:root {
            --primary-color: #3498db;
            --secondary-color: #2c3e50;
            --accent-color: #e74c3c;
            --bg-gradient-start: #0f2027;
            --bg-gradient-mid: #203a43;
            --bg-gradient-end: #2c5364;
            --panel-bg: rgba(44, 62, 80, 0.7);
            --text-light: #ecf0f1;
            --text-muted: #bdc3c7;
        }
        
        body {
            font-family: 'Arial', sans-serif;
            max-width: 900px;
            margin: 0 auto;
            padding: 20px;
            background: linear-gradient(135deg, var(--bg-gradient-start), var(--bg-gradient-mid), var(--bg-gradient-end));
            color: var(--text-light);
            min-height: 100vh;
        }
        
        h1 {
            color: var(--text-light);
            text-align: center;
            margin-bottom: 30px;
            font-size: 2.5rem;
            text-shadow: 0 0 10px rgba(52, 152, 219, 0.5);
            position: relative;
            padding-bottom: 15px;
        }
        
        h1::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
            border-radius: 3px;
        }
        
        .control-panel {
            background: var(--panel-bg);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 30px;
            backdrop-filter: blur(5px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .slider-container {
            margin: 20px 0;
            position: relative;
        }
        
        label {
            display: inline-block;
            width: 150px;
            font-weight: bold;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-light);
        }
        
        input[type="range"] {
            width: 100%;
            height: 8px;
            -webkit-appearance: none;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-color)) 0/100% 100% no-repeat #ddd;
            border-radius: 10px;
            outline: none;
            margin: 10px 0;
        }
        
        input[type="range"]::-webkit-slider-thumb {
            -webkit-appearance: none;
            width: 20px;
            height: 20px;
            background: var(--text-light);
            border-radius: 50%;
            cursor: pointer;
            box-shadow: 0 0 5px rgba(0,0,0,0.5);
            transition: all 0.2s;
        }
        
        input[type="range"]::-webkit-slider-thumb:hover {
            transform: scale(1.2);
            background: var(--accent-color);
        }
        
        .value-display {
            display: inline-block;
            width: 80px;
            text-align: center;
            margin-left: 15px;
            padding: 5px 10px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 5px;
            font-family: 'Courier New', monospace;
            font-weight: bold;
            color: var(--primary-color);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        
        .button-group {
            display: flex;
            gap: 15px;
            margin-top: 25px;
        }
        
        button {
            background: linear-gradient(135deg, var(--primary-color), #2980b9);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: bold;
            flex: 1;
            transition: all 0.3s;
            box-shadow: 0 4px 15px rgba(41, 128, 185, 0.3);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        button:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(41, 128, 185, 0.4);
        }
        
        button:active {
            transform: translateY(0);
        }
        
        #reset-btn {
            background: linear-gradient(135deg, #95a5a6, #7f8c8d);
            box-shadow: 0 4px 15px rgba(149, 165, 166, 0.3);
        }
        
        #reset-btn:hover {
            box-shadow: 0 6px 20px rgba(149, 165, 166, 0.4);
        }
        
        canvas {
            background: rgba(0, 0, 0, 0.2);
            border-radius: 8px;
            display: block;
            margin: 0 auto 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .equation {
            text-align: center;
            margin: 25px 0;
            font-size: 1.2rem;
            font-family: 'Courier New', monospace;
            background: var(--panel-bg);
            padding: 15px;
            border-radius: 8px;
            color: var(--primary-color);
            backdrop-filter: blur(5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .footer {
            text-align: center;
            margin-top: 40px;
            color: var(--text-muted);
            font-size: 0.9rem;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        
        .explosion {
            position: absolute;
            width: 40px;
            height: 40px;
            background: radial-gradient(circle, #f39c12, #e74c3c);
            border-radius: 50%;
            pointer-events: none;
            opacity: 0;
            transform: scale(0);
            transition: transform 0.3s ease-out, opacity 0.3s;
            z-index: 100;
            box-shadow: 0 0 20px #f39c12;
        }
        
        .explosion::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle, transparent 60%, #f39c12 100%);
            border-radius: 50%;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(243, 156, 18, 0.7); }
            70% { box-shadow: 0 0 0 15px rgba(243, 156, 18, 0); }
            100% { box-shadow: 0 0 0 0 rgba(243, 156, 18, 0); }
        }
        
        .simulation-container {
            position: relative;
        }