// stylelint-disable selector-no-qualifying-type

// // Base styles //

.input-group {

position: relative;
display: flex;
flex-wrap: wrap; // For form validation feedback
align-items: stretch;
width: 100%;

> .form-control,
> .custom-select,
> .custom-file {
  position: relative; // For focus state's z-index
  flex: 1 1 auto;
  // Add width 1% and flex-basis auto to ensure that button will not wrap out
  // the column. Applies to IE Edge+ and Firefox. Chrome does not require this.
  width: 1%;
  margin-bottom: 0;

  // Bring the "active" form control to the top of surrounding elements
  &:focus {
    z-index: 3;
  }

  + .form-control,
  + .custom-select,
  + .custom-file {
    margin-left: -$input-border-width;
  }
}

> .form-control,
> .custom-select {
  &:not(:last-child) { @include border-right-radius(0); }
  &:not(:first-child) { @include border-left-radius(0); }
}

// Custom file inputs have more complex markup, thus requiring different
// border-radius overrides.
> .custom-file {
  display: flex;
  align-items: center;

  &:not(:last-child) .custom-file-label,
  &:not(:last-child) .custom-file-label::before { @include border-right-radius(0); }
  &:not(:first-child) .custom-file-label,
  &:not(:first-child) .custom-file-label::before { @include border-left-radius(0); }
}

}

// Prepend and append // // While it requires one extra layer of HTML for each, dedicated prepend and // append elements allow us to 1) be less clever, 2) simplify our selectors, and // 3) support HTML5 form validation.

.input-group-prepend, .input-group-append {

display: flex;

// Ensure buttons are always above inputs for more visually pleasing borders.
// This isn't needed for `.input-group-text` since it shares the same border-color
// as our inputs.
.btn {
  position: relative;
  z-index: 2;
}

.btn + .btn,
.btn + .input-group-text,
.input-group-text + .input-group-text,
.input-group-text + .btn {
  margin-left: -$input-border-width;
}

}

.input-group-prepend { margin-right: -$input-border-width; } .input-group-append { margin-left: -$input-border-width; }

// Textual addons // // Serves as a catch-all element for any text or radio/checkbox input you wish // to prepend or append to an input.

.input-group-text {

display: flex;
align-items: center;
padding: $input-padding-y $input-padding-x;
margin-bottom: 0; // Allow use of <label> elements by overriding our default margin-bottom
font-size: $font-size-base; // Match inputs
font-weight: $font-weight-normal;
line-height: $input-line-height;
color: $input-group-addon-color;
text-align: center;
white-space: nowrap;
background-color: $input-group-addon-bg;
border: $input-border-width solid $input-group-addon-border-color;
@include border-radius($input-border-radius);

// Nuke default margins from checkboxes and radios to vertically center within.
input[type="radio"],
input[type="checkbox"] {
  margin-top: 0;
}

}

// Sizing // // Remix the default form control sizing classes into new ones for easier // manipulation.

.input-group-lg > .form-control, .input-group-lg > .input-group-prepend > .input-group-text, .input-group-lg > .input-group-append > .input-group-text, .input-group-lg > .input-group-prepend > .btn, .input-group-lg > .input-group-append > .btn {

@extend .form-control-lg;

}

.input-group-sm > .form-control, .input-group-sm > .input-group-prepend > .input-group-text, .input-group-sm > .input-group-append > .input-group-text, .input-group-sm > .input-group-prepend > .btn, .input-group-sm > .input-group-append > .btn {

@extend .form-control-sm;

}

// Prepend and append rounded corners // // These rulesets must come after the sizing ones to properly override sm and lg // border-radius values when extending. They're more specific than we'd like // with the `.input-group >` part, but without it, we cannot override the sizing.

.input-group > .input-group-prepend > .btn, .input-group > .input-group-prepend > .input-group-text, .input-group > .input-group-append:not(:last-child) > .btn, .input-group > .input-group-append:not(:last-child) > .input-group-text, .input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle), .input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {

@include border-right-radius(0);

}

.input-group > .input-group-append > .btn, .input-group > .input-group-append > .input-group-text, .input-group > .input-group-prepend:not(:first-child) > .btn, .input-group > .input-group-prepend:not(:first-child) > .input-group-text, .input-group > .input-group-prepend:first-child > .btn:not(:first-child), .input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) {

@include border-left-radius(0);

}