* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            background: linear-gradient(135deg, #1a2a6c, #2a3a7c);
            color: #ffffff;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 20px;
        }
        .header {
            text-align: center;
            margin-bottom: 20px;
            max-width: 800px;
        }
        h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            background: linear-gradient(to right, #4facfe, #00f2fe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
        }
        .subtitle {
            font-size: 1.2rem;
            opacity: 0.9;
            margin-bottom: 15px;
        }
        a:link {
            color: white;
            text-decoration: none;
        }
        a:visited {
            color: white;
        }
        a:hover {
            color: orange;
        }
        .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 30px;
            width: 100%;
            max-width: 1200px;
        }
        .wave-container {
            flex: 1;
            min-width: 600px;
            background: rgba(30, 40, 100, 0.6);
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            overflow: hidden;
            padding: 15px;
            backdrop-filter: blur(5px);
        }
        canvas {
            display: block;
            width: 100%;
            height: 400px;
            background: rgba(10, 20, 50, 0.7);
            border-radius: 8px;
        }
        .controls {
            flex: 0 0 300px;
            background: rgba(30, 40, 100, 0.6);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(5px);
        }
        .control-group {
            margin-bottom: 25px;
        }
        .control-group h3 {
            margin-bottom: 15px;
            color: #4facfe;
            border-bottom: 1px solid rgba(79, 172, 254, 0.3);
            padding-bottom: 8px;
        }
        .slider-container {
            margin-bottom: 18px;
        }
        .slider-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.95rem;
        }
        input[type="range"] {
            width: 100%;
            height: 8px;
            border-radius: 4px;
            background: rgba(79, 172, 254, 0.2);
            outline: none;
            -webkit-appearance: none;
        }
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #4facfe;
            cursor: pointer;
            box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
        }
        .button-group {
            display: flex;
            gap: 12px;
            margin-top: 20px;
        }
        button {
            flex: 1;
            padding: 12px;
            border: none;
            border-radius: 6px;
            background: linear-gradient(to right, #4facfe, #00f2fe);
            color: white;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
        }
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
        }
        button:active {
            transform: translateY(0);
        }
        .wave-type {
            display: flex;
            gap: 10px;
            margin-top: 10px;
        }
        .wave-option {
            flex: 1;
            padding: 10px;
            text-align: center;
            background: rgba(79, 172, 254, 0.2);
            border-radius: 6px;
            cursor: pointer;
            transition: all 0.3s;
        }
        .wave-option.active {
            background: linear-gradient(to right, #4facfe, #00f2fe);
            box-shadow: 0 0 10px rgba(79, 172, 254, 0.5);
        }
        .instructions {
            max-width: 800px;
            margin-top: 30px;
            background: rgba(30, 40, 100, 0.6);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            backdrop-filter: blur(5px);
        }
        .instructions h3 {
            color: #4facfe;
            margin-bottom: 15px;
        }
        .instructions ul {
            padding-left: 20px;
        }
        .instructions li {
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .footer {
            margin-top: 30px;
            text-align: center;
            opacity: 0.7;
            font-size: 0.9rem;
        }
        @media (max-width: 900px) {
            .container {
                flex-direction: column;
                align-items: center;
            }
            .wave-container,
            .controls {
                width: 100%;
                max-width: 600px;
            }
        }