/*
Adapted from https://github.com/edwardtufte/tufte-css
*/

:root {
    --section-width: 55%;

    --font-serif:
        et-book, Palatino, "Palatino Linotype", "Palatino LT STD",
        "Book Antiqua", Georgia, serif;
    --font-num:
        et-book-num, et-book, Palatino, "Palatino Linotype", "Palatino LT STD",
        "Book Antiqua", Georgia, serif;
    --font-mono: Consolas, "Liberation Mono", Menlo, Courier, monospace;
}

html {
    font-size: 15px;
}

body {
    width: 87.5%;
    max-width: 1400px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 12.5%;

    font-family: var(--font-serif);
    background-color: var(--bg-color, #151515);
    color: var(--text-color, #ddd);

    scroll-behavior: smooth;
    counter-reset: sidenote-counter;
}

h1 {
    font-weight: 400;
    margin-top: 4rem;
    margin-bottom: 1.5rem;
    font-size: 3.2rem;
    line-height: 1;
}

h2 {
    font-style: italic;
    font-weight: 400;
    margin-top: 2.1rem;
    margin-bottom: 1.4rem;
    font-size: 2.2rem;
    line-height: 1;
}

h3 {
    font-style: italic;
    font-weight: 400;
    font-size: 1.7rem;
    margin-top: 2rem;
    margin-bottom: 1.4rem;
    line-height: 1;
}

hr {
    display: block;
    height: 1px;
    width: var(--section-width);
    border: 0;
    border-top: 1px solid var(--hr-color, #ccc);
    margin: 1em 0;
    padding: 0;
}

p.subtitle {
    font-style: italic;
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 1.8rem;
    display: block;
    line-height: 1;
}

.numeral {
    font-family: var(--font-num);
}

.danger {
    color: red;
}

article {
    padding: 5rem 0rem;
}

/*
    5rem by default, minus 1rem for the header's top padding and minus 1.7rem
    for the header font size.
*/
header + article {
    padding-top: calc(5rem - 1rem - 1.7rem);
}

section {
    padding-block: 1rem;
}

/* Fix for figcaptions causing text flow */
figcaption > section {
    padding: 0;
}

p,
dl,
ol,
ul,
summary {
    font-size: 1.4rem;
    line-height: 2rem;
}

p {
    margin-top: 1.4rem;
    margin-bottom: 1.4rem;
    padding-right: 0;
    vertical-align: baseline;
}

/* Chapter Epigraphs */
div.epigraph {
    margin: 5em 0;
}

div.epigraph > blockquote {
    margin-top: 3em;
    margin-bottom: 3em;
}

div.epigraph > blockquote,
div.epigraph > blockquote > p,
blockquote > .epigraph {
    font-style: italic;
}

div.epigraph > blockquote > footer {
    font-style: normal;
}

div.epigraph > blockquote > footer > cite {
    font-style: italic;
}
/* end chapter epigraphs styles */

blockquote {
    font-size: 1.4rem;
    margin: 1.4rem 2.6rem;
}

blockquote p {
    width: var(--section-width);
    margin-right: 40px;
}

blockquote footer,
.quotecite {
    width: var(--section-width);
    font-size: 1.1rem;
    text-align: right;
}

section > p,
section > footer,
section > table,
section > pre,
section > span,
section > details {
    width: var(--section-width);
    box-sizing: border-box;
}

section > dl,
section > ol,
section > ul {
    padding-left: 5%;
    width: calc(var(--section-width) - 5%);
}

dt:not(:first-child),
li:not(:first-child) {
    margin-top: 0.25rem;
}

figure {
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    max-width: var(--section-width);
    -webkit-margin-start: 0;
    -webkit-margin-end: 0;
    margin: 0 0 3em 0;
}

figcaption {
    float: right;
    clear: right;
    margin-top: 0;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.6;
    vertical-align: baseline;
    position: relative;
    max-width: 50%;
}

figure.fullwidth figcaption {
    margin-right: 24%;
}

a:link,
a:visited {
    color: inherit;
    text-underline-offset: 0.1em;
    text-decoration-thickness: 0.05em;
}

