/* ============================================================
   منصة الأوائل
   الهوية: شريط عنّابي بحافة مسنّنة من تسعة رؤوس، وصفحة بيضاء،
   ولون مميز لكل وحدة يأتي من بيانات المادة عبر المتغير --unit.
   ============================================================ */
@font-face{font-family:"Readex Pro";font-style:normal;font-weight:160 700;font-display:swap;src:url(fonts/readex-la.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Readex Pro";font-style:normal;font-weight:160 700;font-display:swap;src:url(fonts/readex-ar.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Naskh Arabic";font-style:normal;font-weight:100 599;font-display:swap;src:url(fonts/naskh-la-400.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Noto Naskh Arabic";font-style:normal;font-weight:100 599;font-display:swap;src:url(fonts/naskh-ar-400.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Naskh Arabic";font-style:normal;font-weight:600 900;font-display:swap;src:url(fonts/naskh-la-700.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Noto Naskh Arabic";font-style:normal;font-weight:600 900;font-display:swap;src:url(fonts/naskh-ar-700.woff2) format("woff2");unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}

:root{
  --band:#8A1538; --brand:#8A1538; --brand-deep:#5E0E27; --accent:#8A1538;
  --paper:#ffffff; --ink:#221A1E; --muted:#6B5F64; --line:#E6DEE1; --line-strong:#B9AEB2; --tint:#FAF3F5;
  --ok:#1B7550; --ok-bg:#EAF6F0; --bad:#B4480E; --bad-bg:#FDF0E7; --warn:#856000; --warn-bg:#FBF3DC;
  --unit:#8A1538; --unit-tint:#FAF3F5;
  --ui:"Readex Pro",Tahoma,"Segoe UI",Arial,sans-serif;
  --text:"Noto Naskh Arabic","Sakkal Majalla","Traditional Arabic",serif;
  --teeth:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 10' preserveAspectRatio='none'%3E%3Cpath d='M0 0L10 10 20 0z'/%3E%3C/svg%3E");
  color-scheme:light;
}
body.night{
  --band:#5E0E27; --brand:#A32048; --brand-deep:#B92C56; --accent:#F2A3BA;
  --paper:#1B1216; --ink:#F3E8EC; --muted:#B9A4AC; --line:#45313B; --line-strong:#6A525C; --tint:#291B22;
  --ok:#74D0A2; --ok-bg:#15332A; --bad:#F3A47A; --bad-bg:#3A2418; --warn:#E6C262; --warn-bg:#3A2F14;
  --unit:#F2A3BA; --unit-tint:#291B22;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;padding-bottom:calc(66px + env(safe-area-inset-bottom));background:var(--paper);color:var(--ink);font:400 15px/1.6 var(--ui)}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:default}
h1,h2,h3,h4,p{margin:0}
[hidden]{display:none!important}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
#app:focus{outline:0}
.muted{color:var(--muted)}
.ltr,.en{direction:ltr;unicode-bidi:isolate;display:inline-block;font-family:var(--ui);font-weight:500;font-size:.86em}
.skip{position:fixed;top:-100px;right:16px;z-index:100;padding:10px 18px;border-radius:10px;background:var(--ink);color:var(--paper)}
.skip:focus-visible{top:12px}

/* ---------- الشريط ---------- */
.band{position:relative;background:var(--band);color:#fff;padding:22px 20px 22px;margin-bottom:11px}
.band::after{content:"";position:absolute;top:100%;right:0;left:0;height:11px;background:var(--band);
  -webkit-mask:var(--teeth) 0 0/calc(100% / 9) 100% repeat-x;mask:var(--teeth) 0 0/calc(100% / 9) 100% repeat-x}
.band :focus-visible{outline-color:#fff}
.band-in{max-width:680px;margin-inline:auto}
.band h1{font-size:26px;font-weight:700;line-height:1.4}
.band .by{font-size:13.5px;font-weight:300;opacity:.9}
.band.slim{padding:10px 20px}
.band.slim .band-in{display:flex;align-items:center;justify-content:space-between;gap:12px}
.band .back{display:inline-flex;align-items:center;gap:6px;min-height:44px;color:#fff;font-size:15px;font-weight:500;text-decoration:none}
.band .name{font-size:15px;font-weight:700}

.page{max-width:720px;margin-inline:auto;padding:18px 20px 28px;display:flex;flex-direction:column;gap:22px}
.page.has-bar{padding-bottom:16px}

