.ai-tts-controls {
    margin: 12px 0;
    padding: 8px;
    border: 1px solid #eee;
    background: #fafafa;
    border-radius: 6px;
    line-height: 28px;
}

.ai-tts-controls button {
    margin-left: 6px;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid #ccc;
    background: #fff;
    cursor: pointer;
}

.ai-tts-controls button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}