/* ===== Zvládám – rozvržení a součásti (barvy a písma: motiv.css) ===== */
/* barvy, písma a stíny jsou ve static/motiv.css */

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body, .oblast-karta, .panel[style] { --hlavni-svetla: color-mix(in srgb, var(--hlavni) 12%, white); }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 16px/1.5 var(--pismo);
}
a { color: var(--hlavni); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .4em; font-family: var(--pismo-nadpisy); }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.25rem; }
main { max-width: 980px; margin: 0 auto; padding: 20px 16px 60px; }

/* ----- horní lišta ----- */
.lista {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px;
  background: #fff; border-bottom: 1px solid var(--okraj); padding: 10px 20px;
  position: sticky; top: 0; z-index: 10;
}
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.15rem; }
.logo small { display: block; font-weight: 400; font-size: .75rem; color: var(--tlumeny); }
.logo-znak {
  display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 9px;
  background: #4053d6; color: #fff; font: 700 20px/1 Arial, sans-serif;
}
nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--tlumeny); padding: 7px 12px; border-radius: 8px; font-weight: 500; }
nav a:hover { background: var(--bg); color: var(--text); }
nav a.akt { background: var(--hlavni-svetla); color: var(--hlavni); }

/* ----- obecné ----- */
.uvod { margin: 8px 0 18px; }
.podtitul { color: var(--tlumeny); margin: 0; }
.panel { background: var(--karta); border: 1px solid var(--okraj); border-radius: 14px; padding: 18px 20px; margin-bottom: 18px; box-shadow: var(--stin); }
.info { background: var(--varovani-svetla); border: 1px solid #f0d9a8; border-radius: 10px; padding: 10px 14px; margin-bottom: 16px; }
.pozn, .mini { color: var(--tlumeny); font-size: .875rem; }
.mini { margin-right: 6px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; font: inherit; font-size: .95rem; font-weight: 500;
  padding: 8px 14px; border-radius: 9px; border: 1px solid var(--okraj); background: #fff; color: var(--text);
  cursor: pointer; text-decoration: none; transition: background .12s, border-color .12s, transform .05s; white-space: nowrap;
}
.btn:hover { border-color: #b9c1d6; background: #f8f9fc; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid #aab4f5; outline-offset: 1px; }
.btn-hlavni { background: var(--hlavni); border-color: var(--hlavni); color: #fff; }
.btn-hlavni:hover { background: var(--hlavni); border-color: var(--hlavni); filter: brightness(.9); }
.btn-tichy { background: transparent; border-color: transparent; color: var(--tlumeny); }
.btn-tichy:hover { background: var(--bg); border-color: transparent; }
.btn-velke { padding: 11px 22px; font-size: 1.05rem; }
.btn-ok.aktivni { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-chyba.aktivni { background: var(--chyba); border-color: var(--chyba); color: #fff; }

/* ----- formulář ----- */
.rezimy { border: 0; padding: 0; margin: 0 0 14px; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; }
.rezimy legend { font-weight: 700; margin-bottom: 8px; font-size: 1.05rem; }
.rezim { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--okraj); border-radius: 11px; padding: 11px 12px; cursor: pointer; transition: border-color .12s, background .12s; }
.rezim:hover { border-color: #b9c1d6; }
.rezim:has(input:checked) { border-color: var(--hlavni); background: var(--hlavni-svetla); }
.rezim input { margin-top: 4px; accent-color: var(--hlavni); }
.rezim small { display: block; color: var(--tlumeny); font-size: .82rem; }
.volba { margin: 0 0 14px; }
.volba[hidden] { display: none; }
select { font: inherit; padding: 6px 10px; border-radius: 8px; border: 1px solid var(--okraj); background: #fff; margin-left: 6px; }
.temata { display: grid; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); gap: 12px 18px; }
.skupina-nadpis { font-weight: 700; color: var(--hlavni); font-size: .9rem; margin-bottom: 4px; }
.skupina label { display: flex; gap: 8px; align-items: baseline; padding: 2px 0; cursor: pointer; font-size: .95rem; }
.skupina input { accent-color: var(--hlavni); }
.formular-spodek { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; border-top: 1px solid var(--okraj); padding-top: 14px; }
.nastaveni summary { cursor: pointer; font-weight: 600; color: var(--hlavni); }
.nastaveni[open] summary { margin-bottom: 14px; }
.postup-prace { padding-left: 1.3em; margin: 0 0 10px; }
.postup-prace li { margin-bottom: 4px; }

/* ----- tabulky ----- */
.tabulka { width: 100%; border-collapse: collapse; font-size: .95rem; }
.tabulka th, .tabulka td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--okraj); }
.tabulka th { color: var(--tlumeny); font-weight: 600; font-size: .85rem; }
.uroven-nadpis { font-size: 1rem; color: var(--hlavni); margin: 16px 0 4px; }
.stat-nazev { width: 42%; }
.stat-pocet, .stat-proc { white-space: nowrap; width: 9%; color: var(--tlumeny); }
.stat-pruh { width: 30%; }
.pruh { height: 10px; background: #edf0f7; border-radius: 5px; overflow: hidden; }
.pruh span { display: block; height: 100%; border-radius: 5px; }
.pruh .dobre { background: var(--ok); }
.pruh .stredne { background: #e0a526; }
.pruh .spatne { background: var(--chyba); }
.slabe { border-color: #f0d9a8; background: #fffaf0; }
.smazat { margin-top: 12px; text-align: right; }

/* ----- hlavička sady ----- */
.sada-hlava { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 12px; margin: 6px 0 12px; }
.sada-hlava h1 { margin: 0; }
.sada-akce { display: flex; gap: 8px; flex-wrap: wrap; }
.skore { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; flex-wrap: wrap; }
.skore-text { color: var(--tlumeny); font-size: .92rem; }
.skore-pruh { flex: 1; min-width: 160px; height: 8px; background: #e4e8f2; border-radius: 4px; overflow: hidden; display: flex; }
.skore-pruh span { display: block; height: 100%; transition: width .3s; width: 0; }
#sk-pruh-ok { background: var(--ok); }
#sk-pruh-chyba { background: var(--chyba); }
.tisk-hlavicka { display: none; }
.sada-upozorneni { color: var(--tlumeny); font-size: .85rem; margin: 18px 0 0; text-align: center; }
.pomucky-tisk { display: none; }
.pomucky summary { cursor: pointer; font-weight: 600; }
.pomucky .pozn { margin: 8px 0 10px; }
.pomucky-obsah { display: flex; flex-wrap: wrap; gap: 10px 36px; align-items: flex-start; }
.tab-pomucky { border-collapse: collapse; font-family: var(--math); font-size: 1.1rem; }
.tab-pomucky td { border: 1px solid var(--okraj); padding: 3px 14px; }
.pomucky-vzorce .radek { font-size: 1.15rem; padding: 2px 0; }
.pi { font-family: var(--math); font-style: normal; }

