/* Mobile drill-down catalog navigation (shared: catalog + home). */
:root {
  --mobile-header-h: calc(56px + env(safe-area-inset-top, 0px));
  --main-primary: #2583c9;
  --main-primary-hover: #1979c1;
  --main-border: #d7dce5;
  --main-BGlight: #f3f6f9;
  --main-active: #1788eb;
  --text-paragraph: #151515;
  --text-link: #2583c9;
  --text-grey: #8a94a6;
  --text-greyLight: #aeb6c5;
}

/* Mobile drill-down catalog navigation (Ozon-like). */
.catalog-mobile-nav {
  display: none;
}

/* Opener lives next to search; keep only the dropdown panels. */
.catalog-mobile-nav__trigger {
  display: none !important;
}

.catalog-mobile-nav--desktop {
  position: static;
  width: auto;
  height: auto;
  margin: 0;
  overflow: visible;
}

.catalog-mobile-nav--desktop .catalog-mobile-nav__trigger {
  width: 100%;
}

.catalog-nav-drilldown {
  display: none;
}

.catalog-nav-drilldown.is-open {
  display: block;
}

.catalog-nav-drilldown__backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.62);
  z-index: 2094;
}

.catalog-nav-drilldown__panel {
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;
  max-height: 100vh;
  width: 320px;
  max-width: 100vw;
  background: #fff;
  z-index: 2095;
  overflow-y: auto;
}

@media (max-width: 1199px) {
  .catalog-nav-drilldown__backdrop {
    inset: var(--mobile-header-h) 0 0 0;
  }

  .catalog-nav-drilldown__panel {
    top: var(--mobile-header-h);
    height: calc(100vh - var(--mobile-header-h));
    max-height: calc(100dvh - var(--mobile-header-h));
  }
}

.catalog-nav-drilldown__body {
  position: relative;
}

.catalog-nav-drilldown__children-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--main-border);
  position: sticky;
  top: 0;
  background: #fff;
  z-index: 1;
}

.catalog-nav-drilldown__back-btn {
  border: 0;
  background: transparent;
  padding: 8px 0;
  margin-top: 0;
  height: auto;
  font-size: 16px;
  line-height: 20px;
  cursor: pointer;
  color: var(--text-link);
}

.catalog-nav-drilldown__children-title {
  font-weight: 700;
  font-size: 16px;
  line-height: 22px;
}

/* Override global button/link styles — crumbs share one look. */
button.catalog-nav-drilldown__crumb,
a.catalog-nav-drilldown__crumb {
  display: inline;
  border: 0;
  background: transparent;
  padding: 0;
  margin: 0;
  margin-top: 0;
  height: auto;
  min-height: 0;
  font: inherit;
  font-weight: 600;
  font-size: inherit;
  line-height: inherit;
  color: var(--text-link) !important;
  text-decoration: none !important;
  cursor: pointer;
  vertical-align: baseline;
  border-radius: 0;
  box-shadow: none;
}

button.catalog-nav-drilldown__crumb:hover,
button.catalog-nav-drilldown__crumb:focus,
a.catalog-nav-drilldown__crumb:hover,
a.catalog-nav-drilldown__crumb:focus {
  color: var(--text-link) !important;
  text-decoration: none !important;
}

.catalog-nav-drilldown__crumb-sep {
  display: inline;
  margin: 0 6px;
  color: var(--text-greyLight);
  line-height: inherit;
  vertical-align: baseline;
}

.catalog-nav-drilldown__crumb-current {
  display: inline;
  color: var(--text-paragraph);
  line-height: inherit;
  vertical-align: baseline;
}

.catalog-nav-drilldown__desktop-placeholder {
  display: none;
}

.catalog-nav-drilldown__list {
  list-style: none;
  padding: 10px 0;
  margin: 0;
}

.catalog-nav-drilldown__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 16px;
  text-decoration: none;
  color: var(--text-paragraph);
}

.catalog-nav-drilldown__item:hover {
  background: var(--main-BGlight);
  color: var(--text-link);
}

.catalog-nav-drilldown__item--active {
  font-weight: 700;
  color: var(--main-active);
}

.catalog-nav-drilldown__item-main {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.catalog-nav-drilldown__item-thumb {
  width: 32px;
  height: 32px;
  object-fit: contain;
  border-radius: 4px;
  background: #fff;
  flex-shrink: 0;
}

.catalog-nav-drilldown__item-label {
  line-height: 1.25;
}

.catalog-nav-drilldown__item--back .catalog-nav-drilldown__item-label {
  font-weight: 600;
}

.catalog-nav-drilldown__item-arrow {
  color: var(--text-link);
  flex-shrink: 0;
}

@media (max-width: 992px) {
  .catalog-mobile-nav--mobile {
    display: block;
    margin: 0;
    padding: 0;
    height: 0;
    overflow: visible;
  }

  .catalog-mobile-nav--mobile .catalog-mobile-nav__trigger {
    width: 100%;
    background: var(--main-primary);
    color: #fff;
    border-radius: 10px;
    padding: 12px 14px;
    font-weight: 700;
    border: 0;
    cursor: pointer;
  }

