/* PageStax Help — palette, fonts and logo from the marketing site
   (site/assets/site.css) and the app's LogoMark. No framework. */

:root{
  --ink:#0f172a;
  --body:#334155;
  --muted:#556176;
  --line:#e2e8f0;
  --line-2:#cbd5e1;
  --ground:#f6f7fb;
  --paper:#ffffff;
  --accent:#4f46e5;
  --accent-hi:#6366f1;
  --accent-deep:#4338ca;
  --accent-line:#c7d2fe;
  --lav:#a5b4fc;
  --mist:#e0e7ff;
  --mist-2:#eef2ff;
  --pos:#3f7a63; --pos-bg:#eef6f1; --pos-line:#cfe3d8;
  --neg:#9c4a45; --neg-bg:#faf1f0; --neg-line:#ecd9d7;
  --warn:#7a5a1f; --warn-bg:#fbf6ea; --warn-line:#eadfc4;
  --r:14px;
  --e1:0 1px 3px rgba(15,23,42,.06),0 1px 2px -1px rgba(15,23,42,.04);
  --e2:0 10px 30px -12px rgba(15,23,42,.18),0 4px 10px -6px rgba(15,23,42,.08);
  --sans:'Plus Jakarta Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --serif:'Instrument Serif',Georgia,'Times New Roman',serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --gut:clamp(16px,3.5vw,32px);
  --head:64px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--head) + 16px)}
body{margin:0;font-family:var(--sans);font-size:16px;line-height:1.65;color:var(--body);background:var(--paper);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img,svg{display:block;max-width:100%}
a{color:var(--accent);text-underline-offset:2px}
a:hover{color:var(--accent-deep)}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.02em;line-height:1.2}
:focus-visible{outline:3px solid var(--accent-hi);outline-offset:2px;border-radius:6px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px;font-weight:600;text-decoration:none}
.skip:focus{top:12px;color:#fff}
.sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.em{font-family:var(--serif);font-style:italic;font-weight:400;letter-spacing:-.01em}
main:focus{outline:none}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 16px;border-radius:10px;
  font:600 14px/1 var(--sans);text-decoration:none;border:1px solid transparent;white-space:nowrap;transition:background-color .15s}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 0 rgba(255,255,255,.18) inset,0 8px 18px -10px rgba(79,70,229,.7)}
.btn-primary:hover{background:var(--accent-deep);color:#fff}
.btn-sm{height:36px;padding:0 14px}

/* ---------- header ---------- */
.head{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:saturate(1.4) blur(12px);
  -webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;gap:20px;height:var(--head);max-width:1440px;margin:0 auto;padding:0 var(--gut)}
.brand{display:inline-flex;align-items:center;gap:8px;text-decoration:none;color:var(--ink);flex:none}
.brand .mark{width:28px;height:28px;flex:none}
.logo-word{font-weight:500;font-size:19px;letter-spacing:-.02em;color:var(--ink);line-height:1}
.logo-word b{font-weight:800;color:var(--accent)}
.logo-help{font:600 12px/1 var(--mono);color:var(--accent-deep);background:var(--mist-2);border:1px solid var(--accent-line);
  padding:4px 7px;border-radius:999px;margin-left:2px}
.head-space{flex:1}
.head-links{display:flex;align-items:center;gap:6px;flex:none}
.head-site{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600;padding:8px 10px;border-radius:9px}
.head-site:hover{color:var(--ink);background:var(--ground)}

