amis/scss/components/form/_number.scss

.#{$ns}Number {
  margin: 0;
  padding: 0;
  line-height: var(--Form-input-height);
  font-size: var(--Form-input-fontSize);
  height: var(--Form-input-height);
  display: inline-block;
  vertical-align: middle;
  background: var(--Number-bg);
  border: var(--Number-borderWidth) solid var(--Number-borderColor);
  border-radius: var(--Number-borderRadius);

  @include input-border();
  &.no-steps > &-handler-wrap {
    display: none;
  }

  &-focused {
    border-color: var(--Form-input-onFocused-borderColor);
    box-shadow: var(--Form-input-boxShadow);
  }

  &-handler {
    text-align: center;
    overflow: hidden;
    display: block;
    touch-action: none;

    &-active {
      background: #ddd;
    }
  }

  &-handler-up-inner,
  &-handler-down-inner {
    user-select: none;
    -webkit-user-select: none;
    display: inline-block;
  }

  &:hover {
    border-color: var(--Form-input-onFocused-borderColor);

    .#{$ns}Number-handler-up,
    .#{$ns}Number-handler-wrap {
      border-color: var(--Form-input-onFocused-borderColor);
    }
  }

  &-disabled:hover {
    border-color: var(--Form-input-borderColor);

    .#{$ns}Number-handler-up,
    .#{$ns}Number-handler-wrap {
      border-color: var(--Form-input-borderColor);
    }
  }

  &-input-wrap {
    overflow: hidden;
    height: 100%;
  }

  &-input {
    width: 100%;
    background: transparent;
    text-align: left;
    vertical-align: top;
    outline: 0;
    -moz-appearance: textfield;
    line-height: calc(var(--Form-input-height) - var(--Number-borderWidth) * 2);
    height: 100%;
    transition: all var(--animation-duration) ease;
    border: 0;
    border-radius: var(--Form-input-borderRadius);
    padding: 0 var(--Form-input-paddingX);
  }

  &-handler {
    background: var(--Number-handler-bg);
    color: var(--Number-handler-color);
    font-family: var(--Number-handler-fontFamily);
    font-size: var(--Number-handler-fontSize);

    &:hover {
      background: var(--Number-handler-onHover-bg);
      color: var(--Number-handler-onHover-color);
    }

    &:hover:active {
      background: var(--Number-handler-onActive-bg);
    }
  }

  &-handler-up {
    &-inner {
      transform: var(--Number-handler--up-transform);

      &:after {
        content: var(--Number-handler--up-content);
      }
    }
  }

  &-handler-down {
    &-inner {
      &:after {
        content: var(--Number-handler--down-content);
      }
    }
  }

  @if $Number-handler-mode==vertical {
    &-handler-wrap {
      float: right;
      border-left: px2rem(1px) solid var(--Form-input-borderColor);
      width: var(--Number-handler-width);
      height: 100%;
    }

    &-handler {
      line-height: calc((var(--Form-input-height) - #{px2rem(6px)}) / 2);
      height: calc(
        (var(--Form-input-height) - var(--Number-borderWidth) * 2) / 2
      );
    }

    &-handler-up {
      border-bottom: var(--Number-handler-borderBottom);
      padding-top: px2rem(1px);
    }
  } @else {
    position: relative;

    &-input {
      text-align: center;
    }

    &-handler-up,
    &-handler-down {
      position: absolute;
      width: var(--Number-handler-width);
      height: 100%;
      top: 0;
    }

    &-handler-down {
      left: 0;
    }

    &-handler-up {
      right: 0;
    }
  }

  &-handler-down-disabled,
  &-handler-up-disabled {
    background: var(--Number-handler-onDisabled-bg);
    pointer-events: none;
    color: var(--Number-handler-onDisabled-color);
  }

  &-disabled {
    .#{$ns}Number-input {
      opacity: 0.72;
      cursor: not-allowed;
      background: var(--Number-onDisabled-bg);
    }

    .#{$ns}Number-handler {
      opacity: 0.72;

      &:hover {
        color: var(--text--muted-color);
        border-color: var(--Form-input-borderColor);
      }
    }
  }
}

.#{$ns}NumberControl:not(.is-inline) > .#{$ns}Number {
  display: block;
}

.#{$ns}Number--borderHalf, .#{$ns}Number--borderNone {
  .#{$ns}Number-handler-wrap {
    border-left: none;
  }
}