/* The Handbook (crosstela.com/handbook). Colours come only from the tokens in site.css, so the
   three styles work. Calm like the reading pages: a plain ground, hairlines, one accent.
   Positions of callout dots and inline icon masks live in the generated handbook/handbook.gen.css
   (the CSP allows no inline styles). Pages are built by site/tools/build_handbook.mjs. */

/* Both languages are in the page; the one on <html lang> shows. boot.js sets it before paint. */
html:not([lang="uk"]) .l[lang="uk"],html[lang="uk"] .l[lang="en"]{display:none!important}

body.hb-page{--rule:color-mix(in srgb,var(--ink) 13%,transparent);--top:58px;--stick:0px;--col:720px;
  min-height:100dvh;display:flex;flex-direction:column;line-height:1.6}
html[data-style="blush"] body.hb-page{background-image:none}
body.hb-page .foot{margin-top:auto;border-top:1px solid var(--rule)}

/* ---------- Top bar ---------- */
/* A quiet bar that scrolls away: the way home and the App Store. Search lives in the side column (and the slim bar). */
.hb-top{position:relative;z-index:40}
.hb-top-in{display:flex;align-items:center;gap:14px;height:var(--top);max-width:1320px;margin:0 auto;padding:0 clamp(16px,2.4vw,28px)}
.hb-top .brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);
  font-family:var(--display);font-weight:var(--display-w);letter-spacing:var(--track);font-size:18px;line-height:1}
.hb-top .brand img{width:28px;height:28px;border-radius:7px}
.hb-home{text-decoration:none;color:var(--ink-2);font-weight:600;font-size:15px;padding:6px 2px;border-left:1px solid var(--rule);padding-left:14px}
.hb-home:hover,.hb-home[aria-current="page"]{color:var(--accent)}
.hb-top .grow{flex:1}
.hb-searchbtn{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 8px 0 12px;border:1px solid var(--rule);border-radius:999px;
  background:var(--tile);color:var(--muted);font-size:14px;cursor:pointer;min-width:200px}
.hb-searchbtn:hover{color:var(--ink);border-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.hb-searchbtn svg{width:16px;height:16px;flex:none}
.hb-searchbtn .t{flex:1;text-align:left}
kbd{font:600 11.5px/1 var(--text);color:var(--muted);border:1px solid var(--rule);border-radius:6px;padding:3px 6px;background:var(--tile-2)}
.hb-top .store{display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;background:var(--accent);color:var(--on-accent);
  text-decoration:none;font-weight:650;font-size:14px;white-space:nowrap}
.hb-top .store:hover{filter:brightness(1.07)}
.hb-searchbtn{display:none}
@media (max-width:520px){.hb-top .store{display:none}.hb-home{font-size:14px;padding-left:12px}}

/* ---------- Phone and tablet bar: Contents · Search ---------- */
.hb-slim{display:none}
@media (max-width:1099px){
  .hb-slim{display:flex;gap:8px;position:sticky;top:var(--stick);z-index:30;padding:8px clamp(16px,2.4vw,28px);
    background:var(--glass);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 1px 0 var(--rule)}
  .hb-slim button{display:inline-flex;align-items:center;gap:8px;height:36px;padding:0 14px;border:1px solid var(--rule);border-radius:999px;
    background:var(--tile);color:var(--ink);font-size:14px;font-weight:600;cursor:pointer}
  .hb-slim button:last-child{margin-left:auto}
  .hb-slim svg{width:16px;height:16px;color:var(--muted)}
}

/* ---------- Shell: nav · article · on this page ---------- */
.hb-shell{flex:1;width:100%;max-width:1320px;margin:0 auto;padding:0 clamp(16px,2.4vw,28px)}
.hb-main{min-width:0;padding:clamp(24px,4vw,48px) 0 clamp(40px,6vw,72px)}
@media (min-width:1100px){
  .hb-shell{display:grid;grid-template-columns:260px minmax(0,1fr);gap:clamp(32px,3.4vw,56px)}
  .hb-main{display:grid;grid-template-columns:minmax(0,var(--col)) 200px;gap:0 clamp(32px,3vw,56px);align-items:start;justify-content:start}
}

