html, body {
    font-family: system-ui, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.page {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #20232a;
    color: #fff;
    padding: 1rem;
}

.content {
    padding: 1rem;
}