/* =========================================================
   NVK ENGINEERING — конструктор заказа
   Шапка сайта сохраняется; нижняя панель закреплена у окна.
   ========================================================= */

.nvk-cart-page {
    width: 100%;
    min-width: 0;
    padding: clamp(24px, 3vw, 42px) var(--nvk-content-gutter)
        calc(156px + env(safe-area-inset-bottom, 0px));
}

.nvk-cart-page [hidden] { display: none !important; }

.nvk-cart-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(260px, .7fr);
    align-items: end;
    gap: 24px;
    margin-bottom: 24px;
}

.nvk-cart-hero__copy h1 {
    margin: 8px 0 12px;
    font-family: var(--nvk-font-display);
    font-size: clamp(38px, 5.2vw, 66px);
    font-weight: 800;
    line-height: .99;
    letter-spacing: -.065em;
}

.nvk-cart-hero__copy h1 span { color: var(--nvk-color-primary); }
.nvk-cart-hero__copy > p:last-child {
    max-width: 680px;
    margin: 0;
    color: var(--nvk-color-text-muted);
    font-size: clamp(13px, 1.2vw, 15px);
    line-height: 1.7;
}

.nvk-cart-hero__note {
    display: flex;
    align-items: center;
    gap: 13px;
    max-width: 440px;
    justify-self: end;
    padding: 16px 18px;
    border: 1px solid var(--nvk-color-border);
    border-radius: 18px;
    background: var(--nvk-color-surface);
    box-shadow: var(--nvk-shadow-sm);
}

.nvk-cart-hero__note-icon {
    display: grid;
    flex: 0 0 42px;
    width: 42px;
    height: 42px;
    place-items: center;
    border-radius: 13px;
    background: var(--nvk-color-primary-soft);
    color: var(--nvk-color-primary);
}

.nvk-cart-hero__note-icon svg { width: 20px; height: 20px; }
.nvk-cart-hero__note > div { display: grid; gap: 3px; }
.nvk-cart-hero__note strong { font-size: 12px; line-height: 1.4; }
.nvk-cart-hero__note > div > span { color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.55; }

.nvk-cart-message {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin: 0 0 20px;
    padding: 15px 17px;
    border: 1px solid var(--nvk-color-border);
    border-radius: 15px;
    background: var(--nvk-color-surface);
}
.nvk-cart-message > svg { flex: 0 0 auto; width: 20px; height: 20px; }
.nvk-cart-message h2 { margin: 0 0 4px; font-size: 14px; }
.nvk-cart-message p { margin: 0; color: var(--nvk-color-text-muted); font-size: 11px; line-height: 1.65; }
.nvk-cart-message--success { border-color: color-mix(in srgb, var(--nvk-color-success) 38%, var(--nvk-color-border)); }
.nvk-cart-message--success > svg { color: var(--nvk-color-success); }
.nvk-cart-message--error { border-color: color-mix(in srgb, var(--nvk-color-danger) 38%, var(--nvk-color-border)); }
.nvk-cart-message--error > svg { color: var(--nvk-color-danger); }

.nvk-cart-builder__toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(210px, 270px);
    gap: 12px;
    margin-bottom: 14px;
}

.nvk-cart-search {
    display: flex;
    align-items: center;
    gap: 11px;
    min-width: 0;
    min-height: 50px;
    padding: 0 15px;
    border: 1px solid var(--nvk-color-border);
    border-radius: 14px;
    background: var(--nvk-color-surface);
    color: var(--nvk-color-text-muted);
    transition: border-color var(--nvk-transition-fast), box-shadow var(--nvk-transition-fast);
}
.nvk-cart-search:focus-within { border-color: var(--nvk-color-primary); box-shadow: 0 0 0 3px var(--nvk-color-primary-soft); }
.nvk-cart-search > svg { flex: 0 0 auto; width: 18px; height: 18px; }
.nvk-cart-search input { width: 100%; min-width: 0; border: 0; outline: 0; background: transparent; color: var(--nvk-color-text); font-size: 12px; }
.nvk-cart-search input::placeholder { color: var(--nvk-color-text-soft); }
.nvk-cart-search kbd { flex: 0 0 auto; padding: 3px 7px; border: 1px solid var(--nvk-color-border); border-radius: 6px; color: var(--nvk-color-text-soft); font: inherit; font-size: 9px; }

