:root{--bg:#0b1030;--ink:#f4f6ff;--mut:#aab2d5;--glass:rgba(14,19,48,.82);--line:rgba(255,255,255,.14);--acc:#ffc247;--acc2:#7c5cff;--good:#3ddc97;--bad:#ff5d73;--warn:#ffc247;--r:18px;--pw:min(540px,46vw)}
body.q-q1{--acc:#ff6f91;--acc2:#f2b33d}
body.q-q2{--acc:#19e3c2;--acc2:#ff3b5c}
body.q-q3{--acc:#ff8a2a;--acc2:#4d8dff}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow:hidden}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
#stage3d{position:fixed;inset:0;background:radial-gradient(120% 90% at 50% 0%,#27307a 0%,#0b1030 70%)}
#stage3d canvas{width:100%;height:100%;display:block}
body.q-q1.no3d #stage3d{background:linear-gradient(160deg,#f7d6bf,#e0567a 55%,#5a2a4a)}
body.q-q2.no3d #stage3d{background:linear-gradient(160deg,#0e2a4a,#060a17 60%,#2a0d1c)}
body.q-q3.no3d #stage3d{background:linear-gradient(160deg,#8fd0ff,#2a6bff 60%,#ff7a1a)}
body.mode-level #stage3d{right:var(--pw)}
#ui{position:fixed;inset:0;pointer-events:none}
#ui>*{pointer-events:auto}
.glass{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:var(--r);box-shadow:0 18px 50px rgba(0,0,0,.35)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:14px;font-weight:700;letter-spacing:.2px;background:rgba(255,255,255,.1);border:1px solid var(--line);transition:transform .12s,background .15s,opacity .15s}
.btn:hover{background:rgba(255,255,255,.17)}
.btn:active{transform:scale(.97)}
.btn.primary{background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0b1030;border:0;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.btn.primary:hover{filter:brightness(1.08)}
.btn[disabled]{opacity:.4;pointer-events:none}
.btn.sm{min-height:38px;padding:6px 14px;font-size:14px;border-radius:11px}
.btn.wide{width:100%}
.ic{width:44px;height:44px;border-radius:12px;background:rgba(255,255,255,.1);border:1px solid var(--line);font-size:18px;flex:none}
.ic:hover{background:rgba(255,255,255,.2)}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.row.end{justify-content:flex-end}
.row.between{justify-content:space-between}
.grow{flex:1}
.mut{color:var(--mut)}
.tag{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:700;background:rgba(255,255,255,.12);border:1px solid var(--line);letter-spacing:.4px}
.tag.acc{background:var(--acc);color:#0b1030;border:0}
h1,h2,h3{margin:0;line-height:1.15}
p{margin:.4em 0}

/* Title */
.title{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding:24px 20px max(32px,env(safe-area-inset-bottom));text-align:center;background:linear-gradient(180deg,rgba(11,16,48,.15) 0%,rgba(11,16,48,0) 35%,rgba(11,16,48,.9) 78%)}
.logo{font-weight:900;font-size:clamp(44px,9vw,96px);letter-spacing:-.02em;line-height:.9;text-shadow:0 6px 30px rgba(0,0,0,.5)}
.logo b{display:block;background:linear-gradient(90deg,#ffc247,#ff6f91,#7c5cff);-webkit-background-clip:text;background-clip:text;color:transparent}
.tagline{font-size:clamp(15px,2.4vw,20px);letter-spacing:.34em;text-transform:uppercase;color:var(--mut);margin:14px 0 22px}
.title .card{width:min(440px,100%);padding:18px}
.title input,.field{width:100%;min-height:48px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:var(--ink);font:inherit}
.title .foot{margin-top:14px;font-size:13px;color:var(--mut)}

