/* Estilo do container da calculadora */
#calculadora-roi {
    max-width: 400px;
    margin: 20px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    font-family: Arial, sans-serif;
}

/* Título */
#calculadora-roi h2 {
    font-size: 24px;
    color: #333;
    text-align: center;
    margin-bottom: 20px;
}

/* Grupos de formulário */
.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    font-size: 14px;
    color: #555;
    margin-bottom: 5px;
}

.form-group input {
    width: 100%;
    padding: 10px;
    font-size: 14px;
    border: 1px solid #ddd;
    border-radius: 5px;
    box-sizing: border-box;
}

.form-group input:focus {
    border-color: #0073aa;
    outline: none;
}

/* Botão de calcular */
#calcular-roi {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    font-weight: bold;
    color: #fff;
    background: #0073aa;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s ease;
}

#calcular-roi:hover {
    background: #005177;
}

/* Resultado */
#roi-result {
    margin-top: 20px;
    text-align: center;
}

#roi-result h3 {
    font-size: 18px;
    color: #333;
    margin-bottom: 10px;
}

#roi-result p {
    font-size: 16px;
    color: #0073aa;
    font-weight: bold;
}