/*
 * ==========================================================================
 * STOREFRONT PRODUCT STYLES
 * ==========================================================================
 * Product card (grid listing) and product detail page styles.
 * Split from storefront.css for maintainability.
 * ==========================================================================
 */

/* --- Product Card --- */
.product-card {
    display: block;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.product-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
    transform: translateY(-3px);
}

.product-card:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.product-card__image-wrap {
    position: relative;
    padding: 1.5rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    aspect-ratio: 1 / 1;
}

.product-card__image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.product-card__image img {
    max-width: 70%;
    max-height: 70%;
    object-fit: contain;
    transition: transform var(--transition-base);
}

@media (max-width: 768px) {
    .product-card__image img {
        max-width: 65%;
        max-height: 65%;
    }
}

.product-card:hover .product-card__image img {
    transform: scale(1.04);
}

.product-card__image-placeholder svg {
    width: 5rem;
    height: 5rem;
    color: var(--border);
    opacity: 0.4;
}

.product-card__stock-badge {
    position: absolute;
    top: 0.625rem;
    right: 0.625rem;
    padding: 0.1875rem 0.5rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    border: 1px solid;
    line-height: 1.3;
    text-transform: uppercase;
    letter-spacing: 0.01em;
}

@media (max-width: 768px) {
    .product-card__stock-badge {
        top: 0.5rem;
        right: 0.5rem;
        font-size: 0.5625rem;
        padding: 0.125rem 0.375rem;
    }
}

.product-card__stock-badge--in-stock {
    color: var(--status-success);
    border-color: var(--status-success);
    background: var(--status-success-light);
}

.product-card__stock-badge--low-stock {
    color: var(--status-warning);
    border-color: var(--status-warning);
    background: var(--status-warning-light);
}

.product-card__stock-badge--out-of-stock {
    color: var(--status-error);
    border-color: var(--status-error);
    background: var(--status-error-light);
}

/* Dim out-of-stock cards (template uses badge-error class) */
.product-card:has(.badge-error) .product-card__image img {
    opacity: 0.55;
    filter: saturate(0.6);
}

.product-card:has(.badge-error):hover .product-card__image img {
    opacity: 0.75;
    filter: saturate(0.85);
}

.product-card__info {
    padding: 0.875rem 1rem 1rem;
    text-align: center;
}

.product-card__brand {
    display: block;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.product-card__name {
    margin: 0 0 0.125rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.3;
}

.product-card__capacity {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.product-card__price {
    display: block;
    font-size: 0.8125rem;
    font-weight: 400;
    color: var(--text-secondary);
}

.product-card__price strong {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

/* Mobile card refinements */
@media (max-width: 768px) {
    .product-card__info {
        padding: 0.625rem 0.625rem 0.875rem;
    }

    .product-card__name {
        font-size: 0.8125rem;
    }

    .product-card__price strong {
        font-size: 0.875rem;
    }

    .product-card__brand {
        font-size: 0.5625rem;
    }

    .product-card__capacity {
        font-size: 0.6875rem;
        margin-bottom: 0.375rem;
    }
}

/* --- Product Detail --- */
.product-detail {
    padding: 1.25rem 0 2rem;
}

.product-detail__back {
    margin-bottom: 1.25rem;
}

.product-detail__back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: color var(--transition-fast);
}

.product-detail__back-link:hover {
    color: var(--accent-primary);
}

.product-detail__back-link svg {
    width: 1rem;
    height: 1rem;
}

.product-detail__layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 768px) {
    .product-detail__layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

.product-detail__image-col {
    /* Left column container */
}

.product-detail__info-col {
    /* Right column container */
}

.product-detail__image {
    border-radius: var(--radius-lg);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.10);
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 25rem;
    position: sticky;
    top: 5rem;
}

@media (max-width: 768px) {
    .product-detail__image {
        position: static;
        min-height: 17.5rem;
        padding: 2rem;
    }
}

.product-detail__image img {
    max-width: 100%;
    max-height: 21.25rem;
    object-fit: contain;
}

.product-detail__image-placeholder svg {
    width: 7.5rem;
    height: 7.5rem;
    color: var(--border);
}

.product-detail__name {
    margin: 0 0 0.125rem;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.2;
}

.product-detail__brand {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.product-detail__price-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.25rem;
}

.product-detail__price {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.product-detail__stock-badge {
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    border: 1px solid;
}

.product-detail__stock-badge--in-stock {
    color: var(--status-success);
    border-color: var(--status-success);
    background: var(--status-success-light);
}

.product-detail__stock-badge--low-stock {
    color: var(--status-warning);
    border-color: var(--status-warning);
    background: var(--status-warning-light);
}

.product-detail__stock-badge--out-of-stock {
    color: var(--status-error);
    border-color: var(--status-error);
    background: var(--status-error-light);
}

