sphinx-book-theme.scss

/*********************************************
* Variables *
*********************************************/
// Breakpoints from Bootstrap: https://getbootstrap.com/docs/4.1/layout/overview/#responsive-breakpoints
$breakpoint-xxl: 1500px;  // Custom one
$breakpoint-xl: 1200px;
$breakpoint-lg: 992px;
$breakpoint-md: 768px;
$breakpoint-sm: 576px;

// Colors
$non-content-grey: #5a5a5a;

/*********************************************
* Whole page *
*********************************************/

$topbar-height: 3em;

body {
    padding-top: 0px !important;
    img {
        max-width: 100%;
    }
}

code {
    font-size: 87.5% !important;
}

/*********************************************
* Main body *
*********************************************/

// Custom XXL breakpoint
@media (min-width: $breakpoint-xxl) {
    .col-xxl-7 {
        flex: 0 0 61% !important;
        max-width: 61% !important;
        position: relative !important;
        width: 100% !important;
        padding-right: 15px !important;
        padding-left: 15px !important;
    }
}

// If the sidebar is collapsed, our main content should expand fully
div.bd-sidebar.collapse:not(.show) + main.bd-content {
    @media (max-width: $breakpoint-xxl) {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

main.bd-content {
    padding-top: $topbar-height !important;
    padding-bottom: 0px !important;

    // CSS unique to a single page
    &.single-page {
        max-width: 1100px;
        margin-left: auto;
        margin-right: auto;

        // Page title styling
        div#main-content div.section:first-of-type > h1:first-of-type {
            border-bottom: 1px solid #130654;
            padding-bottom: .2em;
            font-size: 3em;
        }
    }

    #main-content {
        // Content links and link color
        a.headerlink {
            opacity: 0;
            margin-left: .2em;

            &:hover {
                background-color: transparent;
                color: #0071bc;
                opacity: 1 !important;
            }
        }

        a, a:visited {
            color: #0071bc;
        }

        h1, h2, h3, h4, h5 {
            color: black;
            &:hover a.headerlink {
                opacity: .5;
            }
            // Make sure titles don't become hyperlink color when there are labels
            a.toc-backref {
                color: inherit;
            }
        }

        div.section {
            padding-right: 1em;
            overflow: visible !important;  // So that sidebars don't cause a scroll

            // List styles to avoid too much whitespace
            ul, ol {
                p {
                    margin-bottom: 0;
                }
            }
        }

        // Math equations
        span.eqno {
            float: right;
            margin: 1em 0em;
            font-size: 1.2em;
        }

        // Figures
        div.figure {
            width: 100%;
            margin-bottom: 1em;
            text-align: center;

            &.align-left {
                text-align: left;
                p.caption {
                    margin-left: 0;
                }
            }
            &.align-right {
                text-align: right;
                p.caption {
                    margin-right: 0;
                }
            }

            p.caption {
                margin: .5em 10%;
            }

            &.margin, &.margin-caption {
                p.caption {
                    margin: .5em 0;
                }
            }

            &.margin-caption p.caption {
                text-align: left;
            }

            span.caption-number {
                font-weight: bold;
            }

            span {
                font-size: .9em;
            }
        }

        // Admonitions
        div.alert {
            padding-bottom: .75em;  // Overriding an override

            p.admonition-title {
                margin-bottom: .2em;
                font-size: 1.1em;

                &::after {
                    font-family: "Font Awesome 5 Free";
                    margin-left: 0.5em;
                    font-weight: 900;
                    // Default content is exclamation point
                    content: "\f06a";
                }
            }

            &.alert-warning p.admonition-title::after {
                content: "\f071";
                color: red;
            }
        }

        // Glossaries
        dl.glossary {
            dd {
                margin-left: 1.5em;
            }
        }

        // Table of contents
        div.contents p.topic-title {
            font-size: 1.5em;
            padding: .5em 0 0 1em;
        }

