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

  @media (min-width: 67.5rem) {
    padding-block-end: calc(var(--block-space-half) + 1.15rem);
  }
}

/* Drag and drop overlay */
.composer--drag-over {
  outline: 2px dashed var(--color-border-darker, currentColor);
  outline-offset: -4px;
  background: var(--color-background-subtle, rgba(0 0 0 / 0.03));
}

.composer__context-btn {
  .composer:has(.composer__input:focus-within) & {
    @media (max-width: 67.4375rem) {
      display: none;
    }
  }

  /* Hide main Search button when GIF picker is open */
  .composer:has(.gif-picker:not(.hidden)) & {
    display: none;
  }
}

.composer__input-hint {
  .composer:has(.composer__input:focus-within) & {
    display: none;
  }
}

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

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

.composer__reply {
  align-items: center;
  background: color-mix(in oklab, var(--color-bg) 88%, var(--color-border) 12%);
  border: 1px solid var(--color-border);
  border-radius: 0.9rem;
  display: flex;
  gap: 0.75rem;
  justify-content: space-between;
  margin-block-end: var(--block-space-half);
  padding: 0.55rem 0.7rem;
}

.composer__reply-copy {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.composer__reply-label {
  font-size: 0.72rem;
  opacity: 0.65;
  text-transform: uppercase;
}

.composer__reply-link {
  color: var(--color-text);
  overflow: hidden;
  text-decoration: none;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.composer__reply-clear {
  flex: none;
}

.composer__file {
  --aspect-ratio: 5/4;
  --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(--btn-border-radius);
  border: 1px solid var(--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;
    filter: invert(100%);
  }
}

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

  display: none;

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

  img {
    inline-size: 1.7em;
  }
}

@media (min-width: 67.5rem) and (any-hover: hover) and (pointer: fine) {
  .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 {
    border-block-end: 1px solid var(--color-border);
    margin-inline: -0.8em;
    padding-inline: 0.3em;
    padding-block-end: 0.5em;
  }
}

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

  .sidebar & {
    @media (min-width: 67.5rem) {
      margin-inline-start: 2vw;
    }
  }

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

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

  &.spinner {
    display: none;

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

.composer__input {
  font-size: calc(1rem * var(--user-font-scale, 1));
  padding-block: 0.22rem;

  .composer__actions {
    --hint-offset: 0.45rem;
    --column-gap: 0.45rem;
    position: relative;
  }

  .composer__input-hint {
    left: 0;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }

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

  .composer__private-btn:not(.composer__tool-btn) {
    align-items: center;
    display: inline-flex;
    gap: 0.33rem;
    line-height: 1;
    min-block-size: calc(var(--btn-size) + 0.1rem);
    padding-inline: 0.55rem;
  }

  .composer__private-input {
    block-size: 1px;
    inline-size: 1px;
    margin: 0;
    opacity: 0;
    overflow: hidden;
    pointer-events: none;
    position: absolute;
  }

  .composer__private-btn:has(.composer__private-input:checked) {
    background: color-mix(in oklab, #111827 72%, #8b5cf6 28%);
    border: 1px solid color-mix(in oklab, #ffffff 18%, transparent);
    color: #f8fafc;
  }

  .input,
  trix-editor {
    font-size: calc(1.15rem * var(--user-font-scale, 1));
    line-height: 1.35;
  }

  .btn--borderless {
    min-block-size: calc(var(--btn-size) + 0.1rem);
  }

  .composer__send-btn {
    min-block-size: calc(var(--btn-size) + 0.1rem);
    min-inline-size: calc(var(--btn-size) + 0.1rem);
  }

  &:has(.composer__private-input:checked) {
    --input-border-color: color-mix(in oklab, #8b5cf6 70%, var(--color-border) 30%);

    background:
      linear-gradient(150deg, color-mix(in oklab, var(--color-bg) 84%, #f3e8ff 16%), color-mix(in oklab, var(--color-bg) 94%, #faf5ff 6%));
    box-shadow:
      inset 0 0 0 1px color-mix(in oklab, #8b5cf6 30%, transparent),
      0 0 0 1px color-mix(in oklab, #8b5cf6 18%, transparent);
  }

  trix-editor {
    max-block-size: min(45dvh, 18rem);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  textarea.input {
    background: transparent;
    border: 0;
    max-block-size: min(45dvh, 18rem);
    min-block-size: 1.35em;
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0;
  }
}

