:root {
  --bg:#ffffff; --bg2:#f4f4f5; --bg3:#fafafa; --surface:#ffffff;
  --border:#e4e4e7; --border2:#d4d4d8;
  --text:#18181b; --text2:#3f3f46; --text3:#71717a;
  --accent:#141e55; --accent2:#001489; --accent-bg:#e9ebf5;
  --badge:#001489;
  --blue:#141e55; --blue-bg:#eceef7; --green:#0c7c66; --green-bg:#e7f4f0;
  --amber:#996700; --amber-bg:#faf3e5; --red:#cf1124; --red-bg:#fdecee; --purple:#6e2b62;
  --coral:var(--accent);
  --halo:#fafafa; --shadow:rgba(24,24,27,.07);
  --sidew:300px; --railw:264px; --toph:57px;
}
[data-theme="dark"] {
  --bg:#131417; --bg2:#212328; --bg3:#191b1f; --surface:#1a1c21;
  --border:#2a2d34; --border2:#3b3f48;
  --text:#ececee; --text2:#b9bdc4; --text3:#878b94;
  --accent:#93a2e8; --accent2:#aebbf0; --accent-bg:#232a4a;
  --blue:#93a2e8; --blue-bg:#20243a; --green:#4cc2a4; --green-bg:#16302a;
  --amber:#e2b25f; --amber-bg:#332a17; --red:#f47184; --red-bg:#3a1d22; --purple:#c98abd;
  --halo:#1a1c21; --shadow:rgba(0,0,0,.35);
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { background:var(--bg); color:var(--text); padding-top:var(--toph);
       font:15.5px/1.7 Inter,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; }

/* ---------- topbar ---------- */
.topbar { position:fixed; top:0; left:0; right:0; height:var(--toph); z-index:60; display:flex; align-items:center;
          gap:26px; padding:0 22px; background:var(--surface); border-bottom:1px solid var(--border); }
.topbar .brand { display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit; white-space:nowrap; }
.topbar .brand b { font-size:16px; letter-spacing:-.2px; }
.brand-mark { display:grid; place-items:center; width:32px; height:32px; border-radius:7px;
              background:var(--accent); color:#fff; font-size:16px; font-weight:800; }
.topnav { display:flex; gap:4px; }
.topnav a { color:var(--text2); text-decoration:none; font-size:14px; font-weight:500; padding:6px 11px; border-radius:7px; }
.topnav a:hover { color:var(--text); background:var(--bg2); }
.topnav a.ext::after { content:' ↗'; font-size:11px; color:var(--text3); }
.topbar-spacer { flex:1; }
.theme-btn { display:grid; place-items:center; width:34px; height:34px; border:none; background:none; color:var(--text2);
             border-radius:8px; cursor:pointer; font-size:16px; }
.theme-btn:hover { background:var(--bg2); color:var(--text); }
.search-btn { display:flex; align-items:center; gap:8px; border:1px solid var(--border); background:var(--bg2); color:var(--text3);
              border-radius:99px; padding:7px 14px; font:500 13.5px inherit; font-family:inherit; cursor:pointer; min-width:190px; }
.search-btn:hover { border-color:var(--border2); color:var(--text2); }
.search-btn svg { flex:none; }
.search-btn kbd { margin-left:auto; border:1px solid var(--border2); border-radius:5px; background:var(--surface);
                  font:600 10.5px Inter,sans-serif; padding:1px 5px; color:var(--text3); }
.search-btn kbd + kbd { margin-left:0; }

/* ---------- search overlay ---------- */
.search-overlay { position:fixed; inset:0; z-index:100; background:rgba(15,15,20,.45); backdrop-filter:blur(2px);
                  display:flex; align-items:flex-start; justify-content:center; padding:12vh 20px 20px; }
.search-overlay[hidden] { display:none; }
.search-box { width:620px; max-width:100%; background:var(--surface); border:1px solid var(--border); border-radius:14px;
              box-shadow:0 24px 70px rgba(0,0,0,.35); overflow:hidden; }
.search-box input { width:100%; border:none; outline:none; background:none; color:var(--text);
                    font:16px Inter,sans-serif; padding:17px 20px; border-bottom:1px solid var(--border); }
.search-results { max-height:46vh; overflow-y:auto; padding:8px; }
.search-results a { display:flex; align-items:baseline; justify-content:space-between; gap:14px; padding:10px 13px;
                    border-radius:9px; text-decoration:none; color:var(--text); font-size:14.5px; }
.search-results a:hover, .search-results a.sel { background:var(--accent-bg); color:var(--accent); }
.search-results a small { color:var(--text3); font-size:12px; white-space:nowrap; }
.search-results .none { padding:16px; color:var(--text3); font-size:14px; }

