/*! Hlaholice */
@font-face {
    font-family: 'Shafarik';
    src: url(fonts/shafarik/Shafarik-Regular.otf) format('opentype');
    font-weight: normal;
    font-style: normal;
}


/*! Patkové písmo */

@font-face {
    font-family: 'Antykwa';
    src: url(fonts/antikwa/antpolt-regular.otf) format('opentype');
    font-weight: normal;
    font-style: normal;
}

@font-face {
    font-family: 'Antykwa';
    src: url(fonts/antikwa/antpolt-italic.otf) format('opentype');
    font-weight: normal;
    font-style: italic;
}

@font-face {
    font-family: 'Antykwa';
    src: url(fonts/antikwa/antpolt-bold.otf) format('opentype');
    font-weight: bold;
    font-style: normal;
}

@font-face {
    font-family: 'Antykwa';
    src: url(fonts/antikwa/antpolt-bolditalic.otf) format('opentype');
    font-weight: bold;
    font-style: italic;
}

/*!
 * LaTeX.css (https://latex.vercel.app/)
 *
 * Source: https://github.com/vincentdoerig/latex-css
 * Licensed under MIT (https://github.com/vincentdoerig/latex-css/blob/master/LICENSE)
 */

/* Box sizing rules */
*,
*::before,
*::after {
    box-sizing: border-box;
}

:root {
    --body-color: hsl(0, 5%, 10%);
    --body-bg-color: hsl(210, 20%, 98%);
    --link-visited: hsl(0, 100%, 33%);
    --link-focus-outline: hsl(220, 90%, 52%);
    --pre-bg-color: hsl(210, 28%, 93%);
    --kbd-bg-color: hsl(210, 5%, 100%);
    --kbd-border-color: hsl(210, 5%, 70%);
    --table-border-color: black;
    --border-width-thin: 1.36px;
    --border-width-thick: 2.27px;
    --sidenote-target-border-color: hsl(55, 55%, 70%);
    --footnotes-border-color: hsl(0, 0%, 39%);
    --text-indent-size: 1.463rem;
}

.latex-dark {
    --body-color: hsl(0, 0%, 86%);
    --body-bg-color: hsl(0, 0%, 16%);
    --link-visited: hsl(196 80% 77%);
    --link-focus-outline: hsl(215, 63%, 73%);
    --pre-bg-color: hsl(0, 1%, 25%);
    --kbd-bg-color: hsl(0, 0%, 16%);
    --kbd-border-color: hsl(210, 5%, 70%);
    --table-border-color: white;
    --sidenote-target-border-color: hsl(0, 0%, 59%);
    --footnotes-border-color: hsl(0, 0%, 59%);
    --proof-symbol-filter: invert(80%);
}

@media (prefers-color-scheme: dark) {
    .latex-dark-auto {
        --body-color: hsl(0, 0%, 86%);
        --body-bg-color: hsl(0, 0%, 16%);
        --link-visited: hsl(196 80% 77%);
        --link-focus-outline: hsl(215, 63%, 73%);
        --pre-bg-color: hsl(0, 1%, 25%);
        --kbd-bg-color: hsl(0, 0%, 16%);
        --kbd-border-color: hsl(210, 5%, 70%);
        --table-border-color: white;
        --sidenote-target-border-color: hsl(0, 0%, 59%);
        --footnotes-border-color: hsl(0, 0%, 59%);
        --proof-symbol-filter: invert(80%);
    }
}

/* Remove default margin */
body,
h1,
h2,
h3,
h4,
p,
ul[class],
ol[class],
li,
figure,
figcaption,
dl,
dd {
    margin: 0;
}

/* Make default font-size 1rem and add smooth scrolling to anchors */
html {
    font-size: 1rem;
}
@media (prefers-reduced-motion: no-preference) {
    html {
        scroll-behavior: smooth;
    }
}

body {
    font-family: 'Antykwa', serif;
    line-height: 1.5;

    max-width: 80ch;
    min-height: 100vh;
    overflow-x: hidden;
    margin: 0 auto;
    padding: 2rem 1.25rem;

    counter-reset: theorem definition sidenote-counter;

    color: var(--body-color);
    background-color: var(--body-bg-color);

    text-rendering: optimizeLegibility;
}

/* Justify and hyphenate all paragraphs */
p {
    text-align: justify;
    hyphens: auto;
    -webkit-hyphens: auto;
    -moz-hyphens: auto;
    margin-top: 1rem;
}

