body {
    font-family: system-ui, -apple-system, sans-serif;
    display: flex;
    height: 100vh;
    justify-content: center;
    align-items: center;
    margin: 0;
    background-color: #0f172a;
    color: #f8fafc;
}
h1 {
    font-size: 2rem;
    font-weight: 600;
}