#roi-forge-calculator-wrapper {
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 5px;
    padding: 25px;
    max-width: 600px;
    margin: 20px auto;
    font-family: sans-serif;
}

#roi-forge-calculator-wrapper h2 {
    text-align: center;
    margin-top: 0;
    margin-bottom: 20px;
    color: #333;
}

#roi-calculator-form fieldset {
    border: 1px solid #ccc;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 20px;
}

#roi-calculator-form legend {
    font-weight: bold;
    padding: 0 10px;
    color: #444;
}

#roi-calculator-form p {
    margin-bottom: 15px;
}

#roi-calculator-form label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #555;
}

#roi-calculator-form input,
#roi-calculator-form select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
}

#roi-calculator-form button {
    display: block;
    width: 100%;
    padding: 12px;
    background-color: #007cba;
    color: #fff;
    border: none;
    border-radius: 4px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.2s;
}

#roi-calculator-form button:hover {
    background-color: #005a87;
}

#roi-calculator-results {
    margin-top: 25px;
    padding: 20px;
    background-color: #eaf6fd;
    border: 1px solid #bde0f5;
    border-radius: 5px;
}

#roi-calculator-results h3 {
    margin-top: 0;
    color: #005a87;
}

.result-highlight {
    font-size: 1.5em;
    font-weight: bold;
    color: #2a8a00;
}