/* Písmo Nunito (OFL) – pribalené, funguje aj offline; podmnožina latinky so slovenskou diakritikou */
@font-face{font-family:"Nunito";src:url("fonts/nunito.woff2") format("woff2");font-weight:200 1000;font-style:normal;font-display:swap}
:root{
  --bg:#F1F7F7; --surface:#FFFFFF; --surface-2:#F5FAFA; --ink:#122023; --muted:#4D5B5C; --line:#D3E3E3;
  --brand:#61B0B4; --brand-deep:#146E72; --on-brand:#0B1F21; --brand-soft:#E3F2F2; --brand-ink:#146E72;
  --accent:#146E72; --on-accent:#FFFFFF; --accent-soft:#DCEFEF;
  --bone:#F2B53C; --bone-d:#93650C; --hoof:#6E5A48;
  --muscle:#E5486D; --muscle-soft:#FBDDE5; --on-muscle:#FFFFFF;
  --good:#1E9457; --good-soft:#DBF3E4; --bad:#D4452B; --bad-soft:#FCE3DB; --part-soft:#FCEFCF;
  --membrane:#F0D6C4; --water:#D3E7F2; --tooth:#FFFDF6; --feather:#BBA78D; --nuc:#6E4FA0;
  --skin:#F2D7C3; --skin2:#EBC6AA; --fur:#6B5546; --skull:#F4E8CC; --art:#D2443E; --vein:#3C78C8; --cap:#9B5C9C; --plt:#B08CD0;
  --shadow:0 1px 0 rgba(21,49,58,.05),0 10px 24px -14px rgba(20,110,114,.35);
  color-scheme:light;
  box-sizing:border-box;
  padding-top:env(safe-area-inset-top,0px);
  padding-bottom:env(safe-area-inset-bottom,0px);
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){ --bg:#0F1A1B; --surface:#172628; --surface-2:#1D3032; --ink:#E4F0F0; --muted:#A3B5B6; --line:#2B4042;
    --brand:#61B0B4; --brand-deep:#2F8E92; --on-brand:#0B1F21; --brand-soft:#1A3537; --brand-ink:#8FD0D3;
    --accent:#7FC9CC; --on-accent:#0B1F21; --accent-soft:#1F3A3B;
    --bone:#F2BE55; --bone-d:#F5D38E; --hoof:#9A8470;
    --muscle:#FF7896; --muscle-soft:#4A2532; --on-muscle:#2B0A13;
    --good:#5FD394; --good-soft:#1C3D2B; --bad:#F48C6A; --bad-soft:#46281F; --part-soft:#3F3420;
    --membrane:#5B4236; --water:#21394A; --tooth:#EDE6D6; --feather:#7D6C58; --nuc:#B79BE3;
    --skin:#6B5142; --skin2:#7E604E; --fur:#8A7262; --skull:#CDBB94; --art:#F07067; --vein:#6EA2E8; --cap:#C08BC4; --plt:#C6A6E6;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 24px -14px rgba(0,0,0,.6); color-scheme:dark; } }
:root[data-theme="dark"]{ --bg:#0F1A1B; --surface:#172A26; --surface-2:#1D332E; --ink:#E3EFEA; --muted:#9CB2A9; --line:#2B433C;
    --brand:#61B0B4; --brand-deep:#2F8E92; --on-brand:#06201A; --brand-soft:#1A3537; --brand-ink:#8FD0D3;
    --accent:#FF7896; --on-accent:#2B0A13; --accent-soft:#45202B;
    --bone:#F2BE55; --bone-d:#F5D38E; --hoof:#9A8470;
    --muscle:#FF7896; --muscle-soft:#4A2532; --on-muscle:#2B0A13;
    --good:#5FD394; --good-soft:#1C3D2B; --bad:#F48C6A; --bad-soft:#46281F; --part-soft:#3F3420;
    --membrane:#5B4236; --water:#21394A; --tooth:#EDE6D6; --feather:#7D6C58; --nuc:#B79BE3;
    --skin:#6B5142; --skin2:#7E604E; --fur:#8A7262; --skull:#CDBB94; --art:#F07067; --vein:#6EA2E8; --cap:#C08BC4; --plt:#C6A6E6;
    --shadow:0 1px 0 rgba(0,0,0,.2),0 10px 24px -14px rgba(0,0,0,.6); color-scheme:dark; }
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 80px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.55 "Nunito",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;-webkit-text-size-adjust:100%}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:20;background:var(--bg)}
button,select,input,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:10px}
.wrap{max-width:680px;margin:0 auto;padding:0 16px 56px}
h1,h2,h3,.gnum,.display{font-family:"Nunito","Trebuchet MS",system-ui,sans-serif}
h1{font-weight:600;font-size:clamp(30px,8vw,40px);line-height:1.05;margin:0 0 6px;letter-spacing:-.01em}
h2{font-weight:600;font-size:21px;line-height:1.2;margin:0 0 10px}
.sub{color:var(--muted);margin:0 0 6px;max-width:36em}
.section{margin:26px 0 0}
.section>h2{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.section>h2 .linkbtn{font:500 14px "Nunito",system-ui,sans-serif}

/* ---------- tlačidlá ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:2px solid var(--line);background:var(--surface);cursor:pointer;font-weight:600;font-size:16px;text-align:center;line-height:1.25;transition:transform .08s}
.btn:active{transform:scale(.98)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent);box-shadow:0 6px 0 -1px color-mix(in srgb,var(--accent) 55%,#000 45%)}
.btn.primary:active{transform:translateY(3px);box-shadow:0 3px 0 -1px color-mix(in srgb,var(--accent) 55%,#000 45%)}
.btn.brand{background:var(--brand);border-color:var(--brand);color:var(--on-brand)}
.btn.block{display:flex;width:100%;margin:0 0 10px}
.btn.big{font-size:18px;padding:17px 18px;border-radius:16px}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none}
.linkbtn{background:none;border:0;padding:4px 0;color:var(--muted);text-decoration:underline;text-underline-offset:3px;cursor:pointer;font-size:14px}
.field-label{display:block;font-weight:500;margin:0 0 8px}
.note{color:var(--muted);font-size:14px;margin:8px 0 0}
.note.warn{color:var(--bad)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:20px;box-shadow:var(--shadow)}
.card p{margin:0 0 10px} .card p:last-child{margin-bottom:0}

/* ---------- úvod: hero ---------- */
.hero{background:var(--brand);color:var(--on-brand);margin:0 -16px;padding:22px 20px 22px;border-radius:0 0 28px 28px;position:relative;overflow:hidden}
.hero h1{color:var(--on-brand)}
.hero .sub{color:color-mix(in srgb,var(--on-brand) 82%,transparent)}
.hero .ctx{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}
.hero .chip{background:color-mix(in srgb,var(--on-brand) 14%,transparent);border-color:transparent;color:var(--on-brand)}
.hero .chip[aria-pressed="true"]{background:var(--on-brand);color:var(--brand);border-color:var(--on-brand)}
.hero .namefield{background:color-mix(in srgb,var(--on-brand) 14%,transparent);border:2px solid transparent;color:var(--on-brand);border-radius:14px;padding:11px 14px;width:100%;max-width:340px;margin:10px 0 0}
.hero .namefield::placeholder{color:color-mix(in srgb,var(--on-brand) 70%,transparent)}
.hero .namefield:focus{border-color:var(--on-brand);outline:none}
.hero .linkbtn{color:color-mix(in srgb,var(--on-brand) 85%,transparent)}
.mastery{margin:20px 0 0}
.mastery .spine{gap:5px}
.mastery .vt{max-width:40px}
.mastery .vt .bd,.mastery .vt .sp{fill:color-mix(in srgb,var(--on-brand) 18%,transparent);stroke:transparent}
.mastery .vt.done .bd,.mastery .vt.done .sp{fill:var(--bone);stroke:color-mix(in srgb,var(--bone) 70%,#000 30%)}
.stats{display:flex;flex-wrap:wrap;gap:6px 18px;margin:10px 0 0;font-size:15px}
.stats b{font-family:"Nunito",system-ui,sans-serif;font-size:22px;font-weight:600;margin-right:4px}

/* ---------- chrbtica ---------- */
.spine{display:flex;gap:3px;align-items:flex-end}
.vt{flex:1 1 0;min-width:0;max-width:34px;padding:0;margin:0;border:0;background:none;display:block;line-height:0}
button.vt{cursor:pointer}
.vt svg{width:100%;height:auto;display:block;overflow:visible}
.vt .bd,.vt .sp{fill:var(--surface);stroke:var(--line);stroke-width:1.6}
.vt.done .bd,.vt.done .sp{fill:var(--bone);stroke:var(--bone-d)}
.vt.cur svg{transform:translateY(-4px)}
.vt.cur .bd,.vt.cur .sp{stroke:var(--accent);stroke-width:2.8}
.vt.good .bd,.vt.good .sp{fill:var(--good);stroke:var(--good)}
.vt.bad .bd,.vt.bad .sp{fill:var(--bad);stroke:var(--bad)}
.vt.part .bd,.vt.part .sp{fill:var(--bone);stroke:var(--bone-d)}

