/* PageShift Help: light mode only */
:root{
  --accent:#534AB7; --accent-dark:#3F379A; --accent-soft:#EFEDFB; --ink:#1C1936;
  --text:#1F2033; --muted:#5B5F73; --line:#E4E4EC; --bg:#FFFFFF; --surface:#F6F6FA;
  --tip:#0F7B55; --tip-bg:#EAF7F1; --note:#3F51B5; --note-bg:#EEF1FC; --warn:#A15C07; --warn-bg:#FFF5E5;
  --radius:12px; --top:64px; --side:288px;
  --font:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-padding-top:calc(var(--top) + 16px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 var(--font)}
a{color:var(--accent)}
a:hover{color:var(--accent-dark)}
:focus-visible{outline:3px solid color-mix(in srgb,var(--accent) 55%,transparent);outline-offset:2px;border-radius:6px}
img{max-width:100%;height:auto}
kbd{font:600 .82em/1 var(--font);background:#fff;border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:.2em .45em;color:var(--text);white-space:nowrap}
code{font:.88em/1.4 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:var(--surface);border:1px solid var(--line);border-radius:6px;padding:.1em .4em;word-break:break-word}
pre{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:16px 0 22px;overflow-x:auto;max-width:100%;white-space:pre-wrap;word-break:break-word}
pre code{background:none;border:0;padding:0;font-size:.86em;white-space:inherit}
.skip{position:absolute;left:-999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
.skip:focus{left:12px}

/* top bar */
.topbar{position:sticky;top:0;z-index:40;height:var(--top);display:flex;align-items:center;gap:16px;padding:0 24px;background:var(--ink);color:#fff}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:600;font-size:17px;white-space:nowrap}
.brand:hover{color:#fff}
.brand img{filter:brightness(0) invert(1)}
.brand b{font-weight:600;color:#C9C4F5}
.menu-btn{display:none;background:none;border:0;color:#fff;padding:6px;margin-left:-6px;cursor:pointer;border-radius:8px}
.search{position:relative;flex:1;max-width:620px;margin-left:auto}
.search input{width:100%;height:42px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.1);color:#fff;font:15px var(--font);padding:0 44px 0 42px;outline:none}
.search input::placeholder{color:rgba(255,255,255,.65)}
.search input:focus{background:#fff;color:var(--text);border-color:#fff;box-shadow:0 0 0 3px rgba(201,196,245,.6)}
.search input:focus::placeholder{color:#8A8DA0}
.s-ico{position:absolute;left:13px;top:12px;color:rgba(255,255,255,.75);pointer-events:none}
.search input:focus ~ .s-ico,.search:focus-within .s-ico{color:var(--muted)}
.s-key{position:absolute;right:10px;top:10px;background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.2)}
.search:focus-within .s-key{display:none}
.q-results{position:absolute;left:0;right:0;top:48px;background:#fff;color:var(--text);border:1px solid var(--line);border-radius:12px;box-shadow:0 18px 50px rgba(28,25,54,.22);max-height:min(70vh,560px);overflow:auto;padding:6px}
.q-item{display:block;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text)}
.q-item .q-t{font-weight:600;color:var(--text)}
.q-item .q-s{font-size:12px;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.q-item .q-x{font-size:14px;color:var(--muted);margin-top:2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.q-item[aria-selected="true"],.q-item:hover{background:var(--accent-soft)}
.q-item mark,.search-page mark{background:#FFE9A8;color:inherit;border-radius:3px;padding:0 1px}
.q-empty{padding:14px 12px;color:var(--muted);font-size:14px}
.q-all{display:block;text-align:center;padding:10px;font-size:14px;font-weight:600;border-top:1px solid var(--line);margin-top:4px;text-decoration:none}

