:root{
  --ink:#10243a; --ink-2:#3a4f66; --muted:#6b7d90; --line:#e3e9f0; --bg:#f5f7fa; --card:#ffffff;
  --navy:#0f2a43; --teal:#0e8f8a; --teal-2:#12b3ab; --teal-soft:#e3f5f4; --amber:#e9a23b; --amber-soft:#fdf3e2;
  --red:#c0392b; --red-soft:#fdecea; --blue-soft:#eaf2fb; --radius:14px; --shadow:0 1px 2px rgba(16,36,58,.05),0 8px 24px rgba(16,36,58,.06);
  --font:'IBM Plex Sans Arabic',system-ui,sans-serif; --head:'Noto Kufi Arabic','IBM Plex Sans Arabic',sans-serif;
}
@media (prefers-color-scheme:dark){:root{--ink:#e7eef6;--ink-2:#b9c7d6;--muted:#8fa1b3;--line:#22364b;--bg:#0b1724;--card:#112233;--teal-soft:#0f3534;--amber-soft:#3a2c14;--red-soft:#3b1a17;--blue-soft:#13283d;--shadow:0 1px 2px rgba(0,0,0,.3)}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.85;font-size:17px;-webkit-font-smoothing:antialiased}
a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:var(--head);line-height:1.5;margin:0 0 .5em}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}.narrow{max-width:820px}
.skip{position:absolute;right:-999px}.skip:focus{right:16px;top:8px;background:var(--card);padding:8px;z-index:99}
.muted{color:var(--muted)}.small{font-size:.85em}.center{text-align:center}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;background:var(--teal);color:#fff;border:0;border-radius:10px;padding:10px 20px;font:600 16px var(--font);cursor:pointer;text-decoration:none;transition:.15s}
.btn:hover{background:#0b7a76;text-decoration:none}.btn.ghost{background:transparent;color:var(--teal);box-shadow:inset 0 0 0 1.5px var(--teal)}.btn.ghost:hover{background:var(--teal-soft)}
.btn.danger{background:var(--red)}.btn.block{width:100%}.btn.small{padding:6px 12px;font-size:14px}.btn:disabled{opacity:.6;cursor:wait}
button.link{background:none;border:0;color:var(--teal);cursor:pointer;font:inherit;padding:0 4px}button.link.danger{color:var(--red)}
/* top bar */
.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:20}
.topbar-in{display:flex;align-items:center;gap:20px;min-height:66px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none!important}.brand span{display:flex;flex-direction:column;line-height:1.3}
.brand b{font-family:var(--head);font-size:20px}.brand small{font-size:12px;opacity:.75;max-width:260px}
.mainnav{display:flex;align-items:center;gap:4px;margin-inline-start:auto;flex-wrap:wrap}
.mainnav>a{color:#d6e2ee;padding:6px 12px;border-radius:8px;font-weight:500}.mainnav>a:hover,.mainnav>a.on{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.mainnav .pill{background:var(--teal);color:#fff}.mainnav .pill.ghost{background:rgba(255,255,255,.12)}
.nav-search input{background:rgba(255,255,255,.1);border:0;color:#fff;border-radius:8px;padding:7px 12px;width:190px;font:15px var(--font)}.nav-search input::placeholder{color:#a9bccf}
.menu-btn{display:none;background:none;border:0;margin-inline-start:auto;cursor:pointer;padding:8px}.menu-btn span{display:block;width:24px;height:2px;background:#fff;margin:5px 0}
@media(max-width:960px){.menu-btn{display:block}.mainnav{display:none;position:absolute;top:66px;inset-inline:0;background:var(--navy);flex-direction:column;align-items:stretch;padding:12px 16px 18px}.nav-open .mainnav{display:flex}.nav-search input{width:100%}.brand small{display:none}}
.flash{background:var(--teal-soft);border-radius:10px;padding:10px 16px;margin:16px 0}
.alert{background:var(--amber-soft);border-inline-start:4px solid var(--amber);padding:12px 16px;border-radius:10px;margin-bottom:16px}
.error{background:var(--red-soft);color:var(--red);padding:8px 12px;border-radius:8px}
main{min-height:60vh;padding-bottom:48px}
/* hero */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#13406a 60%,#0e6f78 100%);color:#fff;overflow:hidden}