        // Misc text and directives
        p.centered {
            text-align: center;
        }

        // Tables from sphinx-tabs

        div.sphinx-tabs > div.menu > a.item {
            width: auto;
            margin: 0;
        }
    }
}

// Cell-specific controls
div.cell {

    div.cell_output {
        padding-right: 0;
    }

    &.tag_output_scroll {
        div.cell_output {
            max-height: 24em;
            overflow-y: auto;
        }
    }
}

// Margin and content-sidebar rules
// Need to add a few specifics for `tag_` because these won't have a parent `.sidebar` class
div.sidebar, div.margin, div.margin-caption p.caption, .cell.tag_popout, .cell.tag_margin {
    width: 40%;
    float: right;
    border-left: 1px #a4a6a7 solid;
    margin-left: 0.5em;
    padding: .2em 0 .2em 1em;

    p {
        margin-bottom: 0;
    }

    p.sidebar-title {
        font-weight: bold;
        font-size: 1.2em;
    }
}


// Right margin CSS, largely copied from https://edwardtufte.github.io/tufte-css/
// 992px is the L breakpoint in bootstrap
@media (min-width: $breakpoint-md) {
    div.cell.tag_popout, div.cell.tag_margin, div.margin, div.margin-caption p.caption {
        border: none;
        clear: right;
        width: 31% !important;
        margin: 0 -35% 0 0 !important;
        padding: 0 !important;
        font-size: 0.9rem;
        line-height: 1.3;
        vertical-align: baseline;
        position: relative;

        p {
            margin-bottom: .5em;

            &.sidebar-title {
                font-size: 1em;
            }
        }


    }

    // Make cell outputs take up more space if they're in the margin
    div.cell.tag_margin .cell_output {
        padding-left: 0;
    }
}


@media (min-width: $breakpoint-md) {
    div.cell.tag_full-width, div.cell.tag_full_width, div.full_width, div.full-width {
        width: 136% !important;
    }
}

blockquote {
    margin: 1em;
    padding: .2em 1.5em;
    border-left: 4px solid #ccc;

    &.pull-quote, &.epigraph, &.highlights {
        font-size:1.25em;
        border-left: none;
    }

    div > p {
        margin-bottom: .5em;
    }

    div > p + p.attribution {
        font-style: normal;
        font-size: .9em;
        text-align: right;
        color: #6c757d;
        padding-right: 2em;
    }
}

// Code cells have background at the `pre` level so remove from here
div.highlight {
    background: none;
}

// Footnotes

dl.footnote {
    dt.label {
        float: left;
    }

    dd p {
        padding-left: 1.5em;
    }
}

// Citations

dl.citation {
    margin-left: 5%;
}

a.bibtex.internal {
    /* margin-bottom: .1em; */
    font-size: .8em;
    vertical-align: top;
}

/*********************************************
* Top Bar *
*********************************************/
.topbar {
    margin: 0em auto 1em auto !important;
    padding-top: .25em;
    padding-bottom: .25em;
    background-color: white;
    height: $topbar-height;
    transition: left .2s;

    > div {
        height: 2.5em;
        top: 0px;
    }

    .topbar-main {
        > button, > div, > a {
            float: left;
            height: 100%;
        }

        button.topbarbtn {
            margin: 0 .1em;
            background-color: white;
            color: $non-content-grey;
            font-size: 1.4em;
            border: none;
            padding-top: .1rem;
            padding-bottom: .1rem;
        }

        // buttons float right
        div.dropdown-buttons-trigger, a.edit-button, a.full-screen-button {
            float: right;
        }
    }
}

.bd-topbar-whitespace {
    padding-right: none;
    @media (max-width: 768px) {
        display: none;
    }
}

// Download buttons
span.topbar-button-text {
    margin-left: 0.4em;

