/* ============================================================
   Foljet Gjermane B2 — stylesheet
   Dark, mobile-first, dopamine-driven UI
   ============================================================ */

:root{
  --bg:#0b1020;
  --bg2:#131a33;
  --card:rgba(255,255,255,.05);
  --card-brd:rgba(255,255,255,.09);
  --card-solid:#161d38;
  --txt:#eef2ff;
  --muted:#9aa6d0;
  --muted2:#6b76a3;

  --accent:#7c3aed;
  --accent2:#22d3ee;
  --grad:linear-gradient(135deg,#7c3aed 0%,#4f46e5 45%,#22d3ee 100%);
  --grad-soft:linear-gradient(135deg,rgba(124,58,237,.25),rgba(34,211,238,.18));

  --good:#22c55e;
  --good-d:#16a34a;
  --bad:#ef4444;
  --bad-d:#dc2626;
  --gold:#fbbf24;

  --radius:22px;
  --radius-sm:14px;
  --tap:#00000000;

  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --shadow:0 12px 40px rgba(0,0,0,.45);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:var(--tap);margin:0;padding:0}
html,body{height:100%}
button,.level-cell,.opt,.dir-opt,.q-card,.brand-mark,.stat,.switch-row{
  -webkit-user-select:none;user-select:none;touch-action:manipulation;
}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,system-ui,sans-serif;
  color:var(--txt);
  background:
    radial-gradient(1200px 700px at 15% -10%,rgba(124,58,237,.28),transparent 55%),
    radial-gradient(1000px 700px at 110% 10%,rgba(34,211,238,.18),transparent 50%),
    linear-gradient(180deg,var(--bg),var(--bg2));
  background-attachment:fixed;
  min-height:100dvh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

#app{
  max-width:520px;
  margin:0 auto;
  padding:calc(var(--safe-t) + 14px) 18px calc(var(--safe-b) + 26px);
  min-height:100dvh;
}

/* ---------- Screens ---------- */
.screen{display:none;animation:screen-in .38s cubic-bezier(.2,.8,.2,1)}
.screen.is-active{display:block}
@keyframes screen-in{from{opacity:0;transform:translateY(14px) scale(.99)}to{opacity:1;transform:none}}

.card{
  background:var(--card);
  border:1px solid var(--card-brd);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ============================================================
   HOME
   ============================================================ */
.home-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  font-weight:800;font-size:18px;letter-spacing:.5px;
  background:var(--grad);color:#fff;
  box-shadow:0 8px 24px rgba(79,70,229,.5);
}
.brand-text h1{font-size:20px;font-weight:800;letter-spacing:-.3px}
.brand-text p{font-size:12.5px;color:var(--muted);margin-top:2px}

.icon-btn{
  width:42px;height:42px;border-radius:12px;
  background:var(--card);border:1px solid var(--card-brd);
  color:var(--txt);font-size:18px;cursor:pointer;
  display:grid;place-items:center;transition:transform .15s,background .2s;
}
.icon-btn:active{transform:scale(.9)}

/* Hero */
.hero{display:flex;align-items:center;gap:18px;padding:18px;margin-bottom:16px}
.hero-ring{position:relative;width:104px;height:104px;flex:0 0 auto}
.ring{width:104px;height:104px;transform:rotate(-90deg)}
.ring-bg{fill:none;stroke:rgba(255,255,255,.08);stroke-width:9}
.ring-fg{
  fill:none;stroke:url(#grad-stroke);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:327;stroke-dashoffset:327;
  transition:stroke-dashoffset 1s cubic-bezier(.2,.8,.2,1);
  filter:drop-shadow(0 0 6px rgba(124,58,237,.6));
}
.ring-label{position:absolute;inset:0;display:grid;place-content:center;text-align:center;transform:none}
.ring-label span{font-size:23px;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.ring-label small{display:block;font-size:10.5px;color:var(--muted);margin-top:1px}

