* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;

    font-family: Arial, sans-serif;

    background: #f5f5f5;
}

.container {
    width: 90%;
    max-width: 900px;

    margin: 50px auto;

    background: white;

    padding: 30px;

    border-radius: 10px;
}

h1 {
    margin-top: 0;
}

.form {
    display: flex;
    flex-direction: column;

    gap: 10px;
}

label {
    font-weight: bold;
}

input {
    padding: 12px;

    font-size: 16px;

    border: 1px solid #ccc;

    border-radius: 5px;
}

button {
    width: 120px;

    padding: 12px;

    margin-top: 5px;

    border: none;

    border-radius: 5px;

    background: #333;

    color: white;

    cursor: pointer;
}

button:hover {
    background: #555;
}

.result-container {
    margin-top: 30px;
}

pre {
    background: #f0f0f0;

    padding: 20px;

    border-radius: 5px;

    min-height: 200px;

    overflow-x: auto;

    white-space: pre-wrap;

    word-break: break-word;
}