// functionally passes Bootstrap 3.2.0


// modified from /bootstrap/less/variables.less
// ---------------------------------------------
@screen-bl-min:             320px;
@screen-ss-min:             480px;
@screen-xs-min:             640px;
@screen-sm-min:             768px;
@screen-md-min:             1024px;
@screen-lg-min:             1280px;
@screen-xl-min:             1440px;

@container-baseline:        @pw_baseline;
@container-xx-small:        @pw_2x_small;
@container-x-small:         @pw_x_small;
@container-tablet:          @pw_small;
@container-desktop:         @pw_medium;
@container-large-desktop:   @pw_large;

@container-bl:              @pw_baseline;
@container-ss:              @pw_2x_small;
@container-xs:              @pw_x_small;
@container-sm:              @pw_small;
@container-md:              @pw_medium;
@container-lg:              @pw_large;
@container-xl:              @pw_large;

// So media queries don't overlap when required, provide a maximum
@screen-bl-max:              (@screen-ss-min - 1);
@screen-ss-max:              (@screen-xs-min - 1);
@screen-xs-max:              (@screen-sm-min - 1);
@screen-sm-max:              (@screen-md-min - 1);
@screen-md-max:              (@screen-lg-min - 1);
@screen-lg-max:              (@screen-xl-min - 1);
// ---------------------------------------------
// ---------------------------------------------



// modified from /bootstrap/less/mixins/grid-framework.less
// ---------------------------------------------
.make-grid-columns() {
  // Common styles for all sizes of grid columns, widths 1-12
  .col(@index) when (@index = 1) { // initial
    @item: ~".col-bl-@{index}, .col-ss-@{index}, .col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}, .col-xl-@{index}";
    .col((@index + 1), @item);
  }
  .col(@index, @list) when (@index =< @grid-columns) { // general; "=<" isn't a typo
    @item: ~".col-bl-@{index}, .col-ss-@{index}, .col-xs-@{index}, .col-sm-@{index}, .col-md-@{index}, .col-lg-@{index}, .col-xl-@{index}";
    .col((@index + 1), ~"@{list}, @{item}");
  }
  .col(@index, @list) when (@index > @grid-columns) { // terminal
    @{list} {
      position: relative;
      // Prevent columns from collapsing when empty
      min-height: 1px;
      // Inner gutter via padding
      padding-left:  (@grid-gutter-width / 2);
      padding-right: (@grid-gutter-width / 2);
    }
  }
  .col(1); // kickstart it
}
// ---------------------------------------------
// ---------------------------------------------




// modified from /bootstrap/less/mixins/grid.less
// ---------------------------------------------
// Generate the extra small columns
.make-bl-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-bl-column-offset(@columns) {
  margin-left: percentage((@columns / @grid-columns));
}
.make-bl-column-push(@columns) {
  left: percentage((@columns / @grid-columns));
}
.make-bl-column-pull(@columns) {
  right: percentage((@columns / @grid-columns));
}
// Generate the small columns
.make-ss-column(@columns; @gutter: @grid-gutter-width) {
  position: relative;
  min-height: 1px;
  padding-left:  (@gutter / 2);
  padding-right: (@gutter / 2);

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

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

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



// modified from /bootstrap/less/grid.less
// ---------------------------------------------
.container {
    @media (min-width: @screen-bl-min) {
        width: @container-bl;
    }
    @media (min-width: @screen-ss-min) {
        width: @container-ss;
    }
    @media (min-width: @screen-xs-min) {
        width: @container-xs;
    }
    @media (min-width: @screen-sm-min) {
        width: @container-sm;
    }
    @media (min-width: @screen-md-min) {
        width: @container-md;
    }
    @media (min-width: @screen-lg-min) {
        width: @container-lg;
    }
    @media (min-width: @screen-xl-min) {
        width: @container-xl;
    }
}


.make-grid-columns();
.make-grid(bl);
@media (min-width: @screen-ss-min) {
  .make-grid(ss);
}
@media (min-width: @screen-xs-min) {
  .make-grid(xs);
}
@media (min-width: @screen-sm-min) {
  .make-grid(sm);
}
@media (min-width: @screen-md-min) {
  .make-grid(md);
}
@media (min-width: @screen-lg-min) {
  .make-grid(lg);
}
@media (min-width: @screen-xl-min) {
  .make-grid(xl);
}
// ---------------------------------------------
// ---------------------------------------------