/* ---------- أزرار ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:8px 18px;border:1.5px solid var(--line);border-radius:10px;background:var(--paper);color:var(--ink);font-size:15.5px;font-weight:500;line-height:1.3;text-decoration:none;transition:border-color .12s,background .12s}
.btn:hover:not(:disabled){border-color:var(--accent)}
.btn:disabled{opacity:.45}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:700}
.btn.primary:hover:not(:disabled){background:var(--brand-deep);border-color:var(--brand-deep)}
.btn.accent{border-color:var(--accent);color:var(--accent);font-weight:700}
.btn.unit{background:var(--unit);border-color:var(--unit);color:#fff;font-weight:700}
body.night .btn.unit{color:#1B1216}
.btn.small{min-height:44px;padding:6px 14px;font-size:14.5px;white-space:nowrap}
.btn.block{width:100%}
.link{display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;background:none;color:var(--accent);font-size:14.5px;font-weight:500;text-decoration:underline;text-underline-offset:5px}
.link.unit-c{color:var(--unit)}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.row2 .btn{padding-inline:8px;font-size:15px;white-space:nowrap}

/* ---------- الرئيسية ---------- */
.kicker{font-size:13.5px;color:var(--muted)}
.title{font-size:24px;font-weight:700;line-height:1.35}
.progress-line{display:flex;justify-content:space-between;align-items:baseline;margin-top:10px;font-size:13.5px;color:var(--muted)}
.progress-line b{color:var(--ink);font-weight:500}
.bar{height:8px;border-radius:8px;background:var(--line);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--accent);transition:width .25s}
.bar.thin{height:4px}
.bar.unit>i{background:var(--unit)}
.card{display:flex;flex-direction:column;gap:4px;padding:16px;border-radius:14px;background:var(--tint)}
.card .t{font-size:18px;font-weight:700;line-height:1.4}
.card .btn{margin-top:10px}
.unit-h .lab{font-size:13px;font-weight:700;color:var(--unit)}
.unit-h h2{font-size:18px;font-weight:700;line-height:1.45;margin-bottom:8px}
.lessons{display:flex;flex-direction:column;border-bottom:1px solid var(--line)}
.lesson{display:flex;align-items:center;gap:12px;min-height:68px;padding:9px 0;border-top:1px solid var(--line);color:var(--ink);text-decoration:none}
.lesson .n{flex:none;display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:var(--unit);color:#fff;font-weight:700}
body.night .lesson .n,body.night .sec-h .n{color:#1B1216}
.lesson .b{flex:1;min-width:0;display:flex;flex-direction:column}
.lesson .b strong{font-size:16.5px;font-weight:500;line-height:1.45}
.lesson .b span{font-size:12.5px;color:var(--muted)}
.lesson .b span.done{color:var(--ok)}
.lesson svg{flex:none;color:var(--muted)}
.lesson:hover strong{color:var(--unit)}
.about{display:flex;flex-direction:column;gap:2px;padding-top:18px;border-top:1px solid var(--line);font-size:13.5px;color:var(--muted)}
.about strong{font-size:16px;color:var(--ink)}
.about .wa{display:inline-flex;align-items:center;gap:7px;min-height:44px;align-self:flex-start;color:var(--ink);font-weight:500;text-decoration:none;direction:ltr}
.about .wa svg{color:#128C5E}
body.night .about .wa svg{color:#63D69E}
.tools{display:flex;flex-wrap:wrap;gap:4px 18px}

/* ---------- رأس الدرس والتبويبان ---------- */
.lesson-h .lab{font-size:13px;font-weight:700;color:var(--unit)}
.lesson-h h1{font-size:28px;font-weight:700;line-height:1.3}
.tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-bottom:1px solid var(--line)}
.tabs a{display:flex;align-items:center;justify-content:center;min-height:48px;margin-bottom:-1px;border-bottom:3px solid transparent;color:var(--muted);font-size:16px;font-weight:500;text-decoration:none}
.tabs a[aria-current]{border-bottom-color:var(--unit);color:var(--unit);font-weight:700}

