styles.css

@import url("https://fonts.googleapis.com/css2?family=Nanum+Myeongjo&display=swap");

body {
    font-family: "Nanum Myeongjo", serif;
    line-height: 1.7;
    max-width: 700px;
    margin: 40px auto;
    padding: 0 16px;
    background-color: hsl(0, 0%, 98%);
    color: hsl(0, 0%, 13%);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1 {
    font-size: 2.2rem;
    margin-bottom: 16px;
    color: hsl(220, 60%, 30%);
}

a {
    color: hsl(220, 80%, 45%);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: hsl(220, 80%, 35%);
}

a:visited {
    color: hsl(290, 60%, 40%);
}

header {
    text-align: center;
    margin-bottom: 24px;
}

header nav a {
    margin: 0 8px;
    font-size: 0.9rem;
}

.postlist {
    list-style: none;
    padding: 0;
    margin: 24px 0;
}

.postlist li {
    margin-bottom: 16px;
}

footer {
    margin-top: 40px;
    text-align: center;
    font-size: 0.9rem;
    color: hsl(0, 0%, 40%);
}

footer a {
    color: hsl(220, 80%, 45%);
}

footer a:hover {
    color: hsl(220, 80%, 35%);
}

@media (prefers-color-scheme: dark) {
    body {
        background-color: hsl(240, 20%, 10%);
        color: hsl(0, 0%, 90%);
    }

    h1 {
        color: hsl(220, 60%, 70%);
    }

    a {
        color: hsl(220, 80%, 75%);
    }

    a:visited {
        color: hsl(290, 60%, 70%);
    }

    footer {
        color: hsl(0, 0%, 60%);
    }
}