/**
 * Tabs Style
 */
@import '../variables/index.scss';

.at-tabs {
  overflow: hidden;

  /* element */
  &__header {
    margin-bottom: 16px;
    font-size: 0;
    border-bottom: 1px solid $tabs-border-color;
  }
  &__nav {
    position: relative;
    margin-bottom: -1px;
    height: $tabs-nav-height;
    color: $tabs-navigation-color;
    font-size: $tabs-nav-font-size;
    overflow: hidden;
  }
  &__nav-wrap {
    overflow: hidden;
  }
  &__prev, &__next {
    position: absolute;
    top: 0;
    width: $tabs-navigation-btn-width;
    height: 100%;
    transition: color .3s;
    cursor: pointer;

    &:hover {
      color: $tabs-navigation-color-hover;;
    }

    &--disabled {
      color: $tabs-navigation-color-disabled;
      cursor: default;

      &:hover {
        color: $tabs-navigation-color-disabled;
      }
    }

    .icon {
      position: absolute;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%)
    }
  }
  &__prev {
    left: 0;
  }
  &__next {
    right: 0;
  }
  &__body {
    font-size: 0;
    white-space: nowrap;
    transition: all .3s;
  }
  &__extra {
    float: right;
    margin-top: 6px;
  }
  &__pane {
    display: inline-block;
    width: 100%;
    white-space: initial;
    vertical-align: top;
  }

  /* modifier */
  &--small {
    .at-tabs__header {
      margin-bottom: 12px;
    }
    .at-tabs__nav {
      height: $tabs-nav-height-sm;
    }
    .at-tabs-nav__item {
      margin-right: 16px;
      padding: $tabs-nav-item-padding-sm;
      line-height: $tabs-nav-height-sm;
      font-size: $tabs-nav-font-size-sm;
    }
    .at-tabs__extra {
      margin-top: 3px;
    }
  }
  &--card {
    &.at-tabs--small {
      .at-tabs-nav__item {
        line-height: $tabs-nav-height-sm - 2;
      }
    }

    .at-tabs-nav__item {
      margin: 0 2px 0 0;
      line-height: $tabs-nav-height - 2;
      border: 1px solid $tabs-border-color;
      border-radius: 4px 4px 0 0;
      background-color: $tabs-nav-item-bg-color-card;
      transition: background-color .3s;

      &::after {
        content: normal
      }

      &--active {
        border-bottom-color: transparent;
        background-color: $tabs-nav-item-bg-color;
      }
    }
  }
  &--scroll {
    .at-tabs__nav {
      padding: 0 $tabs-navigation-btn-width;
    }
  }
}

.at-tabs-nav {
  display: inline-block;
  white-space: nowrap;
  transition: transform .3s;

  /* element */
  &__icon {
    margin-right: 8px;
  }
  &__close {
    position: absolute;
    margin-left: 2px;
    color: $tabs-nav-item-icon-color;
    opacity: 0;
    transition: all .3s;

    &:hover {
      color: $tabs-nav-item-icon-color-hover;
    }
  }
  &__item {
    position: relative;
    display: inline-block;
    margin-right: 24px;
    padding: $tabs-nav-item-padding;
    line-height: $tabs-nav-height;
    transition: color .3s;
    cursor: pointer;

    &:last-of-type {
      margin-right: 0;
    }
    &::after {
      content: '';
      position: absolute;
      left: 0;
      width: 100%;
      height: 2px;
      bottom: 0;
      background-color: $menu-item-text-color-active;
      transform: scaleX(0);
      transition: all .15s;
    }
    &:not(&--disabled):hover {
      color: $menu-item-text-color-active;
    }

    &--active {
      color: $menu-item-text-color-active;

      &::after {
        transform: scaleX(1)
      }
    }
    &--disabled {
      color: $tabs-navigation-color-disabled;
      cursor: default;
    }
    &--closable {
      &:hover {
        .at-tabs-nav__close {
          opacity: 1;
        }
      }
    }
  }
}