433 lines
9.7 KiB
CSS
433 lines
9.7 KiB
CSS
/*** Variables ***/
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:root {
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--tree-indent-width: 2rem;
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--transition-duration: 0.15s;
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--button-bar-icon-size: 1.75rem;
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}
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/*** Breadcrumbs ***/
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.breadcrumbs {
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list-style-type: none;
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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height: min-content;
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margin: 0;
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padding: 0;
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align-items: center;
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opacity: 70%;
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}
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.breadcrumb::before {
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content: "";
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display: inline-block;
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background-image: var(--icon-breadcrumb);
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background-repeat: no-repeat;
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background-position: 50% 50%;
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opacity: 70%;
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width: 2.25rem;
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height: 1.2em;
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vertical-align: text-bottom;
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}
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.breadcrumb a {
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--recursive-mono: 1;
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--recursive-wght: 500;
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--recursive-casl: 0;
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color: var(--text-color);
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text-decoration: none;
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}
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.breadcrumb a:hover {
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text-decoration: underline;
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}
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.breadcrumbs > .root-breadcrumb {
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display: none; /* only when main logo is hidden */
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margin-right: -8px;
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& a,
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& svg {
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display: block;
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}
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& .logo {
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width: 48px;
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height: 48px;
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padding: 8px;
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color: var(--text-color);
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}
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}
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@media (max-width: 450px) {
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.breadcrumbs > .root-breadcrumb {
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display: block;
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}
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}
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/*** Tree ***/
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.tree {
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--tree-indent-guide-dim: transparent;
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--tree-indent-guide-highlighted: transparent;
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}
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.tree:has(.branch-container:hover) {
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--tree-indent-guide-dim: transparent;
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--tree-indent-guide-highlighted: var(--border-1);
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}
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@media (hover: none) {
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.tree {
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--tree-indent-guide-dim: var(--border-1);
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--tree-indent-guide-highlighted: var(--border-1);
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}
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}
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/* Use an indent level appropriate for the viewport. */
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.tree ul {
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--tree-responsive-indent-width: clamp(
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var(--8px),
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2vw,
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var(--tree-indent-width)
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);
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/* Draw indent guides. */
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padding-left: calc(var(--tree-responsive-indent-width) / 2);
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margin-left: calc(var(--tree-responsive-indent-width) / 2);
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border-left: var(--1px) solid var(--tree-indent-guide-dim);
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transition: border-left-color var(--transition-duration);
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}
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.tree details:has(.branch-container:hover) > ul {
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border-left-color: var(--tree-indent-guide-highlighted);
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}
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/* Top level should not have an indent or a border. */
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.tree > ul {
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padding-left: 0;
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border-left: none;
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}
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.tree details {
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/* Disable the rightwards chevron in <details> elements */
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& > summary {
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list-style: none;
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cursor: pointer;
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&::-webkit-details-marker {
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display: none;
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}
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}
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}
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/* Child branches */
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.tree li {
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/* <li> elements should not have any bullet points or whatever */
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list-style: none;
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/* Stretch branch content to the full width of the page */
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& > div,
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& > details {
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width: 100%;
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}
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/* Add an underline for leaf branches */
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& > div {
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box-sizing: border-box;
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margin-bottom: calc(- var(--1px));
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border-bottom: var(--1px) solid transparent;
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transition: border-bottom-color var(--transition-duration);
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&:hover {
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border-bottom-color: var(--border-1);
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}
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}
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& > div,
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& > details > summary {
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/* Child elements are laid out horizontally in a flexbox. */
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display: flex;
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align-items: center;
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}
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}
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/* <summary> is used for the visual content of branches with children. It's the large horizontal bar
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and notably *excludes* children. */
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.tree details > summary {
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/* Slightly round for elegance */
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border-radius: var(--8px);
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/* Give it a shaded background on hover */
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background-color: transparent;
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transition: background-color var(--transition-duration);
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&:hover {
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background-color: var(--shaded-background);
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}
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}
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/* For media without hover functionality, draw a bottom border everywhere as a visual anchor for where to tap */
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@media (hover: none) {
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.tree li > div:first-child,
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.tree li > details > summary:first-child {
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border-bottom: var(--1px) solid var(--border-1);
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}
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.tree details > summary {
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/* In that case summaries shall not be rounded. */
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border-radius: 0;
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}
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}
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/* The following three elements - bp, bc, and bb - are there in all branches, regardless of their parent. */
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/* bp - bullet point */
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th-bp {
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display: block;
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width: var(--tree-indent-width);
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height: 1.75rem;
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background-image: var(--icon-leaf);
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background-repeat: no-repeat;
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background-position: 50% 50%;
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/* Prevent shrinkage when viewport is too low */
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flex-shrink: 0;
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}
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/* Change image of th-bp if it has children and/or is collapsible */
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.tree details[open] > summary > th-bp {
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background-image: var(--icon-collapse);
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}
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.tree details:not([open]) > summary > th-bp {
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background-image: var(--icon-expand);
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}
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/* bc - branch content */
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th-bc {
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display: block;
