.margin-center {
    margin-left: auto;
    margin-right: auto;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

.flex-grow-1 {
    flex-grow: 1;
}

.flex-fair {
    flex-basis: 1px;
    flex-grow: 1;
    flex-shrink: 1;
}

@media screen and (min-width: 35em) {
    .flex-fair-ns {
        flex-basis: 1px;
        flex-grow: 1;
        flex-shrink: 1;
    }
}

@media screen and (min-width: 60em) {
    .flex-fair-l {
        flex-basis: 1px;
        flex-grow: 1;
        flex-shrink: 1;
    }
}

.c--normal {
    color: var(--main-color);
}

.c--inherit {
    color: inherit;

    &:hover,
    &:active {
        color: inherit;
    }
}

.b--theme {
    border-color: var(--theme-color);
}

.c--dim {
    color: var(--dim-color);
}

.c--theme-dim {
    color: var(--theme-color-dim);
}

.b--dim {
    border-color: var(--dim-color);
}

.b--theme-dim {
    border-color: var(--theme-color-dim);
}

.c--dimmer {
    color: var(--dimmer-color);
}

.c--theme-dimmer {
    color: var(--theme-color-dimmer);
}

.b--dimmer {
    border-color: var(--dimmer-color);
}

.b--theme-dimmer {
    border-color: var(--theme-color-dimmer);
}

.c--dimmest {
    color: var(--dimmest-color);
}

.c--theme-dimmest {
    color: var(--theme-color-dimmest);
}

.b--dimmest {
    border-color: var(--dimmest-color);
}

.b--theme-dimmest {
    border-color: var(--theme-color-dimmest);
}

.bg--dim {
    background-color: var(--dim-background);
}

.bg--content {
    background-color: var(--content-background);
}

.bg--card {
    background-color: var(--card-background);
}

.f8 {
    font-size: 0.65rem;
}

.mw-site {
    max-width: 80rem;
}

.mh-3 {
    max-height: var(--height-3);
}

.mh-4 {
    max-height: var(--height-4);
}

.mh-5 {
    max-height: var(--height-5);
}

.mh-6 {
    max-height: var(--height-6);
}

.mh-100 {
    max-height: 100%;
}

.mh-50vh {
    max-height: 50vh;
}

.mh-60vh {
    max-height: 60vh;
}

.mh-70vh {
    max-height: 70vh;
}

.mh-80vh {
    max-height: 80vh;
}

.minw-100 {
    min-width: 100%;
}

.minh-1 {
    min-height: var(--height-1);
}

.minh-2 {
    min-height: var(--height-2);
}

.minh-3 {
    min-height: var(--height-3);
}

.minh-4 {
    min-height: var(--height-4);
}

.minh-5 {
    min-height: var(--height-5);
}

.minh-6 {
    min-height: var(--height-6);
}

.h1-5 {
    height: 1.5rem;
}

.fira {
    font-family: "Fira Sans", sans-serif;
}

.bi-avoid {
    break-inside: avoid;
}

.cc-auto {
    column-count: auto;
}

.cc1 {
    column-count: 1;
}

.cc2 {
    column-count: 2;
}

.cc3 {
    column-count: 3;
}

.cg0 {
    column-gap: var(--spacing-none);
}

.cg1 {
    column-gap: var(--spacing-extra-small);
}

.cg2 {
    column-gap: var(--spacing-small);
}

.cg3 {
    column-gap: var(--spacing-medium);
}

.cg4 {
    column-gap: var(--spacing-large);
}

.cg5 {
    column-gap: var(--spacing-extra-large);
}

.g0 {
    gap: var(--spacing-none);
}

.g1 {
    gap: var(--spacing-extra-small);
}

.g2 {
    gap: var(--spacing-small);
}

.g3 {
    gap: var(--spacing-medium);
}

.g4 {
    gap: var(--spacing-large);
}

.g5 {
    gap: var(--spacing-extra-large);
}

.grid {
    display: grid;
}

.grid-1 {
    grid-template-columns: 1fr;
}

.grid-2 {
    grid-template-columns: 1fr 1fr;
}

.aspect-ratio--2x1 {
    padding-bottom: 50%;
}

.hide-if-empty:empty {
    display: none !important;
}

@media screen and (min-width: 35em) {
    .bi-avoid-ns {
        break-inside: avoid;
    }

