:root {
  --catalog-sidebar-width: 16.25rem;
}

/* Catalog Layout */
.catalog-sidebar {
  flex: 0 0 var(--catalog-sidebar-width);
  width: var(--catalog-sidebar-width);
}

.catalog-sidebar__title {
  font-family: var(--font-family-base);
  font-size: 2.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 2.1875rem;
}

.catalog-menu {
  width: 100%;
  border-top: 1px solid var(--color-border-light);
  border-bottom: 1px solid var(--color-border-light);
  --catalog-menu-icon-width: 1.25rem;
  --catalog-menu-icon-height: 1.3125rem;
  --catalog-menu-icon-gap: 0.75rem;
  --catalog-menu-sub-indent: calc(var(--catalog-menu-icon-width) + var(--catalog-menu-icon-gap));
  --catalog-sub-link-height: 3.25rem;
}

.catalog-menu__group+.catalog-menu__group {
  border-top: 1px solid var(--color-border-light);
}

.catalog-menu__trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1rem 0;
  background: transparent;
  text-align: left;
  transition: color 0.2s ease;
  appearance: none;
  -webkit-appearance: none;
}

.catalog-menu__left {
  display: flex;
  align-items: center;
  align-self: center;
  gap: var(--catalog-menu-icon-gap);
  flex: 1;
  min-width: 0;
}

.catalog-menu__icon {
  position: relative;
  flex-shrink: 0;
  width: var(--catalog-menu-icon-width);
  height: var(--catalog-menu-icon-height);
  line-height: 0;
}

.catalog-menu__icon-img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  transition: opacity 0.2s ease;
}

.catalog-menu__icon-img--hover {
  opacity: 0;
}

.catalog-menu__trigger:hover .catalog-menu__icon-img--default,
.catalog-menu__trigger:focus-visible .catalog-menu__icon-img--default,
.catalog-menu__group--open .catalog-menu__icon-img--default {
  opacity: 0;
}

.catalog-menu__trigger:hover .catalog-menu__icon-img--hover,
.catalog-menu__trigger:focus-visible .catalog-menu__icon-img--hover,
.catalog-menu__group--open .catalog-menu__icon-img--hover {
  opacity: 1;
}

.catalog-menu__group--open .catalog-menu__trigger {
  background: transparent;
}

.catalog-menu__trigger:hover,
.catalog-menu__trigger:focus-visible {
  background: transparent;
}

.catalog-menu__label {
  font-family: var(--font-family-base);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-text-primary);
  transition: color 0.2s ease;
}

.catalog-menu__trigger:hover .catalog-menu__label,
.catalog-menu__trigger:focus-visible .catalog-menu__label,
.catalog-menu__group--open .catalog-menu__label {
  color: var(--color-brand-primary);
}

.catalog-menu__group--open .catalog-menu__label {
  font-weight: 700;
}

.catalog-menu__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  line-height: 0;
  transform: rotate(-90deg);
  transition: transform 0.25s ease;
}

.catalog-menu__arrow img {
  width: 1rem;
  height: 1rem;
  object-fit: contain;
  object-position: center;
}

.catalog-menu__group--open .catalog-menu__arrow {
  transform: rotate(0deg);
}

.catalog-menu__sub {
  display: none;
  background: transparent;
  border-top: 1px solid var(--color-border-light);
}

.catalog-menu__group--open .catalog-menu__sub {
  display: block;
}

.catalog-menu__sub-link {
  display: flex;
  align-items: center;
  box-sizing: border-box;
  min-height: var(--catalog-sub-link-height);
  padding: 0 0 0 var(--catalog-menu-sub-indent);
  font-family: var(--font-family-base);
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  border-bottom: 1px solid #eeeeee;
  transition: color 0.2s ease;
}

.catalog-menu__sub li:last-child .catalog-menu__sub-link {
  border-bottom: 0;
}

.catalog-menu__sub-link:hover,
.catalog-menu__sub-link:focus-visible {
  color: var(--color-brand-primary);
}

.catalog-menu__sub-link--active {
  color: var(--color-brand-primary);
  font-weight: 500;
}

/* Product Grid */
.catalog__main {
  flex: 1;
  min-width: 0;
}

.catalog__panel {
  width: 100%;
}

.catalog__panel--hidden {
  display: none;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(4, 19.5rem);
  justify-content: space-between;
  gap: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.catalog-grid.catalog__panel--hidden {
  display: none;
}

.catalog-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  min-width: 0;
  background: transparent;
  transition: opacity 0.2s ease;
}

.catalog-card__image {
  position: relative;
  box-sizing: border-box;
  height: 12.5rem;
  overflow: hidden;
  background: transparent;
}

.catalog-card__image img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
}

.catalog-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 3rem;
  padding: 0 1rem;
  background: #eeeeee;
  border-radius: 0 0 0.25rem 0.25rem;
  transition: background 0.2s ease;
}

.catalog-card__name {
  font-family: var(--font-family-base);
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--color-text-primary);
  transition: color 0.2s ease;
}

.catalog-card__arrow {
  position: relative;
  flex-shrink: 0;
  width: 1.875rem;
  height: 1.875rem;
}

.catalog-card__arrow-img {
  display: block;
  width: 1.875rem;
  height: 1.875rem;
  object-fit: contain;
}

.catalog-card__arrow-img--hover {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.catalog-card__arrow-img--default {
  transition: opacity 0.2s ease;
}

.catalog-card:hover,
.catalog-card:focus-visible {
  cursor: pointer;
}

.catalog-card:hover .catalog-card__footer,
.catalog-card:focus-visible .catalog-card__footer {
  background: var(--color-brand-primary);
}

.catalog-card:hover .catalog-card__name,
.catalog-card:focus-visible .catalog-card__name {
  color: var(--color-text-inverse);
}

.catalog-card:hover .catalog-card__arrow-img--default,
.catalog-card:focus-visible .catalog-card__arrow-img--default {
  opacity: 0;
}

.catalog-card:hover .catalog-card__arrow-img--hover,
.catalog-card:focus-visible .catalog-card__arrow-img--hover {
  opacity: 1;
}