:root{
  --bg:#f6f5f1; --panel:#ffffff; --ink:#1c2230; --muted:#6b7280; --line:#e7e5df;
  --accent:#4f46e5; --accent-2:#eef0ff; --accent-ink:#3730a3;
  --ok:#15803d; --ok-bg:#e8f6ec; --bad:#b91c1c; --bad-bg:#fdecec; --warn:#b45309; --warn-bg:#fff6e5;
  --panel-2:#faf9f6; --hover:#f3f2ee; --line-2:#f0efea; --accent-line:#c7c9f5; --warn-line:#f6dfb3; --tag-bg:#f1f0ec; --tag-fg:#555a66;
  --track:#ecebe6; --accent-hover:#4338ca; --ink-2:#3b3f4c; --strong:#111827; --on-accent:#ffffff; --accent-2b:#e0e3ff; --rec:#dc2626;
  --accent-soft:#d9dbfb; --ok-line:#bfe5cb; --bad-line:#f5c6c6; --input:#ffffff; --hero-a:#4f46e5; --hero-b:#6d5ef5;
  --radius:16px; --shadow:0 1px 2px rgba(20,24,40,.04),0 8px 24px rgba(20,24,40,.06);
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#13141b; --panel:#1c1e28; --ink:#e9eaf2; --muted:#9a9db2; --line:#2c2f3d;
    --accent:#8a83ff; --accent-2:#262947; --accent-ink:#c3bfff; --ok:#4ade80; --ok-bg:#15301f; --bad:#f87171; --bad-bg:#3a1c1e;
    --warn:#fbbf24; --warn-bg:#33290f; --panel-2:#222431; --hover:#292b39; --line-2:#252735; --accent-line:#4b4894; --warn-line:#5a4720;
    --tag-bg:#2a2c3a; --tag-fg:#c4c6d6; --track:#2c2f3d; --accent-hover:#7069f5; --ink-2:#c9cbd9; --strong:#0a0b10; --on-accent:#ffffff;
    --accent-2b:#323663; --rec:#ef4444; --accent-soft:#3b3f75; --ok-line:#22543a; --bad-line:#5c2b2d; --input:#161821; --hero-a:#4b42d6; --hero-b:#6a5cf0;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark; } }
:root[data-theme="dark"]{ --bg:#13141b; --panel:#1c1e28; --ink:#e9eaf2; --muted:#9a9db2; --line:#2c2f3d;
    --accent:#8a83ff; --accent-2:#262947; --accent-ink:#c3bfff; --ok:#4ade80; --ok-bg:#15301f; --bad:#f87171; --bad-bg:#3a1c1e;
    --warn:#fbbf24; --warn-bg:#33290f; --panel-2:#222431; --hover:#292b39; --line-2:#252735; --accent-line:#4b4894; --warn-line:#5a4720;
    --tag-bg:#2a2c3a; --tag-fg:#c4c6d6; --track:#2c2f3d; --accent-hover:#7069f5; --ink-2:#c9cbd9; --strong:#0a0b10; --on-accent:#ffffff;
    --accent-2b:#323663; --rec:#ef4444; --accent-soft:#3b3f75; --ok-line:#22543a; --bad-line:#5c2b2d; --input:#161821; --hero-a:#4b42d6; --hero-b:#6a5cf0;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.35); color-scheme:dark; }

*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{display:flex;background:var(--bg);color:var(--ink);min-height:100%;font:15px/1.5 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
button{font:inherit;color:inherit;cursor:pointer}
input,select{font:inherit;color:inherit}
h1,h2,h3{margin:0;line-height:1.2}
h1{font-size:28px;letter-spacing:-.02em}
h2{font-size:20px;letter-spacing:-.01em}
h3{font-size:16px}
.muted{color:var(--muted)}
.hidden{visibility:hidden}
.gone{display:none!important}

/* ---------- sidebar ---------- */
#side{width:236px;flex-shrink:0;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh}
.logo{display:flex;align-items:center;gap:10px;padding:0 8px 22px}
.logo-mark{width:38px;height:38px;border-radius:11px;background:var(--accent);color:var(--on-accent);display:grid;place-items:center;font-weight:800;font-size:20px}
.logo b{display:block;font-size:17px}
.logo small{color:var(--muted);font-size:12px}
#nav{display:flex;flex-direction:column;gap:2px}
#nav button{display:flex;align-items:center;gap:12px;border:0;background:transparent;padding:10px 12px;border-radius:10px;text-align:left;font-weight:500;color:var(--ink-2)}
#nav button span{width:22px;text-align:center}
#nav button:hover{background:var(--hover)}
#nav button.active{background:var(--accent-2);color:var(--accent-ink);font-weight:650}
.side-stats{margin-top:auto;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13px}
.side-stats .streak{font-size:22px;font-weight:750}
.side-settings{margin-top:10px;border:1px solid var(--line);background:var(--panel);border-radius:10px;padding:9px;font-size:13px}
.side-settings:hover{background:var(--hover)}

