.voice-mic-btn {
    border: none;
    background: transparent;
    cursor: pointer;
    position: absolute;
    padding: 0;
    margin: 0;
    z-index: 999999;
}

.voice-mic-icon {
    opacity: 0.75;
    transition: transform 0.2s ease, opacity 0.2s ease;
    display: block;
}

.voice-mic-btn:hover .voice-mic-icon {
    opacity: 1;
    transform: scale(1.1);
}

.voice-mic-btn.recording .voice-mic-icon {
    animation: micPulse 1s infinite;
    opacity: 1;
}

@keyframes micPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.35); }
    100% { transform: scale(1); }
}