.product-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    padding: 32px 0;
}

.product-gallery-main {
    aspect-ratio: 1;
    background: var(--woiso-muted-surface);
    border-radius: var(--woiso-radius-lg);
    overflow: hidden;
    border: 1px solid var(--woiso-border);
}

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

.product-gallery-thumbs {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    overflow-x: auto;
}

.product-gallery-thumb {
    width: 72px;
    height: 72px;
    border-radius: var(--woiso-radius);
    overflow: hidden;
    border: 2px solid transparent;
    cursor: pointer;
    flex-shrink: 0;
}

.product-gallery-thumb.is-active,
.product-gallery-thumb:hover {
    border-color: var(--woiso-primary);
}

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

.product-info h1 {
    margin: 0 0 12px;
    font-size: 1.75rem;
    line-height: 1.2;
}

.product-info-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 20px;
    font-size: 0.875rem;
    color: var(--woiso-text-secondary);
}

.product-info-price {
    margin-bottom: 24px;
}

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

.product-quantity {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.product-quantity input {
    width: 80px;
    text-align: center;
}

.product-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
}

.product-actions .woiso-btn {
    flex: 1;
}

.product-supplier-card {
    padding: 20px;
    background: var(--woiso-surface);
    border: 1px solid var(--woiso-border);
    border-radius: var(--woiso-radius-lg);
    margin-bottom: 32px;
}

.product-tabs {
    margin-top: 48px;
}

.product-tab-nav {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--woiso-border);
    margin-bottom: 24px;
}

.product-tab-nav button {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
    color: var(--woiso-text-secondary);
}

.product-tab-nav button.is-active {
    color: var(--woiso-primary);
    border-bottom-color: var(--woiso-primary);
}

.product-tab-panel {
    display: none;
    line-height: 1.75;
    color: var(--woiso-text-secondary);
}

.product-tab-panel.is-active {
    display: block;
}