// @doc off
// These defaults make the arguments optional for this mixin
// If you like, set different defaults before importing.
// @doc on

@import "shared";

// The default color for box shadows
$default-box-shadow-color: #333333 !default;

// The default horizontal offset. Positive is to the right.
$default-box-shadow-h-offset: 0px !default;

// The default vertical offset. Positive is down.
$default-box-shadow-v-offset: 0px !default;

// The default blur length.
$default-box-shadow-blur: 5px !default;

// The default spread length.
$default-box-shadow-spread: false !default;

// The default shadow inset: inset or false (for standard shadow).
$default-box-shadow-inset: false !default;

// Provides cross-browser for Webkit, Gecko, and CSS3 box shadows when one or more box
// shadows are needed.
// Each shadow argument should adhere to the standard css3 syntax for the
// box-shadow property.
@mixin box-shadow($shadow-1: default,
$shadow-2: false,
$shadow-3: false,
$shadow-4: false,
$shadow-5: false,
$shadow-6: false,
$shadow-7: false,
$shadow-8: false,
$shadow-9: false,
$shadow-10: false) {
  @if $shadow-1 == default {
    $shadow-1: -compass-space-list(compact(if($default-box-shadow-inset, inset, false), $default-box-shadow-h-offset, $default-box-shadow-v-offset, $default-box-shadow-blur, $default-box-shadow-spread, $default-box-shadow-color));
  }
  $shadow: compact($shadow-1, $shadow-2, $shadow-3, $shadow-4, $shadow-5, $shadow-6, $shadow-7, $shadow-8, $shadow-9, $shadow-10);
  @include experimental(box-shadow, $shadow, -moz, -webkit, not -o, not -ms, not -khtml, official);
}

// Provides a single cross-browser CSS box shadow for Webkit, Gecko, and CSS3.
// Includes default arguments for color, horizontal offset, vertical offset, blur length, spread length, and inset.
@mixin single-box-shadow($color: $default-box-shadow-color,
$hoff: $default-box-shadow-h-offset,
$voff: $default-box-shadow-v-offset,
$blur: $default-box-shadow-blur,
$spread: $default-box-shadow-spread,
$inset: $default-box-shadow-inset) {
  @if not ($inset == true or $inset == false or $inset == inset) {
    @warn "$inset expected to be true or the inset keyword. Got #{$inset} instead. Using: inset";
  }

  @if $color == none {
    @include box-shadow(none);
  } @else {
    $full: $hoff $voff;
    @if $blur {
      $full: $full $blur;
    }
    @if $spread {
      $full: $full $spread;
    }
    @if $color {
      $full: $full $color;
    }
    @if $inset {
      $full: inset $full;
    }
    @include box-shadow($full);
  }
}