.room-navigation-shell { border-bottom: 1px solid rgba(17,17,17,.1); background: var(--color-background); }
.room-navigation { width: min(calc(100% - (2 * var(--gutter))), var(--content-standard)); margin-inline: auto; display: grid; grid-template-columns: 44px minmax(0, 1fr) 44px; gap: 18px; align-items: center; padding: 16px 0 18px; }
.room-navigation__arrow { width: 42px; height: 42px; border: 1px solid var(--color-border); border-radius: 50%; background: var(--color-surface); font-size: 24px; cursor: pointer; }
.room-navigation__arrow:hover { border-color: var(--color-accent-soft); }
.room-navigation__track { display: flex; justify-content: center; gap: clamp(28px, 5vw, 70px); overflow-x: auto; scrollbar-width: none; scroll-behavior: smooth; }
.room-navigation__track::-webkit-scrollbar { display: none; }
.room-tab { display: grid; justify-items: center; gap: 8px; min-width: 78px; color: var(--color-muted); font-size: 13px; }
.room-tab__image { width: 64px; height: 64px; padding: 3px; border: 1px solid transparent; border-radius: 50%; transition: border-color var(--transition), transform var(--transition); }
.room-tab__image img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; }
.room-tab:hover .room-tab__image { transform: translateY(-2px); border-color: var(--color-border); }
.room-tab.is-active { color: var(--color-text); font-weight: 650; }
.room-tab.is-active .room-tab__image { border-color: var(--color-accent); }

/* Patch 01F — On-demand Showroom room picker */
#room-navigation-root:empty {
  display: none;
}

.room-picker {
  position: absolute;
  z-index: 180;
  top: calc(100% - 8px);
  left: 50%;
  width: min(680px, calc(100vw - (2 * var(--gutter))));
  padding: 18px;
  border: 1px solid rgba(255,255,255,.82);
  border-radius: 26px;
  background: linear-gradient(145deg, rgba(255,255,255,.82), rgba(239,246,250,.66));
  box-shadow: 0 24px 70px rgba(0,0,0,.16), inset 0 1px 0 rgba(255,255,255,.96);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  backdrop-filter: blur(24px) saturate(150%);
  transform: translateX(-50%);
}

.room-picker[hidden] {
  display: none;
}

.room-picker__header {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 2px 4px 14px;
}

.room-picker__eyebrow {
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.room-picker__header strong {
  font-size: 15px;
  font-weight: 650;
}

.room-picker__grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(88px, 1fr));
  gap: 8px;
}

.room-picker__item {
  display: grid;
  justify-items: center;
  gap: 9px;
  padding: 13px 8px 12px;
  border: 1px solid transparent;
  border-radius: 19px;
  color: var(--color-muted);
  font-size: 13px;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.room-picker__item:hover,
.room-picker__item:focus-visible {
  border-color: rgba(255,255,255,.92);
  background: rgba(255,255,255,.48);
  color: var(--color-text);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.92), 0 10px 24px rgba(0,0,0,.07);
  transform: translateY(-2px);
}

.room-picker__item:focus-visible {
  outline: 2px solid rgba(17,17,17,.42);
  outline-offset: 2px;
}

.room-picker__item.is-active {
  border-color: rgba(17,17,17,.28);
  background: rgba(255,255,255,.58);
  color: var(--color-text);
  font-weight: 650;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.94), 0 10px 26px rgba(0,0,0,.08);
}

.room-picker__image {
  width: 58px;
  height: 58px;
  padding: 3px;
  border: 1px solid rgba(255,255,255,.84);
  border-radius: 50%;
  background: rgba(255,255,255,.38);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 7px 18px rgba(0,0,0,.07);
}

.room-picker__image img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.room-picker__label {
  white-space: nowrap;
}

@media (max-width: 900px) {
  .room-picker {
    position: fixed;
    top: auto;
    right: var(--gutter);
    bottom: var(--gutter);
    left: var(--gutter);
    width: auto;
    max-height: min(420px, calc(100svh - (2 * var(--gutter))));
    overflow: auto;
    transform: none;
  }

  .room-picker__grid {
    grid-template-columns: repeat(5, minmax(94px, 1fr));
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
  }

  .room-picker__grid::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 640px) {
  .room-picker {
    padding: 15px;
    border-radius: 24px;
  }

  .room-picker__header {
    padding-bottom: 10px;
  }

  .room-picker__grid {
    grid-template-columns: repeat(5, 92px);
  }

  .room-picker__item {
    padding-inline: 5px;
  }
}

/* Patch 01.11 — Catalog mega menu */
.catalog-mega-menu {
  position: fixed;
  z-index: 190;
  top: calc(var(--header-height) - 1px);
  left: 50vw;
  width: min(1180px, calc(100vw - (2 * var(--gutter))));
  max-height: calc(100svh - var(--header-height) - 24px);
  overflow: auto;
  padding: 25px 27px 29px;
  border: 1px solid rgba(255,255,255,.9);
  border-radius: 0 0 28px 28px;
  background: linear-gradient(145deg, rgba(255,255,255,.98), rgba(246,246,246,.95));
  box-shadow: 0 30px 80px rgba(0,0,0,.16), inset 0 1px 0 rgba(255,255,255,.98);
  -webkit-backdrop-filter: blur(28px) saturate(150%);
  backdrop-filter: blur(28px) saturate(150%);
  transform: translateX(-50%);
  overscroll-behavior: contain;
}

