/* document.css — base styles for Fidus Writer HTML/EPUB/print exports */

/* ── Fallback fonts (Libertinus Serif + JetBrains Mono, SIL OFL) ────────── */

/* The Libertinus Serif and JetBrains Mono TTFs are bundled with
   @fiduswriter/document. The url() paths are relative to this stylesheet:
   they resolve against css/document/fonts/ when this file is served as
   static/css/document/document.css and against css/fonts/ when it is embedded
   as css/document.css inside an HTML/EPUB export (the exporter adds the font
   files to the zip alongside it). */

@font-face {
    font-family: "Libertinus Serif";
    font-style: normal;
    font-weight: 400;
    src: url(fonts/LibertinusSerif-Regular.ttf) format("truetype");
}

@font-face {
    font-family: "Libertinus Serif";
    font-style: normal;
    font-weight: 700;
    src: url(fonts/LibertinusSerif-Bold.ttf) format("truetype");
}

@font-face {
    font-family: "Libertinus Serif";
    font-style: italic;
    font-weight: 400;
    src: url(fonts/LibertinusSerif-Italic.ttf) format("truetype");
}

@font-face {
    font-family: "Libertinus Serif";
    font-style: italic;
    font-weight: 700;
    src: url(fonts/LibertinusSerif-BoldItalic.ttf) format("truetype");
}

@font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 400;
    src: url(fonts/JetBrainsMono-Regular.ttf) format("truetype");
}

@font-face {
    font-family: "JetBrains Mono";
    font-style: normal;
    font-weight: 700;
    src: url(fonts/JetBrainsMono-Bold.ttf) format("truetype");
}

/* ── Reset & base ──────────────────────────────────────────────────────────── */

body.doc {
    font-family: "Libertinus Serif", "Liberation Serif", serif;
    font-size: 1rem;
    line-height: 1.7;
    color: #1a1a1a;
    background: #fff;
    max-width: 52rem;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

/* ── Document-part containers ──────────────────────────────────────────────── */

.doc-part {
    margin-bottom: 1.5rem;
}

.doc-title {
    margin-bottom: 0.5rem;
    font-size: 2rem;
    font-weight: bold;
    line-height: 1.2;
}

/* ── Headings ──────────────────────────────────────────────────────────────── */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Libertinus Serif", "Liberation Serif", serif;
    font-weight: bold;
    line-height: 1.25;
    margin: 1.5em 0 0.5em;
    color: #111;
}

h1 {
    font-size: 1.75rem;
}
h2 {
    font-size: 1.5rem;
}
h3 {
    font-size: 1.25rem;
}
h4 {
    font-size: 1.1rem;
}
h5 {
    font-size: 1rem;
}
h6 {
    font-size: 0.9rem;
}

/* ── Paragraphs ────────────────────────────────────────────────────────────── */

p {
    margin: 0 0 0.9em;
}

/* ── Inline marks ──────────────────────────────────────────────────────────── */

.underline {
    text-decoration: underline;
}

sup,
sub {
    font-size: 0.75em;
    line-height: 0;
    position: relative;
    vertical-align: baseline;
}
sup {
    top: -0.5em;
}
sub {
    bottom: -0.25em;
}

code {
    font-family: "JetBrains Mono", "DejaVu Sans Mono", monospace;
    font-size: 0.88em;
    background: #f4f4f4;
    padding: 0.1em 0.3em;
    border-radius: 3px;
}

/* ── Blockquote ────────────────────────────────────────────────────────────── */

blockquote {
    margin: 1em 0 1em 2em;
    padding-left: 1em;
    border-left: 3px solid #ccc;
    color: #444;
    font-style: italic;
}

/* ── Lists ─────────────────────────────────────────────────────────────────── */

ol,
ul {
    margin: 0.5em 0 1em 2em;
    padding: 0;
}

li {
    margin-bottom: 0.25em;
}

/* ── Links ─────────────────────────────────────────────────────────────────── */

a {
    color: #1a5fb4;
    text-decoration: underline;
}

.user-contents a {
    text-decoration: underline;
}

a.reference {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dotted #888;
}

.anchor {
    /* Invisible inline anchor for cross-references. */
}

span.anchor {
    text-decoration: underline;
    color: var(--cs-4-text);
}

/* ── Equations ─────────────────────────────────────────────────────────────── */

span.equation {
    display: inline-block;
    vertical-align: middle;
}

div.figure-equation {
    text-align: center;
    margin: 1em 0;
    overflow-x: auto;
}

