// _mixins.scss
//
// Useful utilities and mixins for SCSS files.

@mixin button-style($bgColor, $borderColor, $color) {
  color: $color;
	background-color: $bgColor;
	border-color: $borderColor;

  // Give desktop users something to play with
	&:hover {
    color: $color;
    text-decoration: none;

    // TODO: Verify if we should keep this or not. Feels weird on Safari
    // Since the button shows the hover state after clicking, but we only
    // want it on desktop
		//background-color: lighten($bgColor, 10%);
  }
	&.active, &:active {
		background-color: darken($bgColor, 8%);
    box-shadow: inset 0px 1px 3px rgba(0,0,0,0.12);
    border-color: darken($borderColor, 10%);
	}
}

//
// Mixins
// --------------------------------------------------


// UTILITY MIXINS
// --------------------------------------------------

// Clearfix
// --------
// For clearing floats like a boss h5bp.com/q
@mixin clearfix {
  *zoom: 1;
  &:before,
  &:after {
    display: table;
    content: "";
    // Fixes Opera/contenteditable bug:
    // http://nicolasgallagher.com/micro-clearfix-hack/#comment-36952
    line-height: 0;
  }
  &:after {
    clear: both;
  }
}

// Webkit-style focus
// ------------------
@mixin tab-focus() {
  // Default
  outline: thin dotted #333;
  // Webkit
  outline: 5px auto -webkit-focus-ring-color;
  outline-offset: -2px;
}

// Center-align a block level element
// ----------------------------------
@mixin center-block() {
  display: block;
  margin-left: auto;
  margin-right: auto;
}


// Sizing shortcuts
// -------------------------
@mixin size($height, $width) {
  width: $width;
  height: $height;
}
@mixin square($size) {
  @include size($size, $size);
}

// Placeholder text
// -------------------------
@mixin placeholder($color: $input-color-placeholder) {
  &:-moz-placeholder {
    color: $color;
  }
  &:-ms-input-placeholder {
    color: $color;
  }
  &::-webkit-input-placeholder {
    color: $color;
  }
}

// Text overflow
// -------------------------
// Requires inline-block or block for proper styling
@mixin text-overflow() {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


// FONTS
// --------------------------------------------------

@mixin font-family-serif() {
  font-family: $serif-font-family;
}
@mixin font-family-sans-serif() {
  font-family: $sans-font-family;
}
@mixin font-family-monospace() {
  font-family: $mono-font-family;
}
@mixin font-shorthand($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) {
  font-size: $size;
  font-weight: $weight;
  line-height: $lineHeight;
}
@mixin font-serif($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) {
  @include font-family-serif();
  @include font-shorthand($size, $weight, $lineHeight);
}
@mixin font-sans-serif($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) {
  @include font-family-sans-serif();
  @include font-shorthand($size, $weight, $lineHeight);
}
@mixin font-monospace($size: $baseFontSize, $weight: normal, $lineHeight: $baseLineHeight) {
  @include font-family-monospace();
  @include font-shorthand($size, $weight, $lineHeight);
}





// CSS3 PROPERTIES
// --------------------------------------------------

// Border Radius
@mixin border-radius($radius) {
  -webkit-border-radius: $radius;
     -moz-border-radius: $radius;
          border-radius: $radius;
}

// Single Corner Border Radius
@mixin border-top-left-radius($radius) {
  -webkit-border-top-left-radius: $radius;
      -moz-border-radius-topleft: $radius;
          border-top-left-radius: $radius;
}
@mixin border-top-right-radius($radius) {
  -webkit-border-top-right-radius: $radius;
      -moz-border-radius-topright: $radius;
          border-top-right-radius: $radius;
}
@mixin border-bottom-right-radius($radius) {
  -webkit-border-bottom-right-radius: $radius;
      -moz-border-radius-bottomright: $radius;
          border-bottom-right-radius: $radius;
}
@mixin border-bottom-left-radius($radius) {
  -webkit-border-bottom-left-radius: $radius;
      -moz-border-radius-bottomleft: $radius;
          border-bottom-left-radius: $radius;
}

