/* ═══════════════════════════════════════════════════════════
   منصة الأحياء التفاعلية — ثيم نيون داكن RTL
═══════════════════════════════════════════════════════════ */
:root{
  --bg:#070b1a; --bg2:#0b1026; --card:#111735; --card2:#171d40;
  --line:#232a5c; --line2:#2e3770;
  --txt:#e8ecff; --mut:#9aa5d8; --dim:#6b76ad;
  --neon1:#22d3ee; --neon2:#34d399; --neon3:#a78bfa; --neon4:#f0abfc;
  --gold:#fbbf24; --gold2:#f59e0b; --danger:#f87171; --ok:#4ade80;
  --grad:linear-gradient(135deg,#22d3ee 0%,#34d399 50%,#a78bfa 100%);
  --radius:16px; --shadow:0 10px 34px rgba(0,0,0,.5);
  --font:'Cairo','Tajawal','Segoe UI',system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:radial-gradient(1200px 600px at 80% -10%, rgba(167,139,250,.15), transparent 60%),
             radial-gradient(900px 500px at 10% 30%, rgba(34,211,238,.10), transparent 60%),
             var(--bg);
  color:var(--txt); min-height:100vh; direction:rtl;
  line-height:1.7; overflow-x:hidden;
}
::selection{background:var(--neon1);color:#000}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input[type=range]{accent-color:var(--neon1)}
.hidden{display:none!important}

/* ════ الترويسة ════ */
.hero{position:relative;text-align:center;padding:38px 16px 26px;overflow:hidden;
  background:radial-gradient(700px 300px at 50% 0%, rgba(34,211,238,.18), transparent 70%),
             radial-gradient(600px 260px at 20% 100%, rgba(244,171,252,.14), transparent 70%);}
.hero::before{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,transparent,rgba(7,11,26,.8));z-index:0}
.hero-inner{position:relative;z-index:1;max-width:900px;margin:auto}
.hero-title{
  font-size:clamp(26px,5vw,40px);font-weight:900;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;letter-spacing:.5px;text-shadow:0 0 40px rgba(34,211,238,.25);}
.hero-sub{font-size:.55em;font-weight:600;opacity:.9}
@keyframes dedGlow{0%,100%{box-shadow:0 0 20px rgba(251,191,36,.12)}50%{box-shadow:0 0 42px rgba(251,191,36,.35)}}

/* ════ شريط التنقل ════ */
.navbar{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:6px;flex-wrap:wrap;
  padding:8px 14px;background:rgba(7,11,26,.85);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line)}
.nav-btn{padding:7px 13px;border-radius:10px;font-size:13px;font-weight:600;color:var(--mut);
  transition:.15s;border:1px solid transparent}
.nav-btn:hover{color:var(--txt);background:var(--card2);border-color:var(--line2)}
.nav-btn.active{color:#000;background:var(--grad);box-shadow:0 0 18px rgba(52,211,153,.4)}
.nav-group{display:flex;gap:4px;align-items:center;flex-wrap:wrap}
.nav-sep{font-size:11px;color:var(--dim);margin:0 4px}
.nav-score{display:flex;gap:6px;align-items:center;margin-inline-start:auto}
.score-chip{background:var(--card2);border:1px solid var(--line2);padding:4px 12px;border-radius:999px;
  font-size:13px;font-weight:700;color:var(--gold)}
.score-chip.streak{color:var(--neon4);border-color:#58276b}
.badge-btn{border-color:var(--line2)}

/* ════ التخطيط العام ════ */
.app{max-width:1180px;margin:auto;padding:22px 16px 60px}
.page{animation:fadeUp .35s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.page-title{font-size:24px;font-weight:800;margin-bottom:16px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ════ الرئيسية ════ */
.home-hero-card{padding:26px;border-radius:var(--radius);margin-bottom:20px;
  background:linear-gradient(135deg,var(--card),var(--card2));border:1px solid var(--line);
  box-shadow:var(--shadow)}
.home-hero-card h2{font-size:24px;font-weight:900;margin-bottom:6px;color:var(--neon1)}
.home-hero-card p{color:var(--mut);max-width:760px}
.home-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}
.chip{background:var(--card2);border:1px solid var(--line2);color:var(--neon2);
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700}
.home-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}

