// Grid system
//
// Generate semantic grid columns with these mixins.

// Centered container element
.container-fixed(@gutter: @grid-gutter-width) {
	margin-right: auto;
	margin-left: auto;
	padding-left: (@gutter / 2);
	padding-right: (@gutter / 2);
	&:extend(.clearfix all);
}

// Creates a wrapper for a series of columns
.make-row(@gutter: @grid-gutter-width) {
	margin-left: (@gutter / -2);
	margin-right: (@gutter / -2);
	&:extend(.clearfix all);
}

// Generate the extra small columns
.make-xs-column(@columns; @gutter: @grid-gutter-width) {
	position: relative;
	float: left;
	width: percentage((@columns / @grid-columns));
	min-height: 1px;
	padding-left: (@gutter / 2);
	padding-right: (@gutter / 2);
}
.make-xs-column-offset(@columns) {
	margin-left: percentage((@columns / @grid-columns));
}
.make-xs-column-push(@columns) {
	left: percentage((@columns / @grid-columns));
}
.make-xs-column-pull(@columns) {
	right: percentage((@columns / @grid-columns));
}

// Generate the small columns
.make-sm-column(@columns; @gutter: @grid-gutter-width) {
	position: relative;
	min-height: 1px;
	padding-left: (@gutter / 2);
	padding-right: (@gutter / 2);

	@media (min-width: @screen-sm-min) {
		float: left;
		width: percentage((@columns / @grid-columns));
	}
}
.make-sm-column-offset(@columns) {
	@media (min-width: @screen-sm-min) {
		margin-left: percentage((@columns / @grid-columns));
	}
}
.make-sm-column-push(@columns) {
	@media (min-width: @screen-sm-min) {
		left: percentage((@columns / @grid-columns));
	}
}
.make-sm-column-pull(@columns) {
	@media (min-width: @screen-sm-min) {
		right: percentage((@columns / @grid-columns));
	}
}

// Generate the medium columns
.make-md-column(@columns; @gutter: @grid-gutter-width) {
	position: relative;
	min-height: 1px;
	padding-left: (@gutter / 2);
	padding-right: (@gutter / 2);

	@media (min-width: @screen-md-min) {
		float: left;
		width: percentage((@columns / @grid-columns));
	}
}
.make-md-column-offset(@columns) {
	@media (min-width: @screen-md-min) {
		margin-left: percentage((@columns / @grid-columns));
	}
}
.make-md-column-push(@columns) {
	@media (min-width: @screen-md-min) {
		left: percentage((@columns / @grid-columns));
	}
}
.make-md-column-pull(@columns) {
	@media (min-width: @screen-md-min) {
		right: percentage((@columns / @grid-columns));
	}
}

// Generate the large columns
.make-lg-column(@columns; @gutter: @grid-gutter-width) {
	position: relative;
	min-height: 1px;
	padding-left: (@gutter / 2);
	padding-right: (@gutter / 2);

	@media (min-width: @screen-lg-min) {
		float: left;
		width: percentage((@columns / @grid-columns));
	}
}
.make-lg-column-offset(@columns) {
	@media (min-width: @screen-lg-min) {
		margin-left: percentage((@columns / @grid-columns));
	}
}
.make-lg-column-push(@columns) {
	@media (min-width: @screen-lg-min) {
		left: percentage((@columns / @grid-columns));
	}
}
.make-lg-column-pull(@columns) {
	@media (min-width: @screen-lg-min) {
		right: percentage((@columns / @grid-columns));
	}
}