/* Model Catalog — browsable page styles (T65).
 * Extracted verbatim from the former inline <style> block in index.html.
 * Hand-authored source (committed); the page links it via <link>. */

      /* Self-hosted fonts (T75) — no runtime request to a third-party font host.
       * Each file is the Google Fonts latin subset of the family's variable font
       * (one file per family covers its whole weight axis); see public/fonts/. */
      @font-face {
        font-family: "Inter"; font-style: normal; font-weight: 400 700;
        font-display: swap; src: url("./fonts/inter-latin.woff2") format("woff2");
      }
      @font-face {
        font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 600 800;
        font-display: swap; src: url("./fonts/plus-jakarta-sans-latin.woff2") format("woff2");
      }
      @font-face {
        font-family: "JetBrains Mono"; font-style: normal; font-weight: 400 500;
        font-display: swap; src: url("./fonts/jetbrains-mono-latin.woff2") format("woff2");
      }

      :root {
        color-scheme: light;
        --bg: #fbfaf9;
        --bg-alt: #f5f2ef;
        --card: #ffffff;
        --text: #1a1512;
        --muted: #7a6f66;
        --border: #ececec;
        --border-strong: #e0dcd7;
        /* Viglet brand — warm orange */
        --brand: #ea580c;
        --brand-2: #f97316;
        --brand-3: #c2410c;
        --brand-ink: #9a3412;
        --brand-wash: #fff4ec;
        --shadow-card: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px -12px rgba(194,65,12,.14);
        --shadow-hover: 0 4px 12px rgba(0,0,0,.06), 0 18px 40px -18px rgba(194,65,12,.28);
        --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
        --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
        --brand-font: "Plus Jakarta Sans", var(--sans);
      }
      [data-theme="dark"] {
        color-scheme: dark;
        --bg: #100c0a;
        --bg-alt: #17110d;
        --card: #1b1512;
        --text: #f3ece7;
        --muted: #a8988c;
        --border: #2a201a;
        --border-strong: #35291f;
        --brand: #fb923c;
        --brand-2: #f97316;
        --brand-3: #fdba74;
        --brand-ink: #fdba74;
        --brand-wash: #26170d;
        --shadow-card: 0 1px 2px rgba(0,0,0,.4), 0 10px 30px -14px rgba(0,0,0,.6);
        --shadow-hover: 0 4px 14px rgba(0,0,0,.5), 0 22px 44px -18px rgba(0,0,0,.7);
      }

      * { box-sizing: border-box; }
      html { scroll-behavior: smooth; scroll-padding-top: 5rem; }
      body {
        margin: 0; background: var(--bg); color: var(--text);
        font-family: var(--sans); font-size: 15.5px; line-height: 1.6;
        -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
        font-feature-settings: 'rlig' 1, 'calt' 1;
      }
      a { color: var(--brand-3); text-decoration: none; }
      a:hover { text-decoration: underline; }
      code, pre { font-family: var(--mono); }
      h1, h2, h3 { font-family: var(--brand-font); letter-spacing: -.02em; }
      .wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.5rem; }

      /* ── Nav ─────────────────────────────────────────── */
      nav {
        position: sticky; top: 0; z-index: 50;
        background: color-mix(in srgb, var(--bg) 82%, transparent);
        backdrop-filter: saturate(180%) blur(12px);
        border-bottom: 1px solid var(--border);
      }
      .nav-inner { display: flex; align-items: center; gap: 1.25rem; height: 3.9rem; }
      .brand {
        display: flex; align-items: center; gap: .55rem; font-family: var(--brand-font);
        font-weight: 800; font-size: 1.02rem; color: var(--text); letter-spacing: -.02em;
      }
      .brand:hover { text-decoration: none; }
      .brand .brand-logo { width: 1.9rem; height: 1.9rem; display: block; flex-shrink: 0; }
      .brand .sub { color: var(--muted); font-weight: 500; font-size: .82rem; font-family: var(--sans); }
      .nav-links { display: flex; align-items: center; gap: .35rem; margin-left: auto; }
      .nav-links a {
        color: var(--muted); font-weight: 500; font-size: .9rem; padding: .4rem .7rem;
        border-radius: .5rem;
      }
      .nav-links a:hover { color: var(--text); background: var(--bg-alt); text-decoration: none; }
      .icon-btn {
        display: grid; place-items: center; width: 2.2rem; height: 2.2rem; cursor: pointer;
        border: 1px solid var(--border-strong); border-radius: .6rem; background: var(--card);
        color: var(--muted); font-size: 1rem;
      }
      .icon-btn:hover { color: var(--text); border-color: var(--brand); }
      .btn-gh {
        display: inline-flex; align-items: center; gap: .4rem; font-size: .88rem; font-weight: 600;
        padding: .45rem .8rem; border-radius: .6rem; border: 1px solid var(--border-strong);
        background: var(--card); color: var(--text);
      }
      .btn-gh:hover { border-color: var(--brand); text-decoration: none; }
      @media (max-width: 720px) { .nav-hide-sm { display: none; } }
      /* Compact mobile menu (T57) — the hamburger + dropdown appear only < 720px. */
      .nav-only-sm { display: none; }
      @media (max-width: 720px) { .nav-only-sm { display: grid; } }
      /* Default hidden (the `hidden` attr alone loses to an author `display` rule);
         shown only when toggled open, and never on desktop where the ☰ button is gone. */
      .nav-menu {
        display: none; flex-direction: column; padding: .4rem 1.5rem 1rem;
        border-top: 1px solid var(--border); background: var(--bg);
      }
      .nav-menu:not([hidden]) { display: flex; }
      @media (min-width: 721px) { .nav-menu { display: none !important; } }
      .nav-menu a { color: var(--text); font-weight: 600; font-size: .95rem; padding: .6rem .2rem; border-bottom: 1px solid var(--border); }
      .nav-menu a:last-child { border-bottom: none; }
      .nav-menu a:hover { color: var(--brand-3); text-decoration: none; }

