/* Estilos de la calculadora */
#ca-form {
    max-width: 400px;
    background: #fff;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
#ca-form label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}
#ca-form input {
    width: 100%;
    padding: 6px;
    margin-top: 5px;
}
#ca-form button {
    margin-top: 15px;
    background: #0073aa;
    color: white;
    padding: 8px 14px;
    border: none;
    cursor: pointer;
}