.composer-ai-helper-modal {
  .text-preview,
  .inline-diff {
    ins {
      background-color: var(--success-low);
      text-decoration: underline;
    }

    del {
      background-color: var(--danger-low);
      text-decoration: line-through;
    }

    .preview-area {
      height: 200px;
    }
  }

  @keyframes fadeOpacity {
    0% {
      opacity: 1;
    }

    100% {
      opacity: 0.5;
    }
  }

  &__loading {
    animation: fadeOpacity 1.5s infinite alternate;
  }

  &__old-value {
    background-color: var(--danger-low);
    color: var(--danger);
    margin-bottom: 1rem;
  }

  &__new-value {
    background-color: var(--success-low);
    color: var(--success);
  }

  .d-modal__footer {
    .regenerate {
      margin-left: auto;
    }
  }
}

.topic-above-suggested-outlet.related-topics {
  margin: 4.5em 0 1em;
}

.ai-composer-helper-menu {
  padding: 0.25rem;
  max-width: 25rem;
  list-style: none;

  ul {
    margin: 0;
    list-style: none;
  }
}

.ai-custom-prompt {
  display: flex;
  gap: 0.25rem;
  padding: 0.75em 1rem;

  &__input[type="text"] {
    border-color: var(--primary-400);
    margin-bottom: 0;

    &::placeholder {
      color: var(--primary-medium);
    }
  }
}

.ai-helper-loading {
  display: flex;
  padding: 0.5rem;
  gap: 1rem;
  justify-content: flex-start;
  align-items: center;

  .dot-falling {
    margin-inline: 1rem;
    margin-left: 1.5rem;
  }
}

.d-editor-input.loading {
  animation: loading-text 1.5s infinite linear;
}

@keyframes loading-text {
  0% {
    color: var(--primary);
  }

  50% {
    color: var(--tertiary);
  }

  100% {
    color: var(--primary);
  }
}

.ai-helper-highlighted-selection {
  background-color: var(--highlight-low-or-medium);
}

// AI Typing indicator (taken from: https://github.com/nzbin/three-dots)
.dot-falling {
  position: relative;
  left: -9999px;
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: var(--tertiary);
  color: var(--tertiary);
  box-shadow: 9999px 0 0 0 var(--tertiary);
  animation: dot-falling 1s infinite linear;
  animation-delay: 0.1s;
}

.dot-falling::before,
.dot-falling::after {
  content: "";
  display: inline-block;
  position: absolute;
  top: 0;
}

.dot-falling::before {
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: var(--tertiary);
  color: var(--tertiary);
  animation: dot-falling-before 1s infinite linear;
  animation-delay: 0s;
}

.dot-falling::after {
  width: 10px;
  height: 10px;
  border-radius: 5px;
  background-color: var(--tertiary);
  color: var(--tertiary);
  animation: dot-falling-after 1s infinite linear;
  animation-delay: 0.2s;
}

@keyframes dot-falling {
  0% {
    box-shadow: 9999px -15px 0 0 rgba(152, 128, 255, 0);
  }

  25%,
  50%,
  75% {
    box-shadow: 9999px 0 0 0 var(--tertiary);
  }

  100% {
    box-shadow: 9999px 15px 0 0 rgba(152, 128, 255, 0);
  }
}

@keyframes dot-falling-before {
  0% {
    box-shadow: 9984px -15px 0 0 rgba(152, 128, 255, 0);
  }

  25%,
  50%,
  75% {
    box-shadow: 9984px 0 0 0 var(--tertiary);
  }

  100% {
    box-shadow: 9984px 15px 0 0 rgba(152, 128, 255, 0);
  }
}

@keyframes dot-falling-after {
  0% {
    box-shadow: 10014px -15px 0 0 rgba(152, 128, 255, 0);
  }

  25%,
  50%,
  75% {
    box-shadow: 10014px 0 0 0 var(--tertiary);
  }

  100% {
    box-shadow: 10014px 15px 0 0 rgba(152, 128, 255, 0);
  }
}

// Suggest Titles Related
.showing-ai-suggestions {
  .title-input {
    // border on focus should be on top of suggestion button
    input:focus {
      z-index: 1;
    }

    input {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
  }

  .category-chooser,
  .mini-tag-chooser {
    .select-kit-header {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
  }

  #edit-title {
    padding-right: 2em;
  }

  .category-chooser {
    .select-kit-header-wrapper {
      padding-right: 1.5em;
    }
  }

  .mini-tag-chooser {
    .multi-select-header {
      padding-right: 2em;
    }
  }

  .select-kit.is-expanded {
    // need to raise the z-index so the sibling input buttons don't cover the dropdown
    z-index: z("dropdown") + 1;

