:root {
    --background-color-light: white;
    --background-color-dark: #161513;

    --card-background-color-light: 255, 255, 255;
    --card-background-color-dark: 20, 20, 20;

    --text-color-light: #241e1a;
    --text-color-light-secondary: #afafba;
    --text-color-dark: #eef;
    --text-color-dark-secondary: #afafba;

    --border-color-light: #ddd;
    --border-color-dark: #23252e;

    --link-color-light: #736e5e;
    --link-color-visited-light: #918c7a;
    --link-color-dark: #cdc6b4;
    --link-color-visited-dark: #e1ddcf;

    --code-background-color-light: #eee;
    --code-background-color-dark: #212121;

    --body-font-size: 12pt;
    --caption-font-size: 10pt;
    --code-font-size: 10pt;
    --footnote-font-size: 10pt;
}

@font-face {
    font-family: 'Varta-Regular';
    src: url('../fonts/Varta-Regular.woff2') format('woff2');
}

@font-face {
    font-family: 'Besley';
    src: url('../fonts/Besley-BookItalic.woff2') format('woff2');
    text-rendering: optimizeLegibility;
}

html {
    font-size: var(--body-font-size);
    min-height: 100%;
}

body {
    color: var(--text-color-light);
    background-color: var(--background-color-light);
    background-repeat: no-repeat;
    background-attachment: local;
    font-family: "Varta-Regular", sans-serif;
    margin-top: 0;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    max-width: 800px;
    padding: 1em;
    line-height: 1.5;
}

@media (prefers-color-scheme: dark) {
    body{
        color: var(--text-color-dark);
        background-color: var(--background-color-dark);
    }
}

a {
    color: var(--link-color-light);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:visited, a:hover {
    color: var(--link-color-visited-light);
}

@media (prefers-color-scheme: dark) {
    a {
        color:  var(--link-color-dark);
    }

    a:visited, a:hover {
        color: var(--link-color-visited-dark);
    }
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Besley", serif;
    font-weight: normal;
    position: relative;
}

h3::before,
h4::before,
h5::before,
h6::before {
    content: "";
    position: absolute;
    width: 10px;
    height: 100%;
    left: -20px;
    background-image: url("../images/icons/h3.svg");
    background-position: center;
    background-repeat: no-repeat;
}

h4::before,
h5::before,
h6::before {
    background-image: url("../images/icons/h4.svg");
}

h1 {
    align-self: end;
    font-size: 20pt;
    line-height: 1em;
    margin: 0px;
}

@media (prefers-color-scheme: dark) {
    h3::before,
    h4::before,
    h5::before,
    h6::before {
        filter: invert();
    }
}

p {
    font-family: "Varta-Regular", sans-serif;
    align-self: start;
    margin: 0px;
    color: var(--text-color-light);
}

li {
    font-family: "Varta-Regular", sans-serif;
    color: var(--text-color-light);
}

.secondary {
    color: var(--text-color-light-secondary);
}

@media (prefers-color-scheme: dark) {
    p {
        color: var(--text-color-dark);
    }

    p.secondary {
        color: var(--text-color-dark-secondary);
    }

    li {
        color: var(--text-color-dark);
    }
}

li {
    font-family: "Varta-Regular", sans-serif;
}

pre {
    background-color: var(--code-background-color-light);
    border: 1px solid var(--border-color-light);
    font-size: var(--code-font-size);
    padding: 8px 1em 8px 1em;
    overflow-x: scroll;
}

@media (prefers-color-scheme: dark) {
    pre {
        background-color: var(--code-background-color-dark);
        border: 1px solid var(--border-color-dark);
    }
}

code {
    font-size: var(--code-font-size);
    background-color: var(--code-background-color-light);
    border: 1px solid var(--border-color-light);
    padding: 0 2px 0 2px;
}

@media (prefers-color-scheme: dark) {
    code {
        background-color: var(--code-background-color-dark);
        border: 1px solid var(--border-color-dark);
    }
}

img {
    border: 1px solid var(--border-color-light);
}

@media (prefers-color-scheme: dark) {
    img {
        border: 1px solid var(--border-color-dark);
    }
}