/* PDP stavebniny – stavebné kalkulačky. Dopĺňa style.css a používa jeho premenné (farby, zaoblenia, tiene). */

.kalk-sr {
  position: absolute !important; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); clip-path: inset(50%); white-space: nowrap; border: 0;
}

/* Kompaktná hlavička – kalkulačka má byť čo najvyššie */
.kalk-hero { padding: clamp(22px, 4vw, 44px) 0 clamp(26px, 4.4vw, 48px); }
.kalk-hero .breadcrumbs { margin-bottom: 12px; }
.kalk-hero h1 { margin-bottom: .3em; font-size: clamp(1.8rem, 4.2vw, 2.75rem); }
.kalk-hero p.hero-lead { margin: 0; max-width: 46em; font-size: clamp(1rem, 1.5vw, 1.14rem); }
/* Počítač: ešte kompaktnejší úvod, aby bolo „Chcem cenovú ponuku“ po načítaní v prvej obrazovke aj na notebooku s viditeľnou
   plochou 1366 × 657 a 1280 × 720 (4. 10. 2026 tam tlačidlo chýbalo o 22 – 93 px na 12 zo 14 kalkulačiek). Mobil sa nemení. */
@media (min-width: 901px) {
  .kalk-hero { padding: 22px 0 26px; }
  .kalk-hero .breadcrumbs { margin-bottom: 8px; }
  .kalk-hero h1 { font-size: clamp(1.9rem, 2.6vw, 2.4rem); }
}

/* Sekcia a rozloženie: vstupy vľavo, výsledok vpravo (na mobile pod sebou) */
.kalk-sekcia { padding: clamp(20px, 3.4vw, 40px) 0 clamp(48px, 7vw, 80px); background: var(--bg-alt); }
.kalk {
  --kalk-okraj: #d6d1ca;
  display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap: clamp(14px, 2.2vw, 26px); align-items: start; margin: 0;
}
/* Počítač: menšia medzera nad kalkulačkou a pod záložkami režimov (patrí ku kompaktnému úvodu vyššie) */
@media (min-width: 901px) {
  .kalk-sekcia { padding-top: 20px; }
  .kalk { row-gap: 14px; }
}
.kalk-vstupy, .kalk-vystup {
  --kalk-pad: clamp(18px, 3vw, 30px);
  min-width: 0; padding: var(--kalk-pad);
  border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-sm);
}
/* Počítač: panel s výsledkom ide pri posúvaní s vami – bez vnoreného posúvania (žiadny max-height/overflow).
   Keď sa zmestí na obrazovku, je prilepený celý. Vyšší panel (dlhý zoznam materiálu) ide so stránkou, kým nie je vidno
   jeho spodok – --kalk-vystup-top = min(hlavička + 16 px, výška okna − výška panela − 16 px) počíta kalkulacky.js.
   Hlavička panela (hlavný výsledok + „Chcem cenovú ponuku“) ostáva vždy hore, zvyšok panela sa posúva pod ňou. */
@media (min-width: 901px) {
  .kalk-vystup { position: sticky; top: var(--kalk-vystup-top, calc(var(--header-h) + 16px)); }
  .kalk-vypocitaj { display: none; }
}
@media (min-width: 901px) and (min-height: 560px) {
  .kalk-vystup-hlava {
    position: sticky; top: var(--header-h); z-index: 3;
    margin: calc(-1 * var(--kalk-pad)) calc(-1 * var(--kalk-pad)) 0; padding: var(--kalk-pad) var(--kalk-pad) 16px;
    border-radius: calc(var(--radius-lg) - 1px) calc(var(--radius-lg) - 1px) 0 0; background: #fff;
    transition: box-shadow .15s;
  }
  .kalk-vystup-hlava.is-prilepena { border-radius: 0; box-shadow: 0 12px 14px -14px rgba(20, 22, 26, .45); }
}
@media (max-width: 900px) { .kalk { grid-template-columns: 1fr; } }
.kalk-upozornenie { max-width: 60em; margin: 16px 0 0; color: var(--muted); font-size: .88rem; line-height: 1.5; }

