From 9a324f337a2705e68035a356ad6b626ee4c6669b Mon Sep 17 00:00:00 2001
From: Em Zhan
Date: Sun, 9 Jul 2023 12:20:38 -0500
Subject: docs: Update mdBook theme and improve maintainability (#7524)

---
 book/theme/css/chrome.css    | 499 -------------------------------------------
 book/theme/css/general.css   | 233 --------------------
 book/theme/css/print.css     |  54 -----
 book/theme/css/variables.css | 411 -----------------------------------
 4 files changed, 1197 deletions(-)
 delete mode 100644 book/theme/css/chrome.css
 delete mode 100644 book/theme/css/general.css
 delete mode 100644 book/theme/css/print.css
 delete mode 100644 book/theme/css/variables.css

(limited to 'book/theme/css')

diff --git a/book/theme/css/chrome.css b/book/theme/css/chrome.css
deleted file mode 100644
index 4e051317..00000000
--- a/book/theme/css/chrome.css
+++ /dev/null
@@ -1,499 +0,0 @@
-/* CSS for UI elements (a.k.a. chrome) */
-
-@import 'variables.css';
-
-::-webkit-scrollbar {
-    background: var(--bg);
-}
-::-webkit-scrollbar-thumb {
-    background: var(--scrollbar);
-}
-html {
-    scrollbar-color: var(--scrollbar) var(--bg);
-}
-#searchresults a,
-.content a:link,
-a:visited,
-a > .hljs {
-    color: var(--links);
-}
-.content a:hover {
-    text-decoration: underline;
-}
-
-/* Menu Bar */
-
-#menu-bar,
-#menu-bar-hover-placeholder {
-    z-index: 101;
-    margin: auto calc(0px - var(--page-padding));
-}
-#menu-bar {
-    position: relative;
-    display: flex;
-    flex-wrap: wrap;
-    background-color: var(--bg);
-    border-bottom-color: var(--bg);
-    border-bottom-width: 1px;
-    border-bottom-style: solid;
-}
-#menu-bar.sticky,
-.js #menu-bar-hover-placeholder:hover + #menu-bar,
-.js #menu-bar:hover,
-.js.sidebar-visible #menu-bar {
-    position: -webkit-sticky;
-    position: sticky;
-    top: 0 !important;
-}
-#menu-bar-hover-placeholder {
-    position: sticky;
-    position: -webkit-sticky;
-    top: 0;
-    height: var(--menu-bar-height);
-}
-#menu-bar.bordered {
-    border-bottom-color: var(--table-border-color);
-}
-#menu-bar i, #menu-bar .icon-button {
-    position: relative;
-    padding: 0 8px;
-    z-index: 10;
-    line-height: var(--menu-bar-height);
-    cursor: pointer;
-    transition: color 0.5s;
-}
-@media only screen and (max-width: 420px) {
-    #menu-bar i, #menu-bar .icon-button {
-        padding: 0 5px;
-    }
-}
-
-.icon-button {
-    border: none;
-    background: none;
-    padding: 0;
-    color: inherit;
-}
-.icon-button i {
-    margin: 0;
-}
-
-.right-buttons {
-    margin: 0 15px;
-}
-.right-buttons a {
-    text-decoration: none;
-}
-
-.left-buttons {
-    display: flex;
-    margin: 0 5px;
-}
-.no-js .left-buttons {
-    display: none;
-}
-
-.menu-title {
-    display: inline-block;
-    font-weight: 200;
-    font-size: 2.4rem;
-    line-height: var(--menu-bar-height);
-    text-align: center;
-    margin: 0;
-    flex: 1;
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-.js .menu-title {
-    cursor: pointer;
-}
-
-.menu-bar,
-.menu-bar:visited,
-.nav-chapters,
-.nav-chapters:visited,
-.mobile-nav-chapters,
-.mobile-nav-chapters:visited,
-.menu-bar .icon-button,
-.menu-bar a i {
-    color: var(--icons);
-}
-
-.menu-bar i:hover,
-.menu-bar .icon-button:hover,
-.nav-chapters:hover,
-.mobile-nav-chapters i:hover {
-    color: var(--icons-hover);
-}
-
-/* Nav Icons */
-
-.nav-chapters {
-    font-size: 2.5em;
-    text-align: center;
-    text-decoration: none;
-
-    position: fixed;
-    top: 0;
-    bottom: 0;
-    margin: 0;
-    max-width: 150px;
-    min-width: 90px;
-
-    display: flex;
-    justify-content: center;
-    align-content: center;
