.ai-box {
  max-width: 100%;
  max-width: 600px;
  margin: 3rem auto;
  background: #ffffff;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  font-family: 'Inter', system-ui, sans-serif;
}
.ai-title {
  background-color: #6c4ce2;
  color: white;
  padding: 1rem 1.5rem;
  font-weight: 600;
  font-size: 1.125rem;
  text-align: center;
}
.ai-messages {
  padding: 1.5rem;
  height: 320px;
  overflow-y: auto;
  background-color: #f8f8fc;
  font-size: 15px;
  line-height: 1.6;
}
.ai-message {
  margin-bottom: 1rem;
  padding: 0.75rem 1rem;
  border-radius: 12px;
  max-width: 80%;
  word-wrap: break-word;
}
.ai-message.user {
  background-color: #6c4ce2;
  color: white;
  margin-left: auto;
  text-align: right;
}
.ai-message.assistant {
  background-color: #f1f1f7;
  color: #333;
  margin-right: auto;
  text-align: left;
}
#ai-form {
  display: flex;
  border-top: 1px solid #eee;
  background-color: #fff;
}
#ai-input {
  flex: 1;
  padding: 1rem;
  border: none;
  font-size: 1rem;
  border-radius: 0;
}
#ai-input:focus {
  outline: none;
  background-color: #fafafa;
}
#ai-form button {
  background-color: #6c4ce2;
  color: white;
  border: none;
  padding: 0 1.25rem;
  font-weight: 500;
  font-size: 1rem;
  border-left: 1px solid #e0e0e0;
  transition: background 0.2s ease;
}
#ai-form button:hover {
  background-color: #5a3fd1;
  cursor: pointer;
}