* {
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}

:root {
	--color-bg: #0f172a;
	--color-card: #1e293b;
	--color-text: #f8fafc;
	--color-text-muted: #94a3b8;
	--color-primary: #10b981;
	--color-primary-hover: #059669;
	--color-error: #f87171;
	--color-error-bg: rgba(248, 113, 113, 0.1);
	--color-success: #34d399;
	--color-success-bg: rgba(52, 211, 153, 0.1);
}

html,
body {
	font-family:
		-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu,
		Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
	background-color: var(--color-bg);
	color: var(--color-text);
	min-height: 100vh;
}

body {
	display: flex;
	align-items: center;
	justify-content: center;
}

.container {
	width: 100%;
	max-width: 400px;
	padding: 1rem;
}

.card {
	background-color: var(--color-card);
	border-radius: 1rem;
	padding: 2rem;
	text-align: center;
	box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

h1 {
	font-size: 1.875rem;
	font-weight: 700;
	margin-bottom: 0.5rem;
	color: var(--color-text);
}

p {
	color: var(--color-text-muted);
	margin-bottom: 1.5rem;
}

.button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.5rem;
	padding: 0.75rem 1.5rem;
	background-color: var(--color-primary);
	color: #fff;
	font-weight: 600;
	font-size: 1rem;
	border: none;
	border-radius: 0.5rem;
	text-decoration: none;
	cursor: pointer;
	transition: background-color 0.2s;
}

.button:hover {
	background-color: var(--color-primary-hover);
}

.button:focus {
	outline: 2px solid var(--color-primary);
	outline-offset: 2px;
}

.error {
	color: var(--color-error);
	background-color: var(--color-error-bg);
	padding: 1rem;
	border-radius: 0.5rem;
	margin-bottom: 1rem;
}

.success {
	color: var(--color-success);
	background-color: var(--color-success-bg);
	padding: 1rem;
	border-radius: 0.5rem;
	margin-bottom: 1rem;
}

.loading {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 1rem;
}

.spinner {
	width: 40px;
	height: 40px;
	border: 3px solid var(--color-card);
	border-top-color: var(--color-primary);
	border-radius: 50%;
	animation: spin 1s linear infinite;
}

@keyframes spin {
	to {
		transform: rotate(360deg);
	}
}