.hero-stats{flex:1;display:flex;flex-direction:column;gap:10px}
.stat{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid rgba(255,255,255,.06);padding-bottom:7px}
.stat:last-child{border-bottom:none;padding-bottom:0}
.stat-val{font-size:17px;font-weight:800}
.stat-key{font-size:12px;color:var(--muted)}

/* Direction toggle */
.dir-toggle{
  position:relative;display:grid;grid-template-columns:1fr 1fr;
  background:var(--card);border:1px solid var(--card-brd);
  border-radius:16px;padding:5px;margin-bottom:16px;overflow:hidden;
}
.dir-opt{
  position:relative;z-index:2;background:none;border:none;cursor:pointer;
  padding:11px 6px;font-size:13.5px;font-weight:700;color:var(--muted);
  transition:color .25s;border-radius:12px;
}
.dir-opt.is-on{color:#fff}
.dir-thumb{
  position:absolute;z-index:1;top:5px;left:5px;bottom:5px;width:calc(50% - 5px);
  background:var(--grad);border-radius:12px;
  box-shadow:0 6px 18px rgba(79,70,229,.45);
  transition:transform .3s cubic-bezier(.2,.8,.2,1);
}
.dir-toggle[data-dir="de2sq"] .dir-thumb{transform:translateX(100%)}

/* Continue button */
.btn{
  width:100%;border:none;cursor:pointer;font-family:inherit;
  border-radius:16px;font-weight:800;font-size:16px;color:#fff;
  padding:16px;transition:transform .14s,box-shadow .25s,background .2s;
  display:flex;flex-direction:column;align-items:center;gap:2px;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--grad);box-shadow:0 12px 30px rgba(79,70,229,.45)}
.btn-continue{margin-bottom:10px}
.btn-continue-main{font-size:16.5px}
.btn-continue-sub{font-size:12.5px;font-weight:600;opacity:.85}
.btn-ghost{background:var(--card);border:1px solid var(--card-brd);color:var(--txt);font-size:14px;font-weight:700}
.btn-danger{background:linear-gradient(135deg,#ef4444,#b91c1c);box-shadow:0 10px 24px rgba(239,68,68,.35)}

.section-title{font-size:15px;font-weight:800;margin:22px 4px 12px;color:var(--txt)}

/* Levels grid */
.levels-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:11px}
@media(min-width:420px){.levels-grid{grid-template-columns:repeat(5,1fr)}}
.level-cell{
  position:relative;aspect-ratio:1;border-radius:16px;cursor:pointer;
  background:var(--card);border:1px solid var(--card-brd);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  transition:transform .15s,border-color .2s,background .2s;
  overflow:hidden;
}
.level-cell:active{transform:scale(.93)}
.level-cell .lv-num{font-size:19px;font-weight:800}
.level-cell .lv-stars{font-size:10px;letter-spacing:1px;color:var(--gold);height:12px}
.level-cell.is-locked{opacity:.5}
.level-cell.is-locked .lv-num{color:var(--muted2)}
.level-cell.is-locked::after{content:"🔒";position:absolute;font-size:13px;bottom:7px;filter:grayscale(1);opacity:.8}
.level-cell.is-locked .lv-stars{display:none}
.level-cell.is-done{border-color:rgba(34,197,94,.5);background:linear-gradient(160deg,rgba(34,197,94,.14),var(--card))}
.level-cell.is-current{border-color:rgba(124,58,237,.7);box-shadow:0 0 0 2px rgba(124,58,237,.25);animation:pulse-b 2.4s infinite}
@keyframes pulse-b{0%,100%{box-shadow:0 0 0 2px rgba(124,58,237,.25)}50%{box-shadow:0 0 0 5px rgba(124,58,237,.05)}}
.level-cell.is-done .lv-check{position:absolute;top:6px;right:7px;font-size:11px;color:var(--good)}

