/* ZilverNet Signals — blog styles.
 * Shares tokens with the product pages so the blog reads as part of the site.
 * Generated pages under /blog/ load this; edit here, not in the HTML. */
/* Product-page tokens, so the blog reads as part of the site. */
  :root {
    --bg: #0a0d12; --panel: #0d1117; --surface: #161b22; --surface-2: #1c2128;
    --border: #30363d; --border-soft: #21262d;
    --text: #e6edf3; --text-dim: #8b949e; --text-strong: #f0f6fc;
    --ok: #3fb950; --warning: #d29922; --blue: #58a6ff; --link: #79c0ff; --purple: #bc8cff;
    --grad: linear-gradient(135deg, #630094 0%, #e4007f 100%);
    --int: linear-gradient(135deg, #22d3ee 0%, #818cf8 50%, #7c3aed 100%);
    --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
    --shadow: 0 1px 0 rgba(255,255,255,.03) inset, 0 8px 24px rgba(0,0,0,.4);
    /* category hues — always paired with a text label, never colour alone */
    --c-ai: #a78bfa; --c-robo: #22d3ee; --c-inv: #f0b429; --c-econ: #3fb950;
    --c-comp: #58a6ff; --c-sci: #ff7b72; --c-news: #e4007f; --c-oss: #fb923c;
  }
  [data-theme="light"] {
    --bg: #ffffff; --panel: #ffffff; --surface: #f6f8fa; --surface-2: #eaeef2;
    --border: #d0d7de; --border-soft: #e6eaef;
    --text: #1f2328; --text-dim: #656d76; --text-strong: #010409;
    --ok: #1a7f37; --warning: #9a6700; --blue: #0969da; --link: #0969da; --purple: #8250df;
    --shadow: 0 1px 2px rgba(31,35,40,.08), 0 4px 16px rgba(31,35,40,.06);
    --c-ai: #8250df; --c-robo: #0e7490; --c-inv: #9a6700; --c-econ: #1a7f37;
    --c-comp: #0969da; --c-sci: #bc4c00; --c-news: #bf0068; --c-oss: #c2410c;
  }
  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body { margin: 0; background: var(--bg); color: var(--text);
    font-family: 'Montserrat', -apple-system, sans-serif; line-height: 1.6; font-size: 15px; }
  a { color: var(--link); text-decoration: none; }
  a:hover { text-decoration: underline; }
  .mono { font-family: var(--mono); }
  .wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
  @media (max-width: 640px) { .wrap { padding: 0 16px; } }

  

  /* ── shared pieces ── */
  .eyebrow { font-size: .72rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase;
    background: var(--int); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
  .cat { display: inline-flex; align-items: center; gap: 6px; font-size: .68rem; font-weight: 700;
    letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim); }
  .cat::before { content: ''; width: 8px; height: 8px; border-radius: 2px; background: var(--cc, var(--text-dim)); }
  .cat.ai { --cc: var(--c-ai); } .cat.robo { --cc: var(--c-robo); } .cat.inv { --cc: var(--c-inv); }
  .cat.econ { --cc: var(--c-econ); } .cat.comp { --cc: var(--c-comp); } .cat.sci { --cc: var(--c-sci); } .cat.news { --cc: var(--c-news); } .cat.oss { --cc: var(--c-oss); }
  /* open-model specs: license, size, where it runs — the three things that decide whether you can use it */
  .spec { display: flex; flex-wrap: wrap; gap: 5px; }
  .spec span { font-family: var(--mono); font-size: .68rem; color: var(--text-dim); border: 1px solid var(--border);
    background: var(--surface); border-radius: 5px; padding: 1px 7px; }
  .spec span.lic { color: var(--c-oss); border-color: color-mix(in srgb, var(--c-oss) 40%, var(--border)); }

  /* Maturity: the question this audience actually asks is "how real is this?" */
  .mat { display: inline-flex; align-items: center; gap: 8px; font-size: .66rem; font-weight: 800; letter-spacing: .07em;
    text-transform: uppercase; color: var(--text-dim); white-space: nowrap; }
  .mat .steps { display: inline-flex; gap: 2px; }
  .mat .steps i { width: 12px; height: 6px; border-radius: 2px; background: var(--surface-2); border: 1px solid var(--border); }
  .mat .steps i.f { background: var(--mc); border-color: var(--mc); }
  .mat b { color: var(--mc); font-weight: 800; }
  .mat[data-s="1"] { --mc: var(--c-sci); } .mat[data-s="2"] { --mc: var(--c-inv); } .mat[data-s="3"] { --mc: var(--c-robo); }
  .mat[data-s="4"] { --mc: var(--c-econ); } .mat[data-s="5"] { --mc: var(--c-comp); }

