.hc-calculator-container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 8px;
    background: #fefefe;
    font-family: Tahoma, sans-serif;
}

.hc-calculator-container h2, .hc-calculator-container h3 {
    text-align: center;
    color: #062433;
}

.hc-calculator-container label {
    display: block;
    margin-top: 10px;
    font-weight: bold;
}

.hc-calculator-container input {
    width: 100%;
    padding: 8px;
    margin-top: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
}

.hc-calculator-container button {
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    background: #062433;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.hc-calculator-container button:hover {
    background: #0e3b5c;
}

.hc-result {
    margin-top: 20px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
    font-weight: bold;
}