:root{
  --bg:#0a1a14; --surface:#10251d; --ink:#ebeee9; --muted:#9db0a6; --line:#1f3a2f;
  --gold:#e3b75a; --gold-soft:#2a2a17; --up:#55c28a; --down:#e37a72;
  --display:"Reem Kufi","IBM Plex Sans Arabic",Tahoma,sans-serif;
  --brand:"Aref Ruqaa","Reem Kufi",serif;
  --body:"IBM Plex Sans Arabic",Tahoma,"Segoe UI",sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.7}
a{color:var(--gold)}
img{max-width:100%;height:auto}
.wrap{max-width:980px;margin:0 auto;padding-inline:16px;padding-block:0 40px}
header{position:sticky;top:0;z-index:5;background:var(--surface);border-bottom:1px solid var(--line)}
.bar{max-width:980px;margin:0 auto;padding-inline:16px;padding-block:8px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.logo{font-family:var(--brand);font-size:1.7rem;font-weight:700;color:var(--gold);text-decoration:none;display:flex;align-items:center;gap:8px}
.logo img{width:40px;height:40px}
select,input{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
select:focus-visible,input:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
h1,h2,h3{font-family:var(--display);text-wrap:balance;line-height:1.35}
h1{font-size:clamp(1.6rem,4vw,2.2rem);margin:18px 0 6px}
h2{font-size:1.25rem;margin:0 0 12px}
h3{font-size:1.05rem;margin:18px 0 4px}
.eyebrow{font-size:.85rem;color:var(--muted)}
.note{font-size:.85rem;color:var(--muted);background:var(--gold-soft);border-radius:8px;padding:8px 12px;margin:14px 0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:18px}
.ccard{display:flex;flex-direction:column;gap:2px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:10px;text-decoration:none;color:var(--ink)}
.ccard:hover{border-color:var(--gold)}
.ccard b{font-family:var(--display);font-size:1.15rem}
.num{font-variant-numeric:tabular-nums;direction:ltr;unicode-bidi:isolate}
.hero{margin-top:16px;display:grid;grid-template-columns:1.1fr 1fr;gap:16px}
@media (max-width:720px){.hero{grid-template-columns:1fr}}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}
.big{font-family:var(--display);font-size:clamp(2rem,6vw,2.8rem);color:var(--gold);line-height:1.2}
table{width:100%;border-collapse:collapse}
td,th{padding:9px 4px;border-bottom:1px solid var(--line);text-align:right}
th{font-size:.85rem;color:var(--muted);font-weight:500}
td.num{text-align:left}
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:16px}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.row label{min-width:90px;color:var(--muted);font-size:.9rem}
.row input,.row select{flex:1;min-width:0}
.result{margin-top:8px;padding:10px 12px;border-radius:8px;background:var(--bg);font-weight:600}
.conv{list-style:none;margin:0;padding:0}
.conv li{display:flex;justify-content:space-between;gap:8px;padding:6px 0;border-bottom:1px dashed var(--line)}
.prose{max-width:68ch}
.content{margin-top:16px}
.btn{display:inline-block;font:inherit;background:var(--gold);color:#17120a;border:0;border-radius:8px;padding:9px 16px;font-weight:600;text-decoration:none}
footer{border-top:1px solid var(--line);margin-top:32px;padding-block:18px;font-size:.85rem;color:var(--muted)}
footer nav{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:8px}
footer a{color:var(--muted)}
nav.top{display:flex;align-items:center;gap:12px}
nav.top a{color:var(--ink);text-decoration:none;font-weight:500}
nav.top a:hover{color:var(--gold)}
.grid.art{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.prose table{margin-block:10px}
.prose li{margin-bottom:4px}