/* ---------- main ---------- */
#view{flex:1;min-width:0;padding:32px 40px 60px;max-width:1080px}
.head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.head p{margin:6px 0 0;color:var(--muted)}
.back{border:0;background:transparent;color:var(--muted);padding:0;margin-bottom:10px;font-size:14px}
.back:hover{color:var(--ink)}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.tile{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;text-align:left;box-shadow:var(--shadow);transition:transform .12s,border-color .12s}
button.tile:hover{transform:translateY(-2px);border-color:var(--accent-line)}
.tile .ic{font-size:24px}
.tile h3{margin:10px 0 4px}
.tile p{margin:0;color:var(--muted);font-size:13.5px}
.tile .meta{margin-top:12px;font-size:12.5px;color:var(--accent-ink);font-weight:600}
.section-title{margin:30px 0 12px;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:650}

.btn{border:1px solid var(--line);background:var(--panel);border-radius:11px;padding:10px 16px;font-weight:600}
.btn:hover{background:var(--hover)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.big{padding:14px 22px;font-size:16px;border-radius:13px}
.btn.ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn.ok{background:var(--ok-bg);border-color:var(--ok-line);color:var(--ok)}
.btn.bad{background:var(--bad-bg);border-color:var(--bad-line);color:var(--bad)}
.btn:disabled{opacity:.5;cursor:default}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:6px 14px;font-weight:600;font-size:13.5px}
.chip.active{background:var(--ink);border-color:var(--ink);color:var(--on-accent)}
.tag{display:inline-block;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;background:var(--tag-bg);color:var(--tag-fg)}
.tag.new{background:var(--tag-bg);color:var(--muted)}
.tag.learning{background:var(--warn-bg);color:var(--warn)}
.tag.known{background:var(--ok-bg);color:var(--ok)}
.bar{height:8px;background:var(--track);border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:99px;transition:width .3s}
.say{border:0;background:var(--accent-2);color:var(--accent-ink);border-radius:9px;padding:5px 9px;font-size:15px;line-height:1}
.say:hover{background:var(--accent-2b)}
input.text{width:100%;border:1.5px solid var(--line);border-radius:12px;padding:13px 15px;font-size:18px;background:var(--input);outline:none}
input.text:focus{border-color:var(--accent)}
input.text.right{border-color:var(--ok);background:var(--ok-bg)}
input.text.wrong{border-color:var(--bad);background:var(--bad-bg)}

/* ---------- today ---------- */
.hero{display:grid;grid-template-columns:1.4fr 1fr;gap:14px}
.hero-main{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));color:var(--on-accent);border-radius:20px;padding:26px;box-shadow:0 12px 30px rgba(79,70,229,.22)}
.hero-main h2{font-size:24px}
.hero-main p{opacity:.9;margin:6px 0 18px}
.hero-main .counts{display:flex;gap:22px;margin:16px 0 22px;flex-wrap:wrap}
.hero-main .counts b{display:block;font-size:26px}
.hero-main .counts span{font-size:12.5px;opacity:.85}
.hero-main .btn{background:var(--input);color:var(--accent-ink);border-color:var(--on-accent)}
.hero-main .btn:hover{background:var(--accent-2)}
.hero-main .btn.sub{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:var(--on-accent)}
.lvl-row{display:grid;grid-template-columns:44px 1fr 74px;align-items:center;gap:10px;margin:10px 0}
.lvl-row b{font-size:14px}
.lvl-row span{font-size:12.5px;color:var(--muted);text-align:right}
.week{display:flex;align-items:flex-end;gap:8px;height:90px;margin-top:10px}
.week div{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11px;color:var(--muted)}
.week i{display:block;width:100%;background:var(--accent-soft);border-radius:6px 6px 3px 3px;min-height:4px}
.week .today i{background:var(--accent)}

/* ---------- lists ---------- */
.topic{display:flex;flex-direction:column;gap:10px}
.topic .top{display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.topic .top span{font-size:12.5px;color:var(--muted);white-space:nowrap}
.topic .row{margin-top:2px}
.wlist{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.wrow{display:grid;grid-template-columns:40px minmax(0,1fr) minmax(0,1.2fr) 110px;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--line-2)}
.wrow:last-child{border-bottom:0}
.wrow .en{font-weight:600}
.wrow .pl{color:var(--ink-2)}
.wrow .st{text-align:right}
.search{width:100%;max-width:420px;border:1px solid var(--line);border-radius:11px;padding:10px 14px;background:var(--input)}