/* Hub */
.topbar{position:absolute;top:0;left:0;right:0;display:flex;align-items:center;gap:12px;padding:max(12px,env(safe-area-inset-top)) 16px 12px}
.rank{display:flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;border-radius:99px}
.rank .lv{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-weight:900;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0b1030}
.rank b{display:block;font-size:14px;line-height:1.1}
.rank small{color:var(--mut);font-size:12px}
.bar{height:6px;border-radius:9px;background:rgba(255,255,255,.14);overflow:hidden;min-width:90px;margin-top:4px}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--acc),var(--acc2));border-radius:9px;transition:width .5s}
.hubcard{position:absolute;left:50%;bottom:max(18px,env(safe-area-inset-bottom));transform:translateX(-50%);width:min(620px,calc(100% - 24px));padding:20px 20px 16px}
.hubcard h2{font-size:clamp(24px,4.4vw,36px);font-weight:900;letter-spacing:.02em}
.hubcard .sub{color:var(--acc);font-weight:800;letter-spacing:.18em;text-transform:uppercase;font-size:13px;margin-top:4px}
.hubnav{display:flex;align-items:center;gap:10px;margin-top:12px}
.dots{display:flex;gap:6px;justify-content:center;margin:10px 0 0}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.25)}
.dots i.on{background:var(--acc);width:22px;border-radius:6px}

/* Map */
.map{position:absolute;inset:0;display:flex;flex-direction:column;background:linear-gradient(90deg,rgba(11,16,48,.9),rgba(11,16,48,.25) 70%,rgba(11,16,48,0))}
.map .head{padding:max(14px,env(safe-area-inset-top)) 16px 8px;display:flex;gap:12px;align-items:center}
.map .head h2{font-size:clamp(20px,3.5vw,30px);font-weight:900}
.map .scroll{flex:1;overflow:auto;padding:6px 16px 30px;-webkit-overflow-scrolling:touch}
.meters{display:flex;gap:10px;flex-wrap:wrap;margin:4px 0 14px;max-width:560px}
.meter{flex:1;min-width:150px;padding:10px 12px}
.meter b{font-size:13px}
.nodes{display:flex;flex-direction:column;gap:10px;max-width:560px}
.node{display:flex;align-items:center;gap:14px;padding:12px 14px;text-align:left;width:100%;transition:transform .15s}
.node:nth-child(even){margin-left:clamp(0px,5vw,48px)}
.node:hover:not(.locked){transform:translateX(6px)}
.node .n{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;font-weight:900;font-size:18px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0b1030;flex:none}
.node.locked{opacity:.5;cursor:not-allowed}
.node.locked .n{background:rgba(255,255,255,.14);color:var(--mut)}
.node b{display:block;font-size:16px}
.node small{color:var(--mut)}
.stars{letter-spacing:2px;color:var(--acc);font-size:15px;white-space:nowrap}
.stars s{text-decoration:none;opacity:.25}

/* Level panel */
.panel{position:absolute;top:0;right:0;bottom:0;width:var(--pw);display:flex;flex-direction:column;background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-left:1px solid var(--line)}
.phead{display:flex;align-items:center;gap:10px;padding:max(10px,env(safe-area-inset-top)) 14px 8px}
.phead small{display:block;color:var(--acc);font-weight:800;letter-spacing:.14em;text-transform:uppercase;font-size:11px}
.phead b{font-size:17px;line-height:1.15;display:block}
.hearts{font-size:15px;white-space:nowrap}
.steps{display:flex;gap:4px;padding:0 14px 10px}
.steps span{flex:1;text-align:center;font-size:11px;font-weight:800;letter-spacing:.06em;padding:6px 2px;border-radius:9px;background:rgba(255,255,255,.07);color:var(--mut);text-transform:uppercase;white-space:nowrap;overflow:hidden}
.steps span.on{background:var(--acc);color:#0b1030}
.steps span.done{color:var(--good)}
.pbody{flex:1;overflow:auto;padding:6px 16px 22px;-webkit-overflow-scrolling:touch}
.prog{height:5px;background:rgba(255,255,255,.1);border-radius:9px;margin:0 0 14px;overflow:hidden}
.prog i{display:block;height:100%;background:var(--acc);transition:width .4s}
.kicker{font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--acc);margin:4px 0 6px}
.card{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:16px;padding:16px}
.card+.card,.card+.row,.row+.card{margin-top:12px}

