*{box-sizing:border-box}body{margin:0;font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans Arabic",Tahoma,sans-serif;background:#f4f5f7;color:#1c1e21}
.card{max-width:760px;margin:32px auto;background:#fff;border-radius:14px;padding:28px 28px 18px;box-shadow:0 1px 4px rgba(0,0,0,.08)}
.brand{font-weight:700;letter-spacing:.04em;color:#1f3a5f;margin:0 0 8px}h1{font-size:1.5rem;margin:.2em 0 .6em}h2{font-size:1.1rem;margin:1.4em 0 .4em}
.btn{display:inline-block;background:#1877f2;color:#fff!important;text-decoration:none;font-weight:600;padding:12px 22px;border-radius:8px;border:0;font-size:1rem;cursor:pointer}
.btn:hover{background:#166fe5}.muted{color:#606770;font-size:.92rem}.warn{background:#fff8e1;border-radius:8px;padding:8px 12px}
.lang{float:right}[dir=rtl] .lang{float:left}.lang a{color:#1f3a5f}hr{border:0;border-top:1px solid #e4e6eb;margin:24px 0}
footer{margin-top:28px;font-size:.88rem;color:#606770}footer a{color:#1f3a5f}ul{padding-inline-start:1.3em}code{background:#f0f2f5;padding:1px 5px;border-radius:4px}
.tc{background:#ffe8e8;border-radius:4px;padding:0 4px;font-weight:600}[hidden]{display:none!important}