body {
    font-family: Arial, sans-serif;
    display: flex;
    justify-content: center;
    padding-top: 30px;
}

.box {
    border: 1px solid #4a7bb0;
    padding: 20px;
    width: 550px;
}

h3 {
    margin-top: 0;
    font-size: 16px;
}

.chart-types {
    border: 1px solid #cbd5e1;
    padding: 8px 12px;
    margin-bottom: 15px;
    font-size: 13px;
}

.chart-types legend {
    font-size: 12px;
    padding: 0 5px;
    color: #555;
}

.chart-types label {
    margin-right: 15px;
}

.form-group {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
}

.form-group label {
    width: 60px;
}

.form-group input[type="text"] {
    padding: 3px 5px;
    font-size: 13px;
    border: 1px solid #ccc;
}

#labelsInput {
    width: 300px;
}

#valuesInput {
    width: 200px;
    margin-right: 10px;
}

button {
    padding: 3px 8px;
    font-size: 12px;
    cursor: pointer;
}

#chartContainer {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 15px;
    min-height: 350px;
}