/* CSS Variables for theming */
        :root {
            --primary-color: #aa336a;
            --primary-light: #ff0077;
            --secondary-color: #6366f1;
            --success-color: #10b981;
            --warning-color: #f59e0b;
            --error-color: #ef4444;
            --gray-50: #f9fafb;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-300: #d1d5db;
            --gray-400: #9ca3af;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --gray-800: #1f2937;
            --gray-900: #111827;
            --border-radius: 8px;
            --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
            --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
            --transition: all 0.3s ease;
        }

        /* Reset and base styles */
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--gray-800);
            background: linear-gradient(135deg, #fff8f0 0%, #f0f9ff 100%);
            min-height: 100vh;
        }

        /* Skip link for accessibility */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: var(--primary-color);
            color: white;
            padding: 8px;
            text-decoration: none;
            border-radius: var(--border-radius);
            z-index: 10001;
            font-weight: 600;
        }

        .skip-link:focus {
            top: 6px;
        }

        /* Loading overlay */
        .loading-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(255, 255, 255, 0.95);
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            backdrop-filter: blur(5px);
        }

        .loading-spinner {
            width: 40px;
            height: 40px;
            border: 4px solid var(--gray-200);
            border-top: 4px solid var(--primary-color);
            border-radius: 50%;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }

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

        /* Container */
        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header */
        .dashboard-header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--gray-200);
            padding: 20px 0;
            margin-bottom: 30px;
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .brand h1 {
            color: var(--primary-color);
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .brand p {
            color: var(--gray-600);
            font-size: 1rem;
        }

        .header-actions {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* Navigation */
        .dashboard-nav {
            display: flex;
            gap: 8px;
            margin-bottom: 30px;
            background: white;
            padding: 8px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            overflow-x: auto;
        }

        .nav-tab {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            border: none;
            background: transparent;
            border-radius: var(--border-radius);
            color: var(--gray-600);
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .nav-tab:hover {
            background: var(--gray-50);
            color: var(--gray-800);
        }

        .nav-tab.active {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
            box-shadow: var(--shadow-md);
        }

        .nav-tab .icon {
            font-size: 1.1rem;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 16px;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 500;
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
            line-height: 1;
        }

        .btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
            box-shadow: var(--shadow-sm);
        }

        .btn-primary:hover:not(:disabled) {
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        .btn-secondary {
            background: white;
            color: var(--gray-700);
            border: 1px solid var(--gray-300);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover:not(:disabled) {
            background: var(--gray-50);
            border-color: var(--gray-400);
        }

        .btn-outline {
            background: transparent;
            color: var(--gray-600);
            border: 1px solid var(--gray-300);
        }

        .btn-outline:hover:not(:disabled) {
            background: var(--gray-50);
            color: var(--gray-800);
        }

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

        .btn-danger:hover:not(:disabled) {
            background: #dc2626;
            transform: translateY(-1px);
        }

        .btn-small {
            padding: 6px 12px;
            font-size: 0.85rem;
        }

        /* Tab content */
        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        .tab-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .tab-header h2 {
            color: var(--gray-800);
            font-size: 1.75rem;
            font-weight: 600;
        }

        .tab-actions {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* Error states */
        .error-state {
            background: #fef2f2;
            border: 1px solid #fecaca;
            border-radius: var(--border-radius);
            padding: 20px;
            text-align: center;
            margin-bottom: 30px;
        }

        .error-content h3 {
            color: var(--error-color);
            margin-bottom: 10px;
        }

        .error-content p {
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        /* Usage alert */
        .usage-alert {
            background: linear-gradient(135deg, #fef3c7, #fde68a);
            border: 1px solid #f59e0b;
            border-radius: var(--border-radius);
            padding: 16px 20px;
            margin-bottom: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 15px;
        }

        .usage-alert.danger {
            background: linear-gradient(135deg, #fee2e2, #fecaca);
            border-color: var(--error-color);
        }

        .alert-content {
            display: flex;
            align-items: center;
            gap: 15px;
            flex: 1;
        }

        /* Stats grid */
        .dashboard-stats {
            margin-bottom: 40px;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-top: 20px;
        }

