// Forms.less
// Base styles for various input types, form layouts, and states
// -------------------------------------------------------------

// GENERAL STYLES
// --------------

// Make all forms have space below them
form
  margin: 0 0 $baseLineHeight

fieldset
  padding: 0
  margin: 0
  border: 0

// Groups of fields with labels on top (legends)
legend
  display: block
  width: 100%
  padding: 0
  margin-bottom: $baseLineHeight * 1.5
  font-size: $baseFontSize * 1.5
  line-height: $baseLineHeight * 2
  color: $grayDark
  border: 0
  border-bottom: 1px solid #eee
  // Small
  small
    font-size: $baseLineHeight * 0.75
    color: $grayLight

// Set font for forms

label,
input,
button,
select,
textarea
  +font-shorthand($baseFontSize, normal, $baseLineHeight)
  // Set size, weight, line-height here

input,
button,
select,
textarea
  +font-family-sans-serif
  // And only set font-family here for those that need it (note the missing label element)

// Identify controls by their labels
label
  display: block
  margin-bottom: 5px
  color: $grayDark

// Inputs, Textareas, Selects

input,
textarea,
select,
.uneditable-input
  display: inline-block
  width: 210px
  height: $baseLineHeight
  padding: 4px
  margin-bottom: 9px
  font-size: $baseFontSize
  line-height: $baseLineHeight
  color: $gray
  border: 1px solid #ccc
  +border-radius(3px)

.uneditable-textarea
  width: auto
  height: auto

// Inputs within a label

label input,
label textarea,
label select
  display: block

// Mini reset for unique input types

input[type="image"],
input[type="checkbox"],
input[type="radio"]
  width: auto
  height: auto
  padding: 0
  margin: 3px 0
  *margin-top: 0
  /* IE7
  line-height: normal
  cursor: pointer
  +border-radius(0)
  border: 0 \9
  /* IE9 and down

input[type="image"]
  border: 0

// Reset the file input to browser defaults
input[type="file"]
  width: auto
  padding: initial
  line-height: initial
  border: initial
  background-color: $white
  background-color: initial
  +box-shadow(none)

// Help out input buttons

input[type="button"],
input[type="reset"],
input[type="submit"]
  width: auto
  height: auto

// Set the height of select and file controls to match text inputs

select,
input[type="file"]
  height: 28px
  /* In IE7, the height of the select element cannot be changed by height, only font-size
  *margin-top: 4px
  /* For IE7, add top margin to align select with labels
  line-height: 28px

// Reset line-height for IE
input[type="file"]
  line-height: 18px \9

// Chrome on Linux and Mobile Safari need background-color
select
  width: 220px
  // default input width + 10px of padding that doesn't get applied
  background-color: $white

// Make multiple select elements height not fixed

select[multiple],
select[size]
  height: auto

// Remove shadow from image inputs
input[type="image"]
  +box-shadow(none)

// Make textarea height behave
textarea
  height: auto

// Hidden inputs
input[type="hidden"]
  display: none

// CHECKBOXES & RADIOS
// -------------------

// Indent the labels to position radios/checkboxes as hanging

.radio,
.checkbox
  padding-left: 18px

.radio input[type="radio"],
.checkbox input[type="checkbox"]
  float: left
  margin-left: -18px

// Move the options list down to align with labels

.controls > .radio:first-child,
.controls > .checkbox:first-child
  padding-top: 5px
  // has to be padding because margin collaspes

// Radios and checkboxes on same line
// TODO v3: Convert .inline to .control-inline

.radio.inline,
.checkbox.inline
  display: inline-block
  padding-top: 5px
  margin-bottom: 0
  vertical-align: middle

.radio.inline + .radio.inline,
.checkbox.inline + .checkbox.inline
  margin-left: 10px
  // space out consecutive inline controls

// FOCUS STATE
// -----------

input,
textarea
  +box-shadow(inset 0 1px 1px rgba(0, 0, 0, 0.075))
  $transition: border linear 0.2s, box-shadow linear 0.2s
  +transition($transition)

input:focus,
textarea:focus
  border-color: rgba(82, 168, 236, 0.8)
  $shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075), 0 0 8px rgba(82, 168, 236, 0.6)
  +box-shadow($shadow)
  outline: 0
  outline: thin dotted \9
  /* IE6-9

input[type="file"]:focus,
input[type="radio"]:focus,
input[type="checkbox"]:focus,
select:focus
  +box-shadow(none)
  // override for file inputs
  +tab-focus

// INPUT SIZES
// -----------

// General classes for quick sizes
.input-mini
  width: 60px

.input-small
  width: 90px

.input-medium
  width: 150px

.input-large
  width: 210px

.input-xlarge
  width: 270px

.input-xxlarge
  width: 530px

// Grid style input sizes

input[class*="span"],
select[class*="span"],
textarea[class*="span"],
.uneditable-input
  float: none
  margin-left: 0

// GRID SIZING FOR INPUTS
// ----------------------

+inputGridSystem-generate($gridColumns, $gridColumnWidth, $gridGutterWidth)

