body {
  background: #f0f0f0;
  font-family: Arial, sans-serif;
  color: #333;
  display: flex;
  justify-content: center;
  padding: 50px 0;
  margin: 0;
}

.container {
  background: white;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  width: 360px;
  text-align: center;
}

header h1 {
  margin: 0;
  font-size: 2.2rem;
}

header p {
  margin: 10px 0 30px;
  color: #666;
}

input {
  width: 100%;
  padding: 12px;
  margin-bottom: 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

button {
  width: 100%;
  padding: 12px;
  background: #4285f4;
  color: white;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 1rem;
}

button:hover {
  background: #357ae8;
}

.error {
  color: #d9534f;
  margin-top: 10px;
}