:root{
  --primary:#2563EB; --primary-2:#3B82F6; --primary-deep:#1D4ED8;
  --violet:#7C3AED; --gold:#F59E0B; --gold-2:#FDE68A;
  --ok:#10B981; --bad:#EF4444; --warn:#F97316;
  --bg:#070D1A; --bg-2:#0B1220; --bg-3:#101A31;
  --surface:rgba(255,255,255,.055); --surface-2:rgba(255,255,255,.09);
  --border:rgba(255,255,255,.11); --border-2:rgba(255,255,255,.18);
  --text:#F8FAFC; --muted:#94A3B8; --muted-2:#64748B;
  --r-sm:12px; --r:18px; --r-lg:26px; --r-full:999px;
  --sh:0 10px 30px rgba(2,6,23,.45); --sh-lg:0 20px 50px rgba(2,6,23,.6);
  --t:200ms cubic-bezier(.22,1,.36,1);
  --max:640px;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{
  min-height:100dvh; background:var(--bg); color:var(--text);
  font-family:"Noto Sans Arabic","Segoe UI",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.65; overflow-x:hidden;
  padding-bottom:env(safe-area-inset-bottom);
}
body::before{
  content:""; position:fixed; inset:0; z-index:-2; pointer-events:none;
  background:
    radial-gradient(900px 520px at 88% -8%, rgba(37,99,235,.30), transparent 60%),
    radial-gradient(760px 460px at 6% 4%, rgba(124,58,237,.22), transparent 62%),
    radial-gradient(700px 520px at 50% 108%, rgba(245,158,11,.14), transparent 60%);
}
.decor{position:fixed; inset:0; z-index:-1; pointer-events:none; overflow:hidden}
.blob{position:absolute; border-radius:50%; filter:blur(70px); opacity:.5}
.blob.b1{width:280px;height:280px;background:#2563EB;top:-80px;inset-inline-start:-60px;animation:float 18s ease-in-out infinite}
.blob.b2{width:240px;height:240px;background:#7C3AED;top:34%;inset-inline-end:-90px;animation:float 22s ease-in-out infinite reverse}
.blob.b3{width:220px;height:220px;background:#F59E0B;bottom:-70px;inset-inline-start:22%;opacity:.28;animation:float 26s ease-in-out infinite}
@keyframes float{0%,100%{transform:translate3d(0,0,0)}50%{transform:translate3d(0,-26px,0)}}
main{max-width:var(--max); margin:0 auto; padding:0 16px 40px}
.topbar{
  position:sticky; top:0; z-index:30; max-width:var(--max); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between; gap:12px;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;
  background:rgba(7,13,26,.72); backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--border);
}
.brand{display:flex; align-items:center; gap:10px; text-decoration:none; color:inherit}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;
  border-radius:14px; font-family:"Noto Naskh Arabic",serif; font-size:26px; font-weight:700;
  color:#1E293B; background:linear-gradient(160deg,var(--gold-2),var(--gold));
  box-shadow:0 6px 18px rgba(245,158,11,.35);
}
.brand-txt{display:flex;flex-direction:column;line-height:1.25}
.brand-txt strong{font-family:"Noto Naskh Arabic",serif;font-size:18px;letter-spacing:.2px}
.brand-txt small{color:var(--muted);font-size:11.5px}
.top-actions{display:flex;gap:8px}
.icon-btn{
  width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;cursor:pointer;
  border:1px solid var(--border); border-radius:14px; color:var(--text);
  background:var(--surface); transition:transform var(--t),background var(--t),border-color var(--t);
}
.icon-btn:hover{background:var(--surface-2);border-color:var(--border-2);transform:translateY(-2px)}
.icon-btn:active{transform:scale(.94)}
.offline-bar{
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  max-width:var(--max);margin:10px auto 0;padding:10px 14px;border-radius:var(--r-sm);
