:root{
  --bg0:#05060f;
  --bg1:#0a0e22;
  --bg2:#111634;
  --glass:rgba(20,28,60,.55);
  --glass2:rgba(30,40,82,.45);
  --stroke:rgba(120,160,255,.18);
  --stroke2:rgba(150,190,255,.32);
  --txt:#eaf0ff;
  --muted:#9fb0d8;
  --dim:#6f80aa;
  --neon:#34f5d6;
  --neon2:#5fa8ff;
  --neon3:#c89bff;
  --gold:#ffd34d;
  --danger:#ff5d6c;
  --warn:#ffb454;
  --ok:#43e08a;
  --r:18px;
  --fs:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Segoe UI",system-ui,-apple-system,Roboto,Ubuntu,sans-serif;
  font-size:var(--fs);
  color:var(--txt);
  background:var(--bg0);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
  user-select:none;
  touch-action:manipulation;
}
body.fontSmall{--fs:14px}
body.fontLarge{--fs:18px}
body.fontHuge{--fs:21px}
#arcadeRoot{position:fixed;inset:0;overflow:hidden}
#bgCanvas{position:fixed;inset:0;z-index:0;display:block}
.scene{position:absolute;inset:0;z-index:2;display:flex;flex-direction:column;opacity:0;pointer-events:none;transition:opacity .35s ease}
.scene.active{opacity:1;pointer-events:auto}
.scene.behind{z-index:1}
.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 22px}
.fill{flex:1;min-height:0}
.center{display:flex;align-items:center;justify-content:center}
.col{display:flex;flex-direction:column}
.scroll{overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--stroke2) transparent}
.scroll::-webkit-scrollbar{width:9px}
.scroll::-webkit-scrollbar-thumb{background:var(--stroke2);border-radius:8px}

.glass{
  background:linear-gradient(160deg,var(--glass),var(--glass2));
  border:1px solid var(--stroke);
  border-radius:var(--r);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 18px 50px -20px rgba(0,0,0,.7),inset 0 1px 0 rgba(255,255,255,.05);
}
body.noBlur .glass{backdrop-filter:none;-webkit-backdrop-filter:none;background:rgba(16,22,48,.92)}

.topbar{display:flex;align-items:center;gap:16px;padding:16px 22px;z-index:5}
.brand{display:flex;align-items:center;gap:13px;cursor:pointer}
.brandMark{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:radial-gradient(circle at 30% 25%,rgba(52,245,214,.35),rgba(95,168,255,.12));
  border:1px solid var(--stroke2);box-shadow:0 0 22px rgba(52,245,214,.25)}
.brandMark svg{width:24px;height:24px}
.brandTitle{font-weight:800;letter-spacing:.5px;font-size:1.02rem;line-height:1.05}
.brandSub{font-size:.72rem;color:var(--neon);letter-spacing:2px;text-transform:uppercase;font-weight:700}
.topspace{flex:1}
.pill{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);font-weight:700;font-size:.86rem}
.pill svg{width:16px;height:16px}
.pill .pv{color:var(--gold)}
.pill.coins .pv{color:var(--neon)}

.logoWrap{display:flex;flex-direction:column;align-items:center;gap:10px;margin:2vh 0 3vh;text-align:center}
.logoMark{position:relative;width:120px;height:120px;transform:translateX(min(7vw,130px))}
.logoMark canvas{position:absolute;inset:0}
.logoTitle{font-size:clamp(2.1rem,6vw,4rem);font-weight:900;letter-spacing:3px;line-height:.96;
  background:linear-gradient(120deg,#fff,var(--neon) 40%,var(--neon2) 70%,var(--neon3));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  text-shadow:0 0 38px rgba(52,245,214,.18);filter:drop-shadow(0 6px 26px rgba(52,245,214,.25))}
.logoSub{font-size:clamp(.8rem,2.4vw,1.05rem);letter-spacing:8px;text-transform:uppercase;color:var(--neon2);font-weight:700}
.logoTag{font-size:.9rem;color:var(--muted);max-width:560px;margin-top:4px}
@media(max-width:560px){.logoMark{transform:none}}

.menuGrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;width:100%;max-width:780px;margin:0 auto}
.mBtn{
  position:relative;display:flex;align-items:center;gap:14px;padding:18px 20px;cursor:pointer;
  border-radius:16px;border:1px solid var(--stroke);overflow:hidden;
  background:linear-gradient(150deg,rgba(30,42,86,.7),rgba(18,24,52,.6));
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.mBtn:hover{transform:translateY(-3px);border-color:var(--stroke2);box-shadow:0 18px 40px -16px rgba(52,245,214,.4)}
.mBtn:active{transform:translateY(-1px) scale(.99)}
.mBtn .ic{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:rgba(52,245,214,.1);border:1px solid var(--stroke2)}
.mBtn .ic svg{width:24px;height:24px}
.mBtn .lbl{font-weight:800;font-size:1.02rem}
.mBtn .sub{font-size:.76rem;color:var(--muted);margin-top:2px}
.mBtn.primary{grid-column:1/-1;padding:22px;background:linear-gradient(120deg,rgba(52,245,214,.22),rgba(95,168,255,.18))}
.mBtn.primary .lbl{font-size:1.25rem}
.mBtn::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at var(--mx,50%) var(--my,50%),rgba(52,245,214,.16),transparent 60%);opacity:0;transition:opacity .2s}
.mBtn:hover::after{opacity:1}

.pageHead{display:flex;align-items:center;gap:14px;padding:8px 0 18px}
.pageHead h2{font-size:1.5rem;font-weight:900;letter-spacing:.5px}
.pageHead .sub{color:var(--muted);font-size:.9rem}
.backBtn{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;cursor:pointer;flex:none;
  background:var(--glass);border:1px solid var(--stroke)}
.backBtn:hover{border-color:var(--stroke2)}
.backBtn svg{width:20px;height:20px}

.cardGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}
.gameCard{position:relative;border-radius:18px;overflow:hidden;cursor:pointer;border:1px solid var(--stroke);
  background:linear-gradient(160deg,rgba(28,38,80,.6),rgba(14,18,40,.6));transition:transform .18s,box-shadow .18s,border-color .18s}
.gameCard:hover{transform:translateY(-4px);border-color:var(--stroke2);box-shadow:0 24px 50px -20px rgba(0,0,0,.7)}
.gameArt{height:130px;position:relative;display:grid;place-items:center;overflow:hidden}
.gameArt canvas{position:absolute;inset:0;width:100%;height:100%}
.gameArt .gnum{position:absolute;top:10px;left:12px;font-weight:900;font-size:.78rem;letter-spacing:1px;color:var(--txt);opacity:.7}
.gameBody{padding:14px 16px 16px}
.gameGenre{font-size:.7rem;letter-spacing:1.5px;text-transform:uppercase;font-weight:700;color:var(--acc,#34f5d6)}
.gameName{font-weight:800;font-size:1.06rem;margin:4px 0 6px;line-height:1.15}
.gameBlurb{font-size:.84rem;color:var(--muted);line-height:1.4;min-height:2.6em}
.gameMeta{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.stars{display:flex;gap:3px}
.stars svg{width:16px;height:16px}
.star.on{color:var(--gold);filter:drop-shadow(0 0 5px rgba(255,211,77,.6))}
.star.off{color:var(--dim)}
.progBar{height:7px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden;margin-top:10px}
.progBar span{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--acc,#34f5d6),var(--neon2))}
.lockTag{position:absolute;inset:0;background:rgba(5,7,18,.74);display:grid;place-items:center;text-align:center;gap:8px;color:var(--muted);z-index:3}
.lockTag svg{width:30px;height:30px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 22px;border-radius:13px;cursor:pointer;
  font-weight:800;font-size:.95rem;border:1px solid var(--stroke2);color:var(--txt);
  background:linear-gradient(120deg,rgba(52,245,214,.2),rgba(95,168,255,.16));transition:transform .14s,box-shadow .14s,filter .14s}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -12px rgba(52,245,214,.5)}
.btn:active{transform:translateY(0)}
.btn.ghost{background:var(--glass);border-color:var(--stroke)}
.btn.danger{background:linear-gradient(120deg,rgba(255,93,108,.22),rgba(255,93,108,.12));border-color:rgba(255,93,108,.4)}
.btn.lg{padding:16px 30px;font-size:1.06rem}
.btn svg{width:18px;height:18px}
.btn[disabled]{opacity:.4;pointer-events:none}
.btnRow{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}

