/* Layout: bento na miękkim gradiencie — szklane kafelki, zaokrąglenia 24px, jedna kolumna max 1040px, kratka zanika ku dołowi */
:root{
  --bg:#EEF0F6; --fg:#14161F; --muted:#5B6074; --line:rgba(20,24,48,.09); --soft:rgba(20,24,48,.045);
  --card:rgba(255,255,255,.68); --card-solid:#FFFFFF; --glass-brd:rgba(255,255,255,.8);
  --shadow:0 1px 2px rgba(20,24,48,.04),0 10px 30px -12px rgba(20,24,48,.14);
  --ink:#3446F5; --ink-fg:#FFFFFF; --pop:#FF7A45; --pop-soft:rgba(255,122,69,.14);
  --hl:#FFD84D; --hl-fg:#2A2400; --mark:#FFD84D;
  --good:#12885A;--good-ink:#0B6B45; --good-bg:rgba(18,136,90,.12); --bad:#D2392D;--bad-ink:#B42318; --bad-bg:rgba(210,57,45,.10);
  --m1:#FFC6A6; --m2:#B8D2FF; --m3:#C4F0D8; --m-op:.8; --grid:rgba(20,24,60,.055);
  --sub-l:42%; --sub-bg-l:93%; --sub-s:70%; --tint-a:.55;
  --display:"Unbounded", "Segoe UI", system-ui, sans-serif;
  --body:"Geist", "Segoe UI", system-ui, sans-serif;
  --r:24px;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0B0D13; --fg:#ECEEF6; --muted:#979CB2; --line:rgba(255,255,255,.08); --soft:rgba(255,255,255,.045);
  --card:rgba(24,27,38,.66); --card-solid:#161923; --glass-brd:rgba(255,255,255,.07);
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 14px 36px -14px rgba(0,0,0,.7);
  --ink:#8F9CFF; --ink-fg:#0B0D13; --pop:#FF8B5E;--pop-ink:#FF9E78; --pop-soft:rgba(255,139,94,.14);
  --hl:#F2CE4A; --hl-fg:#2A2400; --mark:rgba(242,206,74,.4);
  --good:#4FD495;--good-ink:#4FD495; --good-bg:rgba(79,212,149,.14); --bad:#FF7B70;--bad-ink:#FF7B70; --bad-bg:rgba(255,123,112,.14);
  --m1:#6A2E17; --m2:#18306A; --m3:#10412D; --m-op:.6; --grid:rgba(255,255,255,.035);
  --sub-l:74%; --sub-bg-l:22%; --sub-s:75%; --tint-a:.35; color-scheme:dark;
}}
:root[data-theme="dark"]{
  --bg:#0B0D13; --fg:#ECEEF6; --muted:#979CB2; --line:rgba(255,255,255,.08); --soft:rgba(255,255,255,.045);
  --card:rgba(24,27,38,.66); --card-solid:#161923; --glass-brd:rgba(255,255,255,.07);
  --shadow:0 1px 0 rgba(255,255,255,.04) inset,0 14px 36px -14px rgba(0,0,0,.7);
  --ink:#8F9CFF; --ink-fg:#0B0D13; --pop:#FF8B5E;--pop-ink:#FF9E78; --pop-soft:rgba(255,139,94,.14);
  --hl:#F2CE4A; --hl-fg:#2A2400; --mark:rgba(242,206,74,.4);
  --good:#4FD495;--good-ink:#4FD495; --good-bg:rgba(79,212,149,.14); --bad:#FF7B70;--bad-ink:#FF7B70; --bad-bg:rgba(255,123,112,.14);
  --m1:#6A2E17; --m2:#18306A; --m3:#10412D; --m-op:.6; --grid:rgba(255,255,255,.035);
  --sub-l:74%; --sub-bg-l:22%; --sub-s:75%; --tint-a:.35; color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg); color:var(--fg); font-family:var(--body); font-size:16px; line-height:1.5; min-height:100%; isolation:isolate; -webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:-10%;z-index:-2;pointer-events:none;opacity:var(--m-op);filter:blur(30px);
  background:radial-gradient(38% 42% at 6% 4%,var(--m1),transparent 72%),radial-gradient(40% 45% at 96% 8%,var(--m2),transparent 72%),radial-gradient(48% 40% at 55% 104%,var(--m3),transparent 72%)}
body::after{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:24px 24px;
  -webkit-mask-image:radial-gradient(90% 60% at 50% 0%,#000 30%,transparent 80%);mask-image:radial-gradient(90% 60% at 50% 0%,#000 30%,transparent 80%)}
button{font:inherit;color:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2.5px solid var(--ink);outline-offset:2px}
.wrap{max-width:1040px;margin:0 auto;padding-inline:16px;padding-block:14px 56px;display:flex;flex-direction:column;gap:24px}
.glass{background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-radius:var(--r)}

/* header */
header{position:sticky;top:calc(env(safe-area-inset-top, 0px) + 10px);z-index:20;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:8px 8px 8px 12px;border-radius:20px;
  background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;background:none;border:0;padding:0}
.logo{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;box-shadow:0 6px 16px -6px var(--ink)}
.tld{color:var(--muted);font-weight:500;font-size:.72em;margin-left:1px}
.logo svg{display:block}
.brand b{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.02em}
.hright{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.grades{display:flex;align-items:center;gap:8px}
.grades span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px}
.seg button{border:0;background:none;width:34px;height:32px;border-radius:999px;font-weight:600;font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted);transition:background .2s,color .2s}
.seg button:hover{color:var(--fg)}
.seg button[aria-pressed="true"]{background:var(--card-solid);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg.lvl button{width:auto;padding:0 12px}
.tt{width:38px;height:38px;border-radius:999px;border:1px solid var(--line);background:var(--soft);display:grid;place-items:center;color:var(--fg);transition:transform .3s}
.tt:hover{transform:rotate(-18deg)}
.tt svg{display:block}

h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.025em}
h1{font-size:clamp(26px,4.2vw,38px);font-weight:700;line-height:1.12}
h2{font-size:17px;font-weight:500}
.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:500}
.mark{background:linear-gradient(transparent 58%,var(--mark) 58%);color:inherit;padding:0 3px;border-radius:3px}
/* summary */
.hello{display:flex;flex-direction:column;gap:10px}
.hello p{margin:0;color:var(--muted);max-width:60ch}
.stats{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:14px;color:var(--muted)}
.stats strong{color:var(--fg);font-variant-numeric:tabular-nums}

/* sections */
section{display:flex;flex-direction:column;gap:14px}
.today{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.pick{--c:hsl(var(--h) var(--sub-s) var(--sub-l));text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.pick:hover{border-color:var(--c)}
.pick .sub{font-size:12px;font-weight:600;color:var(--c);text-transform:uppercase;letter-spacing:.06em}
.pick .t{font-weight:600;font-size:16px}

.subjects{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.subj{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));
  text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;display:flex;flex-direction:column;gap:12px;transition:transform .15s,border-color .15s}
.subj:hover{border-color:var(--c);transform:translateY(-2px)}
.subj .top{display:flex;align-items:center;gap:10px}
.glyph{width:40px;height:40px;border-radius:10px;background:var(--cb);color:var(--c);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:17px;flex:none}
.subj .n{font-weight:600;font-size:17px;line-height:1.2}
.subj .meta{font-size:13px;color:var(--muted);display:flex;justify-content:space-between;font-variant-numeric:tabular-nums}
.bar{height:6px;border-radius:99px;background:var(--line);overflow:hidden}
.bar i{display:block;height:100%;background:var(--c,var(--ink));border-radius:99px;transition:width .4s}

/* subject view */
.back{align-self:flex-start;background:none;border:0;padding:4px 0;color:var(--muted);font-size:14px}
.back:hover{color:var(--fg)}
.subhead{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between}
.subhead .l{display:flex;align-items:center;gap:14px;min-width:0}
.subhead .glyph{width:52px;height:52px;font-size:22px;border-radius:13px}
.topics{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.topic{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:grid;grid-template-columns:1fr auto;gap:6px 16px;align-items:center;padding:16px 18px;border-top:1px solid var(--line)}
.topic:first-child{border-top:0}
.topic .info{display:flex;flex-direction:column;gap:6px;min-width:0}
.topic .t{font-weight:600}
.topic .meta{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.topic .bar{max-width:280px}
.btn{border:1px solid transparent;border-radius:10px;padding:10px 18px;font-weight:600;background:var(--ink);color:var(--ink-fg);white-space:nowrap}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:transparent;color:var(--fg);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--fg)}
.btn:disabled{opacity:.45;cursor:default;filter:none}

/* quiz */
.quiz{--c:hsl(var(--h) var(--sub-s) var(--sub-l));background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,32px);display:flex;flex-direction:column;gap:22px}
.qtop{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.qtop .where{font-size:13px;color:var(--c);font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.qtop .count{font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.dots{display:flex;gap:6px}
.dots i{flex:1;height:6px;border-radius:99px;background:var(--line)}
.dots i.ok{background:var(--good)} .dots i.no{background:var(--bad)} .dots i.cur{background:var(--c)}
.qtext{font-family:var(--display);font-weight:600;font-size:clamp(21px,3.4vw,27px);line-height:1.25;margin:0;text-wrap:balance}
.opts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,280px),1fr));gap:10px}
.opt{display:flex;align-items:center;gap:12px;text-align:left;padding:14px 16px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);min-width:0}
.opt:not(:disabled):hover{border-color:var(--c)}
.opt .k{width:30px;height:30px;border-radius:8px;flex:none;display:grid;place-items:center;font-weight:600;font-size:14px;background:var(--bg);border:1px solid var(--line)}
.opt .v{min-width:0;overflow-wrap:anywhere}
.opt:disabled{cursor:default}
.opt.right{border-color:var(--good);background:var(--good-bg)}
.opt.right .k{background:var(--good);color:var(--card);border-color:var(--good)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.opt.wrong .v{text-decoration:line-through;text-decoration-color:var(--bad);text-decoration-thickness:2px}
.opt.wrong .k{background:var(--bad);color:var(--card);border-color:var(--bad)}
.opt.dim{opacity:.55}
.fb{display:flex;flex-wrap:wrap;gap:14px;align-items:flex-end;justify-content:space-between;border-radius:12px;padding:14px 16px;border:1px solid var(--line);background:var(--bg)}
.fb .msg{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 280px}
.fb .h{font-weight:600}
.fb.ok .h{color:var(--good)} .fb.no .h{color:var(--bad)}
.fb p{margin:0;color:var(--muted);font-size:15px;max-width:65ch}
.hint{font-size:12px;color:var(--muted)}
kbd{font-family:inherit;font-size:11px;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px;background:var(--card)}

/* results */
.result{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,32px);display:grid;grid-template-columns:auto 1fr;gap:20px 28px;align-items:center}
.grade{width:110px;height:130px;border:2px solid var(--bad);border-radius:8px;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:rotate(-4deg);color:var(--bad)}
.grade b{font-family:var(--display);font-weight:800;font-size:64px;line-height:1}
.grade span{font-size:12px;text-transform:uppercase;letter-spacing:.06em;text-align:center;padding-inline:6px}
.result .sum{display:flex;flex-direction:column;gap:8px;min-width:0}
.result .sum p{margin:0;color:var(--muted)}
.actions{display:flex;gap:10px;flex-wrap:wrap}
.review{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden}
.rv{display:grid;grid-template-columns:28px 1fr;gap:4px 12px;padding:14px 16px;border-top:1px solid var(--line)}
.rv:first-child{border-top:0}
.rv .m{font-weight:800;font-size:18px;line-height:1.3}
.rv.ok .m{color:var(--good)} .rv.no .m{color:var(--bad)}
.rv .q{font-weight:500;min-width:0}
.rv .a{grid-column:2;font-size:14px;color:var(--muted);min-width:0}
.rv .a em{font-style:normal;color:var(--fg);font-weight:500}

footer{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;font-size:13px;color:var(--muted);border-top:1px dashed var(--line);padding-top:16px}
footer button{background:none;border:1px solid var(--line);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--muted)}
footer button.arm{border-color:var(--bad);color:var(--bad)}
.empty{color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:var(--r);padding:20px}

/* math */
.fr{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;font-size:.86em;line-height:1.15;margin:0 .12em}
.fr>span{padding:0 .2em}
.fr>span:last-child{border-top:1.2px solid currentColor}
.rt{white-space:nowrap}
.rt>span{border-top:1.2px solid currentColor;padding:0 .12em;margin-left:.02em}
.rt sup{font-size:.62em;margin-right:-.35em;vertical-align:.9em}
sup{font-size:.7em}
.tw{overflow-x:auto;margin-block:10px}
.tb{border-collapse:collapse;font-size:15px;font-variant-numeric:tabular-nums}
.tb th,.tb td{border:1px solid var(--line);padding:6px 10px;text-align:center}
.tb th{font-weight:500;color:var(--muted);background:var(--bg)}
.promo{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-block:10px}
.promo>div{border:1.5px solid var(--good);border-radius:8px;padding:10px 14px;font-size:15px}
.promo b{display:block;font-weight:600;margin-bottom:4px}

/* exam CTA on home */
.ecta{display:grid;grid-template-columns:auto 1fr auto;gap:16px 20px;align-items:center;text-align:left;width:100%;background:var(--card);border:1.5px solid var(--ink);border-radius:var(--r);padding:16px 18px}
.ecta:hover{box-shadow:0 0 0 3px color-mix(in srgb,var(--ink) 18%,transparent)}
.ecta .badge{width:54px;height:54px;border-radius:12px;background:var(--ink);color:var(--ink-fg);display:grid;place-items:center;font-family:var(--display);font-weight:800;font-size:22px}
.ecta .t{font-family:var(--display);font-weight:600;font-size:19px;line-height:1.2}
.ecta .d{font-size:14px;color:var(--muted)}
.ecta .go{font-weight:600;color:var(--ink);white-space:nowrap}

/* exam list */
.papers{display:flex;flex-direction:column;gap:12px}
.paper{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;display:grid;grid-template-columns:1fr auto;gap:14px 20px;align-items:center}
.paper .info{display:flex;flex-direction:column;gap:4px;min-width:0}
.paper .t{font-family:var(--display);font-weight:600;font-size:20px}
.paper .meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:4px 14px;font-variant-numeric:tabular-nums}
.paper .res{font-size:14px}
.ptag{font-size:11.5px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:2px 8px;border-radius:999px;background:var(--pop-soft);color:var(--pop)}
.paper .res b{font-variant-numeric:tabular-nums}
.paper .acts{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.note{font-size:13px;color:var(--muted);max-width:70ch;margin:0}

/* exam runner */
.ehead{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:flex-end;gap:12px}
.ehead .r{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.pill{font-size:13px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:5px 12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.pill.warn{border-color:var(--bad);color:var(--bad)}
.tnav{display:flex;flex-wrap:wrap;gap:6px}
.tnav button{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--card);font-weight:600;font-size:14px;font-variant-numeric:tabular-nums}
.tnav button.ans{background:var(--bg);border-color:var(--muted)}
.tnav button.ok{background:var(--good-bg);border-color:var(--good);color:var(--good)}
.tnav button.no{background:var(--bad-bg);border-color:var(--bad);color:var(--bad)}
.tnav button.part{background:var(--hl);border-color:var(--hl);color:var(--hl-fg)}
.tnav button.todo{border-style:dashed;border-color:var(--ink);color:var(--ink)}
.tnav button[aria-current="true"]{outline:2.5px solid var(--ink);outline-offset:1px}
.tnav .sep{width:1px;background:var(--line);margin:0 4px}
.task{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,30px);display:flex;flex-direction:column;gap:16px}
.task .th{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.task .th b{font-family:var(--display);font-weight:800;font-size:22px}
.task .th span{font-size:13px;color:var(--muted)}
.task .txt{font-size:17px;line-height:1.65;max-width:72ch}
.task .qq{font-weight:600;font-size:17px;line-height:1.6;max-width:72ch}
.fig{margin:0;align-self:flex-start;background:#fff;border-radius:10px;padding:10px;border:1px solid var(--line);max-width:100%}
.fig img{display:block;max-width:100%;height:auto}
.eopts{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:10px}
.ch{display:flex;align-items:center;gap:12px;text-align:left;padding:12px 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--card);min-width:0;font-size:16px}
.ch:not(:disabled):hover{border-color:var(--ink)}
.ch .k{width:30px;height:30px;border-radius:8px;flex:none;display:grid;place-items:center;font-weight:600;font-size:14px;background:var(--bg);border:1px solid var(--line)}
.ch[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 1px var(--ink)}
.ch[aria-pressed="true"] .k{background:var(--ink);color:var(--ink-fg);border-color:var(--ink)}
.ch:disabled{cursor:default}
.ch.right{border-color:var(--good);background:var(--good-bg);box-shadow:none}
.ch.right .k{background:var(--good);color:var(--card);border-color:var(--good)}
.ch.wrong{border-color:var(--bad);background:var(--bad-bg);box-shadow:none}
.ch.wrong .k{background:var(--bad);color:var(--card);border-color:var(--bad)}
.abrow{display:flex;flex-direction:column;gap:8px}
.abrow p{margin:0;font-size:16px;line-height:1.6}
.abrow .eopts{grid-template-columns:repeat(2,minmax(0,1fr))}
.pft{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.pfr{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:12px 14px;border-top:1px solid var(--line)}
.pfr:first-child{border-top:0}
.pfr p{margin:0;font-size:16px;line-height:1.55;min-width:0}
.pfr .b{display:flex;gap:6px}
.pfr .ch{padding:0;width:42px;height:40px;justify-content:center;font-weight:700}
textarea.work{width:100%;min-height:130px;resize:vertical;border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;font:inherit;font-size:16px;color:var(--fg);background-color:var(--card);
  background-image:linear-gradient(var(--grid) 1px,transparent 1px),linear-gradient(90deg,var(--grid) 1px,transparent 1px);background-size:18px 18px;line-height:1.6}
textarea.work:focus{outline:none;border-color:var(--ink)}
.work-l{font-size:13px;color:var(--muted)}
.tact{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.tact .mid{display:flex;gap:10px;flex-wrap:wrap}
.solbox{border-radius:12px;border:1px solid var(--line);background:var(--bg);padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.verdict{font-weight:600}
.verdict.ok{color:var(--good)} .verdict.no{color:var(--bad)}
.solbox h3{font-size:15px;font-family:var(--body);font-weight:600;letter-spacing:0}
.steps{margin:0;padding-left:1.3em;display:flex;flex-direction:column;gap:6px;line-height:1.7;max-width:70ch}
.rub{margin:0;padding-left:1.1em;font-size:14px;color:var(--muted);display:flex;flex-direction:column;gap:3px;line-height:1.6}
.result-line{font-size:16px}
.result-line b{background:linear-gradient(transparent 58%,var(--hl) 58%);padding:0 3px}
.self{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-top:4px;border-top:1px dashed var(--line)}
.self span{font-size:14px;font-weight:500;margin-right:4px}
.self button{min-width:44px;height:38px;border-radius:9px;border:1.5px solid var(--line);background:var(--card);font-weight:600}
.self button[aria-pressed="true"]{background:var(--ink);color:var(--ink-fg);border-color:var(--ink)}
/* summary */
.esum{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:clamp(18px,4vw,30px);display:grid;grid-template-columns:auto 1fr;gap:18px 28px;align-items:center}
.score{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:120px}
.score b{font-family:var(--display);font-weight:800;font-size:58px;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums}
.score span{font-size:14px;color:var(--muted)}
.esum .sum{display:flex;flex-direction:column;gap:10px;min-width:0}
.esum .sum p{margin:0;color:var(--muted)}
.split{display:flex;gap:10px;flex-wrap:wrap}
.split .pill b{font-weight:600}
.ptab{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;font-size:15px}
.ptab th,.ptab td{padding:9px 12px;border-top:1px solid var(--line);text-align:left;font-variant-numeric:tabular-nums}
.ptab th{font-weight:500;color:var(--muted);font-size:13px;border-top:0}
.ptab td.p{font-weight:600;white-space:nowrap}
.ptab button{background:none;border:0;padding:0;color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.ptab .st-ok{color:var(--good)} .ptab .st-no{color:var(--bad)} .ptab .st-todo{color:var(--ink)}