/* Záložky režimov (radio skupina, šípky prepínajú) */
.kalk-zalozky {
  grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 6px; min-width: 0; margin: 0; padding: 6px;
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 6px); background: #fff; box-shadow: var(--shadow-sm);
}
.kalk-zalozky label, .kalk-segment label { position: relative; flex: 1 1 0; min-width: 8.5em; }
.kalk-segment label { min-width: 5.5em; }
.kalk-zalozky input, .kalk-segment input { position: absolute; top: 0; left: 0; width: 1px; height: 1px; margin: 0; opacity: 0; }
.kalk-zalozky span {
  display: flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 9px 16px;
  border-radius: var(--radius); color: var(--text); font-weight: 700; text-align: center; line-height: 1.25; cursor: pointer;
  transition: background-color .15s, color .15s;
}
@media (max-width: 480px) { .kalk-zalozky span { padding: 8px 10px; font-size: .94rem; } }
.kalk-zalozky span:hover { background: var(--bg-alt); color: var(--ink); }
.kalk-zalozky input:checked + span { background: var(--ink); color: #fff; }

/* Segmentové tlačidlá (radio) */
.kalk-segment { min-width: 0; margin: 0 0 16px; padding: 0; border: 0; }
.kalk-segment-volby {
  display: flex; flex-wrap: wrap; gap: 3px; padding: 3px;
  border: 1.5px solid var(--kalk-okraj); border-radius: var(--radius); background: var(--bg-alt);
}
.kalk-segment span {
  display: flex; align-items: center; justify-content: center; min-height: 40px; padding: 7px 12px;
  border-radius: 7px; color: var(--text); font-size: .95rem; font-weight: 600; text-align: center; line-height: 1.25; cursor: pointer;
}
.kalk-segment span:hover { color: var(--ink); background: rgba(255, 255, 255, .6); }
.kalk-segment input:checked + span { background: #fff; color: var(--ink); font-weight: 750; box-shadow: var(--shadow-sm); }
.kalk-zalozky input:focus-visible + span, .kalk-segment input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }

/* Skupiny polí */
.kalk-skupina { min-width: 0; margin: 0; padding: 0; border: 0; }
/* Čiara medzi viditeľnými skupinami – nie nad prvou viditeľnou, keď sú skupiny pred ňou skryté (data-kalk-zobraz) */
.kalk-skupina:not([hidden]) ~ .kalk-skupina:not([hidden]) { margin-top: 6px; padding-top: 18px; border-top: 1px solid var(--line); }
.kalk-skupina > legend { float: left; width: 100%; margin: 0 0 12px; padding: 0; color: var(--ink); font-size: 1.02rem; font-weight: 750; }
.kalk-skupina > legend + * { clear: both; }
.kalk-pole { min-width: 0; margin: 0 0 16px; }
.kalk-pole > label, .kalk-segment > legend { display: block; margin: 0 0 6px; padding: 0; color: var(--ink); font-size: .92rem; font-weight: 650; line-height: 1.35; }
.kalk-riadok { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 14px; }
.kalk-riadok--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 560px) { .kalk-riadok--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 380px) { .kalk-riadok, .kalk-riadok--3 { grid-template-columns: 1fr; } }
.kalk-napoveda { margin: 6px 0 0; color: var(--muted); font-size: .86rem; line-height: 1.45; }

.kalk input[type="text"], .kalk input[type="number"], .kalk input:not([type]), .kalk select, .kalk textarea {
  width: 100%; min-height: 48px; padding: 11px 14px;
  border: 1.5px solid var(--kalk-okraj); border-radius: var(--radius); background: #fff; color: var(--ink);
  font: inherit; font-size: 1rem; font-variant-numeric: tabular-nums;
  transition: border-color .15s, box-shadow .15s;
}
.kalk select {
  -webkit-appearance: none; appearance: none; padding-right: 36px; cursor: pointer;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5 6 6.5 11 1.5' fill='none' stroke='%232a2e35' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 13px center;
}
.kalk input:focus, .kalk select:focus, .kalk textarea:focus {
  outline: none; border-color: var(--accent-strong); box-shadow: 0 0 0 4px rgba(200, 65, 44, .15);
}
.kalk input::placeholder { color: #8b919b; }
.kalk [aria-invalid="true"] { border-color: var(--accent-hover); background-color: #fffaf9; }

/* Pole s jednotkou na konci (input + span.kalk-jednotka alebo select.kalk-jednotka) */
.kalk-vstup-jednotka { display: flex; min-width: 0; }
.kalk .kalk-vstup-jednotka > input { flex: 1 1 auto; min-width: 0; border-top-right-radius: 0; border-bottom-right-radius: 0; }
.kalk-jednotka {
  flex: none; display: flex; align-items: center; justify-content: center; min-width: 3.1em; padding: 0 12px;
  border: 1.5px solid var(--kalk-okraj); border-left: 0; border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--bg-alt); color: var(--ink-3); font-weight: 650; white-space: nowrap;
}
.kalk select.kalk-jednotka { width: auto; min-width: 4.6em; padding: 0 30px 0 12px; border-left: 0; border-radius: 0 var(--radius) var(--radius) 0; background-color: var(--bg-alt); background-position: right 10px center; }
.kalk select.kalk-jednotka:focus { border-left: 1.5px solid var(--accent-strong); }

