:root{--gold:#f0a02a;--gold-d:#5a3300;--cream:#faecd8;--bg:#f3efe8;--line:#f0c27a;--line2:#f4e1c0;--red:#c0392b;--green:#1e8449;--ink:#222;--mute:#777;--blue-bg:#e8f0fa;--blue:#0b3c78;--pad:clamp(14px,3vw,40px);--font:'Tajawal',system-ui,-apple-system,'Segoe UI',Tahoma,Arial,sans-serif}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.7;font-style:normal}
a{color:inherit;text-decoration:none}
.top{background:var(--gold);color:var(--gold-d);text-align:center;font-size:22px;font-weight:700;padding:12px var(--pad)}
.top a{display:block}
.sub{background:var(--cream);color:var(--gold-d);text-align:center;padding:10px var(--pad);font-size:17px;display:flex;align-items:center;justify-content:center;gap:10px}
.sub h1{margin:0;font-size:inherit;font-weight:500}
.flag{width:40px;height:30px;border-radius:3px;border:1px solid #bbb;box-shadow:0 1px 2px rgba(0,0,0,.15);flex:none;display:inline-block;object-fit:cover}
.wrap{width:100%;padding:14px var(--pad)}
.ad{margin:14px auto;min-height:50px;text-align:center}
.ad.preview{border:1px dashed #aaa;background:#f3efe8;color:#666;display:flex;align-items:center;justify-content:center;border-radius:10px;font-size:14px}
.ounce{background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 14px;display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px}
.ounce .l{font-size:13px;color:var(--mute)}.ounce .v{font-size:22px;font-weight:700;color:var(--gold-d)}
.chg{font-size:13px;font-weight:700;padding:3px 9px;border-radius:8px;white-space:nowrap}
.chg.dn{color:var(--red);background:#fbe3e0}.chg.up{color:var(--green);background:#dff3e6}
.grid{display:grid;grid-template-columns:1fr 104px;gap:5px;align-items:stretch}
.side{background:var(--cream);border:1px solid var(--line);border-radius:12px;overflow:hidden;position:relative;min-height:300px}
.side nav{position:absolute;inset:0;display:flex;flex-direction:column}
.calc-card{display:grid;grid-template-columns:auto 1fr auto;grid-template-rows:auto auto;column-gap:12px;align-items:center;margin-top:12px;background:var(--gold);color:var(--gold-d);border-radius:12px;padding:10px 16px}
.calc-card svg{grid-row:1/3}.calc-card span{font-size:17px;font-weight:700;line-height:1.4}.calc-card small{font-size:12px;opacity:.85;line-height:1.4}.calc-card .go{grid-row:1/3;grid-column:3;font-size:24px}
.side a.c:first-child{border-top:0}
.side a.c{flex:1;min-height:0;display:flex;align-items:center;justify-content:space-between;gap:6px;padding:0 8px;line-height:1.2;border-top:1px solid var(--line2);font-size:14px;background:#f3efe8}
.side a.c.on{background:#fff;font-weight:700;box-shadow:inset -3px 0 0 var(--gold)}
.side .flag{width:30px;height:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
table{width:100%;border-collapse:collapse}
th{background:var(--gold);color:var(--gold-d);font-size:13px;padding:9px 4px;font-weight:700}
td{padding:6px 4px;text-align:center;border-top:1px solid var(--line2);vertical-align:middle}
td.k{background:var(--cream);color:var(--gold-d);font-weight:700;font-size:14px;width:62px}
tr.alt td:not(.k){background:#f7f4ee}
.p{font-size:15px;font-weight:700;direction:ltr;display:flex;flex-wrap:wrap;align-items:center;justify-content:center;column-gap:8px;row-gap:0;line-height:1.5}.p .v{white-space:nowrap}.p small{font-size:10px;color:#888;font-weight:400}
.d{display:inline-block;font-size:12px;font-weight:700;white-space:nowrap;padding:0 6px;border-radius:6px}.d.dn{background:#fbe3e0}.d.up{background:#dff3e6}.d.dn{color:var(--red)}.d.up{color:var(--green)}
.ft{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#888;padding:8px 10px;border-top:1px solid var(--line2)}
.bars{margin-top:14px}.bars-h{margin:0;background:var(--cream);color:var(--gold-d);font-size:16px;padding:10px 14px;text-align:center}
.skel{color:#bbb}
.box{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;margin-top:14px}
.box h2{margin:0;background:var(--gold);color:var(--gold-d);font-size:17px;padding:10px 14px}
.box a.row{display:flex;align-items:center;gap:10px;padding:11px 12px;border-top:1px solid var(--line2);font-size:15px}
.box a.row:nth-child(odd){background:#fff}.box a.row:nth-child(even){background:#f7f4ee}
.box a.row .n{flex:none;width:30px;text-align:center;background:var(--cream);color:var(--gold-d);border-radius:6px;font-weight:700}
.box a.row .t{flex:1}.box a.row .ar{color:#999}
.art{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:6px}
.art h1{font-size:24px;line-height:1.5;margin:0 0 6px;color:var(--gold-d)}
.art .meta{font-size:12px;color:var(--mute);margin-bottom:12px}
.art h2{font-size:19px;margin:20px 0 6px;color:var(--gold-d)}.art p{margin:0 0 12px}
.crumb{font-size:13px;color:var(--mute);padding:8px var(--pad) 0}.crumb a{color:var(--gold-d)}
details{border:1px solid var(--line2);border-radius:10px;margin:8px 0;background:#fff}
summary{cursor:pointer;padding:11px 12px;font-weight:700;color:var(--gold-d);list-style:none}
summary::-webkit-details-marker{display:none}summary:after{content:"‹";float:left;color:#999}
details[open] summary:after{content:"⌄"}details>div{padding:0 12px 12px}
.calc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;margin-top:6px}
.calc label{display:block;font-weight:700;margin:12px 0 4px;color:var(--gold-d)}
.calc select,.calc input{width:100%;font:inherit;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff}
.calc .res{margin-top:16px;background:var(--cream);border-radius:10px;padding:12px;line-height:2}
.calc .res b{color:var(--gold-d)}
.foot{margin-top:18px;background:#fff;border-top:1px solid var(--line);padding:16px var(--pad);text-align:center;font-size:14px;color:var(--mute)}
.foot nav{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:6px}.foot a{color:var(--gold-d);font-weight:500}
@media(min-width:700px){.grid{grid-template-columns:1fr 160px}.p{font-size:18px}.d{font-size:13px}th{font-size:15px}td.k{font-size:16px;width:90px}.side a.c{font-size:16px}.art{padding:28px 32px}.art h1{font-size:30px}.top{font-size:26px}}
.art .calc{border:0;padding:0;margin-top:0}
.art h3{font-size:16px;margin:16px 0 4px;color:#7a4a0a}.art ul{margin:0 0 12px;padding-inline-start:22px}.art li{margin-bottom:4px}
.formula{background:var(--cream);border-radius:10px;padding:10px 12px;text-align:center;font-weight:700;color:var(--gold-d)}

.grid>.card{display:flex;flex-direction:column}.grid>.card table{flex:1}
.art .tbl{border:1px solid var(--line);border-radius:10px;overflow:hidden;margin:0 0 12px}.art .tbl td{text-align:center}