/* ---------- režimy ---------- */
.modes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.mode{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;padding:14px 12px 13px;border-radius:18px;border:2px solid var(--line);background:var(--surface);cursor:pointer;box-shadow:var(--shadow);min-height:118px}
.mode .ic{width:34px;height:34px;border-radius:11px;display:grid;place-items:center;background:var(--brand-soft);color:var(--brand-ink)}
.mode .ic svg{width:20px;height:20px}
.mode b{font:600 17px/1.15 "Nunito",system-ui,sans-serif}
.mode small{color:var(--muted);font-size:12.5px;line-height:1.3}
.mode[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.mode[aria-pressed="true"] .ic{background:var(--accent);color:var(--on-accent)}
.mode[disabled]{opacity:.5;cursor:not-allowed}
.badge{position:absolute;top:10px;right:10px;min-width:24px;height:24px;padding:0 7px;border-radius:12px;background:var(--bone);color:#3A2600;font:600 13px/24px "Nunito",system-ui,sans-serif;text-align:center}
@media (max-width:400px){.modes{gap:8px}.mode{padding:12px 10px;min-height:112px}.mode b{font-size:15.5px}}

/* ---------- kapitoly a výber ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{padding:9px 15px;border-radius:999px;border:2px solid var(--line);background:var(--surface);cursor:pointer;font-weight:500;font-size:15px}
.chip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.chapters{display:grid;gap:10px}
.chap{display:grid;grid-template-columns:auto 1fr auto;gap:4px 12px;align-items:center;width:100%;text-align:left;padding:13px 14px;border-radius:18px;border:2px solid var(--line);background:var(--surface);cursor:pointer;box-shadow:var(--shadow)}
.chap[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.chap .num{grid-row:span 2;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font:600 18px "Nunito",system-ui,sans-serif;background:var(--brand-soft);color:var(--brand-ink)}
.chap[aria-pressed="true"] .num{background:var(--accent);color:var(--on-accent)}
.chap .nm{font-weight:500;line-height:1.25}
.chap .meta{color:var(--muted);font-size:13px;text-align:right;white-space:nowrap}
.chap .bar{grid-column:2 / span 2;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.bar i{flex:1;height:7px;border-radius:4px;background:var(--line);overflow:hidden;display:block}
.bar i span{display:block;height:100%;background:var(--good);border-radius:4px}
.seg{display:flex;flex-wrap:wrap;gap:8px}
.seg button{flex:1 1 0;min-width:3.6em;padding:11px 8px;border-radius:14px;border:2px solid var(--line);background:var(--surface);cursor:pointer;font:600 17px "Nunito",system-ui,sans-serif}
.seg button[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.custom{display:flex;align-items:center;gap:10px;margin:10px 0 0}
.custom input{width:6em;padding:10px;border-radius:12px;border:2px solid var(--line);background:var(--surface);font-size:17px}
.go{margin:22px 0 0}
details.card{padding:0}
details.card>summary{list-style:none;cursor:pointer;padding:16px 20px;font:600 18px "Nunito",system-ui,sans-serif;display:flex;justify-content:space-between;align-items:center}
details.card>summary::-webkit-details-marker{display:none}
details.card>summary::after{content:"";width:10px;height:10px;border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);transform:rotate(45deg);margin:-4px 4px 0 0;transition:transform .15s}
details.card[open]>summary::after{transform:rotate(225deg);margin-top:4px}
details.card>.in{padding:0 20px 18px}
.stack{display:grid;gap:12px;margin:22px 0 0}
.hist{width:100%;border-collapse:collapse;font-size:15px}
.hist td{padding:8px 4px;border-top:1px solid var(--line);vertical-align:top}
.hist td.r{text-align:right;white-space:nowrap}
.hist small{color:var(--muted)}
.linkbox{display:flex;gap:8px;margin:10px 0 0}
.linkbox input{flex:1;min-width:0;padding:10px 12px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);font-size:14px}
.check{display:flex;gap:10px;align-items:flex-start;margin:10px 0 0;font-size:15px}
/* rozmer len pre zaškrtávacie políčka a prepínače – nie pre pole s dátumom v tom istom riadku (oprava vo verzii 6.28) */
.check input[type=checkbox],.check input[type=radio]{width:20px;height:20px;margin-top:2px;accent-color:var(--accent)}
.foot{color:var(--muted);font-size:13px;margin:24px 0 0}

/* ---------- otázka ---------- */
.qtop{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--bg);padding:12px 0 10px;margin:0 0 4px}
.qtop .bar1{display:flex;align-items:center;gap:12px;margin:0 0 10px}
.xbtn{width:38px;height:38px;flex:none;border-radius:12px;border:2px solid var(--line);background:var(--surface);cursor:pointer;display:grid;place-items:center}
.xbtn svg{width:16px;height:16px}
.modetag{font-size:13px;font-weight:600;padding:5px 11px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink)}
.modetag.test{background:var(--accent-soft);color:var(--accent)}
.counter{margin-left:auto;font:600 17px "Nunito",system-ui,sans-serif;color:var(--muted)}
.qcard{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px 20px;box-shadow:var(--shadow)}
.how{color:var(--muted);font-size:14px;margin:0 0 6px}
.qt{font:500 21px/1.35 "Nunito",system-ui,sans-serif;margin:0 0 18px}
.opts{display:grid;gap:10px}
.opt{display:flex;align-items:center;gap:12px;width:100%;text-align:left;background:var(--surface-2);border:2px solid var(--line);border-radius:16px;padding:12px 14px;cursor:pointer;line-height:1.35;font-size:17px}
.opt .let{flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font:600 15px "Nunito",system-ui,sans-serif;background:var(--surface);border:2px solid var(--line);color:var(--muted)}
.opt[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.opt[aria-pressed="true"] .let{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.opt.correct{border-color:var(--good);background:var(--good-soft)}
.opt.correct .let{background:var(--good);border-color:var(--good);color:#fff}
.opt.wrong{border-color:var(--bad);background:var(--bad-soft)}
.opt.wrong .let{background:var(--bad);border-color:var(--bad);color:#fff}
.opt[disabled]{cursor:default}
.opts.tf{grid-template-columns:1fr 1fr}
.opts.tf .opt{justify-content:center;font-weight:600;padding:16px 10px}
.stmt{border-left:5px solid var(--bone);padding:4px 0 4px 14px;font-size:20px;line-height:1.45;margin:0 0 18px}
.fill-line{font-size:20px;line-height:2.1;margin:0}
.fill-line input{background:var(--surface-2);border:0;border-bottom:3px solid var(--accent);border-radius:10px 10px 0 0;padding:2px 10px;width:10em;max-width:100%}
.fill-line input.ok{border-color:var(--good);background:var(--good-soft)} .fill-line input.no{border-color:var(--bad);background:var(--bad-soft)}
.hint{color:var(--muted);font-size:14px;margin:12px 0 0}
.match{display:grid;gap:12px}
.mrow{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.35fr);gap:10px;align-items:center}
.ml{font-weight:500;line-height:1.3}
.mrow select{width:100%;background:var(--surface-2);border:2px solid var(--line);border-radius:12px;padding:10px 8px;font-size:15px}
.mrow select.ok{border-color:var(--good);background:var(--good-soft)} .mrow select.no{border-color:var(--bad);background:var(--bad-soft)}
.mfix{grid-column:1 / -1;font-size:14px;color:var(--good);margin:-6px 0 0}
@media (max-width:440px){.mrow{grid-template-columns:1fr;gap:6px}}
.feedback{margin:16px 0 0;border-radius:18px;padding:16px 18px;border:2px solid}
.feedback.ok{background:var(--good-soft);border-color:var(--good)}
.feedback.bad{background:var(--bad-soft);border-color:var(--bad)}
.feedback h3{margin:0 0 4px;font-size:20px;font-weight:600}
.feedback.ok h3{color:var(--good)} .feedback.bad h3{color:var(--bad)}
.feedback p{margin:0 0 6px}
.feedback .exp{color:var(--ink)}
.actionbar{position:sticky;bottom:0;z-index:5;background:linear-gradient(to top,var(--bg) 70%,transparent);padding:16px 0 calc(12px + env(safe-area-inset-bottom,0px));margin-top:8px;display:flex;gap:10px}
.actionbar .primary{flex:1}
.notice{background:var(--part-soft);border-radius:16px;padding:14px 16px;margin-top:14px}
.notice p{margin:0 0 10px}
.notice .row{display:flex;gap:8px;flex-wrap:wrap}
.report{display:inline-block;margin-top:6px;font-size:13px}