/* ---------- session ---------- */
.sess{max-width:680px;margin:0 auto}
.sess-top{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.sess-top .bar{flex:1;height:10px}
.sess-top .x{border:0;background:transparent;font-size:20px;color:var(--muted);padding:4px 8px;border-radius:8px}
.sess-top .x:hover{background:var(--track)}
.sess-top .n{font-size:13px;color:var(--muted);min-width:48px;text-align:right}
.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:34px 30px;box-shadow:var(--shadow);text-align:center;min-height:300px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.card .lbl{font-size:12.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:650}
.card .word{font-size:40px;font-weight:750;letter-spacing:-.02em;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.card .tr{font-size:20px;color:var(--ink-2)}
.card .tr.big{font-size:30px;font-weight:650;color:var(--ink)}
.card .sent{font-size:24px;font-weight:600;line-height:1.4}
.card .sent .w{border-radius:6px;padding:0 3px}
.card .sent .w.ok{background:var(--ok-bg);color:var(--ok)}
.card .sent .w.miss{background:var(--bad-bg);color:var(--bad);text-decoration:underline wavy}
.card .ex{font-size:15px;color:var(--muted)}
.card .fz-card{text-align:left}
.bigsay{border:0;width:96px;height:96px;border-radius:50%;background:var(--accent);color:var(--on-accent);font-size:38px;margin:6px auto;box-shadow:0 10px 24px rgba(79,70,229,.3)}
.bigsay:hover{background:var(--accent-hover)}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:8px;text-align:left}
.opt{border:1.5px solid var(--line);background:var(--input);border-radius:13px;padding:13px 15px;font-size:16px;display:flex;gap:10px;align-items:center}
.opt:hover{border-color:var(--accent-line);background:var(--accent-2)}
.opt kbd{font:600 12px ui-monospace,monospace;color:var(--muted);border:1px solid var(--line);border-radius:5px;padding:1px 6px}
.opt.right{border-color:var(--ok);background:var(--ok-bg);color:var(--ok)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg);color:var(--bad)}
.opt:disabled{cursor:default}
.acts{display:flex;justify-content:center;gap:10px;margin-top:18px;flex-wrap:wrap;align-items:center}
.fb{width:100%;border-radius:14px;padding:12px 16px;font-weight:600;text-align:center;margin-bottom:4px}
.fb.ok{background:var(--ok-bg);color:var(--ok)}
.fb.bad{background:var(--bad-bg);color:var(--bad)}
.fb.mid{background:var(--warn-bg);color:var(--warn)}
.heard{font-size:14px;color:var(--muted);min-height:20px}
.mic{border:0;width:84px;height:84px;border-radius:50%;background:var(--strong);color:var(--on-accent);font-size:32px;box-shadow:0 10px 24px rgba(17,24,39,.25)}
.mic.rec{background:var(--rec);animation:pulse 1s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(220,38,38,.5)}100%{box-shadow:0 0 0 18px rgba(220,38,38,0)}}
.score{font-size:42px;font-weight:800}
.score.ok{color:var(--ok)}.score.mid{color:var(--warn)}.score.bad{color:var(--bad)}
.summary .big{font-size:56px;font-weight:800;color:var(--accent)}

/* ---------- lesson ---------- */
.lesson-when{display:grid;gap:10px}
.when{display:flex;gap:14px;align-items:flex-start;background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.when>div{flex:1}
.when b{display:block}
.when em{color:var(--accent-ink);font-style:normal}
.formula{display:grid;grid-template-columns:44px 1fr;gap:8px 12px;align-items:center;font-size:15.5px}
.formula .s{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;font-weight:800}
.formula .p{background:var(--ok-bg);color:var(--ok)}
.formula .m{background:var(--bad-bg);color:var(--bad)}
.formula .q{background:var(--accent-2);color:var(--accent-ink)}
.tipbox{background:var(--warn-bg);border:1px solid var(--warn-line);border-radius:12px;padding:12px 14px;font-size:14.5px}
.keys{display:flex;gap:6px;flex-wrap:wrap}
.exrow{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--line-2)}
.exrow:last-child{border-bottom:0}
.exrow div{flex:1}
.exrow small{display:block;color:var(--muted)}
.gap{display:inline-block;min-width:80px;border-bottom:2.5px solid var(--accent);color:var(--accent-ink);padding:0 4px}