/* ===== Warstwa bento + szkło ===== */
.subj,.topics,.quiz,.result,.review,.paper,.task,.esum,.empty,.tile{background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-radius:var(--r)}
.ptab{border-collapse:separate;border-spacing:0;background:var(--card);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid var(--glass-brd);border-radius:var(--r);box-shadow:var(--shadow)}
.ptab th,.ptab td{border-top:1px solid var(--line)}
.ptab tr:first-child th{border-top:0}
.btn{border-radius:999px;padding:11px 20px;font-weight:600;transition:transform .15s,box-shadow .2s,background .2s,border-color .2s}
.btn:not(.ghost):not(:disabled){box-shadow:0 10px 22px -12px var(--ink)}
.btn:not(:disabled):hover{transform:translateY(-1px);filter:none}
.btn.ghost{background:var(--soft);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--muted)}
.back{font-weight:500}
.bar{height:8px;background:var(--soft)}
.opt,.ch{border-radius:16px;border-color:var(--line);background:var(--card-solid);transition:border-color .15s,transform .15s,background .15s}
.opt:not(:disabled):hover,.ch:not(:disabled):hover{transform:translateY(-1px)}
.opt .k,.ch .k,kbd{background:var(--soft);border-color:var(--line);border-radius:10px}
.fb,.solbox{background:var(--soft);border-color:var(--line);border-radius:18px}
.tb th{background:var(--soft)}
.tb{border-radius:12px}
.pill{background:var(--card);border-color:var(--line)}
.tnav button{border-radius:12px;background:var(--card);border-color:var(--line)}
.tnav button.ans{background:var(--soft);border-color:var(--muted)}
.self button{border-radius:12px;background:var(--card-solid)}
.glyph{border-radius:14px;font-family:var(--display);font-weight:700;font-size:15px}
.dots i{background:var(--soft)}
.qtext{font-family:var(--display);font-weight:500;letter-spacing:-.02em}
.score b,.task .th b{font-family:var(--display);font-weight:700}
.task .th b{font-size:19px}
.fig{border-radius:16px;border-color:var(--line)}
textarea.work{border-radius:16px;border-color:var(--line);background-color:var(--card-solid)}
footer{border-top:1px solid var(--line)}
footer button{border-radius:999px;background:var(--soft)}
.promo>div{border-radius:14px}
.paper{padding:20px 22px}
.paper .t,.subj .n,.ecta .t{font-family:var(--display);font-weight:500;letter-spacing:-.02em}
.paper .t{font-size:18px}

/* podpowiedź o klawiszach tylko na komputerze (mysz + klawiatura) */
@media (hover:none),(pointer:coarse){.kbd-hint{display:none}}
.swipe-hint{display:none;flex-basis:100%;text-align:right}
@media (hover:none),(pointer:coarse){
  .swipe-hint{display:block}
  .quiz.fade,.task.fade{animation:slidein .28s ease-out}
}
@keyframes slidein{from{opacity:.3;transform:translateX(40px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.quiz.fade,.task.fade{animation:none}}
/* podkategorie przedmiotu */
.catnav{display:flex;flex-wrap:wrap;gap:6px;padding:4px;border-radius:20px;background:var(--soft);align-self:flex-start;max-width:100%}
.catnav button{border:0;background:none;padding:8px 14px;border-radius:999px;font-weight:600;font-size:14px;color:var(--muted);transition:background .2s,color .2s}
.catnav button:hover{color:var(--fg)}
.catnav button[aria-pressed="true"]{background:var(--card-solid);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.catsec{gap:12px}
.tgroup{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:12px 18px 8px;border-top:1px solid var(--line);font-family:var(--display);font-weight:500;font-size:14px;letter-spacing:-.01em;color:hsl(var(--h) var(--sub-s) var(--sub-l));background:var(--soft)}
.tgroup:first-child{border-top:0}
.tgroup span{font-family:var(--body);font-size:12.5px;color:var(--muted);font-weight:400}

.cathead{display:flex;align-items:flex-end;justify-content:space-between;gap:10px 16px;flex-wrap:wrap;padding-left:14px;border-left:4px solid hsl(var(--h) var(--sub-s) var(--sub-l))}
.cathead h2{font-size:18px}
.cathead span{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}

/* bento na stronie głównej */
.bento{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.tile{padding:22px;display:flex;flex-direction:column;gap:12px;min-width:0;position:relative;overflow:hidden;text-align:left}
button.tile{font:inherit;color:inherit;cursor:pointer;transition:transform .2s,box-shadow .2s}
button.tile:hover{transform:translateY(-2px)}
.t-hero{grid-column:span 2;grid-row:span 2;justify-content:space-between;gap:22px;padding:28px}
.t-hero p{margin:0;color:var(--muted);max-width:44ch;font-size:16px}
.t-hero .acts{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.t-hero .copy{display:flex;flex-direction:column;gap:12px;position:relative;z-index:1}
.floaters{position:absolute;right:18px;top:18px;display:grid;grid-template-columns:repeat(2,44px);gap:10px;pointer-events:none;opacity:.9}
.floaters span{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:15px;
  color:hsl(var(--h) var(--sub-s) var(--sub-l));background:hsl(var(--h) 90% var(--sub-bg-l) / .8);border:1px solid var(--glass-brd);animation:bob 6s ease-in-out infinite}
.floaters span:nth-child(2){animation-delay:-1.5s;transform:translateY(12px)}
.floaters span:nth-child(3){animation-delay:-3s}
.floaters span:nth-child(4){animation-delay:-4.5s}
@keyframes bob{0%,100%{translate:0 0}50%{translate:0 -6px}}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{font-size:13px;padding:5px 11px;border-radius:999px;background:var(--soft);border:1px solid var(--line);color:var(--muted);font-variant-numeric:tabular-nums}
.chip b{color:var(--fg);font-weight:600}
.t-ring{align-items:center;justify-content:center;text-align:center;gap:6px}
.t-ring svg{display:block;max-width:100%;height:auto}
.t-ring .l{font-size:13px;color:var(--muted)}
.t-count{justify-content:space-between}
.big{font-family:var(--display);font-weight:700;font-size:44px;line-height:1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.t-count .l{font-size:14px;color:var(--muted)}
.spark{display:flex;align-items:flex-end;gap:4px;height:34px}
.spark i{flex:1;border-radius:4px;background:var(--pop);opacity:.85;min-height:4px}
.t-today{grid-column:span 2;gap:10px}
.trow{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;text-align:left;padding:10px 12px;border-radius:16px;border:1px solid transparent;background:var(--soft);transition:border-color .15s,transform .15s}
.trow:hover{border-color:var(--c);transform:translateX(2px)}
.trow .dot{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:13px;color:var(--c);background:hsl(var(--h) 90% var(--sub-bg-l) / .9)}
.trow .t{font-weight:600;line-height:1.25;min-width:0}
.trow .s{display:block;font-size:12.5px;color:var(--muted);font-weight:400}
.trow .p{font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.t-exam{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:18px 24px;align-items:center;
  background:linear-gradient(120deg,var(--pop-soft),transparent 60%),var(--card)}
.t-exam .copy{display:flex;flex-direction:column;gap:8px}
.t-exam .tag{align-self:flex-start;font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:5px 10px;border-radius:999px;background:var(--pop);color:#fff}
.t-exam .ti{font-family:var(--display);font-weight:700;font-size:clamp(20px,2.6vw,26px);letter-spacing:-.025em;line-height:1.15}
.t-exam .d{color:var(--muted);font-size:15px}
.t-exam .go{font-weight:600;color:var(--ink)}
.papers-mini{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.pm{display:flex;flex-direction:column;gap:4px;padding:12px;border-radius:16px;background:var(--card-solid);border:1px solid var(--line);min-width:0}
.pm .n{font-size:12.5px;color:var(--muted);line-height:1.25}
.pm .v{font-family:var(--display);font-weight:700;font-size:20px;font-variant-numeric:tabular-nums}
.pm .v.none{color:var(--muted);font-size:16px;font-weight:500}
.shead{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap}
.shead span{font-size:13px;color:var(--muted)}
.subjects{grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:14px}
.subj{background:linear-gradient(160deg,hsl(var(--h) 90% var(--sub-bg-l) / var(--tint-a)) 0%,transparent 62%),var(--card);padding:18px;gap:16px}
.subj:hover{transform:translateY(-3px);border-color:var(--glass-brd);box-shadow:0 18px 40px -18px hsl(var(--h) 70% 40% / .45)}
.subj .n{font-size:15px}
.subj .foot{display:flex;flex-direction:column;gap:8px}
.subj .row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.subj .pc{font-family:var(--display);font-weight:700;font-size:26px;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.subj .q{font-size:13px;color:var(--muted)}
.subj .arrow{position:absolute;right:16px;top:16px;width:30px;height:30px;border-radius:999px;display:grid;place-items:center;background:var(--soft);color:var(--muted);transition:transform .2s,background .2s,color .2s}
.subj:hover .arrow{transform:rotate(-45deg);background:var(--c);color:var(--card-solid)}
.subj{position:relative}
@media (max-width:860px){
  .bento{grid-template-columns:repeat(2,minmax(0,1fr))}
  .t-hero{grid-row:auto}
  .t-exam{grid-template-columns:1fr}
}
@media (max-width:1000px){ .floaters{display:none} }
.t-hero .btn{white-space:normal;text-align:left;max-width:100%}
@media (max-width:520px){
  .subjects{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .subj{padding:14px;gap:12px}
  .subj .top{flex-direction:column;align-items:flex-start;gap:8px}
  .subj .pc{font-size:22px}
  .subj .arrow{display:none}
  .bento{gap:10px}
  .t-hero{padding:22px}
  .papers-mini{grid-template-columns:1fr}
  .pm{flex-direction:row;justify-content:space-between;align-items:center}
  .grades span{display:none}
}

@media (max-width:560px){
  .ecta{grid-template-columns:auto 1fr}
  .ecta .go{grid-column:1/-1}
  .paper{grid-template-columns:1fr}
  .paper .acts{justify-content:flex-start}
  .esum{grid-template-columns:1fr;justify-items:start}
  .abrow .eopts{grid-template-columns:1fr}
  .result{grid-template-columns:1fr;justify-items:start}
  .topic{grid-template-columns:1fr}
  .topic .btn{justify-self:start}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
.fade{animation:fade .25s ease-out}
@keyframes fade{from{opacity:.4;transform:translateY(4px)}to{opacity:1;transform:none}}

/* ---------- Notatki ---------- */
.tacts{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nbtn{display:inline-flex;align-items:center;gap:7px}
.btn.soft{background:hsl(var(--h) 60% var(--sub-bg-l));color:hsl(var(--h) var(--sub-s) var(--sub-l));border-color:transparent;box-shadow:none}
.btn.soft:hover{border-color:hsl(var(--h) var(--sub-s) var(--sub-l))}
.ab{font-family:"STIX Two Math","Cambria Math","Noto Sans Math","Segoe UI Symbol","Apple Symbols","Latin Modern Math",serif;font-weight:600;padding:0 .02em;font-size:1.08em;line-height:1}
.nbtn svg{flex:none}
.topic .meta .nst{color:hsl(var(--h) var(--sub-s) var(--sub-l));font-weight:500}
.topic .meta .nst.rd{color:var(--good)}
.notepage{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));display:flex;flex-direction:column;gap:18px;max-width:780px;width:100%;align-self:center}
.nhead{display:flex;flex-direction:column;gap:12px;padding:clamp(20px,4vw,32px);border-radius:var(--r);background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-top:5px solid var(--c)}
.nhead .lead{margin:0;font-size:17px;line-height:1.6;color:var(--muted);max-width:62ch}
.nhead .row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:space-between}
.nhead .chips .chip.ok{color:var(--good);border-color:var(--good-bg);background:var(--good-bg)}
.nbadge{display:inline-block;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;padding:3px 9px;border-radius:999px;background:var(--cb);color:var(--c);margin-left:6px;vertical-align:middle}
.ntoc{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.ntoc span{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:500;margin-right:4px}
.ntoc button{border:1px solid var(--line);background:var(--soft);border-radius:999px;padding:6px 12px;font-size:13.5px;font-weight:500;color:var(--fg);text-align:left}
.ntoc button:hover{border-color:var(--c);color:var(--c)}
.nsec{background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-radius:var(--r);padding:clamp(18px,3.5vw,28px);display:flex;flex-direction:column;gap:14px;scroll-margin-top:96px}
.nsec h2{font-size:19px;font-weight:600;display:flex;align-items:baseline;gap:10px}
.nsec h2 .no{font-family:var(--body);font-size:13px;font-weight:600;color:var(--c);background:var(--cb);border-radius:8px;padding:2px 8px;flex:none}
.nlist{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:9px;font-size:16.5px;line-height:1.62;max-width:68ch}
.nlist li{position:relative;padding-left:22px}
.nlist li::before{content:"";position:absolute;left:4px;top:.68em;width:7px;height:7px;border-radius:50%;background:var(--c)}
.nlist b,.nkey b,.nerr b,.nmat b{font-weight:650;color:var(--fg)}
.nkey,.nerr,.nmat{border-radius:14px;padding:12px 16px;display:flex;flex-direction:column;gap:4px;max-width:68ch}
.nkey{background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--c)}
.nkey p{margin:0;font-weight:600;font-size:16.5px;line-height:1.55;font-variant-numeric:tabular-nums}
.nerr{background:var(--bad-bg);border:1px solid transparent}
.nerr p,.nmat p{margin:0;line-height:1.55}
.nmat{background:var(--pop-soft);border:1px solid transparent;max-width:none}
.lbl{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.09em}
.nkey .lbl{color:var(--c)} .nerr .lbl{color:var(--bad)} .nmat .lbl{color:var(--pop)}
.ntab{border-collapse:separate;border-spacing:0;font-size:15px;min-width:100%;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.ntab th,.ntab td{padding:9px 12px;text-align:left;vertical-align:top;border-top:1px solid var(--line);line-height:1.45}
.ntab th{background:var(--soft);font-weight:600;font-size:13.5px;border-top:0}
.ntab td:first-child{font-weight:600}
@media (max-width:560px){.ntab.stk thead{display:none}.ntab.stk,.ntab.stk tbody{display:block}.ntab.stk tr{display:block;padding:10px 14px;border-top:1px solid var(--line)}.ntab.stk tr:first-child{border-top:0}.ntab.stk td{display:block;padding:1px 0;border:0}.ntab.stk td+td::before{content:attr(data-l) ": ";color:var(--muted);font-size:.86em;font-weight:500}}
.nsec .tw{margin:0}
.ncta{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:flex;flex-wrap:wrap;gap:14px 20px;align-items:center;justify-content:space-between;padding:clamp(18px,3.5vw,26px);border-radius:var(--r);background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-left:5px solid var(--c)}
.ncta .c{display:flex;flex-direction:column;gap:3px}
.ncta .c b{font-family:var(--display);font-weight:600;font-size:19px;letter-spacing:-.02em}
.ncta .c span:last-child{color:var(--muted);font-size:14px}
.ncta .a{display:flex;gap:8px;flex-wrap:wrap}
.ncta [data-readtoggle][aria-pressed="true"]{color:var(--good);border-color:var(--good-bg);background:var(--good-bg)}
.nnav{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.nnav button{display:flex;flex-direction:column;gap:2px;text-align:left;padding:12px 16px;border-radius:18px;border:1px solid var(--line);background:var(--soft);min-width:0}
.nnav button:hover{border-color:var(--muted)}
.nnav button.nx{text-align:right;grid-column:2}
.nnav button span{font-size:12.5px;color:var(--muted)}
.nnav button b{font-weight:600;overflow-wrap:anywhere}
.rprog{position:fixed;left:0;right:0;top:0;height:3px;z-index:30;pointer-events:none}
.rprog i{display:block;height:100%;width:0;background:var(--c,var(--ink));transition:width .12s linear}
.lnk{background:none;border:0;padding:0;color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px;font-size:14px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.trow .s .via{display:inline-block;margin-left:6px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.06em;padding:1px 7px;border-radius:999px;background:var(--soft);border:1px solid var(--line)}
@media (max-width:560px){
  .tacts{justify-content:flex-start}
  .nlist{font-size:16px}
  .nnav{grid-template-columns:1fr}
  .nnav button.nx{grid-column:1}
  .ncta .a{width:100%} .ncta .a .btn{flex:1 1 auto;text-align:center}
}
@media print{
  body::before,body::after,header,footer,.back,.rprog,.ntoc,.nnav,.ncta{display:none!important}
  body{background:#fff;color:#000}
  .nhead,.nsec{box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;background:#fff;border:1px solid #ccc;break-inside:avoid}
  .nmat{background:#fff;border:1px solid #ccc}
}

