var(--sh-3);transform:translateY(-2px);}

.rel-cat{font-family:var(--f-mono);font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--voltage-text);margin-bottom:10px;}

.rel-card h4{font-family:var(--f-display);font-size:15px;font-weight:600;letter-spacing:-.01em;line-height:1.3;margin-bottom:8px;}

.rel-card p{font-size:12.5px;color:var(--ink-2);line-height:1.55;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}

.rel-meta{font-size:11.5px;color:var(--ink-3);}


/* RESPONSIVE */
@media(max-width:1200px){
  .article-layout{grid-template-columns:1fr 680px 60px;gap:24px;}
  .toc{display:none;}
}

@media(max-width:900px){
  .article-layout{grid-template-columns:1fr;}
  .share-rail{display:none;}
  .post-viz{height:240px;padding:18px;}
  .viz-panel.p1,.viz-panel.p2{width:200px;}
  .viz-panel.p3{width:85%;bottom:20px;}
  .related-grid{grid-template-columns:1fr;}
}

@media(max-width:640px){
  .nav-link{display:none;}.nav-ham{display:inline-flex;}
  .article-wrap{padding:88px 18px 0;}
  .post-viz{height:200px;}
  .viz-panel{display:none;}
  .viz-panel.p3{display:block;width:90%;}
  .cta-banner{padding:26px 22px;}
  .post-meta-extra{margin-left:0;}
  .footer-in{justify-content:center;text-align:center;flex-direction:column;}
}