#messagesOutput {
  --messages-line-height: 1.35;
  line-height: var(--messages-line-height);
}

#messagesMonitor .serial-output .message {
  word-break: break-word;
}

/* Serial tab: incoming display toggle (eye / eye-slash), matches .serial-btn-send row */
.serial-incoming-toggle.serial-incoming-off {
  opacity: 0.55;
}

.serial-incoming-toggle.serial-incoming-off:hover {
  opacity: 0.85;
}