/* My Assistant App Support. System fonts only, no external loads. Themes: auto (follows the device), dark, light. */
:root{--bg:#f6f6fb;--surf:#ffffff;--surf2:#eef0f8;--tx:#191a2e;--mu:#555a75;--ln:#dcdfee;--ac:#5b4ee6;--ac2:#0b8fbf;--acx:#ffffff;--chip:#ecebff;--sh:0 1px 2px rgba(20,20,40,.06),0 8px 24px rgba(20,20,40,.06);color-scheme:light}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#141428;--surf:#1c1c36;--surf2:#232345;--tx:#ecebfa;--mu:#a9a9c8;--ln:#30305a;--ac:#8b7bff;--ac2:#4fc3f7;--acx:#12122a;--chip:#26264a;--sh:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);color-scheme:dark}}
:root[data-theme="dark"]{--bg:#141428;--surf:#1c1c36;--surf2:#232345;--tx:#ecebfa;--mu:#a9a9c8;--ln:#30305a;--ac:#8b7bff;--ac2:#4fc3f7;--acx:#12122a;--chip:#26264a;--sh:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.25);color-scheme:dark}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:120px}
body{margin:0;background:var(--bg);color:var(--tx);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Arabic","Noto Sans Devanagari","Noto Sans Thai",sans-serif;overflow-wrap:anywhere}
a{color:var(--ac)}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--ac2);outline-offset:2px;border-radius:6px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.i{width:20px;height:20px;flex:none;vertical-align:-4px}
[dir="rtl"] .i use[href="#i-arrow"]{transform:scaleX(-1);transform-origin:center}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;inset-inline-start:8px;top:-60px;z-index:100;padding:10px 14px;background:var(--ac);color:var(--acx);border-radius:8px;font-weight:700;text-decoration:none}
.skip:focus{top:8px}

/* top bar */
.top{position:sticky;top:0;z-index:40;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px max(16px,env(safe-area-inset-left));background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--ln)}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;color:var(--tx);text-decoration:none;font-weight:800;letter-spacing:-.01em;min-width:0}
.brand span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand .i{width:30px;height:30px;color:var(--ac)}
.tools{display:flex;gap:6px;flex:none}
.ib{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border:1px solid var(--ln);border-radius:12px;background:var(--surf);color:var(--tx);cursor:pointer;text-decoration:none}
.ib:hover{border-color:var(--ac)}
.menu{position:absolute;top:calc(100% + 6px);inset-inline-end:12px;width:min(360px,calc(100vw - 24px));max-height:min(70vh,560px);overflow:auto;padding:10px;background:var(--surf);border:1px solid var(--ln);border-radius:14px;box-shadow:var(--sh)}
.menu input{width:100%;min-height:44px;padding:8px 12px;margin:0 0 8px;border:1px solid var(--ln);border-radius:10px;background:var(--bg);color:var(--tx);font:16px/1.3 inherit}
.langs{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.langs a{display:flex;align-items:center;justify-content:space-between;gap:8px;min-height:44px;padding:6px 10px;border-radius:8px;color:var(--tx);text-decoration:none}
.langs a:hover,.langs a:focus{background:var(--surf2)}
.langs a[aria-current]{background:var(--chip);font-weight:700}
.langs .lc{color:var(--mu);font-size:13px;text-transform:uppercase}

/* section nav */
.sections{padding:10px max(16px,env(safe-area-inset-left)) 0;max-width:1080px;margin:0 auto}
.sections ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.sections a{display:inline-flex;align-items:center;min-height:40px;padding:6px 14px;border-radius:999px;background:var(--surf);border:1px solid var(--ln);color:var(--tx);text-decoration:none;font-size:15px;font-weight:600}
.sections a[aria-current]{background:var(--ac);border-color:var(--ac);color:var(--acx)}

main{max-width:1080px;margin:0 auto;padding:20px max(16px,env(safe-area-inset-left)) 40px}
h1{font-size:clamp(30px,6vw,46px);line-height:1.15;margin:12px 0 10px;letter-spacing:-.02em}
h2{font-size:clamp(22px,3.6vw,28px);line-height:1.25;margin:34px 0 10px;letter-spacing:-.01em}
h3{font-size:19px;line-height:1.35;margin:22px 0 6px}
h2.sub{font-size:15px;text-transform:uppercase;letter-spacing:.06em;color:var(--mu);margin:0 0 8px}
p{margin:0 0 12px}
.lead{font-size:clamp(18px,2.4vw,21px);color:var(--mu);max-width:44em}
section{scroll-margin-top:120px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:10px 20px;border-radius:14px;border:1px solid var(--ln);background:var(--surf);color:var(--tx);font-weight:700;text-decoration:none}
.btn.pri{background:linear-gradient(135deg,var(--ac),var(--ac2));border:0;color:#fff}
.btn.big{min-height:56px;font-size:18px;padding:12px 26px}
.btn:hover{filter:brightness(1.06)}

