1// stylelint-disable selector-no-qualifying-type
2
3//
4// Base styles
5//
6
7.input-group {
8  position: relative;
9  display: flex;
10  flex-wrap: wrap; // For form validation feedback
11  align-items: stretch;
12  width: 100%;
13
14  > .form-control,
15  > .form-control-plaintext,
16  > .custom-select,
17  > .custom-file {
18    position: relative; // For focus state's z-index
19    flex: 1 1 auto;
20    width: 1%;
21    min-width: 0; // https://stackoverflow.com/questions/36247140/why-dont-flex-items-shrink-past-content-size
22    margin-bottom: 0;
23
24    + .form-control,
25    + .custom-select,
26    + .custom-file {
27      margin-left: -$input-border-width;
28    }
29  }
30
31  // Bring the "active" form control to the top of surrounding elements
32  > .form-control:focus,
33  > .custom-select:focus,
34  > .custom-file .custom-file-input:focus ~ .custom-file-label {
35    z-index: 3;
36  }
37
38  // Bring the custom file input above the label
39  > .custom-file .custom-file-input:focus {
40    z-index: 4;
41  }
42
43  > .form-control,
44  > .custom-select {
45    &:not(:last-child) { @include border-right-radius(0); }
46    &:not(:first-child) { @include border-left-radius(0); }
47  }
48
49  // Custom file inputs have more complex markup, thus requiring different
50  // border-radius overrides.
51  > .custom-file {
52    display: flex;
53    align-items: center;
54
55    &:not(:last-child) .custom-file-label,
56    &:not(:last-child) .custom-file-label::after { @include border-right-radius(0); }
57    &:not(:first-child) .custom-file-label { @include border-left-radius(0); }
58  }
59}
60
61
62// Prepend and append
63//
64// While it requires one extra layer of HTML for each, dedicated prepend and
65// append elements allow us to 1) be less clever, 2) simplify our selectors, and
66// 3) support HTML5 form validation.
67
68.input-group-prepend,
69.input-group-append {
70  display: flex;
71
72  // Ensure buttons are always above inputs for more visually pleasing borders.
73  // This isn't needed for `.input-group-text` since it shares the same border-color
74  // as our inputs.
75  .btn {
76    position: relative;
77    z-index: 2;
78
79    &:focus {
80      z-index: 3;
81    }
82  }
83
84  .btn + .btn,
85  .btn + .input-group-text,
86  .input-group-text + .input-group-text,
87  .input-group-text + .btn {
88    margin-left: -$input-border-width;
89  }
90}
91
92.input-group-prepend { margin-right: -$input-border-width; }
93.input-group-append { margin-left: -$input-border-width; }
94
95
96// Textual addons
97//
98// Serves as a catch-all element for any text or radio/checkbox input you wish
99// to prepend or append to an input.
100
101.input-group-text {
102  display: flex;
103  align-items: center;
104  padding: $input-padding-y $input-padding-x;
105  margin-bottom: 0; // Allow use of <label> elements by overriding our default margin-bottom
106  @include font-size($input-font-size); // Match inputs
107  font-weight: $font-weight-normal;
108  line-height: $input-line-height;
109  color: $input-group-addon-color;
110  text-align: center;
111  white-space: nowrap;
112  background-color: $input-group-addon-bg;
113  border: $input-border-width solid $input-group-addon-border-color;
114  @include border-radius($input-border-radius);
115
116  // Nuke default margins from checkboxes and radios to vertically center within.
117  input[type="radio"],
118  input[type="checkbox"] {
119    margin-top: 0;
120  }
121}
122
123
124// Sizing
125//
126// Remix the default form control sizing classes into new ones for easier
127// manipulation.
128
129.input-group-lg > .form-control:not(textarea),
130.input-group-lg > .custom-select {
131  height: $input-height-lg;
132}
133
134.input-group-lg > .form-control,
135.input-group-lg > .custom-select,
136.input-group-lg > .input-group-prepend > .input-group-text,
137.input-group-lg > .input-group-append > .input-group-text,
138.input-group-lg > .input-group-prepend > .btn,
139.input-group-lg > .input-group-append > .btn {
140  padding: $input-padding-y-lg $input-padding-x-lg;
141  @include font-size($input-font-size-lg);
142  line-height: $input-line-height-lg;
143  @include border-radius($input-border-radius-lg);
144}
145
146.input-group-sm > .form-control:not(textarea),
147.input-group-sm > .custom-select {
148  height: $input-height-sm;
149}
150
151.input-group-sm > .form-control,
152.input-group-sm > .custom-select,
153.input-group-sm > .input-group-prepend > .input-group-text,
154.input-group-sm > .input-group-append > .input-group-text,
155.input-group-sm > .input-group-prepend > .btn,
156.input-group-sm > .input-group-append > .btn {
157  padding: $input-padding-y-sm $input-padding-x-sm;
158  @include font-size($input-font-size-sm);
159  line-height: $input-line-height-sm;
160  @include border-radius($input-border-radius-sm);
161}
162
163.input-group-lg > .custom-select,
164.input-group-sm > .custom-select {
165  padding-right: $custom-select-padding-x + $custom-select-indicator-padding;
166}
167
168
169// Prepend and append rounded corners
170//
171// These rulesets must come after the sizing ones to properly override sm and lg
172// border-radius values when extending. They're more specific than we'd like
173// with the `.input-group >` part, but without it, we cannot override the sizing.
174
175
176.input-group > .input-group-prepend > .btn,
177.input-group > .input-group-prepend > .input-group-text,
178.input-group > .input-group-append:not(:last-child) > .btn,
179.input-group > .input-group-append:not(:last-child) > .input-group-text,
180.input-group > .input-group-append:last-child > .btn:not(:last-child):not(.dropdown-toggle),
181.input-group > .input-group-append:last-child > .input-group-text:not(:last-child) {
182  @include border-right-radius(0);
183}
184
185.input-group > .input-group-append > .btn,
186.input-group > .input-group-append > .input-group-text,
187.input-group > .input-group-prepend:not(:first-child) > .btn,
188.input-group > .input-group-prepend:not(:first-child) > .input-group-text,
189.input-group > .input-group-prepend:first-child > .btn:not(:first-child),
190.input-group > .input-group-prepend:first-child > .input-group-text:not(:first-child) {
191  @include border-left-radius(0);
192}
193