.nvk-cart-category-filter { display: grid; grid-template-columns: auto minmax(0, 1fr); align-items: center; gap: 10px; min-width: 0; padding: 0 13px; border: 1px solid var(--nvk-color-border); border-radius: 14px; background: var(--nvk-color-surface); }
.nvk-cart-category-filter > span { color: var(--nvk-color-text-muted); font-size: 10px; font-weight: 800; }
.nvk-cart-category-filter select { width: 100%; min-width: 0; min-height: 48px; border: 0; outline: 0; background: transparent; color: var(--nvk-color-text); font-size: 11px; }

.nvk-cart-builder__feedback { margin: 0 0 13px; padding: 10px 13px; border: 1px solid color-mix(in srgb, var(--nvk-color-primary) 24%, var(--nvk-color-border)); border-radius: 11px; background: var(--nvk-color-primary-soft); color: var(--nvk-color-text); font-size: 11px; line-height: 1.6; }

.nvk-cart-builder__panels { display: grid; grid-template-columns: minmax(280px, .86fr) minmax(0, 1.35fr); align-items: start; gap: 15px; }
.nvk-cart-panel { min-width: 0; overflow: hidden; border: 1px solid var(--nvk-color-border); border-radius: 20px; background: var(--nvk-color-surface); box-shadow: var(--nvk-shadow-sm); }
.nvk-cart-panel__heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 18px 19px 15px; border-bottom: 1px solid var(--nvk-color-border); }
.nvk-cart-panel__heading .nvk-eyebrow { font-size: 9px; }
.nvk-cart-panel__heading h2 { margin: 5px 0 0; font-family: var(--nvk-font-display); font-size: clamp(17px, 1.7vw, 22px); font-weight: 800; line-height: 1.2; letter-spacing: -.04em; }
.nvk-cart-panel__counter { display: inline-flex; flex: 0 0 auto; min-width: 31px; min-height: 31px; align-items: center; justify-content: center; padding: 0 9px; border-radius: 10px; background: var(--nvk-color-surface-muted); color: var(--nvk-color-text-muted); font-size: 10px; font-weight: 800; font-variant-numeric: tabular-nums; }
.nvk-cart-product-grid,.nvk-cart-variants { scrollbar-width: thin; scrollbar-color: var(--nvk-color-border-strong) transparent; }
.nvk-cart-product-grid::-webkit-scrollbar,.nvk-cart-variants::-webkit-scrollbar { width: 8px; }
.nvk-cart-product-grid::-webkit-scrollbar-track,.nvk-cart-variants::-webkit-scrollbar-track { background: transparent; }
.nvk-cart-product-grid::-webkit-scrollbar-thumb,.nvk-cart-variants::-webkit-scrollbar-thumb { border: 2px solid transparent; border-radius: 99px; background: var(--nvk-color-border-strong); background-clip: padding-box; }

.nvk-cart-product-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: start; gap: 9px; max-height: min(62vh, 660px); overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding: 12px; }
.nvk-cart-product-grid__empty { margin: 0; padding: 18px; color: var(--nvk-color-text-muted); font-size: 11px; text-align: center; }
.nvk-cart-product {
    display: grid;
    grid-template-rows: 112px minmax(0, 1fr);
    position: relative;
    min-width: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--nvk-color-border);
    border-radius: 13px;
    background: var(--nvk-color-surface);
    color: var(--nvk-color-text);
    text-align: left;
    cursor: pointer;
    transition: border-color var(--nvk-transition-fast), background-color var(--nvk-transition-fast), transform var(--nvk-transition-fast), box-shadow var(--nvk-transition-fast);
}
.nvk-cart-product:hover { transform: translateY(-1px); border-color: var(--nvk-color-border-strong); box-shadow: var(--nvk-shadow-sm); }
.nvk-cart-product.is-selected { border-color: var(--nvk-color-primary); background: var(--nvk-color-primary-soft); box-shadow: inset 0 0 0 1px var(--nvk-color-primary); }
.nvk-cart-product__visual { display: grid; place-items: center; min-width: 0; overflow: hidden; border-bottom: 1px solid var(--nvk-color-border); background: radial-gradient(circle at 50% 45%, var(--nvk-color-primary-soft), transparent 64%), var(--nvk-color-surface-muted); color: var(--nvk-color-primary); }
.nvk-cart-product__visual img { display: block; box-sizing: border-box; width: 100%; height: 100%; max-width: 100%; max-height: 100%; padding: 6px; object-fit: contain !important; object-position: center; }
.nvk-cart-product__visual svg { width: 26px; height: 26px; stroke-width: 1.4; }
.nvk-cart-product__body { display: grid; align-content: start; gap: 5px; min-width: 0; padding: 10px 10px 12px; }
.nvk-cart-product__category { overflow: hidden; color: var(--nvk-color-text-muted); font-size: 8px; font-weight: 800; letter-spacing: .07em; text-overflow: ellipsis; text-transform: uppercase; white-space: nowrap; }
.nvk-cart-product__body strong { display: -webkit-box; overflow: hidden; min-height: 2.6em; font-size: 11px; font-weight: 800; line-height: 1.35; overflow-wrap: anywhere; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.nvk-cart-product__meta { display: flex; flex-wrap: wrap; gap: 4px 7px; color: var(--nvk-color-text-soft); font-size: 9px; line-height: 1.4; }
.nvk-cart-product__arrow { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; padding: 5px; border: 1px solid var(--nvk-color-border); border-radius: 8px; background: var(--nvk-color-surface-raised); color: var(--nvk-color-text-muted); }
.nvk-cart-product.is-selected .nvk-cart-product__arrow { border-color: var(--nvk-color-primary); background: var(--nvk-color-primary); color: #fff; }