/* Left nav */
.hb-nav{font-size:14.5px}
.hb-nav-head{display:none}
.hb-navsearch{display:flex;align-items:center;gap:8px;width:100%;height:38px;margin:0 0 18px;padding:0 8px 0 12px;border:1px solid var(--rule);border-radius:12px;
  background:var(--tile);color:var(--muted);font-size:14px;cursor:pointer;text-align:left}
.hb-navsearch:hover{color:var(--ink)}
.hb-navsearch svg{width:16px;height:16px;flex:none}
.hb-navsearch>span{flex:1}
.hb-sec{margin:0 0 6px}
.hb-sec summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;padding:8px 8px 6px;border-radius:8px;
  font:650 11.5px/1.2 var(--text);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.hb-sec summary::-webkit-details-marker{display:none}
.hb-sec summary::after{content:'';width:6px;height:6px;border-right:1.6px solid currentColor;border-bottom:1.6px solid currentColor;transform:rotate(-45deg);transition:transform .2s;margin-right:4px}
.hb-sec[open] summary::after{transform:rotate(45deg)}
.hb-sec summary:hover{color:var(--ink)}
.hb-sec ul{list-style:none;margin:2px 0 10px;padding:0}
.hb-sec a{display:block;padding:6px 10px 6px 12px;border-left:3px solid transparent;border-radius:0 8px 8px 0;text-decoration:none;color:var(--ink-2);line-height:1.35}
.hb-sec a:hover{background:var(--accent-soft);color:var(--ink)}
.hb-sec a[aria-current="page"]{border-left-color:var(--accent);color:var(--ink);font-weight:700;background:color-mix(in srgb,var(--accent-soft) 60%,transparent)}
.hb-sec a.is-draft{color:var(--muted)}
@media (min-width:1100px){
  .hb-nav{position:sticky;top:calc(var(--stick) + 20px);max-height:calc(100dvh - var(--stick) - 40px);overflow:auto;padding:28px 4px 24px 0;overscroll-behavior:contain}
}
@media (max-width:1099px){
  .hb-nav{position:fixed;z-index:70;left:0;top:0;bottom:0;width:min(340px,88vw);overflow:auto;padding:14px 16px 28px;background:var(--tile);
    box-shadow:0 0 0 1px var(--rule),24px 0 60px -30px rgba(0,0,0,.45);transform:translateX(-102%);visibility:hidden;transition:transform .32s var(--ease),visibility 0s .32s}
  .hb-nav.is-open{transform:none;visibility:visible;transition:transform .32s var(--ease)}
  .hb-nav-head{display:flex;align-items:center;justify-content:space-between;margin:0 0 12px}
  .hb-nav-head .t{font-family:var(--display);font-weight:var(--display-w);letter-spacing:var(--track);font-size:20px}
  .hb-scrim{position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.28)}
}
.hb-scrim[hidden]{display:none}
.hb-x{display:grid;place-items:center;width:34px;height:34px;border:0;border-radius:50%;background:var(--accent-soft);color:var(--ink);font-size:22px;line-height:1;cursor:pointer}

/* Right: on this page */
.hb-toc{display:none}
@media (min-width:1100px){
  .hb-toc{display:block;position:sticky;top:calc(var(--stick) + 28px);font-size:13.5px;padding-top:6px}
  .hb-toc-h{margin:0 0 10px;font:650 11.5px/1.2 var(--text);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
  .hb-toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--rule)}
  .hb-toc a{display:block;padding:5px 0 5px 12px;margin-left:-1px;border-left:2px solid transparent;color:var(--ink-2);text-decoration:none;line-height:1.35}
  .hb-toc a:hover{color:var(--ink)}
  .hb-toc a.is-current{border-left-color:var(--accent);color:var(--accent);font-weight:650}
  .toc-inline{display:none}
}

/* ---------- Article ---------- */
.hb-article{min-width:0;max-width:var(--col)}
.crumb{margin:0 0 14px;font-size:13.5px;color:var(--muted)}
.crumb a{color:var(--ink-2);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.crumb a:hover{color:var(--accent)}
.hb-article h1{font-family:var(--display);font-weight:var(--display-w);letter-spacing:var(--track);color:var(--ink);
  font-size:clamp(32px,4.6vw,48px);line-height:1.06;margin:0;overflow-wrap:break-word}
.hb-article .lead{margin:16px 0 0;font-size:clamp(18px,1.9vw,20px);line-height:1.5;color:var(--ink)}
.draft-note{display:inline-block;margin:16px 0 0;padding:5px 12px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13.5px;font-weight:650}
.toc-inline{margin:22px 0 0;border:1px solid var(--rule);border-radius:12px;padding:0 14px;font-size:15px}
.toc-inline summary{cursor:pointer;padding:10px 0;font-weight:650;color:var(--ink)}
.toc-inline ol{margin:0 0 12px;padding-left:1.2em}
.toc-inline a{color:var(--ink-2)}