-    flex-direction: column;
-
-    transition: color 0.5s, background-color 0.5s;
-}
-
-.nav-chapters:hover {
-    text-decoration: none;
-    background-color: var(--theme-hover);
-    transition: background-color 0.15s, color 0.15s;
-}
-
-.nav-wrapper {
-    margin-top: 50px;
-    display: none;
-}
-
-.mobile-nav-chapters {
-    font-size: 2.5em;
-    text-align: center;
-    text-decoration: none;
-    width: 90px;
-    border-radius: 5px;
-    background-color: var(--sidebar-bg);
-}
-
-.previous {
-    float: left;
-}
-
-.next {
-    float: right;
-    right: var(--page-padding);
-}
-
-@media only screen and (max-width: 1080px) {
-    .nav-wide-wrapper { display: none; }
-    .nav-wrapper { display: block; }
-}
-
-@media only screen and (max-width: 1380px) {
-    .sidebar-visible .nav-wide-wrapper { display: none; }
-    .sidebar-visible .nav-wrapper { display: block; }
-}
-
-/* Inline code */
-
-:not(pre) > .hljs {
-    display: inline;
-    padding: 0.1em 0.3em;
-    border-radius: 3px;
-}
-
-:not(pre):not(a):not(td):not(p) > .hljs {
-    color: var(--inline-code-color);
-    overflow-x: initial;
-}
-
-a:hover > .hljs {
-    text-decoration: underline;
-}
-
-pre {
-    position: relative;
-}
-pre > .buttons {
-    position: absolute;
-    z-index: 100;
-    right: 5px;
-    top: 5px;
-
-    color: var(--sidebar-fg);
-    cursor: pointer;
-}
-pre > .buttons :hover {
-    color: var(--sidebar-active);
-}
-pre > .buttons i {
-    margin-left: 8px;
-}
-pre > .buttons button {
-    color: inherit;
-    background: transparent;
-    border: none;
-    cursor: inherit;
-}
-pre > .result {
-    margin-top: 10px;
-}
-
-/* Search */
-
-#searchresults a {
-    text-decoration: none;
-}
-
-mark {
-    border-radius: 2px;
-    padding: 0 3px 1px 3px;
-    margin: 0 -3px -1px -3px;
-    background-color: var(--search-mark-bg);
-    transition: background-color 300ms linear;
-    cursor: pointer;
-}
-
-mark.fade-out {
-    background-color: rgba(0,0,0,0) !important;
-    cursor: auto;
-}
-
-.searchbar-outer {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-}
-
-#searchbar {
-    width: 100%;
-    margin: 5px auto 0px auto;
-    padding: 10px 16px;
-    transition: box-shadow 300ms ease-in-out;
-    border: 1px solid var(--searchbar-border-color);
-    border-radius: 3px;
-    background-color: var(--searchbar-bg);
-    color: var(--searchbar-fg);
-}
-#searchbar:focus,
-#searchbar.active {
-    box-shadow: 0 0 3px var(--searchbar-shadow-color);
-}
-
-.searchresults-header {
-    font-weight: bold;
-    font-size: 1em;
-    padding: 18px 0 0 5px;
-    color: var(--searchresults-header-fg);
-}
-
-.searchresults-outer {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-    border-bottom: 1px dashed var(--searchresults-border-color);
-}
-
-ul#searchresults {
-    list-style: none;
-    padding-left: 20px;
-}
-ul#searchresults li {
-    margin: 10px 0px;
-    padding: 2px;
-    border-radius: 2px;
-}
-ul#searchresults li.focus {
-    background-color: var(--searchresults-li-bg);
-}
-ul#searchresults span.teaser {
-    display: block;
-    clear: both;
-    margin: 5px 0 0 20px;
-    font-size: 0.8em;
-}
-ul#searchresults span.teaser em {
-    font-weight: bold;
-    font-style: normal;
-}
-
-/* Sidebar */
-
-.sidebar {
-    position: fixed;
-    left: 0;
-    top: 0;
-    bottom: 0;
-    width: var(--sidebar-width);
-    font-size: 0.875em;
-    box-sizing: border-box;
-    -webkit-overflow-scrolling: touch;
-    overscroll-behavior-y: contain;
-    background-color: var(--sidebar-bg);
-    color: var(--sidebar-fg);
-}
-.sidebar-resizing {
-    -moz-user-select: none;
-    -webkit-user-select: none;
-    -ms-user-select: none;