    + button {
      z-index: z("dropdown") + 1;
    }
  }
}

.suggestion-button {
  .d-icon-spinner {
    animation: spin 1s linear infinite;
  }
}

.edit-title__wrapper,
.edit-category__wrapper,
.edit-tags__wrapper {
  position: relative;
}

.suggest-titles-button,
.suggest-tags-button,
.suggest-category-button {
  position: absolute;
  right: 0;
  top: 1px; // container border width
  z-index: z("dropdown");

  #reply-control & {
    z-index: z("composer", "dropdown") + 1;
  }
}

#reply-control {
  .composer-actions.is-expanded,
  .composer-popup {
    // need to raise the z-index here
    // because we need another layer to put the AI icon above dropdowns
    // while also keeping them below the composer tips
    z-index: z("composer", "dropdown") + 2;
  }

  .with-category .showing-ai-suggestions .category-input {
    flex-wrap: nowrap;
    max-width: calc(50% - 0.2em);

    .category-chooser {
      min-width: 0;
      flex: 1 1 auto;
    }
  }

  .with-category:not(.with-tags) {
    // when tagging is disabled
    .showing-ai-suggestions .category-input {
      max-width: 40%;
    }
  }

  .with-tags {
    .showing-ai-suggestions .tags-input {
      display: flex;
      max-width: calc(50% - 0.2em);

      .mini-tag-chooser {
        min-width: 0;
      }
    }
  }

  .showing-ai-suggestions {
    #reply-title {
      padding-right: 2em;
    }
  }
}

.ai-category-suggester-content,
.ai-tag-suggester-content,
.ai-title-suggester-content {
  z-index: z("composer", "dropdown");
}

.ai-suggestions-menu .btn {
  text-align: left;
}

.mobile-view {
  .ai-category-suggester-content,
  .ai-tag-suggester-content,
  .ai-title-suggester-content {
    z-index: z("modal", "dropdown");
  }
}

.ai-category-suggester-content {
  .category-row {
    padding: 0.25em 0.5em;
    color: var(--primary-high);

    &:hover {
      background: var(--d-hover);
    }
  }

  .topic-count {
    font-size: var(--font-down-2);
  }
}

.ai-tag-suggester-content {
  .tag-row {
    .discourse-tag-count {
      margin-left: 5px;
    }

    .d-button-label {
      display: none;
    }
  }
}

.edit-topic-title {
  .suggestion-button {
    margin: 0;
    padding: 0.465rem;
  }
}

#topic-title .edit-topic-title.showing-ai-suggestions {
  #edit-title {
    flex: 1 1 90%;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }

  .suggest-titles-button {
    padding: 0.5rem;
  }
}

.suggest-tags-button + .ai-suggestions-menu {
  top: 4.25rem;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }

  100% {
    transform: rotate(359deg);
  }
}

.ai-post-helper {
  &__suggestion {
    display: flex;
    flex-direction: column;

    h2 {
      font-size: var(--font-0);
      border-bottom: 1px solid var(--primary-low);
      padding-bottom: 0.5em;
    }

    p {
      margin: 0;
    }

    &__copy {
      .d-icon-check {
        color: var(--success);
      }
    }

    &__text {
      padding: 0.5rem;
    }

    &__buttons {
      display: flex;
      align-items: center;
      gap: 0.5rem;

      .btn {
        flex-grow: 1;
        padding-inline: 0;
      }
    }
  }

  &__fast-edit {
    .fast-edit-container {
      padding: 0.75em 1rem;
    }
  }
}

.choose-topic-modal .split-new-topic-form {
  .control-group {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    gap: 0.25em;
    margin-bottom: 1rem;

    label {
      flex: 100%;
    }

    input,
    .combo-box,
    .multi-select {
      flex: 1;
      margin-bottom: 0;
    }
  }

  .ai-split-topic-suggestion-button {
    .d-icon-spinner {
      animation: spin 1s linear infinite;
    }
  }
}

.ai-split-topic-suggestion__results {
  list-style: none;
  margin: 0;

  .btn {
    display: block;
    width: 100%;
    text-align: left;
    background: none;

    &:hover,
    &:focus {
      background: var(--d-hover);
      color: var(--primary);
    }
  }

  li:not(:last-child) {
    border-bottom: 1px solid var(--primary-low);
  }

  .ai-split-topic-suggestion__category-result {
    font-size: var(--font-0);
    padding: 0.5em 1rem;

    &:hover,
    &:focus {
      background: var(--d-hover);
      cursor: pointer;
    }
  }

  .topic-count {
    font-size: var(--font-down-2);
    color: var(--primary-high);
  }
}

