/* Alibaba-style product detail — 3-column layout */
.product-detail {
    padding: 1rem 0 3rem;
    background: #fff;
}

.product-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.product-breadcrumb a {
    color: var(--color-text-secondary);
    text-decoration: none;
}

.product-breadcrumb a:hover {
    color: var(--color-search);
}

/* Gallery | Main content (info + sidebar, then details) */
.product-detail-layout {
    display: grid;
    grid-template-columns: minmax(280px, 42%) minmax(0, 1fr);
    gap: 1.5rem 2rem;
    align-items: start;
}

.product-gallery-column {
    align-self: stretch;
    min-width: 0;
}

.product-detail-main {
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.product-detail-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 1.5rem 2rem;
    align-items: start;
}

.product-gallery-sticky {
    position: sticky;
    top: calc(72px + 1.25rem);
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-info-column {
    min-width: 0;
}

.product-detail-tabs {
    min-width: 0;
    margin-top: 0;
    padding-top: 1.5rem;
    border-top: 1px solid #eee;
}

.product-gallery-shell {
    position: relative;
}

.product-gallery-shell > .wishlist-save-wrap {
    top: 0.75rem;
    right: 0.75rem;
    z-index: 6;
}

.product-gallery {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
    align-items: stretch;
}

.product-gallery-thumbs {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.5rem;
    width: 100%;
}

.product-gallery-main {
    flex: 1;
    min-width: 0;
    aspect-ratio: 1;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.product-gallery-main img,
.product-gallery-main video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #fff;
}

.product-gallery-thumb {
    width: 52px;
    height: 52px;
    padding: 0;
    border: 1px solid #e5e5e5;
    border-radius: 2px;
    overflow: hidden;
    background: #fff;
    cursor: pointer;
    flex-shrink: 0;
}

.product-gallery-thumb.is-active {
    border-color: var(--color-search);
    box-shadow: 0 0 0 1px var(--color-search);
}

.product-gallery-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-gallery-thumb-video {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.product-gallery-empty {
    flex: 1;
    aspect-ratio: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    background: #fafafa;
    border: 1px dashed #e5e5e5;
    color: var(--color-text-muted);
}

/* Supplier-style card under gallery */
.product-source-card {
    margin-top: 0;
    padding: 0.875rem 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fff;
    flex-shrink: 0;
}

.product-source-head {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.875rem;
    color: #222;
}

.product-source-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-search);
    background: #fff7f0;
    padding: 0.15rem 0.4rem;
    border-radius: 2px;
}

.product-source-kpis {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
}

.product-source-kpi {
    text-align: center;
    font-size: 0.6875rem;
    color: #888;
}

.product-source-kpi strong {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.8125rem;
    color: #222;
}

/* Center column — product info */
.product-info-column {
    min-width: 0;
    padding-right: 0.5rem;
}

.product-info-column h1 {
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.45;
    margin: 0 0 0.5rem;
    color: #222;
}

.product-meta-line {
    font-size: 0.8125rem;
    color: #888;
    margin: 0 0 1rem;
}

/* Tiered pricing row */
.product-price-tiers {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    margin-bottom: 1.25rem;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    overflow: hidden;
}

.product-price-tier {
    flex: 1;
    min-width: 90px;
    padding: 0.75rem 0.875rem;
    border-right: 1px solid #f0f0f0;
    background: #fff;
}

.product-price-tier:last-child {
    border-right: none;
}

.product-price-tier.is-active {
    background: #fafafa;
}

.product-price-tier-value {
    display: block;
    font-size: 1.375rem;
    font-weight: 700;
    color: #222;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.product-price-tier-label {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.6875rem;
    color: #888;
    line-height: 1.35;
}

/* Option selectors */
.product-options {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1rem;
}

.product-option-group {
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr);
    gap: 0.75rem;
    align-items: start;
}

.product-option-label {
    font-size: 0.8125rem;
    color: #888;
    padding-top: 0.5rem;
    text-transform: lowercase;
}

.product-option-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    min-width: 0;
}

