// BUTTON STYLES
// -------------

// Base styles
// --------------------------------------------------

// Core
.btn
  display: inline-block
  padding: 4px 10px 4px
  margin-bottom: 0
  // For input.btn
  font-size: $baseFontSize
  line-height: $baseLineHeight
  color: $grayDark
  text-align: center
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.75)
  vertical-align: middle
  +buttonBackground($white, darken($white, 10%))
  border: 1px solid #ccc
  border-bottom-color: #bbb
  +border-radius(4px)
  $shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05)
  +box-shadow($shadow)
  cursor: pointer
  // Give IE7 some love
  +reset-filter
  +ie7-restore-left-whitespace

// Hover state
.btn:hover
  color: $grayDark
  text-decoration: none
  background-color: darken($white, 10%)
  background-position: 0 -15px
  // transition is only when going to hover, otherwise the background
  // behind the gradient (there for IE<=9 fallback) gets mismatched
  +transition(background-position 0.1s linear)

// Focus state for keyboard and accessibility
.btn:focus
  +tab-focus

// Active state

.btn.active,
.btn:active
  background-image: none
  $shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05)
  +box-shadow($shadow)
  background-color: darken($white, 10%)
  background-color: darken($white, 15%) #{"\9"}
  outline: 0

// Disabled state

.btn.disabled,
.btn[disabled]
  cursor: default
  background-image: none
  background-color: darken($white, 10%)
  +opacity(65)
  +box-shadow(none)

// Button Sizes
// --------------------------------------------------

// Large
.btn-large
  padding: 9px 14px
  font-size: $baseFontSize + 2px
  line-height: normal
  +border-radius(5px)

.btn-large [class^="icon-"]
  margin-top: 1px

// Small
.btn-small
  padding: 5px 9px
  font-size: $baseFontSize - 2px
  line-height: $baseLineHeight - 2px

.btn-small [class^="icon-"]
  margin-top: -1px

// Mini
.btn-mini
  padding: 2px 6px
  font-size: $baseFontSize - 2px
  line-height: $baseLineHeight - 4px

// Alternate buttons
// --------------------------------------------------

// Set text color
// -------------------------

.btn-primary,
.btn-primary:hover,
.btn-warning,
.btn-warning:hover,
.btn-danger,
.btn-danger:hover,
.btn-success,
.btn-success:hover,
.btn-info,
.btn-info:hover,
.btn-inverse,
.btn-inverse:hover
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25)
  color: $white

// Provide *some* extra contrast for those who can get it

.btn-primary.active,
.btn-warning.active,
.btn-danger.active,
.btn-success.active,
.btn-info.active,
.btn-dark.active
  color: rgba(255, 255, 255, 0.75)

// Set the backgrounds
// -------------------------
.btn-primary
  +buttonBackground($primaryButtonBackground, adjust-hue($primaryButtonBackground, 20))

// Warning appears are orange
.btn-warning
  +buttonBackground(lighten($orange, 15%), $orange)

// Danger and error appear as red
.btn-danger
  +buttonBackground(#ee5f5b, #bd362f)

// Success appears as green
.btn-success
  +buttonBackground(#62c462, #51a351)

// Info appears as a neutral blue
.btn-info
  +buttonBackground(#5bc0de, #2f96b4)

// Inverse appears as dark gray
.btn-inverse
  +buttonBackground(#454545, #262626)

// Cross-browser Jank
// --------------------------------------------------

button.btn,
input[type="submit"].btn
  // Firefox 3.6 only I believe
  &::-moz-focus-inner
    padding: 0
    border: 0
  // IE7 has some default padding on button controls
  *padding-top: 2px
  *padding-bottom: 2px
  &.large
    *padding-top: 7px
    *padding-bottom: 7px
  &.small
    *padding-top: 3px
    *padding-bottom: 3px