.toc-offcanvas {
    position: fixed;
    visibility: hidden;
    top: 0;
    right: 0;
    z-index: 102;
    margin: 0;
    height: 100vh;
    min-width: 275px;
    max-width: 80%;
    box-shadow: 1px 0 8px 0 rgba(0, 0, 0, 0.35);
    transform: translate3d(100%, 0, 0);
    transition: transform 250ms linear;
    will-change: transform;
    overflow-y: auto;
    background-color: #eaecf0;
    scrollbar-width: thin;

    > ul {
        list-style: none;
        margin: 0;
        padding: 0;

        a.list-item {
            text-decoration: none;

            &:hover,
            &:active,
            &:focus,
            &:visited {
                color: #54595d;
            }
        }

        .list-item {
            display: block;
            color: #54595d;
            background-color: #fff;
            border-top: 1px solid #eaecf0;
            max-width: 100%;
            padding: 12px 10px 12px 15px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;

            .title {
                margin-inline-start: 10px;
            }

            &:active {
                background-color: #ccc;
            }

            &:first-of-type {
                border-top: none;
                margin-top: 8px;
            }

            &:last-of-type {
                margin-bottom: 8px;
            }

            &.active {
                box-shadow: inset 4px 0 0 0 #3366cc;
            }
        }
    }
}

.toc-offcanvas-cover {
    position: fixed;
    visibility: hidden;
    pointer-events: none;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 101;
    transition: opacity 250ms linear;
    will-change: opacity;
}

.toc-offcanvas-btn {
    position: fixed;
    z-index: 50;
    right: 18px;
    bottom: 6em;
    bottom: 20vh;
    display: flex;
    width: 50px;
    height: 50px;
    padding: 0;
    border: 1px #eee solid;
    outline: none;
    align-items: center;
    justify-content: center;
    text-align: center;
    border-radius: 50%;
    text-shadow: none;
    background-color: rgba(255, 255, 255, 0.95);
    color: #333;
    box-shadow: 0 4px 16px 0 rgba(0, 0, 0, 0.12);

    &:hover {
        background-color: rgba(255, 255, 255, 0.9);
        color: #000;
    }

    @media screen and (min-width: 768px) {
        right: 24px;
    }

    @media screen and (min-width: 1340px) {
        right: 44px;
    }
}

body.toc-offcanvas-show {
    overflow: hidden;

    .toc-offcanvas-cover {
        visibility: visible;
        pointer-events: auto;
    }

    .toc-offcanvas {
        visibility: visible;
    }
}

body.toc-offcanvas-open {
    .toc-offcanvas-cover {
        opacity: 0.5;
    }

    .toc-offcanvas {
        transform: translate3d(0, 0, 0);
    }
}