/* Chybové hlásenie pri poli */
.kalk-chyba { display: flex; gap: 8px; align-items: flex-start; margin: 7px 0 0; color: var(--accent-hover); font-size: .88rem; font-weight: 650; line-height: 1.4; }
.kalk-chyba::before {
  content: "!"; flex: none; display: grid; place-items: center; width: 18px; height: 18px; margin-top: 1px;
  border-radius: 50%; background: var(--accent-hover); color: #fff; font-size: .75rem; font-weight: 800;
}

/* Prepínač (checkbox) */
.kalk-prepinac { display: flex; align-items: flex-start; gap: 12px; margin: 0 0 16px; color: var(--ink); font-size: .95rem; font-weight: 600; line-height: 1.4; cursor: pointer; }
.kalk-prepinac input {
  -webkit-appearance: none; appearance: none; position: relative; flex: none; width: 44px; height: 26px; margin: 0;
  border-radius: 999px; background: #8a847c; cursor: pointer; transition: background-color .15s;
}
.kalk-prepinac input::before {
  content: ""; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px;
  border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0, 0, 0, .25); transition: transform .15s;
}
.kalk-prepinac input:checked { background: var(--accent-strong); }
.kalk-prepinac input:checked::before { transform: translateX(18px); }
.kalk-prepinac input:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.kalk-prepinac small { display: block; margin-top: 2px; color: var(--muted); font-size: .86rem; font-weight: 450; }

/* Výsledky: hlavička panela (nadpis, hlavný výsledok, „Chcem cenovú ponuku“), ďalšie výsledky a upozornenia, materiál, akcie */
.kalk-vystup:focus { outline: none; }
.kalk-vystup-hlava { padding-bottom: 16px; }
.kalk-cta { margin-top: 2px; }
.kalk-dalsie[hidden] { display: none; }
/* Dva hlavné výsledky vedľa seba, keď je panel dosť široký – „Chcem cenovú ponuku“ tak ostane v prvej obrazovke */
@media (min-width: 901px) {
  .kalk-hlavne { display: grid; grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr)); gap: 10px; margin: 0 0 10px; }
  .kalk-hlavne .kalk-hlavny { margin: 0; padding: 14px 16px 16px; }
  .kalk-hlavne .kalk-hlavny-hodnota { font-size: clamp(1.7rem, 2.5vw, 2.2rem); }
}
.kalk-vystup-nadpis { margin: 0 0 12px; color: var(--accent-strong); font-size: .82rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; }
.kalk-hlavny { display: block; margin: 0 0 10px; padding: 16px 20px 18px; border-radius: var(--radius-lg); background: var(--ink); color: var(--on-dark); }
.kalk-hlavny-popis { display: block; color: var(--on-dark-muted); font-size: .92rem; font-weight: 600; }
.kalk-hlavny-hodnota {
  display: block; color: #fff; font-size: clamp(2rem, 4.4vw, 2.7rem); font-weight: 800; letter-spacing: -.03em; line-height: 1.12;
  font-variant-numeric: tabular-nums; overflow-wrap: anywhere;
}
.kalk-hlavny .kalk-j { color: var(--accent); font-size: .58em; font-weight: 750; letter-spacing: 0; }
.kalk-hlavny .kalk-pozn { color: var(--on-dark-muted); }
.kalk-zoznam { margin: 0 0 4px; }
.kalk-vysledok { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 2px 16px; padding: 10px 2px; border-bottom: 1px solid var(--line); }
.kalk-vysledok dt { color: var(--muted); font-weight: 550; }
.kalk-vysledok dd { margin: 0; color: var(--ink); font-weight: 750; font-variant-numeric: tabular-nums; text-align: right; }
.kalk-pozn { display: block; flex-basis: 100%; margin-top: 3px; color: var(--muted); font-size: .85rem; font-weight: 450; line-height: 1.45; }
.kalk-vysledok dd.kalk-pozn { text-align: left; font-weight: 450; }
.kalk-prazdne { margin: 0; padding: 18px 20px; border: 1.5px dashed var(--kalk-okraj); border-radius: var(--radius-lg); background: var(--bg-alt); color: var(--text); }
.kalk-varovania { display: grid; gap: 8px; margin: 12px 0 0; }
.kalk-varovania li {
  position: relative; padding: 10px 14px 10px 44px;
  border-left: 4px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--accent-soft); color: var(--ink); font-size: .93rem; line-height: 1.45;
}
.kalk-varovania li::before {
  content: "!"; position: absolute; left: 14px; top: 11px; display: grid; place-items: center; width: 20px; height: 20px;
  border-radius: 50%; background: var(--accent-strong); color: #fff; font-size: .78rem; font-weight: 800;
}
/* Dovoz pri hmotnosti materiálu (BLOK_DOVOZU v kalkulacky.js): pod výsledkami, pred upozorneniami */
.kalk-dovoz { display: flex; align-items: flex-start; gap: 12px; margin: 14px 0 0; padding: 14px 16px; border-radius: var(--radius); background: var(--bg-alt); }
.kalk-dovoz-ikona { width: 26px; height: 26px; color: var(--accent-strong); }
.kalk-dovoz-text { display: grid; gap: 4px; min-width: 0; }
.kalk-dovoz p { margin: 0; color: var(--text); font-size: .9rem; line-height: 1.45; }
.kalk-dovoz .kalk-dovoz-nadpis { color: var(--ink); font-size: .98rem; font-weight: 750; line-height: 1.35; }
.kalk-dovoz .kalk-akcia { justify-self: start; margin-top: 6px; border-color: var(--ink); }
.kalk-dovoz .kalk-akcia:hover { background: var(--ink); color: #fff; }
@media (max-width: 480px) { .kalk-dovoz .kalk-akcia { justify-self: stretch; } }

