/**
 * Long content fade mixin
 *
 * Creates a fading overlay to signify that the content is longer
 * than the space allows.
 */

@mixin long-content-fade( $direction: right, $size: 20%, $color: #fff, $edge: 0, $z-index: false) {
	content: "";
	display: block;
	position: absolute;
	-webkit-touch-callout: none;
	-webkit-user-select: none;
	-khtml-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
	pointer-events: none;

	@if $z-index {
		z-index: $z-index;
	}

	@if $direction == "bottom" {
		background: linear-gradient(to top, rgba($color, 0), $color 90%);
		left: $edge;
		right: $edge;
		top: $edge;
		bottom: calc(100% - $size);
		width: auto;
	}

	@if $direction == "top" {
		background: linear-gradient(to bottom, rgba($color, 0), $color 90%);
		top: calc(100% - $size);
		left: $edge;
		right: $edge;
		bottom: $edge;
		width: auto;
	}

	@if $direction == "left" {
		background: linear-gradient(to left, rgba($color, 0), $color 90%);
		top: $edge;
		left: $edge;
		bottom: $edge;
		right: auto;
		width: $size;
		height: auto;
	}

	@if $direction == "right" {
		background: linear-gradient(to right, rgba($color, 0), $color 90%);
		top: $edge;
		bottom: $edge;
		right: $edge;
		left: auto;
		width: $size;
		height: auto;
	}
}
