// Fields
.form-control {
  border-left: 0;
  border-right: 0;
  border-top: 0;
  resize: none;
  appearance: none;
  -ms-overflow-style: none;

  &:not(:disabled):not([readonly]) {
    &:focus {
      & ~ .form-group__bar {
        &:before,
        &:after {
          width: 50%;
        }
      }
    }
  }

  &:disabled,
  &[readonly]{
    opacity: 0.6;
  }

  &.is-valid,
  &.is-invalid {
    &:focus {
      box-shadow: none;
    }
  }
}

// Form Group
.form-group {
  position: relative;
}

.form-group__bar {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 3;
  width: 100%;

  &:before, &:after {
    content: '';
    position: absolute;
    height: 2px;
    width: 0;
    bottom: 0;
    @include transition(all 350ms);
    transition-timing-function: ease;
    background-color: $light-blue;
  }

  &:before {
    left: 50%;
  }

  &:after {
    right: 50%;
  }
}


// Select
select::-ms-expand {
  display: none;
}

.select {
  @include select-bg();
}

select.form-control {
  padding-bottom: 0;
  padding-top: 0;
}


// Floating labels
@mixin form-group-float($bottom-offset-active, $active-font-size) {
  &:focus ~ label,
  &.form-control--active ~ label {
    bottom: $bottom-offset-active;
    font-size: $active-font-size;
  }
}

.form-group--float {
  margin-top: 2.5rem;

  .form-control {
    @include form-group-float(2.25rem, $font-size-sm);

    & ~ label {
      font-size: $font-size-base;
      bottom: $input-padding-y;
      width: 100%;
    }
    
    &:focus {
      & ~ label {
        color: $light-blue;
      }
    }
  }

  .form-control-sm {
    @include form-group-float(1.75rem, $font-size-sm - 0.1rem);

    & ~ label {
      font-size: $font-size-sm;
      bottom: 0.5rem;
    }
  }

  .form-control-lg {
    @include form-group-float(2.65rem, $font-size-base);

    & ~ label {
      font-size: $font-size-lg;
      bottom: $input-padding-y-lg;
    }
  }

  & > label {
    color: $input-placeholder-color;
    pointer-events: none;
    left: $input-padding-x;
    position: absolute;
    margin: 0;
    transition: bottom 200ms ease-out, color 200ms ease-out, font-size 200ms ease-out, color 300ms;
  }
}


// Center aligned fields
.form-group--centered {
  &,
  .form-control {
    text-align: center;
  }
}


// Validation stats
.invalid-feedback,
.valid-feedback {
  position: absolute;
  left: 0;
  bottom: -1.5rem;
}

.is-valid {
  & ~ .form-group__bar {
    &:before,
    &:after {
      background-color: $green;
    }
  }

  & ~ .form-group__feedback {
    color: $green;
  }
}

.is-invalid {
  & ~ .form-group__bar {
    &:before,
    &:after {
      background-color: $red;
    }
  }
  
  & ~ .form-group__feedback {
    color: $red;
  }

  color: $red;
}

.valid-tooltip,
.invalid-tooltip {
  margin-top: 0;
  border-radius: 0;
  padding: 0.25rem 0.5rem 0.35rem;
}

.form-group__feedback {
  font-size: 1.25rem;
  position: absolute;
  bottom: 0.5rem;
  right: 0;
}


// Icon toggles
.icon-toggle {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;

  .zmdi {
    z-index: 2;
    font-size: 1.5rem;
    color: $gray-400;
    transition: color 300ms;
  }

  input[type="checkbox"] {
    position: absolute;
    z-index: 3;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    cursor: pointer;
    opacity: 0;

    &:checked {
      & ~ .zmdi {
        color: $teal;
      }
    }
  }

  &:hover {
    .zmdi {
      color: $gray-500;
    }
  }
}

$icon-toggle-colors: (
  'red': $red,
  'blue': $blue,
  'green': $green,
  'amber': $amber,
  'blue-grey': $blue-grey
);

@each $color, $value in $icon-toggle-colors {
  .icon-toggle--#{$color} {
    input[type="checkbox"] {
      &:checked {
        & ~ .zmdi {
          color: $value;
        }
      }
    }
  }
}


// Help Text
.form-text {
  margin-top: -1.5rem;
}