/* ---------- الشرح (محتوى المذكرة) ---------- */
.sec{display:flex;flex-direction:column;gap:8px;scroll-margin-top:16px;border-radius:12px}
.sec.flash{box-shadow:0 0 0 3px var(--paper),0 0 0 6px var(--unit)}
.sec-h{display:flex;align-items:flex-start;gap:10px;font-size:17px;font-weight:700;line-height:1.5}
.sec-h .n{flex:none;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:8px;background:var(--unit);color:#fff;font-size:14px}
.sec-body{display:flex;flex-direction:column;gap:10px;font-family:var(--text);font-size:18px;line-height:1.8}
.sec-body .def{padding:12px 14px;border-radius:12px;background:var(--unit-tint)}
body.night .sec-body .def,body.night .feedback{background:var(--tint)}
.sec-body .term{color:var(--unit)}
.sec-body .more{display:block;margin-top:4px;font-size:.92em;color:var(--muted)}
.sec-body .defs{display:flex;flex-direction:column;gap:8px}
.sec-body .ex,.sec-body .lead{font-size:17px}
.sec-body .subh{margin-top:4px;font-family:var(--ui);font-size:15px;font-weight:700}
.sec-body ol,.sec-body ul{margin:0;padding:0;list-style:none}
.sec-body svg{flex:none;width:20px;height:20px;color:var(--unit)}
.sec-body .tiles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;font-size:16.5px;line-height:1.5}
.sec-body .tiles li{display:flex;align-items:center;gap:8px;min-height:52px;padding:6px 10px;border:1px solid var(--line);border-radius:10px}
.sec-body .tiles.long{grid-template-columns:1fr}
.sec-body .cmpv{display:flex;flex-direction:column}
.sec-body .cmpv ul{display:contents}
.sec-body .cmpv .ch{font-family:var(--ui);font-size:14.5px;font-weight:700}
.sec-body .cmpv .ch.a{order:0;color:var(--ok)}
.sec-body .cmpv li.a{order:1}
.sec-body .cmpv .ch.c{order:2;margin-top:12px;color:var(--bad)}
.sec-body .cmpv li.c{order:3}
.sec-body .cmpv li{display:flex;align-items:flex-start;gap:8px;padding:7px 0;border-bottom:1px solid var(--line);font-size:16.5px;line-height:1.6}
.sec-body .cmpv li svg{margin-top:5px}
.sec-body .cmpv li.a svg{color:var(--ok)}
.sec-body .cmpv li.c svg{color:var(--bad)}
.sec-body .models,.sec-body .mk{display:flex;flex-direction:column}
.sec-body .models li,.sec-body .mk li{display:flex;align-items:center;gap:10px;min-height:48px;padding:6px 0;border-bottom:1px solid var(--line);font-size:17px}
.sec-body .models li:last-child,.sec-body .mk li:last-child,.sec-body .cmpv li.c:last-child{border-bottom:0}
.sec-body .pair-ico{flex:none;display:inline-flex;align-items:center;gap:3px;color:var(--unit)}
.sec-body .arrow{font-family:var(--ui);font-size:13px}
.sec-body .kt{width:100%;border-collapse:collapse;font-size:16px;line-height:1.65}
.sec-body .kt thead th{padding:6px 8px;border-bottom:2px solid var(--unit);font-family:var(--ui);font-size:13px;font-weight:500;color:var(--muted);text-align:start}
.sec-body .kt tbody th{width:34%;padding:9px 8px;border-bottom:1px solid var(--line);font-weight:700;color:var(--unit);text-align:start;vertical-align:top}
.sec-body .kt td{padding:9px 8px;border-bottom:1px solid var(--line);vertical-align:top}
.sec-body .kt.k3 tbody th{width:20%}
.sec-body .kt .mid{width:26%;font-weight:700}
.selftest .sec-body .ans{border-radius:6px;background:var(--line);color:transparent;cursor:pointer;user-select:none}
.selftest .sec-body .def.shown .ans{background:none;color:inherit;cursor:auto;user-select:auto}
.selftest .sec-body .ans *{visibility:hidden}
.selftest .sec-body .def.shown .ans *{visibility:visible}
.selftest-note{padding:10px 14px;border-radius:12px;background:var(--warn-bg);color:var(--warn);font-size:14px}