/* ---------- settings / modal ---------- */
.modal-bg{position:fixed;inset:0;background:rgba(17,24,39,.4);display:grid;place-items:center;z-index:50;padding:16px}
.modal{background:var(--panel);border-radius:20px;padding:26px;width:100%;max-width:520px;max-height:90vh;overflow:auto;box-shadow:0 30px 60px rgba(0,0,0,.25)}
.field{margin-top:16px}
.field label{display:block;font-weight:600;margin-bottom:6px;font-size:14px}
.field select,.field input[type=range]{width:100%}
.field select{border:1px solid var(--line);border-radius:10px;padding:9px 12px;background:var(--input)}
.levels{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:14px}
.levels button{border:1.5px solid var(--line);background:var(--input);border-radius:14px;padding:14px;text-align:left}
.levels button b{font-size:20px;display:block}
.levels button span{font-size:13px;color:var(--muted)}
.levels button.active{border-color:var(--accent);background:var(--accent-2)}

#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--strong);color:var(--on-accent);padding:10px 18px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:60}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.empty{text-align:center;padding:40px 20px;color:var(--muted)}
.empty b{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}

@media (max-width: 900px){
  body{flex-direction:column}
  #side{width:100%;height:auto;position:static;flex-direction:row;align-items:center;padding:10px 12px;gap:8px;overflow-x:auto}
  .logo{padding:0 6px 0 0}
  .logo div,.side-stats{display:none}
  #nav{flex-direction:row}
  #nav button{white-space:nowrap;padding:8px 10px}
  .side-settings{margin:0}
  #view{padding:20px 16px 50px}
  .hero,.g3,.g4{grid-template-columns:1fr 1fr}
  .wrow{grid-template-columns:36px 1fr 1fr;}
  .wrow .st{display:none}
}
@media (max-width: 560px){
  .hero,.g2,.g3,.g4,.opts{grid-template-columns:1fr}
  .card .word{font-size:32px}
}

/* ---------- v2.1: plan dnia, historia, mapa czasów ---------- */
.g3 .tile.stat,.tile.stat{display:flex;flex-direction:column;gap:2px}
.tile.stat b{font-size:28px;letter-spacing:-.02em}
.tile.stat span{color:var(--muted)}
.tile.stat em{font-style:normal;font-size:12.5px;color:var(--accent-ink);font-weight:600;margin-top:8px}
.tile.stat.warn{border-color:var(--warn-line);background:var(--input)af0}
.tile.stat.warn b{color:var(--warn)}
.plan h2{font-size:20px}
.plan-count{font-weight:800;color:var(--accent-ink);background:var(--accent-2);border-radius:999px;padding:3px 12px}
.plan-count.all{background:var(--ok-bg);color:var(--ok)}
.step{display:flex;align-items:center;gap:12px;padding:10px 0;border-top:1px solid var(--line-2)}
.step .chk{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;background:var(--hover);font-size:18px;flex-shrink:0}
.step.done .chk{background:var(--ok-bg);color:var(--ok);font-weight:800}
.step .txt{flex:1;min-width:0}
.step .txt b{display:block;font-size:14.5px}
.step .txt small{color:var(--muted);font-size:12.5px}
.step.done .txt b{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--muted)}
.step .btn{padding:7px 12px;font-size:13px;white-space:nowrap}
.must-tag{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--accent-ink);background:var(--accent-2);border-radius:5px;padding:1px 6px;margin-left:4px;vertical-align:2px}
.step.done .must-tag{display:none}
.hero-main .btn:disabled{opacity:.55}
.tense-tag{background:var(--accent-2);color:var(--accent-ink);font-size:12.5px;padding:4px 10px}
.tense-bars{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin-top:14px}
.tbar{border:1px solid var(--line);background:var(--panel-2);border-radius:12px;padding:10px 12px;text-align:left;display:grid;gap:6px}
.tbar:hover{border-color:var(--accent-line)}
.tbar span{font-weight:600;font-size:13.5px}
.tbar small{color:var(--muted);font-size:12px}
.tmap{background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:grid;gap:4px}
.tmap em{font-style:normal;font-weight:600}
.btn.small{padding:5px 10px;font-size:12.5px;border-radius:9px}
.why{margin-top:8px;font-weight:500;font-size:14px;color:var(--ink-2);text-align:left;background:var(--input);border-radius:10px;padding:8px 12px;border:1px solid rgba(0,0,0,.06)}
.why em{font-style:normal;background:var(--accent-2);color:var(--accent-ink);border-radius:5px;padding:0 5px}
.fb .why{color:var(--ink-2)}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs button{border:0;background:transparent;padding:10px 14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.active{color:var(--accent-ink);border-bottom-color:var(--accent)}
.sub-h{margin:18px 0 8px;font-size:15px}
.logrow{display:flex;align-items:flex-start;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line-2)}
.logrow:last-child{border-bottom:0}
.logrow .lg{flex:1;min-width:0}
.logrow small{display:block;color:var(--muted);font-size:12.5px;margin-top:3px}
.logrow .why{background:var(--panel-2);font-size:13px}
.sentdiff{font-size:16px;font-weight:600;line-height:1.5}
.sentdiff .w{border-radius:5px;padding:0 3px}
.sentdiff .w.ok{color:var(--ok)}
.sentdiff .w.miss{background:var(--bad-bg);color:var(--bad);text-decoration:underline wavy}
.ptag{flex-shrink:0;min-width:46px;text-align:center;border-radius:8px;padding:3px 6px;font-weight:700;font-size:12.5px;margin-top:2px}
.ptag.ok{background:var(--ok-bg);color:var(--ok)}
.ptag.mid{background:var(--warn-bg);color:var(--warn)}
.ptag.bad{background:var(--bad-bg);color:var(--bad)}
.ptag.new{background:var(--accent-2);color:var(--accent-ink)}
.fixlist{text-align:left;background:var(--panel-2);border-radius:12px;padding:12px 14px;margin-top:6px}
.fixrow{display:flex;gap:10px;align-items:center;padding:5px 0}
@media (max-width:900px){.hero{grid-template-columns:1fr}}