/* ════ بطاقات الفصول ════ */
.card{background:linear-gradient(160deg,var(--card),#0d1230);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);transition:.2s;position:relative;overflow:hidden}
.card:hover{border-color:var(--line2);transform:translateY(-3px)}
.card.glow{border-color:rgba(52,211,153,.5);box-shadow:0 0 26px rgba(52,211,153,.18)}
.ch-card{min-height:180px;display:flex;flex-direction:column}
.ch-card .ch-emoji{font-size:44px}
.ch-card h3{font-size:19px;font-weight:800;margin:10px 0 4px}
.ch-card .ch-desc{color:var(--mut);font-size:13px;flex:1}
.ch-card .ch-tags{display:flex;flex-wrap:wrap;gap:5px;margin:10px 0}
.ch-card .ch-tags span{font-size:10px;background:#0e1440;border:1px solid var(--line2);color:var(--neon3);padding:2px 8px;border-radius:999px}
.ch-btn{padding:9px 18px;border-radius:11px;font-weight:800;font-size:13px;align-self:flex-start;
  background:var(--grad);color:#000;transition:.15s;box-shadow:0 0 14px rgba(52,211,153,.3)}
.ch-btn:hover{transform:translateY(-2px);box-shadow:0 0 22px rgba(52,211,153,.5)}
.ch-btn.alt{background:var(--card2);color:var(--neon1);border:1px solid var(--line2)}
.ch-btn.sm{padding:6px 12px;font-size:12px}

/* ════ تبويبات داخل الفصل ════ */
.ch-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 20px}
.ch-tab{padding:9px 18px;border-radius:11px;font-weight:700;font-size:14px;color:var(--mut);
  background:var(--card);border:1px solid var(--line);transition:.15s}
.ch-tab:hover{color:var(--txt);border-color:var(--neon1)}
.ch-tab.active{color:#000;background:var(--grad);border-color:transparent;box-shadow:0 0 16px rgba(34,211,238,.4)}
.ch-intro{padding:20px 22px;border-radius:14px;border:1px solid var(--line);background:var(--card);
  margin-bottom:18px;border-inline-start:5px solid var(--neon1)}
.ch-intro b{color:var(--neon1)}

/* ════ معامل / محاكي ════ */
.lab{background:linear-gradient(165deg,#0c1130,#0a0e26);border:1px solid var(--line2);
  border-radius:var(--radius);padding:18px;margin-bottom:18px}
.lab-title{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;margin-bottom:4px}
.lab-title .ico{font-size:24px}
.lab-desc{color:var(--mut);font-size:13px;margin-bottom:12px}
.lab canvas,.lab .map-svg{border-radius:12px;background:#05081a;border:1px solid var(--line);
  width:100%;display:block;touch-action:none}
.canvas-wrap{position:relative}
.canvas-title{position:absolute;top:8px;right:12px;font-size:12px;color:var(--mut);z-index:2;
  background:rgba(5,8,26,.7);padding:2px 10px;border-radius:999px}

/* ════ أدوات التحكم ════ */
.controls{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-top:12px}
.control-group{display:flex;flex-direction:column;gap:2px;flex:1;min-width:170px}
.control-group label{font-size:12px;color:var(--neon1);font-weight:700}
.control-row{display:flex;align-items:center;gap:10px}
.control-row input[type=range]{flex:1}
.control-value{min-width:64px;font-size:12px;font-weight:700;color:var(--gold);text-align:center}
.btn{padding:8px 16px;border-radius:10px;font-weight:700;font-size:13px;transition:.15s;border:1px solid var(--line2);
  background:var(--card2);color:var(--txt)}
.btn:hover{border-color:var(--neon1);color:var(--neon1);transform:translateY(-1px)}
.btn.play{background:var(--grad);color:#000;border:none;box-shadow:0 0 16px rgba(52,211,153,.35)}
.btn.step{border-color:#58276b;color:var(--neon4)}
.btn.danger{border-color:#7f1d1d;color:var(--danger)}
.btn.ok{border-color:#14532d;color:var(--ok)}

/* ════ إصلاح الأزرار: تحجيم تلقائي يمنع قصّ النص ════ */
.btn,.ch-btn,.nav-btn,.preset,.toggle-pair button,.field-row .btn{
  width:auto;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;
  gap:6px;white-space:nowrap;text-align:center;padding:10px 18px;line-height:1.5;
}
/* ملاحظة: .puzzle-opt و .modal-close مستثناة عمدًا (نصوص طويلة تلتف / زر أيقونة ثابت) */

/* ════ العرض المزدوج Dual Viewport (فصل 1: يمين 2D / يسار 3D) ════ */
.dual-viewport{display:grid;grid-template-columns:1.15fr 1fr;gap:12px;margin-top:4px}
.dual-pane{min-width:0;background:#0a0e2a;border:1px solid var(--line);border-radius:12px;padding:12px}
.pane-tag{font-size:12px;font-weight:800;color:var(--neon3);margin-bottom:8px}
#cv-arm3d{width:100%;display:block;border-radius:12px;background:#05081a;border:1px solid var(--line);touch-action:none}
.arm-fallback{padding:22px;text-align:center;color:var(--mut);font-size:13px}