      /* ── Hero ────────────────────────────────────────── */
      header {
        position: relative; overflow: hidden;
        background:
          radial-gradient(ellipse 70% 60% at 50% -20%, rgba(249,115,22,.16), transparent 60%),
          var(--bg);
        border-bottom: 1px solid var(--border);
      }
      .fx { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
      .fx span {
        position: absolute; font-family: var(--mono); font-weight: 500;
        color: var(--brand-3); opacity: .07; user-select: none;
        animation: drift linear infinite;
      }
      [data-theme="dark"] .fx span { opacity: .09; color: var(--brand-2); }
      @keyframes drift {
        0%   { transform: translateY(14vh) rotate(0deg); }
        100% { transform: translateY(-14vh) rotate(8deg); }
      }
      @media (prefers-reduced-motion: reduce) { .fx span { animation: none; } }
      .hero { position: relative; text-align: center; padding: 5.5rem 0 4.5rem; }
      .eyebrow {
        display: inline-flex; align-items: center; gap: .5rem; margin-bottom: 1.4rem;
        padding: .35rem .8rem .35rem .5rem; border-radius: 999px;
        background: var(--brand-wash); border: 1px solid color-mix(in srgb, var(--brand) 25%, transparent);
        color: var(--brand-ink); font-size: .8rem; font-weight: 600;
      }
      .eyebrow .dot { width: .55rem; height: .55rem; border-radius: 999px; background: var(--brand-2);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 22%, transparent); }
      .hero h1 {
        margin: 0 auto .9rem; max-width: 20ch; font-size: clamp(2.3rem, 5.5vw, 3.6rem);
        font-weight: 800; line-height: 1.05;
      }
      .hero h1 .grad {
        background: linear-gradient(120deg, var(--brand-3), var(--brand-2) 60%, #fb923c);
        -webkit-background-clip: text; background-clip: text; color: transparent;
      }
      .hero p.lead {
        margin: 0 auto; max-width: 44rem; font-size: 1.12rem; color: var(--muted);
      }
      .cta { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; margin: 2rem 0 2.5rem; }
      .btn {
        display: inline-flex; align-items: center; gap: .5rem; font-weight: 600; font-size: .95rem;
        padding: .7rem 1.25rem; border-radius: .7rem; cursor: pointer; border: 1px solid transparent;
        transition: transform .12s ease, box-shadow .12s ease;
      }
      .btn:hover { text-decoration: none; transform: translateY(-1px); }
      .btn-primary {
        color: #fff; background: linear-gradient(135deg, var(--brand-2), var(--brand-3));
        box-shadow: 0 4px 14px 0 rgba(194,65,12,.34);
      }
      .btn-primary:hover { box-shadow: 0 10px 26px -6px rgba(194,65,12,.5); }
      [data-theme="dark"] .btn-primary { color: #1a0e05; }
      .btn-ghost { background: var(--card); border-color: var(--border-strong); color: var(--text); }
      .btn-ghost:hover { border-color: var(--brand); }

      /* Stat pills */
      .stats {
        display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 2.4rem;
        margin-top: .5rem;
      }
      .stat { text-align: center; }
      .stat .n {
        font-family: var(--brand-font); font-weight: 800; font-size: 1.9rem; line-height: 1;
        background: linear-gradient(135deg, var(--brand-3), var(--brand-2));
        -webkit-background-clip: text; background-clip: text; color: transparent;
      }
      .stat .l { display: block; margin-top: .35rem; color: var(--muted); font-size: .82rem;
        text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

      /* ── Sections ────────────────────────────────────── */
      section.block { padding: 4.5rem 0; }
      section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
      .sec-head { text-align: center; max-width: 40rem; margin: 0 auto 2.6rem; }
      .sec-head .kicker { color: var(--brand-3); font-weight: 700; font-size: .82rem;
        text-transform: uppercase; letter-spacing: .08em; }
      .sec-head h2 { margin: .5rem 0 .6rem; font-size: clamp(1.6rem, 3.5vw, 2.1rem); }
      .sec-head p { margin: 0; color: var(--muted); font-size: 1.03rem; }

      /* Feature cards */
      .grid { display: grid; gap: 1.1rem; }
      .grid > * { min-width: 0; }
      .grid-4 { grid-template-columns: repeat(4, 1fr); }
      .grid-3 { grid-template-columns: repeat(3, 1fr); }
      @media (max-width: 900px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: 1fr; } }
      @media (max-width: 560px) { .grid-4 { grid-template-columns: 1fr; } }
      .feat {
        background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
        padding: 1.5rem; box-shadow: var(--shadow-card); transition: transform .15s, box-shadow .15s, border-color .15s;
      }
      .feat:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--brand) 40%, var(--border)); }
      .feat .ic {
        width: 2.7rem; height: 2.7rem; border-radius: .7rem; display: grid; place-items: center;
        font-size: 1.3rem; margin-bottom: .9rem;
        background: var(--brand-wash); color: var(--brand-3);
        border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent);
      }
      .feat h3 { margin: 0 0 .4rem; font-size: 1.08rem; }
      .feat p { margin: 0; color: var(--muted); font-size: .93rem; }

      /* ── Explorer ────────────────────────────────────── */
      .controls {
        display: flex; flex-wrap: wrap; gap: .7rem; align-items: center;
        margin-bottom: 1.4rem;
      }
      .search-wrap { flex: 1 1 18rem; position: relative; min-width: 12rem; }
      .search-wrap svg { position: absolute; left: .8rem; top: 50%; transform: translateY(-50%);
        width: 1.05rem; height: 1.05rem; color: var(--muted); pointer-events: none; }
      input[type="search"] {
        width: 100%; padding: .7rem .9rem .7rem 2.4rem; font-size: .95rem; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: .7rem; background: var(--card); color: var(--text);
      }
      input[type="search"]:focus { outline: none; border-color: var(--brand);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 20%, transparent); }
      .filters { display: flex; flex-wrap: wrap; gap: .4rem; }
      .filters button {
        padding: .45rem .8rem; font-size: .82rem; font-weight: 600; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: 999px; background: var(--card);
        color: var(--muted); cursor: pointer; transition: all .12s;
      }
      .filters button:hover { border-color: var(--brand); color: var(--text); }
      .filters button[aria-pressed="true"] {
        background: linear-gradient(135deg, var(--brand-2), var(--brand-3)); color: #fff;
        border-color: transparent; box-shadow: 0 2px 8px -1px rgba(194,65,12,.4);
      }
      [data-theme="dark"] .filters button[aria-pressed="true"] { color: #1a0e05; }

      .vendor { margin-bottom: 1.1rem; background: var(--card); border: 1px solid var(--border);
        border-radius: 1rem; overflow: hidden; box-shadow: var(--shadow-card); }
      .vendor-head {
        display: flex; align-items: center; gap: .7rem; padding: .95rem 1.1rem;
        border-bottom: 1px solid var(--border); cursor: pointer; user-select: none;
      }
      .vendor-head:hover { background: var(--bg-alt); }
      .avatar {
        width: 2.1rem; height: 2.1rem; border-radius: .55rem; display: grid; place-items: center;
        font-weight: 800; font-size: .82rem; color: #fff; font-family: var(--brand-font); flex: none;
      }
      .vendor-head h3 { margin: 0; font-size: 1rem; }
      .vendor-head .count {
        margin-left: auto; color: var(--muted); font-size: .8rem; font-weight: 600;
        background: var(--bg-alt); padding: .15rem .6rem; border-radius: 999px; border: 1px solid var(--border);
      }
      .vendor-head .chev { color: var(--muted); transition: transform .18s; font-size: .8rem; }
      .vendor.collapsed .chev { transform: rotate(-90deg); }
      .vendor.collapsed .mcard-grid { display: none; }
      table { width: 100%; border-collapse: collapse; }
      thead th {
        text-align: left; font-size: .68rem; text-transform: uppercase; letter-spacing: .06em;
        color: var(--muted); padding: .55rem .8rem; background: var(--bg-alt); font-weight: 700;
        border-bottom: 1px solid var(--border); white-space: nowrap;
      }
      tbody td { padding: .6rem .8rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
      tbody tr:last-child td { border-bottom: none; }
      tbody tr:hover { background: color-mix(in srgb, var(--brand) 5%, transparent); }
      td .mid { font-family: var(--mono); font-size: .86rem; font-weight: 500; }
      td .lbl { color: var(--muted); font-size: .8rem; margin-top: .1rem; }