/* Dialogue */
.dlg{animation:rise .25s ease}
@keyframes rise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.who{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.av{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:900;color:#0b1030;flex:none;border:2px solid rgba(255,255,255,.5)}
.who b{display:block;line-height:1.1}
.who small{color:var(--mut);font-size:12px}
.line{font-size:18px;line-height:1.45;margin:0;min-height:1.4em}
.narr .line{font-style:italic;color:#dfe4ff}
.de{color:#ffe2a8;font-size:14.5px;border-left:3px solid var(--warn);padding-left:10px;margin-top:10px}
.me{margin:12px 0 0 28px;background:linear-gradient(135deg,rgba(255,255,255,.16),rgba(255,255,255,.08));border-radius:16px 16px 4px 16px;padding:10px 14px;border:1px solid var(--line)}
.me small{color:var(--acc);font-weight:800;letter-spacing:.1em;text-transform:uppercase;font-size:11px;display:block}
.hidden-text{filter:blur(7px);user-select:none}

/* Options */
.opts{display:flex;flex-direction:column;gap:9px;margin-top:14px}
.opt{text-align:left;padding:13px 15px;border-radius:14px;background:rgba(255,255,255,.07);border:1.5px solid var(--line);font-size:16px;line-height:1.35;transition:background .15s,border-color .15s,transform .1s}
.opt:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4)}
.opt:active{transform:scale(.985)}
.opt.good{border-color:var(--good);background:rgba(61,220,151,.16)}
.opt.ok{border-color:var(--warn);background:rgba(255,194,71,.14)}
.opt.bad{border-color:var(--bad);background:rgba(255,93,115,.14);opacity:.75}
.opt[disabled]{pointer-events:none}
.fb{margin-top:12px;padding:12px 14px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.06);animation:rise .2s}
.fb.good{border-color:var(--good);background:rgba(61,220,151,.12)}
.fb.ok{border-color:var(--warn);background:rgba(255,194,71,.1)}
.fb.bad{border-color:var(--bad);background:rgba(255,93,115,.1)}
.fb b{display:block;margin-bottom:2px}
.fb .de{margin-top:8px}

/* Vocab */
.vcard{text-align:center;padding:22px 16px}
.vcard .emo{font-size:54px;line-height:1;filter:drop-shadow(0 6px 12px rgba(0,0,0,.4))}
.vcard h3{font-size:clamp(22px,3vw,28px);margin:10px 0 2px}
.vcard .ipa{font-family:"Lucida Sans Unicode","Arial Unicode MS",system-ui;color:var(--mut)}
.vcard .ger{font-size:18px;color:#ffe2a8;font-weight:700;margin:8px 0}
.vcard .ex{font-size:16px;background:rgba(0,0,0,.22);border-radius:12px;padding:10px 12px;margin:10px 0;text-align:left}
.vcard .note{font-size:14px;color:var(--mut);text-align:left}