/* The equation image/SVG must be inline-level so that the text-align above
   can center it (img defaults to display: block further down). */
div.figure-equation img,
div.figure-equation svg {
    display: inline-block;
}

/* ── Code blocks ───────────────────────────────────────────────────────────── */

pre {
    font-family: "JetBrains Mono", "DejaVu Sans Mono", monospace;
    font-size: 0.88em;
    background: #f4f4f4;
    border: 1px solid #e0e0e0;
    border-radius: 4px;
    padding: 0.9em 1.1em;
    overflow-x: auto;
    margin: 1em 0;
}

pre code {
    background: none;
    padding: 0;
    border-radius: 0;
    font-size: inherit;
}

figure.code-block-figure {
    margin: 1.5em 0;
}

figure.code-block-figure figcaption {
    font-size: 0.85em;
    color: #555;
    margin-bottom: 0.4em;
}

/* ── Figures and images ────────────────────────────────────────────────────── */

figure {
    margin: 1.5em 0;
    display: block;
}

figcaption {
    font-size: 0.875em;
    color: #555;
    margin-top: 0.4em;
}

figcaption label {
    font-weight: bold;
    margin-right: 0.4em;
}

/* Category label ("Figure 1") and caption text share a single line: the
   caption paragraph is inline, and a colon separator is generated only when
   a description actually follows the label (i.e. the label is not the last
   child of figcaption/caption). */
figcaption p,
caption p {
    display: inline;
    margin: 0;
}

figcaption label:not(:last-child)::after,
caption label:not(:last-child)::after {
    content: ": ";
}

figure footer.copyright {
    font-size: 0.75em;
    color: #777;
    margin-top: 0.3em;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Alignment */
.aligned-left {
    float: left;
    margin: 0 1.5em 1em 0;
}
.aligned-right {
    float: right;
    margin: 0 0 1em 1.5em;
}
.aligned-center {
    float: none;
    margin-left: auto;
    margin-right: auto;
}

/* Width classes (percentage of container) */
.image-width-25 {
    width: 25%;
}
.image-width-50 {
    width: 50%;
}
.image-width-75 {
    width: 75%;
}
.image-width-100 {
    width: 100%;
}

/* Clear floats after doc-parts that contain floated images */
.doc-part::after {
    content: "";
    display: table;
    clear: both;
}

/* ── Tables ─────────────────────────────────────────────────────────────────── */

table {
    border-collapse: collapse;
    margin: 1.5em 0;
    width: 100%;
    font-size: 0.95em;
    clear: both;
}

caption {
    caption-side: top;
    text-align: left;
    font-size: 0.875em;
    color: #555;
    margin-bottom: 0.5em;
}

caption label {
    font-weight: bold;
    margin-right: 0.4em;
}

th,
td {
    border: 1px solid #ccc;
    padding: 0.45em 0.7em;
    vertical-align: top;
    text-align: left;
}

th {
    background: #f0f0f0;
    font-weight: bold;
}

/* Table width/alignment helpers */
.table-25 {
    width: 25%;
}
.table-50 {
    width: 50%;
}
.table-75 {
    width: 75%;
}
.table-100 {
    width: 100%;
}
.table-full {
    width: 100%;
}
.table-center {
    margin-left: auto;
    margin-right: auto;
}
.table-left {
    margin-right: auto;
}
.table-right {
    margin-left: auto;
}

.doc table[data-layout="fixed"] {
    table-layout: fixed !important;
}

.doc table[data-layout="auto"] {
    table-layout: auto !important;
}

/* ── Table of contents ─────────────────────────────────────────────────────── */

.table-of-contents h1 {
    font-size: 1.2rem;
    margin-bottom: 0.5em;
}

.doc .table-of-contents h1,
.doc .table-of-contents h2,
.doc .table-of-contents h3,
.doc .table-of-contents h4,
.doc .table-of-contents h5,
.doc .table-of-contents h6 {
    font-size: 1em;
    font-weight: normal;
    margin-bottom: unset;
}

