goauto/web/src/styles/sidebar.scss

@use './variables.scss' as *;

#app {

  .main-container {
    min-height: 100%;
    transition: margin-left .28s;
    margin-left: $sideBarWidth;
    position: relative;
  }

  .sidebar-container {
    -webkit-transition: width .28s;
    transition: width 0.28s;
    width: $sideBarWidth !important;
    background-color: $menuBg;
    height: 100%;
    position: fixed;
    font-size: 0px;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 1001;
    overflow: hidden;
    -webkit-box-shadow: 2px 0 6px rgba(0, 21, 41, .35);
    box-shadow: 2px 0 6px rgba(0, 21, 41, .35);

    .horizontal-collapse-transition {
      transition: 0s width ease-in-out, 0s padding-left ease-in-out, 0s padding-right ease-in-out;
    }

    .scrollbar-wrapper {
      overflow-x: hidden !important;
    }

    .el-scrollbar__bar.is-vertical {
      right: 0px;
    }

    .el-scrollbar {
      height: 100%;
    }

    &.has-logo {
      .el-scrollbar {
        height: calc(100% - 64px);
      }
    }

    .is-horizontal {
      display: none;
    }

    a {
      display: inline-block;
      width: 100%;
      overflow: hidden;
    }

    .svg-icon {
      margin-right: 16px;
    }

    .el-menu {
      border: none;
      height: 100%;
      width: 100% !important;
      --el-menu-bg-color: #{$menuBg};
      background-color: $menuBg !important;
      border-right: none !important;
    }

    // 统一菜单项高度（Element Plus 2.x 默认 56px 偏大，收紧至 50px）
    .el-menu-item,
    .el-sub-menu__title,
    .el-submenu__title {
      height: 50px !important;
      line-height: 50px !important;
      overflow: hidden !important;
      text-overflow: ellipsis !important;
      white-space: nowrap !important;
      color: #fff !important;
    }

    // 顶级 el-menu-item（如"首页"）必须设置深色背景，否则白字不可见
    .el-menu-item {
      background-color: $menuBg !important;

      &:hover {
        background-color: $menuHover !important;
      }

      &.is-active {
        background-color: $subMenuBg !important;
        color: $menuActiveText !important;
      }
    }

    // 展开的子菜单 el-menu-item 强制暗色背景 + 白色文字
    .el-sub-menu .el-menu-item,
    .el-submenu .el-menu-item {
      background-color: $subMenuBg !important;
      color: #fff !important;
      min-width: $sideBarWidth !important;

      &:hover {
        background-color: $subMenuHover !important;
      }

      &.is-active {
        color: $menuActiveText !important;
      }
    }

    // 嵌套子菜单标题
    .nest-menu .el-sub-menu > .el-sub-menu__title,
    .nest-menu .el-submenu > .el-submenu__title {
      background-color: $subMenuBg !important;
      color: #fff !important;
      min-width: $sideBarWidth !important;

      &:hover {
        background-color: $subMenuHover !important;
      }
    }

    // 父级菜单标题 hover 效果
    .submenu-title-noDropdown,
    .el-sub-menu__title,
    .el-submenu__title {
      &:hover {
        background-color: $menuHover !important;
      }
    }

    .is-active > .el-sub-menu__title,
    .is-active > .el-submenu__title {
      color: $subMenuActiveText !important;
    }
  }

  .hideSidebar {
    .sidebar-container {
      width: 54px !important;
    }

    .main-container {
      margin-left: 54px;
    }

    .submenu-title-noDropdown {
      padding: 0 !important;
      position: relative;

      .el-tooltip {
        padding: 0 !important;

        .svg-icon {
          margin-left: 20px;
        }
      }
    }

    .el-sub-menu,
    .el-submenu {
      overflow: hidden;

      > .el-sub-menu__title,
      > .el-submenu__title {
        padding: 0 !important;

        .svg-icon {
          margin-left: 20px;
        }
      }
    }

    .el-menu--collapse {
      .el-sub-menu,
      .el-submenu {
        > .el-sub-menu__title,
        > .el-submenu__title {
          > span {
            height: 0;
            width: 0;
            overflow: hidden;
            visibility: hidden;
            display: inline-block;
          }
        }
      }
    }
  }

  .el-menu--collapse .el-menu .el-sub-menu,
  .el-menu--collapse .el-menu .el-submenu {
    min-width: $sideBarWidth !important;
  }

  // mobile responsive
  .mobile {
    .main-container {
      margin-left: 0px;
    }

    .sidebar-container {
      transition: transform .28s;
      width: $sideBarWidth !important;
    }

    &.hideSidebar {
      .sidebar-container {
        pointer-events: none;
        transition-duration: 0.3s;
        transform: translate3d(-$sideBarWidth, 0, 0);
      }
    }
  }

  .withoutAnimation {

    .main-container,
    .sidebar-container {
      transition: none;
    }
  }
}

// when menu collapsed
.el-menu--vertical {
  > .el-menu {
    .svg-icon {
      margin-right: 16px;
    }
  }

  .nest-menu .el-sub-menu > .el-sub-menu__title,
  .nest-menu .el-submenu > .el-submenu__title,
  .el-menu-item {
    &:hover {
      background-color: rgba(0, 0, 0, 0.06) !important;
    }
  }

  // the scroll bar appears when the subMenu is too long
  > .el-menu--popup {
    max-height: 100vh;
    overflow-y: auto;

    &::-webkit-scrollbar-track-piece {
      background: #d3dce6;
    }

    &::-webkit-scrollbar {
      width: 6px;
    }

    &::-webkit-scrollbar-thumb {
      background: #99a9bf;
      border-radius: 20px;
    }
  }
}