body {
    font-family: Arial, sans-serif;
    max-width: 800px;
    margin: 50px auto;
    padding: 20px;
    background-color: #f5f5f5;
}

.container {
    background-color: white;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

h1 {
    color: #333;
    border-bottom: 2px solid #007bff;
    padding-bottom: 10px;
}

h2 {
    color: #333;
    margin-top: 30px;
}

.upload-form {
    margin: 20px 0;
}

.form-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="file"] {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
}

button:hover {
    background-color: #0056b3;
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
}

.message {
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
}

.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.file-list {
    margin-top: 20px;
}

.file-item {
    padding: 10px;
    margin: 5px 0;
    background-color: #f8f9fa;
    border-radius: 4px;
    border-left: 4px solid #007bff;
}

.hint {
    background-color: #fff3cd;
    color: #856404;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
    border: 1px solid #ffeeba;
}

.hint h3 {
    margin-top: 0;
}

.hint ul {
    margin-bottom: 10px;
}

.hint p {
    margin: 5px 0;
}

.scan-info {
    margin-top: 30px;
    padding: 15px;
    background-color: #e7f3ff;
    border-radius: 4px;
    border-left: 4px solid #007bff;
}

.scan-info h3 {
    margin-top: 0;
    color: #0c5460;
}

.scan-info p {
    margin: 5px 0;
    color: #0c5460;
}

.scan-info span {
    font-weight: bold;
    color: #007bff;
}