body {
  font-family: 'Segoe UI', sans-serif;
  background: #f5f7fa;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.container {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h2 {
  text-align: center;
  margin-bottom: 1.5rem;
  color: #4a6fa5;
}

form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

input {
  padding: 0.75rem;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
}

button {
  background: #4a6fa5;
  color: white;
  border: none;
  padding: 0.75rem;
  font-size: 1rem;
  border-radius: 5px;
  cursor: pointer;
}

button:hover {
  background: #385b8c;
}

.error {
  color: red;
  font-size: 0.9rem;
  text-align: center;
}