//
// Load core variables and mixins
// --------------------------------------------------

@import twitter/bootstrap/variables
@import twitter/bootstrap/mixins

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

// Common styles

.btn-default,
.btn-primary,
.btn-success,
.btn-info,
.btn-warning,
.btn-danger
  text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.2)
  $shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.075)
  +box-shadow($shadow)
  // Reset the shadow
  &:active,
  &.active
    +box-shadow(inset 0 3px 5px rgba(0, 0, 0, 0.125))

// Mixin for generating new styles
=btn-styles($btn-color: #555555)
  +gradient-vertical($start_color: $btn-color, $end_color: darken($btn-color, 10%))
  border-color: darken($btn-color, 12%)
  &:active,
  &.active
    background-color: darken($btn-color, 10%)
    border-color: darken($btn-color, 12%)

// Common styles
.btn
  // Remove the gradient for the pressed/active state
  &:active,
  &.active
    background-image: none

// Apply the mixin to the buttons
.btn-default
  +btn-styles($btn-default-bg)
  text-shadow: 0 1px 0 #fff
  border-color: #ccc

.btn-primary
  +btn-styles($btn-primary-bg)

.btn-success
  +btn-styles($btn-success-bg)

.btn-warning
  +btn-styles($btn-warning-bg)

.btn-danger
  +btn-styles($btn-danger-bg)

.btn-info
  +btn-styles($btn-info-bg)

//
// Images
// --------------------------------------------------

.thumbnail,
.img-thumbnail
  +box-shadow(0 1px 2px rgba(0, 0, 0, 0.075))

//
// Dropdowns
// --------------------------------------------------

.dropdown-menu > li > a:hover,
.dropdown-menu > li > a:focus,
.dropdown-menu > .active > a,
.dropdown-menu > .active > a:hover,
.dropdown-menu > .active > a:focus
  +gradient-vertical($start_color: $dropdown-link-hover-bg, $end_color: darken($dropdown-link-hover-bg, 5%))
  background-color: darken($dropdown-link-hover-bg, 5%)

//
// Navbar
// --------------------------------------------------

// Basic navbar
.navbar
  +gradient-vertical($start_color: lighten($navbar-default-bg, 10%), $end_color: $navbar-default-bg)
  border-radius: $navbar-border-radius
  $shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 5px rgba(0, 0, 0, 0.075)
  +box-shadow($shadow)
  .navbar-nav > .active > a
    background-color: $navbar-default-bg

.navbar-brand,
.navbar-nav > li > a
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.25)

// Inverted navbar
.navbar-inverse
  +gradient-vertical($start_color: lighten($navbar-inverse-bg, 10%), $end_color: $navbar-inverse-bg)
  .navbar-nav > .active > a
    background-color: $navbar-inverse-bg
  .navbar-brand,
  .navbar-nav > li > a
    text-shadow: 0 -1px 0 rgba(0, 0, 0, 0.25)

// Undo rounded corners in static and fixed navbars

.navbar-static-top,
.navbar-fixed-top,
.navbar-fixed-bottom
  border-radius: 0

//
// Alerts
// --------------------------------------------------

// Common styles
.alert
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2)
  $shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 1px 2px rgba(0, 0, 0, 0.05)
  +box-shadow($shadow)

// Mixin for generating new styles
=alert-styles($color)
  +gradient-vertical($start_color: $color, $end_color: darken($color, 7.5%))
  border-color: darken($color, 15%)

// Apply the mixin to the alerts
.alert-success
  +alert-styles($alert-success-bg)

.alert-info
  +alert-styles($alert-info-bg)

.alert-warning
  +alert-styles($alert-warning-bg)

.alert-danger
  +alert-styles($alert-danger-bg)

//
// Progress bars
// --------------------------------------------------

// Give the progress background some depth
.progress
  +gradient-vertical($start_color: darken($progress-bg, 4%), $end_color: $progress-bg)

// Mixin for generating new styles
=progress-bar-styles($color)
  +gradient-vertical($start_color: $color, $end_color: darken($color, 10%))

// Apply the mixin to the progress bars
.progress-bar
  +progress-bar-styles($progress-bar-bg)

.progress-bar-success
  +progress-bar-styles($progress-bar-success-bg)

.progress-bar-info
  +progress-bar-styles($progress-bar-info-bg)

.progress-bar-warning
  +progress-bar-styles($progress-bar-warning-bg)

.progress-bar-danger
  +progress-bar-styles($progress-bar-danger-bg)

//
// List groups
// --------------------------------------------------

.list-group
  border-radius: $border-radius-base
  +box-shadow(0 1px 2px rgba(0, 0, 0, 0.075))

.list-group-item.active,
.list-group-item.active:hover,
.list-group-item.active:focus
  text-shadow: 0 -1px 0 darken($list-group-active-bg, 10%)
  +gradient-vertical($start_color: $list-group-active-bg, $end_color: darken($list-group-active-bg, 7.5%))
  border-color: darken($list-group-active-border, 7.5%)

//
// Panels
// --------------------------------------------------

// Common styles
.panel
  +box-shadow(0 1px 2px rgba(0, 0, 0, 0.05))

// Mixin for generating new styles
=panel-heading-styles($color)
  +gradient-vertical($start_color: $color, $end_color: darken($color, 5%))

// Apply the mixin to the panel headings only
.panel-default > .panel-heading
  +panel-heading-styles($panel-default-heading-bg)

.panel-primary > .panel-heading
  +panel-heading-styles($panel-primary-heading-bg)

.panel-success > .panel-heading
  +panel-heading-styles($panel-success-heading-bg)

.panel-info > .panel-heading
  +panel-heading-styles($panel-info-heading-bg)

.panel-warning > .panel-heading
  +panel-heading-styles($panel-warning-heading-bg)

.panel-danger > .panel-heading
  +panel-heading-styles($panel-danger-heading-bg)

//
// Wells
// --------------------------------------------------

.well
  +gradient-vertical($start_color: darken($well-bg, 5%), $end_color: $well-bg)
  border-color: darken($well-bg, 10%)
  $shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 0 rgba(255, 255, 255, 0.1)
  +box-shadow($shadow)