:root{
  --cream:#f7f4ec;
  --paper:#ffffff;
  --ink:#12312b;
  --ink-soft:#5f6f69;
  --emerald:#0e7c66;
  --emerald-deep:#0b5f50;
  --gold:#c9a227;
  --gold-soft:#f0e2b8;
  --line:#e7e1d2;
  --ok:#12836a;
  --ok-bg:#e6f6f0;
  --bad:#c04a38;
  --bad-bg:#fbeae6;
  --shadow:0 1px 2px rgba(18,49,43,.05), 0 14px 34px -22px rgba(18,49,43,.45);
  --radius:22px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  font-family:'Tajawal',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(820px 560px at 92% -6%, #dff2ec 0%, rgba(223,242,236,0) 62%),
    radial-gradient(680px 480px at 4% 104%, #f7ebca 0%, rgba(247,235,202,0) 62%),
    var(--cream);
  min-height:100vh;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
button,input{font-family:inherit}
button{user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}
h1,h2,h3,h4,p{margin:0}

/* ---------- خلفية زخرفية ---------- */
.bg-decor{position:fixed;inset:0;pointer-events:none;z-index:0;overflow:hidden}
.blob{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55}
.blob-1{width:340px;height:340px;background:#cfeee4;top:-120px;inset-inline-end:-90px}
.blob-2{width:300px;height:300px;background:#f6e7bd;bottom:-120px;inset-inline-start:-90px}
.molecule{position:absolute;color:#0e7c66;opacity:.16;display:block}
.molecule svg{width:100%;height:100%}
.mol-1{width:170px;height:170px;top:8%;inset-inline-start:-40px;animation:floatSlow 16s ease-in-out infinite}
.mol-2{width:130px;height:130px;bottom:12%;inset-inline-end:-24px;color:#c9a227;opacity:.22;animation:floatSlow 21s ease-in-out infinite reverse}
@keyframes floatSlow{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-18px) rotate(6deg)}}

/* ---------- الشاشات ---------- */
.screen{display:none;position:relative;z-index:1}
.screen.active{display:block;animation:fadeUp .45s cubic-bezier(.22,.9,.3,1) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
@keyframes pop{0%{opacity:0;transform:scale(.96)}100%{opacity:1;transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-6px)}40%{transform:translateX(6px)}60%{transform:translateX(-4px)}80%{transform:translateX(4px)}}
.hidden{display:none !important}

.wrap{max-width:720px;margin:0 auto;padding:26px 18px 56px}

/* ---------- الشاشة الأولى ---------- */
.hero{margin:0 0 20px;border-radius:26px;overflow:hidden;border:1px solid #ece4d1;background:linear-gradient(150deg,#e7f5f0 0%,#fbf7ea 55%,#f0e2b8 100%);box-shadow:0 26px 50px -34px rgba(18,49,43,.7)}
.hero-art{display:block;width:100%;height:auto;aspect-ratio:16/9}
.kicker{font-size:12.5px;font-weight:700;letter-spacing:.01em;color:#0e7c66;text-align:center;background:#e7f5f0;border:1px solid #cfe9e0;display:block;width:fit-content;margin:0 auto;padding:5px 14px;border-radius:999px}
.app-title{font-size:clamp(30px,9vw,44px);font-weight:800;text-align:center;line-height:1.25;margin-top:14px;letter-spacing:-.01em;
  background:linear-gradient(150deg,#0f8a71 0%, #0b5f50 55%, #14795f 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.app-sub{text-align:center;font-size:17px;color:#a1832c;font-weight:700;margin-top:2px}
.app-sub::before,.app-sub::after{content:"·";margin:0 8px;color:#d8c791}

.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.welcome-card{padding:22px 20px 20px;margin-top:22px}

.field-label{display:block;font-size:14px;font-weight:700;color:#3d524c;margin-bottom:8px}
.field{width:100%;min-height:56px;padding:13px 16px;border-radius:16px;border:1.5px solid var(--line);background:#fffdf8;font-size:17px;color:var(--ink);outline:none;transition:border-color .2s,box-shadow .2s}
.field::placeholder{color:#a9b2ad;font-weight:500}
.field:focus{border-color:var(--emerald);box-shadow:0 0 0 4px rgba(14,124,102,.13);background:#fff}
.field.error{border-color:var(--bad);box-shadow:0 0 0 4px rgba(192,74,56,.13);animation:shake .35s}
.field-error{color:var(--bad);font-size:13.5px;font-weight:700;margin-top:8px}

