:root {
	--brand: #1a1f71;
	--bg: #f5f6fa;
	--text: #1c1c28;
}

* {
	box-sizing: border-box;
}

body {
	margin: 0;
	min-height: 100vh;
	display: flex;
	align-items: flex-start;
	justify-content: center;
	background: var(--bg);
	color: var(--text);
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

.checkout {
	width: 100%;
	max-width: 480px;
	margin: 2rem 1rem;
	padding: 1.5rem;
	background: #fff;
	border-radius: 12px;
	box-shadow: 0 2px 16px rgba(0, 0, 0, 0.06);
}

.checkout__brand {
	margin: 0 0 1rem;
	font-size: 1.5rem;
	font-weight: 700;
	color: var(--brand);
}

.checkout__brand span {
	color: var(--text);
}

.checkout__summary {
	margin: 0 0 1rem;
	font-size: 1rem;
	font-weight: 600;
}

.checkout__message {
	margin: 1rem 0 0;
	color: #555;
}

.checkout__message--success {
	color: #137333;
	font-weight: 600;
}

.checkout__message--error {
	color: #b00020;
	font-weight: 600;
}

.checkout__return {
	display: inline-block;
	margin-top: 1.25rem;
	padding: 0.75rem 1.25rem;
	background: var(--brand);
	color: #fff;
	text-decoration: none;
	border-radius: 8px;
	font-weight: 600;
}

.checkout__return:hover {
	opacity: 0.92;
}