bulma/sass/elements/form.sass

$input:                     $grey-darker !default
$input-background:          $white !default
$input-border:              $grey-lighter !default

$input-hover:               $grey-darker !default
$input-hover-border:        $grey-light !default

$input-focus:               $grey-darker !default
$input-focus-border:        $link !default

$input-disabled:            $text-light !default
$input-disabled-background: $background !default
$input-disabled-border:     $background !default

$input-arrow:               $link !default

$input-icon:                $grey-lighter !default
$input-icon-active:         $grey !default

$input-radius:              $radius !default

=input
  +control
  background-color: $input-background
  border-color: $input-border
  color: $input
  &:hover,
  &.is-hovered
    border-color: $input-hover-border
  &:focus,
  &.is-focused,
  &:active,
  &.is-active
    border-color: $input-focus-border
  &[disabled]
    background-color: $input-disabled-background
    border-color: $input-disabled-border
    box-shadow: none
    color: $input-disabled
    +placeholder
      color: rgba($input, 0.3)

.input,
.textarea
  +input
  box-shadow: inset 0 1px 2px rgba($black, 0.1)
  max-width: 100%
  width: 100%
  &[type="search"]
    border-radius: 290486px
  // Colors
  @each $name, $pair in $colors
    $color: nth($pair, 1)
    &.is-#{$name}
      border-color: $color
  // Sizes
  &.is-small
    +control-small
  &.is-medium
    +control-medium
  &.is-large
    +control-large
  // Modifiers
  &.is-fullwidth
    display: block
    width: 100%
  &.is-inline
    display: inline
    width: auto

.textarea
  display: block
  max-height: 600px
  max-width: 100%
  min-height: 120px
  min-width: 100%
  padding: 0.625em
  resize: vertical

.checkbox,
.radio
  cursor: pointer
  display: inline-block
  line-height: 1.25
  position: relative
  input
    cursor: pointer
  &:hover
    color: $input-hover
  &[disabled]
    color: $input-disabled
    cursor: not-allowed

.radio
  & + .radio
    margin-left: 0.5em

.select
  display: inline-block
  height: 2.25em
  position: relative
  vertical-align: top
  &:after
    +arrow($input-arrow)
    margin-top: -0.375em
    right: 1.125em
    top: 50%
    z-index: 4
  select
    +input
    cursor: pointer
    display: block
    font-size: 1em
    outline: none
    padding-right: 2.5em
    &:hover
      border-color: $input-hover-border
    &::-ms-expand
      display: none
    &[disabled]:hover
      border-color: $input-disabled-border
  // States
  &:hover
    &:after
      border-color: $input-hover
  // Colors
  @each $name, $pair in $colors
    $color: nth($pair, 1)
    &.is-#{$name} select
      border-color: $color
  // Sizes
  &.is-small
    +control-small
  &.is-medium
    +control-medium
  &.is-large
    +control-large
  // Modifiers
  &.is-disabled
    &:after
      border-color: $input-disabled
  &.is-fullwidth
    width: 100%
    select
      width: 100%
  &.is-loading
    &:after
      +loader
      margin-top: 0
      position: absolute
      right: 0.625em
      top: 0.625em
      transform: none

.label
  color: $input
  display: block
  font-size: $size-normal
  font-weight: $weight-bold
  &:not(:last-child)
    margin-bottom: 0.5em
  // Sizes
  &.is-small
    font-size: $size-small
  &.is-medium
    font-size: $size-medium
  &.is-large
    font-size: $size-large

.help
  display: block
  font-size: $size-small
  margin-top: 0.25rem
  @each $name, $pair in $colors
    $color: nth($pair, 1)
    &.is-#{$name}
      color: $color

// Containers

.field
  &:not(:last-child)
    margin-bottom: 0.75rem
  // Modifiers
  &.has-addons
    display: flex
    justify-content: flex-start
    .control
      margin-right: -1px
      &:first-child
        .button,
        .input,
        .select select
          border-bottom-left-radius: $input-radius
          border-top-left-radius: $input-radius
      &:last-child
        .button,
        .input,
        .select select
          border-bottom-right-radius: $input-radius
          border-top-right-radius: $input-radius
      .button,
      .input,
      .select select
        border-radius: 0
        &:hover,
        &.is-hovered
          z-index: 2
        &:focus,
        &.is-focused,
        &:active,
        &.is-active
          z-index: 3
          &:hover
            z-index: 4
      &.is-expanded
        flex-grow: 1
        flex-shrink: 0
    &.has-addons-centered
      justify-content: center
    &.has-addons-right
      justify-content: flex-end
    &.has-addons-fullwidth
      .control
        flex-grow: 1
        flex-shrink: 0
  &.is-grouped
    display: flex
    justify-content: flex-start
    & > .control
      flex-shrink: 0
      &:not(:last-child)
        margin-bottom: 0
        margin-right: 0.75rem
      &.is-expanded
        flex-grow: 1
        flex-shrink: 1
    &.is-grouped-centered
      justify-content: center
    &.is-grouped-right
      justify-content: flex-end
  &.is-horizontal
    +tablet
      display: flex

.field-label
  .label
    font-size: inherit
  +mobile
    margin-bottom: 0.5rem
  +tablet
    flex-basis: 0
    flex-grow: 1
    flex-shrink: 0
    margin-right: 1.5rem
    text-align: right
    &.is-small
      font-size: $size-small
      padding-top: 0.375em
    &.is-normal
      padding-top: 0.375em
    &.is-medium
      font-size: $size-medium
      padding-top: 0.375em
    &.is-large
      font-size: $size-large
      padding-top: 0.375em

.field-body
  +tablet
    display: flex
    flex-basis: 0
    flex-grow: 5
    flex-shrink: 1
    .field
      flex-shrink: 1
      &:not(.is-narrow)
        flex-grow: 1
      &:not(:last-child)
        margin-bottom: 0
        margin-right: 0.75rem

.control
  font-size: $size-normal
  position: relative
  text-align: left
  // Modifiers
  // DEPRECATED
  &.has-icon
    .icon
      color: $input-icon
      height: 2.25em
      pointer-events: none
      position: absolute
      top: 0
      width: 2.25em
      z-index: 4
    .input
      &:focus
        & + .icon
          color: $input-icon-active
      &.is-small
        & + .icon
          font-size: $size-small
      &.is-medium
        & + .icon
          font-size: $size-medium
      &.is-large
        & + .icon
          font-size: $size-large
    &:not(.has-icon-right)
      .icon
        left: 0
      .input
        padding-left: 2.25em
    &.has-icon-right
      .icon
        right: 0
      .input
        padding-right: 2.25em
  &.has-icons-left,
  &.has-icons-right
    .input
      &:focus
        & ~ .icon
          color: $input-icon-active
      &.is-small ~ .icon
        font-size: $size-small
      &.is-medium ~ .icon
        font-size: $size-medium
      &.is-large ~ .icon
        font-size: $size-large
    .icon
      color: $input-icon
      height: 2.25em
      pointer-events: none
      position: absolute
      top: 0
      width: 2.25em
      z-index: 4
  &.has-icons-left
    .input
      padding-left: 2.25em
    .icon.is-left
      left: 0
  &.has-icons-right
    .input
        padding-right: 2.25em
    .icon.is-right
      right: 0
  &.is-loading
    &:after
      +loader
      position: absolute !important
      right: 0.625em
      top: 0.625em