@vcui-tabs-line-border: 1px;
@vcui-tabs-line-border-radius: 5px;
@vcui-tabs-line-font-size: 14px;
@vcui-tabs-line-padding-horizontal: 12px;
@vcui-tabs-line-padding-vertical: 16px;
@vcui-tabs-line-active-background: #fff;
@vcui-tabs-line-hover-background: @vc_main_color_hover;
@vcui-tabs-line-hover-text: #fff;
@vcui-tabs-line-active-color: #5e5e5e;
@vcui-tabs-line-transition-duration: .2s;
@vcui-tabs-line-transition-properties: color, background, border;

@vcui-tabs-line-dropdown-z-index: 1010;
@vcui-tabs-line-dropdown-max-width: 300px;
@vcui-tabs-line-dropdown-border-size: 1px;
@vcui-tabs-line-dropdown-border-color: #dbdbdb;
@vcui-tabs-line-dropdown-background: #f5f5f5;
@vcui-tabs-line-dropdown-background-hover: @vc_main_color_hover;
@vcui-tabs-line-dropdown-trigger-color: #5e5e5e;
@vcui-tabs-line-dropdown-trigger-padding-vertical: 10px;
@vcui-tabs-line-dropdown-trigger-padding-horizontal: 10px;
@vcui-tabs-line-dropdown-font-size: 12px;
@vcui-tabs-line-dropdown-o-bounded-rows-count: 7;

.vc_general.vc_ui-tabs-line {
  padding: 0;
  margin: 0;
  list-style: none;

  > li {
    float: left;
    margin: 0;
    padding: 0;
  }
  > .vc_ui-tabs-line-dropdown-toggle {
    float: right;
  }
  .vc_ui-tabs-line-trigger {
    box-sizing: border-box;
    display: block;
    text-transform: none;
    border: @vcui-tabs-line-border solid transparent;
    font-size: @vcui-tabs-line-font-size;
    font-weight: 400;
    line-height: 1;
    background: transparent;
    color: inherit;
    text-decoration: none;
    font-family: inherit;
    padding: @vcui-tabs-line-padding-vertical @vcui-tabs-line-padding-horizontal;
    margin: 0;
    outline: none;
    transition-property: @vcui-tabs-line-transition-properties;
    transition-duration: @vcui-tabs-line-transition-duration;
    transition-timing-function: ease-in-out;
    border-radius: @vcui-tabs-line-border-radius @vcui-tabs-line-border-radius 0 0;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    text-align: left;
    &:hover,
    &:focus {
      border: @vcui-tabs-line-border solid transparent;
      background-color: @vcui-tabs-line-hover-background;
      color: @vcui-tabs-line-hover-text;
    }
    &:active {
      box-shadow: none;
    }
  }
  > .vc_active {
    > .vc_ui-tabs-line-trigger {
      background-color: @vcui-tabs-line-active-background;
      color: @vcui-tabs-line-active-color;
      cursor: default;
    }
  }
  &::after {
    content: "";
    display: table;
    clear: both;
  }
}

.vc_ui-tabs-line .vc_ui-tabs-line-dropdown-toggle {
  position: absolute;
  float: right;
  visibility: hidden;
  &.vc_visible {
    visibility: visible;
    position: relative;
  }
  > .vc_ui-tabs-line-trigger {
    &::after {
      content: '. . .';
      font-weight: 600;
      display: inline;
    }
  }
  &.vc_active {
    > .vc_ui-tabs-line-trigger {
      background-color: @vcui-tabs-line-hover-background;
      color: inherit;
      cursor: pointer;
    }
  }
}

.vc_ui-tabs-line .vc_ui-tabs-line-dropdown {
  position: absolute;
  z-index: @vcui-tabs-line-dropdown-z-index;
  top: 100%;
  right: 0;
  display: none;
  overflow: hidden;
  transition-property: height, padding;
  transition-duration: .2s;
  transition-timing-function: ease-in-out;
  padding: 0;
  margin: 0;
  list-style: none;
  max-width: @vcui-tabs-line-dropdown-max-width;
  box-shadow: 0 0 5px rgba(0, 0, 0, .1);
  background: @vcui-tabs-line-dropdown-background;
  border: @vcui-tabs-line-dropdown-border-size solid @vcui-tabs-line-dropdown-border-color;
  li {
    margin: 0;
    padding: 0;
  }
  &.vc_active,
  &.vc_animating {
    display: block;
  }
  .vc_ui-tabs-line-trigger {
    padding: @vcui-tabs-line-dropdown-trigger-padding-vertical @vcui-tabs-line-dropdown-trigger-padding-horizontal;
    border-radius: 0;
    font-size: @vcui-tabs-line-dropdown-font-size;
    color: @vcui-tabs-line-dropdown-trigger-color;
    width: 100%;
    &:hover {
      background-color: @vcui-tabs-line-dropdown-background-hover;
    }
  }
  .vc_active {
    .vc_ui-tabs-line-trigger {
      background-color: @vcui-tabs-line-dropdown-background-hover;
      color: @vcui-tabs-line-hover-text;
      cursor: default;
    }
  }
}

// initializing
.vc_ui-tabs-line {
  opacity: 1;
  transition: opacity @vcui-tabs-line-transition-duration ease-in-out;
  &.vc_initializing {
    transition: opacity 0ms;
    opacity: 0;
    > li:not(:first-child):not(.vc_ui-tabs-line-dropdown-toggle) {
      position: absolute;
      visibility: hidden;
    }
  }
}
