/* $social-button
 ------------------------------------------*/

@bs-height-base: 2.125rem;
@bs-height-lg: 2.875rem;
@bs-height-sm: 1.75rem;
@bs-height-xs: 1.375rem;
.btn-icon {
  position: relative;
  overflow: hidden;
  padding-top: 0.5rem;
  padding-bottom: 0.5rem;
  padding-left: (@bs-height-base + @padding-base-horizontal);
  border-width: 0;
  text-overflow: ellipsis;
  :first-child {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: @bs-height-base;
    text-align: center;
    line-height: @bs-height-base;
    background: rgba(0, 0, 0, 0.1);
    border-right: 1px solid rgba(0, 0, 0, 0.03);
  }
  &.btn-lg {
    :first-child {
      width: @bs-height-lg;
      line-height: @bs-height-lg;
    }
  }
  &.btn-sm {
    :first-child {
      width: @bs-height-sm;
      line-height: @bs-height-sm;
    }
  }
  &.btn-xs {
    :first-child {
      width: @bs-height-xs;
      line-height: @bs-height-xs;
    }
  }
}

.btn-lg.btn-icon,
.btn-group-lg > .btn.btn-icon {
  padding-top: 0.875rem;
  padding-bottom: 0.875rem;
  padding-left: (@bs-height-lg + @padding-large-horizontal);
}

.btn-sm.btn-icon,
.btn-group-sm > .btn.btn-icon {
  padding-top: 0.3125rem;
  padding-bottom: 0.3125rem;
  padding-left: (@bs-height-sm + @padding-small-horizontal);
}

.btn-xs.btn-icon,
.btn-group-xs > .btn.btn-icon {
  padding-top: 0.1875rem;
  padding-bottom: 0.1875rem;
  padding-left: (@bs-height-xs + @padding-small-horizontal);
}

.btn-icon-icon {
  padding: 0;
  width: @bs-height-base;
  height: @bs-height-base;
  border-width: 1px;
  .btn-icon;
  padding-left: 0;
  :first-child {
    width: 100%!important;
    border: none;
    background-color: transparent;
    text-align: center;
  }
  &.btn-lg {
    padding-right: 0;
    padding-left: 0;
    .square(@bs-height-lg);
  }
  &.btn-sm {
    padding-right: 0;
    padding-left: 0;
    .square(@bs-height-sm);
  }
  &.btn-xs {
    padding-right: 0;
    padding-left: 0;
    .square(@bs-height-xs);
  }
}

.btn-social(@color-bg,
@color: #fff) {
  background-color: @color-bg;
  .button-variant(@color, @color-bg, @color-bg);
}

.btn-adn           { .btn-social(#d87a68); }
.btn-bitbucket     { .btn-social(#205081); }
.btn-dropbox       { .btn-social(#1087dd); }
.btn-facebook      { .btn-social(#3b5998); }
.btn-flickr        { .btn-social(#ff0084); }
.btn-foursquare    { .btn-social(#f94877); }
.btn-github        { .btn-social(#444444); }
.btn-google        { .btn-social(#dd4b39); }
.btn-instagram     { .btn-social(#3f729b); }
.btn-linkedin      { .btn-social(#007bb6); }
.btn-microsoft     { .btn-social(#2672ec); }
.btn-odnoklassniki { .btn-social(#f4731c); }
.btn-openid        { .btn-social(#f7931e); }
.btn-pinterest     { .btn-social(#cb2027); }
.btn-reddit        { .btn-social(#eff7ff, #000); }
.btn-soundcloud    { .btn-social(#ff5500); }
.btn-tumblr        { .btn-social(#2c4762); }
.btn-twitter       { .btn-social(#55acee); }
.btn-vimeo         { .btn-social(#1ab7ea); }
.btn-vk            { .btn-social(#587ea3); }
.btn-yahoo         { .btn-social(#720e9e); }