:root{--bg:#f6f7f9;--surface:#fff;--text:#14161a;--muted:#5b616b;--line:#e3e6eb;--accent:#0b6fb8;--accent-soft:#e6f2fb;--code:#eef1f5}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b0d12;--surface:#141821;--text:#eef1f6;--muted:#a3abb8;--line:#262c38;--accent:#5cc8ff;--accent-soft:#12283a;--code:#1c2230}}
:root[data-theme="dark"]{--bg:#0b0d12;--surface:#141821;--text:#eef1f6;--muted:#a3abb8;--line:#262c38;--accent:#5cc8ff;--accent-soft:#12283a;--code:#1c2230}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--surface);padding:8px 12px;z-index:9}
header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.bar{max-width:1180px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.brand{font-weight:900;letter-spacing:.08em;text-decoration:none;color:var(--text);font-size:18px}
.brand span{color:var(--accent)}
nav ul{list-style:none;display:flex;flex-wrap:wrap;gap:4px 14px;margin:0;padding:0}
nav a{text-decoration:none;color:var(--muted);font-size:15px;padding:4px 0;display:inline-block}
nav a[aria-current="page"]{color:var(--text);font-weight:700;border-bottom:2px solid var(--accent)}
main{max-width:860px;margin:0 auto;padding:32px 16px 64px}
h1{font-size:clamp(28px,4vw,38px);line-height:1.2;margin:0 0 16px}
h2{margin-top:44px;padding-top:8px;font-size:24px;line-height:1.3}h3{margin-top:28px;font-size:19px}
p,li{max-width:72ch}
code{background:var(--code);padding:1px 5px;border-radius:4px;font-size:.92em}
blockquote{margin:16px 0;padding:12px 16px;border-left:4px solid var(--accent);background:var(--accent-soft);border-radius:0 8px 8px 0}
blockquote p{margin:0}
.table{overflow-x:auto;margin:16px 0;border:1px solid var(--line);border-radius:10px;background:var(--surface)}
table{border-collapse:collapse;width:100%;font-size:15px}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
th{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}
tr:last-child td{border-bottom:0}
.support-form{display:grid;gap:8px;max-width:560px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:20px}
.support-form label{font-weight:600;margin-top:8px}
.support-form input,.support-form select,.support-form textarea{font:inherit;color:inherit;background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:10px 12px;width:100%}
.support-form button{margin-top:12px;font:inherit;font-weight:700;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:12px 18px;cursor:pointer;justify-self:start;min-height:44px}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .support-form button{color:#0b0d12}}
.support-form__note{font-size:14px;color:var(--muted);margin:4px 0 0}
@media (max-width:640px){header{position:static}}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}
footer .bar{justify-content:space-between}