/**
 * @atom Loading
 * @section Loading
 * @modifiers
 *  .loading-sm 小loading,按钮中使用
 *  .loading-lg 大loading,组件加载使用
 *  .loading-bar 条形Loading，模块加载使用
 *  .loading-logo TIP logo loading
 *  .bar loading里的小矩形
 * @markup
 *  <div class="loading-lg">
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *  </div>
 *  <div class="loading-sm">
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *    <div class="bar"></div>
 *  </div>
 *  <div class="loading-logo">TIP</div>
 *  <br />
 *  <br />
 *  <div class="loading-bar">
 *    <div class="loading-bar-background"></div>
 *    <div class="loading-bar-foreground"></div>
 *  </div>
 */

@import "../../../styles/assets/constant.scss";

$blue: $basic-aid-color;
$blue-light: $basic-aid-blue-color;

.loading {
  display: inline-block;
  position: relative;
  background-color: transparent;
}
.loading-wrapper {
  margin: 10px auto;
  font-size: 0;
}
.loading-wrapper-vertical {
  text-align: center;
  width: 100px;
}
.loading-wrapper-vertical .loading-txt {
  margin-top: 8px;
}
.loading-wrapper-horizontal {
  display: inline-flex;
  align-items: center;
  text-align: left;
  margin: 0 auto;
}
.loading-wrapper-horizontal .loading-txt {
  margin-left: 8px;
}
.loading-lg {
  @extend .loading;
  font-size: 48px;
  // .bar-1, .bar-2, .bar-3, .bar-4, .bar-5, .bar-6, .bar-7, .bar-8, .bar-9, .bar-10, .bar-11, .bar-12 {
  // animation-name: spin_lg;
  // }
}
.loading-txt {
  margin: 0 auto;
  font-size: 12px;
  color: #3a7eea;
}
.loading-md {
  @extend .loading;
  font-size: 28px;
}
.loading-sm {
  @extend .loading;
  font-size: 16px;
  // .bar-1, .bar-2, .bar-3, .bar-4, .bar-5, .bar-6, .bar-7, .bar-8, .bar-9, .bar-10, .bar-11, .bar-12 {
  // animation-name: spin_sm;
  // }
}

.loading-bar {
  height: 4px;
  width: 100%;
  position: relative;
  overflow: hidden;
  .loading-bar-background {
    position: absolute;
    background-color: #c9e2ff;
    width: 100%;
    height: 100%;
  }
  .loading-bar-foreground {
    position: absolute;
    top: 0;
    right: -100%;
    background-color: $basic-aid-color;
    width: 20%;
    height: 100%;
    animation: loading-bar 1s ease-in-out 0s infinite;
  }
}

.loading-box {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: auto;
  height: 70px;
  color: $primaryBlueColor;
  font-size: 16px;
  background-color: #fff;
  padding: 0 20px;
  border-radius: 2px;

  .loading-box-icon {
    margin-right: 8px;
    transform-origin: center left;
  }
}
.loading-circle {
  text-align: left;
  margin: 0 auto;
  width: 1em;
  height: 1em;
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.1em #e2e3e3;
}

.loading-circle i {
  position: absolute;
  clip: rect(0, 1em, 1em, 0.5em);
  width: 1em;
  height: 1em;
  animation: spinner-circle-clipper 1s ease-in-out infinite;
}

@keyframes spinner-circle-clipper {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(180deg);
  }
}

.loading-circle i::after {
  position: absolute;
  clip: rect(0, 1em, 1em, 0.5em);
  width: 1em;
  height: 1em;
  content: "";
  animation: spinner-circle 1s ease-in-out infinite;
  border-radius: 50%;
  box-shadow: inset 0 0 0 0.1em #3a7eea;
}

@keyframes spinner-circle {
  0% {
    transform: rotate(-170deg);
  }

  100% {
    transform: rotate(170deg);
  }
}

@keyframes spin_lg {
  0% {
    background-color: $blue-light;
  }
  5% {
    background-color: #fff;
  }
  100% {
    background-color: $blue-light;
  }
}
@keyframes spin_sm {
  // 0% {
  //     background-color: $basic-aid-gray-color;
  // }
  // 5% {
  //     background-color: $basic-imp-color;
  // }
  // 100% {
  //     background-color: $basic-aid-gray-color;
  // }
  0% {
    background-color: $blue-light;
  }
  5% {
    background-color: #fff;
  }
  100% {
    background-color: $blue-light;
  }
}

@keyframes loading-bar {
  from {
    right: 100%;
  }
  to {
    right: -20%;
  }
}