body {
  font-family: Arial, sans-serif;
  background: #f0f4f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.auth-container {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0,0,0,0.1);
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.auth-container h2 {
  margin-bottom: 15px;
  color: #4CAF50;
}

.auth-container p {
  margin-bottom: 20px;
  font-size: 14px;
  color: #555;
}

.auth-container input {
  width: 100%;
  padding: 12px;
  margin: 8px 0;
  border-radius: 6px;
  border: 1px solid #ccc;
  font-size: 14px;
}

.auth-container button {
  width: 100%;
  padding: 12px;
  background: #4CAF50;
  border: none;
  border-radius: 6px;
  color: white;
  font-size: 16px;
  cursor: pointer;
}

.auth-container button:hover {
  background: #45a049;
}

.flash {
  margin-top: 15px;
  padding: 10px;
  border-radius: 6px;
  font-size: 14px;
}

.flash.success {
  background: #d4edda;
  color: #155724;
}

.flash.error {
  background: #f8d7da;
  color: #721c24;
}