body {
    margin: 0;
    padding: 2rem;
    font-family: sans-serif;
    line-height: 1.8;
    color: #333;
    background-color: #fff;
}

main {
    max-width: 800px;
    margin: 0 auto;
}

h1 {
    margin-bottom: 2rem;
    border-bottom: 2px solid #333;
    padding-bottom: .5rem;
}

section {
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.3rem;
    margin-top: 0;
    margin-bottom: 0.8rem;
    color: #222;
}

ul {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
}

li {
    margin-bottom: 0.5rem;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.date {
    text-align: right;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: #666;
}

@media (prefers-color-scheme: dark) {
    body {
        background: #1b1b1b;
        color: #f2f2f2;
    }

    h1 {
        border-color: #f2f2f2;
    }

    h2 {
        color: #fff;
    }

    a {
        color: #6cd6ff;
    }

    .date {
        color: #999;
    }
}