@charset "UTF-8";
@import "compass";

// Remove useless vendor prefix
$support-for-original-webkit-gradients : false;
$experimental-support-for-microsoft    : false;
$experimental-support-for-opera : false;
$experimental-support-for-khtml : false;

// ------------------
// OUTPUT CONFIG
// ------------------

// User modifiable
$responsive : true !default;
$adaptive   : false !default;

// Shouldn't be modified by user
$user-mode   : false !default; // check whether the mixin call is coming from framework or user
$in-media    : false !default; // check whether the content is inside media query

// Must be true
$include-normalize  : true !default;
$include-typography : true !default;
$include-grid       : true !default;
$include-tile       : true !default;

// Default is false
$include-animate    : false !default;
$include-print      : false !default;
$include-code       : false !default;

// ----------
// COLOR
// ----------
$main-color    : #2a71e3 !default;
$sub-color     : #d7d7d7 !default;

$link-color    : $main-color !default;

$passive-color : #d7d7d7 !default;
$blue-color    : #2a71e3 !default;
$yellow-color  : #fac741 !default;
$red-color     : #d35400 !default;
$green-color   : #229e61 !default;

// ---------------
// GLOBAL VALUE
// ---------------
$g-radius : 3px !default;
$g-transition : all .2s ease-out !default;

// ----------------------------
// BASE FONT and LINE-HEIGHT
// ----------------------------
$body-font-size   : 16px !default;
$body-line-height : 1.5 !default;

// --------------
// EM CONVERTER
// --------------

// Strips unit and return plain number
@function stripUnit($num) {
  @return $num / ($num * 0 + 1);
}

// Convert the number to EM
@function convertToEm($value, $context: $body-font-size) {
  // if not number, return it as is
  @if type-of($value) != number { @return $value; }
  
  $value: stripUnit($value) / stripUnit($context) * 1em;
  // turn 0em into 0
  @if ($value == 0em) {
    $value: 0;
  }
  @return $value;
}

@function em($values, $context: $body-font-size) {
  // if only contain single number, convert it directly
  @if type-of($values) == number {
    @return convertToEm($values, $context);
  }
  
  // if contains multiple values, loop through it
  $emValues   : ();
  @each $val in $values {
    $emValues: append($emValues, convertToEm($val, $context) );
  }
  @return join((), $emValues, space );
}

// -------------------
// MEDIA QUERIES
// -------------------
$mini-screen  : 480px !default;
$small-screen : 767px !default;
$medium-screen : 1120px !default;
$large-screen  : 1440px !default;
$retina-screen : 192dpi !default;

@function translateSize($size) {
  // if number, return it as it is
  @if type-of($size) == number {
    @return $size;
  }
  // if keyword, return the translated size
  @else if $size == mini {
    @return $mini-screen;
  }
  @else if $size == small {
    @return $small-screen;
  }
  @else if $size == medium {
    @return $medium-screen;
  }
  @else if $size == large {
    @return $large-screen;
  }
  @else if $size == retina {
    @return $retina-screen;
  }
}

// Standalone mixin

@mixin below($named-size) {
  @if $responsive {
    $in-media: true !global;
    $size: translateSize($named-size);

    @if $named-size == retina {
      @media only screen and (-webkit-max-device-pixel-ratio: 2), (max-resolution: $size) {
        @content;
      }
    } 
    @else {
      @media only screen and (max-width: $size) { @content; }
    }

    $in-media: false !global;
  }
}

@mixin above($named-size) {
  @if $responsive {
    $in-media: true !global;
    $size: translateSize($named-size) + 1px;

    @if $named-size == retina {
      @media only screen and (-webkit-min-device-pixel-ratio: 2), (min-resolution: $size) {
        @content;
      }
    }
    @else {
      @media only screen and (min-width: $size) { @content; }
    }

    $in-media: false !global;
  }
}

@mixin between($smaller-size, $larger-size) {
  @if $responsive {
    $in-media: true !global;
    $smaller-size: translateSize($smaller-size);
    $larger-size: translateSize($larger-size);

    @media only screen and (min-width: $smaller-size) and (max-width: $larger-size) {
      @content;
    }

