body {
    margin: 0;
    padding: 0;
    background: #111;
    color: white;
    font-family: Arial, sans-serif;

    display: flex;
    justify-content: center;
    align-items: center;

    height: 100vh;
}

.container {
    width: 90%;
    max-width: 500px;
    text-align: center;
}

#reader {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    margin-top: 20px;
}

.resultado {
    margin-top: 20px;
    padding: 15px;
    background: #222;
    border-radius: 10px;
}

.resultado h2 input {
	width: 100%;
}

button {
    margin-top: 20px;
    padding: 12px 20px;

    border: none;
    border-radius: 8px;

    background: #00aa55;
    color: white;

    font-size: 16px;
    cursor: pointer;
}

button:hover {
    background: #008844;
}