:root {
    --ebay-blue: #0654ba;
    --amazon-orange: #ff9900;
    --amazon-yellow: #f4d078;
    --text-color-primary: #333333;
    --text-color-muted: #767676;
    --border-color-light: #e5e5e5;
    --background-color-secondary: #f7f7f7;
    --stock-green: #007600;
    --alert-red: #cc0c39;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: #ffffff;
    color: var(--text-color-primary);
    font-size: 13px;
    line-height: 1.4;
}

a {
    color: var(--ebay-blue);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.layout-container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 16px;
}

.divider-line {
    border: 0;
    border-top: 1px solid var(--border-color-light);
    margin: 12px 0;
}

.site-header {
    border-bottom: 1px solid var(--border-color-light);
}

.top-utility-bar {
    background-color: var(--background-color-secondary);
    border-bottom: 1px solid var(--border-color-light);
    font-size: 11px;
    color: var(--text-color-muted);
    padding: 6px 0;
}

.utility-inner {
    display: flex;
    justify-content: space-between;
}

.utility-links a {
    color: var(--text-color-muted);
    margin-left: 12px;
}

.primary-header-grid {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 24px;
    padding: 12px 0;
}

.brand-logo {
    font-size: 24px;
    font-weight: 700;
    color: #333333;
    letter-spacing: -1px;
}

.brand-logo span {
    color: var(--ebay-blue);
}

.header-search-form {
    display: flex;
    border: 2px solid #333333;
    border-radius: 3px;
    overflow: hidden;
    height: 40px;
}

.header-search-form select {
    background-color: var(--background-color-secondary);
    border: 0;
    border-right: 1px solid var(--border-color-light);
    padding: 0 10px;
    font-size: 12px;
    outline: none;
}

.header-search-form input {
    flex-grow: 1;
    border: 0;
    padding: 0 12px;
    font-size: 14px;
    outline: none;
}

.header-search-form button {
    background-color: #333333;
    color: #ffffff;
    border: 0;
    padding: 0 20px;
    font-weight: 700;
    cursor: pointer;
}

.user-action-nav {
    display: flex;
    gap: 16px;
}

.nav-action-item {
    font-size: 12px;
    color: var(--text-color-primary);
}

.department-subnav {
    border-top: 1px solid var(--border-color-light);
    padding: 8px 0;
}

.department-subnav ul {
    display: flex;
    list-style: none;
    gap: 18px;
}

.department-subnav a {
    color: var(--text-color-primary);
    font-size: 12px;
}

.breadcrumb-container {
    padding: 12px 0;
    font-size: 11px;
    color: var(--text-color-muted);
}

.breadcrumb-container a {
    color: var(--text-color-muted);
}

.breadcrumb-container span {
    margin: 0 4px;
}

.product-listing-layout {
    display: grid;
    grid-template-columns: 460px 1fr 280px;
    gap: 24px;
    margin-bottom: 32px;
}

.interactive-stage-wrapper {
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    background: #ffffff;
    overflow: hidden;
}

.interactive-stage-wrapper img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    transition: transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.gallery-strip-container {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.thumbnail-item {
    width: 52px;
    height: 52px;
    border: 1px solid var(--border-color-light);
    border-radius: 3px;
    padding: 4px;
    cursor: pointer;
    object-fit: contain;
    background: #ffffff;
}

.thumbnail-item.active {
    border-color: var(--ebay-blue);
    box-shadow: 0 0 0 1px var(--ebay-blue);
}

.core-product-title {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    color: #111111;
    margin-bottom: 6px;
}

.rating-metadata-row {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.star-rating-display {
    color: #f1a81f;
    font-size: 14px;
    letter-spacing: 1px;
}

.technical-meta-table {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.meta-row {
    display: flex;
}

.meta-row .label {
    width: 110px;
    color: var(--text-color-muted);
}

.meta-row .value {
    font-weight: 500;
}

.variation-selection-module {
    margin-top: 20px;
}

.variation-label-title {
    font-weight: 700;
    display: block;
    margin-bottom: 8px;
}

.variation-cards-stack {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.variation-option-card {
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 12px;
    display: flex;
    position: relative;
    cursor: pointer;
    background-color: #ffffff;
    transition: border-color 0.2s ease, background-color 0.2s ease;
}

