body {
            font-family: Arial, sans-serif;
            max-width: 800px;
            margin: 0 auto;
            padding: 20px;
        }
    h1 {
        text-align: center;
        color: #333;
    }
    .file-list {
        margin: 30px 0;
        border: 1px solid #ddd;
        border-radius: 5px;
        padding: 15px;
    }
    .file-item {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px;
        border-bottom: 1px solid #eee;
    }
    .file-item:last-child {
        border-bottom: none;
    }
    .file-actions button {
        margin-left: 10px;
        padding: 5px 10px;
        cursor: pointer;
    }
    .upload-zone {
        border: 2px dashed #ccc;
        border-radius: 5px;
        padding: 30px;
        text-align: center;
        margin: 20px 0;
        transition: all 0.3s;
    }
    .upload-zone.highlight {
        border-color: #4CAF50;
        background-color: #f8f8f8;
    }
    .upload-zone p {
        margin: 0;
        font-size: 18px;
        color: #666;
    }
    .upload-button {
        background-color: #4CAF50;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;
        margin-top: 15px;
    }
    .upload-button:hover {
        background-color: #45a049;
    }
    .status {
        margin-top: 15px;
        padding: 10px;
        border-radius: 5px;
        display: none;
    }
    .success {
        background-color: #dff0d8;
        color: #3c763d;
        display: block;
    }
    .error {
        background-color: #f2dede;
        color: #a94442;
        display: block;
    }
    
    .upload-progress {
    margin-top: 10px;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 8px;
    max-width: 500px;
    background-color: #f7f7f7;
}

.upload-progress span {
    display: block;
    margin-bottom: 6px;
    font-weight: bold;
}

progress {
    width: 100%;
    height: 16px;
    appearance: none;
}

progress::-webkit-progress-bar {
    background-color: #eee;
    border-radius: 8px;
}

progress::-webkit-progress-value {
    background-color: #4caf50;
    border-radius: 8px;
}