body {
    margin: 0;
    font-family: sans-serif;
    display: flex;
}
.sidebar {
    background: #f0f0f0;
    padding: 20px;
    height: 100vh;
    box-sizing: border-box;
}
.sidebar h2 {
    width: 180px;
    margin-top: 0;
}
.sidebar ul {
    list-style: none;
    padding: 0;
}
.sidebar ul li {
    margin: 10px 0;
    cursor: pointer;
    color: #007acc;
}
.sidebar ul li:hover {
    text-decoration: underline;
}
.content {
    flex-grow: 1;
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    box-sizing: border-box;
}
.product-card {
    border: 1px solid #ccc;
    border-radius: 8px;
    padding: 10px;
    background: #fff;
}
.product-card h3 {
    margin-top: 0;
}
.product-card pre {
    font-size: 12px;
    white-space: pre-wrap;
}