    @media (max-width: $breakpoint-md) {
        display: none;
    }
}

div.dropdown-buttons-trigger {

    div.dropdown-buttons {
        display: none;
        position: absolute;
        max-width: 120px;
        margin-top: .2em;
        z-index: 1000;

        button.topbarbtn {
            padding-top: .35rem;
            padding-bottom: .35rem;
            min-width: 120px !important;
            border: 1px white solid !important;
            background-color: $non-content-grey;
            color: white;
            font-size: 1em;
        }
    }

    &:hover div.dropdown-buttons {
        display: block;
    }
}

a.dropdown-buttons i {
    margin-right: .5em;
}

button.topbarbtn img {
    height: 1.15em;
    padding-right: 6px;
    margin-left: -5px;
}

#navbar-toggler {
    position: relative;
    margin-right: 1em;
    margin-left: .5em;
    color: $non-content-grey;

    i {
        transition: opacity .3s, transform .3s;
        position: absolute;
        top: 16%;
        left: 0;
        display: block;
        font-size: 1.2em;
    }

    i.fa-bars {
        opacity: 0;
        transform: rotate(180deg) scale(.5);
    }

    i.fa-arrow-left, i.fa-arrow-up {
        opacity: 1;
    }

    &.collapsed {
        i.fa-bars {
            opacity: 1;
            transform: rotate(0) scale(1);
        }

        i.fa-arrow-left, i.fa-arrow-up {
            opacity: 0;
            transform: rotate(-180deg) scale(.5);
        }
    }
}


@media (max-width: $breakpoint-md) {
    #navbar-toggler {
        i.fa-arrow-up {
            display: inherit;
        }

        i.fa-arrow-left {
            display: none;
        }
    }
}

@media (min-width: $breakpoint-md) {
    #navbar-toggler {
        i.fa-arrow-up {
            display: none;
        }

        i.fa-arrow-left {
            display: inherit;
        }
    }
}

/*********************************************
* Table of Contents *
*********************************************/

.bd-toc {
    padding: 0px !important;
    overflow-y: hidden;
    background: white;
    right: 0;
    z-index: 999;
    transition: height .35s ease;

    // Colors
    div.onthispage, .toc-entry a {
        color: $non-content-grey;
    }

    // By default the nav is hidden unless a few conditions are met
    nav {
        opacity: 0;
        transition: opacity 0.2s ease;

        // TOC link color
        a:hover, li.active > a.active {
            color: #0071bc;
        }

        li.active > a.active {
            border-left: 2px solid #0071bc;
        }
    }

    // On really wide screens, we always show the nav
    @media (min-width: $breakpoint-xxl) {
        height: auto !important;
        nav {
            opacity: 1;
        }
    }

    // On hover or w/ a show class, we show the TOC
    &:hover, &.show {
        overflow-y: visible;
        height: auto;
        nav {
            opacity: 1;
        }
    }

    .tocsection {
        padding: .5rem 0 .5rem 1rem !important
    }

    .toc-entry a {
        padding: .125rem 1rem !important;
    }

    // Make sure the pydata sphinx theme edit button doesn't show up
    div.editthispage {
        display: none;
    }
}

/*********************************************
* Left Nav Bar *
*********************************************/
.bd-sidebar  {
    top: 0px !important;
    overflow-y: auto;
    height: 100vh !important;

    // Sidebar link color
    nav ul.nav {
        li a, ul li a {
            color: $non-content-grey;
        }
        a:hover, li.active > a, li.active > a:hover {
            color: #0071bc;
        }
    }

    scrollbar-width: thin;
    &::-webkit-scrollbar {
        width: 5px;
    }

    &::-webkit-scrollbar {
        background: #f1f1f1;
    }

    &::-webkit-scrollbar-thumb {
        background: #c1c1c1;
    }

    @media (min-width: $breakpoint-md) {
        opacity: 0.6;
    }

    // Hide the scrollbar until hover on wide screens
    @media (min-width: $breakpoint-lg) {
        &:not(:hover) {
            -ms-overflow-style: none;

