*{box-sizing:border-box}:root{color-scheme:light dark;--paper:#fafafa;--ink:#292929;--muted:#686868;--line:#dddddd;--field:#fff;--soft:#f1f1f1;--accent:#315e87}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}a{color:var(--accent);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}button,input,select{font:inherit}button,a,summary{touch-action:manipulation}:focus-visible{outline:2px solid #9c5b25;outline-offset:4px}[hidden]{display:none!important}.skip{position:absolute;top:-100px;left:20px;padding:10px;background:var(--field);z-index:5}.skip:focus{top:10px}
header,main,footer{max-width:1060px;margin:auto;padding-left:32px;padding-right:32px}header{min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid var(--line)}.brand{font-size:23px;font-weight:650;text-decoration:none;white-space:nowrap;color:var(--ink);letter-spacing:-.5px}nav{display:flex;gap:25px;font-size:14px}nav a{text-decoration:none;color:var(--muted)}nav a:hover{text-decoration:underline;color:var(--ink)}
h1,h2,h3{line-height:1.25;font-weight:620;letter-spacing:-.6px;margin:0 0 18px}h1{font-size:39px}h2{font-size:25px}h3{font-size:23px}p{margin:0 0 18px}.intro,.lede{font-size:18px;color:var(--muted);max-width:700px;line-height:1.65}.start{max-width:760px;padding:48px 0 40px}.start h1{margin-bottom:12px}.start .intro{margin-bottom:27px}.check-form label,.select-label{display:block;font-weight:600;font-size:14px;margin-bottom:8px}.input-row{display:flex;gap:10px}input{min-width:0;width:100%;flex:1;background:var(--field);color:var(--ink);border:1px solid #aaaaaa;border-radius:4px;padding:11px 13px}button,.button{border:1px solid #303030;border-radius:4px;padding:11px 17px;background:#303030;color:#fff;cursor:pointer;text-decoration:none;font-size:15px;font-weight:550;display:inline-flex;align-items:center;justify-content:center;gap:10px}button:hover,.button:hover{background:#484848;color:#fff}button:disabled{opacity:.6;cursor:wait}.input-row button{white-space:nowrap}.muted{font-size:14px;color:var(--muted)}.check-form .muted{font-size:13px;margin:9px 0 0}
.referrer-suggestion{display:flex;align-items:baseline;gap:14px;border-left:2px solid #aaaaaa;padding:8px 0 8px 14px;margin:0 0 22px;font-size:15px}.referrer-suggestion a{overflow-wrap:anywhere}.referrer-suggestion button{background:none;border:0;color:var(--muted);padding:2px 4px;font-size:12px;text-decoration:underline;font-weight:400}.referrer-suggestion button:hover{color:var(--ink)}
.guide-section{padding:30px 0 36px;border-top:1px solid var(--line)}.guide-section h2{margin-bottom:6px}.guide-section>p{margin-bottom:20px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:42px}.guide-grid>a{display:flex;align-items:baseline;justify-content:space-between;gap:18px;border-bottom:1px solid var(--line);padding:14px 0;text-decoration:none;font-size:17px}.guide-grid>a:hover span{text-decoration:underline}.guide-grid small{font-size:12px;color:var(--muted);text-align:right}.guide-grid .suggested span{font-weight:650}.guide-grid .suggested span:after{content:' · suggested';font-size:11px;color:var(--muted);font-weight:400}.explain{border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 2fr;gap:40px;padding:32px 0 28px}.explain p{font-size:15px;color:var(--muted)}
footer{border-top:1px solid var(--line);padding-top:22px;padding-bottom:28px;display:flex;align-items:baseline;justify-content:space-between;gap:24px;font-size:12px;color:var(--muted)}footer .brand{font-size:15px;letter-spacing:0}footer p{margin:0}footer>div{display:flex;gap:20px}.reading{max-width:730px;margin:45px auto 70px}.reading h2{margin-top:34px}.reading p,.reading li{color:var(--muted)}.reading li+li{margin-top:12px}.reading strong{color:var(--ink)}.eyebrow{font-size:13px;color:var(--muted);margin:0 0 13px;line-height:1.5}.page-eyebrow{margin-top:40px}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.section-heading>p{font-size:13px;max-width:300px}.back{display:block;font-size:13px;margin:24px 0 32px;text-decoration:none}.back+.reading{margin-top:0}
.steps{counter-reset:step;list-style:none;padding:0;margin:27px 0}.steps li{counter-increment:step;display:grid;grid-template-columns:30px 1fr;gap:13px;margin:0 0 22px}.steps li:before{content:counter(step)'.';font-weight:650;color:var(--accent)}.steps p{margin:0}.note{background:var(--soft);border-left:2px solid #aaaaaa;padding:17px 20px;font-size:14px}.note p{margin:5px 0 0}.source{font-size:12px;margin-top:20px}details{border-top:1px solid var(--line);padding:16px 0}details:last-of-type{border-bottom:1px solid var(--line)}summary{font-size:15px;font-weight:550;cursor:pointer}details p{font-size:14px;margin:12px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);border:1px solid var(--line);border-radius:4px;padding:17px;font-size:13px}code{font-size:.88em}hr{border:0;border-top:1px solid var(--line);margin:35px 0}