/* ----- karta příkladu ----- */
.seznam { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr); }  /* minmax: karta nesmí být širší než stránka */
.karta { background: var(--karta); border: 1px solid var(--okraj); border-left: 5px solid var(--okraj); border-radius: 14px; padding: 16px 20px; box-shadow: var(--stin); }
.karta.je-ok { border-left-color: var(--ok); }
.karta.je-chyba { border-left-color: var(--chyba); }
.karta-hlava { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.cislo { display: inline-grid; place-items: center; min-width: 32px; height: 32px; border-radius: 50%; background: var(--hlavni); color: #fff; font-weight: 700; }
.tema { font-weight: 600; color: var(--tlumeny); font-size: .9rem; }
.hvezdy { margin-left: auto; letter-spacing: 1px; color: #d4d9e6; font-size: .95rem; font-style: normal; }
.hvezdy i { font-style: normal; }
.hvezdy .plna { color: #f2b01e; }
.stav-znacka { font-weight: 700; width: 20px; text-align: center; }
.je-ok .stav-znacka::after { content: "✓"; color: var(--ok); }
.je-chyba .stav-znacka::after { content: "✗"; color: var(--chyba); }
.zadani-text { margin: 4px 0 8px; font-weight: 500; }
.zadani { font-family: var(--math); font-size: 1.55rem; padding: 6px 0 12px; overflow-x: auto; }
.zadani:empty { display: none; }  /* výběr z možností bez dalšího zápisu – stačí text zadání */
.zadani .ulo { font-family: "Segoe UI", system-ui, sans-serif; font-size: 1.05rem; line-height: 2.1; margin: 0; }
.zadani .ulo .fr { font-family: var(--math); font-size: 1.15em; vertical-align: middle; }
.prostor { display: none; }

.ovladani { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding-top: 10px; border-top: 1px dashed var(--okraj); }
.kontrola { display: flex; gap: 6px; flex: 1 1 280px; }
.kontrola input { flex: 1; min-width: 0; font: inherit; font-family: var(--math); font-size: 1.1rem; padding: 7px 10px; border: 1px solid var(--okraj); border-radius: 9px; }
.kontrola input:focus { outline: 3px solid #c9d0fa; border-color: var(--hlavni); }

.zprava { margin-top: 10px; padding: 9px 13px; border-radius: 9px; font-weight: 500; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.zprava.ok { background: var(--ok-svetla); color: #146c3a; }
.zprava.chyba { background: var(--chyba-svetla); color: #9b2c2c; }
.zprava.varovani { background: var(--varovani-svetla); color: #8a5a12; }
.zprava .ex { font-size: 1.15rem; }

.vysledek { margin-top: 12px; padding: 10px 14px; background: var(--ok-svetla); border-radius: 10px; font-family: var(--math); font-size: 1.4rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.vysledek-stitek { font-family: "Segoe UI", system-ui, sans-serif; font-size: .9rem; font-weight: 600; color: #146c3a; }

/* ----- postup ----- */
.postup { margin-top: 14px; }
.kroky { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.krok { background: #fafbff; border: 1px solid #e3e7f5; border-radius: 12px; padding: 12px 14px; animation: objevit .25s ease; }
.krok-vysledek { background: var(--ok-svetla); border-color: #bfe6cd; }
@keyframes objevit { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
.krok-nadpis { font-weight: 700; margin-bottom: 6px; display: flex; align-items: center; gap: 8px; }
.krok-cislo { display: inline-grid; place-items: center; min-width: 24px; height: 24px; border-radius: 50%; background: var(--hlavni-svetla); color: var(--hlavni); font-size: .8rem; }
.krok-vysledek .krok-cislo { background: var(--ok); color: #fff; }
.radek { font-family: var(--math); font-size: 1.3rem; padding: 4px 0; overflow-x: auto; }
.krok-pred, .krok-po { font-family: var(--math); font-size: 1.3rem; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; padding: 4px 0; }
.krok-pred .mini, .krok-po .mini { font-family: "Segoe UI", system-ui, sans-serif; }
.krok-po { border-top: 1px dashed #dfe3f0; margin-top: 4px; padding-top: 8px; }
.pozor { margin-top: 8px; font-size: .9rem; color: #6b4e0e; background: var(--varovani-svetla); border-radius: 8px; padding: 6px 10px; }
.pozor-stitek { display: inline-block; font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; background: #f2c86b; color: #5a3d00; border-radius: 4px; padding: 1px 6px; margin-right: 8px; }
/* „Pozor“ – upozornění na častou chybu: tmavší štítek a proužek vlevo (ne červená – ta je jen pro chyby) */
.pozor-varovani { box-shadow: inset 3px 0 0 var(--varovani); }
.pozor-varovani .pozor-stitek { background: #8a5a10; color: #fff; }
.krok-ovladani { display: flex; gap: 8px; align-items: center; margin-top: 10px; }
.pocitadlo { color: var(--tlumeny); font-size: .875rem; margin-left: auto; }
.hodnoceni { display: flex; gap: 8px; align-items: center; justify-content: flex-end; margin-top: 12px; flex-wrap: wrap; }

/* ----- matematická sazba ----- */
.ex { display: inline-flex; align-items: center; flex-wrap: wrap; gap: .12em; vertical-align: middle; }
.op { padding: 0 .28em; }
.mt { padding: 0 .1em; white-space: nowrap; }
.tx { font-family: "Segoe UI", system-ui, sans-serif; font-size: .74em; color: #3d4660; padding: 0 .3em; white-space: pre-wrap; }
.fr { display: inline-flex; flex-direction: column; align-items: center; vertical-align: middle; margin: 0 .1em; font-size: .92em; }
.fr-n { padding: 0 .25em .08em; border-bottom: .075em solid currentColor; text-align: center; display: inline-flex; justify-content: center; align-items: center; min-width: .9em; }
.fr-d { padding: .08em .25em 0; text-align: center; display: inline-flex; justify-content: center; align-items: center; min-width: .9em; }
.fr .fr { font-size: .9em; }
.fr-big { font-size: 1em; }
.fr-big > .fr-n { border-bottom-width: .1em; padding-bottom: .15em; }
.fr-big > .fr-d { padding-top: .15em; }
.fr-big > .fr-n > .ex, .fr-big > .fr-d > .ex { flex-wrap: nowrap; }
.mix { display: inline-flex; align-items: center; }
.mix > .fr { margin-left: .05em; }
.pg { display: inline-flex; align-items: center; }
.pz { font-weight: 300; line-height: 1; padding: 0 .04em; transform-origin: center; }
.hl { display: inline-flex; align-items: center; background: var(--zvyrazneni); border-radius: 6px; padding: 0 .15em; box-shadow: 0 0 0 2px #f4dc6a; }
.blank { display: inline-block; min-width: 1.4em; text-align: center; color: var(--hlavni); font-weight: 700; border-bottom: 2px dotted var(--hlavni); }
.sep { display: inline-block; width: 1.4em; }
.obr .d { fill: #fff; stroke: #2e3650; stroke-width: 2; }
.obr .s { fill: #7aa2f7; }
.obr { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

