:root{--p:#0b5cff;--p2:#00b4d8;--ink:#0f172a;--mut:#64748b;--bg:#f5f8fc;--card:#fff;--line:#e2e8f0;--r:16px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans Arabic",Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.55}
a{color:var(--p);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
.top-in{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:20px;color:var(--ink)}.brand:hover{text-decoration:none}.brand b{color:var(--p)}
.nav{display:flex;align-items:center;gap:18px;font-weight:500}.nav>a{color:var(--ink)}
.uilang{position:relative}.uilang summary{cursor:pointer;list-style:none;padding:6px 12px;border:1px solid var(--line);border-radius:999px;font-size:14px}
.uilang summary::-webkit-details-marker{display:none}
.uilang div{position:absolute;inset-inline-end:0;top:40px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px #0f172a1a;min-width:150px;padding:6px;display:flex;flex-direction:column}
.uilang div a{padding:8px 12px;border-radius:8px;color:var(--ink)}.uilang div a:hover{background:var(--bg);text-decoration:none}
.hero{background:linear-gradient(135deg,var(--p) 0%,#1e40af 55%,var(--p2) 100%);color:#fff;padding:38px 0 90px;text-align:center}
.hero.sm{padding:34px 0 40px}.hero h1{margin:0 0 8px;font-size:clamp(26px,4.2vw,42px);line-height:1.2}
.lead{margin:0 auto;max-width:720px;opacity:.92;font-size:17px}.hero a{color:#fff;text-decoration:underline}
.crumbs{font-size:13px;opacity:.85;margin-bottom:10px}.crumbs a{color:#fff}
.tr{background:var(--card);border-radius:var(--r);box-shadow:0 18px 50px #0f172a1f;margin-top:-62px;position:relative;overflow:hidden}
.tr-bar{display:grid;grid-template-columns:1fr auto 1fr;gap:8px;padding:12px;border-bottom:1px solid var(--line);align-items:center}
.tr-bar select{width:100%;padding:11px 12px;font-size:15px;font-weight:600;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)}
.ib{border:0;background:transparent;width:38px;height:38px;border-radius:50%;cursor:pointer;font-size:17px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink)}
.ib:hover{background:var(--bg)}#swap{background:var(--bg);font-size:20px}#swap:hover{background:#dbe6ff}
.ib.on{background:#fee2e2;animation:pulse 1s infinite}@keyframes pulse{50%{transform:scale(1.1)}}
.tr-panes{display:grid;grid-template-columns:1fr 1fr}
.pane{display:flex;flex-direction:column;min-height:240px}.pane.out{background:#f8fafc;border-inline-start:1px solid var(--line)}
textarea{flex:1;border:0;resize:none;padding:18px;font:inherit;font-size:21px;outline:0;min-height:190px;background:transparent;color:var(--ink)}
.dst{flex:1;padding:18px;font-size:21px;white-space:pre-wrap;word-wrap:break-word;min-height:190px}
.dst.empty::before{content:attr(data-ph);color:#94a3b8}.dst.busy{opacity:.55}
.translit{padding:0 18px;color:var(--mut);font-size:14px}
.pane-foot{display:flex;justify-content:space-between;align-items:center;padding:6px 10px;gap:8px}
.tools{display:flex;align-items:center;gap:2px}.tools small{color:var(--mut);margin-inline-start:6px;font-size:12px}
.det{font-size:13px;color:var(--p);font-weight:600}
.dict,.hist{border-top:1px solid var(--line);padding:14px 18px}.dict h3,.hist h3{margin:0 0 8px;font-size:15px}
.dpos{margin:4px 0}.dpos b{display:inline-block;min-width:90px;color:var(--mut);font-weight:600;text-transform:capitalize}
.hist-h{display:flex;justify-content:space-between;align-items:center}.lnk{background:none;border:0;color:var(--p);cursor:pointer}
.hist ul{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.hist li{border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer;font-size:14px}.hist li:hover{border-color:var(--p)}
.hist small{color:var(--mut);font-size:11px}.hq{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hr{color:var(--mut);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rev{text-align:center;margin:14px 0 0}.rev a{font-weight:600}
.sec{margin:44px 0}.sec h2{font-size:24px;margin:0 0 16px}
.chips{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px}
.chips a{display:block;padding:8px 14px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--ink);font-size:14px}
.chips a:hover{border-color:var(--p);color:var(--p);text-decoration:none}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px}.card h3{margin:8px 0 6px;font-size:17px}.card p{margin:0;color:var(--mut);font-size:15px}.ic{font-size:28px}
.steps{padding-inline-start:22px}.steps li{margin:8px 0;font-size:16px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin:8px 0}.faq summary{cursor:pointer;font-weight:600}.faq p{margin:10px 0 0;color:#334155}
.phr{width:100%;border-collapse:collapse;background:#fff;border-radius:var(--r);overflow:hidden;border:1px solid var(--line)}
.phr th,.phr td{padding:11px 16px;border-bottom:1px solid var(--line);text-align:start;font-size:16px}.phr th{background:#f1f5f9;font-size:14px}
.prose{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 26px}.prose h2{margin-top:0}
.langgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.langgrid a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;color:var(--ink);display:flex;flex-direction:column}
.langgrid a:hover{border-color:var(--p);text-decoration:none}.langgrid small{color:var(--mut)}
.foot{background:#0f172a;color:#cbd5e1;margin-top:60px;padding:40px 0 20px}.foot .brand{color:#fff}
.foot-cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}.foot h4{color:#fff;margin:4px 0 10px}
.foot-cols a{display:block;color:#cbd5e1;font-size:14px;margin:5px 0}.copy{border-top:1px solid #1e293b;margin-top:26px;padding-top:16px;font-size:13px;color:#94a3b8}
@media (max-width:820px){
 .tr-panes{grid-template-columns:1fr}.pane.out{border-inline-start:0;border-top:1px solid var(--line)}
 .grid4{grid-template-columns:1fr 1fr}.foot-cols{grid-template-columns:1fr}
 textarea,.dst{font-size:18px;min-height:140px}.pane{min-height:180px}.hero{padding-bottom:80px}
}
@media (max-width:480px){.grid4{grid-template-columns:1fr}.tr-bar select{font-size:14px;padding:10px 6px}.brand{font-size:18px}.nav{gap:10px}.nav>a{display:none}}