/* FullOfAgents — "Docs / developer knowledge-base" theme. Flat: radius 6px, NO shadows, NO border lines. Unique class prefix fa-. */
:root{
  --fa-ink:#13202b;--fa-mut:#51606c;--fa-faint:#8a97a1;
  --fa-paper:#f6f8f9;--fa-card:#ffffff;--fa-rail:#eef2f4;--fa-tint:#e5edf0;--fa-tint2:#dbe6ea;
  --fa-ac:#0e7c86;--fa-acd:#0a5a62;--fa-acl:#e2f1f2;
  --fa-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  --fa-r:6px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Public Sans',system-ui,-apple-system,sans-serif;color:var(--fa-ink);background:var(--fa-paper);line-height:1.62;-webkit-font-smoothing:antialiased}
a{color:var(--fa-acd)}
h1,h2,h3,h4{font-family:'Source Serif 4','Public Sans',Georgia,serif;letter-spacing:-.01em;font-weight:700}

/* ---------- top docs bar ---------- */
.fa-topbar{background:var(--fa-card);position:sticky;top:0;z-index:40}
.fa-topin{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:18px;padding:12px 26px}
.fa-brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--fa-ink);font-weight:800;font-size:17px;letter-spacing:-.02em;flex:none}
.fa-brand img{width:26px;height:26px;display:block}
.fa-brand .fa-tag-mono{font-family:var(--fa-mono);font-size:10.5px;color:var(--fa-ac);background:var(--fa-acl);padding:3px 7px;border-radius:var(--fa-r);letter-spacing:.02em;font-weight:600}
.fa-barnav{display:flex;align-items:center;gap:2px;margin-left:auto}
.fa-barnav a{font-family:var(--fa-mono);font-size:13px;color:var(--fa-mut);text-decoration:none;padding:9px 12px;border-radius:var(--fa-r);min-height:42px;display:inline-flex;align-items:center;font-weight:500}
.fa-barnav a:hover{color:var(--fa-acd);background:var(--fa-rail)}
.fa-barnav a.fa-cur{color:var(--fa-acd);background:var(--fa-acl);font-weight:600}
.fa-barnav a.fa-navcta{color:#fff;background:var(--fa-ac);font-weight:600}
.fa-barnav a.fa-navcta:hover{background:var(--fa-acd);color:#fff}
.fa-burger{display:none;width:42px;height:42px;align-items:center;justify-content:center;background:var(--fa-rail);border-radius:var(--fa-r);cursor:pointer;flex:none;margin-left:auto}
.fa-burger span{position:relative;width:19px;height:2px;background:var(--fa-acd);border-radius:2px;display:block}
.fa-burger span::before,.fa-burger span::after{content:"";position:absolute;left:0;width:19px;height:2px;background:var(--fa-acd);border-radius:2px;transition:transform .2s,top .2s}
.fa-burger span::before{top:-6px}.fa-burger span::after{top:6px}
.fa-topbar.fa-open .fa-burger span{background:transparent}
.fa-topbar.fa-open .fa-burger span::before{top:0;transform:rotate(45deg)}
.fa-topbar.fa-open .fa-burger span::after{top:0;transform:rotate(-45deg)}

/* ---------- homepage hero (docs landing) ---------- */
.fa-lead{background:var(--fa-card)}
.fa-leadin{max-width:1200px;margin:0 auto;padding:56px 26px 48px;text-align:center}
.fa-eyebrow{font-family:var(--fa-mono);font-size:12px;letter-spacing:.06em;color:var(--fa-ac);text-transform:lowercase;margin-bottom:16px}
.fa-lead h1{font-size:46px;line-height:1.08;color:var(--fa-ink);max-width:760px;margin:0 auto}
.fa-lead .fa-sub{font-size:19px;color:var(--fa-mut);max-width:620px;margin:18px auto 0;line-height:1.55}
.fa-ctarow{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin-top:30px}
.fa-cta{display:inline-flex;align-items:center;gap:9px;background:var(--fa-ac);color:#fff;text-decoration:none;font-weight:700;font-size:15.5px;padding:14px 30px;border-radius:var(--fa-r)}
.fa-cta:hover{background:var(--fa-acd);color:#fff}
.fa-cta svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.fa-cta2{display:inline-flex;align-items:center;gap:8px;background:var(--fa-rail);color:var(--fa-acd);text-decoration:none;font-weight:700;font-size:15.5px;padding:14px 26px;border-radius:var(--fa-r)}
.fa-cta2:hover{background:var(--fa-tint)}
.fa-leadnote{font-family:var(--fa-mono);font-size:12.5px;color:var(--fa-faint);margin-top:18px}