/* ----- tahák ----- */
.tahak { display: grid; grid-template-columns: repeat(auto-fit, minmax(420px, 1fr)); gap: 0 18px; }
.tahak-sekce p { margin: 4px 0; font-size: .97rem; }
.tahak-sekce .radek { font-size: 1.2rem; }
.tahak-sekce .radek p { font-family: "Segoe UI", system-ui, sans-serif; font-size: .97rem; }

/* ----- mobil ----- */
@media (max-width: 640px) {
  main { padding: 14px 12px 50px; }
  .lista { padding: 8px 12px; }
  .karta { padding: 14px; }
  .zadani { font-size: 1.3rem; }
  .radek, .krok-pred, .krok-po { font-size: 1.12rem; }
  .tahak { grid-template-columns: 1fr; }
  .logo small { display: none; }
}

/* ----- tisk ----- */
@media print {
  @page { margin: 14mm 12mm; }
  body { background: #fff; font-size: 12pt; }
  .lista, .paticka, .nastaveni, .sada-akce, .skore, .ovladani, .zprava, .hodnoceni, .krok-ovladani, .info, .stav-znacka, .smazat { display: none !important; }
  main { max-width: none; padding: 0; }
  .panel, .karta { box-shadow: none; border: 1px solid #bbb; }
  .karta, .karta.je-ok, .karta.je-chyba { border-left: 1px solid #bbb; break-inside: avoid; page-break-inside: avoid; padding: 10px 14px; }
  .cislo { background: #fff; color: #000; border: 1.5px solid #000; }
  .hvezdy .plna { color: #888; }
  .sada-upozorneni { display: none !important; }
  .tisk-hlavicka { flex-wrap: wrap; }
  .tisk-upozorneni { flex-basis: 100%; font-size: 7pt; color: #444; margin-top: 1px; }
  .tisk-hlavicka { display: flex; justify-content: space-between; border-bottom: 2px solid #000; padding-bottom: 6px; margin-bottom: 12px; font-size: 11pt; }
  .sada-hlava { display: none; }
  .pomucky { display: none !important; }
  body.tisk-zadani .tisk-hlavicka { margin-bottom: 3px; padding-bottom: 3px; }
  body.tisk-zadani .pomucky-tisk { display: block; font-size: 7pt; margin: 0 0 5px; line-height: 1.15; }
  .pomucky-tisk .ex { margin-right: 4px; font-size: 8pt; }
  .pomucky-tisk .fr { font-size: .8em; }
  .pomucky-tisk .pomucky-odd { margin: 0 5px 0 1px; }
  .seznam { display: block; }
  .seznam > .karta { margin-bottom: 10px; }
  /* zadání: dvě kolony a místo na výpočet */
  /* plovoucí karty místo flexboxu: Chromium jinak při vyšších kartách odsune celý seznam na další stranu */
  body.tisk-zadani .seznam { display: block; }
  body.tisk-zadani .seznam::after { content: ""; display: block; clear: both; }
  body.tisk-zadani .karta { width: 49.2%; margin-bottom: 8px; float: left; clear: left; }
  body.tisk-zadani .karta:nth-child(even) { float: right; clear: right; }
  body.tisk-zadani .vysledek, body.tisk-zadani .postup { display: none !important; }
  body.tisk-zadani .prostor { display: block; height: 25mm; }
  body.tisk-zadani .zadani { padding: 2px 0 4px; }
  body.tisk-zadani .zadani-text { margin: 2px 0 4px; font-size: 10.5pt; }
  body.tisk-zadani .karta-hlava { margin-bottom: 2px; }
  body.tisk-zadani .zadani { font-size: 1.35rem; }
  body.tisk-zadani .obr2 { max-height: 32mm; width: auto; }
  body.tisk-zadani .karta:has(.obr2) .prostor { height: 8mm; }
  body.tisk-reseni .obr2 { max-height: 50mm; width: auto; }
  /* animace by při tisku nechala kroky průhledné (tiskne se v jejím prvním snímku) */
  .krok { animation: none !important; }
  /* s řešením: vše odkryté, úsporně ve dvou sloupcích */
  body.tisk-reseni .vysledek, body.tisk-reseni .postup, body.tisk-reseni .krok { display: block !important; }
  body.tisk-reseni .vysledek { display: flex !important; }
  body.tisk-reseni .krok-vysledek { display: none !important; }  /* výsledek je už v hlavičce karty */
  body.tisk-reseni .seznam { column-count: 2; column-gap: 6mm; column-fill: auto; }
  body.tisk-reseni .seznam > .karta { break-inside: auto; page-break-inside: auto; padding: 6px 9px; margin: 0 0 6px; }
  body.tisk-reseni .karta-hlava, body.tisk-reseni .zadani-text, body.tisk-reseni .zadani,
  body.tisk-reseni .moznosti { break-inside: avoid; break-after: avoid; page-break-after: avoid; }
  body.tisk-reseni .vysledek { break-inside: avoid; }
  body.tisk-reseni .karta-hlava { margin-bottom: 2px; }
  body.tisk-reseni .cislo { min-width: 24px; height: 24px; font-size: .85rem; }
  body.tisk-reseni .zadani-text { font-size: 10pt; margin: 0 0 2px; }
  body.tisk-reseni .zadani { font-size: 1.1rem; padding: 0 0 4px; overflow: visible; }
  body.tisk-reseni .moznosti { font-size: 1rem; gap: 4px 14px; margin-bottom: 4px; }
  body.tisk-reseni .vysledek { font-size: 1.05rem; margin-top: 4px; padding: 3px 8px; }
  body.tisk-reseni .postup { margin-top: 6px; }
  body.tisk-reseni .kroky { gap: 3px; }
  body.tisk-reseni .krok { break-inside: avoid; background: none; border: 0; border-top: 1px dotted #bbb; border-radius: 0; padding: 3px 0; }
  body.tisk-reseni .krok-nadpis { font-size: 9.5pt; margin-bottom: 1px; }
  body.tisk-reseni .krok-cislo { min-width: 18px; height: 18px; font-size: .7rem; }
  body.tisk-reseni .radek { font-size: .95rem; padding: 1px 0; overflow: visible; }
  body.tisk-reseni .krok-pred, body.tisk-reseni .krok-po { font-size: 1rem; padding: 1px 0; }
  body.tisk-reseni .krok-po { margin-top: 1px; padding-top: 2px; }
  body.tisk-reseni .mini { font-size: 8.5pt; }
  body.tisk-reseni .pozor { font-size: 8.5pt; margin-top: 2px; padding: 2px 6px; }
  .hl { background: #eee; box-shadow: none; }
  a { color: #000; text-decoration: none; }
  .tahak { display: block; }
  .tahak-sekce { break-inside: avoid; }
}

