// // Input groups // ————————————————–

// Base styles // ————————- .input-group {

position: relative; // For dropdowns
display: table;
border-collapse: separate; // prevent input groups from inheriting border styles from table cells when placed within a table

// Undo padding and float of grid classes
&[class*="col-"] {
  float: none;
  padding-left: 0;
  padding-right: 0;
}

.form-control {
  // IE9 fubars the placeholder attribute in text inputs and the arrows on
  // select elements in input groups. To fix it, we float the input. Details:
  // https://github.com/twbs/bootstrap/issues/11561#issuecomment-28936855
  float: left;

  width: 100%;
  margin-bottom: 0;
}

}

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

.input-group-lg > .form-control, .input-group-lg > .input-group-addon, .input-group-lg > .input-group-btn > .btn { .input-lg(); } .input-group-sm > .form-control, .input-group-sm > .input-group-addon, .input-group-sm > .input-group-btn > .btn { .input-sm(); }

// Display as table-cell // ————————- .input-group-addon, .input-group-btn, .input-group .form-control {

display: table-cell;

&:not(:first-child):not(:last-child) {
  border-radius: 0;
}

} // Addon and addon wrapper for buttons .input-group-addon, .input-group-btn {

width: 1%;
white-space: nowrap;
vertical-align: middle; // Match the inputs

}

// Text input groups // ————————- .input-group-addon {

padding: @padding-base-vertical @padding-base-horizontal;
font-size: @font-size-base;
font-weight: normal;
line-height: 1;
color: @input-color;
text-align: center;
background-color: @input-group-addon-bg;
border: 1px solid @input-group-addon-border-color;
border-radius: @border-radius-base;

// Sizing
&.input-sm {
  padding: @padding-small-vertical @padding-small-horizontal;
  font-size: @font-size-small;
  border-radius: @border-radius-small;
}
&.input-lg {
  padding: @padding-large-vertical @padding-large-horizontal;
  font-size: @font-size-large;
  border-radius: @border-radius-large;
}

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

}

// Reset rounded corners .input-group .form-control:first-child, .input-group-addon:first-child, .input-group-btn:first-child > .btn, .input-group-btn:first-child > .btn-group > .btn, .input-group-btn:first-child > .dropdown-toggle, .input-group-btn:last-child > .btn:not(:last-child):not(.dropdown-toggle), .input-group-btn:last-child > .btn-group:not(:last-child) > .btn {

.border-right-radius(0);

} .input-group-addon:first-child {

border-right: 0;

} .input-group .form-control:last-child, .input-group-addon:last-child, .input-group-btn:last-child > .btn, .input-group-btn:last-child > .btn-group > .btn, .input-group-btn:last-child > .dropdown-toggle, .input-group-btn:first-child > .btn:not(:first-child), .input-group-btn:first-child > .btn-group:not(:first-child) > .btn {

.border-left-radius(0);

} .input-group-addon:last-child {

border-left: 0;

}

// Button input groups // ————————- .input-group-btn {

position: relative;
// Jankily prevent input button groups from wrapping with `white-space` and
// `font-size` in combination with `inline-block` on buttons.
font-size: 0;
white-space: nowrap;

// Negative margin for spacing, position for bringing hovered/focused/actived
// element above the siblings.
> .btn {
  position: relative;
  + .btn {
    margin-left: -1px;
  }
  // Bring the "active" button to the front
  &:hover,
  &:focus,
  &:active {
    z-index: 2;
  }
}

// Negative margin to only have a 1px border between the two
&:first-child {
  > .btn,
  > .btn-group {
    margin-right: -1px;
  }
}
&:last-child {
  > .btn,
  > .btn-group {
    margin-left: -1px;
  }
}

}