.fk-d-menu[data-identifier="ai-split-topic-suggestion-menu"] {
  z-index: z("modal", "dropdown");
}

.ai-split-topic-loading-placeholder {
  .d-icon-spinner {
    animation: spin 1s linear infinite;
  }

  + .ai-split-topic-suggestion-button {
    display: none;
  }
}

.thumbnail-suggestions-modal {
  .ai-thumbnail-suggestions {
    display: flex;
    flex-flow: row wrap;
    position: relative;
    gap: 0.5em;

    &__item {
      flex: 35%;
      position: relative;
    }

    img {
      width: 100%;
      height: auto;
    }

    .btn {
      position: absolute;
      top: 0.5rem;
      left: 0.5rem;
    }
  }
}

// AI Image Caption Feature:
.image-wrapper {
  .button-wrapper {
    .generate-caption {
      background: var(--tertiary-low);
      color: var(--tertiary);
      box-shadow: var(--shadow-dropdown);
      position: absolute;
      white-space: nowrap;
      top: -2rem;
      left: 0.35rem;
      padding: 0.33em 0.75em;
      transition: all 0.25s ease;

      .discourse-no-touch & {
        display: none;
      }

      .d-icon {
        margin-right: 0.25rem;
      }

      &:active {
        box-shadow: none;
      }

      &:hover,
      &:focus {
        background: var(--tertiary-400);
        color: var(--tertiary-hover);
        cursor: pointer;
      }

      &.disabled {
        pointer-events: none;
        cursor: not-allowed;
        opacity: 0.7;
      }
    }
  }

  .discourse-no-touch & {
    &:hover {
      .button-wrapper .generate-caption {
        display: block;
      }
    }
  }
}

.ai-caption-popup {
  --ai-caption-popup-min-width: 20rem;
  width: auto;
  right: unset;
  padding: 1em;
  top: unset;
  bottom: 0;

  .loading-container {
    min-width: var(--ai-caption-popup-min-width);
  }

  textarea {
    box-sizing: border-box;
    width: 100%;
    max-width: 40dvw;
    max-height: calc(100dvh - var(--header-offset) - 10em);
    min-height: 3em;
    height: 7em;
    min-width: var(--ai-caption-popup-min-width);

    @include breakpoint(tablet) {
      width: 100%;
      max-width: unset;
      min-width: unset;
    }
  }

  .actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;

    .credits {
      font-size: var(--font-down-1);
      margin-left: auto;
      color: var(--tertiary);

      .desktop-view & {
        // a little extra space for extra narrow desktop view
        @media screen and (max-width: 675px) {
          span {
            display: none;
          }
        }
      }
    }
  }

  .spinner {
    border-color: var(--tertiary-600);
    border-right-color: var(--tertiary);
  }
}

.ai-image-caption-prompt-dialog {
  .dialog-content {
    max-width: 555px;
  }
}

.auto-image-caption-loader {
  margin-left: 2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-high);
}

// AI Helper Options List
.ai-helper-options {
  margin: 0;
  list-style: none;

  li {
    display: flex;
    align-items: center;

    .shortcut {
      border: none;
      background: none;
      font-size: var(--font-down-1);
      color: var(--primary-low-mid);
      margin-left: auto;
    }
  }

  &__button {
    justify-content: left;
    text-align: left;
    background: none;
    width: 100%;
    border-radius: 0;
    margin: 0;
    padding: 0.5em 1rem;

    &:focus,
    &:hover {
      color: var(--primary);
      background: var(--d-hover);

      .discourse-no-touch & {
        color: var(--primary);
        background: var(--d-hover);
      }

      .d-icon {
        color: var(--primary-high);

        .discourse-no-touch & {
          color: var(--primary-high);
        }
      }
    }
  }
}

.fk-d-menu[data-identifier="ai-composer-helper-menu"],
.fk-d-menu[data-identifier="ai-title-suggester"] {
  z-index: z("modal", "dialog");

  .fullscreen-composer & {
    z-index: z("header") + 1;
  }

  .mobile-view & {
    z-index: z("mobile-composer");
  }
}

.fk-d-toasts:has(.ai-proofread-error-toast) {
  top: unset;
  bottom: calc(var(--composer-height) - 5%);
  right: unset;
  left: 0;
}

@media screen and (min-width: $reply-area-max-width) {
  .has-sidebar-page {
    .fk-d-toasts:has(.ai-proofread-error-toast) {
      transform: translateX(
        calc(
          (100vw - var(--d-max-width) - var(--d-sidebar-width) / 0.5) / 2 +
            17em + 1rem
        )
      );
    }
  }
}
