.qr-container {
    max-width: 400px;
    margin: 50px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
    font-family: "Segoe UI", sans-serif;
}

.qr-container h2 {
    color: #333;
    margin-bottom: 10px;
}

.qr-container img {
    margin: 20px 0;
    border-radius: 8px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.qr-container button {
    background: #0073aa;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s;
}

.qr-container button:hover {
    background: #005f87;
}