tghandbook/style/ui.scss

html,
body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden;
}

.bgimage {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 0;
    img {
        opacity: 0.4;
        width: 80vmin;
    }
}

body {
    background: linear-gradient(to bottom, darken($nanotrasen, 20%), darken($nanotrasen, 10%));
    background-size: 100% 100%;
    background-attachment: fixed;
    color: #fff;
    font-family: "Iosevka Aile Web", sans-serif;
    font-size: 9pt;
    line-height: 1.6em;
}

#app {
    height: 100%;
    display: flex;
    flex-direction: column;

    &.waiting {
        #tab-list,
        #section-list {
            display: none;
        }
    }
}

::-webkit-scrollbar {
    width: 14pt;
}

::-webkit-scrollbar-track {
    background: linear-gradient(to bottom, darken($nanotrasen, 0%), darken($nanotrasen, 10%), darken($nanotrasen, 0%));
    border: 1px solid lighten($nanotrasen, 10%);
}

::-webkit-scrollbar-thumb {
    border-radius: 2px;
    background: linear-gradient(
        to bottom,
        lighten($nanotrasen, 20%),
        lighten($nanotrasen, 30%),
        lighten($nanotrasen, 20%)
    );
    border: 1px solid lighten($nanotrasen, 10%);
}

.speen {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 12pt;
    img {
        width: 60vmin;
        max-height: 100%;
        opacity: 0.9;
        padding-bottom: 1em;
    }
}

#tabs {
    flex: 1;
    z-index: 1;
    display: grid;
    overflow: hidden;
    .page {
        //visibility: hidden;
        will-change: display;
        &:not(.active) {
            display: none;
        }
        overflow-y: auto;
        grid-row: 1;
        grid-column: 1;
        &.active {
            //visibility: visible;
            &.waiting {
                user-select: none;
                position: fixed;
                top: 0;
                left: 0;
                width: 100vw;
                height: 100vh;
                overflow: hidden;
                display: flex;
                flex-direction: column;
                height: 100%;
            }
        }

        h1.pageheader {
            margin-top: 0;
            padding: 15pt 10pt;
        }

        p,
        h2,
        h3,
        h4 {
            padding-left: 10pt;
            padding-right: 10pt;
        }
        a[href] {
            color: white;
        }
        h1,
        h2,
        h3 {
            position: sticky;
            top: 0;
            background: $nanotrasen;
            padding: 10pt;
            z-index: 999;
        }
        .mw-headline {
            display: flex;
            align-items: center;
        }
    }
}

$section-active: darken($nanotrasen, 5%);
$tab-active: lighten($nanotrasen, 10%);

#section-list {
    z-index: 2;
    border-bottom: 2px solid $section-active;
    display: flex;
    .section {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        user-select: none;
        font-size: 9pt;
        padding: 3pt 7pt;
        text-transform: uppercase;
        color: lighten($nanotrasen, 60%);
        flex: 1;
        &.active {
            background-color: $section-active;
            color: white;
        }
        &:not(.active) {
            cursor: pointer;
            &:hover {
                background-color: darken($section-active, 10%);
            }
        }
    }
}

#tab-list {
    z-index: 2;
    display: flex;
    background-color: $section-active;
    border-bottom: 4px solid $tab-active;

    .tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        user-select: none;
        font-size: 7pt;
        padding: 2px 4px;
        padding-bottom: 0;
        text-transform: uppercase;
        flex: 1;
        max-width: 100px;

        img {
            height: 80%;
            max-height: 24px;
            margin: 0;
        }
        &.active {
            background-color: $tab-active;
        }
        &:not(.active) {
            cursor: pointer;
            &:hover {
                background-color: darken($tab-active, 8%);
            }
        }

        &.hidden {
            display: none;
        }
    }
}

noscript {
    position: fixed;
    top: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: transparent;
    width: 100%;
}

.loading-icons {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    user-select: none;
    font-size: 9pt;
    padding: 3pt 7pt;
    text-transform: uppercase;
    flex-wrap: wrap;
    div {
        border: 1px solid red;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    img {
        max-width: 32px;
    }
}