//  Licensed under the Apache License, Version 2.0 (the "License"); you may not
//  use this file except in compliance with the License. You may obtain a copy of
//  the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
//  License for the specific language governing permissions and limitations under
//  the License.

.keyframes (@name, @fromRules, @toRules) {
    @-webkit-keyframes ~'@{name}' { 0% { @fromRules(); } 100% { @toRules(); } }
       @-moz-keyframes ~'@{name}' { 0% { @fromRules(); } 100% { @toRules(); } }
            @keyframes ~'@{name}' { 0% { @fromRules(); } 100% { @toRules(); } }
}

.animation(@options) {
  -webkit-animation: @options;
  -moz-animation: @options;
  animation: @options;
}

.fade {
  transition: opacity .25s ease-in-out;
  -moz-transition: opacity .25s ease-in-out;
  -webkit-transition: opacity .25s ease-in-out;
}

.fadeIn {
  opacity: 1;
}

.fadeOut {
  opacity: 0;
}

@-webkit-keyframes errorBlinkBG {
  from { background: @red; }
  to { background: white; }
}
@keyframes errorBlinkBG {
  from { background: @red; }
  to { background: white; }
}

/* a generic slide-up/down effect that looks smooth for items with unknown heights */
.keyframes(slideDown, {
  opacity: 0;
  max-height: 0;
},
{
  opacity: 1;
  max-height: 1000px;
});

.keyframes(slideUp, {
  max-height: 1000px;
  opacity: 1;
},
{
  max-height: 0;
  opacity: 0;
});

.highlight {
  -webkit-animation: highlight-element 2.5s 1;
  -moz-animation: highlight-element 2.5s 1;
}

@-webkit-keyframes highlight-element {
  0% { background-color: @highlightEffectColor; }
  100% { background-color: #f1f1f1; }
}
@-moz-keyframes highlight-element {
  0% { background-color: @highlightEffectColor; }
  100% { background-color: #f1f1f1; }
}