:root{
  --bg:#f6f4ef;--panel:#fff;--ink:#1d2a2f;--muted:#64737a;--line:#e3e0d8;
  --brand:#0f5f63;--brand-ink:#fff;--accent:#d9822b;--accent-soft:#fbeedd;
  --ok:#1f8a4c;--ok-soft:#e5f5ec;--bad:#c0392b;--bad-soft:#fbe9e6;
  --radius:14px;--side:310px;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#12191b;--panel:#1a2427;--ink:#e8eeef;--muted:#93a4a9;--line:#2a373b;
    --brand:#3aa6aa;--brand-ink:#08191a;--accent:#f0a04b;--accent-soft:#33261a;
    --ok:#4cc582;--ok-soft:#173326;--bad:#ef6f60;--bad-soft:#3a1d19}
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.7 "Segoe UI",Tahoma,system-ui,-apple-system,sans-serif}
button,input{font:inherit;color:inherit}
.app{display:grid;grid-template-columns:var(--side) 1fr;min-height:100vh}
.sidebar{background:var(--panel);border-inline-end:1px solid var(--line);
  position:sticky;top:0;height:100vh;overflow:auto;padding:20px 14px;display:flex;flex-direction:column;gap:12px}
.site-name{font-weight:700;color:inherit;text-decoration:none}
.brand .site-name{display:block;font-size:20px}
.overall{margin:2px 6px 0;color:var(--muted);font-size:14px}
.part{margin:6px 0}
.part>summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  padding:8px 10px;border-radius:10px;font-weight:700;font-size:14px}
.part>summary::-webkit-details-marker{display:none}
.part>summary::before{content:"◂";margin-inline-end:8px;color:var(--muted);font-size:12px}
.part[open]>summary::before{content:"▾"}
.part>summary:hover{background:var(--bg)}
.pcount{font-size:12px;color:var(--muted);font-weight:500}
.item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;
  text-decoration:none;color:inherit;border:1px solid transparent}
.item:hover{background:var(--bg)}
.item.active{background:var(--accent-soft);border-color:var(--accent)}
.item.practice{border-inline-start:4px solid var(--brand);background:color-mix(in srgb,var(--brand) 9%,transparent)}
.item.practice .badge{background:var(--brand);color:var(--brand-ink)}
.item.soon{opacity:.5;pointer-events:none}
.badge{flex:none;min-width:62px;text-align:center;font-size:12px;font-weight:700;
  padding:2px 8px;border-radius:999px;background:var(--bg);color:var(--muted);direction:ltr}
.item.active .badge{background:var(--accent);color:#fff}
.ititle{flex:1;font-size:14px;line-height:1.4;direction:ltr;text-align:start}
.mark{flex:none;font-size:12px;color:var(--ok);font-weight:700;direction:ltr}
.mark.seen{color:var(--muted)}
.reset{margin-top:auto;align-self:flex-start;background:none;border:1px solid var(--line);
  color:var(--muted);border-radius:10px;padding:6px 12px;cursor:pointer}
.reset:hover{color:var(--bad);border-color:var(--bad)}
.main{padding:28px clamp(16px,4vw,48px) 40px;max-width:900px;width:100%;margin-inline:auto;outline:none}
.topbar,.scrim{display:none}
.hero .tag{display:inline-block;direction:ltr;background:var(--accent);color:#fff;font-weight:700;
  font-size:13px;padding:2px 12px;border-radius:999px}
.hero h1{margin:10px 0 4px;font-size:clamp(24px,4vw,34px);line-height:1.25;direction:ltr;text-align:right}
.hero p{margin:0;color:var(--muted)}
section{margin-top:30px}
section>h3{font-size:18px;margin:0 0 12px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.points{margin:0;padding-inline-start:20px}
.points li{margin:6px 0}
.sentlist{display:grid;gap:10px}
.card.sent{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 16px;padding:12px 16px}
.stext{display:flex;flex-wrap:wrap;align-items:baseline;gap:2px 14px;min-width:0}
.stext .ar{flex-basis:100%}
.sbtns{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.sbtns .btn{padding:4px 12px;white-space:nowrap}
@media (max-width:600px){.card.sent{grid-template-columns:1fr}.sbtns{justify-content:flex-start}}
.shead{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px}
