_static/css/custom.css

/**
 * Copyright (c) 2019-2020, Juan Linietsky, Ariel Manzur and the Godot community
 * Copyright (c) 2021, Teslabs Engineering S.L.
 * Copyright (c) 2023-2025, The Linux Foundation.
 * SPDX-License-Identifier: CC-BY-3.0
 *
 * Various tweaks to the Read the Docs theme to better conform with Zephyr's
 * visual identity. Many colors are also overridden to use CSS variables.
 */

 :root {
     /* Use system font stacks for better performance (no Web fonts required) */
     --system-font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
     --header-font-family: Seravek, 'Gill Sans Nova', Ubuntu, Calibri, 'DejaVu Sans', source-sans-pro, sans-serif;
     --monospace-font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Fira Mono', 'Droid Sans Mono', 'Source Code Pro', monospace;
 }

body,
h1,
h2,
h3,
h4,
h5,
h6,
input[type="text"],
input[type="button"],
input[type="reset"],
input[type="submit"],
textarea,
legend,
.btn,
.rst-content .toctree-wrapper p.caption,
.rst-versions {
    font-family: var(--system-font-family);
}

h1,
h2,
h3,
h4,
h5,
h6,
legend,
.rst-content .toctree-wrapper p.caption {
    /* Use a lighter font for headers (Semi-Bold instead of Bold) */
    font-weight: 600;
    font-family: var(--header-font-family);
}

.rst-content div.figure p.caption {
    /* Tweak caption styling to be closer to typical captions */
    text-align: center;
    margin-top: 8px;
    opacity: 0.75;
}

.rst-content div.figure.figure-w480 {
    max-width: 480px;
}

p,
article ul,
article ol,
.wy-plain-list-disc,
.wy-plain-list-decimal,
.rst-content ol.arabic,
.rst-content .section ul,
.rst-content .toctree-wrapper ul,
.rst-content .section ol {
    /* Increase the line height slightly to account for the different font */
    line-height: 25px;
}

body,
.rst-content table.docutils thead {
    color: var(--body-color);
}

a {
    color: var(--link-color);
}

a:hover {
    color: var(--link-color-hover);
    text-decoration: underline;
}

a:active {
    /* Add visual feedback when clicking on a link */
    color: var(--link-color-active);
}

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

a.btn:hover {
    text-decoration: none;
}

.sphinx-tabs .sphinx-menu a.item {
    /* Original definition has `!important` */
    color: var(--link-color) !important;
}

.rst-content .toc-backref {
    color: var(--link-color);
}

/* Style external links differently to make them easier to distinguish from internal links. */
.reference.external {
    background-position: center right;
    background-repeat: no-repeat;
    background-image: var(--external-reference-icon);
    padding-right: 13px;
}

hr,
#search-results .search li:first-child,
#search-results .search li {
    border-color: var(--hr-color);
}


footer,
#search-results .context {
    color: var(--footer-color);
}

/* Icon tweaks */
a.icon-home,
a.icon-home:visited {
    color: var(--navbar-level-1-color);
}

/* Main sections */

.wy-nav-content-wrap {
    background-color: var(--content-wrap-background-color);
}

.wy-nav-content {
    background-color: var(--content-background-color);
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
}

.wy-body-for-nav {
    background-color: var(--content-wrap-background-color);
}

@media only screen and (min-width: 769px) {
    .wy-nav-content {
        max-width: 915px;
    }
}

/* Table display tweaks */

.rst-content table.docutils,
.wy-table-bordered-all td,
.rst-content table.docutils td,
.wy-table thead th,
.rst-content table.docutils thead th,
.rst-content table.field-list thead th {
    border-color: var(--code-border-color);
}

.rst-content table.docutils caption, .rst-content table.field-list caption, .wy-table caption {
    color: var(--body-color);
}
.wy-table-odd td,
.wy-table-striped tr:nth-child(2n-1) td,
.rst-content table.docutils:not(.field-list) tr:nth-child(2n-1) td {
    background-color: var(--table-row-odd-background-color);
}