.nvk-cart-selected-product { display: flex; align-items: center; gap: 11px; min-width: 0; padding: 13px 16px; border-bottom: 1px solid var(--nvk-color-border); background: var(--nvk-color-surface-muted); }
.nvk-cart-selected-product__image { display: grid; flex: 0 0 48px; width: 48px; height: 48px; place-items: center; overflow: hidden; border: 1px solid var(--nvk-color-border); border-radius: 11px; background: var(--nvk-color-surface); color: var(--nvk-color-primary); }
.nvk-cart-selected-product__image img { display: block; box-sizing: border-box; width: 100%; height: 100%; max-width: 100%; max-height: 100%; padding: 4px; object-fit: contain !important; object-position: center; }
.nvk-cart-selected-product__image svg { width: 22px; height: 22px; }
.nvk-cart-selected-product__copy { display: grid; gap: 3px; min-width: 0; }
.nvk-cart-selected-product__copy > span:first-child { color: var(--nvk-color-text-muted); font-size: 9px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.nvk-cart-selected-product__copy strong { overflow-wrap: anywhere; font-size: 12px; line-height: 1.4; }
.nvk-cart-selected-product__copy > span:last-child { color: var(--nvk-color-text-muted); font-size: 10px; }

.nvk-cart-variants { display: grid; align-content: start; gap: 9px; min-width: 0; max-height: min(62vh, 660px); overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; padding: 12px; }
.nvk-cart-variant { display: grid; grid-template-columns: 20px minmax(0, 1fr) minmax(106px, 128px); align-items: start; gap: 10px; min-width: 0; padding: 12px; border: 1px solid var(--nvk-color-border); border-radius: 13px; background: var(--nvk-color-surface); transition: border-color var(--nvk-transition-fast), background-color var(--nvk-transition-fast); }
.nvk-cart-variant:has([data-variant-select]:checked) { border-color: color-mix(in srgb, var(--nvk-color-primary) 62%, var(--nvk-color-border)); background: var(--nvk-color-primary-soft); }
.nvk-cart-variant__check { display: inline-flex; justify-content: center; padding-top: 2px; cursor: pointer; }
.nvk-cart-variant__check input { width: 16px; height: 16px; margin: 0; accent-color: var(--nvk-color-primary); cursor: pointer; }
.nvk-cart-variant__body { min-width: 0; }
.nvk-cart-variant__topline { display: flex; flex-wrap: wrap; align-items: center; gap: 5px 8px; }
.nvk-cart-variant__topline strong { font-size: 12px; line-height: 1.4; overflow-wrap: anywhere; }
.nvk-cart-variant__badge { display: inline-flex; align-items: center; padding: 3px 7px; border-radius: 6px; background: var(--nvk-color-surface-muted); color: var(--nvk-color-text-muted); font-size: 8px; font-weight: 800; }
.nvk-cart-variant__sku { margin-top: 4px; color: var(--nvk-color-text-muted); font-size: 9px; }
.nvk-cart-variant__attributes { display: flex; flex-wrap: wrap; gap: 5px; margin: 9px 0 0; }
.nvk-cart-variant__attributes > div { display: grid; gap: 2px; min-width: 68px; padding: 6px 8px; border-radius: 8px; background: var(--nvk-color-surface-muted); }
.nvk-cart-variant__attributes dt { color: var(--nvk-color-text-muted); font-size: 8px; line-height: 1.3; }
.nvk-cart-variant__attributes dd { margin: 0; color: var(--nvk-color-text); font-size: 10px; font-weight: 800; line-height: 1.35; overflow-wrap: anywhere; }