.catalog-mega-menu[hidden] {
  display: none;
}

.catalog-mega-menu__topline {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  padding: 2px 3px 20px;
  border-bottom: 1px solid rgba(17,17,17,.12);
}

.catalog-mega-menu__topline > div {
  display: grid;
  gap: 5px;
}

.catalog-mega-menu__eyebrow {
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.catalog-mega-menu__topline strong {
  color: var(--color-text);
  font-size: 20px;
  font-weight: 650;
  letter-spacing: -.025em;
}

.catalog-mega-menu__all {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 42px;
  padding: 0 15px;
  border: 1px solid rgba(17,17,17,.16);
  border-radius: 999px;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
}

.catalog-mega-menu__all:hover,
.catalog-mega-menu__all:focus-visible {
  border-color: rgba(17,17,17,.32);
  background: rgba(255,255,255,.72);
  transform: translateY(-1px);
}

.catalog-mega-menu__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  padding-top: 19px;
}

.catalog-mega-menu__group {
  position: relative;
  min-width: 0;
  padding: 10px 23px 22px;
  border-right: 1px solid rgba(17,17,17,.1);
}

.catalog-mega-menu__group:nth-child(4n) {
  border-right: 0;
}

.catalog-mega-menu__group:nth-child(n + 5) {
  padding-top: 24px;
  border-top: 1px solid rgba(17,17,17,.1);
}

.catalog-mega-menu__index {
  display: block;
  margin-bottom: 10px;
  color: rgba(17,17,17,.48);
  font-size: 10px;
  font-weight: 750;
  letter-spacing: .12em;
}

.catalog-mega-menu__group-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: auto;
  margin-bottom: 13px;
  color: var(--color-text);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.25;
}

.catalog-mega-menu__group-title span {
  color: var(--color-muted);
  font-size: 12px;
  transition: transform var(--transition), color var(--transition);
}

.catalog-mega-menu__group-title:hover span,
.catalog-mega-menu__group-title:focus-visible span {
  color: var(--color-accent);
  transform: translate(2px, -2px);
}

.catalog-mega-menu__group ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.catalog-mega-menu__group li {
  min-width: 0;
}

.catalog-mega-menu__group li a {
  display: inline-flex;
  min-height: auto;
  color: var(--color-muted);
  font-size: 13px;
  line-height: 1.35;
  transition: color var(--transition), transform var(--transition);
}

.catalog-mega-menu__group li a:hover,
.catalog-mega-menu__group li a:focus-visible {
  color: var(--color-text);
  transform: translateX(3px);
}

.catalog-mega-menu a:focus-visible {
  outline: 2px solid rgba(17,17,17,.42);
  outline-offset: 3px;
  border-radius: 5px;
}

@media (max-width: 1100px) {
  .catalog-mega-menu__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .catalog-mega-menu__group,
  .catalog-mega-menu__group:nth-child(4n) {
    border-right: 1px solid rgba(17,17,17,.1);
  }

  .catalog-mega-menu__group:nth-child(3n) {
    border-right: 0;
  }

  .catalog-mega-menu__group:nth-child(n + 4) {
    padding-top: 24px;
    border-top: 1px solid rgba(17,17,17,.1);
  }
}

@media (max-width: 900px) {
  .catalog-mega-menu {
    position: fixed;
    top: auto;
    right: var(--gutter);
    bottom: var(--gutter);
    left: var(--gutter);
    width: auto;
    max-height: min(680px, calc(100svh - (2 * var(--gutter))));
    border-radius: 26px;
    transform: none;
  }

  .catalog-mega-menu__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .catalog-mega-menu__group,
  .catalog-mega-menu__group:nth-child(3n),
  .catalog-mega-menu__group:nth-child(4n) {
    border-right: 1px solid rgba(17,17,17,.1);
  }

  .catalog-mega-menu__group:nth-child(2n) {
    border-right: 0;
  }

  .catalog-mega-menu__group:nth-child(n + 3) {
    padding-top: 24px;
    border-top: 1px solid rgba(17,17,17,.1);
  }
}

@media (max-width: 640px) {
  .catalog-mega-menu {
    padding: 18px;
  }

  .catalog-mega-menu__topline {
    align-items: start;
  }

  .catalog-mega-menu__topline strong {
    font-size: 17px;
  }

  .catalog-mega-menu__all {
    width: 42px;
    min-width: 42px;
    padding: 0;
    justify-content: center;
    font-size: 0;
  }

  .catalog-mega-menu__all span {
    font-size: 15px;
  }

  .catalog-mega-menu__grid {
    grid-template-columns: 1fr;
  }

  .catalog-mega-menu__group,
  .catalog-mega-menu__group:nth-child(2n),
  .catalog-mega-menu__group:nth-child(3n),
  .catalog-mega-menu__group:nth-child(4n) {
    border-right: 0;
    border-top: 1px solid rgba(17,17,17,.1);
    padding: 20px 5px;
  }

  .catalog-mega-menu__group:first-child {
    border-top: 0;
  }
}