/* ---------- search ---------- */
.search{position:relative;flex:1;max-width:460px;margin-left:auto}
.search input{width:100%;height:40px;border:1px solid var(--line-2);border-radius:10px;background:var(--ground);
  font:500 14.5px/1 var(--sans);color:var(--ink);padding:0 38px 0 38px;-webkit-appearance:none;appearance:none}
.search input::placeholder{color:#6b778b}
.search input:focus{outline:none;border-color:var(--accent);background:var(--paper);box-shadow:0 0 0 4px var(--mist)}
.search input::-webkit-search-cancel-button{-webkit-appearance:none}
.search-ico{position:absolute;left:12px;top:50%;width:17px;height:17px;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.search-key{position:absolute;right:10px;top:50%;transform:translateY(-50%);font:600 11px/1 var(--mono);color:var(--muted);
  border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:3px 6px;background:var(--paper)}
.search input:focus ~ .search-key{display:none}
.search-big{max-width:640px;margin:28px 0 0}
.search-big input{height:56px;font-size:16.5px;border-radius:14px;background:var(--paper);padding-left:48px;box-shadow:var(--e1)}
.search-big .search-ico{left:17px;width:20px;height:20px}
.search-results{position:absolute;left:0;right:0;top:calc(100% + 6px);background:var(--paper);border:1px solid var(--line);
  border-radius:12px;box-shadow:var(--e2);max-height:min(70vh,520px);overflow:auto;z-index:60;padding:6px}
.search-results a{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--body)}
.search-results a strong{display:block;color:var(--ink);font-size:14.5px;font-weight:650}
.search-results a span{display:block;font-size:13px;color:var(--muted);line-height:1.45;margin-top:2px}
.search-results a em{font-style:normal;font:600 11px/1 var(--mono);color:var(--accent-deep);text-transform:uppercase;letter-spacing:.03em}
.search-results a[aria-selected="true"],.search-results a:hover{background:var(--mist-2)}
.search-results mark{background:#fef3c7;color:inherit;border-radius:3px;padding:0 1px}
.search-empty{padding:14px 12px;font-size:14px;color:var(--muted)}

@media (max-width:760px){
  .head-in{flex-wrap:wrap;height:auto;padding-top:10px;padding-bottom:10px;row-gap:10px}
  .head .search{order:3;flex-basis:100%;max-width:none}
  .head-links{margin-left:auto}
  .search-key{display:none}
}
@media (max-width:420px){.head-site{display:none}}

/* ---------- home ---------- */
.hero{padding:64px var(--gut) 56px;background:
  radial-gradient(800px 420px at 90% 0%,rgba(165,180,252,.35),transparent 60%),
  radial-gradient(640px 380px at -10% 100%,rgba(224,231,255,.85),transparent 60%),
  linear-gradient(180deg,#fff 0%,var(--ground) 100%);border-bottom:1px solid var(--line)}
.hero-in{max-width:1120px;margin:0 auto}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font:600 12.5px/1 var(--mono);color:var(--accent-deep);margin:0;
  background:var(--paper);border:1px solid var(--accent-line);padding:7px 12px 7px 8px;border-radius:999px}
.eyebrow i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent-hi);box-shadow:0 0 0 4px var(--mist)}
.hero h1{font-size:clamp(36px,5vw,56px);font-weight:800;letter-spacing:-.04em;line-height:1.02;margin:20px 0 14px}
.hero h1 .em{color:var(--accent);font-size:1.08em}
.lede{font-size:clamp(16px,1.5vw,18.5px);max-width:36em;margin:0}
.popular{display:inline;margin:0}
.popular span{font-size:13.5px;color:var(--muted);font-weight:600}
.popular-list{display:flex;flex-wrap:wrap;gap:8px;list-style:none;padding:0;margin:14px 0 0}
.popular-list a{display:inline-block;font-size:13.5px;font-weight:600;text-decoration:none;color:var(--ink);background:var(--paper);
  border:1px solid var(--line-2);border-radius:999px;padding:6px 12px}
.popular-list a:hover{border-color:var(--accent);color:var(--accent-deep)}
.grid-wrap{max-width:1120px;margin:0 auto;padding:48px var(--gut) 72px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.card{border:1px solid var(--line);border-radius:var(--r);padding:22px 22px 20px;background:var(--paper);box-shadow:var(--e1);display:flex;flex-direction:column}
.card-ico{width:40px;height:40px;border-radius:11px;background:var(--mist-2);color:var(--accent);display:grid;place-items:center;margin-bottom:14px}
.card-ico .ico{width:21px;height:21px}
.card h2{font-size:18px;font-weight:750}
.card h2 a{color:var(--ink);text-decoration:none}
.card h2 a:hover{color:var(--accent)}
.card p{margin:6px 0 12px;font-size:14.5px;color:var(--muted);line-height:1.55}
.card ul{list-style:none;padding:0;margin:0 0 4px;border-top:1px solid var(--line)}
.card li a{display:block;padding:8px 0;font-size:14.5px;font-weight:550;text-decoration:none;border-bottom:1px solid var(--line);color:var(--body)}
.card li a:hover{color:var(--accent)}
.card-more{margin-top:10px;font-size:14px;font-weight:650;text-decoration:none}
.home-extra{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:18px}
.extra{display:flex;gap:14px;align-items:flex-start;padding:18px 20px;border-radius:var(--r);background:var(--ground);border:1px solid var(--line);text-decoration:none;color:var(--body)}
.extra .ico{width:22px;height:22px;color:var(--accent);flex:none;margin-top:2px}
.extra strong{display:block;color:var(--ink)}
.extra span{font-size:14.5px}
.extra:hover{border-color:var(--accent-line);background:var(--mist-2);color:var(--body)}