.variation-option-card:hover {
    border-color: #999999;
}

.variation-option-card.selected {
    border-color: var(--ebay-blue);
    background-color: #f4f8fd;
    box-shadow: 0 0 0 1px var(--ebay-blue);
}

.recommended-card-tag {
    position: absolute;
    top: -9px;
    right: 12px;
    background-color: #e67e22;
    color: #ffffff;
    font-size: 9px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 2px;
    text-transform: uppercase;
}

.card-radio-cell {
    display: flex;
    align-items: center;
    padding-right: 12px;
}

.radio-circle {
    width: 16px;
    height: 16px;
    border: 1px solid #cccccc;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
}

.variation-option-card.selected .radio-circle::after {
    content: "";
    width: 8px;
    height: 8px;
    background-color: var(--ebay-blue);
    border-radius: 50%;
}

.card-description-cell {
    flex-grow: 1;
}

.package-name-title {
    font-weight: 700;
    font-size: 13px;
}

.package-duration-subtitle {
    color: var(--text-color-muted);
    font-size: 11px;
    margin-top: 2px;
}

.card-pricing-cell {
    text-align: right;
}

.package-total-cost {
    font-weight: 700;
    font-size: 14px;
}

.package-unit-cost {
    color: var(--stock-green);
    font-size: 11px;
    font-weight: 600;
}

.sticky-transaction-card {
    border: 1px solid var(--border-color-light);
    border-radius: 8px;
    padding: 16px;
    background-color: #ffffff;
}

.transaction-pricing-block {
    margin-bottom: 12px;
}

.msrp-line-display {
    font-size: 12px;
    color: var(--text-color-muted);
}

.msrp-line-display span {
    text-decoration: line-through;
}

.current-price-display {
    font-size: 24px;
    font-weight: 700;
    color: #111111;
    margin: 2px 0;
}

.discount-pill-display {
    font-size: 12px;
    color: var(--alert-red);
    font-weight: 600;
}

.transaction-shipping-block {
    font-size: 12px;
    margin-bottom: 12px;
}

.stock-indicator {
    font-weight: 700;
    margin-top: 4px;
}

.stock-indicator.green { color: var(--stock-green); }
.stock-indicator.red { color: var(--alert-red); }

.transaction-quantity-selector {
    margin-bottom: 14px;
}

.transaction-quantity-selector select {
    padding: 4px;
    border-radius: 4px;
    border: 1px solid var(--border-color-light);
    background: var(--background-color-secondary);
    margin-left: 6px;
}

.transaction-actions-stack {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.checkout-btn {
    display: block;
    width: 100%;
    padding: 10px;
    border-radius: 4px;
    font-weight: 600;
    text-align: center;
    font-size: 13px;
}

.cart-btn {
    background-color: var(--amazon-yellow);
    border: 1px solid #a88734;
    color: #111111;
}

.buy-btn {
    background-color: var(--amazon-orange);
    border: 1px solid #a88734;
    color: #111111;
}

.checkout-btn:hover {
    text-decoration: none;
    opacity: 0.9;
}

.trust-assurance-stack {
    border-top: 1px solid var(--border-color-light);
    padding-top: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 11px;
    color: var(--text-color-muted);
}

.guarantee-badge-container {
    margin-top: 12px;
    text-align: center;
}

.guarantee-badge-container img {
    max-width: 120px;
    height: auto;
}

.marketplace-tabs-container {
    border-top: 1px solid var(--border-color-light);
    padding: 24px 0;
}

.section-block-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #111111;
}

.plain-text-description p {
    margin-bottom: 12px;
    font-size: 13px;
    color: #333333;
}

.technical-matrix-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.technical-matrix-table th, .technical-matrix-table td {
    border: 1px solid var(--border-color-light);
    padding: 10px 12px;
    text-align: left;
    font-size: 12px;
}

.technical-matrix-table th {
    background-color: var(--background-color-secondary);
    font-weight: 600;
}

.review-matrix-layout {
    display: grid;
    grid-template-columns: 240px 1fr;
    gap: 32px;
}

.matrix-breakdown-card {
    background-color: var(--background-color-secondary);
    padding: 16px;
    border-radius: 4px;
    height: fit-content;
}

