body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

h1 {
    text-align: center;
    color: white;
    background-color: #343a40;
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 30px;
}

h2 {
    text-align: center;
    color: #333;
}

.input-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: bold;
    color: #555;
}

input[type="text"],
input[type="number"],
select {
    width: 100%;
    padding: 10px;
    box-sizing: border-box;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 16px;
}

input[type="range"] {
    width: 100%;
    margin-top: 10px;
}

.outputs {
    margin-top: 30px;
}

.outputs p {
    font-size: 18px;
    margin: 10px 0;
    color: #333;
}

#chart {
    max-width: 300px;
    margin: 20px auto;
}

@media (max-width: 767px) {
    .container {
        padding: 15px;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 20px;
    }
}