.app-heading{padding:0 0 25px;border-bottom:1px solid var(--line)}.app-identity{display:flex;align-items:center;gap:20px}.app-identity h1{font-size:36px;margin:0;overflow-wrap:anywhere}.app-identity .eyebrow{margin:0 0 5px}.app-icon{width:64px;height:64px;border-radius:10px;object-fit:contain;flex:none}.fallback{display:grid;place-items:center;background:var(--soft);color:var(--accent);font-size:37px}.publisher-address{font-size:13px;color:var(--muted);overflow-wrap:anywhere;margin:14px 0}.publisher-description{max-width:700px;font-size:17px;margin-bottom:3px}.caption{font-size:11px;margin-top:4px}.actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:22px 0 12px}.secondary{background:transparent;color:var(--accent);border-color:#aaaaaa}.secondary:hover{background:var(--soft);color:var(--ink)}.copy-status{font-size:12px}.app-columns{display:grid;grid-template-columns:1.2fr 1fr;gap:55px;padding:34px 0}.app-columns h2{font-size:25px}.app-columns h3{font-size:24px}.app-columns .lede{font-size:16px}.app-columns .instructions{margin-top:25px}.app-columns .instructions .eyebrow{display:none}select{width:100%;padding:10px 35px 10px 12px;background:var(--field);color:var(--ink);border:1px solid #aaaaaa;border-radius:4px}.check-panel{align-self:start;border:1px solid var(--line);padding:23px;border-radius:4px;font-size:14px}.check-panel .eyebrow{font-size:12px}.check-panel h2{font-size:23px}.checks{list-style:none;padding:0}.checks>li{display:grid;grid-template-columns:18px 1fr;gap:10px;border-top:1px solid var(--line);padding:13px 0}.checks strong{font-size:13px}.checks p{font-size:12px;color:var(--muted);line-height:1.6;margin:4px 0 0}.check-symbol{font-size:13px;font-weight:650;color:var(--muted)}.check-symbol.pass{color:var(--accent)}.check-symbol.warn{color:#936121}dt{font-size:12px;font-weight:650;margin-top:12px}dd{font-size:12px;overflow-wrap:anywhere;margin:2px 0}.support-section{display:grid;grid-template-columns:1fr 1fr;gap:55px;border-top:1px solid var(--line);padding:32px 0 55px}.support-section h2{font-size:23px}.support-section p{font-size:14px}.support-section summary{font-size:14px}.text-link{font-weight:550}
@media(max-width:780px){header,main,footer{padding-left:24px;padding-right:24px}nav{gap:17px;font-size:12px}.app-columns,.support-section{gap:30px}.guide-grid{column-gap:28px}.guide-grid>a{display:block}.guide-grid small{display:block;text-align:left;margin-top:3px}}
@media(max-width:600px){header,main,footer{padding-left:20px;padding-right:20px}header{display:block;padding-top:18px;padding-bottom:15px;min-height:0}.brand{font-size:22px}nav{justify-content:space-between;gap:10px;margin-top:13px;font-size:11px}.start{padding:32px 0}.start h1,h1{font-size:30px}.intro,.lede{font-size:16px}.input-row{flex-direction:column}.input-row button{align-self:start}.guide-section{padding:25px 0 30px}.guide-grid{grid-template-columns:1fr}.guide-grid>a{display:flex;font-size:16px;padding:13px 0}.guide-grid small{max-width:145px;text-align:right;margin:0;font-size:11px}.explain{grid-template-columns:1fr;gap:0;padding:27px 0 20px}.explain h2{font-size:23px}footer{display:block;padding-top:20px}footer p{margin:7px 0 12px}footer>div{gap:22px}.reading{margin:30px auto 45px}.reading h1{font-size:31px}.reading h2{font-size:23px}.app-identity{gap:14px}.app-identity h1{font-size:29px}.app-icon{width:52px;height:52px}.app-columns,.support-section{grid-template-columns:1fr;gap:28px;padding:28px 0}.check-panel{padding:19px}.referrer-suggestion{align-items:flex-start}.section-heading{display:block}.back{margin:20px 0 25px}}
@media(prefers-color-scheme:dark){:root{--paper:#1c1c1c;--ink:#e5e5e5;--muted:#b0b0b0;--line:#414141;--field:#242424;--soft:#292929;--accent:#a7c5ed}button,.button{background:#dddddd;border-color:#dddddd;color:#202020}button:hover,.button:hover{background:#c8c8c8;color:#202020}.secondary{background:none;color:var(--accent)}.secondary:hover{background:var(--soft);color:var(--ink)}.check-symbol.warn{color:#d4b479}}
.help-first{max-width:760px;padding-bottom:32px}.help-first>.intro{margin-bottom:24px}.platform-summary{font-size:14px;font-weight:600;margin:0 0 3px;color:var(--muted)}.platform-help>.platform-picker{border:0;padding:0 0 25px!important}.platform-picker summary{font-size:12px;font-weight:400;color:var(--muted);width:fit-content}.platform-picker[open]{border-bottom:1px solid var(--line);margin-bottom:25px}.picker-fields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:18px 0 0}.picker-fields label{display:block;font-size:13px;margin-bottom:4px}.optional-website{margin-top:28px}.optional-website summary{font-size:14px}.optional-website .check-form{margin:20px 0}.next-help{font-size:13px;margin-top:22px}.platform-help .instructions h2{font-size:25px}.platform-help .lede{font-size:16px}.platform-help .instructions{margin-top:0}.app-columns .platform-help .instructions h2{font-size:24px}.reading .platform-help h2{margin-top:0}.reading .platform-help .steps p{color:var(--ink)}@media(max-width:480px){.picker-fields{grid-template-columns:1fr}.platform-help .instructions h2{font-size:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}