/* --- General --- */

body {
    font-family: "Lora", "Times New Roman", serif;
    font-size: 18px;
    color: #404040;
    position: relative;
    background: #fff;
    display: flex;
    flex-flow: column;
    height: 100vh;
}
@media (prefers-color-scheme: dark) {
    body {
        background: #2e2e2e;
        color: white;
    }
}
.container[role="main"] {
    margin-bottom: 50px;
    flex: 1 0 auto;
}

@media only screen and (max-width: 767px) {
    .container[role="main"] {
        margin-left: 0;
        margin-right: 0;
    }
}

p {
    line-height: 1.5;
    margin: 6px 0;
}
p + p {
    margin: 24px 0 6px 0;
}
p a {
    /* text-decoration: underline */
    color: #008aff;
}
@media (prefers-color-scheme: dark) {
    p a {
        color: #50afff;
    }
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 800;
}
a {
    color: #008aff;
}
@media (prefers-color-scheme: dark) {
    a {
        color: #50afff;
    }
}
a:hover,
a:focus {
    color: #0085a1;
}
blockquote {
    color: #808080;
    font-style: italic;
}
blockquote p:first-child {
    margin-top: 0;
}
@media (prefers-color-scheme: dark) {
    blockquote {
        border-left: 5px solid #444;
    }
}
hr.small {
    max-width: 100px;
    margin: 15px auto;
    border-width: 4px;
    border-color: inherit;
    border-radius: 3px;
    margin-left: 0;
    margin-right: auto;
    width: 50%;
}

.main-content {
    padding-top: 80px;
}
@media only screen and (min-width: 768px) {
    .main-content {
        padding-top: 130px;
    }
}

.main-explain-area {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    padding: 15px inherit;
}

.hideme {
    display: none;
}

div.panel-body a.list-group-item {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 800;
    border-radius: 0;
    border: none;
    font-size: 16px;
}
div.panel-group .panel {
    border-radius: 0;
}
div.panel-group .panel + .panel {
    margin-top: 0;
}

div.panel-body a.list-group-item.view-all {
    font-weight: 600;
}

::-moz-selection,
::selection {
    color: white;
    text-shadow: none;
    background: #0085a1;
}
img::selection,
img::-moz-selection {
    color: white;
    background: transparent;
}

img {
    display: block;
    margin: auto;
    max-width: 100%;
}
@media (prefers-color-scheme: dark) {
    figure:not(.dark) img,
    img.white {
        background-color: white;
    }
}

.img-title {
    width: 100%;
}

.disqus-comments {
    margin-top: 30px;
}

@media only screen and (min-width: 768px) {
    .disqus-comments {
        margin-top: 40px;
    }
}

#cusdis_thread {
    margin-top: 30px;
}

/* --- Navbar --- */

.navbar-custom {
    background: #f5f5f5;
    border-bottom: 1px solid #eaeaea;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
    .navbar-custom {
        background: #505050;
        border-bottom: 1px solid #aaa;
    }
}

.navbar-custom .nav li a {
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
}

.navbar-custom .navbar-brand,
.navbar-custom .nav li a {
    font-weight: 800;
    color: #404040;
}

@media (prefers-color-scheme: dark) {
    .navbar-custom .navbar-brand,
    .navbar-custom .nav li a {
        color: #b0b0b0;
    }
}

.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-brand:focus,
.navbar-custom .nav li a:hover,
.navbar-custom .nav li a:focus {
    color: #0085a1;
}

.navbar-custom .navbar-brand:hover,
.navbar-custom .navbar-brand:focus,
.navbar-custom .nav li a:hover,
.navbar-custom .nav li a:focus {
    @media (prefers-color-scheme: dark) {
        color: #b0e0ff;
    }
}

.navbar-custom .navbar-brand-logo {
    padding-top: 0;
    -webkit-transition: padding 0.5s ease-in-out;
    -moz-transition: padding 0.5s ease-in-out;
    transition: padding 0.5s ease-in-out;
}
.navbar-custom .navbar-brand-logo img {
    height: 50px;
    -webkit-transition: height 0.5s ease-in-out;
    -moz-transition: height 0.5s ease-in-out;
    transition: height 0.5s ease-in-out;
}
.navbar-custom.top-nav-short .navbar-brand-logo {
    padding-top: 5px;
}
.navbar-custom.top-nav-short .navbar-brand-logo img {
    height: 40px;
}