/* ----- oblasti ----- */
.ikona {
  display: inline-grid; place-items: center; flex: none; width: 46px; height: 46px; border-radius: 12px;
  background: var(--hlavni); color: #fff; font: 700 22px/1 Arial, sans-serif;
}
.ikona-velka { width: 60px; height: 60px; border-radius: 15px; font-size: 28px; }
.ikona-zl { display: inline-flex; flex-direction: column; align-items: center; font-size: .62em; line-height: 1.1; }
.ikona-zl span:first-child { border-bottom: 2px solid #fff; padding: 0 5px 1px; }
.oblasti { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 14px; margin-bottom: 18px; }
.oblast-karta {
  display: flex; align-items: center; gap: 14px; padding: 16px 18px; background: var(--karta);
  border: 1px solid var(--okraj); border-radius: 14px; box-shadow: var(--stin); color: var(--text); text-decoration: none;
  transition: border-color .12s, transform .12s;
}
a.oblast-karta:hover { border-color: var(--hlavni); transform: translateY(-1px); }
.oblast-text { display: flex; flex-direction: column; gap: 2px; flex: 1; }
.oblast-text b { font-size: 1.15rem; }
.oblast-text small { color: var(--tlumeny); }
.oblast-meta { font-size: .82rem; color: var(--hlavni); font-weight: 600; margin-top: 4px; }
.sipka { font-size: 1.8rem; color: var(--tlumeny); }
.oblast-dalsi { box-shadow: none; border-style: dashed; background: transparent; --hlavni: #b8c0d6; }
.okruh { margin-bottom: 8px; }
.okruh-nadpis { display: flex; align-items: center; gap: 10px; font-size: 1.15rem; margin: 22px 0 10px; }
.okruh-cislo {
  display: inline-grid; place-items: center; flex: none; width: 28px; height: 28px; border-radius: 50%;
  background: var(--text); color: #fff; font: 700 15px/1 Arial, sans-serif;
}
.okruhy-pozn { margin: 4px 0 18px; }
.oblast-hlava { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.oblast-hlava > div { flex: 1; min-width: 220px; }
.oblast-hlava h1 { margin: 0; }
.drobky { font-size: .88rem; margin-bottom: 4px; }
.drobky a { text-decoration: none; font-weight: 600; }
.stat-hlava { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.stat-hlava h2 { margin: 0; }
.panel .slabe { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; border: 1px solid #f0d9a8; background: #fffaf0; border-radius: 10px; padding: 10px 14px; margin: 10px 0; }
.panel .slabe .btn { margin-left: auto; }

/* ----- výběr z možností (A, B, C…) ----- */
.moznosti { list-style: none; margin: 0 0 8px; padding: 0; display: flex; flex-wrap: wrap; gap: 8px 22px; font-family: var(--math); font-size: 1.3rem; }
.moznosti li { display: flex; align-items: center; gap: 8px; }
.pismeno { display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--hlavni); color: var(--hlavni); font: 700 .8rem/1 "Segoe UI", system-ui, sans-serif; }

/* ----- mocniny a odmocniny ----- */
.moc { display: inline-flex; align-items: flex-start; }
.moc-z { display: inline-flex; align-items: center; }
.moc-e { display: inline-flex; align-items: center; font-size: .62em; line-height: 1.1; margin: -.22em 0 0 .06em; }
.moc-e .blank { min-width: 1.2em; }
.odm { display: inline-flex; align-items: stretch; position: relative; margin: 0 .1em; }
.odm-z { display: flex; width: .6em; flex: none; }
.odm-z svg { width: 100%; height: 100%; overflow: visible; fill: none; stroke: currentColor; stroke-width: .075em; stroke-linejoin: round; }
.odm-o { display: inline-flex; align-items: center; border-top: .075em solid currentColor; padding: .1em .15em 0 .1em; }
.odm-i { position: absolute; left: -.1em; top: -.15em; font-size: .5em; line-height: 1; }
.un { padding: 0 .05em 0 0; }
.ikona-moc { font-family: var(--math); font-style: italic; font-size: 1.1em; }
.ikona-moc sup { font-size: .6em; font-style: normal; }
.ikona-cisla { font-family: var(--math); font-size: .62em; letter-spacing: .01em; }
.ikona-proc { font-family: var(--math); font-size: 1.1em; font-weight: 700; }
.ikona-vyr { font-family: var(--math); font-size: .66em; font-style: italic; }
.tab-moc { border-collapse: collapse; font-family: "Segoe UI", system-ui, sans-serif; font-size: .9rem; margin: 6px 0; width: 100%; }
.tab-moc th, .tab-moc td { border: 1px solid var(--okraj); padding: 3px 4px; text-align: center; }
.tab-moc th { background: var(--hlavni-svetla); font-weight: 600; }
.tab-moc tr:nth-child(odd) th:first-child, .tab-moc tr:nth-child(even) th:first-child { width: 2.2em; }

/* ----- rovnice ----- */
.var { font-family: var(--math); font-style: italic; padding: 0 .02em; }
.rov > .tx { margin-left: 1.2em; color: var(--hlavni); font-weight: 600; white-space: pre; }
.ikona-rov { font-family: var(--math); font-size: .82em; letter-spacing: .02em; }
.cl { white-space: nowrap; }
.cl > .un { padding-right: .04em; }