/* Override table no-wrap */
/* The first column cells are not verbose, no need to wrap them */
.wy-table-responsive table td:not(:nth-child(1)),
.wy-table-responsive table th:not(:nth-child(1)) {
    white-space: normal;
}

/* Allow to control wrapping behavior per table */
.wy-table-responsive table.wrap-normal td,
.wy-table-responsive table.wrap-normal th {
    white-space: normal;
}

/* Make sure not to wrap keyboard shortcuts */
.wy-table-responsive table td kbd {
    white-space: nowrap;
}

/* Force table content font-size in responsive tables to be 100%
 * fixing larger font size for paragraphs in the kconfig tables */
 .wy-table-responsive td p {
    font-size: 100%;
}

/* Code display tweaks */

code,
.rst-content tt,
.rst-content code {
    font-size: 14px;
    background-color: var(--code-background-color);
    border: 1px solid var(--code-border-color);
}

.rst-content tt.literal,
.rst-content code.literal {
    color: var(--code-literal-color);
}

.rst-content div[class^="highlight"] {
    border-color: none;
    border: none;
}

.rst-content pre.literal-block,
.rst-content div[class^="highlight"] pre,
.rst-content .linenodiv pre {
    /* Increase the font size and line height in code blocks */
    font-size: 14px;
    line-height: 1.5;
}

.rst-content pre.literal-block {
    border: none;
    border-radius: 0.25rem;
    background-color: var(--code-background-color);
}

/* Code tab display tweaks */

.ui.tabular.menu .active.item,
.ui.segment,
.sphinx-tabs-panel {
    background-color: var(--code-background-color) !important;
}

.sphinx-tabs-tab {
    color: var(--link-color) !important;
}

.sphinx-tabs-tab[aria-selected="true"] {
    background-color: var(--code-background-color) !important;
    border-bottom: 1px solid var(--code-background-color) !important;
}

/* Code literals */
a.internal code.literal {
    color: var(--link-color);
}

a.internal:visited code.literal {
    color: var(--link-color-visited);
}

/* Syntax highlighting */

.tab div[class^='highlight']:last-child {
    margin-bottom: 1em;
}

.rst-content tt.literal, .rst-content code.literal, .highlight {
    border-radius: 0.25rem;
}

.highlight {
    background-color: var(--highlight-background-color);
}

/* Emphasized lines */
.highlight .hll {
    background-color: var(--highlight-background-emph-color);
}

.highlight .gh /* Generic.Heading */,
.highlight .gu /* Generic.Subheading */,
.highlight .go /* Generic.Output */,
.highlight .gt /* Generic.Traceback */ {
    color: var(--highlight-default-color);
}

.highlight .c  /* Comment */,
.highlight .c1 /* Comment.Single */,
.highlight .cm /* Comment.Multiline */,
.highlight .cs /* Comment.Special */ {
    color: var(--highlight-comment-color);
}

.highlight .bp /* Name.Builtin.Pseudo */,
.highlight .k  /* Keyword */,
.highlight .kc /* Keyword.Constant */,
.highlight .kd /* Keyword.Declaration */,
.highlight .kn /* Keyword.Namespace */,
.highlight .kp /* Keyword.Pseudo */,
.highlight .kr /* Keyword.Reserved */,
.highlight .kt /* Keyword.Type */,
.highlight .ow /* Operator.Word */ {
    color: var(--highlight-keyword-color);
}

.highlight .ch /* Comment.Hashbang */,
.highlight .cp /* Comment.Preproc */ {
    color: var(--highlight-keyword2-color);
}

.highlight .m  /* Literal.Number */,
.highlight .mf /* Literal.Number.Float */,
.highlight .mi /* Literal.Number.Integer */,
.highlight .il /* Literal.Number.Integer.Long */,
.highlight .mb /* Literal.Number.Bin */,
.highlight .mh /* Literal.Number.Hex */,
.highlight .mo /* Literal.Number.Oct */ {
    color: var(--highlight-number-color);
}