@media (max-width: 40rem) {
  .composer__input {
    .composer__actions {
      --column-gap: 0.3rem;
    }

    .btn--borderless,
    .btn--reversed {
      --btn-size: 2.15em;
    }

    .composer__send-btn {
      --btn-size: 2.65em;
    }

    .composer__attachment-btn img,
    .composer__gif-btn img,
    .composer__rich-text-btn img,
    .btn--reversed img {
      inline-size: 1.05em;
    }

    .composer__emoji-btn:not(.composer__tool-btn) {
      font-size: calc(0.78rem * var(--user-font-scale, 1));
      line-height: 1;
      padding: 0.15em 0;
    }

    .composer__private-btn:not(.composer__tool-btn) {
      min-block-size: calc(var(--btn-size) + 0.05rem);
      padding-inline: 0.38rem;
    }

    .composer__private-btn:not(.composer__tool-btn) span {
      font-size: calc(0.68rem * var(--user-font-scale, 1));
      letter-spacing: 0;
    }
  }
}

html[data-theme="mideval"] .composer__input {
  --input-border-color: oklch(18% 0.04 60);
  --hover-color: var(--mideval-brass-dark);

  background-color: var(--mideval-parchment);
  background-image:
    linear-gradient(180deg, oklch(93% 0.03 85 / 0.82), oklch(80% 0.05 78 / 0.88)),
    radial-gradient(140% 140% at 12% 0%, oklch(96% 0.03 90 / 0.25), transparent 60%),
    radial-gradient(160% 160% at 88% 100%, oklch(70% 0.05 70 / 0.16), transparent 65%);
  box-shadow:
    inset 0 0 0 1px oklch(0% 0 0 / 0.28),
    inset 0 1px 0 oklch(100% 0 0 / 0.18),
    0 1px 2px oklch(0% 0 0 / 0.08);
}

html[data-theme="mideval"] .composer__input .btn--borderless {
  --btn-color: var(--mideval-ink);
  --btn-icon-filter: var(--btn-icon-filter-dark);
}

html[data-theme="mideval"] .composer__input .colorize--black {
  filter: var(--btn-icon-filter-dark);
}

html[data-theme="mideval"] .composer__input .btn--reversed {
  --btn-background: var(--mideval-parchment);
  --btn-border-color: oklch(16% 0.04 60);
  --btn-color: var(--mideval-ink);
  --btn-icon-filter: var(--btn-icon-filter-dark);
  --hover-color: var(--mideval-brass-dark);

  background-image:
    linear-gradient(180deg, oklch(93% 0.03 85 / 0.9), oklch(82% 0.05 78 / 0.9)),
    radial-gradient(140% 140% at 12% 0%, oklch(96% 0.03 90 / 0.35), transparent 60%),
    radial-gradient(160% 160% at 88% 100%, oklch(70% 0.05 70 / 0.25), transparent 65%),
    repeating-linear-gradient(35deg, oklch(96% 0.02 85 / 0.12) 0 2px, transparent 2px 5px);
  background-blend-mode: multiply;
  box-shadow:
    inset 0 0 0 1px oklch(100% 0 0 / 0.18),
    0 1px 2px oklch(0% 0 0 / 0.25);
}

html[data-theme="mideval"] .composer {
  background-color: var(--mideval-parchment);
  background-image:
    linear-gradient(180deg, oklch(92% 0.03 85 / 0.88), oklch(80% 0.05 78 / 0.92)),
    radial-gradient(140% 140% at 8% -20%, oklch(96% 0.03 90 / 0.25), transparent 60%),
    radial-gradient(160% 160% at 92% 120%, oklch(70% 0.05 70 / 0.2), transparent 65%),
    repeating-radial-gradient(circle at 0 0, oklch(75% 0.05 70 / 0.2) 0 1px, transparent 1px 22px);
  background-blend-mode: multiply;
  border-top: 1px solid oklch(22% 0.05 60 / 0.35);
  border-bottom: 1px solid oklch(22% 0.05 60 / 0.35);
  box-shadow:
    inset 0 1px 0 oklch(100% 0 0 / 0.18),
    0 -1px 0 oklch(100% 0 0 / 0.08);
}