/* ---------- Zvládám: logo, patička, textové stránky ---------- */
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.paticka { max-width: 980px; margin: 0 auto; padding: 18px 16px 32px; border-top: 1px solid var(--okraj);
  color: var(--tlumeny); font-size: .875rem; display: grid; gap: 6px; }
.paticka a { color: inherit; }
.paticka-pozn { font-size: .8rem; }
.panel.text p { margin: .4em 0 .8em; line-height: 1.55; }
.panel.text ul { margin: .4em 0 .8em; padding-left: 1.2em; line-height: 1.55; }
.panel.text li { margin-bottom: .35em; }

/* ----- písemné počítání pod sebou ----- */
.pisemne, .pisemne-scitani, .pisemne-deleni { border-collapse: collapse; font-family: var(--math); font-size: 1.2rem; margin: 4px 0 8px; font-variant-numeric: tabular-nums; }
.pisemne td, .pisemne-scitani td, .pisemne-deleni td { padding: 0 1px; min-width: .72em; text-align: center; line-height: 1.35; white-space: nowrap; }
.pisemne td.ps-znak, .pisemne-scitani td.ps-znak { padding-right: 6px; text-align: right; }
.pisemne td.ps-posun, .pisemne-scitani td.ps-posun { color: var(--tlumeny); }
.pisemne tr.ps-cara td:not(.ps-znak), .pisemne-scitani tr.ps-cara td:not(.ps-znak) { border-top: 1.5px solid var(--text); }
.pisemne-deleni td.ps-ops { text-align: left; padding-left: 6px; }
.pisemne-deleni tr[data-druh="zbytek"] td { color: var(--tlumeny); }

/* ----- číselná osa ----- */
.osa { max-width: 100%; height: auto; }
.osa line, .osa polygon { stroke: #2e3650; stroke-width: 2; fill: #2e3650; }
.osa text { font-family: var(--math); font-size: 16px; fill: #1d2433; text-anchor: middle; }
.osa circle { fill: #4053d6; stroke: none; }
.osa text.osa-bod { fill: #4053d6; font-weight: 700; font-family: inherit; }

/* ----- dělitelnost ----- */
.ikona-del { font-size: .62em; letter-spacing: .02em; font-family: var(--math); font-style: italic; }
.hvezda { color: var(--hlavni); font-weight: 700; padding: 0 .05em; }
.tab-znaky { border-collapse: collapse; font-size: .92rem; margin: 6px 0; width: 100%; }
.tab-znaky th, .tab-znaky td { border: 1px solid var(--okraj); padding: 4px 8px; text-align: left; }
.tab-znaky th { background: var(--hlavni-svetla); font-weight: 600; }

/* ----- soustavy rovnic ----- */
.ikona-sous { font-family: var(--math); font-style: italic; font-size: .8em; }
.soustava { display: inline-flex; flex-direction: column; gap: 2px; border-left: 2px solid var(--text);
  border-radius: 8px 0 0 8px; padding: 2px 0 2px 10px; vertical-align: middle; }
.soustava-r .ex { margin: 0; }
.ikona-jedn { font-family: var(--math); font-size: .85em; }
.ikona-pomer { font-family: var(--math); font-size: .78em; }
.ex .tx.odd { padding: 0 .3em 0 0; margin-left: -.12em; }
.ex .tx.st { font-family: var(--math); font-size: 1em; color: inherit; padding: 0; margin-left: -.12em; }
.ex .tx.pomer { font-family: var(--math); font-size: 1em; color: inherit; font-style: normal; white-space: nowrap; }

/* ----- obrázky (jadro/kresleni.py) ----- */
.obr2 { max-width: 100%; height: auto; overflow: visible; }
.obr2 .ob-cara { stroke: #2e3650; stroke-width: 2; fill: none; stroke-linejoin: round; }
.obr2 .ob-tenka, .obr2 .ob-uhel { stroke: #2e3650; stroke-width: 1.2; fill: none; }
.obr2 .ob-carkovana { stroke: #2e3650; stroke-width: 1.4; fill: none; stroke-dasharray: 5 4; }
.obr2 .ob-pomocna { stroke: #7b8499; stroke-width: 1.2; fill: none; stroke-dasharray: 4 4; }
.obr2 .ob-vypln { fill: #dfe7ff; stroke: #2e3650; stroke-width: 2; stroke-linejoin: round; }
.obr2 .ob-vypln2 { fill: #ffe4b8; stroke: #2e3650; stroke-width: 2; stroke-linejoin: round; }
.obr2 .ob-zvyraznena { stroke: #d64545; stroke-width: 2.6; fill: none; }
.obr2 .ob-bod { fill: #4053d6; stroke: #fff; stroke-width: 1; }
.obr2 .ob-bodik { fill: #2e3650; }
.obr2 .ob-mrizka { stroke: #dde2ee; stroke-width: 1; }
.obr2 .ob-osa { stroke: #2e3650; stroke-width: 1.4; }
.obr2 .ob-sipka { fill: #2e3650; }
.obr2 .ob-graf { stroke: #4053d6; stroke-width: 2.4; fill: none; }
.obr2 .ob-graf2 { stroke: #d64545; stroke-width: 2.4; fill: none; }
.obr2 .ob-sloupec { fill: #7aa2f7; stroke: #2e3650; stroke-width: 1; }
.obr2 .ob-vysec0 { fill: #7aa2f7; } .obr2 .ob-vysec1 { fill: #f7b267; } .obr2 .ob-vysec2 { fill: #8bd3a5; }
.obr2 .ob-vysec3 { fill: #f28b82; } .obr2 .ob-vysec4 { fill: #c3a6ff; } .obr2 .ob-vysec5 { fill: #ffe08a; }
.obr2 [class^="ob-vysec"] { stroke: #fff; stroke-width: 1.5; }
.obr2 text { font-family: var(--math); font-size: 14px; fill: #1d2433; }
.obr2 .ob-popis { font-style: italic; font-size: 15px; }
.obr2 .ob-rozmer { font-size: 13px; }
.obr2 .ob-uhel-text { font-size: 13px; fill: #4053d6; }
.obr2 .ob-osa-cislo { font-size: 11px; fill: #3d4660; }
.obr2 .ob-osa-popis { font-style: italic; font-size: 14px; }
.obr2 .ob-diagram-text { font-size: 13px; font-weight: 600; }
.ikona-umer { font-family: var(--math); font-style: italic; font-size: .7em; }
.tab-umer { border-collapse: collapse; font-family: var(--math); font-size: 1.1rem; margin: 4px 0; }
.tab-umer th, .tab-umer td { border: 1px solid #9aa3b8; padding: 3px 12px; text-align: center; min-width: 2.2em; }
.tab-umer th { background: var(--hlavni-svetla); font-style: italic; }
.ikona-stat { font-family: var(--math); font-style: italic; font-size: 1.2em; }
.ikona-uhel { font-size: 1.1em; }
.ikona-obs { font-size: 1.2em; }
.ikona-pyth { font-family: var(--math); font-style: italic; font-size: .66em; }
.ikona-kruh { font-size: 1.1em; }
.obr2 .ob-bila { fill: #fff; stroke: #2e3650; stroke-width: 2; }
.ikona-tel { font-size: 1.2em; }
.ikona-pod { font-size: 1.2em; }
.ikona-kon { font-size: 1.2em; }
.ikona-us { font-weight: 700; font-size: .9em; }

