components/Tabs/style/rtl.less
.@{tabs-prefix-cls}-rtl {
  direction: rtl;

  &.@{tabs-prefix-cls}-left {
    flex-direction: row-reverse;
  }

  &.@{tabs-prefix-cls}-right {
    flex-direction: row;
  }

  .@{tabs-prefix-cls} {
    &-close-icon {
      margin-left: 0;
      margin-right: @tabs-margin-close-icon-left;
    }

    &-left-icon,
    &-right-icon {
      margin-left: @tabs-spacing-nav-icon-header;
      margin-right: @tabs-padding-header-wrapper-horizontal;
    }
  }

  .@{tabs-prefix-cls}-header-nav-line {
    > .@{tabs-prefix-cls}-header-nav-horizontal {
      .@{tabs-prefix-cls}-header-scroll {
        > .@{tabs-prefix-cls}-header-title {
          &:first-of-type {
            margin-right: 0;
          }
        }
      }
    }
  }

  .@{tabs-prefix-cls}-header-nav-line,
  .@{tabs-prefix-cls}-header-nav-text {
    > .@{tabs-prefix-cls}-header-nav-horizontal {
      .@{tabs-prefix-cls}-header-no-padding {
        > .@{tabs-prefix-cls}-header-title {
          &:first-of-type {
            margin-right: 0;
          }
        }
      }
    }
  }

  .@{tabs-prefix-cls}-header-nav-card,
  .@{tabs-prefix-cls}-header-nav-card-gutter {
    .@{tabs-prefix-cls}-header-title-editable {
      padding-left: @tabs-card-padding-title-right_editable;
      padding-right: @tabs-card-padding-title-horizontal;
    }
  }

  .@{tabs-prefix-cls}-header-nav-card .@{tabs-prefix-cls}-header-title {
    border-right: @tabs-card-border-width solid @tabs-card-color-title-border;
    border-left: none;

    &:last-child {
      border-left: @tabs-card-border-width solid @tabs-card-color-title-border;
      border-top-left-radius: @tabs-card-border-radius;
      border-top-right-radius: 0;
    }

    &:first-child {
      border-top-left-radius: 0;
      border-top-right-radius: @tabs-card-border-radius;
    }
  }

  .@{tabs-prefix-cls}-header-nav-card-gutter .@{tabs-prefix-cls}-header-title {
    margin-right: @tabs-card-gutter-spacing-horizontal;

    &:first-child {
      margin-right: 0;
    }
  }

  .@{tabs-prefix-cls}-header-nav-text {
    .@{tabs-prefix-cls}-header-title {
      &:not(:first-of-type)::before {
        left: initial;
        right: -(@tabs-text-margin-title-horizontal + (@tabs-text-size-separator-width / 2));
      }
    }
  }

  .@{tabs-prefix-cls}-header-nav-capsule.@{tabs-prefix-cls}-header-nav-horizontal {
    .@{tabs-prefix-cls}-header-title:not(:first-of-type) {
      margin-left: 0;
      margin-right: @tabs-capsule-margin-title-horizontal;

      &::before {
        right: -(@tabs-capsule-margin-title-horizontal / 2) - (@tabs-capsule-size-separator-width /
              2);
        left: initial;
      }
    }
  }
}
