body {
    margin: 0;
    padding: 0;
    background: #0b5e2e; /* Verde tapete */
    font-family: "Tahoma", "Segoe UI", sans-serif;
    text-align: center;
    color: #ffffff;

    display: flex;
    flex-direction: column;
    align-items: center;
}

/* Título elegante estilo cartas */
h2 {
    margin-top: 40px;
    font-size: 42px;
    color: #f5d76e; /* Dorado */
    text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
    letter-spacing: 1px;
}

/* Caja tipo mesa de juego */
.container {
    display: inline-block;
    margin-top: 50px;
    padding: 40px;
    background: #0f7a3d;
    border-radius: 12px;
    box-shadow: 
        0 0 25px rgba(0,0,0,0.6),
        inset 0 0 15px rgba(255,255,255,0.1);
    border: 2px solid #d4af37; /* Dorado elegante */
}

/* Botón estilo Windows clásico */
button {
    margin-top: 20px;
    padding: 10px 25px;
    font-size: 16px;
    font-family: inherit;
    color: #000000;
    background: linear-gradient(#ffffff, #dcdcdc);
    border: 2px solid #808080;
    border-radius: 4px;
    cursor: pointer;
}

button:hover {
    background: linear-gradient(#ffffff, #cfcfcf);
}

.back-btn {
    margin: 30px 0 60px 0;
    padding: 10px 25px;
    font-size: 16px;
    font-family: inherit;
    color: #000000;
    background: linear-gradient(#ffffff, #dcdcdc);
    border: 2px solid #808080;
    border-radius: 4px;
    cursor: pointer;
    transition: 0.1s ease;
}

.back-btn:hover {
    background: linear-gradient(#ffffff, #cfcfcf);
    transform: translateY(-1px);
}