/* ════ جدول المعلومات الحية ════ */
.livegrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:8px;margin-top:12px}
.liveitem{background:#0a0e2a;border:1px solid var(--line);border-radius:10px;padding:8px 12px;text-align:center}
.liveitem .k{font-size:11px;color:var(--dim)}
.liveitem .v{font-size:16px;font-weight:800;color:var(--neon2)}

/* ════ مفاتيح المقارنة (Toggle) ════ */
.toggle-pair{display:flex;gap:8px;background:#0a0e2a;border:1px solid var(--line);border-radius:12px;padding:5px}
.toggle-pair button{flex:1;padding:8px 6px;border-radius:9px;font-weight:700;font-size:12px;color:var(--mut);transition:.15s}
.toggle-pair button.active{background:var(--grad);color:#000}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}
.compare-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px;
  border-inline-start:4px solid var(--neon1)}
.compare-card.hot{border-inline-start-color:var(--neon4)}
.compare-card h4{font-size:15px;font-weight:800;color:var(--neon1);margin-bottom:6px}
.compare-card.hot h4{color:var(--neon4)}
.compare-card ul{list-style:none}
.compare-card li{font-size:13px;color:var(--mut);padding:3px 0;display:flex;gap:6px;align-items:flex-start}
.compare-card li::before{content:'▸';color:var(--neon2)}

/* ════ قوائم / خريطة تفاعلية ════ */
.map-svg{width:100%;height:auto}
.map-svg .part{cursor:pointer;transition:.2s}
.map-svg .part:hover{filter:drop-shadow(0 0 8px var(--neon1))}
.map-svg .part.selected{filter:drop-shadow(0 0 12px var(--gold))}
.side-info{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:14px;margin-top:12px}
.side-info h4{color:var(--neon1);font-size:16px;margin-bottom:4px}
.side-info p{color:var(--mut);font-size:13px}

/* ════ حقول الإدخال ════ */
.field-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:8px 0}
.input{background:#0a0e2a;border:1px solid var(--line2);border-radius:10px;color:var(--txt);
  padding:9px 14px;font-size:14px;font-family:inherit;width:170px;transition:.15s}
.input:focus{outline:none;border-color:var(--neon1);box-shadow:0 0 0 3px rgba(34,211,238,.15)}
.calc-result{background:#0a0e2a;border:1px dashed var(--line2);border-radius:12px;padding:12px 16px;
  font-weight:700;color:var(--neon2);font-size:15px;margin-top:10px}
.calc-result .big{font-size:26px;color:var(--gold);display:block}

/* ════ أسئلة تفاعلية داخل الألغاز ════ */
.puzzle-options{display:flex;flex-direction:column;gap:8px}
.puzzle-opt{text-align:right;background:var(--card2);border:1px solid var(--line2);border-radius:11px;
  padding:10px 14px;font-size:14px;font-weight:600;transition:.15s;color:var(--txt)}
.puzzle-opt:hover{border-color:var(--neon1)}
.puzzle-opt.correct{background:rgba(74,222,128,.15);border-color:var(--ok);color:var(--ok)}
.puzzle-opt.wrong{background:rgba(248,113,113,.12);border-color:var(--danger);color:var(--danger)}
.preset-row{display:flex;gap:8px;flex-wrap:wrap}
.preset{background:var(--card2);border:1px solid var(--line2);border-radius:999px;padding:5px 14px;font-size:12px}
.preset.active{border-color:var(--gold);color:var(--gold)}

/* ════ الاختبار ════ */
.modal{position:fixed;inset:0;z-index:90;display:flex;align-items:center;justify-content:center;
  background:rgba(4,6,16,.82);backdrop-filter:blur(6px);padding:16px;animation:modFade .25s ease}
@keyframes modFade{from{opacity:0}to{opacity:1}}
.modal-box{background:linear-gradient(160deg,#0e1434,#0a0e26);border:1px solid var(--line2);
  border-radius:18px;width:min(680px,100%);max-height:88vh;overflow-y:auto;padding:20px;
  box-shadow:0 20px 60px rgba(0,0,0,.6)}
.quiz-top{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.quiz-top h3{font-size:20px;font-weight:900;color:var(--neon1)}
.quiz-sub{font-size:12px;color:var(--dim)}
.modal-close{font-size:16px;color:var(--dim);border:1px solid var(--line2);border-radius:9px;width:34px;height:34px}
.modal-close:hover{color:var(--danger);border-color:var(--danger)}
.quiz-progress{display:flex;gap:12px;align-items:center;margin:14px 0 10px}
.progress-bar{flex:1;height:9px;background:#0a0e2a;border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.progress-fill{height:100%;background:var(--grad);border-radius:999px;width:0;transition:width .3s}
#quizCounter{font-size:13px;color:var(--gold);font-weight:700}
.q-head{font-size:16px;font-weight:800;margin-bottom:12px;line-height:1.9}
.q-explain{margin-top:12px;padding:12px 14px;border-radius:11px;font-size:13px;line-height:1.9}
.q-explain.good{background:rgba(74,222,128,.08);border:1px solid rgba(74,222,128,.4);color:var(--ok)}
.q-explain.bad{background:rgba(248,113,113,.07);border:1px solid rgba(248,113,113,.4);color:var(--danger)}
.quiz-nav{display:flex;gap:10px;justify-content:space-between;margin-top:14px}

