/* A camada escura suaviza somente a fotografia, sem apagar os itens. */
.app-sidebar {
    background-color: #071321;
    background-image:
        linear-gradient(180deg, rgba(7, 19, 33, .84), rgba(7, 19, 33, .74) 55%, rgba(6, 17, 29, .84)),
        url("../../img/menu-principal-torre.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
}
.app-sidebar .app-nav__grupo h2,
.app-sidebar .app-sidebar__perfil small { color: #b3c6d8; }
.app-sidebar .app-nav__item:not(.app-nav__item--ativo):not(:hover) { color: #cedae6; }
.app-sidebar .app-nav__subitem:not(.app-nav__subitem--ativo):not(:hover) { color: #bacada; }
.app-sidebar .app-sidebar__rodape,
.app-sidebar .app-sidebar__fornecedor small,
.app-sidebar .app-sidebar__marca-mini { color: #b3c6d8; }