/* ---------- výsledok ---------- */
.rhero{margin:0 -16px;padding:26px 20px 24px;border-radius:0 0 28px 28px;color:#fff;background:#146E72}
.rhero.g3{background:#8F620B} .rhero.g4,.rhero.g5{background:#C2442E}
.rhero .meta{margin:0;opacity:.9;font-size:15px}
.result-head{display:flex;align-items:center;gap:18px;margin:14px 0 0}
.gnum{flex:none;width:104px;height:104px;border-radius:50%;display:grid;place-items:center;background:#fff;color:#122023;font-size:68px;font-weight:600;line-height:1;box-shadow:0 8px 0 -2px rgba(0,0,0,.18)}
.gword{font:600 27px/1.1 "Nunito",system-ui,sans-serif;margin:0}
.gpts{margin:4px 0 0;opacity:.92}
.msg{margin:16px 0 0;font-size:17px}
.rhero .spine{margin-top:16px}
.rhero .vt .bd,.rhero .vt .sp{stroke:rgba(255,255,255,.65)}
.legend{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;margin:10px 0 0;opacity:.95}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px;border:1px solid rgba(255,255,255,.7)}
.mlist{display:grid;gap:12px}
.mlist .row{display:grid;grid-template-columns:1fr auto;gap:4px 12px;align-items:center}
.mlist .bar{grid-column:1 / -1;display:flex}
.mlist .delta{font:600 15px "Nunito",system-ui,sans-serif;color:var(--good)}
.scale{width:100%;border-collapse:collapse;font-size:15px;margin-top:6px}
.scale td{padding:7px 8px;border-top:1px solid var(--line)}
.scale tr.me td{background:var(--part-soft);font-weight:600}
.scale td:last-child{text-align:right}
.send{display:grid;gap:10px}
.send input{width:100%;padding:12px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);font-size:16px}
.toast{color:var(--good);font-size:14px;min-height:1.2em;margin:4px 0 0}
.rev{border-left:5px solid var(--line);padding:2px 0 2px 14px;margin:0 0 22px}
.rev.ok{border-color:var(--good)} .rev.bad{border-color:var(--bad)} .rev.part{border-color:var(--bone)}
.rev .rh{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted);margin:0 0 4px}
.rev .rq{font-weight:500;margin:0 0 6px}
.rev .ra{margin:0 0 4px;font-size:15px}
.rev .exp{margin:6px 0 0;font-size:15px;color:var(--muted)}
.rev .sv{max-width:190px;margin:4px 0 8px}
.tag{font-weight:600}
.tag.ok{color:var(--good)} .tag.bad{color:var(--bad)} .tag.part{color:var(--bone-d)}
.mtab{width:100%;border-collapse:collapse;font-size:15px;margin:4px 0}
.mtab td{padding:4px 6px 4px 0;vertical-align:top;border-top:1px solid var(--line)}
.teacher{margin:22px 0 0}
.teacher ul{margin:6px 0 12px;padding-left:1.2em}
#confetti{position:fixed;inset:0;pointer-events:none;z-index:50}

/* ---------- pohyb ---------- */
@media (prefers-reduced-motion: no-preference){
  .vt.cur svg{transition:transform .15s}
  .feedback{animation:pop .22s ease-out}
  .opt.wrong{animation:shake .32s}
  .gnum{animation:pop .45s cubic-bezier(.2,1.6,.4,1)}
  @keyframes pop{from{transform:scale(.85);opacity:0}to{transform:none;opacity:1}}
  @keyframes shake{0%,100%{transform:none}25%{transform:translateX(-6px)}75%{transform:translateX(6px)}}
}

/* ---------- obrázky ---------- */
.sv{width:100%;max-width:290px;height:auto;display:block;margin:2px auto 16px}
.sv .o{stroke:var(--ink);stroke-width:2;stroke-linejoin:round}
.sv .b{fill:var(--bone)}
.sv .k{fill:var(--hoof)}
.sv .o2{stroke:var(--muscle);stroke-width:1.6}
.sv .mf{fill:var(--muscle-soft)}
.sv .st{stroke:var(--muscle);stroke-width:1.6;opacity:.55}
.sv .nu{fill:var(--muscle)}
.sv .tn{stroke:var(--ink);stroke-width:2;stroke-linecap:round}
.sv .fin{fill:var(--surface)}
.sv .finhl{fill:var(--muscle);stroke-width:3}
.sv .fbody{fill:var(--water)}
.sv .eye{fill:var(--ink)}
.sv .mem{fill:var(--membrane)}
.sv .flip{fill:var(--water)}
.sv .bo{stroke:var(--ink);stroke-width:7;stroke-linecap:round}
.sv .bi{stroke:var(--bone);stroke-width:4;stroke-linecap:round}
.sv text{fill:var(--ink);font:600 18px "Nunito",system-ui,sans-serif}
.sv .tooth{fill:var(--tooth)}
.sv .feather{fill:var(--feather)}
.sv .beak{fill:var(--hoof)}
.sv .duck{fill:var(--bone)}
.sv .eyew{fill:var(--surface)}
.sv .thin{stroke-width:1.4}
.sv .org{fill:var(--surface)}
.sv .orghl{fill:var(--muscle)}
.sv .tb-o{stroke:var(--ink);fill:none;stroke-linecap:round;stroke-linejoin:round}
.sv .tb-i{stroke:var(--surface);fill:none;stroke-linecap:round;stroke-linejoin:round}
.sv .tb-i.tb-h{stroke:var(--muscle)}
.sv .tb-i.tb-y{stroke:var(--bone)}
.sv .hl{fill:var(--bone)}
.sv .lbl{font:500 13px "Nunito",system-ui,sans-serif;fill:var(--muted)}
.sv .rbc{fill:var(--muscle)}
.sv .rbc2{fill:var(--muscle-soft)}
.sv .wbc{fill:var(--surface)}
.sv .nucl{fill:var(--nuc)}
.sv .plt{fill:var(--bone)}
.sv .plasma{fill:var(--part-soft)}
.sv .ring{fill:none;stroke:var(--ink);stroke-width:3;stroke-dasharray:6 5}
.sv .skin{stroke:var(--skin)}
.sv .skin2{fill:var(--skin2)}
.sv .tb-b{stroke:var(--bone);fill:none;stroke-linecap:round}
.sv .st2{fill:var(--muscle);opacity:.42}
.sv .fur{fill:var(--fur)}
.sv .skull{fill:var(--skull)}
.sv .eyes{fill:var(--surface)}
.sv .art{fill:var(--art)} .sv .vein{fill:var(--vein)}
.sv .tb-art{stroke:var(--art)} .sv .tb-vein{stroke:var(--vein)} .sv .tb-cap{stroke:var(--cap)}
.sv .halo{stroke:var(--bone);fill:none;stroke-linecap:round;stroke-linejoin:round;opacity:.95}
.sv .plt{fill:var(--plt)}
.sv img{max-width:100%}
.figimg{display:block;max-width:100%;max-height:260px;margin:2px auto 16px;border-radius:10px}
.sv .fib{fill:none;stroke:var(--muscle);stroke-width:1.2;opacity:.6}
.sv .fib{fill:none;stroke:var(--muscle);stroke-width:1.2;opacity:.6}

/* ---------- pracovný list ---------- */
.sheet{background:#fff;color:#111;border-radius:14px;padding:28px 30px;margin:0 0 18px;border:1px solid var(--line)}
.sheet h2{font-size:24px;margin:0 0 4px;color:#111}
.sheet .sub{color:#444}
.sheet .head{display:grid;grid-template-columns:1fr 1fr;gap:10px 24px;margin:14px 0 10px;font-size:15px}
.sheet .head span{display:flex;gap:8px;align-items:flex-end}
.sheet .head i{flex:1;border-bottom:1.5px solid #333;height:1.2em}
.sheet .scalemini{font-size:12px;color:#444;margin:0 0 14px}
.sheet .wq{break-inside:avoid;page-break-inside:avoid;padding:12px 0 12px;border-top:1px solid #ddd}
.sheet .wq .qn{font-weight:600}
.sheet .wq p{margin:0 0 6px}
.sheet .wq .ins{font-size:13px;color:#555;margin:0 0 4px}
.sheet .wopts{list-style:none;padding:0;margin:4px 0 0;display:grid;gap:4px}
.sheet .box{display:inline-block;width:13px;height:13px;border:1.5px solid #333;border-radius:3px;margin-right:8px;vertical-align:-2px}
.sheet .blank{display:inline-block;min-width:9em;border-bottom:1.5px solid #333}
.sheet .mt{width:100%;border-collapse:collapse;font-size:15px}
.sheet .mt td{padding:4px 8px 4px 0;vertical-align:top}
.sheet .sv{max-width:220px;margin:4px 0 8px}
.sheet .sv text{fill:#111}
.sheet .key ol{padding-left:1.4em;margin:0}
.sheet .key li{margin:0 0 4px}
.sheet .foot2{font-size:12px;color:#666;margin-top:14px}