/* ---------- sidebar ---------- */
.side { position:fixed; top:var(--toph); left:0; bottom:0; width:var(--sidew); overflow-y:auto;
        background:var(--bg); border-right:1px solid var(--border); padding:18px 16px 48px; }
.side .navgrp { margin:2px 0; }
.side .grp-h { display:flex; align-items:center; justify-content:space-between; width:100%; border:none; background:none;
               color:var(--text); font:600 14px Inter,-apple-system,"Segoe UI",sans-serif; padding:8px 10px; border-radius:8px;
               cursor:pointer; text-align:left; }
.side .grp-h:hover { background:var(--bg2); }
.side .grp-h .chev { transition:transform .16s ease; color:var(--text3); font-size:11px; }
.side .navgrp.open .grp-h .chev { transform:rotate(90deg); }
.side .grp-list { display:none; margin:2px 0 6px 12px; padding-left:10px; border-left:1px solid var(--border); }
.side .navgrp.open .grp-list { display:block; }
.side .grp-list a { display:block; color:var(--text2); text-decoration:none; font-size:13.5px; padding:6px 10px;
                    border-radius:0 8px 8px 0; margin:1px 0; }
.side .grp-list a:hover { color:var(--text); background:var(--bg2); }
.side .grp-list a.active { color:var(--accent); background:var(--bg2); font-weight:600; }
.side .grp-list a.ext::after { content:' ↗'; color:var(--text3); font-size:10px; }

/* ---------- right rail (on this page) ---------- */
.rail { position:fixed; top:var(--toph); right:0; bottom:0; width:var(--railw); overflow-y:auto;
        padding:34px 24px 40px 22px; display:none; }
.rail::before { content:''; position:absolute; left:0; top:34px; bottom:34px; width:1px; background:var(--border); }
.rail a { display:block; color:var(--text3); text-decoration:none; font-size:13px; line-height:1.45; padding:5px 0; }
.rail a:hover { color:var(--text); }
.rail a.active { color:var(--accent); font-weight:600; }

/* ---------- page ---------- */
.page { margin-left:var(--sidew); padding:36px 56px 110px; max-width:1080px; }
@media (min-width:1500px) { .rail { display:block; } .page { margin-right:var(--railw); } }
.page a { color:var(--accent); text-decoration-color:color-mix(in srgb, var(--accent) 40%, transparent); text-underline-offset:3px; }
.page a:hover { color:var(--accent2); }
.crumbs { display:flex; align-items:center; gap:9px; font-size:13.5px; color:var(--text3); margin-bottom:20px; }
.crumbs a.home { display:grid; place-items:center; color:var(--text3); text-decoration:none; }
.crumbs a.home:hover { color:var(--accent); }
.crumbs .pill { background:var(--accent-bg); color:var(--accent); font-weight:600; padding:4px 13px; border-radius:99px; }
.crumbs .sep { color:var(--border2); }
h1 { font-size:38px; line-height:1.12; letter-spacing:-1px; font-weight:800; margin:0 0 14px; }
.lead { font-size:17px; color:var(--text2); max-width:76ch; margin:0 0 24px; }
h2 { font-size:27px; line-height:1.25; font-weight:750; margin:52px 0 12px; scroll-margin-top:calc(var(--toph) + 18px); letter-spacing:-.5px; }
h3 { font-size:19px; line-height:1.35; font-weight:700; margin:28px 0 8px; scroll-margin-top:calc(var(--toph) + 18px); }
h4 { font-size:15px; margin:16px 0 5px; }
p  { color:var(--text2); margin:6px 0 12px; max-width:84ch; }
p b, li b, td b { color:var(--text); }
ol, ul { margin:6px 0 12px 22px; color:var(--text2); max-width:84ch; }
li { margin:3px 0; }
.badge { display:inline-block; background:var(--badge); color:#fff; font-size:12px; font-weight:700;
         padding:2px 11px; border-radius:99px; letter-spacing:.2px; margin:2px 0 6px; }
code { font-family:"JetBrains Mono",Consolas,"Cascadia Code",monospace; font-size:13px; background:var(--bg2);
       border:1px solid var(--border); padding:1.5px 6px; border-radius:6px; color:var(--text); }
h1 code, h2 code, h3 code, h4 code { font-size:.85em; font-weight:inherit; letter-spacing:-.02em;
       padding:.04em .28em; border-radius:.22em; }
pre { font-family:"JetBrains Mono",Consolas,"Cascadia Code",monospace; font-size:12.5px; line-height:1.7; color:#d6dae6; background:#262a3e;
      border:1px solid #33384f; border-radius:12px; padding:18px 20px; overflow-x:auto; margin:14px 0;
      box-shadow:0 8px 22px rgba(25,30,60,.12); position:relative; }
pre code { border:none; background:none; padding:0; font-size:inherit; color:inherit; }
pre[data-title]::before { content:attr(data-title); display:block; color:#8a91ad; font-size:10.5px; letter-spacing:.7px;
      text-transform:uppercase; margin:-6px 0 10px; }
.hl-ann { color:#c8a4f5; }
.hl-kw { color:#c9ced9; font-style:italic; }
.hl-type { color:#f2c06b; }
.hl-fn { color:#7aa6ff; }
.hl-lit { color:#ff6b8b; }
.hl-str { color:#a7db7a; }
.hl-num { color:#f2c06b; }
.hl-cm { color:#8a91ad; font-style:italic; }
.hl-arrow, .hl-punct { color:#a8a1f0; }
.hl-key { color:#7cc3ea; }
.hl-tag { color:#7ed6a8; }
.hl-attr { color:#82d2ff; }
.hl-var { color:#f0ba68; }
.copy { position:absolute; top:9px; right:9px; padding:3px 9px; border:1px solid #454b66; background:#2f3449; color:#d6dae6;
        font:600 11px Inter,"Segoe UI",sans-serif; border-radius:5px; cursor:pointer; }
.copy:hover { background:#3a4059; }
.copy.copied { color:#b9edca; border-color:#5f9873; }

