/* Antz Design site chrome. Neutral greys only; Antz colours appear only inside Antz components and swatches. */
:root{--ink:#161616;--muted:#6B6B6B;--line:#E6E6E6;--stage:#F4F4F4;--hl:#EDEDED;--side:#FAFAFA}
*{box-sizing:border-box}
html{scroll-padding-top:72px}
body{margin:0;background:#fff;color:var(--ink);font:400 15px/1.55 var(--font);-webkit-font-smoothing:antialiased}
a{color:inherit}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border:1px solid var(--line);border-radius:8px;z-index:20}
.skip:focus{left:8px}
.app{display:grid;grid-template-columns:260px minmax(0,1fr);min-height:100vh}

/* side menu */
aside{position:sticky;top:0;height:100vh;overflow:auto;border-right:1px solid var(--line);padding:20px 16px 40px;background:var(--side)}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 16px;text-decoration:none}
.brand b{font:600 16px var(--font)}
.brand span{font-size:12px;color:var(--muted)}
.search{position:relative;display:flex;align-items:center;gap:8px;height:40px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 10px;margin-bottom:18px}
.search:focus-within{border-color:#9E9E9E}
.search input{border:0;outline:0;font:400 14px var(--font);flex:1;min-width:0;background:transparent;color:var(--ink)}
.search kbd{font:500 11px var(--font);color:var(--muted);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
.results{display:none;margin:-10px 0 14px;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}
.results.on{display:block}
.results a{display:block;padding:8px 10px;text-decoration:none;font-size:13.5px;border-bottom:1px solid var(--line)}
.results a:last-child{border-bottom:0}
.results a small{display:block;color:var(--muted);font-size:12px}
.results a:hover,.results a:focus{background:var(--hl);outline:0}
.results .none{padding:10px;font-size:13px;color:var(--muted)}
.nav h6{margin:18px 8px 6px;font:600 12px var(--font);color:var(--muted)}
.nav a{display:flex;justify-content:space-between;align-items:center;padding:7px 8px;border-radius:6px;text-decoration:none;font-size:14px;color:#3A3A3A}
.nav a:hover{background:#F0F0F0}
.nav a[aria-current="page"]{background:var(--hl);color:var(--ink);font-weight:600}
.nav a .st{font-size:11px;color:#8A8A8A;font-weight:400}

/* top bar */
main{min-width:0}
.top{position:sticky;top:0;z-index:5;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);padding:12px 40px;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);min-height:58px}
.top b{color:var(--ink);font-weight:500}
.top a{text-decoration:none}.top a:hover{color:var(--ink)}
.top .sp{flex:1}
.btn{display:inline-flex;align-items:center;gap:6px;height:34px;padding:0 12px;border:1px solid var(--line);border-radius:8px;background:#fff;font:500 13px var(--font);color:var(--ink);text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#BDBDBD}

/* page */
.doc{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:24px;max-width:1300px}
.wrap{max-width:1040px;padding:36px 40px 120px;min-width:0}
.toc{position:sticky;top:72px;align-self:start;padding:36px 16px 0 0;display:flex;flex-direction:column;gap:6px;font-size:13px}
.toc b{font:600 12px var(--font);color:var(--muted);margin-bottom:4px}
.toc a{text-decoration:none;color:var(--muted);border-left:2px solid transparent;padding-left:8px;margin-left:-10px}
.toc a:hover,.toc a.on{color:var(--ink)}.toc a.on{border-color:var(--ink)}
h1{font:600 34px/1.15 var(--font);letter-spacing:-.02em;margin:0}
.phead{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.status{font:600 12px var(--font);padding:3px 8px;border-radius:999px;background:#EDEDED;color:#333}
.status.partial{background:#fff;border:1px dashed #9E9E9E}
.lede{font-size:17px;color:var(--muted);margin:0 0 12px;max-width:62ch}
.meta-row{display:flex;gap:20px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:0 0 20px}
.meta-row b{color:var(--ink);font-weight:500}
h2{font:600 20px var(--font);margin:44px 0 12px;letter-spacing:-.01em}
h3{font:600 15px var(--font);margin:24px 0 8px}
p,li{max-width:70ch}
ul{padding-left:20px}li{margin:4px 0}
.small{font-size:13px;color:var(--muted)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:8px 0 0;overflow-x:auto}
.tabs button{all:unset;cursor:pointer;padding:10px 14px;font:500 14px var(--font);color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tabs button:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
.tabs button[aria-selected="true"]{color:var(--ink);border-color:var(--ink)}