.prose{margin-top:clamp(24px,3vw,36px)}
.prose::after{content:'';display:block;clear:both}
.prose p,.prose li{font-size:17px;color:var(--ink-2)}
.prose p{margin:.85em 0}
.prose strong{color:var(--ink);font-weight:650}
.prose a,.related a,.way-on .still a,.call a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;
  text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.prose a:hover{text-decoration-color:currentColor}
.prose code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.86em;color:var(--ink);background:color-mix(in srgb,var(--ink) 7%,transparent);padding:.1em .36em;border-radius:5px}
.prose h2{font-family:var(--display);font-weight:var(--display-w);letter-spacing:calc(var(--track) * .55);color:var(--ink);
  font-size:clamp(22px,2.6vw,27px);line-height:1.2;margin:2.1em 0 .1em;scroll-margin-top:64px;clear:both}
.prose h3{font-size:17.5px;color:var(--ink);margin:1.6em 0 .2em;line-height:1.35}
.prose ul{padding-left:1.2em;margin:.85em 0}
.prose ul li{margin:.4em 0}
.prose ul li::marker{color:var(--muted)}

/* Numbered steps: one action each, the number in a soft disc. */
.prose ol.steps{list-style:none;counter-reset:st;margin:1.1em 0;padding:0}
.prose ol.steps>li{counter-increment:st;position:relative;padding:0 0 0 44px;margin:0 0 14px;min-height:30px}
.prose ol.steps>li::before{content:counter(st);position:absolute;left:0;top:-1px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);font:700 14.5px/1 var(--text);font-feature-settings:'tnum'}

/* Inline glyphs: the app's SF Symbols as masks, so they take the text colour. */
.sf{display:inline-block;width:1.05em;height:1.05em;vertical-align:-.17em;margin:0 .12em;background:currentColor;
  -webkit-mask-size:contain;mask-size:contain;-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;color:var(--ink)}

/* Tip, Good to know, On iPhone */
.call{margin:1.4em 0;padding:14px 18px;border-radius:14px;background:var(--accent-soft)}
.call p{margin:0;font-size:16px;color:var(--ink-2)}
.call-h{display:block;margin:0 0 2px;font:650 12px/1.4 var(--text);letter-spacing:.07em;text-transform:uppercase;color:var(--accent)}
.call.note,.call.iphone,.call.ipad,.call.mac{background:transparent;border:1px solid var(--rule)}
.call.note .call-h,.call.iphone .call-h,.call.ipad .call-h,.call.mac .call-h{color:var(--ink)}

/* Tables become stacked rows on phones. */
.tbl{margin:1.2em 0;overflow-x:auto}
.tbl table{border-collapse:collapse;width:100%;font-size:15.5px;line-height:1.5}
.tbl th{text-align:left;padding:0 16px 10px 0;border-bottom:1px solid var(--rule);font:650 12px/1.2 var(--text);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.tbl td{vertical-align:top;padding:12px 16px 12px 0;border-bottom:1px solid var(--rule);color:var(--ink-2)}
.tbl td:first-child{color:var(--ink);font-weight:650;white-space:nowrap}
.tbl tr:last-child td{border-bottom:0}
@media (max-width:640px){
  .tbl thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
  .tbl table,.tbl tbody,.tbl tr,.tbl td{display:block}
  .tbl tr{padding:12px 0;border-bottom:1px solid var(--rule)}
  .tbl tr:last-child{border-bottom:0}
  .tbl td{padding:0;border:0;white-space:normal!important}
  .tbl td+td{margin-top:4px}
  .tbl td+td::before{content:attr(data-h) ': ';font-weight:600;color:var(--muted)}
  .tbl td+td[data-h=""]::before{content:none}
}