/* ---------- knowledge-base shell: left topic rail + index ---------- */
.fa-kb{max-width:1200px;margin:0 auto;padding:34px 26px 20px;display:grid;grid-template-columns:230px 1fr;gap:38px;align-items:start}
.fa-rail{position:sticky;top:78px;background:var(--fa-rail);border-radius:var(--fa-r);padding:18px 14px}
.fa-rail .fa-railh{font-family:var(--fa-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--fa-faint);font-weight:700;margin:4px 8px 10px}
.fa-rail a{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--fa-r);font-size:13.5px;font-weight:500;color:var(--fa-mut);text-decoration:none;margin-bottom:1px}
.fa-rail a:hover,.fa-rail a.fa-cur{background:var(--fa-card);color:var(--fa-acd)}
.fa-rail a svg{width:17px;height:17px;fill:none;stroke:var(--fa-ac);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.fa-rail .fa-railnum{margin-left:auto;font-family:var(--fa-mono);font-size:11px;color:var(--fa-faint)}
.fa-kbmain{min-width:0}
.fa-kbhead{margin:2px 0 22px}
.fa-kbhead h2{font-size:24px;color:var(--fa-ink)}
.fa-kbhead p{font-size:15px;color:var(--fa-mut);margin-top:6px;max-width:640px}

/* shelves: each topic = a borderless card with a text list of its articles (docs TOC feel) */
.fa-shelf{background:var(--fa-card);border-radius:var(--fa-r);padding:22px 24px 10px;margin-bottom:16px}
.fa-shelfhd{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.fa-shelfhd .fa-ico{width:34px;height:34px;flex:none;border-radius:var(--fa-r);background:var(--fa-acl);display:flex;align-items:center;justify-content:center}
.fa-shelfhd .fa-ico svg{width:19px;height:19px;fill:none;stroke:var(--fa-ac);stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.fa-shelfhd h3{font-size:18px;color:var(--fa-ink)}
.fa-shelfhd .fa-shelfsub{font-size:13px;color:var(--fa-faint);margin-left:auto;font-family:var(--fa-mono)}
.fa-docrow{display:block;text-decoration:none;color:var(--fa-ink);padding:13px 4px 13px 2px;background:linear-gradient(to right,transparent,transparent);transition:padding-left .14s}
.fa-docrow + .fa-docrow{background-image:linear-gradient(var(--fa-tint),var(--fa-tint));background-repeat:no-repeat;background-size:100% 1px;background-position:top}
.fa-docrow:hover{padding-left:10px}
.fa-docrow .fa-rowt{display:flex;align-items:baseline;gap:10px}
.fa-docrow .fa-rowt b{font-size:15.5px;font-weight:700;line-height:1.3}
.fa-docrow .fa-rowt .fa-arrow{margin-left:auto;color:var(--fa-ac);font-family:var(--fa-mono);font-size:14px;flex:none}
.fa-docrow span{display:block;font-size:13.5px;color:var(--fa-mut);margin-top:3px}

/* right-side aside widgets on home */
.fa-aside{display:flex;flex-direction:column;gap:16px}
.fa-widget{background:var(--fa-card);border-radius:var(--fa-r);padding:20px 22px}
.fa-widget h4{font-size:15px;color:var(--fa-ink);margin-bottom:8px}
.fa-widget p{font-size:13.5px;color:var(--fa-mut);margin:0 0 12px}
.fa-toolwidget{background:var(--fa-ink);color:#eef4f5}
.fa-toolwidget h4{color:#fff}.fa-toolwidget p{color:#aebcc4}
.fa-toolwidget .fa-cta{width:100%;justify-content:center;margin-top:2px}