/* Zoznam materiálu */
.kalk-material { margin-top: 20px; }
.kalk-material > h3 { margin: 0 0 6px; font-size: 1.05rem; }
.kalk-tabulka { width: 100%; border-collapse: collapse; font-size: .95rem; }
.kalk-tabulka th, .kalk-tabulka td { padding: 10px 6px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
.kalk-tabulka th:first-child, .kalk-tabulka td:first-child { padding-left: 0; }
.kalk-tabulka th:last-child, .kalk-tabulka td:last-child { padding-right: 0; }
.kalk-tabulka thead th { padding-top: 4px; color: var(--muted); font-size: .76rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.kalk-tabulka tbody th { color: var(--ink); font-weight: 650; line-height: 1.35; }
.kalk-tabulka small { display: block; margin-top: 2px; color: var(--muted); font-size: .82rem; font-weight: 450; }
.kalk-tabulka .kalk-c { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.kalk-tabulka td.kalk-c { color: var(--ink); font-weight: 700; }
.kalk-tabulka tfoot th, .kalk-tabulka tfoot td { border-bottom: 0; color: var(--ink); font-weight: 750; }
.kalk-tabulka tfoot th { text-align: right; }
.kalk-cena { width: 9.5em; margin-left: auto; }
.kalk .kalk-cena input { min-height: 40px; padding: 7px 9px; text-align: right; font-weight: 600; }
.kalk-cena .kalk-jednotka { min-width: 0; padding: 0 8px; font-size: .82rem; }
.kalk-ceny-prepni {
  display: inline-flex; align-items: center; gap: 6px; margin: 2px 0 8px; padding: 6px 0;
  border: 0; background: none; color: var(--accent-strong); font: inherit; font-size: .93rem; font-weight: 650;
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}
.kalk-ceny-prepni:hover { color: var(--ink); }
/* Bez cien predajne: výzva na cenovú ponuku pod zoznamom; vlastné ceny len ako nenápadný odkaz */
.kalk-ceny-vyzva { display: grid; gap: 10px; margin: 14px 0 0; padding: 14px 16px; border-radius: var(--radius); background: var(--bg-alt); }
.kalk-ceny-vyzva p { margin: 0; color: var(--ink); font-size: .95rem; font-weight: 650; line-height: 1.45; }
.kalk-ceny-vyzva-akcie { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 16px; }
.kalk-ceny-vyzva .kalk-akcia { flex: 0 1 auto; border-color: var(--ink); }
.kalk-ceny-vyzva .kalk-akcia:hover { background: var(--ink); color: #fff; }
.kalk-ceny-vyzva .kalk-ceny-prepni { margin: 0; color: var(--muted); font-size: .86rem; font-weight: 600; }
.kalk-ceny-vyzva .kalk-ceny-prepni:hover { color: var(--ink); }
.kalk-ceny-pozn { margin: 10px 0 0; color: var(--muted); font-size: .84rem; line-height: 1.45; }
.kalk-ceny-pozn:empty { display: none; }
.kalk-tabulka small.kalk-cena-pdp { margin-top: 3px; color: var(--accent-strong); font-size: .76rem; font-weight: 650; }
/* Tovar, ktorý predajňa nepredáva (piesok, štrk …) – v zozname len pre informáciu, bez ceny */
.kalk-tabulka small.kalk-nepredavame-pozn { margin-top: 3px; color: var(--muted); font-size: .76rem; font-weight: 650; }
.kalk-tabulka tr.kalk-nepredavame th > span, .kalk-tabulka tr.kalk-nepredavame td { color: var(--muted); }
/* Riadky s cenami pod sebou (názov | množstvo, cena | spolu): mobil, počítač (≥ 901 px – panel má najviac ~450 px)
   a úzky tablet (zoznam ≤ 520 px, @container). Tabuľka so 4 stĺpcami sa do panela nezmestí (napr. omietka s prednástrekom
   pri 1280 px: 487 px tabuľka v 449 px zozname, názov stlačený na ~110 px) – pretečenie ani posúvanie v paneli nechceme. */
.kalk-material { container-type: inline-size; }
@media (max-width: 560px), (min-width: 901px) {
  .kalk-tabulka--ceny, .kalk-tabulka--ceny tbody, .kalk-tabulka--ceny tfoot { display: block; width: 100%; }
  .kalk-tabulka--ceny thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .kalk-tabulka--ceny tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .kalk-tabulka--ceny th, .kalk-tabulka--ceny td { display: block; padding: 0; border: 0; }
  .kalk-tabulka--ceny tfoot tr { padding: 8px 0; border: 0; }
  .kalk-tabulka--ceny tfoot th { text-align: left; }
  .kalk-tabulka--ceny .kalk-cena { margin-left: 0; }
}
@container (max-width: 520px) {
  .kalk-tabulka--ceny, .kalk-tabulka--ceny tbody, .kalk-tabulka--ceny tfoot { display: block; width: 100%; }
  .kalk-tabulka--ceny thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
  .kalk-tabulka--ceny tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 6px 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
  .kalk-tabulka--ceny th, .kalk-tabulka--ceny td { display: block; padding: 0; border: 0; }
  .kalk-tabulka--ceny tfoot tr { padding: 8px 0; border: 0; }
  .kalk-tabulka--ceny tfoot th { text-align: left; }
  .kalk-tabulka--ceny .kalk-cena { margin-left: 0; }
}

