
@mixin border-box() {
  background-clip: border-box;
}

@mixin opacity($opacity) {
  opacity: $opacity;
  $opacity-ie: ($opacity * 100);
  filter: alpha(opacity=#{$opacity-ie});
}

@mixin unstyled-list() {
  margin: 0;
  padding: 0;
  list-style: none;
}

@mixin select-container($padding) {
  padding-right: $padding;

  > .rw-select {
    width: $padding;
  }

  &.rw-rtl {
    padding-right: 0;
    padding-left: $padding;
  }
}


@mixin border-bottom-radius($radius) {
  border-bottom-right-radius: $radius;
   border-bottom-left-radius: $radius;
}

@mixin border-top-radius($radius) {
  border-top-right-radius: $radius;
   border-top-left-radius: $radius;
}

@mixin state-hover($bg: $state-bg-hover, $border-color: $state-border-hover, $color: $state-color-hover) {
  background-color: $bg;
  border-color:           $border-color;
  color:            $color;
}

@mixin state-select($bg: $state-bg-select, $border-color: $state-border-select, $color: $state-color-select) {
  &,
  &:hover {
    background-color: $bg;
    border-color:     $border-color;
    color:            $color;
  }
}

@mixin state-focus($bg: $state-bg-focus, $border-color: $state-border-focus, $color: $state-color-focus) {
  &,
  &:hover {
    background-color: $bg;
    border-color:     $border-color;
    color:            $color;
  }
}

@mixin state-disabled() {
  box-shadow: none;
  cursor: not-allowed;
}


@mixin disabled-color($color) {
  color: tint-color($color, 40%);
  filter: alpha(opacity=7);
  opacity: .7;
}

@mixin clearfix() {
  &:before,
  &:after {
    content: " ";
    display: table;
  }
  &:after {
    clear: both;
  }
}

@mixin placeholder($color: $input-color-placeholder) {
  // Firefox
  &::-moz-placeholder {
    color: $color;
    opacity: 1; // See https://github.com/twbs/bootstrap/pull/11526
  }
  &:-ms-input-placeholder { color: $color; } // Internet Explorer 10+
  &::-webkit-input-placeholder  { color: $color; } // Safari and Chrome
}

@mixin height-calc($total, $minus) {
  height: calc(#{$total} - #{$minus});

  /** ie8 fallback **/
  margin-top: -#{$minus}\9;
  height: #{$total}\9;
  /** --- **/
}

@mixin make-btn-state($hover-color: $btn-bg-hover, $active-shadow: $btn-active-box-shadow) {
  cursor: pointer;

  &:hover,
  &:active {
    background-color: $btn-bg-hover;

    .rw-i {
      color: $primary;
    }
  }

  &:active {
    box-shadow: $btn-active-box-shadow;
  }

  .rw-state-disabled &,
  .rw-state-readonly &,
  fieldset[disabled] & {
    &,
    &:hover,
    &:active {
      cursor: not-allowed;
      background-color: inherit;
      background-image: none;
      box-shadow: none;


      .rw-i {
        color: inherit;
      }
    }
  }
}