@media only screen and (min-width: 768px) {
    .navbar-custom {
        padding: 20px 0;
        -webkit-transition:
            background 0.5s ease-in-out,
            padding 0.5s ease-in-out;
        -moz-transition:
            background 0.5s ease-in-out,
            padding 0.5s ease-in-out;
        transition:
            background 0.5s ease-in-out,
            padding 0.5s ease-in-out;
    }

    .navbar-custom.top-nav-short {
        padding: 0;
    }
}

.navbar-custom .avatar-container {
    opacity: 1;
    visibility: visible;
    position: absolute;
    -webkit-transition:
        visibility 0.5s,
        opacity 0.5s ease-in-out;
    -moz-transition:
        visibility 0.5s,
        opacity 0.5s ease-in-out;
    transition:
        visibility 0.5s,
        opacity 0.5s ease-in-out;
    left: 50%;
    width: 50px;
    margin-top: -25px;
}
.navbar-custom .avatar-container .avatar-img-border {
    width: 100%;
    border-radius: 50%;
    margin-left: -50%;
    display: inline-block;
    /*box-shadow: 0 0 8px rgba(0, 0, 0, 0.8);
    -webkit-box-shadow: 0 0 5px rgba(0, 0, 0, 0.8);
    -moz-box-shadow: 0 0 8px rgba(0, 0, 0, 0.8);*/
}
.navbar-custom .avatar-container .avatar-img {
    width: 100%;
    border-radius: 50%;
    display: block;
}

.navbar-custom.top-nav-short .avatar-container {
    opacity: 0;
    visibility: hidden;
}

.navbar-custom.top-nav-expanded .avatar-container {
    display: none;
}

@media only screen and (min-width: 768px) {
    .navbar-custom .avatar-container {
        width: 100px;
        margin-top: -50px;
    }

    .navbar-custom .avatar-container .avatar-img-border {
        width: 100%;
        /*box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
        -webkit-box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);
        -moz-box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.8);*/
    }

    .navbar-custom .avatar-container .avatar-img {
        width: 100%;
    }
}

/* Multi-level navigation links */
.navbar-custom .nav .navlinks-container {
    position: relative;
}
.navbar-custom .nav .navlinks-parent:after {
    content: " \25BC";
}
.navbar-custom .nav .navlinks-children {
    width: 100%;
    display: none;
    word-break: break-word;
}
.navbar-custom .nav .navlinks-container .navlinks-children a {
    display: block;
    padding: 10px;
    padding-left: 30px;
    background: #f5f5f5;
    text-decoration: none !important;
    border-width: 0 1px 1px 1px;
    font-weight: normal;
}
@media only screen and (max-width: 767px) {
    .navbar-custom .nav .navlinks-container.show-children {
        background: #eee;
    }
    .navbar-custom .nav .navlinks-container.show-children .navlinks-children {
        display: block;
    }
}
@media only screen and (min-width: 768px) {
    .navbar-custom .nav .navlinks-container {
        text-align: center;
    }
    .navbar-custom .nav .navlinks-container:hover {
        background: #eee;
    }
    .navbar-custom .nav .navlinks-container:hover .navlinks-children {
        display: block;
    }
    .navbar-custom .nav .navlinks-children {
        position: absolute;
    }
    .navbar-custom .nav .navlinks-container .navlinks-children a {
        padding-left: 10px;
        border: 1px solid #eaeaea;
        border-width: 0 1px 1px;
    }
}
@media (prefers-color-scheme: dark) {
    .navbar-custom .nav .navlinks-container:hover {
        background: #666;
    }
    .navbar-custom .nav .navlinks-container .navlinks-children a {
        border: 1px solid #aaa;
    }
    .navbar-custom .nav .navlinks-container .navlinks-children a {
        background: #444;
    }
}

