.gradient-mask {
    mask-image: linear-gradient( to right, white 0%, black 90% );
}

.gradient-mask-left {
    mask-image: linear-gradient( to left, white 0%, black 90% );
}

.gradient-mask-bottom {
    mask-image: linear-gradient( to bottom, white 0%, black 90% );
}

.dual-gradient-mask {
    mask-image: linear-gradient( 0%, black 0%, rgba( white, 0.9 ) 20%, white 80%, black 100% );
}

.scroll-background {
    animation-name: scroll;
}

.shorthand {
    mask: url( /UI/alpha.png ) 0 0 / 32px 32px repeat alpha;
}

.mask-scope {
    mask-image: url( /UI/alpha-inv.png );
    mask-mode: alpha;
    mask-scope: filter;
    filter-blur: 10px;
    filter-brightness: 0.25;
    mask-size: cover;
}

.luminance-mask {
    mask-image: url( /UI/background.png );
    mask-mode: luminance;
    background-color: #fff;
    mask-size: 256px;
}

.alpha-mask {
    mask-mode: alpha;
    mask-image: url( /UI/alpha.png );

    & p {
        top: 32px;
        left: 32px;
    }

    &.mask-repeat {
        mask-size: 128px;
    }

    &.mask-position {
        mask-size: 512px;
        mask-position: center;
    }
}

.background {
    background-image: url( /UI/background.png );
}

MaskImage {
    align-items: stretch;
    flex-direction: row;
    gap: 10px;
}

// --------------------------------------------------------------------------------

p {
    font-size: 18px;
    font-weight: bolder;
}

item {
    flex-direction: column;
    gap: 5px;
}

column {
    padding: 128px 64px;
    gap: 10px;
    justify-content: center;
    backdrop-filter: blur(5px);
    flex-grow: 1;
    flex-shrink: 1;
    overflow: scroll;
    width: 50%;

    &:last-child {
        flex-basis: 33%;
        width: 33%;
        background-image: url( /UI/background.png );
        background-position: center;
        background-size: cover;
    }

    & p {
        flex-shrink: 0;
        flex-grow: 1;
    }
}

row {
    width: 100%;
    gap: 10px;
    flex-wrap: wrap;
}

.image {
    flex-shrink: 0;
    width: 128px;
    height: 128px;
    aspect-ratio: 1;
    font-size: 10px;
    padding: 10px;
    color: white;
    transition: all 500ms ease;

    &:hover {
        width: 256px;
        height: 256px;
    }
}

stretch {
    flex-grow: 1;
    width: 100%;
}

@keyframes scroll {
    0% {
        background-position: 0px 0px;
    }

    100% {
        background-position: 256px 256px;
    }
}