amis/packages/amis-ui/scss/components/form/_range.scss

.#{$ns}InputRange {
  display: flex;
  justify-content: space-between;
  padding: var(--InputRange-padding) 0;
  width: 100%;

  &-wrap {
    position: relative;
    flex: auto;
  }

  &-input {
    width: 20 * 4px;
    height: 8 * 4px;
    margin: 0 2 * 4px;

    .#{$ns}Number {
      overflow: hidden;
    }

    .#{$ns}Number-handler {
      transition: 0.3s opacity;
      color: var(--Number-handler-color);

      &-up-inner,
      &-down-inner {
        cursor: pointer;
        &:hover {
          color: var(--Number-handler-onHover-color);
        }
      }
    }
  }

  &-clear {
    display: flex;
    align-items: center;
    cursor: pointer;

    svg {
      height: px2rem(12px);
      width: px2rem(12px);
      fill: #999;
    }
  }

  // disabled
  &.is-disabled {
    .#{$ns}InputRange-track {
      cursor: not-allowed;
    }

    .#{$ns}InputRange-track-active {
      background-color: var(--InputRange-track-onActive-onDisabled-bg);
      cursor: not-allowed;
    }

    .#{$ns}InputRange-handle-icon {
      border-color: var(--InputRange-handle-onDisabled-border-color);
      cursor: not-allowed;

      &:hover {
        transform: none;
      }
    }

    .#{$ns}Number-handler {
      cursor: not-allowed;

      &-up-inner,
      &-down-inner {
        cursor: not-allowed;
        &:hover {
          color: var(--text--muted-color);
        }
      }
    }
  }

  // hander
  &-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto 0 auto calc(var(--InputRange-handle-width) / -2);
    width: var(--InputRange-handle-width);
    height: var(--InputRange-handle-height);

    &-icon,
    &-drage {
      width: 100%;
      height: 100%;
      appearance: none;
      background-color: var(--InputRange-handle-bg);
      border: var(--InputRange-handle-border);
      cursor: pointer;
      display: flex;
      justify-content: center;
      align-items: center;
      outline: none;
      border-radius: 50%;
      transition: var(--InputRange-handle-transition);

      &:hover {
        transform: var(--InputRange-handle-onActive-transform);
        box-shadow: var(--InputRange-handle-onFocus-boxShadow);
      }

      &:active {
        transform: var(--InputRange-handle-onActive-transform);
      }

      &:focus {
        box-shadow: var(--InputRange-handle-onFocus-boxShadow);
      }
    }

    &-drage {
      transform: var(--InputRange-handle-onActive-transform);
      box-shadow: var(--InputRange-handle-onFocus-boxShadow);
      border-width: var(--InputRange-handle-onDrage-border-width);
    }

    .input-range--disabled & {
      background: var(--InputRange-slider-onDisabled-bg);
      border: var(--InputRange-slider-onDisabled-border);
      box-shadow: none;
      transform: none;
    }

    .icon-slider-handle {
      width: var(--InputRange-handle-icon-width);
      height: var(--InputRange-handle-icon-height);
      top: 0;
    }
  }

  // track
  &-track {
    background: var(--InputRange-track-bg);
    border-radius: var(--InputRange-track-border-radius);
    cursor: pointer;
    display: block;
    height: var(--InputRange-track-height);
    position: relative;
    transition: var(--InputRange-track-transition);

    &.is-active {
      background: var(--InputRange-track-onActive-bg);
      transition: 0.3s all;
    }

    &-dot {
      width: var(--InputRange-track-dot-height);
      height: var(--InputRange-track-dot-height);
      border-radius: 50%;
      background-color: var(--InputRange-track-dot-bg);
      position: absolute;
    }
  }

  &-track--background {
    left: 0.5rem;
    margin-top: calc(-0.5 * var(--InputRange-track-height));
    position: absolute;
    right: 0.5rem;
    top: 50%;
  }

  &-track-active {
    background: var(--InputRange-track-onActive-bg);
    border-radius: var(--InputRange-track-border-radius);
    position: absolute;
    height: 100%;
    left: 0;
    top: 0;
  }

  // label
  &-label {
    position: absolute;
    padding: var(--InputRange-label-padding);
    background-color: var(--InputRange-label-bg);
    color: var(--InputRange-label-color);
    font-size: var(--InputRange-label-font-size);
    border-radius: var(--InputRange-label-border-radius);
    visibility: hidden;

    &-visible {
      visibility: visible;
    }

    &.pos-top {
      left: 50%;
      bottom: var(--InputRange-label-position-bottom);
      transform: translateX(-50%);

      &::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        bottom: -4px;
        border-width: 4px 4px 0 4px;
        border-style: solid;
        border-color: #000 transparent transparent transparent;
      }
    }

    &.pos-bottom {
      top: var(--InputRange-label-position-bottom);
      left: 50%;
      transform: translateX(-50%);

      &::after {
        content: '';
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        top: -4px;
        border-width: 0 4px 4px 4px;
        border-style: solid;
        border-color: transparent transparent #000 transparent;
      }
    }

    &.pos-left {
      top: 50%;
      transform: translateY(-50%) translateX(-100%) translateX(-12px);

      &::after {
        content: '';
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        right: -4px;
        border-width: 4px 0 4px 4px;
        border-style: solid;
        border-color: transparent transparent transparent #000;
      }
    }

    &.pos-right {
      top: 50%;
      transform: translateY(-50%) translateX(26px);

      &::after {
        content: '';
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        left: -4px;
        border-width: 4px 4px 4px 0;
        border-style: solid;
        border-color: transparent #000 transparent transparent;
      }
    }
  }

  // marks
  &-marks {
    position: relative;
    top: 8px;
    div {
      position: absolute;
      top: 0;
      span {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
      }
    }
  }
}