/* ---------- Media ---------- */
.shot{margin:1.6em 0}
/* A picture is never taller than the screen: the builder caps each frame's width by its proportions (handbook.gen.css). */
.shot{--shot-h:min(78vh,780px)}
.shot .frame{position:relative;margin-inline:auto}
.shot img,.shot video{width:100%;height:auto;border-radius:12px;border:1px solid var(--rule);background:var(--tile)}
.shot figcaption{margin-top:10px;font-size:14.5px;line-height:1.5;color:var(--muted)}
.shot.iphone{max-width:300px;margin-left:auto;margin-right:auto}
.shot.iphone img,.shot.iphone video{border-radius:18px}
@media (min-width:1100px){.prose>.shot.iphone{float:right;width:280px;margin:.4em 0 1.2em 32px}}
.shots-row{display:grid;gap:14px;margin:1.6em 0}
.shots-row .shot{margin:0}
@media (min-width:640px){.shots-row.n2{grid-template-columns:1fr 1fr}.shots-row.n3{grid-template-columns:repeat(3,1fr)}.shots-row.n4{grid-template-columns:repeat(2,1fr)}}

/* Placeholder until the picture arrives: the shot id and what it will show. */
.frame.ph{display:grid;place-items:center;aspect-ratio:4/3;border:1.5px dashed var(--rule);border-radius:12px;background:var(--tile-2);padding:18px;text-align:center}
.frame.ph.iphone{aspect-ratio:402/874}
.ph-in{display:grid;gap:6px;max-width:44ch;color:var(--muted);font-size:14px;line-height:1.45}
.ph-in b{font:700 13px/1 var(--text);letter-spacing:.06em;color:var(--accent)}
.ph-in small{font-size:12px;opacity:.8}

/* Callouts: a numbered marker stands BESIDE the control it names, its small tip touching the control's edge
   (the way Procreate's handbook does it); the words sit below, linked both ways. The builder places the tip
   (left/top, in % of the picture) and the side; .at-* turns the circle so the tip lands on that point. */
.shot a.dot{--d:22px;--tip:7px;--hb:6px;--lift:0px;--reach:calc(var(--tip) + var(--lift));--head:calc(var(--tip) + 2px);position:absolute;z-index:2;display:grid;place-items:center;box-sizing:border-box;width:var(--d);height:var(--d);border-radius:50%;
  background:var(--accent);color:var(--on-accent);font:700 12px/1 var(--text);font-variant-numeric:tabular-nums;font-feature-settings:'tnum';letter-spacing:0;text-decoration:none;
  filter:drop-shadow(0 1px 1.5px rgba(0,0,0,.38));transition:scale .16s var(--spring),background-color .15s,color .15s}
/* The tip is a small arrowhead; a marker pushed out to clear a neighbour (--lift) keeps its tip on the control through a thin stem. */
.shot a.dot::after{content:'';position:absolute;background:inherit;pointer-events:none}
.shot a.dot.at-below{transform:translate(-50%,var(--reach));transform-origin:50% calc(-1*var(--reach))}
.shot a.dot.at-below::after{left:50%;margin-left:calc(-1*var(--hb));width:calc(2*var(--hb));top:calc(-1*var(--reach));height:calc(var(--reach) + 2px);
  clip-path:polygon(50% 0,100% var(--head),calc(50% + 1px) var(--head),calc(50% + 1px) 100%,calc(50% - 1px) 100%,calc(50% - 1px) var(--head),0 var(--head))}
.shot a.dot.at-above{transform:translate(-50%,calc(-100% - var(--reach)));transform-origin:50% calc(100% + var(--reach))}
.shot a.dot.at-above::after{left:50%;margin-left:calc(-1*var(--hb));width:calc(2*var(--hb));bottom:calc(-1*var(--reach));height:calc(var(--reach) + 2px);
  clip-path:polygon(50% 100%,100% calc(100% - var(--head)),calc(50% + 1px) calc(100% - var(--head)),calc(50% + 1px) 0,calc(50% - 1px) 0,calc(50% - 1px) calc(100% - var(--head)),0 calc(100% - var(--head)))}
.shot a.dot.at-right{transform:translate(var(--reach),-50%);transform-origin:calc(-1*var(--reach)) 50%}
.shot a.dot.at-right::after{top:50%;margin-top:calc(-1*var(--hb));height:calc(2*var(--hb));left:calc(-1*var(--reach));width:calc(var(--reach) + 2px);
  clip-path:polygon(0 50%,var(--head) 0,var(--head) calc(50% - 1px),100% calc(50% - 1px),100% calc(50% + 1px),var(--head) calc(50% + 1px),var(--head) 100%)}
.shot a.dot.at-left{transform:translate(calc(-100% - var(--reach)),-50%);transform-origin:calc(100% + var(--reach)) 50%}
.shot a.dot.at-left::after{top:50%;margin-top:calc(-1*var(--hb));height:calc(2*var(--hb));right:calc(-1*var(--reach));width:calc(var(--reach) + 2px);
  clip-path:polygon(100% 50%,calc(100% - var(--head)) 0,calc(100% - var(--head)) calc(50% - 1px),0 calc(50% - 1px),0 calc(50% + 1px),calc(100% - var(--head)) calc(50% + 1px),calc(100% - var(--head)) 100%)}
.shot a.dot:hover,.shot a.dot.hi,.shot a.dot:target,.shot a.dot:focus-visible{scale:1.14;background:var(--accent-2)}
.shot a.dot:focus-visible{outline:0;filter:drop-shadow(0 1px 1.5px rgba(0,0,0,.38)) drop-shadow(0 0 2px var(--on-accent)) drop-shadow(0 0 3px var(--accent-2))}
@media (max-width:640px){.shot a.dot{--d:18px;--tip:6px;--hb:5px;font-size:10px}}
ol.keys{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:4px 22px;font-size:15px}
@media (min-width:640px){.shot.ipad ol.keys{grid-template-columns:1fr 1fr}}
ol.keys li{display:flex;gap:10px;align-items:baseline;padding:4px 6px;border-radius:8px;scroll-margin-top:64px;color:var(--ink-2)}
ol.keys li.hi,ol.keys li:target{background:var(--accent-soft)}
ol.keys .n{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;background:var(--accent);color:var(--on-accent);font:700 12px/1 var(--text);text-decoration:none;transform:translateY(-1px)}
ol.keys .kl a{color:var(--ink);text-decoration-color:var(--rule)}