    .cc-auto-ns {
        column-count: auto;
    }

    .cc1-ns {
        column-count: 1;
    }

    .cc2-ns {
        column-count: 2;
    }

    .cc3-ns {
        column-count: 3;
    }

    .cg0-ns {
        column-gap: var(--spacing-none);
    }

    .cg1-ns {
        column-gap: var(--spacing-extra-small);
    }

    .cg2-ns {
        column-gap: var(--spacing-small);
    }

    .cg3-ns {
        column-gap: var(--spacing-medium);
    }

    .cg4-ns {
        column-gap: var(--spacing-large);
    }

    .cg5-ns {
        column-gap: var(--spacing-extra-large);
    }

    .grid-1-ns {
        grid-template-columns: 1fr;
    }

    .grid-2-ns {
        grid-template-columns: 1fr 1fr;
    }

    .bg--dim-ns {
        background-color: var(--dim-background);
    }
}

@media screen and (min-width: 35em) and (max-width: 60em) {
    .bi-avoid-m {
        break-inside: avoid;
    }

    .cc-auto-m {
        column-count: auto;
    }

    .cc1-m {
        column-count: 1;
    }

    .cc2-m {
        column-count: 2;
    }

    .cc3-m {
        column-count: 3;
    }

    .cg1-m {
        column-gap: var(--spacing-extra-small);
    }

    .cg2-m {
        column-gap: var(--spacing-small);
    }

    .cg3-m {
        column-gap: var(--spacing-medium);
    }

    .cg4-m {
        column-gap: var(--spacing-large);
    }

    .cg5-m {
        column-gap: var(--spacing-extra-large);
    }

    .grid-1-m {
        grid-template-columns: 1fr;
    }

    .grid-2-m {
        grid-template-columns: 1fr 1fr;
    }

    .bg--dim-m {
        background-color: var(--dim-background);
    }
}

@media screen and (min-width: 60em) {
    .bi-avoid-l {
        break-inside: avoid;
    }

    .cc-auto-l {
        column-count: auto;
    }

    .cc1-l {
        column-count: 1;
    }

    .cc2-l {
        column-count: 2;
    }

    .cc3-l {
        column-count: 3;
    }

    .cg1-l {
        column-gap: var(--spacing-extra-small);
    }

    .cg2-l {
        column-gap: var(--spacing-small);
    }

    .cg3-l {
        column-gap: var(--spacing-medium);
    }

    .cg4-l {
        column-gap: var(--spacing-large);
    }

    .cg5-l {
        column-gap: var(--spacing-extra-large);
    }

    .grid-1-l {
        grid-template-columns: 1fr;
    }

    .grid-2-l {
        grid-template-columns: 1fr 1fr;
    }

    .bg--dim-l {
        background-color: var(--dim-background);
    }
}

.not-first:first-child {
    display: none;
}

.not-first-of-type:first-of-type {
    display: none;
}

.not-last:last-child {
    display: none;
}

.not-last-of-type:last-of-type {
    display: none;
}

.svgicon {
    svg {
        fill: currentColor;
        stroke: currentColor;
        width: 1em;
        height: 1em;
    }

    &:not(.svgicon-nofix) svg {
        transform: translate(0px, 0.1em);
    }
}

/*
Tachyons' `center` is unfortunately overloaded by a .center
class we have in our own CSS.
*/
.center-layout {
    margin-right: auto;
    margin-left: auto;
}

footer {
    .list li:not(:last-child)::after {
        @extend .c--dimmer;

        @media #{var(--breakpoint-not-small)} {
            & {
                content: ' / ';
            }
        }
    }
}

.content {
    background-color: var(--content-background);

    margin: auto;

    p {
        -moz-text-size-adjust: auto;
        -webkit-text-size-adjust: auto;
        text-size-adjust: auto;

        margin: 0.6rem 0;
    }

    .description {
        line-height: 1.42em;
        text-align: left;
        margin: auto;

        p {
            margin-bottom: var(--spacing-small);
            text-align: left;
        }
    }

    >.top-bar {
        text-align: left;
    }
}

.content-block {
    // TODO: What the heck are these styles
    /* Background color given by theme */
    background-repeat: repeat-x;
    border-radius: 2px;
    text-align: left;
    width: 100%;
    /* box-shadow: 0px 4px 7px rgba(0,0,0,0.5); /* Not themed */
    position: relative;
    box-sizing: border-box;

    &.top-bar {
        background-image: none;
    }

    &.language-desc {
        padding: 10px;

        h3 {
            margin-left: 10px;
        }
    }

    .no-bg {
        background-image: none;
        background-color: transparent;
        box-shadow: none;
    }
}

.sidebar {
    .content-block {
        &.single {
            padding: 0px;
            /* for project list, TODO */
            margin-top: 20px;
        }

