* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.6;
            margin: 0;
            padding: 0;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        /* Navigation Bar */
        header {
            padding: 20px 0;
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
        }
        
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: #6f42c1;
            text-decoration: none;
        }
        
        .nav-links {
            list-style: none;
            display: flex;
            gap: 20px;
        }
        
        .nav-links a {
            text-decoration: none;
            color: #555;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        
        .nav-links a:hover {
            color: #6f42c1;
        }
        
        /* Language Switcher */
        .nav-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        
        .language-switcher {
            position: relative;
            display: inline-block;
        }
        
        .language-btn {
            padding: 8px 16px;
            font-size: 14px;
            cursor: pointer;
        }
        
        .language-dropdown {
            display: none;
            position: absolute;
            top: 100%;
            right: 0;
            background-color: white;
            min-width: 180px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            border-radius: 8px;
            overflow: hidden;
            z-index: 1000;
            margin-top: 5px;
        }
        
        .language-dropdown a {
            display: block;
            padding: 10px 16px;
            text-decoration: none;
            color: #555;
            font-weight: 500;
            transition: background-color 0.3s ease;
        }
        
        .language-dropdown a:hover {
            background-color: #f0f4f8;
            color: #6f42c1;
        }
        
        .language-switcher:hover .language-dropdown {
            display: block;
        }
        
        /* Main Content */
        .hero {
            padding: 40px 0 0;
            text-align: center;
            background-color: #fff;
            margin-bottom: 0;
            overflow: hidden;
        }
        
        main {
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        
        .hero h1 {
            font-size: 48px;
            margin-bottom: 15px;
            background: linear-gradient(135deg, #6f42c1, #007bff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .hero p {
            font-size: 18px;
            color: #666;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        
        /* Upload Section */
        .upload-section {
            background-color: #f0f4f8;
            padding: 40px;
            border-radius: 12px;
            margin-bottom: 0;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        .upload-zone {
            border: 3px dashed #bec0da;
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            background-color: white;
            transition: all 0.3s ease;
        }

        .drop-hint {
            font-size: 18px;
            color: #6c757d;
            margin-bottom: 20px;
            font-weight: 500;
        }
        
        .upload-actions {
            display: flex;
            gap: 20px;
            justify-content: center;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }
        
        #fileInput {
            display: none;
        }
        
        .btn {
            padding: 12px 24px;
            border: none;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            text-align: center;
        }
        
        .btn-primary {
            background-color: #6f42c1;
            color: white;
        }
        
        .btn-primary:hover {
            background-color: #5a32a3;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(111, 66, 193, 0.3);
        }
        
        .btn-secondary {
            background-color: #fff;
            color: #666;
            border: 2px solid #ddd;
        }
        
        .btn-secondary:hover {
            border-color: #6f42c1;
            color: #6f42c1;
        }
        
        .search-box {
            padding: 12px 20px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 16px;
            width: 300px;
            transition: border-color 0.3s ease;
        }
        
        .search-box:focus {
            outline: none;
            border-color: #6f42c1;
            box-shadow: 0 0 0 3px rgba(111, 66, 193, 0.1);
        }
        
        /* Results Table */
        .results-table {
            width: 100%;
            border-collapse: collapse;
            background-color: #fff;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            margin-top: 30px;
            margin-bottom: 0;
        }
        
        .results-table th,
        .results-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #eee;
        }
        
        .results-table th {
            background-color: #f8f9fa;
            font-weight: 600;
            color: #555;
            text-transform: uppercase;
            font-size: 14px;
            letter-spacing: 0.5px;
        }
        
        .results-table tbody tr:hover {
            background-color: #f8f9fa;
        }
        
        .no-results {
            text-align: center;
            padding: 60px;
            color: #999;
        }
        
        /* Workflow */
        .workflow {
            display: flex;
            justify-content: space-around;
            margin-bottom: 60px;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .workflow-step {
            text-align: center;
            max-width: 300px;
            padding: 30px;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        
        .workflow-step:hover {
            transform: translateY(-5px);
        }
        
        .step-number {
            font-size: 36px;
            font-weight: 700;
            color: #6f42c1;
            margin-bottom: 15px;
        }
        
        .step-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }
        
        .step-description {
            color: #666;
            font-size: 14px;
        }
        
        /* How it Works */
        .how-it-works {
            margin-bottom: 60px;
            text-align: center;
        }
        
        .how-it-works h2 {
            font-size: 32px;
            margin-bottom: 40px;
            color: #333;
        }
        
        .features {
            display: flex;
            justify-content: space-around;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .feature {
            max-width: 250px;
            padding: 30px 20px;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: #f0f4f8;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: #6f42c1;
        }
        
        .feature h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #333;
        }
        
        .feature p {
            color: #666;
            font-size: 14px;
        }
        
        /* Status Information */
        #status {
            text-align: center;
            margin-top: 20px;
            margin-bottom: 0;
            padding-bottom: 0;
            color: #666;
            font-style: italic;
        }
        
        /* How it Works Section */
        .how-it-works-section {
            margin: -100px 0 0 !important;
            padding-top: 100px !important;
            text-align: center;
            position: relative;
            z-index: 2;
        }
        
        .how-it-works-section h2 {
            font-size: 32px;
            margin-top: 0;
            margin-bottom: 50px;
            color: #333;
        }
        