/* ===== Motiv „noční modrá“ (31. 10. 2026) – lišta, patička, nadpisy, tlačítka, karty ===== */
body { font-size: 16.5px; line-height: 1.6; }
h1, h2, h3 { font-weight: 600; letter-spacing: -.01em; line-height: 1.15; }
h1 { font-size: 2.1rem; }
h2 { font-size: 1.45rem; }
main { max-width: 1040px; padding-top: 28px; }

.lista {
  background: var(--noc-tmava);
  background-image: linear-gradient(270deg, var(--noc-svetla) 0%, var(--noc) 38%, var(--noc-tmava) 100%);
  border-bottom: 0; padding: 12px max(20px, calc((100% - 1200px) / 2));
}
.logo { color: #fff; font-family: var(--pismo-nadpisy); font-size: 1.4rem; font-weight: 700; letter-spacing: -.01em; }
.logo small { font-family: var(--pismo); font-size: .74rem; font-weight: 500; color: var(--noc-text); letter-spacing: 0; }
.logo-znak {
  width: 28px; height: 28px; border-radius: 50% 50% 50% 4px; transform: rotate(-45deg);
  background: var(--noc-akcent); font-size: 0;
}
nav a { color: var(--noc-text); font-size: .95rem; }
nav a:hover { background: rgba(255, 255, 255, .08); color: #fff; }
nav a.akt { background: rgba(255, 255, 255, .12); color: #fff; }
nav a.lista-prihlasit { color: #fff; box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .32); margin-left: 6px; }
.lista-ucet { color: #fff !important; }

.panel { border-radius: var(--zaobleni-velke); padding: 22px 24px; }
.karta { border-radius: 16px; }
.btn { border-radius: var(--zaobleni); font-weight: 600; padding: 9px 16px; }
.btn-velke { padding: 12px 24px; }
.btn:focus-visible { outline-color: var(--noc-akcent); }
.uvod h1 { font-size: 2.2rem; }
.okruh-nadpis { font-family: var(--pismo-nadpisy); font-size: 1.3rem; font-weight: 600; }
.oblast-karta { border-radius: 16px; }
.oblast-text b { font-family: var(--pismo-nadpisy); font-weight: 600; font-size: 1.12rem; }
.krok { background: #fbfbfd; border-color: var(--okraj); }

.paticka { max-width: 1200px; padding: 26px 20px 40px; }
.paticka-hlavni { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px 24px; margin-bottom: 8px; }
.paticka-odkazy { display: flex; flex-wrap: wrap; gap: 6px 18px; }
@media (max-width: 640px) {
  h1, .uvod h1 { font-size: 1.7rem; }
  .lista { padding: 10px 14px; }
  .logo { font-size: 1.25rem; }
  nav a { padding: 6px 9px; font-size: .9rem; }
}
.podpis-ruka { font: 700 1.9rem var(--pismo-ruka); color: var(--hlavni); margin: 4px 0 0; }
@media (max-width: 640px) {
  .panel { border-radius: 16px; padding: 18px; }
  .kontrola { flex-basis: 100%; }
  .kontrola .btn { flex: none; }
}

/* ---------- lišta podle návrhu (dodávka 27): logo · hledání · menu ---------- */
.hlava { background: var(--noc-tmava); background-image: linear-gradient(270deg, var(--noc-svetla) 0%, var(--noc) 38%, var(--noc-tmava) 100%); }
.lista { flex-wrap: nowrap; gap: 24px; background: none; position: relative; padding-top: 16px; padding-bottom: 16px; }
.logo-text > span { font-size: 1.55rem; }
.hledat { flex: 1; max-width: 360px; position: relative; display: flex; align-items: center; gap: 10px; color: var(--noc-text);
  border-radius: 14px; padding: 0 16px; box-shadow: inset 0 0 0 1.5px rgba(255, 255, 255, .2); background: rgba(255, 255, 255, .06); }
.hledat input { flex: 1; min-width: 0; border: 0; background: none; color: #fff; font: inherit; font-size: .95rem; padding: 10px 0; outline: none; }
.hledat input::placeholder { color: var(--noc-text); opacity: .85; }
.hledat:focus-within { box-shadow: inset 0 0 0 1.5px var(--noc-akcent); }
.hledat-napoveda { position: absolute; left: 0; right: 0; top: calc(100% + 6px); background: #fff; color: var(--text); border-radius: 14px;
  box-shadow: 0 20px 50px -20px rgba(10, 20, 45, .45), 0 0 0 1px var(--okraj); padding: 6px; z-index: 30; max-height: 60vh; overflow: auto; }
.hledat-napoveda a { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-radius: 10px; color: var(--text); text-decoration: none; font-size: .95rem; }
.hledat-napoveda a small { color: var(--tlumeny); white-space: nowrap; }
.hledat-napoveda a:hover, .hledat-napoveda a.vybrano { background: var(--hlavni-svetla); }
.hledat-napoveda p { margin: 8px 12px; color: var(--tlumeny); font-size: .9rem; }
.lista nav { margin-left: auto; flex-wrap: nowrap; align-items: center; }
.lista-ikona { display: none; color: #fff; text-decoration: none; font-size: 1.5rem; line-height: 1; padding: 4px 6px; }
.hledat-stranka { flex: 1; min-width: 200px; font: inherit; padding: 9px 14px; border-radius: var(--zaobleni); border: 1.5px solid var(--okraj); }
.hledat-vysledky { list-style: none; padding: 0; margin: 18px 0 0; columns: 2; }
.hledat-vysledky li { padding: 4px 0; break-inside: avoid; }
.hledat-vysledky small { color: var(--tlumeny); }
@media (max-width: 1080px) { .lista { gap: 14px; } .hledat { max-width: 260px; } }
@media (max-width: 900px) {
  .lista { flex-wrap: wrap; }
  .hledat { display: none; }
  .lista-ikona { display: block; }
  .lista-lupa { margin-left: auto; }
  .lista nav { display: none; width: 100%; flex-direction: column; align-items: stretch; margin: 0; padding-top: 6px; }
  .lista nav:target, .lista nav.otevreno { display: flex; }
  .lista nav a { padding: 10px 12px; }
  nav a.lista-prihlasit { margin: 4px 0 0; text-align: center; }
  .hledat-vysledky { columns: 1; }
}
@media print { .hlava { display: none !important; } }

