//
// Buttons
// --------------------------------------------------

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

// Core
.btn
  display: inline-block
  +ie7-inline-block
  padding: 4px 12px
  margin-bottom: 0
  // For input.btn
  font-size: $baseFontSize
  line-height: $baseLineHeight
  *line-height: $baseLineHeight
  text-align: center
  vertical-align: middle
  cursor: pointer
  +buttonBackground($btnBackground, $btnBackgroundHighlight, $grayDark, 0 1px 1px rgba(255, 255, 255, 0.75))
  border: 1px solid $btnBorder
  *border: 0
  // Remove the border to prevent IE7's black border on input:focus
  border-bottom-color: darken($btnBorder, 10%)
  +border-radius($baseBorderRadius)
  +ie7-restore-left-whitespace
  // Give IE7 some love
  +box-shadow(inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05))
  // Hover state
  &:hover
    color: $grayDark
    text-decoration: none
    background-color: darken($white, 10%)
    *background-color: darken($white, 15%)
    /* Buttons in IE7 don't get borders, so darken on hover
    background-position: 0 -15px
    // transition is only when going to hover, otherwise the background
    // behind the gradient (there for IE<=9 fallback) gets mismatched
    +transition(background-position 0.1s linear)
  // Focus state for keyboard and accessibility
  &:focus
    +tab-focus
  // Active state
  &.active,
  &:active
    background-color: darken($white, 10%)
    background-color: darken($white, 15%) \9
    background-image: none
    outline: 0
    +box-shadow(inset 0 2px 4px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05))
  // Disabled state
  &.disabled,
  &[disabled]
    cursor: default
    background-color: darken($white, 10%)
    background-image: none
    +opacity(65)
    +box-shadow(none)

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

// Large
.btn-large
  padding: $paddingLarge
  font-size: $fontSizeLarge
  +border-radius($borderRadiusLarge)

.btn-large [class^="icon-"],
.btn-large [class*=" icon-"]
  margin-top: 2px

// Small
.btn-small
  padding: $paddingSmall
  font-size: $fontSizeSmall
  +border-radius($borderRadiusSmall)

.btn-small [class^="icon-"],
.btn-small [class*=" icon-"]
  margin-top: 0

// Mini
.btn-mini
  padding: $paddingMini
  font-size: $fontSizeMini
  +border-radius($borderRadiusSmall)

// Block button
// -------------------------

.btn-block
  display: block
  width: 100%
  padding-left: 0
  padding-right: 0
  +box-sizing(border-box)

// Vertically space out multiple block buttons
.btn-block + .btn-block
  margin-top: 5px

// Specificity overrides

input[type="submit"],
input[type="reset"],
input[type="button"]
  &.btn-block
    width: 100%

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

// 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-inverse.active
  color: rgba(255, 255, 255, 0.75)

// Set the backgrounds
// -------------------------
.btn
  // reset here as of 2.0.3 due to Recess property order
  border-color: #c5c5c5
  border-color: rgba(0, 0, 0, 0.15) rgba(0, 0, 0, 0.15) rgba(0, 0, 0, 0.25)

.btn-primary
  +buttonBackground($btnPrimaryBackground, $btnPrimaryBackgroundHighlight)

// Warning appears are orange
.btn-warning
  +buttonBackground($btnWarningBackground, $btnWarningBackgroundHighlight)

// Danger and error appear as red
.btn-danger
  +buttonBackground($btnDangerBackground, $btnDangerBackgroundHighlight)

// Success appears as green
.btn-success
  +buttonBackground($btnSuccessBackground, $btnSuccessBackgroundHighlight)

// Info appears as a neutral blue
.btn-info
  +buttonBackground($btnInfoBackground, $btnInfoBackgroundHighlight)

// Inverse appears as dark gray
.btn-inverse
  +buttonBackground($btnInverseBackground, $btnInverseBackgroundHighlight)

// 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: 3px
  *padding-bottom: 3px
  &.btn-large
    *padding-top: 7px
    *padding-bottom: 7px
  &.btn-small
    *padding-top: 3px
    *padding-bottom: 3px
  &.btn-mini
    *padding-top: 1px
    *padding-bottom: 1px

// Link buttons
// --------------------------------------------------

// Make a button look and behave like a link

.btn-link,
.btn-link:active,
.btn-link[disabled]
  background-color: transparent
  background-image: none
  +box-shadow(none)

.btn-link
  border-color: transparent
  cursor: pointer
  color: $linkColor
  +border-radius(0)

.btn-link:hover
  color: $linkColorHover
  text-decoration: underline
  background-color: transparent

.btn-link[disabled]:hover
  color: $grayDark
  text-decoration: none