/* ---------- admonitions ---------- */
.adm { display:grid; grid-template-columns:auto 1fr; gap:10px; border:1px solid var(--border); border-left-width:4px;
       border-radius:10px; padding:12px 15px; margin:14px 0 18px; max-width:84ch; font-size:14px; background:var(--surface); }
.adm .ic { font-weight:800; font-size:11px; letter-spacing:1px; text-transform:uppercase; padding-top:2px; }
.adm p { margin:0 0 4px; font-size:14px; } .adm p:last-child { margin:0; }
.adm.note { border-left-color:var(--blue); background:var(--blue-bg); } .adm.note .ic { color:var(--blue); }
.adm.tip { border-left-color:var(--green); background:var(--green-bg); } .adm.tip .ic { color:var(--green); }
.adm.important { border-left-color:var(--amber); background:var(--amber-bg); } .adm.important .ic { color:var(--amber); }
.adm.warning { border-left-color:var(--red); background:var(--red-bg); } .adm.warning .ic { color:var(--red); }
.check { border:1px solid var(--border); border-left:4px solid var(--green); background:var(--green-bg); border-radius:10px;
         padding:10px 13px; margin:10px 0 18px; font-size:13.5px; color:var(--text2); max-width:84ch; }
.check b { color:var(--green); }

/* ---------- tables ---------- */
.tablewrap { overflow-x:auto; margin:10px 0 18px; }
table { width:100%; border-collapse:separate; border-spacing:0; font-size:13.5px; }
th { text-align:left; font-size:11.5px; text-transform:uppercase; letter-spacing:.8px; color:var(--text3);
     padding:9px 11px; border-bottom:1px solid var(--border2); background:var(--bg2); white-space:nowrap; }
td { padding:8px 11px; border-bottom:1px solid var(--border); color:var(--text2); background:var(--surface); vertical-align:top; }
td code, th code { white-space:nowrap; }
table.api td:first-child { font-family:"JetBrains Mono",Consolas,monospace; font-size:12.5px; white-space:nowrap; }