  /* Sidebar «Категория» stays visible; flyout mega-menu is desktop-only. */
  .catalog-mobile-nav--desktop {
    display: none;
  }

  /* Stretch side sheet to the bottom of the viewport (avoid short 100vh/content height). */
  .catalog-nav-drilldown__panel {
    top: var(--mobile-header-h, 56px);
    right: auto;
    bottom: 0;
    left: 0;
    height: auto;
    max-height: none;
    width: min(320px, 100vw);
    overflow: hidden;
    display: flex;
    flex-direction: column;
  }

  .catalog-nav-drilldown__body {
    flex: 1 1 auto;
    min-height: 0;
    height: 100%;
    background: #fff;
    overflow: hidden;
  }

  .catalog-nav-drilldown__level--root,
  .catalog-nav-drilldown__level--children {
    height: 100%;
    min-height: 100%;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    background: #fff;
    box-sizing: border-box;
  }

  .catalog-nav-drilldown__level--children {
    display: flex;
    flex-direction: column;
  }

  .catalog-nav-drilldown__level--children .catalog-nav-drilldown__list {
    flex: 1 1 auto;
    min-height: 0;
  }
}

@media (min-width: 993px) {
  .catalog-mobile-nav--desktop {
    display: block;
  }

  .catalog-mobile-nav--desktop .catalog-mobile-nav__trigger {
    background: var(--main-BGlight);
    color: var(--main-primary);
    border: 1px solid var(--main-primary);
    border-radius: 8px;
    padding: 10px 14px;
    font-weight: 700;
    cursor: pointer;
  }

  .catalog-mobile-nav--desktop .catalog-mobile-nav__trigger:hover {
    background: var(--main-fieldBG);
  }

  .catalog-mobile-nav--mobile {
    display: none;
  }

  .catalog-open-wrap .catalog-mobile-nav--desktop .catalog-nav-drilldown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 50;
  }

  .catalog-open-wrap .catalog-mobile-nav--desktop .catalog-nav-drilldown__backdrop {
    background-color: transparent;
  }

  .catalog-open-wrap .catalog-mobile-nav--desktop .catalog-nav-drilldown__panel {
    position: absolute;
    top: 8px;
    left: 0;
    width: 760px;
    max-width: min(760px, calc(100vw - 48px));
    height: 560px;
    max-height: calc(100vh - 140px);
    margin: 0;
    border: 1px solid var(--main-border);
    border-radius: 16px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
    overflow: hidden;
  }

  /* Legacy selectors kept for safety if panel is rendered elsewhere */
  .catalog-nav-drilldown__backdrop {
    background-color: transparent;
  }

  .catalog-nav-drilldown__panel {
    top: auto;
    left: auto;
    width: 760px;
    max-width: min(760px, calc(100vw - 64px));
    height: 560px;
    max-height: calc(100vh - 120px);
    margin-top: 8px;
    border: 1px solid var(--main-border);
    border-radius: 16px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
    overflow: hidden;
  }

  .catalog-mobile-nav--desktop .catalog-nav-drilldown__panel {
    position: absolute;
    left: 0;
  }

  .catalog-mobile-nav--mobile .catalog-nav-drilldown__panel {
    position: fixed;
    top: 72px;
    left: 50%;
    transform: translateX(-50%);
  }

  .catalog-nav-drilldown__body {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    height: 100%;
    min-height: 0;
    background: #fff;
  }

  .catalog-nav-drilldown__level--root {
    border-right: 1px solid var(--main-border);
    height: 100%;
    min-height: 0;
    overflow-y: auto;
  }

  .catalog-nav-drilldown__level--children,
  .catalog-nav-drilldown__desktop-placeholder {
    min-height: 0;
    height: 100%;
    overflow: hidden;
    background: #fff;
  }

  .catalog-nav-drilldown__level--children[hidden],
  .catalog-nav-drilldown__desktop-placeholder[hidden] {
    display: none;
  }

  .catalog-nav-drilldown__desktop-placeholder {
    display: block;
    padding: 24px;
    color: var(--text-grey);
    font-weight: 600;
    overflow-y: auto;
  }

  .catalog-nav-drilldown__children-header {
    position: relative;
    flex: 0 0 auto;
    padding: 14px 20px 8px;
    border-bottom: 0;
    row-gap: 0;
    column-gap: 8px;
    flex-wrap: wrap;
    align-items: baseline;
    background: #fff;
    z-index: 1;
  }

  .catalog-nav-drilldown__back-btn {
    display: none;
    padding: 0;
    margin-top: 0;
    height: auto;
    font-size: 15px;
    line-height: 20px;
  }

  .catalog-nav-drilldown__children-title {
    font-size: 16px;
    line-height: 22px;
  }

  .catalog-nav-drilldown__level--children {
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
  }

  .catalog-nav-drilldown__level--children .catalog-nav-drilldown__list {
    flex: 1 1 auto;
    padding-top: 0;
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
  }

  .catalog-nav-drilldown__level--children .catalog-nav-drilldown__item {
    padding: 8px 20px;
  }
}