{{ $colors := .Site.Data.colors | default dict }}

$dark_bg:          {{ $colors.dark.bg         | default "#242629" }};
$dark_hl_bg:       {{ $colors.dark.hl_bg      | default "#34363b" }};
$dark_fg:          {{ $colors.dark.fg         | default "white"   }};
$dark_dim_fg:      {{ $colors.dark.dim_fg     | default "#bababa" }};
$dark_stroke:      {{ $colors.dark.stroke     | default "#4f4f4f" }};
$dark_accent:      {{ $colors.dark.accent     | default "#db5793" }};
$dark_sidebar_bg:  {{ $colors.dark.sidebar.bg | default "#34363b" }};
$dark_sidebar_fg:  {{ $colors.dark.sidebar.fg | default "white"   }};

$light_bg:         {{ $colors.light.bg         | default "#f5f5f5" }};
$light_hl_bg:      {{ $colors.light.hl_bg      | default "#e6e6e6" }};
$light_fg:         {{ $colors.light.fg         | default "#262625" }};
$light_dim_fg:     {{ $colors.light.dim_fg     | default "#40403e" }};
$light_stroke:     {{ $colors.light.stroke     | default "#575754" }};
$light_accent:     {{ $colors.light.accent     | default "#db5793" }};
$light_sidebar_bg: {{ $colors.light.sidebar.bg | default "#e6e6e6" }};
$light_sidebar_fg: {{ $colors.light.sidebar.fg | default "#121211" }};

:root {
    --dark_bg:          #{$dark_bg};
    --dark_hl_bg:       #{$dark_hl_bg};
    --dark_fg:          #{$dark_fg};
    --dark_dim_fg:      #{$dark_dim_fg};
    --dark_stroke:      #{$dark_stroke};
    --dark_accent:      #{$dark_accent};
    --dark_sidebar_bg:  #{$dark_sidebar_bg};
    --dark_sidebar_fg:  #{$dark_sidebar_fg};

    --light_bg:         #{$light_bg};
    --light_hl_bg:      #{$light_hl_bg};
    --light_fg:         #{$light_fg};
    --light_dim_fg:     #{$light_dim_fg};
    --light_stroke:     #{$light_stroke};
    --light_accent:     #{$light_accent};
    --light_sidebar_bg: #{$light_sidebar_bg};
    --light_sidebar_fg: #{$light_sidebar_fg};

    {{ if eq .Site.Data.colors.default "light" }}
        --default_bg:         #{$light_bg};
        --default_hl_bg:      #{$light_hl_bg};
        --default_fg:         #{$light_fg};
        --default_dim_fg:     #{$light_dim_fg};
        --default_stroke:     #{$light_stroke};
        --default_accent:     #{$light_accent};
        --default_sidebar_bg: #{$light_sidebar_bg};
        --default_sidebar_fg: #{$light_sidebar_fg};
    {{ else }}
        --default_bg:         #{$dark_bg};
        --default_hl_bg:      #{$dark_hl_bg};
        --default_fg:         #{$dark_fg};
        --default_dim_fg:     #{$dark_dim_fg};
        --default_stroke:     #{$dark_stroke};
        --default_accent:     #{$dark_accent};
        --default_sidebar_bg: #{$dark_sidebar_bg};
        --default_sidebar_fg: #{$dark_sidebar_fg};
    {{ end }}
}

{{ if ($colors.auto_switch | default false) }}
@media (prefers-color-scheme: dark) {
    :root {
        --default_bg:         #{$dark_bg};
        --default_hl_bg:      #{$dark_hl_bg};
        --default_fg:         #{$dark_fg};
        --default_dim_fg:     #{$dark_dim_fg};
        --default_stroke:     #{$dark_stroke};
        --default_accent:     #{$dark_accent};
        --default_sidebar_bg: #{$dark_sidebar_bg};
        --default_sidebar_fg: #{$dark_sidebar_fg};
    }
}
@media (prefers-color-scheme: light) {
    :root {
        --default_bg:         #{$light_bg};
        --default_hl_bg:      #{$light_hl_bg};
        --default_fg:         #{$light_fg};
        --default_dim_fg:     #{$light_dim_fg};
        --default_stroke:     #{$light_stroke};
        --default_accent:     #{$light_accent};
        --default_sidebar_bg: #{$light_sidebar_bg};
        --default_sidebar_fg: #{$light_sidebar_fg};
    }
}
{{ end }}