/* ---------- cards / grids ---------- */
.cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; margin:16px 0 26px; }
.cards.two { grid-template-columns:repeat(2,minmax(0,1fr)); }
.card { display:block; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:16px 17px;
        text-decoration:none !important; color:inherit; transition:.15s ease; }
.card:hover { transform:translateY(-1px); border-color:var(--accent); box-shadow:0 9px 24px var(--shadow); }
.card b { display:block; margin-bottom:3px; color:var(--text); }
.card span { color:var(--text2); font-size:13px; }
.card .k { display:inline-block; font-size:10.5px; letter-spacing:1px; text-transform:uppercase; color:var(--accent); font-weight:800; margin-bottom:6px; }
.hero { position:relative; overflow:hidden; background:var(--surface); border:1px solid var(--border); border-top:5px solid var(--accent);
        border-radius:8px; padding:34px 38px; box-shadow:0 4px 14px var(--shadow); margin-bottom:20px; }
.hero::after { content:''; position:absolute; width:220px; height:220px; right:-90px; top:-95px; border:42px solid var(--bg2); border-radius:50%; }
.hero .eyebrow { color:var(--accent); font-size:11.5px; font-weight:800; letter-spacing:1.6px; text-transform:uppercase; }
.hero h1 { position:relative; z-index:1; max-width:760px; }
.hero p { position:relative; z-index:1; font-size:16.5px; max-width:70ch; }
.hero-actions { position:relative; z-index:1; display:flex; flex-wrap:wrap; gap:10px; margin-top:22px; }
.hero-actions a { display:inline-block; padding:9px 16px; border-radius:9px; text-decoration:none; font-size:13.5px; font-weight:700; }
.hero-actions .main { background:var(--accent); color:#fff; }
.hero-actions .main:hover { background:var(--accent2); color:#fff; }
.hero-actions .quiet { border:1px solid var(--border2); color:var(--text); background:var(--surface); }
.layers { display:grid; gap:9px; margin:14px 0 22px; max-width:84ch; }
.layer { display:grid; grid-template-columns:190px 1fr; gap:14px; border:1px solid var(--border); background:var(--surface); border-radius:10px; padding:12px 15px; font-size:13.5px; }
.layer b { color:var(--text); } .layer span { color:var(--text2); }
.layer.l1 { border-left:4px solid var(--purple); } .layer.l2 { border-left:4px solid var(--accent); } .layer.l3 { border-left:4px solid var(--green); }
.flow { display:grid; grid-template-columns:minmax(0,1fr) 46px minmax(0,1fr) 46px minmax(0,1fr) 46px minmax(0,1fr); gap:0; margin:18px 0 16px; }
.flow .n code { overflow-wrap:anywhere; }
.flow .n { min-height:110px; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:14px; }
.flow .n.src { background:var(--amber-bg); border-color:var(--amber); }
.flow .n i { display:block; font-style:normal; color:var(--accent); font-size:10.5px; font-weight:800; letter-spacing:1px; text-transform:uppercase; }
.flow .n b { display:block; margin:5px 0 3px; font-size:14px; }
.flow .n p { font-size:12.5px; margin:0; }
.flow .a { display:flex; flex-direction:column; align-items:center; justify-content:center; color:var(--text); font-weight:800; font-size:22px; }
.flow .a small { color:var(--text3); font-size:9px; font-weight:700; text-transform:uppercase; }
.kv { font-family:"JetBrains Mono",Consolas,monospace; font-size:12.5px; }

/* ---------- prev / next ---------- */
.pager { display:flex; justify-content:space-between; gap:12px; margin-top:64px; border-top:1px solid var(--border); padding-top:22px; }
.pager a { flex:1; max-width:48%; border:1px solid var(--border); background:var(--surface); border-radius:12px; padding:13px 17px; text-decoration:none !important; color:inherit; }
.pager a:hover { border-color:var(--accent); }
.pager a small { display:block; font-size:10.5px; letter-spacing:1px; text-transform:uppercase; color:var(--text3); }
.pager a b { color:var(--accent); }
.pager a.next { text-align:right; margin-left:auto; }

@media (max-width:1050px) {
  .side { display:none; } .page { margin-left:0; padding:26px 22px 80px; }
  .topnav { display:none; } .search-btn { min-width:0; } .search-btn kbd { display:none; }
  .cards, .cards.two { grid-template-columns:1fr; }
  .flow { grid-template-columns:1fr; } .flow .a { min-height:30px; transform:rotate(90deg); } .flow .a small { display:none; }
  .layer { grid-template-columns:1fr; }
}