/* ---------- docs shell ---------- */
.shell{display:grid;grid-template-columns:272px minmax(0,1fr) 220px;gap:0 44px;max-width:1440px;margin:0 auto;padding:0 var(--gut)}
.side-toggle{display:none}
.side{position:sticky;top:var(--head);align-self:start;max-height:calc(100vh - var(--head));overflow:auto;padding:28px 8px 40px 0;
  border-right:1px solid var(--line)}
.nav-tree{list-style:none;margin:0;padding:0}
.nav-tree ul{list-style:none;margin:2px 0 12px;padding:0 0 0 10px;border-left:1px solid var(--line);margin-left:10px}
.nav-cat{display:block;font-size:13px;font-weight:750;color:var(--ink);text-decoration:none;padding:7px 10px;border-radius:8px;letter-spacing:.005em}
.nav-tree ul a{display:block;font-size:14px;color:var(--muted);text-decoration:none;padding:5px 10px;border-radius:7px;line-height:1.4}
.nav-tree a:hover{color:var(--ink);background:var(--ground)}
.nav-tree a[aria-current="page"]{color:var(--accent-deep);background:var(--mist-2);font-weight:650}
.nav-extra{margin-top:10px;padding-top:12px;border-top:1px solid var(--line)}
.main{padding:28px 0 72px;min-width:0}
.toc{position:sticky;top:var(--head);align-self:start;padding:34px 0 40px}
.toc-title{font:600 11.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:0 0 10px}
.toc ul{list-style:none;margin:0;padding:0;border-left:1px solid var(--line)}
.toc a{display:block;font-size:13.5px;color:var(--muted);text-decoration:none;padding:4px 0 4px 12px;margin-left:-1px;border-left:2px solid transparent;line-height:1.4}
.toc a:hover{color:var(--ink)}
.toc a.is-active{color:var(--accent-deep);border-left-color:var(--accent)}

@media (max-width:1200px){
  .shell{grid-template-columns:250px minmax(0,1fr);gap:0 36px}
  .toc{display:none}
}
@media (max-width:900px){
  .shell{display:block}
  .side-toggle{display:block;margin:16px 0 0;border:1px solid var(--line);border-radius:12px;background:var(--ground)}
  .side-toggle summary{cursor:pointer;list-style:none;padding:12px 14px;font-weight:650;color:var(--ink);font-size:14.5px;display:flex;align-items:center;justify-content:space-between}
  .side-toggle summary::-webkit-details-marker{display:none}
  .side-toggle summary::after{content:"";width:9px;height:9px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg) translateY(-3px);transition:transform .15s}
  .side-toggle[open] summary::after{transform:rotate(-135deg) translateY(-2px)}
  .side{display:none;position:static;max-height:none;border:1px solid var(--line);border-top:0;border-radius:0 0 12px 12px;padding:10px 10px 14px;margin-top:-10px;background:var(--paper)}
  .side-toggle[open]{border-radius:12px 12px 0 0}
  .side-toggle[open] + .side{display:block}
  .main{padding-top:18px}
}

/* ---------- breadcrumbs ---------- */
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px;list-style:none;margin:0 0 18px;padding:0;font-size:13.5px;color:var(--muted)}
.crumbs li{display:flex;align-items:center;gap:4px}
.crumbs li+li::before{content:"/";color:var(--line-2);margin-right:2px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent);text-decoration:underline}
.crumbs [aria-current]{color:var(--ink);font-weight:600}

/* ---------- article ---------- */
.doc,.doc-head,.doc-help,.pager,.cat-list{max-width:72ch}
.doc-head{margin-bottom:26px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.doc-cat{display:flex;align-items:center;gap:6px;font:600 12px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--accent-deep);margin:0 0 12px}
.ico-inline{width:15px;height:15px}
.doc-head h1{font-size:clamp(28px,3.4vw,38px);font-weight:800;letter-spacing:-.03em;line-height:1.12}
.doc-lede{font-size:17.5px;color:var(--muted);margin:12px 0 0;line-height:1.55}