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padding-top: var(--6px);
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padding-bottom: var(--6px);
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/* Lines that are too long get very hard to read. */
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width: 100%;
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max-width: 72em;
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/* Bit of a hack to make <pre>s in <th-bc> have scrollbars proper. */
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&:has(pre, th-literate-program) {
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overflow: hidden;
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}
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}
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/* Display a chevron hinting that the collapsed branch has more content in its children. */
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.tree details:not([open])>summary>th-bc>:last-child,
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/* NOTE: Linked branches have a slightly different structure (extra <noscript> tag) and therefore
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:last-child does not work. */
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.tree li[data-th-link]>details:not([open])>summary>th-bc>:nth-last-child(2) {
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&::after {
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content: "\00A0";
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display: inline-block;
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background-image: var(--icon-more);
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background-repeat: no-repeat;
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background-position: 50% 50%;
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width: var(--16px);
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height: 1.2em;
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vertical-align: text-bottom;
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margin-left: 0.5em;
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margin-right: -2.25rem;
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}
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}
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/* Display a [draft] pill for branches that are drafts. */
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.tree li.draft {
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& > details > summary > th-bc::before,
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& > div > th-bc::before {
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content: "draft";
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display: block;
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width: min-content;
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background-color: #058ef0;
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color: #ffffff;
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padding: var(--4px) var(--12px);
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margin-bottom: var(--4px);
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border-radius: 100px;
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}
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}
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/* bb - button bar */
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th-bb {
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height: 100%;
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margin: var(--4px);
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/* Should be displayed on the top of the branch rather than in the middle. */
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align-self: start;
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flex-grow: 1;
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display: flex;
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flex-direction: row;
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align-items: center;
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justify-content: end;
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/* Keep the button bar invisible by default. */
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opacity: 0%;
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transition: opacity var(--transition-duration);
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}
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/* When the parent is hovered over, display the button bar. */
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.tree *:hover > th-bb {
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opacity: 100%;
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}
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/* For media without hover functionality, th-bb should always be visible. */
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@media (hover: none) {
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:root {
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--button-bar-icon-size: 2.25rem;
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}
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.tree th-bb {
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opacity: 100%;
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/* Replace margin with button size to make it easier to click. */
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margin: 0px;
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& a.icon {
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width: 2.25rem;
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height: 2.25rem;
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}
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}
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}
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/* Style branch dates to be smaller and less noticable. */
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th-bb .branch-date {
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opacity: 50%;
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font-size: 0.8em;
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}
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/* Hide branch dates on very small displays. No clue how to fix this just yet. */
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@media (max-width: 600px) {
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th-bb .branch-date {
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display: none;
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}
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}
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/* Icons (used in the button bar) */
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.tree {
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& .icon {
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background-repeat: no-repeat;
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background-position: 50% 50%;
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opacity: 35%;
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width: var(--button-bar-icon-size);
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height: var(--button-bar-icon-size);
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}
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& .icon-permalink {
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background-image: var(--icon-permalink);
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}
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& .icon-go {
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background-image: var(--icon-go);
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}
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}
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/* Style the loading text to not be too attention grabbing. */
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.tree .link-loading {
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padding-left: 1.75em;
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opacity: 50%;
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}
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/* Highlight branch selected by # or ? in URL.
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The latter is not supported by CSS so we use some auxiliary JavaScript to add a .target class
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to the element highlighted by ?. */
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.tree :target,
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.tree .target {
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& > details > summary,
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& > div {
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background-color: var(--shaded-background);
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background: linear-gradient(
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to right,
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transparent 12.5%,
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var(--shaded-background),
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transparent,
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var(--shaded-background),
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transparent,
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var(--shaded-background) 87.5%
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);
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background-size: 800% 100%;
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background-position-x: 100%;
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animation: hey-listen 2s linear;
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}
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}
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@keyframes hey-listen {
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0% {
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background-position-x: 0%;
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}
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100% {
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background-position-x: 100%;
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}
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}
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/* <noscript> navigation links */
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.tree .navigate {
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padding-left: 1.75em;
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background-repeat: no-repeat;
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background-position: 0% 50%;
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opacity: 80%;
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}
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/* branch-quote class for "air quote branches"; used to separate a subtree from a parent tree
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stylistically such that it's interpretable as a form of block quote. */
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ul.branch-quote {
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--vertical-margin: var(--8px);
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--padding: var(--8px);
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margin-top: var(--vertical-margin);
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margin-bottom: var(--vertical-margin);
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padding-top: var(--padding);
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padding-bottom: var(--padding);
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padding-right: var(--padding);
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border: var(--1px) solid var(--border-1);
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border-radius: var(--8px);
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position: relative;
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&::before {
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--recursive-wght: 900;
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--recursive-casl: 0;
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content: "“";
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position: absolute;
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right: var(--16px);
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top: var(--1px);
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font-size: 3rem;
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opacity: 50%;
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transition: opacity var(--transition-duration);
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}
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&:hover::before {
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opacity: 0%;
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}
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}
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