#dms-button {
  flex-shrink: 0;
  font-size: 12px;
  padding: 6px;
}

.dms-surface {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(130px, var(--chats-pane-width, 216px)) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr) auto;
  background: var(--surface);
  color: var(--text);
  font-size: 13px;
  line-height: 1.4;
  border: 1px solid var(--hairline);
}

.dms-surface[hidden],
.dms-surface [hidden],
#dms-button[hidden] {
  display: none;
}

.dms-sidebar,
.dms-thread {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}

.dms-sidebar {
  border-inline-end: 1px solid var(--hairline);
  background: var(--raised);
}

.dms-heading,
.dms-thread-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  border-bottom: 1px solid var(--hairline);
}

.dms-surface button {
  font: inherit;
  color: inherit;
  background: var(--raised);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 5px 8px;
  cursor: pointer;
}

.dms-surface button:hover,
.dms-conversation.selected {
  background: var(--surface);
  color: var(--accent-hot);
}

.dms-surface button:disabled {
  opacity: .5;
  cursor: default;
}

.dms-surface :focus-visible {
  outline: 2px solid var(--accent-hot);
  outline-offset: -2px;
}

.dms-list,
.dms-messages,
.dms-picker {
  overflow-y: auto;
  min-height: 0;
  padding: 8px;
}

.dms-list,
.dms-messages {
  flex: 1;
}

.dms-messages {
  position: relative;
  overflow-anchor: none;
}

.dms-conversation {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  text-align: start;
  margin-bottom: 4px;
}

.dms-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dms-unread {
  border-radius: 12px;
  padding: 0 6px;
  background: var(--accent-hot);
  color: var(--surface);
}

.dms-message {
  padding: 8px 0;
  overflow-wrap: anywhere;
}

.dms-message-header,
.dms-message-actions,
.dms-recipients,
.dms-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.dms-message-header time,
.dms-muted,
.dms-empty {
  color: var(--dim);
}

.dms-message-text {
  white-space: pre-wrap;
}

.dms-media {
  display: block;
  max-width: 100%;
  max-height: 360px;
  margin-block: 6px;
}

.dms-attachment {
  display: block;
  color: var(--accent-hot);
}

.dms-composer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  border-top: 1px solid var(--hairline);
}

.dms-surface textarea,
.dms-surface input {
  font: inherit;
  color: inherit;
  background: var(--raised);
  border: 1px solid var(--hairline);
  border-radius: 6px;
  padding: 8px;
  min-width: 0;
  box-sizing: border-box;
}

.dms-composer textarea,
.dms-attachments,
.dms-picker input {
  width: 100%;
}

.dms-composer textarea {
  resize: vertical;
}

.dms-composer input[type=file] {
  flex: 1;
}

.dms-search-results button {
  display: block;
  width: 100%;
  margin-block: 4px;
  text-align: start;
}

.dms-error {
  grid-column: 1 / -1;
  color: var(--accent-hot);
  padding: 0 8px;
  overflow-wrap: anywhere;
}

@media (max-width: 540px) {
  .dms-surface {
    grid-template-columns: 120px minmax(0, 1fr);
  }
}