.nucleus-tabs {

  $self: &;

  display: flex;
  flex-direction: column;
  width: 100%;

  &__list {
    width: 100%;
    overflow: scroll hidden;

    &__container {
      display: flex;
      flex-wrap: nowrap;
      width: 100%;
      padding: 0 12px;
      border-bottom: 1px solid $color-smoke-50;
    }

    &__item {
      flex-shrink: 0;
      position: relative;
      text-align: center;
      line-height: 20px;
      padding: 10px 8px;
      margin: 0 4px;
      font-size: 14px;
      color: $color-smoke-700;

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

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

      &::before {
        display: block;
        content: attr(title);
        font-weight: 500;
        height: 0;
        overflow: hidden;
        visibility: hidden;
      }

      &::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: -1px;
        width: 100%;
        box-sizing: border-box;
      }

      &:hover {
        outline: none;
        border: 0;
        box-shadow: none;
        cursor: pointer;

        &::after {
          border-bottom: 2px solid $color-smoke-100;
        }
      }

      &:focus {
        outline: none;
        border: 0;
        box-shadow: none;

        &::after {
          height: calc(100% + 1px);
          border: 2px solid $color-azure-800;
          border-radius: 4px;
        }
      }

      &.is-pressed {
        &::after {
          border: 0;
          border-radius: 0;
          border-bottom: 0;
        }

        &:hover::after {
          border-bottom: 2px solid $color-smoke-100;
        }

        &.is-active::after {
          border-bottom: 2px solid $color-azure-800;
        }
      }

      &.is-active {
        color: $color-azure-800;
        font-weight: 500;

        &::after {
          border-bottom: 2px solid $color-azure-800;
        }
      }

      &.is-disabled {
        color: $color-smoke-300;

        &:hover {
          cursor: default;

          &::after {
            display: none;
          }
        }
      }
    }
  }

  &__panel {
    width: 100%;
    display: none;

    &.is-active {
      display: block;
    }
  }

  &--background {
    #{ $self }__list {
      background: $color-smoke-25;
      border: 1px solid $color-smoke-50;
      border-radius: 4px;
    }
  }
}