.nvk-cart-variant__controls { display: grid; gap: 7px; min-width: 0; }
.nvk-cart-variant__quantity { display: grid; gap: 4px; color: var(--nvk-color-text-muted); font-size: 9px; }
.nvk-cart-variant__quantity input { width: 100%; min-width: 0; min-height: 35px; padding: 6px 8px; border: 1px solid var(--nvk-color-border); border-radius: 8px; outline: 0; background: var(--nvk-color-surface); color: var(--nvk-color-text); font-size: 11px; font-variant-numeric: tabular-nums; }
.nvk-cart-variant__quantity input:focus { border-color: var(--nvk-color-primary); box-shadow: 0 0 0 3px var(--nvk-color-primary-soft); }
.nvk-cart-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 40px; padding: 9px 13px; border: 1px solid transparent; border-radius: 11px; font-size: 10px; font-weight: 800; line-height: 1.25; cursor: pointer; transition: background-color var(--nvk-transition-fast), border-color var(--nvk-transition-fast), color var(--nvk-transition-fast), transform var(--nvk-transition-fast); }
.nvk-cart-button svg { flex: 0 0 auto; width: 15px; height: 15px; }
.nvk-cart-button:disabled { opacity: .42; cursor: not-allowed; transform: none; }
.nvk-cart-button--primary { border-color: var(--nvk-color-primary); background: var(--nvk-color-primary); color: #fff; }
.nvk-cart-button--primary:hover:not(:disabled) { border-color: var(--nvk-color-primary-hover); background: var(--nvk-color-primary-hover); }
.nvk-cart-button--secondary { border-color: var(--nvk-color-border); background: var(--nvk-color-surface); color: var(--nvk-color-text); }
.nvk-cart-button--secondary:hover:not(:disabled) { border-color: var(--nvk-color-primary); color: var(--nvk-color-primary); }
.nvk-cart-variant__add { width: 100%; min-height: 34px; padding: 7px 9px; border-radius: 8px; font-size: 9px; }
.nvk-cart-variants__empty-search { margin: 0; padding: 14px 18px; color: var(--nvk-color-text-muted); font-size: 11px; text-align: center; }
.nvk-cart-variants__actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; border-top: 1px solid var(--nvk-color-border); background: var(--nvk-color-surface-muted); }
.nvk-cart-variants__actions > span { color: var(--nvk-color-text-muted); font-size: 10px; }

.nvk-cart-empty-state { display: grid; justify-items: center; gap: 10px; padding: 30px 20px; text-align: center; }
.nvk-cart-empty-state > svg { width: 29px; height: 29px; color: var(--nvk-color-primary); }
.nvk-cart-empty-state strong { font-size: 12px; line-height: 1.5; }
.nvk-cart-empty-state > span,.nvk-cart-empty-state p { max-width: 360px; margin: 0; color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.65; }
.nvk-cart-empty-state--compact { min-height: 170px; align-content: center; }
.nvk-cart-empty-state--order { min-height: 270px; border: 1px dashed var(--nvk-color-border-strong); border-radius: 18px; background: var(--nvk-color-surface); }
.nvk-cart-empty-state__icon { display: grid; width: 50px; height: 50px; place-items: center; border: 1px solid var(--nvk-color-border); border-radius: 50%; background: var(--nvk-color-surface-muted); }
.nvk-cart-empty-state__icon svg { width: 21px; height: 21px; color: var(--nvk-color-primary); }
.nvk-cart-empty-state h3 { margin: 0; font-size: 15px; letter-spacing: -.025em; }

