//
// Progress bars
// --------------------------------------------------


//
// Progress animations
//

@-webkit-keyframes progress-bar-stripes {
  from  { background-position: @line-height-computed 0; }
  to    { background-position: 0 0; }
}

@keyframes progress-bar-stripes {
  from  { background-position: @line-height-computed 0; }
  to    { background-position: 0 0; }
}


//
// Basic progress bar
//

.progress {
  display: block;
  width: 100%;
  height: @line-height-computed;
  margin-bottom: @line-height-computed;
}
.progress[value] {
  // Reset the default appearance
  appearance: none;
  // Remove Firefox and Opera border
  border: 0;
  // IE10 uses `color` to set the bar background-color
  color: #0074d9;
}
.progress[value]::-webkit-progress-bar {
  background-color: #eee;
  .border-radius(@border-radius-base);
  .box-shadow(inset 0 .1rem .1rem rgba(0,0,0,.1));
}
.progress[value]::-webkit-progress-value::before {
  content: attr(value);
}
.progress[value]::-webkit-progress-value {
  background-color: #0074d9;
  border-top-left-radius: @border-radius-base;
  border-bottom-left-radius: @border-radius-base;
}
.progress[value="0"]::-webkit-progress-value {
  color: @gray-light;
  min-width: 2rem;
  background-color: transparent;
  background-image: none;
}
.progress[value="100"]::-webkit-progress-value {
  border-top-right-radius: @border-radius-base;
  border-bottom-right-radius: @border-radius-base;
}

// Firefox styles must be entirely separate or it busts Webkit styles.
@-moz-document url-prefix() {
  .progress[value] {
    background-color: #eee;
    .border-radius(@border-radius-base);
    .box-shadow(inset 0 .1rem .1rem rgba(0,0,0,.1));
  }
  .progress[value]::-moz-progress-bar {
    background-color: #0074d9;
    border-top-left-radius: @border-radius-base;
    border-bottom-left-radius: @border-radius-base;
  }
  .progress[value="0"]::-moz-progress-bar {
    color: @gray-light;
    min-width: 2rem;
    background-color: transparent;
    background-image: none;
  }
  .progress[value="100"]::-moz-progress-bar {
    border-top-right-radius: @border-radius-base;
    border-bottom-right-radius: @border-radius-base;
  }
}

// IE9 hacks to accompany custom markup. We don't need to scope this via media queries, but I feel better doing it anyway.
@media screen and (~"min-width:0\0") {
  .progress {
    background-color: #eee;
    .border-radius(@border-radius-base);
    .box-shadow(inset 0 .1rem .1rem rgba(0,0,0,.1));
  }
  .progress-bar {
    display: inline-block;
    height: @line-height-computed;
    text-indent: -999rem; // Simulate hiding of value as in native `<progress>`
    background-color: #0074d9;
    border-top-left-radius: @border-radius-base;
    border-bottom-left-radius: @border-radius-base;
  }
  .progress[width^="0"] {
    color: @gray-light;
    min-width: 2rem;
    background-color: transparent;
    background-image: none;
  }
  .progress[width="100%"] {
    border-top-right-radius: @border-radius-base;
    border-bottom-right-radius: @border-radius-base;
  }
}


//
// Striped
//

.progress-striped[value]::-webkit-progress-value {
  #gradient > .striped();
  background-size: @line-height-computed @line-height-computed;
}
.progress-striped[value]::-moz-progress-bar {
  #gradient > .striped();
  background-size: @line-height-computed @line-height-computed;
}
@media screen and (~"min-width:0\0") {
  .progress-bar-striped {
    #gradient > .striped();
    background-size: @line-height-computed @line-height-computed;
  }
}


//
// Animated
//

.progress-animated[value]::-webkit-progress-value {
  animation: progress-bar-stripes 2s linear infinite;
}
.progress-animated[value]::-moz-progress-bar {
  animation: progress-bar-stripes 2s linear infinite;
}
@media screen and (~"min-width:0\0") {
  .progress-animated .progress-bar-striped {
    animation: progress-bar-stripes 2s linear infinite;
  }
}


//
// Variations
//

.progress-success {
  .progress-variant(@progress-bar-success-bg);
}
.progress-info {
  .progress-variant(@progress-bar-info-bg);
}
.progress-warning {
  .progress-variant(@progress-bar-warning-bg);
}
.progress-danger {
  .progress-variant(@progress-bar-danger-bg);
}