:root {
  /* přepisuje JS podle skutečné výšky .site-header (+ kontext v hlavním sloupci) */
  --header-offset: 4.5rem;
  --site-header-height: 3rem;
  --filtry-sticky-top: var(--site-header-height);
}

.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
}

.site-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "title actions"
    "meta meta";
  align-items: center;
  column-gap: 0.5rem;
  row-gap: 0;
  padding: max(0.45rem, env(safe-area-inset-top, 0px)) max(0.65rem, env(safe-area-inset-right, 0px)) 0.45rem
    max(0.65rem, env(safe-area-inset-left, 0px));
  border-bottom: 1px solid var(--barva-ohrana);
  background: var(--barva-povrch);
  position: sticky;
  top: 0;
  z-index: 20;
}

.site-header__title-row {
  grid-area: title;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
}

.site-header__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__meta {
  grid-area: meta;
  margin: 0;
  font-size: 0.6875rem;
  line-height: 1.35;
  color: var(--barva-text-vedlejsi);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 0 max(0.65rem, env(safe-area-inset-right, 0px)) 0.35rem max(0.65rem, env(safe-area-inset-left, 0px));
  border-bottom: 1px solid var(--barva-ohrana);
  background: var(--barva-povrch-alt);
}

.site-header__meta:not(.hidden) {
  display: block;
  grid-column: 1 / -1;
}

.site-header__meta.hidden {
  display: none;
}

.kontext-pas {
  position: sticky;
  top: var(--site-header-height, 3rem);
  z-index: 19;
  border-bottom: 1px solid var(--barva-ohrana);
  background: var(--barva-povrch-alt);
}

.kontext-pas__inner {
  padding: 0.45rem max(0.65rem, env(safe-area-inset-right, 0px)) 0.5rem max(0.65rem, env(safe-area-inset-left, 0px));
  max-width: 72rem;
  margin-inline: auto;
}

.kontext-pas__radek {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem 0.65rem;
}

.kontext-pas__razeni {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.3rem 0.45rem;
  min-width: 0;
  flex: 1 1 11rem;
  justify-content: flex-end;
}

.kontext-pas__razeni-label {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--barva-text-vedlejsi);
  white-space: nowrap;
}

.kontext-pas__select {
  flex: 1 1 8rem;
  min-width: 0;
  max-width: 100%;
  min-height: 40px;
  font-size: 0.8125rem;
}

.kontext-pas__hlavni {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.35;
  font-weight: 500;
  flex-shrink: 0;
}

.kontext-pas__hlavni strong {
  font-weight: 700;
  font-size: 1rem;
}

.kontext-pas__lomitko {
  font-weight: 400;
  color: var(--barva-text-vedlejsi);
  margin: 0 0.1rem;
}

.kontext-pas__popisek {
  margin-left: 0.25rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--barva-text-vedlejsi);
}

.kontext-pas__vedlejsi {
  margin: 0.2rem 0 0;
  font-size: 0.6875rem;
  line-height: 1.4;
  color: var(--barva-text-vedlejsi);
}

@media (max-width: 767px) {
  .kontext-pas__inner {
    padding-top: 0.3rem;
    padding-bottom: 0.35rem;
  }

  .kontext-pas__vedlejsi {
    display: none;
  }

  .kontext-pas__hlavni strong {
    font-size: 0.9375rem;
  }

  .kontext-pas__select {
    min-height: 44px;
  }
}

@media (min-width: 640px) {
  .kontext-pas__inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .kontext-pas__vedlejsi {
    margin-top: 0;
  }

  .kontext-pas__inner:has(.kontext-pas__vedlejsi) {
    display: block;
  }
}

@media (min-width: 768px) {
  .kontext-pas__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.35rem 1rem;
  }

  .kontext-pas__radek {
    flex: 1 1 auto;
  }

  .kontext-pas__vedlejsi {
    display: block;
    margin: 0;
  }
}

@media (min-width: 900px) {
  .site-header__title {
    font-size: 1.0625rem;
  }
}

.site-header__actions {
  grid-area: actions;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0.2rem;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.site-header__actions::-webkit-scrollbar {
  display: none;
}

.app-body {
  display: grid;
  grid-template-columns: minmax(240px, 280px) 1fr;
  flex: 1;
  align-items: start;
  min-width: 0;
}

@media (max-width: 900px) {
  .app-body {
    grid-template-columns: 1fr;
  }

  .filtry-panel {
    border-right: none;
    border-bottom: 1px solid var(--barva-ohrana);
  }
}

