mixin drawer(pos, text)
  .chest-drawer(class=`chest-drawer--${pos}`)
    details
      summary
    .chest-drawer__structure
      .chest-drawer__panel.chest-drawer__panel--left
      .chest-drawer__panel.chest-drawer__panel--right
      .chest-drawer__panel.chest-drawer__panel--bottom
      .chest-drawer__panel.chest-drawer__panel--back= text

.chest
  .chest__panel.chest__panel--back
  .chest__panel.chest__panel--front
    .chest__panel.chest__panel--front-frame
  .chest__panel.chest__panel--top
  .chest__panel.chest__panel--bottom
  .chest__panel.chest__panel--left
  .chest__panel.chest__panel--right
  +drawer('top', 'CSS')
  +drawer('middle', 'is')
  +drawer('bottom', 'Awesome')

*
  box-sizing border-box

body
  align-items center
  background-color #f9bf3b
  display flex
  justify-content center
  min-height 100vh


$bottomAllowance = 30px
$drawerMargin = 10px
$border = 4px
$color = rgb(50, 50, 50)
$innerColor = #fff

:root
  --height 300
  --width 200
  --depth 150
  --drawerSize "calc((var(--height) / 3) - %s)" % (unit($drawerMargin, ''))
  --drawerHole "calc((var(--height) - ((%s * 4) + (%s + %s))) / 3)" % (unit($drawerMargin, '') unit($drawerMargin, '') unit($bottomAllowance, ''))

.chest
  height calc(var(--height) * 1px)
  transform rotateX(-30deg) rotateY(40deg)
  transform-style preserve-3d
  width calc(var(--width) * 1px)

  &__panel
    height 100%
    position absolute
    transform-style preserve-3d
    width 100%

    &:after
      content ''
      display block
      height 100%
      width 100%

    &--front
      transform translate3d(0, 0, calc(var(--depth) / 2 * 1px))
      &:after
        background lighten($color, 20%)
        content ''
        height 4px
        position absolute
        top -2px
        width 100%
    
    &--front-frame      
      border $drawerMargin solid lighten($color, 20%)
      border-bottom-width $bottomAllowance
      border-top-width $drawerMargin
      transform translate3d(0, 0, 0)

      &:before
        background lighten($color, 20%)
        content ''
        height $drawerMargin * 2
        left 0
        position absolute
        top calc(var(--drawerHole) * 1px)
        width 100%

      &:after
        background lighten($color, 20%)
        content ''
        height $drawerMargin * 2
        left 0
        position absolute
        top "calc(var(--drawerHole) * 2px + %s)" % ($drawerMargin * 2)
        width 100%

    &--back
      background lighten($color, 20%)
      transform translate3d(0, 0, calc(var(--depth) / 2 * -1px))
      &:after
        background black
        transform translate3d(0, 0, 1px)

    &--top
      background lighten($color, 10%)
      bottom 100%
      height calc(var(--depth) * 1px)
      left 0
      transform rotateX(90deg) translate3d(0, 50%, 1px)
      transform-origin bottom
      transform-style preserve-3d

      &:after
        background lighten(black, 10%)
        transform translate3d(0, 0, -1px)

    &--bottom
      background lighten($color, 10%)
      height calc(var(--depth) * 1px)
      left 0
      top 100%
      transform translateY(-50%) rotateX(90deg)
      
      &:after
        background lighten(black, 5%)
        transform translate3d(0, 0, 1px)

    &--right
      background $color
      right 0
      transform translate3d(0, 0, calc(var(--depth) / 2 * 1px)) rotateY(-90deg)
      transform-origin right center
      width calc(var(--depth) * 1px)

      &:after
        background lighten(black, 10%)
        transform translate3d(0, 0, 1px)

    &--left
      width calc(var(--depth) * 1px)
      left 0
      background $color
      transform-origin left center
      transform translate3d(0, -1px, calc(var(--depth) / 2 * 1px)) rotateY(90deg)

      &:after
        background lighten(black, 10%)
        transform translate3d(0, 0, 1px)


.chest-drawer
  height calc(var(--drawerSize) * 1px)
  left 0
  position absolute
  top 0
  transition transform .25s
  transform-style preserve-3d
  width 100%

  &--top
  &--middle
  &--bottom
    transform translate3d(0, 0, calc(var(--depth) * 0.51px))

  &--top
    top ($drawerMargin / 2)
    z-index 3

  &--middle
    top "calc((var(--drawerSize) + %s) * 1px)" % (unit($drawerMargin, ''))
    z-index 2

  &--bottom
    top "calc((var(--drawerSize) * 2 + %s) * 1px)" % (unit($drawerMargin, '') * 1.5)
    z-index 1

  details
  summary
    background darken($color, 5%)
    cursor pointer
    height 100%
    left 0
    list-style none
    position absolute
    outline 0
    top 0
    transition transform .25s
    transform translate3d(0, 0, 0)
    width 100%

    &:after
      background lighten($color, 60%)
      content ''
      height 5%
      left 50%
      position absolute
      top 10%
      transform translate(-50%, 0)
      width 40%

    &::-webkit-details-marker
      display none
  
  details
    &:hover
      &:not([open])
        transform translate3d(0, 0, calc(var(--depth) * 0.05px))

    &[open]
    &[open] ~ .chest-drawer__structure
      transform translate3d(0, 0, calc(var(--depth) * 0.9px))

  &__panel
    height 100%
    position absolute
    transform-style preserve-3d
    width 100%

    &--left
      background darken($innerColor, 10%)
      bottom 0
      height calc(var(--drawerHole) * 0.65px)
      left 10px
      transform translate3d(0, -16px, -2px) rotateY(90deg)
      transform-origin left
      width calc(var(--depth) * 1px)
    
    &--right
      background darken($innerColor, 10%)
      bottom 0
      height calc(var(--drawerHole) * 0.65px)
      right 10px
      transform translate3d(0, -16px, -2px) rotateY(-90deg)
      transform-origin right
      width calc((var(--depth) - 3) * 1px)

    &--bottom
      background $innerColor
      bottom 18px
      height calc(var(--depth) * 1px)
      left $drawerMargin
      transform rotateX(90deg) translate3d(0, -2px, 0)
      transform-origin bottom center
      width "calc(100% - (2px * %s))" % unit($drawerMargin, '')

    &--back
      align-items center
      background darken($innerColor, 15%)
      bottom 16px
      display flex
      font-family 'Arial', sans-serif
      font-size calc(var(--drawerHole) * 0.35px)
      font-weight bold
      height calc(var(--drawerHole) * 0.65px)
      justify-content center
      left $drawerMargin
      transform translate3d(0, 0, calc((var(--depth) - 2) * -1px))
      width "calc(100% - (2px * %s))" % unit($drawerMargin, '')

  &__structure
    height 100%
    left 0
    position absolute
    top 0
    transform-style preserve-3d
    transition transform .25s
    width 100%


.chest-drawer--top .chest-drawer__panel--back
  color #111

.chest-drawer--middle .chest-drawer__panel--back
  color #111

.chest-drawer--bottom .chest-drawer__panel--back
  color #111

// NOT FOUND