:root {
            --primary-color: #212529;
            --secondary-color: #495057;
            --accent-color: #6c757d;
            --text-color: #333333;
            --light-bg: #f8f9fa;
            --dark-bg: #212529;
            --safe-color: #28a745;
            --warning-color: #ffc107;
            --danger-color: #dc3545;
            --info-color: #17a2b8;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: "Times New Roman", Times, serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
        }
        /* Header styles */
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        header:after {
            content: "";
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 100%;
            height: 5px;
            background: linear-gradient(to right, transparent, rgba(255, 255, 255, 0.1), transparent);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 24px;
            font-weight: bold;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
            color: #adb5bd;
        }

        .nav-links {
            display: flex;
            list-style: none;
        }

        .nav-links li {
            margin-left: 30px;
        }

        .nav-links a {
            color: white;
            font-weight: 500;
            position: relative;
            text-decoration: none;
        }

        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 1px;
            background-color: white;
            transition: width 0.3s;
        }

        .nav-links a:hover {
            color: white;
        }

        .nav-links a:hover:after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            cursor: pointer;
            font-size: 24px;
        }
        /* Footer */
        footer {
            background-color: var(--dark-bg);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-about h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: white;
        }

        .footer-about p {
            margin-bottom: 20px;
            opacity: 0.8;
            line-height: 1.7;
        }

        .social-links {
            display: flex;
            gap: 15px;
        }

        .social-link {
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            transition: background-color 0.3s;
        }

        .social-link:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: white;
        }

        .footer-links h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: white;
        }

        .quick-links {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .quick-links a {
            color: rgba(255, 255, 255, 0.8);
            transition: color 0.3s;
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .quick-links a:hover {
            color: var(--accent-color);
        }

        .quick-links a i {
            margin-right: 10px;
            font-size: 14px;
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            opacity: 0.7;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        .header {
            text-align: center;
            margin-bottom: 20px;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            color: var(--primary-color);
        }

        .header p {
            font-size: 1.1rem;
            color: var(--secondary-color);
        }

        .visualization {
            position: relative;
            background-color: #000;
            border-radius: 8px;
            height: 500px;
            overflow: hidden;
            margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
        }

        #canvas {
            width: 100%;
            height: 100%;
        }

        .controls-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        @media (max-width: 768px) {
            .controls-container {
                grid-template-columns: 1fr;
            }
        }

        .control-panel {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .panel-title {
            margin-top: 0;
            margin-bottom: 15px;
            font-size: 1.2rem;
            color: var(--primary-color);
            border-bottom: 1px solid #eee;
            padding-bottom: 10px;
        }

        .control-group {
            margin-bottom: 15px;
        }

        .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 15px;
        }

        .btn {
            padding: 8px 16px;
            border: none;
            border-radius: 4px;
            background-color: var(--primary-color);
            color: white;
            font-family: inherit;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .btn:active {
            transform: translateY(0);
        }

        .btn-primary {
            background-color: var(--primary-color);
        }

        .btn-success {
            background-color: var(--safe-color);
        }

        .btn-danger {
            background-color: var(--danger-color);
        }

        .btn-warning {
            background-color: var(--warning-color);
            color: #000;
        }

        .btn-info {
            background-color: var(--info-color);
        }

        .form-group {
            margin-bottom: 15px;
        }

        .form-group label {
            display: block;
            margin-bottom: 5px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 8px 12px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: inherit;
            font-size: 0.9rem;
        }

        .slider-container {
            display: flex;
            align-items: center;
        }

        .slider {
            flex-grow: 1;
            margin-right: 10px;
        }

        .slider-value {
            min-width: 40px;
            text-align: right;
        }

        .logs-container {
            background-color: #000;
            color: #33ff00; /* Terminal green */
            font-family: 'Courier New', monospace;
            padding: 15px;
            border-radius: 8px;
            height: 200px;
            overflow-y: auto;
            margin-bottom: 20px;
        }

        .log-entry {
            margin-bottom: 5px;
            line-height: 1.4;
        }

        .log-timestamp {
            color: #888;
            margin-right: 8px;
        }

        .log-info {
            color: #33ff00;
        }

        .log-warning {
            color: #ffc107;
        }

        .log-danger {
            color: #dc3545;
        }

        .log-success {
            color: #28a745;
        }

        .stats-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin-bottom: 20px;
        }

        .stat-card {
            background-color: white;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
            position: relative;
            overflow: hidden;
        }

        .stat-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 4px;
        }

        .stat-card.stat-normal::after {
            background-color: var(--safe-color);
        }

        .stat-card.stat-warning::after {
            background-color: var(--warning-color);
        }

        .stat-card.stat-danger::after {
            background-color: var(--danger-color);
        }

        .stat-card.stat-info::after {
            background-color: var(--info-color);
        }

        .stat-title {
            font-size: 0.9rem;
            color: var(--secondary-color);
            margin-bottom: 5px;
        }

        .stat-value {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 5px;
        }

        .stat-desc {
            font-size: 0.8rem;
            color: var(--accent-color);
        }

        .tooltip {
            position: absolute;
            background-color: rgba(33, 37, 41, 0.9);
            color: white;
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 0.9rem;
            max-width: 250px;
            z-index: 1000;
            pointer-events: none;
            opacity: 0;
            transition: opacity 0.2s;
        }

        .legend {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 20px;
            padding: 10px 15px;
            background-color: white;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .legend-item {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
        }

        .legend-color {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            margin-right: 8px;
        }

        .instructions {
            background-color: white;
            border-radius: 8px;
            padding: 20px;
            margin-bottom: 20px;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
        }

        .instructions h3 {
            margin-top: 0;
            margin-bottom: 15px;
            font-size: 1.2rem;
            color: var(--primary-color);
            border-bottom: 1px solid #eee;
            padding-bottom: 10px;
        }

        .instructions ul {
            padding-left: 20px;
        }

        .instructions li {
            margin-bottom: 8px;
        }