body {
            margin: 0;
            padding: 0;
            background-color: #121212;
            color: #e0e0e0;
            overflow: hidden;
        }
        #container {
            position: absolute;
            width: 100%;
            height: 100%;
        }
        #ui {
            position: absolute;
            top: 20px;
            left: 20px;
            background-color: rgba(30, 30, 40, 0.8);
            padding: 20px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            max-width: 300px;
            backdrop-filter: blur(5px);
        }
        h1 {
            margin-top: 0;
            color: #4cc9f0;
            font-size: 1.5em;
            margin-bottom: 15px;
        }
        .control-group {
            margin-bottom: 15px;
        }
        .control-group h3 {
            margin: 0 0 10px 0;
            color: #8a8aff;
            font-size: 1em;
        }
        .slider-container {
            margin-bottom: 10px;
        }
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 5px;
            font-size: 0.9em;
        }
        input[type="range"] {
            width: 100%;
            height: 6px;
            border-radius: 3px;
            background: #2d3746;
            outline: none;
            -webkit-appearance: none;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: #4cc9f0;
            cursor: pointer;
        }
        .buttons {
            display: flex;
            gap: 10px;
            margin-top: 15px;
        }
        button {
            flex: 1;
            padding: 8px 12px;
            background-color: #2d3746;
            color: #e0e0e0;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.2s;
        }
        button:hover {
            background-color: #4cc9f0;
            color: #121212;
        }
        .legend {
            display: flex;
            justify-content: space-between;
            margin-top: 5px;
            font-size: 0.8em;
            color: #8a8aff;
        }
        #instructions {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background-color: rgba(30, 30, 40, 0.8);
            padding: 15px;
            border-radius: 10px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
            max-width: 300px;
            backdrop-filter: blur(5px);
            font-size: 0.9em;
        }
        #instructions h3 {
            margin-top: 0;
            color: #4cc9f0;
        }
        #instructions ul {
            padding-left: 20px;
            margin: 0;
        }
        #instructions li {
            margin-bottom: 5px;
        }
        a:link {
            color: white;
            text-decoration: none;
        }
        a:visited {
            color: white;
        }
        a:hover {
            color: orange;
        }