      /* ── Browse card grid (T68) ──────────────────────── */
      /* Each model is a self-contained card. Two per row by default (the rail is
         collapsed, so the grid has the full width); stretch → equal-height rows. */
      .mcard-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; align-items: stretch; }
      /* Filters open → the rail eats ~15.5rem, so drop the cards to one per row. */
      .browse-layout:not(.rail-collapsed) .mcard-grid { grid-template-columns: minmax(0, 1fr); }
      @media (max-width: 640px) { .mcard-grid { grid-template-columns: minmax(0, 1fr); } }
      .vendor > .mcard-grid { padding: 1rem; }
      .mcard {
        display: flex; flex-direction: column; gap: .7rem; min-width: 0;
        background: var(--card); border: 1px solid var(--border); border-radius: .9rem;
        padding: 1rem 1.05rem; box-shadow: var(--shadow-card); cursor: pointer;
        transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
      }
      .vendor > .mcard-grid .mcard { box-shadow: none; }
      .mcard:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover);
        border-color: color-mix(in srgb, var(--brand) 40%, var(--border)); }
      .mcard:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
      .mcard-top { display: flex; align-items: flex-start; gap: .6rem; }
      .mcard-top .avatar { width: 1.9rem; height: 1.9rem; border-radius: .5rem; font-size: .74rem; }
      .mcard-title { min-width: 0; flex: 1; }
      /* The id gets the full card width (badges now sit on their own row); break long
         monospace ids only when they'd otherwise overflow. */
      .mcard-idrow { display: flex; align-items: baseline; gap: .4rem; }
      .mcard .mid { font-family: var(--mono); font-size: .9rem; font-weight: 600; overflow-wrap: anywhere; min-width: 0; }
      .mcard-idrow .permalink, .mcard-idrow .pin { flex: none; }
      .mcard .lbl { color: var(--muted); font-size: .8rem; margin-top: .15rem; }
      /* One row of qualitative chips (kind · tier · use-case). */
      .mcard-chips { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; }
      .mcard-chips .chip { margin: 0; }
      /* Label-less metrics: an inline icon + the raw value (no chip box, so the
         numbers get the space the chip padding used to eat). Meaning is in the
         tooltip. Pushed to the card's bottom so equal-height cards line them up. */
      .mcard-metrics { display: flex; flex-wrap: wrap; gap: .35rem .95rem; margin-top: auto; padding-top: .2rem; }
      .metric {
        display: inline-flex; align-items: center; gap: .3rem; cursor: help;
        font-family: var(--mono); font-size: .84rem; font-weight: 600; color: var(--text);
      }
      .metric.plain { font-family: var(--sans); }
      .metric .mic { width: .95rem; height: .95rem; flex: none; color: var(--brand-3); }
      .metric .mval { min-width: 0; }
      .mcard-none { margin: auto 0 0; padding-top: .2rem; font-size: .82rem; }
      .badge {
        display: inline-flex; align-items: center; gap: .3rem; padding: .18rem .55rem; border-radius: 999px;
        font-size: .72rem; font-weight: 700; white-space: nowrap;
        background: color-mix(in srgb, var(--kc) 15%, transparent); color: var(--kc);
        border: 1px solid color-mix(in srgb, var(--kc) 32%, transparent);
      }
      .chip {
        display: inline-block; margin: .12rem .25rem 0 0; padding: .12rem .45rem;
        border: 1px solid var(--border-strong); border-radius: .45rem; font-size: .72rem;
        color: var(--muted); background: var(--bg-alt); white-space: nowrap;
      }
      .chip.num { color: var(--brand-3); border-color: color-mix(in srgb, var(--brand) 25%, transparent);
        background: var(--brand-wash); font-family: var(--mono); font-weight: 500; }