.doc .table-of-contents h2 {
    padding-left: 1em;
}

.doc .table-of-contents h3 {
    padding-left: 2em;
}

.doc .table-of-contents h4 {
    padding-left: 3em;
}

.doc .table-of-contents h5 {
    padding-left: 4em;
}

.doc .table-of-contents h6 {
    padding-left: 5em;
}

.doc .table-of-contents h1.toc {
    font-style: italic;
}

.table-of-contents a {
    text-decoration: none;
    color: #1a5fb4;
}

/* ── Contributors ──────────────────────────────────────────────────────────── */

.doc-contributors {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.doc-contributors .person,
.doc-contributors .group {
    display: inline-block;
    margin-right: 0.75em;
}

.doc-contributors .name {
    font-weight: bold;
}

.doc-contributors .affiliation {
    vertical-align: super;
    font-size: 0.75em;
    color: #1a5fb4;
    text-decoration: none;
}

.doc-contributors .contributor-id {
    font-size: 0.8em;
    color: #555;
    margin-left: 0.3em;
}

/* ── Tags ───────────────────────────────────────────────────────────────────── */

.doc-tags {
    margin-bottom: 1rem;
}

.tag {
    display: inline-block;
    background: #e8e8e8;
    border-radius: 3px;
    padding: 0.1em 0.5em;
    margin: 0.2em 0.25em;
    font-size: 0.85em;
}

/* ── Back matter ────────────────────────────────────────────────────────────── */

#back {
    margin-top: 3rem;
    border-top: 1px solid #ccc;
    padding-top: 1.5rem;
}

/* Affiliations */
section.affiliations {
    margin-bottom: 1.5rem;
}

aside.affiliation {
    display: flex;
    gap: 0.4em;
    font-size: 0.88em;
    margin-bottom: 0.3em;
}

aside.affiliation label {
    font-weight: bold;
    flex-shrink: 0;
}

/* Footnotes */
section.footnotes {
    margin-top: 1.5rem;
}

a.footnote {
    vertical-align: super;
    font-size: 0.75em;
    line-height: 0;
    text-decoration: none;
    color: #1a5fb4;
}

aside.footnote {
    display: flex;
    gap: 0.5em;
    font-size: 0.875em;
    margin-bottom: 0.6em;
}

aside.footnote label {
    font-weight: bold;
    flex-shrink: 0;
}

aside.footnote p {
    margin: 0;
}

/* References / bibliography */
.references {
    margin-top: 1.5rem;
}

.references p,
.csl-entry {
    padding-left: 2em;
    text-indent: -2em;
    margin-bottom: 0.5em;
    font-size: 0.95em;
}

/* ── Bibliography / CSL layout ──────────────────────────────────────────────── */

.csl-bib-body {
    padding-top: 0.5em;
    padding-bottom: 0.5em;
}

.csl-left-margin {
    padding-right: 1ch;
    clear: left;
    float: left;
    white-space: pre;
}

.csl-entry i,
.citation i {
    font-style: italic;
}

.csl-entry b,
.citation b {
    font-weight: bold;
}

.csl-entry sup,
.citation sup {
    vertical-align: super;
    font-size: smaller;
}

.csl-entry sub,
.citation sub {
    vertical-align: sub;
    font-size: smaller;
}

.csl-indent {
    padding-left: 0.5in;
}

.csl-entry {
    clear: left;
}

.csl-right-inline {
    padding-left: 20px;
}

/* Ensure inline code marks stay inline even with higher specificity selectors */

/* Cover all block-level elements that can contain inline content */

.user-contents p code,
.user-contents h1 code,
.user-contents h2 code,
.user-contents h3 code,
.user-contents h4 code,
.user-contents h5 code,
.user-contents h6 code,
.user-contents figcaption code,
.user-contents caption code {
    display: inline;
}

/* ── Separator ──────────────────────────────────────────────────────────────── */

hr.doc-separator {
    border: none;
    border-top: 1px solid #ccc;
    margin: 2rem 0;
}