/* quiz – gesty i układ dotykowy */
.quiz{touch-action:pan-y;will-change:transform}
.qtop .r{display:flex;align-items:center;gap:14px}
.qprev{background:none;border:0;padding:8px 2px;color:var(--muted);font-size:14px;font-weight:500;min-height:44px}
.qprev:hover{color:var(--fg)}
.qhint{display:none;margin:-6px 0 0;text-align:center;font-size:13px;color:var(--muted);min-height:1.3em}
.qhint.shake{color:var(--bad);font-weight:500;animation:qshake .36s}
@keyframes qshake{20%,60%{transform:translateX(-6px)}40%,80%{transform:translateX(6px)}}
@keyframes slideinL{from{opacity:.3;transform:translateX(-40px)}to{opacity:1;transform:none}}
@media (hover:none),(pointer:coarse){
  .qhint{display:block}
  .quiz.fade.back{animation:slideinL .28s ease-out}
}
@media (max-width:760px),(pointer:coarse) and (max-width:1180px){
  .fb{flex-direction:column;align-items:stretch;gap:14px}
  .fb .msg{flex:none}
  .fb #next{width:100%;min-height:56px;font-size:17px;border-radius:16px}
}
@media (prefers-reduced-motion:reduce){.quiz.fade.back{animation:none}.qhint.shake{animation:none}}

/* tryb skupienia: nagłówek przewija się razem ze stroną */
body.focus-mode header{position:static}
body.focus-mode .nsec{scroll-margin-top:16px}

/* notatki – przesuwanie palcem */
.notepage{touch-action:pan-y}
.notepage .tw{touch-action:pan-x pan-y}
.nhint{margin:0}
@media (hover:none),(pointer:coarse){
  .notepage.fade{animation:slidein .28s ease-out}
  .notepage.fade.back{animation:slideinL .28s ease-out}
}
@media (prefers-reduced-motion:reduce){.notepage.fade,.notepage.fade.back{animation:none}}

/* ---------- zakładki tematu ---------- */
.ttabs{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));display:grid;grid-template-columns:repeat(3,1fr);gap:4px;padding:4px;border-radius:20px;background:var(--soft);border:1px solid var(--line)}
.ttab{display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:8px;align-items:center;text-align:left;border:0;background:none;border-radius:16px;padding:9px 12px;min-height:52px;color:var(--muted);min-width:0}
.ttab svg{grid-row:1/3;flex:none}
.ttab .l{font-weight:650;font-size:15px;color:var(--fg)}
.ttab .st{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ttab.done .st{color:var(--good)}
.ttab:hover{background:var(--card)}
.ttab[aria-current="page"]{background:var(--card-solid);box-shadow:0 1px 3px rgba(0,0,0,.12),inset 0 -3px 0 var(--c);color:var(--c)}
.ttab[aria-current="page"] .l{color:var(--c)}
@media (max-width:520px){
  .ttab{grid-template-columns:1fr;justify-items:center;text-align:center;padding:8px 4px;row-gap:2px}
  .ttab svg{grid-row:auto}
  .ttab .l{font-size:14px}
  .ttab .st{font-size:11px;max-width:100%}
}
.quizhead{display:flex;flex-direction:column;gap:12px}
/* wiersz tematu – trzy kroki */
.tacts3{display:grid;grid-template-columns:repeat(3,auto);gap:6px;justify-content:end}
.tacts3 .btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 14px;font-size:14.5px}
.tacts3 .btn small{font-weight:500;opacity:.8;font-size:12px}
@media (max-width:560px){ .tacts3{grid-template-columns:repeat(3,1fr);justify-content:stretch;width:100%} .tacts3 .btn{padding:10px 6px;min-height:46px} .tacts3 .btn small{display:none} }
/* ---------- fiszki ---------- */
.fcwrap{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));display:flex;flex-direction:column;gap:14px;max-width:720px;width:100%;align-self:center}
.fch{font-size:clamp(22px,3.4vw,30px)}
.fc{display:flex;flex-direction:column;gap:14px}
.fctop{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted);font-variant-numeric:tabular-nums}
.tally{display:flex;gap:12px;font-weight:600}
.tally .k{color:var(--good)} .tally .n{color:var(--bad)}
.fcbar{display:flex;gap:4px}
.fcbar i{flex:1;height:6px;border-radius:99px;background:var(--soft);border:1px solid var(--line)}
.fcbar i.k{background:var(--good);border-color:transparent} .fcbar i.n{background:var(--bad);border-color:transparent} .fcbar i.cur{background:var(--c);border-color:transparent}
.fcstage{perspective:1400px;touch-action:pan-y}
.fcard{position:relative;display:block;width:100%;border:0;padding:0;background:none;text-align:center;cursor:pointer;-webkit-tap-highlight-color:transparent;will-change:transform}
.fcard .inner{display:grid;transition:transform .45s cubic-bezier(.3,.7,.2,1);transform-style:preserve-3d}
.fcard.flipped .inner{transform:rotateY(180deg)}
.face{grid-area:1/1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:clamp(260px,46vh,400px);padding:28px 24px;border-radius:24px;background:var(--card-solid);border:1px solid var(--line);box-shadow:var(--shadow);backface-visibility:hidden;-webkit-backface-visibility:hidden}
.face.front{border-top:5px solid var(--c)}
.face.backf{transform:rotateY(180deg);background:var(--cb);border-top:5px solid var(--c)}
.face .lbl{font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--c)}
.face .txt{font-size:clamp(19px,2.6vw,24px);line-height:1.45;font-weight:600;max-width:34ch;overflow-wrap:anywhere}
.face.backf .txt{font-weight:500;font-size:clamp(17px,2.3vw,21px)}
.face .tap{font-size:13px;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.stamp{position:absolute;top:22px;padding:6px 12px;border-radius:10px;font-weight:800;font-size:15px;letter-spacing:.04em;text-transform:uppercase;opacity:0;pointer-events:none;border:2.5px solid currentColor;background:var(--card-solid)}
.stamp.sk{left:18px;color:var(--good);transform:rotate(-10deg)}
.stamp.sn{right:18px;color:var(--bad);transform:rotate(10deg)}
.fcard.inr{animation:slidein .26s ease-out} .fcard.inl{animation:slideinL .26s ease-out}
.fcact{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fcact .btn{min-height:56px;font-size:16.5px;border-radius:16px;white-space:normal}
.fcact .fshow{grid-column:1/-1}
.fcact .fno{background:var(--bad-bg);color:var(--bad);border-color:transparent;box-shadow:none}
.fcact .fyes{background:var(--good);color:#fff;box-shadow:0 10px 22px -12px var(--good)}
:root[data-theme="dark"] .fcact .fyes{color:#0B0D13}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .fcact .fyes{color:#0B0D13}}
.fcfoot{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.fcfoot .lnk{font-size:14px;padding:10px 0;min-height:44px}
.fcfoot .lnk:disabled{opacity:.35;cursor:default;text-decoration:none}
.fcfoot .hint{flex:1;text-align:center}
.fch-touch{display:none}
@media (hover:none),(pointer:coarse){ .fch-touch{display:block} }
.fcdone{display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;padding:clamp(22px,4vw,34px);border-radius:var(--r);background:var(--card);border:1px solid var(--glass-brd);box-shadow:var(--shadow)}
.fcdone .big{font-family:var(--display);font-weight:700;font-size:56px;line-height:1;letter-spacing:-.03em;color:var(--c)}
.fcdone .big span{font-size:22px;color:var(--muted);margin-left:6px}
.fcdone .big.ok{color:var(--good)}
.fcdone h2{font-size:22px;font-weight:600}
.fcdone p{margin:0;color:var(--muted);max-width:48ch}
.fcdone .actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.fcdone .actions .btn{display:inline-flex;align-items:center;gap:8px}
.fcrep{list-style:none;margin:6px 0 0;padding:0;width:100%;display:flex;flex-direction:column;text-align:left;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.fcrep li{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-top:1px solid var(--line)}
.fcrep li:first-child{border-top:0}
.fcrep span{color:var(--muted);font-size:14.5px}
@media (max-width:560px){ .fcdone .actions{flex-direction:column;width:100%} .fcdone .actions .btn{justify-content:center;min-height:50px} }
@media (prefers-reduced-motion:reduce){ .fcard .inner{transition:none} .fcard.inr,.fcard.inl{animation:none} }
/* poprawki: cienie, mobile */
.btn.soft:not(:disabled){box-shadow:none}
.fcact .btn.fno:not(:disabled){box-shadow:none}
.fcact .btn.fyes:not(:disabled){box-shadow:0 10px 22px -14px var(--good)}
.topic .tacts3 .btn{justify-self:stretch}
@media (max-width:560px){
  .face{min-height:clamp(190px,30vh,300px);padding:22px 18px}
  .fch{font-size:20px}
  .fcwrap{gap:12px}
}
/* notatka: dwa kolejne kroki */
.ncta .a .btn{display:inline-flex;align-items:center;gap:7px}

/* zakres nauki */
.scope{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;padding:12px 14px;border-radius:20px;background:var(--card);border:1px solid var(--glass-brd);box-shadow:var(--shadow)}
.scope .lab{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600}
.seg2{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px;border:1px solid var(--line)}
.seg2 button{border:0;background:none;padding:9px 16px;min-height:40px;border-radius:999px;font-weight:600;font-size:14.5px;color:var(--muted);transition:background .2s,color .2s}
.seg2 button:hover{color:var(--fg)}
.seg2 button[aria-pressed="true"]{background:var(--card-solid);color:var(--fg);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seg2 button[data-scope="1"][aria-pressed="true"]{background:var(--c);color:var(--ink-fg)}
.scope .sinfo{font-size:13.5px;color:var(--muted);flex:1 1 240px;line-height:1.45}
.zr{display:inline-grid;place-items:center;min-width:22px;height:20px;padding:0 6px;margin-left:8px;border-radius:6px;font-size:11.5px;font-weight:800;letter-spacing:.02em;vertical-align:2px;background:hsl(var(--h) var(--sub-s) var(--sub-l));color:var(--ink-fg)}
.ztag{display:inline-grid;place-items:center;font-size:10.5px;font-weight:800;padding:2px 6px;border-radius:6px;margin-left:6px;vertical-align:2px;background:var(--c);color:var(--ink-fg)}
.nbadge.zrb{background:var(--c);color:var(--ink-fg)}
.scope.nudge{border-color:var(--c);box-shadow:0 0 0 1px var(--c),var(--shadow)}
.scope.nudge .sinfo{color:var(--fg);font-size:14px}
.scope.nudge .seg2 button[data-scope="1"]{color:var(--fg);box-shadow:inset 0 0 0 2px var(--c)}
@media (max-width:560px){ .scope{flex-direction:column;align-items:stretch} .scope .sinfo{flex:none} .seg2 button{flex:1} }

/* fiszki – tryb dotykowy */
.fclegend{display:none;justify-content:space-between;align-items:center;gap:8px;font-size:14px;font-weight:600;user-select:none;-webkit-user-select:none}
.fclegend span{display:inline-flex;align-items:center;gap:6px;padding:4px 2px;transition:transform .15s,opacity .15s;opacity:.85}
.fclegend .k{color:var(--good)}
.fclegend .n{color:var(--bad)}
.fclegend .mid{color:var(--muted);font-weight:500;font-size:13px;padding:0;background:none}
.fclegend.go-k .k,.fclegend.go-n .n{transform:scale(1.15);opacity:1}
.fclegend.go-k .n,.fclegend.go-n .k{opacity:.3}
@media (hover:none),(pointer:coarse){
  .fcact{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);clip-path:inset(50%);white-space:nowrap}
  .fclegend{display:flex}
  .face{min-height:clamp(300px,50vh,540px)}
  .fcfoot .hint{display:none}
}
@media (hover:none) and (max-width:560px),(pointer:coarse) and (max-width:560px){ .face{min-height:clamp(240px,40vh,420px)} }

/* zapis matematyczny */
.wrap{overflow-x:clip}
.frac{display:inline-flex;flex-direction:column;align-items:stretch;vertical-align:middle;text-align:center;font-size:.9em;line-height:1.12;margin:0 .14em;position:relative}
.frac .fn{border-bottom:1.6px solid currentColor;padding:0 .18em .08em}
.frac .fd{padding:.1em .18em 0}
.frac .sr{position:absolute}
.nw{white-space:nowrap}
.frac .frac{font-size:.92em}
.rt{display:inline-flex;align-items:stretch;white-space:nowrap;vertical-align:-.3em;margin:0 .05em}
.rt .rsv{width:.62em;height:auto;flex:none;overflow:visible}
.rt .rsv path{fill:none;stroke:currentColor;stroke-width:1.6;vector-effect:non-scaling-stroke;stroke-linejoin:round;stroke-linecap:round}
.rt .rr{border-top:1.6px solid currentColor;padding:.12em .14em 0 .08em;line-height:1.25}
.rt .ri{font-size:.6em;margin-right:-.5em;align-self:flex-start;line-height:1;transform:translateY(.15em);position:relative;z-index:1}
sup.ex{font-size:.72em;line-height:0}
sup.ex .frac{font-size:.85em;vertical-align:.6em}
.nlist li,.nkey p,.nerr p,.nmat p,.ntab td{line-height:1.75}
/* rysunki */
.nfig{margin:4px 0;display:flex;flex-direction:column;align-items:flex-start;gap:6px;max-width:100%}
.nfig{width:100%}
.nfig > svg{width:auto;max-width:100%;height:auto;background:var(--card-solid);border:1px solid var(--line);border-radius:14px;padding:10px;box-sizing:border-box}
.nfig figcaption{font-size:14px;color:var(--muted);line-height:1.5;max-width:60ch}
.face .ffig{margin:0;width:100%;display:flex;justify-content:center}
.face .ffig > svg{max-width:100%;max-height:min(30vh,230px);width:auto;height:auto}
.opt .v .frac,.qtext .frac{font-size:.95em}
.fg{max-width:100%;height:auto;display:block;overflow:visible}
.fg text{font-family:var(--body,system-ui);fill:var(--fg,#14161F)}
.fg .t{font-size:13px}.fg .t-sm{font-size:12px;fill:var(--muted,#5B6074)}.fg .t-b{font-size:14px;font-weight:700}.fg .t-l{font-size:15px;font-weight:700;font-style:italic}.fg .t-ax{font-size:13px;font-style:italic;fill:var(--muted,#5B6074)}
.fg .gr{stroke:var(--line,#e3e5ee);stroke-width:1}
.fg .ax,.fg .ln{stroke:var(--muted,#5B6074);stroke-width:1.4;fill:none}
.fg .arrh{fill:var(--muted,#5B6074)}
.fg .c1{stroke:var(--c,#3446F5);stroke-width:2.6;fill:none}
.fg .c2{stroke:var(--pop,#FF7A45);stroke-width:2.4;fill:none}
.fg .c3{stroke:var(--muted,#5B6074);stroke-width:2;fill:none}
.fg .c2d{stroke:var(--pop,#FF7A45);stroke-width:2.4;fill:none;stroke-dasharray:7 6}
.fg .c3d{stroke:var(--muted,#5B6074);stroke-width:1.8;fill:none;stroke-dasharray:6 5}
.fg .c1t{fill:var(--c,#3446F5)}.fg .c2t{fill:var(--pop,#FF7A45)}.fg .c3t{fill:var(--muted,#5B6074)}
.fg .pt{fill:var(--c,#3446F5);stroke:none}.fg .pt.c0,.fg .pt3{fill:var(--muted,#5B6074)}
.fg .pt2{fill:var(--pop,#FF7A45)}
.fg .pto{fill:var(--card-solid,#fff);stroke:var(--c,#3446F5);stroke-width:2.2}
.fg .seg{stroke:var(--c,#3446F5);stroke-width:6;stroke-linecap:round;opacity:.45}
.fg .tri{fill:var(--soft,rgba(20,24,48,.045));stroke:var(--fg,#14161F);stroke-width:1.8;stroke-linejoin:round}
.fg .s-a{stroke:var(--pop,#FF7A45);stroke-width:4;stroke-linecap:round}.fg .s-at{fill:var(--pop,#FF7A45)}
.fg .s-b{stroke:var(--c,#3446F5);stroke-width:4;stroke-linecap:round}.fg .s-bt{fill:var(--c,#3446F5)}
.fg .s-c{stroke:var(--good,#12885A);stroke-width:4;stroke-linecap:round}.fg .s-ct{fill:var(--good,#12885A)}
.fg .ang{fill:var(--c,#3446F5);fill-opacity:.18;stroke:var(--c,#3446F5);stroke-width:1.5}
.fg .ang2{fill:var(--pop,#FF7A45);fill-opacity:.2;stroke:var(--pop,#FF7A45);stroke-width:1.5}
.fg .rm{fill:none;stroke:var(--fg,#14161F);stroke-width:1.5}
.fg .tree{fill:var(--good,#12885A);fill-opacity:.25;stroke:var(--good,#12885A);stroke-width:1.5}
.fg .abf{font-family:"STIX Two Math","Cambria Math","Latin Modern Math",serif}
.fg .water-f{fill:var(--c,#3446F5);fill-opacity:.12;stroke:none}
.fg .land{fill:var(--good,#12885A);fill-opacity:.16;stroke:var(--fg,#14161F);stroke-width:1.4;stroke-linejoin:round}
.fg .ice{fill:#7cc3ee;stroke:#3a8fc2;stroke-width:1.2}
.fg .river{fill:none;stroke:var(--c,#3446F5);stroke-width:3;stroke-linecap:round}
.fg .basin{fill:var(--good,#12885A);fill-opacity:.12}
.fg .pane{fill:var(--soft,rgba(20,24,48,.045));stroke:var(--line,#e3e5ee)}
.fg .reg{fill:none;stroke:var(--muted,#5B6074);stroke-width:1}
.fg .sym{fill:var(--c,#3446F5)}
.fg .kart{fill:var(--c,#3446F5);stroke:var(--muted,#5B6074);stroke-width:1}
.fg .kd{fill:var(--pop,#FF7A45);fill-opacity:.75}
.fg .bar-d{fill:var(--fg,#14161F)}.fg .bar-l{fill:var(--card-solid,#fff);stroke:var(--fg,#14161F)}
.fg .bar-r{fill:var(--c,#3446F5);fill-opacity:.55}
.fg .bar-m{fill:var(--c,#3446F5);fill-opacity:.6}.fg .bar-f{fill:var(--pop,#FF7A45);fill-opacity:.6}
.fg .mount{fill:var(--muted,#5B6074);fill-opacity:.25;stroke:var(--fg,#14161F);stroke-width:1.2}
.fg .b1{fill:#e8d27a;fill-opacity:.55}.fg .b2{fill:#7cc3ee;fill-opacity:.5}.fg .b3{fill:#7fc97f;fill-opacity:.55}.fg .b4{fill:#e8c27a;fill-opacity:.65}.fg .b5{fill:#a8d88a;fill-opacity:.55}.fg .b6{fill:#b07a4a;fill-opacity:.6}