.prose{font-size:16.5px;line-height:1.72}
.prose > *:first-child{margin-top:0}
.prose p,.prose ul,.prose ol,.prose pre,.prose .table-wrap,.prose blockquote,.prose .callout{margin:0 0 1.05em}
.prose h2{font-size:23px;font-weight:750;margin:1.9em 0 .6em;letter-spacing:-.02em}
.prose h3{font-size:18.5px;font-weight:700;margin:1.6em 0 .5em}
.prose h4{font-size:16.5px;font-weight:700;margin:1.4em 0 .4em}
.prose .anchor{margin-left:8px;color:var(--line-2);text-decoration:none;font-weight:500;opacity:0;transition:opacity .15s}
.prose h2:hover .anchor,.prose h3:hover .anchor,.prose .anchor:focus{opacity:1}
.prose .anchor:hover{color:var(--accent)}
.prose strong{color:var(--ink);font-weight:700}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--muted)}
.prose ol > li::marker{font-weight:700;color:var(--accent-deep)}
.prose li > ul,.prose li > ol{margin:.35em 0 .2em}
.prose code{font-family:var(--mono);font-size:.86em;background:var(--ground);border:1px solid var(--line);border-radius:5px;padding:.08em .35em;color:var(--ink);word-break:break-word}
.prose pre{background:#12152b;color:#e6e8fb;border-radius:12px;padding:16px 18px;overflow-x:auto;font-size:13.5px;line-height:1.6}
.prose pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit;word-break:normal}
.prose kbd{font:600 .8em/1 var(--mono);border:1px solid var(--line-2);border-bottom-width:2px;border-radius:5px;padding:2px 6px;background:var(--paper);color:var(--ink);white-space:nowrap}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}
.prose blockquote{border-left:3px solid var(--accent-line);padding:2px 0 2px 16px;color:var(--muted)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
.prose table{border-collapse:collapse;width:100%;font-size:14.5px;line-height:1.5}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--ground);color:var(--ink);font-weight:700;font-size:13.5px}
.prose tr:last-child td{border-bottom:0}
.callout{border:1px solid var(--accent-line);background:var(--mist-2);border-radius:12px;padding:14px 16px 2px}
.callout p,.callout ul,.callout ol{margin:0 0 .75em}
.callout-title{font:700 12px/1 var(--mono)!important;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-deep);margin:2px 0 8px!important}
.callout-tip{border-color:var(--pos-line);background:var(--pos-bg)}
.callout-tip .callout-title{color:var(--pos)}
.callout-warning{border-color:var(--warn-line);background:var(--warn-bg)}
.callout-warning .callout-title{color:var(--warn)}
.callout-caution{border-color:var(--neg-line);background:var(--neg-bg)}
.callout-caution .callout-title{color:var(--neg)}

.doc-help{margin:40px 0 0;padding:14px 16px;border-radius:12px;background:var(--ground);font-size:14.5px}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.pager a{display:block;border:1px solid var(--line);border-radius:12px;padding:12px 16px;text-decoration:none;color:var(--ink);font-weight:650;font-size:15px;line-height:1.35}
.pager a span{display:block;font:600 11.5px/1 var(--mono);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin-bottom:7px}
.pager a:hover{border-color:var(--accent);color:var(--accent-deep)}
.pager-next{text-align:right}
@media (max-width:560px){.pager{grid-template-columns:1fr}.pager-next{text-align:left}}

.cat-list{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}
.cat-list a{display:block;padding:16px 4px;border-bottom:1px solid var(--line);text-decoration:none}
.cat-list strong{display:block;color:var(--ink);font-size:16.5px}
.cat-list span{display:block;color:var(--muted);font-size:14.5px;margin-top:3px}
.cat-list a:hover strong{color:var(--accent)}

.notfound{max-width:640px;margin:0 auto;padding:80px var(--gut)}
.notfound h1{font-size:36px;font-weight:800;margin-bottom:8px}
.notfound p{margin:16px 0}

/* ---------- footer ---------- */
.foot{border-top:1px solid var(--line);background:var(--paper)}
.foot-in{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px;max-width:1440px;margin:0 auto;padding:32px var(--gut) 40px}
.foot .logo-word{font-size:17px}
.foot .brand .mark{width:24px;height:24px}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 22px;margin-left:auto}
.foot-links a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:550}
.foot-links a:hover{color:var(--ink);text-decoration:underline}
.foot-small{flex-basis:100%;font-size:13px;color:#667287;margin:0}
.foot-small a{color:inherit}
@media (max-width:640px){.foot-links{margin-left:0}}

@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.head,.side,.side-toggle,.toc,.pager,.foot,.doc-help{display:none!important}.shell{display:block}}