// Single Side Border Radius
@mixin border-top-radius($radius) {
  @include border-top-right-radius($radius);
  @include border-top-left-radius($radius);
}
@mixin border-right-radius($radius) {
  @include border-top-right-radius($radius);
  @include border-bottom-right-radius($radius);
}
@mixin border-bottom-radius($radius) {
  @include border-bottom-right-radius($radius);
  @include border-bottom-left-radius($radius);
}
@mixin border-left-radius($radius) {
  @include border-top-left-radius($radius);
  @include border-bottom-left-radius($radius);
}

// Drop shadows
@mixin box-shadow($shadow...) {
  -webkit-box-shadow: $shadow;
     -moz-box-shadow: $shadow;
          box-shadow: $shadow;
}

// Transitions
@mixin transition($transition...) {
  -webkit-transition: $transition;
     -moz-transition: $transition;
       -o-transition: $transition;
          transition: $transition;
}
@mixin transition-delay($transition-delay) {
  -webkit-transition-delay: $transition-delay;
     -moz-transition-delay: $transition-delay;
       -o-transition-delay: $transition-delay;
          transition-delay: $transition-delay;
}
@mixin transition-duration($transition-duration) {
  -webkit-transition-duration: $transition-duration;
     -moz-transition-duration: $transition-duration;
       -o-transition-duration: $transition-duration;
          transition-duration: $transition-duration;
}

// Transformations
@mixin rotate($degrees) {
  -webkit-transform: rotate($degrees);
     -moz-transform: rotate($degrees);
      -ms-transform: rotate($degrees);
       -o-transform: rotate($degrees);
          transform: rotate($degrees);
}
@mixin scale($ratio) {
  -webkit-transform: scale($ratio);
     -moz-transform: scale($ratio);
      -ms-transform: scale($ratio);
       -o-transform: scale($ratio);
          transform: scale($ratio);
}
@mixin translate($x, $y) {
  -webkit-transform: translate($x, $y);
     -moz-transform: translate($x, $y);
      -ms-transform: translate($x, $y);
       -o-transform: translate($x, $y);
          transform: translate($x, $y);
}
@mixin skew($x, $y) {
  -webkit-transform: skew($x, $y);
     -moz-transform: skew($x, $y);
      -ms-transform: skewX($x) skewY($y); // See https://github.com/twitter/bootstrap/issues/4885
       -o-transform: skew($x, $y);
          transform: skew($x, $y);
  -webkit-backface-visibility: hidden; // See https://github.com/twitter/bootstrap/issues/5319
}
@mixin translate3d($x, $y, $z) {
  -webkit-transform: translate3d($x, $y, $z);
     -moz-transform: translate3d($x, $y, $z);
       -o-transform: translate3d($x, $y, $z);
          transform: translate3d($x, $y, $z);
}

// Backface visibility
// Prevent browsers from flickering when using CSS 3D transforms.
// Default value is `visible`, but can be changed to `hidden
// See git pull https://github.com/dannykeane/bootstrap.git backface-visibility for examples
@mixin backface-visibility($visibility){
  -webkit-backface-visibility: $visibility;
     -moz-backface-visibility: $visibility;
          backface-visibility: $visibility;
}

// Background clipping
// Heads up: FF 3.6 and under need "padding" instead of "padding-box"
@mixin background-clip($clip) {
  -webkit-background-clip: $clip;
     -moz-background-clip: $clip;
          background-clip: $clip;
}

// Background sizing
@mixin background-size($size) {
  -webkit-background-size: $size;
     -moz-background-size: $size;
       -o-background-size: $size;
          background-size: $size;
}


// Box sizing
@mixin box-sizing($boxmodel) {
  -webkit-box-sizing: $boxmodel;
     -moz-box-sizing: $boxmodel;
          box-sizing: $boxmodel;
}

// User select
// For selecting text on the page
@mixin user-select($select) {
  -webkit-user-select: $select;
     -moz-user-select: $select;
      -ms-user-select: $select;
       -o-user-select: $select;
          user-select: $select;
}

@mixin disable-user-select() {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -moz-user-select: -moz-none;
  user-select: none;
}

// Resize anything
@mixin resizable($direction) {
  resize: $direction; // Options: horizontal, vertical, both
  overflow: auto; // Safari fix
}