/* ---------- article / doc page (left topic rail + body) ---------- */
.fa-doc{max-width:1200px;margin:0 auto;padding:26px 26px 20px;display:grid;grid-template-columns:230px 1fr;gap:40px;align-items:start}
.fa-body{min-width:0;max-width:760px}
.fa-crumb{font-family:var(--fa-mono);font-size:12px;color:var(--fa-ac);letter-spacing:.02em;margin-bottom:8px}
/* publish marker class .article must stay literal — style it via fa-body descendant */
.fa-body .article,.article{min-width:0}
.fa-body .cat,.article .cat{display:inline-block;font-family:var(--fa-mono);text-transform:lowercase;letter-spacing:.02em;font-size:12px;color:var(--fa-ac);font-weight:600}
.fa-body h1,.article h1{font-size:33px;line-height:1.16;margin:8px 0 8px;color:var(--fa-ink)}
.fa-body .dek,.article .dek{font-size:18px;color:var(--fa-mut);margin-bottom:16px}
.byline{display:flex;align-items:center;gap:12px;margin:0 0 20px;padding:14px 0 18px;background-image:linear-gradient(var(--fa-tint),var(--fa-tint));background-repeat:no-repeat;background-size:100% 1px;background-position:bottom}
.byline .av{width:40px;height:40px;border-radius:50%;background:var(--fa-ac);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:none;font-family:var(--fa-mono)}
.byline .meta{font-size:13.5px;color:var(--fa-mut)}.byline .meta b{color:var(--fa-ink);font-weight:700}
.byline .meta .cred{display:block;color:var(--fa-faint);font-size:12.5px;margin-top:1px}
.ahero{width:100%;aspect-ratio:16/8;object-fit:cover;border-radius:var(--fa-r);margin:4px 0 24px;background:var(--fa-tint)}
.fa-body h2,.article h2{font-size:21px;margin:28px 0 8px;color:var(--fa-ink)}
.fa-body p,.article p{margin:12px 0}
.fa-body ul,.article ul{margin:12px 0 12px 20px}.fa-body li,.article li{margin:6px 0}
.faq{margin:26px 0 6px}.faq h2{margin-bottom:12px}
.acc{background:var(--fa-card);border-radius:var(--fa-r);margin-bottom:8px;overflow:hidden}
.acc summary{list-style:none;cursor:pointer;padding:15px 18px;font-weight:700;font-size:15.5px;color:var(--fa-ink);display:flex;justify-content:space-between;align-items:center;gap:12px}
.acc summary::-webkit-details-marker{display:none}
.acc summary .ic{flex:none;width:18px;height:18px;position:relative;transition:transform .2s}
.acc summary .ic::before,.acc summary .ic::after{content:"";position:absolute;background:var(--fa-ac);border-radius:2px}
.acc summary .ic::before{top:8px;left:0;width:18px;height:2px}
.acc summary .ic::after{top:0;left:8px;width:2px;height:18px;transition:transform .2s}
.acc[open] summary .ic::after{transform:scaleY(0)}
.acc .ab{padding:0 18px 16px;color:var(--fa-mut);font-size:14.5px;line-height:1.6}
.acc:hover summary{color:var(--fa-acd)}
.disc,.med{font-size:12.5px;color:var(--fa-faint);margin-top:16px;padding-top:14px}
.med{margin-top:10px}
.back{display:inline-block;margin:26px 0 0;font-family:var(--fa-mono);font-size:13.5px;font-weight:600;color:var(--fa-acd);text-decoration:none}

/* ---------- guides hub + category pages (.wrap/.list/.li reskinned to docs theme) ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:26px 26px 4px}
.wrap h2{font-size:20px;color:var(--fa-ink);margin-bottom:14px;font-family:'Source Serif 4',Georgia,serif}
.list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.li{display:block;background:var(--fa-card);border-radius:var(--fa-r);padding:14px 16px;text-decoration:none;color:var(--fa-ink);transition:background .14s}
.li:hover{background:var(--fa-tint)}
.li .thumb{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:var(--fa-r);margin-bottom:11px;display:block;background:var(--fa-tint)}
.li b{display:block;font-size:15.5px;margin-bottom:4px;line-height:1.3}.li span{font-size:13px;color:var(--fa-mut)}
@media(max-width:620px){.list{grid-template-columns:1fr}}

