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// html-grid.scss v1.0 | @ajlkn | MIT licensed */

// Mixins.

/// Initializes the current element as an HTML grid.
	/// @param {mixed} $gutters Gutters (either a single number to set both column/row gutters, or a list to set them individually).
	/// @param {mixed} $suffix Column class suffix (optional; either a single suffix or a list).
	@mixin html-grid($gutters: 1.5em, $suffix: '') {

// Initialize.
			$cols: 12;
			$multipliers: 0, 0.25, 0.5, 1, 1.50, 2.00;
			$unit: 100% / $cols;

// Suffixes.
				$suffixes: null;

@if (type-of($suffix) == 'list') {
					$suffixes: $suffix;
				}
				@else {
					$suffixes: ($suffix);
				}

// Gutters.
				$guttersCols: null;
				$guttersRows: null;

@if (type-of($gutters) == 'list') {

$guttersCols: nth($gutters, 1);
					$guttersRows: nth($gutters, 2);

}
				@else {

$guttersCols: $gutters;
					$guttersRows: 0;

}

// Row.
			display: flex;
			flex-wrap: wrap;
			box-sizing: border-box;
			align-items: stretch;

// Columns.
				> * {
					box-sizing: border-box;
				}

// Gutters.
				&.gtr-uniform {
					> * {
						> :last-child {
							margin-bottom: 0;
						}
					}
				}

// Alignment.
				&.aln-left {
					justify-content: flex-start;
				}

&.aln-center {
					justify-content: center;
				}

&.aln-right {
					justify-content: flex-end;
				}

&.aln-top {
					align-items: flex-start;
				}

&.aln-middle {
					align-items: center;
				}

&.aln-bottom {
					align-items: flex-end;
				}

// Step through suffixes.
			@each $suffix in $suffixes {

// Suffix.
					@if ($suffix != '') {
						$suffix: '-' + $suffix;
					}
					@else {
						$suffix: '';
					}

// Row.

// Important.
						> .imp#{$suffix} {
							order: -1;
						}

// Columns, offsets.
						@for $i from 1 through $cols {
							> .col-#{$i}#{$suffix} {
								width: $unit * $i;
							}

> .off-#{$i}#{$suffix} {
								margin-left: $unit * $i;
							}
						}

// Step through multipliers.
						@each $multiplier in $multipliers {

// Gutters.
								$class: null;

@if ($multiplier != 1) {
									$class: '.gtr-' + ($multiplier * 100);
								}

&#{$class} {
									margin-top: ($guttersRows * $multiplier * -1);
									margin-left: ($guttersCols * $multiplier * -1);

> * {
										padding: ($guttersRows * $multiplier) 0 0 ($guttersCols * $multiplier);
									}

// Uniform.
										&.gtr-uniform {
											margin-top: $guttersCols * $multiplier * -1;

> * {
												padding-top: $guttersCols * $multiplier;
											}
										}

}