/* ---------- السؤال ---------- */
.qhead{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px}
.qhead .type{font-weight:700;color:var(--unit);white-space:nowrap}
.qhead .num{color:var(--muted);text-align:end}
.qwrap{display:flex;flex-direction:column;gap:10px}
.status{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:500;color:var(--muted)}
.status i{flex:none;width:11px;height:11px;border:2px solid currentColor;border-radius:50%}
.status[data-s="selected"]{color:var(--ink)}
.status[data-s="correct"],.status[data-s="selfcorrect"]{color:var(--ok)}
.status[data-s="wrong"],.status[data-s="retry"]{color:var(--bad)}
.status[data-s="revealed"]{color:var(--warn)}
.status[data-s="correct"] i,.status[data-s="selfcorrect"] i,.status[data-s="wrong"] i,.status[data-s="retry"] i{background:currentColor}
.question{margin-bottom:6px;font-family:var(--text);font-size:clamp(22px,2.4vw + 14px,27px);font-weight:700;line-height:1.75;overflow-wrap:anywhere}
.question u{color:var(--accent);text-decoration-thickness:2px;text-underline-offset:9px}
.question u .ltr{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:9px}
.question .blank{display:inline-block;width:84px;border-bottom:2px solid var(--accent)}
.choice{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;padding:10px 12px;border:1.5px solid var(--line);border-radius:12px;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:19px;line-height:1.65;text-align:start;transition:border-color .12s,background .12s}
.choice:hover:not(:disabled){border-color:var(--accent)}
.choice:disabled{opacity:1}
.choice .l{flex:none;display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:9px;background:var(--tint);color:var(--accent);font:700 16px/1 var(--ui)}
.choice .x{flex:1;min-width:0}
.choice .m{flex:none;font:700 18px/1 var(--ui)}
.choice.selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.choice.selected .l{background:var(--brand);color:#fff}
.choice.correct{border-color:var(--ok);background:var(--ok-bg);box-shadow:inset 0 0 0 1px var(--ok)}
.choice.correct .l{background:var(--ok);color:var(--paper)}
.choice.correct .m{color:var(--ok)}
.choice.wrong{border-color:var(--bad);background:var(--bad-bg);box-shadow:inset 0 0 0 1px var(--bad)}
.choice.wrong .l{background:var(--bad);color:var(--paper)}
.choice.wrong .m{color:var(--bad)}
.answer-box{display:block;width:100%;min-height:76px;padding:12px 14px;border:1.5px solid var(--line-strong);border-radius:12px;background:var(--paper);font-family:var(--text);font-size:20px;line-height:1.7;resize:vertical}
.answer-box.essay{min-height:150px}
.answer-box:focus{border-color:var(--accent);outline:0;box-shadow:inset 0 0 0 1px var(--accent)}
.hint{font-size:13px;color:var(--muted)}
.feedback{display:flex;flex-direction:column;gap:10px;padding:14px;border-radius:14px;background:var(--unit-tint)}
.feedback .ft{font-size:14px;font-weight:700;color:var(--unit)}
.feedback .fa{font-family:var(--text);font-size:19px;line-height:1.8}
.feedback .guide,.feedback .src{font-size:13.5px;color:var(--muted)}
.feedback ol{margin:0;padding:0;list-style:none;counter-reset:a;display:grid;gap:6px}
.feedback li{display:flex;gap:10px;counter-increment:a;font-family:var(--text);font-size:18.5px;line-height:1.75;overflow-wrap:anywhere}
.feedback li::before{content:counter(a);flex:none;display:flex;align-items:center;justify-content:center;width:26px;height:26px;margin-top:4px;border-radius:50%;background:var(--paper);color:var(--unit);font:700 13px/1 var(--ui)}
.feedback h4{font-size:15px;font-weight:700}
.feedback .grp+.grp{padding-top:12px;border-top:1px solid var(--line)}
.feedback .judge{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.actions{display:flex;flex-wrap:wrap;gap:10px}
.actions .btn{flex:1 1 calc(50% - 5px)}
.actions .btn.primary{flex-basis:100%}
.chip{display:inline-flex;align-items:center;gap:8px;align-self:flex-start;min-height:44px;padding:4px 14px;border:1.5px solid var(--unit);border-radius:999px;background:var(--unit-tint);color:var(--ink);font-size:14px}
body.night .chip{background:var(--tint)}
.chip button{display:inline-flex;align-items:center;min-height:36px;padding:0;border:0;background:none;color:var(--unit);font-weight:700;text-decoration:underline;text-underline-offset:4px}
.empty{padding:28px 0;color:var(--muted);text-align:center;line-height:1.8}
details.map>summary{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--accent);font-size:14.5px;font-weight:500;cursor:pointer;list-style:none}
details.map>summary::-webkit-details-marker{display:none}
details.map>summary::after{content:"";width:7px;height:7px;border-right:1.5px solid;border-bottom:1.5px solid;transform:translateY(-3px) rotate(45deg)}
details.map[open]>summary::after{transform:translateY(1px) rotate(-135deg)}
.dots{display:grid;grid-template-columns:repeat(auto-fill,minmax(44px,1fr));gap:6px;margin-top:6px}
.dot{position:relative;min-height:44px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);color:var(--muted);font-size:14px;font-weight:500}
.dot.s-selected{border-color:var(--accent);color:var(--accent)}
.dot.s-correct,.dot.s-selfcorrect{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}
.dot.s-wrong,.dot.s-retry{border-color:var(--bad);background:var(--bad-bg);color:var(--bad)}
.dot.s-revealed{border-color:var(--warn);background:var(--warn-bg);color:var(--warn)}
.dot.cur{outline:2.5px solid var(--ink);outline-offset:1px}
.dot.star::after{content:"★";position:absolute;top:1px;left:3px;font-size:9px;color:var(--warn)}
.legend{display:flex;flex-wrap:wrap;gap:4px 14px;margin-top:10px;font-size:12.5px;color:var(--muted)}

