/*****************************
00. Mixins CSS
******************************/


// Rounded elements
@mixin roundy($dim, $brdr: null){
	width: $dim;
	height: $dim;
	border: $brdr;
	border-radius: 50%;
}


// Placeholder CSS
@mixin placeholder {
    &::-webkit-input-placeholder {
        @content;
    }

    &:-moz-placeholder {
        @content;
    }

    &::-moz-placeholder { 
        @content;
    }

    &:-ms-input-placeholder {
        @content;
    }
}

// Transition
@mixin transition($transition...) {
	-webkit-transition: $transition;
	-moz-transition: $transition;
	-ms-transition: $transition;
	-o-transition: $transition;
	transition: $transition;
}

// Transform
@mixin transform($translate) {
	-webkit-transform: $translate;
	transform: $translate;
}

// Display flex
@mixin displayflex{
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
}

// Justify center
@mixin justifycenter{
	-webkit-box-pack: center;
	-ms-flex-pack: center;
		justify-content: center;
}

// align items center
@mixin alignitemscenter{
	-webkit-box-align: center;
	-ms-flex-align: center;
	-ms-grid-row-align: center;
		align-items: center;
}

// Inline flex
@mixin inline-flex{
	display: -webkit-inline-box;
	display: -ms-inline-flexbox;
	display: inline-flex;
}

// Flexbox Direction
@mixin flex-direction($value: row) {
	@if $value == row-reverse {
		-webkit-box-direction: reverse;
		-webkit-box-orient: horizontal;
	} @else if $value == column {
		-webkit-box-direction: normal;
		-webkit-box-orient: vertical;
	} @else if $value == column-reverse {
		-webkit-box-direction: reverse;
		-webkit-box-orient: vertical;
	} @else {
		-webkit-box-direction: normal;
		-webkit-box-orient: horizontal;
	}
	-webkit-flex-direction: $value;
	-moz-flex-direction: $value;
	-ms-flex-direction: $value;
	flex-direction: $value;
}


// Flexbox Wrap
@mixin flex-wrap($value: nowrap) {
	-webkit-flex-wrap: $value;
	-moz-flex-wrap: $value;
	@if $value == nowrap {
		-ms-flex-wrap: none;
	} @else { 
		-ms-flex-wrap: $value; 
	}
	flex-wrap: $value;
}

// Flexbox Flow (shorthand)
@mixin flex-flow($values: (row nowrap)) {
	-webkit-flex-flow: $values;
	-moz-flex-flow: $values;
	-ms-flex-flow: $values;
	flex-flow: $values;
}

// Flexbox Order
@mixin order($int: 0) {
	-webkit-box-ordinal-group: $int + 1;
	-webkit-order: $int;
	-moz-order: $int;
	-ms-flex-order: $int;
	order: $int;
}


// Flexbox Grow
@mixin flex-grow($int: 0) {
	-webkit-box-flex: $int;
	-webkit-flex-grow: $int;
	-moz-flex-grow: $int;
	-ms-flex-positive: $int;
	flex-grow: $int;
}

// Flexbox Shrink
@mixin flex-shrink($int: 1) {
	-webkit-flex-shrink: $int;
	-moz-flex-shrink: $int;
	-ms-flex-negative: $int;
	flex-shrink: $int;
}

// Flexbox Basis
@mixin flex-basis($value: auto) {
	-webkit-flex-basis: $value;
	-moz-flex-basis: $value;
	-ms-flex-preferred-size: $value;
	flex-basis: $value;
}

// Flexbox "Flex" (shorthand)
@mixin flex($fg: 1, $fs: null, $fb: null) {
	$fg-boxflex: $fg;

	@if type-of($fg) == 'list' {
		$fg-boxflex: nth($fg, 1);
	}

	-webkit-box-flex: $fg-boxflex;
	-webkit-flex: $fg $fs $fb;
	-moz-box-flex: $fg-boxflex;
	-moz-flex: $fg $fs $fb;
	-ms-flex: $fg $fs $fb;
	flex: $fg $fs $fb;
}

// Flexbox Justify Content
// Values: flex-start | flex-end | center | space-between | space-around
// Default: flex-start
@mixin justify-content($value: flex-start) {
	@if $value == flex-start {
		-webkit-box-pack: start;
		-ms-flex-pack: start;
	} @else if $value == flex-end {
		-webkit-box-pack: end;
		-ms-flex-pack: end;
	} @else if $value == space-between {
		-webkit-box-pack: justify;
		-ms-flex-pack: justify;
	} @else if $value == space-around {
		-ms-flex-pack: distribute;		
	} @else {
		-webkit-box-pack: $value;
		-ms-flex-pack: $value;
	}
	-webkit-justify-content: $value;
	-moz-justify-content: $value;
	justify-content: $value;
}
	// Shorter version:
	@mixin flex-just($args...) { @include justify-content($args...); }

//----------------------------------------------------------------------

// Flexbox Align Items
//
// Flex items can be aligned in the cross axis of the current line of the
// flex container, similar to 'justify-content' but in the perpendicular
// direction. 'align-items' sets the default alignment for all of the flex
// container's items, including anonymous flex items. 'align-self' allows
// this default alignment to be overridden for individual flex items. (For
// anonymous flex items, 'align-self' always matches the value of 'align-items'
// on their associated flex container.) 
//
// Values: flex-start | flex-end | center | baseline | stretch
// Default: stretch
//
// http://w3.org/tr/css3-flexbox/#align-items-property

@mixin align-items($value: stretch) {
	@if $value == flex-start {
		-webkit-box-align: start;
		-ms-flex-align: start;
	} @else if $value == flex-end {
		-webkit-box-align: end;
		-ms-flex-align: end;
	} @else {
		-webkit-box-align: $value;
		-ms-flex-align: $value;
	}
	-webkit-align-items: $value;
	-moz-align-items: $value;
	align-items: $value;
}

//----------------------------------

// Flexbox Align Self
//
// Values: auto | flex-start | flex-end | center | baseline | stretch
// Default: auto

@mixin align-self($value: auto) {
	// No Webkit Box Fallback.
	-webkit-align-self: $value;
	-moz-align-self: $value;
	@if $value == flex-start {
		-ms-flex-item-align: start;
	} @else if $value == flex-end {
		-ms-flex-item-align: end;
	} @else {
		-ms-flex-item-align: $value;
	}
	align-self: $value;
}


//----------------------------------------------------------------------

// Flexbox Align Content
//
// The 'align-content' property aligns a flex container's lines within the
// flex container when there is extra space in the cross-axis, similar to
// how 'justify-content' aligns individual items within the main-axis. Note,
// this property has no effect when the flexbox has only a single line.
//
// Values: flex-start | flex-end | center | space-between | space-around | stretch
// Default: stretch
//
// http://w3.org/tr/css3-flexbox/#align-content-property

@mixin align-content($value: stretch) {
	-webkit-align-content: $value;
	-moz-align-content: $value;
	@if $value == flex-start {
		-ms-flex-line-pack: start;
	} @else if $value == flex-end {
		-ms-flex-line-pack: end;
	} @else {
		-ms-flex-line-pack: $value;
	}
	align-content: $value;
}