.shead h3{font-size:18px;margin:0}
.card.sent.playing{border-color:var(--brand);box-shadow:0 0 0 2px color-mix(in srgb,var(--brand) 35%,transparent)}
.btn.playing{background:var(--accent);border-color:var(--accent);color:#fff}
.sent .es{font-size:clamp(20px,3vw,24px);font-weight:600;margin:0;line-height:1.4;direction:ltr;text-align:start}
.hl{color:var(--accent);border-bottom:3px solid var(--accent)}
.sent .ar{margin:4px 0 0;color:var(--ink)}
.sent .note{margin:0;color:var(--muted);font-size:13px}
.row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.btn{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:6px 14px;cursor:pointer}
a.btn{display:inline-block;color:var(--ink);text-decoration:none}
.btn:hover{border-color:var(--brand)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn:focus-visible,.item:focus-visible,.chip:focus-visible,.opt:focus-visible,input:focus-visible,.menu-btn:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
table{width:100%;border-collapse:collapse;direction:ltr}
th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:start}
th{font-size:14px;color:var(--muted)}
.q{margin-bottom:14px}
.q .prompt{font-weight:700;margin:0 0 10px}
.q .num{color:var(--muted);font-weight:600;margin-inline-end:6px}
.opts{display:grid;gap:8px}
.opt{display:block;width:100%;text-align:start;direction:ltr;border:2px solid var(--line);
  background:var(--panel);border-radius:12px;padding:10px 14px;cursor:pointer;font-size:18px}
.opt:hover{border-color:var(--brand)}
.opt[aria-pressed="true"]{border-color:var(--brand);background:var(--bg)}
.opt.good{border-color:var(--ok);background:var(--ok-soft)}
.opt.bad{border-color:var(--bad);background:var(--bad-soft)}
.line{min-height:52px;border:2px dashed var(--line);border-radius:12px;padding:8px;display:flex;
  flex-wrap:wrap;gap:8px;direction:ltr;align-items:center}
.pool{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px;direction:ltr}
.chip{border:2px solid var(--brand);background:var(--panel);color:var(--ink);border-radius:10px;
  padding:6px 12px;font-size:18px;cursor:pointer}
.write{width:100%;direction:ltr;font-size:20px;padding:10px 14px;border:2px solid var(--line);
  border-radius:12px;background:var(--panel)}
.keys{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px;direction:ltr}
.keys .btn{padding:2px 12px;font-size:18px}
.fb{margin-top:10px;padding:10px 14px;border-radius:12px;display:none}
.fb.show{display:block}
.fb.ok{background:var(--ok-soft);border:1px solid var(--ok)}
.fb.no{background:var(--bad-soft);border:1px solid var(--bad)}
.fb .ans{direction:ltr;text-align:start;font-weight:700;font-size:18px;margin:2px 0}
.summary{text-align:center}
.summary .score{font-size:40px;font-weight:800;color:var(--brand);direction:ltr}
.video{height:min(70vh,640px);aspect-ratio:9/16;width:auto;max-width:100%;margin-inline:auto;display:block;border:0;border-radius:var(--radius);background:#000}
@media (min-width:1100px){
  .split{display:grid;grid-template-columns:auto 1fr;gap:0 28px;align-items:start}
  .split .video{height:min(62vh,620px);margin-inline:0}
}
.ads-section{margin:44px 0;text-align:center;min-height:90px}
.ads-label{display:block;font-size:12px;color:var(--muted);margin-bottom:6px}
.pager{display:flex;justify-content:space-between;gap:12px;margin-top:36px;flex-wrap:wrap}
.pager>*{flex:1;min-width:200px}
.pager a{text-decoration:none;color:inherit}
.pager .card{height:100%}
.pager small{color:var(--muted)}
.pager .dis{opacity:.45}
.soonbox{text-align:center;padding:48px 16px;color:var(--muted)}
.brand-row{display:flex;align-items:center;gap:10px}
.brand-text{flex:1;min-width:0;line-height:1.3}
.brand-text .site-name{white-space:nowrap;margin:0 6px}
.brand .by{display:block;font-size:12px;color:var(--muted);margin:0 6px}
