.product-image-placeholder {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    position: relative;
}

.product-image-placeholder::after {
    content: 'تصویر موجود نیست';
    color: #666;
    font-size: 14px;
}

.store-logo-placeholder {
    background-color: #f5f5f5;
    border: 1px solid #ddd;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    position: relative;
}

.store-logo-placeholder::after {
    content: '🏪';
    font-size: 16px;
}

.store-logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    margin-right: 8px;
}

.main-product-image {
    max-width: 100%;
    height: auto;
}

.thumbnail-image {
    width: 60px;
    height: 60px;
    object-fit: cover;
    margin: 4px;
    cursor: pointer;
    border: 2px solid transparent;
}

.thumbnail-image.active {
    border-color: #007bff;
}