/* ---------- ročníky a smíšené sady (dodávka 28–29) ---------- */
.tridy-vyber { display: flex; gap: 12px; margin: 0 0 22px; flex-wrap: wrap; }
.tridy-vyber a { width: 84px; aspect-ratio: 1; border-radius: 16px; background: var(--karta); box-shadow: inset 0 0 0 1.5px var(--okraj);
  display: flex; flex-direction: column; align-items: center; justify-content: center; text-decoration: none; color: var(--text);
  font-family: var(--pismo-nadpisy); font-size: 1.7rem; font-weight: 600; line-height: 1.1; }
.tridy-vyber a small { font-family: var(--pismo); font-size: .75rem; font-weight: 500; color: var(--tlumeny); }
.tridy-vyber a:hover { box-shadow: inset 0 0 0 2px var(--hlavni); }
.tridy-vyber a.akt { background: var(--noc); color: #fff; box-shadow: none; }
.tridy-vyber a.akt small { color: var(--noc-text); }
.trida-oblasti { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 6px 28px; }
.trida-oblasti h3 { font-size: 1.1rem; margin: 12px 0 4px; }
.trida-oblasti h3 a { color: var(--text); text-decoration: none; }
.trida-oblasti ul { margin: 0; padding-left: 18px; }
.trida-oblasti li { margin: 2px 0; }
.tema-oblast { font-weight: 700; color: var(--hlavni); }
@media (max-width: 640px) { .tridy-vyber { gap: 8px; } .tridy-vyber a { width: calc(20% - 7px); font-size: 1.35rem; } }
.test-nahodny { display: flex; justify-content: space-between; align-items: center; gap: 16px 28px; flex-wrap: wrap; }
.test-nahodny h2 { margin: 0 0 4px; }
.test-nahodny p { margin: 0; color: var(--tlumeny); max-width: 560px; }

/* ---------- rychlá oprava a klíč s výsledky (dodávka 30) ---------- */
.rychla-oprava summary { cursor: pointer; font-weight: 600; }
.rychla-seznam { list-style: none; padding: 0; margin: 10px 0 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 8px 18px; }
.rychla-seznam li { display: flex; align-items: center; gap: 10px; padding: 6px 0; border-top: 1px dashed var(--okraj); }
.rychla-vysledek { flex: 1; font-family: var(--math); }
.rychla-tlacitka { display: flex; gap: 6px; }
.rychla-tlacitka .btn { padding: 5px 12px; }
.klic-vysledku { display: none; }
@media print {
  .rychla-oprava { display: none !important; }
  body.tisk-klic .seznam, body.tisk-klic .pomucky-tisk, body.tisk-klic .pomucky, body.tisk-klic .hlaska { display: none !important; }
  body.tisk-klic .klic-vysledku { display: block; }
  .klic-vysledku h2 { font-size: 13pt; margin: 4px 0 8px; }
  .klic-vysledku ol { list-style: none; padding: 0; margin: 0; column-count: 2; column-gap: 8mm; }
  .klic-vysledku li { break-inside: avoid; padding: 5px 0; border-bottom: 1px solid #ccc; display: flex; gap: 8px; align-items: center; font-family: var(--math); }
}

/* ---------- Pro rodiče: kroky a formulář pro složení sady (dodávka 30) ---------- */
.rodic-kroky { list-style: none; counter-reset: k; padding: 0; margin: 0 0 22px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rodic-kroky li { counter-increment: k; border-top: 2px solid var(--text); padding-top: 12px; }
.rodic-kroky li::before { content: counter(k); display: block; font-family: var(--pismo-nadpisy); font-size: 2rem; color: var(--hlavni); line-height: 1; margin-bottom: 6px; }
.rodic-kroky b { display: block; font-family: var(--pismo-nadpisy); font-size: 1.12rem; }
.rodic-kroky span { color: var(--tlumeny); font-size: .92rem; }
.generator fieldset { border: 0; padding: 0; margin: 0 0 16px; }
.generator legend { font-weight: 600; margin-bottom: 6px; padding: 0; }
.gen-druh { display: flex; gap: 8px 22px; flex-wrap: wrap; }
.gen-oblasti { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px 24px; }
.gen-oblasti legend { grid-column: 1 / -1; }
.gen-okruh b { display: block; font-family: var(--pismo-nadpisy); font-size: .98rem; margin-bottom: 2px; }
.gen-okruh label { display: block; padding: 2px 0; }
.gen-spodek { display: flex; gap: 12px 24px; align-items: center; flex-wrap: wrap; }
/* zobrazit jen volby k vybranému druhu (bez podpory :has zůstane vidět vše) */
.generator:has(#druh-vyber:not(:checked)) .jen-vyber { display: none; }
.generator:has(#druh-trida:not(:checked)) .jen-trida { display: none; }
@media (max-width: 760px) { .rodic-kroky { grid-template-columns: 1fr 1fr; } }