/* Indents paragraphs like in LaTeX documents*/
.indent-pars p {
    text-indent: var(--text-indent-size);
}

.indent-pars p.no-indent,
p.no-indent {
    text-indent: 0;
}

.indent-pars ol p,
.indent-pars ul p {
    text-indent: 0;
}

.indent-pars h2 + p,
.indent-pars h3 + p,
.indent-pars h4 + p {
    text-indent: 0;
}

/* A elements that don't have a class get default styles */
a:not([class]) {
    text-decoration-skip-ink: auto;
}

/* Make links red */
a,
a:visited {
    color: var(--link-visited);
}

a:focus {
    outline-offset: 2px;
    outline: 2px solid var(--link-focus-outline);
}

/* Make images easier to work with */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Inherit fonts for inputs and buttons */
input,
button,
textarea,
select {
    font: inherit;
}

/* Prevent textarea from overflowing */
textarea {
    width: 100%;
}

/* Natural flow and rhythm in articles by default */
article > * + * {
    margin-top: 1em;
}

/* Styles for inline code or code snippets */
code,
pre,
kbd {
    font-family: Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New',
    monospace;
    font-size: 85%;
    hyphens: none;
}
pre {
    padding: 1rem 1.4rem;
    max-width: 100%;
    overflow: auto;
    border-radius: 4px;
    background: var(--pre-bg-color);
}
pre code {
    font-size: 95%;
    position: relative;
}
kbd {
    background: var(--kbd-bg-color);
    border: 1px solid var(--kbd-border-color);
    border-radius: 2px;
    padding: 2px 4px;
    font-size: 75%;
}

/* Better tables */
table:not(.borders-custom) {
    border-collapse: collapse;
    border-spacing: 0;
    width: auto;
    max-width: 100%;
    border-top: var(--border-width-thick) solid var(--table-border-color);
    border-bottom: var(--border-width-thick) solid var(--table-border-color);
    /* display: block; */
    overflow-x: auto; /* does not work because element is not block */
    /* white-space: nowrap; */
    counter-increment: caption;
}
/* add bottom border on column table headings  */
table:not(.borders-custom) tr > th[scope='col'] {
    border-bottom: var(--border-width-thin) solid var(--table-border-color);
}
/* add right border on row table headings  */
table:not(.borders-custom) tr > th[scope='row'] {
    border-right: var(--border-width-thin) solid var(--table-border-color);
}
table:not(.borders-custom) > tbody > tr:first-child > td,
table:not(.borders-custom) > tbody > tr:first-child > th {
    border-top: var(--border-width-thin) solid var(--table-border-color);
}
table:not(.borders-custom) > tbody > tr:last-child > td,
table:not(.borders-custom) > tbody > tr:last-child > th {
    border-bottom: var(--border-width-thin) solid var(--table-border-color);
}

th,
td {
    text-align: left;
    padding: 0.5rem;
    line-height: 1.1;
}
/* Table caption */
caption {
    text-align: left;
    font-size: 0.923em;
    /* border-bottom: 2pt solid #000; */
    padding: 0 0.25em 0.25em;
    width: 100%;
    margin-left: 0;
}

caption::before {
    content: 'Tabulka ' counter(caption) '. ';
    font-weight: bold;
}

/* allow scroll on the x-axis */
.scroll-wrapper {
    overflow-x: auto;
}

/* if a table is wrapped in a scroll wrapper,
 *  the table cells shouldn't wrap */
.scroll-wrapper > table td {
    white-space: nowrap;
}

/* Table custom borders */
table.borders-custom {
    border-collapse: collapse;
    border-spacing: 0;
    width: auto;
    max-width: 100%;
    overflow-x: auto;
    counter-increment: caption;
}

.border-top-thick {
    border-top: var(--border-width-thick) solid var(--table-border-color);
}
.border-right-thick {
    border-right: var(--border-width-thick) solid var(--table-border-color);
}
.border-bottom-thick {
    border-bottom: var(--border-width-thick) solid var(--table-border-color);
}
.border-left-thick {
    border-left: var(--border-width-thick) solid var(--table-border-color);
}