/* ════ الأوسمة ════ */
.stats-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.stat-card{background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:16px;text-align:center}
.stat-card .num{font-size:30px;font-weight:900;color:var(--gold)}
.stat-card .lbl{font-size:12px;color:var(--mut)}
.badges-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.badge-card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center;transition:.2s}
.badge-card .ic{font-size:40px;filter:grayscale(1);opacity:.35;transition:.2s}
.badge-card.unlocked{border-color:rgba(251,191,36,.5);box-shadow:0 0 20px rgba(251,191,36,.15)}
.badge-card.unlocked .ic{filter:none;opacity:1;animation:dedGlow 3s ease-in-out infinite}
.badge-card b{display:block;font-size:13px;margin-top:6px}
.badge-card span{font-size:11px;color:var(--dim)}

/* ════ إشعار + قصاصات ════ */
.toast{position:fixed;bottom:24px;right:50%;transform:translateX(50%);z-index:120;
  background:#0e1434;border:1px solid var(--neon2);color:var(--ok);padding:11px 22px;
  border-radius:999px;font-weight:700;font-size:14px;box-shadow:0 0 24px rgba(52,211,153,.3);animation:toastPop .3s ease}
@keyframes toastPop{from{opacity:0;transform:translateX(50%) translateY(10px)}to{opacity:1}}
.confetti-layer{position:fixed;inset:0;pointer-events:none;z-index:130;overflow:hidden}
.confetti{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(105vh) rotate(720deg)}}

/* ════ التذييل ════ */
.site-footer{text-align:center;padding:22px;color:var(--dim);font-size:13px;border-top:1px solid var(--line)}
.site-footer b{color:var(--gold)}

/* ════ نتيجة الاختبار ════ */
.score-ring{width:130px;height:130px;border-radius:50%;margin:14px auto;position:relative;
  display:flex;align-items:center;justify-content:center;font-size:34px;font-weight:900}
.score-ring .pct{position:absolute;inset:6px;border-radius:50%;background:#0a0e2a;
  display:flex;align-items:center;justify-content:center}
.result-stats{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin:10px 0}

/* ════ مستويات الأسئلة ════ */
.lv-stats{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 4px}
.lv-badge{display:inline-block;padding:3px 12px;border-radius:999px;font-size:12px;font-weight:800;border:1px solid}
.lv-badge.e{color:#4ade80;border-color:rgba(74,222,128,.4);background:rgba(74,222,128,.08)}
.lv-badge.m{color:#fbbf24;border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.08)}
.lv-badge.h{color:#f87171;border-color:rgba(248,113,113,.4);background:rgba(248,113,113,.08)}
.lv-pick{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}
.lv-opt{background:var(--card2);border:1px solid var(--line2);border-radius:999px;
  padding:6px 16px;font-size:13px;font-weight:700;color:var(--dim);transition:.15s}
.lv-opt.on{border-color:var(--gold);color:var(--gold);background:rgba(251,191,36,.08)}
.puzzle-opt.selected{border-color:var(--neon1);color:var(--neon1);background:rgba(52,211,153,.08)}

/* ════ مؤقت الامتحان ════ */
.exam-timer{display:inline-flex;align-items:center;gap:6px;margin-inline-start:10px;
  padding:3px 12px;border-radius:999px;font-size:12px;font-weight:800;color:var(--neon1);
  border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.08);direction:ltr}
.exam-timer.low{color:var(--danger);border-color:rgba(248,113,113,.5);background:rgba(248,113,113,.1);animation:blinkT 1s steps(2,start) infinite}
@keyframes blinkT{to{visibility:hidden}}

/* ════ تقرير الامتحان ════ */
.report-item{background:var(--card2);border:1px solid var(--line2);border-radius:12px;padding:12px 14px;margin-top:10px}
.report-q{font-size:14px;font-weight:800;line-height:1.8}
.report-line{font-size:13px;font-weight:700;margin-top:6px}
.report-line.correct{color:var(--ok)}
.report-line.wrong{color:var(--danger)}
.report-line.muted{color:var(--dim)}
.report-explain{font-size:12px;color:var(--mut);line-height:1.8;margin-top:6px}
.mastery{background:rgba(74,222,128,.1);border:1px solid rgba(74,222,128,.5);color:var(--ok);
  border-radius:11px;padding:12px 14px;font-weight:800;margin-top:12px;text-align:center}

