.catalog-products {
    display: grid;
    gap: 14px;
}

.catalog-mobile-filters-toggle {
    display: none;
    min-height: 38px;
    border: 1px solid #bfd3ea;
    border-radius: 10px;
    background: #ffffff;
    color: #475569;
    font-size: 13px;
    font-weight: 700;
    padding: 0 12px;
    cursor: pointer;
}

.catalog-products-layout {
    display: grid;
    grid-template-columns: 280px minmax(0, 1fr);
    gap: 14px;
}

.catalog-filters {
    border: 1px solid #d1d9e6;
    border-radius: 12px;
    background: #ffffff;
    padding: 12px;
    display: grid;
    gap: 10px;
    align-content: start;
    position: sticky;
    top: calc(var(--header-h) + 86px);
    align-self: start;
    max-height: calc(100vh - (var(--header-h) + 98px));
    overflow: auto;
}

.catalog-page-body.catalog-scroll-down .catalog-filters {
    top: 86px;
    max-height: calc(100vh - 98px);
}

.catalog-filters h3 {
    margin: 0;
    font-size: 18px;
    color: #0f172a;
}

.catalog-filters-group {
    display: grid;
    gap: 8px;
}

.catalog-filters-group h4 {
    margin: 0;
    font-size: 14px;
    color: var(--brand-blue-dark);
    font-weight: 700;
}

.catalog-filter-check {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: #475569;
}

.catalog-filters label.catalog-filter-check {
    display: flex;
    align-items: center;
    gap: 8px;
}

.catalog-filter-check span {
    display: inline-block;
    line-height: 1.25;
}

.catalog-filter-check input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--brand-blue);
}

.catalog-filters label {
    display: grid;
    gap: 6px;
    font-size: 13px;
    color: #475569;
}

.catalog-products-list {
    display: grid;
    gap: 10px;
}

.catalog-products-head {
    min-height: 40px;
    border: 1px solid #c7d8ee;
    border-radius: 10px;
    background: #f6faff;
    padding: 8px 12px;
    font-size: 14px;
    color: var(--brand-blue-dark);
    display: flex;
    align-items: center;
}

.catalog-product-card {
    border: 1px solid #bfd3ea;
    border-radius: 12px;
    background: #eef2f6;
    padding: 14px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 38%;
    gap: 14px;
    align-items: start;
}

.catalog-product-card__media {
    border: 1px solid #bfd3ea;
    border-radius: 10px;
    background: #ffffff;
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 10px;
    overflow: hidden;
}

.catalog-product-card__media img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.catalog-product-card--ultrasound {
    grid-template-columns: minmax(0, 1fr) minmax(300px, 380px);
    align-items: start;
}

.catalog-product-card--ultrasound .catalog-product-card__media {
    width: 100%;
    height: 220px;
    min-height: 220px;
    max-height: 220px;
    align-self: start;
}

.catalog-product-card--ultrasound .catalog-product-card__media img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.catalog-product-card__gallery {
    grid-column: 2;
    display: flex;
    flex-wrap: nowrap;
    gap: 8px;
    overflow-x: auto;
    padding: 2px 0 0;
}

.catalog-product-card__thumb {
    min-height: 32px;
    border: 1px solid #bfd3ea;
    border-radius: 8px;
    background: #ffffff;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    padding: 6px 10px;
    white-space: nowrap;
    cursor: pointer;
}

.catalog-product-card__thumb.is-active,
.catalog-product-card__thumb:hover {
    border-color: var(--brand-blue);
    color: var(--brand-blue);
    background: #f3f9ff;
}

.catalog-product-card__body {
    display: grid;
    gap: 8px;
    align-content: start;
}

.catalog-product-card__body h3 {
    margin: 0;
    font-size: 20px;
    line-height: 1.15;
    color: var(--brand-blue);
}

.catalog-product-card__body p {
    margin: 0;
    font-size: 14px;
    color: #475569;
}

.catalog-product-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.catalog-product-card__cta {
    min-height: 36px;
    border-radius: 9px;
    border: 1px solid #bfd3ea;
    background: #ffffff;
    color: #475569;
    font-size: 13px;
    font-weight: 700;
    line-height: 1;
    padding: 0 12px;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.catalog-product-card__cta.is-quote {
    border-color: #bfd3ea;
    background: #ffffff;
    color: #475569;
}

.catalog-product-card__cta:hover,
.catalog-product-card__cta.is-manager:hover,
.catalog-product-card__cta.is-quote:hover {
    background: #f3f9ff;
    border-color: var(--brand-blue);
    color: var(--brand-blue);
}

.catalog-product-card__diameters {
    display: grid;
    gap: 8px;
}

.catalog-product-card__diameter-row {
    min-height: 46px;
    border: 1px solid #c7d8ee;
    border-radius: 10px;
    background: #ffffff;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.catalog-product-card__diameter-badge {
    min-width: 108px;
    min-height: 38px;
    border: 1px solid #bfdbfe;
    border-radius: 9px;
    background: #f8fbff;
    color: var(--brand-blue);
    font-size: 16px;
    font-weight: 700;
    line-height: 1;
    padding: 0 12px;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.catalog-product-card__sku-line {
    font-size: 14px;
    font-weight: 500;
    color: #475569;
    line-height: 1.25;
    word-break: break-word;
}

.catalog-product-card__composition {
    display: grid;
    gap: 5px;
}

.catalog-product-card__composition h4 {
    margin: 0;
    font-size: 14px;
    color: #334155;
    font-weight: 700;
}

.catalog-product-card__chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.catalog-product-card__chip {
    min-height: 38px;
    border: 1px solid #bfdbfe;
    border-radius: 10px;
    background: #ffffff;
    padding: 7px 12px;
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    color: #475569;
    font-weight: 500;
}

.catalog-product-card__toggle {
    min-height: 36px;
    border: 1px solid #93c5fd;
    border-radius: 10px;
    background: linear-gradient(135deg, #f0f7ff, #e0efff);
    color: #0b5fa3;
    font-size: 13px;
    font-weight: 700;
    padding: 0 14px;
    cursor: pointer;
    justify-self: start;
    box-shadow: 0 8px 18px rgba(43, 143, 235, 0.16);
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.catalog-product-card__toggle:hover {
    background: linear-gradient(135deg, #2b8feb, #1b7fcf);
    border-color: #1b7fcf;
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(43, 143, 235, 0.28);
    transform: translateY(-1px);
}

.catalog-product-card__collapsible {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition: max-height 0.8s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.8s ease, transform 0.8s ease;
}

.catalog-product-card__diameters.is-open .catalog-product-card__collapsible,
.catalog-product-card__composition.is-open .catalog-product-card__collapsible {
    max-height: 1200px;
    opacity: 1;
    transform: translateY(0);
}

.catalog-product-card__diameters .catalog-product-card__collapsible {
    display: grid;
    gap: 8px;
    margin-top: 8px;
}

.catalog-products-empty {
    min-height: 120px;
    border: 1px dashed #cbd5e1;
    border-radius: 10px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 14px;
    padding: 12px;
    text-align: center;
}