:root {
    color-scheme: light dark;
    --background-color: #fff;
    --secondary-background-color: #f7f7f7;
    --color-blue: #049EF4;
    --text-color: #444;
    --secondary-text-color: #9e9e9e;
    --font-size: 16px;
    --line-height: 26px;
    --border-style: 1px solid #E8E8E8;
    --header-height: 48px;
    --panel-width: 300px;
    --panel-padding: 16px;
    --icon-size: 20px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --background-color: #222;
        --secondary-background-color: #2e2e2e;
        --text-color: #bbb;
        --secondary-text-color: #666;
        --border-style: 1px solid #444;
    }
    #previewsToggler {
        filter: invert(100%);
    }
}

* {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

canvas {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -9999;
}

html,
body {
    height: 100%;
}

html {
    font-size: calc(var(--font-size) - 1px);
    line-height: calc(var(--line-height) - 1px);
}

body {
    font-family: 'Roboto Mono', monospace;
    margin: 0px;
    color: var(--text-color);
    background-color: var(--background-color);
}

a {
    text-decoration: none;
}

h1 {
    font-size: 18px;
    line-height: 24px;
    font-weight: 500;
}

h2 {
    padding: 0;
    margin: 16px 0;
    font-size: calc(var(--font-size) - 1px);
    line-height: var(--line-height);
    font-weight: 500;
    color: var(--color-blue);
}

h3 {
    margin: 0;
    font-weight: 500;
    font-size: calc(var(--font-size) - 1px);
    line-height: var(--line-height);
    color: var(--secondary-text-color);
}

h1 a {
    color: var(--color-blue);
}

#header {
    display: flex;
    height: var(--header-height);
    border-bottom: var(--border-style);
    align-items: center;
}

#header h1 {
    padding-left: var(--panel-padding);
    flex: 1;
    display: flex;
    align-items: center;
    color: var(--color-blue);
}

#header #version {
    border: 1px solid var(--color-blue);
    color: var(--color-blue);
    border-radius: 4px;
    line-height: 16px;
    padding: 0px 2px;
    margin-left: 6px;
    font-size: .9rem;
}

#panel {
    position: fixed;
    z-index: 100;
    left: 0px;
    width: var(--panel-width);
    height: 100%;
    overflow: auto;
    border-right: var(--border-style);
    display: flex;
    flex-direction: column;
    transition: 0s 0s height;
}

#panel #exitSearchButton {
    width: 48px;
    height: 48px;
    display: none;
    background-color: var(--text-color);
    background-size: var(--icon-size);
    -webkit-mask-image: url(../files/ic_close_black_24dp.svg);
    -webkit-mask-position: 50% 50%;
    -webkit-mask-repeat: no-repeat;
    mask-image: url(../files/ic_close_black_24dp.svg);
    mask-position: 50% 50%;
    mask-repeat: no-repeat;
    cursor: pointer;
    margin-right: 0px;
}

#panel.searchFocused #exitSearchButton {
    display: block;
}

#panel.searchFocused #language {
    display: none;
}

#panel.searchFocused #filterInput {
    -webkit-mask-image: none;
    mask-image: none;
    background-color: inherit;
    padding-left: 0;
}

#panel #expandButton {
    width: 48px;
    height: 48px;
    margin-right: 4px;
    margin-left: 4px;
    display: none;
    cursor: pointer;
    background-color: var(--text-color);
    background-size: var(--icon-size);
    -webkit-mask-image: url(../files/ic_menu_black_24dp.svg);
    -webkit-mask-position: 50% 50%;
    -webkit-mask-repeat: no-repeat;
    mask-image: url(../files/ic_menu_black_24dp.svg);
    mask-position: 50% 50%;
    mask-repeat: no-repeat;
}

#panel #sections {
    display: flex;
    justify-content: center;
    z-index: 1000;
    position: relative;
    height: 100%;
    align-items: center;
    font-weight: 500;
}

#panel #sections * {
    padding: 0 var(--panel-padding);
    height: 100%;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

#panel #sections .selected:after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    border-bottom: 1px solid var(--text-color);
}

#panel #sections a {
    color: var(--secondary-text-color);
}

body.home #panel #sections {
    display: none;
}

#panel #inputWrapper {
    display: flex;
    align-items: center;
    height: var(--header-height);
    padding: 0 0 0 var(--panel-padding);
    position: relative;
    background: var(--background-color);
}

#panel #inputWrapper:after {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    border-bottom: var(--border-style);
    content: "";
}

#panel #filterInput {
    flex: 1;
    width: 100%;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    outline: none;
    border: 0px;
    background-color: var(--text-color);
    background-size: var(--icon-size);
    -webkit-mask-image: url(../files/ic_search_black_24dp.svg);
    -webkit-mask-position: 0 50%;
    -webkit-mask-repeat: no-repeat;
    mask-image: url(../files/ic_search_black_24dp.svg);
    mask-position: 0 50%;
    mask-repeat: no-repeat;
    font-family: 'Roboto Mono', monospace;
}

#panel #language {
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-color);
    border: 0px;
    background-image: url(ic_arrow_drop_down_black_24dp.svg);
    background-size: var(--icon-size);
    background-repeat: no-repeat;
    background-position: right center;
    background-color: var(--background-color);
    padding: 2px 24px 4px 24px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    margin-right: 10px;
    text-align-last: right;
}

#panel #language:focus {
    outline: none;
}

#contentWrapper {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

#panel #content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
    padding: 0 var(--panel-padding) var(--panel-padding) var(--panel-padding);
}

#panel #content ul {
    list-style-type: none;
    padding: 0px;
    margin: 0px 0 20px 0;
}

