:root {
    --foreground: #DADADA;
}

* {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

body {
    background-color: black;
    background-image: url('./svg/layered-waves-haikei.svg');
    background-size: cover;

    display: flex;
    padding: 0px;
    margin: 0px;

    width: 100vw;
    height: 100vh;
}

img {
    pointer-events: none;
}

@keyframes card-opacity {
    0% {
        opacity: 0%;
        max-height: 0rem;
        padding: 0px 20px 0px 20px;
    }
    100% {
        max-height: 0rem;
        padding: 0px 20px 0px 20px;
    }
}

@keyframes card-height {
    0% {
    max-height: 0rem;
    padding: 0px 20px 0px 20px;
    }
}

.card {
    background: rgba( 0, 0, 0, 0.35 );
    backdrop-filter: blur( 7px );
    -webkit-backdrop-filter: blur( 7px );
    border: 0.25rem solid rgba( 0, 0, 0, 0.18 );
    color: var(--foreground);
    border-radius: 0px;

    margin: 0px;
    
    width: 100%;
    max-height: 100%;
    
    animation: 
    1s ease-out 0s 1 card-opacity,
    1s ease-out 1s 1 card-height;
    
    padding: 40px 20px 40px 20px;
    overflow: scroll;

    display: grid;
    grid-auto-flow: row;
    grid-template-columns: repeat(1, minmax(0,1fr));

    font-size: 1rem
}

.card p {
    text-align: center;
}

.avatar {
    margin: auto;
    border-radius: 100%;
    background-color: rgba(255, 255, 255, 0.333);
    border: 0.25rem solid rgba(255, 255, 255, 0.333);
}

.social-container {
    width: 100%;
    margin: auto;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.social-button {
    box-shadow: inset 0px 0px 0px 0.25rem var(--foreground);
    border-radius: 100%;
    width: 48px;
    height: 48px;
    display: grid;
    overflow: hidden;
}

.social-button:hover .btn-mask-inactive {
    opacity: 0;
    transition: opacity 0.25s;
}

.social-button:hover .btn-mask-active {
    opacity: 1;
    transition: opacity 0.25s;
}

.btn {
    background-color: var(--foreground);
}

.btn-mask {
    width: 200%;
    height: 200%;
    margin: -50%;    
    grid-row-start: 2;
    grid-row-end: 2;
    grid-column-start: 1;
    grid-column-end: 1;

    display: inline-block;

    background-color: var(--foreground);
}

.btn-mask-inactive {
    opacity: 1;
    -webkit-mask-composite: destination-in;
    mask-composite: intersect !important;
    
    transition: opacity 0.25s;
}

.btn-mask-active {
    opacity: 0;
    -webkit-mask-composite: destination-out;
    mask-composite: exclude !important;
    
    transition: opacity 0.25s;
}

.btn-mastodon {
    -webkit-mask: url(./svg/mastodon.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/mastodon.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 2rem;
    mask-size: 2rem;
}


.btn-bsky {
    -webkit-mask: url(./svg/bsky.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/bsky.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 1.5rem;
    mask-size: 1.5rem;
}

.btn-twitter {
    -webkit-mask: url(./svg/twitter.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/twitter.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 1.5rem;
    mask-size: 1.5rem;
}

.btn-cohost {
    -webkit-mask: url(./svg/cohost.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/cohost.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 2rem;
    mask-size: 2rem;
}

.btn-fa {
    -webkit-mask: url(./svg/fa.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/fa.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 2rem;
    mask-size: 2rem;
}

.btn-itaku {
    -webkit-mask: url(./svg/itaku.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/itaku.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 2rem;
    mask-size: 2rem;
}

.btn-telegram {
    -webkit-mask: url(./svg/telegram.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/telegram.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 3rem;
    mask-size: 3rem;
}

.btn-ko-fi {
    -webkit-mask: url(./svg/kofi.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);
    mask: url(./svg/kofi.svg) center/contain no-repeat,
    linear-gradient(#fff 0 0);

    -webkit-mask-size: 1.5rem;
    mask-size: 1.5rem;
}

.credit-text {
    transform: translate(0, 2rem);

    font-size: 0.5rem;
    color: lightgray;
}

.credit-text a {    
    color: lightgray;
}

.credit-text a:hover {    
    color: gray;
}

@media screen and (min-width: 50rem) {

    @keyframes card-opacity {
        0% {
            opacity: 0%;
            max-height: 0rem;
            padding: 40px 20px 0px 20px;
        }
        100% {
            max-height: 0rem;
            padding: 40px 20px 0px 20px;
        }
    }
    
    @keyframes card-height {
        0% {
        max-height: 0rem;
        padding: 40px 20px 0px 20px;
        }
    }
    
    .card {
        box-shadow: 0 8px 32px 0 rgba( 31, 38, 135, 0.37 );
        margin: auto;
        width: 30rem;
        max-height: 40rem;
        border-radius: 2rem;
        overflow: hidden;
    }
}