/* Akcie: dopyt, odkaz, tlač, vloženie */
.kalk-akcie { display: grid; gap: 10px; margin-top: 20px; }
.kalk-akcie-riadok { display: flex; flex-wrap: wrap; gap: 8px; }
.kalk-akcia {
  display: inline-flex; flex: 1 1 auto; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 8px 12px;
  border: 1.5px solid var(--kalk-okraj); border-radius: var(--radius); background: #fff; color: var(--ink);
  font: inherit; font-size: .9rem; font-weight: 650; line-height: 1.2; cursor: pointer; transition: border-color .15s, background-color .15s, color .15s;
}
.kalk-akcia:hover { border-color: var(--ink); }
.kalk-akcia[aria-expanded="true"] { border-color: var(--ink); background: var(--ink); color: #fff; }
.kalk-akcia .icon { width: 1.1em; height: 1.1em; }
.kalk-stav { min-height: 1.4em; margin: 0; color: var(--ink-3); font-size: .88rem; font-weight: 550; line-height: 1.45; }
.kalk-stav:empty { min-height: 0; }
/* „Vložiť kalkulačku na váš web“ – nenápadný textový odkaz pod akciami */
.kalk-vlozit-odkaz {
  display: inline-flex; align-items: center; justify-self: start; gap: 6px; min-height: 32px; margin: 0; padding: 4px 0;
  border: 0; background: none; color: var(--muted); font: inherit; font-size: .86rem; font-weight: 600; line-height: 1.3;
  text-decoration: underline; text-decoration-color: var(--kalk-okraj); text-underline-offset: 3px; cursor: pointer;
}
.kalk-vlozit-odkaz:hover, .kalk-vlozit-odkaz[aria-expanded="true"] { color: var(--ink); text-decoration-color: currentColor; }
.kalk-vlozit-odkaz .icon { width: 1.05em; height: 1.05em; }
.kalk-vlozit { margin-top: 14px; padding: 16px; border-radius: var(--radius); background: var(--bg-alt); font-size: .93rem; }
.kalk-vlozit p { margin: 0 0 10px; }
.kalk-vlozit-nadpis { color: var(--ink); font-weight: 750; }
.kalk .kalk-vlozit textarea {
  display: block; min-height: 150px; margin-bottom: 10px; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .78rem; line-height: 1.45;
}
textarea.kalk-zvyraznene { border-color: var(--accent-strong); box-shadow: 0 0 0 4px rgba(200, 65, 44, .22); }
.form-card.kalk-zvyraznene { box-shadow: 0 0 0 4px rgba(200, 65, 44, .22), var(--shadow); transition: box-shadow .3s; }

