:root{
    --bg:#0a0d18; --bg2:#0d1122; --panel:#12172b; --panel2:#151b32;
    --line:#232b47; --line2:#2c3660; --text:#c9d2ea; --head:#f2f5ff; --muted:#8290b4;
    --mint:#7cf5c4; --coral:#ff5d73; --violet:#c792ea; --blue:#82aaff; --amber:#f6c177;
    --c-bg:#0b0f20; --c-comment:#5b6788; --c-key:#ff7eb6; --c-type:#7cf5c4;
    --c-str:#f6c177; --c-num:#a6b8ff; --c-annot:#c792ea; --c-fn:#82aaff; --c-punc:#9aa6cc;
    --radius:14px; --max:1180px;
  }
  *{box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{margin:0;background:var(--bg);color:var(--text);
    font-family:"Space Grotesk",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6;
    -webkit-font-smoothing:antialiased}
  a{color:inherit;text-decoration:none}
  code,pre,.mono{font-family:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace}
  .wrap{max-width:var(--max);margin:0 auto;padding:0 24px}

  header.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(10px);
    background:rgba(10,13,24,.78);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;gap:22px;height:64px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--head);font-size:18px}
  .logo{width:26px;height:26px;border-radius:7px;display:grid;place-items:center;
    background:linear-gradient(135deg,var(--mint),#3fd7a6);color:#06231a;font-weight:700;font-size:15px}
  .nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
  .nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;transition:color .15s}
  .nav-links a:hover{color:var(--head)}
  .nav-cta{border:1px solid var(--line2);padding:8px 15px;border-radius:9px;color:var(--head)!important;background:var(--panel)}
  .nav-cta:hover{border-color:var(--mint)}
  @media(max-width:760px){.nav-links a:not(.nav-cta){display:none}}

  /* two-column reference layout */
  .ref-layout{display:grid;grid-template-columns:230px 1fr;gap:40px;align-items:start;padding-top:34px;padding-bottom:80px}
  @media(max-width:900px){.ref-layout{grid-template-columns:1fr}.side{display:none}}
  .side{position:sticky;top:88px;display:flex;flex-direction:column;gap:2px;max-height:calc(100vh - 110px);overflow:auto}
  .side a{color:var(--muted);font-size:13.5px;padding:6px 10px;border-radius:8px;border-left:2px solid transparent;transition:all .12s}
  .side a:hover{color:var(--head);background:var(--panel)}
  .side a.active{color:var(--mint);border-left-color:var(--mint);background:rgba(124,245,196,.06)}

  .ref-intro{margin-bottom:44px}
  .ref-intro .kicker{font-size:13px;font-weight:600;letter-spacing:2px;text-transform:uppercase;color:var(--mint);margin-bottom:12px}
  .ref-intro h1{font-size:clamp(30px,5vw,46px);margin:0 0 12px;color:var(--head);letter-spacing:-1px;font-weight:700}
  .ref-intro p{font-size:17px;color:var(--muted);max-width:640px;margin:0}

  .ref-sec{padding:26px 0 10px;border-top:1px solid var(--line);margin-top:26px}
  .ref-sec:first-of-type{border-top:none;margin-top:0}
  .ref-sec h2{font-size:24px;color:var(--head);margin:0 0 6px;letter-spacing:-.4px}
  .sec-blurb{color:var(--muted);font-size:15px;margin:0 0 22px;max-width:720px}
  .sec-blurb code{color:var(--mint);background:rgba(124,245,196,.08);padding:1px 5px;border-radius:5px;font-size:12.5px}

  .entry{padding:16px 0;border-top:1px dashed var(--line)}
  .entry:first-of-type{border-top:none}
  .entry-head{display:flex;align-items:center;gap:10px}
  .entry h3{margin:0;font-size:16.5px;color:var(--head);font-weight:600;font-family:"JetBrains Mono",monospace}
  .entry .anchor{color:var(--line2);font-size:15px;opacity:0;transition:opacity .12s}
  .entry:hover .anchor{opacity:1}
  .entry .anchor:hover{color:var(--mint)}
  .entry .sig{display:inline-block;margin:8px 0 6px;color:var(--c-fn);background:var(--c-bg);
    border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:13px}
  .entry p{margin:6px 0 0;color:var(--text);font-size:14.5px;max-width:720px}
  .entry p code{color:var(--amber);background:var(--panel);padding:1px 5px;border-radius:5px;font-size:12.5px}
  .entry p b{color:var(--head)}

  pre{margin:10px 0 0;padding:14px 16px;overflow:auto;font-size:13px;line-height:1.7;tab-size:2;
    background:var(--c-bg);border:1px solid var(--line);border-radius:10px}
  pre.ex{max-width:720px}
  pre::-webkit-scrollbar{height:8px}
  pre::-webkit-scrollbar-thumb{background:var(--line2);border-radius:6px}
  .t-com{color:var(--c-comment);font-style:italic}
  .t-key{color:var(--c-key)}.t-type{color:var(--c-type)}.t-str{color:var(--c-str)}
  .t-num{color:var(--c-num)}.t-annot{color:var(--c-annot)}.t-fn{color:var(--c-fn)}.t-punc{color:var(--c-punc)}
  /* hover-jump links inside code */
  a.tok{border-radius:3px;transition:background .12s}
  a.tok:hover{background:rgba(124,245,196,.14);outline:1px solid rgba(124,245,196,.35)}

  /* color swatches */
  .swatch-group{margin-bottom:22px}
  .swatch-group h4{margin:0 0 12px;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:600}
  .swatch-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:10px}
  .swatch{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--line);
    border-radius:9px;padding:8px 10px}
  .chip{width:24px;height:24px;border-radius:6px;flex:none;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
  .cname{font-family:"JetBrains Mono",monospace;font-size:12px;color:var(--head);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .chex{margin-left:auto;font-family:"JetBrains Mono",monospace;font-size:11px;color:var(--muted)}