.highlight .na /* Name.Attribute */,
.highlight .nd /* Name.Decorator */,
.highlight .ni /* Name.Entity */,
.highlight .nl /* Name.Label */ {
    color: var(--highlight-decorator-color);
}

.highlight .nb /* Name.Builtin */,
.highlight .ne /* Name.Exception */ {
    color: var(--highlight-type-color);
}

.highlight .nc /* Name.Class */,
.highlight .nn /* Name.Namespace */,
.highlight .no /* Name.Constant */,
.highlight .nv /* Name.Variable */,
.highlight .vc /* Name.Variable.Class */,
.highlight .vg /* Name.Variable.Global */,
.highlight .vi /* Name.Variable.Instance */,
.highlight .vm /* Name.Variable.Magic */ {
    color: var(--highlight-type2-color);
}

.highlight .nf /* Name.Function */,
.highlight .fm /* Name.Function.Magic */,
.highlight .nt /* Name.Tag */ {
    color: var(--highlight-function-color);
}

.highlight .o  /* Operator */,
.highlight .si /* Literal.String.Interpol */,
.highlight .sx /* Literal.String.Other */,
.highlight .sr /* Literal.String.Regex */,
.highlight .ss /* Literal.String.Symbol */ {
    color: var(--highlight-operator-color);
}

.highlight .cpf/* Comment.PreprocFile */,
.highlight .s  /* Literal.String */,
.highlight .s1 /* Literal.String.Single */,
.highlight .s2 /* Literal.String.Double */,
.highlight .sc /* Literal.String.Char */,
.highlight .se /* Literal.String.Escape */,
.highlight .sa /* Literal.String.Affix */,
.highlight .sb /* Literal.String.Backtick */,
.highlight .dl /* Literal.String.Delimiter */,
.highlight .sd /* Literal.String.Doc */,
.highlight .sh /* Literal.String.Heredoc */ {
    color: var(--highlight-string-color);
}

/* Admonition tweaks */

.rst-content .admonition,
.rst-content .admonition.note,
.rst-content .admonition.seealso {
    background-color: var(--admonition-note-background-color);
    color: var(--admonition-note-color);
    overflow: auto;
}

.rst-content .admonition .admonition-title,
.rst-content .admonition.note .admonition-title,
.rst-content .admonition.seealso .admonition-title {
    background-color: var(--admonition-note-title-background-color);
    color: var(--admonition-note-title-color);
}

.rst-content .admonition.attention,
.rst-content .admonition.caution,
.rst-content .admonition.warning {
    background-color: var(--admonition-attention-background-color);
    color: var(--admonition-attention-color);
    overflow: auto;
}

.rst-content .admonition.attention .admonition-title,
.rst-content .admonition.caution .admonition-title,
.rst-content .admonition.warning .admonition-title {
    background-color: var(--admonition-attention-title-background-color);
    color: var(--admonition-attention-title-color);
}

.rst-content .admonition.danger {
    background-color: var(--admonition-danger-background-color);
    color: var(--admonition-danger-color);
    overflow: auto;
}

.rst-content .admonition.danger .admonition-title {
    background-color: var(--admonition-danger-title-background-color);
    color: var(--admonition-danger-title-color);
}

.rst-content .admonition.tip,
.rst-content .admonition.important {
    background-color: var(--admonition-tip-background-color);
    color: var(--admonition-tip-color);
    overflow: auto;
}

.rst-content .admonition.tip .admonition-title,
.rst-content .admonition.important .admonition-title {
    background-color: var(--admonition-tip-title-background-color);
    color: var(--admonition-tip-title-color);
}

/* Admonition tweaks - sphinx_togglebutton */

.rst-content .admonition.toggle {
    overflow: visible;
}

.rst-content .admonition.toggle button {
    display: inline-flex;
    color: var(--admonition-note-title-color);
}

