 switchTab('explorer');
                } else {
                    showToast(`‚ùå Domain not found: ${domain}`, 'error');
                    
                    const errorHTML = `
                        <div class="explorer-card" style="margin-top: 20px; border: 2px solid #ff0000;">
                            <h3>‚ùå Domain Not Found: ${domain}</h3>
                            <p>This domain is not registered on the ZHTP network.</p>
                            <p>Would you like to register i