// Margin and Padding
// ========================================================================

// variable
// -----------------------
$as_lengths: 0, 3, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 100 !default;
$as_lengths_negative: -30, -25, -20, -15, -10, -5, -3, -1 !default;
$negative-infix: '' !default;
@each $breakpoint in map-keys($grid-breakpoints) {
  @include media-breakpoint-up($breakpoint) {
    $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

    @each $prop, $abbrev in (margin: m, padding: p) {
      @each $length in $as_lengths {
        $value : if($length != 0, $length * 1px, 0);

        .#{$abbrev}#{$infix}-#{$length}  { #{$prop}:        $value !important; }
        .#{$abbrev}t#{$infix}-#{$length} { #{$prop}-top:    $value !important; }
        .#{$abbrev}r#{$infix}-#{$length} { #{$prop}-right:  $value !important; }
        .#{$abbrev}b#{$infix}-#{$length} { #{$prop}-bottom: $value !important; }
        .#{$abbrev}l#{$infix}-#{$length} { #{$prop}-left:   $value !important; }
        .#{$abbrev}x#{$infix}-#{$length} {
          #{$prop}-right: $value !important;
          #{$prop}-left:  $value !important;
        }
        .#{$abbrev}y#{$infix}-#{$length} {
          #{$prop}-top:    $value !important;
          #{$prop}-bottom: $value !important;
        }
      }
    }

    @each $prop, $abbrev in (margin: m) {
      @each $length in $as_lengths_negative {
        $value : abs($length) * (-1px);
        $length: #{$negative-infix}#{$length};
       
        .#{$abbrev}#{$infix}-#{$length}  { #{$prop}:        $value !important; }
        .#{$abbrev}t#{$infix}-#{$length} { #{$prop}-top:    $value !important; }
        .#{$abbrev}r#{$infix}-#{$length} { #{$prop}-right:  $value !important; }
        .#{$abbrev}b#{$infix}-#{$length} { #{$prop}-bottom: $value !important; }
        .#{$abbrev}l#{$infix}-#{$length} { #{$prop}-left:   $value !important; }
        .#{$abbrev}x#{$infix}-#{$length} {
          #{$prop}-right: $value !important;
          #{$prop}-left:  $value !important;
        }
        .#{$abbrev}y#{$infix}-#{$length} {
          #{$prop}-top:    $value !important;
          #{$prop}-bottom: $value !important;
        }
      }
    }

    // Some special margin utils
    .m#{$infix}-auto  { margin:        auto !important; }
    .mt#{$infix}-auto { margin-top:    auto !important; }
    .mr#{$infix}-auto { margin-right:  auto !important; }
    .mb#{$infix}-auto { margin-bottom: auto !important; }
    .ml#{$infix}-auto { margin-left:   auto !important; }
    .mx#{$infix}-auto {
      margin-right: auto !important;
      margin-left:  auto !important;
    }
    .my#{$infix}-auto {
      margin-top:    auto !important;
      margin-bottom: auto !important;
    }
  }
}