        .workflow {
            display: flex;
            justify-content: space-around;
            margin-bottom: 60px;
            gap: 20px;
            flex-wrap: wrap;
        }
        
        .workflow-step {
            text-align: center;
            max-width: 300px;
            padding: 30px;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: transform 0.3s ease;
        }
        
        .workflow-step:hover {
            transform: translateY(-5px);
        }
        
        .step-number {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 15px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
        }
        
        .step-1 {
            background-color: #f093fb;
            color: #fff;
        }
        
        .step-2 {
            background-color: #4facfe;
            color: #fff;
        }
        
        .step-3 {
            background-color: #43e97b;
            color: #fff;
        }
        
        .step-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: #333;
        }
        
        .step-description {
            color: #666;
            font-size: 14px;
        }
        
        /* Features Section */
        .features-section {
            margin: 30px 0;
            text-align: center;
        }
        
        .features-section h2 {
            font-size: 32px;
            margin-bottom: 40px;
            color: #333;
        }
        
        .features {
            display: flex;
            justify-content: space-around;
            gap: 30px;
            flex-wrap: wrap;
        }
        
        .feature {
            max-width: 250px;
            padding: 30px 20px;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        
        .feature:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            background-color: #f0f4f8;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 24px;
            color: #6f42c1;
        }
        
        .feature h3 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #333;
        }
        
        .feature p {
            color: #666;
            font-size: 14px;
        }
        
        /* Contact Section */
        .contact-section {
            text-align: center;
            padding: 60px 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        
        .back-link {
            display: inline-block;
            color: #6f42c1;
            text-decoration: none;
            margin-bottom: 30px;
            font-weight: 500;
        }
        
        .back-link:hover {
            text-decoration: underline;
        }
        
        .contact-section h1 {
            font-size: 48px;
            margin-bottom: 15px;
            background: linear-gradient(135deg, #6f42c1, #007bff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        
        .contact-section p {
            font-size: 18px;
            color: #666;
            margin-bottom: 40px;
        }
        
        .contact-card {
            background-color: #fff;
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            text-align: left;
            max-width: 600px;
            margin: 0 auto;
        }
        
        .contact-card h2 {
            font-size: 24px;
            color: #6f42c1;
            margin-bottom: 15px;
            font-weight: 600;
        }
        
        .contact-card p {
            font-size: 16px;
            color: #333;
            margin-bottom: 10px;
        }
        
        /* FAQ Section */
        .faq-section {
            margin: 80px 0;
            text-align: center;
        }
        
        .faq-section h2 {
            font-size: 32px;
            margin-bottom: 50px;
            color: #333;
        }
        
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
            background-color: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            overflow: hidden;
        }
        
        .faq-item {
            border-bottom: 1px solid #eee;
        }
        
        .faq-item:last-child {
            border-bottom: none;
        }
        
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 30px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        
        .faq-question:hover {
            background-color: #f8f9fa;
        }
        
        .faq-question span {
            font-size: 16px;
            font-weight: 500;
            color: #333;
            text-align: left;
        }
        
        .faq-toggle {
            background: none;
            border: none;
            font-size: 20px;
            color: #6f42c1;
            cursor: pointer;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        
        .faq-toggle:hover {
            background-color: #e9ecef;
        }
        
        .faq-toggle.active {
            transform: rotate(45deg);
        }
        
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: #f8f9fa;
        }
        
        .faq-answer p {
            padding: 0 30px 20px;
            color: #666;
            text-align: left;
            line-height: 1.6;
        }
        
        .faq-item.active .faq-answer {
            max-height: 200px;
        }
        
        /* Footer */
        footer {
            background-color: #333;
            color: #fff;
            padding: 40px 0;
            margin-top: 80px;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 40px;
        }
        
        .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: #6f42c1;
        }
        
        .footer-links {
            display: flex;
            gap: 20px;
        }
        
        .footer-links a {
            color: #fff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        
        .footer-links a:hover {
            color: #6f42c1;
        }
        
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #555;
            color: #999;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 16px;
            }
            
            .upload-actions {
                flex-direction: column;
            }
            
            .search-box {
                width: 100%;
            }
            
            .workflow {
                flex-direction: column;
                align-items: center;
            }
            
            .workflow-step {
                max-width: 100%;
            }
            
            .features {
                flex-direction: column;
                align-items: center;
            }
            
            .feature {
                max-width: 100%;
            }
            
            .footer-content {
                flex-direction: column;
                gap: 20px;
            }
            
            .faq-question span {
                font-size: 14px;
            }
            
            /* Table Responsive Handling */
            .results-table {
                display: block;
                overflow-x: auto;
            }
            
            /* Navigation Responsive */
            .nav-links {
                display: none;
            }
        }
        
        /* Additional Optimization for Small Screens */
        @media (max-width: 480px) {
            .hero {
                padding: 40px 0;
            }
            
            .hero h1 {
                font-size: 28px;
            }
            
            .upload-section {
                padding: 20px;
            }
            
            .btn {
                padding: 10px 20px;
                font-size: 14px;
            }
            
            .workflow-step {
                padding: 20px;
            }
            
            .feature {
                padding: 20px 15px;
            }
            
            .faq-question {
                padding: 15px 20px;
            }
        }
        
        /* Drag and Drop Styles */
        .upload-zone.drag-over {
            border-color: #6f42c1 !important;
            background-color: #e8f0fe !important;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(111, 66, 193, 0.15);
        }