:root{color-scheme:light;--ink:#192b3c;--muted:#536577;--line:#dbe3e9;--paper:#fff;--wash:#f5f8fa;--accent:#17608b;--orange:#b95c18;--green:#217449;--teal:#147b83}
*{box-sizing:border-box}body{margin:0;background:var(--wash);color:var(--ink);font:16px/1.7 system-ui,-apple-system,"Segoe UI",Arial,sans-serif}
a{color:var(--accent)}.top{background:#16354d;color:#fff;padding:16px max(20px,calc((100vw - 1050px)/2))}.top a{color:#e4f2fb;text-decoration:none}.brand{font-weight:750;font-size:1.1rem}.nav{display:flex;flex-wrap:wrap;gap:9px 18px;margin-top:9px;font-size:.9rem}.nav a:hover{text-decoration:underline}
main{max-width:1050px;margin:28px auto 70px;padding:0 18px}.article{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:clamp(22px,4vw,46px);box-shadow:0 2px 14px #102c4210}
h1{font-size:clamp(1.8rem,3.5vw,2.5rem);line-height:1.2;margin:8px 0 12px}h2{font-size:1.35rem;margin:37px 0 10px;padding-bottom:7px;border-bottom:1px solid var(--line)}h3{font-size:1.05rem;margin:22px 0 5px}.eyebrow{font-size:.79rem;text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-weight:750}.lead{font-size:1.08rem;color:#344b5e}.muted,.note{color:var(--muted)}.note{font-size:.92rem}.callout{border-left:4px solid var(--accent);background:#eff7fc;padding:12px 16px;margin:20px 0;border-radius:0 6px 6px 0}.arabic{font-family:"Amiri","Noto Naskh Arabic","Scheherazade New",serif;font-size:1.7rem;direction:rtl;unicode-bidi:isolate;line-height:1.8}.example{padding:15px 18px;border:1px solid var(--line);border-radius:8px;background:#fcfdfd;margin:15px 0}.example .arabic{display:block;text-align:center;font-size:2rem}.example p{margin:6px 0}.prefix{color:var(--orange)}.stem{color:var(--teal)}.suffix{color:var(--green)}table{width:100%;border-collapse:collapse;margin:16px 0;font-size:.96rem}th,td{border-bottom:1px solid var(--line);padding:10px;text-align:left;vertical-align:top}th{background:#f0f5f8}.tablewrap{overflow-x:auto}ol,ul{padding-left:1.4rem}li{margin:6px 0}code{background:#eef3f6;border-radius:4px;padding:2px 5px;font-size:.92em}.steps{counter-reset:step;list-style:none;padding:0}.steps li{counter-increment:step;position:relative;padding:10px 10px 10px 48px;border-left:2px solid #c6dbe8;margin:0 0 0 14px}.steps li:before{content:counter(step);position:absolute;left:-16px;top:9px;width:30px;height:30px;display:grid;place-items:center;border-radius:50%;background:#d9ebf5;color:#164765;font-weight:700}.footer{margin-top:40px;padding-top:15px;border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}
@media(max-width:600px){.article{padding:20px 16px}th,td{padding:8px}.arabic{font-size:1.45rem}}