$main_font: {{ .Site.Params.fontFamily | default "JetBrains Mono" }};
$title_font: {{ .Site.Params.titleFontFamily | default "$main_font" }};
$mono_font: {{ .Site.Params.monospaceFontFamily | default "JetBrains Mono" }};
$symbols_font: "Symbols Nerd Font";
$content_width: {{ .Site.Params.contentWidth | default "1000px" }};
$border_radius: 10px;
$margin: 15px;

$base_font_size: 16px;
$title_font_mult: {{ .Site.Params.titleFontSizeMultiplier | default 1.0 }};
$main_font_mult:  {{ .Site.Params.mainFontSizeMultiplier  | default 1.0 }};
$mono_font_mult:  {{ .Site.Params.monoFontSizeMultiplier  | default 1.0 }};

{{ if (.Site.Params.enableShadow | default false) }}
    $shadow: 0 0 5px 0 rgba(0, 0, 0, .2);
{{ else }}
    $shadow: 0 0 0 0 transparent;
{{ end }}

::selection, ::-moz-selection {
    background: var(--default_accent);
    color: var(--default_fg);
}

body, html {
    font-family: $symbols_font, $main_font, monospace;
    font-size: $base_font_size * $main_font_mult;
    margin: 0;
    padding: 0;
    background-color: var(--default_bg);
    color: var(--default_fg);
}

body {
    min-height: 100vh;
}

@mixin linkLike {
    color: var(--default_fg);
    text-decoration: none;
    background-color: transparent;
    border-radius: 0;
    border-bottom: 2px solid currentcolor;
    &:hover, &:focus {
        &, &:not([disabled]) {
            border-color: var(--default_accent) !important;
            background-color: transparent;
        }
    }
}

@mixin roundButtonLike {
    display: inline-block;
    border-radius: $border_radius;
    background-color: var(--default_hl_bg);
    color: var(--default_fg);
    padding: ($margin / 2);
    margin: ($margin / 6) 0;
    transition: background-color .15s ease-in-out !important;
    border-bottom: none;
    &:hover, &:focus {
        background-color: var(--default_accent);
    }
    box-shadow: $shadow;
}

@mixin buttonLike {
    {{ if eq (site.Params.navtype | default "standard") "circles" }}
        @include roundButtonLike;
    {{ else }}
        @include linkLike;
    {{ end }}
    font-size: #{1.2 * $base_font_size};
}

a {
    @include linkLike;
}

a.unstyledLink {
    border: none;
    text-decoration: none;
    color: var(--default_fg);
}

@mixin limitWidth {
    max-width: $content_width;
    margin-left: auto;
    margin-right: auto;
}

#content {
    @include limitWidth;
    padding: $margin;
}

footer {
    color: var(--default_dim_fg);
    a {
        color: var(--default_dim_fg);
    }
    hr {
        margin-top: (2 * $margin);
    }
    .footerColumns {
        font-size: .9 * $base_font_size * $main_font_mult;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        ul {
            margin: ($margin / 2);
            list-style-type: none;
            padding: 0;
            li > strong {
                font-size: 1rem * $main_font_mult;
            }
        }
    }
}