.fg text{paint-order:stroke fill;stroke:var(--card-solid,#fff);stroke-width:3px;stroke-linejoin:round}
.fg .c4{stroke:var(--good,#12885A);stroke-width:2.6;fill:none}.fg .c4t{fill:var(--good,#12885A)}
.fg .water{fill:#7cc3ee;fill-opacity:.38;stroke:none}
.fg .sun{fill:#f5b93a;stroke:#d99a12;stroke-width:1.2}
.fg .t-m{font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.fg .rul{stroke:var(--fg,#14161F);stroke-width:1.7;fill:none}
.fg .cel{fill:none;stroke:var(--line,#e3e5ee);stroke-width:1.2}
.fg .shd{fill:var(--c,#3446F5);fill-opacity:.28;stroke:var(--line,#e3e5ee);stroke-width:1.2}
.fg .pie1{fill:var(--c,#3446F5);fill-opacity:.6;stroke:var(--card-solid,#fff);stroke-width:2}
.fg .pie2{fill:var(--pop,#FF7A45);fill-opacity:.65;stroke:var(--card-solid,#fff);stroke-width:2}
.fg .pie3{fill:var(--good,#12885A);fill-opacity:.55;stroke:var(--card-solid,#fff);stroke-width:2}
.fg .pie4{fill:var(--muted,#5B6074);fill-opacity:.35;stroke:var(--card-solid,#fff);stroke-width:2}
.fg .wat{fill:#3d8fd6;fill-opacity:.18;stroke:none}.fg .riv{fill:none;stroke:#3d8fd6;stroke-width:3;stroke-linecap:round;stroke-linejoin:round}.fg .rivt{fill:#3d8fd6}

figure[data-zoom]{cursor:zoom-in;position:relative}
.nfig[data-zoom] > svg{transition:box-shadow .15s}
.nfig[data-zoom]:hover > svg{box-shadow:0 0 0 2px var(--c,#3446F5)}
.nfig[data-zoom]:focus-visible{outline:none}.nfig[data-zoom]:focus-visible > svg{box-shadow:0 0 0 3px var(--c,#3446F5)}
.nfig figcaption{display:flex;gap:8px;align-items:flex-start;flex-wrap:wrap}
.nfig .zbadge{display:inline-flex;align-items:center;gap:4px;font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--card-solid);border:1px solid var(--line);color:var(--muted);flex:none;margin-top:1px}
.nfig .zbadge svg{width:13px;height:13px}
.ffig .zbadge{display:none}
html.zoom-open,html.zoom-open body{overflow:hidden}
.zoomov{position:fixed;inset:0;z-index:1000;background:rgba(10,12,24,.72);display:flex;align-items:center;justify-content:center;padding:max(12px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom));opacity:0;transition:opacity .15s}
.zoomov.on{opacity:1}
.zbox{background:var(--card-solid);color:var(--ink,inherit);border-radius:18px;width:min(100%,980px);max-height:100%;display:flex;flex-direction:column;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.35);min-height:0}
.zbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 0 16px}
.zhint{font-size:13px;color:var(--muted)}
.zclose{width:44px;height:44px;border-radius:999px;border:1px solid var(--line);background:var(--soft,transparent);font-size:18px;cursor:pointer;color:inherit;flex:none}
.zimg{flex:1 1 auto;min-height:0;overflow:auto;padding:12px 16px;cursor:zoom-in;-webkit-overflow-scrolling:touch;touch-action:pan-x pan-y pinch-zoom;outline:none}
.zimg > svg{display:block;width:min(100%,var(--zw,100%));height:auto;max-height:calc(100dvh - 170px);margin:0 auto}
.zimg.z2{cursor:zoom-out}
.zimg.z2 > svg{width:200%;max-width:none;max-height:none}
.zcap svg{display:none}
.zcap{margin:0;padding:4px 16px 16px;font-size:14px;line-height:1.5;color:var(--muted)}
@media (prefers-reduced-motion:reduce){.zoomov{transition:none}}

.grades button[data-grade="9"]{font-weight:700;color:var(--pop);letter-spacing:-.02em}
.grades button[data-grade="9"][aria-pressed="true"]{color:#fff;background:var(--pop)}
.tile.e8info{grid-column:1/-1;display:flex;flex-direction:row;flex-wrap:wrap;gap:10px 14px;align-items:stretch;justify-content:flex-start;text-align:left}
.e8info .eyebrow{flex-basis:100%}
.e8info .ex{display:flex;flex-direction:column;gap:2px;padding:10px 14px;border:1px solid var(--line);border-radius:14px;background:var(--card-solid);flex:1 1 220px;margin:0}
.e8info .ex b{font-size:15px}.e8info .ex span{font-size:13px;color:var(--muted)}
.e8sec{margin-top:6px}

.srcbox{border:1px solid var(--line);border-radius:14px;background:var(--card-solid);padding:12px 16px;display:flex;flex-direction:column;gap:8px}
.srcbox summary{cursor:pointer;font-weight:600;list-style:none;display:flex;gap:8px;align-items:center}
.srcbox summary::-webkit-details-marker{display:none}
.srcbox summary::before{content:"▸";color:var(--muted);transition:transform .15s}
.srcbox[open] summary::before{transform:rotate(90deg)}
.srcbox .sm{color:var(--muted);font-size:15px;line-height:1.6}
.srcbox .body{font-size:16.5px;line-height:1.75;max-width:72ch;max-height:60vh;overflow:auto;padding-right:6px}
.srcbox .body p{margin:0 0 .7em}.srcbox .body p.fn{font-size:13.5px;color:var(--muted)}
.pdfl{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c,var(--ink));text-decoration:none;border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:var(--card-solid)}
.pdfl:hover{border-color:currentColor}
.pdfrow{display:flex;flex-wrap:wrap;gap:8px}
.selopts{display:flex;flex-direction:column;gap:4px;font-size:15.5px;line-height:1.5;margin:0 0 4px}
.selrow{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;padding:8px 0;border-top:1px solid var(--line)}
.selrow > span{min-width:110px;font-weight:600}
.selrow .b{display:flex;gap:6px;flex-wrap:wrap}
.selrow .ch{min-width:44px;justify-content:center}
.rub li{line-height:1.55}
.t-exam.pol{--pop:hsl(352 70% 52%)}
.work.essay{min-height:min(60vh,520px)}

.subjfirst{margin-top:0;margin-bottom:22px}
.subjfirst .shead{margin-top:4px}

.e8papers{display:flex;flex-direction:column;gap:16px;margin:0 0 22px}

.gapt{font-size:16.5px;line-height:1.75;max-width:72ch}
.gaps{display:flex;flex-direction:column;gap:10px}
.gaprow{display:flex;flex-direction:column;gap:6px;padding:10px 0;border-top:1px solid var(--line)}
.gaprow .l{font-size:15.5px;line-height:1.55}
.gaprow input{font:inherit;font-size:16px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;background:var(--card-solid);color:var(--fg);max-width:420px}
.gaprow input:focus{outline:none;border-color:var(--c,var(--ink))}
.gaprow input.right{border-color:var(--good);background:color-mix(in srgb,var(--good) 8%,var(--card-solid))}
.gaprow input.wrong{border-color:var(--bad);background:color-mix(in srgb,var(--bad) 8%,var(--card-solid))}
.gaprow .acc{font-size:14px;color:var(--muted)}
.trbox summary{font-weight:600}
.trbox .body p{margin:0 0 .6em}
.t-exam.ang{--pop:hsl(196 75% 42%)}
.e8papers>.t-exam{order:1}.e8papers>.t-exam.pol{order:2}.e8papers>.t-exam.ang{order:3}

.aud{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 14px;margin:0 0 14px;border:1.5px solid var(--line);border-radius:14px;background:var(--card-solid)}
.aud .ab{border:0;border-radius:999px;min-width:44px;height:44px;padding:0 12px;font:inherit;font-size:15px;font-weight:600;background:color-mix(in srgb,var(--fg) 7%,transparent);color:var(--fg);cursor:pointer}
.aud .ab.pl{background:hsl(196 75% 42%);color:#fff;min-width:52px;font-size:18px}
.aud input[type=range]{flex:1 1 140px;min-width:120px;accent-color:hsl(196 75% 42%)}
.aud .at{font-variant-numeric:tabular-nums;font-size:14px;color:var(--muted);min-width:92px;text-align:right}
.aud .ah{flex-basis:100%;font-size:13.5px;color:var(--muted);margin:0}

.shr{display:inline-flex;align-items:center;justify-content:center;vertical-align:-4px;margin-left:6px;width:30px;height:30px;padding:0;border:0;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer}
.shr:hover,.shr:focus-visible{background:var(--soft);color:var(--fg)}
.shr svg{width:17px;height:17px}
.chip.shc{cursor:pointer;display:inline-flex;align-items:center;gap:6px;color:var(--fg);font:inherit;font-size:13px}
.chip.shc svg{width:14px;height:14px}
.toast{position:fixed;left:50%;width:max-content;text-align:center;bottom:calc(24px + env(safe-area-inset-bottom));transform:translate(-50%,20px);opacity:0;z-index:999;max-width:calc(100% - 32px);padding:11px 18px;border-radius:999px;background:var(--fg);color:var(--bg);font-size:14.5px;font-weight:500;box-shadow:0 8px 28px rgb(0 0 0/.22);transition:opacity .2s,transform .2s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}

.paper.hl{outline:2.5px solid var(--c,var(--ink));outline-offset:3px;border-radius:16px;animation:hlpulse 1.6s ease-out 1}
@keyframes hlpulse{0%{outline-color:transparent}30%{outline-color:var(--ink)}}
.paper .t .shr{vertical-align:-6px}
.th .shr{margin-left:auto;flex:none}
.th{align-items:center}
.ehead h1 .shr{width:34px;height:34px;vertical-align:2px}

.eopts.pics{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:10px}
.eopts.pics .ch{flex-direction:column;align-items:stretch;padding:8px;gap:6px}
.eopts.pics .ch img{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:8px;background:#fff}
.eopts.pics .ch .k{align-self:center}
.picsrc{font-size:12.5px;color:var(--muted);margin:8px 0 0}
/* telefon: jeden obrazek w wierszu, większy (3 w rzędzie miały ~77 px) */
@media (max-width:560px){
  .eopts.pics{grid-template-columns:minmax(0,1fr)!important;gap:10px}
  .eopts.pics .ch{flex-direction:row;align-items:center;justify-content:flex-start;gap:14px;padding:8px 14px 8px 8px}
  .eopts.pics .ch img{width:min(46vw,190px);flex:none;border-radius:10px}
  .eopts.pics .ch .k{align-self:center;margin-left:auto;font-size:20px;min-width:34px;min-height:34px}
}
/* telefon: rysunki do zadań (matematyka) – nie zmniejszaj ich do 62% rozmiaru z desktopu */
@media (max-width:720px){
  .fig{padding:8px}
  .fig img{width:auto!important;height:auto!important;max-width:100%;min-width:min(210px,calc(100vw - 90px))}
}

:root{--pop-ink:#C2410C}
/* kafelki E8: wiersze arkuszy jako linki */
.t-exam .copy{background:none;border:0;padding:0;margin:0;font:inherit;color:inherit;text-align:left;cursor:pointer;border-radius:12px}
.t-exam .copy:hover .go{text-decoration:underline}
a.pm{color:inherit;text-decoration:none;transition:border-color .15s,transform .15s}
a.pm:hover{border-color:var(--pop)}
a.pm:active{transform:scale(.98)}
.pm .n small{display:block;font-size:12px;color:var(--muted);margin-top:2px}
.pm .n{color:var(--fg);font-weight:500}
.pm .v.go2{font-size:15px;font-weight:600;color:var(--ink);font-family:inherit}
.t-exam .tag{background:color-mix(in srgb,var(--pop) 70%,#000)}
/* kontrast */
.glyph,.dot{color:hsl(var(--h) var(--sub-s) calc(var(--sub-l) - 8%))}
.nerr .lbl{color:var(--bad-ink)}
.dot{color:hsl(var(--h) var(--sub-s) calc(var(--sub-l) - 8%))!important}
.tally .k{color:var(--good-ink)}.tally .n{color:var(--bad-ink)}
.grades button[data-grade="9"]{color:var(--pop-ink)}
.grades button[data-grade="9"][aria-pressed="true"]{color:#fff;background:#C2410C}
.nmat .lbl{color:var(--pop-ink)}
/* programowy fokus na tytułach – bez ramki */
h1[tabindex="-1"]:focus,#ntitle:focus{outline:none}
/* suwak nagrania – większy cel dotykowy */
.aud input[type=range]{height:32px}
/* nazwa przedmiotu w arkuszu */
.ehead h1 .h1sub,.sum h1 .h1sub{display:block;font-size:.5em;font-weight:600;letter-spacing:0;color:var(--muted);margin-bottom:2px;font-family:inherit}
/* kompaktowy nagłówek w trybie nauki (telefon) */
.hcomp{display:none;align-items:center;gap:6px;white-space:nowrap;flex:none;height:40px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--fg);font:inherit;font-size:14px;font-weight:600;cursor:pointer}
.hcomp svg{width:14px;height:14px;flex:none;display:block;transition:transform .2s}
@media (max-width:720px){
  body.focus-mode:not(.hdr-open) header .lvl, body.focus-mode:not(.hdr-open) header .grades{display:none}
  body.focus-mode header .hcomp{display:inline-flex}
  body.focus-mode header{flex-wrap:nowrap}
  body.focus-mode:not(.hdr-open) header .hright{flex-wrap:nowrap}
  body.focus-mode.hdr-open header{flex-wrap:wrap}
  body.focus-mode.hdr-open .hcomp svg{transform:rotate(180deg)}
}
/* stopka: dane w rozwijanej sekcji */
footer .fset{position:relative}
footer .fset summary{display:inline-block;cursor:pointer;list-style:none;font-size:13.5px;color:var(--muted);padding:6px 12px;border:1px solid var(--line);border-radius:999px}
footer .fset summary::-webkit-details-marker{display:none}
footer .fset[open] summary{color:var(--fg)}
footer .fset .fbody{margin-top:10px;max-width:340px;font-size:13.5px;color:var(--muted);display:flex;flex-direction:column;gap:10px;align-items:flex-start}
footer .fset .fbody p{margin:0;line-height:1.5}
@media (min-width:721px){ footer .fset .fbody{position:absolute;right:0;bottom:calc(100% + 8px);background:var(--card-solid);border:1px solid var(--line);border-radius:14px;padding:14px;box-shadow:0 10px 30px rgb(0 0 0/.12);width:320px;margin:0} }

.onb{max-width:640px;margin:0 auto;padding:8px 0 40px;display:flex;flex-direction:column;gap:22px}
.onb .otop{display:flex;align-items:center;gap:10px;padding:6px 4px}
.onb .otop b{font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.02em}
.onb h1{font-family:var(--display);font-size:clamp(30px,6vw,44px);line-height:1.08;letter-spacing:-.03em;margin:6px 0 0}
.onb .lead{font-size:17px;line-height:1.55;color:var(--muted);margin:0;max-width:56ch}
.onb .ogrp{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:18px;display:flex;flex-direction:column;gap:12px}
.onb .ogrp h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0}
.onb .ogrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(80px,1fr));gap:10px}
.onb .og{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:76px;padding:10px 6px;border-radius:16px;border:1.5px solid var(--line);background:var(--card-solid);color:var(--fg);font:inherit;cursor:pointer;transition:border-color .15s,transform .15s,box-shadow .15s}
.onb .og:hover{border-color:var(--ink);box-shadow:0 6px 18px rgb(0 0 0/.07)}
.onb .og:active{transform:scale(.97)}
.onb .og .k{font-family:var(--display);font-weight:700;font-size:26px;line-height:1}
.onb .og .s{font-size:12.5px;color:var(--muted)}
.onb .og.e8{grid-column:1/-1;flex-direction:row;justify-content:flex-start;gap:14px;padding:14px 16px;text-align:left;min-height:0}
.onb .og.e8 .k{color:#fff;background:#C2410C;border-radius:12px;padding:10px 12px;font-size:20px}
.onb .og.e8 .t{display:flex;flex-direction:column;gap:2px}
.onb .og.e8 .t b{font-weight:600;font-size:16px}
.onb .og[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;border-color:var(--line)}
.onb .ofoot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted)}
.onb .oskip{background:none;border:0;padding:8px 4px;font:inherit;color:var(--ink);font-weight:600;cursor:pointer;text-decoration:underline;text-underline-offset:3px}

.t-welcome{grid-column:span 2;gap:14px;padding:24px}
.t-welcome h2{font-family:var(--display);font-size:22px;letter-spacing:-.02em;margin:0}
.t-welcome ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.t-welcome li{display:grid;grid-template-columns:40px 1fr;gap:12px;align-items:center}
.t-welcome .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--soft);color:var(--ink)}
.t-welcome .ic svg{width:20px;height:20px}
.t-welcome li b{display:block;font-weight:600;font-size:15.5px}
.t-welcome li span.s{display:block;font-size:14px;color:var(--muted);line-height:1.45}
.t-welcome .wnote{font-size:13.5px;color:var(--muted);margin:0;padding-top:12px;border-top:1px solid var(--line)}