/* --- Footer --- */

footer {
    padding: 30px 0;
    background: #f5f5f5;
    border-top: 1px #eaeaea solid;
    margin-top: auto;
    font-size: 14px;
}

footer a {
    color: #404040;
}

footer .list-inline {
    margin: 0;
    padding: 0;
}
footer .copyright {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    text-align: center;
    margin-bottom: 0;
}
footer .theme-by {
    text-align: center;
    margin: 10px 0 0;
}

footer div.disclaimer {
    padding: 15px 15px 15px 10px;
    margin: 20px 20px 20px 5px;
    border: 1px solid #eee;
    border-left-width: 10px;
    border-right-width: 10px;
    border-radius: 5px 3px 3px 5px;
    background-color: #fdf5d4;
    border-left-color: #f1c40f;
    border-right-color: #f1c40f;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    text-align: center;
}

@media only screen and (min-width: 768px) {
    footer {
        padding: 50px 0;
    }
    footer .footer-links {
        font-size: 18px;
    }
    footer .copyright {
        font-size: 16px;
    }
}

@media (prefers-color-scheme: dark) {
    footer {
        background: #444;
        border-top: 1px #aaa solid;
    }
    footer a {
        color: #aaa;
    }
}

/* --- Post preview --- */

.post-preview {
    display: float;
    overflow: auto;
    padding: 20px 0;
    border-bottom: 1px solid #eee;
}
@media only screen and (min-width: 768px) {
    .post-preview {
        padding: 35px 0;
    }
}

.post-preview:last-child {
    border-bottom: 0;
}

.post-preview a {
    text-decoration: none;
    color: #404040;
}
@media (prefers-color-scheme: dark) {
    .post-preview a {
        color: #aaa;
    }
}

.post-preview a:focus,
.post-preview a:hover {
    text-decoration: none;
    color: #0085a1;
}

.post-preview .post-title {
    font-size: 30px;
    margin-top: 0;
}
.post-preview .post-subtitle {
    margin: 0;
    font-weight: 300;
    margin-bottom: 10px;
}
.post-preview .post-meta,
.post-heading .post-meta,
.page-meta {
    color: #808080;
    font-size: 18px;
    font-style: italic;
    margin: 0 0 10px;
}
.page-meta {
    align-self: center;
}
.post-preview .post-meta a,
.post-heading .post-meta a,
.page-meta a {
    color: #404040;
    text-decoration: none;
}
.post-preview .post-entry {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
}
.post-entry-container {
    display: inline-block;
    width: 100%;
}
.post-entry {
    width: 100%;
    margin-top: 10px;
}
.post-image {
    float: right;
    height: 192px;
    width: 192px;
    margin-top: -35px;
    filter: grayscale(90%);
}
.post-image:hover {
    filter: grayscale(0%);
}
.post-image img {
    border-radius: 100px;
    height: 192px;
    width: 192px;
}
.post-preview .post-read-more {
    font-weight: 800;
    float: right;
}

.tool-image {
    float: left;
    margin-right: 15px;
}
.tool-image img {
    max-width: 200px;
    height: auto;
    float: left;
    margin-right: 15px;
    margin-bottom: 10px;
}

@media only screen and (min-width: 768px) {
    .post-preview .post-title {
        font-size: 36px;
    }
}

/* --- Tags --- */

.blog-tags {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #999;
    font-size: 15px;
    margin-bottom: 30px;
}

.blog-tags:before {
    content: "Tags: ";
}

.blog-tags a {
    color: #008aff;
    text-decoration: none;
    padding: 0px 5px;
}

.blog-tags a:before {
    content: "#";
}

.blog-tags a:hover {
    border-radius: 2px;
    color: #008aff;
    background-color: #ccc;
}

.post-preview .blog-tags {
    margin-top: 5px;
    margin-bottom: 0;
}

@media only screen and (min-width: 768px) {
    .post-preview .blog-tags {
        margin-top: 10px;
    }
}

@media only screen and (max-width: 500px) {
    .post-image,
    .post-image img {
        height: 100px;
        width: 100px;
    }

    .post-image {
        width: 100%;
        text-align: center;
        margin-top: 0;
        float: left;
    }
}
/* --- Post and page headers --- */

