/* Composer */
.composer {
  flex: none;
  padding-inline: calc(var(--inline-space) + 1vw);
  padding-block: var(--block-space--half);
}

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

/* Pending attachments */
.composer__filelist {
  --row-gap: 0.5rem;

  &:not(:empty) {
    padding-block-end: 0.5rem;
  }
}

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

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

  .file-thumbnail {
    object-fit: cover;
    aspect-ratio: var(--aspect-ratio);
    border-radius: var(--btn-border-radius);
    inline-size: var(--thumbnail-size);
    block-size: auto;
    border: 1px solid var(--color-border--heavy);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
  }

  .file-thumbnail--common {
    background: url("/assets/common-file-text-b56a6b3e784f2d14237137f698c37c7e7075dce8.svg") no-repeat center;
    background-size: 55%;
  }
}

.composer__file-caption {
  &::after {
    content: "";
    block-size: 1.3em;
    inline-size: 1.3em;
    background: url("/assets/remove-circle-d74f29171c9cca08d50470b56c9c579b05b7dca3.svg") no-repeat center;
    margin-inline: 0.5em -0.5em;
    flex-shrink: 0;
  }

  @media (prefers-color-scheme: dark) {
    &::after {
      filter: invert(100%);
    }
  }
}

/* Rich text */
.composer__rich-text-btn {
  display: none;
}

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

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

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

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

/* Typing indicator */
.typing-indicator {
  position: absolute;
  inset-block-start: var(--indicator-position, 0.15rem);
  inset-inline-start: var(--block-space);
  opacity: var(--indicator-opacity, 0);
  transition: inset-block-start 300ms ease, opacity 300ms ease;

  .sidebar & {
    @media (min-width: 100ch) {
      margin-inline-start: 2vw;
    }
  }

  &.typing-indicator--active {
    --indicator-position: 0.15rem;
    --indicator-opacity: 1;
  }
}

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

  .spinner {
    display: none;

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