/* layout */
.layout{display:grid;grid-template-columns:var(--side) minmax(0,1fr) 240px;min-height:calc(100vh - var(--top))}
.sidebar{position:sticky;top:var(--top);height:calc(100vh - var(--top));overflow:auto;border-right:1px solid var(--line);background:var(--surface);padding:18px 14px 40px}
.side-nav{display:flex;flex-direction:column;gap:2px}
.nav-sec summary{list-style:none;display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;font-weight:600;font-size:14.5px;color:var(--ink);cursor:pointer;user-select:none}
.nav-sec summary::-webkit-details-marker{display:none}
.nav-sec summary::after{content:"";margin-left:auto;width:7px;height:7px;border-right:2px solid #9A9DB0;border-bottom:2px solid #9A9DB0;transform:rotate(-45deg);transition:transform .15s}
.nav-sec[open] summary::after{transform:rotate(45deg)}
.nav-sec summary:hover{background:#EDEDF4}
.ico{display:inline-flex;color:var(--accent);flex:none}
.nav-sec ul{list-style:none;margin:2px 0 10px;padding:0 0 0 28px}
.nav-sec li a{display:block;padding:6px 10px;border-radius:8px;font-size:14px;line-height:1.4;color:var(--muted);text-decoration:none}
.nav-sec li a:hover{background:#EDEDF4;color:var(--text)}
.nav-sec li a[aria-current="page"]{background:var(--accent-soft);color:var(--accent-dark);font-weight:600}
.main{min-width:0;padding:36px 56px 40px}
.article{max-width:780px}
.kind-home .article,.kind-search .article{max-width:1100px}
.aside-r{padding:36px 24px 0 0}
.foot{max-width:780px;margin-top:56px;padding-top:18px;border-top:1px solid var(--line);color:var(--muted);font-size:13.5px}
.kind-home .foot{max-width:1100px}

/* article */
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--muted);margin-bottom:10px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
h1{font-size:34px;line-height:1.2;letter-spacing:-.02em;color:var(--ink);margin:0 0 12px}
.lede{font-size:18.5px;color:var(--muted);margin:0 0 28px;max-width:700px}
.prose h2{font-size:23px;line-height:1.3;letter-spacing:-.01em;color:var(--ink);margin:44px 0 12px;padding-top:4px}
.prose h3{font-size:18px;color:var(--ink);margin:30px 0 8px}
.prose p,.prose ul,.prose ol{margin:0 0 16px}
.prose ul{padding-left:22px}
.prose li{margin:4px 0}
.prose strong{color:var(--ink);font-weight:600}
/* numbered steps */
.prose ol{list-style:none;counter-reset:step;padding:0}
.prose ol>li{counter-increment:step;position:relative;padding:2px 0 4px 46px;margin:0 0 12px}
.prose ol>li::before{content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font:700 14.5px/30px var(--font);text-align:center}
.prose ol>li>ul{margin-top:6px}
.prose ol ol>li{padding-left:36px}
.prose ol ol>li::before{width:24px;height:24px;font-size:12.5px;line-height:24px;background:var(--accent-soft);color:var(--accent-dark)}
/* callouts */
.callout{border-radius:var(--radius);padding:14px 18px;margin:20px 0;border:1px solid;border-left-width:4px}
.callout p{margin:0 0 8px}.callout p:last-child{margin:0}
.callout.tip{background:var(--tip-bg);border-color:#BFE6D5;border-left-color:var(--tip)}
.callout.tip strong:first-child{color:var(--tip)}
.callout.note{background:var(--note-bg);border-color:#CFD7F6;border-left-color:var(--note)}
.callout.note strong:first-child{color:var(--note)}
.callout.warn{background:var(--warn-bg);border-color:#F6DDB5;border-left-color:var(--warn)}
.callout.warn strong:first-child{color:var(--warn)}
/* screenshots */
.shot{margin:18px 0 26px}
.prose li .shot{margin:12px 0 16px}
.shot .zoom{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:var(--radius);background:#fff;overflow:hidden;cursor:zoom-in;box-shadow:0 1px 2px rgba(28,25,54,.06),0 8px 24px rgba(28,25,54,.08)}
.shot img{display:block;width:100%;height:auto}
/* a small magnifier in the corner tells people they can enlarge */
.shot .zoom{position:relative}
.shot .zoom::after{content:"";position:absolute;right:10px;bottom:10px;width:30px;height:30px;border-radius:50%;background:rgba(28,25,54,.72) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5M11 8v6M8 11h6'/%3E%3C/svg%3E") center/18px no-repeat;opacity:.85}
.shot .zoom:hover::after{opacity:1}
.shot figcaption{font-size:13.5px;color:var(--muted);margin-top:8px;text-align:center}
.shot.phone .zoom{max-width:300px;margin:0 auto;border-radius:22px;border:8px solid var(--ink)}
/* tables */
.table-wrap{overflow-x:auto;margin:16px 0 22px;border:1px solid var(--line);border-radius:var(--radius)}
.prose table{border-collapse:collapse;width:100%;font-size:15px}
.prose th,.prose td{text-align:left;padding:10px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{background:var(--surface);color:var(--ink);font-weight:600;white-space:nowrap}
.prose tr:last-child td{border-bottom:0}
/* pager */
.pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:48px}
.pager a{display:flex;flex-direction:column;gap:2px;border:1px solid var(--line);border-radius:var(--radius);padding:14px 18px;text-decoration:none;color:var(--ink);font-weight:600}
.pager a:hover{border-color:var(--accent);background:var(--accent-soft)}
.pager span{font-size:13px;font-weight:500;color:var(--muted)}
.pager .next{text-align:right}
/* on this page */
.toc{position:sticky;top:calc(var(--top) + 36px);font-size:14px}
.toc-h{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0 0 8px}
.toc ul{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.toc a{display:block;padding:5px 0 5px 14px;margin-left:-2px;border-left:2px solid transparent;color:var(--muted);text-decoration:none;line-height:1.4}
.toc a:hover{color:var(--text)}
.toc a.on{color:var(--accent-dark);border-left-color:var(--accent);font-weight:600}

