@row-prefix-cls: ~"@{css-prefix}row";
@col-prefix-cls: ~"@{css-prefix}col";

// mixins for grid system

.loop-grid-columns(@index, @class) when (@index > 0) {
    .@{col-prefix-cls}-span@{class}-@{index} {
        display: block;
        flex: 0 0 percentage((@index / @grid-columns));
        max-width: percentage((@index / @grid-columns));
    }
    .@{col-prefix-cls}@{class}-push-@{index} {
        left: percentage((@index / @grid-columns));
    }
    .@{col-prefix-cls}@{class}-pull-@{index} {
        right: percentage((@index / @grid-columns));
    }
    .@{col-prefix-cls}@{class}-offset-@{index} {
        margin-left: percentage((@index / @grid-columns));
    }
    .@{col-prefix-cls}@{class}-order-@{index} {
        order: @index;
    }
    .loop-grid-columns((@index - 1), @class);
}

.loop-grid-columns(@index, @class) when (@index = 0) {
    .@{col-prefix-cls}-span@{class}-@{index} {
        display: none;
    }
    .@{col-prefix-cls}-push-@{index} {
        left: auto;
    }
    .@{col-prefix-cls}-pull-@{index} {
        right: auto;
    }
    .@{col-prefix-cls}@{class}-push-@{index} {
        left: auto;
    }
    .@{col-prefix-cls}@{class}-pull-@{index} {
        right: auto;
    }
    .@{col-prefix-cls}@{class}-offset-@{index} {
        margin-left: 0;
    }
    .@{col-prefix-cls}@{class}-order-@{index} {
        order: 0;
    }
}

.make-grid(@class: ~'') {
    .loop-grid-columns(@grid-columns, @class);
}