body {
  background-color: #1e1e1e;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #ddd;
  margin: 0;
}

.chat-container {
  max-width: 600px;
  margin: 50px auto;
  padding: 20px;
}

.message-row {
  display: flex;
  margin-bottom: 12px;
  animation: fadeInUp 0.4s ease;
}

.person-a {
  justify-content: flex-start;
}

.person-b {
  justify-content: flex-end;
}

.message {
  padding: 12px 16px;
  border-radius: 20px;
  max-width: 70%;
  font-size: 15px;
  line-height: 1.4;
  word-wrap: break-word;
  animation: slideIn 0.4s ease;
}

.person-a .message {
  background-color: #2a2a2a;
  color: #eee;
}

.person-b .message {
  background-color: #0078d7;
  color: white;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideIn {
  from {
    transform: translateX(20px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}