.mt{margin-top:20px}

.class-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.class-pill{min-height:58px;border-radius:16px;border:1.5px solid var(--line);background:#fffdf8;color:#3d524c;font-weight:700;font-size:16px;cursor:pointer;transition:transform .15s ease,border-color .2s,background .2s,box-shadow .2s}
.class-pill:active{transform:scale(.97)}
.class-pill.selected{border-color:var(--emerald);background:linear-gradient(160deg,#e9f7f2,#d8efe8);color:var(--emerald-deep);box-shadow:0 0 0 3px rgba(14,124,102,.13)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:54px;padding:0 22px;border-radius:16px;border:0;font-size:17px;font-weight:700;cursor:pointer;transition:transform .14s ease,box-shadow .2s ease,background .2s,opacity .2s}
.btn svg{width:20px;height:20px;flex:0 0 auto}
.btn:active{transform:scale(.975)}
.btn:focus-visible{outline:3px solid #0e7c66;outline-offset:3px}
.btn-primary{background:linear-gradient(160deg,#12957b,#0b5f50);color:#fff;box-shadow:0 14px 26px -16px rgba(11,95,80,.95)}
.btn-primary:hover{filter:brightness(1.05)}
.btn-primary:disabled{background:#d3dbd7;color:#8b9894;box-shadow:none;cursor:progress}
.btn-ghost{background:#fff;color:var(--emerald-deep);border:1.5px solid var(--line)}
.btn-ghost:hover{background:#fbf9f2;border-color:#d9d0ba}
.btn-gold{background:linear-gradient(160deg,#e5c258,#c9a227);color:#3b2c00;box-shadow:0 14px 26px -18px rgba(201,162,39,1)}
.btn-gold:hover{filter:brightness(1.04)}
.btn-block{display:flex;width:100%}
.btn-sm{min-height:46px;padding:0 16px;font-size:15px;border-radius:14px}
.hint{font-size:12.5px;color:#8b9791;text-align:center;margin-top:14px;line-height:1.8}

/* ---------- شاشة الفصول ---------- */
.top-bar{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:22px;padding:14px 16px;box-shadow:var(--shadow)}
.avatar{width:52px;height:52px;border-radius:50%;flex:0 0 auto;display:grid;place-items:center;font-weight:800;font-size:22px;color:#fff;background:linear-gradient(150deg,#12a184,#0b5f50);box-shadow:0 8px 18px -10px rgba(11,95,80,.9)}
.top-bar-text{flex:1;min-width:0}
.top-bar-text h2{font-size:18px;font-weight:800;line-height:1.4;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.muted-sm{font-size:12.5px;color:#788a84;line-height:1.6}
.icon-btn{width:46px;height:46px;flex:0 0 auto;border-radius:14px;border:1.5px solid var(--line);background:#fffdf8;color:#3d524c;display:grid;place-items:center;cursor:pointer;transition:.18s}
.icon-btn svg{width:20px;height:20px}
.icon-btn:hover{background:#f4f1e7;border-color:#d9d0ba}
.icon-btn:active{transform:scale(.94)}
.icon-btn.small{width:42px;height:42px;border-radius:12px}

.section-head{margin:26px 0 14px}
.section-head h3{font-size:20px;font-weight:800}
.section-head p{margin-top:2px}