/* pracovný list je vždy svetlý (aj v tmavom režime), aby sa dal tlačiť */
.sheet{--bg:#F1F7F7; --surface:#FFFFFF; --surface-2:#F5FAF7; --ink:#122023; --muted:#566A70; --line:#D3E2DB;
  --brand:#146E72; --brand-deep:#0F5A5E; --on-brand:#FFFFFF; --brand-soft:#E3F2F2; --brand-ink:#0F5A5E;
  --accent:#E5486D; --on-accent:#FFFFFF; --accent-soft:#FCE2E9;
  --bone:#F2B53C; --bone-d:#93650C; --hoof:#6E5A48;
  --muscle:#E5486D; --muscle-soft:#FBDDE5; --on-muscle:#FFFFFF;
  --good:#1E9457; --good-soft:#DBF3E4; --bad:#D4452B; --bad-soft:#FCE3DB; --part-soft:#FCEFCF;
  --membrane:#F0D6C4; --water:#D3E7F2; --tooth:#FFFDF6; --feather:#BBA78D; --nuc:#6E4FA0;
  --skin:#F2D7C3; --skin2:#EBC6AA; --fur:#6B5546; --skull:#F4E8CC; --art:#D2443E; --vein:#3C78C8; --cap:#9B5C9C; --plt:#B08CD0;
  --shadow:0 1px 0 rgba(21,49,58,.05),0 10px 24px -14px rgba(20,110,114,.35); color-scheme:light}

/* ---------- tlač ---------- */
@media print{
  :root:not([data-print]){--bg:#F1F7F7; --surface:#FFFFFF; --surface-2:#F5FAF7; --ink:#122023; --muted:#566A70; --line:#D3E2DB;
  --brand:#146E72; --brand-deep:#0F5A5E; --on-brand:#FFFFFF; --brand-soft:#E3F2F2; --brand-ink:#0F5A5E;
  --accent:#E5486D; --on-accent:#FFFFFF; --accent-soft:#FCE2E9;
  --bone:#F2B53C; --bone-d:#93650C; --hoof:#6E5A48;
  --muscle:#E5486D; --muscle-soft:#FBDDE5; --on-muscle:#FFFFFF;
  --good:#1E9457; --good-soft:#DBF3E4; --bad:#D4452B; --bad-soft:#FCE3DB; --part-soft:#FCEFCF;
  --membrane:#F0D6C4; --water:#D3E7F2; --tooth:#FFFDF6; --feather:#BBA78D; --nuc:#6E4FA0;
  --skin:#F2D7C3; --skin2:#EBC6AA; --fur:#6B5546; --skull:#F4E8CC; --art:#D2443E; --vein:#3C78C8; --cap:#9B5C9C; --plt:#B08CD0;
  --shadow:0 1px 0 rgba(21,49,58,.05),0 10px 24px -14px rgba(20,110,114,.35); color-scheme:light}
  body{background:#fff}
  body::before,#confetti{display:none}
  .noprint,.qtop,.actionbar{display:none !important}
  .wrap{max-width:none;padding:0}
  .card{border:1px solid #ccc;box-shadow:none;break-inside:avoid}
  .rhero{margin:0 0 12px;border-radius:12px;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .sheet{border:0;padding:0;margin:0;border-radius:0}
  .pb{break-before:page;page-break-before:always}
  .rev{break-inside:avoid}
}

/* ---------- verzia 3: nové typy otázok a nástroje ---------- */
.h3{font:600 17px "Nunito",system-ui,sans-serif;margin:0 0 6px}
.sel{padding:8px 10px;border-radius:10px;border:2px solid var(--line);background:var(--surface-2);font-size:15px}
.vbox{width:100%;padding:10px 12px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);font:14px/1.4 "Nunito",system-ui,sans-serif;resize:vertical}
.vres{font-weight:600;margin:6px 0 0;min-height:1.2em}
.vres.ok{color:var(--good)} .vres.bad{color:var(--bad)}
.row2{display:flex;flex-wrap:wrap;gap:10px}
.filebtn{cursor:pointer}
.tname{width:100%;padding:12px;border-radius:14px;border:2px solid var(--line);background:var(--surface-2);font-size:17px}
.limitinfo{display:flex;gap:10px;align-items:flex-start;background:var(--part-soft);border-radius:14px;padding:12px 14px}
.limitinfo svg{width:22px;height:22px;flex:none;margin-top:1px}
.timer{display:inline-flex;align-items:center;gap:5px;font:600 16px "Nunito",system-ui,sans-serif;padding:5px 10px;border-radius:999px;background:var(--surface);border:2px solid var(--line)}
.timer svg{width:16px;height:16px}
.timer.low{color:var(--bad);border-color:var(--bad);background:var(--bad-soft)}
.qhead{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.qtools{display:flex;gap:6px;flex:none;margin:-4px -4px 0 0}
.tool{width:38px;height:38px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);cursor:pointer;display:grid;place-items:center;color:var(--ink)}
.tool svg{width:20px;height:20px}
.tool.aa{font:600 16px "Nunito",system-ui,sans-serif}
.tool[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.opt.multi .box{border-radius:7px;font-size:17px}
.opt.missed{border-style:dashed;border-color:var(--good)}
.opt.missed .let{border-color:var(--good)}
.opt small{color:var(--muted)}
.order{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.ordrow{display:flex;align-items:center;gap:12px;background:var(--surface-2);border:2px solid var(--line);border-radius:16px;padding:8px 8px 8px 12px}
.ordrow .pos{flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font:600 15px "Nunito",system-ui,sans-serif;background:var(--brand-soft);color:var(--brand-ink)}
.ordrow .txt{flex:1;line-height:1.3}
.ordrow .txt small{display:block;color:var(--bad);font-size:13px}
.ordrow .mv{display:flex;gap:6px;flex:none}
.mvb{width:40px;height:40px;border-radius:12px;border:2px solid var(--line);background:var(--surface);cursor:pointer;display:grid;place-items:center;color:var(--ink)}
.mvb svg{width:16px;height:16px}
.mvb[disabled]{opacity:.3;cursor:default}
.ordrow.ok{border-color:var(--good);background:var(--good-soft)} .ordrow.ok .pos{background:var(--good);color:#fff}
.ordrow.no{border-color:var(--bad);background:var(--bad-soft)} .ordrow.no .pos{background:var(--bad);color:#fff}
.typo{color:var(--bone-d)}
.feedback .exp.dim{color:var(--muted);font-size:15px}
.vcode{margin:12px 0 0;font-size:14px;opacity:.95}
.vcode b{font:600 17px "Nunito",system-ui,sans-serif;letter-spacing:.06em;background:rgba(255,255,255,.18);padding:2px 8px;border-radius:8px}
.bigtext .wrap{zoom:1.16}
.sheet .nbox{display:inline-block;width:26px;height:20px;border:1.5px solid #333;border-radius:4px;margin-right:10px;vertical-align:-4px}
@media print{.bigtext .wrap{zoom:1}}

/* ---------- verzia 4 ---------- */
.daily .drow{display:flex;justify-content:space-between;align-items:center;gap:12px}
.daily h2,.est h2{margin:0 0 2px}
.dtext{margin:0;color:var(--muted)}
.bar.big{display:flex;margin:12px 0 0} .bar.big i{height:10px;border-radius:6px}
.erow{display:flex;gap:14px;align-items:center;margin-top:8px}
.enum{flex:none;width:58px;height:58px;border-radius:50%;display:grid;place-items:center;font:600 34px "Nunito",system-ui,sans-serif;color:#fff;background:var(--brand)}
.enum.g3{background:#C98A12} .enum.g4,.enum.g5{background:#C2442E}
.eword{margin:0}
.dchip{display:inline-flex;align-items:center;gap:3px;font-size:12px;color:var(--muted);margin:0 0 6px}
.dchip i{width:7px;height:7px;border-radius:50%;background:var(--line);display:inline-block}
.dchip i:last-of-type{margin-right:5px}
.dchip.d1 i:nth-child(1),.dchip.d2 i:nth-child(-n+2),.dchip.d3 i{background:var(--bone)}
.badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px}
.badge2{display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:12px;border-radius:16px;border:2px dashed var(--line);opacity:.62}
.badge2.on{opacity:1;border-style:solid;border-color:var(--bone);background:var(--part-soft)}
.badge2 b{font:600 15px "Nunito",system-ui,sans-serif}
.badge2 small{color:var(--muted);font-size:12.5px;line-height:1.3}
.medal{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font:600 15px "Nunito",system-ui,sans-serif;background:var(--line);color:var(--muted)}
.badge2.on .medal{background:var(--bone);color:#3A2600;box-shadow:0 0 0 4px color-mix(in srgb,var(--bone) 35%,transparent)}
.newbadge{display:grid;gap:10px;margin:16px 0 0}
.newbadge .badge2{flex-direction:row;align-items:center;gap:14px}
.newbadge .badge2 div{display:flex;flex-direction:column}
.sheetopts{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:6px 16px 4px;margin:0 0 16px}
.sheet .grp{display:inline-block;margin-left:10px;padding:2px 12px;border:2px solid #111;border-radius:8px;font-size:20px}
.sheet .kd{color:#777}
/* rýchla oprava a QR na samoopravu (od 6.23) */
.sheet .kh{font-size:15px;margin:14px 0 6px;color:#111}
.sheet .kgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:4px 14px;border:1.5px solid #333;border-radius:8px;padding:10px 12px;margin:0 0 6px;font-size:15px}
.sheet .kgrid span{break-inside:avoid}
.sheet .sqr{width:96px;height:96px}
.sheet .sqr.big{width:180px;height:180px;margin:6px 0}
.sheet .sqr svg{width:100%;height:100%;display:block}
.sheet .sqr .note{font-size:11px}
.sheet .selfrow{display:flex;gap:14px;align-items:center;border-top:1px solid #ddd;padding-top:12px;margin-top:6px;font-size:13px;break-inside:avoid;page-break-inside:avoid}
.sheet .selfrow p{margin:0}
.sheet .sqrgrid{display:flex;flex-wrap:wrap;gap:24px 40px;margin-top:14px}
.sheet .sqrgrid .grp{margin:0 0 4px}
@media (prefers-reduced-motion: no-preference){.newbadge .medal{animation:pop .5s cubic-bezier(.2,1.6,.4,1)}}