.product-option-values {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    flex: 1;
    min-width: 0;
}

.product-option-btn {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-width: 3rem;
    min-height: auto;
    padding: 0.35rem 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #222;
    -webkit-text-fill-color: currentColor;
    font-family: var(--font);
    font-size: 0.8125rem;
    line-height: 1.2;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.product-option-btn-text {
    display: block;
    color: #222;
    font-size: 0.75rem;
    font-weight: 600;
    text-align: center;
    white-space: nowrap;
}

.product-option-swatch {
    display: block;
    width: 40px;
    height: 40px;
    border-radius: 2px;
    overflow: hidden;
    background: #f5f5f5;
}

.product-option-swatch img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-option-btn-swatch {
    min-width: 3.5rem;
    padding: 0.35rem;
}

.product-option-btn:hover {
    border-color: var(--color-search);
}

.product-option-btn:hover .product-option-btn-text {
    color: var(--color-search);
}

.product-option-btn.is-selected {
    border-color: var(--color-search);
    box-shadow: 0 0 0 1px var(--color-search);
}

.product-option-btn.is-selected .product-option-btn-text {
    color: var(--color-search);
}

.product-option-select-btn {
    flex-shrink: 0;
    padding: 0.45rem 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    background: #fff;
    color: #333;
    font-family: var(--font);
    font-size: 0.8125rem;
    cursor: pointer;
    white-space: nowrap;
}

.product-option-select-btn:hover {
    border-color: #999;
}

.product-selected-sku {
    font-size: 0.8125rem;
    color: #666;
    margin: 0 0 1rem;
}

/* Attributes tables (Alibaba-style key attributes) */
.product-attrs-section {
    margin-bottom: 1.25rem;
}

.product-attrs-heading {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #222;
    margin: 0 0 0.625rem;
}

.product-attrs-box {
    border: 1px solid #e8e8e8;
    border-radius: 2px;
    overflow: hidden;
    background: #fff;
}

.product-attrs-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.product-attrs-table th,
.product-attrs-table td {
    border: 1px solid #e8e8e8;
    padding: 0.625rem 0.75rem;
    font-size: 0.8125rem;
    line-height: 1.45;
    vertical-align: top;
    text-align: left;
}

.product-attrs-table th {
    width: 18%;
    background: #f5f5f5;
    color: #666;
    font-weight: 500;
}

.product-attrs-table td {
    width: 32%;
    background: #fff;
    color: #333;
}

.product-attrs-table-empty {
    background: #fff;
}

.product-attrs-variation-wrap {
    margin-top: 0.25rem;
}

.product-detail-lead {
    font-size: 0.9375rem;
    line-height: 1.65;
    color: #444;
    margin: 0 0 1.25rem;
    max-width: 52rem;
}

.product-group-status-inline {
    margin-top: 0.5rem;
}

.product-progress-bar {
    height: 4px;
    background: #f0f0f0;
    border-radius: 999px;
    overflow: hidden;
    margin-bottom: 0.4rem;
}

.product-progress-fill {
    display: block;
    height: 100%;
    background: var(--color-search);
    border-radius: 999px;
}

.product-progress-fill.is-complete {
    background: var(--color-accent);
}

.product-group-note {
    font-size: 0.75rem;
    color: #888;
    margin: 0;
}

.product-shipping-calculator {
    margin-top: 1.25rem;
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fafafa;
}

.product-shipping-calculator-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0;
    color: #222;
}

.product-shipping-calculator-header {
    margin-bottom: 0.75rem;
}

.product-shipping-calculator-note {
    margin: 0.25rem 0 0;
    font-size: 0.75rem;
    color: #888;
}

.product-shipping-results {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.product-shipping-estimate {
    padding: 0.75rem;
    border: 1px solid #e5e5e5;
    border-radius: 4px;
    background: #fff;
}

.product-shipping-estimate.has-error {
    background: #fffbeb;
    border-color: #fde68a;
}