.chapter-grid{display:grid;gap:12px}
@media(min-width:620px){.chapter-grid{grid-template-columns:1fr 1fr}}
.chapter-card{display:flex;align-items:center;gap:14px;width:100%;text-align:right;padding:15px 16px;border-radius:20px;background:#fff;border:1.5px solid var(--line);box-shadow:var(--shadow);cursor:pointer;transition:transform .18s ease,border-color .2s,box-shadow .25s}
.chapter-card:hover{transform:translateY(-2px);border-color:#dbd2bc}
.chapter-card:active{transform:scale(.985)}
.chapter-card:focus-visible{outline:3px solid var(--ch,#0e7c66);outline-offset:3px}
.chapter-icon{width:56px;height:56px;flex:0 0 auto;border-radius:18px;display:grid;place-items:center;background:var(--ch-soft,#e2f3ee);color:var(--ch,#0e7c66)}
.chapter-icon svg{width:28px;height:28px}
.chapter-body{flex:1;min-width:0;display:block}
.chapter-order{display:block;font-size:11.5px;font-weight:700;color:var(--ch,#0e7c66);letter-spacing:.01em}
.chapter-title{display:block;font-size:16.5px;font-weight:800;color:var(--ink);line-height:1.45;margin-top:1px}
.chapter-meta{display:block;font-size:12px;color:#8b9791;margin-top:2px}
.chapter-best{display:flex;align-items:center;gap:8px;margin-top:8px}
.chapter-best.is-empty{font-size:11.5px;color:#a8b0ab;font-weight:600}
.mini-bar{flex:1;max-width:120px;height:6px;border-radius:999px;background:#eeece2;overflow:hidden;display:block}
.mini-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,#12a184,#0b5f50)}
.chapter-best b{font-size:12.5px;color:var(--ch,#0e7c66);font-weight:800}
.chapter-arrow{width:20px;height:20px;flex:0 0 auto;color:#b9c2bd}

.count-box{margin:0 0 16px;padding:14px 16px 13px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
.count-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#3d524c;margin-bottom:10px}
.count-label svg{width:17px;height:17px;color:var(--emerald);flex:0 0 auto}
.count-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.count-chip{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;min-height:58px;border-radius:16px;border:1.5px solid var(--line);background:#fffdf8;color:#3d524c;cursor:pointer;font-family:inherit;transition:transform .15s ease,border-color .2s,background .2s,box-shadow .2s}
.count-chip b{font-size:17px;font-weight:800;line-height:1.15}
.count-chip span{font-size:11px;font-weight:600;color:#8b9791}
.count-chip:active{transform:scale(.97)}
.count-chip:focus-visible{outline:3px solid var(--emerald);outline-offset:2px}
.count-chip.selected{border-color:var(--emerald);background:linear-gradient(160deg,#e9f7f2,#d8efe8);color:var(--emerald-deep);box-shadow:0 0 0 3px rgba(14,124,102,.13)}
.count-chip.selected span{color:#0b6b58}
.count-hint{font-size:12px;color:#8b9791;margin-top:10px;line-height:1.7;text-align:center}
.chapter-session{display:block;font-size:11.5px;font-weight:700;color:#8a6a12;background:#fdf3dd;border:1px solid #efdfb4;border-radius:999px;padding:2px 9px;width:fit-content;margin-top:6px}

.summary-card{display:flex;align-items:center;gap:14px;justify-content:space-between;margin-top:22px;padding:16px;border-radius:20px;background:linear-gradient(150deg,#ffffff,#fbf7ea);border:1px solid var(--line);box-shadow:var(--shadow)}
.summary-title{font-weight:800;font-size:15px}
.footer-note{text-align:center;font-size:12px;color:#9aa59f;margin-top:22px}

/* ---------- شاشة الاختبار ---------- */
.quiz-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.quiz-head-text{flex:1;min-width:0}
.quiz-head-text .muted-sm{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.quiz-progress-text{font-size:14.5px;font-weight:800;color:var(--ink)}
.score-chip{display:flex;align-items:center;gap:7px;padding:8px 14px;border-radius:999px;background:#e7f5f0;border:1px solid #cfe9e0;color:var(--emerald-deep);font-weight:800;font-size:15px;flex:0 0 auto}
.score-chip .dot{width:8px;height:8px;border-radius:50%;background:#12a184;display:block}
.progress-track{height:8px;border-radius:999px;background:#eae6d9;overflow:hidden;margin-bottom:18px}
.progress-fill{height:100%;width:0%;border-radius:999px;background:linear-gradient(90deg,#12a184,#0b5f50);transition:width .35s cubic-bezier(.3,.9,.3,1)}

