body[data-page="buy"] > .app-shell {
    padding-top: 24px;
}

.buy-page,
.catalog-results {
    min-width: 0;
}

.buy-head {
    min-height: 54px;
    align-items: center;
    margin-bottom: 14px;
}

.buy-title {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 11px;
}

.buy-title h2 {
    margin: 0;
    color: var(--ui-heading);
    font-size: 22px;
    line-height: 1.25;
}

.buy-title p {
    margin: 5px 0 0;
    font-size: 13px;
}

.section-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: grid;
    place-items: center;
    border-radius: var(--ui-radius-md);
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
}

.section-icon svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}

body[data-page="buy"] .catalog-toolbar {
    margin-top: 0;
}

.buy-layout {
    display: grid;
    grid-template-columns: 236px minmax(0, 1fr);
    align-items: start;
    gap: 22px;
    margin-top: 18px;
}

.catalog-filter-panel {
    position: sticky;
    top: 88px;
    inset-inline: auto;
    z-index: 2;
    width: auto;
    display: block;
    padding: 0;
    background: transparent;
    backdrop-filter: none;
}

.catalog-filter-panel .modal-panel {
    width: auto;
    max-height: calc(100vh - 106px);
    padding: 18px;
    border: 1px solid var(--ui-line);
    border-radius: var(--ui-radius-md);
    background: var(--ui-surface);
    box-shadow: var(--ui-shadow-sm);
}

.catalog-filter-panel .modal-head {
    margin-bottom: 17px;
}

.catalog-filter-panel .modal-head h2 {
    font-size: 18px;
}

.catalog-filter-panel #closeFilterBtn {
    display: none;
}

.catalog-filter-panel h3 {
    margin: 18px 0 0;
    color: var(--ui-heading);
    font-size: 13px;
}

.catalog-filter-panel .tabs {
    flex-wrap: wrap;
    overflow: visible;
}

.catalog-filter-panel .chip {
    max-width: 100%;
    min-height: var(--ui-touch-target);
    padding-inline: 9px;
    font-size: 12px;
}

.catalog-filter-panel .grid-2 {
    gap: 8px;
}

.catalog-filter-panel .input {
    min-height: 40px;
    padding-inline: 9px;
    font-size: 12px;
}

.catalog-filter-panel .modal-actions {
    grid-template-columns: .8fr 1.2fr;
}

.catalog-filter-panel .modal-actions .btn {
    min-width: 0;
    padding-inline: 8px;
}

.catalog-results .product-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    min-height: 720px;
}

.catalog-results .product-grid:has(> .empty-state) {
    min-height: 0;
}

.catalog-results {
    min-height: 320px;
}

.active-filters {
    min-height: 10px;
    padding: 0 0 10px;
}

.active-filters:empty {
    display: none;
}

.active-filters .tag {
    border-color: var(--ui-primary-border);
    background: var(--ui-primary-soft);
    color: var(--ui-primary);
}

@media (max-width: 760px) {
    body[data-page="buy"] .category-tabs {
        min-height: var(--ui-touch-target);
    }

    .catalog-results .product-grid {
        min-height: 740px;
    }

    body[data-page="buy"] .catalog-toolbar {
        position: sticky;
        top: var(--ui-mobile-header);
        z-index: var(--ui-z-sticky);
        margin-inline: calc(var(--ui-mobile-gutter) * -1);
        padding-inline: var(--ui-mobile-gutter);
        border-width: 0 0 1px;
        border-radius: 0;
        background: var(--ui-nav-surface);
    }

    .catalog-filter-panel .modal-panel {
        overscroll-behavior: contain;
        overflow-y: auto;
    }

    .catalog-filter-panel:not(.hidden) .modal-panel {
        animation: catalog-drawer-in var(--ui-duration) var(--ui-ease-out);
    }
}

@keyframes catalog-drawer-in {
    from { transform: translateY(24px); opacity: .85; }
    to { transform: translateY(0); opacity: 1; }
}