        .stat-card {
            background: white;
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            display: flex;
            align-items: center;
            gap: 20px;
            transition: var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .stat-icon {
            font-size: 2.5rem;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            background-clip: text;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            border-radius: 12px;
            color: white;
            font-size: 1.5rem;
        }

        .stat-content h3 {
            color: var(--gray-700);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 4px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .stat-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 4px;
        }

        .stat-description {
            font-size: 0.85rem;
            color: var(--gray-500);
        }

        /* Usage section */
        .usage-section {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .usage-section h2 {
            color: var(--gray-800);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .usage-section > p {
            color: var(--gray-600);
            margin-bottom: 30px;
        }

        .usage-visual {
            margin-bottom: 30px;
        }

        .usage-bar-container {
            margin-bottom: 10px;
        }

        .usage-bar {
            height: 12px;
            background: var(--gray-200);
            border-radius: 6px;
            overflow: hidden;
            margin-bottom: 8px;
        }

        .usage-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
            border-radius: 6px;
            transition: width 0.6s ease;
        }

        .usage-labels {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--gray-500);
        }

        .usage-text {
            text-align: center;
            font-weight: 600;
            color: var(--gray-700);
            margin-top: 10px;
        }

        .usage-metrics {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 20px;
        }

        .metric {
            text-align: center;
            padding: 20px;
            background: var(--gray-50);
            border-radius: var(--border-radius);
            border: 1px solid var(--gray-200);
        }

        .metric-value {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 0.85rem;
            color: var(--gray-600);
            font-weight: 500;
        }

        /* Access key section */
        .access-key-section {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .access-key-section h2 {
            color: var(--gray-800);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .access-key-section > p {
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .access-key-display {
            display: flex;
            align-items: center;
            gap: 12px;
            background: var(--gray-50);
            border: 1px solid var(--gray-200);
            border-radius: var(--border-radius);
            padding: 16px;
        }

        .access-key-display code {
            flex: 1;
            font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
            font-size: 0.9rem;
            color: var(--gray-800);
            background: none;
            border: none;
            word-break: break-all;
        }

        /* Code examples */
        .code-examples {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .code-examples h2 {
            color: var(--gray-800);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .code-tabs {
            display: flex;
            gap: 2px;
            margin-bottom: 0;
            border-bottom: 1px solid var(--gray-200);
        }

        .code-tab {
            padding: 12px 20px;
            border: none;
            background: transparent;
            color: var(--gray-600);
            font-weight: 500;
            cursor: pointer;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
            transition: var(--transition);
        }

        .code-tab:hover {
            background: var(--gray-50);
            color: var(--gray-800);
        }

        .code-tab.active {
            background: white;
            color: var(--primary-color);
            border-bottom: 2px solid var(--primary-color);
        }

        .code-content {
            display: none;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }

        .code-content.active {
            display: block;
        }

        .code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 16px 20px;
            background: var(--gray-800);
            color: white;
            border-radius: var(--border-radius) var(--border-radius) 0 0;
        }

        .code-header h3 {
            font-size: 0.9rem;
            font-weight: 500;
        }

        .code-content pre {
            margin: 0;
            background: var(--gray-900);
            color: #e5e7eb;
            padding: 20px;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
            overflow-x: auto;
            font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
            font-size: 0.85rem;
            line-height: 1.6;
        }

        /* Submissions table */
        .table-container {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .submissions-table {
            width: 100%;
            border-collapse: collapse;
        }

        .submissions-table th {
            background: var(--gray-50);
            padding: 16px;
            text-align: left;
            font-weight: 600;
            color: var(--gray-700);
            border-bottom: 1px solid var(--gray-200);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .submissions-table td {
            padding: 16px;
            border-bottom: 1px solid var(--gray-200);
            color: var(--gray-700);
            font-size: 0.9rem;
        }

        .submissions-table tr:hover {
            background: var(--gray-50);
        }

        .submissions-table tr:last-child td {
            border-bottom: none;
        }

        /* Empty state */
        .empty-state {
            text-align: center;
            padding: 60px 20px;
            background: white;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .empty-icon {
            font-size: 4rem;
            margin-bottom: 20px;
            opacity: 0.5;
        }

