// ------------------------------------
// T4 Utilities & Mixins
// ------------------------------------

//
// Insert Font Awesome Icons
// Default is Angle Right [http://fortawesome.github.io/Font-Awesome/icon/angle-right/]
@mixin icon($icon: "\f105") {
  content: $icon;
  display: inline-block;
  font-family: FontAwesome;
  font-weight: normal;
  font-style: normal;
}

//
// Insert Typography Separator
// Default is En Dash [https://www.typewolf.com/cheatsheet]
@mixin separator($sep: "–") {
  content: $sep;
  display: inline-block;
  margin: 0;
  padding: 0;
  font-weight: normal;
  font-style: normal;
}

//
// Vertical Align Anything
// Note: In some case, the Container need Height to working properly
@mixin vertical-align($position: relative) {
  position: $position;
  top: 50%;
  -webkit-transform: translateY(-50%);
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
}

// Social list
@mixin socials-list($icon-height: 32px, $icon-width: 32px, $icon-bg: transparent, $icon-color: $white) {
  margin: 0;
  list-style: none;
  line-height: 1;
  padding: 0;

  li {
    display: inline-block;
    padding: 0 calc($spacer / 6);

    a {
      display: block;
      opacity: 0.8;

      &:hover, &:focus, &:active {
        opacity: 1;
        text-decoration: none;
      }
    }
    
    i,
    span {
      display: block;
      height: $icon-height;
      line-height: $icon-height;
      text-align: center;
      width: $icon-width;

      @if $icon-bg != transparent {
        background-color: $icon-bg;
        border-radius: 3px;
        color: $icon-color;
        font-size: $icon-width - 6px;
        height: $icon-height + 5px;
        line-height: $icon-height + 5px;
        width: $icon-height + 5px;
      }
    }
  }
}


//
// LEGACY WITH BS4.
// --------------------------------------------------
@function theme-color($key: "primary") {
  @return map-get($theme-colors, $key);
}

// Hover mixin and `$enable-hover-media-query` are deprecated.
@mixin hover {
  &:hover { @content; }
}

// Prepend and append
.input-group-prepend,
.input-group-append {
  display: flex;

  .btn {
    position: relative;
    z-index: 2;

    &:focus {
      z-index: 3;
    }
  }

  .btn + .btn,
  .btn + .input-group-text,
  .input-group-text + .input-group-text,
  .input-group-text + .btn {
    margin-left: -$input-border-width;
  }
}

.input-group-prepend { margin-right: -$input-border-width; }
.input-group-append { margin-left: -$input-border-width; }


//
// MISC.
// --------------------------------------------------
.star {
  color: $yellow;
}

.red {
  color: $red;
}

// Wrap Element
.wrap {
  width: auto;
  clear: both;
}

// Center
.center,
.table td.center,
.table th.center {
  text-align: center;
}

// Hidden elements
.element-invisible {
  position: absolute;
  padding: 0;
  margin: 0;
  border: 0;
  height: 1px;
  overflow: hidden;
  width: 1px;
}