        &.top-bar {
            /* box-shadow: 0px 2px 4px rgba(0,0,0,0.2); /* Not themed */
            width: 80%;
            display: block;
            margin: 10px auto;
        }
    }

    br.sidebar-filler {
        line-height: 20px;
    }

    .projectlist {
        background-color: transparent;
    }
}

.content-block .bottom-padding,
.sidebar .bottom-padding {
    margin-top: var(--spacing-medium);
}

.breadcrumb {
    &:hover {
        text-decoration: underline;
    }

    &.current {
        text-overflow: clip ellipsis;
    }
}

.breadcrumb-before:nth-of-type(n+2)::before {
    content: '≫';
}

.optionbar {
    @extend .b--dimmest;

    width: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    text-align: center;
    align-items: center;
    border-style: dashed;
    border-width: 0px;
    border-bottom-width: 1px;
    padding-bottom: var(--spacing-small);

    @media #{var(--breakpoint-not-small)} {
        flex-direction: row;
        text-align: left;
        padding-bottom: 0;
    }

    &.bottom {
        border-bottom-width: 0px;
        border-top-width: 1px;
        padding-bottom: 0;
        padding-top: var(--spacing-small);

        @media #{var(--breakpoint-not-small)} {
            padding-top: 0;
        }
    }

    &.center {
        text-align: center; // TODO: find this and kill it
    }

    .options {
        display: flex;
        flex-direction: column;

        @media #{var(--breakpoint-not-small)} {
            flex-direction: row;
        }

        & {
            #{var(--buttons)} {
                @include lite-button;
                @extend .ph2;
                @extend .pv1;
                @extend .pv2-ns;
            }
        }
    }

    .group {
        display: inline-block;
        height: 100%;
        margin: auto;
    }
}

.tab {
    background-color: var(--tab-background);
    @extend .pa2;
}

.tab-bar {
    border-color: var(--tab-border-color);
    @extend .flex, .flex-row;

    width: 100%;

    .tab-button {
        background-color: var(--tab-button-background);
        border-color: var(--tab-border-color);
        @extend .ph3, .pv2;

        cursor: pointer; // TODO: Should this be a link?

        &:hover {
            background-color: var(--tab-button-background-hover);
        }

        &.current {
            background-color: var(--tab-button-background-current);
            font-weight: 500;
        }
    }
}

.pagination {
    .page.current {
        cursor: default;
        font-weight: 600;

        &:hover {
            text-decoration: none;
        }
    }

    .button {
        @extend .pv0, .ph2;
    }
}

.user-link {
    position: relative;
}

// TODO(ben): It appears that this code is inactive because the JS that would
// create the popups is commented out.
.user-popup {
    opacity: 0;
    max-height: 0px;
    width: 340px;

    text-align: center;

    transition: max-height 0.2s, opacity 0.1s;
    box-shadow: 0px 2px 5px rgba(0, 0, 0, 0.3);

    overflow: hidden;
    position: absolute;
    bottom: 0px;

    &.expanded {
        visibility: visible;
        max-height: 250px;
        opacity: 1;
    }

    table {
        /* Background color given by theme */
        width: 100%;
        position: relative;
        border-radius: 3px;
        z-index: 10;
    }

    td {
        vertical-align: top;
        padding: 15px 9px;
    }

    #avatar {
        width: 100px;
        height: 100px;
        background-size: contain;
        background-position: center center;
        background-repeat: no-repeat;
        border-radius: 3px;
        margin: 0px auto;
    }

    .username {
        font-weight: bold;
    }

    .bottom {
        /* Border color given by theme */
        border-top: 1px solid transparent;
        padding: 15px;

        .bio {
            vertical-align: top;
            width: 90%;
        }
    }
}

.site-search {
    &[type=text].lite {
        // wow CSS selector priority sucks

        // First transition copied from input .lite
        transition: border-bottom-color 60ms ease-in-out, width 300ms ease;
    }
}

#search_button_homepage {
    margin: 0px;
    height: 100%;
    height: calc(100% - 2px);
    border-radius: 0px;
    display: inline-block;
    display: none;
}

.background-even:nth-of-type(even) {
    // this is the default, and should be overridden by dynamic colors.
    background-color: var(--background-even-background);
    --fade-color: var(--background-even-background);
}

.sr-only {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
    transition: 0.2s all;
}

.sr-focusable {
    @extend .sr-only;

    &:focus {
        padding: 15px 10px;
        height: auto;
        width: auto;
        background: var(--content-background);
        clip: initial;
        clip-path: initial;
        z-index: 99999;
    }
}