.sbar{display:flex;align-items:center;gap:10px;width:100%;margin:0 0 18px;padding:0 16px;height:52px;border-radius:16px;border:1.5px solid var(--line);background:var(--card-solid);color:var(--muted);font:inherit;font-size:16px;text-align:left;cursor:text;box-shadow:0 2px 10px rgb(0 0 0/.03)}
.sbar:hover{border-color:var(--ink)}
.sbar svg,.sfield svg{width:20px;height:20px;flex:none}
.sbar kbd{margin-left:auto;font:inherit;font-size:12px;padding:2px 7px;border-radius:6px;border:1px solid var(--line);color:var(--muted)}
@media (pointer:coarse){.sbar kbd{display:none}}
.hsearch{width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--fg);display:grid;place-items:center;cursor:pointer;flex:none}
.hsearch svg{width:18px;height:18px}
header .hright{margin-left:auto}
@media (max-width:720px){ header .brand{order:0} header .hsearch{order:1;margin-left:auto} header .hright{order:2} body.focus-mode header .hsearch{display:none} }
.sres .dot{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:14px;color:hsl(var(--h) var(--sub-s) calc(var(--sub-l) - 8%));background:hsl(var(--h) 90% var(--sub-bg-l,94%) / .9)}
.srch{display:flex;flex-direction:column;gap:14px}
.srch h1{font-family:var(--display);font-size:clamp(26px,4vw,34px);letter-spacing:-.025em;margin:0}
.sfield{display:flex;align-items:center;gap:10px;padding:0 14px;height:56px;border-radius:16px;border:2px solid var(--ink);background:var(--card-solid);color:var(--muted)}
.sfield input{flex:1;min-width:0;border:0;outline:0;background:none;font:inherit;font-size:17px;color:var(--fg);height:100%}
.sfield input::-webkit-search-cancel-button{display:none}
.sfield .sclr{border:0;background:var(--soft);color:var(--fg);width:32px;height:32px;border-radius:999px;font-size:18px;line-height:1;cursor:pointer;flex:none}
.sinfo{font-size:14px;color:var(--muted);margin:0}
.slist{display:flex;flex-direction:column;gap:10px;margin:0;padding:0;list-style:none}
.sres{display:grid;grid-template-columns:40px 1fr;gap:4px 12px;padding:14px;border-radius:16px;background:var(--card);border:1px solid var(--line)}
.sres .dot{grid-row:span 2;align-self:start}
.sres .sm{font-size:13px;color:var(--muted)}
.sres .st{font-weight:600;font-size:16.5px;line-height:1.3;background:none;border:0;padding:0;text-align:left;color:var(--fg);font-family:inherit;cursor:pointer}
.sres .st:hover{text-decoration:underline}
.sres .sn{grid-column:2;font-size:14px;color:var(--muted);line-height:1.45;margin:2px 0 0}
.sres .sa{grid-column:2;display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.sres .sa .btn{min-height:38px;padding:0 12px;font-size:14px}
.sres mark,.sn mark{background:color-mix(in srgb,#FFD43B 55%,transparent);color:inherit;border-radius:3px;padding:0 1px}
.sres .zr{margin-left:6px}
.sempty{padding:22px;border-radius:18px;background:var(--card);border:1px dashed var(--line);color:var(--muted);font-size:15px;line-height:1.5}
.ssugg{display:flex;flex-wrap:wrap;gap:8px}
.ssugg button{border:1px solid var(--line);background:var(--card-solid);color:var(--fg);border-radius:999px;padding:8px 14px;font:inherit;font-size:14px;cursor:pointer}
.smore{align-self:flex-start}

.notepage,.fcwrap,.quiz,.result,.thead{max-width:780px;width:100%;margin-left:auto;margin-right:auto;align-self:center}
.thead{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:flex;flex-direction:column;gap:6px;margin-bottom:-6px}
.notepage>.thead{margin-bottom:0}
.fcwrap>.thead{margin-bottom:6px}
.thead .back{align-self:flex-start;margin:0 0 8px}
.thead .eyebrow{color:var(--c)}
.thead .thrw{display:flex;align-items:flex-start;gap:8px}
.thead h1{flex:1;min-width:0;font-family:var(--display);font-weight:700;font-size:clamp(28px,4.2vw,40px);line-height:1.1;letter-spacing:-.03em;margin:0}
.thead .thrw .shr{margin-top:6px;width:38px;height:38px;flex:none}
.thead .ttabs{margin-top:12px}
.quiz .qtop .where.qlbl{text-transform:uppercase}
.qquit{display:block;max-width:780px;width:100%;margin:14px auto 0;text-align:left}
@media (max-width:720px){ body.focus-mode:not(.hdr-open) header .brand .tld{display:none} body.focus-mode:not(.hdr-open) header{gap:8px} body.focus-mode:not(.hdr-open) header .hright{gap:6px} }

.quiz .opts{grid-template-columns:1fr!important}

.priv{max-width:780px;width:100%;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.priv .phead{padding:clamp(20px,4vw,32px);border-radius:var(--r);background:var(--card);border:1px solid var(--glass-brd);box-shadow:var(--shadow);border-top:5px solid var(--ink)}
.priv h1{font-family:var(--display);font-size:clamp(28px,4.2vw,40px);letter-spacing:-.03em;line-height:1.1;margin:6px 0 10px}
.priv .lead{font-size:17px;line-height:1.55;color:var(--muted);margin:0}
.priv section{padding:clamp(18px,3.5vw,28px);border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.priv h2{font-size:19px;margin:0 0 10px;font-weight:700}
.priv p,.priv li{font-size:15.5px;line-height:1.6;margin:0 0 8px}
.priv ul{margin:0;padding-left:20px}
.priv .ph{background:color-mix(in srgb,#FFD43B 55%,transparent);border-radius:4px;padding:0 4px;font-weight:600}
.priv .upd{font-size:13.5px;color:var(--muted)}
.cbar .plink,footer .plink{color:var(--ink);font-weight:600;text-decoration:underline;text-underline-offset:3px;background:none;border:0;padding:0;font:inherit;cursor:pointer}
footer .flinks{display:flex;align-items:center;gap:14px;flex-wrap:wrap}

.ttsrow{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:4px}
.ttsrow .btn{min-height:44px}
.ttsrow .hint{font-size:13px;color:var(--muted)}
.ttsbar{position:fixed;left:50%;bottom:calc(12px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:800;width:min(780px,calc(100% - 20px));background:var(--card-solid);color:var(--fg);border:1px solid var(--line);border-radius:20px;box-shadow:0 14px 40px rgb(0 0 0/.18);padding:10px 12px;display:flex;flex-direction:column;gap:8px}
.ttsbar .tl{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13.5px;color:var(--muted);min-width:0}
.ttsbar .tl b{color:var(--fg);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.ttsbar .tc{display:flex;align-items:center;gap:8px}
.ttsbar .tc button{height:44px;min-width:44px;padding:0 12px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--fg);font:inherit;font-size:15px;font-weight:600;cursor:pointer}
.ttsbar .tc .tp{background:var(--ink);color:#fff;border-color:transparent;min-width:56px;font-size:18px}
.ttsbar .tc .tx{margin-left:auto}
.ttsbar .tbar{height:4px;border-radius:4px;background:var(--line);overflow:hidden}
.ttsbar .tbar i{display:block;height:100%;background:var(--ink);width:0;transition:width .3s}
.ttsbar .tw{font-size:12.5px;color:var(--bad-ink,#B42318)}
body.tts-open #app{padding-bottom:120px}
.ttson{outline:3px solid color-mix(in srgb,var(--c,var(--ink)) 55%,transparent);outline-offset:4px;border-radius:8px;background:color-mix(in srgb,var(--c,var(--ink)) 9%,transparent)}
tr.ttson td{background:color-mix(in srgb,var(--c,var(--ink)) 10%,transparent)}

@media (max-width:720px){
  header{flex-wrap:wrap!important;gap:6px!important;row-gap:10px!important}
  header .brand{gap:8px}
  header .brand b{font-size:17px}
  header .brand{order:0;min-width:0}
  header .brand .tld{display:none!important}
  header .hright{display:contents!important}
  header .hsearch{order:1;margin-left:auto!important;display:grid!important;width:38px;height:38px}
  header .hcomp{order:2;display:inline-flex!important;height:38px;padding:0 8px 0 10px;gap:4px}
  header .tt{order:3;width:38px;height:38px;flex:none}
  header .lvl{order:4}
  header .grades{order:5}
  body:not(.hdr-open) header .lvl, body:not(.hdr-open) header .grades{display:none!important}
  body.hdr-open header .lvl{margin-right:auto}
}
@media (max-width:359px){
  header .brand b{display:none}
}
.sbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}

.nerr .ewr{display:flex;gap:8px;align-items:baseline;color:var(--bad-ink,var(--bad))}
.nerr .ewr s{text-decoration-thickness:2px;text-decoration-color:currentColor}
.nerr .efix{display:flex;gap:8px;align-items:baseline}
.nerr .x,.nerr .v{font-weight:700;flex:none;width:1em;text-align:center}
.nerr .v{color:var(--good-ink,#15803D)}

s.wr{color:var(--bad-ink,var(--bad));text-decoration-thickness:2px}
.nlist i,.nkey i,.nerr i,.nmat i,.ntab i{font-style:italic}

/* zakładki Notatka · Fiszki · Quiz – kompaktowy przełącznik */
.ttab .sts{display:none}
@media (max-width:520px){
  .ttabs{padding:3px;gap:3px;border-radius:15px}
  .ttab{display:flex!important;flex-direction:row;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:6px 4px;border-radius:12px;text-align:center}
  .ttab svg{width:16px;height:16px;flex:none}
  .ttab .l{font-size:14.5px;font-weight:650}
  .ttab .st{display:none}
  .ttab .sts{display:inline-block;font-size:11px;font-weight:700;line-height:1;padding:3px 6px;border-radius:99px;background:var(--card-solid);color:var(--muted);border:1px solid var(--line);white-space:nowrap}
  .ttab.done .sts{color:var(--good);border-color:color-mix(in srgb,var(--good) 35%,transparent)}
  .ttab[aria-current="page"]{background:var(--cb);box-shadow:none;color:var(--c)}
  .ttab[aria-current="page"] .sts{border-color:transparent;color:var(--c)}
}
@media (max-width:520px){ .ttab{min-width:0;overflow:hidden} .ttab .l{white-space:nowrap} }
@media (max-width:440px){ .ttab svg{display:none} }
@media (max-width:400px){
  .ttab{flex-direction:column!important;gap:3px;min-height:48px;padding:5px 2px}
  .ttab .l{font-size:14px;line-height:1.1}
  .ttab .sts{font-size:10.5px;padding:2px 6px}
}
/* quiz: strzałka „dalej” na krawędzi karty po odpowiedzi */
.quiz{position:relative}
.qgo{position:absolute;right:-18px;top:50%;width:44px;height:44px;margin-top:-22px;border-radius:50%;border:1px solid var(--line);background:var(--c);color:#fff;display:grid;place-items:center;box-shadow:0 8px 20px -8px var(--c);cursor:pointer;z-index:2;animation:qgoIn .3s ease-out,qgoNudge 1.6s ease-in-out .5s 2}
.qgo svg{width:22px;height:22px}
:root[data-theme="dark"] .qgo{color:#0B0D13}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .qgo{color:#0B0D13}}
@keyframes qgoIn{from{opacity:0;transform:translateX(10px)}to{opacity:1;transform:none}}
@keyframes qgoNudge{0%,100%{transform:none}40%{transform:translateX(-7px)}70%{transform:translateX(2px)}}
@media (prefers-reduced-motion:reduce){.qgo{animation:none}}
@media (min-width:721px){.qgo{right:-22px}}
/* fiszki: większa karta, podpowiedzi nawigacji w karcie */
.face.backf{background:var(--card-solid)}
.face{position:relative}
.face .tap,.face .swh{position:absolute;left:0;right:0;bottom:14px;display:flex;justify-content:center;gap:6px;font-size:13px;color:var(--muted)}
.face .swh{justify-content:space-between;padding:0 18px;font-weight:650;font-size:13.5px}
.face .swh .n{color:var(--bad)} .face .swh .k{color:var(--good)}
.face .swh .m{color:var(--muted);font-weight:500;display:none}
@media (hover:none),(pointer:coarse){ .face .swh .m{display:inline} }
.face{padding-bottom:46px}
.fclegend{display:none}
@media (max-width:600px){
  .face{min-height:clamp(300px,calc(100svh - 280px),560px)}
  .face .txt{font-size:clamp(20px,5.6vw,24px)}
  .face.backf .txt{font-size:clamp(18px,5vw,21px)}
}

.grade .pc{display:block;font-size:13px;font-weight:700;opacity:.85;margin-top:2px}

.qcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:2px 6px;font-size:13px;font-weight:600;letter-spacing:.02em;color:var(--muted);min-width:0}
.qcrumb button{border:0;background:none;padding:6px 2px;margin:-6px 0;font:inherit;color:var(--c);cursor:pointer;text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--c) 35%,transparent);text-underline-offset:3px;border-radius:6px}
.qcrumb button:hover{text-decoration-color:currentColor}
.qcrumb .sep{opacity:.6}
.qcrumb .cur{color:var(--fg)}

/* ---------- strona główna v2 ---------- */
.hhero{display:flex;flex-direction:column;align-items:center;text-align:center;gap:14px;padding:clamp(18px,5vw,48px) 0 6px}
.hhero h1{font-family:var(--display);font-size:clamp(34px,7vw,56px);line-height:1.05;letter-spacing:-.035em;margin:0}
.hhero .hsub{margin:0;color:var(--muted);font-size:16.5px;line-height:1.5;max-width:52ch}
.hhero .hlvl{width:auto}
.hhero .hlvl button{flex:none;padding:9px 20px}
.hhero .hfield{width:100%;max-width:720px;height:62px;border-radius:20px;box-shadow:0 10px 30px -14px rgba(52,70,245,.45)}
.hhero .hfield input{font-size:18px}
.hhero .hout{width:100%;max-width:720px;text-align:left;display:flex;flex-direction:column;gap:10px}
.hhero .hout:empty{display:none}
.hhero .ssugg{justify-content:center;align-items:center}
.hhero .ssugg .sinfo{margin-right:2px}
.hhero .smore{align-self:center}
.sempty .sea{margin-top:12px}
.he8{display:flex;align-items:center;gap:14px;width:100%;max-width:720px;margin:6px auto 0;padding:12px 16px;border-radius:18px;border:1.5px solid color-mix(in srgb,#C2410C 35%,transparent);background:var(--card);color:var(--fg);font:inherit;text-align:left;cursor:pointer}
.he8 .k{color:#fff;background:#C2410C;border-radius:12px;padding:8px 10px;font-family:var(--display);font-weight:700;font-size:18px;flex:none}
.he8 b{display:block;font-weight:600}.he8 .s{display:block;font-size:13.5px;color:var(--muted)}
.he8 .go{margin-left:auto;color:var(--muted)}
.he8:hover{border-color:#C2410C}
.hlast{width:100%;max-width:720px;margin:10px auto 0;display:flex;flex-direction:column;gap:8px}
.hlast h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0;text-align:center}
.hlast .trow{width:100%;background:var(--card);border:1px solid var(--line);cursor:pointer;font:inherit;color:var(--fg)}
@media (max-width:560px){ .hlast h2{text-align:left} }
.hgr{display:flex;flex-direction:column;gap:12px;margin:26px 0 8px}
.hgr h2{font-size:13px;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0;text-align:center}
.hgr .ogrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(92px,1fr));gap:10px;max-width:720px;width:100%;margin:0 auto}
.hgr .og{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:76px;padding:10px 6px;border-radius:16px;border:1.5px solid var(--line);background:var(--card-solid);color:var(--fg);font:inherit;cursor:pointer;transition:border-color .15s,box-shadow .15s,transform .1s}
.hgr .og:hover{border-color:var(--ink);box-shadow:0 6px 18px rgb(0 0 0/.07)}
.hgr .og:active{transform:scale(.97)}
.hgr .og .k{font-family:var(--display);font-weight:700;font-size:26px;line-height:1}
.hgr .og .s{font-size:12.5px;color:var(--muted)}
.hgr .og.e8{grid-column:1/-1;flex-direction:row;justify-content:flex-start;gap:14px;padding:12px 16px;text-align:left;min-height:0}
.hgr .og.e8 .k{color:#fff;background:#C2410C;border-radius:12px;padding:9px 11px;font-size:19px}
.hgr .og.e8 .t{display:flex;flex-direction:column;gap:2px}
.hgr .og.e8 .t b{font-weight:600;font-size:16px}
.hgr .og[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none;border-color:var(--line)}
#hsubj{scroll-margin-top:90px;margin-top:22px}
.subj .row:has(.q:only-child){justify-content:flex-start}
.t-today.wide{grid-column:1/-1}
@media (pointer:coarse){ .hhero .hfield input{font-size:max(16px,1em)} }
@media (max-width:560px){
  .hhero{align-items:stretch;text-align:left;gap:12px;padding-top:14px}
  .hhero .hlvl{align-self:flex-start}
  .hhero .hfield{height:56px}
  .hhero .ssugg{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin:0 -16px;padding:2px 16px 6px;scrollbar-width:none}
  .hhero .ssugg::-webkit-scrollbar{display:none}
  .hhero .ssugg>*{flex:none}
  .hgr h2{text-align:left}
  .hgr .ogrid{grid-template-columns:repeat(3,1fr)}
}

/* ścieżka nawigacji nad tematem (notatka, fiszki, quiz) */
.tcrumbs{margin:0 0 8px;min-width:0}
.tcrumbs ol{display:flex;align-items:center;list-style:none;margin:0;padding:0;font-size:14px;color:var(--muted);min-width:0}
.tcrumbs li{white-space:nowrap;flex:none}
.tcrumbs li:last-child{flex:0 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis}
.tcrumbs li+li::before{content:"›";margin:0 7px;opacity:.6}
.tcrumbs button{background:none;border:0;padding:4px 0;min-height:28px;font:inherit;font-weight:500;color:var(--muted);cursor:pointer}
@media (hover:hover){ .tcrumbs button:hover{color:var(--fg);text-decoration:underline;text-underline-offset:3px} }
/* wyjście z notatki pod „Poprzednia / Następna notatka” */
.nout{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:4px 10px;font-size:14px;color:var(--muted);margin:2px 0 0}
.nout button{background:none;border:0;padding:6px 2px;min-height:32px;font:inherit;font-weight:500;color:var(--ink);cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-color:color-mix(in srgb,currentColor 35%,transparent)}
@media (hover:hover){ .nout button:hover{text-decoration-color:currentColor} }
.nout.tail{margin-top:18px}
/* nagłówek listy ostatnio oglądanych (strona główna, wyszukiwarka) */
.hlast .hlh{display:flex;align-items:baseline;justify-content:center;gap:12px}
.srch .hlast{max-width:none;margin-top:14px}
.srch .hlast .hlh{justify-content:space-between}
.srch .hlast h2{text-align:left}
.hlast .lnk{font-size:13.5px;padding:6px 0;min-height:32px}
/* logo: delikatny stan aktywny (najechanie, dotknięcie) */
header .brand{border-radius:14px;padding:4px 10px 4px 4px;margin:-4px -10px -4px -4px;cursor:pointer;color:inherit;text-decoration:none;transition:background .15s}
@media (hover:hover){ header .brand:hover{background:var(--soft)} }
header .brand:active{background:var(--line)}
@media print{ .tcrumbs,.nout{display:none!important} }

