:root{--bg:#fbfaf7;--fg:#1d1f23;--muted:#5d6370;--line:#e4e1da;--accent:#2f5bd3;--card:#ffffff}
@media (prefers-color-scheme:dark){:root{--bg:#14161a;--fg:#ebedf0;--muted:#a3a9b5;--line:#2b2f37;--accent:#86a6ff;--card:#1b1e23}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
.wrap{max-width:760px;margin:0 auto;padding:32px 16px 64px}
header{display:flex;justify-content:space-between;align-items:center;gap:16px;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:32px;flex-wrap:wrap}
header a.brand{font-weight:700;color:var(--fg);text-decoration:none;letter-spacing:-.01em}
nav a{margin-left:16px;color:var(--muted);text-decoration:none;font-size:15px}
nav a:hover,a{color:var(--accent)}
h1{font-size:32px;line-height:1.2;letter-spacing:-.02em;margin:0 0 8px}
h2{font-size:21px;margin:36px 0 8px}
h3{font-size:17px;margin:24px 0 4px}
.lead{color:var(--muted);font-size:18px;margin:0 0 24px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:20px;margin:16px 0}
code{background:var(--card);border:1px solid var(--line);border-radius:4px;padding:1px 5px;font-size:14px}
ol li,ul li{margin:4px 0}
table{border-collapse:collapse;width:100%;font-size:15px}
td,th{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
footer{margin-top:56px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.rtl{direction:rtl;text-align:right}
.rtl td,.rtl th{text-align:right}
.rtl ol,.rtl ul{padding-right:24px;padding-left:0}
.lang{margin-top:56px;padding-top:24px;border-top:1px solid var(--line)}