/* Exercises */
.match{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:12px}
.match button{min-height:52px;padding:9px 10px;border-radius:13px;background:rgba(255,255,255,.07);border:1.5px solid var(--line);font-size:15px;line-height:1.25}
.match button.sel{border-color:var(--acc);background:rgba(255,255,255,.18)}
.match button.done{border-color:var(--good);background:rgba(61,220,151,.14);opacity:.65;pointer-events:none}
.match button.err{border-color:var(--bad);animation:shake .3s}
@keyframes shake{25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
.slot{min-height:58px;border-radius:14px;border:1.5px dashed rgba(255,255,255,.35);padding:8px;display:flex;flex-wrap:wrap;gap:7px;margin:12px 0}
.bank{display:flex;flex-wrap:wrap;gap:7px}
.chip{padding:9px 13px;border-radius:11px;background:rgba(255,255,255,.12);border:1px solid var(--line);font-weight:600;font-size:16px}
.chip.used{opacity:.25;pointer-events:none}
.gap{display:inline-block;min-width:70px;border-bottom:2.5px solid var(--acc);text-align:center;color:var(--acc);font-weight:800}
.frow{display:flex;gap:8px;align-items:center;padding:10px 0;border-bottom:1px solid var(--line)}
.frow p{flex:1;margin:0}
.frow .btn.sel{background:var(--acc);color:#0b1030}
.frow.right p{color:var(--good)}.frow.wrong p{color:var(--bad)}
textarea.field{min-height:110px;resize:vertical;font-size:16px;line-height:1.45}
.bigplay{width:84px;height:84px;border-radius:50%;font-size:32px;background:linear-gradient(135deg,var(--acc),var(--acc2));color:#0b1030;display:grid;place-items:center;margin:14px auto;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.rec.on{animation:pulse 1s infinite;background:var(--bad);color:#fff}
@keyframes pulse{50%{box-shadow:0 0 0 14px rgba(255,93,115,.18)}}
.heard{background:rgba(0,0,0,.22);border-radius:12px;padding:10px 12px;margin-top:10px}
.heard .hit{color:var(--good);font-weight:700}.heard .miss{color:var(--mut);text-decoration:underline dotted}

/* Results */
.result{text-align:center}
.result h2{font-size:28px;font-weight:900}
.bigstars{font-size:46px;letter-spacing:6px;color:var(--acc);margin:6px 0}
.bigstars s{text-decoration:none;opacity:.2}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.stats div{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:14px;padding:10px 4px}
.stats b{display:block;font-size:22px}
.stats small{color:var(--mut);font-size:12px}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chips span{padding:4px 10px;border-radius:99px;background:rgba(255,255,255,.1);font-size:13.5px;border:1px solid var(--line)}
.mist{text-align:left;font-size:14.5px;padding:10px 0;border-bottom:1px solid var(--line)}
.mist:last-child{border:0}
.mist .x{color:var(--bad)}.mist .v{color:var(--good)}
details summary{cursor:pointer;font-weight:700;padding:6px 0}
.left{text-align:left}

/* Modal + toast */
#modal{position:fixed;inset:0;background:rgba(5,8,24,.7);display:grid;place-items:center;padding:16px;z-index:20;backdrop-filter:blur(4px)}
#modal[hidden]{display:none}
.sheet{width:min(560px,100%);max-height:90vh;overflow:auto;padding:20px}
.sheet h2{font-size:22px;margin-bottom:12px}
.setrow{padding:12px 0;border-bottom:1px solid var(--line)}
.setrow:last-of-type{border:0}
.seg{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.seg .btn.sel{background:var(--acc);color:#0b1030;border-color:transparent}
.pick{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pick button{padding:16px 10px;border-radius:16px;border:1.5px solid var(--line);background:rgba(255,255,255,.06);text-align:center}
.pick button:hover{border-color:var(--acc)}
.pick .av{margin:0 auto 8px;width:64px;height:64px;font-size:26px}
#toast{position:fixed;left:50%;top:18px;transform:translate(-50%,-80px);background:#fff;color:#0b1030;font-weight:700;padding:10px 18px;border-radius:99px;transition:transform .3s;z-index:30;max-width:90vw;text-align:center;box-shadow:0 10px 30px rgba(0,0,0,.4)}
#toast.on{transform:translate(-50%,0)}
.ending{position:absolute;inset:0;overflow:auto;display:grid;place-items:center;padding:20px;background:rgba(8,11,34,.55)}
.ending .sheet{text-align:center}
.ending .big{font-size:64px}

