.loader-container{
    position: absolute;
    width: 100vw;
    height: 100vh;

    background: var(--background);

    display: flex;
    justify-content: center;
    align-items: center;

    z-index: 1000;
}

.loader {
    width: 16px;
    height: 16px;
    position: relative;
    left: -32px;
    border-radius: 50%;
    color: #fff;
    background: currentColor;
    box-shadow: 32px 0, -32px 0, 64px 0;
}

    .loader::after {
        content: '';
        position: absolute;
        left: -32px;
        top: 0;
        width: 16px;
        height: 16px;
        border-radius: 10px;
        background: var(--card-title-background);
        animation: move 1.5s linear infinite alternate;
    }

@keyframes move {
    0%, 5% {
        left: -32px;
        width: 16px;
    }

    15%, 20% {
        left: -32px;
        width: 48px;
    }

    30%, 35% {
        left: 0px;
        width: 16px;
    }

    45%, 50% {
        left: 0px;
        width: 48px;
    }

    60%, 65% {
        left: 32px;
        width: 16px;
    }

    75%, 80% {
        left: 32px;
        width: 48px;
    }

    95%, 100% {
        left: 64px;
        width: 16px;
    }
}