/* Video: a small play/pause pill, always reachable. */
.vplay{position:absolute;left:10px;bottom:10px;width:34px;height:34px;border:0;border-radius:50%;cursor:pointer;
  background:rgba(20,20,22,.62);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.vplay::before{content:'';position:absolute;inset:0;margin:auto;width:12px;height:14px;background:#fff;clip-path:polygon(0 0,100% 50%,0 100%)}
.vplay.is-playing::before{width:12px;height:13px;clip-path:polygon(0 0,35% 0,35% 100%,0 100%,0 0,65% 0,100% 0,100% 100%,65% 100%,65% 0)}

/* ---------- The end of an article ---------- */
.related{margin:clamp(36px,5vw,52px) 0 0;padding-top:24px;border-top:1px solid var(--rule)}
.related-h{margin:0 0 8px;font:650 12px/1.2 var(--text);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.related ul{list-style:none;margin:0;padding:0}
.related li{margin:6px 0;font-size:16.5px}
.related a::after{content:' →'}
.pager{display:flex;gap:12px;margin:28px 0 0}
.pager>*{flex:1;min-width:0}
.pager a{display:block;padding:14px 16px;border:1px solid var(--rule);border-radius:14px;text-decoration:none;color:var(--ink);font-weight:650;font-size:15.5px;line-height:1.3;transition:background .2s,border-color .2s}
.pager a:hover{background:var(--accent-soft);border-color:transparent}
.pager small{display:block;margin-bottom:5px;font:600 12px/1 var(--text);color:var(--muted)}
.pager .next{text-align:right}
@media (max-width:640px){.pager{flex-direction:column}.pager .next{text-align:left}.pager span:empty{display:none}}
.way-on{margin:clamp(28px,4vw,40px) 0 0;padding:22px 0 0;border-top:1px solid var(--rule);display:grid;gap:12px;justify-items:start}
.way-on p{margin:0;font-size:15.5px;color:var(--ink-2)}
.way-on .get{display:inline-block;padding:12px 24px;border-radius:999px;background:var(--accent);color:var(--on-accent);text-decoration:none;font-weight:650;font-size:16px}
.way-on .get:hover{filter:brightness(1.07)}
.way-on .still{font-size:14.5px;color:var(--muted)}

