/* Product Detail Page */

body.page-product-detail {
    padding-top: var(--header-height);
    overflow-x: hidden;
}

body.page-product-detail .site-header {
    background-color: #fff;
    border-bottom-color: var(--color-border);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

/* Top bar — aligned with site-breadcrumb-bar on list pages */
.pd-topbar {
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.pd-topbar.site-breadcrumb-bar {
    position: relative;
    z-index: 5;
    padding: var(--breadcrumb-bar-padding-y) 0;
}

.pd-topbar.site-breadcrumb-bar .pd-topbar__inner {
    padding: 0;
}

.pd-topbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--topbar-gap);
}

.pd-topbar.site-breadcrumb-bar .page-container {
    padding-left: var(--page-padding-x);
    padding-right: var(--page-padding-x);
}

.pd-topbar .site-breadcrumb {
    flex: 1 1 auto;
    min-width: 0;
    margin-bottom: 0;
}

.pd-topbar__back {
    flex-shrink: 0;
    font-size: var(--fs-xs);
    font-weight: 600;
    text-decoration: none;
    color: var(--color-primary);
    transition: color 0.2s ease;
}

.pd-topbar__back:hover {
    color: var(--color-accent);
}

/* Main layout */
.pd-main {
    padding: calc(var(--section-py) + 4px) 0 var(--section-py);
    background: #fff;
}

.pd-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
    align-items: start;
    margin-bottom: clamp(36px, 5vw, 56px);
}

/* Gallery */
.pd-gallery__stage {
    background: #f3f7fb;
    border-radius: var(--pd-gallery-radius);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pd-gallery__main {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center center;
    padding: var(--pd-gallery-pad);
    box-sizing: border-box;
}

.pd-gallery__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.pd-gallery__thumbs.is-single {
    display: none;
}

.pd-gallery__thumb {
    flex: 0 0 calc(25% - 7.5px);
    min-width: var(--pd-thumb-min-w);
    max-width: var(--pd-thumb-max-w);
    aspect-ratio: 1 / 1;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 10px;
    background: #f3f7fb;
    overflow: hidden;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pd-gallery__thumb img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 8px;
    box-sizing: border-box;
}

.pd-gallery__thumb:hover {
    border-color: rgba(23, 41, 140, 0.25);
}

.pd-gallery__thumb.is-active {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(23, 41, 140, 0.1);
}

/* Info */
.pd-info__category {
    display: inline-block;
    margin: 0 0 12px;
    padding: 5px 12px;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: rgba(23, 41, 140, 0.08);
    border-radius: 999px;
}

.pd-info__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(22px, 2.8vw, var(--pd-info-title-size));
    line-height: 1.3;
    letter-spacing: 0.01em;
    color: #111827;
    margin: 0 0 var(--pd-info-title-mb);
}

.pd-info__lead {
    font-size: var(--fs-sm);
    line-height: 1.65;
    color: #6b7280;
    margin: 0 0 22px;
}

.pd-info__lead:empty {
    display: none;
    margin: 0;
}

.pd-info__summary {
    margin: 0 0 24px;
    padding: var(--pd-panel-padding);
    background: #f9fafb;
    border: 1px solid #eef2f6;
    border-radius: var(--card-radius-md);
}

.pd-info__summary-block {
    padding: 12px 0;
    border-bottom: 1px solid #eef2f6;
}

.pd-info__summary-block:first-child {
    padding-top: 0;
}

.pd-info__summary-block:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.pd-info__summary-block.is-empty {
    display: none;
}

.pd-info__summary:not(:has(.pd-info__summary-block:not(.is-empty))) {
    display: none;
}

.pd-info__summary-title {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #9ca3af;
    margin: 0 0 10px;
}

.pd-info__summary-body {
    font-size: var(--fs-sm);
    line-height: 1.65;
    color: #374151;
}

.pd-info__summary-body p {
    margin: 0 0 0.9em;
}

.pd-info__summary-body p:last-child {
    margin-bottom: 0;
}

.pd-info__summary-body ul,
.pd-info__summary-body ol {
    margin: 0 0 0.9em;
    padding-left: 1.4em;
}