#links {
    padding: 5px 0;
}

article, .articlePreview {
    img {
        margin: auto;
        display: block;
        max-width: 100%;
    }

    pre, code {
        overflow: auto;
    }
    pre {
        padding: $margin;
        border: 1px solid var(--default_stroke);
        border-radius: 3px;
    }
}

code {
    font-family: $symbols_font, $mono_font, monospace;
    font-size: $base_font_size * .8 * $mono_font_mult;
    border: 1px solid var(--default_stroke);
    border-radius: 3px
}
code, table {
    padding: 2px;
}

pre code {
    border: none;
    border-radius: none;
    padding: 0
}

table {
    border-collapse: collapse;
    overflow-x: auto;
    display: block;
    td, th {
        padding: 6px;
        border: 1px solid var(--default_stroke);
    }
    th, tr:nth-child(even) {
        filter: brightness(105%);
    }
}

blockquote {
    margin: 0;
    padding-left: ($margin * 2);
    border-left: 2px solid currentcolor;
}

.date, .date a {
    color: var(--default_dim_fg);
    border-color: var(--default_dim_fg);
    font-size: .9em;
}

#pageNavigation, .nerdlink, nav:not(#TableOfContents) {
    a {
        border-bottom: none;
        &:hover {
            border-bottom: none;
        }
    }
}

#pageNavigation {
    text-align: right;
    a {
        color: var(--default_accent);
    }
    a, span {
        // appropriately sized tap targets
        display: inline-block;
        padding: 6px;
    }
    &.nav-circles {
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: flex-end;
        align-items: center;
        a, span {
            margin: 5px;
            text-align: center;
            display: inline-block;
            width: 40px;
            height: 40px;
            line-height: 40px;
            padding: unset;
            border-radius: 100%;
            transition: background-color .15s ease-in-out;
            background-color: var(--default_hl_bg);
            color: var(--default_fg);
            box-shadow: $shadow;
        }
        span {
            background-color: var(--default_accent);
        }
        a:hover {
            background-color: var(--default_accent);
        }
    }
}

h1, h2, h3, h4, h5, h6 {
    font-family: $symbols_font, $title_font;
    a {
        color: var(--default_accent);
        {{ if not (.Site.Params.underlineTitleLinks | default false) }}
            border-bottom: none;
        {{ end }}
    }
}

h1 {font-size: 2.0 * $base_font_size * $title_font_mult;}
h2 {font-size: 1.5 * $base_font_size * $title_font_mult;}
h3 {font-size: 1.3 * $base_font_size * $title_font_mult;}
h4 {font-size: 1.0 * $base_font_size * $title_font_mult;}
h5 {font-size: 0.8 * $base_font_size * $title_font_mult;}
h6 {font-size: 0.7 * $base_font_size * $title_font_mult;}

.nerd {
    font-family: $symbols_font, $main_font;
    font-size: 1.2 * $base_font_size;
    margin: 5px;
    display: inline-block;
}

.nerdlink {
    @extend .nerd;
    color: var(--default_fg);
    border-bottom: none;
    position: relative;
    width: 1em;
    height: 1.2em;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    .pseudofont {
        fill: var(--default_fg);
        display: inline;
        position: relative;
        top: 1px;
    }
    span {
        position: absolute;
        top: 1.5em;
        left: 50%;
        transform: translateX(-50%);
        padding: 2px;
        border: 1px solid var(--default_stroke);
        border-radius: 3px;
        color: var(--default_fg);
        display: none;
        background-color: var(--default_bg);
        z-index: 900;
        text-align: center;
    }
    &:hover {
        .pseudofont {
            fill: var(--default_accent);
        }
        color: var(--default_accent);
        text-decoration: none;
        border-bottom: none;
        span {
            display: block;
        }
    }
}

.card {
    display: block;
    padding-bottom: $margin;

    {{ if (.Site.Params.paperCards | default false) }}
        background-color: var(--default_hl_bg);
        border-radius: $border_radius;
        box-shadow: $shadow;
        padding: $margin;
        padding-top: 1px;
    {{ end }}

    &.single {
        {{ if (.Site.Params.bigArticleTitle | default false) }}
            h1 {
                font-size: #{2.2 * $base_font_size * $title_font_mult};
            }
        {{ end }}
    }
}