.setRow{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:15px 4px;border-bottom:1px solid var(--stroke)}
.setRow:last-child{border-bottom:none}
.setLbl{font-weight:700}
.setLbl .d{font-size:.78rem;color:var(--muted);font-weight:500;margin-top:2px}
.range{appearance:none;width:200px;height:6px;border-radius:6px;background:rgba(255,255,255,.12);outline:none}
.range::-webkit-slider-thumb{appearance:none;width:18px;height:18px;border-radius:50%;background:var(--neon);cursor:pointer;box-shadow:0 0 10px rgba(52,245,214,.7)}
.range::-moz-range-thumb{width:18px;height:18px;border:none;border-radius:50%;background:var(--neon);cursor:pointer}
.seg{display:inline-flex;background:rgba(255,255,255,.06);border-radius:11px;padding:4px;gap:3px;flex-wrap:wrap}
.seg button{padding:8px 14px;border-radius:8px;cursor:pointer;font-weight:700;font-size:.84rem;color:var(--muted);background:transparent;border:none;transition:.14s}
.seg button.on{background:linear-gradient(120deg,var(--neon),var(--neon2));color:#04121a;box-shadow:0 6px 16px -6px rgba(52,245,214,.7)}
.switch{width:54px;height:30px;border-radius:999px;background:rgba(255,255,255,.12);position:relative;cursor:pointer;transition:.2s;flex:none}
.switch.on{background:linear-gradient(120deg,var(--neon),var(--neon2))}
.switch i{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:.2s;box-shadow:0 2px 6px rgba(0,0,0,.4)}
.switch.on i{left:27px}

.gameHost{position:absolute;inset:0;z-index:3;display:none;flex-direction:column;background:radial-gradient(120% 120% at 50% 0%,var(--bg1),var(--bg0))}
.gameHost.show{display:flex}
.hud{display:flex;align-items:center;gap:12px;padding:12px 18px;z-index:4}
.hud .hbtn{width:42px;height:42px;border-radius:11px;display:grid;place-items:center;cursor:pointer;background:var(--glass);border:1px solid var(--stroke);flex:none}
.hud .hbtn:hover{border-color:var(--stroke2)}
.hud .hbtn svg{width:19px;height:19px}
.hud .htitle{font-weight:800;font-size:1.02rem;line-height:1.05}
.hud .hsub{font-size:.74rem;color:var(--neon);letter-spacing:1px;text-transform:uppercase;font-weight:700}
.hstats{display:flex;gap:10px;margin-left:auto;flex-wrap:wrap}
.hstat{min-width:64px;text-align:center;padding:7px 12px;border-radius:11px;background:var(--glass);border:1px solid var(--stroke)}
.hstat .v{font-weight:900;font-size:1.05rem;line-height:1}
.hstat .l{font-size:.62rem;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-top:3px}
.hstat.danger .v{color:var(--danger)}
.hstat.ok .v{color:var(--ok)}
.objective{margin:0 18px 8px;padding:10px 16px;border-radius:12px;background:var(--glass);border:1px solid var(--stroke);
  font-size:.9rem;display:flex;align-items:center;gap:10px}
.objective svg{width:18px;height:18px;color:var(--neon);flex:none}
.stageWrap{position:relative;flex:1;min-height:0;margin:0 14px 14px;border-radius:18px;overflow:hidden;border:1px solid var(--stroke);
  background:#05081a}
#gameCanvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:none}

