body {
  background: linear-gradient(to bottom right, #fff5f7, #d4f0ff);
  color: #333;
  font-family: "Comic Sans MS", cursive, sans-serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

h1 {
  color: #ff6b6b;
  font-size: 2em;
  margin-bottom: 20px;
  text-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#chatBox {
  width: 90%;
  max-width: 480px;
  height: 60vh;
  background: white;
  border-radius: 15px;
  box-shadow: 0 0 20px rgba(0,0,0,0.1);
  overflow-y: auto;
  padding: 15px;
}

#messages {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.user, .bot {
  padding: 10px 14px;
  border-radius: 10px;
  max-width: 80%;
  word-wrap: break-word;
}

.user {
  align-self: flex-end;
  background: #c9f7c4;
}

.bot {
  align-self: flex-start;
  background: #f7d4f5;
}

#startBtn {
  background: #ff6b6b;
  color: white;
  border: none;
  padding: 12px 22px;
  border-radius: 10px;
  margin-top: 15px;
  font-size: 1.1em;
  cursor: pointer;
}

#startBtn:hover {
  background: #ff3b3b;
}