// stylelint-disable selector-no-qualifying-type
//
// Textual form controls
//
.form-control {
display: block;
width: 100%;
height: $input-height;
padding: $input-padding-y $input-padding-x;
font-family: $input-font-family;
@include font-size($input-font-size);
font-weight: $input-font-weight;
line-height: $input-line-height;
color: $input-color;
background-color: $input-bg;
background-clip: padding-box;
border: $input-border-width solid $input-border-color;
// Note: This has no effect on <select>s in some browsers, due to the limited stylability of `<select>`s in CSS.
@include border-radius($input-border-radius, 0);
@include box-shadow($input-box-shadow);
@include transition($input-transition);
// Unstyle the caret on `<select>`s in IE10+.
&::-ms-expand {
background-color: transparent;
border: 0;
}
// Customize the `:focus` state to imitate native WebKit styles.
@include form-control-focus();
// Placeholder
&::placeholder {
color: $input-placeholder-color;
// Override Firefox's unusual default opacity; see https://github.com/twbs/bootstrap/pull/11526.
opacity: 1;
}
// Disabled and read-only inputs
//
// HTML5 says that controls under a fieldset > legend:first-child won't be
// disabled if the fieldset is disabled. Due to implementation difficulty, we
// don't honor that edge case; we style them as disabled anyway.
&:disabled,
&[readonly] {
background-color: $input-disabled-bg;
// iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655.
opacity: 1;
}
}
select.form-control {
&:focus::-ms-value {
// Suppress the nested default white text on blue background highlight given to
// the selected option text when the (still closed) <select> receives focus
// in IE and (under certain conditions) Edge, as it looks bad and cannot be made to
// match the appearance of the native widget.
// See https://github.com/twbs/bootstrap/issues/19398.
color: $input-color;
background-color: $input-bg;
}
}
// Make file inputs better match text inputs by forcing them to new lines.
.form-control-file,
.form-control-range {
display: block;
width: 100%;
}
//
// Labels
//
// For use with horizontal and inline forms, when you need the label (or legend)
// text to align with the form controls.
.col-form-label {
padding-top: calc(#{$input-padding-y} + #{$input-border-width});
padding-bottom: calc(#{$input-padding-y} + #{$input-border-width});
margin-bottom: 0; // Override the `<label>/<legend>` default
@include font-size(inherit); // Override the `<legend>` default
line-height: $input-line-height;
}
.col-form-label-lg {
padding-top: calc(#{$input-padding-y-lg} + #{$input-border-width});
padding-bottom: calc(#{$input-padding-y-lg} + #{$input-border-width});
@include font-size($input-font-size-lg);
line-height: $input-line-height-lg;
}
.col-form-label-sm {
padding-top: calc(#{$input-padding-y-sm} + #{$input-border-width});
padding-bottom: calc(#{$input-padding-y-sm} + #{$input-border-width});
@include font-size($input-font-size-sm);
line-height: $input-line-height-sm;
}
// Readonly controls as plain text
//
// Apply class to a readonly input to make it appear like regular plain
// text (without any border, background color, focus indicator)
.form-control-plaintext {
display: block;
width: 100%;
padding-top: $input-padding-y;
padding-bottom: $input-padding-y;
margin-bottom: 0; // match inputs if this class comes on inputs with default margins
line-height: $input-line-height;
color: $input-plaintext-color;
background-color: transparent;
border: solid transparent;
border-width: $input-border-width 0;
&.form-control-sm,
&.form-control-lg {
padding-right: 0;
padding-left: 0;
}
}
// Form control sizing
//
// Build on `.form-control` with modifier classes to decrease or increase the
// height and font-size of form controls.
//
// Repeated in `_input_group.scss` to avoid Sass extend issues.