.postlist {
    display: grid;
    grid-gap: $margin;
    margin-bottom: $margin;
    grid-template-columns: 1fr;
    &.gridView {
        grid-template-columns: repeat(auto-fit, minmax(325px, 1fr));
    }
}

// only hide hr in cards if they are in the article list
// cards in list are divs, cards as in full-blown articles use the article tag
{{ if (.Site.Params.paperCards | default false) }}
    .postlistitem.card {
        hr { display: none; }
    }
{{ end}}

.postlistitem.card div {
    img {
        height: 250px;
        {{ if (.Site.Params.paperCards | default false) }}
            min-width: calc(100% + #{2*$margin});
            margin: 0 #{-$margin};
        {{ else }}
            min-width: 100%;
        {{ end }}
        object-fit:
            {{ if .Site.Params.FitImageInArticlePreview }}
                contain
            {{ else }}
                cover
            {{ end }};
    }
}

ul {
    li {
        margin: 5px 0;
    }
}

ul.list {
    .date {
        display: inline-block;
        min-width: 100px;
    }
    > li > div {
        display: grid;
        grid-template-columns: 100px auto;
    }
}

#commento {
    margin-top: $margin;
    color: var(--default_fg);
    font-family: $symbols_font, $main_font, monospace;
    textarea, #commento-markdown-help-root {
        background: rgba(255, 255, 255, .05);
        color: var(--default_fg);
        border-radius: 0;
        border: none;
        td, td>*, td>*>* {
            color: var(--default_fg);
            pre {
                font-family: $symbols_font, $mono_font, monospace;
                color: var(--default_dim_fg);
            }
        }
    }
    #commento-submit-button-root {
        background: var(--default_accent);
        color: var(--default_fg);
    }
    .commento-name {
        color: var(--default_dim_fg);
    }
    .commento-sort-policy-buttons {
        a {
            border-bottom: none;
        }
        .commento-sort-policy-button-selected {
            color: var(--default_accent);
        }
    }
    .commento-card {
        border-top: none;
        margin: 25px 0;
    }
    .commento-body {
        >*, *>*, >*>*>*, >*>*>*>*, >*>*>*>*>* {
            color: var(--default_fg);
            font-family: $symbols_font, $main_font, monospace;
        }
    }
}

.search {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: center;
    margin: $margin 0;
    .nerdlink {
        display: inline-block;
        cursor: pointer;
        padding: 0 6px;  // appropriately sized tap targets
    }
    #searchbar {
        width: 100%;
        min-width: 150px;
        font-size: 1.3em;
        outline: none;
    }
}

.titleAndSearchContainer {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    #titleContainer {
        flex-grow: 99;
    }
    .search {
        flex-grow: 1;
        &, #searchbar {font-size: 1em;}
    }
}

.featuredCardLink {
    border: none;
    padding: 0;
    .featuredCard {
        @extend .card;
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
        position: relative;
        height: 250px;
        .contentArea {
            position: absolute;
            bottom: 0;
            padding: $margin;
            &, h2, .date {color: white;}
            h2 {
                margin: 0;
            }
            .date {
                margin: 0;
            }
        }
        {{ if (.Site.Params.paperCards | default false) }}
            border-radius: $border_radius;
            padding: 0;
        {{ end }}
    }
}

.loadMoreButton {
    text-align: center;
    font-size: 1.2em;
    font-weight: bold;
    &.buttonLike {
        a {
            @include roundButtonLike;
        }
    }
}

.relatedArticlesContainer {
    margin: $margin 0;
    #relatedArticles .postlistitem {
        @extend .featuredCard;
    }
}

