body {
            margin: 0;
            padding: 20px;
            background-color: #1a1a2e;
            color: #e6e6e6;
            display: flex;
            flex-direction: column;
            align-items: center;
            min-height: 100vh;
        }
        h1 {
            margin-bottom: 10px;
            color: #4cc9f0;
            text-align: center;
        }
        .description {
            max-width: 800px;
            text-align: center;
            margin-bottom: 20px;
            line-height: 1.5;
        }
        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            width: 100%;
            max-width: 1200px;
        }
        .canvas-container {
            flex: 1;
            min-width: 500px;
            max-width: 800px;
            background-color: #16213e;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
            overflow: hidden;
        }
        canvas {
            display: block;
            width: 100%;
            height: 500px;
        }
        .controls {
            flex: 0 0 300px;
            background-color: #16213e;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
        .control-group {
            margin-bottom: 20px;
        }
        .control-group h3 {
            margin-top: 0;
            margin-bottom: 15px;
            color: #4cc9f0;
            border-bottom: 1px solid #2d3746;
            padding-bottom: 5px;
        }
        .slider-container {
            display: flex;
            flex-direction: column;
            margin-bottom: 15px;
        }
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
        }
        input[type="range"] {
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: #2d3746;
            outline: none;
            -webkit-appearance: none;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: #4cc9f0;
            cursor: pointer;
        }
        .color-scheme {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }
        .color-option {
            flex: 1;
            padding: 8px;
            text-align: center;
            background-color: #2d3746;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        .color-option.active {
            background-color: #4cc9f0;
            color: #1a1a2e;
        }
        .legend {
            display: flex;
            justify-content: space-between;
            margin-top: 10px;
            font-size: 12px;
        }
        .instructions {
            margin-top: 30px;
            max-width: 800px;
            background-color: #16213e;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
        }
        .instructions h3 {
            color: #4cc9f0;
            margin-top: 0;
        }
        .instructions ul {
            padding-left: 20px;
        }
        .instructions li {
            margin-bottom: 8px;
            line-height: 1.4;
        }
        @media (max-width: 900px) {
            .container {
                flex-direction: column;
                align-items: center;
            }
            .canvas-container,
            .controls {
                width: 100%;
                max-width: 800px;
            }
        }
        a:link {
            color: white;
            text-decoration: none;
        }
        a:visited {
            color: white;
        }
        a:hover {
            color: orange;
        }