/* ===== PRODUCT PAGE ===== */

/* Breadcrumbs */
.breadcrumbs {
    padding: 1rem 0;
    background: var(--bg-light);
    font-size: 0.9rem;
}

.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumbs-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumbs-list li:not(:last-child)::after {
    content: "→";
    color: var(--text-light);
}

.breadcrumbs-list a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

.breadcrumbs-list a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumbs-list li:last-child {
    color: var(--text-light);
}

/* Product Section */
.product-section {
    padding: 3rem 0;
}

.product-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

/* Product Gallery */
.product-gallery {
    position: sticky;
    top: 2rem;
}

.product-main-image {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 2rem;
}

.product-thumbnails {
    display: flex;
    gap: 1rem;
}

.product-thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all 0.2s ease;
    background: var(--bg-light);
}

.product-thumbnail:hover,
.product-thumbnail.active {
    border-color: var(--primary-color);
}

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

/* Product Info */
.product-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.product-brand {
    font-size: 0.9rem;
    color: var(--text-light);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-dark);
    line-height: 1.2;
    margin: 0;
}

.product-price-block {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
}

.product-prices {
    margin-bottom: 1rem;
}

.product-price-main {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.product-price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.product-price-secondary {
    font-size: 1.25rem;
    color: var(--text-light);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.product-price-pack {
    font-size: 1.5rem;
    font-weight: 700;
    color: #059669;
}

.product-pack-note {
    margin-top: 0.75rem;
    padding: 0.5rem 0.75rem;
    background: #fef3c7;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #92400e;
}

/* Unit Selector */
.unit-selector {
    margin-top: 1rem;
    position: relative;
}

.unit-selector-label {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.unit-selector-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.75rem 1rem;
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    transition: all 0.2s ease;
}

.unit-selector-btn:hover {
    border-color: var(--primary-color);
}

.unit-selector-btn.active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(14, 165, 233, 0.1);
}

.unit-selector-btn svg {
    width: 20px;
    height: 20px;
    transition: transform 0.2s ease;
}

.unit-selector-btn.active svg {
    transform: rotate(180deg);
}

.unit-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border: 2px solid var(--primary-color);
    border-radius: 8px;
    margin-top: 4px;
    z-index: 100;
    display: none;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.unit-dropdown.show {
    display: block;
}

.unit-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 1rem;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.unit-option:last-child {
    border-bottom: none;
}

.unit-option:hover {
    background: var(--bg-light);
}

.unit-option.selected {
    background: #e0f2fe;
}

.unit-option-name {
    font-weight: 600;
    color: var(--text-dark);
}

.unit-option-price {
    font-weight: 700;
    color: var(--primary-color);
}

.product-pack-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-dark);
    font-weight: 500;
}

.product-pack-info svg {
    width: 20px;
    height: 20px;
    color: var(--primary-color);
}

/* Product Actions */
.product-actions {
    display: flex;
    gap: 1rem;
}

.product-actions .btn-primary,
.product-actions .btn-secondary {
    flex: 1;
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Product Short Specs */
.product-short-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.short-spec-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.short-spec-item strong {
    font-size: 0.8rem;
    color: var(--text-light);
    font-weight: 600;
    text-transform: uppercase;
}

.short-spec-item span {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 600;
}

/* Product Description Section */
.product-description-section {
    padding: 4rem 0;
    background: var(--bg-light);
}

.product-description-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
}

.product-description h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.product-description p {
    font-size: 1rem;
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

/* Product Features */
.product-features {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
}

.product-features h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.product-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.product-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    line-height: 1.4;
    color: var(--text-color);
}

.product-features li::before {
    content: "✓";
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* Product Specifications Table */
.product-specs-section {
    padding: 4rem 0;
}

.product-specs-section h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table tr:nth-child(even) {
    background: var(--bg-light);
}

.specs-table td {
    padding: 1rem 1.5rem;
    font-size: 0.95rem;
}

.specs-table td:first-child {
    font-weight: 600;
    color: var(--text-light);
    width: 40%;
}

.specs-table td:last-child {
    color: var(--text-dark);
    font-weight: 500;
}

/* Product Applications */
.product-applications {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.product-applications h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.application-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
}

.application-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.application-item svg {
    width: 40px;
    height: 40px;
    color: var(--primary-color);
}

.application-item span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
}

/* Related Products */
.related-products {
    padding: 4rem 0;
}

.related-products h2 {
    font-size: 1.75rem;
    font-weight: 800;
    margin-bottom: 2rem;
    color: var(--text-dark);
    text-align: center;
}

/* Responsive */
@media (max-width: 968px) {
    .product-layout {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-gallery {
        position: static;
    }

    .product-description-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .product-title {
        font-size: 1.5rem;
    }

    .product-price {
        font-size: 2rem;
    }
}

@media (max-width: 640px) {
    .product-section {
        padding: 2rem 0;
    }

    .product-main-image {
        aspect-ratio: 4/3;
    }

    .product-main-image img {
        padding: 1rem;
    }

    .product-thumbnails {
        gap: 0.5rem;
    }

    .product-thumbnail {
        width: 60px;
        height: 60px;
    }

    .product-actions {
        flex-direction: column;
    }

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

    .product-description-section,
    .product-specs-section,
    .product-applications {
        padding: 2rem 0;
    }

    .product-features {
        padding: 1.5rem;
    }

    .specs-table td {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .specs-table td:first-child {
        width: 50%;
    }

    .applications-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .application-item {
        padding: 1rem;
    }

    .application-item svg {
        width: 32px;
        height: 32px;
    }

    .application-item span {
        font-size: 0.8rem;
    }
}