#titleContainer {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: flex-start;
    align-self: flex-start;

    h1 {
        font-weight: normal;
        font-size: 1.6 * $base_font_size * $title_font_mult;
        margin: 0;
        {{ if site.Params.logoRightOfTitle }}
            display: flex;
            flex-direction: row;
            flex-wrap: wrap;
            align-items: center;
            > a {
                margin-right: 12px;
            }
        {{ end }}
    }

    img {
        margin-right: ($margin / 2);
        margin-top: 7px;
        align-self: flex-start;
        width: 50px;
        max-height: 50px;
        border-radius: 5px;
    }
}

nav:not(#TableOfContents), #links {
    ul {
        list-style-type: none;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        padding: 0;
        margin: 0;
    }
}

header {
    @include limitWidth;
    padding: $margin;
    margin-bottom: $margin;
    .rightOfLogo {
        width: 100%;
        .titleAndHamburger {
            display: flex;
            flex-direction: row;
            flex-wrap: nowrap;
            align-items: flex-start;
            justify-content: space-between;
        }
    }
    nav:not(#TableOfContents) {
        font-size: .9em;
        ul {
            li {
                {{ if eq .Site.Params.menuStyle "buttons" }}
                    margin: 5px 2px;
                    margin-right: 5px;
                    &:last-child {
                        margin-right: none;
                    }
                    a {
                        {{ if eq (site.Params.navtype | default "standard") "circles" }}
                            @include roundButtonLike;
                        {{ else }}
                            font-family: $symbols_font, $main_font;
                            background-color: var(--default_hl_bg);
                            transition: background-color .15s ease-in-out;
                            &:hover, &:active {
                                background-color: var(--default_accent);
                            }
                        {{ end }}
                        box-sizing: border-box;
                        color: var(--default_fg);
                        margin: 0;
                        padding: #{$margin/2} $margin;
                    }
                {{ else }}
                    border-right: 1px solid var(--default_accent);
                    &:last-child {
                        border-right: none;
                    }
                    a {
                        padding: 2px $margin;
                        color: var(--default_accent);
                        &:hover {
                            text-decoration: underline;
                        }
                    }
                {{ end }}
            }
        }
    }
}

.articleTagsContainer {
    margin: $margin 0;
}

a.buttonTag {
    @include roundButtonLike;
}

.cactus-button, .cactus-login-buttons > button {
    font-family: $main_font;
    padding: 0;
    margin: 5px 0 5px $margin !important;
    @include buttonLike;
    transition-property: border-color, background-color !important;
    transition-duration: .15s;
    transition-timing-function: ease-in-out;
    opacity: 1 !important;
    &[disabled] {
        opacity: .5 !important;
        border-color: transparent !important;
        background-color: transparent !important;
        box-shadow: none;
    }
}

.shareBtn, button {
    @include buttonLike;
    cursor: pointer;
}

input, textarea, textarea.cactus-editor-textarea {
    {{ if (eq (site.Params.inputStyle | default "standard") "buttons") }}
        @include buttonLike;
    {{ else }}
        border-radius: 0 !important;
    {{ end }}
    box-sizing: border-box;
    font-family: $symbols_font, $main_font;
    background-color: var(--default_hl_bg) !important;
    color: var(--default_fg);
    max-width: 100%;
    min-width: 10px;
    padding: 12px;
    border: 2px solid transparent !important;
    border-color: transparent;
    transition: border-color .15s ease-in-out !important;
    &:focus, &:active {
        border-color: var(--default_accent) !important;
        outline: none;
    }
}

.cactus-editor-name {
    box-sizing: border-box;
    max-width: 100%;
    min-width: 10px;
}

