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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            padding: 20px;
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .header {
            background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            padding: 40px;
            text-align: center;
            color: white;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 10px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        .form-section {
            padding: 40px;
        }

        .input-group {
            display: flex;
            gap: 15px;
            margin-bottom: 30px;
            flex-wrap: wrap;
        }

        .domain-input {
            flex: 1;
            min-width: 250px;
            padding: 15px 20px;
            border: 2px solid #e1e5e9;
            border-radius: 12px;
            font-size: 16px;
            transition: all 0.3s ease;
            background: white;
        }

        .domain-input:focus {
            outline: none;
            border-color: #4facfe;
            box-shadow: 0 0 0 3px rgba(79, 172, 254, 0.1);
        }

        .record-select {
            padding: 15px 20px;
            border: 2px solid #e1e5e9;
            border-radius: 12px;
            font-size: 16px;
            background: white;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .record-select:focus {
            outline: none;
            border-color: #4facfe;
        }

        .lookup-btn {
            padding: 15px 30px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 12px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }

        .lookup-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
        }

        .lookup-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .results-section {
            padding: 0 40px 40px;
        }

        .loading {
            text-align: center;
            padding: 40px;
            color: #666;
        }

        .spinner {
            width: 40px;
            height: 40px;
            border: 4px solid #f3f3f3;
            border-top: 4px solid #4facfe;
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin: 0 auto 20px;
        }

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

        .error {
            background: linear-gradient(135deg, #ff6b6b, #ee5a24);
            color: white;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 20px;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
        }

        .record-card {
            background: white;
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 20px;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
            border-left: 5px solid #4facfe;
            transition: all 0.3s ease;
        }

        .record-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 35px rgba(0, 0, 0, 0.12);
        }

        .record-type {
            display: inline-block;
            background: linear-gradient(135deg, #4facfe, #00f2fe);
            color: white;
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: bold;
            margin-bottom: 15px;
        }

        .record-content {
            font-family: 'Courier New', monospace;
            background: #f8f9fa;
            padding: 15px;
            border-radius: 8px;
            white-space: pre-wrap;
            word-break: break-all;
            margin-top: 10px;
        }

        .record-meta {
            display: flex;
            gap: 20px;
            margin-top: 15px;
            font-size: 14px;
            color: #666;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .no-results {
            text-align: center;
            padding: 40px;
            color: #666;
            font-style: italic;
        }

        .results-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .results-header h3 {
            margin: 0;
        }

        .results-actions {
            margin-left: auto;
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .public-link, .export-btn {
            display: inline-block;
            padding: 10px 20px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            margin: 5px;
            transition: transform 0.3s ease;
            font-size: 14px;
            font-weight: 500;
            border: none;
            cursor: pointer;
        }

        .export-btn.csv-btn {
            background: linear-gradient(135deg, #43a047 0%, #2e7d32 100%);
        }

        .export-btn.txt-btn {
            background: linear-gradient(135deg, #fb8c00 0%, #f57c00 100%);
        }

        .public-link:hover, .export-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        }


        .export-btn.csv-btn:hover {
            box-shadow: 0 4px 15px rgba(67, 160, 71, 0.3);
        }

        .export-btn.txt-btn:hover {
            box-shadow: 0 4px 15px rgba(251, 140, 0, 0.3);

        }

        .backlink-section {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 20px;
            margin: 20px 0;
            border-radius: 12px;
            border-left: 4px solid #4facfe;
        }

        .backlink-section h3 {
            color: #333;
            margin-bottom: 15px;
        }

        .backlink-section a {
            color: #4facfe;
            text-decoration: none;
        }

        .backlink-section a:hover {
            text-decoration: underline;
        }

        .history-graph {
            background: white;
            padding: 20px;
            border-radius: 12px;
            margin: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .domain-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            margin: 20px 0;
        }

        .stat-card {
            background: white;
            padding: 15px;
            border-radius: 8px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        .stat-number {
            font-size: 2rem;
            font-weight: bold;
            color: #4facfe;
            margin-bottom: 5px;
        }

        .lookup-history {
            margin-top: 30px;
        }

        .lookup-history h3 {
            margin-bottom: 20px;
            color: #333;
        }

        @media (max-width: 768px) {
            .header h1 {
                font-size: 2rem;
            }
            
            .input-group {
                flex-direction: column;
            }
            
            .domain-input {
                min-width: auto;
            }
            
            .form-section, .results-section {
                padding: 20px;
            }

            .results-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .public-page-link {
                margin-left: 0;
            }

            .domain-stats {
                grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
                gap: 10px;
            }

            .stat-number {
                font-size: 1.5rem;
            }
        }

        /* Navigation Header Styles */
        .nav-header {
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 60px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            color: white;
            font-weight: 600;
            font-size: 1.2rem;
        }

        .brand-icon {
            font-size: 1.4rem;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.9);
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
            padding: 5px 0;
        }

        .nav-link:hover {
            color: white;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-left: 20px;
            padding-left: 20px;
            border-left: 1px solid rgba(255, 255, 255, 0.2);
        }

        .social-link {
            color: rgba(255, 255, 255, 0.8);
            transition: all 0.3s ease;
            padding: 5px;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .social-link:hover {
            color: white;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }

        /* Footer Styles */
        .footer {
            background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
            color: white;
            margin-top: 40px;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            margin-bottom: 30px;
        }

        .footer-brand {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-brand .brand-icon,
        .footer-brand .brand-text {
            font-size: 1.5rem;
            font-weight: 600;
        }

        .footer-description {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            line-height: 1.5;
            margin-top: 10px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .footer-section h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .footer-link {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            font-size: 0.95rem;
            line-height: 1.8;
            transition: color 0.3s ease;
            display: block;
        }

        .footer-link:hover {
            color: white;
        }

        .footer-social {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-social-link {
            color: rgba(255, 255, 255, 0.7);
            transition: all 0.3s ease;
            padding: 8px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .footer-social-link:hover {
            color: white;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
        }

        /* Container adjustment for new header */
        body {
            padding-top: 0;
        }

        .container {
            margin-top: 20px;
        }

        /* Mobile Responsive Updates */
        @media (max-width: 768px) {
            .nav-container {
                padding: 0 15px;
                height: auto;
                min-height: 60px;
                flex-direction: column;
                gap: 15px;
                padding-top: 15px;
                padding-bottom: 15px;
            }

            .nav-links {
                gap: 20px;
                flex-wrap: wrap;
                justify-content: center;
            }

            .social-links {
                margin-left: 0;
                padding-left: 0;
                border-left: none;
                border-top: 1px solid rgba(255, 255, 255, 0.2);
                padding-top: 10px;
            }

            .footer-content {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: 25px;
            }

            .footer-container {
                padding: 30px 15px 15px;
            }

            .container {
                margin-top: 10px;
            }
        }