        .empty-state h3 {
            color: var(--gray-800);
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .empty-state p {
            color: var(--gray-600);
            margin-bottom: 30px;
        }

        /* Billing section */
        .billing-section {
            margin-bottom: 30px;
        }

        .current-plan-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .plan-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 25px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .plan-info h3 {
            color: var(--gray-800);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .plan-info p {
            color: var(--gray-600);
            margin-bottom: 10px;
        }

        .plan-badge {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .plan-price {
            text-align: right;
        }

        .plan-price span {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .plan-price small {
            color: var(--gray-500);
            font-size: 0.9rem;
        }

        .usage-progress {
            margin-top: 20px;
        }

        .progress-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--gray-600);
        }

        .progress-bar {
            height: 8px;
            background: var(--gray-200);
            border-radius: 4px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
            border-radius: 4px;
            transition: width 0.6s ease;
        }

        /* Billing info grid */
        .billing-info-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .info-card {
            background: white;
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }

        .info-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .info-icon {
            font-size: 1.5rem;
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .info-content {
            flex: 1;
        }

        .info-value {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--gray-900);
            margin-bottom: 2px;
        }

        .info-label {
            font-size: 0.8rem;
            color: var(--gray-500);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Pricing section */
        .pricing-section h3 {
            color: var(--gray-800);
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .pricing-section > p {
            color: var(--gray-600);
            margin-bottom: 30px;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .pricing-card {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            position: relative;
            transition: var(--transition);
        }

        .pricing-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .pricing-card.current {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(170, 51, 106, 0.1);
        }

        .pricing-card.featured {
            border-color: var(--primary-color);
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
        }

        .pricing-badge {
            position: absolute;
            top: -10px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
            padding: 6px 20px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .current-badge {
            position: absolute;
            top: -10px;
            right: 20px;
            background: var(--success-color);
            color: white;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .pricing-header h4 {
            color: var(--gray-800);
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .price {
            display: flex;
            align-items: baseline;
            margin-bottom: 8px;
        }

        .price span:first-child {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .price span:last-child {
            color: var(--gray-500);
            margin-left: 4px;
        }

        .pricing-description {
            color: var(--gray-600);
            margin-bottom: 25px;
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .pricing-features li {
            padding: 8px 0;
            color: var(--gray-700);
            position: relative;
            padding-left: 24px;
        }

        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--success-color);
            font-weight: bold;
        }

        .pricing-btn {
            width: 100%;
            padding: 12px 24px;
            border: none;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.95rem;
        }

        .pricing-btn:not(.contact-sales) {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
        }

        .pricing-btn:not(.contact-sales):hover:not(:disabled) {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .pricing-btn.contact-sales {
            background: linear-gradient(135deg, var(--secondary-color), #8b5cf6);
            color: white;
        }

        .pricing-btn.contact-sales:hover {
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
        }

        .pricing-btn:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none !important;
        }

        /* Settings form */
        .settings-form {
            background: white;
            border-radius: 12px;
            padding: 30px;
            margin-bottom: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .settings-grid {
            display: grid;
            gap: 30px;
        }

        .setting-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .setting-label {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--gray-700);
            font-size: 0.9rem;
        }

        .setting-input {
            padding: 12px 16px;
            border: 1px solid var(--gray-300);
            border-radius: var(--border-radius);
            font-size: 0.9rem;
            transition: var(--transition);
            background: white;
        }

        .setting-input:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(170, 51, 106, 0.1);
        }

        .setting-help {
            font-size: 0.8rem;
            color: var(--gray-500);
        }

        .checkbox-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 12px;
            cursor: pointer;
            font-size: 0.9rem;
            color: var(--gray-700);
        }

        .checkbox-label input[type="checkbox"] {
            display: none;
        }

        .checkbox-custom {
            width: 20px;
            height: 20px;
            border: 2px solid var(--gray-300);
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .checkbox-label input[type="checkbox"]:checked + .checkbox-custom {
            background: var(--primary-color);
            border-color: var(--primary-color);
        }

        .checkbox-label input[type="checkbox"]:checked + .checkbox-custom::after {
            content: '✓';
            color: white;
            font-size: 0.8rem;
            font-weight: bold;
        }