.product-detail__sku {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.product-detail__option {
    margin-bottom: 1.25rem;
}

.product-detail__option-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.product-detail__option-label span {
    color: var(--text-primary);
    text-transform: none;
    letter-spacing: normal;
}

.product-detail__color-swatches {
    display: flex;
    gap: 0.5rem;
}

.product-detail__color-swatch {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    border: 2px solid transparent;
    box-shadow: 0 0 0 1px var(--border);
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
    padding: 0;
}

.product-detail__color-swatch:hover {
    border-color: var(--text-muted);
}

.product-detail__color-swatch:focus-visible {
    box-shadow: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--accent-primary);
}

.product-detail__color-swatch--active {
    border-color: var(--sf-color-primary);
    box-shadow: 0 0 0 2px var(--bg-card), 0 0 0 4px var(--sf-color-primary);
}

.product-detail__capacity-btns {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.product-detail__capacity-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 0.875rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.product-detail__capacity-btn:hover {
    border-color: var(--text-primary);
}

.product-detail__capacity-btn--active {
    background: var(--sf-color-primary);
    color: var(--text-inverse);
    border-color: var(--sf-color-primary);
}

.product-detail__capacity-btn--active:hover {
    background: var(--sf-color-primary-hover);
    border-color: var(--sf-color-primary-hover);
}

.product-detail__pickup-box {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 1rem;
}

.product-detail__pickup-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    margin-bottom: 0.75rem;
    background: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
}

.product-detail__pickup-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 15%, transparent);
}

.product-detail__pickup-status {
    /* container for stock indicator at pickup location */
}

.product-detail__stock-indicator {
    font-size: 0.8125rem;
    font-weight: 500;
}

.product-detail__stock-indicator--in-stock { color: var(--status-success); }
.product-detail__stock-indicator--low-stock { color: var(--status-warning); }
.product-detail__stock-indicator--out-of-stock { color: var(--status-error); }

.product-detail__cart-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.5rem 0;
}

.product-detail__quantity {
    display: flex;
    align-items: center;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.product-detail__qty-btn {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-primary);
    transition: background var(--transition-fast);
}

.product-detail__qty-btn:hover:not(:disabled) {
    background: var(--bg-base);
}

.product-detail__qty-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.product-detail__qty-value {
    width: 2.25rem;
    text-align: center;
    font-weight: 600;
    font-size: 0.875rem;
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    line-height: 2.25rem;
}

.product-detail__add-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    background: var(--sf-color-primary);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
}

.product-detail__add-btn:hover:not(.product-detail__add-btn--disabled) {
    background: var(--sf-color-primary-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.product-detail__add-btn:active:not(.product-detail__add-btn--disabled) {
    transform: translateY(0);
    box-shadow: none;
}

.product-detail__add-btn:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.product-detail__add-btn--disabled {
    background: var(--border);
    cursor: not-allowed;
    color: var(--text-muted);
}

/* --- Accordion (Product Detail) --- */
.product-detail__accordion {
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
}

.product-detail__accordion-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.875rem 1rem;
    cursor: pointer;
    list-style: none;
    transition: background var(--transition-fast);
}

.product-detail__accordion-header:hover {
    background: var(--bg-base);
}

.product-detail__accordion-header::-webkit-details-marker {
    display: none;
}

.product-detail__accordion-title {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-detail__accordion-label {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
}

.product-detail__accordion-preview {
    font-size: 0.875rem;
    font-weight: 500;
}

.product-detail__accordion-chevron {
    display: flex;
    align-items: center;
}

.product-detail__accordion-chevron svg {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition-fast);
    color: var(--text-muted);
}

details[open] .product-detail__accordion-chevron svg {
    transform: rotate(180deg);
}

.product-detail__accordion-body {
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--border);
    padding-top: 1rem;
}

.product-detail__installment-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.product-detail__installment-label {
    color: var(--text-secondary);
}

.product-detail__installment-value {
    font-weight: 600;
}

.product-detail__installment-options {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.product-detail__installment-opt {
    padding: 0.375rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 0.8125rem;
    font-family: inherit;
    transition: all var(--transition-fast);
}

.product-detail__installment-opt:hover:not(.product-detail__installment-opt--active) {
    border-color: var(--text-primary);
}

.product-detail__installment-opt--active {
    background: var(--sf-color-primary);
    color: var(--text-inverse);
    border-color: var(--sf-color-primary);
}

.product-detail__installment-select {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-family: inherit;
    margin-bottom: 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
}

.product-detail__installment-select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent-primary) 15%, transparent);
}

.product-detail__installment-note {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0;
}

.product-detail__no-promo {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.875rem;
    margin: 0;
}

.product-detail__description {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border);
}

.product-detail__description p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.9375rem;
    margin: 0;
}