/* ---------- التنقل الرئيسي: شريط سفلي ثابت ---------- */
.nav-bottom{position:fixed;right:0;left:0;bottom:0;z-index:20;border-top:1px solid var(--line);background:var(--paper)}
.nav-bottom .in{max-width:720px;margin-inline:auto;padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.nav-bottom a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:62px;color:var(--muted);font-size:12.5px;font-weight:500;text-decoration:none;border-top:3px solid transparent;margin-top:-1px}
.nav-bottom a[aria-current]{color:var(--accent);border-top-color:var(--accent);font-weight:700}
.nav-bottom b{display:inline-block;min-width:20px;padding:0 5px;border-radius:10px;background:var(--bad);color:var(--paper);font-size:11.5px;font-weight:700;line-height:20px;text-align:center}
.stepnav{display:flex;align-items:center;justify-content:space-between;gap:10px;padding-top:14px;border-top:1px solid var(--line)}
.stepnav .btn{min-width:104px}
.stepnav .step{font-size:14px;color:var(--muted);white-space:nowrap}
.stack8{display:flex;flex-direction:column;gap:8px}
.lead{margin-top:4px;font-size:14.5px;color:var(--muted)}
.tag{flex:none;padding:3px 10px;border-radius:999px;background:var(--tint);color:var(--accent);font-size:12px;font-weight:700;white-space:nowrap}
.banner{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding:10px 16px;border-radius:12px;background:var(--warn-bg);color:var(--ink);text-decoration:none}
.banner strong{color:var(--accent);text-decoration:underline;text-underline-offset:5px;white-space:nowrap}
.toolbar{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.toc{flex:1;min-width:0}
.toc ol{margin:4px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;border-top:1px solid var(--line)}
.toc ol button{width:100%;min-height:44px;padding:8px 0;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);font-size:14.5px;text-align:start}
.toc ol button:hover{color:var(--accent)}
.end{display:flex;flex-direction:column;gap:12px;padding-top:18px;border-top:1px solid var(--line)}
.neigh{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.neigh .btn{flex-direction:column;align-items:flex-start;gap:0;min-height:62px;padding:8px 12px;text-align:start}
.neigh .btn .muted{font-size:12.5px;font-weight:400}
.neigh .btn strong{font-size:14.5px;font-weight:700;line-height:1.4}
.done{display:flex;flex-direction:column;gap:12px}
.done h2{font-size:22px;font-weight:700}
.set{display:flex;flex-direction:column;gap:6px;padding-top:16px;border-top:1px solid var(--line)}
.set h2{font-size:13.5px;font-weight:700;color:var(--muted)}
.set-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;font-size:15.5px}
.stepper{display:flex;gap:8px}
.sample{font-family:var(--text);font-size:18px;line-height:1.8;color:var(--muted)}
.btn.danger{color:var(--bad)}
.btn.danger:hover:not(:disabled){border-color:var(--bad)}
.wa{display:inline-flex;align-items:center;gap:7px;min-height:44px;align-self:flex-start;color:var(--ink);font-weight:500;text-decoration:none;direction:ltr}
.wa svg{color:#128C5E}
body.night .wa svg{color:#63D69E}
.dlg{width:min(92vw,380px);padding:20px;border:0;border-radius:16px;background:var(--paper);color:var(--ink);box-shadow:0 24px 60px rgba(0,0,0,.3)}
.dlg::backdrop{background:rgba(34,26,30,.55)}
.dlg p{margin-bottom:16px;font-size:16px;line-height:1.7}

/* ---------- حجم الخط (من صفحة المزيد) ---------- */
body.fs1 .sec-body,body.fs1 .sample{font-size:20px}
body.fs1 .sec-body .tiles,body.fs1 .sec-body .cmpv li,body.fs1 .sec-body .kt,body.fs1 .sec-body .models li,body.fs1 .sec-body .mk li{font-size:18.5px}
body.fs1 .question{font-size:26px}
body.fs1 .choice,body.fs1 .answer-box,body.fs1 .feedback .fa,body.fs1 .feedback li{font-size:21px}
body.fs2 .sec-body,body.fs2 .sample{font-size:22.5px}
body.fs2 .sec-body .tiles,body.fs2 .sec-body .cmpv li,body.fs2 .sec-body .kt,body.fs2 .sec-body .models li,body.fs2 .sec-body .mk li{font-size:20.5px}
body.fs2 .sec-body .tiles{grid-template-columns:1fr}
body.fs2 .question{font-size:29px}
body.fs2 .choice,body.fs2 .answer-box,body.fs2 .feedback .fa,body.fs2 .feedback li{font-size:23px}