      /* ── Ask the catalog (T61) ───────────────────────── */
      /* flex-end → the Ask button stays bottom-aligned as the textarea grows. */
      /* flex-end → the Ask button stays bottom-aligned as the textarea grows;
         the top margin separates the input from the chips / thread above it. */
      .ask-form { display: flex; gap: .7rem; max-width: 46rem; margin: 1rem auto 0; align-items: flex-end; }
      .ask-input { flex: 1 1 auto; position: relative; }
      .ask-input svg { position: absolute; left: .85rem; top: .95rem;
        width: 1.05rem; height: 1.05rem; color: var(--muted); pointer-events: none; }
      /* Auto-growing question box (T63): a 1-row textarea; JS sets its height to the
         content's scrollHeight on input. resize:none + hidden overflow keep it tidy. */
      #ask-q {
        display: block; width: 100%; padding: .8rem 1rem .8rem 2.5rem; font-size: .98rem;
        font-family: var(--sans); line-height: 1.5; border: 1px solid var(--border-strong);
        border-radius: .7rem; background: var(--card); color: var(--text);
        resize: none; overflow-y: hidden; max-height: 11rem;
      }
      #ask-q:focus { outline: none; border-color: var(--brand);
        box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 20%, transparent); }
      #ask-send { white-space: nowrap; flex: none; }
      #ask-send:disabled { opacity: .6; cursor: progress; }
      .ask-examples { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center;
        justify-content: center; max-width: 46rem; margin: .9rem auto 0; }
      /* `hidden` must beat the author display above (as .nav-menu / .sort-menu do),
         or the example chips + reset button never actually toggle (T63). */
      .ask-examples[hidden], #ask-clear[hidden] { display: none; }
      .ask-ex-label { color: var(--muted); font-size: .82rem; font-weight: 600; }
      .ask-ex {
        padding: .35rem .7rem; font-size: .82rem; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: 999px; background: var(--card);
        color: var(--muted); cursor: pointer; transition: all .12s;
      }
      .ask-ex:hover { border-color: var(--brand); color: var(--text); }
      .ask-privacy { display: flex; align-items: flex-start; gap: .4rem; max-width: 46rem;
        margin: .55rem auto 0; color: var(--muted); font-size: .78rem; line-height: 1.5; }
      .ask-privacy svg { flex: none; margin-top: .18rem; opacity: .8; }
      .ask-toolbar { display: flex; justify-content: flex-end; max-width: 46rem; margin: 1.2rem auto 0; }
      .ask-answer {
        max-width: 46rem; margin: .6rem auto 0; padding: 1.3rem 1.5rem;
        background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
        box-shadow: var(--shadow-card);
      }
      /* Chat thread (T63): a column of turns, question above its answer. */
      .ask-thread { display: flex; flex-direction: column; gap: 1rem; }
      .ask-turn { display: flex; }
      .ask-turn.user { justify-content: flex-end; }
      .ask-turn.assistant { justify-content: flex-start; }
      .ask-bubble { max-width: 88%; border-radius: .9rem; }
      .ask-turn.user .ask-bubble {
        padding: .55rem .9rem; background: var(--brand-wash); color: var(--text);
        border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
        border-bottom-right-radius: .3rem; font-weight: 500;
      }
      .ask-turn.assistant .ask-bubble {
        max-width: 100%; padding: .1rem .1rem; background: none; border-bottom-left-radius: .3rem;
      }
      .ask-text { line-height: 1.7; }
      .ask-text p { margin: 0 0 .8rem; }
      .ask-text p:last-child { margin-bottom: 0; }
      /* Rendered Markdown in the answer (T63). */
      .ask-text strong { font-weight: 700; color: var(--text); }
      .ask-text em { font-style: italic; }
      .ask-text code { font-family: var(--mono); font-size: .85em; background: var(--bg-alt);
        border: 1px solid var(--border); border-radius: .35rem; padding: .05rem .3rem; }
      .ask-text ul, .ask-text ol { margin: 0 0 .8rem; padding-left: 1.3rem; }
      .ask-text ul:last-child, .ask-text ol:last-child { margin-bottom: 0; }
      .ask-text li { margin: .15rem 0; }
      .ask-text a { color: var(--brand-3); font-weight: 600; }
      .ask-loading { display: flex; align-items: center; gap: .6rem; color: var(--muted); }
      .ask-spin { width: 1rem; height: 1rem; border-radius: 999px; flex: none;
        border: 2px solid color-mix(in srgb, var(--brand) 30%, transparent); border-top-color: var(--brand);
        animation: ask-spin .7s linear infinite; }
      @keyframes ask-spin { to { transform: rotate(360deg); } }
      .ask-error { color: var(--text); }
      .ask-cites { margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
      .ask-cites-label { display: block; font-size: .7rem; text-transform: uppercase; letter-spacing: .06em;
        color: var(--muted); font-weight: 700; margin-bottom: .55rem; }
      .ask-cite-list { display: flex; flex-wrap: wrap; gap: .5rem; }
      .ask-cite {
        display: inline-flex; align-items: baseline; gap: .4rem; padding: .35rem .7rem;
        border: 1px solid var(--border-strong); border-radius: .55rem; background: var(--bg-alt);
        text-decoration: none; transition: all .12s;
      }
      .ask-cite:hover { border-color: var(--brand); background: var(--brand-wash); text-decoration: none; }
      .ask-cite .mid { font-family: var(--mono); font-size: .84rem; font-weight: 500; color: var(--text); }
      .ask-cite-plain { color: var(--muted); cursor: default; }
      /* Numbered footnote badge on each cited chip (T77) — matches the inline [n]. */
      .ask-cite-num { display: inline-flex; align-items: center; justify-content: center;
        min-width: 1.35em; height: 1.35em; padding: 0 .3em; border-radius: .4rem;
        background: var(--brand-wash); color: var(--brand-3); font-size: .72rem; font-weight: 700; }
      /* Inline citation footnote in the answer prose (T77): a small superscript link
         to the matching cited model; the number mirrors its "Cited models" chip. */
      .ask-cite-ref { display: inline-block; min-width: 1.1em; padding: 0 .32em; margin: 0 .08em;
        font-size: .68em; font-weight: 700; line-height: 1.5; vertical-align: super;
        border-radius: .35em; background: var(--brand-wash); color: var(--brand-3);
        text-decoration: none; text-align: center; }
      .ask-cite-ref:hover { background: var(--brand); color: #fff; text-decoration: none; }
      .ask-cite-ref-plain { background: var(--bg-alt); color: var(--muted); }
      .ask-summary { margin: .2rem 0 .9rem; font-size: .82rem; font-style: italic; }
      .ask-caveat { margin: 1rem 0 0; font-size: .8rem; }
      @media (max-width: 560px) {
        .ask-form { flex-direction: column; }
        #ask-send { width: 100%; }
      }

      /* ── Code / API ──────────────────────────────────── */
      .card {
        background: var(--card); border: 1px solid var(--border); border-radius: 1rem;
        box-shadow: var(--shadow-card); overflow: hidden; margin-bottom: 1.1rem;
      }
      .card-body { padding: 1.4rem 1.5rem; }
      .card h3 { margin: 0 0 .3rem; font-size: 1.15rem; }
      .card .meta { color: var(--muted); font-size: .9rem; }
      table.endpoints td, table.endpoints th { padding: .6rem .5rem; }
      table.endpoints td:first-child { white-space: nowrap; }
      table.endpoints code { font-size: .82rem; }
      .codeblock { position: relative; }
      pre {
        margin: 0; overflow-x: auto; background: #14100c; color: #f3ece7;
        padding: 1rem 1.1rem; border-radius: .7rem; font-size: .86rem; line-height: 1.65;
        border: 1px solid var(--border-strong);
      }
      .codeblock pre { padding-right: 4.2rem; }
      [data-theme="dark"] pre { background: #0c0906; }
      pre .cm { color: #8a7a6a; }
      pre .tk { color: #fdba74; }
      .copy {
        position: absolute; top: .55rem; right: .55rem; padding: .3rem .6rem; font-size: .74rem;
        font-weight: 600; font-family: var(--sans); cursor: pointer; border-radius: .45rem;
        background: rgba(255,255,255,.08); color: #f3ece7; border: 1px solid rgba(255,255,255,.16);
      }
      .copy:hover { background: rgba(255,255,255,.16); }

      /* One row per SDK: language identity on the left, single-line install on the right. */
      .sdk-list { display: flex; flex-direction: column; gap: 1rem; }
      .sdk-row {
        display: grid; grid-template-columns: 18rem 1fr; align-items: center; gap: 1.4rem;
      }
      .sdk-row .sdk-id { display: flex; align-items: flex-start; gap: .9rem; }
      .sdk-row .ic-lang {
        width: 2.4rem; height: 2.4rem; border-radius: .6rem; display: grid; place-items: center;
        font-family: var(--brand-font); font-weight: 800; font-size: .85rem; color: #fff; flex-shrink: 0;
      }
      .sdk-row .sdk-meta h3 { margin: 0 0 .2rem; font-size: 1.08rem; }
      .sdk-row .sdk-meta .meta { margin: 0; }
      .sdk-row .sdk-meta code { font-size: .82rem; background: var(--bg-alt); padding: .05rem .3rem;
        border-radius: .35rem; border: 1px solid var(--border); }
      .sdk-row .install { margin: 0; min-width: 0; }
      @media (max-width: 760px) {
        .sdk-row { grid-template-columns: 1fr; gap: .7rem; }
      }
      /* Java build-tool tabs */
      .tabbed .tabs { display: flex; flex-wrap: wrap; gap: .3rem; margin-bottom: .5rem; }
      .tabbed .tab {
        font-family: var(--sans); font-size: .78rem; font-weight: 600; cursor: pointer;
        padding: .28rem .6rem; border-radius: .45rem; color: var(--muted);
        background: transparent; border: 1px solid var(--border-strong);
      }
      .tabbed .tab:hover { color: var(--text); border-color: var(--brand); }
      .tabbed .tab.active { color: #fff; background: var(--brand); border-color: var(--brand); }
      .tabbed .panel { display: none; position: relative; }
      .tabbed .panel.active { display: block; }