.rst-content .admonition.toggle .tb-icon {
    height: 1em;
    width: 1em;
}

/* Keyboard shortcuts tweaks */
kbd, .kbd,
.rst-content :not(dl.option-list) > :not(dt):not(kbd):not(.kbd) > kbd,
.rst-content :not(dl.option-list) > :not(dt):not(kbd):not(.kbd) > .kbd {
    background-color: var(--kbd-background-color);
    border: 1px solid var(--kbd-outline-color);
    border-radius: 3px;
    box-shadow: inset 0 -1px 0 var(--kbd-shadow-color);
    color: var(--kbd-text-color);
    display: inline-block;
    font-size: 12px;
    line-height: 11px;
    padding: 4px 5px;
    vertical-align: middle;
}

/* guilabel and menuselection tweaks */
.rst-content .guilabel,
.rst-content .menuselection {
    color: var(--body-color);
    background-color: var(--guiitems-background-color);
    border-color: var(--guiitems-border-color);
}

/* heading tweaks to make document hierarchy easier to grasp */

.rst-content section > h1 {
    font-weight: 700;
    margin-bottom: 2.5rem;
    position: relative;
    line-height: 1;
    z-index: 1;
}

.rst-content section > h1::before {
    content: '';
    position: absolute;
    z-index:-1;
    left: 0;
    right: 0;
    height: 4px;
    bottom: -1px;
    background: linear-gradient(to right, var(--admonition-note-title-background-color), var(--admonition-note-title-background-color) 50%, var(--admonition-note-background-color) 80%, transparent); /* Example gradient */
    opacity:50%;
}

.rst-content section > h2,
.rst-content section > h3,
.rst-content section > h4,
.rst-content section > h5 {
    font-weight: 500;
    padding-inline-start: 8px;
    margin-inline-start: 0px;
    border-inline-start: 8px solid;
    padding-top: 0.2em;
    padding-bottom: 0.2em;
}

.rst-content section > h2 {
    border-color: var(--admonition-note-title-background-color);
}

.rst-content section > h3 {
    border-color: var(--admonition-note-background-color);
}

.rst-content section > h4 {
    border-color: transparent;
    font-weight: 400;
}

.rst-content section > h5 {
    border-color: transparent;
    font-weight: 100;
}

/* Definition lists */
.rst-content dl {
    border-left: 4px solid var(--admonition-note-background-color);
}

.rst-content dl:not(.field-list) > dt {
    position: relative;
    padding-left: 1rem;
    line-height: 1.8rem;
    background: var(--highlight-background-color);
    border-radius: 0 16px 16px 0;
}

.rst-content dl:not(.field-list) > dt::before {
    content: '';
    position: absolute;
    left: -10px;
    top: 6px;
    width: 16px;
    height: 16px;
    background: var(--admonition-note-title-background-color);
    border-radius: 50%;
    border: 4px solid var(--content-background-color);
}

/* Buttons */

.btn-neutral {
    background-color: var(--btn-neutral-background-color) !important;
    color: var(--body-color) !important;
}

.btn-neutral:hover {
    background-color: var(--btn-neutral-hover-background-color) !important;
}

.btn-neutral:visited {
    color: var(--body-color) !important;
}

/* Navigation bar logo and search */

.logo {
    opacity: var(--logo-opacity);
}

.wy-side-nav-search > a img.logo {
    /* Fixed size to prevent reflows and support hiDPI displays */
    /* A 5 pixel margin is added on each side. The logo itself displays at 200×100 at 100% scaling. */
    width: 210px;
    height: 105px;
}

.wy-side-nav-search {
    background-color: var(--navbar-background-color);
}

.wy-side-nav-search.fixed {
    position: fixed;
}

@media only screen and (min-width: 769px) {
    /* Simulate a drop shadow that only affects the bottom edge */
    /* This is used to indicate the search bar is fixed */
    .wy-side-nav-search.fixed-and-scrolled::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -8px;
        width: 300px;
        height: 8px;
        pointer-events: none;
        background: linear-gradient(hsla(0, 0%, 0%, 0.2), transparent);
    }
}

.wy-side-nav-search > a:hover,
.wy-side-nav-search .wy-dropdown > a:hover {
    background-color: var(--navbar-background-color-hover);
}

.wy-side-nav-search > a:active,
.wy-side-nav-search .wy-dropdown > a:active {
    background-color: var(--navbar-background-color-active);
}

