@import "../error-message/index";
@import "../hint/index";
@import "../label/index";

@include moaland-exports("moaland/component/file-upload") {
  $component-padding: moaland-spacing(1);

  .moaland-file-upload {
    @include moaland-font($size: 19);
    @include moaland-text-colour;
    padding-top: $component-padding;
    padding-bottom: $component-padding;

    &:focus {
      // "Yank" the padding with negative margin to avoid a jump
      // when element is focused
      margin-right: -$component-padding;
      margin-left: -$component-padding;
      padding-right: $component-padding;
      padding-left: $component-padding;

      outline: $moaland-focus-width solid $moaland-focus-colour;
      // Use `box-shadow` to add border instead of changing `border-width`
      // (which changes element size) and since `outline` is already used for the
      // yellow focus state.
      box-shadow: inset 0 0 0 4px $moaland-input-border-colour;

      @include moaland-if-ie8 {
        // IE8 doesn't support `box-shadow` so add an actual border
        border: 4px solid $moaland-input-border-colour;
      }
    }

    // Set "focus-within" to fix https://bugzilla.mozilla.org/show_bug.cgi?id=1430196
    // so that component receives focus in Firefox.
    // This can't be set together with `:focus` as all versions of IE fail
    // to recognise `focus-within` and don't set any styles from the block
    // when it's a selector.
    &:focus-within {
      margin-right: -$component-padding;
      margin-left: -$component-padding;
      padding-right: $component-padding;
      padding-left: $component-padding;

      outline: $moaland-focus-width solid $moaland-focus-colour;

      box-shadow: inset 0 0 0 4px $moaland-input-border-colour;
    }
  }
}