/* Composer */
.composer {
  flex: none;
}

.composer__input-hint,
.composer__context-btn {
  .composer:has(.composer__input:focus-within) & {
    @media (max-width: 100ch) {
      display: none;
    }
  }
}

/* Attachments */
.composer__attachment-btn {
  --cf-hover-filter: brightness(0.85);

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      filter: var(--cf-hover-filter);
      box-shadow: none;
    }
  }
}

/* Pending attachments */
.composer__filelist {
  --cf-row-gap: var(--cf-block-space-half);

  &:not(:empty) {
    padding-block-end: var(--cf-block-space-half);
  }
}

.composer__file {
  --aspect-ratio: 5/4;
  --cf-btn-border-radius: 1em;
  --thumbnail-size: 15ch;

  aspect-ratio: var(--aspect-ratio);
  inline-size: var(--thumbnail-size);
}

:is(img, span):is(.composer__file-thumbnail) {
  aspect-ratio: var(--aspect-ratio);
  block-size: auto;
  border-radius: var(--cf-btn-border-radius);
  border: 1px solid var(--cf-color-border-darker);
  inline-size: var(--thumbnail-size);
  object-fit: cover;
}

.composer__file-thumbnail--common {
  background: url("/assets/common-file-text-9043d980.svg") no-repeat center;
  background-size: 55%;
}

.composer__file-caption {
  --icon-size: 1.3em;

  &::after {
    content: '';
    block-size: var(--icon-size);
    inline-size: var(--icon-size);
    background: url("/assets/remove-circle-384c618c.svg") no-repeat center;
    margin-inline: 0.5em -0.5em;
    flex-shrink: 0;
  }
}

/* Rich text */
.composer__rich-text-btn {
  --cf-hover-filter: brightness(0.85);

  display: none;

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      filter: var(--cf-hover-filter);
      box-shadow: none;
    }
  }

  img {
    inline-size: 1.7em;
  }
}

@media (min-width: 100ch) and (any-hover: hover) and (pointer: fine) {
  .composer__rich-text-btn {
    display: inline-flex;
  }

  .composer--rich-text {
    trix-toolbar {
      display: block;
    }

    trix-editor.cf-input {
      margin-block-start: var(--cf-block-space-half);
    }
  }

  .composer--edit trix-toolbar {
    border-block-end: 1px solid var(--cf-color-border);
    margin-inline: -0.8em;
    padding-inline: 0.3em;
    padding-block-end: 0.5em;
  }
}

/* Typing indicator */
.typing-indicator {
  inset-block-end: calc(100% + 0.2rem);
  opacity: var(--indicator-opacity, 0);
  background-color: white;
  position: absolute;
  left: .75rem;
  top: .5rem;
  transition: inset-block-start 300ms ease, opacity 300ms ease;

  @media (min-width: 100ch) {
    inset-inline-end: calc(100%);
    translate: 150% 100%;
    inset-block-end: calc(100% + 0.5rem);
  }

  &.typing-indicator--active {
    --indicator-opacity: 1;
  }
}

.typing-indicator__author {
  line-height: 1;
  padding-inline-start: 1.5em;

  &.cf-spinner {
    display: none;

    .typing-indicator--active & {
      display: block;
    }
  }
}

.composer__input {
  .composer__rich-text-btn,
  label:has(input[type='file']) {
    cursor: pointer;
  }
}