.hero-in{display:grid;grid-template-columns:1.3fr 1fr;gap:40px;align-items:center;padding-top:64px;padding-bottom:72px}
.hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:16px}.hero .lead{color:#d3e1ee;font-size:18px}
.eyebrow{color:var(--amber);font-weight:600;margin:0 0 8px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.hero .btn.ghost{color:#fff;box-shadow:inset 0 0 0 1.5px rgba(255,255,255,.6)}.hero .btn.ghost:hover{background:rgba(255,255,255,.1)}
.hero-art{position:relative;height:280px}.orb{position:absolute;border-radius:50%;filter:blur(2px)}
.o1{width:220px;height:220px;background:radial-gradient(circle at 30% 30%,var(--teal-2),transparent 70%);top:10px;left:40px}
.o2{width:160px;height:160px;background:radial-gradient(circle at 30% 30%,var(--amber),transparent 70%);bottom:0;left:200px;opacity:.7}
.hero-card{position:absolute;inset:60px 30px auto auto;display:flex;flex-direction:column;gap:10px}
.hero-card span{background:rgba(255,255,255,.12);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.2);border-radius:12px;padding:10px 22px;font-weight:600;direction:ltr;text-align:left}
.hero-card span:nth-child(2){margin-inline-end:40px}.hero-card span:nth-child(3){margin-inline-end:80px}
@media(max-width:820px){.hero-in{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px}.hero-art{display:none}}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;margin:48px 0 16px}.sec-head h2{font-size:26px;margin:0}
.page-title{font-size:30px;margin:32px 0 12px}
.lead{font-size:18px;color:var(--ink-2)}
/* system cards */
.sys-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:18px}
.sys-card{display:flex;gap:16px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;color:var(--ink);box-shadow:var(--shadow);transition:.15s}
.sys-card:hover{transform:translateY(-2px);border-color:var(--teal);text-decoration:none}
.sys-card h3{font-size:20px;margin-bottom:4px}.sys-card p{margin:0 0 10px;color:var(--ink-2);font-size:15px}
.sys-logo{flex:0 0 56px;height:56px;border-radius:14px;background:var(--teal-soft);display:grid;place-items:center;overflow:hidden}.sys-logo img{width:40px;height:40px;object-fit:contain}
.logo-ph{font:800 24px var(--head);color:var(--teal)}
.meta{display:flex;gap:14px;font-size:13px;color:var(--muted);flex-wrap:wrap}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:40px}
.feat{background:var(--card);border-radius:var(--radius);padding:18px;border:1px solid var(--line)}.feat b{font-family:var(--head);color:var(--teal)}.feat p{margin:6px 0 0;font-size:15px;color:var(--ink-2)}
/* updates */
.upd-list{display:grid;gap:14px}.upd{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px}
.upd-head{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:6px}.upd-head time{margin-inline-start:auto}
.upd h3{font-size:17px;margin:0 0 6px}.upd-body{font-size:15px;color:var(--ink-2)}.upd-body p{margin:0 0 6px}.upd-links{margin:8px 0 0;font-size:14px}
.tag{border-radius:6px;padding:1px 8px;font-weight:600;font-size:12px}.k-rel{background:var(--amber-soft);color:#9a5e00}.k-chg{background:var(--blue-soft);color:#245d9a}.k-new{background:var(--teal-soft);color:var(--teal)}
.sys{font-weight:600;color:var(--ink-2)}
.upd-list.small .upd{padding:12px 14px}.upd-list.small .upd-body{display:none}
.filters{display:flex;gap:8px;flex-wrap:wrap;margin:16px 0}.filters a{border:1px solid var(--line);border-radius:20px;padding:4px 14px;color:var(--ink-2);background:var(--card)}.filters a.on{background:var(--teal);color:#fff;border-color:var(--teal)}
/* system page */
.sys-hero{background:var(--card);border-bottom:1px solid var(--line);padding:28px 0}.sys-hero h1{font-size:34px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 8px}