@media (max-width:820px){
  :root{--pw:100%}
  body.mode-level #stage3d{right:0;bottom:auto;height:34vh}
  .panel{top:calc(34vh - 16px);left:0;width:100%;border-left:0;border-top:1px solid var(--line);border-radius:18px 18px 0 0}
  .phead{padding-top:10px}
  .line{font-size:17px}
  .map{background:linear-gradient(180deg,rgba(11,16,48,.55),rgba(11,16,48,.92) 45%)}
  .rank small{display:none}
  .vcard .emo{font-size:42px}
  .vcard{padding:14px}
  .steps span{letter-spacing:0;font-size:10.5px}
  .steps .ck{display:none}
}
.steps .ck{font-style:normal}
/* room-change wipe: a closing circle, a "clear" card, then the circle opens on the next room */
#fx{position:fixed;inset:0;z-index:25;overflow:hidden;cursor:pointer}
#fx[hidden]{display:none}
#fx .hole{position:absolute;left:50%;top:42%;width:var(--ir,300vmax);height:var(--ir,300vmax);transform:translate(-50%,-50%);border-radius:50%;box-shadow:0 0 0 300vmax #070a1f;transition:width .6s cubic-bezier(.65,0,.35,1),height .6s cubic-bezier(.65,0,.35,1)}
#fx .fxcard{position:absolute;inset:0;display:grid;place-content:center;gap:10px;text-align:center;color:#fff;padding:24px;opacity:0;transition:opacity .2s}
#fx.show .fxcard{opacity:1}
.fxcard .k{font-size:13px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--mut)}
.fxcard .big{font:900 clamp(34px,8vw,64px)/1 system-ui,sans-serif;letter-spacing:.03em;background:linear-gradient(90deg,var(--acc),#fff 60%,var(--acc));-webkit-background-clip:text;background-clip:text;color:transparent}
.fxcard .stars{font-size:clamp(30px,7vw,48px);letter-spacing:.15em}
.fxcard .stars i{display:inline-block;font-style:normal;color:#ffc247;animation:pop .4s backwards}
.fxcard .stars i.off{color:rgba(255,255,255,.18)}
.fxcard .stars i:nth-child(2){animation-delay:.15s}.fxcard .stars i:nth-child(3){animation-delay:.3s}
.fxcard .next{font-size:17px;font-weight:700}
.fxcard .next small{display:block;font-weight:500;color:var(--mut);margin-top:4px}
.fxcard .skip{font-size:12px;color:var(--mut);margin-top:14px}
@keyframes pop{from{transform:scale(0) rotate(-30deg)}70%{transform:scale(1.3)}to{transform:scale(1)}}
.secban{position:fixed;left:50%;top:14px;transform:translateX(-50%);z-index:24;background:var(--acc);color:#0b1030;font-weight:900;letter-spacing:.06em;padding:10px 20px;border-radius:99px;box-shadow:0 10px 30px rgba(0,0,0,.35);animation:ban 1.4s both;white-space:nowrap}
@keyframes ban{0%{transform:translate(-50%,-90px)}15%,80%{transform:translate(-50%,0)}100%{transform:translate(-50%,-90px)}}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* sign-up, profile and dashboard */
.err{color:#ffb3bf;font-size:14px;margin-top:8px;text-align:left}
.err:empty{display:none}
.codein{text-align:center;font-size:28px!important;letter-spacing:.4em;font-weight:800}
select.field option{color:#0b1030}
.title .card label{display:block;text-align:left}
.dash{background:rgba(11,16,48,.86)}
.dwrap{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.prof{display:flex;align-items:center;gap:14px;padding:14px}
.prof small{display:block;color:var(--mut);margin-top:2px}
.prof .col{display:flex;flex-direction:column;gap:6px}
.av.big{width:54px;height:54px;font-size:24px;background:var(--acc)}
.dstats{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}
.dstats>div{border-radius:14px;padding:10px 6px;text-align:center}
.dstats b{display:block;font-size:20px}
.dstats small{color:var(--mut);font-size:12px}
.vgrp{margin:16px 0 4px;font-size:12px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--acc)}
.vrow{display:flex;gap:12px;align-items:flex-start;padding:10px 0;border-bottom:1px solid var(--line)}
.vrow .vic{font-size:24px;width:30px;text-align:center}
.vrow .vtr{color:#ffe08a;margin:2px 0}
.vrow small{display:block}
@media (max-width:620px){.dstats{grid-template-columns:repeat(3,1fr)}.prof{flex-wrap:wrap}.prof .col{flex-direction:row;width:100%}}