.intro-header {
    margin: 80px 0 20px;
    position: relative;
}
.intro-header.big-img {
    background: no-repeat center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
    margin-top: 51px; /* The small navbar is 50px tall + 1px border */
    margin-bottom: 35px;
}
.intro-header.big-img .big-img-transition {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0;
    background: no-repeat center center;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
    -webkit-transition: opacity 1s linear;
    -moz-transition: opacity 1s linear;
    transition: opacity 1s linear;
}
.intro-header .page-heading,
.intro-header .tags-heading,
.intro-header .categories-heading {
    text-align: start;
}
.intro-header.big-img .page-heading,
.intro-header.big-img .post-heading {
    padding: 100px 0;
    color: #fff;
    text-shadow: 1px 1px 3px #000;
}
.intro-header .page-heading h1,
.intro-header .tags-heading h1,
.intro-header .categories-heading h1 {
    margin-top: 0;
    font-size: 50px;
}
.intro-header .post-heading h1 {
    margin-top: 0;
    font-size: 35px;
}
.intro-header .page-heading .page-subheading,
.intro-header .post-heading .post-subheading {
    font-size: 27px;
    line-height: 1.1;
    display: block;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-weight: 300;
    margin: 10px 0 0;
}
.intro-header .post-heading .post-subheading {
    margin-bottom: 20px;
}
.intro-header.big-img .page-heading .page-subheading,
.intro-header.big-img .post-heading .post-subheading {
    font-weight: 400;
}
.intro-header.big-img .page-heading hr {
    box-shadow: 1px 1px 3px #000;
    -webkit-box-shadow: 1px 1px 3px #000;
    -moz-box-shadow: 1px 1px 3px #000;
}
.intro-header.big-img .post-heading .post-meta {
    color: #eee;
}
.intro-header.big-img .img-desc {
    background: rgba(30, 30, 30, 0.6);
    position: absolute;
    padding: 5px 10px;
    font-size: 11px;
    color: #eee;
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    right: 0;
    bottom: 0;
    display: none;
}
@media only screen and (min-width: 768px) {
    .intro-header {
        margin-top: 130px;
    }
    .intro-header.big-img {
        margin-top: 91px; /* Full navbar is small navbar + 20px padding on each side when expanded */
    }
    .intro-header.big-img .page-heading,
    .intro-header.big-img .post-heading {
        padding: 150px 0;
    }
    .intro-header .page-heading h1,
    .intro-header .tags-heading h1,
    .intro-header .categories-heading h1 {
        font-size: 80px;
    }
    .intro-header .post-heading h1 {
        font-size: 50px;
    }
    .intro-header.big-img .img-desc {
        font-size: 14px;
    }
}

.header-section.has-img .no-img {
    margin-top: 0;
    margin: 0 0 40px;
    padding: 20px 0;
    box-shadow: 0 0 5px #aaa;
}
/* Many phones are 320 or 360px, so make sure images are a proper aspect ratio in those cases */
.header-section.has-img .intro-header.no-img {
    display: none;
}
@media only screen and (max-width: 365px) {
    .header-section.has-img .intro-header.no-img {
        display: block;
    }
    .intro-header.big-img {
        width: 100%;
        height: 220px;
    }
    .intro-header.big-img .page-heading,
    .intro-header.big-img .post-heading {
        display: none;
    }
    .header-section.has-img .big-img {
        margin-bottom: 0;
    }
}
@media only screen and (max-width: 325px) {
    .intro-header.big-img {
        height: 200px;
    }
}

.caption {
    text-align: center;
    font-size: 14px;
    padding: 10px;
    font-style: italic;
    margin: 0;
    display: block;
    border-bottom-right-radius: 5px;
    border-bottom-left-radius: 5px;
}

/* --- Pager --- */

.pager li a {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 10px 5px;
    background: #fff;
    border-radius: 0;
    color: #404040;
}
@media only screen and (min-width: 768px) {
    .pager li a {
        padding: 15px 25px;
    }
}
.pager li a:hover,
.pager li a:focus {
    color: #fff;
    background: #0085a1;
    border: 1px solid #0085a1;
}

@media (prefers-color-scheme: dark) {
    .pager li a {
        background: #444;
        color: white;
    }
}

.pager {
    margin: 10px 0 0;
}

.pager.blog-pager {
    margin-top: 10px;
}

h4.panel-title > span.badge {
    float: right;
}

@media only screen and (min-width: 768px) {
    .pager.blog-pager {
        margin-top: 40px;
    }
}

