* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            min-height: 100vh;
            padding: 20px;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h1 {
            text-align: center;
            font-size: 2.5em;
            margin-bottom: 10px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .subtitle {
            text-align: center;
            font-size: 1.2em;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .simulation-area {
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 30px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        canvas {
            width: 100%;
            max-width: 800px;
            height: 400px;
            background: #000;
            border-radius: 10px;
            display: block;
            margin: 0 auto 20px auto;
            border: 2px solid #4CAF50;
        }
        
        .controls {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
            margin-bottom: 20px;
        }
        
        .control-group {
            background: rgba(255,255,255,0.1);
            padding: 20px;
            border-radius: 15px;
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        .control-group h3 {
            margin-bottom: 15px;
            color: #FFD700;
            font-size: 1.3em;
        }
        
        .control-item {
            margin-bottom: 15px;
        }
        
        .control-item label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        
        input[type="range"] {
            width: 100%;
            height: 6px;
            border-radius: 5px;
            background: #ddd;
            outline: none;
            opacity: 0.7;
            transition: opacity 0.2s;
        }
        
        input[type="range"]:hover {
            opacity: 1;
        }
        
        input[type="range"]::-webkit-slider-thumb {
            appearance: none;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #4CAF50;
            cursor: pointer;
        }
        
        .value-display {
            display: inline-block;
            background: rgba(76, 175, 80, 0.2);
            padding: 4px 8px;
            border-radius: 5px;
            margin-left: 10px;
            min-width: 60px;
            text-align: center;
        }
        
        .theory-section {
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 30px;
            margin-top: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
        }
        
        .theory-section h2 {
            color: #FFD700;
            margin-bottom: 20px;
            font-size: 1.8em;
        }
        
        .theory-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }
        
        .theory-card {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #4CAF50;
        }
        
        .theory-card h3 {
            color: #4CAF50;
            margin-bottom: 10px;
        }
        
        .interference-info {
            display: flex;
            justify-content: space-around;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        
        .info-box {
            background: rgba(76, 175, 80, 0.2);
            padding: 15px;
            border-radius: 10px;
            margin: 5px;
            text-align: center;
            flex: 1;
            min-width: 200px;
        }
        
        .play-pause-btn {
            background: #4CAF50;
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 25px;
            font-size: 1.1em;
            cursor: pointer;
            transition: all 0.3s;
            margin: 10px;
        }
        
        .play-pause-btn:hover {
            background: #45a049;
            transform: scale(1.05);
        }
        
        .reset-btn {
            background: #f44336;
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 25px;
            font-size: 1.1em;
            cursor: pointer;
            transition: all 0.3s;
            margin: 10px;
        }
        
        .reset-btn:hover {
            background: #da190b;
            transform: scale(1.05);
        }
        
        .button-group {
            text-align: center;
            margin-top: 20px;
        }

        .experiment-section {
            background: rgba(255,255,255,0.1);
            border-radius: 20px;
            padding: 30px;
            margin-top: 20px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .experiment-card {
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 10px;
            border-left: 4px solid #FF6B6B;
            margin-bottom: 15px;
        }

        .experiment-card h4 {
            color: #FF6B6B;
            margin-bottom: 10px;
        }

        .quick-set-btn {
            background: #FF6B6B;
            color: white;
            border: none;
            padding: 8px 16px;
            border-radius: 15px;
            font-size: 0.9em;
            cursor: pointer;
            transition: all 0.3s;
            margin: 5px;
        }

        .quick-set-btn:hover {
            background: #e55a5a;
            transform: scale(1.05);
        }