      /* ── Footer ──────────────────────────────────────── */
      footer { border-top: 1px solid var(--border); background: var(--bg-alt); }
      .foot { display: flex; flex-wrap: wrap; gap: 1rem; align-items: center; justify-content: space-between;
        padding: 2.2rem 0; color: var(--muted); font-size: .88rem; }
      .foot a { color: var(--muted); }
      .foot a:hover { color: var(--brand-3); }
      .foot .foot-links { display: flex; flex-wrap: wrap; gap: 1.1rem; }
      .foot-legal { flex-basis: 100%; margin: .2rem 0 0; font-size: .78rem; line-height: 1.55; opacity: .8; }

      .status { text-align: center; color: var(--muted); font-size: .9rem; padding: 1rem; }
      /* ── Pager (T67) ─────────────────────────────────── */
      .pager { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: .3rem; margin: 1.3rem 0 .3rem; }
      .pg-btn {
        min-width: 2.2rem; padding: .42rem .65rem; font-size: .84rem; font-weight: 600; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: .55rem; background: var(--card); color: var(--muted); cursor: pointer;
        transition: border-color .12s, color .12s;
      }
      .pg-btn:hover:not(:disabled) { border-color: var(--brand); color: var(--text); }
      .pg-btn.current {
        background: linear-gradient(135deg, var(--brand-2), var(--brand-3)); color: #fff; border-color: transparent;
        box-shadow: 0 2px 8px -1px rgba(194,65,12,.4); cursor: default;
      }
      [data-theme="dark"] .pg-btn.current { color: #1a0e05; }
      .pg-btn:disabled { opacity: .4; cursor: not-allowed; }
      .pg-ellipsis { color: var(--muted); padding: 0 .15rem; }
      .skeleton { height: 4.5rem; border-radius: 1rem; background: linear-gradient(90deg, var(--bg-alt), var(--card), var(--bg-alt));
        background-size: 200% 100%; animation: shimmer 1.3s infinite; margin-bottom: 1.1rem; }
      @keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

      /* ── Permalinks · card highlight · toast (T16 · T68) ── */
      .permalink {
        opacity: 0; font-family: var(--mono); font-weight: 700; color: var(--muted);
        text-decoration: none; padding: 0 .3rem; border-radius: .35rem; line-height: 1;
        transition: opacity .12s, color .12s, background .12s;
      }
      .mcard:hover .permalink, .mcard:focus-within .permalink, .permalink:focus-visible { opacity: 1; }
      .permalink:hover { color: var(--brand-3); background: var(--brand-wash); text-decoration: none; }
      @keyframes cardFlash {
        0%, 12% { border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 28%, transparent); }
        100%    { border-color: var(--border); box-shadow: var(--shadow-card); }
      }
      .mcard.row-hl { animation: cardFlash 2.4s ease-out; }
      #toast {
        position: fixed; left: 50%; bottom: 1.6rem; transform: translateX(-50%) translateY(1.4rem);
        background: var(--text); color: var(--bg); font-size: .86rem; font-weight: 600;
        padding: .55rem 1rem; border-radius: .6rem; box-shadow: var(--shadow-hover);
        opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease; z-index: 200;
      }
      #toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

      /* ── Model detail drawer (T17) ───────────────────── */
      tbody tr[data-key] { cursor: pointer; }
      #dbackdrop {
        position: fixed; inset: 0; background: rgba(0,0,0,.38); -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px); opacity: 0; pointer-events: none; transition: opacity .2s ease; z-index: 90;
      }
      #dbackdrop.show { opacity: 1; pointer-events: auto; }
      #drawer {
        position: fixed; top: 0; right: 0; height: 100%; width: min(31rem, 93vw);
        background: var(--card); border-left: 1px solid var(--border-strong);
        box-shadow: -18px 0 50px -24px rgba(0,0,0,.5); z-index: 100;
        transform: translateX(100%); transition: transform .24s cubic-bezier(.4,0,.2,1);
        display: flex; flex-direction: column; outline: none;
      }
      #drawer.open { transform: translateX(0); }
      @media (prefers-reduced-motion: reduce) { #drawer { transition: none; } }
      .drawer-head {
        display: flex; align-items: flex-start; gap: .8rem; padding: 1.3rem 1.4rem 1rem;
        border-bottom: 1px solid var(--border);
      }
      .drawer-head .avatar { width: 2.6rem; height: 2.6rem; border-radius: .6rem; font-size: .95rem; }
      .drawer-title { min-width: 0; flex: 1; }
      .drawer-title h3 { margin: 0 0 .25rem; font-size: 1.15rem; line-height: 1.2; }
      .drawer-title code { font-family: var(--mono); font-size: .82rem; color: var(--muted); word-break: break-all; }
      .drawer-close {
        flex: none; width: 2rem; height: 2rem; border-radius: .5rem; border: 1px solid var(--border-strong);
        background: var(--card); color: var(--muted); cursor: pointer; font-size: .95rem; line-height: 1;
      }
      .drawer-close:hover { color: var(--text); border-color: var(--brand); }
      .drawer-body { padding: 1.2rem 1.4rem 2rem; overflow-y: auto; flex: 1; }
      .drawer-actions { display: flex; gap: .5rem; margin-bottom: 1.3rem; flex-wrap: wrap; }
      .mini-btn {
        display: inline-flex; align-items: center; gap: .35rem; font-family: var(--sans);
        font-size: .8rem; font-weight: 600; cursor: pointer; padding: .42rem .7rem; border-radius: .5rem;
        border: 1px solid var(--border-strong); background: var(--bg-alt); color: var(--text);
      }
      .mini-btn:hover { border-color: var(--brand); color: var(--brand-3); text-decoration: none; }
      a.mini-btn:hover { text-decoration: none; }
      .dl { display: grid; grid-template-columns: max-content 1fr; gap: .55rem 1rem; margin: 0 0 1.4rem; }
      .dl dt { color: var(--muted); font-size: .82rem; font-weight: 600; }
      .dl dd { margin: 0; font-size: .9rem; }
      .dl dd .mono { font-family: var(--mono); }
      .dsection-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
        font-weight: 700; margin: 0 0 .5rem; }
      .prov {
        background: var(--brand-wash); border: 1px solid color-mix(in srgb, var(--brand) 22%, transparent);
        border-radius: .7rem; padding: .9rem 1rem;
      }
      .prov h4 { margin: 0 0 .55rem; font-size: .74rem; text-transform: uppercase; letter-spacing: .06em;
        color: var(--brand-ink); font-family: var(--brand-font); }
      .prov .src { display: inline-block; margin: 0 .3rem .3rem 0; padding: .12rem .5rem; border-radius: .4rem;
        font-size: .74rem; font-weight: 600; background: var(--card); border: 1px solid var(--border-strong); }