.product-shipping-estimate-title {
    margin: 0 0 0.5rem;
    font-size: 0.8125rem;
    font-weight: 700;
    color: #333;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.product-shipping-quantity {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.875rem;
}

.product-shipping-quantity label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #555;
    margin: 0;
}

.product-shipping-quantity-input {
    width: 5.5rem;
    padding: 0.5rem 0.625rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font);
    font-size: 0.875rem;
    font-weight: 600;
    color: #222;
    background: #fff;
    text-align: center;
    transition: border-color 0.15s, box-shadow 0.15s;
    -moz-appearance: textfield;
    appearance: textfield;
}

.product-shipping-quantity-input::-webkit-outer-spin-button,
.product-shipping-quantity-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.product-shipping-quantity-input:focus {
    outline: none;
    border-color: var(--color-search);
    box-shadow: 0 0 0 1px rgba(255, 106, 0, 0.25);
}

.product-shipping-quantity-input:hover:not(:focus) {
    border-color: #bbb;
}

.product-shipping-specs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.5rem 0.75rem;
    margin: 0 0 0.875rem;
    font-size: 0.75rem;
}

.product-shipping-specs dt {
    color: #888;
    font-weight: 500;
}

.product-shipping-specs dd {
    margin: 0.15rem 0 0;
    color: #333;
    font-weight: 600;
}

.product-shipping-rate-line {
    margin: 0 0 0.25rem;
    font-size: 0.75rem;
    color: #666;
}

.product-shipping-total {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 700;
    color: #222;
    line-height: 1.3;
}

.product-shipping-basis {
    margin: 0.25rem 0 0;
    font-size: 0.75rem;
    color: #888;
}

.product-shipping-arrival {
    margin: 0.5rem 0 0;
    padding: 0.5rem 0.625rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #047857;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 4px;
    line-height: 1.4;
}

.product-shipping-error {
    margin: 0.5rem 0 0;
    font-size: 0.8125rem;
    color: #b45309;
}

.product-shipping-admin-action {
    margin: 0.5rem 0 0;
    font-size: 0.75rem;
}

.product-shipping-admin-action a {
    color: var(--color-search);
    font-weight: 600;
    text-decoration: none;
}

.product-shipping-admin-action a:hover {
    text-decoration: underline;
}

.product-shipping-admin-footnote {
    display: block;
    margin-top: 0.35rem;
}

.product-shipping-admin-footnote a {
    color: var(--color-search);
    font-weight: 600;
    text-decoration: none;
}

.product-shipping-admin-footnote a:hover {
    text-decoration: underline;
}

.product-shipping-footnote {
    margin: 0.75rem 0 0;
    font-size: 0.6875rem;
    color: #999;
    line-height: 1.45;
}

/* Right action sidebar */
.product-action-sidebar {
    position: sticky;
    top: calc(72px + 1.25rem);
    display: flex;
    flex-direction: column;
    gap: 0.875rem;
    align-self: start;
}

.product-sidebar-card {
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fff;
}

.product-sidebar-card h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    color: #222;
}

.product-sidebar-text {
    font-size: 0.8125rem;
    color: #666;
    line-height: 1.5;
    margin: 0;
}

.product-trust-card {
    background: #fafafa;
}

.product-trust-item {
    margin-top: 0.75rem;
}

.product-trust-item:first-of-type {
    margin-top: 0;
}

.product-trust-item strong {
    display: block;
    font-size: 0.8125rem;
    color: #333;
    margin-bottom: 0.15rem;
}

.product-trust-item p {
    font-size: 0.75rem;
    color: #888;
    margin: 0;
    line-height: 1.45;
}

.product-buy-actions {
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}

.btn-search {
    background: var(--color-search);
    color: #fff;
    border: none;
    font-weight: 700;
}

.btn-search:hover {
    background: var(--color-search-hover);
    color: #fff;
    transform: none;
}

.btn-search-outline {
    background: #fff;
    color: var(--color-search);
    border: 1px solid var(--color-search);
    font-weight: 600;
}

.btn-search-outline:hover {
    background: #fff7f0;
    color: var(--color-search);
}