  .meta { color: var(--text-dim); font-size: .8rem; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; }
  .meta .sep::before { content: '·'; }
  .btn { display: inline-flex; align-items: center; gap: 8px; border-radius: 9px; padding: 10px 16px; font: inherit;
    font-size: .86rem; font-weight: 600; cursor: pointer; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
  .btn.p { background: var(--grad); border: 0; color: #fff; }
  .btn:hover { text-decoration: none; filter: brightness(1.1); }

  /* ════════════ INDEX ════════════ */
  .hero { padding: calc(var(--zn-nav-h, 64px) + 56px) 0 28px; position: relative; }
  .hero::before { content: ''; position: absolute; inset: 0; pointer-events: none;
    background: radial-gradient(700px 320px at 15% 0%, rgba(124,58,237,.22), transparent 70%),
                radial-gradient(500px 260px at 85% 10%, rgba(34,211,238,.10), transparent 70%); }
  .hero h1 { font-size: clamp(1.9rem, 4.2vw, 3rem); line-height: 1.12; letter-spacing: -.02em;
    color: var(--text-strong); margin: 12px 0 14px; max-width: 820px; font-weight: 800; }
  .hero p { color: var(--text-dim); font-size: 1.05rem; max-width: 640px; margin: 0; }

  .toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 18px 0 22px;
    border-bottom: 1px solid var(--border-soft); margin-bottom: 28px; position: relative; }
  .chips { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; }
  .chip { border: 1px solid var(--border); background: transparent; color: var(--text-dim); border-radius: 999px;
    padding: 6px 12px; font: inherit; font-size: .78rem; font-weight: 600; cursor: pointer; display: inline-flex; gap: 7px; align-items: center; }
  .chip i { width: 7px; height: 7px; border-radius: 2px; background: var(--cc); }
  .chip.on { color: var(--text-strong); border-color: var(--text-dim); background: var(--surface); }
  .search { position: relative; }
  .search input { background: var(--surface); border: 1px solid var(--border); color: var(--text); border-radius: 9px;
    padding: 9px 12px 9px 34px; font: inherit; font-size: 16px; width: 240px; outline: none; }
  @media (min-width: 900px) { .search input { font-size: .84rem; } }
  .search input:focus { border-color: var(--purple); }
  .search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); color: var(--text-dim); }
  @media (max-width: 720px) { .search, .search input { width: 100%; } }

  .layout { display: block; }

  .feature { display: grid; grid-template-columns: 1.1fr 1fr; border: 1px solid var(--border);
    border-radius: 16px; overflow: hidden; background: var(--panel); margin-bottom: 28px; box-shadow: var(--shadow); }
  @media (max-width: 760px) { .feature { grid-template-columns: 1fr; } }
  .feature .art { min-height: 260px; position: relative; overflow: hidden; background: #0c0612; }
  .feature .body { padding: 26px 26px 24px; display: flex; flex-direction: column; gap: 12px; }
  .feature h2 { margin: 0; font-size: 1.5rem; line-height: 1.25; color: var(--text-strong); letter-spacing: -.01em; }
  .feature h2 a { color: inherit; }
  .feature p { margin: 0; color: var(--text-dim); }
  .takeaway { margin-top: auto; border: 1px solid color-mix(in srgb, var(--c-econ) 35%, var(--border));
    background: color-mix(in srgb, var(--c-econ) 6%, transparent); border-radius: 10px; padding: 10px 12px; font-size: .82rem; }
  .takeaway b { color: var(--text-strong); }

  .cover { position: absolute; inset: 0; }
  .cover svg { width: 100%; height: 100%; display: block; }

  .sect-h { display: flex; align-items: baseline; gap: 12px; margin: 0 0 14px; }
  .sect-h h3 { margin: 0; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); font-weight: 800; }
  .sect-h a { margin-left: auto; font-size: .8rem; }

  .grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
  @media (max-width: 640px) { .grid { grid-template-columns: minmax(0, 1fr); } }
  .card { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--panel);
    display: flex; flex-direction: column; transition: border-color .15s, transform .15s; }
  .card:hover { border-color: var(--text-dim); transform: translateY(-2px); }
  .card .art { height: 128px; position: relative; background: #0c0612; }
  .card .body { padding: 16px 18px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
  .card .row1 { display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; }
  .card h4 { margin: 0; font-size: 1.04rem; line-height: 1.35; color: var(--text-strong); }
  .card h4 a { color: inherit; }
  .card p { margin: 0; color: var(--text-dim); font-size: .86rem; }
  .card .meta { margin-top: auto; padding-top: 6px; }
  .card.hide { display: none; }