/* ---------- Ikony przedmiotów (wariant B kafelka) ---------- */
:root{--flag-ring:rgba(20,24,48,.10);--flag-drop:rgba(20,24,48,.35);--wm-a:.13;--wm-f:.14}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){--flag-ring:rgba(255,255,255,.16);--flag-drop:rgba(0,0,0,.6);--wm-a:.18;--wm-f:.13}}
:root[data-theme="dark"]{--flag-ring:rgba(255,255,255,.16);--flag-drop:rgba(0,0,0,.6);--wm-a:.18;--wm-f:.13}
.si{display:block;width:58%;height:58%;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.si .sfill{fill:currentColor;stroke:none}
.si.sf{width:100%;height:100%;stroke:none}
.dot .si{stroke-width:2}
.dot .si:not(.sf){width:64%;height:64%}
.glyph.isflag,.dot.isflag{background:none!important;overflow:hidden;box-shadow:0 0 0 1px var(--flag-ring),0 4px 10px -4px var(--flag-drop)}
.subj .glyph{width:44px;height:44px;border-radius:12px}
.subhead .glyph.hasi{border-radius:13px}
.subhead .glyph .si:not(.sf){width:56%;height:56%}
/* znak wodny */
.subj{overflow:hidden}
.subj .top,.subj .foot{position:relative;z-index:1}
.subj .arrow{z-index:2}
.subj .wm{position:absolute;z-index:0;right:-14px;bottom:-28px;width:100px;height:100px;display:block;pointer-events:none;
  color:hsl(var(--h) var(--sub-s) var(--sub-l));opacity:var(--wm-a);transform:rotate(-12deg);transition:transform .35s ease}
.subj .wm .si{width:100%;height:100%;stroke-width:1.2}
.subj .wm.isflag{border-radius:20px;overflow:hidden;opacity:var(--wm-f);
  -webkit-mask-image:linear-gradient(150deg,transparent 12%,#000 72%);mask-image:linear-gradient(150deg,transparent 12%,#000 72%)}
@media (hover:hover){ .subj:hover .wm{transform:rotate(-6deg) scale(1.05)} }
@media (max-width:520px){
  .subj .glyph{width:40px;height:40px;border-radius:11px}
  .subj .wm{width:80px;height:80px;right:-14px;bottom:-22px}
  .subj .wm .si{stroke-width:1.4}
  .subj .wm.isflag{border-radius:16px}
}
@media print{ .subj .wm{display:none} }

/* ---------- UX: wynik quizu, statusy tematów, telefon ---------- */
/* wynik quizu: pierścień z procentem zamiast szkolnej oceny */
.rscore{--rc:var(--ink);position:relative;width:118px;height:118px;border-radius:50%;flex:none;display:grid;place-items:center;text-align:center;
  background:conic-gradient(var(--rc) calc(var(--p)*1%),var(--soft) 0)}
.rscore.hi{--rc:var(--good)}
.rscore::before{content:"";position:absolute;inset:10px;border-radius:50%;background:var(--card-solid)}
.rscore>*{position:relative}
.rscore b{display:block;font-family:var(--display);font-weight:700;font-size:28px;letter-spacing:-.03em;line-height:1;font-variant-numeric:tabular-nums}
.rscore span{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-top:4px;max-width:80px;line-height:1.2}
/* status tematu */
.tst{display:inline-flex;align-items:center;font-size:11.5px;font-weight:600;line-height:1;padding:4px 8px;border-radius:999px;white-space:nowrap;
  color:var(--muted);background:var(--soft);border:1px solid var(--line)}
.tst.prog{color:hsl(var(--h) var(--sub-s) calc(var(--sub-l) - 8%));background:hsl(var(--h) 60% var(--sub-bg-l));border-color:transparent}
.tst.done{color:var(--good-ink,var(--good));background:var(--good-bg);border-color:transparent}
.topic .meta{align-items:center}
/* quiz na telefonie: mniejsza strzałka „dalej” przy krawędzi karty – nie zasłania odpowiedzi, podpowiada przesunięcie */
@media (max-width:720px){ .qgo{width:34px;height:34px;margin-top:-17px;right:-18px} .qgo svg{width:18px;height:18px} }
/* działy przedmiotu i spis treści notatki: jeden przewijany wiersz na telefonie */
@media (max-width:520px){
  .catnav{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;align-self:stretch;border-radius:999px;
    -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent)}
  .catnav::-webkit-scrollbar,.ntoc::-webkit-scrollbar{display:none}
  .catnav button{flex:none;white-space:nowrap}
  .ntoc{flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;margin-inline:-16px;padding:2px 16px;
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 28px),transparent);mask-image:linear-gradient(90deg,transparent,#000 16px,#000 calc(100% - 28px),transparent)}
  .ntoc span,.ntoc button{flex:none;white-space:nowrap}
}
/* większe pola dotyku bez zmiany wyglądu */
@media (pointer:coarse){
  .back{min-height:44px;display:inline-flex;align-items:center}
  .shr,.plink{position:relative}
  .shr::after{content:"";position:absolute;inset:-7px}
  .plink::after{content:"";position:absolute;inset:-12px -4px}
}

/* ---------- UX 2: karta następnego kroku ---------- */
.ncard{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:flex;flex-direction:column;gap:14px;padding:clamp(18px,3vw,24px);border-radius:var(--r);
  background:linear-gradient(160deg,hsl(var(--h) 90% var(--sub-bg-l) / var(--tint-a)) 0%,transparent 60%),var(--card);
  -webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);border:1px solid var(--glass-brd);box-shadow:var(--shadow);text-align:left}
.nc-top{display:flex;align-items:center;gap:10px}
.ncard .dot{width:34px;height:34px;border-radius:11px;flex:none;display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:13px;background:hsl(var(--h) 90% var(--sub-bg-l) / .9)}
.nc-top .eyebrow{font-weight:600}
.nc-t{display:flex;flex-direction:column;gap:4px}
.nc-t h2{margin:0;font-family:var(--display);font-weight:700;font-size:clamp(19px,2.4vw,23px);letter-spacing:-.02em;line-height:1.2}
.nc-t span{font-size:14px;color:var(--muted)}
.nc-steps{list-style:none;margin:0;padding:0;display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:8px}
.nc-steps li{padding:9px 11px;border-radius:14px;background:var(--soft);display:flex;flex-direction:column;gap:2px;min-width:0}
.nc-steps b{font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap}
.nc-steps span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.nc-steps li.done{background:var(--good-bg)}
.nc-steps li.done b{color:var(--good-ink,var(--good))}
.nc-steps li.now{background:hsl(var(--h) 60% var(--sub-bg-l));box-shadow:inset 0 0 0 1.5px var(--c)}
.nc-steps li.now b{color:hsl(var(--h) var(--sub-s) calc(var(--sub-l) - 8%))}
.nc-go{display:flex;align-items:center;justify-content:center;gap:8px;min-height:50px;font-size:16px;text-align:center;white-space:normal}
/* ---------- strona przedmiotu: układ z kolumną „Kontynuuj”, pasek postępu, ścieżka tematów ---------- */
.sgrid{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"side" "main";gap:18px}
.sgrid>.smain{grid-area:main;display:flex;flex-direction:column;gap:inherit;min-width:0}
.sgrid>.sside{grid-area:side;min-width:0}
@media (min-width:1000px){
  .sgrid{grid-template-columns:minmax(0,1fr) 320px;grid-template-areas:"main side";gap:28px;align-items:start}
  .sgrid>.sside{position:sticky;top:96px}
}
.tsegs{display:flex;gap:4px;margin-top:-4px}
.tsegs i{flex:1;min-width:2px;height:6px;border-radius:999px;background:color-mix(in srgb,var(--muted) 22%,transparent)}
.tsegs i.prog{background:hsl(var(--h) var(--sub-s) var(--sub-l) / .55)}
.tsegs i.done{background:var(--good)}
.subhead .btn.ghost{flex:none}
.cmix{background:none;border:0;padding:8px 2px;min-height:40px;font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer;white-space:nowrap;align-self:center}
@media (hover:hover){ .cmix:hover{text-decoration:underline;text-underline-offset:3px} }
.cathead{align-items:center}
.topic.t2{display:block;padding:0}
.trow2{--c:hsl(var(--h) var(--sub-s) var(--sub-l));display:flex;align-items:center;gap:14px;width:100%;padding:13px 18px;border:0;background:transparent;text-align:left;font:inherit;color:var(--fg);cursor:pointer;transition:background .15s}
@media (hover:hover){ .trow2:hover{background:hsl(var(--h) 60% var(--sub-bg-l) / .55)} .trow2:hover .tgo{color:var(--c);transform:translateX(2px)} }
.trow2:focus-visible{outline:2px solid var(--ink);outline-offset:-3px;border-radius:12px}
.tring{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:conic-gradient(var(--c) calc(var(--p)*1%),color-mix(in srgb,var(--muted) 24%,transparent) 0)}
.tring span{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--card-solid);font-size:13px;font-weight:700;color:var(--muted);font-variant-numeric:tabular-nums}
.t2.prog .tring span::after{content:"";width:9px;height:9px;border-radius:50%;background:var(--c)}
.t2.done .tring{background:var(--good)}
.t2.done .tring span{background:var(--good);color:var(--card-solid)}
.tinfo{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.tinfo .t{font-weight:600;font-size:16px;line-height:1.3}
.tinfo .m{font-size:13px;color:var(--muted);line-height:1.35}
.tgo{flex:none;width:20px;color:var(--muted);transition:transform .15s,color .15s}
.tgo svg{display:block;width:18px;height:18px}
@media (max-width:520px){ .trow2{padding:12px 14px;gap:12px} .tinfo .t{font-size:15px} .tinfo .m{font-size:12.5px}
  .cathead{flex-direction:column;align-items:flex-start;gap:0} .cmix{min-height:36px;padding:4px 0;align-self:flex-start} }
.sside .nc-go{font-size:15px;padding-inline:14px}
.sside .nc-steps{gap:6px}
.sside .nc-steps li{padding:8px}
/* ---------- strona główna dla powracających: mniejszy nagłówek, „Kontynuuj” ---------- */
.hhero .hh-main{display:flex;flex-direction:column;align-items:inherit;gap:inherit;width:100%}
.hhero.compact{display:grid;grid-template-columns:minmax(0,1fr);grid-template-areas:"main" "side" "rec";gap:16px;align-items:start;text-align:left;padding-top:clamp(10px,3vw,28px)}
.hhero.compact .hh-main{grid-area:main;align-items:stretch;gap:12px}
.hhero.compact .hh-side{grid-area:side;min-width:0}
.hhero.compact .hh-rec{grid-area:rec;min-width:0}
.hhero.compact h1{font-size:clamp(24px,3.4vw,34px)}
.hhero.compact .hsub,.hhero.compact .hlvl{display:none}
.hhero.compact .hlast{max-width:none;margin:0}
.hhero.compact .hlast h2,.hhero.compact .hlast .hlh{text-align:left;justify-content:flex-start}
@media (min-width:900px){
  .hhero.compact{grid-template-columns:minmax(0,1fr) 400px;grid-template-areas:"main side" "rec side";column-gap:32px}
}

/* wiersz tematu: zrobione kroki na zielono */
.tinfo .m .ok{color:var(--good-ink,var(--good));font-weight:600}
/* pierwsze wejście na telefonie: przełącznik Podstawówka / Liceum na całą szerokość */
@media (max-width:560px){
  .hhero .hlvl{align-self:stretch;width:100%}
  .hhero .hlvl button{flex:1 1 0}
}

/* tryb ciemny: zaznaczona opcja przełącznika była ciemniejsza od tła – teraz jaśniejsza, z obwódką */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) :is(.seg,.seg2,.catnav) button[aria-pressed="true"]:not([data-grade="9"]){
    background:rgba(255,255,255,.16);color:#FFFFFF;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2),0 2px 6px rgba(0,0,0,.45)}
}
:root[data-theme="dark"] :is(.seg,.seg2,.catnav) button[aria-pressed="true"]:not([data-grade="9"]){
  background:rgba(255,255,255,.16);color:#FFFFFF;box-shadow:inset 0 0 0 1px rgba(255,255,255,.2),0 2px 6px rgba(0,0,0,.45)}

/* powtórki w czasie: kafelek „Do powtórki dziś” */
.t-due{grid-column:1/-1;gap:10px}
.t-due .dhead{display:flex;align-items:baseline;justify-content:space-between;gap:12px;flex-wrap:wrap}
.t-due .dsum{font-size:13px;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.t-due .dsub,.t-due .dnone{margin:0;font-size:14px;color:var(--muted);line-height:1.45}
.t-due .trow .p{color:var(--c)}
.result .rephint{margin:6px 0 0;font-size:13.5px;color:var(--muted);line-height:1.45}

/* rodzaje pytań: prawda/fałsz, „Nie wiem” */
.qa{display:flex;flex-direction:column;gap:12px}
.claim{display:flex;gap:12px;align-items:baseline;flex-wrap:wrap;padding:14px 16px;border-radius:12px;border:1.5px dashed var(--line);background:var(--bg)}
.claim .cl{font-size:11.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600;flex:none}
.claim .cv{font-weight:600;font-size:1.08em}
.opts.tfopts{grid-template-columns:1fr 1fr!important}
.idk{align-self:flex-start;background:none;border:0;padding:6px 2px;font:inherit;font-size:13.5px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer;border-radius:6px;min-height:36px}
.idk:hover{color:var(--fg)}

/* „Sprawdź, czy rozumiesz” w notatce */
.ncheck{display:flex;flex-direction:column;gap:10px;padding:16px 18px;border-radius:14px;background:var(--card);border:1.5px dashed var(--c,var(--line))}
.ncheck .lbl{color:var(--c,var(--muted))}
.ncheck .ncq{margin:0;font-weight:600;font-size:16.5px;line-height:1.5}
.ncopts{display:grid;gap:8px}
.ncheck .opt{font:inherit;font-size:15.5px;color:var(--fg);cursor:pointer;padding:10px 14px;min-height:44px}
.ncheck .opt .k{width:26px;height:26px;font-size:13px}
.ncfb p{margin:0;line-height:1.55}
.ncheck.ok .nch{color:var(--good)} .ncheck.bad .nch{color:var(--bad)}
.ncmore{margin-top:10px!important;display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:15px;color:var(--muted)}
@media print{.ncheck{display:none!important}}