/* ---------- v3: synchronizacja, karty fiszek, telefon ---------- */
.sync{margin-top:10px;font-size:12px;line-height:1.35;color:var(--muted);padding:0 4px}
.sync.ok{color:var(--ok)}.sync.bad{color:var(--bad)}.sync.wait{color:var(--warn)}
.sync-line{font-size:12.5px;margin:6px 0 0}
.nav-settings{display:none!important}
.fz-card{color:var(--ink)!important}
.fz-tr{color:var(--ok)!important}
.fz-other,.fz-def,.fz-pl,.fz-tense-name span,.fz-label,.fz-ipa,.fz-engine{color:var(--muted)!important}
.fz-chip,.fz-struct{background:var(--accent-2)!important;color:var(--accent-ink)!important}
.fz-note{background:var(--warn-bg)!important;border-color:var(--warn-line)!important;color:var(--ink)!important}
.fz-tense{background:var(--panel-2)!important;border-color:var(--line)!important;border-left-color:var(--accent)!important}
.fz-frag{color:var(--accent-ink)!important}
.self .btn{min-width:110px}
#view{padding-left:max(40px, env(safe-area-inset-left, 0px));padding-right:max(40px, env(safe-area-inset-right, 0px))}
@media (max-width: 760px){
  body{display:block}
  #side{position:fixed;left:0;right:0;bottom:0;top:auto;width:auto;height:auto;flex-direction:row;align-items:stretch;gap:0;overflow:visible;
    border-right:0;border-top:1px solid var(--line);z-index:40;box-shadow:0 -6px 20px rgba(0,0,0,.06);
    padding:4px max(6px, env(safe-area-inset-right, 0px)) calc(4px + env(safe-area-inset-bottom, 0px)) max(6px, env(safe-area-inset-left, 0px))}
  .logo,.side-stats,.side-settings,#side .sync{display:none}
  #nav{flex-direction:row;width:100%;gap:0}
  #nav button{flex:1 1 0;min-width:0;flex-direction:column;gap:2px;padding:6px 1px;font-size:10px;line-height:1.15;text-align:center;border-radius:10px;white-space:normal}
  #nav button span{font-size:19px;width:auto}
  .nav-settings{display:flex!important}
  #view{max-width:none;padding:16px max(16px, env(safe-area-inset-right, 0px)) calc(92px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px))}
  h1{font-size:23px}
  .hero,.g2,.g3,.g4{grid-template-columns:1fr}
  .grid.g3:has(.tile.stat){grid-template-columns:1fr 1fr}
  .hero-main{padding:20px}
  .hero-main .counts{gap:16px}
  .card{padding:24px 16px;min-height:240px;border-radius:18px}
  .card .word{font-size:30px}
  .card .sent{font-size:20px}
  .opts{grid-template-columns:1fr}
  .opt{padding:14px;font-size:16px}
  .acts .btn.big{flex:1}
  .wrow{grid-template-columns:36px minmax(0,1fr) minmax(0,1fr);gap:8px;padding:10px 12px}
  .wrow .st{display:none}
  .logrow{padding:10px 12px;gap:8px;flex-wrap:wrap}
  .logrow .btn.small{margin-left:auto}
  .step{flex-wrap:wrap}
  .step .txt{min-width:160px}
  .sess-top{margin-bottom:12px}
  #toast{bottom:calc(84px + env(safe-area-inset-bottom, 0px))}
  .head .search{max-width:none}
  .tabs{margin-left:-4px}
}

