/*
 * # Semantic - Loader
 * http://github.com/semantic-org/semantic-ui/
 *
 *
 * Copyright 2014 Contributor
 * Released under the MIT license
 * http://opensource.org/licenses/MIT
 *
 */

/*******************************
            Theme
*******************************/

@type    : 'element';
@element : 'loader';

@import '../../semantic.config';


/*******************************
            Loader
*******************************/


/* Standard Size */
.ui.loader {
  display: none;
  position: absolute;
  top: @loaderTopOffset;
  left: @loaderLeftOffset;
  margin: 0px;
  text-align: center;
  z-index: 1000;
  transform: translateX(-50%) translateY(-50%);
}

.ui.dimmer .loader {
  display: block;
}

.ui.dimmer .ui.loader,
.ui.inverted.loader {
  color: @loaderTextColor
}

/*******************************
             Types
*******************************/

/*--------------
      CSS
---------------*/

/* Flipping */
.ui.flipping.loader {
  width: auto;
  height: auto;
  background-image: none !important;
}
.ui.flipping.loader .shape {
  position: relative;
  margin: 0em auto 1em;
  color: transparent;
  box-shadow: 0px 0px 0px 1px;
  animation: loaderFlipping 1s infinite ease;
  margin-bottom: 1em;
  transform-style: preserve-3d;
}
.ui.flipping.loader .shape:before,
.ui.flipping.loader .shape:after {
  position: absolute;
  content: '';
  top: 0px;
  left: 0px;
  box-shadow: 0px 0px 0px 1px;
  backface-visibility: hidden;
}
.ui.flipping.loader .shape:before {
  background-color: @primaryColor;
  transform: rotateY(0deg);
  z-index: 2;
}
.ui.flipping.loader .shape:after {
  background-color: @secondaryColor;
  transform: rotateY(180deg);
}

/* Circular */
.ui.flipping.circular.loader .shape,
.ui.flipping.circular.loader .shape:before,
.ui.flipping.circular.loader .shape:after {
  border-radius: @circularRadius;
}

/* Sizes */
.ui.mini.flipping.loader .shape,
.ui.mini.flipping.loader .shape:before,
.ui.mini.flipping.loader .shape:after {
  width: @miniSize;
  height: @miniSize;
}
.ui.flipping.loader .shape,
.ui.flipping.loader .shape:before,
.ui.flipping.loader .shape:after {
  width: @mediumSize;
  height: @mediumSize;
}


@keyframes loaderFlipping {
  0% {
    transform: perspective(6em) rotateX(0deg) rotateY(0deg);
  }
  50% {
    transform: perspective(6em) rotateX(0deg) rotateY(-180deg);
  }
  100% {
    transform: perspective(6em) rotateX(0deg) rotateY(-360deg);
  }
}


/*-------------------
        Text
--------------------*/

.ui.text.loader {
  width: auto !important;
  height: auto !important;
  text-align: center;
  font-style: normal;
}

.ui.mini.text.loader {
  min-width: @miniSize;
  padding-top: (@miniSize + @textDistance);
}
.ui.small.text.loader {
  min-width: @smallSize;
  padding-top: (@smallSize + @textDistance);
}
.ui.text.loader {
  min-width: @mediumSize;
  padding-top: (@mediumSize + @textDistance);
}
.ui.large.text.loader {
  min-width: @largeSize;
  padding-top: (@largeSize + @textDistance);
}

/*******************************
            States
*******************************/

.ui.loader.active,
.ui.loader.visible {
  display: block;
}
.ui.loader.disabled,
.ui.loader.hidden {
  display: none;
}

/*******************************
            Variations
*******************************/


/*-------------------
        Sizes
--------------------*/

/* Tiny Size */
.ui.inverted.dimmer .ui.mini.loader,
.ui.mini.loader {
  width: @miniSize;
  height: @miniSize;
  font-size: @miniFontSize;
  background-image: url(@miniLoaderPath);
}

/* Small Size */
.ui.inverted.dimmer .ui.small.loader,
.ui.small.loader {
  width: @smallSize;
  height: @smallSize;
  font-size: @smallFontSize;
  background-image: url(@smallLoaderPath);
}

.ui.inverted.dimmer .ui.loader,
.ui.loader {
  width: @mediumSize;
  height: @mediumSize;
  font-size: @mediumFontSize;
  background: url(@mediumLoaderPath) no-repeat;
  background-position: 50% 0px;
}

/* Large Size */
.ui.inverted.dimmer .ui.loader.large,
.ui.loader.large {
  width: @largeSize;
  height: @largeSize;
  font-size: @largeFontSize;
  background-image: url(@largeLoaderPath);
}


/*-------------------
       Inverted
--------------------*/

.ui.inverted.dimmer .ui.loader {
  color: @invertedLoaderTextColor;
}

/* Tiny Size */
.ui.dimmer .mini.ui.loader,
.ui.inverted .mini.ui.loader {
  background-image: url(@miniInvertedLoaderPath);
}

/* Small Size */
.ui.dimmer .small.ui.loader,
.ui.inverted .small.ui.loader {
  background-image: url(@smallInvertedLoaderPath);
}

/* Standard Size */
.ui.dimmer .ui.loader,
.ui.inverted.loader  {
  background-image: url(@mediumInvertedLoaderPath);
}

/* Large Size */
.ui.dimmer .large.ui.loader,
.ui.inverted .large.ui.loader {
  background-image: url(@largeInvertedLoaderPath);
}

/*-------------------
       Inline
--------------------*/

.ui.inline.loader {
  position: static;
  vertical-align: middle;
  margin: 0em;
  transform: none;
}

.ui.inline.loader.active,
.ui.inline.loader.visible {
  display: inline-block;
}

.loadUIOverrides();