/* Kompaktowy wydruk notatki (body:is(.print-compact,:has([data-print])), tylko podczas drukowania) */
.pmeta{display:none}
.ncols,.pcol{display:contents}
.pbtn{display:inline-flex;align-items:center;gap:6px}
@media print{
  html:is(:has(body.print-compact),:has([data-print])){background:#fff!important;color-scheme:light!important}
  @page{size:A4;margin:9mm 10mm}
  body:is(.print-compact,:has([data-print])){background:#fff!important;color:#000!important;-webkit-print-color-adjust:exact;print-color-adjust:exact;font-size:9pt}
  body:is(.print-compact,:has([data-print]))::before,body:is(.print-compact,:has([data-print]))::after{display:none!important}
  body:is(.print-compact,:has([data-print])) :is(header,footer,.sx-hwrap,.sx-side,.sx-mbar,.sx-foot,.sx-crumbs,.tcrumbs,.shr,.ttabs,.sx-tabs,.sx-badge,.chips,.ttsrow,.ntoc,.ncheck,.ncta,.nnav,.nhint,.nout,.sx-sci,.sx-qz,.sx-check,.sx-pn,.sx-more,.rprog,.back,.toast,.ttsbar,.zbadge,.nlive){display:none!important}
  body:is(.print-compact,:has([data-print])) :is(#app,.sx-page,main,.notepage,.sx-art,.thead,.nhead){display:block!important;max-width:none!important;width:auto!important;margin:0!important;padding:0!important;border:0!important;background:none!important;box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;animation:none!important}
  body:is(.print-compact,:has([data-print])) .ncols{display:block!important;column-count:2;column-gap:6mm;column-rule:.5pt solid #bbb;column-fill:balance}
  /* Safari: dwie połówki (.pcol) obok siebie zamiast kolumn CSS */
  html.wkp :is(.ncols,.sx-sci):has(>.pcol){column-count:auto!important;display:flow-root!important}
  html.wkp .pcol{display:block!important;float:left;width:calc(50% - 3mm);box-sizing:border-box}
  html.wkp .pcol2{margin-left:6mm;padding-left:3mm;border-left:.5pt solid #bbb}
  body:is(.print-compact,:has([data-print])) .pmeta{display:flex!important;justify-content:space-between;gap:4mm;font-size:7.5pt;color:#333;border-bottom:.6pt solid #000;padding:0 0 1mm;margin:0 0 1.5mm}
  body:is(.print-compact,:has([data-print])) :is(.sx-h1,.thead h1){font-size:15pt!important;line-height:1.15!important;margin:0 0 1mm!important;color:#000!important}
  body:is(.print-compact,:has([data-print])) :is(.nbadge){font-size:7pt!important;border:.5pt solid #000;background:none!important;color:#000!important}
  body:is(.print-compact,:has([data-print])) :is(.sx-lead,.nhead .lead){font-size:8.5pt!important;line-height:1.3!important;font-style:italic;color:#222!important;margin:0 0 2mm!important;max-width:none!important}
  body:is(.print-compact,:has([data-print])) .nsec{display:block!important;border:0!important;background:none!important;box-shadow:none!important;padding:0!important;margin:0 0 2.2mm!important;border-radius:0!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important;break-inside:auto}
  body:is(.print-compact,:has([data-print])) .nsec>*+*{margin-top:1.1mm}
  body:is(.print-compact,:has([data-print])) .nsec h2{font-size:10pt!important;line-height:1.2!important;margin:0 0 1mm!important;gap:1.5mm!important;break-after:avoid;color:#000!important}
  body:is(.print-compact,:has([data-print])) .nsec h2 .no{font-size:7pt!important;padding:0 1.2mm!important;border-radius:1mm!important;background:none!important;border:.6pt solid #000;color:#000!important}
  body:is(.print-compact,:has([data-print])) :is(.nlist,.nlist li,.nkey p,.nerr p,.nmat p,.nerr li){font-size:8.6pt!important;line-height:1.3!important;color:#000!important}
  body:is(.print-compact,:has([data-print])) .nlist{display:block!important;max-width:none!important;margin:0!important}
  body:is(.print-compact,:has([data-print])) .nlist li{padding-left:3mm!important;margin:0 0 .7mm!important}
  body:is(.print-compact,:has([data-print])) .nlist li::before{width:1.2mm!important;height:1.2mm!important;left:.5mm!important;top:.52em!important;background:#000!important}
  body:is(.print-compact,:has([data-print])) :is(.nkey,.nerr,.nmat){display:block!important;padding:.8mm 0 .8mm 2mm!important;margin:1mm 0!important;border-radius:0!important;background:none!important;max-width:none!important;break-inside:avoid;box-shadow:none!important}
  body:is(.print-compact,:has([data-print])) .nkey{border:0!important;border-left:1.4pt solid #000!important}
  body:is(.print-compact,:has([data-print])) .nerr{border:0!important;border-left:1.4pt dashed #000!important}
  body:is(.print-compact,:has([data-print])) .nmat{border:.7pt solid #000!important;padding:1mm 2mm!important;margin-top:2mm!important}
  body:is(.print-compact,:has([data-print])) .lbl{display:block;font-size:6.5pt!important;letter-spacing:.06em!important;color:#000!important;margin-bottom:.3mm}
  body:is(.print-compact,:has([data-print])) :is(.nlist b,.nkey b,.nerr b,.nmat b){color:#000!important}
  body:is(.print-compact,:has([data-print])) .tw{overflow:visible!important;margin:1mm 0!important;break-inside:auto}
  body:is(.print-compact,:has([data-print])) .ntab tr{break-inside:avoid}
  body:is(.print-compact,:has([data-print])) .ntab thead{display:table-header-group}
  body:is(.print-compact,:has([data-print])) .ntab{font-size:7.8pt!important;min-width:0!important;width:100%;border-radius:0!important;border:.5pt solid #777!important}
  body:is(.print-compact,:has([data-print])) .ntab.stk thead{display:table-header-group!important}
  body:is(.print-compact,:has([data-print])) .ntab.stk,body:is(.print-compact,:has([data-print])) .ntab.stk tbody{display:table-row-group}
  body:is(.print-compact,:has([data-print])) .ntab.stk{display:table!important}
  body:is(.print-compact,:has([data-print])) .ntab.stk tr{display:table-row!important;padding:0!important}
  body:is(.print-compact,:has([data-print])) .ntab.stk td{display:table-cell!important}
  body:is(.print-compact,:has([data-print])) .ntab.stk td::before{display:none!important}
  body:is(.print-compact,:has([data-print])) :is(.ntab th,.ntab td){padding:.5mm 1.1mm!important;line-height:1.22!important;border-top:.4pt solid #999!important;color:#000!important;background:none!important}
  body:is(.print-compact,:has([data-print])) .ntab th{font-size:7.3pt!important}
  body:is(.print-compact,:has([data-print])) .nfig{display:block!important;margin:1mm 0!important;break-inside:avoid}
  body:is(.print-compact,:has([data-print])) .nfig>svg{display:block;max-height:40mm!important;max-width:100%!important;width:auto!important;padding:.8mm!important;border:.4pt solid #bbb!important;border-radius:0!important;background:#fff!important;box-shadow:none!important}
  body:is(.print-compact,:has([data-print])) .nfig figcaption{font-size:7.2pt!important;line-height:1.25!important;color:#333!important}
  body:is(.print-compact,:has([data-print])) a{color:#000!important;text-decoration:none!important}
  /* na końcu i z wyższą wagą – inaczej reguła .nsec{display:block} pokazałaby ściągę i quiz ze stron statycznych */
  html body:is(.print-compact,:has([data-print])) :is(.sx-sci,.sx-qz,.ncheck,.sx-pn,.sx-more,.sx-check){display:none!important}
}

/* ---------- Maskotka ---------- */
.logo{box-shadow:0 6px 16px -6px rgba(201,140,0,.6)}
.logo img{display:block;width:34px;height:34px;border-radius:11px}
.mcat{display:block;height:auto;max-width:100%;-webkit-user-drag:none;user-select:none;pointer-events:none}
:root[data-theme="dark"] .mcat{filter:drop-shadow(0 0 1.5px rgba(236,238,246,.6)) drop-shadow(0 14px 22px rgba(0,0,0,.45))}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .mcat{filter:drop-shadow(0 0 1.5px rgba(236,238,246,.6)) drop-shadow(0 14px 22px rgba(0,0,0,.45))}}
.mbub{font-family:var(--body);font-size:14.5px;font-weight:600;line-height:1.35;background:var(--fg);color:var(--bg);padding:9px 13px;border-radius:16px;white-space:nowrap;box-shadow:var(--shadow)}
@keyframes catRide{0%,100%{transform:translateY(0) rotate(-1.5deg)}50%{transform:translateY(-8px) rotate(1.5deg)}}
@keyframes catIn{0%{transform:translateX(-60%) rotate(-6deg);opacity:0}60%{opacity:1}75%{transform:translateX(5%) rotate(2deg)}100%{transform:none;opacity:1}}
@keyframes catPeek{0%{transform:translateY(40%)}100%{transform:none}}
@keyframes bubIn{0%{transform:scale(.6);opacity:0}100%{transform:none;opacity:1}}
/* strona główna */
.hhero.has-cat{position:relative}
.hh-cat{display:flex;flex-direction:column;align-items:center;gap:8px;position:relative}
.hh-cat .mcat{width:100%}
.hh-cat .mbub{white-space:normal;max-width:190px;border-bottom-left-radius:4px;align-self:flex-start}
@media (min-width:900px){
  .hhero.has-cat{display:grid;grid-template-columns:minmax(0,1fr) 300px;column-gap:48px;align-items:start;text-align:left}
  .hhero.has-cat .hh-main{align-items:flex-start}
  .hhero.has-cat .hlvl{align-self:flex-start}
  .hhero.has-cat .ssugg{justify-content:flex-start}
  .hhero.has-cat .smore{align-self:flex-start}
  .hh-cat{width:270px;align-self:start;justify-self:center;margin-top:4px}   /* przypięty do góry – nie skacze przy zmianie szkoły */
  .hh-cat .mbub{margin-left:-30px}
}
@media (min-width:561px) and (max-width:899px){
  .hh-cat{order:-1;width:170px}
  .hh-cat .mbub{display:none}
}
@media (max-width:560px){
  .hh-cat{position:absolute;right:-4px;top:4px;width:104px}
  .hh-cat .mbub{display:none}
  .hhero.has-cat h1,.hhero.has-cat .hsub{padding-right:108px}
}
/* quiz: kot zagląda zza karty */
.quiz.has-cat{margin-top:52px}
.qcat{position:absolute;right:22px;top:-62px;height:62px;display:flex;align-items:flex-end;gap:8px;pointer-events:none}
.qcat .peek{width:96px;height:62px;overflow:hidden;flex:none}
.qcat .mcat{width:96px;animation:catPeek .5s cubic-bezier(.2,.8,.2,1) both}
.qcat .mbub{margin-bottom:22px;border-bottom-right-radius:4px;animation:bubIn .25s ease-out both;transform-origin:100% 100%}
.qcat .mbub.ok{background:var(--good);color:#fff}
@media (max-width:560px){.qcat{right:14px}.qcat .mbub{font-size:13.5px}}
/* wynik */
.result.has-cat{position:relative}
.rcat{position:absolute;right:12px;top:12px;width:120px;display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none}
.rcat .mcat{width:100%}
.rcat.skate .mcat{animation:catIn .9s cubic-bezier(.2,.8,.2,1) both}
.rcat .mbub{display:none}
@media (min-width:700px){
  .result.has-cat{padding-right:clamp(220px,28vw,270px)}
  .rcat{top:auto;bottom:0;right:28px;width:200px}
  .rcat.head{top:50%;bottom:auto;transform:translateY(-50%);width:230px;right:16px}
  .rcat .mbub{display:block;order:-1;align-self:flex-start;margin-left:-20px;border-bottom-left-radius:4px;animation:bubIn .25s .5s ease-out both}
}
/* brak wyników wyszukiwania */
.sempty.has-cat{display:flex;gap:16px;align-items:flex-start}
.sempty .secat{width:110px;flex:none;margin-top:2px}
.sempty .setx{min-width:0}
@media (max-width:420px){.sempty .secat{width:80px}}
@media (prefers-reduced-motion:reduce){.hh-cat .mcat,.qcat .mcat,.rcat .mcat,.qcat .mbub,.rcat .mbub{animation:none}}

/* ---------- Animacje maskotki ---------- */
.efocus{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:16px;background:color-mix(in srgb,var(--bg) 90%,transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:opacity .25s}
.efocus.out{opacity:0}
.efbox{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;max-width:380px}
.efbox .mcat{width:min(300px,72vw)}
.efbox h2{font-family:var(--display);font-size:clamp(26px,6vw,36px);line-height:1.1;letter-spacing:-.03em;margin:4px 0 0}
.efbox p{margin:0;color:var(--muted);font-size:16px;line-height:1.5}
.efbox .efn{color:var(--fg);font-variant-numeric:tabular-nums}
.efbox .btn{margin-top:6px}

.hh-below{width:100%;display:flex;flex-direction:column;gap:6px}
.hh-below .hgr{margin:16px 0 0}
.hh-below .hlast{margin-top:16px}
@media (min-width:900px){
  .hhero.has-cat .hh-below{text-align:left}
  .hhero.has-cat .hgr h2,.hhero.has-cat .hlast h2{text-align:left}
  .hhero.has-cat .hgr .ogrid{margin:0;max-width:none}
  .hhero.has-cat .hlast{max-width:none;margin-left:0;margin-right:0}
  .hhero.has-cat .hlast .hlh{justify-content:space-between}
}

header:has(.hsf){flex-wrap:wrap!important;row-gap:10px}
.hsf{order:9;position:relative;display:flex;align-items:center;gap:10px;flex:1 1 100%;min-width:0;height:44px;margin:0;padding:0 16px;border-radius:14px;border:1px solid var(--line);background:var(--soft);color:var(--muted);cursor:text}
.hsf:focus-within{border-color:var(--ink);background:var(--card-solid);box-shadow:0 0 0 3px color-mix(in srgb,var(--ink) 18%,transparent)}
.hsf>svg{width:18px;height:18px;flex:none}
.hsf input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font:inherit;font-size:16px;color:var(--fg);-webkit-appearance:none;appearance:none}
.hsf input::placeholder{color:var(--muted)}
.hsf input::-webkit-search-decoration{-webkit-appearance:none}
.hsr{position:absolute;left:-1px;top:calc(100% + 8px);z-index:80;width:min(100%,560px);background:var(--card-solid);border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 40px -16px rgba(20,24,48,.35);padding:6px;display:flex;flex-direction:column;max-height:min(70vh,460px);overflow:auto}
.hsr[hidden]{display:none}
.hsr a{display:flex;flex-direction:column;gap:2px;padding:9px 12px;border-radius:10px;text-decoration:none!important;color:var(--fg)!important;text-align:left}
.hsr a b{font-weight:600;font-size:15px;line-height:1.3}
.hsr a span{font-size:12.5px;color:var(--muted)}
.hsr a:hover,.hsr a[aria-selected="true"]{background:var(--soft)}
.hsr a.all{margin-top:4px;border-top:1px solid var(--line);border-radius:0 0 10px 10px;color:var(--ink)!important;font-weight:600;font-size:14px}
.hsr .none{margin:0;padding:10px 12px;color:var(--muted);font-size:14px}
header:has(.hsf) .hsearch{display:none!important}
@media (max-width:720px){
  body:not(.seo) header .hsf{display:none}
  body:not(.seo) header:has(.hsf) .hsearch{display:grid!important}
  body:not(.seo) header:has(.hsf){row-gap:0}
  .hsf{height:44px}
  .hsr{width:100%}
}
/* telefon i tablet: 1. rząd – logo, „kl. 7 ▾”, motyw, „Zacznij naukę”; po rozwinięciu – szkoła i klasy; na dole pole wyszukiwania */
@media (max-width:979px){
  header:has(.hsf){gap:6px!important;row-gap:10px!important}
  header:has(.hsf) .hright{display:contents!important}
  header:has(.hsf) .hcomp{order:2;display:inline-flex!important;height:38px;padding:0 8px 0 10px;gap:4px}
  header:has(.hsf) .tt{order:3;width:38px;height:38px;flex:none}
  header:has(.hsf) .sx-app{order:4}
  header:has(.hsf) .lvl{order:6}
  header:has(.hsf) .grades{order:7}
  body:not(.hdr-open) header:has(.hsf) .lvl,body:not(.hdr-open) header:has(.hsf) .grades{display:none!important}
  body.hdr-open header:has(.hsf) .lvl{margin-right:auto}
  body.hdr-open header:has(.hsf)::after{content:"";order:5;flex-basis:100%;height:0}   /* szkoła i klasy zawsze w osobnym rzędzie */
  body.hdr-open header:has(.hsf) .hcomp svg{transform:rotate(180deg)}
  .seo header:has(.hsf) .hcomp{margin-left:auto!important}
}
@media (min-width:721px) and (max-width:979px){
  body:not(.seo) header:has(.hsf) .hcomp{margin-left:auto!important}
}
@media print{.hsf{display:none!important}}

/* ===== Strony statyczne v2 (2026-10-04) ===== */
/* kolory, linie, karty i tło z aplikacji (szybkie poprawki UX 2026-10-08) */
body.seo{--sx-bg:var(--bg);--sx-paper:var(--card);--sx-line:var(--line);--sx-ink2:var(--fg);--sx-brand-soft:rgba(52,70,245,.1);
  background:var(--bg);color:var(--fg);font-size:16.5px;line-height:1.6}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) body.seo{--sx-brand-soft:rgba(143,156,255,.14)}}
:root[data-theme="dark"] body.seo{--sx-brand-soft:rgba(143,156,255,.14)}
body.seo{margin:0;padding:0;max-width:none}
.sx-cat,.sx-card,.sx-pn a,.sx-check{background:var(--card);border:1px solid var(--glass-brd);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4)}
.seo a{color:inherit}
.sx-page{max-width:1200px;margin:auto;padding:22px 20px 72px;display:grid;grid-template-columns:210px minmax(0,760px);gap:48px;justify-content:center}
.sx-page.hub{grid-template-columns:minmax(0,920px)}
.sx-crumbs{display:flex;flex-wrap:wrap;gap:4px;font-size:14px;color:var(--muted);margin:0 0 14px;padding:0;list-style:none}
.sx-crumbs a{color:var(--muted)!important;text-decoration:none}.sx-crumbs a:hover{text-decoration:underline}
.sx-crumbs li+li::before{content:"›";margin:0 6px;opacity:.6}
.sx-badge{display:block;font-size:12px;font-weight:500;text-transform:uppercase;letter-spacing:.1em;color:var(--sx-c,var(--ink))}
.seo h1.sx-h1{font:700 clamp(30px,5vw,44px)/1.12 var(--display),var(--body),sans-serif;letter-spacing:-.02em;margin:8px 0 14px;color:var(--fg)}
.sx-lead{font-size:18px;color:var(--muted);margin:0 0 14px}
.sx-meta{margin-bottom:6px}
.sx-meta a.chip{color:var(--ink)!important;text-decoration:none;font-weight:600}
/* treść notatki: karty, numeracja i ramki jak w aplikacji */
.sx-art{max-width:none;margin-top:22px}
.sx-art .nsec,.sx-art .nmat{scroll-margin-top:84px}
.seo figure .zbadge{display:none}
.sx-check{margin-top:26px;border-radius:var(--r);padding:26px 28px;display:grid;gap:16px}
.sx-check h2{margin:0 0 6px;font:700 22px/1.25 var(--display),sans-serif;color:var(--fg)}
.sx-check p{margin:0;color:var(--muted);font-size:15.5px}
.sx-btns{display:flex;flex-wrap:wrap;gap:10px}
.sx-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;font-weight:600;font-size:16px;min-height:46px;padding:0 18px;border-radius:12px;background:#3446F5;color:#fff!important}
.sx-btn:hover{filter:brightness(1.08)}
.sx-btn.alt{background:var(--card-solid);color:var(--fg)!important;border:1px solid var(--sx-line)}
.sx-btn.ghost{background:transparent;color:var(--ink)!important;border:1px solid var(--sx-line)}
.sx-pn{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:10px}
.sx-pn a{display:block;text-decoration:none;border-radius:18px;padding:14px 16px}
.sx-pn a:hover{border-color:var(--ink)}
.sx-pn small{display:block;color:var(--muted);font-size:13px}.sx-pn b{font-weight:600}
.sx-pn .nx{text-align:right;grid-column:2}
.sx-more{margin-top:16px}
.sx-more h2{font-size:15px;font-weight:600;color:var(--muted);margin:0 0 10px}
.sx-pills{display:flex;flex-wrap:wrap;gap:8px}
.sx-pills a{text-decoration:none;font-size:15px;padding:7px 13px;border-radius:999px;border:1px solid var(--sx-line);background:var(--soft);line-height:1.3}
.sx-pills a:hover{border-color:var(--ink);color:var(--ink)}
/* kolumny boczne */
.sx-side{position:sticky;top:84px;align-self:start;font-size:14px;max-height:calc(100vh - 100px);overflow:auto}
.sx-toc .t{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 10px}
.sx-toc a{display:block;text-decoration:none;color:var(--muted)!important;padding:6px 0 6px 14px;border-left:2px solid var(--sx-line);line-height:1.35}
.sx-toc a:hover{color:var(--fg)!important}
.sx-toc a.on{color:var(--fg)!important;font-weight:600;border-color:var(--ink)}
.sx-toc .t.sub{margin-top:26px}
.sx-card{border-radius:20px;padding:18px}
.sx-card h2{margin:0 0 4px;font-size:16px;font-weight:600}.sx-card p{margin:0 0 12px;color:var(--muted);font-size:14px;line-height:1.45}
.sx-card .sx-btn{width:100%;margin-top:8px;font-size:15px;min-height:42px}
.sx-mbar{display:none}
/* strony zbiorcze */
.sx-subj{margin-top:36px;scroll-margin-top:84px}
.sx-subj>h2{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px;font-size:24px;font-weight:600;margin:0 0 12px}
.sx-subj>h2 a{text-decoration:none}
.sx-subj>h2 small{font-size:14px;font-weight:500;color:var(--muted)}
.sx-subj>h2 small a{color:var(--ink)!important}
.sx-cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px;margin-top:18px;align-items:start}
.sx-subj .sx-cats{margin-top:0}
.sx-cat{border-radius:20px;padding:14px 16px}
.sx-cat h3{font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:0 0 6px}
.sx-cat ul{list-style:none;margin:0;padding:0}
.sx-cat li a{display:flex;justify-content:space-between;gap:10px;text-decoration:none;padding:8px 0;border-top:1px solid var(--sx-line);font-size:15.5px;line-height:1.35}
.sx-cat li:first-child a{border-top:0}
.sx-cat li a:hover{color:var(--ink)}
.sx-cat li a span{color:var(--muted);font-size:13px;white-space:nowrap;padding-top:2px}
.sx-jump{margin-top:6px}
.sx-cat li a.v{flex-direction:column;gap:1px}
.sx-cat li a.v span{padding:0}
/* stopka */
.sx-foot{border-top:1px solid var(--sx-line);color:var(--muted);font-size:14px;display:block;padding:0;margin-top:24px}
.sx-foot .in{max-width:1200px;margin:auto;padding:26px 20px 30px;display:flex;flex-wrap:wrap;gap:10px 22px;align-items:baseline}
.sx-foot b{color:var(--fg)}
.sx-foot a{color:var(--muted)!important}
@media (max-width:1060px){.sx-page{grid-template-columns:minmax(0,760px)}.sx-page>.sx-toc{display:none}}
@media (max-width:840px){
 .sx-page{display:block;padding:18px 16px 110px}
 .sx-page.hub{padding-bottom:48px}
 .sx-side{display:none}
 .sx-lead{font-size:17px}
 .sx-mbar{display:flex;position:fixed;left:12px;right:12px;bottom:max(12px,env(safe-area-inset-bottom));z-index:30;gap:8px;background:var(--card);border:1px solid var(--glass-brd);-webkit-backdrop-filter:blur(18px) saturate(1.4);backdrop-filter:blur(18px) saturate(1.4);padding:8px;border-radius:20px;box-shadow:var(--shadow)}
 .sx-mbar a{flex:1;text-align:center;text-decoration:none;color:var(--fg)!important;background:var(--soft);font-weight:600;font-size:15px;padding:12px 6px;border-radius:14px;white-space:nowrap}
 .sx-mbar a.p{flex:1.6;background:#3446F5;color:#fff!important}
 .seo.has-mbar .sx-app{display:none}
 .sx-check{padding:22px 20px}
 .sx-btns .sx-btn{flex:1 1 100%}
 .sx-pn{grid-template-columns:1fr}.sx-pn .nx{grid-column:1;text-align:left}
 .sx-subj>h2{font-size:21px}
}
@media print{.sx-hwrap,.sx-side,.sx-mbar,.sx-check,.sx-pn,.sx-more,.sx-foot{display:none!important}.sx-page{display:block}}
/* ściąga + quiz na stronach (2026-10-05) */
.sx-note{color:var(--muted);font-size:15px;margin:0 0 12px}
.sx-sci ul{margin:0;padding-left:20px}.sx-sci li{margin:6px 0}.sx-sci h3{font-size:16px;margin:18px 0 6px}.sx-sci h3 a{color:inherit}
.sx-quiz{padding-left:22px;margin:0}.sx-q{margin:0 0 18px}.sx-qq{font-weight:600;margin:0 0 8px}
.sx-qo{list-style:none;padding:0;margin:0 0 8px;display:grid;gap:4px}.sx-qo li{display:flex;gap:8px}
.sx-ql{min-width:20px;font-weight:600;color:var(--muted)}
.sx-ql::after{content:"."}
.sx-q details{font-size:15px}
.sx-q summary{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--soft);cursor:pointer;color:var(--ink);font-weight:600;list-style:none}
.sx-q summary::-webkit-details-marker{display:none}
.sx-q summary:hover{background:var(--card-solid)}
.sx-q details[open] summary{margin-bottom:8px}
.sx-q details p{margin:0;padding:12px 16px;border-radius:14px;background:var(--good-bg)}
.sx-dz{display:block;margin-top:6px;padding-top:10px;border-top:1px solid var(--sx-line);font-size:14px;font-weight:500;text-decoration:none;color:var(--ink)!important}
.sx-dz:hover{text-decoration:underline}