    $in-media: false !global;
  }
}

@mixin print {
  @media only print {
    @content;
  }
}

// ----------------------------------------------
// CLEARING FLOAT
//   Make a container wraps floated element
// ----------------------------------------------
@mixin clearfix {
  zoom:  1;
  &::before, &::after {
    content: " ";
    display: table;
  }
  &::after {
    clear: both;
  }
}

// --------------------------------
// SELECTION
//   Change the text highlight color
// --------------------------------

@mixin selection($background-color:lighten($main-color, 35%), $color:white) {
  ::-moz-selection {
    background: $background-color;
    text-shadow: none !important;
    color: $color !important;
  }

  ::selection {
    background: $background-color;
    text-shadow: none !important;
    color: $color !important;
  }
}

// ------------------------------------------------------
// DISABLE SELECTION
//   Prevents user to select/highlight the element's text
// ------------------------------------------------------
@mixin disable-user-select {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

@mixin user-select($value) {
  -webkit-touch-callout: $value;
  -webkit-user-select: $value;
  -khtml-user-select: $value;
  -moz-user-select: $value;
  -ms-user-select: $value;
  user-select: $value;
}

// ---------------------
// TEXT DIRECTION
// ---------------------
$text-direction   : ltr !default; // Controls default global text direction, 'rtl' or 'ltr'
$default-float    : left !default;
$default-opposite : right !default;
// No need to change this conditional statement, $text-direction variable controls it all.
@if $text-direction == ltr {
  $default-float    : left;
  $default-opposite : right;
} @else {
  $default-float    : right;
  $default-opposite : left;
}

// -------------
// TRIANGLE
// -------------
@mixin triangle(
  $width,
  $direction : top,
  $color     : $main-color,
  $height    : false) {
  // If height is not specified, make the triangle equalateral
  @if not $height {
    // If normal triangle, `height` is set to half `width`
    @if $direction == top or
      $direction == up or
      $direction == right or
      $direction == left or
      $direction == bottom or 
      $direction == down {
      $height : ($width / 2) * 1.732;
    }
    // Else if cornered triangle, `heigth` is the same as `width`
    @else if $direction == top-right or
         $direction == top-left or
         $direction == bottom-right or
         $direction == bottom-left {
      $height : $width;
    }
  }
  width: 0;
  height: 0;
  font-size: 0;
  line-height: 0%;
  border-style: solid;
  border-color: transparent;
  // Top /\
  @if $direction == top or $direction == up {
    border-width        : 0 $width/2 $height $width/2;
    border-bottom-color : $color;
  }
  // Right |>
  @else if $direction == right {
    border-width      : $width/2 0 $width/2 $height;
    border-left-color : $color;
  }
  // Bottom \/
  @else if $direction == bottom or $direction == down {
    border-width     : $height $width/2 0 $width/2;
    border-top-color : $color;
  }
  // Left <|
  @else if $direction == left {
    border-width       : $width/2 $height $width/2 0;
    border-right-color : $color;
  }

  //            __
  // Top-right  \ | 
  //             \|
  @else if $direction == top-right {
    border-width       : 0 $width $height 0;
    border-right-color : $color;
  }
  
  // Bottom-right /|
  //             /_|
  @else if $direction == bottom-right {
    border-width        : 0 0 $height $width;
    border-bottom-color : $color;
  }
  // Bottom-left |\
  //             |_\
  @else if $direction == bottom-left {
    border-width      : $height 0 0 $width;
    border-left-color : $color;
  }
  //           __
  // Top-left | /
  //          |/
  @else if $direction == top-left {
    border-width     : $height $width 0 0;
    border-top-color : $color;
  }
}

// ------------------------------------------------
// CSS3 - VENDOR PREFIX
// for property that is not supported by Compass
// ------------------------------------------------
@mixin css3($property, $value,
  $moz      : $experimental-support-for-mozilla,
  $webkit   : $experimental-support-for-webkit,
  $o        : $experimental-support-for-opera,
  $ms       : $experimental-support-for-microsoft,
  $khtml    : $experimental-support-for-khtml,
  $official : true) {

  @if $webkit { -webkit-#{$property}: $value; }
  @if $khtml { -khtml-#{$property}: $value; }
  @if $moz { -moz-#{$property}: $value; }
  @if $ms { -ms-#{$property}: $value; }
  @if $o { -o-#{$property}: $value; }
  @if $official { #{$property}: $value; }
}