.question-card{padding:20px 18px 22px}
.q-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
.tag{font-size:11.5px;font-weight:800;padding:5px 12px;border-radius:999px;border:1px solid transparent;display:inline-block}
.tag-book{background:#eaf6f2;color:#0b6b58;border-color:#cfe9e0}
.tag-tahsil{background:#fdf3dd;color:#8a6a12;border-color:#efdfb4}
.q-text{font-size:18.5px;font-weight:800;line-height:1.75;color:#14332c}
.options{display:grid;gap:10px;margin-top:18px}
.option{display:flex;align-items:center;gap:12px;width:100%;min-height:58px;padding:12px 14px;border-radius:16px;border:1.5px solid var(--line);background:#fffdf8;color:#22423a;font-size:15.5px;font-weight:500;text-align:right;cursor:pointer;transition:border-color .18s,background .18s,transform .14s ease,opacity .25s;line-height:1.6}
.option .letter{width:34px;height:34px;flex:0 0 auto;border-radius:11px;background:#f1ece0;color:#7d7259;display:grid;place-items:center;font-weight:800;font-size:14px;transition:.18s}
.option .option-text{flex:1;min-width:0}
.option:not(:disabled):hover{border-color:#cdc4ad;background:#fff}
.option:not(:disabled):active{transform:scale(.988)}
.option:focus-visible{outline:3px solid #0e7c66;outline-offset:2px}
.option.correct{border-color:var(--ok);background:var(--ok-bg);color:#0a5d4c;font-weight:700}
.option.correct .letter{background:var(--ok);color:#fff}
.option.wrong{border-color:var(--bad);background:var(--bad-bg);color:#8f3626;font-weight:700}
.option.wrong .letter{background:var(--bad);color:#fff}
.option:disabled{cursor:default}
.option.dimmed{opacity:.5}

.feedback{margin-top:16px;padding:14px 16px;border-radius:16px;animation:pop .28s ease both}
.feedback.ok{background:var(--ok-bg);border:1.5px solid #b7e3d6}
.feedback.no{background:var(--bad-bg);border:1.5px solid #f0c6bd}
.fb-title{font-weight:800;font-size:15px;margin-bottom:4px}
.feedback.ok .fb-title{color:#0a5d4c}
.feedback.no .fb-title{color:#8f3626}
.fb-why{font-size:14px;line-height:1.85;color:#3f5650}

/* ---------- شاشة النتيجة ---------- */
.result-card{padding:26px 20px 24px;text-align:center}
.ring{width:168px;height:168px;border-radius:50%;margin:14px auto 0;display:grid;place-items:center;
  background:conic-gradient(#0e7c66 calc(var(--p) * 1%), #eae5d6 0);
  transition:background .1s linear}
.ring-inner{width:132px;height:132px;border-radius:50%;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 2px 10px rgba(18,49,43,.06)}
.ring-percent{font-size:36px;font-weight:800;color:var(--emerald-deep);line-height:1.1}
.ring-label{font-size:12px;color:#8b9791;font-weight:700}
.stars{display:flex;justify-content:center;gap:6px;margin-top:14px;font-size:22px;line-height:1}
.stars span{transition:transform .3s cubic-bezier(.3,1.6,.5,1);color:#e3dcc7}
.stars span.on{color:#d9ab26;transform:scale(1.08)}
.result-title{font-size:24px;font-weight:800;margin-top:12px;color:var(--ink)}
.result-msg{font-size:14.5px;color:#5f6f69;margin:8px auto 0;max-width:380px;line-height:1.8}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px}
.stat{background:#fbf8ef;border:1px solid var(--line);border-radius:16px;padding:12px 6px;display:flex;flex-direction:column;align-items:center;gap:2px}
.stat b{font-size:20px;font-weight:800;color:var(--ink)}
.stat span{font-size:12px;color:#8b9791;font-weight:600}
.stat.ok b{color:var(--ok)}
.stat.bad b{color:var(--bad)}
.row-btns{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px}