      /* ── Compare: pin · tray · modal (T18) ───────────── */
      .pin {
        opacity: 0; flex: none; width: 1.55rem; height: 1.55rem; border-radius: .4rem; cursor: pointer;
        border: 1px solid var(--border-strong); background: var(--card); color: var(--muted);
        font-size: .82rem; line-height: 1; display: grid; place-items: center;
        transition: opacity .12s, color .12s, background .12s, border-color .12s;
      }
      .mcard:hover .pin, .mcard:focus-within .pin, .pin[aria-pressed="true"], .pin:focus-visible { opacity: 1; }
      .pin:hover { border-color: var(--brand); color: var(--brand-3); }
      .pin[aria-pressed="true"] { background: var(--brand); border-color: var(--brand); color: #fff; }
      [data-theme="dark"] .pin[aria-pressed="true"] { color: #1a0e05; }

      #compare-tray {
        position: fixed; left: 50%; bottom: 1.2rem; transform: translateX(-50%) translateY(2rem);
        display: flex; align-items: center; gap: .7rem; max-width: min(54rem, 94vw);
        background: var(--card); border: 1px solid var(--border-strong); border-radius: .9rem;
        box-shadow: var(--shadow-hover); padding: .6rem .7rem .6rem 1rem; z-index: 80;
        opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease;
      }
      #compare-tray.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0); }
      #tray-go { padding: .5rem .95rem; font-size: .85rem; }
      #tray-go:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
      #compare-tray .tray-label { font-size: .8rem; color: var(--muted); font-weight: 700; white-space: nowrap; }
      #compare-tray .tray-chips { display: flex; gap: .4rem; flex-wrap: wrap; min-width: 0; }
      .tchip {
        display: inline-flex; align-items: center; gap: .3rem; font-size: .78rem; font-weight: 600;
        padding: .2rem .3rem .2rem .55rem; border-radius: .5rem; background: var(--bg-alt); border: 1px solid var(--border);
        max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
      }
      .tchip button { border: none; background: none; cursor: pointer; color: var(--muted); font-size: .82rem; line-height: 1; padding: 0 .1rem; }
      .tchip button:hover { color: var(--brand-3); }

      #cbackdrop {
        position: fixed; inset: 0; background: rgba(0,0,0,.42); -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px); opacity: 0; pointer-events: none; transition: opacity .2s ease; z-index: 110;
      }
      #cbackdrop.show { opacity: 1; pointer-events: auto; }
      #compare-modal {
        position: fixed; top: 50%; left: 50%; transform: translate(-50%, -48%) scale(.98);
        width: min(66rem, 94vw); max-height: 86vh; overflow: auto; z-index: 120;
        background: var(--card); border: 1px solid var(--border-strong); border-radius: 1rem;
        box-shadow: var(--shadow-hover); opacity: 0; pointer-events: none;
        transition: opacity .2s ease, transform .2s ease;
      }
      #compare-modal.show { opacity: 1; pointer-events: auto; transform: translate(-50%, -50%) scale(1); }
      @media (prefers-reduced-motion: reduce) { #compare-modal { transition: opacity .2s ease; } }
      .cmp-head {
        display: flex; align-items: center; justify-content: space-between; gap: 1rem;
        padding: 1.1rem 1.3rem; border-bottom: 1px solid var(--border);
        position: sticky; top: 0; background: var(--card); z-index: 3;
      }
      .cmp-head h3 { margin: 0; font-size: 1.1rem; }
      table.cmp { width: 100%; border-collapse: collapse; }
      table.cmp th, table.cmp td {
        padding: .7rem .9rem; border-bottom: 1px solid var(--border); border-left: 1px solid var(--border);
        text-align: left; vertical-align: top; font-size: .88rem;
      }
      table.cmp th:first-child, table.cmp td:first-child { border-left: none; }
      table.cmp thead th {
        position: sticky; top: 3.6rem; background: var(--bg-alt); z-index: 2; vertical-align: bottom;
      }
      table.cmp th[scope="row"] {
        color: var(--muted); font-size: .74rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em;
        white-space: nowrap; width: 1%; background: var(--bg-alt);
      }
      .cmp-model { display: flex; align-items: center; gap: .5rem; }
      .cmp-model .avatar { width: 1.75rem; height: 1.75rem; border-radius: .45rem; font-size: .7rem; }
      .cmp-model .nm { font-weight: 700; font-size: .9rem; display: block; }
      .cmp-model code { display: block; font-family: var(--mono); font-size: .72rem; color: var(--muted); word-break: break-all; }
      .cmp-remove { border: none; background: none; cursor: pointer; color: var(--muted); font-size: .9rem; margin-left: auto; padding: 0 .2rem; }
      .cmp-remove:hover { color: var(--brand-3); }

      /* ── Command palette (T19) ───────────────────────── */
      #palbtn { width: auto; padding: 0 .6rem; font-size: .78rem; font-weight: 600; font-family: var(--sans); letter-spacing: .02em; }
      #pbackdrop {
        position: fixed; inset: 0; background: rgba(0,0,0,.4); -webkit-backdrop-filter: blur(2px);
        backdrop-filter: blur(2px); opacity: 0; pointer-events: none; transition: opacity .16s ease; z-index: 130;
      }
      #pbackdrop.show { opacity: 1; pointer-events: auto; }
      #palette {
        position: fixed; top: 12vh; left: 50%; transform: translateX(-50%) translateY(-.5rem) scale(.98);
        width: min(38rem, 94vw); max-height: 68vh; display: flex; flex-direction: column; overflow: hidden;
        background: var(--card); border: 1px solid var(--border-strong); border-radius: .9rem;
        box-shadow: var(--shadow-hover); z-index: 140; opacity: 0; pointer-events: none;
        transition: opacity .16s ease, transform .16s ease;
      }
      #palette.show { opacity: 1; pointer-events: auto; transform: translateX(-50%) translateY(0) scale(1); }
      @media (prefers-reduced-motion: reduce) { #palette { transition: opacity .16s ease; } }
      .pal-input { display: flex; align-items: center; gap: .6rem; padding: .9rem 1rem; border-bottom: 1px solid var(--border); }
      .pal-input svg { width: 1.1rem; height: 1.1rem; color: var(--muted); flex: none; }
      .pal-input input { flex: 1; border: none; background: none; outline: none; font-family: var(--sans); font-size: 1rem; color: var(--text); }
      #pal-results { list-style: none; margin: 0; padding: .4rem; overflow-y: auto; flex: 1; }
      .pal-item { display: flex; align-items: center; gap: .7rem; padding: .55rem .6rem; border-radius: .55rem; cursor: pointer; }
      .pal-item.active, .pal-item:hover { background: var(--brand-wash); }
      .pal-ic {
        width: 1.9rem; height: 1.9rem; border-radius: .45rem; display: grid; place-items: center; flex: none;
        font-size: .8rem; font-weight: 800; color: #fff; font-family: var(--brand-font);
      }
      .pal-ic.kind, .pal-ic.model { background: var(--bg-alt); color: var(--brand-3); border: 1px solid var(--border); font-family: var(--sans); }
      .pal-main { min-width: 0; display: flex; flex-direction: column; }
      .pal-title { font-weight: 600; font-size: .92rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
      .pal-sub { color: var(--muted); font-size: .78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
      .pal-sub code { font-family: var(--mono); }
      .pal-empty { padding: 1.4rem; text-align: center; color: var(--muted); font-size: .9rem; }
      .pal-foot { padding: .5rem 1rem; border-top: 1px solid var(--border); color: var(--muted); font-size: .74rem; display: flex; gap: .9rem; }
      .pal-foot kbd {
        font-family: var(--mono); font-size: .72rem; background: var(--bg-alt); border: 1px solid var(--border-strong);
        border-radius: .3rem; padding: .05rem .3rem;
      }