-    user-select: none;
-}
-.js:not(.sidebar-resizing) .sidebar {
-    transition: transform 0.3s; /* Animation: slide away */
-}
-.sidebar code {
-    line-height: 2em;
-}
-.sidebar .sidebar-scrollbox {
-    overflow-y: auto;
-    position: absolute;
-    top: 0;
-    bottom: 0;
-    left: 0;
-    right: 0;
-}
-.sidebar .sidebar-resize-handle {
-    position: absolute;
-    cursor: col-resize;
-    width: 0;
-    right: 0;
-    top: 0;
-    bottom: 0;
-}
-.js .sidebar .sidebar-resize-handle {
-    cursor: col-resize;
-    width: 5px;
-}
-.sidebar-hidden .sidebar {
-    transform: translateX(calc(0px - var(--sidebar-width)));
-}
-.sidebar::-webkit-scrollbar {
-    background: var(--sidebar-bg);
-}
-.sidebar::-webkit-scrollbar-thumb {
-    background: var(--scrollbar);
-}
-
-.sidebar-visible .page-wrapper {
-    transform: translateX(var(--sidebar-width));
-}
-@media only screen and (min-width: 620px) {
-    .sidebar-visible .page-wrapper {
-        transform: none;
-        margin-left: var(--sidebar-width);
-    }
-}
-
-.chapter {
-    list-style: none outside none;
-    padding-left: 0;
-    margin: .25rem 0;
-}
-
-.chapter ol {
-    width: 100%;
-}
-
-.chapter li {
-    display: flex;
-    color: var(--sidebar-non-existent);
-}
-.chapter li a {
-    display: block;
-    text-decoration: none;
-    color: var(--sidebar-fg);
-}
-
-.chapter li a:hover {
-    color: var(--sidebar-active);
-}
-
-.chapter li a.active {
-    color: var(--sidebar-active);
-}
-
-.chapter li > a.toggle {
-    cursor: pointer;
-    display: block;
-    margin-left: auto;
-    padding: 0 10px;
-    user-select: none;
-    opacity: 0.68;
-}
-
-.chapter li > a.toggle div {
-    transition: transform 0.5s;
-}
-
-/* collapse the section */
-.chapter li:not(.expanded) + li > ol {
-    display: none;
-}
-
-.chapter li.chapter-item {
-    padding: 1rem 1.5rem;
-}
-
-.chapter .section li.chapter-item {
-    padding: .5rem .5rem 0 .5rem;
-}
-
-.chapter li.expanded > a.toggle div {
-    transform: rotate(90deg);
-}
-
-.spacer {
-    width: 100%;
-    height: 3px;
-    margin: 5px 0px;
-}
-.chapter .spacer {
-    background-color: var(--sidebar-spacer);
-}
-
-@media (-moz-touch-enabled: 1), (pointer: coarse) {
-    .chapter li a { padding: 5px 0; }
-    .spacer { margin: 10px 0; }
-}
-
-.section {
-    list-style: none outside none;
-    padding-left: 2rem;
-    line-height: 1.9em;
-}
-
-/* Theme Menu Popup */
-
-.theme-popup {
-    position: absolute;
-    left: 10px;
-    top: var(--menu-bar-height);
-    z-index: 1000;
-    border-radius: 4px;
-    font-size: 0.7em;
-    color: var(--fg);
-    background: var(--theme-popup-bg);
-    border: 1px solid var(--theme-popup-border);
-    margin: 0;
-    padding: 0;
-    list-style: none;
-    display: none;
-}
-.theme-popup .default {
-    color: var(--icons);
-}
-.theme-popup .theme {
-    width: 100%;
-    border: 0;
-    margin: 0;
-    padding: 2px 10px;
-    line-height: 25px;
-    white-space: nowrap;
-    text-align: left;
-    cursor: pointer;
-    color: inherit;
-    background: inherit;
-    font-size: inherit;
-}
-.theme-popup .theme:hover {
-    background-color: var(--theme-hover);
-}
-.theme-popup .theme:hover:first-child,
-.theme-popup .theme:hover:last-child {
-    border-top-left-radius: inherit;
-    border-top-right-radius: inherit;
-}
diff --git a/book/theme/css/general.css b/book/theme/css/general.css
deleted file mode 100644
index 9b280d08..00000000
--- a/book/theme/css/general.css
+++ /dev/null
@@ -1,233 +0,0 @@
-/* Base styles and content styles */
-
-@import 'variables.css';
-
-:root {
-    /* Browser default font-size is 16px, this way 1 rem = 10px */
