body {
    font-family: sans-serif;
    margin: 20px;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.container {
    background-color: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    width: 80%;
    max-width: 700px;
}

h1, h2 {
    text-align: center;
    color: #333;
}

p {
    line-height: 1.6;
    color: #555;
}

textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

button {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 18px;
    transition: background-color 0.3s ease;
    display: block;
    margin: 15px auto;
}

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

.result-box {
    margin-top: 20px;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    background-color: #f9f9f9;
}

#resultText {
    font-weight: bold;
    color: #333;
}