.logo{display:block;width:44px;height:44px;border-radius:50%;background:#f3eee4}
.logo.sm{width:32px;height:32px}
.logo-link{flex:none;border-radius:50%}
.logo-link:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.content{min-width:0;display:flex;flex-direction:column}
.site-footer{margin-top:auto;width:100%;max-width:900px;margin-inline:auto;padding:20px clamp(16px,4vw,48px) 28px;
  border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 20px;
  color:var(--muted);font-size:14px}
.site-footer p{margin:0}
.site-footer a{color:var(--brand)}
.foot-brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.foot-brand span{display:flex;flex-direction:column;line-height:1.25}
.foot-brand strong{color:var(--ink)}
.foot-brand small{color:var(--muted)}
.bg{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.pin{flex:none;background:none;border:1px solid var(--line);color:var(--muted);border-radius:10px;
  padding:2px 10px;font-size:13px;cursor:pointer}
.pin:hover{color:var(--ink);border-color:var(--brand)}
.pin[hidden]{display:none}
/* وضع الدرج: الشاشات الضيقة، أو الشريط مطوي على الشاشات الواسعة (الفئة يضعها app.js) */
body.drawer .app{display:block}
body.drawer .topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:5;
  background:var(--panel);border-bottom:1px solid var(--line);padding:10px 14px}
body.drawer .menu-btn{border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:4px 12px;font-size:20px;cursor:pointer}
body.drawer .sidebar{position:fixed;top:0;bottom:0;inset-inline-start:0;width:min(86vw,330px);height:auto;z-index:20;
  transform:translateX(100%);transition:transform .2s}
body.drawer .sidebar.open{transform:none}
body.drawer .scrim.show{display:block;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:10}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* محتوى ثابت من build.py (يظهر قبل JS وللزاحف) */
.static-nav{list-style:none;margin:0;padding:0 6px;font-size:14px}
.static-nav li{padding:4px 0}
.static-nav .soon,.alllist .soon{color:var(--muted)}
.static-opts{margin:0;padding-inline-start:20px;direction:ltr;text-align:start;color:var(--muted)}
.homelist{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.homecard{display:flex;flex-direction:column;gap:6px;text-decoration:none;color:inherit}
.homecard:hover{border-color:var(--brand)}
.homecard .badge{align-self:flex-start;background:var(--accent);color:#fff}
.homecard.practice .badge{background:var(--brand);color:var(--brand-ink)}
.homecard strong{font-size:18px;text-align:start}
.homecard span:last-child{color:var(--muted);font-size:14px}
.alllist{list-style:none;margin:0;padding:0}
.alllist li{display:flex;align-items:center;gap:12px;padding:7px 0;border-bottom:1px solid var(--line)}
.alllist li:last-child{border-bottom:0}
.alllist li>[lang]{flex:1;text-align:right}
.alllist .badge.practice{background:var(--brand);color:var(--brand-ink)}
.alllist a{color:var(--brand);font-weight:600}
.alllist small{flex:none;color:var(--muted)}
.hero h1:not([lang]){direction:rtl}
.draft-banner{background:var(--accent);color:#fff;text-align:center;font-weight:700;padding:6px 12px;font-size:14px}
/* بطاقات التحدي (صفحات PRÁCTICA) */
.chal .cprompt{font-weight:700;font-size:17px;margin:0 0 10px}
.chal .num{color:var(--muted);font-weight:600;margin-inline-end:6px}
.chal .try{width:100%;direction:ltr;font-size:18px;padding:8px 12px;border:2px solid var(--line);border-radius:12px;background:var(--panel)}
.chal .reveal{margin-top:10px;padding:10px 14px;border-radius:12px;background:var(--bg);border:1px solid var(--line)}
.chal .reveal .es{font-size:clamp(20px,3vw,24px);font-weight:600;margin:0;direction:ltr;text-align:start}
.chal .reveal .verdict{margin:0 0 4px;font-weight:700}
.chal .reveal .verdict.ok{color:var(--ok)}
.chal .reveal .verdict.no{color:var(--bad)}
