@function fill-blank-columns($bp-list) {
	$i: 0;
	@while ($i < length($bp-list)) {
		@if (not map-has-key($bp-list, $i) and $i > 0) {
			$bp-list: map-merge(
				$bp-list,
				(
					$i: false,
				)
			);
		}
		$i: $i + 1;
	}
	@return $bp-list;
}
$grid-bp-list: fill-blank-columns($grid-bp-list);

@function is-percentage($value) {
	@return is-number($value) and unit($value) == '%';
}

@function column-width($col-count) {
	@return if(
		$grid-calc-support,
		calc(99.9999% / #{$col-count}),
		percentage(1 / $col-count)
	);
}

//switches IE (and other non-flexbox friendly browsers) to using float mode
@mixin ieFloat {
	@if ($grid-legacy-support) {
		.no-flexbox &,
		.no-flexwrap & {
			display: block;
			&:after {
				content: '';
				display: block;
				clear: both;
			}
			> * {
				float: left;
				display: block;
			}
		}
	}
}

@mixin generate-column-breakpoints($breaks) {
	@if ($breaks != false) {
		@each $V-columnWidth, $BP-deviceWidth in $breaks {
			$col-width: $V-columnWidth;
			@if (not is-percentage($V-columnWidth)) {
				$col-width: column-width($V-columnWidth);
			}
			//media query defaults to max-width if only a pixel value is given
			$mq: if(
				length($BP-deviceWidth) > 1,
				$BP-deviceWidth,
				(max, $BP-deviceWidth)
			);
			@include mq($mq) {
				width: $col-width;
			}
		}
	}
}

//Generates the grid cell gutters
@mixin generate-gutters($format, $gutter, $outerGutters: false) {
	$gutterCount: length($gutter);

	$g1: 1;
	$g2: if($gutterCount > 1, 2, 1);

	$gutterSet: map-get(
		(
			1: (
				top: $gutter,
				right: $gutter,
				bottom: $gutter,
				left: $gutter,
			),
			2: (
				top: nth($gutter, $g1),
				right: nth($gutter, $g2),
				bottom: nth($gutter, $g1),
				left: nth($gutter, $g2),
			),
		),
		$gutterCount
	);

	$gutter-top: map-get($gutterSet, top);
	$gutter-right: map-get($gutterSet, right);
	$gutter-bottom: map-get($gutterSet, bottom);
	$gutter-left: map-get($gutterSet, left);

	$margin: map-get(
		(
			1: -$gutter-top,
			2: (
				-$gutter-top,
			)
			(
				-$gutter-right,
			),
		),
		$gutterCount
	);

	@if (
		$format ==
			'mixin' and
			(
				$outerGutters ==
					'v' or
					$outerGutters ==
					'top' or
					$outerGutters ==
					true
			)
	) {
		margin: $margin;
		border-width: $gutter-top $gutter-right 0 0;
	} @else {
		margin: 0 (-$gutter-right) (-$gutter-bottom) (-$gutter-left);
		border-width: 0 $gutter-right 0 0;
	}

	> * {
		border-width: 0 0 $gutter-bottom $gutter-left;
	}

	@if ($grid-legacy-support) {
		.lt-ie9 & {
			&,
			> * {
				border-color: $grid-gutter-ie-fallback;
			}
		}
	}

	$mq-width: $grid-page-width + $gutter-left + $gutter-right;

	@if ($format == 'classes') {
		//only apply the outer horizontal gutters if the screen size is smaller than the page width + gutter size
		&.#{$fullPrefix}grid--outerGutters {
			&,
			&-v,
			&-top {
				border-top-width: $gutter-top;
			}

			@include mq(max, ($mq-width)) {
				&-h-delayed {
					margin-left: 0;
					margin-right: 0;
				}
				&-left-delayed {
					margin-left: 0;
				}
				&-right-delayed {
					margin-right: 0;
				}

				@if ($grid-legacy-support) {
					.lt-ie9 & {
						&-h-delayed,
						&-left-delayed,
						&-right-delayed {
							margin-left: -$gutter-left;
						}
					}
				}
			}

			@if ($grid-legacy-support) {
				.lt-ie9 & {
					&,
					&-h {
						border-right-width: $gutter-right !important;
					}
				}
			}
		}
	} @else if ($format == 'mixin') {
		//only apply the outer horizontal gutters if the screen size is smaller than the page width + gutter size
		@if ($outerGutters) {
			@include mq(max, $mq-width) {
				@if ($outerGutters == 'h-delayed') {
					margin-left: 0;
					margin-right: 0;
				} @else if ($outerGutters == 'left-delayed') {
					margin-left: 0;
				} @else if ($outerGutters == 'right-delayed') {
					margin-right: 0;
				}
			}

			@if ($grid-legacy-support) {
				.lt-ie9 & {
					@if (
						$outerGutters ==
							'h-delayed' or
							$outerGutters ==
							'left-delayed' or
							$outerGutters ==
							'right-delayed'
					) {
						margin-left: -$gutter-left;
					}

					@if ($outerGutters == true or $outerGutters == 'h') {
						border-right-width: $gutter-right !important;
					}
				}
			}
		}
	}
}

@mixin parse-gutter-data($gutter, $systemType, $outerGutters: false) {
	@if (nth($gutter, 1) == 'mq') {
		$gutter_data: nth($gutter, 2);

		@for $i from 1 through length($gutter_data) {
			$gutter_value: nth($gutter_data, $i);
			$gutter_is_mq: false;

			@if (length($gutter_value) > 1) {
				$gutter_is_mq: type-of(nth(nth($gutter_value, 2), 1)) ==
					'string';
			}

			@if ($gutter_is_mq) {
				$gutterSize: nth($gutter_value, 1);
				$mediaQuery: nth($gutter_value, 2);
				@include mq($mediaQuery) {
					@include generate-gutters(
						$systemType,
						$gutterSize,
						$outerGutters
					);
				}
			} @else {
				@include generate-gutters(
					$systemType,
					$gutter_value,
					$outerGutters
				);
			}
		}
	} @else {
		@include generate-gutters($systemType, $gutter, $outerGutters);
	}
}