.pd-info__summary-body li {
    margin-bottom: 0.35em;
}

.pd-specs:not(:has(.pd-specs__value:not(:empty))) {
    display: none;
}

.pd-specs__row:has(.pd-specs__value:empty) {
    display: none;
}

.pd-specs {
    margin: 0 0 24px;
    padding: var(--pd-panel-padding);
    background: #f9fafb;
    border: 1px solid #eef2f6;
    border-radius: var(--card-radius-md);
}

.pd-specs__row {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 6px;
    padding: 12px 0;
    border-bottom: 1px solid #eef2f6;
}

.pd-specs__row:first-child {
    padding-top: 0;
}

.pd-specs__row:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.pd-specs__label {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: #9ca3af;
    margin: 0;
}

.pd-specs__value {
    font-size: var(--fs-sm);
    line-height: 1.55;
    color: #374151;
    margin: 0;
}

.pd-info__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.pd-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: var(--pd-btn-min-h);
    padding: var(--pd-btn-padding);
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: var(--btn-radius);
    transition: background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.pd-btn--primary {
    color: #fff;
    background: var(--color-accent);
    border: 2px solid var(--color-accent);
}

.pd-btn--primary:hover {
    background: var(--btn-hover-bg);
    border-color: var(--btn-hover-bg);
    transform: translateY(-2px);
    box-shadow: var(--btn-hover-shadow);
}

.pd-btn--outline {
    color: var(--color-primary);
    background: #fff;
    border: 2px solid var(--color-primary);
}

.pd-btn--outline:hover {
    color: #fff;
    background: var(--btn-hover-bg);
    border-color: var(--btn-hover-bg);
    transform: translateY(-2px);
    box-shadow: var(--btn-hover-shadow);
}

/* Content */
.pd-content {
    padding-top: clamp(28px, 4vw, 40px);
    border-top: 1px solid var(--color-border);
}

.pd-content__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(18px, 2.2vw, 22px);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #111827;
    margin: 0 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--color-primary);
    display: inline-block;
}

.pd-content__sections {
    display: flex;
    flex-direction: column;
    gap: clamp(28px, 4vw, 40px);
}

.pd-info__summary-body p:empty,
.pd-content__section-body p:empty {
    display: none;
    margin: 0;
}

.pd-content.is-empty {
    display: none;
}

.pd-content__section.is-empty {
    display: none;
}

.pd-content__section-title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(16px, 1.8vw, var(--pd-content-section-title-size));
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #111827;
    margin: 0 0 var(--pd-content-section-title-mb);
    padding-bottom: var(--pd-content-section-title-pad-b);
    border-bottom: var(--pd-content-section-title-border) solid var(--color-primary);
    display: inline-block;
}

.pd-content__section-body,
.pd-content__body {
    font-size: var(--fs-sm);
    line-height: 1.75;
    color: #374151;
}

.pd-content__section-body > *:first-child,
.pd-content__body > *:first-child {
    margin-top: 0;
}

.pd-content__section-body > *:last-child,
.pd-content__body > *:last-child {
    margin-bottom: 0;
}

.pd-content__section-body > p:only-child:empty,
.pd-content__section-body > p:empty,
.pd-content__body > p:only-child:empty,
.pd-content__body > p:empty {
    display: none;
}

.pd-content__section-body p,
.pd-content__body p {
    margin: 0 0 1.2em;
}

.pd-content__section-body p:last-child,
.pd-content__body p:last-child {
    margin-bottom: 0;
}

.pd-content__section-body h2,
.pd-content__section-body h3,
.pd-content__section-body h4,
.pd-content__body h2,
.pd-content__body h3,
.pd-content__body h4 {
    font-family: var(--font-display);
    font-weight: 700;
    color: #111827;
    margin: 1.6em 0 0.7em;
    line-height: 1.35;
}