/* ---------- Landing ---------- */
.hb-land{flex:1;width:100%;max-width:1120px;margin:0 auto;padding:clamp(36px,7vw,88px) clamp(16px,2.4vw,28px) clamp(40px,6vw,72px)}
.land-hero h1{font-family:var(--display);font-weight:var(--display-w);letter-spacing:var(--track);color:var(--ink);font-size:clamp(40px,7vw,76px);line-height:1;margin:0}
.land-hero .lead{margin:18px 0 0;font-size:clamp(18px,2vw,21px);color:var(--ink-2);max-width:40ch}
.bigsearch{display:flex;align-items:center;gap:12px;width:min(640px,100%);height:58px;margin:clamp(24px,3.6vw,36px) 0 0;padding:0 14px 0 20px;
  border:1px solid var(--rule);border-radius:999px;background:var(--tile);color:var(--muted);font-size:17px;cursor:text;text-align:left;box-shadow:var(--shadow)}
.bigsearch:hover{border-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.bigsearch svg{width:20px;height:20px;flex:none;color:var(--ink-2)}
.bigsearch>span{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hb-land h2{margin:clamp(44px,6vw,72px) 0 16px;font:650 12.5px/1.2 var(--text);letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.start{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.start-card{position:relative;display:flex;flex-direction:column;height:100%;text-decoration:none;color:var(--ink);background:var(--tile);border-radius:18px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .25s var(--ease)}
.start-card:hover{transform:translateY(-2px)}
.start-card .thumb{aspect-ratio:16/10;background:var(--tile-2);overflow:hidden;display:grid;place-items:center;color:var(--muted);font-size:12px;font-weight:700;letter-spacing:.06em}
.start-card .thumb img{width:100%;height:100%;object-fit:cover;object-position:top left}
.start-card .num{position:absolute;top:10px;left:10px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:var(--on-accent);font:700 13px/1 var(--text)}
.start-card .st{display:block;padding:14px 16px 0;font-weight:700;font-size:17px;line-height:1.3}
.start-card .sd{display:block;padding:6px 16px 16px;font-size:14.5px;line-height:1.45;color:var(--ink-2)}
.chips{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-block;padding:9px 16px;border-radius:999px;border:1px solid var(--rule);background:var(--tile);color:var(--ink);text-decoration:none;font-size:15px;font-weight:600}
.chip:hover{background:var(--accent-soft);border-color:transparent;color:var(--accent)}
.secs{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.sec-card{padding:20px 20px 18px;border-radius:18px;background:var(--tile);box-shadow:var(--shadow)}
.sec-card h3{margin:0;font-family:var(--display);font-weight:var(--display-w);letter-spacing:calc(var(--track) * .55);font-size:21px;line-height:1.2;color:var(--ink)}
.sec-card p{margin:6px 0 12px;font-size:14.5px;line-height:1.45;color:var(--ink-2)}
.sec-card ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.sec-card li a{display:block;padding:9px 0;border-bottom:1px solid var(--rule);color:var(--ink);text-decoration:none;font-size:15.5px;font-weight:600}
.sec-card li a:hover{color:var(--accent)}
.sec-card .more{display:inline-block;margin-top:10px;font-size:14px;color:var(--accent);text-decoration:none;font-weight:600}
.land-way{max-width:640px}

