body {
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 50%, #fbc2eb 100%); /* Fondo colorido tipo Incredibox */
    font-family: "Comic Neue", "Segoe UI", Arial, sans-serif;
    text-align: center;
    color: #222;

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

/* Título estilo musical */
h2 {
    margin-top: 60px;
    font-size: 48px;
    color: #ffcc00; /* Amarillo brillante tipo luces de estudio */
    font-weight: 800;
    text-shadow: 2px 2px #ff4da6, -2px -2px #4da6ff; /* Sombras multicolor vibrante */
    animation: pulse 2s infinite alternate;
}

/* Animación de pulso tipo beat */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Caja estilo panel musical */
.container {
    margin-top: 50px;
    padding: 40px 55px;
    background: rgba(255,255,255,0.9);
    border-radius: 20px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    border: 2px solid #ff66cc;
    backdrop-filter: blur(4px);
}

/* Botones estilo Incredibox */
button {
    margin-top: 20px;
    padding: 16px 32px;
    font-size: 18px;
    font-family: inherit;
    color: white;
    background: linear-gradient(45deg, #ff4da6, #ffcc00); /* degradado vibrante */
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 700;
    transition: 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

button:hover {
    background: linear-gradient(45deg, #ffcc00, #ff4da6);
    transform: scale(1.1) rotate(-3deg);
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

/* Botón secundario estilo “beat” */
.back-btn {
    margin: 30px 0 60px 0;
    padding: 16px 36px;
    font-size: 18px;
    font-family: inherit;
    color: white;
    background: linear-gradient(45deg, #4da6ff, #ff66cc); /* colores vibrantes tipo música */
    border: none;
    border-radius: 16px;
    cursor: pointer;
    font-weight: 700;
    transition: 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.25);
}

.back-btn:hover {
    background: linear-gradient(45deg, #ff66cc, #4da6ff);
    transform: scale(1.1) rotate(3deg);
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}