  background:rgba(249,115,22,.14);border:1px solid rgba(249,115,22,.35);color:#FDBA74;font-size:13.5px;
}
.screen{display:none;padding-top:18px}
.screen.is-active{display:block;animation:fadeUp .38s var(--t) both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.hero{
  position:relative; padding:22px; border-radius:var(--r-lg); overflow:hidden;
  background:linear-gradient(150deg,rgba(37,99,235,.26),rgba(124,58,237,.16) 55%,rgba(255,255,255,.04));
  border:1px solid var(--border); box-shadow:var(--sh);
}
.hero::after{
  content:"";position:absolute;inset-inline-end:-40px;top:-40px;width:170px;height:170px;border-radius:28px;
  background:linear-gradient(160deg,rgba(245,158,11,.35),transparent);transform:rotate(22deg);
}
.pill{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:var(--r-full);
  background:rgba(255,255,255,.10);border:1px solid var(--border-2);font-size:12.5px;color:#DBEAFE;
}
.pill svg{width:14px;height:14px;color:var(--gold)}
.hero-title{font-family:"Noto Naskh Arabic",serif;font-size:clamp(23px,6.2vw,32px);margin:14px 0 6px;line-height:1.35}
.hero-sub{color:#CBD5E1;font-size:14.5px;margin:0;max-width:46ch}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;position:relative;z-index:1}
.metric{
  text-align:center;padding:12px 6px;border-radius:var(--r);
  background:rgba(7,13,26,.5);border:1px solid var(--border);backdrop-filter:blur(8px);
  transition:transform var(--t),border-color var(--t);
}
.metric:hover{transform:translateY(-3px);border-color:rgba(245,158,11,.45)}
.metric strong{display:block;font-size:22px;color:var(--gold-2);font-weight:800}
.metric span{font-size:11.5px;color:var(--muted)}
.sec-head{display:flex;align-items:center;justify-content:space-between;margin:26px 0 12px}
.sec-head h3{font-size:16.5px;margin:0}
.link-btn{
  background:none;border:0;color:var(--primary-2);cursor:pointer;font-family:inherit;
  font-size:13px;padding:6px 8px;border-radius:10px;transition:background var(--t)
}
.link-btn:hover{background:rgba(59,130,246,.12)}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.cat{
  position:relative;cursor:pointer;text-align:center;padding:14px 6px 12px;border-radius:var(--r);
  background:var(--surface);border:1px solid var(--border);color:var(--text);font-family:inherit;
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t);
}
.cat:hover{transform:translateY(-3px);background:var(--surface-2);box-shadow:var(--sh)}
.cat svg{width:24px;height:24px;margin-bottom:6px;color:var(--muted)}
.cat b{display:block;font-size:13px;font-weight:600}
.cat small{display:block;font-size:10.5px;color:var(--muted-2);margin-top:2px}
.cat.on{border-color:transparent;box-shadow:0 10px 26px rgba(37,99,235,.28)}
.cat.on svg,.cat.on b{color:#fff}
.cat.on small{color:rgba(255,255,255,.75)}
.cat .tick{position:absolute;top:7px;inset-inline-end:7px;width:16px;height:16px;opacity:0;transition:opacity var(--t)}
.cat.on .tick{opacity:1}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  backdrop-filter:blur(12px);box-shadow:var(--sh);padding:16px}
.setup{padding:6px 14px}
.setup-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}
.setup-row:last-child{border-bottom:0}
.setup-label{font-size:14px;color:#CBD5E1;white-space:nowrap}
.seg{display:flex;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.seg button{