.overlay{position:absolute;inset:0;z-index:10;display:flex;align-items:center;justify-content:center;padding:24px;
  background:rgba(4,6,16,.72);backdrop-filter:blur(6px);opacity:0;pointer-events:none;transition:opacity .25s}
.overlay.show{opacity:1;pointer-events:auto}
.panel{width:100%;max-width:560px;padding:26px;border-radius:22px;text-align:center;max-height:88%;overflow-y:auto}
.panel h3{font-size:1.5rem;font-weight:900;margin-bottom:6px}
.panel .lead{color:var(--muted);font-size:.94rem;line-height:1.5}
.oicon{width:78px;height:78px;margin:0 auto 14px;border-radius:20px;display:grid;place-items:center;
  background:rgba(52,245,214,.12);border:1px solid var(--stroke2)}
.oicon svg{width:40px;height:40px}
.oicon.win{background:rgba(67,224,138,.14);border-color:rgba(67,224,138,.4)}
.oicon.lose{background:rgba(255,93,108,.14);border-color:rgba(255,93,108,.4)}
.howto{text-align:left;margin:16px 0;display:flex;flex-direction:column;gap:9px}
.howto li{list-style:none;display:flex;gap:10px;font-size:.9rem;color:var(--muted);line-height:1.4}
.howto li b{color:var(--neon);flex:none}
.bigStars{display:flex;justify-content:center;gap:10px;margin:14px 0}
.bigStars svg{width:46px;height:46px}
.bigStars .on{color:var(--gold);filter:drop-shadow(0 0 12px rgba(255,211,77,.7));animation:pop .4s ease}
.bigStars .off{color:rgba(255,255,255,.14)}
@keyframes pop{0%{transform:scale(0)}70%{transform:scale(1.25)}100%{transform:scale(1)}}
.endStats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}
.endStat{padding:12px;border-radius:13px;background:rgba(255,255,255,.05);border:1px solid var(--stroke)}
.endStat .v{font-weight:900;font-size:1.2rem}
.endStat .l{font-size:.66rem;letter-spacing:1px;text-transform:uppercase;color:var(--muted);margin-top:3px}
.reward{display:inline-flex;gap:14px;margin:6px 0 4px;padding:10px 16px;border-radius:12px;background:rgba(255,211,77,.1);border:1px solid rgba(255,211,77,.3);font-weight:800}
.reward .rx{color:var(--gold)}
.reward .rc{color:var(--neon)}

.lesson{text-align:left}
.lesson .lblk{padding:13px 15px;border-radius:13px;background:rgba(255,255,255,.04);border:1px solid var(--stroke);margin-bottom:10px}
.lesson .lblk h4{font-size:.82rem;letter-spacing:1px;text-transform:uppercase;color:var(--neon2);margin-bottom:5px;display:flex;align-items:center;gap:7px}
.lesson .lblk h4 svg{width:15px;height:15px}
.lesson .lblk p,.lesson .lblk li{font-size:.9rem;color:var(--txt);line-height:1.5}
.lesson .lblk ul{padding-left:18px;display:flex;flex-direction:column;gap:4px}
.lesson .lblk.bad h4{color:var(--danger)}
.lesson .lblk.good h4{color:var(--ok)}

.quiz .q{font-weight:800;font-size:1.05rem;margin:6px 0 14px;line-height:1.35}
.quiz .opts{display:flex;flex-direction:column;gap:10px}
.qopt{padding:14px 16px;border-radius:13px;cursor:pointer;text-align:left;font-weight:600;font-size:.94rem;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);transition:.14s}
.qopt:hover{border-color:var(--stroke2);background:rgba(255,255,255,.07)}
.qopt.correct{background:rgba(67,224,138,.16);border-color:rgba(67,224,138,.5)}
.qopt.wrong{background:rgba(255,93,108,.16);border-color:rgba(255,93,108,.5)}
.qopt.dim{opacity:.5}
.qprog{display:flex;gap:6px;justify-content:center;margin-bottom:14px}
.qprog i{width:30px;height:5px;border-radius:5px;background:rgba(255,255,255,.12)}
.qprog i.on{background:var(--neon)}
.qprog i.bad{background:var(--danger)}