/* ---------- verzia 5: prehľad triedy a banka otázok ---------- */
.tstats{display:flex;flex-wrap:wrap;gap:6px 22px;margin:4px 0 10px}
.tstats b{font:600 24px "Nunito",system-ui,sans-serif;margin-right:5px}
.gdist{display:flex;gap:10px;align-items:flex-end;margin:6px 0 4px}
.gdist div{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px}
.gbar{display:block;width:100%;max-width:44px;border-radius:8px 8px 3px 3px;background:var(--brand)}
.gdist div:nth-child(3) .gbar{background:#C98A12} .gdist div:nth-child(4) .gbar,.gdist div:nth-child(5) .gbar{background:#C2442E}
.gdist small{color:var(--muted);font-size:12px}
.tscroll{overflow-x:auto}
.ttab{width:100%;border-collapse:collapse;font-size:15px}
.ttab th{text-align:left;font-size:13px;color:var(--muted);font-weight:500;padding:6px 6px 6px 0}
.ttab td{padding:8px 6px 8px 0;border-top:1px solid var(--line);vertical-align:top}
.ttab td small{color:var(--muted);font-size:12px}
.ttab tr.tampered td{background:var(--bad-soft)}
.qstat{display:grid;gap:12px}
.qs{border-left:5px solid var(--line);padding:2px 0 2px 12px}
.qsh{display:flex;align-items:center;gap:10px;margin:0 0 4px}
.qpct{font:600 16px "Nunito",system-ui,sans-serif;padding:2px 9px;border-radius:999px;color:#fff}
.qpct.low{background:#C2442E} .qpct.mid{background:#C98A12} .qpct.hi{background:var(--good)}
.qmeta{font-size:13px;color:var(--muted)}
.qtx{margin:0 0 4px;font-weight:500}
.qans,.qd{margin:0 0 2px;font-size:14px}
.qd{color:var(--muted)}
.bfilters .frow{display:flex;flex-wrap:wrap;gap:12px;margin:12px 0 0}
.bfilters .frow label{display:flex;align-items:center;gap:8px;font-size:15px}
.blist{display:grid;gap:10px;margin:16px 0 0}
.bq{display:flex;gap:12px;background:var(--surface);border:2px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
.bq.on{border-color:var(--accent);background:var(--accent-soft)}
.bsel{flex:none;width:40px;height:40px;border-radius:12px;border:2px solid var(--line);background:var(--surface-2);font:600 20px "Nunito",system-ui,sans-serif;cursor:pointer;color:var(--ink)}
.bq.on .bsel{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.bbody{flex:1;min-width:0}
.bmeta{margin:0 0 4px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.bmeta .dchip{margin:0}
.bfig .sv{max-width:160px;margin:4px 0 8px}
.btx{margin:0 0 6px;font-weight:500}
.bans{margin:0 0 4px;font-size:15px}
.bans small{color:var(--muted)}
.bexp{margin:0;font-size:14px;color:var(--muted)}

/* ---------- verzia 6: zhrnutie a kartičky ---------- */
.modes{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (min-width:600px){.modes{grid-template-columns:repeat(4,minmax(0,1fr))}}
.sumbtn{margin-top:12px;justify-content:flex-start;gap:12px}
.sumbtn svg{width:22px;height:22px;flex:none;color:var(--brand-ink)}
.sumch{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:20px;margin:18px 0 0;box-shadow:var(--shadow)}
.sumch h2 small{font:400 14px "Nunito",system-ui,sans-serif;color:var(--muted)}
.sumintro{font-size:17px;margin:0 0 6px}
.sumsec{border-top:1px solid var(--line);padding-top:12px;margin-top:12px;break-inside:avoid}
.sumsec h3{font:600 18px "Nunito",system-ui,sans-serif;margin:0 0 6px;display:flex;align-items:center;gap:8px}
.sumgrid ul{margin:0;padding-left:1.15em}
.sumgrid li{margin:0 0 6px;line-height:1.45}
.sumgrid.hasfig{display:grid;grid-template-columns:1fr;gap:6px}
@media (min-width:600px){.sumgrid.hasfig{grid-template-columns:1fr 200px;align-items:start}}
.sumfig .sv{max-width:200px;margin:0 auto}
.gloss{display:grid;grid-template-columns:minmax(0,11em) 1fr;gap:6px 14px;margin:0;font-size:15px}
.gloss dt{font-weight:600}
.gloss dd{margin:0;color:var(--ink)}
@media (max-width:440px){.gloss{grid-template-columns:1fr;gap:0}.gloss dd{margin:0 0 8px;color:var(--muted)}}
.tool.small{width:30px;height:30px;border-radius:9px}
.tool.small svg{width:16px;height:16px}
.flashwrap{perspective:1200px;margin:18px 0 8px}
.flash{position:relative;display:block;width:100%;min-height:300px;border:0;padding:0;background:none;cursor:pointer;transform-style:preserve-3d;transition:transform .45s ease}
.flash.flipped{transform:rotateY(180deg)}
.flash .face{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:14px;text-align:center;padding:26px 22px;border-radius:26px;backface-visibility:hidden;-webkit-backface-visibility:hidden;box-shadow:var(--shadow)}
.flash .front{background:var(--surface);border:2px solid var(--line)}
.flash .back{background:var(--brand);color:var(--on-brand);transform:rotateY(180deg)}
.flash small{font-size:13px;opacity:.75}
.flash b{font:600 26px/1.25 "Nunito",system-ui,sans-serif}
.flash .back b{font-size:23px}
.flash em{font-style:normal;font-size:14px;opacity:.75;max-width:30em}
.cardtools{display:flex;justify-content:center;gap:8px}
@media (prefers-reduced-motion: reduce){.flash{transition:none}}
@media print{.sumch{box-shadow:none;border:0;padding:0}.sumgrid.hasfig{grid-template-columns:1fr 160px}.sumfig .sv{max-width:160px}}