  cursor:pointer;font-family:inherit;font-size:13px;padding:8px 12px;border-radius:11px;color:var(--muted);
  background:rgba(255,255,255,.05);border:1px solid transparent;transition:all var(--t)
}
.seg button:hover{color:#fff;background:rgba(255,255,255,.11)}
.seg button.on{background:linear-gradient(150deg,var(--primary-2),var(--primary-deep));color:#fff;border-color:rgba(255,255,255,.22);box-shadow:0 6px 18px rgba(37,99,235,.35)}
.btn{
  display:flex;align-items:center;justify-content:center;gap:9px;width:100%;cursor:pointer;
  font-family:inherit;font-size:15.5px;font-weight:600;padding:15px 18px;border-radius:var(--r);
  border:1px solid transparent;color:var(--text);background:var(--surface);
  transition:transform var(--t),box-shadow var(--t),background var(--t),border-color var(--t)
}
.btn svg{width:19px;height:19px}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:scale(.985)}
.btn-primary{background:linear-gradient(150deg,var(--primary-2),var(--primary-deep));color:#fff;box-shadow:0 12px 30px rgba(37,99,235,.4)}
.btn-primary:hover{box-shadow:0 18px 38px rgba(37,99,235,.5)}
.btn-outline{background:rgba(255,255,255,.06);border-color:var(--border-2)}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-ghost{background:transparent;color:#CBD5E1}
.btn-ghost:hover{background:rgba(255,255,255,.06)}
.btn-danger{color:#FCA5A5;border-color:rgba(239,68,68,.4);margin-top:16px}
.btn-danger:hover{background:rgba(239,68,68,.14)}
.btn-xl{font-size:17px;padding:18px;margin-top:20px}
.btn.small{width:auto;padding:9px 16px;font-size:13.5px;border-radius:var(--r-sm)}
#btnStart{margin-top:22px}
#btnInstall{margin-top:10px;font-size:14px}
.foot-note{text-align:center;color:var(--muted-2);font-size:12.5px;margin:16px 0 0}

/* ---- شاشة اللعب ---- */
.game-head{display:flex;align-items:center;justify-content:space-between;gap:10px}
.gstats{display:flex;gap:8px;flex:1;justify-content:center}
.gstat{
  text-align:center;min-width:66px;padding:7px 10px;border-radius:var(--r-sm);
  background:var(--surface);border:1px solid var(--border)
}
.gstat span{display:flex;align-items:center;justify-content:center;gap:4px;font-weight:700;font-size:15px}
.gstat span svg{width:15px;height:15px;color:var(--warn)}
.gstat small{display:block;font-size:10.5px;color:var(--muted-2)}
.gstat.hot{border-color:rgba(249,115,22,.5);background:rgba(249,115,22,.14);animation:pop .4s var(--t)}
@keyframes pop{0%{transform:scale(1)}45%{transform:scale(1.14)}100%{transform:scale(1)}}
.timer{position:relative;width:52px;height:52px;flex:0 0 52px;display:grid;place-items:center}
.timer svg{position:absolute;inset:0;width:52px;height:52px;transform:rotate(-90deg)}
.timer circle{fill:none;stroke-width:4.5;stroke-linecap:round}
.t-bg{stroke:rgba(255,255,255,.12)}
.t-fg{stroke:var(--ok);stroke-dasharray:119.4;stroke-dashoffset:0;transition:stroke-dashoffset .1s linear,stroke .3s}
.timer span{font-size:14px;font-weight:700;position:relative}
.timer.warn .t-fg{stroke:var(--gold)}
.timer.danger .t-fg{stroke:var(--bad)}
.timer.off{visibility:hidden}
.progress{height:7px;border-radius:var(--r-full);background:rgba(255,255,255,.09);margin:16px 0 18px;overflow:hidden}
.progress span{display:block;height:100%;width:0;border-radius:var(--r-full);
  background:linear-gradient(90deg,var(--gold),var(--primary-2));transition:width .35s var(--t)}
.q-card{
  position:relative;padding:22px 20px;border-radius:var(--r-lg);margin-bottom:16px;
