/*~
  name: Progress Bar
  category: Progress Bar
  elements: ons-progress-bar
  markup: |
    <div class="progress-bar">
      <div class="progress-bar__primary" style="width: 30%"></div>
    </div>
    <br />
    <div class="progress-bar">
      <div class="progress-bar__primary" style="width:20%"></div>
      <div class="progress-bar__secondary" style="width:76%"></div>
    </div>
    <br />
    <div class="progress-bar progress-bar--indeterminate">
    </div>
*/

.progress-bar {
  position: relative;
  height: 2px;
  display: block;
  width: 100%;
  background-color: var(--progress-bar-background-color);
  background-clip: padding-box;
  margin: 0;
  overflow: hidden;
  border-radius: 4px;
}

.progress-bar__primary,
.progress-bar__secondary {
  position: absolute;
  background-color: var(--progress-bar-color);
  top: 0;
  bottom: 0;
  transition: width .3s linear;
  z-index: 100;
  border-radius: 4px;
}

.progress-bar__secondary {
  background-color: var(--progress-bar-secondary-color);
  z-index: 0;
}

.progress-bar--indeterminate:before {
  content: '';
  position: absolute;
  background-color: var(--progress-bar-color);
  top: 0;
  left: 0;
  bottom: 0;
  will-change: left, right;
  animation: progress-bar__indeterminate 2.1s cubic-bezier(0.65, 0.815, 0.735, 0.395) infinite;
  border-radius: 4px;
}

.progress-bar--indeterminate:after {
  content: '';
  position: absolute;
  background-color: var(--progress-bar-color);
  top: 0;
  left: 0;
  bottom: 0;
  will-change: left, right;
  animation: progress-bar__indeterminate-short 2.1s cubic-bezier(0.165, 0.84, 0.44, 1) infinite;
  animation-delay: 1.15s;
  border-radius: 4px;
}

@keyframes progress-bar__indeterminate {
  0% {
    left: -35%;
    right: 100%;
  }

  60% {
    left: 100%;
    right: -90%;
  }

  100% {
    left: 100%;
    right: -90%;
  }
}

@keyframes progress-bar__indeterminate-short {
  0% {
    left: -200%;
    right: 100%;
  }

  60% {
    left: 107%;
    right: -8%;
  }

  100% {
    left: 107%;
    right: -8%;
  }
}

/*~
  name: Material Progress Bar
  category: Progress Bar
  elements: ons-progress-bar
  markup: |
    <div class="progress-bar progress-bar--material">
      <div class="progress-bar__primary progress-bar--material__primary" style="width: 30%"></div>
    </div>
    <br />
    <div class="progress-bar progress-bar--material">
      <div class="progress-bar__primary progress-bar--material__primary" style="width:20%"></div>
      <div class="progress-bar__secondary progress-bar--material__secondary" style="width:76%"></div>
    </div>
    <br />
    <div class="progress-bar progress-bar--material progress-bar--indeterminate">
    </div>
*/

.progress-bar--material {
  height: 4px;
  background-color: var(--material-progress-bar-background-color);
  border-radius: 0;
}

.progress-bar--material__primary,
.progress-bar--material__secondary {
  background-color: var(--material-progress-bar-primary-color);
  border-radius: 0;
}

.progress-bar--material__secondary {
  background-color: var(--material-progress-bar-secondary-color);
  z-index: 0;
}

.progress-bar--material.progress-bar--indeterminate:before { /* FIXME */
  background-color: var(--material-progress-bar-primary-color);
  border-radius: 0;
}

.progress-bar--material.progress-bar--indeterminate:after { /* FIXME */
  background-color: var(--material-progress-bar-primary-color);
  border-radius: 0;
}