scinote-web/app/assets/stylesheets/partials/_tree_view.scss

// scss-lint:disable SelectorDepth
// scss-lint:disable NestingDepth
.tree {
  height: calc(100% - 30px);
  padding-bottom: 30px;

  .sidebar-root {
    padding-left: 0;
  }

  .branch,
  .leaf {
    list-style-type: none;
    margin: 0;
    position: relative;

    .tree-link {
      align-items: center;
      display: flex;
      height: 50px;
      position: relative;

      .btn-secondary {
        background: transparent;
        margin-left: 20px;
      }

      .tree-toggle {
        cursor: pointer;
        display: inline-block;
        line-height: 30px;
        position: absolute;
        text-align: center;
        top: 10px;
        width: 30px;
        z-index: 2;
      }

      .line-wrap {
        animation-timing-function: $timing-function-sharp;
        color: $color-volcano;
        flex-grow: 1;
        height: 100%;
        line-height: 50px;
        padding: 0 10px 0 30px;
        transition: .2s;

        &.disabled {
          color: $brand-primary;
          pointer-events: none;
        }
      }

      .canvas-center-on {
        animation-timing-function: $timing-function-sharp;
        color: $color-volcano;
        display: none;
        flex-basis: 36px;
        flex-shrink: 0;
        line-height: 50px;
        padding-right: 16px;
        text-align: center;
        transition: .2s;
      }

      &.active {
        .line-wrap {
          font-weight: bold;
        }
      }

      &:hover {
        .line-wrap {
          background-color: $color-alto;
          text-decoration: none;
        }

        .canvas-center-on {
          background-color: $color-alto;
        }
      }
    }

    &.active > .tree-link {
      background-color: $color-white;
      color: $brand-primary;
      font-weight: bold;

      .line-wrap {
        background-color: $color-white;
        color: $brand-primary;
        text-decoration: none;
      }

      .canvas-center-on {
        background-color: $color-white;
        color: $brand-primary;
      }
    }

    &.show-canvas-handler {
      .canvas-center-on {
        display: inline-block;
      }
    }
  }

  .leaf {
    .tree-link {
      .line-wrap {
        padding-left: 10px;
      }
    }
  }
}

#repo-tree {
  height: calc(100% - 50px);

  .line-wrap {
    padding-right: 3em;
  }

  .fas-custom {
    flex-shrink: 0;
    margin-right: 1em;
    position: absolute;
    right: 0;
    top: 17px;
  }

  .active {
    .fas-custom {
      fill: $brand-primary;
    }
  }
}