/* ---------- الاختبار ---------- */
.notice{padding:12px 14px;border-radius:12px;background:var(--tint);font-size:14px;line-height:1.7}
.form{display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:4px;font-size:13.5px;color:var(--muted)}
.field select{min-height:48px;padding:6px 12px;border:1.5px solid var(--line-strong);border-radius:10px;background:var(--paper);color:var(--ink);font-size:16px}
.score{font-size:52px;font-weight:700;line-height:1.25;color:var(--accent)}
.breakdown{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-block:1px solid var(--line)}
.breakdown>div{padding:12px 8px;font-size:13.5px;color:var(--muted)}
.breakdown strong{display:block;font-size:21px;font-weight:700;color:var(--ink)}
.results{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}
.results button{min-height:46px;padding:8px 10px;border:1.5px solid var(--line);border-radius:9px;background:var(--paper);font-size:14px;text-align:start}
.results .good{border-color:var(--ok);color:var(--ok)}
.results .bad{border-color:var(--bad);color:var(--bad)}
.results .pending{border-color:var(--warn);color:var(--warn)}

.toast{position:fixed;right:16px;left:16px;bottom:calc(78px + env(safe-area-inset-bottom));z-index:60;max-width:420px;margin-inline:auto;padding:11px 16px;border-radius:10px;background:var(--ink);color:var(--paper);font-size:14px;text-align:center}

@media(min-width:760px){
  .band{padding-inline:32px}
  .page{padding-top:26px}
  .sec-body .tiles{grid-template-columns:repeat(3,minmax(0,1fr))}
  .sec-body .tiles.long{grid-template-columns:repeat(2,minmax(0,1fr))}
  .results{grid-template-columns:repeat(4,minmax(0,1fr))}
  .breakdown{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}
@media print{.band,.nav-bottom,.tabs,.actions,.stepnav,.toolbar,.toast,.link,.map,.end{display:none!important}body{padding:0}}

