#layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    height: 100vh;
}

#sidebar {
    background: #1a1a2e;
    color: white;
    padding: 2rem;
}

#main-content {
    background: #f4f7f6;
    overflow-y: auto;
    padding: 2rem;
}

.site-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}