body { 
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
            margin: 0;
            background-color: #f9fafb;
            min-height: 100vh;
        }
        
        .register-container {
            display: flex;
            min-height: 100vh;
            padding-top: 64px;
        }
        
        .register-hero {
            display: none;
            width: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            align-items: center;
            justify-content: center;
            padding: 48px;
            position: relative;
            overflow: hidden;
        }
        
        .register-hero-content {
            max-width: 400px;
            color: white;
            z-index: 10;
        }
        
        .register-hero h1 {
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 24px;
            line-height: 1.2;
        }
        
        .register-hero p {
            font-size: 1.125rem;
            color: rgba(219, 234, 254, 1);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        
        .benefit-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        
        .benefit-item {
            display: flex;
            align-items: center;
        }
        
        .benefit-icon {
            width: 48px;
            height: 48px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 16px;
            transition: transform 0.3s ease;
        }
        
        .benefit-item:hover .benefit-icon {
            transform: scale(1.1);
        }
        
        .benefit-text h3 {
            font-weight: 600;
            font-size: 1.125rem;
            margin: 0 0 4px 0;
        }
        
        .benefit-text p {
            margin: 0;
            font-size: 0.875rem;
            color: rgba(219, 234, 254, 1);
        }
        
        .register-form-container {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 32px 16px;
        }
        
        .register-form-wrapper {
            max-width: 480px;
            width: 100%;
        }
        
        .register-form {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 24px;
            padding: 32px 24px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
        }
        
        .register-header {
            text-align: center;
            margin-bottom: 32px;
        }
        
        .register-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border-radius: 16px;
            margin-bottom: 24px;
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
        }
        
        .register-header h2 {
            font-size: 1.875rem;
            font-weight: bold;
            color: #111827;
            margin: 0 0 12px 0;
        }
        
        .register-header p {
            color: #6b7280;
            margin: 0;
        }
        
        .form-group {
            margin-bottom: 24px;
        }
        
        .form-group-row {
            display: grid;
            grid-template-columns: 1fr;
            gap: 24px;
            margin-bottom: 24px;
        }
        
        .form-label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: #374151;
            margin-bottom: 8px;
        }
        
        .form-label.required::after {
            content: ' *';
            color: #ef4444;
        }
        
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #e5e7eb;
            border-radius: 12px;
            font-size: 1rem;
            color: #111827;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-sizing: border-box;
        }
        
        .form-input:focus {
            outline: none;
            border-color: #667eea;
            box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
            transform: translateY(-1px);
            background: rgba(255, 255, 255, 1);
        }
        
        .form-input::placeholder {
            color: #9ca3af;
        }
        
        .password-container {
            position: relative;
        }
        
        .password-toggle {
            position: absolute;
            right: 16px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #9ca3af;
            cursor: pointer;
            transition: color 0.2s ease;
            padding: 4px;
        }
        
        .password-toggle:hover {
            color: #667eea;
        }
        
        .password-toggle:focus {
            outline: 2px solid #667eea;
            outline-offset: 2px;
            border-radius: 4px;
        }
        
        .password-strength {
            margin-top: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        
        .strength-bars {
            display: flex;
            gap: 4px;
        }
        
        .strength-bar {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #e5e7eb;
            transition: background-color 0.3s ease;
        }
        
        .strength-bar.active-weak { background: #ef4444; }
        .strength-bar.active-fair { background: #f59e0b; }
        .strength-bar.active-good { background: #eab308; }
        .strength-bar.active-strong { background: #667eea; }
        
        .strength-text {
            font-size: 0.75rem;
            color: #6b7280;
            font-weight: 500;
        }
        
        .checkbox-group {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 24px;
        }
        
        .checkbox-input {
            width: 16px;
            height: 16px;
            margin: 0;
            flex-shrink: 0;
            margin-top: 2px;
            accent-color: #667eea;
        }
        
        .checkbox-input:focus {
            outline: 2px solid #667eea;
            outline-offset: 2px;
        }
        
        .checkbox-label {
            font-size: 0.875rem;
            color: #374151;
            margin: 0;
            line-height: 1.5;
        }
        
        .checkbox-label a {
            color: #667eea;
            text-decoration: underline;
            font-weight: 500;
        }
        
        .checkbox-label a:hover {
            color: #4f46e5;
        }
        
        .register-button {
            width: 100%;
            padding: 16px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            border: none;
            border-radius: 12px;
            color: white;
            font-size: 1.125rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .register-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(102, 126, 234, 0.4);
        }
        
        .register-button:active {
            transform: translateY(0);
        }
        
        .register-button:focus {
            outline: 3px solid #fbbf24;
            outline-offset: 2px;
        }
        
        .login-link {
            text-align: center;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid #e5e7eb;
        }
        
        .login-link p {
            font-size: 0.875rem;
            color: #6b7280;
            margin: 0;
        }
        
        .login-link a {
            font-weight: 600;
            color: #667eea;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        
        .login-link a:hover {
            color: #4f46e5;
            text-decoration: underline;
        }
        
        .login-link a:focus {
            outline: 2px solid #667eea;
            outline-offset: 2px;
            border-radius: 4px;
        }
        
        .error-message {
            margin-bottom: 24px;
            padding: 16px;
            background: #fef2f2;
            border-left: 4px solid #ef4444;
            border-radius: 8px;
        }
        
        .error-message p {
            color: #dc2626;
            font-size: 0.875rem;
            font-weight: 500;
            margin: 0;
        }
        
        .offer-banner {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 16px;
            border-radius: 12px;
            margin-bottom: 24px;
            text-align: center;
        }
        
        .offer-banner h3 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 4px 0;
        }
        
        .offer-banner p {
            font-size: 0.875rem;
            margin: 0;
            opacity: 0.9;
        }
        
        /* Desktop Media Query */
        @media (min-width: 1024px) {
            .register-hero {
                display: flex;
            }
            .register-form-container {
                width: 50%;
            }
            .form-group-row {
                grid-template-columns: 1fr 1fr;
            }
            .register-form {
                padding: 40px;
            }
        }
        
        /* Mobile optimizations */
        @media (max-width: 768px) {
            .register-container {
                padding-top: 80px;
            }
            .register-hero h1 {
                font-size: 2rem;
            }
        }
        
        /* Screen reader only content */
        .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;
        }
        
        /* Skip link for accessibility */
        .skip-link {
            position: absolute;
            top: -40px;
            left: 6px;
            background: #000;
            color: #fff;
            padding: 8px 16px;
            text-decoration: none;
            z-index: 1000;
            border-radius: 4px;
        }
        .skip-link:focus {
            top: 6px;
        }