.cactus-login-form {
   {{ if (eq (site.Params.inputStyle | default "standard") "buttons") }} 
        border-radius: $border_radius;
    {{ else }}
        border-radius: 0;
    {{ end }}
    {{ if (.Site.Params.enableShadow | default false) }}
        box-shadow: $shadow;
    {{ else }}
        box-shadow: none;
        border: 2px solid var(--default_stroke);
    {{ end }}
    max-width: 600px;
    min-width: 200px;
    width: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    transform: none;
    top: #{$margin*2};
    left: 0; right: 0;
    background-color: var(--default_bg) !important;
    color: var(--default_fg) !important;
    z-index: 9999;
    > a {  // "Use a Matrix client" button
        @include buttonLike;
        align-self: flex-end;
        > button {
            background-color: transparent !important;
            border: none !important;
            box-shadow: none !important;
            margin: 0 !important;
            padding: 0 !important;
        }
    }
    .cactus-login-buttons {
        margin: 0;
        justify-content: flex-end;
        > button {
            flex-grow: 0;
            white-space: nowrap;  // otherwise labels go 1 line per word
        }
    }
}

#fediInstanceDialog {
    display: none;
    position: fixed;
    top: 0; bottom: 0; left: 0; right: 0;
    
    .dialog {
        {{ if (.Site.Params.enableShadow | default false) }}
            box-shadow: $shadow;
        {{ else }}
            box-shadow: none;
            border: 2px solid var(--default_stroke);
        {{ end }}
        box-sizing: border-box;
        position: absolute;
        display: flex; flex-direction: column;
        top: #{$margin*2};
        left: 50%; transform: translateX(-50%);
        z-index: 9999;
        background-color: var(--default_bg);
        width: 450px;
        max-width: 100%;
        padding: $margin;
        {{ if (eq (site.Params.inputStyle | default "standard") "buttons") }}
            border-radius: $border_radius;
        {{ end }}
        h1, h2, h3, h4 {
            margin: 0;
        }
        h2 {
            margin-bottom: 24px;
        }
        input {
            display: block;
        }
        .buttons {
            margin: $margin 0;
            display: flex;
            flex-direction: row;
            justify-content: end;
            > * {
                margin: 5px 0 5px $margin;
                display: block;
            }
        }
    }
    .bg {
        z-index: 99;
        position: absolute;
        top: 0; bottom: 0; left: 0; right: 0;
        background-color: rgba(0, 0, 0, .4);
        cursor: pointer;
    }
    &.open {
        display: block;
    }
}

{{ if .Site.Params.mobileHamburgerNav | default false }}
    header {
        #hamburger-menu {
            @extend .nerdlink;
            display: none !important;
        }
        #main-nav-toggler {
            display: none;
        }
    }

    @media only screen and (max-width: 520px) {
        header {
            .titleAndSearchContainer {
                z-index: 9999999 !important;
            }
            #hamburger-menu {
                display: block !important;
                font-size: 1.2em;
                cursor: pointer;
                text-align: center;
                margin: 0;
                padding: ($margin / 4);
                align-self: center;
            }
            nav:not(#TableOfContents) {
                ul#main-nav {
                    &, li, li a {text-shadow: none !important;}
                    display: none;
                    position: absolute;
                    z-index: 99999;
                    right: $margin;
                    padding: 2px 5px;
                    width: 120px;
                    {{ if eq .Site.Params.navtype "circles" }}
                        border-radius: $border_radius;
                    {{ end }}
                    border: 2px solid var(--default_stroke);
                    background-color: var(--default_hl_bg);
                    flex-direction: column;
                    li {
                        border-right: none !important;
                        display: block;
                        text-align: center;
                        margin: 0;
                        a {
                            box-shadow: none;
                            box-sizing: border-box;
                            display: block;
                            width: 100%;
                            padding: 10px;
                            margin: 3px 0;
                        }
                    }
                }
                #main-nav-toggler:checked ~ #main-nav {
                    display: flex;
                }
            }
        }
    }
{{ end }}

