* {
    box-sizing: border-box;
    margin: 0;
}

:root {
    font-family: system-ui;
    font-size: 1rem;
    --user-font-scale: 1rem - 16px;
    font-size: clamp(0.875rem, 0.4626rem + 1.0309vw + var(--user-font-scale), 1.125rem);
}

body {
    padding: 4rem 2rem;
    width: 100vw;
    min-height: 100vh;
    display: grid;
    justify-content: center;
    background: #F9FAFB;
    color: #111827;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #111827;
        color: #fff;
    }
}