/* home */
.hero{background:linear-gradient(135deg,var(--ink) 0%,#2E2870 60%,var(--accent) 130%);color:#fff;border-radius:20px;padding:44px 44px 40px;margin-bottom:32px}
.hero h1{color:#fff;font-size:40px}
.hero .lede{color:#D9D6F7;margin-bottom:22px}
.eyebrow{margin:0 0 8px;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#C9C4F5}
.hero-links{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;padding:9px 16px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);color:#fff;text-decoration:none;font-weight:600;font-size:14.5px}
.chip:hover{background:#fff;color:var(--ink)}
.sec-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.sec-card{border:1px solid var(--line);border-radius:16px;padding:22px 22px 18px;background:#fff}
.sec-card h2{display:flex;align-items:center;gap:10px;font-size:19px;margin:0 0 6px;color:var(--ink)}
.sec-card h2 .ico{width:34px;height:34px;border-radius:10px;background:var(--accent-soft);align-items:center;justify-content:center}
.sec-card>p{color:var(--muted);font-size:14.5px;margin:0 0 12px}
.sec-card ul{list-style:none;margin:0;padding:0}
.sec-card li a{display:block;padding:5px 0;font-size:15px;text-decoration:none}
.sec-card li a:hover{text-decoration:underline}
.sec-card .more{display:inline-block;margin-top:8px;font-size:14px;font-weight:600;text-decoration:none}
/* search page */
.search-page .q-item{border-bottom:1px solid var(--line);border-radius:0;padding:16px 4px}
.search-page .q-item .q-t{font-size:18px;color:var(--accent)}
.search-page .q-x{-webkit-line-clamp:3}
/* lightbox */
.lightbox{position:fixed;inset:0;z-index:90;background:rgba(14,12,30,.86);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:28px;cursor:zoom-out}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(1600px,100%);max-height:calc(100vh - 110px);border-radius:10px;background:#fff;box-shadow:0 20px 60px rgba(0,0,0,.5)}
.lb-cap{color:#fff;margin:14px 0 0;font-size:15px;text-align:center}
.lb-close{position:absolute;top:14px;right:18px;width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:28px;line-height:1;cursor:pointer}

/* responsive */
@media (max-width:1279px){ .layout{grid-template-columns:var(--side) minmax(0,1fr)} .aside-r{display:none} }
@media (max-width:1023px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .menu-btn{display:inline-flex}
  .sidebar{position:fixed;left:0;top:var(--top);bottom:0;width:min(320px,86vw);height:auto;z-index:60;transform:translateX(-105%);transition:transform .2s ease;box-shadow:0 0 40px rgba(0,0,0,.2)}
  body.nav-open .sidebar{transform:none}
  .scrim{position:fixed;inset:var(--top) 0 0 0;background:rgba(14,12,30,.4);z-index:55}
  .main{padding:28px 28px 32px}
}
@media (max-width:640px){
  :root{--top:58px}
  .topbar{padding:0 12px;gap:10px}
  .brand span{display:none}
  .s-key{display:none}
  .search input{height:40px;font-size:16px;padding-right:12px}
  .q-results{position:fixed;left:8px;right:8px;top:62px}
  .main{padding:22px 16px 28px}
  h1{font-size:27px}
  .lede{font-size:17px}
  .prose h2{font-size:21px}
  .hero{padding:28px 20px;border-radius:16px}
  .hero h1{font-size:30px}
  .pager{grid-template-columns:1fr}
  .pager .next{text-align:left}
  .sec-grid{grid-template-columns:1fr}
  .prose ol>li{padding-left:40px}
}
@media print{
  .topbar,.sidebar,.aside-r,.pager,.foot,.scrim{display:none!important}
  .layout{display:block}.main{padding:0}
  .shot .zoom{box-shadow:none}
  a{color:inherit}
  .prose ol>li::before{border:1px solid #000;background:#fff;color:#000}
}