blog/pico-main/scss/forms/_input-range.scss

@use "sass:map";
@use "../settings" as *;

// Config
$height-track: 0.375rem;
$height-thumb: 1.25rem;
$border-thumb: 2px;

// Slider Track
@mixin slider-track {
  width: 100%;
  height: $height-track;
  border-radius: var(#{$css-var-prefix}border-radius);
  background-color: var(#{$css-var-prefix}range-border-color);

  @if $enable-transitions {
    transition:
      background-color var(#{$css-var-prefix}transition),
      box-shadow var(#{$css-var-prefix}transition);
  }
}

// Slider Thumb
@mixin slider-thumb {
  -webkit-appearance: none;
  width: $height-thumb;
  height: $height-thumb;
  margin-top: #{(-($height-thumb * 0.5) + ($height-track * 0.5))};
  border: $border-thumb solid var(#{$css-var-prefix}range-thumb-border-color);
  border-radius: 50%;
  background-color: var(#{$css-var-prefix}range-thumb-color);
  cursor: pointer;

  @if $enable-transitions {
    transition:
      background-color var(#{$css-var-prefix}transition),
      transform var(#{$css-var-prefix}transition);
  }
}

@if map.get($modules, "forms/input-range") {
  /**
   * Input type range
   */

  #{$parent-selector} [type="range"] {
    // Styles
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 100%;
    height: $height-thumb;
    background: none;

    &::-webkit-slider-runnable-track {
      @include slider-track;
    }

    &::-moz-range-track {
      @include slider-track;
    }

    &::-ms-track {
      @include slider-track;
    }

    &::-webkit-slider-thumb {
      @include slider-thumb;
    }

    &::-moz-range-thumb {
      @include slider-thumb;
    }

    &::-ms-thumb {
      @include slider-thumb;
    }

    &:active,
    &:focus-within {
      #{$css-var-prefix}range-border-color: var(#{$css-var-prefix}range-active-border-color);
      #{$css-var-prefix}range-thumb-color: var(#{$css-var-prefix}range-thumb-active-color);
    }

    &:active {
      // Slider Thumb
      &::-webkit-slider-thumb {
        transform: scale(1.25);
      }

      &::-moz-range-thumb {
        transform: scale(1.25);
      }

      &::-ms-thumb {
        transform: scale(1.25);
      }
    }
  }
}