body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}

.dropzone {
    border: 2px dashed #ccc;
    border-radius: 4px;
    padding: 40px;
    text-align: center;
    margin: 30px 0;
    transition: border-color 0.3s ease;
}

.dropzone.highlight {
    border-color: #0082ba;
}

.dropzone p {
    margin: 0;
    font-size: 18px;
    color: #666;
}

#file-input {
    display: none;
}

.browse-btn {
    background-color: #0082ba;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 20px;
    font-size: 16px;
}

.browse-btn:hover {
    background-color: #2195bd;
}

#status {
    margin-top: 20px;
    padding: 10px;
    border-radius: 4px;
    display: none;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
}

.success {
    background-color: #d4edda;
    color: #155724;
}

.processing {
    background-color: #e2f3f5;
    color: #0c5460;
}