.termList{display:flex;flex-direction:column;gap:10px}
.term{padding:15px 17px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--stroke)}
.term h4{font-size:1.02rem;font-weight:800;display:flex;align-items:center;gap:10px}
.term .cat{font-size:.66rem;letter-spacing:1px;text-transform:uppercase;padding:3px 9px;border-radius:999px;background:rgba(52,245,214,.12);color:var(--neon);font-weight:700}
.term p{color:var(--muted);font-size:.9rem;line-height:1.5;margin-top:7px}
.term.locked{opacity:.5}
.term.locked p{filter:blur(4px)}
.searchBox{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:13px;background:var(--glass);border:1px solid var(--stroke);margin-bottom:16px}
.searchBox svg{width:18px;height:18px;color:var(--muted)}
.searchBox input{flex:1;background:none;border:none;outline:none;color:var(--txt);font-size:.95rem;font-family:inherit}

.lbRow{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--stroke);margin-bottom:9px}
.lbRow.me{background:rgba(52,245,214,.1);border-color:var(--stroke2)}
.lbPos{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-weight:900;background:rgba(255,255,255,.06);flex:none}
.lbPos.gold{background:linear-gradient(135deg,#ffd34d,#ff9d2e);color:#3a2400}
.lbPos.silver{background:linear-gradient(135deg,#dfe7f5,#9fb0d8);color:#1a2238}
.lbPos.bronze{background:linear-gradient(135deg,#e7a663,#b9712f);color:#2a1600}
.lbName{font-weight:800}
.lbRank{font-size:.76rem;color:var(--muted)}
.lbXp{margin-left:auto;text-align:right}
.lbXp .v{font-weight:900;color:var(--gold)}
.lbXp .l{font-size:.7rem;color:var(--muted)}

.achGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:13px}
.ach{display:flex;gap:12px;padding:14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--stroke)}
.ach.locked{opacity:.45}
.ach .ai{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;flex:none;background:rgba(255,211,77,.12);border:1px solid rgba(255,211,77,.3)}
.ach .ai svg{width:22px;height:22px;color:var(--gold)}
.ach.locked .ai{background:rgba(255,255,255,.05);border-color:var(--stroke)}
.ach.locked .ai svg{color:var(--dim)}
.ach h4{font-size:.94rem;font-weight:800}
.ach p{font-size:.78rem;color:var(--muted);margin-top:3px;line-height:1.35}

.toast{position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px;pointer-events:none}
.toastItem{display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:14px;min-width:240px;
  background:linear-gradient(120deg,rgba(30,42,86,.95),rgba(18,24,52,.95));border:1px solid var(--stroke2);
  box-shadow:0 18px 40px -16px rgba(0,0,0,.8);transform:translateX(120%);animation:slideIn .4s forwards}
.toastItem .ti{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:none;background:rgba(255,211,77,.14)}
.toastItem .ti svg{width:21px;height:21px;color:var(--gold)}
.toastItem .tt{font-weight:800;font-size:.9rem}
.toastItem .ts{font-size:.76rem;color:var(--muted)}
.toastItem.out{animation:slideOut .35s forwards}
@keyframes slideIn{to{transform:translateX(0)}}
@keyframes slideOut{to{transform:translateX(120%);opacity:0}}

.creditRole{font-size:.72rem;letter-spacing:2px;text-transform:uppercase;color:var(--neon2);font-weight:700;margin-top:18px}
.creditName{font-size:1.05rem;font-weight:700}
.fadeUp{animation:fadeUp .5s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:translateY(0)}}

.hidden{display:none!important}
body.cb{filter:saturate(.6) contrast(1.05)}
body.cb .gameGenre,body.cb .star.on{filter:none}
@media(max-width:680px){
  .wrap{padding:0 14px}
  .hstats{width:100%;order:3;justify-content:flex-start}
  .menuGrid{max-width:420px}
  .endStats{grid-template-columns:1fr 1fr}
}