#panel #content ul li {
    margin: 1px 0;
}

#panel #content h2:not(.hidden) {
    margin-top: 16px;
    border-top: none;
    padding-top: 0;
}

#panel #content h2:not(.hidden)~h2 {
    margin-top: 32px;
    border-top: var(--border-style);
    padding-top: 12px;
}

#panel #content a {
    position: relative;
    color: var(--text-color);
}

#panel #content a:hover,
#panel #content a:hover .spacer,
#panel #content .selected {
    color: var(--color-blue);
}

#panel #content .selected {
    text-decoration: underline;
}

#panel #content .hidden {
    display: none !important;
}

#panel #content #previewsToggler {
    cursor: pointer;
    float: right;
    margin-top: 18px;
    margin-bottom: -18px;
    opacity: 0.25;
}

#panel #content.minimal .card {
    background-color: transparent;
    margin-bottom: 4px;
}

#panel #content.minimal .cover {
    display: none;
}

#panel #content.minimal .title {
    padding: 0;
}

#panel #content.minimal #previewsToggler {
    opacity: 1;
}

body.home #panel #content h2 {
    margin-bottom: 2px;
    padding-bottom: 0px;
    margin-top: 18px;
    border-top: none;
    padding-top: 6px;
}

.spacer {
    color: var(--secondary-text-color);
    margin-left: 2px;
    padding-right: 2px;
}

#viewer,
iframe {
    position: absolute;
    border: 0px;
    left: 0;
    right: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
}

iframe#viewer {
    display: none;
    /* Workaround: The iframe has white background in Chrome for some reason */
}

#viewer {
    padding-left: var(--panel-width);
}

#button {
    position: fixed;
    bottom: 16px;
    right: 16px;
    padding: 12px;
    border-radius: 50%;
    margin-bottom: 0px;
    background-color: #FFF;
    opacity: .9;
    z-index: 999;
    box-shadow: 0 0 4px rgba(0, 0, 0, .15);
}

#button:hover {
    cursor: pointer;
    opacity: 1;
}

#button img {
    display: block;
    width: var(--icon-size);
}

#button.text {
    border-radius: 25px;
    padding-right: 20px;
    padding-left: 20px;
    color: var(--color-blue);
    opacity: 1;
    font-weight: 500;
}

#projects {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    line-height: 0;
}

#projects a {
    overflow: hidden;
}

#projects a img {
    width: 100%;
    transform: scale(1.0);
    transition: 0.15s transform;
}

#projects a:hover img {
    transform: scale(1.08);
}

@media all and ( min-width: 1500px) {
    #projects {
        grid-template-columns: repeat(7, 1fr);
    }
}

@media all and ( min-width: 1700px) {
    :root {
        --panel-width: 360px;
        --font-size: 18px;
        --line-height: 28px;
        --header-height: 56px;
        --icon-size: 24px;
    }
    #projects {
        grid-template-columns: repeat(8, 1fr);
    }
}

@media all and ( min-width: 1900px) {
    #projects {
        grid-template-columns: repeat(9, 1fr);
    }
}

@media all and ( max-width: 1300px) {
    #projects {
        grid-template-columns: repeat(6, 1fr);
    }
}

@media all and ( max-width: 1100px) {
    #projects {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media all and ( max-width: 900px) {
    #projects {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media all and ( max-width: 700px) {
    #projects {
        grid-template-columns: repeat(3, 1fr);
    }
}

.card {
    border-radius: 3px;
    overflow: hidden;
    background-color: var(--secondary-background-color);
    padding-bottom: 6px;
    margin-bottom: 16px;
}

.card.selected {
    box-shadow: 0 0 0 3px var(--color-blue);
    text-decoration: none !important;
}

.card .cover {
    padding-bottom: 56.25%;
    /* 16:9 aspect ratio */
    position: relative;
    overflow: hidden;
}

.card .cover img {
    position: absolute;
    width: 100%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.card .title {
    padding: 8px 12px 4px;
    font-size: calc(var(--font-size) - 1px);
    font-weight: 500;
    line-height: calc(var(--line-height) - 6px);
}

/* mobile */

@media all and ( max-width: 640px) {
    :root {
        --header-height: 56px;
        --icon-size: 24px;
    }
    #projects {
        grid-template-columns: repeat(2, 1fr);
    }
    #panel #expandButton {
        display: block;
    }
    #panel {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        right: 0;
        z-index: 1000;
        overflow-x: hidden;
        transition: 0s 0s height;
        border: none;
        height: var(--header-height);
        transition: 0s 0.2s height;
    }
    #panel.open {
        height: 100%;
        transition: 0s 0s height;
    }
    #panelScrim {
        pointer-events: none;
        background-color: rgba(0, 0, 0, 0);
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        z-index: 1000;
        pointer-events: none;
        transition: .2s background-color;
    }
    #panel.open #panelScrim {
        pointer-events: auto;
        background-color: rgba(0, 0, 0, 0.4);
    }
    #contentWrapper {
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        background: var(--background-color);
        box-shadow: 0 0 8px rgba(0, 0, 0, .1);
        width: calc(100vw - 60px);
        max-width: 360px;
        z-index: 10000;
        transition: .25s transform;
        overflow-x: hidden;
        margin-right: -380px;
        line-height: 2rem;
    }
    #panel.open #contentWrapper {
        transform: translate3d(-380px, 0, 0);
    }
    #viewer,
    iframe {
        left: 0;
        top: var(--header-height);
        width: 100%;
        height: calc(100% - var(--header-height));
    }
    #viewer {
        padding-left: 0;
    }
}