/* ================== FORMULARIO ================== */
form {
    width: 40%;
    margin: 20px auto;
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 3px 15px rgba(0,0,0,0.15);
}

form input[type="password"] {
    width: 80%;
    padding: 12px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #bbb;
    transition: 0.3s ease;
}