/* ---------- الشهادة ---------- */
.cert-wrap{max-width:860px}
.cert-actions{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.cert-actions .spacer{width:46px}
.certificate{
  position:relative;padding:10px;border-radius:20px;
  background:radial-gradient(120% 90% at 50% 0%, #fffdf7 0%, #fdf7e6 55%, #faf0d6 100%);
  box-shadow:0 30px 60px -36px rgba(18,49,43,.6), 0 0 0 1px rgba(201,162,39,.28);
}
.cert-inner{border:2px solid var(--gold);border-radius:12px;padding:26px 20px 18px;text-align:center;position:relative;overflow:hidden}
.cert-inner::before{content:"";position:absolute;inset:7px;border:1px solid rgba(201,162,39,.45);border-radius:8px;pointer-events:none}
.cert-kicker{font-size:11.5px;font-weight:700;color:#9a8544;letter-spacing:.01em}
.cert-title{font-family:'Amiri',serif;font-size:clamp(26px,7vw,34px);font-weight:700;color:var(--emerald-deep);line-height:1.5;margin-top:4px}
.cert-rule{display:flex;align-items:center;justify-content:center;gap:10px;margin:8px auto 10px}
.cert-rule::before,.cert-rule::after{content:"";display:block;height:1px;width:60px;background:linear-gradient(90deg,rgba(201,162,39,0),var(--gold))}
.cert-rule::after{background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0))}
.cert-lead{font-size:13px;color:#8c8368;font-weight:600}
.cert-name{font-family:'Amiri',serif;font-size:clamp(26px,7.5vw,34px);font-weight:700;color:#0e7c66;margin-top:6px;line-height:1.5;word-break:break-word}
.cert-sub{font-size:12.5px;color:#8c8368;margin-top:4px;font-weight:600}
.cert-body{font-size:13.5px;line-height:1.95;color:#4d5b52;margin:14px auto 0;max-width:520px}
.cert-score-wrap{display:inline-flex;align-items:center;gap:10px;margin-top:14px;padding:7px 18px;border-radius:999px;background:linear-gradient(150deg,#12957b,#0b5f50);color:#fff;box-shadow:0 10px 20px -14px rgba(11,95,80,1)}
.cert-score{font-size:20px;font-weight:800}
.cert-score-label{font-size:11.5px;opacity:.85;font-weight:600}
.cert-stars{display:flex;justify-content:center;gap:6px;margin-top:12px;font-size:18px;color:#e3dcc7}
.cert-stars span.on{color:#d9ab26}
.cert-foot{display:flex;justify-content:space-between;gap:20px;margin-top:24px;padding:0 6px}
.sign{display:flex;flex-direction:column;align-items:center;gap:6px;flex:1}
.sign-line{display:block;width:100%;max-width:150px;height:1px;background:#d6cdb4}
.sign small{font-size:11.5px;color:#8c8368;font-weight:700}
.cert-serial{font-size:10.5px;color:#b0a685;margin-top:16px;letter-spacing:.06em;direction:ltr}
.cert-buttons{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}

/* ---------- توست ---------- */
.toast{position:fixed;inset-inline:0;bottom:26px;margin:0 auto;width:fit-content;max-width:88vw;padding:11px 20px;border-radius:999px;background:#12312b;color:#fff;font-size:14px;font-weight:700;box-shadow:0 16px 34px -18px rgba(0,0,0,.7);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:50;text-align:center}
.toast.show{opacity:1;transform:none}

/* ---------- استجابة ---------- */
@media(max-width:380px){
  .wrap{padding:20px 14px 44px}
  .q-text{font-size:17px}
  .option{font-size:14.5px;min-height:54px}
  .class-pill{font-size:14.5px;min-height:54px}
  .chapter-icon{width:48px;height:48px;border-radius:16px}
  .chapter-icon svg{width:24px;height:24px}
  .chapter-title{font-size:15px}
}
@media(min-width:900px){
  .wrap{padding:40px 20px 64px}
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .screen.active{animation:none}
}

/* ---------- الطباعة ---------- */
@media print{
  @page{size:A4 landscape;margin:8mm}
  body{background:#fff !important}
  .bg-decor,.no-print,.toast{display:none !important}
  .screen{display:none !important}
  #screen-cert{display:block !important}
  .wrap{max-width:none;padding:0;margin:0}
  .certificate{box-shadow:none;border-radius:0;padding:6px}
  .cert-inner{border-radius:8px;padding:22px 18px 16px}
  *{-webkit-print-color-adjust:exact !important;print-color-adjust:exact !important}
}