/* ════ الإنجليزية: LTR + فلاش + تايم لاين + رواية ════ */
.ltr{direction:ltr;text-align:left;unicode-bidi:embed}
select.input{background:#0a0e2a;border:1px solid var(--line2);border-radius:10px;color:var(--txt);
  padding:10px;font-family:inherit;font-size:14px;width:100%;margin-bottom:6px}
.flash-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:12px}
.flash-wrap{display:flex;flex-direction:column;gap:6px;align-items:stretch}
.flash-card{perspective:600px;cursor:pointer}
.flash-inner{position:relative;width:100%;height:112px;transform-style:preserve-3d;transition:transform .45s}
.flash-card.flip .flash-inner{transform:rotateY(180deg)}
.flash-front,.flash-back{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  padding:8px;background:var(--card2);border:1px solid var(--line2);font-size:13px}
.flash-front b{font-size:17px;color:var(--neon1)}
.flash-back{transform:rotateY(180deg);background:rgba(251,191,36,.07);border-color:rgba(251,191,36,.4)}
.flash-back b{font-size:15px;color:var(--gold)}
.mini-spk{background:var(--card2);border:1px solid var(--line2);border-radius:9px;color:var(--txt);
  font-size:12px;padding:4px 12px;align-self:center;cursor:pointer}
.mini-spk:hover{border-color:var(--neon1)}
.tense-out{margin-bottom:6px}
.tense-out h4{color:var(--gold);font-size:15px;margin-bottom:8px}
.tense-line{background:var(--card2);border:1px solid var(--line2);border-radius:11px;padding:10px 14px;margin-bottom:8px}
.tense-line p{margin:3px 0;font-size:13px}
.tense-line .ltr{font-weight:700;color:var(--neon1)}
.char-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin-top:12px}
.char-card{background:var(--card2);border:1px solid var(--line2);border-radius:12px;padding:14px;color:var(--txt);
  font-size:13px;display:flex;flex-direction:column;gap:4px;transition:.15s;cursor:pointer;text-align:right}
.char-card:hover{border-color:var(--gold);transform:translateY(-2px)}
.char-card b{color:var(--gold);font-size:14px}
.novel-body{margin-top:12px}
.novel-body h3{font-size:17px;color:var(--neon1);margin:6px 0 10px}
.novel-body h4{font-size:15px;color:var(--gold);margin:14px 0 6px}
.scene-card{background:var(--card2);border:1px solid var(--line2);border-radius:12px;padding:12px 14px;margin-top:10px}
.scene-card p{font-size:13px;line-height:1.9;margin:4px 0}
.scene-img{position:relative;border-radius:10px;overflow:hidden;min-height:86px;display:flex;
  align-items:center;justify-content:center;margin-bottom:8px;
  background:linear-gradient(135deg,#1a1440,#0a2a3a);border:1px solid var(--line)}
.scene-img span{font-size:13px;color:var(--gold);font-weight:800;padding:22px}
.scene-img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.think-box{background:var(--card2);border:1px solid var(--line2);border-radius:11px;padding:10px 14px;margin-top:8px}
.think-box summary{font-weight:800;font-size:14px;cursor:pointer}
.think-box p{font-size:13px;color:var(--mut);line-height:1.9;margin-top:6px}
#infoBody p{font-size:13px;line-height:1.9;margin-top:8px}