/* ---------- Search ---------- */
.hb-search{position:fixed;inset:0;z-index:80;display:flex;justify-content:center;align-items:flex-start;padding:clamp(12px,9vh,96px) 16px 16px;background:rgba(0,0,0,.32)}
.hb-search[hidden]{display:none}
.hb-search-box{width:min(660px,100%);max-height:min(640px,calc(100dvh - 32px));display:flex;flex-direction:column;border-radius:20px;background:var(--tile);
  box-shadow:0 0 0 1px var(--rule),0 30px 80px -24px rgba(0,0,0,.5);overflow:hidden}
.hb-search-field{display:flex;align-items:center;gap:10px;padding:10px 10px 10px 18px;border-bottom:1px solid var(--rule)}
.hb-search-field svg{width:20px;height:20px;flex:none;color:var(--muted)}
.hb-search-field input{flex:1;min-width:0;height:40px;border:0;background:transparent;color:var(--ink);font:inherit;font-size:18px;outline:0;-webkit-appearance:none;appearance:none}
.hb-search-field input::placeholder{color:var(--muted)}
.hb-search-field input::-webkit-search-cancel-button{-webkit-appearance:none}
.hb-results{overflow:auto;padding:8px}
.hb-hit{display:block;padding:10px 12px;border-radius:12px;text-decoration:none;color:var(--ink)}
.hb-hit[aria-selected="true"],.hb-hit:hover{background:var(--accent-soft)}
.hb-hit b{display:block;font-size:16px;font-weight:700}
.hb-hit .c{font-size:12.5px;color:var(--muted);margin-left:6px;font-weight:600}
.hb-hit .x{display:block;margin-top:3px;font-size:14px;line-height:1.45;color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.hb-hit mark{background:color-mix(in srgb,var(--accent) 22%,transparent);color:inherit;border-radius:3px;padding:0 1px}
.hb-empty{padding:14px 12px 16px;color:var(--muted);font-size:14.5px}
.hb-empty .chips{margin:10px 0 12px}
.hb-empty .chip{font-size:14px;padding:7px 13px;cursor:pointer}
.hb-empty a{color:var(--accent)}
html.hb-locked{overflow:hidden}

@media print{.hb-top,.hb-slim,.hb-nav,.hb-toc,.foot,.consent,.way-on,.pager,.vplay{display:none!important}.hb-shell{display:block}}
.tbl td:empty{display:none}

/* Phones: every control a finger meets on its own is 40px tall (the bars, the Contents drawer, the section links, the lists of anchors). */
@media (max-width:640px),(pointer:coarse) and (max-height:500px){
  .hb-top .brand,.hb-top .store{min-height:40px}
  .hb-home{display:inline-flex;align-items:center;min-height:40px}
  .hb-slim button{height:40px}
  .hb-x{width:40px;height:40px}
  .hb-navsearch{height:40px}
  .hb-sec summary{padding-block:13px}
  .hb-sec a{padding-block:10px}
  .sec-card .more{padding:9px 0;margin-top:1px}
  .toc-inline li a{display:inline-block;padding:8px 0}
  .vplay::after{content:'';position:absolute;inset:-4px}
  .way-on .still a{display:inline-block;padding:11px 0}
}

/* ---------- Learn: the same pages, plus a picture under the lead, the App Store box inside the text, and a hub ---------- */
.learn-hero{margin:clamp(20px,3vw,28px) 0 0}
.learn-hero img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:16px;background:var(--tile-2)}
.way-on.learn-app{margin:1.8em 0;padding:20px 22px;border:0;border-radius:16px;background:var(--accent-soft)}
.learn-hub .start-card .thumb img{object-position:center}
.learn-hub .land-hero .lead{max-width:52ch}
.grp-blurb{margin:-6px 0 16px;font-size:15.5px;line-height:1.5;color:var(--ink-2);max-width:60ch}
.learn-libs .lib-card{display:block;height:100%;text-decoration:none;transition:transform .25s var(--ease)}
.learn-libs .lib-card:hover{transform:translateY(-2px)}
.learn-libs .lib-card .more{margin-top:0}
@media (prefers-reduced-motion:reduce){.learn-libs .lib-card,.learn-hub .start-card{transition:none}}

/* ---------- Learn hub: "Where are you starting from?" ---------- */
.hb-land .land-routes{margin-top:clamp(28px,4vw,44px)}
.hb-land .land-routes h2{margin:0 0 16px;font-family:var(--display);font-weight:var(--display-w);letter-spacing:calc(var(--track) * .55);font-size:clamp(24px,3vw,32px);line-height:1.15;text-transform:none;color:var(--ink)}
.routes{list-style:none;margin:0;padding:0;display:grid;gap:14px;grid-template-columns:1fr}
@media (min-width:760px){.routes{grid-template-columns:repeat(2,1fr)}}
.route-card p{margin-bottom:10px}
.route-card ol{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule);counter-reset:route}
.route-card ol li{counter-increment:route}
.route-card ol li a{display:flex;align-items:baseline;gap:12px}
.route-card ol li a::before{content:counter(route);flex:none;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent);font:700 13px/1 var(--text);transform:translateY(5px)}