.chat-view-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.chat-view-header .title {
  font-weight: 600;
}

.chat-view-header .item-link {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  max-width: 100%;
}

.chat-view-header .item-link img {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  vertical-align: middle;
  margin-right: 6px;
  object-fit: cover;
}

.chat-view-header .header-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.chat-view-header select.status {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 13px;
}

.chat-view-header .read-btn {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg);
  font-size: 13px;
  color: var(--text-secondary);
}

.chat-view-header .read-btn:hover {
  background: var(--bg-hover);
}

.messages {
  flex: 1;
  overflow-y: auto;
  padding: 12px 16px;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.msg {
  max-width: 70%;
  padding: 8px 12px;
  border-radius: 14px;
  word-wrap: break-word;
  white-space: pre-wrap;
  position: relative;
}

.msg.in {
  background: var(--bubble-in);
  align-self: flex-start;
  border-top-left-radius: 4px;
}

.msg.out {
  background: var(--bubble-out);
  align-self: flex-end;
  border-top-right-radius: 4px;
}

.msg.system {
  align-self: center;
  background: transparent;
  color: var(--text-muted);
  font-style: italic;
  font-size: 12px;
  padding: 4px 8px;
  border: 1px dashed var(--border);
  border-radius: 12px;
  max-width: 80%;
  text-align: center;
}

.msg .ts {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.msg.pending {
  opacity: 0.6;
}

.msg.failed {
  border: 1px solid var(--danger);
}

.msg .failed-marker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--danger);
  font-size: 12px;
  margin-top: 6px;
}

.msg .failed-marker button {
  font-size: 12px;
  text-decoration: underline;
  color: var(--danger);
}

.msg.image-msg img {
  display: block;
  max-width: 100%;
  border-radius: 8px;
  margin-bottom: 4px;
}

.composer {
  border-top: 1px solid var(--border);
  background: var(--bg);
  padding: 8px;
  display: flex;
  gap: 6px;
  align-items: flex-end;
}

.composer .attach-btn,
.composer .send-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.composer .attach-btn:hover,
.composer .send-btn:not(:disabled):hover {
  background: var(--bg-hover);
}

.composer .send-btn:not(:disabled) {
  background: var(--accent);
  color: #fff;
}

.composer .send-btn:not(:disabled):hover {
  background: var(--accent-hover);
}

.composer textarea {
  flex: 1;
  resize: none;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg);
  outline: none;
  min-height: 40px;
  max-height: 120px;
  line-height: 1.4;
}

.composer textarea:focus {
  border-color: var(--accent);
}