/* przycisk w nagłówku: dłuższy napis na komputerze, krótki na telefonie */
.sx-app{display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;background:#3446F5;color:#fff!important;font-weight:600;font-size:15px;text-decoration:none;white-space:nowrap;flex:none}
.sx-app:hover{filter:brightness(1.08)}
.sx-app .cs{display:none}
@media (max-width:720px){ .sx-app .cl{display:none} .sx-app .cs{display:inline} .sx-app{order:6;height:38px;padding:0 12px;font-size:14.5px} }

/* nagłówek jak w aplikacji, tabs Notatka/Fiszki/Quiz, stopka (2026-10-08) */
.sx-hwrap{position:sticky;top:0;z-index:20;max-width:1200px;margin:0 auto;padding:10px 20px 0;pointer-events:none}
.sx-hwrap header{position:relative;top:0;pointer-events:auto}
.seo header a{text-decoration:none;color:inherit}
.seo header .brand{color:var(--fg)!important}
.seo .seg a{display:grid;place-items:center;width:34px;height:32px;border-radius:999px;font-weight:600;font-size:14px;font-variant-numeric:tabular-nums;color:var(--muted)!important;transition:background .2s,color .2s}
.seo .seg a:hover{color:var(--fg)!important}
.seo .seg a[aria-current="page"]{background:var(--card-solid);color:var(--fg)!important;box-shadow:0 1px 3px rgba(0,0,0,.12)}
.seo .seg.lvl a{width:auto;padding:0 12px}
.seo .grades a.e8{font-weight:700;color:var(--pop-ink,var(--pop))!important;letter-spacing:-.02em}
.seo .grades a.e8[aria-current="page"]{color:#fff!important;background:#C2410C}
.seo header .hsearch{color:var(--fg)!important}
.seo header .hright{margin-left:auto}
.sx-hwrap~.sx-page .sx-side{top:90px}
.sx-tabs{margin:4px 0 18px}
.seo a.ttab{text-decoration:none}
.seo a.ttab:not([aria-current]) .l{color:var(--fg)}
.sx-meta .sx-listen{color:var(--ink)!important;font-weight:600;text-decoration:none}
.sx-lead-btns{margin:4px 0 8px}
.sx-lead-btns .sx-btn.alt{border:1px solid var(--sx-line)}
.sx-foot .in{flex-direction:column;align-items:flex-start;gap:6px}
.sx-fl a,.sx-foot a{text-decoration:none}.sx-fl a:hover,.sx-foot a:hover{text-decoration:underline}
@media (max-width:840px){
 .sx-hwrap{padding:8px 12px 0}
 .seo:not(.has-mbar) header .tt{display:none}
 .seo:not(.has-mbar):not(.hdr-open) header:not(:has(.hsf)){flex-wrap:nowrap!important}
}
@media (max-width:420px){ .seo:not(.has-mbar) header .hsearch{display:none!important} .seo:not(.has-mbar) header .hcomp{margin-left:auto} }

/* „Drukuj ściągę” w chipach strony tematu */
.sx-meta .sx-print{font:inherit;font-size:13px;color:var(--ink);font-weight:600;cursor:pointer}
.sx-meta .sx-print:hover{background:var(--card-solid)}

/* ---- strona klasy (2026-10-30): pierwszy ekran, kafle przedmiotów, pytanie z quizu, zwijane działy, próbne sprawdziany ---- */
.gpage .sx-page.hub{grid-template-columns:minmax(0,1120px)}
.ghero{display:flex;flex-direction:column;gap:24px;margin-top:6px}
.gtext{order:1;min-width:0}
.gcont{order:2}
.gcont[hidden]{display:none!important}
.gtiles{order:3}
.gquiz{order:4}
.geb{margin:0;font-size:12.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink)}
.gh1{display:flex;align-items:flex-start;gap:8px}
.gh1 .sx-h1{flex:1;margin:6px 0 0;font-size:clamp(32px,6vw,58px);line-height:1.02;letter-spacing:-.035em}
.gh1 img{width:clamp(88px,14vw,128px);height:auto;flex:none;margin-top:-6px}
.gtext .sx-lead{margin:12px 0 0;max-width:560px}
.gtext .hsf{order:0;margin-top:18px;max-width:600px;height:56px;border:2px solid var(--ink);background:var(--card-solid);color:var(--muted)}
.gtext .hsf input{font-size:17px}
.gtiles h2,.gall-h h2{margin:0 0 12px;font-size:22px;font-weight:700}
.gtiles .subj{text-decoration:none;color:var(--fg)!important}
.gtiles .gtile-t{background:#14161F;color:#fff!important}
.gtiles .gtile-t .q{color:#C9CCDA}
.gtiles .gtile-t .glyph{background:#FFD84D;color:#2A2400}
.gtiles .gtile-t .glyph svg{width:22px;height:22px}
.gquiz,.gcont{padding:18px;border-radius:24px;background:var(--card-solid);border:1px solid var(--glass-brd);box-shadow:var(--shadow)}
.gq-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.gquiz h2,.gcont h2{margin:0;font-size:18px;font-weight:700;line-height:1.3}
.gcont h2{margin-top:6px;font-size:20px}
.gc-eb{margin:0;font-size:13px;font-weight:600;color:var(--muted)}
.gchip{flex:none;font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;background:hsl(var(--h) 70% var(--sub-bg-l));color:hsl(var(--h) 70% 26%)}
[data-theme="dark"] .gchip{color:hsl(var(--h) 70% 80%);background:hsl(var(--h) 40% 22%)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .gchip{color:hsl(var(--h) 70% 80%);background:hsl(var(--h) 40% 22%)}}
.gquiz .ncheck{display:flex!important;margin-top:10px;padding:0;border:0;background:none}
.gquiz .ncfb .sx-btn{margin-top:10px}
.gq-from{margin:12px 0 0;font-size:13px;color:var(--muted)}
.gq-from a{color:var(--ink)}
.gc-btns{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.gc-btns .sx-btn{flex:1 1 0;justify-content:center;white-space:nowrap}
.gall{margin-top:40px}
.gall-h{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:4px 12px}
.gall-h h2{margin:0}.gall-h p{margin:0;font-size:14px;color:var(--muted)}
.gall summary{list-style:none;cursor:pointer}.gall summary::-webkit-details-marker{display:none}
.gall summary svg{width:20px;height:20px;flex:none;color:var(--muted);transition:transform .2s}
.gall details[open]>summary>svg,.gall details[open]>summary .gcc svg{transform:rotate(180deg)}
.gsub{--c:hsl(var(--h) var(--sub-s) var(--sub-l));--cb:hsl(var(--h) 60% var(--sub-bg-l));margin-top:10px;border-radius:20px;background:var(--card);border:1px solid var(--glass-brd);box-shadow:var(--shadow);scroll-margin-top:90px}
.gsub>summary{display:flex;align-items:center;gap:14px;min-height:64px;padding:12px 18px}
.gsub>summary .glyph{flex:none;width:40px;height:40px;border-radius:11px}
.gsn{flex:1;min-width:0}.gsn b{display:block;font-size:17px;font-weight:700}.gsn small{display:block;font-size:13.5px;color:var(--muted)}
.gchs{padding:0 18px 4px}
.gch{border-top:1px solid var(--sx-line)}
.gch>summary{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:50px;font-size:15px;font-weight:600}
.gcc{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:500;color:var(--muted);white-space:nowrap}
.gcc svg{width:16px!important;height:16px!important}
.gch ul{list-style:none;margin:0 0 6px;padding:0}
.gch li{display:flex;align-items:center;gap:10px;border-top:1px solid var(--sx-line)}
.gt{flex:1;min-width:0;display:flex;flex-direction:column;gap:3px;padding:11px 0;text-decoration:none;color:var(--fg)!important}
.gt b{font-size:15.5px;font-weight:600;line-height:1.3}.gt:hover b{color:var(--ink)}
.gm{display:flex;flex-wrap:wrap;gap:2px 10px;font-size:12.5px;color:var(--muted)}
.gqz{display:none;flex:none;align-items:center;height:32px;padding:0 12px;border-radius:999px;background:var(--sx-brand-soft);color:var(--ink)!important;font-size:13px;font-weight:700;text-decoration:none}
.gdz{display:flex;align-items:center;min-height:44px;margin:4px 0 12px;padding:0 14px;border-radius:14px;background:var(--sx-brand-soft);color:var(--ink)!important;font-size:14px;font-weight:700;text-decoration:none}
.gsl{display:block;margin:0 18px;padding:12px 0 14px;border-top:1px solid var(--sx-line);font-size:14px;font-weight:600;color:var(--ink)!important;text-decoration:none}
.gtests{margin-top:40px;padding:22px;border-radius:24px;background:#14161F;color:#fff;display:flex;flex-direction:row;flex-wrap:wrap;gap:20px 28px}
[data-theme="dark"] .gtests{background:var(--card-solid);border:1px solid var(--glass-brd)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .gtests{background:var(--card-solid);border:1px solid var(--glass-brd)}}
.gtx{flex:1 1 280px}.gtx .geb{color:#FFD84D}
.gtx h2{margin:6px 0 0;font-size:26px;font-weight:800;line-height:1.1;color:#fff}
.gtx p:last-child{margin:10px 0 0;font-size:15px;line-height:1.5;color:#C9CCDA}
.gtl{flex:2 1 460px;display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:8px;align-content:start}
.gtl a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:56px;padding:6px 16px;border-radius:14px;background:rgba(255,255,255,.08);color:#fff!important;font-size:15px;font-weight:600;text-decoration:none;line-height:1.25}
.gtl a:hover{background:rgba(255,255,255,.14)}
.gtl small{display:block;font-size:12px;font-weight:500;color:#C9CCDA}
.gtmore{flex:1 1 100%}
.gtmore summary{display:inline-flex;align-items:center;min-height:44px;color:#FFD84D;font-size:15px;font-weight:700;cursor:pointer;list-style:none}
.gtmore summary::-webkit-details-marker{display:none}
.gtmore[open] summary{margin-bottom:8px}
.gbar a.p{flex-direction:column;display:flex;align-items:center;gap:1px;padding:9px 6px!important;line-height:1.2}
.gbar .gb2{font-size:12px;font-weight:500;color:#DCE0FF}
@media (min-width:841px){
 .ghero{display:grid;grid-template-columns:minmax(0,1fr) minmax(340px,420px);gap:28px 40px;align-items:start}
 .gtext{grid-column:1;grid-row:1}
 .gquiz,.gcont{grid-column:2;grid-row:1;margin-top:28px}
 .gback .gquiz{display:none}
 .gtiles{grid-column:1/-1;grid-row:2;margin-top:12px}
 .gtiles .subjects{grid-template-columns:repeat(4,minmax(0,1fr))}
 .gchs{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:12px;padding:0 18px 16px;align-items:start}
 .gch{border:0;border-radius:18px;background:var(--soft);padding:4px 16px 0}
 .gch>summary{pointer-events:none;min-height:40px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
 .gch>summary .gcc{display:none}
 .gch li:first-child{border-top:0}
 .gqz{display:inline-flex}
 .gdz{background:none;padding:0;min-height:40px;border-top:1px solid var(--sx-line);border-radius:0;margin:0}
 .gsl{margin:0 18px}
 .gtests{padding:32px}
}
@media (max-width:840px){
 .gprev{display:none}
 .gpage .sx-page.hub{padding-bottom:96px}
}

/* bez JS: strona działu drukuje się jako ściąga także po Ctrl+P (Safari robi podgląd w niewiadomym momencie) */
/* ---- strona działu: „Drukuj ściągę” (2026-10-30) – na wydruku tylko tytuł i ściąga z działu, dwie kolumny na A4 ---- */
.dz-sh{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 12px}
.dz-sh h2{margin:0}
.dz-print{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);background:var(--soft);font:inherit;font-size:14px;font-weight:600;color:var(--ink);cursor:pointer}
.dz-print:hover{background:var(--card-solid)}
.dz-pmeta{display:none}
@media print{
 @page{size:A4;margin:9mm 10mm}
 html:has([data-printdz]){background:#fff!important;color-scheme:light!important}
 body:is(.print-dz,:has([data-printdz])){background:#fff!important;color:#000!important;font-size:9pt;-webkit-print-color-adjust:exact;print-color-adjust:exact}
 body:is(.print-dz,:has([data-printdz]))::before,body:is(.print-dz,:has([data-printdz]))::after{display:none!important}
 body:is(.print-dz,:has([data-printdz])) :is(.sx-hwrap,.sx-side,.sx-mbar,.sx-foot,nav[aria-label="Ścieżka"],.sx-badge,.sx-lead,.sx-lead-btns,#dz-t,.sx-qz,.sx-check,.dz-print){display:none!important}
 body:is(.print-dz,:has([data-printdz])) :is(.sx-page,main,.notepage,.sx-art){display:block!important;max-width:none!important;width:auto!important;margin:0!important;padding:0!important;border:0!important;background:none!important;box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
 body:is(.print-dz,:has([data-printdz])) .dz-pmeta{display:flex!important;justify-content:space-between;gap:4mm;font-size:7.5pt;color:#333;border-bottom:.6pt solid #000;padding:0 0 1mm;margin:0 0 1.5mm}
 body:is(.print-dz,:has([data-printdz])) .sx-h1{font-size:15pt!important;line-height:1.15!important;margin:0 0 2mm!important;color:#000!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci{display:block!important;column-count:2;column-gap:6mm;column-rule:.5pt solid #bbb;padding:0!important;margin:0!important;border:0!important;background:none!important;box-shadow:none!important;-webkit-backdrop-filter:none!important;backdrop-filter:none!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci .dz-sh{display:none!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci h3{font-size:9.5pt!important;line-height:1.2!important;margin:2mm 0 .8mm!important;break-after:avoid;color:#000!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci h3 a{color:#000!important;text-decoration:none!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci ul{margin:0 0 1mm!important;padding-left:3.5mm!important}
 body:is(.print-dz,:has([data-printdz])) .sx-sci li{font-size:8.4pt!important;line-height:1.3!important;margin:0 0 .6mm!important;color:#000!important;break-inside:avoid}
}