.messageItem {
  display: flex;
  flex-direction: column;
  max-width: 80%;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.userMessage {
  align-self: flex-end;
}

.assistantMessage {
  align-self: flex-start;
}

.messageContent {
  padding: 12px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  word-wrap: break-word;
  position: relative;
}

.userMessage .messageContent {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  border-bottom-right-radius: 4px;
}

.assistantMessage .messageContent {
  background: white;
  color: #1f2937;
  border: 1px solid #e5e7eb;
  border-bottom-left-radius: 4px;
}

.cursor {
  display: inline-block;
  margin-left: 2px;
  animation: blink 1s infinite;
  color: inherit;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.timestamp {
  font-size: 11px;
  color: #9ca3af;
  margin-top: 4px;
  padding: 0 4px;
}

.userMessage .timestamp {
  text-align: right;
}

.assistantMessage .timestamp {
  text-align: left;
}