.sys-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}.progress-note{font-size:14px;color:#9a5e00;background:var(--amber-soft);display:inline-block;padding:4px 12px;border-radius:8px}
.sys-body{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;margin-top:28px}@media(max-width:900px){.sys-body{grid-template-columns:1fr}}
.toc ul{list-style:none;margin:0;padding:0}.toc li{padding:3px 0}.toc li a{color:var(--ink);display:block;padding:4px 10px;border-radius:8px}.toc li a:hover{background:var(--teal-soft);text-decoration:none}
.toc li.on a{background:var(--teal);color:#fff}.toc li.sec{font:700 15px var(--head);color:var(--teal);margin-top:14px;padding-inline-start:10px}
.toc .d1{padding-inline-start:16px}.toc .d2{padding-inline-start:32px;font-size:.95em}.toc .d3,.toc .d4{padding-inline-start:48px;font-size:.92em}
/* reading */
.doc-layout{display:grid;grid-template-columns:300px 1fr;gap:36px;margin-top:24px}
.doc-side{position:sticky;top:84px;align-self:start;max-height:calc(100vh - 100px);overflow:auto;font-size:15px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px}
.doc-side summary{font-weight:700;cursor:pointer;padding:4px 8px}
@media(max-width:960px){.doc-layout{grid-template-columns:1fr}.doc-side{position:static;max-height:none}.doc-side details:not([open]) .toc{display:none}}
.doc{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:32px clamp(18px,4vw,48px);min-width:0}
.doc>h1{font-size:30px}
.source-box{display:flex;gap:8px 24px;flex-wrap:wrap;background:var(--blue-soft);border-radius:10px;padding:10px 14px;font-size:14px;margin-bottom:20px;color:var(--ink-2)}
.audio{display:flex;align-items:center;gap:12px;margin-bottom:20px;flex-wrap:wrap}.audio audio{flex:1;min-width:240px}
.prose{font-size:17.5px;overflow-wrap:anywhere}.prose h2{font-size:23px;margin-top:1.8em;padding-bottom:6px;border-bottom:1px solid var(--line)}.prose h3{font-size:19px;margin-top:1.5em}
.prose p{margin:0 0 1em}.prose ul,.prose ol{padding-inline-start:1.4em}.prose li{margin:.3em 0}
.prose img{display:block;margin:18px auto;border-radius:10px;border:1px solid var(--line);max-height:640px;width:auto}
.prose code{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.88em;direction:ltr;unicode-bidi:isolate;font-family:ui-monospace,Menlo,Consolas,monospace}
.prose pre{background:#0f1f2f;color:#e6edf3;padding:14px;border-radius:10px;overflow:auto;direction:ltr;text-align:left}.prose pre code{background:none;border:0;color:inherit;padding:0}
.prose table{border-collapse:collapse;width:100%;margin:1em 0;font-size:15px;display:block;overflow-x:auto}.prose th,.prose td{border:1px solid var(--line);padding:8px 10px;text-align:start;vertical-align:top}.prose th{background:var(--bg)}
.prose blockquote{border-inline-start:4px solid var(--line);margin:1em 0;padding:4px 16px;color:var(--ink-2)}
.prose .warning,.prose .note,.prose .tip{border-radius:10px;padding:14px 18px;margin:1.2em 0;border-inline-start:5px solid}
.prose .warning{background:var(--red-soft);border-color:var(--red)}.prose .warning::before{content:"⚠️ تنبيه مهم";display:block;font-weight:700;color:var(--red);margin-bottom:4px}
.prose .note{background:var(--blue-soft);border-color:#3b82c4}.prose .note::before{content:"ℹ️ ملاحظة";display:block;font-weight:700;color:#245d9a;margin-bottom:4px}
.prose .tip{background:var(--teal-soft);border-color:var(--teal)}.prose .tip::before{content:"💡 نصيحة";display:block;font-weight:700;color:var(--teal);margin-bottom:4px}
.prose .warning>p:last-child,.prose .note>p:last-child,.prose .tip>p:last-child{margin-bottom:0}