/* Formulár „Chcem cenovú ponuku“ (#ponuka) pod kalkulačkou – náhľad materiálu plní kalkulacky.js */
.kalk-ponuka .section-head { margin-bottom: clamp(24px, 4vw, 40px); }
.kalk-ponuka-kroky { display: grid; gap: 14px; margin: 0; padding: 0; list-style: none; counter-reset: krok; }
.kalk-ponuka-kroky li { position: relative; min-height: 32px; padding: 3px 0 0 46px; color: var(--muted); line-height: 1.5; }
.kalk-ponuka-kroky li::before {
  counter-increment: krok; content: counter(krok); position: absolute; left: 0; top: 0;
  display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%;
  background: var(--ink); color: #fff; font-size: .9rem; font-weight: 800;
}
.kalk-ponuka-kroky strong { display: block; color: var(--ink); }
.kalk-ponuka .contact-list { margin-top: 28px; }
@media (max-width: 900px) { .kalk-ponuka-karta { order: -1; } }   /* na mobile formulár hneď pod nadpisom, kontakty pod ním */
.kalk-ponuka .field > span small { color: var(--muted); font-size: .86rem; font-weight: 450; }
/* Odznak recenzií nad formulárom (vzhľad .recenzie-odznak je v style.css, tu len odstup pod úvodnou vetou karty) */
.kalk-ponuka-karta > .kalk-ponuka-odznak { margin: -6px 0 18px; }
.kalk-ponuka-material { margin: 0 0 18px; padding: 14px 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--bg-alt); }
.kalk-ponuka-hlava { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 2px 12px; margin: 0 0 6px; color: var(--ink); }
.kalk-ponuka-hlava a { font-size: .88rem; font-weight: 650; }
.kalk-ponuka-zoznam { max-height: 17rem; margin: 0; padding: 0 4px 0 0; overflow-y: auto; list-style: none; overscroll-behavior: contain; }
.kalk-ponuka-zoznam:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.kalk-ponuka-zoznam li { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: .92rem; line-height: 1.35; }
.kalk-ponuka-zoznam li:last-child { border-bottom: 0; }
.kalk-ponuka-zoznam span { min-width: 0; color: var(--text); overflow-wrap: anywhere; }
.kalk-ponuka-zoznam strong { flex: none; color: var(--ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.kalk-ponuka-prazdne { margin: 0; color: var(--text); font-size: .93rem; line-height: 1.5; }
.kalk-ponuka-prazdne strong { display: block; margin-bottom: 2px; color: var(--ink); }
.kalk-ponuka-pozn { margin: 8px 0 0; color: var(--muted); font-size: .84rem; line-height: 1.45; }

/* Mobil: lišta s hlavným výsledkom pri spodnom okraji, kým je vidno vstupy */
.kalk-mini { display: none; }
@media (max-width: 900px) {
  .kalk-mini {
    position: sticky; bottom: 12px; z-index: 30; display: flex; align-items: center; gap: 10px;
    margin: 18px 0 0; padding: 10px 16px; border-radius: 999px; background: var(--ink); color: #fff;
    box-shadow: var(--shadow-lg); font-size: .95rem; cursor: pointer; transition: opacity .2s, visibility .2s;
  }
  .kalk-mini--skryte { visibility: hidden; opacity: 0; }
  .kalk-mini-popis { flex: 1 1 auto; min-width: 0; overflow: hidden; color: var(--on-dark-muted); font-weight: 600; white-space: nowrap; text-overflow: ellipsis; }
  .kalk-mini-hodnota { font-size: 1.12rem; font-weight: 800; white-space: nowrap; font-variant-numeric: tabular-nums; }
  .kalk-mini-sipka { color: var(--accent); font-weight: 800; }
}
@media (max-width: 760px) { .kalk-mini { bottom: calc(78px + env(safe-area-inset-bottom)); } }
/* Spodná lišta webu na úzkom mobile (320 px): „Cenová ponuka“ na jeden riadok. Dvojriadkové tlačidlo zvýši lištu
   zo 67 na 83 px – prekryje spodok mini lišty s výsledkom (bottom 78 px) aj stránky (body má rezervu 68 px). */
@media (max-width: 359px) { .mobile-bar .btn { padding-inline: 6px; font-size: .95rem; } }