.foot{text-align:center;color:var(--muted2);font-size:11.5px;margin-top:26px}

/* ============================================================
   CATEGORIES (menu)
   ============================================================ */
.cats-grid{display:flex;flex-direction:column;gap:12px}
.cat-card{
  display:flex;align-items:center;gap:14px;cursor:pointer;text-align:left;
  background:var(--card);border:1px solid var(--card-brd);border-radius:18px;padding:15px 16px;
  transition:transform .15s,border-color .2s,background .2s;
}
.cat-card:active{transform:scale(.98)}
.cc-icon{
  width:50px;height:50px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;font-size:24px;
  background:var(--grad-soft);border:1px solid var(--card-brd);
}
.cc-body{flex:1;min-width:0}
.cc-name{font-size:16.5px;font-weight:800}
.cc-sub{font-size:12.5px;color:var(--muted);margin:1px 0 8px}
.cc-bar{height:6px;border-radius:6px;background:rgba(255,255,255,.08);overflow:hidden}
.cc-bar span{display:block;height:100%;border-radius:6px;background:var(--grad);transition:width .6s cubic-bezier(.2,.8,.2,1)}
.cc-meta{font-size:13px;font-weight:800;color:var(--muted);flex:0 0 auto;font-variant-numeric:tabular-nums}

/* Category screen header */
.cat-head{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.cat-title{flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.cat-icon{font-size:22px}
.cat-title h2{font-size:19px;font-weight:800;letter-spacing:-.3px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cat-progress{font-size:14px;font-weight:800;color:var(--muted);background:var(--card);border:1px solid var(--card-brd);padding:6px 12px;border-radius:12px;font-variant-numeric:tabular-nums}

/* ============================================================
   QUIZ
   ============================================================ */
#screen-quiz{display:none}
#screen-quiz.is-active{display:flex;flex-direction:column;min-height:calc(100dvh - 40px)}
.quiz-head{display:flex;align-items:center;gap:12px;margin-bottom:26px}
.progress-track{flex:1;height:10px;border-radius:10px;background:rgba(255,255,255,.08);overflow:hidden}
.progress-fill{height:100%;width:0;border-radius:10px;background:var(--grad);transition:width .45s cubic-bezier(.2,.8,.2,1)}
.streak-pill{
  min-width:56px;text-align:center;font-weight:800;font-size:14px;
  padding:7px 11px;border-radius:12px;background:var(--card);border:1px solid var(--card-brd);
  transition:transform .2s;
}
.streak-pill.bump{animation:bump .4s}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.28)}100%{transform:scale(1)}}
.streak-pill.hot{background:linear-gradient(135deg,rgba(251,146,60,.35),rgba(239,68,68,.3));border-color:rgba(251,146,60,.5)}

.quiz-body{flex:1;display:flex;flex-direction:column}
.q-meta{display:flex;justify-content:space-between;align-items:center;color:var(--muted);font-size:13px;font-weight:700;margin-bottom:14px}
.q-level-tag{background:var(--card);border:1px solid var(--card-brd);padding:4px 10px;border-radius:10px;font-size:11.5px}

.q-card{
  background:var(--grad-soft);border:1px solid var(--card-brd);
  border-radius:var(--radius);padding:34px 22px;text-align:center;
  margin-bottom:22px;min-height:150px;display:flex;flex-direction:column;justify-content:center;gap:10px;
  animation:q-pop .35s cubic-bezier(.2,.8,.2,1);
}
@keyframes q-pop{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.q-hint{font-size:12.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.6px}
.q-prompt{font-size:34px;font-weight:800;letter-spacing:-.5px;line-height:1.15;word-break:break-word}

