body {
            margin: 0;
            padding: 0;
            background-color: #000000; /* Fondo negro profesional */
            color: #ffffff;
            font-family: sans-serif;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            height: 100dvh; /* Altura dinámica para móvil */
            text-align: center;
        }

        .container {
            width: 85%;
            max-width: 350px;
        }

        .qr-wrapper {
            background: #ffffff;
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 0 30px rgba(197, 160, 89, 0.3); /* Un toque dorado */
            margin-bottom: 30px;
        }

        .qr-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }

        h1 {
            font-size: 1.2rem;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 10px;
            font-weight: 300;
        }

        p {
            color: #888;
            font-size: 0.9rem;
            margin-bottom: 40px;
        }

        .back-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #c5a059;
            text-decoration: none;
            border: 1px solid #c5a059;
            padding: 10px 20px;
            border-radius: 50px;
            font-size: 0.8rem;
            text-transform: uppercase;
        }