/* ════ سينمائي (DATA 2.1): ظهور + flip + تايم لاين + split ════ */
.cine{opacity:0;transform:translateY(18px)}
.cine-in{animation:cineUp .5s ease forwards}
@keyframes cineUp{to{opacity:1;transform:none}}
.tilt{transform-style:preserve-3d;will-change:transform}
.novel-card{transition:box-shadow .25s,border-color .25s}
.novel-card:hover{border-color:rgba(251,191,36,.55);box-shadow:0 8px 30px rgba(251,191,36,.12)}
.rule-card{transition:transform .2s,border-color .2s,box-shadow .2s}
.rule-card:hover{transform:translateY(-3px);border-color:var(--neon1);box-shadow:0 8px 26px rgba(34,211,238,.14)}
.flash-wrap{transition:transform .2s}
.flash-wrap:hover{transform:translateY(-3px)}
.tense-line{transition:border-color .2s,box-shadow .2s}
.tense-line:hover{border-color:var(--neon1);box-shadow:0 6px 22px rgba(34,211,238,.12)}
/* بطاقة شخصية قابلة للقلب */
.character-flip-card{perspective:900px;cursor:pointer;min-height:150px}
.flip-inner{position:relative;width:100%;height:100%;min-height:150px;transform-style:preserve-3d;transition:transform .55s cubic-bezier(.4,.1,.2,1)}
.character-flip-card.flipped .flip-inner{transform:rotateY(180deg)}
.flip-front,.flip-back{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
  border-radius:14px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  padding:14px;background:var(--card2);border:1px solid var(--line2);font-size:13px;text-align:center}
.flip-front b{color:var(--gold);font-size:14px}
.flip-back{transform:rotateY(180deg);background:linear-gradient(160deg,rgba(251,191,36,.1),rgba(34,211,238,.06));
  border-color:rgba(251,191,36,.45)}
.flip-back p{font-size:12px;color:var(--mut);line-height:1.8}
.char-medal{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:#0a0e2a;background:linear-gradient(135deg,var(--gold),var(--neon1))}
.flip-hint{font-size:11px;color:var(--mut)}
.bio-btn{margin-top:4px}
/* خط زمني للمشاهد */
.scene-timeline{position:relative;margin-top:6px;padding-inline-start:22px;border-inline-start:2px solid rgba(251,191,36,.35)}
.scene-card{position:relative}
.tl-dot{position:absolute;inset-inline-start:-33px;top:14px;width:22px;height:22px;border-radius:50%;
  background:var(--gold);color:#0a0e2a;font-size:11px;font-weight:800;display:flex;align-items:center;justify-content:center}
.scene-split{display:flex;gap:12px;align-items:stretch}
.scene-split .scene-img{flex:0 0 42%;margin-bottom:0}
.scene-txt{flex:1;display:flex;flex-direction:column;gap:4px}
.scene-txt p{font-size:13px;line-height:1.9;margin:2px 0}
.scene-who{font-size:12px;color:var(--gold);background:rgba(251,191,36,.07);
  border:1px dashed rgba(251,191,36,.4);border-radius:9px;padding:4px 10px}
@media (max-width:640px){.scene-split{flex-direction:column}.scene-split .scene-img{flex:none;min-height:120px}}
@media (prefers-reduced-motion:reduce){
  .cine{opacity:1;transform:none}
  .cine-in,.flip-inner{animation:none!important;transition:none!important}
}

/* ════ مختبر القواعد (DATA 2.2): عدّادات + شرائح + خانات ════ */
.toggle-row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
.chip{background:var(--card2);border:1px solid var(--line2);border-radius:10px;color:var(--txt);
  padding:6px 12px;font-size:13px;font-family:inherit;cursor:pointer;transition:.15s}
.chip:hover{border-color:var(--gold)}
.chip.sel{border-color:var(--neon1);box-shadow:0 0 14px rgba(34,211,238,.25)}
.slot{background:transparent;border:2px dashed rgba(251,191,36,.5);border-radius:10px;color:var(--txt);
  padding:8px 16px;font-size:13px;font-family:inherit;cursor:pointer;transition:.15s}
.slot:hover{background:rgba(251,191,36,.08)}
.slot.sel{border-style:solid;border-color:var(--neon1)}
.lab-out{background:var(--card);border:1px solid var(--line2);border-radius:12px;
  padding:12px 14px;margin-top:10px;min-height:60px}
.lab-out h4{color:var(--gold);font-size:15px;margin-bottom:6px}
.lab-out p{font-size:13px;line-height:1.9;margin:4px 0}
.lab-badge{display:inline-block;padding:3px 14px;border-radius:20px;font-weight:800;font-size:13px;margin-bottom:6px}
.b-red{background:rgba(248,113,113,.15);color:#f87171;border:1px solid rgba(248,113,113,.5)}
.b-blue{background:rgba(96,165,250,.13);color:#60a5fa;border:1px solid rgba(96,165,250,.5)}
.b-gold{background:rgba(251,191,36,.12);color:var(--gold);border:1px solid rgba(251,191,36,.5)}
.b-green{background:rgba(52,211,153,.12);color:#34d399;border:1px solid rgba(52,211,153,.5)}
.b-orange{background:rgba(251,146,60,.13);color:#fb923c;border:1px solid rgba(251,146,60,.5)}
.lab-meter{height:12px;background:#0a0e2a;border:1px solid var(--line2);border-radius:8px;overflow:hidden;margin:8px 0}
.meter-fill{height:100%;background:linear-gradient(90deg,var(--neon1),var(--gold));border-radius:8px;transition:width .4s}
.lab-sent{font-weight:700;font-size:15px}
.lab-sent.ok{color:#34d399}
.lab-sent.bad{color:#f87171}
.lab-shift{margin-top:8px;border-top:1px dashed var(--line2);padding-top:8px}
.lab-done{margin-top:10px;text-align:center}
.tick{color:#34d399;font-weight:800}
.shake{animation:shakeX .4s}
@keyframes shakeX{25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-4px)}}
.collide{animation:collideP .6s}
@keyframes collideP{0%{box-shadow:0 0 0 rgba(248,113,113,0)}40%{box-shadow:0 0 26px rgba(248,113,113,.55)}100%{box-shadow:none}}
@media (prefers-reduced-motion:reduce){.shake,.collide{animation:none!important}}

