/* ============================================================
   Skladby podlah — elektrické podlahové topení
   podlahove-topeni.eu
   ============================================================ */

/* Info tabulka (záruka / zkušenosti / cena / telefon) */
.pt-info-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.pt-info-cell {
  padding: 6px 20px 6px 0;
  border-right: 1px solid var(--colors-foregrounds-borders-secondary);
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary);
}

.pt-info-cell--last {
  padding: 6px 0 6px 20px;
  border-right: none;
}

.pt-info-title {
  display: block;
  color: var(--colors-foregrounds-content-primary);
}

/* Navigační seznam skladeb */
.pt-nav-title {
  font-size: 13px;
  font-weight: bold;
  color: var(--colors-foregrounds-content-primary);
  margin: 0 0 6px;
}

.pt-nav-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pt-nav-item,
.pt-nav-item:hover,
.pt-nav-item:focus,
.pt-nav-item:visited {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  border-radius: 8px;
  background: #ffffff;
  border: 1px solid #e8e5df;
  text-decoration: none !important;
  color: #1e1c17;
  font-size: 13.5px;
  line-height: 1.4;
}

.pt-nav-item:hover {
  border-color: var(--color-primary, #c0392b);
}

.pt-nav-item span {
  text-decoration: none !important;
}

.pt-nav-num {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #f3ede8;
  color: var(--color-primary, #c0392b);
  font-size: 11.5px;
  font-weight: bold;
}

.pt-nav-arrow {
  margin-left: auto;
  font-size: 18px;
  color: #ccc;
  flex-shrink: 0;
}

/* Filtry */
.pt-filters {
  margin-bottom: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.pt-filters-label {
  font-size: 12px;
  color: var(--colors-foregrounds-content-tertiary);
  margin-right: 4px;
}

/* Nadpis karty */
.pt-card-title {
  font-size: 16px;
  font-weight: bold;
  color: var(--colors-foregrounds-headlines-primary);
  margin: 0 0 10px;
  line-height: 1.3;
}

/* Tagy — obal */
.pt-tags {
  margin-bottom: 12px;
}

/* Popis karty */
.pt-card-desc {
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary);
  line-height: 1.65;
  margin: 0 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--colors-foregrounds-borders-secondary);
}

/* Cena — detaily */
.pt-price-label {
  font-size: 11px;
  color: var(--colors-foregrounds-content-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin: 0 0 2px;
}

.pt-price-value {
  font-size: 22px;
  font-weight: bold;
  color: var(--colors-state-success);
  margin: 0 0 2px;
}

.pt-price-unit {
  font-size: 13px;
  font-weight: 400;
}

.pt-price-note {
  font-size: 11px;
  color: var(--colors-foregrounds-content-tertiary);
  margin: 0;
}

/* Mezera nad SVG průřezem */
.pt-label--svg {
  margin-top: 16px;
}

/* FAQ sekce */
.pt-faq-section {
  margin-top: 40px;
}

.pt-faq-heading {
  font-size: 18px;
  font-weight: bold;
  color: var(--colors-foregrounds-headlines-primary);
  margin: 0 0 4px;
}

.pt-faq-intro {
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary);
  margin: 0 0 20px;
}

.pt-faq-box {
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  background: var(--colors-surface-primary);
  padding: 0 16px;
}

/* Karta skladby */
.pt-card {
  display: block;
  margin-bottom: 20px;
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  border-top: 3px solid var(--color-primary, #c0392b);
  background: var(--colors-surface-primary);
  overflow: hidden;
}

.pt-card-body {
  padding: 20px 22px;
}

.pt-card-side {
  padding: 20px 16px;
  border-top: 1px solid var(--colors-foregrounds-borders-secondary);
}

@media (min-width: 768px) {
  .pt-card-grid {
    display: flex;
  }

  .pt-card-body {
    flex: 7;
    min-width: 0;
  }

  .pt-card-side {
    flex: 5;
    min-width: 0;
    border-top: none;
    border-left: 1px solid var(--colors-foregrounds-borders-secondary);
  }
}

/* Filtrovací tlačítka */
.pt-fbtn {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
  background: var(--colors-surface-secondary);
  color: var(--colors-foregrounds-content-secondary);
  text-decoration: none;
  transition: all 0.12s;
}

