.reading-time {
        background: #f8f8f8;
        padding: 10px;
        margin-bottom: 20px;
        border-radius: 5px;
        font-size: 0.9em;
        color: #666;
    }
    
    #reading-progress-bar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 4px;
        z-index: 9999;
        background: #f0f0f0;
    }
    
    #reading-progress {
        width: 0;
        height: 100%;
        background: #2196F3;
        transition: width 0.3s ease;
    }