  .panel { border: 1px solid var(--border); border-radius: 14px; background: var(--panel); padding: 16px 18px; }
  .panel h5 { margin: 0 0 4px; font-size: .74rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); font-weight: 800; }
  .panel .sub { color: var(--text-dim); font-size: .78rem; margin-bottom: 10px; }

  /* ════════════ ARTICLE ════════════ */
  .progress { position: fixed; top: var(--zn-nav-h, 64px); left: 0; height: 2px; background: var(--int); width: 0; z-index: 40; }
  .art-head { padding: calc(var(--zn-nav-h, 64px) + 40px) 0 0; }
  .crumbs { font-size: .8rem; color: var(--text-dim); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
  .crumbs a { color: var(--text-dim); }
  .art-head h1 { font-size: clamp(1.8rem, 3.8vw, 2.75rem); line-height: 1.15; letter-spacing: -.02em;
    color: var(--text-strong); margin: 16px 0 14px; max-width: 900px; font-weight: 800; }
  .dek { font-size: 1.12rem; color: var(--text-dim); max-width: 760px; margin: 0 0 18px; }
  .byline { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 16px 0; border-top: 1px solid var(--border-soft);
    border-bottom: 1px solid var(--border-soft); }
  .av { width: 38px; height: 38px; border-radius: 50%; background: var(--int); display: grid; place-items: center;
    font-weight: 800; font-size: .8rem; color: #fff; flex-shrink: 0; }
  .byline .who { flex: 1; min-width: 0; }
  .byline .who b { display: block; color: var(--text-strong); font-size: .9rem; }
  .byline .who span { color: var(--text-dim); font-size: .78rem; }
  .byline .tools { margin-left: auto; display: flex; gap: 8px; }
  .icon-btn { width: 36px; height: 36px; border-radius: 9px; border: 1px solid var(--border); background: var(--surface);
    display: grid; place-items: center; color: var(--text-dim); cursor: pointer; }
  .icon-btn:hover { color: var(--text-strong); }

  .art-layout { display: grid; grid-template-columns: 180px minmax(0, 1fr) 260px; gap: 40px; padding: 32px 0 60px; }
  .art-layout > .prose { max-width: 720px; }
  @media (max-width: 1100px) { .art-layout { grid-template-columns: minmax(0, 1fr); } .toc { display: none; } .art-aside { display: none; } }
  .toc { position: sticky; top: calc(var(--zn-nav-h, 64px) + 24px); align-self: start; font-size: .82rem; }
  .toc h6 { margin: 0 0 10px; font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
  .toc a { display: block; color: var(--text-dim); padding: 5px 0 5px 12px; border-left: 2px solid var(--border-soft); }
  .toc a.on { color: var(--text-strong); border-left-color: #7c3aed; }
  .toc a:hover { text-decoration: none; color: var(--text-strong); }

  /* signature element: the whole argument before a word of prose */
  .short { border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 30px; background: var(--panel); box-shadow: var(--shadow); }
  .short .gh { display: flex; align-items: center; gap: 10px; padding: 12px 16px; background: var(--surface); border-bottom: 1px solid var(--border); flex-wrap: wrap; }
  .short .gh b { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--text-dim); }
  .short .gh .mat { margin-left: auto; }
  .short dl { margin: 0; display: grid; grid-template-columns: 160px 1fr; }
  .short dt, .short dd { margin: 0; padding: 11px 16px; border-bottom: 1px solid var(--border-soft); font-size: .88rem; }
  .short dt { color: var(--text-dim); font-weight: 600; }
  .short dl > *:nth-last-child(-n+2) { border-bottom: 0; }
  @media (max-width: 560px) { .short dl { grid-template-columns: 1fr; } .short dt { padding-bottom: 0; border: 0; } }
  .ladder { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; margin: 4px 0 2px; }
  .ladder span { font-size: .64rem; text-transform: uppercase; letter-spacing: .05em; text-align: center; padding: 5px 2px;
    border-radius: 5px; background: var(--surface-2); color: var(--text-dim); border: 1px solid var(--border-soft); }
  .ladder span.f { background: color-mix(in srgb, var(--c-robo) 18%, transparent); color: var(--text-strong); border-color: color-mix(in srgb, var(--c-robo) 40%, transparent); }
  .ladder span.now { outline: 2px solid var(--c-robo); outline-offset: 1px; }

