body {
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #5f2c82, #49a09d);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 120vh;
}

.auth-container {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 15px;
  padding: 40px;
  max-width: 600px;
  width: 90%;
  box-shadow: 0 8px 30px rgba(0,0,0,0.2);
  text-align: center;
}

.auth-container h2 {
  margin-bottom: 30px;
  font-size: 28px;
  color: #fff;
}

.form-box {
  margin-bottom: 30px;
}

.form-box h3 {
  margin-bottom: 15px;
  font-size: 20px;
  color: #fffd;
}

form input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border: none;
  border-radius: 8px;
  font-size: 16px;
}

form button {
  width: 100%;
  padding: 12px;
  background: #ffcc00;
  border: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.3s ease;
}

form button:hover {
  background: #ffaa00;
}

.message {
  background: #fff;
  color: #222;
  padding: 10px 15px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-weight: bold;
}