/* ---------- test pro učitele (dodávka 31) ---------- */
.test-nazev-pole { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.test-nazev-pole input { font: inherit; padding: 7px 12px; border-radius: var(--zaobleni); border: 1.5px solid var(--okraj); min-width: 260px; }
.test-body-seznam { list-style: none; padding: 0; margin: 8px 0 14px; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 6px 22px; }
.test-body-seznam li { display: flex; align-items: center; gap: 10px; padding: 5px 0; border-top: 1px dashed var(--okraj); }
.test-tema { flex: 1; font-size: .92rem; }
.test-tema b { color: var(--hlavni); }
.test-body-seznam input { width: 64px; font: inherit; padding: 4px 8px; border-radius: 8px; border: 1.5px solid var(--okraj); }
.test-varianta { margin-top: 26px; }
.test-hlavicka, .test-klic, .test-reseni { display: none; }
.test-priklady { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.test-priklad { background: var(--karta); border-radius: 16px; padding: 14px 18px; box-shadow: var(--stin); }
.test-priklad-hlava { display: flex; justify-content: space-between; align-items: center; }
.test-bodu { font-size: .85rem; color: var(--tlumeny); white-space: nowrap; }
.test-priklad .prostor { display: none; }
@media print {
  body.tisk-test .sada-hlava, body.tisk-test .test-nastaveni, body.tisk-test .test-varianta, body.tisk-test .test-klic,
  body.tisk-test .test-obrazovka-nadpis, body.tisk-test .hlasky { display: none !important; }
  body.tisk-test-A .test-varianta[data-varianta="A"], body.tisk-test-B .test-varianta[data-varianta="B"],
  body.tisk-test-reseni .test-varianta { display: block !important; margin: 0; }
  body.tisk-test-reseni .test-varianta + .test-varianta { break-before: page; }
  body.tisk-test-klic .test-klic { display: block !important; }
  body.tisk-test .test-hlavicka { display: block; border-bottom: 2px solid #000; padding-bottom: 4px; margin-bottom: 6px; font-size: 11pt; }
  body.tisk-test-reseni .test-hlavicka .test-hl-radek:first-child { display: none; }
  .test-hl-radek { display: flex; justify-content: space-between; gap: 12px; margin: 3px 0; align-items: baseline; }
  .test-hl-radek .linka { display: inline-block; width: 52mm; border-bottom: 1px solid #000; height: 1em; }
  .test-hl-radek .linka.kratka { width: 22mm; }
  .test-nazev { font-size: 13pt; }
  body.tisk-test .pomucky-tisk { display: block; font-size: 7pt; margin: 0 0 5px; line-height: 1.15; }
  .test-priklady { display: block; }
  .test-priklady::after { content: ""; display: block; clear: both; }
  .test-priklad { box-shadow: none; border: 1px solid #bbb; border-radius: 8px; padding: 6px 10px; break-inside: avoid; }
  body.tisk-test-A .test-priklad, body.tisk-test-B .test-priklad { width: 49.2%; margin-bottom: 8px; float: left; clear: left; }
  body.tisk-test-A .test-priklad:nth-child(even), body.tisk-test-B .test-priklad:nth-child(even) { float: right; clear: right; }
  body.tisk-test-A .test-priklad .prostor, body.tisk-test-B .test-priklad .prostor { display: block; height: 25mm; }
  body.tisk-test .test-priklad:has(.obr2) .prostor { height: 8mm; }
  body.tisk-test .obr2 { max-height: 32mm; width: auto; }
  body.tisk-test .zadani-text { margin: 2px 0 4px; font-size: 10.5pt; }
  body.tisk-test .test-bodu { color: #000; }
  body.tisk-test-reseni .test-priklady { column-count: 2; column-gap: 6mm; }
  body.tisk-test-reseni .test-priklad { margin: 0 0 6px; }
  body.tisk-test-reseni .test-reseni { display: block; font-size: 9.5pt; }
  body.tisk-test-reseni .test-reseni .kroky { padding-left: 0; list-style: none; margin: 4px 0 0; }
  .test-klic h2 { font-size: 13pt; margin: 0 0 8px; }
  .test-klic-mrizka { display: grid; grid-template-columns: 1fr 1fr; gap: 8mm; }
  .test-klic h3 { font-size: 11pt; margin: 0 0 4px; }
  .test-klic table { width: 100%; border-collapse: collapse; }
  .test-klic td { border-bottom: 1px solid #ccc; padding: 4px 4px; font-family: var(--math); vertical-align: middle; }
  .test-klic td.cislo { width: 8mm; font-family: var(--pismo); }
  .test-klic .cislo { background: none; color: #000; border: 0; }
}
@media (max-width: 640px) { .test-body-seznam { grid-template-columns: 1fr; } }

/* ---------- lišta s logem uprostřed (1. 11. 2026) ----------
   Mřížka: menu vlevo · logo · menu vpravo. Nav má display: contents, aby jeho dvě skupiny
   mohly stát po stranách loga; na mobilu je nav zase jeden rozbalovací seznam pod lištou.
   Lupa otevírá řádek s hledáním (třída .hledani-otevreno, hledani.js). */
.lista { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); grid-template-areas: "vlevo logo vpravo" "hledat hledat hledat";
  align-items: center; column-gap: 24px; row-gap: 0; flex-wrap: initial; }
.lista .logo { grid-area: logo; justify-self: center; text-align: center; }
.lista .logo-text { align-items: center; }
.lista .logo-text > span { font-size: 1.85rem; line-height: 1; letter-spacing: .005em; }
.lista .logo-text small { display: block; margin-top: 6px; font-size: .7rem; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--noc-text); }
.lista .logo-text small::before, .lista .logo-text small::after { content: ""; display: inline-block; width: 16px; height: 1px; background: rgba(255, 255, 255, .35); vertical-align: middle; margin: 0 8px; }
.lista nav { display: contents; }
.menu-vlevo, .menu-vpravo { display: flex; align-items: center; gap: 2px; min-width: 0; }
.menu-vlevo { grid-area: vlevo; justify-self: start; }
.menu-vpravo { grid-area: vpravo; justify-self: end; }
.menu-hledat { display: inline-flex; align-items: center; gap: 8px; }
.menu-hledat span { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.lista-hledat { grid-area: hledat; display: none; justify-self: center; width: 100%; max-width: 560px; margin-top: 14px; flex: none; }
.lista.hledani-otevreno .lista-hledat { display: flex; }
.lista .lista-ikona { display: none; }
@media (max-width: 1080px) { .lista { column-gap: 12px; } .lista nav a { padding: 7px 9px; } }
@media (max-width: 900px) {
  .lista { grid-template-columns: auto minmax(0, 1fr) auto; grid-template-areas: "lupa logo burger" "menu menu menu" "hledat hledat hledat"; }
  .lista .lista-ikona { display: block; }
  .lista .lista-lupa { grid-area: lupa; margin: 0; }
  .lista .lista-burger { grid-area: burger; }
  .lista .logo-text > span { font-size: 1.55rem; }
  .lista .logo-text small { display: none; }
  .lista nav { display: none; grid-area: menu; flex-direction: column; align-items: stretch; padding-top: 6px; }
  .lista nav:target, .lista nav.otevreno { display: flex; }
  .menu-vlevo, .menu-vpravo { flex-direction: column; align-items: stretch; gap: 0; }
  .menu-hledat span { position: static; width: auto; height: auto; clip: auto; }
  .lista-hledat { max-width: none; }
}