.pd-content__section-body h2,
.pd-content__body h2 { font-size: clamp(18px, 1.8vw, 22px); }
.pd-content__section-body h3,
.pd-content__body h3 { font-size: clamp(16px, 1.5vw, 18px); }

.pd-content__section-body ul,
.pd-content__section-body ol,
.pd-content__body ul,
.pd-content__body ol {
    margin: 0 0 1.2em;
    padding-left: 1.4em;
}

.pd-content__section-body li,
.pd-content__body li {
    margin-bottom: 0.45em;
}

.pd-content__section-body img,
.pd-content__body img {
    display: block;
    max-width: 100%;
    height: auto;
    margin: 1.4em auto;
    border-radius: 8px;
}

/* Unified tables in product detail rich text */
.pd-info__summary-body table,
.pd-content__section-body table,
.pd-content__body table {
    width: 100% !important;
    max-width: 100%;
    border-collapse: collapse !important;
    margin: 1.2em 0 0;
    font-size: var(--fs-sm);
    line-height: 1.55;
    color: #374151;
    background: #fff;
    border: 1px solid var(--color-border) !important;
    table-layout: auto;
}

.pd-info__summary-body th,
.pd-info__summary-body td,
.pd-content__section-body th,
.pd-content__section-body td,
.pd-content__body th,
.pd-content__body td {
    border: 1px solid var(--color-border) !important;
    padding: 10px 14px !important;
    text-align: center;
    vertical-align: middle;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    background: transparent;
}

.pd-info__summary-body th,
.pd-content__section-body th,
.pd-content__body th {
    background: #f3f7fb !important;
    font-family: var(--font-display);
    font-weight: 600;
    color: #111827 !important;
}

.pd-info__summary-body tbody tr:nth-child(even) td,
.pd-content__section-body tbody tr:nth-child(even) td,
.pd-content__body tbody tr:nth-child(even) td {
    background: #f9fafb;
}

.pd-info__summary-body tbody tr:hover td,
.pd-content__section-body tbody tr:hover td,
.pd-content__body tbody tr:hover td {
    background: #f3f7fb;
}

.pd-info__summary-body table p,
.pd-content__section-body table p,
.pd-content__body table p {
    margin: 0;
}

.pd-info__summary-body table + table,
.pd-content__section-body table + table,
.pd-content__body table + table {
    margin-top: 1.2em;
}

.pd-table-scroll {
    max-width: 100%;
    margin: 1.2em 0 0;
}

.pd-table-scroll table {
    margin-top: 0 !important;
}

.pd-table-scroll + .pd-table-scroll {
    margin-top: 1.2em;
}

/* Pager */
.pd-pager {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin-top: clamp(32px, 4vw, 48px);
    padding-top: clamp(28px, 4vw, 40px);
    border-top: 1px solid var(--color-border);
}

.pd-pager__item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: var(--pd-pager-padding);
    text-decoration: none;
    background: #f9fafb;
    border: 1px solid #eef2f6;
    border-radius: var(--card-radius-md);
    transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.pd-pager__item:hover {
    background: #fff;
    border-color: rgba(23, 41, 140, 0.2);
    transform: translateY(-2px);
}

.pd-pager__item--next {
    text-align: right;
    align-items: flex-end;
}

.pd-pager__label {
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.pd-pager__title {
    font-size: var(--fs-sm);
    line-height: 1.45;
    color: #374151;
}

/* Related */
.pd-related {
    padding: var(--section-py) 0 calc(var(--section-py) + 8px);
    background: #f3f7fb;
}

.pd-related__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pd-related-head-gap);
    margin-bottom: var(--pd-related-head-mb);
}

.pd-related__title {
    font-family: var(--font-display);
    font-weight: 700;
    font-size: clamp(18px, 2.2vw, var(--pd-related-title-size));
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #111827;
    margin: 0;
}

.pd-related__link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-display);
    font-size: var(--fs-xs);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s ease, gap 0.2s ease;
}