/* ---------- v4: logowanie (serwer własny) ---------- */
body.auth #side{display:none}
body.auth{display:block}
.auth-wrap{min-height:80vh;display:grid;place-items:center;padding-block:24px}
.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:28px 24px;box-shadow:var(--shadow);display:grid;gap:12px}
.auth-card .logo{padding:0 0 4px}
.auth-card h1{font-size:24px}
.auth-card p{margin:0}
.auth-form{display:grid;gap:8px}
.auth-form label{font-weight:600;font-size:14px;margin-top:4px}
.auth-form input.text{font-size:16px;padding:12px 14px}
.auth-form .btn{margin-top:8px;width:100%}
.auth-err{color:var(--bad);font-size:14px;min-height:18px}
.acct span{font-size:14.5px}
body.auth #view{max-width:none;margin:0 auto;padding-left:max(16px, env(safe-area-inset-left, 0px));padding-right:max(16px, env(safe-area-inset-right, 0px))}

/* ---------- v5: poprawki kontrastu + dynamiczniejsza grafika ---------- */
/* naprawa: przycisk „Wróć” w podsumowaniu dziedziczył styl wyniku (.big) */
.summary .card > div.big{font-size:56px;font-weight:800;color:var(--accent)}
.summary .big:not(div){font-size:16px;font-weight:600;color:var(--on-accent)}
/* naprawa: aktywny poziom (A1…) był niewidoczny w trybie ciemnym */
.chip.active{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));border-color:transparent;color:#fff;box-shadow:0 6px 16px -6px var(--accent)}
.chip{transition:transform .15s,border-color .15s,background .15s}
.chip:hover{transform:translateY(-1px);border-color:var(--accent-line)}

body{background:radial-gradient(1200px 600px at 100% -10%,color-mix(in srgb,var(--accent) 12%,transparent),transparent 60%),
  radial-gradient(900px 500px at -10% 110%,color-mix(in srgb,#ec4899 8%,transparent),transparent 60%),var(--bg);background-attachment:fixed}
.logo-mark{background:linear-gradient(135deg,var(--hero-a),#ec4899);box-shadow:0 6px 18px -6px var(--accent)}

/* przyciski */
.btn{transition:transform .15s,background .15s,box-shadow .2s,border-color .15s}
.btn:active:not(:disabled){transform:scale(.97)}
.btn.primary{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));border-color:transparent;color:#fff;box-shadow:0 8px 20px -8px var(--accent)}
.btn.primary:hover{background:linear-gradient(135deg,var(--hero-a),var(--hero-b));transform:translateY(-1px);box-shadow:0 12px 26px -8px var(--accent);filter:brightness(1.08)}
.hero-main .btn{background:#fff;color:#3730a3;border-color:#fff}
.hero-main .btn:hover{background:#f1f0ff;transform:translateY(-1px)}
.hero-main .btn.sub{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.3);color:#fff}

/* kafle i panele */
.tile,.panel,.card{transition:transform .18s,border-color .18s,box-shadow .25s}
button.tile:hover{transform:translateY(-3px);box-shadow:0 14px 30px -14px var(--accent)}
.tile .ic{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:13px;background:var(--accent-2);font-size:22px}
.tile.stat b{background:linear-gradient(135deg,var(--accent),#ec4899);-webkit-background-clip:text;background-clip:text;color:transparent}
.tile.stat.warn b{background:none;color:var(--warn)}

/* hero z ruchomym gradientem */
.hero-main{position:relative;overflow:hidden;background:linear-gradient(120deg,var(--hero-a),var(--hero-b),#8b5cf6,var(--hero-a));background-size:300% 300%;animation:heroShift 14s ease infinite}
.hero-main::after{content:"";position:absolute;width:260px;height:260px;right:-80px;top:-90px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);pointer-events:none;animation:float 9s ease-in-out infinite}
.hero-main>*{position:relative;z-index:1}
@keyframes heroShift{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,25px)}}

/* paski postępu */
.bar i{background:linear-gradient(90deg,var(--hero-a),#a78bfa,#ec4899);background-size:200% 100%;animation:barGlow 3s linear infinite}
@keyframes barGlow{to{background-position:-200% 0}}