.numerical-rating-headline {
    font-size: 32px;
    font-weight: 700;
}

.subtitle-rating-metrics {
    font-size: 11px;
    color: var(--text-color-muted);
    margin-bottom: 12px;
}

.histogram-distribution-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    margin-bottom: 4px;
}

.bar-label {
    width: 40px;
}

.bar-track {
    flex-grow: 1;
    height: 8px;
    background-color: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.bar-fill {
    height: 100%;
    background-color: #f1a81f;
}

.bar-percent {
    width: 30px;
    text-align: right;
}

.user-review-block {
    border-bottom: 1px solid var(--border-color-light);
    padding-bottom: 16px;
    margin-bottom: 16px;
}

.review-meta-line {
    font-size: 11px;
    margin-bottom: 4px;
}

.verified-purchase-tag {
    color: var(--stock-green);
    font-weight: 700;
    margin-left: 6px;
}

.individual-review-title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 4px;
}

.individual-review-text {
    font-size: 12px;
    color: #444444;
}

.accordion-faq-matrix {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.faq-accordion-item {
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    overflow: hidden;
}

.accordion-header-toggle {
    width: 100%;
    background-color: var(--background-color-secondary);
    border: 0;
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    outline: none;
}

.accordion-body-content {
    padding: 16px;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color-light);
    display: none;
    font-size: 12px;
}

.related-products-carousel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.related-product-card {
    border: 1px solid var(--border-color-light);
    border-radius: 4px;
    padding: 12px;
    display: block;
    background: #ffffff;
}

.related-product-card:hover {
    text-decoration: none;
    border-color: #999999;
}

.card-image-hold {
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 8px;
}

.card-image-hold img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.related-item-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--ebay-blue);
    line-height: 1.3;
    height: 32px;
    overflow: hidden;
    margin-bottom: 4px;
}

.related-item-price {
    font-weight: 700;
    font-size: 14px;
    color: #111111;
    margin-top: 4px;
}

.site-marketplace-footer {
    background-color: var(--background-color-secondary);
    border-top: 1px solid var(--border-color-light);
    padding: 32px 0;
    margin-top: 48px;
    font-size: 11px;
    color: var(--text-color-muted);
}

.footer-links-columns {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color-light);
}

.footer-column-block h4 {
    color: #333333;
    margin-bottom: 8px;
    font-size: 12px;
}

.footer-column-block ul {
    list-style: none;
}

.footer-column-block li {
    margin-bottom: 4px;
}

.footer-column-block a {
    color: var(--text-color-muted);
}

.formal-disclaimer-row {
    padding-top: 24px;
    text-align: justify;
    line-height: 1.5;
}

.copyright-line {
    margin-top: 12px;
    text-align: center;
}

.mobile-fixed-checkout-strip {
    display: none;
}

.back-to-top-scroller {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    background-color: #333333;
    color: #ffffff;
    border: 0;
    border-radius: 4px;
    font-size: 18px;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 99;
}

.back-to-top-scroller.visible {
    opacity: 0.7;
}

@media (max-width: 1024px) {
    .product-listing-layout {
        grid-template-columns: 1fr 1fr;
    }
    .listing-checkout-column {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .primary-header-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .product-listing-layout {
        grid-template-columns: 1fr;
    }
    .listing-visuals-column, .listing-details-column, .listing-checkout-column {
        grid-column: span 1;
    }
    .interactive-stage-wrapper {
        height: 280px;
    }
    .review-matrix-layout {
        grid-template-columns: 1fr;
    }
    .footer-links-columns {
        grid-template-columns: 1fr;
    }
    body {
        padding-bottom: 60px;
    }
    .mobile-fixed-checkout-strip {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background-color: #ffffff;
        border-top: 1px solid var(--border-color-light);
        padding: 8px 16px;
        justify-content: space-between;
        align-items: center;
        z-index: 999;
    }
    .mobile-price-readout .label {
        display: block;
        font-size: 10px;
        color: var(--text-color-muted);
    }
    .mobile-price-readout .value {
        font-size: 18px;
        font-weight: 700;
        color: var(--alert-red);
    }
    .mobile-action-checkout-btn {
        background-color: var(--amazon-orange);
        color: #111111;
        padding: 8px 24px;
        border-radius: 4px;
        font-weight: 700;
        font-size: 13px;
    }
}