.wy-side-nav-search input[type=search] {
    width: 100%;
    border-radius: 50px;
    padding: 6px 12px;
    background-color: var(--input-background-color);
    color: var(--body-color);
    /* Avoid reflowing when toggling the focus state */
    border: 2px solid transparent;
    box-shadow: none;
    /* Make visual feedback instant */
    transition: none;
    font-size: 14px;
}

.wy-side-nav-search input[type="search"]:focus {
    border: 2px solid var(--input-focus-border-color);
}

.wy-side-nav-search input[type="search"]::placeholder {
    color: var(--body-color);
    opacity: 0.55;
}

/* Navigation bar */

.wy-nav-side {
    background-color: var(--navbar-background-color);
}

.wy-menu-vertical header,
.wy-menu-vertical p.caption {
    color: var(--navbar-heading-color);

    /* Improves the appearance of uppercase text */
    letter-spacing: 0.75px;
}

/* Mobile navigation */

.wy-nav-top,
.wy-nav-top a {
    background-color: var(--navbar-background-color);
    color: var(--navbar-level-1-color);
}

/* Version branch label below the logo */
.wy-side-nav-search > div.version {
    color: var(--navbar-level-3-color);
    opacity: 0.9;
}

/* First level of navigation items */

.wy-menu-vertical a {
    color: var(--navbar-level-1-color);
}

.wy-menu-vertical a:hover {
    background-color: var(--navbar-background-color-hover);
    color: var(--navbar-level-1-color);
}

.wy-menu-vertical a:active {
    background-color: var(--navbar-background-color-active);
}

.wy-menu-vertical li.toctree-l1.current > a {
    border: none;
}

.wy-menu-vertical a button.toctree-expand,
.wy-menu-vertical li.toctree-l2 a button.toctree-expand {
    color: var(--navbar-level-3-color);
    opacity: 0.9;
    margin-right: 6px;
}

.wy-menu-vertical a:hover button.toctree-expand,
.wy-menu-vertical li.toctree-l2 a:hover button.toctree-expand {
    color: var(--navbar-level-2-color);
    opacity: 1;
}

.wy-menu-vertical a:active button.toctree-expand,
.wy-menu-vertical li.toctree-l2 a:active button.toctree-expand {
    color: var(--navbar-level-1-color);
    opacity: 1;
}

/* Second (and higher) levels of navigation items */

.wy-menu-vertical li.current a {
    /* Make long words always display on a single line, keep wrapping for multiple words */
    /* This fixes the class reference titles' display with very long class names */
    display: flex;
}

.wy-menu-vertical li.current a,
.wy-menu-vertical li.toctree-l2.current > a,
.wy-menu-vertical li.toctree-l2.current li.toctree-l3 > a,
.wy-menu-vertical li.toctree-l2.current li.toctree-l4 > a {
    background-color: var(--navbar-current-background-color);
    color: var(--navbar-level-2-color);
    border-color: var(--navbar-current-background-color);
}

.wy-menu-vertical li.current a:hover,
.wy-menu-vertical li.toctree-l2.current > a:hover,
.wy-menu-vertical li.toctree-l2.current li.toctree-l3 > a:hover,
.wy-menu-vertical li.toctree-l3.current li.toctree-l4 > a:hover {
    background-color: var(--navbar-current-background-color-hover);
}

.wy-menu-vertical li.current a:active,
.wy-menu-vertical li.toctree-l2.current > a:active,
.wy-menu-vertical li.toctree-l2.current li.toctree-l3 > a:active,
.wy-menu-vertical li.toctree-l3.current li.toctree-l4 > a:active {
    background-color: var(--navbar-current-background-color-active);
}

.wy-menu-vertical a {
    /* This overrides 8px margin added in other multi-selector rules */
    margin-right: 0;
}

/* Banner panel in sidebar */
.wy-nav-side .ethical-rtd.fixed {
    position: fixed;
}