// DISABLED STATE
// --------------

// Disabled and read-only inputs

input[disabled],
select[disabled],
textarea[disabled],
input[readonly],
select[readonly],
textarea[readonly]
  background-color: #f5f5f5
  border-color: #ddd
  cursor: not-allowed

// FORM FIELD FEEDBACK STATES
// --------------------------

// Warning
.control-group.warning
  +formFieldState($warningText, $warningText, $warningBackground)

// Error
.control-group.error
  +formFieldState($errorText, $errorText, $errorBackground)

// Success
.control-group.success
  +formFieldState($successText, $successText, $successBackground)

// HTML5 invalid states
// Shares styles with the .control-group.error above

input:focus:required:invalid,
textarea:focus:required:invalid,
select:focus:required:invalid
  color: #b94a48
  border-color: #ee5f5b
  &:focus
    border-color: darken(#ee5f5b, 10%)
    +box-shadow(0 0 6px lighten(#ee5f5b, 20%))

// FORM ACTIONS
// ------------

.form-actions
  padding: $baseLineHeight - 1 20px $baseLineHeight
  margin-top: $baseLineHeight
  margin-bottom: $baseLineHeight
  background-color: #f5f5f5
  border-top: 1px solid #ddd

// For text that needs to appear as an input but should not be an input
.uneditable-input
  display: block
  background-color: $white
  border-color: #eee
  +box-shadow(inset 0 1px 2px rgba(0, 0, 0, 0.025))
  cursor: not-allowed

// Placeholder text gets special styles; can't be bundled together though for some reason
+placeholder($grayLight)

// HELP TEXT
// ---------

.help-block
  display: block
  // account for any element using help-block
  margin-top: 5px
  margin-bottom: 0
  color: $grayLight

.help-inline
  display: inline-block
  +ie7-inline-block
  margin-bottom: 9px
  vertical-align: middle
  padding-left: 5px

// INPUT GROUPS
// ------------

// Allow us to put symbols and text within the input field for a cleaner look

.input-prepend,
.input-append
  margin-bottom: 5px
  +clearfix
  // Clear the float to prevent wrapping
  input,
  .uneditable-input
    +border-radius(0 3px 3px 0)
    &:focus
      position: relative
      z-index: 2
  .uneditable-input
    border-left-color: #ccc
  .add-on
    float: left
    display: block
    width: auto
    min-width: 16px
    height: $baseLineHeight
    margin-right: -1px
    padding: 4px 5px
    font-weight: normal
    line-height: $baseLineHeight
    color: $grayLight
    text-align: center
    text-shadow: 0 1px 0 $white
    background-color: #f5f5f5
    border: 1px solid #ccc
    +border-radius(3px 0 0 3px)
  .active
    background-color: lighten($green, 30)
    border-color: $green

.input-prepend
  .add-on
    *margin-top: 1px
    /* IE6-7

.input-append
  input,
  .uneditable-input
    float: left
    +border-radius(3px 0 0 3px)
  .uneditable-input
    border-left-color: #eee
    border-right-color: #ccc
  .add-on
    margin-right: 0
    margin-left: -1px
    +border-radius(0 3px 3px 0)
  input:first-child
    // In IE7, having a hasLayout container (from clearfix's zoom:1) can make the first input
    // inherit the sum of its ancestors' margins.
    *margin-left: -160px
    & + .add-on
      *margin-left: -21px

// SEARCH FORM
// -----------

.search-query
  padding-left: 14px
  padding-right: 14px
  margin-bottom: 0
  // remove the default margin on all inputs
  +border-radius(14px)

// HORIZONTAL & VERTICAL FORMS
// ---------------------------

// Common properties
// -----------------

.form-search,
.form-inline,
.form-horizontal
  input,
  textarea,
  select,
  .help-inline,
  .uneditable-input
    display: inline-block
    margin-bottom: 0
  // Re-hide hidden elements due to specifity
  .hide
    display: none

.form-search label,
.form-inline label,
.form-search .input-append,
.form-inline .input-append,
.form-search .input-prepend,
.form-inline .input-prepend
  display: inline-block

// Make the prepend and append add-on vertical-align: middle;

.form-search .input-append .add-on,
.form-inline .input-prepend .add-on,
.form-search .input-append .add-on,
.form-inline .input-prepend .add-on
  vertical-align: middle

// Inline checkbox/radio labels

.form-search .radio,
.form-inline .radio,
.form-search .checkbox,
.form-inline .checkbox
  margin-bottom: 0
  vertical-align: middle

// Margin to space out fieldsets
.control-group
  margin-bottom: $baseLineHeight / 2

// Legend collapses margin, so next element is responsible for spacing
legend + .control-group
  margin-top: $baseLineHeight
  -webkit-margin-top-collapse: separate

// Horizontal-specific styles
// --------------------------

.form-horizontal
  // Increase spacing between groups
  .control-group
    margin-bottom: $baseLineHeight
    +clearfix
  // Float the labels left
  .control-label
    float: left
    width: 140px
    padding-top: 5px
    text-align: right
  // Move over all input controls and content
  .controls
    margin-left: 160px
  // Move over buttons in .form-actions to align with .controls
  .form-actions
    padding-left: 160px