      /* ── Facet rail + presets (T20 · reworked T56) ────── */
      /* minmax(0, 1fr) — not a bare 1fr — so a long unbreakable model id can't expand
         the track past the container (which shoved the whole layout right on mobile). */
      .browse-layout { display: grid; grid-template-columns: 15.5rem minmax(0, 1fr); gap: 1.4rem; align-items: start; }
      @media (max-width: 900px) { .browse-layout { grid-template-columns: minmax(0, 1fr); } }
      /* Collapsed rail (T67): the table claims the full width; the rail is removed
         from the grid entirely (not just hidden) so no empty track remains. */
      .browse-layout.rail-collapsed { grid-template-columns: minmax(0, 1fr); }
      .browse-layout.rail-collapsed > .rail { display: none; }
      .rail {
        position: sticky; top: 4.6rem; background: var(--card); border: 1px solid var(--border);
        border-radius: 1rem; padding: 1rem 1.1rem; box-shadow: var(--shadow-card);
        max-height: calc(100vh - 6rem); overflow-y: auto;
      }
      @media (max-width: 900px) { .rail { position: static; max-height: none; } }
      .rail-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: .7rem; }
      .rail-title { font-family: var(--brand-font); font-weight: 800; font-size: 1rem; }
      .rail-active { color: var(--brand-3); font-size: .78rem; font-weight: 700; }
      .rail-actions { display: flex; gap: .4rem; margin-bottom: 1rem; }
      .rail-actions .mini-btn:disabled { opacity: .45; cursor: not-allowed; }
      .presets { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .4rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
      .preset {
        font-size: .76rem; font-weight: 600; padding: .3rem .6rem; border-radius: 999px;
        border: 1px solid var(--border-strong); background: var(--bg-alt); color: var(--brand-3); cursor: pointer;
      }
      .preset:hover { border-color: var(--brand); text-decoration: none; }
      .facets { display: flex; flex-direction: column; }
      .facet-rgroup { border-top: 1px solid var(--border); }
      .facet-rgroup:first-child { border-top: none; }
      .facet-rhead { display: flex; align-items: center; gap: .45rem; width: 100%; background: none; border: none; cursor: pointer; padding: .65rem 0; font-family: var(--sans); }
      .facet-rhead .chev { color: var(--muted); font-size: .7rem; transition: transform .18s; }
      .facet-rgroup.collapsed .chev { transform: rotate(-90deg); }
      .facet-rgroup.collapsed .facet-chips { display: none; }
      .facet-rlabel { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; color: var(--muted); }
      .facet-mode { font-size: .6rem; font-weight: 700; color: var(--brand-3); background: var(--brand-wash);
        border: 1px solid color-mix(in srgb, var(--brand) 20%, transparent); border-radius: .3rem; padding: 0 .3rem; }
      .facet-nactive { margin-left: auto; background: var(--brand); color: #fff; font-size: .68rem; font-weight: 700; border-radius: 999px; padding: 0 .42rem; }
      [data-theme="dark"] .facet-nactive { color: #1a0e05; }
      .facet-chips { display: flex; flex-wrap: wrap; gap: .3rem; padding-bottom: .8rem; }
      .facet-chip { padding: .3rem .55rem; font-size: .78rem; font-weight: 600; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: 999px; background: var(--card); color: var(--muted); cursor: pointer; }
      .facet-chip:hover { border-color: var(--brand); color: var(--text); }
      .facet-chip[aria-pressed="true"] { background: linear-gradient(135deg, var(--brand-2), var(--brand-3)); color: #fff; border-color: transparent; }
      [data-theme="dark"] .facet-chip[aria-pressed="true"] { color: #1a0e05; }
      /* Group-by segmented control (T51) — sits beside the kind filters in the controls row. */
      .groupby-ctl { align-items: center; padding-left: .6rem; border-left: 1px solid var(--border-strong); }
      .groupby-ctl .gb-label {
        font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
        font-weight: 700; margin-right: .1rem;
      }
      @media (max-width: 620px) { .groupby-ctl { border-left: none; padding-left: 0; } }
      /* Pill-style control buttons (rail toggle · sort direction). */
      .chooser-btn {
        padding: .45rem .8rem; font-size: .82rem; font-weight: 600; font-family: var(--sans);
        border: 1px solid var(--border-strong); border-radius: 999px; background: var(--card);
        color: var(--muted); cursor: pointer; white-space: nowrap;
      }
      .chooser-btn:hover, .chooser-btn[aria-expanded="true"] { border-color: var(--brand); color: var(--text); }
      #rail-toggle { display: inline-flex; align-items: center; gap: .35rem; }
      /* Sort control (T68 · custom popover T69) — a themed button + menu (a native
         <select>'s dropdown can't be styled) + a direction toggle, pushed right. */
      .sort-ctl { display: flex; align-items: center; gap: .5rem; margin-left: auto; }
      .sort-lbl { font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
      .sort-pop { position: relative; }
      #sort-btn { display: inline-flex; align-items: center; gap: .4rem; }
      .sort-caret { font-size: .6rem; color: var(--muted); }
      #sort-btn[aria-expanded="true"] .sort-caret { transform: rotate(180deg); }
      .sort-menu {
        position: absolute; right: 0; top: calc(100% + .4rem); z-index: 60; min-width: 11rem;
        background: var(--card); border: 1px solid var(--border-strong); border-radius: .8rem;
        box-shadow: var(--shadow-hover); padding: .4rem; display: flex; flex-direction: column; gap: .1rem;
      }
      /* The `hidden` attribute alone loses to the author `display:flex` above, so
         the menu would never close — restore it explicitly (as .nav-menu does). */
      .sort-menu[hidden] { display: none; }
      .sort-opt {
        text-align: left; padding: .4rem .6rem; border-radius: .5rem; font-size: .86rem; font-family: var(--sans);
        background: none; border: none; color: var(--text); cursor: pointer; white-space: nowrap;
      }
      .sort-opt:hover { background: var(--bg-alt); }
      .sort-opt.active { background: var(--brand-wash); color: var(--brand-3); font-weight: 600; }
      #sort-dir { min-width: 4.4rem; }
      #sort-dir:disabled { opacity: .45; cursor: not-allowed; }
      /* Honest sparsity (T53): a dimmed dash that invites a contribution. */
      a.empty-cell { color: var(--muted); opacity: .45; text-decoration: none; cursor: help; }
      a.empty-cell:hover { opacity: 1; color: var(--brand-3); }
      .chip-count {
        display: inline-block; margin-left: .25rem; padding: 0 .32rem; border-radius: 999px;
        font-size: .72rem; font-weight: 700; background: color-mix(in srgb, var(--muted) 18%, transparent);
      }
      .filters button[aria-pressed="true"] .chip-count { background: rgba(255,255,255,.28); }
      th.sortable { cursor: pointer; -webkit-user-select: none; user-select: none; white-space: nowrap; }
      th.sortable:hover { color: var(--brand-3); }
      th.sortable:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; }
      th[aria-sort="ascending"], th[aria-sort="descending"] { color: var(--brand-3); }