/* ---------- verzia 6.1: telefóny, tablety, staršie zariadenia ---------- */
/* náhradné farby pre staršie Safari (iOS/iPadOS starší než 16.2 nepozná color-mix) */
@supports not (color: color-mix(in srgb, red 50%, blue)){
  .btn.primary{box-shadow:0 6px 0 -1px rgba(0,0,0,.35)}
  .btn.primary:active{box-shadow:0 3px 0 -1px rgba(0,0,0,.35)}
  .hero .sub{color:rgba(11,31,33,.85)}
  .hero .chip,.hero .namefield{background:rgba(255,255,255,.4);color:#0B1F21}
  .hero .namefield::placeholder{color:rgba(11,31,33,.7)}
  .hero .linkbtn{color:rgba(11,31,33,.9)}
  .mastery .vt .bd,.mastery .vt .sp{fill:rgba(255,255,255,.2)}
  .mastery .vt.done .bd,.mastery .vt.done .sp{stroke:#9A6C10}
  .badge2.on .medal{box-shadow:0 0 0 4px rgba(242,181,60,.35)}
}
@supports not (inset:0){
  body::before{top:0;left:0;right:0}
  #confetti,.flash .face{top:0;right:0;bottom:0;left:0}
}
/* dotyk: bez dvojitého ťuknutia na priblíženie, bez sivého záblesku, dostatočne veľké ciele */
button,.btn,.chip,.opt,.chap,.mode,select,label{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
@media (pointer:coarse){
  .xbtn,.tool,.mvb,.bsel{min-width:44px;min-height:44px}
  .tool.small{min-width:36px;min-height:36px}
  .chip{padding:11px 16px}
  .linkbtn{padding:10px 0}
  .check input[type=checkbox],.check input[type=radio]{width:24px;height:24px}
}
/* iPhone/iPad priblíži stránku pri písaní do políčka s písmom menším ako 16 px – všetky polia majú aspoň 16 px */
input,select,textarea,.mrow select,.sel,.vbox,.linkbox input,.send input{font-size:16px}
/* tablety a väčšie obrazovky (iPad na výšku má 768–834 px) */
@media (min-width:760px){
  .wrap{max-width:900px;padding-left:24px;padding-right:24px}
  .hero,.rhero{margin:18px 0 0;border-radius:28px;padding:26px 28px}
  .homegrid{grid-template-columns:1fr 1fr;align-items:start}
  .chapters{grid-template-columns:1fr 1fr}
  .qcard,.qtop,.actionbar,.flashwrap,.cardtools{max-width:760px;margin-left:auto;margin-right:auto}
  .qtop{padding-left:0;padding-right:0}
  .opts.two{grid-template-columns:1fr 1fr}
  .flash{min-height:340px}
  .blist{grid-template-columns:1fr 1fr}
  .bq{align-items:flex-start}
  .sumgrid.hasfig{grid-template-columns:1fr 240px}
  .sumfig .sv{max-width:240px}
}
@media (min-width:1180px){.wrap{max-width:980px}}
/* telefón na šírku: úspornejšie hlavičky */
@media (max-height:500px) and (orientation:landscape){
  .qtop{padding:6px 0}
  .qtop .bar1{margin-bottom:4px}
  .actionbar{padding-top:8px}
  .flash{min-height:220px}
}
/* QR kód */
.qrmodal{position:fixed;top:0;left:0;right:0;bottom:0;z-index:60;background:rgba(10,25,22,.62);display:flex;align-items:center;justify-content:center;padding:20px}
.qrbox{background:#fff;color:#122023;border-radius:24px;padding:22px;max-width:440px;width:100%;text-align:center;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.qrimg svg{width:100%;max-width:340px;height:auto;display:block;margin:0 auto}
.qrurl{font-size:12.5px;word-break:break-all;color:#566A70;margin:10px 0 6px}
.qrbox .note{color:#566A70}
.linkacts{margin-top:8px}
.linkwarn{margin-top:10px}
/* mriežky sa nesmú roztiahnuť širšie než obrazovka (dlhé odkazy, tabuľky) */
.stack{grid-template-columns:minmax(0,1fr)}
.stack>*,.modes>*,.chapters>*,.blist>*{min-width:0}
@media (min-width:760px){.homegrid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}
.linkbox input{min-width:0;width:100%}
.result-head>div{min-width:0}
.gword{overflow-wrap:break-word}
@media (max-width:370px){
  .gnum{width:80px;height:80px;font-size:52px}
  .gword{font-size:22px}
  .rhero,.hero{padding-left:16px;padding-right:16px}
  .enum{width:50px;height:50px;font-size:28px}
}
pre.diag{white-space:pre-wrap;word-break:break-word;font-size:12px;background:var(--surface-2);border:1px solid var(--line);border-radius:10px;padding:10px;max-height:320px;overflow:auto}
/* úvodný text pred spustením: vysvetlenie sa ukáže až po 2,5 s (ak aplikácia nebeží, napr. v náhľade súboru na iPhone/iPade) */
.boot{padding-top:24px}
.bootinfo{opacity:0;animation:bootshow .01s 2.5s forwards;background:#fff;border:1px solid #D3E2DB;border-radius:18px;padding:18px 20px;margin-top:12px;color:#122023}
.bootinfo h1{font-size:28px;margin:0 0 8px}
@keyframes bootshow{to{opacity:1}}