/* ---------- interactive deployment diagram ---------- */
.deploy { border:1px solid var(--border); border-radius:14px; background:var(--surface); padding:14px 16px 16px; margin:16px 0 22px; }
.deploy-bar { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; margin-bottom:10px; }
.deploy-tabs { display:flex; flex-wrap:wrap; gap:6px; }
.deploy button { background:var(--surface); color:var(--text); border:1px solid var(--border2); border-radius:7px; padding:6px 12px;
                 font:600 12.5px Inter,"Segoe UI",Helvetica,Arial,sans-serif; cursor:pointer; }
.deploy button:hover { background:var(--bg2); }
.deploy button.primary { background:var(--accent); border-color:var(--accent); color:#fff; }
.deploy button.quiet { border-color:var(--border); color:var(--text3); }
.deploy-fig { margin:0; }
.deploy-fig svg { display:block; width:100%; height:auto; color:var(--text2); font:12px Inter,"Segoe UI",Helvetica,Arial,sans-serif; }
.deploy-fig .zone rect { fill:var(--bg3); stroke:var(--border); stroke-dasharray:5 4; }
.deploy-fig .zone text { font-size:10px; font-weight:800; letter-spacing:1.2px; fill:var(--text3); }
.deploy-fig .zone.k8s rect { fill:var(--blue-bg); stroke:var(--border2); }
.deploy-fig .zone.dmz rect { fill:var(--amber-bg); stroke:var(--amber); stroke-opacity:.45; }
.deploy-fig .zone.net rect { fill:var(--bg2); }
.deploy-fig .fw line { stroke:#cf1124; stroke-width:2; stroke-dasharray:6 5; }
.deploy-fig .fw text { fill:#cf1124; font-weight:700; }
.deploy-fig .node rect { fill:var(--surface); stroke:var(--border2); stroke-width:1.2; cursor:pointer; transition:.15s; }
.deploy-fig .node .l1 { fill:var(--blue-bg); stroke:none; }
.deploy-fig .node.store rect:first-child { fill:var(--surface); stroke:var(--blue); }
.deploy-fig .node.src rect { fill:var(--amber-bg); stroke:var(--amber); stroke-opacity:.6; }
.deploy-fig .node .t { font-size:13px; font-weight:700; fill:var(--text); }
.deploy-fig .node .s, .deploy-fig .edge .s { font-size:11px; fill:var(--text2); }
.deploy-fig .edge text { paint-order:stroke; stroke:var(--halo); stroke-width:3.5; stroke-linejoin:round; }
.deploy-fig .leader rect { fill:var(--amber-bg); stroke:var(--amber); stroke-opacity:.6; }
.deploy-fig .leader text { font-size:9px; font-weight:800; letter-spacing:1.2px; fill:var(--amber); }
.deploy-fig .note-box rect { fill:var(--surface); stroke:var(--border); }
.deploy-fig .note-box .t { font-size:12.5px; font-weight:700; fill:var(--text); }
.deploy-fig .note-box .s { font-size:11px; fill:var(--text2); }
.deploy-fig .edge line, .deploy-fig .edge path { fill:none; stroke:currentColor; stroke-width:1.6; }
.deploy-fig .edge.dashed path { stroke-dasharray:5 4; }
.deploy-fig .edge.src path, .deploy-fig .edge.src line { stroke:var(--amber); }
.deploy-fig .edge.hi path, .deploy-fig .edge.hi line { stroke:var(--blue); stroke-width:2.2; marker-end:url(#ar-hi);
  stroke-dasharray:9 5; animation:edgeflow 2.2s linear infinite; }
.deploy-fig .edge.hi.back path, .deploy-fig .edge.hi.back line { animation-direction:reverse; }
@keyframes edgeflow { to { stroke-dashoffset:-56; } }
@media (prefers-reduced-motion: reduce) {
  .deploy-fig .edge.hi path, .deploy-fig .edge.hi line { animation:none; stroke-dasharray:none; }
}
.deploy-fig .edge.hi .s { fill:var(--blue); font-weight:700; }
.deploy-fig .node:hover rect:first-child { stroke:var(--blue); stroke-width:2; }
.deploy-fig .node.hi rect:first-child { stroke:var(--blue); stroke-width:2.6; fill:var(--blue-bg); }
.deploy-fig .node.hi .l1 { fill:var(--border2); }
.deploy-fig .dim { opacity:.28; }
.deploy-fig .edge.ghost { visibility:hidden; }
.deploy-fig .edge.ghost.hi { visibility:visible; }
.deploy-panel { display:flex; align-items:flex-start; justify-content:space-between; gap:14px; margin-top:12px; padding-top:12px; border-top:1px solid var(--border); }
.deploy-step b { display:block; color:var(--accent); font-size:13.5px; margin-bottom:2px; }
.deploy-step span { color:var(--text2); font-size:13.5px; max-width:80ch; display:block; }
.deploy-nav { display:flex; align-items:center; gap:8px; flex:none; }
.deploy-nav span { font-family:"JetBrains Mono",Consolas,monospace; font-size:11.5px; color:var(--text3); min-width:36px; text-align:center; }