  .prose { font-size: 1.02rem; line-height: 1.75; }
  .prose h2 { font-size: 1.4rem; color: var(--text-strong); margin: 40px 0 10px; letter-spacing: -.01em; scroll-margin-top: 90px; }
  .prose h3 { font-size: 1.08rem; color: var(--text-strong); margin: 28px 0 8px; }
  .prose p { margin: 0 0 16px; }
  .prose ul { padding-left: 20px; margin: 0 0 16px; }
  .prose li { margin-bottom: 6px; }
  .prose blockquote { margin: 22px 0; padding: 4px 0 4px 18px; border-left: 3px solid #7c3aed; color: var(--text-strong); font-size: 1.08rem; }

  .figure { border: 1px solid var(--border); border-radius: 12px; background: var(--panel); margin: 18px 0 22px; padding: 16px 16px 12px; }
  .figure .fh { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; margin-bottom: 8px; }
  .figure .fh b { color: var(--text-strong); font-size: .92rem; }
  .figure svg { width: 100%; height: auto; display: block; }
  .figure figcaption { font-size: .76rem; color: var(--text-dim); margin-top: 8px; }
  .figure .lg { display: flex; gap: 16px; font-size: .74rem; color: var(--text-dim); margin-top: 4px; }
  .figure .lg span { display: inline-flex; align-items: center; gap: 6px; }
  .figure .lg i { width: 14px; height: 3px; border-radius: 2px; }

  .callout { display: flex; gap: 12px; border-radius: 12px; padding: 14px 16px; margin: 22px 0; border: 1px solid; font-size: .92rem; }
  .callout.info { border-color: color-mix(in srgb, var(--blue) 35%, transparent); background: color-mix(in srgb, var(--blue) 6%, transparent); }
  .callout .ic { font-size: 1.1rem; line-height: 1.5; }
  .callout p { margin: 0; }

  .timeline { list-style: none; padding: 0; margin: 18px 0 26px; position: relative; }
  .timeline::before { content: ''; position: absolute; left: 6px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
  .timeline li { position: relative; padding: 0 0 16px 28px; }
  .timeline li::before { content: ''; position: absolute; left: 0; top: 6px; width: 14px; height: 14px; border-radius: 50%;
    background: var(--bg); border: 2px solid var(--tc, var(--text-dim)); }
  .timeline time { font-family: var(--mono); font-size: .76rem; color: var(--text-dim); display: block; }
  .timeline b { color: var(--text-strong); }

  .watch { border: 1px solid var(--border); border-radius: 14px; background: var(--panel); margin: 18px 0 26px; overflow: hidden; }
  .watch div { display: grid; grid-template-columns: 26px 1fr; gap: 10px; padding: 12px 16px; border-top: 1px solid var(--border-soft); font-size: .92rem; }
  .watch div:first-child { border-top: 0; }
  .watch .n { font-family: var(--mono); color: var(--c-robo); font-size: .82rem; padding-top: 2px; }
  .watch b { color: var(--text-strong); }

  .sources { border-top: 1px solid var(--border-soft); margin-top: 36px; padding-top: 20px; }
  .sources ol { padding-left: 20px; font-size: .88rem; color: var(--text-dim); }
  .sources li { margin-bottom: 6px; }
  .updates { margin-top: 20px; border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; font-size: .86rem; background: var(--panel); }
  .updates b { color: var(--text-strong); }
  .updates ul { list-style: none; margin: 8px 0 0; padding: 0; }
  .updates li { padding: 6px 0; border-top: 1px solid var(--border-soft); display: flex; gap: 12px; }
  .updates time { font-family: var(--mono); font-size: .76rem; color: var(--text-dim); white-space: nowrap; }

  .cta { margin: 34px 0 0; border-radius: 16px; padding: 22px 24px; border: 1px solid var(--border);
    background: radial-gradient(500px 200px at 0% 0%, rgba(124,58,237,.25), transparent 70%), var(--panel);
    display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
  .cta img { width: 44px; height: 44px; }
  .cta div { flex: 1; min-width: 220px; }
  .cta b { color: var(--text-strong); display: block; margin-bottom: 2px; }
  .cta p { margin: 0; color: var(--text-dim); font-size: .88rem; }