/* preview */
.preview{border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:20px}
.pv-bar{display:flex;flex-wrap:wrap;gap:8px 10px;align-items:center;padding:10px 12px;border-bottom:1px solid var(--line);background:#fff}
.pv-l{font:500 12px var(--font);color:var(--muted)}
.seg{display:inline-flex;flex-wrap:wrap;background:#EFEFEF;border-radius:8px;padding:3px}
.seg button{all:unset;cursor:pointer;padding:5px 10px;border-radius:6px;font:500 12.5px var(--font);color:#555}
.seg button:focus-visible{outline:2px solid var(--ink)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.seg button.tmp::after{content:"";display:inline-block;width:6px;height:6px;border:1px dashed #8A8A8A;border-radius:50%;margin-left:6px;vertical-align:1px}
.pv-stage{background:var(--stage);padding:40px 24px;display:flex;justify-content:center;align-items:center;min-height:240px;overflow:auto}
.frame{width:390px;max-width:100%;background:#fff;border-radius:12px;padding:16px;position:relative}
.frame.tab{width:600px;padding:20px}
.frame.bare{background:transparent;padding:0}
.note{font-size:12px;color:#444;background:#EDEDED;border-radius:6px;padding:2px 8px;margin-right:6px}

/* tables */
.tbl{border:1px solid var(--line);border-radius:10px;overflow:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:middle}
th{font:600 12.5px var(--font);color:var(--muted)}
tr:last-child td{border-bottom:0}
.copy{all:unset;cursor:pointer;font:500 13px var(--font);padding:3px 8px;margin:-3px -8px;border-radius:6px;display:inline-flex;align-items:center;gap:6px}
.copy:hover,.copy:focus-visible{background:#F0F0F0}
.copy .sw{width:16px;height:16px;border-radius:4px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.1);flex:none}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:8px;vertical-align:1px;background:#161616}
.dot.gap{background:transparent;border:1.5px dashed #8A8A8A;width:7px;height:7px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);opacity:0;background:#161616;color:#fff;font-size:13px;padding:8px 14px;border-radius:8px;transition:.2s;pointer-events:none}
.toast.on{opacity:1;transform:translateX(-50%)}

/* anatomy */
.anat{display:grid;grid-template-columns:minmax(0,1fr) 300px;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.anat .draw{background:var(--stage);padding:48px 56px;display:flex;justify-content:center;align-items:center}
.anat .draw > div{position:relative;width:100%;max-width:400px}
.anat ol{margin:0;padding:24px 24px 24px 44px;display:grid;gap:10px;font-size:14px;align-content:start}
.pin{position:absolute;width:22px;height:22px;border-radius:50%;background:var(--ink);color:#fff;font:600 12px/22px var(--font);text-align:center;z-index:2;pointer-events:none}

/* do dont */
.dd{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.dd > div{border:1px solid var(--line);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.dd .stage{background:var(--stage);padding:28px;display:flex;justify-content:center;align-items:center;flex:1}
.dd .stage > *{max-width:100%}
.dd .cap{padding:12px 16px;font-size:14px;border-top:3px solid var(--ink)}
.dd .dont .cap{border-top-style:dashed;border-color:#9E9E9E}
.dd .cap b{display:block;font-weight:600;margin-bottom:2px}
.dd .cap b::before{font-family:var(--icon-font);font-weight:400;font-size:18px;vertical-align:-4px;margin-right:6px}
.dd .do .cap b::before{content:"check_circle"}.dd .dont .cap b::before{content:"cancel"}