      /* ── Analytics tabbed home (T55) ─────────────────── */
      .atabs { display: flex; flex-wrap: wrap; gap: .2rem; margin-bottom: 1.8rem; border-bottom: 1px solid var(--border); }
      .atab {
        font-family: var(--sans); font-size: .92rem; font-weight: 600; cursor: pointer;
        padding: .6rem .95rem; color: var(--muted); background: none; border: none;
        border-bottom: 2px solid transparent; margin-bottom: -1px;
      }
      .atab:hover { color: var(--text); }
      .atab.active { color: var(--brand-3); border-bottom-color: var(--brand); }

      /* ── Insights dashboard (T21) ────────────────────── */
      .grid-2 { grid-template-columns: repeat(2, 1fr); }
      @media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }
      .chart-card { display: flex; flex-direction: column; }
      .chart-card h3 { margin: 0 0 .7rem; font-size: 1rem; }
      .chart { overflow-x: auto; }
      .chart svg { display: block; }
      .chart svg text { font-family: var(--sans); dominant-baseline: central; }
      .c-l { fill: var(--muted); font-size: 11px; }
      .c-v { fill: var(--text); font-size: 11px; font-weight: 600; font-family: var(--mono); }
      .c-t { fill: var(--bg-alt); stroke: var(--border); stroke-width: .5; }
      .chart-note { margin: .6rem 0 0; color: var(--muted); font-size: .78rem; }

      /* ── Decide: frontier scatter + leaderboards (T54) ── */
      /* Marker edge — keeps a shape legible against either chart surface (T64). */
      :root { --mark-edge: rgba(0,0,0,.42); }
      [data-theme="dark"] { --mark-edge: rgba(255,255,255,.5); }
      .dot { cursor: pointer; transition: opacity .12s; }
      .dot:hover { stroke: var(--text) !important; stroke-width: 1.6 !important; opacity: 1 !important; }
      .mark.front { stroke: var(--brand); stroke-width: 1.8; }
      svg.dim-others .mark:not(.on) { opacity: .1 !important; }
      /* Inline vendor shape glyph, reused site-wide (T64). */
      .vglyph { flex: none; vertical-align: -2px; }
      /* Scatter legend (T64). */
      .chart-legend { list-style: none; margin: .75rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: .3rem .55rem; }
      .lg-item { display: inline-flex; align-items: center; gap: .32rem; font-size: .74rem; color: var(--muted);
        padding: .12rem .4rem; border-radius: .5rem; cursor: default; transition: background .12s, opacity .12s; }
      .lg-item:hover { background: var(--bg-alt); color: var(--text); }
      .lg-item b { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
      .chart-legend.has-hover .lg-item:not(.active) { opacity: .4; }
      .lg-front { color: var(--muted); }
      .lg-front .lg-ring { display: inline-block; width: 11px; height: 11px; border-radius: 999px;
        border: 1.8px solid var(--brand); box-sizing: border-box; }
      /* Single active leaderboard (T68) — chip-selected, so cap its width instead
         of letting one 3-column table stretch the full band. */
      .lb-card { max-width: 480px; }
      table.lb { width: 100%; border-collapse: collapse; }
      table.lb td { padding: .4rem .55rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
      table.lb tr:last-child td { border-bottom: none; }
      table.lb tbody tr { cursor: pointer; }
      table.lb tbody tr:hover td { background: color-mix(in srgb, var(--brand) 5%, transparent); }
      table.lb .lb-rank { color: var(--muted); font-weight: 700; width: 1.4rem; text-align: right; font-family: var(--mono); font-size: .8rem; }
      table.lb .mid { font-family: var(--mono); font-size: .82rem; }

      /* ── Coverage & gaps (T29) ─────────────────────── */
      .cov-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 1rem; background: var(--card); box-shadow: var(--shadow-card); }
      table.cov { border-collapse: collapse; width: 100%; font-size: .82rem; }
      table.cov th, table.cov td { padding: .45rem .4rem; text-align: center; white-space: nowrap; }
      table.cov thead th { color: var(--muted); font-weight: 700; font-family: var(--sans); font-size: .68rem;
        text-transform: uppercase; letter-spacing: .04em; border-bottom: 1px solid var(--border); }
      table.cov .cov-vendor { text-align: left; position: sticky; left: 0; background: var(--card); z-index: 1;
        font-family: var(--sans); font-weight: 600; color: var(--text); }
      table.cov thead .cov-vendor { color: var(--muted); }
      table.cov tbody tr.cov-overall th, table.cov tbody tr.cov-overall td { border-bottom: 2px solid var(--border-strong); }
      table.cov tbody tr:hover .cov-vendor { color: var(--brand-3); }
      .cov-cell { display: inline-flex; align-items: center; justify-content: center; min-width: 2.7rem;
        padding: .3rem .3rem; border-radius: .4rem; color: var(--text); font-family: var(--mono); font-weight: 600; font-size: .78rem; }
      a.cov-cell { cursor: pointer; }
      a.cov-cell:hover { outline: 2px solid var(--brand); outline-offset: 1px; text-decoration: none; }
      .cov-cell.gap { color: var(--muted); border: 1px dashed var(--border-strong); }
      .cov-legend { display: flex; gap: 1.2rem; align-items: center; margin: 1rem 0 0; color: var(--muted);
        font-size: .78rem; flex-wrap: wrap; }
      .cov-legend .sw { display: inline-block; width: 1rem; height: 1rem; border-radius: .25rem;
        vertical-align: middle; margin-right: .35rem; }