.citc-container {
    max-width: 500px;
    margin: 30px auto;
    padding: 20px;
    border: 1px solid #ddd;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    font-family: Arial, sans-serif;
}
.citc-container h3 {
    text-align: center;
    margin-bottom: 20px;
}
#citc-form label {
    display: block;
    margin: 10px 0 5px;
    font-weight: bold;
}
#citc-form input, #citc-form select {
    width: 100%;
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 8px;
}
#calculate {
    width: 100%;
    padding: 12px;
    background: #fecd4d;
    color: #454f5e;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
}
#calculate:hover {
    background: #fecd4d;
}
#citc-result {
    margin-top: 20px;
    padding: 15px;
    border-radius: 8px;
    background: #f9f9f9;
    font-weight: bold;
}