.q-options{display:flex;flex-direction:column;gap:12px;margin-top:auto;padding-bottom:8px}
.opt{
  width:100%;text-align:left;cursor:pointer;font-family:inherit;
  background:var(--card-solid);border:1.5px solid var(--card-brd);
  border-radius:16px;padding:17px 18px;font-size:17px;font-weight:700;color:var(--txt);
  display:flex;align-items:center;gap:13px;
  transition:transform .12s,border-color .2s,background .2s;
  animation:opt-in .4s both;
}
.opt:nth-child(1){animation-delay:.03s}
.opt:nth-child(2){animation-delay:.09s}
.opt:nth-child(3){animation-delay:.15s}
@keyframes opt-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.opt:active{transform:scale(.98)}
.opt .opt-key{
  width:28px;height:28px;flex:0 0 auto;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;background:rgba(255,255,255,.08);color:var(--muted);
}
.opt.correct{border-color:var(--good);background:linear-gradient(120deg,rgba(34,197,94,.25),rgba(34,197,94,.08));animation:correct-pop .5s}
.opt.correct .opt-key{background:var(--good);color:#04210f}
.opt.wrong{border-color:var(--bad);background:linear-gradient(120deg,rgba(239,68,68,.22),rgba(239,68,68,.06));animation:shake .45s}
.opt.wrong .opt-key{background:var(--bad);color:#2a0606}
.opt.dim{opacity:.4}
.opt[disabled]{cursor:default}
@keyframes correct-pop{0%{transform:scale(1)}35%{transform:scale(1.035)}100%{transform:scale(1)}}
@keyframes shake{0%,100%{transform:translateX(0)}20%{transform:translateX(-9px)}40%{transform:translateX(8px)}60%{transform:translateX(-5px)}80%{transform:translateX(4px)}}

/* Reading passage (exam) */
.q-passage{display:none;background:var(--card);border:1px solid var(--card-brd);border-radius:16px;padding:14px 16px;margin-bottom:16px;max-height:230px;overflow-y:auto;-webkit-overflow-scrolling:touch}
.qp-label{font-size:11.5px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;color:var(--accent2);margin-bottom:7px}
.qp-text{font-size:14.5px;line-height:1.6;color:var(--txt)}
.q-prompt.q-prompt-sm{font-size:19px;line-height:1.35;font-weight:700}

/* ============================================================
   BUILD (ndërto fjalinë / email)
   ============================================================ */
#screen-build{display:none}
#screen-build.is-active{display:flex;flex-direction:column;min-height:calc(100dvh - 40px)}
.build-body{flex:1;display:flex;flex-direction:column}
.build-prompt{padding:18px;margin-bottom:16px}
.build-prompt .bp-hint{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:8px}
.build-prompt .bp-main{font-size:22px;font-weight:800;line-height:1.3;letter-spacing:-.3px}
.build-prompt.email .bp-main{font-size:15.5px;font-weight:600;line-height:1.5;color:var(--txt)}
.build-prompt .bp-betreff{font-size:13.5px;color:var(--muted);margin-top:9px;padding-top:9px;border-top:1px solid rgba(255,255,255,.07)}
.build-prompt .bp-betreff b{color:var(--txt)}
.build-prompt .bp-hint b{color:var(--accent2)}

.build-answer{
  min-height:64px;border:1.5px dashed var(--card-brd);border-radius:16px;padding:12px;margin-bottom:14px;
  display:flex;flex-wrap:wrap;gap:9px;align-content:flex-start;transition:border-color .2s;background:rgba(255,255,255,.02);
}
.build-answer:empty::before{content:attr(data-empty);color:var(--muted2);font-size:13.5px;font-weight:600;align-self:center;margin:auto}
.build-answer.rows{flex-direction:column;gap:8px}
.build-bank{display:flex;flex-wrap:wrap;gap:9px;margin-top:auto;padding-bottom:6px}
.build-bank.rows{flex-direction:column}