.nvk-cart-order-section { margin-top: clamp(32px, 5vw, 64px); scroll-margin-top: calc(var(--nvk-header-height) + 18px); scroll-margin-bottom: 150px; }
.nvk-cart-order-section__heading { display: flex; align-items: end; justify-content: space-between; gap: 18px; margin-bottom: 17px; }
.nvk-cart-order-section__heading h2 { margin: 6px 0 7px; font-family: var(--nvk-font-display); font-size: clamp(25px, 3vw, 38px); font-weight: 800; letter-spacing: -.055em; line-height: 1.1; }
.nvk-cart-order-section__heading p:not(.nvk-eyebrow) { margin: 0; color: var(--nvk-color-text-muted); font-size: 11px; line-height: 1.65; }
.nvk-cart-order-section__tools { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }
.nvk-cart-order-count { color: var(--nvk-color-text-muted); font-size: 10px; font-weight: 800; white-space: nowrap; }
.nvk-cart-text-button { min-height: 34px; padding: 6px 8px; border: 0; border-radius: 8px; background: transparent; color: var(--nvk-color-text-muted); font-size: 10px; font-weight: 800; cursor: pointer; }
.nvk-cart-text-button:hover:not(:disabled) { background: var(--nvk-color-primary-soft); color: var(--nvk-color-primary); }
.nvk-cart-text-button:disabled { opacity: .38; cursor: not-allowed; }
.nvk-cart-order-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(270px, .65fr); align-items: start; gap: 16px; }
.nvk-cart-order-list-wrap { min-width: 0; }
.nvk-cart-order-list { display: grid; gap: 10px; min-width: 0; }
.nvk-cart-item { display: grid; grid-template-columns: 82px minmax(0, 1fr) minmax(92px, 112px); align-items: start; gap: 13px; min-width: 0; padding: 13px; border: 1px solid var(--nvk-color-border); border-radius: 16px; background: var(--nvk-color-surface); box-shadow: var(--nvk-shadow-sm); }
.nvk-cart-item__visual { display: grid; width: 82px; height: 82px; place-items: center; overflow: hidden; border: 1px solid var(--nvk-color-border); border-radius: 11px; background: var(--nvk-color-surface-muted); color: var(--nvk-color-primary); }
.nvk-cart-item__visual img { display: block; box-sizing: border-box; width: 100%; height: 100%; max-width: 100%; max-height: 100%; padding: 6px; object-fit: contain !important; object-position: center; }
.nvk-cart-item__visual svg { width: 24px; height: 24px; }
.nvk-cart-item__visual-index { font-size: 10px; font-weight: 800; }
.nvk-cart-item__copy { min-width: 0; }
.nvk-cart-item__copy .nvk-eyebrow { font-size: 8px; }
.nvk-cart-item__copy h3 { margin: 4px 0 5px; font-size: 12px; font-weight: 800; line-height: 1.45; overflow-wrap: anywhere; }
.nvk-cart-item__variant { display: inline-flex; margin: 2px 0 6px; padding: 4px 7px; border: 1px solid color-mix(in srgb, var(--nvk-color-primary) 25%, var(--nvk-color-border)); border-radius: 6px; color: var(--nvk-color-primary); font-size: 9px; font-weight: 800; }
.nvk-cart-item__product-link { display: inline-flex; align-items: center; vertical-align: middle; margin: 2px 0 6px 8px; padding: 4px 8px; border: 1px solid var(--nvk-color-border); border-radius: 7px; background: var(--nvk-color-surface); color: var(--nvk-color-text-muted); font-size: 9px; font-weight: 800; line-height: 1.35; text-decoration: none; white-space: nowrap; transition: border-color var(--nvk-transition-fast), background-color var(--nvk-transition-fast), color var(--nvk-transition-fast); }
.nvk-cart-item__product-link:hover { border-color: color-mix(in srgb, var(--nvk-color-primary) 45%, var(--nvk-color-border)); background: var(--nvk-color-primary-soft); color: var(--nvk-color-primary); }
.nvk-cart-item__product-link:focus-visible { outline: 2px solid var(--nvk-color-primary); outline-offset: 2px; }
.nvk-cart-item__meta { display: flex; flex-wrap: wrap; gap: 5px 10px; color: var(--nvk-color-text-muted); font-size: 9px; }
.nvk-cart-item__attributes { display: flex; flex-wrap: wrap; gap: 5px; margin: 9px 0 0; }
.nvk-cart-item__attributes > div { padding: 5px 7px; border-radius: 7px; background: var(--nvk-color-surface-muted); }
.nvk-cart-item__attributes dt { color: var(--nvk-color-text-muted); font-size: 8px; line-height: 1.3; }
.nvk-cart-item__attributes dd { margin: 2px 0 0; color: var(--nvk-color-text); font-size: 9px; font-weight: 800; overflow-wrap: anywhere; }
.nvk-cart-item__controls { display: grid; gap: 8px; min-width: 0; }
.nvk-cart-item__quantity { display: grid; gap: 4px; color: var(--nvk-color-text-muted); font-size: 9px; }
.nvk-cart-item__quantity input { width: 100%; min-width: 0; min-height: 36px; padding: 6px 8px; border: 1px solid var(--nvk-color-border); border-radius: 8px; outline: 0; background: var(--nvk-color-surface); color: var(--nvk-color-text); font-size: 11px; font-variant-numeric: tabular-nums; }
.nvk-cart-item__quantity input:focus { border-color: var(--nvk-color-primary); box-shadow: 0 0 0 3px var(--nvk-color-primary-soft); }
.nvk-cart-item__remove { justify-self: start; min-height: 30px; padding: 4px 0; border: 0; background: transparent; color: var(--nvk-color-text-muted); font-size: 9px; font-weight: 800; cursor: pointer; }
.nvk-cart-item__remove:hover { color: var(--nvk-color-danger); }
.nvk-cart-item__legacy { margin: 8px 0 0; color: var(--nvk-color-danger); font-size: 10px; line-height: 1.6; }
.nvk-cart-legacy-notice { margin: 12px 0 0; padding: 11px 12px; border: 1px solid color-mix(in srgb, #b76a0c 35%, var(--nvk-color-border)); border-radius: 10px; color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.6; }