/* ===== الإصدار المبني على التدريب: قائمة جانبية واحدة + صفحة التدريب ===== */
:root{--teeth-v:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 20' preserveAspectRatio='none'%3E%3Cpath d='M10 0L0 10 10 20z'/%3E%3C/svg%3E")}
body{padding-bottom:0}
.shell{display:grid;grid-template-columns:276px minmax(0,1fr);min-height:100vh}
.side{position:sticky;top:0;height:100vh;z-index:30;display:flex;flex-direction:column;background:var(--band);color:#fff}
.side::after{content:"";position:absolute;top:0;bottom:0;right:100%;width:14px;background:var(--band);-webkit-mask:var(--teeth-v) 0 0/100% calc(100% / 9) repeat-y;mask:var(--teeth-v) 0 0/100% calc(100% / 9) repeat-y}
.side :focus-visible{outline-color:#fff}
.side-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;padding:24px 18px 12px}
.brand{display:flex;flex-direction:column;color:#fff;text-decoration:none}
.brand strong{font-size:21px;font-weight:700;line-height:1.4}
.brand span{font-size:13px;font-weight:300;opacity:.9}
.side-x{display:none}
.side-nav{flex:1;min-height:0;overflow-y:auto;padding:0 10px 18px;display:flex;flex-direction:column;gap:2px}
.side-lab{padding:14px 10px 6px;font-size:12.5px;font-weight:500;opacity:.75}
.side-a{display:flex;align-items:baseline;justify-content:space-between;gap:8px;min-height:44px;padding:9px 10px;border-radius:10px;color:#fff;font-size:15px;font-weight:500;line-height:1.45;text-decoration:none}
.side-a:hover{background:rgba(255,255,255,.12)}
.side-a[aria-current]{background:#fff;color:#5E0E27;font-weight:700}
.side-a .meta{flex:none;font-size:12px;font-weight:400;opacity:.85;white-space:nowrap}
.scrim,.topbar{display:none}
.main{min-width:0}
.page{max-width:840px;margin-inline:auto;padding:30px clamp(32px,5vw,60px) 44px;gap:16px}
.h2{font-size:16px;font-weight:700;margin-bottom:8px}
.btn.big{min-height:56px;font-size:17px}
.lesson .cnt{flex:none;font-size:13.5px;color:var(--muted);white-space:nowrap}
.lesson .cnt.done{color:var(--ok);font-weight:700}
.h-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.filters{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin:0;padding:0;background:none}
.field.inline{flex-direction:row;align-items:center;gap:8px}
.field.inline select{min-height:44px;font-size:15px}
.btn[aria-pressed="true"]{border-color:var(--accent);color:var(--accent);font-weight:700}
.chips{display:flex;flex-wrap:wrap;gap:8px;font-size:13.5px;font-weight:500}
.chips span{padding:3px 12px;border-radius:999px}
.chip-ok{background:var(--ok-bg);color:var(--ok)}
.chip-bad{background:var(--bad-bg);color:var(--bad)}
.chip-left{background:var(--tint);color:var(--muted)}
.strip{display:flex;flex-wrap:wrap;gap:6px}
.strip.long{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px}
.strip .dot{flex:none;width:40px;min-height:40px}
.link.quiet{align-self:flex-start;color:var(--muted)}
.answer-box.line{min-height:56px;resize:none}
.answer-box.line.ok{border-color:var(--ok);background:var(--ok-bg);color:var(--ink);opacity:1}
.answer-box.line.no{border-color:var(--bad);background:var(--bad-bg);color:var(--ink);opacity:1}
.feedback .judge.one{grid-template-columns:1fr}
.actions .btn{flex:1 1 calc(50% - 5px)}
.sheet{width:min(94vw,720px);max-height:88vh;padding:0;border:0;border-radius:16px;background:var(--paper);color:var(--ink);overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.sheet[open]{display:flex;flex-direction:column}
.sheet::backdrop{background:rgba(34,26,30,.55)}
.sheet-h{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}
.sheet-h h2{font-size:20px;font-weight:700;line-height:1.4}
.sheet-b{overflow-y:auto;padding:16px 18px;display:flex;flex-direction:column;gap:20px}
.sheet-f{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:10px 18px;border-top:1px solid var(--line)}
@media(max-width:900px){
  .shell{display:block}
  .side{display:none;position:fixed;top:0;bottom:0;right:0;width:min(86vw,330px);height:auto}
  .side.open{display:flex}
  .side::after{display:none}
  .side-x{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:1px solid rgba(255,255,255,.45);border-radius:10px;background:none;color:#fff}
  .scrim.open{display:block;position:fixed;top:0;right:0;bottom:0;left:0;z-index:25;background:rgba(34,26,30,.5)}
  .topbar{display:flex;position:sticky;top:0;z-index:15;align-items:center;justify-content:space-between;gap:12px;margin-bottom:11px;padding:8px 14px;background:var(--band);color:#fff}
  .topbar::after{content:"";position:absolute;top:100%;right:0;left:0;height:11px;background:var(--band);-webkit-mask:var(--teeth) 0 0/calc(100% / 9) 100% repeat-x;mask:var(--teeth) 0 0/calc(100% / 9) 100% repeat-x}
  .topbar :focus-visible{outline-color:#fff}
  .menu-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid rgba(255,255,255,.55);border-radius:10px;background:none;color:#fff;font-size:15px;font-weight:500}
  .top-t{min-width:0;overflow:hidden;font-size:15px;font-weight:700;text-overflow:ellipsis;white-space:nowrap}
  .page{padding:18px 16px 30px}
  .strip{flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;scrollbar-width:none}
  .strip::-webkit-scrollbar{display:none}
  .strip .dot{width:44px;min-height:44px}
  .sheet{width:100vw;max-width:100vw;max-height:90vh;margin:auto 0 0;border-radius:16px 16px 0 0}
}
@media print{.side,.topbar,.filters,.strip,.chips{display:none!important}}

/* شارة Netlify العائمة في الزاوية السفلية تغطي آخر القائمة وأسفل الصفحة: مساحة إضافية لتمرير المحتوى فوقها */
.side-nav{padding-bottom:92px}
.page{padding-bottom:92px}

/* اسم المعدّ في الرئيسية وبطاقة التواصل في «المزيد» */
.byline{font-size:14px;color:var(--muted);margin-top:-2px}
.byline strong{color:var(--ink);font-weight:600}
.wa-btn{align-self:flex-start;display:inline-flex;align-items:center;gap:10px;min-height:46px;padding:0 16px;text-decoration:none}
.wa-btn svg{color:#128C5E;flex:none}
body.night .wa-btn svg{color:#63D69E}
.wa-n{font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums;letter-spacing:.02em}

.ask{display:flex;flex-direction:column;gap:6px;padding-top:16px;border-top:1px solid var(--line)}
.ask p{font-size:14.5px;color:var(--muted)}