.border-top-thin {
    border-top: var(--border-width-thin) solid var(--table-border-color);
}
.border-right-thin {
    border-right: var(--border-width-thin) solid var(--table-border-color);
}
.border-bottom-thin {
    border-bottom: var(--border-width-thin) solid var(--table-border-color);
}
.border-left-thin {
    border-left: var(--border-width-thin) solid var(--table-border-color);
}

/* Table column alignment */
.col-1-l tr > :nth-child(1),
.col-2-l tr > :nth-child(2),
.col-3-l tr > :nth-child(3),
.col-4-l tr > :nth-child(4),
.col-5-l tr > :nth-child(5),
.col-6-l tr > :nth-child(6),
.col-7-l tr > :nth-child(7),
.col-8-l tr > :nth-child(8),
.col-9-l tr > :nth-child(9),
.col-10-l tr > :nth-child(10),
.col-11-l tr > :nth-child(11),
.col-12-l tr > :nth-child(12) {
    text-align: left;
}
.col-1-c tr > :nth-child(1),
.col-2-c tr > :nth-child(2),
.col-3-c tr > :nth-child(3),
.col-4-c tr > :nth-child(4),
.col-5-c tr > :nth-child(5),
.col-6-c tr > :nth-child(6),
.col-7-c tr > :nth-child(7),
.col-8-c tr > :nth-child(8),
.col-9-c tr > :nth-child(9),
.col-10-c tr > :nth-child(10),
.col-11-c tr > :nth-child(11),
.col-12-c tr > :nth-child(12) {
    text-align: center;
}
.col-1-r tr > :nth-child(1),
.col-2-r tr > :nth-child(2),
.col-3-r tr > :nth-child(3),
.col-4-r tr > :nth-child(4),
.col-5-r tr > :nth-child(5),
.col-6-r tr > :nth-child(6),
.col-7-r tr > :nth-child(7),
.col-8-r tr > :nth-child(8),
.col-9-r tr > :nth-child(9),
.col-10-r tr > :nth-child(10),
.col-11-r tr > :nth-child(11),
.col-12-r tr > :nth-child(12) {
    text-align: right;
}

/* Format figure captions (based on table captions) */
figure {
    counter-increment: figcaption;
}
figcaption {
    text-align: left;
    font-size: 0.923em;
    padding: 0.25em 0.25em 0;
    width: 100%;
    margin-left: 0;
}
figcaption::before {
    content: 'Obrázek ' counter(figcaption) '. ';
    font-weight: bold;
}

/* Center align the title */
h1:first-child {
    text-align: center;
}

/* Nested ordered list for ToC */
nav ol {
    counter-reset: item;
    padding-left: 2rem;
}
nav li {
    display: block;
}
nav li::before {
    content: counters(item, '.') ' ';
    counter-increment: item;
    padding-right: 0.85rem;
}

/* Center definitions (most useful for display equations) */
dl dd {
    text-align: center;
}

/* Theorem */
.theorem {
    counter-increment: theorem;
    display: block;
    margin: 12px 0;
    font-style: italic;
}
.theorem::before {
    content: 'Theorem ' counter(theorem) '. ';
    font-weight: bold;
    font-style: normal;
}

/* Lemma */
.lemma {
    counter-increment: theorem;
    display: block;
    margin: 12px 0;
    font-style: italic;
}
.lemma::before {
    content: 'Lemma ' counter(theorem) '. ';
    font-weight: bold;
    font-style: normal;
}

/* Proof */
.proof {
    display: block;
    margin: 12px 0;
    font-style: normal;
    position: relative;
}
.proof::before {
    content: 'Proof. ' attr(title);
    font-style: italic;
}
.proof::after {
    content: '◾️';
    filter: var(--proof-symbol-filter);
    position: absolute;
    right: -12px;
    bottom: -2px;
}

/* Definition */
.definition {
    counter-increment: definition;
    display: block;
    margin: 12px 0;
    font-style: normal;
}
.definition::before {
    content: 'Definition ' counter(definition) '. ';
    font-weight: bold;
    font-style: normal;
}