.tile{
  cursor:pointer;font-family:inherit;font-size:16px;font-weight:700;color:var(--txt);
  background:var(--card-solid);border:1.5px solid var(--card-brd);border-radius:12px;padding:11px 15px;
  transition:transform .1s,border-color .2s,background .2s;
}
.tile:active{transform:scale(.94)}
.build-answer .tile{background:linear-gradient(135deg,rgba(124,58,237,.28),rgba(34,211,238,.16));border-color:rgba(124,58,237,.5)}
.tile-row{width:100%;text-align:left;font-size:14px;font-weight:600;line-height:1.4;padding:12px 14px}

.build-feedback{display:none;border-radius:14px;padding:14px 16px;margin-bottom:14px;animation:q-pop .3s}
.build-feedback.good{background:linear-gradient(120deg,rgba(34,197,94,.2),rgba(34,197,94,.06));border:1px solid rgba(34,197,94,.5)}
.build-feedback.bad{background:linear-gradient(120deg,rgba(239,68,68,.18),rgba(239,68,68,.05));border:1px solid rgba(239,68,68,.5)}
.build-feedback .fb-head{font-size:15px;font-weight:800;margin-bottom:6px}
.build-feedback.good .fb-head{color:var(--good)}
.build-feedback.bad .fb-head{color:var(--bad)}
.build-feedback .fb-label{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--muted);margin-bottom:3px}
.build-feedback .fb-correct{font-size:15px;font-weight:700;white-space:pre-line;line-height:1.5}
.build-actions{display:flex;gap:10px}
.build-actions .btn{flex:1}

.review-item .ri-q{font-size:14.5px;font-weight:700;line-height:1.4;margin-bottom:2px}

/* ============================================================
   RESULT
   ============================================================ */
#screen-result{display:none}
#screen-result.is-active{display:block}
.result-body{text-align:center;padding-top:16px}
.result-emoji{font-size:64px;animation:emoji-in .6s cubic-bezier(.2,1.4,.4,1)}
@keyframes emoji-in{from{opacity:0;transform:scale(.3) rotate(-20deg)}to{opacity:1;transform:none}}
.result-title{font-size:26px;font-weight:800;margin:6px 0 10px}
.result-stars{font-size:34px;letter-spacing:6px;height:44px;margin-bottom:6px}
.result-stars .s{display:inline-block;color:rgba(255,255,255,.15);transition:transform .3s}
.result-stars .s.on{color:var(--gold);animation:star-pop .5s both;filter:drop-shadow(0 0 8px rgba(251,191,36,.6))}
.result-stars .s.on:nth-child(1){animation-delay:.15s}
.result-stars .s.on:nth-child(2){animation-delay:.32s}
.result-stars .s.on:nth-child(3){animation-delay:.5s}
@keyframes star-pop{0%{transform:scale(0) rotate(-40deg)}60%{transform:scale(1.35)}100%{transform:scale(1)}}

.result-score{display:flex;align-items:center;justify-content:space-around;padding:18px 10px;margin:18px 0}
.rs-col{display:flex;flex-direction:column;gap:3px}
.rs-val{font-size:26px;font-weight:800}
.rs-key{font-size:11.5px;color:var(--muted)}
.rs-div{width:1px;height:34px;background:rgba(255,255,255,.1)}

.review-wrap{text-align:left;margin:8px 0 22px}
.review-title{font-size:14px;font-weight:800;margin:0 4px 12px;color:var(--muted)}
.review-list{display:flex;flex-direction:column;gap:10px}
.review-item{
  background:var(--card);border:1px solid var(--card-brd);border-radius:var(--radius-sm);
  padding:13px 15px;border-left:3px solid var(--bad);
}
.review-item .ri-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.review-item .ri-de{font-size:16.5px;font-weight:800}
.review-item .ri-sq{font-size:14px;color:var(--accent2);font-weight:700}
.review-item .ri-perf{font-size:12.5px;color:var(--muted);margin-top:3px}
.review-item .ri-bsp{font-size:12.5px;color:var(--muted2);font-style:italic;margin-top:5px}