/* Sidenotes, margin notes, figures, captions */
img,
video {
    max-width: 100%;
}

img,
pre,
video {
    border-radius: 0.5rem;
}

.sidenote,
.marginnote {
    float: right;
    clear: right;
    margin-right: -60%;
    width: 50%;
    margin-top: 0.3rem;
    margin-bottom: 0;
    font-size: 1.1rem;
    line-height: 1.3;
    vertical-align: baseline;
    position: relative;
}

.sidenote-number {
    counter-increment: sidenote-counter;
}

.sidenote-number:after,
.sidenote:before {
    font-family: var(--font-num);
    position: relative;
    vertical-align: baseline;
}

.sidenote-number:after {
    content: counter(sidenote-counter);
    font-size: 1rem;
    top: -0.5rem;
    left: 0.1rem;
}

.sidenote:before {
    content: counter(sidenote-counter) " ";
    font-size: 1rem;
    top: -0.5rem;
}

blockquote .sidenote,
blockquote .marginnote {
    margin-right: calc(-60% - (2.6rem * 2));
    min-width: 59%;
    text-align: left;
}

div.fullwidth,
table.fullwidth {
    width: 100%;
}

div.table-wrapper {
    overflow-x: auto;
    font-family: "Trebuchet MS", "Gill Sans", "Gill Sans MT", sans-serif;
}

.sans {
    font-family: "Gill Sans", "Gill Sans MT", Calibri, sans-serif;
    letter-spacing: 0.03em;
}

pre {
    overflow-x: scroll;
    font-size: 0.9rem;
}

code {
    font-family: var(--font-mono);
}

p > code,
p > a > code,
li > code,
li > a > code {
    font-size: 1rem;

    /*
    background: #0d0d0d;
    padding: 0.2rem 0.3rem;
    border-radius: 0.5rem;
    */
}

[glow] ins::before,
[glow] del::before {
    content: "" !important;
}

.sans > code {
    font-size: 1.2rem;
}

h1 > code,
h2 > code,
h3 > code {
    font-size: 0.8em;
}

.marginnote > code,
.sidenote > code {
    font-size: 1rem;
}

pre.fullwidth > code {
    width: 100%;
}

.fullwidth,
.fullwidth + figure {
    max-width: 95%;
    clear: both;
}

span.newthought {
    font-variant: small-caps;
    font-size: 1.2em;
}

input.margin-toggle {
    display: none;
}

label.sidenote-number {
    display: inline-block;
    max-height: 2rem; /* should be less than or equal to paragraph line-height */
}

label.margin-toggle:not(.sidenote-number) {
    display: none;
}

.iframe-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 */
    padding-top: 25px;
    height: 0;
}

.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

@media (max-width: 1200px) {
    :root {
        --section-width: 100%;
    }

    body {
        width: 94%;
        padding-inline: 3%;
    }

    hr,
    section > p,
    section > footer,
    section > table,
    section > pre,
    section > span,
    section > details {
        width: 100%;
    }

    pre > code {
        width: 97%;
    }

    section > dl,
    section > ol,
    section > ul {
        width: 90%;
    }

    figcaption,
    figure.fullwidth figcaption {
        margin-right: 0%;
        max-width: none;
    }

    .fullwidth,
    .fullwidth + figure {
        max-width: 100%;
    }

    blockquote {
        margin-left: 1.5em;
        margin-right: 0em;
    }

    blockquote p,
    blockquote footer,
    .quotecite {
        width: 100%;
    }

    label.margin-toggle:not(.sidenote-number) {
        display: inline;
    }

    .sidenote,
    .marginnote {
        display: none;
    }

    .margin-toggle:checked + .sidenote,
    .margin-toggle:checked + .marginnote {
        display: block;
        float: left;
        left: 1rem;
        clear: both;
        width: 95%;
        margin: 1rem 2.5%;
        vertical-align: baseline;
        position: relative;
    }

    label {
        cursor: pointer;
    }

    div.table-wrapper,
    table {
        width: 85%;
    }
}