.disclaimer{background:var(--amber-soft);border-radius:10px;padding:12px 16px;font-size:14.5px;margin:28px 0}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:20px}.pager a{flex:1;max-width:48%;border:1px solid var(--line);border-radius:12px;padding:12px 16px;color:var(--ink)}.pager a:hover{border-color:var(--teal);text-decoration:none}
.pager small{display:block;color:var(--muted)}.pager .next{text-align:left}
.ask-box{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--teal-soft);border-radius:12px;padding:14px 18px;margin-top:24px}.ask-box p{margin:0;font-weight:600}
/* search/library */
.big-search{display:flex;gap:8px;margin-bottom:20px}.big-search input{flex:1}
.result{display:block;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 18px;margin-bottom:10px;color:var(--ink)}.result:hover{border-color:var(--teal);text-decoration:none}.result h3{margin:2px 0;font-size:18px}.result p{margin:0;color:var(--ink-2);font-size:15px}
.lib-sys{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px}.lib-head{display:flex;justify-content:space-between;align-items:center;gap:12px}.lib-head h2{margin:0}
.audio-list{list-style:none;padding:0;margin:12px 0 0}.audio-list li{display:flex;gap:12px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--line);padding:8px 0}.audio-list audio{height:36px;margin-inline-start:auto}
.empty{color:var(--muted);text-align:center;padding:40px 0}
/* forms */
input,select,textarea{font:16px var(--font);color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px;width:100%}
input:focus,select:focus,textarea:focus{outline:2px solid var(--teal-2);outline-offset:0;border-color:transparent}
label{display:block;font-weight:600;font-size:15px;margin-bottom:12px}label input,label select,label textarea{margin-top:4px;font-weight:400}
label.check{display:flex;gap:8px;align-items:center}label.check input{width:auto;margin:0}
.auth{display:grid;place-items:center;padding-top:48px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);width:100%;max-width:440px}
.card form+form{margin-top:16px}.credit-big{background:var(--teal-soft);border-radius:12px;padding:14px;text-align:center;margin:16px 0}.credit-big b{display:block;font:800 34px var(--head);color:var(--teal)}
/* chat */
.chat-layout{display:grid;grid-template-columns:260px 1fr;gap:20px;margin-top:20px}
.chat-side{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;align-self:start;position:sticky;top:84px}
.chat-side ul{list-style:none;padding:0;margin:10px 0 0;max-height:50vh;overflow:auto}.chat-side li a{display:block;padding:6px 10px;border-radius:8px;color:var(--ink);font-size:14.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.chat-side li.on a,.chat-side li a:hover{background:var(--teal-soft);text-decoration:none}
.credit{font-size:14px;color:var(--muted);margin-top:10px;text-align:center}.credit b{color:var(--teal);font-size:18px}
.chat-main{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);display:flex;flex-direction:column;min-height:72vh}
.msgs{flex:1;padding:20px;overflow:auto;display:flex;flex-direction:column;gap:16px}
.msg{max-width:88%}.msg.user{align-self:flex-start}.msg.assistant{align-self:flex-end;width:88%}
.bubble{border-radius:16px;padding:12px 16px}.msg.user .bubble{background:var(--teal);color:#fff;border-end-start-radius:4px}
.msg.assistant .bubble{background:var(--bg);border:1px solid var(--line);border-end-end-radius:4px}.msg.assistant .bubble p:last-child{margin-bottom:0}
.msg .bubble code{background:var(--card);border:1px solid var(--line);border-radius:5px;padding:0 5px;direction:ltr;unicode-bidi:isolate}
.msg .bubble .warning{background:var(--red-soft);border-radius:8px;padding:8px 12px;margin:8px 0}
.srcs{font-size:13.5px;margin-top:6px;padding:0 6px}.src span{color:var(--muted)}
