.post-voice-player {
    transition: all 0.3s ease;
}
.post-voice-player:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.voice-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: 10px;
    vertical-align: middle;
}
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}