// ==========================================================================
// Mixins
// ==========================================================================

// Convert a <button> into an <a>
// ---------------------------------------
@mixin cancel-button-styles() {
  background: transparent;
  border: 0;
  border-radius: 0;
  cursor: pointer;
  font: inherit;
  line-height: $line-height-base;
  margin: 0;
  padding: 0;
  position: relative;
  text-align: inherit;
  text-shadow: inherit;
  -moz-user-select: text; // stylelint-disable-line
  vertical-align: baseline;
  width: auto;
}

// Nicer focus styles
// ---------------------------------------
@mixin tab-focus($color: $tab-focus-default-color) {
  box-shadow: 0 0 0 3px rgba($color, 0.35);
  outline: 0;
}

// Use rems for font sizing
// Leave <body> at 100%/16px
// ---------------------------------------
@function calculate-rem($size) {
  $rem: $size / 16;
  @return #{$rem}rem;
}

@mixin font-size($size: $font-size-base) {
  font-size: $size * 1px; // Fallback in px
  font-size: calculate-rem($size);
}

// Font smoothing
// ---------------------------------------
@mixin font-smoothing($enabled: true) {
  @if $enabled {
    -moz-osx-font-smoothing: grayscale;
    -webkit-font-smoothing: antialiased;
  } @else {
    -moz-osx-font-smoothing: auto;
    -webkit-font-smoothing: subpixel-antialiased;
  }
}