.pt-fbtn:hover,
.pt-fbtn:focus {
  border-color: var(--color-primary, #c0392b);
  color: var(--color-primary, #c0392b);
  text-decoration: none;
}

.pt-fbtn.active {
  background: var(--color-primary, #c0392b);
  color: #fff;
  border-color: var(--color-primary, #c0392b);
}

/* Tabulka specifikací */
.pt-spec {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  margin: 0 0 14px;
}

.pt-spec tr {
  border-bottom: 1px solid var(--colors-foregrounds-borders-secondary);
}

.pt-spec tr:last-child {
  border-bottom: none;
}

.pt-spec td {
  padding: 5px 6px;
  vertical-align: top;
  color: var(--colors-foregrounds-content-secondary);
}

.pt-spec td:first-child {
  color: var(--colors-foregrounds-content-tertiary);
  white-space: nowrap;
  width: 46%;
  font-weight: 700;
}

/* Badge / štítek */
.pt-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 8px;
  background: var(--colors-state-warning);
  color: #fff;
  margin-bottom: 8px;
}

/* Tagy */
.pt-tag {
  display: inline-block;
  font-size: 11px;
  padding: 2px 7px;
  margin: 0 4px 4px 0;
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  color: var(--colors-foregrounds-content-secondary);
  background: var(--colors-surface-secondary);
}

/* Seznam výhod */
.pt-vyhody {
  list-style: none;
  padding: 0;
  margin: 0 0 16px;
}

.pt-vyhody li {
  padding: 2px 0 2px 16px;
  position: relative;
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary);
  line-height: 1.5;
}

.pt-vyhody li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary, #e9701d);
}

/* Cena */
.pt-price {
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  background: var(--colors-surface-secondary);
  padding: 10px 14px;
  margin-bottom: 14px;
}

/* Komponenty — odkazy */
.pt-komponenty {
  margin-bottom: 14px;
}

.pt-komponenty a {
  display: inline-block;
  font-size: 12px;
  color: var(--color-primary, #c0392b);
  text-decoration: none;
  margin: 0 10px 4px 0;
}

.pt-komponenty a:hover {
  text-decoration: underline;
}

/* SVG průřez */
.pt-svg-wrap {
  border: 1px solid var(--colors-foregrounds-borders-secondary);
  overflow: hidden;
}

.pt-svg-wrap svg {
  display: block;
  width: 100%;
}

/* Fotografie */
.pt-foto {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  display: block;
  border: 1px solid var(--colors-foregrounds-borders-secondary);
}

.pt-foto-ph {
  width: 100%;
  aspect-ratio: 3 / 2;
  background: var(--colors-surface-secondary);
  border: 1px dashed var(--colors-foregrounds-borders-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
  color: var(--colors-foregrounds-content-tertiary);
  font-size: 12px;
  text-align: center;
  padding: 12px;
}

/* Popisek sekce */
.pt-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--colors-foregrounds-content-tertiary);
  margin: 0 0 8px;
}

/* FAQ */
.pt-faq-item {
  border-bottom: 1px solid var(--colors-foregrounds-borders-secondary);
}

.pt-faq-item:last-child {
  border-bottom: none;
}

.pt-faq-item summary {
  padding: 13px 32px 13px 0;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  color: var(--colors-foregrounds-headlines-primary);
  line-height: 1.4;
  list-style: none;
  position: relative;
}

.pt-faq-item summary::-webkit-details-marker {
  display: none;
}

.pt-faq-item summary::after {
  content: '';
  position: absolute;
  right: 4px;
  top: 50%;
  margin-top: -5px;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--colors-foregrounds-content-tertiary);
  border-bottom: 2px solid var(--colors-foregrounds-content-tertiary);
  transform: rotate(45deg);
  transition: transform 0.2s;
}

.pt-faq-item[open] summary::after {
  transform: rotate(-135deg);
  margin-top: -3px;
}

.pt-faq-item .pt-faq-answer {
  padding: 0 0 14px;
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary);
  line-height: 1.7;
}

/* ============================================================
   Obecné informace - příprava, výběr
   Doplňkové styly k boxmenu.css + skladby-podlah.css
   Accordion kapitol na nativním <details>
   ============================================================ */