// CSS3 Content Columns
@mixin content-columns($columnCount, $columnGap: $gridGutterWidth) {
  -webkit-column-count: $columnCount;
     -moz-column-count: $columnCount;
          column-count: $columnCount;
  -webkit-column-gap: $columnGap;
     -moz-column-gap: $columnGap;
          column-gap: $columnGap;
}

// Optional hyphenation
@mixin hyphens($mode: auto) {
  word-wrap: break-word;
  -webkit-hyphens: $mode;
     -moz-hyphens: $mode;
      -ms-hyphens: $mode;
       -o-hyphens: $mode;
          hyphens: $mode;
}

@mixin box-orient($orientation) {
  box-orient: $orientation;
  -webkit-box-orient: $orientation;
  -moz-box-orient: $orientation;
}

@mixin box-flex($flex) {
  box-flex: 1;
  -webkit-box-flex: $flex;
  -moz-box-flex: $flex;
}

// Grid System
// -----------

// Centered container element
@mixin container-fixed() {
  margin-right: auto;
  margin-left: auto;
  padding-left:  ($grid-gutter-width / 2);
  padding-right: ($grid-gutter-width / 2);
  @include clearfix();
}

// Creates a wrapper for a series of columns
@mixin make-row($gutter: $grid-gutter-width) {
  margin-left:  ($gutter / -2);
  margin-right: ($gutter / -2);
  @include clearfix();
}

// Generate the extra small columns
@mixin make-xs-column($columns, $gutter: $grid-gutter-width) {
  position: relative;
  float: left;
  width: percentage(($columns / $grid-columns));
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  ($gutter / 2);
  padding-right: ($gutter / 2);
}

// Generate the small columns
@mixin make-sm-column($columns, $gutter: $grid-gutter-width) {
  position: relative;
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  ($gutter / 2);
  padding-right: ($gutter / 2);

  // Calculate width based on number of columns available
  @media (min-width: $screen-sm) {
    float: left;
    width: percentage(($columns / $grid-columns));
  }
}

// Generate the small column offsets
@mixin make-sm-column-offset($columns) {
  @media (min-width: $screen-sm) {
    margin-left: percentage(($columns / $grid-columns));
  }
}
@mixin make-sm-column-push($columns) {
  @media (min-width: $screen-sm) {
    left: percentage(($columns / $grid-columns));
  }
}
@mixin make-sm-column-pull($columns) {
  @media (min-width: $screen-sm) {
    right: percentage(($columns / $grid-columns));
  }
}

// Generate the medium columns
@mixin make-md-column($columns, $gutter: $grid-gutter-width) {
  position: relative;
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  ($gutter / 2);
  padding-right: ($gutter / 2);

  // Calculate width based on number of columns available
  @media (min-width: $screen-md) {
    float: left;
    width: percentage(($columns / $grid-columns));
  }
}

// Generate the large column offsets
@mixin make-md-column-offset($columns) {
  @media (min-width: $screen-md) {
    margin-left: percentage(($columns / $grid-columns));
  }
}
@mixin make-md-column-push($columns) {
  @media (min-width: $screen-md) {
    left: percentage(($columns / $grid-columns));
  }
}
@mixin make-md-column-pull($columns) {
  @media (min-width: $screen-md) {
    right: percentage(($columns / $grid-columns));
  }
}

// Generate the large columns
@mixin make-lg-column($columns, $gutter: $grid-gutter-width) {
  position: relative;
  // Prevent columns from collapsing when empty
  min-height: 1px;
  // Inner gutter via padding
  padding-left:  ($gutter / 2);
  padding-right: ($gutter / 2);

  // Calculate width based on number of columns available
  @media (min-width: $screen-lg) {
    float: left;
    width: percentage(($columns / $grid-columns));
  }
}

// Generate the large column offsets
@mixin make-lg-column-offset($columns) {
  @media (min-width: $screen-lg) {
    margin-left: percentage(($columns / $grid-columns));
  }
}
@mixin make-lg-column-push($columns) {
  @media (min-width: $screen-lg) {
    left: percentage(($columns / $grid-columns));
  }
}
@mixin make-lg-column-pull($columns) {
  @media (min-width: $screen-lg) {
    right: percentage(($columns / $grid-columns));
  }
}