.form-control-sm {
height: $input-height-sm;
padding: $input-padding-y-sm $input-padding-x-sm;
@include font-size($input-font-size-sm);
line-height: $input-line-height-sm;
@include border-radius($input-border-radius-sm);
}
.form-control-lg {
height: $input-height-lg;
padding: $input-padding-y-lg $input-padding-x-lg;
@include font-size($input-font-size-lg);
line-height: $input-line-height-lg;
@include border-radius($input-border-radius-lg);
}
// stylelint-disable-next-line no-duplicate-selectors
select.form-control {
&[size],
&[multiple] {
height: auto;
}
}
textarea.form-control {
height: auto;
}
// Form groups
//
// Designed to help with the organization and spacing of vertical forms. For
// horizontal forms, use the predefined grid classes.
.form-group {
margin-bottom: $form-group-margin-bottom;
}
.form-text {
display: block;
margin-top: $form-text-margin-top;
}
// Form grid
//
// Special replacement for our grid system's `.row` for tighter form layouts.
.form-row {
display: flex;
flex-wrap: wrap;
margin-right: -$form-grid-gutter-width / 2;
margin-left: -$form-grid-gutter-width / 2;
> .col,
> [class*="col-"] {
padding-right: $form-grid-gutter-width / 2;
padding-left: $form-grid-gutter-width / 2;
}
}
// Checkboxes and radios
//
// Indent the labels to position radios/checkboxes as hanging controls.
.form-check {
position: relative;
display: block;
padding-left: $form-check-input-gutter;
}
.form-check-input {
position: absolute;
margin-top: $form-check-input-margin-y;
margin-left: -$form-check-input-gutter;
&:disabled ~ .form-check-label {
color: $text-muted;
}
}
.form-check-label {
margin-bottom: 0; // Override default `<label>` bottom margin
}
.form-check-inline {
display: inline-flex;
align-items: center;
padding-left: 0; // Override base .form-check
margin-right: $form-check-inline-margin-x;
// Undo .form-check-input defaults and add some `margin-right`.
.form-check-input {
position: static;
margin-top: 0;
margin-right: $form-check-inline-input-margin-x;
margin-left: 0;
}
}
// Form validation
//
// Provide feedback to users when form field values are valid or invalid. Works
// primarily for client-side validation via scoped `:invalid` and `:valid`
// pseudo-classes but also includes `.is-invalid` and `.is-valid` classes for
// server side validation.
@each $state, $data in $form-validation-states {
@include form-validation-state($state, map-get($data, color), map-get($data, icon));
}
// Inline forms
//
// Make forms appear inline(-block) by adding the `.form-inline` class. Inline
// forms begin stacked on extra small (mobile) devices and then go inline when
// viewports reach <768px.
//
// Requires wrapping inputs and labels with `.form-group` for proper display of
// default HTML form controls and our custom form controls (e.g., input groups).
.form-inline {
display: flex;
flex-flow: row wrap;
align-items: center; // Prevent shorter elements from growing to same height as others (e.g., small buttons growing to normal sized button height)
// Because we use flex, the initial sizing of checkboxes is collapsed and
// doesn't occupy the full-width (which is what we want for xs grid tier),
// so we force that here.
.form-check {
width: 100%;
}
// Kick in the inline
@include media-breakpoint-up(sm) {
label {
display: flex;
align-items: center;
justify-content: center;
margin-bottom: 0;
}
// Inline-block all the things for "inline"
.form-group {
display: flex;
flex: 0 0 auto;
flex-flow: row wrap;
align-items: center;
margin-bottom: 0;
}
// Allow folks to *not* use `.form-group`
.form-control {
display: inline-block;
width: auto; // Prevent labels from stacking above inputs in `.form-group`
vertical-align: middle;
}
// Make static controls behave like regular ones
.form-control-plaintext {
display: inline-block;
}
.input-group,
.custom-select {
width: auto;
}
// Remove default margin on radios/checkboxes that were used for stacking, and
// then undo the floating of radios and checkboxes to match.
.form-check {
display: flex;
align-items: center;
justify-content: center;
width: auto;
padding-left: 0;
}
.form-check-input {
position: relative;
flex-shrink: 0;
margin-top: 0;
margin-right: $form-check-input-margin-x;
margin-left: 0;
}
.custom-control {
align-items: center;
justify-content: center;
}
.custom-control-label {
margin-bottom: 0;
}
}
}