.pt-oi-chapters { margin: 0 0 22px; }

/* Karta kapitoly */
.pt-oi-ch {
  border: 1px solid var(--colors-foregrounds-borders-secondary, #e0e0e0);
  border-top: 4px solid var(--color-primary, #e9701d);
  border-radius: 8px;
  background: var(--colors-surface-primary, #fff);
  margin-bottom: 10px;
  overflow: hidden;
}

.pt-oi-ch > summary {
  list-style: none;
  cursor: pointer;
  position: relative;
  padding: 13px 40px 13px 16px;
}

.pt-oi-ch > summary::-webkit-details-marker { display: none; }

/* Šipka (mirror .pt-faq-item summary::after) */
.pt-oi-ch > summary::after {
  content: '';
  position: absolute;
  right: 17px;
  top: 19px;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--colors-foregrounds-content-tertiary, #999);
  border-bottom: 2px solid var(--colors-foregrounds-content-tertiary, #999);
  transform: rotate(45deg);
  transition: transform 0.2s;
}

.pt-oi-ch[open] > summary::after {
  transform: rotate(-135deg);
  top: 23px;
  border-color: var(--color-primary, #e9701d);
}

.pt-oi-head { display: flex; align-items: center; gap: 11px; }

.pt-oi-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--colors-foregrounds-headlines-primary, #7b1903);
  line-height: 1.3;
}

.pt-oi-perex {
  display: block;
  margin: 7px 0 0 35px;
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary, #555);
  line-height: 1.6;
}

/* Detail kapitoly */
.pt-oi-answer { padding: 2px 16px 16px 35px; }
.pt-oi-answer > *:first-child { margin-top: 0; }

.pt-oi-answer h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--colors-foregrounds-headlines-primary, #7b1903);
  margin: 16px 0 7px;
}

.pt-oi-answer p {
  font-size: 13px;
  color: var(--colors-foregrounds-content-secondary, #555);
  line-height: 1.65;
  margin: 0 0 10px;
}

.pt-oi-answer p strong,
.pt-oi-answer li strong { color: var(--colors-foregrounds-content-primary, #1e1c17); }

/* Poznámka / skladba */
.pt-oi-note {
  background: var(--colors-surface-secondary, #f5f5f5);
  border-left: 3px solid var(--color-primary, #e9701d);
  border-radius: 0 6px 6px 0;
  padding: 10px 14px;
  margin: 12px 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--colors-foregrounds-content-secondary, #555);
}

.pt-oi-note strong { color: var(--colors-foregrounds-content-primary, #1e1c17); }

/* Datová tabulka */
.pt-oi-table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin: 10px 0; }

.pt-oi-table th {
  background: var(--color-primary, #e9701d);
  color: #fff;
  text-align: left;
  font-weight: 600;
  padding: 8px 12px;
}

.pt-oi-table td {
  padding: 7px 12px;
  border-top: 1px solid var(--colors-foregrounds-borders-secondary, #e0e0e0);
  color: var(--colors-foregrounds-content-secondary, #555);
}

.pt-oi-table tr:nth-child(even) td { background: var(--colors-surface-secondary, #f7f7f7); }
.pt-oi-table td strong { color: var(--colors-foregrounds-content-primary, #1e1c17); }

/* Obsah článku - hlavička nad .pt-nav-list */
.pt-oi-toc-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 8px;
}

.pt-oi-toc-head .pt-nav-title { margin: 0; }
.pt-oi-toc-btns { display: flex; gap: 6px; }

/* Obrázkové dvojice (takhle ano / ne) */
.pt-oi-figs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 12px 0 4px; }

.pt-oi-fig {
  margin: 0;
  border: 1px solid var(--colors-foregrounds-borders-secondary, #e0e0e0);
  border-radius: 7px;
  overflow: hidden;
  background: var(--colors-surface-secondary, #f5f5f5);
}

.pt-oi-fig img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; }
.pt-oi-fig figcaption { padding: 7px 11px; font-size: 12px; font-weight: 700; }
.pt-oi-fig--no figcaption { color: var(--colors-state-danger, #c0392b); }
.pt-oi-fig--yes figcaption { color: var(--colors-state-success, #1e8449); }

@media (max-width: 600px) {
  .pt-oi-figs { grid-template-columns: 1fr; }
}