<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Solar System Animation</title>
    <style>
        body,
        html {
            margin: 0;
            padding: 0;
            overflow: hidden;
        }

        canvas {
            display: block;
        }
    </style>
</head>

<body>
    <canvas id="solarSystem"></canvas>
    <script>
        // ... existing code ...
        const canvas = docume