.upi-form {
  max-width: 400px;
  margin: auto;
  padding: 20px;
  border: 1px solid #ccc;
  border-radius: 8px;
}
.upi-form input,
.upi-form textarea {
  width: 100%;
  margin-bottom: 10px;
  padding: 8px;
}
.upi-form button {
  background: #0073aa;
  color: #fff;
  padding: 10px 15px;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.upi-form button:hover {
  background: #005f8d;
}
.upi-qr {
  text-align: center;
  margin: 15px 0;
}