{{ if and 
    (.Site.Params.enableJumbotron | default false)
    .Site.Data.jumbotron
}}
{{
    $jumbo_fullscreen := (or 
        (.Site.Data.jumbotron.fullscreen | default false)
        (.Site.Data.jumbotron.backgroundVideo)
    )
}}
header {
    .jumbotron { display: none; }
    max-width: 100%;
    > * {
        @include limitWidth;
    }
}
header.jumbotronContainer {
    {{ if (.Site.Data.jumbotron.whiteText | default false) }}
        &, *, > * {
            color: white !important;
        }
        #searchbar {
            color: var(--default_fg) !important;
        }
        #main-nav a, .nerdlink:hover {
            color: var(--default_fg) !important;
        }
        .nerdlink span {
            color: var(--default_fg) !important;
            text-shadow: none;
        }
        .arrow {
            border-color: white !important;
            svg , svg * {
                fill: white !important;
            }
            &:hover, &:focus, &:active {
                background-color: rgba(0, 0, 0, .7);
                svg, svg * {
                    fill: white !important;
                }
            }
        }
    {{ end }}
    {{ if (.Site.Data.jumbotron.textShadow | default false) }}
        &, * {
            text-shadow: 0 0 5px transparentize($light_fg, .3);
        }
    {{ end }}
    > *:first-child {
        padding-top: $margin;
    }
    padding-bottom: 0;
    padding-top: 0;
    .jumbotron { display: flex; }
    {{ if and
        .Site.Data.jumbotron.background
        (not .Site.Data.jumbotron.backgroundVideo)
    }}
        background:
            linear-gradient(
                transparentize($dark_bg, 0.2),
                transparentize($dark_bg, 0.2)
            ),
            url({{ .Site.Data.jumbotron.background }});
        background-size: cover;
        background-position: center;
        background-repeat: no-repeat;
    {{ else if .Site.Data.jumbotron.backgroundVideo }}
        background: transparent;
        > * {
            position: relative;
            z-index: 9999;
        }
        overflow: hidden;
        .video_container {
            overflow: hidden;
            position: absolute;
            min-height: 100%;
            min-width: 100%;
            top: 0; bottom: 0; left: 0; right: 0;
            z-index: 0;
            background-color: black;
            .jumbotron_video {
                opacity: {{ .Site.Data.jumbotron.videoOpacity | default 1.0 }};
                position: absolute;
                z-index: 0;
                left: 50%;
                top: 50%;
                transform: translate(-50%, -50%);
                overflow: hidden;
                min-height: 100%;
                min-width: 100%;
                height: 100vh;
            }
        }
    {{ else }}
        background-color: rgba(0, 0, 0, .3);
    {{ end }}
    {{ if $jumbo_fullscreen }}
        height: 100vh;
        {{ if (.Site.Data.jumbotron.downArrow | default false) }}
            margin-bottom: 100px;
            .arrow {
                position: absolute;
                bottom: 24px;
                left: 50%; transform: translateX(-50%);
                cursor: pointer;
                &, svg {
                    height: 64px;
                    width: 64px;
                }
                opacity: .7;
                border-radius: 100%;
                border: 2px solid var(--default_fg);
                padding: 3px;
                // display: flex; flex-direction: row; justify-content: center;
                background-color: transparent;
                transition: background-color .15s ease-in-out;
                svg {
                    margin-top: 5px;
                    &, * {
                        fill: var(--default_fg);
                        transition: fill .15s ease-in-out;
                    }
                    @keyframes bounce {
                        0% {
                            transform: translateY(3px);
                        }
                        100% {
                            transform: translateY(-3px);
                        }
                    }
                    animation: bounce 2s infinite ease-in-out alternate both;

