* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Poppins', sans-serif;
        }

        body {
            background: linear-gradient(135deg, #000000 0%, #2c2c2c 100%);
            color: #f1f1f1;
            min-height: 100vh;
            padding: 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            opacity: 0;
            animation: fadeIn 1s forwards;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
            }
        }

        .loading-screen {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #000000 0%, #2c2c2c 100%);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease-out;
        }

        .loader {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            border-top: 5px solid #ffffff;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .loading-text {
            color: white;
            font-size: 18px;
            font-weight: 500;
        }

        .welcome-screen {
            text-align: center;
            max-width: 800px;
            padding: 40px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            backdrop-filter: blur(10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            animation: scaleIn 0.8s ease-out;
        }

        @keyframes scaleIn {
            from {
                transform: scale(0.9);
                opacity: 0;
            }
            to {
                transform: scale(1);
                opacity: 1;
            }
        }

        .welcome-screen h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            background: linear-gradient(to right, #fff, #aaa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 10px rgba(255, 255, 255, 0.1);
        }

        .welcome-screen p {
            font-size: 1.2rem;
            margin-bottom: 30px;
            color: #e1e1e1;
            line-height: 1.6;
        }

        .welcome-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .welcome-button {
            display: flex;
            align-items: center;
            padding: 15px 30px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: none;
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            font-size: 1.1rem;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .welcome-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .welcome-button i {
            margin-right: 10px;
            font-size: 1.3rem;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: none;
            animation: slideUp 0.5s ease-out;
        }

        @keyframes slideUp {
            from {
                transform: translateY(20px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px;
            background: rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .back-button {
            display: flex;
            align-items: center;
            padding: 10px 15px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
        }

        .back-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .back-button i {
            margin-right: 8px;
        }

        .header-right {
            display: flex;
            gap: 10px;
        }

        .action-button {
            display: flex;
            align-items: center;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.1);
            color: white;
            border: none;
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-weight: 500;
            backdrop-filter: blur(5px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.85rem;
        }

        .action-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .action-button i {
            margin-right: 5px;
            font-size: 0.9rem;
        }

        .main-content {
            display: flex;
            padding: 20px;
            gap: 20px;
        }

        @media (max-width: 768px) {
            .main-content {
                flex-direction: column;
            }
            
            .welcome-screen {
                padding: 20px;
            }
            
            .welcome-screen h1 {
                font-size: 2rem;
            }
            
            .welcome-actions {
                flex-direction: column;
                align-items: center;
            }
            
            .welcome-button {
                width: 100%;
                justify-content: center;
            }
            
            .code-selection {
                grid-template-columns: 1fr;
            }
        }

        .code-container {
            flex: 2;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 15px;
        }

        .code-header h2 {
            font-size: 1.5rem;
            color: #ffffff;
        }

        .code-content {
            background: #1a1a1a;
            color: #f8f9fa;
            border-radius: 8px;
            padding: 20px;
            overflow-x: auto;
            font-family: 'Courier New', monospace;
            line-height: 1.5;
            max-height: 500px;
            overflow-y: auto;
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .code-content pre {
            margin: 0;
        }

        .statistics-container {
            flex: 1;
            background: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
            padding: 20px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .statistics-container h2 {
            font-size: 1.5rem;
            color: #ffffff;
            margin-bottom: 15px;
        }

        .stats-card {
            background: rgba(0, 0, 0, 0.3);
            border-radius: 8px;
            padding: 15px;
            margin-bottom: 15px;
            box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .stats-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        .stats-card h3 {
            font-size: 1rem;
            color: #aaaaaa;
            margin-bottom: 10px;
        }

        .stats-value {
            font-size: 1.8rem;
            font-weight: 600;
            color: #ffffff;
        }

        .footer {
            text-align: center;
            padding: 20px;
            color: #aaaaaa;
            font-size: 0.9rem;
            background: rgba(0, 0, 0, 0.2);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .notification {
            position: fixed;
            bottom: 20px;
            right: 20px;
            padding: 15px 25px;
            background: rgba(255, 255, 255, 0.9);
            color: #000;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.3s ease;
            z-index: 1000;
            font-weight: 500;
        }

        .notification.show {
            opacity: 1;
            transform: translateY(0);
        }
        
        .feature-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin: 30px 0;
        }
        
        .feature-item {
            flex: 1;
            min-width: 200px;
            background: rgba(255, 255, 255, 0.03);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
            cursor: default;
            position: relative;
            overflow: hidden;
        }
        
        .feature-item::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, rgba(255,255,255,0.1), transparent);
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        
        .feature-item:hover::before {
            opacity: 1;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
            border-color: rgba(255, 255, 255, 0.2);
        }
        
        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
            color: #fff;
        }
        
        .feature-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: #fff;
        }
        
        .feature-item p {
            color: #aaa;
            font-size: 0.9rem;
        }
        
        .code-selection {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 30px;
            width: 100%;
            max-width: 800px;
        }
        
        .code-item {
            background: rgba(255, 255, 255, 0.03);
            padding: 20px;
            border-radius: 12px;
            text-align: left;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: all 0.3s ease;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .code-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        
        .code-item-content {
            flex: 1;
        }
        
        .code-item h3 {
            font-size: 1.2rem;
            margin-bottom: 5px;
            color: #fff;
        }
        
        .code-item p {
            color: #aaa;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }
        
        .code-date {
            color: #777;
            font-size: 0.8rem;
        }
        
        .info-container, .feature-container {
            padding: 30px;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .info-card, .feature-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 25px;
            border-radius: 12px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        
        .info-card h2, .feature-card h2 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: #fff;
        }
        
        .info-card p, .feature-card p {
            color: #e1e1e1;
            line-height: 1.6;
            margin-bottom: 15px;
        }
        
        .route-container {
            display: none;
            width: 100%;
            max-width: 1200px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            overflow: hidden;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            animation: slideUp 0.5s ease-out;
        }
        
        .route-main-content {
            padding: 30px;
        }