/**
 * Milemon - Single Product Page Styles
 * Product detail page layout and components
 */

/* ============================================
 * SINGLE PRODUCT CONTAINER
 * ============================================ */

.woocommerce.single-product {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.single-product .woocommerce-message {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
 * PRODUCT MAIN LAYOUT
 * ============================================ */

.single-product div.product {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    position: relative;
}

.single-product .product-gallery-wrapper {
    position: sticky;
    top: calc(var(--header-height) + var(--spacing-lg));
    align-self: start;
}

.single-product .product-info-wrapper {
    padding: 0;
}

/* ============================================
 * PRODUCT TITLE
 * ============================================ */

.single-product .product_title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-tight);
}

/* ============================================
 * PRODUCT META (SKU, etc)
 * ============================================ */

.single-product .product_meta {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: var(--border-width) solid var(--color-border);
}

.single-product .product_meta .sku_wrapper,
.single-product .product_meta .posted_in,
.single-product .product_meta .tagged_as {
    display: block;
    margin-bottom: var(--spacing-xs);
}

.single-product .product_meta .sku_wrapper span,
.single-product .product_meta .posted_in a,
.single-product .product_meta .tagged_as a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
}

.single-product .product_meta .sku_wrapper span:hover,
.single-product .product_meta .posted_in a:hover,
.single-product .product_meta .tagged_as a:hover {
    text-decoration: underline;
}

/* ============================================
 * PRODUCT PRICE
 * ============================================ */

.single-product p.price {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.single-product p.price del {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-normal);
    margin-right: var(--spacing-sm);
}

.single-product p.price ins {
    background: none;
    color: var(--color-primary);
}

/* Price label for B2B */
.single-product .price-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-xs);
}

/* ============================================
 * PRODUCT DESCRIPTION
 * ============================================ */

.single-product .woocommerce-product-details__short-description {
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.single-product .woocommerce-product-details__short-description p {
    margin-bottom: var(--spacing-md);
}

/* ============================================
 * VARIATION SELECTS
 * ============================================ */

.single-product .variations_form {
    margin-bottom: var(--spacing-lg);
}

.single-product .variations {
    width: 100%;
    margin-bottom: var(--spacing-md);
}

.single-product .variations tr {
    display: block;
    margin-bottom: var(--spacing-md);
}

.single-product .variations td {
    display: block;
    padding: var(--spacing-sm) 0;
}

.single-product .variations td.label {
    font-weight: var(--font-weight-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.single-product .variations select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.single-product .variations select:hover,
.single-product .variations select:focus {
    border-color: var(--color-primary);
    outline: none;
}

.single-product .single_variation_wrap {
    margin-top: var(--spacing-md);
}

/* ============================================
 * ADD TO CART FORM
 * ============================================ */

.single-product .cart {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    align-items: flex-end;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg);
    background: var(--color-surface);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-lg);
}

/* Quantity Input */
.single-product .quantity {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.single-product .quantity .qty {
    width: 80px;
    height: 48px;
    padding: var(--spacing-sm);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: var(--font-size-lg);
    text-align: center;
    -moz-appearance: textfield;
}

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

.single-product .quantity .qty:focus {
    outline: none;
    border-color: var(--color-primary);
}

/* Add to Cart Button */
.single-product .cart .button {
    flex: 1;
    min-width: 200px;
    height: 48px;
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    text-decoration: none;
}

.single-product .cart .button:hover {
    background: var(--color-primary-light);
}

.single-product .cart .button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.single-product .cart .button.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Add to Cart success state */
.single-product .cart .button.added {
    background: var(--color-success);
}

/* ============================================
 * GET QUOTE BUTTON - B2B Feature
 * ============================================ */

.single-product .get-quote-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 48px;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-xl);
    background: var(--color-secondary);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.single-product .get-quote-button:hover {
    background: var(--color-secondary-light);
    color: var(--color-text-inverse);
}

/* ============================================
 * PRODUCT TABS
 * ============================================ */

.single-product .woocommerce-tabs {
    margin-top: var(--spacing-2xl);
}

.single-product .woocommerce-tabs ul.tabs {
    display: flex;
    gap: var(--spacing-xs);
    list-style: none;
    margin: 0 0 var(--spacing-lg);
    padding: 0;
    border-bottom: var(--border-width) solid var(--color-border);
}

.single-product .woocommerce-tabs ul.tabs li {
    margin: 0;
    padding: 0;
}

.single-product .woocommerce-tabs ul.tabs li a {
    display: block;
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    text-decoration: none;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
}

.single-product .woocommerce-tabs ul.tabs li a:hover {
    color: var(--color-primary);
}

.single-product .woocommerce-tabs ul.tabs li.active a {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.single-product .woocommerce-tabs .panel {
    padding: var(--spacing-lg) 0;
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.single-product .woocommerce-tabs .panel h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

/* ============================================
 * RELATED PRODUCTS
 * ============================================ */

.single-product .related-products,
.single-product .upsells {
    margin-top: var(--spacing-3xl);
}

.single-product .related-products h2,
.single-product .upsells h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.single-product .related-products ul.products,
.single-product .upsells ul.products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

/* ============================================
 * RESPONSIVE - TABLET
 * ============================================ */

@media (max-width: 1024px) {
    .single-product div.product {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .single-product .product-gallery-wrapper {
        position: static;
    }

    .single-product .related-products ul.products,
    .single-product .upsells ul.products {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
 * RESPONSIVE - MOBILE
 * ============================================ */

@media (max-width: 768px) {
    .single-product .product_title {
        font-size: var(--font-size-2xl);
    }

    .single-product p.price {
        font-size: var(--font-size-xl);
    }

    .single-product .cart {
        flex-direction: column;
        padding: var(--spacing-md);
    }

    .single-product .cart .button {
        width: 100%;
    }

    .single-product .woocommerce-tabs ul.tabs {
        flex-wrap: wrap;
    }

    .single-product .woocommerce-tabs ul.tabs li {
        width: 100%;
    }

    .single-product .woocommerce-tabs ul.tabs li a {
        border-bottom: var(--border-width) solid var(--color-border);
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .single-product .woocommerce-tabs ul.tabs li.active a {
        border-bottom-width: 2px;
    }

    .single-product .related-products ul.products,
    .single-product .upsells ul.products {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .single-product .related-products ul.products,
    .single-product .upsells ul.products {
        grid-template-columns: 1fr;
    }
}