body {
  font-family: Arial, sans-serif;
  background: linear-gradient(135deg, #4facfe, #00f2fe);
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #333;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  width: 350px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
  text-align: center;
}

input {
  width: 90%;
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #aaa;
  border-radius: 5px;
}

button {
  width: 95%;
  padding: 10px;
  border: none;
  border-radius: 5px;
  background: #007bff;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #0056b3;
}

#toggle-form {
  margin-top: 10px;
  color: #555;
}

#toggle-form span {
  color: #007bff;
  cursor: pointer;
  font-weight: bold;
}

.hide {
  display: none;
}