/* ════ بانر إطلاق الإنجليزية (مرة واحدة) ════ */
.launch-banner{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;
  padding:10px 14px;text-align:center;font-size:14px;
  background:linear-gradient(90deg,rgba(251,191,36,.16),rgba(34,211,238,.14),rgba(251,191,36,.16));
  border-bottom:1px solid rgba(251,191,36,.45)}
.launch-txt{line-height:1.8}
.launch-txt b{color:var(--gold)}
.launch-go{background:var(--gold);color:#0a0e2a;border:none;border-radius:10px;font-weight:800;
  padding:6px 16px;font-family:inherit;font-size:13px;cursor:pointer}
.launch-go:hover{filter:brightness(1.1)}
.launch-x{background:transparent;border:1px solid var(--line2);border-radius:9px;color:var(--mut);
  width:28px;height:28px;cursor:pointer;font-size:12px;line-height:1}
.launch-x:hover{border-color:#f87171;color:#f87171}

/* ════ مهارات الامتحان + تعميق الرواية ════ */
.passage{background:var(--card);border:1px solid var(--line2);border-radius:12px;padding:14px 16px;margin:8px 0}
.passage p{font-size:14px;line-height:2;margin:6px 0}
.dlg-line{background:var(--card2);border:1px solid var(--line2);border-radius:11px;padding:10px 14px;margin-bottom:8px}
.dlg-line b{color:var(--gold)}
.dlg-line .ltr{display:block;margin-top:4px;font-size:14px}
.gap-ok{border-color:#34d399!important;box-shadow:0 0 14px rgba(52,211,153,.3)}
.gap-bad{border-color:#f87171!important;box-shadow:0 0 14px rgba(248,113,113,.3)}
.trans-src{font-size:15px;font-weight:700}
.trans-model{margin-top:8px}
.tarea{width:100%;min-height:64px;background:#0a0e2a;border:1px solid var(--line2);border-radius:10px;
  color:var(--txt);padding:10px;font-family:inherit;font-size:14px;margin:6px 0}
.wcheck{display:flex;align-items:center;gap:8px;font-size:13px;margin:4px 0;cursor:pointer}
.wcheck input{width:16px;height:16px;accent-color:var(--gold)}
.relmap{width:100%;height:auto;background:var(--card);border:1px solid var(--line2);border-radius:14px;padding:8px}
.relmap line{stroke:rgba(251,191,36,.5);stroke-width:2}
.relmap text{fill:var(--mut);font-size:13px;text-anchor:middle;font-family:inherit}
.relmap circle{fill:var(--card2);stroke:var(--neon1);stroke-width:2}
.relmap circle.nd-gold{fill:rgba(251,191,36,.15);stroke:var(--gold)}
.relmap .nd-en{fill:var(--neon1);font-size:13px;font-weight:700}
.relmap .nd-ar{fill:var(--txt);font-size:14px;font-weight:800}

/* ════ فيديو ملخص الرواية (facade بنسبة 16:9) ════ */
.vid-facade{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;
  border-radius:14px;border:1px solid var(--line2);
  background:linear-gradient(135deg,#1a1440,#0a2a3a)}
.vid-facade img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vid-facade iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vid-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:60px 18px 18px;font-size:13px;color:var(--gold);font-weight:800;text-align:center}
.vid-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:68px;height:68px;border-radius:50%;border:none;cursor:pointer;
  background:rgba(251,191,36,.92);color:#0a0e2a;font-size:24px;
  box-shadow:0 6px 30px rgba(251,191,36,.5);transition:.2s}
.vid-play:hover{transform:translate(-50%,-50%) scale(1.08)}

/* ════ استجابة الشاشات ════ */
@media(max-width:900px){
  .dual-viewport{grid-template-columns:1fr}
}
@media(max-width:760px){
  .navbar{gap:4px;padding:6px 8px}
  .nav-btn{padding:6px 10px;font-size:12px}
  .nav-sep{display:none}
  .compare-grid{grid-template-columns:1fr}
  .toggle-pair{flex-wrap:wrap}
  .toggle-pair button{flex:1 1 100%}
  .app{padding:14px 10px 40px}
  .lab,.card{padding:14px}
  .home-grid{grid-template-columns:1fr}
  .ch-tabs{gap:6px}
  .ch-tab{padding:7px 12px;font-size:12px}
  .modal-box{padding:14px}
}
@media(max-width:430px){
  .nav-score{margin-inline-start:0}
  .controls{flex-direction:column;align-items:stretch}
  .control-value{text-align:center}
  .q-head{font-size:15px}
}

