* { font-family: sans-serif; }
body { background: #f9f7f4; display: flex; justify-content: center; align-items: center; height: 100vh; margin: 0; }
img.bg {
	/* full background */
	min-height: 100%;
	min-width: 2560px;

	/* proportionate scaling */
	width: 100%;
	height: auto;

	/* positioning */
	position: fixed;
	top: 0;
	left: 0;
	z-index: -1;
}
h2 { color: #333; margin-top: 0; }
.header {
	position: absolute;
	background: rgba(255,255,255,1.0);
	box-shadow: 0px 2px 10px 10px rgba(235,53,37,0.5), 0px 2px 2px 2px #eb3525;
	width: 100%;
	height: auto;
	top: 0;
	left: 0;
}
.logo-box {
	display: flex;
	width: 100%;
	justify-content: space-between;
}
.logo-box img{
	height: 50px;
	padding: 20px;
}
.card {
	background: white;
	padding: 2rem;
	border-radius: 8px;
	box-shadow: 0 4px 10px rgba(0,0,0,0.1);
	width: 100%;
	max-width: 400px;
}
.qr-box {
	margin: 20px 0;
	border: 1px solid #ddd;
	padding: 10px;
	display: inline-block;
}
.secret-text {
	font-family: monospace;
	background: #eee;
	padding: 5px;
}
.error {
	background: #fee2e2;
	color: #b91c1c;
	padding: 0.75rem;
	border-radius: 4px;
	margin-bottom: 1rem;
	font-size: 0.9rem;
	border: 1px solid #fecaca;
}
input { width: 100%; padding: 0.75rem; margin: 0.5rem 0 1.25rem 0; border: 1px solid #ddd; border-radius: 4px; box-sizing: border-box; }
button { width: 100%; padding: 0.75rem; background: #eb3525; color: white; border: none; border-radius: 4px; cursor: pointer; font-weight: bold; }
button:hover { background: #c82e1d; }
.info { font-size: 0.8rem; color: #666; text-align: center; margin-top: 1rem; }