/* wejście widoków — kolejne elementy pojawiają się kaskadowo */
#view.enter>*{animation:rise .38s cubic-bezier(.2,.8,.2,1) both}
#view.enter .grid>*{animation:rise .42s cubic-bezier(.2,.8,.2,1) both}
#view.enter .grid>*:nth-child(2){animation-delay:.04s}
#view.enter .grid>*:nth-child(3){animation-delay:.08s}
#view.enter .grid>*:nth-child(4){animation-delay:.12s}
#view.enter .grid>*:nth-child(5){animation-delay:.16s}
#view.enter .grid>*:nth-child(n+6){animation-delay:.2s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.card{animation:pop .3s cubic-bezier(.2,.9,.3,1.2) both}
@keyframes pop{from{opacity:0;transform:scale(.97)}to{opacity:1;transform:none}}

/* odpowiedzi */
.opt{transition:transform .12s,border-color .15s,background .15s}
.opt:hover:not(:disabled){transform:translateY(-1px)}
.opt.right{animation:yes .35s ease}
.opt.wrong,input.text.wrong{animation:shake .35s ease}
input.text.right{animation:yes .35s ease}
@keyframes yes{40%{transform:scale(1.03)}}
@keyframes shake{20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
.fb{animation:rise .25s ease both}
.bigsay{background:linear-gradient(135deg,var(--hero-a),#a78bfa);transition:transform .15s}
.bigsay:hover{transform:scale(1.05)}

/* pierścień wyniku w podsumowaniu */
.ring{--p:0;--c:var(--accent);width:170px;height:170px;margin:6px auto;border-radius:50%;display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--c) calc(var(--p)*1%),var(--track) 0)}
.ring::before{content:"";position:absolute;inset:12px;border-radius:50%;background:var(--panel)}
.ring b{position:relative;font-size:46px;font-weight:800;letter-spacing:-.03em;color:var(--c)}
.ring.ok{--c:var(--ok)} .ring.mid{--c:var(--accent)} .ring.bad{--c:var(--warn)}
.fixlist{border:1px solid var(--line)}
.fixrow{animation:rise .3s ease both}

/* konfetti */
.confetti{position:fixed;inset:0;pointer-events:none;z-index:70;overflow:hidden}
.confetti i{position:absolute;top:-12px;width:9px;height:14px;border-radius:2px;animation:fall linear forwards}
@keyframes fall{to{transform:translateY(110vh) rotate(720deg);opacity:.9}}