.btn-chat-outline {
    background: #fff;
    color: #222;
    border: 1px solid #222;
    font-weight: 600;
}

.btn-chat-outline:hover {
    background: #f5f5f5;
    color: #222;
}

.btn-chat-outline:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pledge-selection-status {
    font-size: 0.8125rem;
    margin: 0 0 0.875rem;
    padding: 0.625rem 0.75rem;
    border-radius: 4px;
    line-height: 1.45;
}

.pledge-selection-status.is-info {
    background: #fff7f0;
    color: #9a3412;
    border: 1px solid #fed7aa;
}

.pledge-selection-status.is-success {
    background: var(--color-accent-soft);
    color: #047857;
    border: 1px solid #a7f3d0;
}

.pledge-selection-status.is-warning {
    background: #fffbeb;
    color: #b45309;
    border: 1px solid #fde68a;
}

.group-buy-user-pledge-heading {
    font-size: 0.8125rem;
    color: #666;
    margin-bottom: 0.4rem;
}

.pledge-summary-list {
    list-style: none;
    margin: 0 0 0.75rem;
    padding: 0;
    display: grid;
    gap: 0.35rem;
}

.pledge-summary-list li {
    font-size: 0.8125rem;
    color: #555;
    padding: 0.45rem 0.6rem;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 4px;
}

.pledge-lines {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.pledge-line {
    display: grid;
    grid-template-columns: 1fr 72px auto;
    gap: 0.5rem;
    align-items: start;
    padding: 0.5rem;
    background: #fafafa;
    border: 1px solid #eee;
    border-radius: 4px;
}

.pledge-line-simple {
    grid-template-columns: 72px auto;
}

.pledge-line.is-target-line {
    border-color: var(--color-search);
    box-shadow: 0 0 0 1px rgba(255, 106, 0, 0.25);
}

/* Sidebar variation pledge list */
.variation-sidebar-panel {
    padding: 1rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fff;
}

.variation-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.35rem;
}

.variation-sidebar-heading {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 700;
    color: #222;
}

.variation-header-cart-btn {
    flex-shrink: 0;
    padding: 0.45rem 0.75rem;
    font-size: 0.8125rem;
    white-space: nowrap;
}

.variation-sidebar-cart-note {
    margin: 0 0 0.75rem;
    font-size: 0.6875rem;
    line-height: 1.45;
    color: #888;
}

.variation-sidebar-cart-note strong {
    font-weight: 600;
    color: #666;
}

.add-to-cart-form-product {
    margin-bottom: 0;
}

.variation-pledge-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.variation-pledge-list-readonly .variation-pledge-row {
    grid-template-columns: 1fr;
}

.variation-pledge-sku {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.6875rem;
    color: #999;
}

.variation-create-group-buy {
    margin-bottom: 0.75rem;
}

.variation-pledge-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 72px;
    gap: 0.5rem;
    align-items: center;
    padding: 0.625rem 0.75rem;
    border: 1px solid #eee;
    border-radius: 4px;
    background: #fafafa;
}

.variation-pledge-row.is-target-line {
    border-color: var(--color-search);
    box-shadow: 0 0 0 1px rgba(255, 106, 0, 0.25);
    background: #fff7f0;
}

.variation-pledge-info {
    min-width: 0;
}

.variation-pledge-name {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #222;
    line-height: 1.35;
}

.variation-pledge-price {
    display: block;
    margin-top: 0.15rem;
    font-size: 0.75rem;
    color: #888;
}

.variation-pledge-qty {
    width: 100%;
    min-width: 0;
    padding: 0.5rem 0.35rem;
    text-align: center;
    font-weight: 600;
}

.pledge-delete {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding-top: 0.5rem;
    font-size: 0.75rem;
    color: #888;
}

.pledge-delete label {
    cursor: pointer;
}

.group-buy-form .form-input,
.group-buy-form .form-select {
    width: 100%;
    padding: 0.5rem 0.625rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font);
    font-size: 0.8125rem;
    background: #fff;
}