/* Vzorec a postup výpočtu */
.vzorec {
  margin: 18px 0 22px; padding: 16px 20px; overflow-x: auto;
  border-radius: var(--radius); background: var(--ink); color: #fff;
  font-size: clamp(1.05rem, 2vw, 1.3rem); font-weight: 700; line-height: 1.5; font-variant-numeric: tabular-nums;
}
.vzorec var { color: var(--accent); font-style: normal; }
.vzorec small { display: block; margin-top: 6px; color: var(--on-dark-muted); font-size: .9rem; font-weight: 500; }
.postup { display: grid; gap: 10px; margin: 16px 0 22px; counter-reset: krok; }
.postup li { position: relative; padding: 12px 16px 12px 54px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.postup li::before {
  counter-increment: krok; content: counter(krok); position: absolute; left: 14px; top: 12px;
  display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-strong); font-weight: 800; font-size: .9rem;
}
.postup strong { color: var(--ink); font-variant-numeric: tabular-nums; }

/* Tabuľky s referenčnými údajmi – na mobile sa posúva len tabuľka */
.tabulka-obal { width: 100%; margin: 16px 0 22px; overflow-x: auto; -webkit-overflow-scrolling: touch; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.data-table { width: 100%; min-width: 460px; border-collapse: collapse; font-size: .95rem; }
.data-table caption { padding: 12px 14px 4px; color: var(--ink); font-weight: 700; text-align: left; }
.data-table th, .data-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.data-table thead th { background: var(--bg-alt); color: var(--muted); font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.data-table tbody th { color: var(--ink); font-weight: 650; }
.data-table tbody tr:last-child > * { border-bottom: 0; }
.data-table .cislo { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
.data-table sup a, .prose sup a { text-decoration: none; font-weight: 700; }

/* Zdroje údajov */
.zdroje { display: grid; gap: 10px; margin: 16px 0 0; counter-reset: zdroj; }
.zdroj {
  position: relative; padding: 12px 14px 12px 46px;
  border-left: 3px solid var(--accent); border-radius: 0 var(--radius) var(--radius) 0;
  background: #fff; font-size: .93rem; line-height: 1.5; overflow-wrap: anywhere;
}
.zdroj::before { counter-increment: zdroj; content: "[" counter(zdroj) "]"; position: absolute; left: 12px; top: 12px; color: var(--accent-strong); font-weight: 750; }
.zdroj cite { color: var(--ink); font-style: normal; font-weight: 650; }
.zdroj q { color: var(--muted); font-style: italic; quotes: "„" "“"; }
.zdroj small { display: block; margin-top: 2px; color: var(--muted); }
.zdroj:target { box-shadow: 0 0 0 3px var(--accent); }

/* Súvisiace kalkulačky (karty používajú .feature a .feature--link zo style.css) */
.kalk-karty .feature-icon { background: var(--ink); color: #fff; }
.kalk-karty .feature--accent .feature-icon { background: var(--accent-strong); }
.kalk-stitok { display: inline-block; margin: 0 0 8px; padding: 2px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-hover); font-size: .78rem; font-weight: 700; }

/* Ukážka kódu (rozcestník) */
.kod {
  margin: 14px 0; padding: 16px 18px; overflow-x: auto; border-radius: var(--radius); background: var(--ink); color: var(--on-dark);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem; line-height: 1.55; white-space: pre;
}

/* Tlačová hlavička a pätička (generuje kalkulacky.js) – na obrazovke skryté */
.kalk-tlac, .kalk-tlac-pata { display: none; }

