discourse/app/assets/stylesheets/common/base/rtl.scss

// Right to left styles.

.rtl {
  .d-icon-align-right,
  .d-icon-angle-double-right,
  .d-icon-angle-right,
  .d-icon-arrow-right,
  .d-icon-caret-right,
  .d-icon-chevron-right,
  .d-icon-hand-point-right,
  .d-icon-quote-right {
    transform: rotate(180deg);
  }

  .d-icon-align-left,
  .d-icon-angle-double-left,
  .d-icon-angle-left,
  .d-icon-arrow-left,
  .d-icon-caret-left,
  .d-icon-chevron-left,
  .d-icon-hand-point-left,
  .d-icon-quote-left {
    transform: rotate(180deg);
  }
}

.rtl .admin-customize .current-style .toggle-mobile {
  position: static !important;
  float: left !important;
}
.rtl .admin-customize .current-style .toggle-maximize {
  position: static !important;
  float: left !important;
}

// For the support_mixed_text_direction setting
html:not(.rtl) .cooked ul[dir="rtl"],
html:not(.rtl) .d-editor-preview ul[dir="rtl"],
.rtl .cooked ul[dir="ltr"],
.rtl .d-editor-preview ul[dir="ltr"] {
  padding-left: 0;
  padding-right: 1.25em;
  margin-right: 1.25em;
}

.rtl {
  $mobile-breakpoint: 700px;

  .admin-detail.mobile-open {
    @media (max-width: $mobile-breakpoint) {
      transition: transform 0.3s ease;
      @include transform(translateX(-250px));
    }
    @media (max-width: 500px) {
      transition: transform 0.3s ease;
      @include transform(translateX(-50%));
    }
  }

  .admin-detail.mobile-closed {
    @media (max-width: $mobile-breakpoint) {
      transition: transform 0.3s ease;
      @include transform(translateX(0));
      margin-left: -10px !important;
      padding-left: 10px !important;
    }
  }

  .admin-nav {
    .nav-stacked {
      margin: 0 -10px 0 10px !important;
    }
  }
}

.rtl .ace_placeholder {
  direction: rtl !important;
  text-align: right !important;

  [dir="ltr"] {
    text-align: left !important;
  }
}