/* ---------- glossary ---------- */
.fa-glosswrap{max-width:880px;margin:0 auto;padding:22px 26px 10px}
.alpha{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 26px}
.alpha a{width:34px;height:34px;display:flex;align-items:center;justify-content:center;border-radius:var(--fa-r);background:var(--fa-card);color:var(--fa-acd);font-family:var(--fa-mono);font-weight:600;font-size:13px;text-decoration:none}
.alpha a:hover{background:var(--fa-tint)}
.alpha .aoff{width:34px;height:34px;display:flex;align-items:center;justify-content:center;color:var(--fa-faint);opacity:.4;font-family:var(--fa-mono);font-weight:600;font-size:13px}
.gletter{font-family:var(--fa-mono);font-size:18px;color:var(--fa-ac);margin:26px 0 10px;font-weight:700}
.gterm{background:var(--fa-card);border-radius:var(--fa-r);padding:16px 18px;margin-bottom:8px}
.gterm b{display:block;font-size:16px;margin-bottom:4px;color:var(--fa-ink)}.gterm p{font-size:14.5px;color:var(--fa-mut);margin:0}

/* ---------- legal / about ---------- */
.fa-legal{max-width:780px;margin:0 auto;padding:12px 26px 30px}
.fa-legal h2{font-size:20px;margin:24px 0 8px}.fa-legal p{margin:10px 0;color:var(--fa-mut)}

/* ---------- compact page hero (non-home) ---------- */
.fa-phead{background:var(--fa-card)}
.fa-pheadin{max-width:1200px;margin:0 auto;padding:40px 26px 30px}
.fa-pheadin .fa-eyebrow{margin-bottom:12px}
.fa-pheadin h1{font-size:34px;line-height:1.12;color:var(--fa-ink)}
.fa-pheadin p{font-size:17px;color:var(--fa-mut);margin-top:12px;max-width:620px}

/* ---------- footer ---------- */
.fa-foot{background:var(--fa-ink);color:#c9d4da;margin-top:56px}
.fa-footin{max-width:1200px;margin:0 auto;padding:44px 26px 28px;display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.fa-fbrand .fa-fl{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:#fff;text-decoration:none}
.fa-fbrand .fa-fl img{width:26px;height:26px}
.fa-fbrand p{margin-top:12px;font-size:13.5px;color:#9aa8b0;max-width:330px}
.fa-fbrand .fa-contact{margin-top:14px;font-size:13.5px;color:#c9d4da}
.fa-fbrand .fa-contact a{color:#4fd0d9;text-decoration:none}
.fa-fcol h4{font-family:var(--fa-mono);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#7d8d96;margin-bottom:12px;font-weight:700}
.fa-fcol a{display:block;color:#c9d4da;text-decoration:none;font-size:14px;margin-bottom:9px}
.fa-fcol a:hover{color:#fff}
.fa-fbot{max-width:1200px;margin:0 auto;padding:16px 26px 34px;font-size:12.5px;color:#7d8d96}
.fa-fbot .fa-fnote{margin-top:6px}

/* ---------- responsive ---------- */
@media(max-width:980px){
  .fa-kb{grid-template-columns:1fr;gap:20px}
  .fa-rail{position:static;display:flex;flex-wrap:wrap;gap:6px}
  .fa-rail .fa-railh{width:100%}
  .fa-rail a{margin:0}
  .fa-doc{grid-template-columns:1fr;gap:18px}
  .fa-footin{grid-template-columns:1fr;gap:26px}
}
@media(max-width:760px){
  .fa-topin{padding:12px 18px}
  .fa-burger{display:flex}
  .fa-barnav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--fa-card);flex-direction:column;align-items:stretch;gap:2px;padding:10px 14px 16px}
  .fa-topbar.fa-open .fa-barnav{display:flex}
  .fa-barnav a{width:100%;min-height:46px}
  .fa-lead h1{font-size:34px}
  .fa-leadin{padding:40px 18px 34px}
  .fa-pheadin h1{font-size:27px}
}
@media(max-width:520px){
  .fa-lead h1{font-size:29px}
  .fa-shelf{padding:18px 18px 8px}
  .fa-shelfhd .fa-shelfsub{display:none}
}