        /* Account actions */
        .account-actions {
            background: white;
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
        }

        .account-actions h3 {
            color: var(--gray-800);
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .action-buttons {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        /* Modals */
        .modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 10000;
            backdrop-filter: blur(5px);
        }

        .modal-content {
            background: white;
            border-radius: 12px;
            padding: 0;
            max-width: 600px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
            animation: modalSlideIn 0.3s ease-out;
        }

        @keyframes modalSlideIn {
            from {
                opacity: 0;
                transform: translateY(-50px) scale(0.95);
            }
            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .modal-header {
            padding: 25px 30px 20px;
            border-bottom: 1px solid var(--gray-200);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-header h3 {
            color: var(--gray-800);
            font-size: 1.25rem;
            font-weight: 600;
        }

        .modal-body {
            padding: 25px 30px 30px;
        }

        .modal-close {
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--gray-400);
            padding: 0;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            transition: var(--transition);
        }

        .modal-close:hover {
            background: var(--gray-100);
            color: var(--gray-600);
        }

        /* Floating help */
        .floating-help {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 1000;
        }

        .help-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
            color: white;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-lg);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .help-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(170, 51, 106, 0.4);
        }

        /* Utility classes */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .loading {
            color: var(--gray-400);
            font-style: italic;
        }

        /* Notifications */
        .notification {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            border-radius: var(--border-radius);
        }

        /* Responsive design */
        @media (max-width: 768px) {
            .container {
                padding: 0 15px;
            }

            .header-content {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .dashboard-nav {
                flex-wrap: wrap;
                justify-content: center;
            }

            .nav-tab {
                flex: 1;
                min-width: 120px;
                justify-content: center;
            }

            .tab-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .stats-grid {
                grid-template-columns: 1fr;
            }

            .usage-metrics {
                grid-template-columns: repeat(2, 1fr);
            }

            .billing-info-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .pricing-grid {
                grid-template-columns: 1fr;
            }

            .plan-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }

            .plan-price {
                text-align: left;
            }

            .action-buttons {
                flex-direction: column;
            }

            .modal-content {
                width: 95%;
                margin: 20px;
            }

            .floating-help {
                bottom: 20px;
                right: 20px;
            }

            .access-key-display {
                flex-direction: column;
                align-items: stretch;
            }

            .code-tabs {
                flex-wrap: wrap;
            }

            .submissions-table {
                font-size: 0.8rem;
            }

            .submissions-table th,
            .submissions-table td {
                padding: 12px 8px;
            }
        }

        @media (max-width: 480px) {
            .brand h1 {
                font-size: 1.5rem;
            }

            .nav-tab {
                padding: 10px 12px;
                font-size: 0.85rem;
            }

            .stat-card {
                flex-direction: column;
                text-align: center;
                gap: 15px;
            }

            .stat-icon {
                width: 50px;
                height: 50px;
                font-size: 1.25rem;
            }

            .usage-metrics {
                grid-template-columns: 1fr;
            }

            .billing-info-grid {
                grid-template-columns: 1fr;
            }

            .modal-content {
                width: 100%;
                height: 100%;
                border-radius: 0;
                max-height: none;
            }
        }

        /* Print styles */
        @media print {
            .dashboard-nav,
            .floating-help,
            .modal,
            .loading-overlay,
            .notification,
            .tab-actions {
                display: none !important;
            }

            .tab-content {
                display: block !important;
            }

            body {
                background: white;
            }

            .pricing-card {
                break-inside: avoid;
                margin-bottom: 20px;
            }
        }

        /* Reduced motion */
        @media (prefers-reduced-motion: reduce) {
            .pricing-card,
            .stat-card,
            .info-card,
            .modal-content,
            .loading-spinner,
            .btn,
            .usage-bar-fill,
            .progress-fill {
                animation: none;
                transition: none;
            }

            .pricing-card:hover,
            .stat-card:hover,
            .info-card:hover,
            .btn:hover {
                transform: none;
            }
        }

        /* High contrast mode */
        @media (prefers-contrast: high) {
            .pricing-card,
            .stat-card,
            .info-card {
                border: 2px solid;
            }

            .btn {
                border: 2px solid;
            }
        }