body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f2f2f2;
}

.header {
    background: #003366;
    color: white;
    padding: 15px;
    text-align: center;
}

.container {
    max-width: 500px;
    margin: 20px auto;
    padding: 10px;
}

.card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.btn-primary, .btn-success {
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    margin-top: 10px;
}

.btn-primary {
    background: #003366;
    color: white;
}

.btn-success {
    background: #2e8b57;
    color: white;
}

.input-text {
    width: 100%;
    padding: 10px;
    margin-top: 8px;
    border-radius: 6px;
    border: 1px solid #ccc;
}

.preview img {
    width: 100%;
    margin-top: 15px;
    border-radius: 8px;
}

.ocr-result {
    margin-top: 15px;
    padding: 10px;
    background: #e8f0fe;
    border-radius: 6px;
    font-size: 14px;
}