/* ---------- celky a skupiny kapitol ---------- */
.celky{display:grid;gap:12px}
.celok{border:2px solid var(--line);border-radius:20px;background:var(--surface-2);overflow:hidden}
.celok>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto auto;gap:6px 14px;align-items:center;padding:14px 16px;background:var(--surface)}
.celok>summary::-webkit-details-marker{display:none}
.celok>summary::after{content:"";width:10px;height:10px;border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);transform:rotate(45deg);margin:-4px 4px 0 0;transition:transform .2s}
.celok[open]>summary::after{transform:rotate(-135deg);margin-top:4px}
.celok>summary .ct b{display:block;font:600 17px/1.25 "Nunito",system-ui,sans-serif}
.celok>summary .ct small{color:var(--muted);font-size:13px}
.celok .cbar{display:flex;align-items:center;gap:8px;min-width:96px}
.celok .cbar i{flex:1;height:8px;border-radius:99px;background:var(--line);overflow:hidden;display:block}
.celok .cbar i span{display:block;height:100%;background:var(--brand)}
.celok .cbar small{font-size:12.5px;color:var(--muted);min-width:34px;text-align:right}
.celok .cin{padding:4px 12px 14px}
.celok .crow{margin:4px 4px 6px}
.skup{margin-top:8px}
.skup h3{font-size:14px;font-weight:600;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin:10px 6px 8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.skup h3 .linkbtn{text-transform:none;letter-spacing:0;font-size:13.5px}
.chiphead{font-size:13px;font-weight:600;color:var(--muted);margin:10px 2px 4px}
@media (max-width:420px){.celok>summary{grid-template-columns:1fr auto}.celok .cbar{grid-column:1 / -1;grid-row:2}.celok>summary::after{grid-column:2;grid-row:1}}
.celok .chapters{gap:8px}
.celok .chap{padding:9px 12px;border-radius:14px;box-shadow:none;gap:2px 10px}
.celok .chap .num{width:32px;height:32px;font-size:16px;border-radius:10px}
.celok .chap .nm{font-size:15px}
.celok .chap .meta{font-size:12px}
/* rozbaľovacie témy (skupiny) vnútri celku */
.skup{margin-top:8px;border:1.5px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}
.skup>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto auto;gap:4px 12px;align-items:center;padding:11px 14px}
.skup>summary::-webkit-details-marker{display:none}
.skup>summary::after{content:"";width:8px;height:8px;border-right:2px solid var(--muted);border-bottom:2px solid var(--muted);transform:rotate(45deg);margin:-3px 4px 0 0;transition:transform .2s}
.skup[open]>summary::after{transform:rotate(-135deg);margin-top:3px}
.skup>summary .st b{display:block;font-weight:600;font-size:15.5px;line-height:1.25}
.skup>summary .st small{color:var(--muted);font-size:12.5px}
.skup .cbar{min-width:80px}
.skup .sin{padding:0 10px 12px;background:var(--surface-2)}
.skup .sin .crow{margin:8px 4px 6px}
.skup[open]>summary{border-bottom:1.5px solid var(--line)}
@media (max-width:420px){.skup>summary{grid-template-columns:1fr auto}.skup .cbar{grid-column:1 / -1;grid-row:2}.skup>summary::after{grid-column:2;grid-row:1}}
/* ---------- karta učebnice ---------- */
.bookchip{display:inline-flex;align-items:center;gap:6px}
.bookchip svg{width:16px;height:16px}
.bookbox{text-align:left;max-height:88vh;overflow:auto}
.bookbox h2{margin:14px 0 8px;font-size:19px;color:#122023}
.bookimg{display:block;max-width:180px;max-height:250px;margin:0 auto;border-radius:6px;box-shadow:0 8px 22px rgba(0,0,0,.25)}
.bookart{position:relative;display:flex;flex-direction:column;justify-content:flex-start;gap:6px;width:160px;height:220px;margin:0 auto;padding:22px 16px 16px 26px;border-radius:6px 12px 12px 6px;background:var(--bk);color:#fff;box-shadow:0 10px 24px rgba(0,0,0,.28)}
.bookart .bkspine{position:absolute;left:0;top:0;bottom:0;width:12px;border-radius:6px 0 0 6px;background:rgba(0,0,0,.22)}
.bookart .bklabel{font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.85}
.bookart b{font:600 24px/1.1 "Nunito",system-ui,sans-serif}
.bookart .bkgrade{font-size:15px;font-weight:600}
.bookart .bkpub{margin-top:auto;font-size:11px;opacity:.85}
.booktab{width:100%;border-collapse:collapse;font-size:14px;margin:4px 0 10px}
.booktab th{text-align:left;color:#566A70;font-weight:600;padding:5px 10px 5px 0;vertical-align:top;white-space:nowrap}
.booktab td{padding:5px 0;color:#122023}
.bookbox .note{text-align:left}
.bookhead{display:flex;gap:14px;align-items:center}
@media (max-width:480px){.bookart{width:112px;height:154px;padding:14px 10px 10px 18px}.bookart b{font-size:18px}.bookart .bkgrade{font-size:12.5px}.bookimg{max-width:120px;max-height:170px}}
.bookhead .bookart,.bookhead .bookimg{margin:0;flex:none}
.bookhead h2{margin:0;font-size:20px}
.bookhead h2 small{display:block;font-size:13px;font-weight:400;color:#566A70;margin-top:4px;font-family:system-ui,sans-serif}
.bookbox .booktab{margin-top:14px}
/* ---------- výpočtové otázky ---------- */
.calc-line{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:18px;margin:6px 0 4px}
.calc-line label{font-weight:600}
.calc-line .calcin{width:9.5em;max-width:60vw;font-size:20px;font-weight:600;line-height:1.2;font-family:inherit;padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);text-align:right}
.calc-line .calcin:focus{outline:3px solid var(--brand);outline-offset:1px}
.calc-line .calcin.ok{border-color:var(--good);background:var(--good-soft)}
.calc-line .calcin.no{border-color:var(--bad);background:var(--bad-soft)}
.calc-line .unit{font-weight:600;min-width:1em}
ol.steps{margin:8px 0 6px 0;padding-left:1.4em;line-height:1.55}
ol.steps li{margin:3px 0;font-variant-numeric:tabular-nums}
.steps-h{margin:10px 0 0;font-weight:600}
.calcspace{height:5.5em;border-left:2px solid #ddd;margin:6px 0 6px 4px}
@media print{.calcspace{height:6em}}
/* ---------- otázky „Ukáž na obrázku“ ---------- */
.hotfig{position:relative;max-width:360px;margin:4px auto 6px;touch-action:manipulation;-webkit-tap-highlight-color:transparent}
.hotfig .sv{max-width:100%;margin:0 auto}
.hotfig svg *{pointer-events:none}
.hotfig svg [data-part],.hotfig svg [data-part] *{pointer-events:visiblePainted;cursor:pointer}
.hotfig.done svg [data-part],.hotfig.done svg [data-part] *{cursor:default}
.hotres .hotfig{max-width:220px;margin:4px 0 6px}
/* výber zo zoznamu: skrytý pre oči, dostupný pre čítačku obrazovky; pri ovládaní klávesnicou sa ukáže */
.sr-only-focusable{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sr-only-focusable:focus-within{position:static;width:auto;height:auto;clip:auto;white-space:normal;display:flex;flex-wrap:wrap;gap:6px;margin:8px 0}
/* ---------- plán do písomky ---------- */
.plan .drow{display:flex;justify-content:space-between;align-items:baseline;gap:10px}
.plan .datein{font-size:18px;padding:10px 12px;border:2px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);margin-top:6px;min-height:46px}
.plan .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.plan .bar{margin:4px 0 10px}
.cal{display:flex;flex-wrap:wrap;gap:5px;margin:12px 0 4px}
.cal .d,.calleg .d{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;width:34px;height:40px;border-radius:9px;font-weight:700;font-size:14px;line-height:1.05;border:2px solid transparent;background:var(--surface-2);color:var(--ink)}
.cal .d small{font-weight:500;font-size:10px;opacity:.75}
.cal .d.ok{background:var(--good);color:#fff}
.cal .d.part{background:var(--part-soft);border-color:var(--accent)}
.cal .d.miss{background:var(--bad-soft);color:var(--bad)}
.cal .d.future{background:transparent;border-color:var(--line)}
.cal .d.test{background:var(--brand-soft);border-color:var(--brand)}
.cal .d.today{box-shadow:0 0 0 3px var(--brand)}
.calleg{font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;align-items:center;gap:4px 8px;margin:4px 0 0}
.calleg .d{width:14px;height:14px;border-radius:4px;display:inline-block}
.calleg .d.ok{background:var(--good)}.calleg .d.part{background:var(--part-soft);border:2px solid var(--accent)}.calleg .d.miss{background:var(--bad-soft)}.calleg .d.future{border:2px solid var(--line);background:transparent}
.calleg .li{display:inline-flex;align-items:center;gap:4px;white-space:nowrap}
/* ---------- prehľad pre rodiča ---------- */
.rodic h1{font-size:26px;margin:0 0 4px}
.rodic .card{margin-bottom:14px}
.rodic .meta{color:var(--muted);margin:0 0 10px}
.rodic .ctx .chip{background:var(--surface-2);color:var(--ink);border-color:var(--line)}
.rodic .ctx .chip[aria-pressed="true"]{background:var(--brand);color:var(--on-brand);border-color:var(--brand)}
.rstats{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:6px 0 12px}
.rstats p{margin:0;background:var(--surface-2);border-radius:12px;padding:10px;text-align:center;line-height:1.25}
.rstats b{font-size:24px}.rstats small{color:var(--muted)}
@media (max-width:520px){.rstats{grid-template-columns:repeat(2,1fr)}}
.rchart{position:relative;display:flex;align-items:stretch;gap:3px;height:144px}
.rchart .rb{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;min-width:0}
.rchart .rbar{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center}
.rchart .rv{display:block;width:100%;max-width:26px;background:var(--brand-soft);border:1.5px solid var(--brand);border-radius:6px 6px 2px 2px}
.rchart .rb.met .rv{background:var(--good);border-color:var(--good)}
.rchart small{flex:none;font-size:10px;color:var(--muted);text-align:center;line-height:1.1;height:30px;margin-top:3px;white-space:nowrap}
.rchart .gl{position:absolute;left:0;right:0;border-top:2px dashed var(--accent);opacity:.7}
.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
.rtab{width:100%;border-collapse:collapse;font-size:15px}
.rtab th,.rtab td{padding:7px 6px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.rtab th{font-size:13px;color:var(--muted);font-weight:600}
.rtab .r{text-align:right;white-space:nowrap}
.rtab small{color:var(--muted)}
.rweak{padding-left:1.3em;line-height:1.45}.rweak li{margin:0 0 10px}.rweak small{color:var(--muted)}
@media print{
  .rodic .card{box-shadow:none!important;border:1px solid #ccc;break-inside:avoid;page-break-inside:avoid}
  .rchart .rv{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  .rodic .rstats p{-webkit-print-color-adjust:exact;print-color-adjust:exact}
}
.rchart .rv.z{border:0;height:0!important}
.rtab th.r{white-space:normal}
@media (max-width:520px){.rtab{font-size:14px}.rtab th,.rtab td{padding:6px 4px}}
/* ---------- výber kapitol: pruh „Vybrané“ a odznaky v hlavičkách ---------- */
.selpanel{background:var(--surface);border:2px solid var(--brand);border-radius:16px;padding:12px 14px;margin:0 0 12px}
.selpanel.empty{border-color:var(--accent);background:var(--part-soft)}
.selpanel .spt{margin:0 0 8px;font-size:17px}
.selpanel .spa{margin:8px 0 0;font-size:14px}
.selchips{display:flex;flex-wrap:wrap;gap:6px}
.selchips>span{max-width:100%}
.selchip{display:inline-flex;align-items:center;gap:6px;max-width:100%;min-height:36px;padding:5px 8px 5px 10px;border-radius:999px;border:1.5px solid var(--brand);background:var(--brand-soft);color:var(--ink);font:inherit;font-size:14px;cursor:pointer;text-align:left}
.selchip b{flex:none}
.selchip .sn{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.selchip i{flex:none;font-style:normal;font-weight:700;font-size:16px;line-height:1;width:20px;height:20px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:var(--on-brand)}
.selrow{display:flex;flex-wrap:wrap;align-items:center;gap:5px;margin-top:5px}
.selbadge{display:inline-block;background:var(--brand);color:var(--on-brand);font-weight:700;font-size:12.5px;border-radius:999px;padding:3px 9px;white-space:nowrap}
.sumchips{display:contents}
.sumchip{display:inline-block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:12px;border:1px solid var(--brand);color:var(--ink);background:var(--brand-soft);border-radius:999px;padding:2px 8px}
details[open]>summary .sumchips{display:none}
@media print{.selpanel{display:none}}
.celok>summary,.skup>summary{grid-template-columns:minmax(0,1fr) auto auto}
.celok>summary>.ct,.skup>summary>.st{min-width:0}
.selrow{min-width:0;max-width:100%}
@media (max-width:420px){.celok>summary{grid-template-columns:minmax(0,1fr) auto}}
/* ---------- ilustrácie k učeniu (v6.16): očíslované body a legenda ---------- */
.ilubox{margin:12px 0 4px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface);overflow:hidden}
.ilubox>summary{cursor:pointer;padding:10px 14px;font-weight:600;color:var(--ink);list-style:none;display:flex;align-items:center;gap:8px}
.ilubox>summary::-webkit-details-marker{display:none}
.ilubox>summary .ilic{width:20px;height:20px;flex:none;color:var(--brand)}
.ilubox>summary>span{flex:1;min-width:0}
.ilubox>summary::after{content:"▾";margin-left:auto;color:var(--muted);transition:transform .15s}
.ilubox[open]>summary::after{transform:rotate(180deg)}
.ilubox .ilu{margin:0;padding:4px 14px 14px}
.ilu{margin:0;max-width:460px}
.ilu .sv{max-width:100%;width:100%;margin:0 auto 6px}
.ilu .ill{stroke:var(--muted);stroke-width:1.5;fill:none}.ilu .illh{stroke:var(--accent);stroke-width:2.6}
.ilu .ild{fill:var(--muted)}.ilu .ildh{fill:var(--accent)}
.ilu .iln{fill:var(--surface);stroke:var(--muted);stroke-width:1.8}.ilu .ilnh{fill:var(--accent);stroke:var(--accent)}
.ilu .ilnt{fill:var(--ink)}.ilu .ilnth{fill:var(--on-accent)}
.ileg{list-style:none;padding:0;margin:4px 0 0;display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:4px 12px;font-size:15px;line-height:1.35;color:var(--ink)}
.ileg li{display:flex;align-items:center;gap:7px}
.ileg span{flex:none;display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1.8px solid var(--muted);font-weight:700;font-size:13px}
.ileg li.on{font-weight:800;color:var(--accent)}.ileg li.on span{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.ilcap{margin:2px 0 0;font-weight:700;text-align:center;color:var(--ink)}
.ilnote{font-size:13px;color:var(--muted);margin:8px 0 0;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.ilnote .sw{width:12px;height:12px;border-radius:3px;display:inline-block}
.rev .ilubox{margin-top:8px}
@media print{.ilubox{display:none}}

