amis/scss/components/_tabs.scss

.#{$ns}Tabs {
  &-links {
    border-bottom: $Tabs-borderWidth solid $Tabs-borderColor;
    padding-left: 0;
    margin-bottom: 0;
    list-style: none;
    user-select: none;

    &::before {
      display: table;
      content: ' ';
    }

    > .#{$ns}Tabs-link {
      margin-bottom: -$Tabs-borderWidth;
      display: inline-block;
      position: relative;

      > a:first-child {
        font-size: $Tabs-linkFontSize;
        outline: none;
        border: $Tabs-borderWidth solid transparent;
        border-top-left-radius: $Tabs-borderRadius;
        border-top-right-radius: $Tabs-borderRadius;
        color: $Tabs-color;
        margin: $Tabs-linkMargin;
        padding: $Tabs-linkPadding;
        text-decoration: none;
        cursor: pointer;
        display: block;
      }

      > .#{$ns}Combo-toolbarBtn {
        position: absolute;
        right: -10px;
        top: -10px;
        z-index: 10;
        display: none;
      }

      &:hover > .#{$ns}Combo-toolbarBtn {
        display: block;
      }

      &:hover > a:first-child,
      > a:first-child:focus {
        border-color: $Tabs-onHover-borderColor;
        text-decoration: none;
      }

      &.disabled,
      &.is-disabled {
        cursor: not-allowed;

        > a:first-child {
          color: $Tabs-onDisabled-color;
          background-color: transparent;
          border-color: transparent;
          pointer-events: none;
        }
      }

      &.active > a:first-child,
      &.is-active > a:first-child {
        color: $Tabs-onActive-color;
        background-color: $Tabs-onActive-bg;
        border-color: $Tabs-onActive-borderColor;
        border-bottom-color: transparent;
      }
    }
  }

  &-content {
    background-color: $Tabs-content-bg;
    padding: $gap-base;
    border-style: solid;
    border-width: 0 $Tabs-borderWidth $Tabs-borderWidth;
    border-color: $Tabs-borderColor;
  }

  &-pane {
    display: none;
    opacity: 0;
    transition: opacity 0.35s linear;

    &.is-active {
      display: block;
    }

    &.in {
      opacity: 1;
    }
  }

  &--line {
    > .#{$ns}Tabs-links {
      border-bottom-color: $Tabs--line-borderColor;

      > li {
        > a:first-child {
          border-width: 0 0 $Tabs--line-borderWidth 0;
          padding: $Tabs--line-linkPadding;
          margin: $Tabs--line-linkMargin;

          &:hover,
          &:focus {
            color: #666;
            background-color: transparent;
            border-color: transparent;
          }
        }

        &:last-child {
          > a {
            margin: 0;
          }
        }

        &.is-active {
          > a:first-child,
          > a:first-child:hover,
          > a:first-child:focus {
            border-color: $Tabs--line-onHover-borderColor;
            color: $Tabs--line-onHover-color;
            background-color: transparent;
          }
        }
      }
    }

    > .#{$ns}Tabs-content {
      border-width: 0;
      padding: $Tabs--line-content-padding;
      background-color: $Tabs--line-content-bg;
    }
  }

  &--card {
    > .#{$ns}Tabs-links {
      padding: $Tabs--card-padding;
      background-color: $Tabs--card-bg;
      border-top: px2rem(1px) solid $Tabs--card-borderTopColor;

      > li {
        &.is-active {
          > a:first-child,
          > a:first-child:hover,
          > a:first-child:focus {
            border-color: $Tabs--card-onActive-borderColor;
            color: $primary;
            border-bottom-color: $Tabs--card-onActive-bg;
            background-color: $Tabs--card-onActive-bg;
          }
        }

        > a:first-child {
          padding: $Tabs--card-linkPadding;
          margin: $Tabs--card-linkMargin;

          &:hover,
          &:focus {
            color: #666;
            background-color: $Tabs--card-onActive-bg;
            border-bottom-color: transparent;
          }
        }
      }
    }

    > .#{$ns}Tabs-content {
      border-width: 0;
    }
  }

  &--radio {
    > .#{$ns}Tabs-links {
      border: 0;
      margin-bottom: px2rem(10px);

      > li {
        margin: 0;

        > a:first-child {
          border-width: px2rem(1px);
          border-color: $Tabs-borderColor;
          font-size: $fontSizeSm;
          text-align: center;
          margin: 0;
          padding: 0 px2rem(10px);
          min-width: 68px;
          height: px2rem(30px);
          line-height: px2rem(30px);
          border-radius: 0;
          background: $Tabs--radio-bg;

          &:hover,
          &:focus {
            color: $primary;
          }
        }

        &.is-active {
          > a:first-child,
          > a:first-child:hover,
          > a:first-child:focus {
            color: $Tabs--radio-bg;
            background-color: $primary;
            border-color: $primary;
            position: relative;
            z-index: 1;
          }
        }
      }

      > li + li {
        margin-left: -1px;
      }
    }

    > .#{$ns}Tabs-content {
      border-top: $Tabs-borderWidth solid $Tabs-borderColor;
    }
  }

  &--vertical {
    display: flex;
    min-height: px2rem(200px);
    border: $Tabs-borderWidth solid $Tabs-borderColor;
    border-radius: 0;

    > .#{$ns}Tabs-links {
      width: px2rem(140px);
      background: #f5f5f5;
      border: none;
      padding-bottom: px2rem(60px);

      > li {
        margin: 0 0 0 -1px;
        display: block;

        > a:first-child {
          border-color: transparent;
          border-radius: 0;
          border-width: 0 0 0 px2rem(4px);
          margin: 0;

          &:hover,
          &:focus {
            color: $primary;
            border-color: transparent;
          }
        }

        &.is-active {
          > a:first-child,
          > a:first-child:hover,
          > a:first-child:focus {
            color: $primary;
            border-color: $primary;
          }
        }
      }
    }

    > .#{$ns}Tabs-content {
      border: none;
      flex-grow: 1;
    }
  }

  &-toolbar {
    display: inline-block;
    float: right;
    padding-top: $gap-xs;
  }
}