/* Center align author name, use small caps and add vertical spacing  */
.author {
    margin: 0.85rem 0;
    text-align: center;
}

/* Sidenotes */

.sidenote {
    font-size: 0.8rem;
    float: right;
    clear: right;
    width: 18vw;
    margin-right: -20vw;
    margin-bottom: 1em;
    text-indent: 0;
}

.sidenote.left {
    float: left;
    margin-left: -20vw;
    margin-bottom: 1em;
    text-indent: 0;
}

/* (WIP) add border when a sidenote is clicked on */
.sidenote:target {
    border: var(--sidenote-target-border-color) 1.5px solid;
    padding: 0 .5rem;
    scroll-margin-block-start: 10rem;
}

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

.sidenote-number::after,
.sidenote::before {
    position: relative;
    vertical-align: baseline;
}

/* add number in main content */
.sidenote-number::after {
    content: counter(sidenote-counter);
    font-size: 0.7rem;
    top: -0.5rem;
    left: 0.1rem;
}

/* add number in front of the sidenote */
.sidenote-number ~ .sidenote::before {
    content: counter(sidenote-counter) ' ';
    font-size: 0.7rem;
    top: -0.5rem;
}

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

/* sidenotes inside blockquotes are indented more */
blockquote .sidenote {
    margin-right: -24vw;
    width: 18vw;
}


label.sidenote-toggle {
    display: inline;
    cursor: pointer;
}

input.sidenote-toggle {
    display: none;
}

@media (max-width: 1050px) {
    label.sidenote-toggle:not(.sidenote-number) {
        display: inline;
    }
    .sidenote {
        display: none;
    }
    .sidenote-toggle:checked + .sidenote {
        display: block;
        margin: 0.5rem 1.25rem 1rem 0.5rem;
        float: left;
        left: 1rem;
        clear: both;
        width: 95%;
    }
    /* tweak indentation of sidenote inside a blockquote */
    blockquote .sidenote {
        margin-right: -25vw;
        width: 16vw;
    }
}

/* Make footnote text smaller and left align it (looks bad with long URLs) */
.footnotes p {
    text-align: left;
    line-height: 1.5;
    font-size: 85%;
    margin-bottom: 0.4rem;
}
.footnotes {
    border-top: 1px solid var(--footnotes-border-color);
}

/* Center title and paragraph */
.abstract,
.abstract p {
    text-align: center;
    margin-top: 0;
}
.abstract {
    margin: 2.25rem 0;
}
.abstract > h2 {
    font-size: 1rem;
    margin-bottom: -0.2rem;
}

/* Format the LaTeX symbol correctly (a higher up, e lower) */
.latex span:nth-child(1) {
    text-transform: uppercase;
    font-size: 0.75em;
    vertical-align: 0.28em;
    margin-left: -0.48em;
    margin-right: -0.15em;
    line-height: 1ex;
}

.latex span:nth-child(2) {
    text-transform: uppercase;
    vertical-align: -0.5ex;
    margin-left: -0.1667em;
    margin-right: -0.125em;
    line-height: 1ex;
}

/* Heading typography */
h1 {
    font-size: 2.5rem;
    line-height: 3.25rem;
    margin-bottom: 1.625rem;
}

h2 {
    font-size: 1.7rem;
    line-height: 2rem;
    margin-top: 3rem;
}

h3 {
    font-size: 1.4rem;
    margin-top: 2.5rem;
}

h4 {
    font-size: 1.2rem;
    margin-top: 2rem;
}

h5 {
    font-size: 1rem;
    margin-top: 1.8rem;
}

h6 {
    font-size: 1rem;
    font-style: italic;
    font-weight: normal;
    margin-top: 2.5rem;
}

h3,
h4,
h5,
h6 {
    line-height: 1.625rem;
}

h1 + h2 {
    margin-top: 1.625rem;
}

h2 + h3,
h3 + h4,
h4 + h5 {
    margin-top: 0.8rem;
}

h5 + h6 {
    margin-top: -0.8rem;
}

h2,
h3,
h4,
h5,
h6 {
    margin-bottom: 0.8rem;
}

footer {
    text-align: center
}