body {
    background-color: #121212;
    color: #e0e0e0;
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    flex-direction: column;
}

input[type="text"] {
    padding: 10px;
    width: 300px;
    border-radius: 5px;
    border: none;
    margin-bottom: 10px;
    background-color: #1f1f1f;
    color: #e0e0e0;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    background-color: #6200ea;
    color: white;
    cursor: pointer;
}

#error {
    color: red;
}

#result {
    margin-top: 15px;
    font-size: 1rem;
}