.pd-related__link:hover {
    color: var(--color-accent);
    gap: 12px;
}

.pd-related__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 1023px) {
    .pd-layout {
        grid-template-columns: minmax(0, 1fr);
        gap: clamp(24px, 4vw, 36px);
    }

    .pd-gallery__stage {
        max-width: 640px;
        margin: 0 auto;
    }

    .pd-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--grid-gap-lg);
    }

    .pd-table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior-x: contain;
    }

    .pd-table-scroll table {
        width: max-content !important;
        min-width: 100%;
        max-width: none;
        table-layout: auto !important;
    }

    .pd-table-scroll th,
    .pd-table-scroll td {
        white-space: nowrap;
        word-break: normal;
        hyphens: none;
    }
}

@media (max-width: 767px) {
    .pd-topbar__inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .pd-topbar .site-breadcrumb {
        width: 100%;
        font-size: var(--fs-xs);
        line-height: 1.45;
        gap: 4px;
    }

    .pd-topbar__back {
        font-size: 11px;
        line-height: 1.4;
        max-width: 100%;
    }

    .pd-main {
        padding: 20px 0 var(--section-py);
    }

    .pd-layout {
        gap: 20px;
        margin-bottom: 28px;
    }

    .pd-gallery__stage {
        aspect-ratio: 4 / 3;
        border-radius: 10px;
        max-width: none;
    }

    .pd-gallery__main {
        padding: 12px;
    }

    .pd-gallery__thumbs {
        gap: 8px;
        margin-top: 10px;
    }

    .pd-gallery__thumb {
        flex: 0 0 calc(25% - 6px);
        min-width: 56px;
        max-width: none;
    }

    .pd-info__category {
        margin-bottom: 10px;
        padding: 4px 10px;
        font-size: 11px;
    }

    .pd-info__title {
        font-size: clamp(18px, 5.2vw, 22px);
        line-height: 1.25;
        margin-bottom: 12px;
    }

    .pd-info__summary {
        margin-bottom: 18px;
        padding: 14px;
    }

    .pd-info__summary-block {
        padding: 10px 0;
    }

    .pd-info__summary-title {
        margin-bottom: 8px;
    }

    .pd-info__summary-body {
        font-size: var(--fs-xs);
        line-height: 1.65;
    }

    .pd-info__actions {
        gap: 10px;
    }

    .pd-btn {
        flex: 0 1 auto;
        min-height: 36px;
        padding: 7px 14px;
        font-size: 11px;
    }

    .pd-content {
        padding-top: 24px;
    }

    .pd-content__sections {
        gap: 24px;
    }

    .pd-content__section-title {
        font-size: 16px;
        margin-bottom: 12px;
        padding-bottom: 8px;
    }

    .pd-content__section-body,
    .pd-content__body {
        font-size: var(--fs-xs);
        line-height: 1.7;
    }

    .pd-specs__row {
        grid-template-columns: minmax(0, 1fr);
        gap: 6px;
    }

    .pd-pager {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
        margin-top: 28px;
        padding-top: 24px;
    }

    .pd-pager__item {
        padding: 14px 16px;
    }

    .pd-pager__item--next {
        text-align: left;
        align-items: flex-start;
    }

    .pd-related {
        padding: var(--section-py) 0;
    }

    .pd-related__head {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 20px;
    }

    .pd-related__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: var(--grid-gap-lg);
    }

    .pd-related__grid .pl-card {
        min-width: 0;
    }

    .pd-related__grid .pl-card__body {
        padding: 10px 8px 12px;
    }

    .pd-related__grid .pl-card__media img {
        padding: 8px;
    }

    .pd-related__grid .pl-card__title {
        font-size: 11px;
        line-height: 1.3;
        -webkit-line-clamp: 2;
    }

    .pd-related__grid .pl-card__desc {
        font-size: 10px;
        line-height: 1.45;
        -webkit-line-clamp: 2;
    }

    .pd-table-scroll table {
        font-size: 11px;
        line-height: 1.45;
    }

    .pd-table-scroll th,
    .pd-table-scroll td {
        padding: 6px 8px !important;
    }
}