:root {
    --sidebar-width: 300px;
    --page-padding: 15px;
    --content-max-width: 750px;
}

.light {
    --bg: hsl(0, 0%, 100%);
    --fg: #333333;

    --sidebar-bg: #fafafa;
    --sidebar-fg: #364149;
    --sidebar-non-existant: #aaaaaa;
    --sidebar-active: #008cff;
    --sidebar-spacer: #f4f4f4;

    --scrollbar: #cccccc;

    --icons: #cccccc;
    --icons-hover: #005e85;

    --title: #555555;

    --links: #4183c4;

    --inline-code-color: #6e6b5e;

    --theme-popup-bg: #fafafa;
    --theme-popup-border: #cccccc;
    --theme-hover: #e6e6e6;

    --quote-bg: hsl(197, 37%, 96%);
    --quote-border: hsl(197, 37%, 91%);

    --table-border-color: hsl(0, 0%, 95%);
    --table-header-bg: hsl(0, 0%, 80%);
    --table-alternate-bg: hsl(0, 0%, 97%);

    --searchbar-border-color: #aaa;
    --searchbar-bg: #fafafa;
    --searchbar-fg: #000;
    --searchbar-shadow-color: #aaa;
    --searchresults-header-fg: #666;
    --searchresults-border-color: #888;
    --searchresults-li-bg: #e4f2fe;
    --search-mark-bg: #a2cff5;
}

html {
    font-family: "Open Sans", sans-serif;
    color: var(--fg);
    background-color: var(--bg);
    text-size-adjust: none;
}

body {
    margin: 0;
    font-size: 1rem;
    overflow-x: hidden;
}

code {
    font-family: "Source Code Pro", Consolas, "Ubuntu Mono", Menlo, "DejaVu Sans Mono", monospace, monospace;
    font-size: 0.875em; /* please adjust the ace font size accordingly in editor.js */
}

.left { float: left; }
.right { float: right; }
.hidden { display: none; }
.play-button.hidden { display: none; }

h1     { margin-top: 1em; }
h2, h3 { margin-top: 0.8em; }
h4, h5 { margin-top: 0.6em; }

.header + .header h3,
.header + .header h4,
.header + .header h5 {
    margin-top: 1em;
}

a.header:target h1:before,
a.header:target h2:before,
a.header:target h3:before,
a.header:target h4:before {
    display: inline-block;
    content: "»";
    margin-left: -30px;
    width: 30px;
}

.page {
    outline: 0;
    padding: 0 var(--page-padding);
}
.page-wrapper {
    box-sizing: border-box;
}
.js .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);
}
.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);
}
.content .header:link,
.content .header:visited:hover {
    text-decoration: none;
}

table {
    margin: 0 auto;
    border-collapse: collapse;
}
table td {
    padding: 3px 20px;
    border: 1px var(--table-border-color) solid;
}
table thead {
    background: var(--table-header-bg);
}
table thead td {
    font-weight: 700;
    border: none;
}
table thead tr {
    border: 1px var(--table-header-bg) solid;
}
/* Alternate background colors for rows */
table tbody tr:nth-child(2n) {
    background: var(--table-alternate-bg);
}


blockquote {
    margin: 20px 0;
    padding: 0 20px;
    color: var(--fg);
    background-color: var(--quote-bg);
    border-top: .1em solid var(--quote-border);
    border-bottom: .1em solid var(--quote-border);
}


: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;
}

::-webkit-scrollbar {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--scrollbar);
}

#searchresults a,
.content a:link,
a:visited,
a > .hljs {
    color: var(--links);
}

/* Menu Bar */

#menu-bar {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    z-index: 101;
    margin: auto calc(0px - var(--page-padding));
}
#menu-bar > #menu-bar-sticky-container {
    display: flex;
    flex-wrap: wrap;
    background-color: var(--bg);
    border-bottom-color: var(--bg);
    border-bottom-width: 1px;
    border-bottom-style: solid;
}
.js #menu-bar > #menu-bar-sticky-container {
    transition: transform 0.3s;
}
#menu-bar.bordered > #menu-bar-sticky-container  {
    border-bottom-color: var(--table-border-color);
}
#menu-bar i, #menu-bar .icon-button {
    position: relative;
    padding: 0 8px;
    z-index: 10;
    line-height: 50px;
    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;
}

html:not(.sidebar-visible) #menu-bar:not(:hover).folded > #menu-bar-sticky-container {
    transform: translateY(-60px);
}

.left-buttons {
    display: flex;
    margin: 0 5px;
}
.no-js .left-buttons {
    display: none;
}

.menu-title {
    display: inline-block;
    font-weight: 200;
    font-size: 20px;
    line-height: 50px;
    text-align: center;
    margin: 0;
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--title);
}
.js .menu-title {
    cursor: pointer;
}

.menu-title .sub-title,
.menu-title .date {
    margin-left: 20px;
    font-size: small;
}

.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: 50px; /* Height of menu-bar */
    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;
}

.nav-chapters:hover { text-decoration: none; }

.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-block;
    vertical-align: middle;
    padding: 0.1em 0.3em;
    border-radius: 3px;
    color: var(--inline-code-color);
}

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;
}

/* Sidebar */

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
    overflow-y: auto;
    padding: 10px 10px;
    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);
}
.js .sidebar {
    transition: transform 0.3s; /* Animation: slide away */
}
.sidebar code {
    line-height: 2em;
}
.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);
    }
}

.toc ul {
    list-style: none outside none;
    padding-left: 0;
    line-height: 2.2em;
}
.toc ul li {
    color: var(--sidebar-non-existant);
}
.toc ul li a {
    color: var(--sidebar-fg);
    display: block;
    padding: 0;
    text-decoration: none;
}
.toc ul li a:hover { text-decoration: none }
.toc ul li .active, .toc ul li a:hover {
    /* Animate color change */
    color: var(--sidebar-active);
}

.spacer {
    width: 100%;
    height: 3px;
    margin: 5px 0px;
}
.toc .spacer {
    background-color: var(--sidebar-spacer);
}

.toc-section-number {
    font-weight: bold;
}

@media (-moz-touch-enabled: 1), (pointer: coarse) {
    .toc ul li a { padding: 5px 0; }
    .spacer { margin: 10px 0; }
}

.toc ul ul {
    list-style: none outside none;
    padding-left: 20px;
    line-height: 1.9em;
}

.section {
    list-style: none outside none;
    padding-left: 20px;
    line-height: 1.9em;
}

/* Theme Menu Popup */

.theme-popup {
    position: absolute;
    left: 10px;
    top: 50px;
    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;
}