.voice-record-btn {
    margin-left: 8px;
    border: none;
    background: #0073aa;
    color: white;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    cursor: pointer;
    font-size: 18px;
    vertical-align: middle;
    transition: all 0.2s ease;
}

.voice-record-btn:hover {
    background: #005177;
    transform: scale(1.08);
}

.voice-record-btn.recording {
    background: red;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.12); }
    100% { transform: scale(1); }
}