@import _variables

helv()
  font-family: "Helvetica Neue", Arial, Helvetica, sans-serif

shadow($color, $x, $y, $blur)
  -webkit-box-shadow: $color $x $y $blur
  -moz-box-shadow: $color $x $y $blur
  box-shadow: $color $x $y $blur

innerShadow($color, $x, $y, $blur)
  -moz-box-shadow: inset $color $x $y $blur
  -webkit-box-shadow: inset $color $x $y $blur
  box-shadow: inset $color $x $y $blur

gradient($top, $bottom)
  background: $top
  background-image: -moz-linear-gradient(top, $top, $bottom)
  background-image: -webkit-gradient(linear,left top,left bottom,color-stop(0, $top),color-stop(1, $bottom))

radial($inner, $outer)
  background: $inner
  background-image: -webkit-radial-gradient(center center, circle cover, $inner, $outer)
  background-image: -moz-radial-gradient(center center, circle cover, $inner, $outer)
  background-image: -ms-radial-gradient(center center, circle cover, $inner, $outer)
  background-image: -o-radial-gradient(center center, circle cover, $inner, $outer)
  background-image: radial-gradient(center center, circle cover, $inner, $outer)

roundall($round)
  -moz-border-radius: $round
  -webkit-border-radius: $round
  -khtml-border-radius: $round
  -o-border-radius: $round
  -border-radius: $round
  border-radius: $round

round($roundtl, $roundtr, $roundbr, $roundbl)
  -webkit-border-top-left-radius: $roundtl
  -webkit-border-top-right-radius: $roundtr
  -webkit-border-bottom-left-radius: $roundbl
  -webkit-border-bottom-right-radius: $roundbr
  -moz-border-radius-topleft: $roundtl
  -moz-border-radius-topright: $roundtr
  -moz-border-radius-bottomleft: $roundbl
  -moz-border-radius-bottomright: $roundbr
  -border-top-left-radius: $roundtl
  -border-top-right-radius: $roundtr
  -border-bottom-left-radius: $roundbl
  -border-bottom-right-radius: $roundbr
  border-top-left-radius: $roundtl
  border-top-right-radius: $roundtr
  border-bottom-left-radius: $roundbl
  border-bottom-right-radius: $roundbr

textShadow($color, $x, $y, $blur)
  text-shadow: $color $x $y $blur

calc()
  if current-property
    add-property(current-property[0], s('-webkit-calc(%s)', unquote(arguments)))
    add-property(current-property[0], s('-moz-calc(%s)', unquote(arguments)))
    add-property(current-property[0], s('-ms-calc(%s)', unquote(arguments)))
    add-property(current-property[0], s('-o-calc(%s)', unquote(arguments)))
    s('calc(%s)', unquote(arguments))
  else
    error('calc() must be used within a property')

noselect()
  -webkit-touch-callout: none
  -webkit-user-select: none
  -khtml-user-select: none
  -moz-user-select: none
  -ms-user-select: none
  user-select: none

turn($deg)
  -moz-transform: rotate($deg)
  -webkit-transform: rotate($deg)
  -o-transform: rotate($deg)
  transform: rotate($deg)

transform($param)
  -webkit-transform: $param
  -moz-transform: $param
  -ms-transform: $param
  transform: $param

transition($attr, $dur, $timing, $delay)
  -webkit-transition: $attr $dur $timing $delay
  -o-transition: $attr $dur $timing $delay
  transition: $attr $dur $timing $delay
  -moz-transition: $attr $dur $timing $delay

flip-horizontal()
  -moz-transform: scaleX(-1)
  -webkit-transform: scaleX(-1)
  -o-transform: scaleX(-1)
  transform: scaleX(-1)
  -ms-filter: fliph
  filter: fliph

flip-vertical()
  -moz-transform: scaleY(-1)
  -webkit-transform: scaleY(-1)
  -o-transform: scaleY(-1)
  transform: scaleY(-1)
  -ms-filter: flipv
  filter: flipv

colorDot($color)
  display: block
  height: 10px
  width: 10px
  gradient: $color + #777 $color + #000
  border-radius: 25px
  border-bottom: 1px solid rgba(0,0,0,1)
  border-top: 1px solid rgba(255,255,255,.9)

imagesprite($width, $height, $sx, $x, $y)
  background-repeat: none
  width: ($width)px
  height: ($height)px
  background-image: url("/images/sprite.png")
  background-position: ($sx * $x * -1)px ($sx * $y * -1)px

borderbox()
  -moz-box-sizing: border-box
  -webkit-box-sizing: border-box
  box-sizing: border-box

// avatars
avatarLG()
  width: 50px
  height: 50px
  roundall: 3px

avatarMD()
  width: 30px
  height: 30px
  roundall: 3px

avatarSM()
  width: 20px
  height: 20px
  roundall: 3px

avatarOverlay()
  content: ""
  height: 100%
  width: 100%
  position: absolute
  top: 0
  left: 0
  display: block
  z-index: 70
  background: -moz-linear-gradient(top, rgba(255,255,255,.1) 0%, rgba(247,247,247,.1) 10%, rgba(247,247,247,.1) 94%, rgba(229,229,229,.1) 100%)
  background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,rgba(255,255,255,.1)), color-stop(10%,rgba(247,247,247,.1)), color-stop(94%,rgba(247,247,247,.1)), color-stop(100%,rgba(229,229,229,.1)))
  background: -webkit-linear-gradient(top, rgba(255,255,255,.1) 0%,rgba(247,247,247,.1) 10%,rgba(247,247,247,.1) 94%,rgba(229,229,229,.1) 100%)
  background: linear-gradient(top, rgba(255,255,255,.1) 0%,rgba(247,247,247,.1) 10%,rgba(247,247,247,.1) 94%,rgba(229,229,229,.1) 100%)

// this if for the content flash and hardware acceleration bugs in webkit
webkit-transition-fix()
  -webkit-backface-visibility: hidden
  //-webkit-transform: translateZ(0)