.group-buy-form .form-input:focus,
.group-buy-form .form-select:focus {
    outline: none;
    border-color: var(--color-search);
}

.add-to-cart-form {
    margin: 0;
    padding: 0;
    border: none;
    background: transparent;
}

.add-to-cart-row {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.add-to-cart-qty-wrap {
    border: 1px solid #ddd;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
}

.add-to-cart-form .form-input {
    width: 3.5rem;
    padding: 0.625rem 0.35rem;
    border: none;
    font-size: 0.875rem;
    font-weight: 600;
    text-align: center;
    background: transparent;
}

.add-to-cart-form .form-input:focus {
    outline: none;
}

.add-to-cart-form .btn {
    flex: 1;
    min-height: 2.75rem;
}

.add-to-cart-hint {
    margin: 0.5rem 0 0;
    font-size: 0.75rem;
    color: #888;
    line-height: 1.45;
}

/* Details section below */
.product-detail-tab-panel h2 {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 1rem;
    color: #222;
}

.product-detail-tab-panel h3 {
    font-size: 0.9375rem;
    font-weight: 700;
    margin: 1.5rem 0 0.75rem;
    color: #333;
}

.product-detail-description {
    font-size: 0.875rem;
    line-height: 1.7;
    color: #555;
}

.product-detail-description.muted {
    color: #999;
}

.product-variations-table-wrap {
    overflow-x: auto;
    border: 1px solid #eee;
    border-radius: 4px;
}

.product-variations-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.product-variations-table th,
.product-variations-table td {
    padding: 0.625rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.product-variations-table th {
    background: #fafafa;
    color: #888;
    font-weight: 600;
}

.product-variations-table code {
    font-size: 0.75rem;
    background: #f5f5f5;
    padding: 0.15rem 0.35rem;
    border-radius: 3px;
}

.product-variation-row.is-highlighted {
    background: #fff7f0;
}

.related-products {
    padding: 2rem 0 3rem;
    border-top: 1px solid #eee;
    background: #fafafa;
}

.related-products-heading {
    font-size: 1.125rem;
    font-weight: 700;
    margin: 0 0 1rem;
}

.related-products-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.875rem;
}

.related-products-grid .product-card {
    min-width: 0;
}

@media (max-width: 1200px) {
    .related-products-grid {
        grid-template-columns: repeat(6, minmax(0, 1fr));
        gap: 0.75rem;
    }
}

@media (max-width: 960px) {
    .related-products-grid {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        overscroll-behavior-x: contain;
        scroll-snap-type: x proximity;
        gap: 0.875rem;
        padding-bottom: 0.25rem;
        -webkit-overflow-scrolling: touch;
    }

    .related-products-grid .product-card {
        flex: 0 0 min(220px, 44vw);
        scroll-snap-align: start;
    }
}

.field-error,
.form-errors {
    color: #dc2626;
    font-size: 0.75rem;
}

.form-errors {
    padding: 0.625rem;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 4px;
    margin-bottom: 0.75rem;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

@media (max-width: 1100px) {
    .product-detail-layout {
        grid-template-columns: minmax(240px, 1fr) minmax(0, 1fr);
    }

    .product-detail-top {
        grid-template-columns: minmax(0, 1fr);
    }

    .product-action-sidebar {
        position: static;
        max-width: 420px;
    }

    .product-gallery-sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
    }

    .product-action-sidebar {
        max-width: none;
    }

    .product-attrs-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .product-source-kpis {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .variation-pledge-row {
        grid-template-columns: minmax(0, 1fr) 64px;
    }

    .product-option-group {
        grid-template-columns: 1fr;
    }

    .product-option-row {
        flex-direction: column;
    }

    .product-attrs-grid {
        grid-template-columns: 1fr;
    }

    .product-price-tiers {
        flex-direction: column;
    }

    .product-price-tier {
        border-right: none;
        border-bottom: 1px solid #f0f0f0;
    }

    .product-price-tier:last-child {
        border-bottom: none;
    }
}