body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background-color: #f1f1f1;
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.chat-container {
  display: flex;
  flex-direction: column;
  max-width: 600px;
  margin: 0 auto;
  height: 100%;
}

h1 {
  background-color: #003366;
  color: white;
  padding: 1rem;
  text-align: center;
  font-size: 1.2rem;
}

.clock {
  text-align: center;
  font-size: 1rem;
  padding: 0.5rem;
  background-color: #eaeaea;
}

.chat-box {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.message {
  max-width: 90%;
  word-wrap: break-word;
}

.message.user {
  align-self: flex-end;
}

.message.bot {
  align-self: flex-start;
}

.bubble {
  padding: 10px 14px;
  border-radius: 16px;
  background-color: #e2e2e2;
  display: inline-block;
}

.message.user .bubble {
  background-color: #cce5ff;
}

.chat-form {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background-color: white;
  border-top: 1px solid #ccc;
}

.chat-form input[type="text"] {
  padding: 12px;
  font-size: 1rem;
  border-radius: 8px;
  border: 1px solid #ccc;
  margin-bottom: 0.5rem;
}

.button-group {
  display: flex;
  gap: 10px;
}

.chat-form button {
  flex: 1;
  padding: 12px;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  background-color: #007bff;
  color: white;
  cursor: pointer;
}

.chat-form button:hover {
  background-color: #0056b3;
}

@media (max-width: 480px) {
  h1 {
    font-size: 1rem;
  }

  .bubble {
    font-size: 0.95rem;
  }

  .chat-form input[type="text"],
  .chat-form button {
    font-size: 0.95rem;
    padding: 10px;
  }
}