.chal details summary{cursor:pointer;color:var(--brand);font-weight:600}
.draft-flags{max-width:900px;margin:12px auto 0;padding:10px 16px;border:2px dashed var(--accent);border-radius:12px;background:var(--accent-soft);font-size:14px;width:calc(100% - 32px)}
.draft-flags ul{margin:4px 0 0;padding-inline-start:20px}
/* أجزاء "كل حلقات السلسلة" في الصفحة الرئيسية: لون لكل جزء */
:root{--part1:#2f7fd1;--part2:#8a5bd6;--part3:#2e9a66;--part4:#cf4f76;--part5:#c27c0e;--part6:#0f8a9c;--part7:#5b6bd8;--part8:#b85c38}
@media (prefers-color-scheme:dark){:root{--part1:#6aa9ee;--part2:#b28ef0;--part3:#5cc995;--part4:#ef809f;--part5:#e8ac4a;--part6:#4fc3d2;--part7:#8f9cf2;--part8:#e3906c}}
.homeparts{display:grid;gap:10px}
.homepart{--pc:var(--part1);background:var(--panel);border:1px solid var(--line);border-inline-start:6px solid var(--pc);border-radius:var(--radius);overflow:hidden}
.homepart.part-2{--pc:var(--part2)}
.homepart.part-3{--pc:var(--part3)}
.homepart.part-4{--pc:var(--part4)}
.homepart.part-5{--pc:var(--part5)}
.homepart.part-6{--pc:var(--part6)}
.homepart.part-7{--pc:var(--part7)}
.homepart.part-8{--pc:var(--part8)}
.homepart>summary{list-style:none;cursor:pointer;display:flex;flex-wrap:wrap;align-items:center;gap:4px 14px;padding:12px 16px;
  background:color-mix(in srgb,var(--pc) 16%,var(--panel))}
.homepart>summary::-webkit-details-marker{display:none}
.homepart>summary::after{content:"◂";margin-inline-start:auto;color:var(--pc);font-size:20px;line-height:1}
.homepart[open]>summary::after{content:"▾"}
.homepart[open]>summary{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--pc) 9%,var(--panel))}
.homepart>summary:hover{background:color-mix(in srgb,var(--pc) 24%,var(--panel))}
.homepart>summary:focus-visible{outline:3px solid var(--accent);outline-offset:-3px}
.homepart .pname{font-weight:800;color:var(--pc);font-size:17px}
.homepart .prange{font-size:13px;color:var(--ink);font-weight:600}
.homepart .pmeta{font-size:13px;color:var(--muted)}
.homepart .alllist{padding:4px 16px 8px}
.alllist li.done::after{content:"✓";color:var(--ok);font-weight:700;flex:none}
/* اختبارات نهاية الأجزاء */
.item.test{border:1px dashed var(--line);margin-top:4px}
.item.test .badge{background:none;min-width:62px;font-size:16px}
.alllist li.testrow{border-top:2px solid color-mix(in srgb,var(--pc,var(--brand)) 35%,transparent)}
.alllist li.testrow a{color:var(--pc,var(--brand));font-weight:700}
.badge.test{background:none;font-size:16px}
.opt.ar{direction:rtl;text-align:right;font-size:17px}
.static-opts li[lang="es"]{text-align:left}
.q .listen{margin:0 0 10px}
.dlg{margin-bottom:14px;border-inline-start:4px solid var(--accent)}
.dlg .prompt{font-weight:700;margin:0 0 10px}
.dlines{display:grid;gap:8px;margin-top:12px}
.dlines[hidden]{display:none}
.dline{display:flex;gap:10px;align-items:flex-start;padding:6px 10px;border-radius:10px}
.dline.playing{outline:2px solid var(--accent);background:var(--accent-soft)}
.dline .who{flex:none;min-width:52px;font-weight:700;color:var(--brand)}
.dline .es,.dline .ar{margin:0}
.dline .es{text-align:left}
.dline .ar{color:var(--muted);margin-top:2px}
.dlg details summary{cursor:pointer;color:var(--muted)}
.qimg{margin:0 0 12px}
.qimg img{display:block;width:100%;max-width:480px;height:auto;margin-inline:auto;border-radius:12px;border:1px solid var(--line)}
/* شريط التوجيه بدل القفل */
.guide{display:flex;align-items:flex-start;gap:10px;margin:0 0 18px;padding:10px 14px;border-radius:12px;
  background:var(--accent-soft);border:1px solid var(--accent)}
.guide p{margin:0;flex:1}
.guide a{color:var(--brand);font-weight:700}
.guide-x{flex:none;background:none;border:0;color:var(--muted);font-size:16px;cursor:pointer;padding:0 4px}
.guide-x:hover{color:var(--ink)}