.result-msg{color:var(--muted);font-size:13.5px;line-height:1.55;margin:2px 8px 18px;text-align:center}
.review-title .rt-good{color:var(--good)}
.review-title .rt-bad{color:var(--bad)}
.review-title .rt-count{color:var(--muted2);font-weight:700}

.review-item .ri-answer{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:7px;font-size:13px;font-weight:800}
.review-item .ri-answer .ri-wrong{color:var(--bad)}
.review-item .ri-answer .ri-right{color:var(--good)}

.right-list{display:flex;flex-direction:column;gap:7px}
.right-item{
  display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  background:var(--card);border:1px solid var(--card-brd);border-left:3px solid var(--good);
  border-radius:12px;padding:9px 13px;
}
.right-item .chip-de{font-weight:800;font-size:14.5px}
.right-item .chip-sq{color:var(--accent2);font-weight:700;font-size:13px;text-align:right}

.result-actions{display:flex;flex-direction:column;gap:10px;margin-top:8px}

/* Attempted-but-not-passed level */
.level-cell.is-tried{border-color:rgba(251,191,36,.5);background:linear-gradient(160deg,rgba(251,191,36,.12),var(--card))}
.level-cell.is-tried .lv-stars{color:var(--gold)}

/* Custom confirm dialog (sandbox-safe replacement for window.confirm) */
.confirm-backdrop{
  position:fixed;inset:0;z-index:70;background:rgba(0,0,0,.6);
  display:flex;align-items:center;justify-content:center;padding:24px;
  opacity:0;pointer-events:none;transition:opacity .25s;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);
}
.confirm-backdrop.is-open{opacity:1;pointer-events:auto}
.confirm-box{
  width:100%;max-width:360px;background:var(--card-solid);
  border:1px solid var(--card-brd);border-radius:20px;padding:24px 22px;
  transform:scale(.92);transition:transform .25s cubic-bezier(.2,.8,.2,1);box-shadow:var(--shadow);
}
.confirm-backdrop.is-open .confirm-box{transform:none}
.confirm-box p{font-size:15px;font-weight:600;line-height:1.5;margin-bottom:20px;text-align:center}
.confirm-actions{display:flex;gap:10px}
.confirm-actions .btn{flex:1;padding:14px}

/* ============================================================
   SETTINGS SHEET
   ============================================================ */
.sheet-backdrop{
  position:fixed;inset:0;z-index:60;background:rgba(0,0,0,.55);
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .3s;
  backdrop-filter:blur(3px);
}
.sheet-backdrop.is-open{opacity:1;pointer-events:auto}
.sheet{
  width:100%;max-width:520px;background:var(--card-solid);
  border-radius:26px 26px 0 0;border:1px solid var(--card-brd);border-bottom:none;
  padding:12px 22px calc(26px + var(--safe-b));
  transform:translateY(100%);transition:transform .35s cubic-bezier(.2,.8,.2,1);
}
.sheet-backdrop.is-open .sheet{transform:none}
.sheet-handle{width:44px;height:5px;border-radius:5px;background:rgba(255,255,255,.2);margin:2px auto 16px}
.sheet h3{font-size:18px;font-weight:800;margin-bottom:16px}
.switch-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;font-size:15px;font-weight:600;cursor:pointer}
.switch-row input{display:none}
.switch{width:50px;height:30px;border-radius:30px;background:rgba(255,255,255,.15);position:relative;transition:background .25s;flex:0 0 auto}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;transition:transform .25s}
.switch-row input:checked ~ .switch{background:var(--good)}
.switch-row input:checked ~ .switch::after{transform:translateX(20px)}
.sheet .btn{margin-top:10px}
.sheet-note{text-align:center;color:var(--muted2);font-size:11.5px;margin-top:14px}

