/* voice.css */
.voice-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 10000;
    background: #007cba;
    color: white;
    border: none;
    border-radius: 5px;
    padding: 12px 20px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    transition: all 0.3s;
}

.voice-btn:hover {
    background: #005a87;
    transform: translateY(-2px);
}

.voice-btn.playing {
    background: #dc3545;
}

.voice-block-btn {
    background: #28a745;
    color: white;
    border: none;
    border-radius: 3px;
    padding: 5px 10px;
    cursor: pointer;
    font-size: 12px;
    margin: 5px 0;
    transition: all 0.3s;
}

.voice-block-btn:hover {
    background: #218838;
}

.voice-block-btn.playing {
    background: #dc3545;
}

.voice-text-highlight {
    background-color: #fff9c4 !important;
    transition: background-color 0.3s;
}

.text-block {
    position: relative;
    margin: 10px 0;
    padding: 10px;
    border-left: 3px solid #007cba;
}