.nvk-cart-checkout-card { min-width: 0; padding: 21px; border: 1px solid var(--nvk-color-border); border-radius: 18px; background: var(--nvk-color-surface); box-shadow: var(--nvk-shadow-sm); }
.nvk-cart-checkout-card > .nvk-eyebrow { font-size: 9px; }
.nvk-cart-checkout-card h3 { margin: 7px 0 8px; font-family: var(--nvk-font-display); font-size: 21px; font-weight: 800; letter-spacing: -.045em; line-height: 1.2; }
.nvk-cart-checkout-card__intro { margin: 0 0 15px; color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.7; }
.nvk-cart-checkout-card__empty { margin: 0; padding: 12px; border-radius: 10px; background: var(--nvk-color-surface-muted); color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.6; }
.nvk-cart-checkout[hidden],.nvk-cart-checkout-card[hidden] { display: none !important; }
.nvk-cart-checkout { display: grid; gap: 12px; margin-top: 15px; padding-top: 15px; border-top: 1px solid var(--nvk-color-border); }
.nvk-cart-checkout__honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.nvk-cart-checkout__field { display: grid; gap: 5px; min-width: 0; color: var(--nvk-color-text); font-size: 10px; font-weight: 800; }
.nvk-cart-checkout__field > span { display: flex; flex-wrap: wrap; align-items: baseline; gap: 5px; }
.nvk-cart-checkout__field > span b { color: var(--nvk-color-primary); }
.nvk-cart-checkout__field > span small { color: var(--nvk-color-text-muted); font-size: 9px; font-weight: 500; }
.nvk-cart-checkout__field input,.nvk-cart-checkout__field textarea { width: 100%; min-width: 0; min-height: 42px; padding: 10px 11px; border: 1px solid var(--nvk-color-border); border-radius: 10px; outline: 0; background: var(--nvk-color-surface); color: var(--nvk-color-text); font-size: 11px; font-weight: 500; }
.nvk-cart-checkout__field textarea { min-height: 92px; resize: vertical; line-height: 1.6; }
.nvk-cart-checkout__field input:focus,.nvk-cart-checkout__field textarea:focus { border-color: var(--nvk-color-primary); box-shadow: 0 0 0 3px var(--nvk-color-primary-soft); }
.nvk-cart-checkout__hint { margin: 0; color: var(--nvk-color-text-muted); font-size: 9px; line-height: 1.6; }
.nvk-cart-checkout__submit { justify-content: space-between; width: 100%; min-height: 47px; margin-top: 2px; }

