body {
    font-family: Arial, sans-serif;
    background: #f5f5f5;
    padding: 20px;
}
.container {
    max-width: 600px;
    margin: auto;
    background: white;
    padding: 20px;
    border-radius: 10px;
}
input[type="text"], textarea {
    width: 100%;
    padding: 10px;
    margin-top: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
}
button {
    padding: 10px 15px;
    background: #28a745;
    color: white;
    border: none;
    border-radius: 5px;
}
.result {
    background: #f0f8ff;
    padding: 15px;
    margin-top: 10px;
    border-left: 4px solid #007bff;
}