:root {
    color-scheme: light dark;
    --text: light-dark(black, lightgray);
    --text2: gray;
    --bg: light-dark(rgb(244, 246, 255), rgb(14, 17, 23));
    --bg2: light-dark(rgba(18, 57, 98, 0.05), rgba(205, 209, 236, 0.05));
    --bg3: light-dark(rgba(0, 37, 147, 0.1), rgba(152, 153, 217, 0.1));
}

html {
    max-width: 80ch;
    margin-inline: auto;
    margin-block: 20px 100px;
    padding-inline: 20px;
    font-family: Inter, Roboto, 'Helvetica Neue', 'Arial Nova', 'Nimbus Sans', Arial, sans-serif;
}

body {
    background-color: var(--bg);
    color: var(--text);
    margin: 0;
    padding: 0;
}

header h1 sup {
    font-size: .5em;
    font-weight: normal;
}

h2 {
    font-size: 1.1em;
    padding-top: 1.1em;
    font-weight: normal;
    border-bottom: 1px solid var(--bg3);
}

ul {
    list-style-type: none;
    padding: 0;
}

li a {
    display: list-item;
    text-decoration: none;
    margin-bottom: 10px;
    background-color: var(--bg2);
    padding: .5em .7em;
    border-radius: 10px;

    & .entry-sub {
        opacity: 0.7;
        font-size: 0.8em;
    }

    &:hover {
        background-color: var(--bg3);
    }
}


a {
    color: var(--text);

    &:visited .title {
        color: var(--text2);
    }

    &:hover .title {
        text-decoration: underline;
    }
}