/* Нижняя панель не часть разметки страницы: она закреплена у окна. */
.nvk-cart-dock { position: fixed; z-index: 1100; right: 0; bottom: 0; left: 0; padding: 11px var(--nvk-content-gutter) calc(11px + env(safe-area-inset-bottom, 0px)); border-top: 1px solid var(--nvk-color-border); background: var(--nvk-color-header); box-shadow: 0 -8px 30px rgba(17, 30, 44, .08); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); }
.nvk-cart-dock__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; width: 100%; max-width: 1680px; margin-inline: auto; }
.nvk-cart-dock__identity { display: flex; align-items: center; gap: 11px; min-width: 0; }
.nvk-cart-dock__icon { display: grid; flex: 0 0 42px; width: 42px; height: 42px; place-items: center; border: 1px solid color-mix(in srgb, var(--nvk-color-primary) 25%, var(--nvk-color-border)); border-radius: 12px; background: var(--nvk-color-primary-soft); color: var(--nvk-color-primary); }
.nvk-cart-dock__icon svg { width: 19px; height: 19px; }
.nvk-cart-dock__copy { display: grid; gap: 2px; min-width: 0; }
.nvk-cart-dock__copy strong { font-size: 12px; line-height: 1.35; }
.nvk-cart-dock__copy > span { color: var(--nvk-color-text-muted); font-size: 10px; line-height: 1.45; }
.nvk-cart-dock__actions { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.nvk-cart-dock__open { min-width: 180px; min-height: 44px; justify-content: space-between; padding-inline: 16px; }
.nvk-cart-dock__clear { padding-inline: 10px; }

@media (max-width: 1080px) {
    .nvk-cart-hero { grid-template-columns: minmax(0, 1fr) minmax(230px, .7fr); }
    .nvk-cart-builder__panels { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
    .nvk-cart-product-grid { grid-template-columns: minmax(0, 1fr); }
    .nvk-cart-product { grid-template-columns: 72px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); align-items: center; }
    .nvk-cart-product__visual { grid-row: 1; grid-column: 1; min-height: 76px; height: 100%; border-right: 1px solid var(--nvk-color-border); border-bottom: 0; }
    .nvk-cart-product__visual img { min-height: 76px; }
    .nvk-cart-product__body { grid-row: 1; grid-column: 2; padding: 9px 28px 9px 10px; }
    .nvk-cart-product__body strong { min-height: auto; -webkit-line-clamp: 3; }
    .nvk-cart-product__arrow { top: 50%; right: 6px; transform: translateY(-50%); }
    .nvk-cart-variant { grid-template-columns: 18px minmax(0, 1fr); }
    .nvk-cart-variant__controls { grid-column: 2; grid-template-columns: minmax(80px, .7fr) minmax(100px, 1fr); align-items: end; }
}

@media (max-width: 860px) {
    .nvk-cart-hero { grid-template-columns: minmax(0, 1fr); align-items: start; }
    .nvk-cart-hero__note { justify-self: stretch; max-width: none; }
    .nvk-cart-builder__panels { grid-template-columns: minmax(0, 1fr); }
    .nvk-cart-product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .nvk-cart-product { grid-template-columns: minmax(0, 1fr); grid-template-rows: 86px minmax(0, 1fr); }
    .nvk-cart-product__visual { grid-row: 1; grid-column: 1; border-right: 0; border-bottom: 1px solid var(--nvk-color-border); }
    .nvk-cart-product__visual img { min-height: 0; }
    .nvk-cart-product__body { grid-row: 2; grid-column: 1; padding: 9px 10px 11px; }
    .nvk-cart-product__body strong { min-height: 2.6em; -webkit-line-clamp: 2; }
    .nvk-cart-product__arrow { top: 7px; right: 7px; transform: none; }
    .nvk-cart-order-grid { grid-template-columns: minmax(0, 1fr); }
    .nvk-cart-checkout-card { grid-row: 1; }
}