/* Toast */
.toast{
  position:fixed;left:50%;bottom:calc(28px + var(--safe-b));transform:translate(-50%,20px);
  background:rgba(20,26,50,.95);border:1px solid var(--card-brd);color:var(--txt);
  padding:12px 18px;border-radius:14px;font-size:13.5px;font-weight:700;
  opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:80;
  box-shadow:var(--shadow);max-width:90%;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* FX canvas */
#fx{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:50}

/* Flash overlay for correct/wrong feedback */
.flash{position:fixed;inset:0;z-index:40;pointer-events:none;opacity:0}
.flash.good{background:radial-gradient(circle at 50% 60%,rgba(34,197,94,.28),transparent 60%);animation:flash .55s}
.flash.bad{background:radial-gradient(circle at 50% 60%,rgba(239,68,68,.25),transparent 60%);animation:flash .55s}
@keyframes flash{0%{opacity:0}25%{opacity:1}100%{opacity:0}}

/* ============================================================
   AUTH screen
   ============================================================ */
#screen-auth{display:none}
#screen-auth.is-active{display:flex;flex-direction:column;min-height:calc(100dvh - 40px)}
.auth-body{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center;gap:6px;padding:20px 6px}
.auth-logo{display:flex;justify-content:center;margin-bottom:14px}
.brand-mark-lg{width:84px;height:84px;border-radius:24px;font-size:38px;box-shadow:0 16px 44px rgba(79,70,229,.5)}
.auth-title{font-size:40px;font-weight:800;letter-spacing:-1px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.auth-sub{font-size:14.5px;color:var(--muted);line-height:1.55;max-width:340px;margin:6px auto 26px}
.auth-choices,.auth-forms{display:flex;flex-direction:column;gap:11px;max-width:360px;width:100%;margin:0 auto}
.auth-note{font-size:12px;color:var(--muted2);line-height:1.5;margin-top:8px}
.auth-tabs{display:grid;grid-template-columns:1fr 1fr;background:var(--card);border:1px solid var(--card-brd);border-radius:14px;padding:5px;margin-bottom:6px}
.auth-tab{background:none;border:none;cursor:pointer;padding:10px;font-size:14px;font-weight:800;color:var(--muted);border-radius:10px;transition:.2s}
.auth-tab.is-on{background:var(--grad);color:#fff;box-shadow:0 6px 16px rgba(79,70,229,.4)}
.auth-input{width:100%;background:var(--card-solid);border:1.5px solid var(--card-brd);border-radius:14px;padding:15px 16px;font-size:16px;color:var(--txt);font-family:inherit;outline:none;transition:border-color .2s}
.auth-input:focus{border-color:rgba(124,58,237,.7)}
.auth-input::placeholder{color:var(--muted2)}
.auth-error{color:#fca5a5;font-size:13px;font-weight:600;min-height:16px;margin:-2px 0}

/* ============================================================
   SETTINGS additions
   ============================================================ */
.set-section{margin-bottom:18px}
.set-label{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);margin-bottom:10px}
.level-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px}
.level-pick{aspect-ratio:1;border-radius:13px;background:var(--card);border:1.5px solid var(--card-brd);color:var(--txt);font-weight:800;font-size:14px;cursor:pointer;transition:transform .12s,border-color .2s,background .2s}
.level-pick:active{transform:scale(.92)}
.level-pick.is-on{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 8px 20px rgba(79,70,229,.4)}
.level-pick.is-soon{opacity:.42}
.account-row{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:var(--card);border:1px solid var(--card-brd);border-radius:14px;padding:12px 14px}
.acc-info{font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:8px}
.acc-info b{color:var(--txt);font-weight:700}
.acc-dot{width:9px;height:9px;border-radius:50%;background:var(--muted2);flex:0 0 auto}
.acc-dot.on{background:var(--good);box-shadow:0 0 8px rgba(34,197,94,.6)}
.btn-sm{width:auto;padding:9px 14px;font-size:13px;flex:0 0 auto}
.cat-card.is-empty{opacity:.55}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001s !important;transition-duration:.05s !important}
}