body {
	background-color: #f8f9fa;
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 100vh;
}
.login-form {
	background: white;
	padding: 2rem;
	border-radius: 0.5rem;
	box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.1);
	width: 100%;
	max-width: 400px;
}
.error {
	color: red;
	font-size: 0.9rem;
}
.btn:disabled {
	cursor: not-allowed;
	background-color: #6c757d;
}