.nw{white-space:nowrap}

/* ===== المطابقة ===== */
.match{display:flex;flex-direction:column;gap:14px}
.mrows{display:flex;flex-direction:column;gap:10px}
.mrow{display:flex;flex-direction:column;gap:8px;padding:12px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}
.mrow.active{border:2px solid var(--brand);background:var(--tint);padding:11px}
.mterm{display:flex;align-items:flex-start;gap:10px;font-family:var(--text);font-size:19px;font-weight:700;line-height:1.7}
.mn{flex:none;display:grid;place-items:center;width:26px;height:26px;margin-top:5px;border-radius:50%;background:var(--brand);color:#fff;font:600 13px/1 var(--ui)}
.mslot{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:48px;padding:10px 14px;border:1.5px dashed var(--line-strong);border-radius:12px;background:transparent;color:var(--muted);font:inherit;font-size:15px;text-align:start;cursor:pointer}
.mslot.full{border-style:solid;border-color:var(--line-strong);background:var(--paper);color:var(--ink);font-family:var(--text);font-size:17px;line-height:1.7}
.mslot .mx{flex:none;color:var(--muted);font-size:14px}
.mslot:disabled{cursor:default}
.mrow.ok{border-color:var(--ok);background:var(--ok-bg)}
.mrow.ok .mslot.full{border-color:var(--ok);background:transparent}
.mrow.no{border-color:var(--bad);background:var(--bad-bg)}
.mrow.no .mslot.full{border-color:var(--bad);background:transparent}
.mslot .m{flex:none;font-weight:700;font-size:18px}
.mrow.ok .m{color:var(--ok)}.mrow.no .m{color:var(--bad)}
.mpool{display:flex;flex-direction:column;gap:8px}
.mchip{width:100%;min-height:48px;padding:10px 14px;border:1px solid var(--line-strong);border-radius:12px;background:var(--paper);color:var(--ink);font-family:var(--text);font-size:17px;line-height:1.7;text-align:start;cursor:pointer}
.mchip:hover{border-color:var(--brand);background:var(--tint)}
.feedback .pairs{display:flex;flex-direction:column;gap:8px;list-style:none;margin:0;padding:0}
.feedback .pairs li{display:flex;flex-direction:column;gap:2px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.feedback .pairs li:last-child{border-bottom:0;padding-bottom:0}
.feedback .pairs b{font-family:var(--text);font-size:18px}
.feedback .pairs span{font-family:var(--text);font-size:16px;color:var(--muted)}

/* شريط تمرير القائمة الجانبية: رفيع بلون الهوية بدل الشريط الأبيض الافتراضي */
.side-nav{scrollbar-width:thin;scrollbar-color:rgba(255,255,255,.38) transparent;scrollbar-gutter:stable}
.side-nav::-webkit-scrollbar{width:8px}
.side-nav::-webkit-scrollbar-track{background:transparent}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.34);border-radius:8px;border:2px solid transparent;background-clip:content-box}
.side-nav::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.55);background-clip:content-box}

/* القائمة الجانبية: لا تتداخل العناصر عند التفاف الاسم، وروابط الملخص والمزيد مثبّتة أسفلها */
.side-a{flex:none;min-height:40px;padding:7px 10px;align-items:center}
.side-nav{padding-bottom:10px}
.side-lab{padding:10px 10px 4px}
.side-foot{flex:none;display:flex;flex-direction:column;gap:2px;padding:8px 10px 62px;border-top:1px solid rgba(255,255,255,.22)}
.strip .dot{width:36px;min-height:40px}
.strip{gap:5px}

/* السحب والإفلات */
.mchip{display:flex;align-items:center;gap:10px}
.grip{flex:none;display:grid;place-items:center;min-width:28px;min-height:36px;color:var(--muted);font-size:20px;line-height:1;cursor:grab;touch-action:none}
.mchip,.mslot.full{user-select:none;-webkit-user-select:none}
.mslot.full:not(:disabled){cursor:grab}
.mslot.full .mt{flex:1}
.mfloat{position:fixed;z-index:1000;margin:0;pointer-events:none;opacity:.96;border-color:var(--brand) !important;background:var(--paper);box-shadow:0 12px 30px rgba(0,0,0,.28);transform:scale(1.02)}
.lift{opacity:.3}
.mrow.over{border-color:var(--brand);background:var(--tint)}
.mrow.over .mslot{border-color:var(--brand)}
.mpool.over{outline:2px dashed var(--brand);outline-offset:4px;border-radius:12px}
body.dragging,body.dragging *{cursor:grabbing !important;user-select:none}