.typing .bubble::after{content:"يكتب الإجابة…";color:var(--muted)}
.chat-welcome{text-align:center;margin:auto;max-width:560px}.suggest{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:16px}
.suggest button{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:10px;font:15px var(--font);color:var(--ink);cursor:pointer;text-align:start}.suggest button:hover{border-color:var(--teal)}
.composer{display:flex;gap:8px;padding:12px;border-top:1px solid var(--line)}.composer textarea{resize:none}
.chat-gate{padding-top:60px}
@media(max-width:820px){.chat-layout{grid-template-columns:1fr}.chat-side{position:static}.chat-side ul{max-height:120px}.suggest{grid-template-columns:1fr}.msg,.msg.assistant{max-width:100%;width:auto}}
/* admin */
.admin-wrap{display:grid;grid-template-columns:200px 1fr;gap:24px;margin-top:24px}
.admin-tabs{display:flex;flex-direction:column;gap:2px;align-self:start;position:sticky;top:84px}.admin-tabs a{padding:8px 12px;border-radius:8px;color:var(--ink)}.admin-tabs a.on,.admin-tabs a:hover{background:var(--teal-soft);text-decoration:none}
.badge{background:var(--red);color:#fff;border-radius:10px;padding:0 7px;font-size:12px}
@media(max-width:820px){.admin-wrap{grid-template-columns:1fr}.admin-tabs{flex-direction:row;flex-wrap:wrap;position:static}}
.admin-body .page-title{margin-top:0}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:16px}.stat{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px}.stat b{display:block;font:800 26px var(--head);color:var(--teal)}.stat span{font-size:14px;color:var(--muted)}
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;margin-bottom:16px;min-width:0}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:8px}.panel-head h2{margin:0}.panel h2{font-size:20px}
.tbl{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto}.tbl th,.tbl td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:start;vertical-align:top}.tbl th{font-weight:600;color:var(--muted);font-size:13px;white-space:nowrap}
.tbl tr.section td{background:var(--bg)}.err{color:var(--red)}.errs{font-size:14px;color:var(--ink-2)}
.row-form{display:grid;gap:10px}.row-form details{font-size:15px}.row-form details input{margin-top:8px}
.grid-form{display:grid;grid-template-columns:1fr 1fr;gap:4px 18px}.grid-form .full{grid-column:1/-1}@media(max-width:700px){.grid-form{grid-template-columns:1fr}}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.del-form{display:flex;gap:6px}.del-form input{width:120px}
form.inline{display:inline}.tiny{width:70px!important;padding:4px 6px!important}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:12px}.src-warn{white-space:pre-wrap;font-size:13px;background:var(--bg);padding:10px;border-radius:8px;max-height:260px;overflow:auto}
.review details{margin:8px 0}.review summary{cursor:pointer;font-weight:600}
/* footer */
.foot{background:var(--navy);color:#c6d4e2;padding:28px 0;font-size:14.5px}.foot p{margin:4px 0}.foot .muted{color:#93a8bd}
/* print */
.print-page{background:#fff;color:#111}.print-bar{position:sticky;top:0;background:var(--navy);color:#fff;display:flex;gap:16px;align-items:center;padding:10px 20px;z-index:5}.print-bar a{color:#fff}
.print-cover,.print-sec{max-width:820px;margin:0 auto;padding:32px 20px}.print-cover h1{font-size:40px}.print-toc{columns:2;font-size:14px}.print-toc .sec{font-weight:700;list-style:none;margin-top:8px}.print-toc .d1,.print-toc .d2{margin-inline-start:14px}
.print-sec{border-top:1px solid #ddd}
@media print{.print-bar,.topbar,.foot{display:none}.print-sec{break-before:page;border:0;padding:0}.print-cover{padding:0}body{font-size:12pt}.prose img{max-height:420px}a{color:#000}.prose pre{background:#f3f3f3;color:#000}}