#root {
    --bg-color-1: #262626;
    --bg-color-2: #363636;
    --bg-color-3-5: #3d3d3d;
    --bg-color-3: #464646;
    --text-color-1: #d6d6d6;
    --text-color-2: #a6a6a6;
    --color-error: #860000;

    #sidebar {
        position: fixed;
        top: 0;
        left: 0;

        height: 100%;

        width: 200px;
        & + #content {
            margin-left: 200px;
        }

        &.collapse {
            width: 50px;
            & + #content {
                margin-left: 50px;
            }
        }

        background-color: var(--bg-color-2);
        color: var(--text-color-2);

        #collapse {
            cursor: pointer;
            input {
                display: none;
            }
        }

        .menu {
            display: flex;
            flex-direction: column;
            align-items: center;
            font-weight: bold;

            width: 100%;
            height: calc(100% - 50px);

            a {
                text-decoration: none;
                color: inherit;
                font-weight: inherit;
                width: 100%;
            }

            .item {
                display: flex;
                justify-content: center;
                align-items: center;

                width: 100%;
                height: 50px;

                font-size: 16px;

                &:hover,
                &:focus {
                    background-color: var(--bg-color-3);
                    color: var(--text-color-1);

                    &.important {
                        background-color: var(--color-error);
                    }
                }
            }
        }
    }

    #content {
        overflow-x: hidden;
    }
}