  .art-aside { align-self: start; position: sticky; top: calc(var(--zn-nav-h, 64px) + 24px); }
  .related a.r { display: block; padding: 12px 0; border-top: 1px solid var(--border-soft); color: var(--text); }
  .related a.r:first-of-type { border-top: 0; }
  .related a.r b { display: block; font-size: .88rem; line-height: 1.4; color: var(--text-strong); margin-top: 4px; }
  .related a.r:hover { text-decoration: none; }
  .related a.r:hover b { color: var(--link); }

  @media (max-width: 560px) {
    .byline { flex-wrap: nowrap; align-items: flex-start; }
    .byline .tools { flex-direction: column; gap: 6px; }
    .art-head, .brief-head { padding-top: calc(var(--zn-nav-h, 64px) + 22px); }
    .hero { padding-top: calc(var(--zn-nav-h, 64px) + 30px); }

  }

  .srcline { margin-top: auto; padding-top: 6px; font-size: .76rem; color: var(--text-dim); }
  .srcline a { font-weight: 600; }
  .card .row1 { justify-content: flex-start; gap: 10px; } .card .row1 .mat { margin-left: auto; }
  .empty-cat { padding: 40px 16px; text-align: center; color: var(--text-dim); border: 1px dashed var(--border); border-radius: 14px; }
  .record { border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin: 14px 0 6px; background: var(--panel); font-size: .86rem; }
  .record .rr { display: grid; grid-template-columns: 90px 140px 1fr 1fr; gap: 12px; padding: 10px 14px; border-top: 1px solid var(--border-soft); }
  .record .rr:first-child { border-top: 0; }
  .record .rh { background: var(--surface); font-size: .66rem; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; color: var(--text-dim); }
  .record .miss { color: var(--c-sci); } .record .open { color: var(--text-dim); }
  @media (max-width: 640px) { .record .rr { grid-template-columns: 1fr; gap: 2px; } .record .rh { display: none; }
    .record .rr span:first-child { font-family: var(--mono); font-size: .74rem; color: var(--text-dim); } }
  .figcap { font-size: .76rem !important; color: var(--text-dim); margin-top: 4px !important; }

  /* event date: when the thing happened, kept separate from when we wrote about it */
  .when { display: inline-flex; align-items: center; gap: 6px; align-self: flex-start; font-size: .7rem; font-weight: 600;
    color: var(--text-dim); border: 1px solid var(--border); background: var(--surface); border-radius: 6px; padding: 2px 8px; }
  .when b { color: var(--text-strong); font-weight: 600; }
  .when svg { color: var(--c-robo); }
  .tag-feat { font-size: .66rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 2px 8px; border-radius: 6px;
    color: #fff; background: var(--grad); }
  /* uniform rows: clamp title and excerpt so every card in a row lines up */
  .card h4 { display: -webkit-box; -webkit-line-clamp: 4; -webkit-box-orient: vertical; overflow: hidden; }
  .card p  { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .cfoot { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--border-soft); display: flex; gap: 14px; align-items: center;
    font-size: .74rem; color: var(--text-dim); flex-wrap: wrap; }
  .cfoot span { display: inline-flex; align-items: center; gap: 5px; }
  .cfoot .srcs { margin-left: auto; }
  .cfoot .srcs a { font-weight: 600; }
  .card .spec { margin-bottom: 4px; }
  .feature .cfoot { margin-top: 4px; }
  .pill-src { font-size: .66rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text-dim);
    border: 1px solid var(--border); border-radius: 5px; padding: 1px 6px; }
  .art-img { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
  .card .art, .feature .art { overflow: hidden; }
  .credit { position: absolute; right: 8px; bottom: 6px; z-index: 2; font-size: .6rem; font-weight: 600; letter-spacing: .02em;
    color: #fff; background: rgba(0,0,0,.55); padding: 1px 6px; border-radius: 4px; }
  .hero-img { margin: 0 0 26px; border: 1px solid var(--border); border-radius: 14px; overflow: hidden; background: var(--panel); }
  .hero-img img { width: 100%; display: block; max-height: 420px; }
  .hero-img figcaption { font-size: .74rem; color: var(--text-dim); padding: 8px 14px; border-top: 1px solid var(--border-soft); background: var(--panel); }

/* anchors land below the fixed nav */
#s-short, #s-sources, .prose h2[id] { scroll-margin-top: calc(var(--zn-nav-h, 64px) + 24px); }
/* print: just the article */
@media print {
  .zn-nav, .zn-foot, .toc, .art-aside, .byline .tools, .progress, .zn-chat, .zn-fab { display: none !important; }
  body { background: #fff; color: #000; }
  .art-layout { display: block; }
}