.filtry-panel {
  position: sticky;
  top: var(--filtry-sticky-top, var(--site-header-height, 3rem));
  z-index: 18;
  max-height: calc(100dvh - var(--filtry-sticky-top, var(--site-header-height, 3rem)));
  overflow: auto;
  padding: 0.75rem 0.85rem;
  border-right: 1px solid var(--barva-ohrana);
  background: var(--barva-povrch-alt);
}

.obsah-panel {
  padding: 0.5rem max(0.65rem, env(safe-area-inset-right, 0px)) max(1.25rem, env(safe-area-inset-bottom, 0px))
    max(0.65rem, env(safe-area-inset-left, 0px));
  min-width: 0;
  width: 100%;
  max-width: 72rem;
  margin-inline: auto;
}

.obsah-panel > .kontext-pas {
  margin: 0 calc(-1 * max(0.65rem, env(safe-area-inset-left, 0px))) 0.45rem;
  width: auto;
  max-width: none;
  border-left: none;
  border-right: none;
}

@media (min-width: 640px) {
  .obsah-panel > .kontext-pas {
    margin-left: -1rem;
    margin-right: -1rem;
  }
}

@media (min-width: 900px) {
  .obsah-panel > .kontext-pas {
    margin-left: -1.25rem;
    margin-right: -1.25rem;
  }
}

@media (min-width: 640px) {
  .obsah-panel {
    padding: 0.65rem 1rem 2rem;
  }
}

@media (min-width: 900px) {
  .obsah-panel {
    padding: 0.75rem 1.25rem 2rem;
  }
}

.vyhledavani-zona {
  margin-bottom: 0.5rem;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--barva-ohrana);
  border-radius: var(--radius);
  background: var(--barva-povrch);
}

@media (max-width: 767px) {
  .vyhledavani-zona {
    margin-bottom: 0.4rem;
    padding: 0.45rem 0.55rem;
  }

  .vyhledavani-zona__napoveda {
    display: none;
  }

  .vyhledavani-zona__label,
  .vyhledavani-zona label {
    margin-bottom: 0.25rem;
  }
}

.vyhledavani-zona__label,
.vyhledavani-zona label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--barva-text-vedlejsi);
  margin-bottom: 0.35rem;
}

.vyhledavani-zona__napoveda {
  margin: 0.35rem 0 0;
  font-size: 0.6875rem;
  line-height: 1.4;
  color: var(--barva-text-vedlejsi);
}

.kbd {
  display: inline-block;
  padding: 0.05rem 0.35rem;
  font-size: 0.625rem;
  font-family: inherit;
  border: 1px solid var(--barva-ohrana);
  border-radius: var(--radius);
  background: var(--barva-povrch-alt);
}

.detail-nav {
  margin-bottom: 0.85rem;
}

@media (max-width: 900px) {
  .filtry-panel:not(.filtry-panel--otevreno) .filtry-panel__vnitrek {
    display: none;
  }
}

@media (max-width: 900px) {
  .filtry-panel.filtry-panel--otevreno {
    position: fixed;
    left: 0;
    right: 0;
    top: var(--site-header-height, 3rem);
    bottom: auto;
    z-index: 25;
    width: auto;
    height: calc(100dvh - var(--site-header-height, 3rem));
    max-height: calc(100dvh - var(--site-header-height, 3rem));
    overflow-x: hidden;
    overflow-y: scroll;
    overscroll-behavior: contain;
    scrollbar-gutter: stable;
    scrollbar-width: thin;
    scrollbar-color: var(--barva-akcent) var(--barva-povrch);
    box-shadow: none;
    border-bottom: none;
    touch-action: pan-y;
    padding-bottom: max(0.75rem, env(safe-area-inset-bottom, 0px));
  }

  .filtry-panel.filtry-panel--otevreno::-webkit-scrollbar {
    width: 10px;
  }

  .filtry-panel.filtry-panel--otevreno::-webkit-scrollbar-track {
    background: var(--barva-povrch);
  }

  .filtry-panel.filtry-panel--otevreno::-webkit-scrollbar-thumb {
    background: var(--barva-akcent);
    border-radius: 999px;
    border: 2px solid var(--barva-povrch);
  }

  #btn-filtry-mobil {
    display: inline-flex;
  }
}

@media (min-width: 901px) {
  #btn-filtry-mobil {
    display: none;
  }

  .filtry-panel .filtry-panel__vnitrek {
    display: block;
  }
}

.banner-wrap {
  padding: 0 0.75rem;
}

@media (min-width: 640px) {
  .banner-wrap {
    padding: 0 1rem;
  }
}