<style>
.loading-spinner {
    text-align: center;
    padding: 20px;
    color: #666;
    font-style: italic;
}

.product-placeholder {
    min-height: 400px;
    background: #f8f8f8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.error-message {
    background: #ffe6e6;
    color: #d63031;
    padding: 15px;
    border-radius: 5px;
    text-align: center;
    margin: 10px 0;
}
</style>