/* ════ منصة العلوم 3-in-1: مبدل المواد والحاويات ════ */
.subject-switch{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.subj-btn{width:auto;box-sizing:border-box;display:inline-flex;align-items:center;justify-content:center;
  gap:8px;white-space:nowrap;text-align:center;padding:10px 22px;line-height:1.5;
  border-radius:14px;font-weight:800;font-size:15px;color:var(--mut);
  background:var(--card);border:1px solid var(--line2);transition:.18s}
.subj-btn:hover{color:var(--txt);border-color:var(--neon1);transform:translateY(-2px)}
.subj-btn.active{color:#000;background:var(--grad);border-color:transparent;box-shadow:0 0 22px rgba(52,211,153,.45)}
.subj-btn .subj-n{font-size:11px;font-weight:700;opacity:.75}
/* حاويات الرسوم البيانية Chart.js */
.chart-box{position:relative;height:260px;margin-top:12px;background:#05081a;
  border:1px solid var(--line);border-radius:12px;padding:10px}
.chart-box.tall{height:300px}
/* لوحات 3D قابلة للتدوير */
.orbit-hint{font-size:11px;color:var(--dim);text-align:center;margin-top:6px}
/* بطاقات العناصر/الأكاسيد */
.elem-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px;margin-top:12px}
.elem-card{background:var(--card2);border:1px solid var(--line2);border-radius:11px;padding:10px;
  text-align:center;cursor:pointer;transition:.15s;font-size:12px}
.elem-card:hover{border-color:var(--neon1);transform:translateY(-2px)}
.elem-card.active{border-color:var(--gold);box-shadow:0 0 14px rgba(251,191,36,.3)}
.elem-card .sym{font-size:22px;font-weight:900;color:var(--neon1)}
.elem-card .nm{color:var(--mut);font-size:11px}
/* البوابات المنطقية */
.gate-board{display:flex;gap:14px;flex-wrap:wrap;align-items:center;justify-content:center;margin-top:12px}
.gate-lamp{width:64px;height:64px;border-radius:50%;border:3px solid var(--line2);
  display:flex;align-items:center;justify-content:center;font-size:26px;background:#0a0e2a;transition:.2s}
.gate-lamp.on{border-color:var(--gold);box-shadow:0 0 26px rgba(251,191,36,.7);background:rgba(251,191,36,.15)}
.truth-table{border-collapse:collapse;margin:10px auto;font-size:13px}
.truth-table td,.truth-table th{border:1px solid var(--line2);padding:6px 16px;text-align:center}
.truth-table th{color:var(--neon1)}
.truth-table tr.hl td{background:rgba(52,211,153,.15);color:var(--neon2);font-weight:800}
/* شارة السلسلة الكيميائية */
.formula-chip{display:inline-block;background:#0e1440;border:1px solid var(--line2);color:var(--neon2);
  border-radius:8px;padding:3px 12px;font-size:14px;font-weight:700;margin:2px;direction:ltr}
@media(max-width:760px){
  .subj-btn{padding:8px 14px;font-size:13px}
  .chart-box{height:220px}
}

/* ════ النسخة التجارية: قفل التفعيل + لوحة المطور ════ */
body.locked{overflow:hidden}
body{padding-bottom:70px}
.lock-box{text-align:center;max-width:470px}
.lock-brand{font-size:44px}
.lock-box h3{font-size:20px;font-weight:900;color:var(--gold);margin:6px 0}
.lock-lbl{display:block;text-align:right;font-size:13px;font-weight:700;color:var(--neon1);margin:10px 0 4px}
.lock-input{width:100%;text-align:center;font-size:17px;font-weight:800;letter-spacing:1px}
.lock-err{background:rgba(248,113,113,.1);border:1px solid var(--danger);color:var(--danger);
  border-radius:10px;padding:8px 12px;font-size:13px;font-weight:700;margin-top:10px}
.lock-btn{width:100%;margin-top:10px;text-decoration:none;white-space:normal}
.lock-note{font-size:11px;color:var(--dim);margin-top:10px}
.dev-float{position:fixed;bottom:12px;right:50%;transform:translateX(50%);z-index:80;
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:center;
  background:rgba(14,20,52,.94);border:1px solid rgba(251,191,36,.45);border-radius:999px;
  padding:8px 18px;font-size:12px;box-shadow:0 0 24px rgba(251,191,36,.2);
  max-width:calc(100vw - 20px)}
.dev-txt{color:var(--gold);white-space:nowrap}
.dev-txt b{color:#fde68a}
.dev-wa{color:#000;background:#25D366;border-radius:999px;padding:5px 14px;
  font-weight:800;font-size:12px;text-decoration:none;white-space:nowrap}