.powerzonecalc form {
    max-width: 400px;
    margin: 0 auto;
    padding: 10px;
    border: 1px solid #000000;
    border-radius: 10px;
    background-color: #f9f9f9;
    display: flex;
    flex-direction: column;
    gap: 10px;
}


.powerzonecalc label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    color: #000000 !important;
}


.powerzonecalc input[type="number"],
select {
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #B20202;
    font-size: 14px;
    width: 100%;
    box-sizing: border-box;
}


.powerzonecalc select {
    background-color: #fff;
    color: #333;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    cursor: pointer;
}


.powerzonecalc select option {
    padding: 5px;
}


.powerzonecalc select option:hover {
    background-color: #B20202 !important; 
    color: #000; 
}


.powerzonecalc button {
    display: block;
    width: 100%;
    padding: 10px;
    background-color: #B20202;
    color: white;
    border: none;
    border-radius: 5px !important;
    cursor: pointer;
    font-size: 16px;
}

.powerzonecalc button:hover {
    background-color: #8e0202;
}


.powerzonecalc #resultado {
    padding: 10px;
    border: 1px solid #B20202;
    border-radius: 5px;
    background-color: #fcdfdf;
    color: #B20202;
    text-align: center;
    font-size: 16px;
    display: none;
    margin-top: 10px;
}


.powerzonecalc option {
    padding: 5px;
}


.powerzonecalc .form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}