:root{
  --navy:#1a365d;
  --navy-2:#27496f;
  --gold:#d4af37;
  --bg:#f4f7f6;
  --card:#fff;
  --text:#1f2937;
  --muted:#64748b;
  --line:#dbe4ec;
  --ok:#137333;
  --ok-bg:#eaf7ee;
  --bad:#b42318;
  --bad-bg:#fff0ee;
  --soft:#f8fafc;
  --shadow:0 8px 24px rgba(15,23,42,.07);
}
*{box-sizing:border-box}
button,input,select,textarea{font-family:inherit;font-weight:700}
button{min-height:44px}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Sakkal Majalla","Traditional Arabic","Noto Naskh Arabic","Segoe UI",Tahoma,Arial,sans-serif;font-weight:700;font-size:18px;background:var(--bg);color:var(--text);direction:rtl;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit}
.topbar{background:var(--navy);color:#fff;padding:13px 20px;box-shadow:0 2px 8px rgba(0,0,0,.08)}
.topbar-inner{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{font-weight:800;font-size:23px;text-decoration:none}.brand span{color:var(--gold)}
.back-link{font-size:16px;color:#fff;text-decoration:none;opacity:.92}.back-link:hover{opacity:1}
.page{max-width:1180px;margin:0 auto;padding:28px 18px 56px}
.hero{text-align:center;margin-bottom:26px}.eyebrow{color:var(--gold);font-weight:800;margin-bottom:6px}.hero h1{margin:0;color:var(--navy);font-size:38px;font-weight:800}.hero p{margin:8px auto 0;color:#596879;max-width:780px;line-height:1.75;font-size:19px;font-weight:700}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.card-link{display:block;background:var(--card);border:1px solid var(--line);border-top:5px solid var(--navy);border-radius:16px;padding:24px;text-decoration:none;box-shadow:var(--shadow);transition:.12s transform,.12s border-color}
.card-link:hover{transform:translateY(-4px);border-top-color:var(--gold)}
.card-link h2,.card-link h3{color:var(--navy);margin:0 0 8px;font-size:28px;font-weight:800}
.card-link p{color:#596879;line-height:1.7;margin:0;font-size:18px;font-weight:700}
.arrow{margin-top:18px;color:var(--gold);font-weight:800}
.breadcrumb{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-size:14px;margin-bottom:14px}
.breadcrumb a{text-decoration:none;color:var(--navy)}
.lesson-head{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow);margin-bottom:14px}
.lesson-head h1{margin:0 0 5px;color:var(--navy);font-size:32px;font-weight:800}
.lesson-head p{margin:0;color:#596879;line-height:1.65;font-size:18px;font-weight:700}
.activity-tabs{
  display:flex;
  gap:8px;
  overflow:auto;
  padding:8px 0 10px;
  margin-bottom:8px;
  scrollbar-width:thin;
  position:sticky;
  top:0;
  z-index:5;
  background:linear-gradient(var(--bg) 78%,rgba(244,247,246,0));
}
.activity-tab{
  white-space:nowrap;
  border:1px solid var(--line);
  background:#fff;
  border-radius:999px;
  padding:9px 14px;
  cursor:pointer;
  color:var(--navy);
  font-weight:700;
  box-shadow:0 2px 6px rgba(15,23,42,.04);
}
.activity-tab.active{background:var(--navy);color:#fff;border-color:var(--navy)}
.activity-intro{
  background:#fff8df;
  border:1px solid #eedb91;
  border-radius:11px;
  padding:10px 13px;
  margin:0 0 12px;
  color:#66551a;
  line-height:1.65;
  font-size:16px;
  font-weight:700;
}
.progress{height:6px;background:#e8edf3;border-radius:999px;overflow:hidden;margin-bottom:16px}
.progress>span{display:block;height:100%;background:var(--gold);transition:width .2s}
.question-wrap{
  background:transparent;
  border:0;
  border-radius:0;
  box-shadow:none;
  padding:0;
}
.question-list{display:grid;gap:14px}
.question-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  padding:17px 18px;
  box-shadow:0 3px 10px rgba(15,23,42,.045);
  content-visibility:auto;
  contain-intrinsic-size:260px;
}
.question-card-head{
  display:flex;
  justify-content:space-between;
  gap:12px;
  align-items:flex-start;
  padding-bottom:11px;
  margin-bottom:12px;
  border-bottom:1px solid #edf1f5;
}
.q-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0}
.q-number{font-weight:800;color:var(--navy);font-size:15px}
.q-kind{font-size:13px;background:#eef4fb;color:var(--navy);padding:5px 9px;border-radius:999px;font-weight:700}
.q-state{font-size:13px;color:#7c8796;background:#f1f5f9;border-radius:999px;padding:5px 9px;white-space:nowrap}
.q-state.done{color:var(--ok);background:var(--ok-bg)}
.question{font-size:18px;font-weight:800;line-height:1.75;margin:0 0 14px;color:#172033}
.question-body{min-width:0}
.options{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:9px;
}