/* Režim vloženia na cudzí web (?embed=1, trieda is-embed nastavená v <head>) */
.kalk-embed-lista { display: none; }
.is-embed { scroll-padding-top: 0; }
.is-embed body { padding-bottom: 0; background: #fff; }
.is-embed .skip-link, .is-embed .site-header, .is-embed .site-footer, .is-embed .mobile-bar,
.is-embed main > :not(.kalk-sekcia), .is-embed .kalk-mini, .is-embed .kalk-vypocitaj,
.is-embed [data-kalk-akcia="vlozit"], .is-embed .kalk-vlozit { display: none !important; }
.is-embed .kalk-sekcia { padding: 4px 0 6px; background: #fff; }
.is-embed .kalk-sekcia > .container { padding: 0 4px; }
.is-embed .kalk-vystup, .is-embed .kalk-vystup-hlava { position: static; }
.is-embed .kalk-vstupy, .is-embed .kalk-vystup, .is-embed .kalk-zalozky { box-shadow: none; }
.is-embed .kalk-embed-lista { display: block; margin: 0 0 12px; }
.kalk-embed-lista a {
  display: flex; align-items: center; gap: 12px; padding: 8px 14px 8px 8px;
  border: 1px solid var(--line); border-radius: var(--radius-lg); background: #fff; color: var(--ink); text-decoration: none;
}
.kalk-embed-lista a:hover { border-color: var(--ink); color: var(--ink); }
.kalk-embed-lista .brand-mark { width: auto; height: 30px; }
.kalk-embed-lista span { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
.kalk-embed-lista strong { font-weight: 750; }
.kalk-embed-lista small { color: var(--muted); font-size: .84rem; }
.kalk-embed-lista .kalk-embed-sipka { margin-left: auto; color: var(--accent-strong); font-size: 1.2rem; font-weight: 800; }

/* Tlač: názov, dátum, adresa, zadané údaje, výsledky, materiál, upozornenie */
@media print {
  @page { margin: 14mm; }
  html { scroll-behavior: auto; }
  body { padding: 0 !important; background: #fff; color: #000; font-size: 11pt; }
  .skip-link, .site-header, .site-footer, .mobile-bar, main > :not(.kalk-sekcia), .kalk-zalozky, .kalk-vstupy,
  .kalk-akcie, .kalk-vlozit, .kalk-mini, .kalk-ceny-prepni, .kalk-ceny-vyzva, .kalk-dovoz, .kalk-embed-lista, .kalk-vystup-nadpis, .kalk-vypocitaj,
  .kalk-vystup [data-kalk-akcia] { display: none !important; }
  .kalk-sekcia { padding: 0; background: none; }
  .kalk-sekcia > .container { max-width: none; padding: 0; }
  .kalk { display: block; }
  .kalk-vystup { position: static; padding: 0; border: 0; box-shadow: none; }
  .kalk-vystup-hlava { position: static; margin: 0; padding: 0; box-shadow: none; }
  .kalk-hlavne { display: block; }
  .kalk-hlavne .kalk-hlavny { margin: 6pt 0; }
  .kalk-tlac, .kalk-tlac-pata { display: block; }
  .kalk-tlac-firma { margin: 0 0 8pt; padding-bottom: 6pt; border-bottom: 1pt solid #000; font-size: 9pt; }
  .kalk-tlac-nazov { margin: 0 0 4pt; font-size: 18pt; font-weight: 800; }
  .kalk-tlac-meta { margin: 0 0 10pt; font-size: 9pt; overflow-wrap: anywhere; }
  .kalk-tlac-podnadpis, .kalk-material > h3 { margin: 10pt 0 4pt; font-size: 12pt; font-weight: 750; }
  .kalk-tlac-vstupy { margin: 0 0 10pt; }
  .kalk-tlac-vstupy div { display: flex; justify-content: space-between; gap: 12pt; padding: 3pt 0; border-bottom: .5pt solid #999; }
  .kalk-tlac-vstupy dd { margin: 0; font-weight: 700; }
  .kalk-hlavny { margin: 6pt 0; padding: 8pt 10pt; border: 1.5pt solid #000; background: none; color: #000; }
  .kalk-hlavny-popis, .kalk-hlavny .kalk-pozn { color: #333; }
  .kalk-hlavny-hodnota, .kalk-hlavny .kalk-j { color: #000; font-size: 20pt; }
  .kalk-hlavny .kalk-j { font-size: 13pt; }
  .kalk-vysledok, .kalk-tabulka th, .kalk-tabulka td { border-color: #999; }
  .kalk-varovania li { border: 1pt solid #000; background: none; }
  .kalk-varovania li::before { background: #000; }
  .kalk .kalk-cena input { border: 0; padding: 0; min-height: 0; background: none; }
  .kalk-cena .kalk-jednotka { border: 0; background: none; }
  .kalk-tlac-pata { margin: 14pt 0 0; padding-top: 6pt; border-top: 1pt solid #000; font-size: 9pt; font-weight: 700; }
  .kalk-upozornenie, .kalk-ceny-pozn { color: #333; font-size: 8.5pt; }
  .kalk-tabulka small.kalk-cena-pdp { color: #333; }
  .kalk-hlavny, .kalk-tabulka tr, .kalk-tlac-vstupy div, .kalk-vysledok { break-inside: avoid; }
  a { color: #000; text-decoration: none; }
}