/* ---------- značka emaem ---------- */
.brandrow{display:flex;flex-direction:column;align-items:flex-start;gap:2px;margin:0 0 12px}
.brandlogo{display:block;width:132px;height:auto}
.brandseg{font-size:11px;font-weight:800;letter-spacing:.32em;text-transform:uppercase;color:var(--on-brand)}
.plogo{float:right;width:110px;height:auto;margin:0 0 6px 12px}
.printonly{display:none}
.brandfoot{text-align:center;font-size:13px}
.brandfoot a{color:var(--brand-ink)}
@media print{.printonly{display:block}.plogo{width:96px}.brandrow{display:none}}

/* ===== Úvod so spodnou lištou (od verzie 6.24): Domov · Precvičuj · Pokrok · Viac ===== */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));background:var(--surface);border-top:1px solid var(--line);padding:6px 8px calc(8px + env(safe-area-inset-bottom,0px))}
.tabbar button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;min-height:52px;background:none;border:0;color:var(--muted);font:700 12px "Nunito",system-ui,sans-serif;cursor:pointer;padding:2px 0;border-radius:14px}
.tabbar .ti{width:56px;height:30px;border-radius:999px;display:grid;place-items:center}
.tabbar svg{width:22px;height:22px}
.tabbar [aria-current="page"]{color:var(--brand-ink);font-weight:800}
.tabbar [aria-current="page"] .ti{background:var(--brand-soft)}
.tabbar button:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.navbrand{display:none}
.homebar{position:fixed;left:0;right:0;bottom:calc(66px + env(safe-area-inset-bottom,0px));z-index:29;padding:10px 16px 12px;background:var(--bg);border-top:1px solid var(--line)}
.homebar .btn{display:flex;width:100%;max-width:648px;margin:0 auto}
.homebar .btn small{font-size:14px;font-weight:700;opacity:.88;margin-left:2px}
.wrap.home{padding-bottom:calc(170px + env(safe-area-inset-bottom,0px))}
.tab-viac .wrap.home{padding-bottom:calc(100px + env(safe-area-inset-bottom,0px))}
.home .resume{margin:14px 0 0}
.hero .tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:14px 0 0}
.hero .tiles span{background:#B8DBDD;border-radius:14px;padding:8px 10px;display:flex;flex-direction:column;font-size:12.5px;font-weight:600;color:var(--on-brand);line-height:1.25}
.hero .tiles b{font-size:20px;font-weight:800}
.pagehead{padding:20px 0 4px}
.pagehead h1{margin:0;font-size:28px}
.pagectx{display:flex;flex-wrap:wrap;gap:8px;margin:6px 0 0}
.grouph{font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin:22px 2px 0}
.starthere{margin-top:16px}
.starthere h2{margin:0 0 2px}
.starthere .step{display:flex;align-items:center;gap:8px;font-weight:700;margin:16px 0 8px}
.starthere .stepn{width:22px;height:22px;border-radius:999px;background:var(--ink);color:var(--surface);font-size:12px;font-weight:800;display:inline-grid;place-items:center;flex:none}
.starthere .ctx{display:flex;flex-wrap:wrap;gap:8px}
.mchips{display:flex;flex-wrap:wrap;gap:8px}
.mchip{min-height:42px;padding:0 16px;border-radius:999px;border:2px solid var(--line);background:var(--surface);color:var(--ink);font:700 15px "Nunito",system-ui,sans-serif;cursor:pointer;display:inline-flex;align-items:center;gap:6px}
.mchip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft);color:var(--brand-ink);font-weight:800}
.mchip .badge{position:static;min-width:22px;height:22px;border-radius:999px;background:var(--muscle);color:var(--on-muscle);font-size:12px;font-weight:800;display:inline-grid;place-items:center;padding:0 6px}
.pmast{background:var(--brand);color:var(--on-brand);border-radius:22px;padding:4px 18px 16px;margin:14px 0 0}
.pmast .sub{color:color-mix(in srgb,var(--on-brand) 82%,transparent)}
.prows{display:grid;gap:10px}
.prow{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2px 10px;font-size:15px}
.prow b{font-weight:800}
.prow .bar{grid-column:1 / -1}
.rowbtn{display:flex;align-items:center;justify-content:space-between;width:100%;text-align:left;cursor:pointer;padding:16px 20px;font:inherit;color:var(--ink)}
.rowbtn span{display:flex;flex-direction:column}
.rowbtn b{font:600 18px "Nunito",system-ui,sans-serif}
.rowbtn small{color:var(--muted);font-size:14px}
.rowbtn::after{content:"";width:10px;height:10px;border-right:2.5px solid var(--muted);border-bottom:2.5px solid var(--muted);transform:rotate(-45deg);margin-right:6px;flex:none}
.prc-side .go{margin:18px 0 0}
@media print{.tabbar,.homebar{display:none}}
/* počítač a tablet na šírku: lišta je bočné menu, Precvičuj má nastavenia a tlačidlo v pravom stĺpci */
@media (min-width:1000px){
  .homeshell{padding-left:232px}
  .tabbar{top:0;bottom:0;right:auto;width:232px;display:flex;flex-direction:column;gap:4px;background:var(--brand);border-top:0;padding:24px 14px}
  .tabbar button{flex-direction:row;justify-content:flex-start;gap:12px;min-height:46px;padding:0 12px;color:var(--on-brand);font-size:16px}
  .tabbar .ti{width:auto;height:auto;background:none!important}
  .tabbar [aria-current="page"]{background:var(--surface);color:var(--brand-ink)}
  .navbrand{display:flex;flex-direction:column;align-items:flex-start;gap:2px;margin:0 0 22px 6px}
  .navbrand img{width:130px;height:auto}
  .home .hero .brandrow{display:none}
  .homebar{left:232px;bottom:0;padding:12px 24px 16px}
  .wrap.home{padding-bottom:110px;max-width:1040px}
  .prc{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:26px;align-items:start}
  .prc-side{position:sticky;top:12px}
  .prc-side .homebar{position:static;padding:0;margin:14px 0 0;border:0;background:none}
  .tab-precvicuj .wrap.home{padding-bottom:40px}
}
.home .ctx .chip,.pagectx .chip{padding:6px 13px;font-size:14px;min-height:36px}
.home .ctx .bookchip svg{width:16px;height:16px}
@media (max-width:420px){.home .ctx .bookchip span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}.home .ctx .bookchip{padding:6px 10px}}
@media (min-width:1000px){.prc-side .seg{display:grid;grid-template-columns:repeat(auto-fit,minmax(46px,1fr))}.prc-side .seg button{min-width:0;padding-left:4px;padding-right:4px}}
/* pole na meno s tlačidlami Uložiť / Zrušiť (od verzie 6.25) */
.namerow{display:flex;flex-wrap:wrap;gap:8px 12px;align-items:center;margin-top:8px}
.namerow .namefield{flex:1 1 180px;min-width:0;margin:0}
.namerow .btn{padding:11px 18px}
.btn.onbrand{background:var(--on-brand);border-color:var(--on-brand);color:#FFFFFF}
.card .namefield{border:2px solid var(--line);border-radius:14px;padding:11px 14px;font:inherit;background:var(--surface);color:var(--ink)}
.card .namefield:focus{border-color:var(--accent);outline:none}
/* zadanie na precvičenie a QR kód výsledku (od verzie 6.26) */
.zad.card{border:2px solid var(--brand)}
.zad .zlabel{margin:0 0 4px;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-ink)}
.zad h2{margin:0;font-size:19px;line-height:1.25}
.zad .zbar{display:flex;align-items:center;gap:10px;margin:10px 0 6px}
.zad .zbar .bar{flex:1;position:relative}
.zad .zbar em{position:absolute;top:-4px;bottom:-4px;width:3px;margin-left:-1px;background:var(--ink);border-radius:2px}
.zad .zbar b{font-size:18px;font-weight:800;min-width:3.2em;text-align:right}
.zad .row{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.note.good{color:var(--good);font-weight:700}
.qrbox.big{max-width:480px}
.qrbox.big .qrimg svg{max-width:420px}
.scanst{font-weight:700;margin:10px 0 4px}
.scanlist{text-align:left;font-size:14px;max-height:22vh;overflow:auto;margin:0 0 12px;padding-left:1.4em}
.gnum small{font-size:.45em;margin-left:2px}
.zad .zbar .bar.big{margin:0}
.gnum.pct{font-size:40px}
.gnum.pct{display:flex;align-items:baseline;justify-content:center}

/* pole s dátumom (termín zadania; v pláne do písomky má vlastný štýl .plan .datein) */
.datein{font:inherit;font-size:16px;padding:8px 12px;border:2px solid var(--line);border-radius:12px;background:var(--surface);color:var(--ink);min-height:44px;box-sizing:border-box}
.check .datein{width:auto;min-width:11em}
.datein:focus{border-color:var(--accent);outline:none}