.option-btn{
  width:100%;
  text-align:right;
  border:1px solid #cbd5e1;
  background:#fff;
  border-radius:10px;
  padding:11px 13px;
  font-size:18px;
  line-height:1.55;
  cursor:pointer;
  transition:.1s ease;
}
.option-btn:hover:not(:disabled){border-color:var(--navy);background:#f8fbff}
.option-btn.correct{border-color:#78b98a;background:var(--ok-bg);color:var(--ok)}
.option-btn.wrong{border-color:#df8d86;background:var(--bad-bg);color:var(--bad)}
.option-btn:disabled{cursor:default}
.feedback{margin-top:10px;border-radius:10px;padding:10px 12px;line-height:1.65;display:none;font-size:16px;font-weight:700}
.feedback.show{display:block}.feedback.ok{background:var(--ok-bg);color:var(--ok)}.feedback.bad{background:var(--bad-bg);color:var(--bad)}
.multi-actions,.essay-actions,.match-actions{margin-top:11px;display:flex;gap:9px;flex-wrap:wrap}
.primary,.secondary{border:0;border-radius:9px;padding:9px 14px;font-weight:800;cursor:pointer}
.primary{background:var(--navy);color:#fff}
.secondary{background:#eef2f6;color:var(--navy);border:1px solid #d8e0e8}
.primary:disabled{opacity:.5;cursor:not-allowed}
.multi-option{
  display:flex;
  gap:9px;
  align-items:flex-start;
  border:1px solid #cbd5e1;
  background:#fff;
  border-radius:10px;
  padding:10px 12px;
  cursor:pointer;
  line-height:1.55;
}
.multi-option input{margin-top:5px;transform:scale(1.08)}
.multi-option.correct{border-color:#78b98a;background:var(--ok-bg)}
.multi-option.wrong{border-color:#df8d86;background:var(--bad-bg)}
.class-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(285px,1fr));
  gap:10px;
}
.facet{
  border:1px solid var(--line);
  border-radius:12px;
  padding:11px;
  background:var(--soft);
}
.facet-title{font-weight:800;color:var(--navy);margin-bottom:8px;font-size:18px}
.facet-options{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.facet-btn{
  border:1px solid #cbd5e1;
  border-radius:9px;
  background:#fff;
  padding:9px 8px;
  cursor:pointer;
  font-weight:700;
  min-height:40px;
}
.facet-btn.correct{background:var(--ok-bg);border-color:#78b98a;color:var(--ok)}
.facet-btn.wrong{background:var(--bad-bg);border-color:#df8d86;color:var(--bad)}
.facet-note{font-size:15px;margin-top:7px;display:none;line-height:1.55}
.facet-note.show{display:block;color:var(--bad)}
.essay-box{
  width:100%;
  min-height:105px;
  border:1px solid #cbd5e1;
  border-radius:10px;
  padding:12px;
  font:inherit;
  line-height:1.7;
  resize:vertical;
}
.answer-model{display:none;margin-top:11px;background:#f3f7fb;border-right:4px solid var(--navy);padding:12px;border-radius:9px;line-height:1.75}
.answer-model.show{display:block}
.student-answer{display:none;margin-top:10px;padding:11px;background:#fff;border:1px dashed #b7c4d2;border-radius:9px;white-space:pre-wrap}
.student-answer.show{display:block}
.match-list{display:grid;gap:9px}
.match-row{
  display:grid;
  grid-template-columns:minmax(0,1.8fr) minmax(160px,1fr);
  gap:10px;
  align-items:center;
  border:1px solid var(--line);
  border-radius:10px;
  padding:10px;
  background:var(--soft);
}
.match-row select{width:100%;padding:9px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;font:inherit}
.match-result{grid-column:1/-1;font-size:15px;display:none}
.match-result.show{display:block}.match-result.ok{color:var(--ok)}.match-result.bad{color:var(--bad)}
.nav-row,.nav-btn{display:none!important}
.footer-note{text-align:center;color:#6b7787;font-size:15px;font-weight:700;margin-top:22px}
@media(max-width:760px){
  .page{padding:22px 11px 44px}
  .lesson-head{padding:15px}
  .lesson-head h1{font-size:25px}
  .question-card{padding:14px 13px}
  .question{font-size:18px}
  .options{grid-template-columns:1fr}
  .class-grid{grid-template-columns:1fr}
  .match-row{grid-template-columns:1fr}
  .question-card-head{align-items:center}
}
@media(max-width:420px){
  .facet-options{grid-template-columns:1fr 1fr}
  .activity-tab{padding:8px 12px;font-size:13px}
  .q-state{display:none}
}

/* تحسين وضوح النقر والسرعة البصرية */
.activity-tab,.option-btn,.facet-btn,.primary,.secondary,.card-link{touch-action:manipulation}
.activity-tab:focus-visible,.option-btn:focus-visible,.facet-btn:focus-visible,.primary:focus-visible,.secondary:focus-visible,.card-link:focus-visible{outline:3px solid rgba(212,175,55,.45);outline-offset:2px}
@media (prefers-reduced-motion: reduce){
  *{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}