                }
                &:hover, &:focus, &:active {
                    background-color: var(--default_fg);
                    svg, svg * {
                        fill: var(--default_bg);
                    }
                }
            }
        {{ end }}
    {{ end }}
}
.jumbotron {
    width: 100%;
    {{ if $jumbo_fullscreen }}
        height: 80vh;
    {{ else }}
        min-height: 40vh;
    {{ end }}
    flex-wrap: no-wrap;
    text-align: center;
    justify-content: center;
    align-items: center;
    align-content: center;
    {{ $jumbotronImagePosition := (
        .Site.Data.jumbotron.imagePosition | default "left"
    ) }}
    {{ if (eq $jumbotronImagePosition "left") }}
        flex-direction: row;
    {{ else if (eq $jumbotronImagePosition "right") }}
        flex-direction: row-reverse;
    {{ else if (eq $jumbotronImagePosition "top") }}
        flex-direction: column;
    {{ else if (eq $jumbotronImagePosition "bottom") }}
        flex-direction: column-reverse;
    {{ end }}
    .main_box {
        display: flex;
        flex-direction: column;
        text-align: center;
        justify-content: center;
        align-items: center;
        flex-basis: 55%;
        flex-grow: 1;
    }
    img {
        flex-basis: 45%;
        flex-grow: 1;
        max-width: 100vw;
        min-width: 200px;
    }
    h2 {
        font-weight: 300;
        &.huge {
            font-size: 4 * $base_font_size * $title_font_mult;
        }
    }
    h2, h3 {
        margin: 12px;
    }
    ul {
        list-style: none;
        padding: 0;
        display: flex;
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        li {
            margin: 3px;
            a {
                &.huge {
                    font-size: 1.5em;
                }
                {{ if eq .Site.Params.navtype "circles" }}
                    @include roundButtonLike;
                    background-color: transparent;
                    border: 2px solid var(--default_accent);
                {{ end }}
            }
        }
    }
}
@media only screen and (max-width: 520px) {
    .jumbotron {
        flex-wrap: wrap;
        h1.huge {
            font-size: 3 * $base_font_size * $title_font_mult !important;
        }
        h2, h3 {
            margin: 6px;
        }
    }
}
@media only screen and (max-height: 800px) {
    .jumbotron {
        height: auto;
        img {
            max-height: 120px;
        }
    }
}
{{ end }}

{{ if .Site.Params.enableSidebarLayout | default false }}
    $sidebar_width: 350px;

    header {
        #sidebar_nav, .sidebarToc {
            display: none;
        }
        #wide_nav {
            display: block;
        }
    }

    @media only screen and (min-width: 950px) {
        html{{if .Site.Params.enableJumbotron}}:not(.home){{end}} {
            position: fixed; top: 0; bottom: 0; left: 0; right: 0;
            color: var(--default_sidebar_fg);
            #baseContainer {
                display: flex;
                flex-direction: row;
                flex-wrap: nowrap;
                max-height: 100vh;
                header {
                    margin-left: unset; margin-right: unset;
                    background-color: var(--default_sidebar_bg);
                    max-width: $sidebar_width;
                    min-width: $sidebar_width;
                    height: 100vh;
                    display: block;
                    overflow: auto;
                    margin-bottom: 0;
                    padding: 0 $margin;
                    box-shadow: $shadow;
                    > *:first-child {
                        padding-bottom: $margin;
                        padding-top: $margin;
                    }
                    .rightOfLogo {
                        align-self: center;
                    }
                    #sidebar_nav {
                        display: block;
                        margin: $margin 0;
                        width: 100%;
                        nav:not(#TableOfContents) {
                            font-size: 1.1em;
                            ul#main-nav {
                                flex-direction: column;
                                li {
                                    border-right: none;
                                    a {
                                        display: block;
                                    }
                                }
                            }
                        }
                    }
                    #wide_nav {
                        display: none;
                    }
                    .sidebarToc {
                        display: block;
                        nav#TableOfContents {
                            ul {
                                padding-left: 24px;
                                a:not(:hover) {
                                    border-color: transparent;
                                }
                            }
                        }
                    }
                }
                #contentContainer {
                    flex-grow: 1;
                    overflow-y: auto;
                }
            }
            .articleToc {
                display: none;
            }
        }
    }

{{ end }}


// transitions at the end so that loading css doens't cause animations

a {
    transition-property: color, border-color;
    transition-duration: .15s;
    transition-timing-function: ease-in-out;
}

.nerdlink {
    &, .pseudofond {
        transition: all .15s ease-in-out;
    }
}

input {
    transition: .15s border ease-in-out;
}