:root {
    --fg: #14213d;
    --bg: #ffffff;
    --accent: #0057b8;
}

@media (prefers-color-scheme: dark) {
    :root {
        --fg: #e8e8e8;
        --bg: #14213d;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--fg);
    background: var(--bg);
}

main {
    max-width: 42rem;
    margin-inline: auto;
    padding: 2rem 1rem;
}

a {
    color: var(--accent);
}

a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}