-    font-size: 62.5%;
-}
-
-/* TODO: replace with self hosted fonts */
-
-html {
-    font-family: "Inter", sans-serif;
-    color: var(--fg);
-    background-color: var(--bg);
-    text-size-adjust: none;
-}
-
-/* @supports (font-variation-settings: normal) { */
-/*   html { font-family: 'Inter var', sans-serif; } */
-/* } */
-
-body {
-    margin: 0;
-    font-size: 1.6rem;
-    overflow-x: hidden;
-}
-
-code {
-    font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace !important;
-    font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
-}
-
-/* Don't change font size in headers. */
-h1 code, h2 code, h3 code, h4 code, h5 code, h6 code {
-    font-size: unset;
-}
-
-.left { float: left; }
-.right { float: right; }
-.boring { opacity: 0.6; }
-.hide-boring .boring { display: none; }
-.hidden { display: none !important; }
-
-h2, h3 { margin-top: 2.5em; }
-h4, h5 { margin-top: 2em; }
-
-.header + .header h3,
-.header + .header h4,
-.header + .header h5 {
-    margin-top: 1em;
-}
-
-h1:target::before,
-h2:target::before,
-h3:target::before,
-h4:target::before,
-h5:target::before,
-h6:target::before {
-    display: inline-block;
-    content: "»";
-    margin-left: -30px;
-    width: 30px;
-}
-
-/* This is broken on Safari as of version 14, but is fixed
-   in Safari Technology Preview 117 which I think will be Safari 14.2.
-   https://bugs.webkit.org/show_bug.cgi?id=218076
-*/
-:target {
-    scroll-margin-top: calc(var(--menu-bar-height) + 0.5em);
-}
-
-.page {
-    outline: 0;
-    padding: 0 var(--page-padding);
-    margin-top: calc(0px - var(--menu-bar-height)); /* Compensate for the #menu-bar-hover-placeholder */
-}
-.page-wrapper {
-    box-sizing: border-box;
-}
-.js:not(.sidebar-resizing) .page-wrapper {
-    transition: margin-left 0.3s ease, transform 0.3s ease; /* Animation: slide away */
-}
-
-.content {
-    overflow-y: auto;
-    padding: 0 15px;
-    padding-bottom: 50px;
-}
-.content main {
-    margin-left: auto;
-    margin-right: auto;
-    max-width: var(--content-max-width);
-}
-
-
-/* 2 1.75 1.5 1.25 1 .875 */
-
-.content h1 { font-size: 2em }
-.content h2 { font-size: 1.75em }
-.content h3 { font-size: 1.5em }
-.content h4 { font-size: 1.25em }
-.content h5 { font-size: 1em }
-.content h6 { font-size: .875em }
-
-.content h1, .content h2, .content h3, .content h4 {
-    font-weight: 500;
-    margin-top: 1.275em;
-    margin-bottom: .875em;
-}
-.content p, .content ol, .content ul, .content table {
-    margin-top: 0;
-    margin-bottom: .875em;
-}
-
-.content ul li {
-margin-bottom: .25rem;
-}
-.content ul {
-    list-style-type: square;
-}
-.content ul ul, .content ol ul {
-    margin-bottom: .5rem;
-}
-.content li p {
-    margin-bottom: .5em;
-}
-
-.content p { line-height: 1.45em; }
-.content ol { line-height: 1.45em; }
-.content ul { line-height: 1.45em; }
-.content a { text-decoration: none; }
-.content a:hover { text-decoration: underline; }
-.content img { max-width: 100%; }
-.content .header:link,
-.content .header:visited {
-    color: var(--fg);
-    color: var(--heading-fg);
-}
-.content .header:link,
-.content .header:visited:hover {
-    text-decoration: none;
-}
-
-table {
-    margin: 0 auto;
-    border-collapse: collapse;
-    width: 100%;
-}
-table td {
-    padding: .75rem;
-    width: auto;
-}
-table thead {
-    background: var(--table-header-bg);
-}
-table thead td {
-    font-weight: 700;
-    border: none;
-}
-table thead th {
-    padding: .75rem;
-    text-align: left;
-    font-weight: 500;
-    line-height: 1.5;
-    width: auto;
-}
-table thead tr {
-    border-bottom: 2px var(--table-border-color) solid;
-}
-table tbody tr {
