body {
    background-color: #f8f9fa;
}

/* Pulsing mic animation during recording */
@keyframes pulse-red {
    0% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0.7); }
    50% { box-shadow: 0 0 0 10px rgba(220, 53, 69, 0); }
    100% { box-shadow: 0 0 0 0 rgba(220, 53, 69, 0); }
}

.mic-recording {
    animation: pulse-red 1.2s infinite;
}