:root{--bg:#f7f1df;--card:#fffaf0;--ink:#1d2b4f;--soft:#5b6785;--accent:#2f7de1;}
@media (prefers-color-scheme:dark){:root{--bg:#15123a;--card:#221d55;--ink:#f3f0ff;--soft:#b8b3e0;--accent:#8fc1ff;}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Tahoma,sans-serif;padding:24px 16px}
main{max-width:720px;margin:0 auto;background:var(--card);border-radius:20px;padding:28px 24px;box-shadow:0 4px 0 rgba(0,0,0,.08)}
h1{font-size:26px;margin:0 0 4px}h2{font-size:19px;margin:28px 0 6px}p,li{color:var(--ink)}small,.muted{color:var(--soft)}
a{color:var(--accent)}hr{border:0;border-top:1px solid rgba(127,127,127,.25);margin:32px 0}
section[dir=rtl]{font-family:"Segoe UI",Tahoma,system-ui,sans-serif}