-    border-bottom: 1px var(--table-border-line) solid;
-}
-/* Alternate background colors for rows */
-table tbody tr:nth-child(2n) {
-    /* background: var(--table-alternate-bg); */
-}
-
-
-blockquote {
-    margin: 1.5rem 0;
-    padding: 1rem 1.5rem;
-    color: var(--fg);
-    opacity: .9;
-    background-color: var(--quote-bg);
-    border-left: 4px solid var(--quote-border);
-}
-blockquote *:last-child {
-  margin-bottom: 0;
-}
-
-
-:not(.footnote-definition) + .footnote-definition,
-.footnote-definition + :not(.footnote-definition) {
-    margin-top: 2em;
-}
-.footnote-definition {
-    font-size: 0.9em;
-    margin: 0.5em 0;
-}
-.footnote-definition p {
-    display: inline;
-}
-
-.tooltiptext {
-    position: absolute;
-    visibility: hidden;
-    color: #fff;
-    background-color: #333;
-    transform: translateX(-50%); /* Center by moving tooltip 50% of its width left */
-    left: -8px; /* Half of the width of the icon */
-    top: -35px;
-    font-size: 0.8em;
-    text-align: center;
-    border-radius: 6px;
-    padding: 5px 8px;
-    margin: 5px;
-    z-index: 1000;
-}
-.tooltipped .tooltiptext {
-    visibility: visible;
-}
-
-.chapter li.part-title {
-    color: var(--sidebar-fg);
-    margin: 5px 0px;
-    font-weight: bold;
-}
-
-.result-no-output {
-    font-style: italic;
-}
diff --git a/book/theme/css/print.css b/book/theme/css/print.css
deleted file mode 100644
index 5e690f75..00000000
--- a/book/theme/css/print.css
+++ /dev/null
@@ -1,54 +0,0 @@
-
-#sidebar,
-#menu-bar,
-.nav-chapters,
-.mobile-nav-chapters {
-    display: none;
-}
-
-#page-wrapper.page-wrapper {
-    transform: none;
-    margin-left: 0px;
-    overflow-y: initial;
-}
-
-#content {
-    max-width: none;
-    margin: 0;
-    padding: 0;
-}
-
-.page {
-    overflow-y: initial;
-}
-
-code {
-    background-color: #666666;
-    border-radius: 5px;
-
-    /* Force background to be printed in Chrome */
-    -webkit-print-color-adjust: exact;
-}
-
-pre > .buttons {
-    z-index: 2;
-}
-
-a, a:visited, a:active, a:hover {
-    color: #4183c4;
-    text-decoration: none;
-}
-
-h1, h2, h3, h4, h5, h6 {
-    page-break-inside: avoid;
-    page-break-after: avoid;
-}
-
-pre, code {
-    page-break-inside: avoid;
-    white-space: pre-wrap;
-}
-
-.fa {
-    display: none !important;
-}
diff --git a/book/theme/css/variables.css b/book/theme/css/variables.css
deleted file mode 100644
index 5d0978cc..00000000
--- a/book/theme/css/variables.css
+++ /dev/null
@@ -1,411 +0,0 @@
-
-/* Globals */
-
-:root {
-    --sidebar-width: 300px;
-    --page-padding: 15px;
-    --content-max-width: 750px;
-    --menu-bar-height: 50px;
-}
-
-/* Themes */
-
-.ayu {
-    --bg: hsl(210, 25%, 8%);
-    --fg: #c5c5c5;
-
-    --sidebar-bg: #14191f;
-    --sidebar-fg: #c8c9db;
-    --sidebar-non-existent: #5c6773;
-    --sidebar-active: #ffb454;
-    --sidebar-spacer: #2d334f;
-
-    --scrollbar: var(--sidebar-fg);
-
-    --icons: #737480;
-    --icons-hover: #b7b9cc;
-
-    --links: #0096cf;
-
-    --inline-code-color: #ffb454;
-
-    --theme-popup-bg: #14191f;
-    --theme-popup-border: #5c6773;
-    --theme-hover: #191f26;
-
-    --quote-bg: hsl(226, 15%, 17%);
-    --quote-border: hsl(226, 15%, 22%);
-
-    --table-border-color: hsl(210, 25%, 13%);
-    --table-header-bg: hsl(210, 25%, 28%);
-    --table-alternate-bg: hsl(210, 25%, 11%);
-
-    --searchbar-border-color: #848484;
-    --searchbar-bg: #424242;
-    --searchbar-fg: #fff;
-    --searchbar-shadow-color: #d4c89f;
-    --searchresults-header-fg: #666;
-    --searchresults-border-color: #888;
-    --searchresults-li-bg: #252932;
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-- 
cgit v1.2.3-70-g09d2