  background:linear-gradient(155deg,rgba(255,255,255,.09),rgba(255,255,255,.035));
  border:1px solid var(--border);box-shadow:var(--sh)
}
.cat-badge{
  display:inline-block;font-size:11.5px;padding:4px 11px;border-radius:var(--r-full);
  background:rgba(37,99,235,.22);border:1px solid rgba(59,130,246,.4);color:#BFDBFE
}
.q-text{font-family:"Noto Naskh Arabic",serif;font-size:clamp(19px,5.4vw,25px);line-height:1.6;margin:12px 0 2px}
.options{display:grid;gap:10px;margin-bottom:16px}
.opt{
  display:flex;align-items:center;gap:12px;width:100%;cursor:pointer;text-align:start;
  font-family:inherit;font-size:15.5px;line-height:1.5;color:var(--text);
  padding:15px 16px;border-radius:var(--r);background:var(--surface);
  border:1px solid var(--border);transition:transform var(--t),background var(--t),border-color var(--t),box-shadow var(--t)
}
.opt:hover:not(.locked){transform:translateY(-2px);background:var(--surface-2);border-color:var(--border-2);box-shadow:var(--sh)}
.opt .key{
  width:28px;height:28px;flex:0 0 28px;display:grid;place-items:center;border-radius:9px;
  background:rgba(255,255,255,.09);font-size:13px;font-weight:700;color:#CBD5E1
}
.opt .txt{flex:1}
.opt .mark{width:20px;height:20px;opacity:0;transition:opacity var(--t)}
.opt.correct{background:rgba(16,185,129,.16);border-color:rgba(16,185,129,.6);box-shadow:0 10px 26px rgba(16,185,129,.22)}
.opt.correct .key{background:var(--ok);color:#04241A}
.opt.correct .mark{opacity:1;color:var(--ok)}
.opt.wrong{background:rgba(239,68,68,.15);border-color:rgba(239,68,68,.55)}
.opt.wrong .key{background:var(--bad);color:#2A0507}
.opt.wrong .mark{opacity:1;color:#FCA5A5}
.opt.locked{cursor:default;opacity:.62}
.opt.locked.correct,.opt.locked.wrong{opacity:1}
.opt.faded{opacity:.4}
.explain{
  padding:14px 16px;border-radius:var(--r);background:rgba(245,158,11,.12);
  border:1px solid rgba(245,158,11,.35);margin-bottom:14px;animation:fadeUp .3s var(--t) both
}
.ex-head{display:flex;align-items:center;gap:8px;color:var(--gold-2);font-size:13.5px}
.ex-head svg{width:16px;height:16px}
.explain p{margin:8px 0 0;font-size:14.5px;color:#E2E8F0;line-height:1.7}
#btnNext{margin-top:4px}

/* ---- شاشة النتيجة ---- */
.res-hero{text-align:center;padding:8px 0 6px}
.ring{position:relative;width:158px;height:158px;margin:0 auto 12px}
.ring svg{width:158px;height:158px;transform:rotate(-90deg)}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.r-bg{stroke:rgba(255,255,255,.1)}
.r-fg{stroke:var(--gold);stroke-dasharray:326.7;stroke-dashoffset:326.7;transition:stroke-dashoffset .9s var(--t),stroke .3s}
.ring-txt{position:absolute;inset:0;display:grid;place-content:center;place-items:center}
.ring-txt strong{font-size:36px;font-weight:800;color:var(--gold-2);line-height:1}
.ring-txt small{color:var(--muted);font-size:12.5px}
#resTitle{font-family:"Noto Naskh Arabic",serif;font-size:26px;margin:6px 0 4px}
#resSub{color:var(--muted);font-size:14px;margin:0}
.badge-row{display:flex;flex-wrap:wrap;gap:7px;justify-content:center;margin-top:12px}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:6px 12px;border-radius:var(--r-full);
  background:rgba(245,158,11,.16);border:1px solid rgba(245,158,11,.4);color:var(--gold-2)
}
.badge svg{width:14px;height:14px}
.res-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:18px 0}
.res-stat{
  text-align:center;padding:14px 8px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border)