/* home */
.hero{padding:18px 0 6px}
.hero h1{font-size:clamp(40px,9vw,64px)}
.chips{list-style:none;margin:10px 0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.chips li{padding:6px 12px;border-radius:999px;background:var(--chip);font-size:15px;font-weight:600}
.facts{margin:0;padding-inline-start:1.4em;display:grid;gap:6px;max-width:48em}
.cards{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{display:flex;flex-direction:column;gap:4px;height:100%;padding:18px;border-radius:16px;background:var(--surf);border:1px solid var(--ln);box-shadow:var(--sh);color:var(--tx);text-decoration:none}
.card strong{font-size:19px;color:var(--ac)}
.card span{color:var(--mu)}
.card:hover{border-color:var(--ac)}

/* features, support, faq */
.toc{margin:18px 0 6px;padding:16px;border-radius:16px;background:var(--surf);border:1px solid var(--ln)}
.toc ul{margin:0;padding:0;list-style:none;display:flex;flex-wrap:wrap;gap:6px 14px}
.toc a{display:inline-flex;min-height:36px;align-items:center;font-size:15px}
.feat,.how,.uc,.group{padding:4px 0 8px;border-bottom:1px solid var(--ln)}
.feat h2{margin-top:26px}
.kicker{margin:0 0 4px;color:var(--ac2);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.05em}
.ans{font-size:18px}
.feat ul,.how ol{margin:6px 0 10px;padding-inline-start:1.3em;color:var(--mu)}
.feat li,.how li{margin:3px 0}
.qa{padding:2px 0 4px}
.qa h3{margin:18px 0 4px}
.qa p{color:var(--mu)}
.find{position:sticky;top:64px;z-index:20;display:flex;align-items:center;gap:8px;margin:14px 0 4px;padding:6px 12px;border-radius:14px;background:var(--surf);border:1px solid var(--ln);box-shadow:var(--sh)}
.find input{flex:1;min-width:0;min-height:44px;border:0;background:transparent;color:var(--tx);font:17px/1.3 inherit}
.find input:focus{outline:none}
.find:focus-within{border-color:var(--ac)}
.msg{color:var(--mu);font-size:15px;min-height:1.2em}
[hidden]{display:none!important}

/* tables, glossary */
table{width:100%;border-collapse:collapse;margin:8px 0 14px;background:var(--surf);border-radius:14px;overflow:hidden;border:1px solid var(--ln)}
th,td{padding:12px 14px;text-align:start;vertical-align:top;border-bottom:1px solid var(--ln)}
tr:last-child th,tr:last-child td{border-bottom:0}
th{width:42%;font-weight:700}
.gl{margin:10px 0;display:grid;gap:10px}
.term{padding:14px 16px;border-radius:14px;background:var(--surf);border:1px solid var(--ln)}
.term dt{font-weight:800}
.term dd{margin:4px 0 0;color:var(--mu)}
.ucs{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:4px 24px}

/* footer */
footer{max-width:1080px;margin:0 auto;padding:24px max(16px,env(safe-area-inset-left)) calc(28px + env(safe-area-inset-bottom));border-top:1px solid var(--ln);color:var(--mu);font-size:15px}
footer ul{list-style:none;margin:12px 0;padding:0;display:flex;flex-wrap:wrap;gap:4px 16px}
footer ul a{display:inline-flex;align-items:center;min-height:44px}
.fine{margin:6px 0 0}
.totop{position:fixed;inset-inline-end:14px;bottom:calc(14px + env(safe-area-inset-bottom));z-index:30;display:inline-flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:50%;background:var(--surf);border:1px solid var(--ln);box-shadow:var(--sh);color:var(--tx);opacity:0;pointer-events:none;transition:opacity .2s}
.totop.on{opacity:1;pointer-events:auto}

/* root page */
.root main{max-width:720px;padding-top:40px}
.langlist{list-style:none;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.langlist a{display:flex;min-height:44px;align-items:center;padding:8px 12px;border-radius:10px;background:var(--surf);border:1px solid var(--ln);text-decoration:none}

@media (max-width:560px){
 body{font-size:16.5px}
 .brand span{max-width:52vw}
 th{width:46%}
 th,td{padding:10px 12px}
 .langs{grid-template-columns:1fr}
 .find{top:62px}
 .sections ul{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:6px;scroll-padding-inline:16px}
 .sections ul::-webkit-scrollbar{display:none}
 .sections li{flex:none}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
@media print{.top,.sections,footer .open,.totop,.find{display:none}}