/* Version selector (only visible on Read the Docs) */

.rst-versions {
    background-color: var(--navbar-current-background-color);
}

.rst-versions a,
.rst-versions .rst-current-version,
.rst-versions .rst-current-version .fa,
.rst-versions .rst-other-versions dd a {
    color: var(--navbar-level-1-color);
}

.rst-versions .rst-other-versions small {
    color: var(--navbar-level-3-color);
}

.rst-versions .rst-other-versions dd a:hover {
    text-decoration: underline;
}

.rst-versions .rst-other-versions {
    color: var(--navbar-heading-color);
}

.rst-versions .rst-current-version {
    background-color: var(--navbar-current-background-color);
}

.rst-versions .rst-current-version:hover {
    background-color: var(--navbar-current-background-color-hover);
}

.rst-versions .rst-current-version:active {
    background-color: var(--navbar-current-background-color-active);
}

.rst-versions.shift-up {
    overflow-y: auto;
}

/* Hide the obnoxious automatic highlight in search results */
.rst-content .highlighted {
    background-color: transparent;
    font-weight: inherit;
    padding: 0;
}

/* Allows the scrollbar to be shown in the sidebar */
@media only screen and (min-width: 769px) {
    .wy-side-scroll {
        overflow: hidden;
    }

    .wy-nav-side .wy-side-scroll .ethical-rtd {
        width: calc(300px - 1.25em);
        padding: 0 0 0 1em;
    }
}
.wy-menu.wy-menu-vertical {
    overflow-y: auto;
    overflow-x: hidden;
    max-height: calc(100% - 243px);
}
@media screen and (max-width: 768px) {
    .wy-nav-side {
        padding-bottom: 44px;
    }
    .wy-menu.wy-menu-vertical {
        overflow-y: initial;
        max-height: initial;
    }
    .wy-nav-content {
        min-height: calc(100vh - 64px);
        min-height: calc(100dvh - 64px);
    }
}

/* Scrollbar styling */
.wy-menu.wy-menu-vertical {
    scrollbar-color: var(--navbar-scrollbar-color) var(--navbar-scrollbar-background);
}
.wy-menu.wy-menu-vertical::-webkit-scrollbar {
    width: .75rem;
}
.wy-menu.wy-menu-vertical::-webkit-scrollbar-track {
    background-color: var(--navbar-scrollbar-background);
}
.wy-menu.wy-menu-vertical::-webkit-scrollbar-thumb {
    background-color: var(--navbar-scrollbar-color);
}
/* Firefox does the dimming on hover automatically. We emulate it for Webkit-based browsers. */
.wy-menu.wy-menu-vertical::-webkit-scrollbar-thumb:hover {
    background-color: var(--navbar-scrollbar-hover-color);
}
.wy-menu.wy-menu-vertical::-webkit-scrollbar-thumb:active {
    background-color: var(--navbar-scrollbar-active-color);
}

/* Misc tweaks */

.rst-columns {
    column-width: 18em;
}

.rst-content div.figure, .rst-content figure {
    text-align: center;
}

.wy-alert.wy-alert-danger {
    background-color: var(--admonition-danger-background-color);
}


dark-mode-toggle::part(fieldset) {
  padding-inline: 0.75rem;
  padding-block: 0;
}

dark-mode-toggle::part(darkLabel),
dark-mode-toggle::part(lightLabel),
dark-mode-toggle::part(toggleLabel){
  font-size: unset;
}

div.graphviz > object {
    filter: var(--graphviz-filter);
}

/* Sidebar */
.rst-content .sidebar {
    border-radius: 12px;
    padding: 0px;
    background: var(--admonition-note-background-color);
    color: var(--admonition-note-title-color);
    border-color: var(--admonition-note-title-background-color);
}

@media screen and (max-width: 480px) {
    .rst-content .sidebar {
        float: none;
        margin-left: 0;
    }
}

.rst-content .sidebar {
    color: var(--admonition-note-color);
}

.rst-content .sidebar .sidebar-title {
    font-family: var(--header-font-family);
    background: var(--admonition-note-title-background-color);
    color: var(--admonition-note-title-color);
    border-radius: 12px 12px 0px 0px;
    margin: 0px;
    text-align: center;
}

