// 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(floor((@gutter / 2)));
  .padding-right(ceil((@gutter / 2)));
  &:extend(.clearfix all);
}

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