body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
    color: white;
    background-color: #343a40;
    padding: 10px;
    border-radius: 4px;
}

.inputs {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
    font-weight: bold;
}

input[type="number"], select {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

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

.toggle {
    display: flex;
    margin-bottom: 10px;
}

.toggle input {
    display: none;
}

.toggle label {
    padding: 5px 10px;
    background: #eee;
    cursor: pointer;
    border-radius: 4px;
    margin-right: 5px;
}

.toggle input:checked + label {
    background: #007bff;
    color: white;
}

.results {
    display: flex;
    justify-content: space-around;
    margin: 30px 0;
}

.result-item {
    text-align: center;
}

.result-item h2 {
    font-size: 18px;
}

.result-item p {
    font-size: 24px;
    font-weight: bold;
}

.chart-container {
    max-width: 400px;
    margin: 0 auto;
}

@media (max-width: 600px) {
    .results {
        flex-direction: column;
    }
}