            &::-webkit-scrollbar {
              background: #FFFFFF;
            }

            &::-webkit-scrollbar-thumb {
              background: #FFFFFF;
            }
        }
    }

    &:hover {
        opacity: 1;
    }

    h1.site-logo {
        margin: .5em 0 0 0;
        font-size: 1.1em;
        color: black;
        text-align: center;
    }

    p.navbar_footer {
        text-align: center;
        font-size: .9em;
        padding-top: .5em;
        color: $non-content-grey;
    }

    &.collapsing {
        border: none;
        overflow: hidden;
        position: relative;
        padding-top: 0;
    }

    // Captions
    li + li.navbar-special {
        margin-top: 1em;
    }

    p.margin-caption {
        margin-bottom: 0;
        font-size: 1.2em;
    }

    // External links
    li > a > i {
        font-size: .8em;
        margin-left: 0.3em;
    }
}

.site-navigation, .site-navigation.collapsing {
    transition: flex .2s ease 0s, height .35s ease, opacity 0.2s ease;
}

#site-navigation {
    @media (max-width: $breakpoint-md) {
        position: fixed;
        margin-top: $topbar-height;
        z-index: 2000;
        background: white;
    }
}

@media (max-width: $breakpoint-md) {

    .bd-sidebar {
        height: 60vh !important;
        border-bottom: 3px solid #c3c3c3;

        &.collapsing {
            height: 0px !important;
        }
    }
}

@media (min-width: $breakpoint-md) {
    .bd-sidebar {
        z-index: 2000 !important;
    }

    .site-navigation.collapsing {
        flex: 0 0 0px;
        padding: 0;
    }
}


div.navbar-brand-box {
    @media (min-width: $breakpoint-md) {
        padding-top: 2em;
    }

    a.navbar-brand {
        width: 100%;
        height: auto;

        img {
            display: block;
            height: auto;
            width: auto;
            max-height:10vh;
            max-width: 100%;
            margin: 0 auto;
            @media (min-width: $breakpoint-md) {
                max-height: 15vh !important;
            }
        }
    }
}

nav.bd-links {
    margin-left: 0px;
    max-height: none !important;

    ul.nav li {
        width: 100%;
    }

    ul.sidenav_l1 > li {
        font-size: 1.2em
    }

    ul.sidenav_l2  {
        font-size: .8em
    }

    ul.nav > li > a {
        padding-left: 0rem !important;
        padding-right: 0rem !important;
    }

    ul.nav ul {
        padding-left: 1rem !important;
        padding-right: 0rem !important;
    }
}

// Navbar and topbar sidebar padding should max at 300px
@media (min-width: $breakpoint-md) {
    .bd-sidebar, .bd-topbar-whitespace {
        max-width: 275px;
    }
}


/*********************************************
* Footer *
*********************************************/
.prev-next-bottom {
    height: 3em;
}


// Thebelab buttons
.thebelab-cell {
    // To ensure that thebelab cells are always the top of the Z-stack
    position: relative;
    z-index: 999;

    // Remove styling since we use our own
    border: 0 !important;
    border-radius: 0 !important;
    margin-top: 0 !important;
    margin-bottom: 8px !important;
}

.thebelab-button {
    z-index: 999;
    display: inline-block;
    padding: 0.35em 1.2em;
    margin: 0px 1px;
    border-radius: 0.12em;
    box-sizing:  border-box;
    text-decoration: none;
    font-family: 'Roboto', sans-serif;
    font-weight: 300;
    text-align: center;
    transition: all 0.2s;
    background-color: #dddddd;
    border: 0.05em solid white;
    color: #000000;
}

.thebelab-button:hover{
    border: 0.05em solid black;
    background-color: #fcfcfc;
}


div.jp-OutputArea-output {
    padding: 5px;
}

@import 'print';