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

@function divide($dividend, $divisor, $precision: 10) {
  $sign: if($dividend > 0 and $divisor > 0 or $dividend < 0 and $divisor < 0, 1, -1);
  $dividend: abs($dividend);
  $divisor: abs($divisor);

  @if $dividend == 0 {
    @return 0;
  }

  @if $divisor == 0 {
    @error "Cannot divide by 0";
  }
  $remainder: $dividend;
  $result: 0;
  $factor: 10;

  @while ($remainder > 0 and $precision >= 0) {
    $quotient: 0;

    @while ($remainder >= $divisor) {
      $remainder: $remainder - $divisor;
      $quotient: $quotient + 1;
    }
    $result: $result * 10 + $quotient;
    $factor: $factor * .1;
    $remainder: $remainder * 10;
    $precision: $precision - 1;

    @if ($precision < 0 and $remainder >= $divisor * 5) {
      $result: $result + 1;
    }
  }
  $result: $result * $factor * $sign;
  $dividend-unit: unit($dividend);
  $divisor-unit: unit($divisor);
  $unit-map: (
          "px": 1px,
          "rem": 1rem,
          "em": 1em,
          "%": 1%
  );

  @if ($dividend-unit != $divisor-unit and map-has-key($unit-map, $dividend-unit)) {
    $result: $result * map-get($unit-map, $dividend-unit);
  }

  @return $result;
}

@mixin make-row($gutter: $grid-gutter-width) {
  --#{$variable-prefix}gutter-x: #{$gutter};
  --#{$variable-prefix}gutter-y: 0;

  display: flex;
  flex-wrap: wrap;
  margin-top: calc(var(--#{$variable-prefix}gutter-y) * -1); // stylelint-disable-line function-disallowed-list
  margin-right: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
  margin-left: calc(var(--#{$variable-prefix}gutter-x) * -.5); // stylelint-disable-line function-disallowed-list
}

@mixin make-col-ready($gutter: $grid-gutter-width) {
  // Add box sizing if only the grid is loaded
  box-sizing: if(variable-exists(include-column-box-sizing) and true, border-box, null);
  // Prevent columns from becoming too narrow when at smaller grid tiers by
  // always setting `width: 100%;`. This works because we set the width
  // later on to override this initial width.
  flex-shrink: 0;
  width: 100%;
  max-width: 100%; // Prevent `.col-auto`, `.col` (& responsive variants) from breaking out the grid
  padding-right: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
  padding-left: calc(var(--#{$variable-prefix}gutter-x) * .5); // stylelint-disable-line function-disallowed-list
  margin-top: var(--#{$variable-prefix}gutter-y);
}

@mixin make-col($size: false, $columns: $grid-columns) {
  @if $size {
    flex: 0 0 auto;
    width: percentage(divide($size, $columns));

  } @else {
    flex: 1 1 0;
    max-width: 100%;
  }
}

@mixin make-col-auto() {
  flex: 0 0 auto;
  width: auto;
}

@mixin make-col-offset($size, $columns: $grid-columns) {
  $num: divide($size, $columns);

  margin-left: if($num == 0, 0, percentage($num));
}

// Row columns
//
// Specify on a parent element(e.g., .row) to force immediate children into NN
// numberof columns. Supports wrapping to new lines, but does not do a Masonry
// style grid.
@mixin row-cols($count) {
  > * {
    flex: 0 0 auto;
    width: divide(100%, $count);
  }
}

// Framework grid generation
//
// Used only by Bootstrap to generate the correct number of grid classes given
// any value of `$grid-columns`.

@mixin make-grid-columns($columns: $grid-columns, $gutter: $grid-gutter-width, $breakpoints: $grid-breakpoint-map) {
  
  @each $breakpoint in map-keys($breakpoints) {
    $infix: breakpoint-infix($breakpoint, $breakpoints);

    @include media-breakpoint-up($breakpoint, $breakpoints) {
      .col#{$infix}-auto {
        @include make-col-auto();
      }

      @if $columns > 0 {
        @for $i from 1 through $columns {
          .col#{$infix}-#{$i} {
            @include make-col($i, $columns);
          }
        }

        // `$columns - 1` because offsetting by the width of an entire row isn't possible
        @for $i from 0 through ($columns - 1) {
          @if not ($infix == "" and $i == 0) { // Avoid emitting useless .offset-0
            .offset#{$infix}-#{$i} {
              @include make-col-offset($i, $columns);
            }
          }
        }
      }

      // Gutters
      //
      // Make use of `.g-*`, `.gx-*` or `.gy-*` utilities to change spacing between the columns.
      @each $key, $value in $gutters {
        .g#{$infix}-#{$key},
        .gx#{$infix}-#{$key} {
          --#{$variable-prefix}gutter-x: #{$value};
        }

        .g#{$infix}-#{$key},
        .gy#{$infix}-#{$key} {
          --#{$variable-prefix}gutter-y: #{$value};
        }
      }
    }
  }

  @each $breakpoint in map-keys($breakpoints) {
    // .row-cols defaults must all appear before .col overrides so they can be overridden.
    $infix: breakpoint-infix($breakpoint, $breakpoints);

    @include media-breakpoint-up($breakpoint, $breakpoints) {
      // Provide basic `.col-{bp}` classes for equal-width flexbox columns
      .col#{$infix} {
        flex: 1 0 0%; // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
      }

      .row-cols#{$infix}-auto > * {
        @include make-col-auto();
      }

      @if $grid-row-columns > 0 {
        @for $i from 1 through $grid-row-columns {
          .row-cols#{$infix}-#{$i} {
            @include row-cols($i);
          }
        }
      }
    }
  }

  
}

@mixin max-2sm {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'ssm') - 1px) {
    @content;
  }
}

@mixin max-sm {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'sm') - 1px) {
    @content;
  }
}

@mixin max-md {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'md') - 1px) {
    @content;
  }
}

@mixin max-lg {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'lg') - 1px) {
    @content;
  }
}

@mixin max-xl {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'xl') - 1px) {
    @content;
  }
}

@mixin max-2xl {
  @media screen and (max-width: map-get($grid-breakpoint-map, 'xxl') - 1px) {
    @content;
  }
}

@mixin min-2sm {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'ssm')) {
    @content;
  }
}

@mixin min-sm {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'sm')) {
    @content;
  }
}

@mixin min-md {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'md')) {
    @content;
  }
}

@mixin min-lg {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'lg')) {
    @content;
  }
}

@mixin min-xl {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'xl')) {
    @content;
  }
}

@mixin min-2xl {
  @media screen and (min-width: map-get($grid-breakpoint-map, 'xxl')) {
    @content;
  }
}