/* --- ESTILO DEL BOTÓN FLOTANTE DE MÚSICA (UNIFICADO) --- */
.music-btn {
    position: fixed;
    bottom: 100px; /* Separado del botón de WhatsApp */
    right: 20px;
    width: 60px;     /* Igual que WhatsApp */
    height: 60px;    /* Igual que WhatsApp */
    border-radius: 50%;
    background: var(--primary-color-dark);
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 28px;  /* Leve aumento para proporcionalidad */
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0,0,0,0.3); 
    transition: transform 0.3s ease, background 0.3s ease;
    z-index: 100;
    overflow: visible;
}

.music-btn:hover {
    background: var(--primary-color);
}

/* --- ONDAS DE ANIMACIÓN (AJUSTADAS AL NUEVO TAMAÑO) --- */
.wave {
    position: absolute;
    width: 60px;   /* Igual al botón */
    height: 60px;  /* Igual al botón */
    border-radius: 50%;
    border: 2px solid rgba(37, 211, 102, 0.6);
    top: 0;
    left: 0;
    opacity: 0;
    pointer-events: none;
}

.wave1 {
    animation: pulse 2s infinite;
}

.wave2 {
    animation: pulse 2s infinite;
    animation-delay: 1s;
}

.music-btn.paused .wave {
    display: none;
}

@keyframes pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.7);
        opacity: 0;
    }
}