//
// Base styles
//

.card
  position: relative
  display: flex
  flex-direction: column
  min-width: 0
  word-wrap: break-word
  background-color: $card-bg
  background-clip: border-box
  border: $card-border-width solid $card-border-color

  +border-radius($card-border-radius)

  > hr
    margin-right: 0
    margin-left: 0

  > .list-group:first-child
    .list-group-item:first-child
      +border-top-radius($card-border-radius)

  > .list-group:last-child
    .list-group-item:last-child
      +border-bottom-radius($card-border-radius)

.card-body
  // Enable `flex-grow: 1` for decks and groups so that card blocks take up
  // as much space as possible, ensuring footers are aligned to the bottom.
  flex: 1 1 auto
  padding: $card-spacer-x

.card-title
  margin-bottom: $card-spacer-y

.card-subtitle
  margin-top: -($card-spacer-y / 2)
  margin-bottom: 0

.card-text:last-child
  margin-bottom: 0

.card-link
  +hover
    text-decoration: none


  + .card-link
    margin-left: $card-spacer-x

//
// Optional textual caps
//

.card-header
  padding: $card-spacer-y $card-spacer-x
  margin-bottom: 0

  // Removes the default margin-bottom of <hN>
  background-color: $card-cap-bg
  border-bottom: $card-border-width solid $card-border-color

  &:first-child
    +border-radius($card-inner-border-radius $card-inner-border-radius 0 0)

  + .list-group
    .list-group-item:first-child
      border-top: 0

.card-footer
  padding: $card-spacer-y $card-spacer-x
  background-color: $card-cap-bg
  border-top: $card-border-width solid $card-border-color

  &:last-child
    +border-radius(0 0 $card-inner-border-radius $card-inner-border-radius)

//
// Header navs
//

.card-header-tabs
  margin-right: -($card-spacer-x / 2)
  margin-bottom: -$card-spacer-y
  margin-left: -($card-spacer-x / 2)
  border-bottom: 0

.card-header-pills
  margin-right: -($card-spacer-x / 2)
  margin-left: -($card-spacer-x / 2)

// Card image
.card-img-overlay
  position: absolute
  top: 0
  right: 0
  bottom: 0
  left: 0
  padding: $card-img-overlay-padding

.card-img
  width: 100%

  // Required because we use flexbox and this inherently applies align-self: stretch
  +border-radius($card-inner-border-radius)

// Card image caps
.card-img-top
  width: 100%

  // Required because we use flexbox and this inherently applies align-self: stretch
  +border-top-radius($card-inner-border-radius)

.card-img-bottom
  width: 100%

  // Required because we use flexbox and this inherently applies align-self: stretch
  +border-bottom-radius($card-inner-border-radius)

// Card deck

.card-deck
  display: flex
  flex-direction: column

  .card
    margin-bottom: $card-deck-margin

  +media-breakpoint-up(sm)
    flex-flow: row wrap
    margin-right: -$card-deck-margin
    margin-left: -$card-deck-margin

    .card
      display: flex

      // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
      flex: 1 0 0%
      flex-direction: column
      margin-right: $card-deck-margin
      margin-bottom: 0

      // Override the default
      margin-left: $card-deck-margin

//
// Card groups
//

.card-group
  display: flex
  flex-direction: column

  // The child selector allows nested `.card` within `.card-group`
  // to display properly.
  > .card
    margin-bottom: $card-group-margin

  +media-breakpoint-up(sm)
    flex-flow: row wrap

    // The child selector allows nested `.card` within `.card-group`
    // to display properly.
    > .card
      // Flexbugs #4: https://github.com/philipwalton/flexbugs#flexbug-4
      flex: 1 0 0%
      margin-bottom: 0

      + .card
        margin-left: 0
        border-left: 0

      // Handle rounded corners
      @if $enable-rounded
        &:first-child
          +border-right-radius(0)

          .card-img-top,
          .card-header
            border-top-right-radius: 0

          .card-img-bottom,
          .card-footer
            border-bottom-right-radius: 0

        &:last-child
          +border-left-radius(0)

          .card-img-top,
          .card-header
            border-top-left-radius: 0

          .card-img-bottom,
          .card-footer
            border-bottom-left-radius: 0

        &:only-child
          +border-radius($card-border-radius)

          .card-img-top,
          .card-header
            +border-top-radius($card-border-radius)

          .card-img-bottom,
          .card-footer
            +border-bottom-radius($card-border-radius)

        &:not(:first-child):not(:last-child):not(:only-child)
          +border-radius(0)

          .card-img-top,
          .card-img-bottom,
          .card-header,
          .card-footer
            +border-radius(0)

//
// Columns
//

.card-columns
  .card
    margin-bottom: $card-columns-margin

  +media-breakpoint-up(sm)
    column-count: $card-columns-count
    column-gap: $card-columns-gap
    orphans: 1
    widows: 1

    .card
      display: inline-block

      // Don't let them vertically span multiple columns
      width: 100%

      // Don't let their width change

//
// Accordion
//

.accordion
  .card:not(:first-of-type):not(:last-of-type)
    border-bottom: 0
    border-radius: 0

  .card:not(:first-of-type)
    .card-header:first-child
      border-radius: 0

  .card:first-of-type
    border-bottom: 0
    border-bottom-right-radius: 0
    border-bottom-left-radius: 0

  .card:last-of-type
    border-top-left-radius: 0
    border-top-right-radius: 0