body {
    background: #0b0b0b;
    color: white;
    font-family: Arial, sans-serif;
    text-align: center;
    padding: 40px;
}
h1 {
    font-size: 32px;
    margin-bottom: 10px;
    color: #e50914;
}
.box {
    background: #111;
    padding: 25px;
    width: 350px;
    margin: auto;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(255,0,0,0.2);
}
input {
    width: 90%;
    padding: 12px;
    margin-top: 15px;
    border-radius: 5px;
    border: none;
    background: #222;
    color: white;
    font-size: 16px;
}
button {
    width: 95%;
    padding: 12px;
    margin-top: 20px;
    background: #e50914;
    border: none;
    border-radius: 5px;
    color: white;
    font-size: 18px;
    cursor: pointer;
}
button:hover {
    background: #b20710;
}
#resultado {
    margin-top: 25px;
    font-size: 20px;
    color: #e50914;
}