}
.res-stat strong{display:block;font-size:21px;font-weight:800}
.res-stat span{font-size:11.5px;color:var(--muted)}
.res-stat.ok strong{color:#6EE7B7}
.res-stat.bad strong{color:#FCA5A5}
.res-actions{display:grid;gap:10px}
.review{display:grid;gap:10px}
.rv{padding:13px 15px;border-radius:var(--r);background:var(--surface);border:1px solid var(--border);font-size:14px}
.rv b{display:block;margin-bottom:5px;font-weight:600}
.rv span{display:block;font-size:13.5px;color:#A7F3D0}
.rv em{display:block;font-style:normal;font-size:13.5px;color:var(--muted)}
.rv-ok{padding:16px;border-radius:var(--r);text-align:center;background:rgba(16,185,129,.12);
  border:1px solid rgba(16,185,129,.35);color:#A7F3D0;font-size:14.5px}
/* ---- نوافذ ومكوّنات عامة ---- */
.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:flex-end;justify-content:center;
  padding:16px;background:rgba(3,7,18,.72);backdrop-filter:blur(6px);animation:fade .25s var(--t) both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-card{
  width:100%;max-width:520px;max-height:88dvh;overflow-y:auto;padding:18px;
  border-radius:var(--r-lg);background:linear-gradient(160deg,#101A31,#0B1220);
  border:1px solid var(--border-2);box-shadow:var(--sh-lg);animation:slideUp .32s var(--t) both
}
@keyframes slideUp{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.modal-head h3{display:flex;align-items:center;gap:8px;font-size:17px;margin:0}
.modal-head h3 svg{width:19px;height:19px;color:var(--gold)}
.sub-h{font-size:14px;color:#CBD5E1;margin:10px 0 8px}
.best-list{list-style:none;margin:0;padding:0;display:grid;gap:7px}
.best-list li{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;
  padding:10px 12px;border-radius:var(--r-sm);background:var(--surface);border:1px solid var(--border)}
.best-list li b{color:var(--gold-2)}
.how-to h4{display:flex;align-items:center;gap:8px;font-size:14.5px;margin:14px 0 6px;color:#DBEAFE}
.how-to h4 svg{width:17px;height:17px;color:var(--primary-2)}
.how-to ol{margin:0;padding-inline-start:20px;font-size:14px;color:#CBD5E1}
.how-to li{margin-bottom:4px}
.muted-sm{color:var(--muted-2);font-size:12.5px;margin-top:14px}
.toast{
  position:fixed;inset-inline:0;bottom:calc(22px + env(safe-area-inset-bottom));z-index:80;
  margin:0 auto;width:max-content;max-width:88vw;padding:12px 20px;border-radius:var(--r-full);
  background:rgba(15,23,42,.96);border:1px solid var(--border-2);box-shadow:var(--sh-lg);
  font-size:14px;opacity:0;transform:translateY(18px);pointer-events:none;transition:all var(--t)
}
.toast.show{opacity:1;transform:none}
.installbar{
  position:fixed;inset-inline:12px;bottom:calc(12px + env(safe-area-inset-bottom));z-index:70;
  display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--r);
  background:rgba(15,23,42,.96);border:1px solid rgba(245,158,11,.4);box-shadow:var(--sh-lg)
}
.installbar .ib-txt{flex:1;font-size:13.5px;color:#FDE68A}
@media (max-width:400px){
  .cat-grid{gap:8px}
  .cat b{font-size:12px}
  .gstat{min-width:58px;padding:6px 8px}
  .brand-txt small{display:none}
}
@media (min-width:700px){
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .res-actions{grid-template-columns:repeat(3,1fr)}
  .modal{align-items:center}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
}

/* إخفاء قاطع لكل عنصر يحمل خاصية hidden */
[hidden]{display:none !important}