html[data-theme="mideval"] .composer::before,
html[data-theme="mideval"] .composer::after {
  content: "";
  position: absolute;
  inset-inline: calc(var(--inline-space) + 1vw);
  height: 1px;
  background: oklch(55% 0.05 70 / 0.35);
}

html[data-theme="mideval"] .composer::before {
  inset-block-start: 0.2rem;
}

html[data-theme="mideval"] .composer::after {
  inset-block-end: 0.2rem;
}

.composer__tools {
  position: relative;
}

.composer__tools-trigger {
  min-inline-size: calc(var(--btn-size) + 0.1rem);
}

.composer__tools[open] .composer__tools-trigger {
  --btn-background: color-mix(in oklab, var(--color-selected-dark) 24%, transparent);
  --btn-border-color: color-mix(in oklab, var(--color-selected-dark) 45%, var(--color-border));
  --btn-color: var(--color-text);
  --btn-icon-filter: var(--btn-icon-filter-dark);
}

.composer__tools-menu {
  background-color: var(--color-bg);
  border-radius: 0.75em;
  display: none;
  gap: 0.3rem;
  inline-size: max-content;
  inset-block-end: calc(var(--btn-size) + 0.35em);
  inset-block-start: auto;
  inset-inline-start: 50%;
  margin-inline-start: var(--offset-x, 0px);
  max-inline-size: var(--max-width, calc(100vw - (var(--inline-space) * 2)));
  min-inline-size: 8.75rem;
  overflow: visible;
  padding: 0.4em;
  position: absolute;
  transform: translateX(-50%);
  z-index: 20;

}

.composer__tools[open] .composer__tools-menu {
  display: grid;
  grid-auto-rows: minmax(max-content, auto);
}

.composer__tools-menu .btn:not(.avatar) {
  margin-block: 0 !important;
}

.composer__tools-menu .btn:not(.avatar):last-child {
  margin-inline-end: 0 !important;
}

.composer__tool-btn {
  --btn-border-radius: 0.55em;
  --btn-padding: 0.45em 0.6em;
  --hover-size: 0;
  --hover-filter: none;

  align-items: center;
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--btn-border-radius);
  color: var(--color-text);
  cursor: pointer;
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr);
  column-gap: 0.6rem;
  inline-size: 100%;
  line-height: 1.2;
  min-block-size: clamp(2.2rem, calc(2.2rem * var(--user-font-scale, 1)), 3.4rem);
  padding-block: calc(0.38em + ((var(--user-font-scale, 1) - 1) * 0.08em));
  justify-content: flex-start;
  justify-items: start;
  transition: background-color 150ms ease, border-color 150ms ease, filter 150ms ease;
  white-space: nowrap;

  @media (any-hover: hover) {
    &:where(:not(:active):hover) {
      background-color: color-mix(in oklab, var(--color-selected-dark) 18%, transparent);
      border-color: color-mix(in oklab, var(--color-selected-dark) 36%, transparent);
    }
  }

  &:where(:not(:active)):focus-visible {
    background-color: color-mix(in oklab, var(--color-selected-dark) 20%, transparent);
    border-color: color-mix(in oklab, var(--color-selected-dark) 40%, transparent);
  }
}

.composer__tool-icon {
  align-items: center;
  block-size: 1.1rem;
  display: inline-flex;
  flex: none;
  inline-size: 1.1rem;
  justify-content: center;
  line-height: 1;
  white-space: nowrap;
}

.composer__code-btn .composer__tool-icon {
  font-size: 0.95rem;
  inline-size: 1.35rem;
}

.composer__tool-btn img.composer__tool-icon {
  block-size: 1.1rem;
  inline-size: 1.1rem;
  object-fit: contain;
}

.composer__tool-icon--emoji {
  font-size: calc(1rem * var(--user-font-scale, 1));
  padding-inline-start: 0.08rem;
  transform: translateY(-0.5px);
}

.composer__tools-menu .input--file {
  position: relative;
}

.composer__tools-menu .input--file input[type="file"] {
  block-size: 100%;
  inline-size: 100%;
  inset: 0;
  opacity: 0;
  position: absolute;
}

@media (max-width: 40rem) {
  .composer__tools-menu {
    min-inline-size: 8.25rem;
  }

  .composer__tool-btn {
    --btn-padding: 0.4em 0.5em;
  }
}