.tab-page(@n, @i: 1) when (@i =< @n) {
  &:nth-child(@{i}) {
    ~ .tab-pages {
      > *:nth-child(@{i}) {
        display: block;
      }
    }
  }
  .tab-page(@n, (@i + 1));
}

.tab-page-table(@n, @i: 1) when (@i =< @n) {
  &:nth-child(@{i}) {
    ~ .tab-pages {
      > *:nth-child(@{i}) {
        display: table-group;
      }
    }
  }
  .tab-page-table(@n, (@i + 1));
}

.tab-nav(@n, @i: 1) when (@i =< @n) {
  &:nth-child(@{i}) {
    ~ .@{tab-navs} {
      .@{tab-labels} {
        > *:nth-child(@{i}) {
          .tab-nav-active;
        }
      }
      .@{tab-addons} {
        > *:nth-child(@{i}) {
          display: block;
        }
      }
    }
  }
  .tab-nav(@n, (@i + 1));
}


.@{tabs} {
  > input[type="radio"] {
    display: none;
    &:checked {
      .tab-page(@tabs-pages);
      .tab-nav(@tabs-pages);
    }
  }

  .@{tab-pages} {
    > * {
      display: none;
      &.@{active} {
        display: block;
      }
    }
  }
  .@{tab-navs} {
    .@{tab-labels} {
      > .@{active} {
        .tab-nav-active;
      }
    }
    .@{tab-addons} {
      > * {
        display: none;
        &.@{active} {
          display: block;
        }
      }
    }
  }
}