:root {
    /* custom properties */

    --chalk: #F6F4F1;
    --clay:  #E88B63;
    --board: #0E0C09;
}

@media (pointer: fine), (pointer: none) {
    :root {
        font-size: 18px;
    }

    main {
        min-width: 30em;
        max-width: 50em;
    }
}

@media (pointer: coarse), (pointer: fine) and (any-pointer: coarse) {
    :root {
        font-size: 36px;
    }
}

@media (prefers-color-scheme: dark) {
    body {
        color: var(--chalk);
        background: var(--board);
    }
    body.light {
        color: var(--board);
        background: var(--chalk);
    }
}

@media (prefers-color-scheme: light) {
    body {
        color: var(--board);
        background: var(--chalk);
    }

    body.dark {
        color: var(--chalk);
        background: var(--board);
    }
}

/* layout */
body {
    display: flex;
    align-items: center;
    justify-content: center;
}

main {
    margin: 1em;
    padding: 1em;
}

header {
    display: grid;
}

header h1 {
    grid-column: 1;
    margin: 0;
}

header nav {
    grid-column: 2;
    margin: 1em 0 0 0;
    padding: 0;
    text-align: right;
    text-transform: uppercase;
}

article {
    margin-bottom: 4em;
}

/* typography */

h1, h2, h3, :link {
    font-family: "josefin-sans", sans-serif;
    font-weight: 400;
    font-style: normal;
}

h4, h5, h6, dt {
    font-family: "lato", sans-serif;
    font-weight: 400;
    font-style: normal;
}

p, dd, li, ol {
    font-family: "lato", sans-serif;
    font-weight: 300;
    font-style: normal;
    text-align: justify;
}

em {
    font-family: "josefin-sans", sans-serif;
    font-weight: 300;
    font-style: italic;
}

li, ol {
    list-style: circle;
    margin-right: 3em;
}

dl {
    padding: 1em;
    border: thin solid;
    border-color: var(--clay);
    border-radius: 1em;
}

dt, dd {
    margin: 0 0 1em 0;
}


.katex-html {
    display: none;
}

footer {
    font-family: "lato", sans-serif;
    font-weight: 200;
    font-style: normal;
}


/* links */

:link {
    color: var(--clay);
    text-decoration: none;
    position: relative;
}

:link::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    border-radius: 2px;
    background-color: var(--clay);
    bottom: 0;
    left: 0;
    transform-origin: right;
    transform: scaleX(0);
    transition: transform .3s ease-in-out;
}

:link:hover::before {
    transform-origin: left;
    transform: scaleX(1);
}

:visited {
    color: var(--clay);
    font-weight: 200;
}

/* hidden content */

.bots {
    visibility: hidden;
}