// BUTTON GROUPS
// -------------

// Make the div behave like a button
.btn-group
  position: relative
  +clearfix
  // clears the floated buttons
  +ie7-restore-left-whitespace

// Space out series of button groups
.btn-group + .btn-group
  margin-left: 5px

// Optional: Group multiple button groups together for a toolbar
.btn-toolbar
  margin-top: $baseLineHeight / 2
  margin-bottom: $baseLineHeight / 2
  .btn-group
    display: inline-block
    +ie7-inline-block

// Float them, remove border radius, then re-add to first and last elements
.btn-group .btn
  position: relative
  float: left
  margin-left: -1px
  +border-radius(0)

// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
.btn-group .btn:first-child
  margin-left: 0
  -webkit-border-top-left-radius: 4px
  -moz-border-radius-topleft: 4px
  border-top-left-radius: 4px
  -webkit-border-bottom-left-radius: 4px
  -moz-border-radius-bottomleft: 4px
  border-bottom-left-radius: 4px

.btn-group .btn:last-child,
.btn-group .dropdown-toggle
  -webkit-border-top-right-radius: 4px
  -moz-border-radius-topright: 4px
  border-top-right-radius: 4px
  -webkit-border-bottom-right-radius: 4px
  -moz-border-radius-bottomright: 4px
  border-bottom-right-radius: 4px

// Reset corners for large buttons
.btn-group .btn.large:first-child
  margin-left: 0
  -webkit-border-top-left-radius: 6px
  -moz-border-radius-topleft: 6px
  border-top-left-radius: 6px
  -webkit-border-bottom-left-radius: 6px
  -moz-border-radius-bottomleft: 6px
  border-bottom-left-radius: 6px

.btn-group .btn.large:last-child,
.btn-group .large.dropdown-toggle
  -webkit-border-top-right-radius: 6px
  -moz-border-radius-topright: 6px
  border-top-right-radius: 6px
  -webkit-border-bottom-right-radius: 6px
  -moz-border-radius-bottomright: 6px
  border-bottom-right-radius: 6px

// On hover/focus/active, bring the proper btn to front

.btn-group .btn:hover,
.btn-group .btn:focus,
.btn-group .btn:active,
.btn-group .btn.active
  z-index: 2

// On active and open, don't show outline

.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle
  outline: 0

// Split button dropdowns
// ----------------------

// Give the line between buttons some depth
.btn-group .dropdown-toggle
  padding-left: 8px
  padding-right: 8px
  $shadow: inset 1px 0 0 rgba(255, 255, 255, 0.125), inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05)
  +box-shadow($shadow)
  *padding-top: 5px
  *padding-bottom: 5px

.btn-group.open
  // IE7's z-index only goes to the nearest positioned ancestor, which would
  // make the menu appear below buttons that appeared later on the page
  *z-index: $zindexDropdown
  // Reposition menu on open and round all corners
  .dropdown-menu
    display: block
    margin-top: 1px
    +border-radius(5px)
  .dropdown-toggle
    background-image: none
    $shadow: inset 0 1px 6px rgba(0, 0, 0, 0.15), 0 1px 2px rgba(0, 0, 0, 0.05)
    +box-shadow($shadow)

// Reposition the caret
.btn .caret
  margin-top: 7px
  margin-left: 0

.btn:hover .caret,
.open.btn-group .caret
  +opacity(1)

// Account for other colors

.btn-primary,
.btn-danger,
.btn-info,
.btn-success
  .caret
    border-top-color: $white
    +opacity(0.75)

// Small button dropdowns
.btn-small .caret
  margin-top: 4px