@media (prefers-reduced-motion: reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* ---------- v6: zakładka Postęp, testy poziomów ---------- */
:root{--s1:#4f46e5;--s2:#db2777;--gold:#f59e0b}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--s1:#7c74f5;--s2:#e0559c}}
:root[data-theme="dark"]{--s1:#7c74f5;--s2:#e0559c}
.journey{padding:22px 22px 18px}
.j-top{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;flex-wrap:wrap}
.track{display:flex;align-items:flex-start;margin-top:22px}
.track .link{flex:1;height:4px;border-radius:4px;background:var(--track);margin-top:30px;min-width:12px}
.track .link.on{background:linear-gradient(90deg,var(--hero-a),var(--hero-b))}
.node{border:0;background:transparent;display:flex;flex-direction:column;align-items:center;gap:4px;padding:0;width:96px;flex-shrink:0}
.node .circle{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;position:relative;
  background:conic-gradient(var(--accent) calc(var(--r)*1%),var(--track) 0);transition:transform .2s}
.node .circle::before{content:"";position:absolute;inset:5px;border-radius:50%;background:var(--panel)}
.node .circle b{position:relative;font-size:18px;font-weight:800}
.node:hover .circle{transform:scale(1.06)}
.node .nl{font-weight:700;font-size:14px;margin-top:2px}
.node small{font-size:11.5px;color:var(--muted);text-align:center;line-height:1.25}
.node.current .circle{box-shadow:0 0 0 0 var(--accent);animation:ringPulse 2s infinite}
.node.current .nl{color:var(--accent-ink)}
.node.passed .circle{background:linear-gradient(135deg,#22c55e,#16a34a)}
.node.passed .circle::before{inset:0;background:transparent}
.node.passed .circle b{color:#fff;font-size:26px}
.node.next{opacity:.6}
@keyframes ringPulse{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--accent) 55%,transparent)}100%{box-shadow:0 0 0 14px transparent}}
.finish-banner{display:flex;align-items:center;gap:14px;margin:14px 0;padding:14px 18px;border-radius:16px;flex-wrap:wrap;
  background:linear-gradient(120deg,color-mix(in srgb,var(--gold) 18%,var(--panel)),var(--panel));border:1px solid color-mix(in srgb,var(--gold) 45%,transparent);
  animation:rise .4s ease both}
.finish-banner .fb-ic{font-size:30px;animation:bob 2.4s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-4px) rotate(-6deg)}}
.tip[hidden]{display:none}
.finish-banner .fb-tx{flex:1;min-width:200px;display:grid}
.finish-banner .fb-tx span{color:var(--muted);font-size:13.5px}
.stage h2,.panel>h2{font-size:18px}
.ready-pct{font-size:26px;font-weight:800;color:var(--accent-ink)}
.ready-pct.ok{color:var(--ok)}
.bar.big{height:14px;margin-top:12px;position:relative;overflow:visible}
.bar.big i{border-radius:99px}
.bar.big em{position:absolute;top:-4px;bottom:-4px;width:2px;background:var(--ink);opacity:.55;border-radius:2px}
.kv{display:grid;grid-template-columns:1fr auto;gap:4px 10px;align-items:center;margin-top:12px;font-size:14px}
.kv .bar{grid-column:1/-1;height:6px}
.kv b{font-size:13px}
.legend{display:flex;gap:16px;font-size:12.5px;color:var(--muted);margin:6px 0 2px;flex-wrap:wrap}
.legend span{display:inline-flex;align-items:center;gap:6px}
.sw{display:inline-block;width:12px;height:3px;border-radius:2px}
.sw.a{background:var(--s1)}.sw.b{background:var(--s2)}
.chart{position:relative}
.chart svg{width:100%;height:auto;display:block;overflow:visible}
.chart .grid-l{stroke:var(--line);stroke-width:1}
.chart .ax{fill:var(--muted);font-size:11px}
.chart .dl{fill:var(--ink-2);font-size:11.5px;font-weight:600}
.chart .area-a{fill:var(--s1);opacity:.12}
.chart .ln-a,.chart .ln-b{fill:none;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.chart .ln-a{stroke:var(--s1)}.chart .ln-b{stroke:var(--s2)}
.chart .dot-a{fill:var(--s1);stroke:var(--panel);stroke-width:2}.chart .dot-b{fill:var(--s2);stroke:var(--panel);stroke-width:2}
.chart .cross{stroke:var(--muted);stroke-width:1;stroke-dasharray:3 3}
.chart .hit{fill:transparent}
.chart .ln-a,.chart .ln-b{stroke-dasharray:2000;stroke-dashoffset:2000;animation:draw 1.2s ease forwards}
@keyframes draw{to{stroke-dashoffset:0}}
.tip{position:absolute;top:8px;background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:12.5px;box-shadow:var(--shadow);display:grid;gap:3px;pointer-events:none;min-width:130px}
.tip span{display:flex;align-items:center;gap:6px;color:var(--ink-2)}
.acts-chart{display:flex;align-items:flex-end;gap:5px;height:150px;margin-top:12px}
.ac{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:4px;height:100%;min-width:0}
.ac i{display:block;width:100%;max-width:26px;border-radius:4px 4px 2px 2px;background:var(--s1);opacity:.55;transform-origin:bottom;animation:grow .6s cubic-bezier(.2,.8,.2,1) both}
.ac.today i{opacity:1}
.ac .v{font-size:10.5px;color:var(--muted);min-height:14px}
.ac small{font-size:10.5px;color:var(--muted)}
@keyframes grow{from{transform:scaleY(0)}}
.lv{padding:10px 0;border-top:1px solid var(--line-2)}
.lv:first-of-type{border-top:0}
.lv-h{display:flex;align-items:baseline;gap:8px;margin-bottom:6px}
.lv-h b{font-size:16px}
.lv-h .muted{font-size:13px}
.lv-f{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-top:6px}
.lv-f small{color:var(--muted);font-size:12px}
.badge-ok{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--ok);background:var(--ok-bg);border-radius:99px;padding:2px 9px}
.badge-cur{margin-left:auto;font-size:11.5px;font-weight:700;color:var(--accent-ink);background:var(--accent-2);border-radius:99px;padding:2px 9px}
.lv.passed .bar i{background:var(--ok);animation:none}
.exam-sum h2{font-size:22px}
.section-title.row{display:flex}
.section-title .btn{text-transform:none;letter-spacing:0;font-size:13px}
@media (max-width:760px){
  .node{width:70px}.node .circle{width:52px;height:52px}.track .link{margin-top:24px}
  .node small{font-size:10.5px}
  .journey{padding:16px 12px}
  .grid.g4:has(.tile.stat){grid-template-columns:1fr 1fr}
  #nav button{font-size:9.5px;padding:6px 0}
  #nav button span{font-size:18px}
}