.rst-content .sidebar figure {
    padding: 1rem;
    margin-bottom: -1rem;
}

.rst-content .sidebar figure img {
    height: auto !important;
}

.rst-content .sidebar figure figcaption p {
    margin-bottom: 0px;
}

.rst-content .sidebar dl.field-list {
    align-items: center;
    margin-top: 12px !important;
    margin-bottom: 12px !important;
    grid-template-columns: auto 1fr !important;
    padding-right: 1em;
}

.rst-content .sidebar dl.field-list>dt {
    background: transparent !important;
}

.rst-content .sidebar dl.field-list>dd {
    margin-left: 1em;
    text-overflow: ellipsis;
    overflow: hidden;
}

.rst-content .sidebar dl.field-list>dd code {
    font-size: 0.9em;
}

/* Home page grid display */
.grid {
    list-style-type: none !important;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    margin: 1rem auto;
    max-width: calc((160px + 2rem) * 4);
}

.grid-item {
    list-style-type: none !important;
    -webkit-box-flex: 0;
        -ms-flex: 0 0 auto;
            flex: 0 0 auto;
    width: 150px;
    text-align: center;
    margin: 1rem;
}

.grid-item a {
    display: block;
    width: 150px;
    height: 150px;
    padding: 20px;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    -webkit-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    border-radius: 1rem;
    background: linear-gradient(135deg, #0070c5 0%, #5c13a5 100%);
    color: white;
}

.grid-item h2 {
    font-size: 1rem;
}

.grid-item img {
    margin-bottom: 1rem;
    max-width: 75%;
}

.grid-item a:hover {
    text-decoration: none;
}

.grid-item p {
    font-size: 0.9rem;
    margin-top: 0.5rem;
    color: var(--body-color);
    font-weight: 200;
    margin-left: -0.9em;
    margin-right: -0.9em;
    line-height: 1.4rem;
}

.grid-icon {
   line-height: 1.5;
   font-size: 3rem;
   color: white;
}

.lastupdated {
    font-weight: 200;
    font-size: 0.9rem;
}

/* Make actual document take all vertical space available so that footer is always at the bottom */

.rst-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.document {
    flex-grow: 1;
}

/* Custom search box, including search engine selection */

.search-container {
    position: relative;
}

#search-se-settings-icon {
    position: absolute;
    color: var(--body-color);
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    opacity: 0.8;
    padding: 10px;
}

#search-se-menu {
    display: none;
    position: absolute;
    font-size: 11px;
    background-color: var(--input-background-color);
    color: var(--body-color);
    right: 0px;
    top: 36px;
    border: solid 1px var(--body-color);
    border-radius: 10px;
    z-index: 1000;
}

#search-se-menu ul {
    list-style: none;
    margin: 0;
    padding: 2px;
}

#search-se-menu ul li {
    padding: 8px 12px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1em;
}

#search-se-menu [role="menuitemradio"]:focus {
    background-color: var(--navbar-current-background-color-hover);
    color: var(--navbar-level-1-color);
    border-radius: 10px;
}

#search-se-menu ul li .fa-check {
    display: none;
  }

  #search-se-menu ul li.selected .fa-check {
    display: inline;
  }

.doxygroup::after {
    content: 'Doxygen';
    display: inline-block;
    background-color: var(--admonition-note-title-background-color);
    color: var(--admonition-note-title-color);
    padding: 2px 8px;
    border-radius: 12px;
    margin-left: 8px;
    font-size: 0.875em;
    font-weight: bold;
}

.code-sample-list li {
    margin-bottom: 0.25em;
}
.code-sample-name {
    font-weight: bold;
    padding-right: 0.5em;
}

.code-sample-description {
    font-weight: 300;
}

.code-sample-description::before {
    content: '\F0A9'; /* arrow-circle-right */
    font-family: 'FontAwesome';
    padding-right: 0.5em;
}

li>a.code-sample-link.reference.internal {
    font-weight: 100;
}

li>a.code-sample-link.reference.internal.current {
    text-decoration: underline;
}