/* --- Tables --- */

table {
    padding: 0;
}
table tr {
    border-top: 1px solid #cccccc;
    background-color: #ffffff;
    margin: 0;
    padding: 0;
}
@media (prefers-color-scheme: dark) {
}
table tr:nth-child(2n) {
    background-color: #f8f8f8;
}
@media (prefers-color-scheme: dark) {
    table tr {
        background-color: #181818;
    }
    table tr:nth-child(2n) {
        background-color: #303030;
    }
}
table tr th {
    font-weight: bold;
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr td {
    border: 1px solid #cccccc;
    text-align: left;
    margin: 0;
    padding: 6px 13px;
}
table tr th :first-child,
table tr td :first-child {
    margin-top: 0;
}
table tr th :last-child,
table tr td :last-child {
    margin-bottom: 0;
}

/* --- Social media sharing section --- */

#social-share-section {
    margin-bottom: 30px;
}

/* --- Google Custom Search Engine Popup --- */
#modalSearch table tr,
#modalSearch table tr td,
#modalSearch table tr th {
    border: none;
}
.reset-box-sizing,
.reset-box-sizing *,
.reset-box-sizing *:before,
.reset-box-sizing *:after,
.gsc-inline-block {
    -webkit-box-sizing: content-box;
    -moz-box-sizing: content-box;
    box-sizing: content-box;
}
input.gsc-input,
.gsc-input-box,
.gsc-input-box-hover,
.gsc-input-box-focus,
.gsc-search-button {
    box-sizing: content-box;
    line-height: normal;
}

/* IPython split style */
div.splitbox {
    width: 100%;
    overflow: auto;
}

div.splitbox div.left {
    width: 48%;
    float: left;
}
div.splitbox div.right {
    width: 48%;
    float: right;
}

@media only screen and (max-width: 600px) {
    div.splitbox div.left {
        width: 100%;
        float: left;
    }
    div.splitbox div.right {
        width: 100%;
        float: left;
    }
}

/* Delayed Disqus */
.disqus-comments button {
    font-family: "Open Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
    text-transform: uppercase;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 1px;
    padding: 10px 5px;
    background: #fff;
    border-radius: 0;
    color: #404040;
}
@media only screen and (min-width: 768px) {
    .disqus-comments button {
        padding: 15px 25px;
    }
}
.disqus-comments button:hover,
.disqus-comments button:focus {
    color: #fff;
    background: #0085a1;
    border: 1px solid #0085a1;
}

/* Related posts */
h4.see-also {
    margin-top: 20px;
}

/* Sharing */
ul.share {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    list-style: none;
    margin: 0;
    padding: 0;
}
ul.share li {
    display: inline-flex;
    margin-right: 5px;
}
ul.share li:last-of-type {
    margin-right: 0;
}
ul.share li .fab {
    display: block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    text-align: center;
    transition: all 150ms ease-in-out;
    color: #fff;
}
ul.share li a {
    background-color: #b5c6ce;
    display: block;
    border-radius: 50%;
    text-decoration: none !important;
    margin: 0;
}
ul.share li:hover .fab {
    transform: scale(1.4);
}

/* Dark mode */
@media (prefers-color-scheme: dark) {
    code {
        background-color: #222;
        color: #fbb;
    }
    pre code {
        color: #ccc;
    }
    .well {
        background-color: #444;
    }
    .panel {
        background-color: #222;
    }
    .list-group-item {
        background-color: #333;
    }

    pre.chroma {
        color: white;
        background-color: #444;
    }
    pre.chroma .k {
        color: #44aacc;
    }
    pre.chroma .kt {
        color: #33cccc;
    }
    pre.chroma .o {
        color: #aaa;
    }
    pre.chroma .nb {
        color: #00fee9;
    }
    pre.chroma .ow {
        color: #cc0;
    }
}

/* --- Make long KaTeX equations scrollable in the x-axis --- */
.katex-display > .katex {
    overflow-x: auto;
    overflow-y: hidden;
}

.highlight {
    box-sizing: border-box;
    padding: 10px;
    position: relative;
}

.copyCodeButton {
    background-color: #f5f5f5;
    border: 1px solid #ccc;
    color: black;
    cursor: pointer;
    display: none;
    font-size: 14px;
    padding: 5px 10px;
    position: absolute;
    right: 10px;
    top: 10px;
    transition: background-color 0.3s ease;
    z-index: 10;
}

.highlight:hover .copyCodeButton {
    display: block;
}

.copyCodeButton:hover {
    background-color: #e0e0e0;
}