@media (max-width: 600px) {
    .nvk-cart-page { padding: 22px 14px calc(132px + env(safe-area-inset-bottom, 0px)); }
    .nvk-cart-hero { gap: 15px; margin-bottom: 17px; }
    .nvk-cart-hero__copy h1 { font-size: clamp(36px, 10vw, 48px); }
    .nvk-cart-hero__copy > p:last-child { font-size: 12px; }
    .nvk-cart-hero__note { padding: 12px; }
    .nvk-cart-builder__toolbar { grid-template-columns: minmax(0, 1fr); gap: 8px; }
    .nvk-cart-search { min-height: 47px; padding-inline: 12px; }
    .nvk-cart-search kbd { display: none; }
    .nvk-cart-category-filter { grid-template-columns: 77px minmax(0, 1fr); }
    .nvk-cart-category-filter select { min-height: 43px; }
    .nvk-cart-panel { border-radius: 15px; }
    .nvk-cart-panel__heading { padding: 14px 14px 12px; }
    .nvk-cart-panel__heading h2 { font-size: 18px; }
    .nvk-cart-product-grid { gap: 7px; padding: 8px; }
    .nvk-cart-product { grid-template-rows: 88px minmax(0, 1fr); border-radius: 10px; }
    .nvk-cart-product__body { gap: 4px; padding: 8px; }
    .nvk-cart-product__category { font-size: 7px; }
    .nvk-cart-product__body strong { font-size: 10px; }
    .nvk-cart-product__meta { font-size: 8px; }
    .nvk-cart-product__arrow { width: 21px; height: 21px; padding: 4px; }
    .nvk-cart-selected-product { padding: 11px; }
    .nvk-cart-variants { padding: 8px; }
    .nvk-cart-variant { gap: 8px; padding: 10px; }
    .nvk-cart-variant__controls { grid-template-columns: minmax(80px, .6fr) minmax(100px, 1fr); gap: 7px; }
    .nvk-cart-variants__actions { align-items: stretch; flex-direction: column; padding: 11px; }
    .nvk-cart-variants__actions > span { text-align: center; }
    .nvk-cart-button { min-height: 40px; }
    .nvk-cart-order-section { margin-top: 35px; scroll-margin-top: calc(var(--nvk-header-height) + 12px); scroll-margin-bottom: 135px; }
    .nvk-cart-order-section__heading { align-items: start; flex-direction: column; gap: 10px; }
    .nvk-cart-order-section__tools { width: 100%; justify-content: space-between; }
    .nvk-cart-item { grid-template-columns: 58px minmax(0, 1fr); gap: 10px; padding: 10px; border-radius: 13px; }
    .nvk-cart-item__visual { grid-row: 1 / span 2; grid-column: 1; width: 58px; height: 58px; }
    .nvk-cart-item__copy { grid-row: 1; grid-column: 2; }
    .nvk-cart-item__controls { grid-row: 2; grid-column: 2; grid-template-columns: minmax(80px, .5fr) auto; align-items: end; gap: 9px; }
    .nvk-cart-item__remove { justify-self: end; }
    .nvk-cart-item__attributes { gap: 4px; }
    .nvk-cart-item__attributes > div { padding: 4px 6px; }
    .nvk-cart-checkout-card { padding: 16px; border-radius: 15px; }
    .nvk-cart-dock { padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px)); }
    .nvk-cart-dock__inner { align-items: center; gap: 8px; }
    .nvk-cart-dock__icon { flex-basis: 36px; width: 36px; height: 36px; border-radius: 10px; }
    .nvk-cart-dock__copy strong { font-size: 10px; }
    .nvk-cart-dock__copy > span { max-width: 170px; font-size: 8px; }
    .nvk-cart-dock__actions { gap: 4px; }
    .nvk-cart-dock__clear { display: none; }
    .nvk-cart-dock__open { min-width: 0; min-height: 41px; gap: 6px; padding: 8px 11px; font-size: 9px; }
    .nvk-cart-dock__open svg { width: 13px; height: 13px; }
}

@media (max-width: 380px) {
    .nvk-cart-product-grid { grid-template-columns: minmax(0, 1fr); }
    .nvk-cart-product { grid-template-columns: 68px minmax(0, 1fr); grid-template-rows: minmax(0, 1fr); }
    .nvk-cart-product__visual { grid-row: 1; grid-column: 1; height: 100%; min-height: 70px; border-right: 1px solid var(--nvk-color-border); border-bottom: 0; }
    .nvk-cart-product__visual img { min-height: 70px; }
    .nvk-cart-product__body { grid-row: 1; grid-column: 2; padding-right: 28px; }
    .nvk-cart-product__body strong { min-height: auto; }
    .nvk-cart-dock__copy > span { max-width: 118px; }
}

@media (prefers-reduced-motion: reduce) {
    .nvk-cart-product,.nvk-cart-button,.nvk-cart-search { transition: none; }
}

/* DESKTOP: prevent product image crop without changing tablet/mobile layout. */
@media (min-width: 1081px) {
    .nvk-cart-product__visual img {
        position: static !important;
        display: block;
        box-sizing: border-box;
        width: auto !important;
        height: auto !important;
        min-width: 0 !important;
        min-height: 0 !important;
        max-width: 100% !important;
        max-height: 100% !important;
        margin: 0;
        padding: 6px;
        object-fit: contain !important;
        object-position: center;
    }
}