/* cards and links */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.qcard{border:1px solid var(--line);border-radius:12px;padding:18px;text-decoration:none;display:flex;flex-direction:column;gap:10px}
a.qcard:hover{border-color:#BDBDBD}
.qcard .ill{height:72px;border-radius:8px;background:var(--stage);display:flex;align-items:center;justify-content:center;gap:6px;overflow:hidden;padding:0 12px}
.qcard b{font:600 15px var(--font)}
.qcard span{font-size:13.5px;color:var(--muted)}
.rel{display:flex;gap:8px;flex-wrap:wrap}
.rel a{border:1px solid var(--line);border-radius:8px;padding:8px 12px;text-decoration:none;font-size:14px}
.rel a:hover{border-color:#BDBDBD}
.hero{border-radius:16px;overflow:hidden;background:#1E1E1E;color:#fff;position:relative;min-height:240px;padding:40px}
.hero img{position:absolute;right:-40px;bottom:-60px;width:440px;opacity:.85;pointer-events:none}
.hero h1{color:#fff;font-size:42px;position:relative}
.hero p{color:#CFCFCF;margin:12px 0 0;max-width:34ch;position:relative;font-size:16px}

/* foundations */
.swatches{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.swc{all:unset;cursor:pointer;border:1px solid var(--line);border-radius:12px;overflow:hidden;display:block}
.swc:hover,.swc:focus-visible{border-color:#9E9E9E}
.swc .chip{height:96px}
.swc .meta{padding:12px 14px;display:grid;gap:2px}
.swc b{font-weight:600}
.swc small{color:var(--muted);font-size:13px}
.pairs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.pair{border-radius:10px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:8px;font:500 15px var(--font)}
.pair small{font:600 12px var(--font);padding:2px 6px;border-radius:4px;background:rgba(255,255,255,.9);color:#161616;white-space:nowrap}
.ladder{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.ladder > div{display:grid;grid-template-columns:140px minmax(0,1fr) 220px;gap:16px;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.ladder > div:last-child{border-bottom:0}
.ladder .m{font:500 13px var(--font)}
.ladder .u{font-size:13px;color:var(--muted)}
.ladder .s{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:#44544A}
.icons{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:8px}
.icons button{all:unset;cursor:pointer;border:1px solid var(--line);border-radius:10px;padding:14px 6px;display:grid;justify-items:center;gap:8px;color:#44544A}
.icons button:hover,.icons button:focus-visible{border-color:#9E9E9E}
.icons small{font:500 11px var(--font);color:var(--muted);text-align:center;word-break:break-all}
.shape{display:flex;gap:18px;flex-wrap:wrap;align-items:flex-end}
.shape > div{display:grid;justify-items:center;gap:8px;font-size:13px;color:var(--muted)}
.box{width:84px;height:84px;background:#fff;border:1px solid var(--line)}
.stagebox{background:var(--stage);border-radius:12px;padding:28px}
.space-row{display:flex;align-items:center;gap:12px;font-size:13px;margin:6px 0}
.space-row i{display:block;height:16px;background:#BDBDBD;border-radius:2px}

/* layouts */
.pat{display:grid;grid-template-columns:330px minmax(0,1fr);gap:28px;align-items:start}
.phone{width:312px;height:675px;border-radius:32px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.1),0 20px 40px -20px rgba(0,0,0,.25);position:relative;background:#fff}
.phone > .az-screen{transform:scale(.8);transform-origin:0 0;height:844px}
.tabletf{width:100%;max-width:560px;aspect-ratio:834/1194;border-radius:28px;overflow:hidden;box-shadow:0 0 0 1px rgba(0,0,0,.1),0 20px 40px -20px rgba(0,0,0,.25);position:relative;background:#fff}
.n{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:#161616;color:#fff;font:600 12px var(--font)}
.foot{border-top:1px solid var(--line);margin-top:64px;padding-top:16px;display:flex;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.foot a{text-decoration:none}

@media (max-width:1180px){.doc{grid-template-columns:1fr}.toc{display:none}}
@media (max-width:900px){.app{grid-template-columns:1fr}aside{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line)}.nav{display:none}.nav.open{display:block}.menu-btn{display:inline-flex!important}.wrap{padding:24px 16px 80px}.top{padding:12px 16px}.cards,.swatches,.pairs{grid-template-columns:1fr 1fr}.anat,.dd,.pat{grid-template-columns:1fr}.ladder > div{grid-template-columns:1fr}}
.menu-btn{display:none}
@media (prefers-reduced-motion:reduce){.toast{transition:none}}