diff --git a/.claude/settings.local.json b/.claude/settings.local.json
index 0dc554e..f970722 100644
--- a/.claude/settings.local.json
+++ b/.claude/settings.local.json
@@ -1,4 +1,5 @@
 {
+  "$schema": "https://json.schemastore.org/claude-code-settings.json",
   "permissions": {
     "allow": [
       "Bash(dotnet new:*)",
@@ -9,7 +10,9 @@
       "Bash(dotnet run:*)",
       "Bash(curl:*)",
       "Bash(pkill:*)",
-      "Bash(true)"
+      "Bash(true)",
+      "Bash(dotnet clean:*)",
+      "Bash(grep:*)"
     ],
     "deny": []
   }
diff --git a/Views/Home/Index.cshtml b/Views/Home/Index.cshtml
index f06d1ca..cbb344e 100644
--- a/Views/Home/Index.cshtml
+++ b/Views/Home/Index.cshtml
@@ -11,6 +11,9 @@
 
 
 <div class="container">
+    <!-- Hidden input for JavaScript premium status check -->
+    <input type="hidden" id="user-premium-status" value="@(ViewBag.IsPremium == true ? "true" : "false")" />
+    
     <div class="row">
         <!-- QR Generator Form -->
         <div class="col-lg-8">
@@ -80,10 +83,6 @@
                                     <option value="vcard">👤 @Localizer["VCard"]</option>
                                     <option value="sms">💬 @Localizer["SMS"]</option>
                                     <option value="email">📧 @Localizer["Email"]</option>
-                                    @if (User.Identity.IsAuthenticated)
-                                    {
-                                        <option value="dynamic">⚡ @Localizer["DynamicQRPremium"]</option>
-                                    }
                                 </select>
                             </div>
                             <div class="col-md-6 mb-3">
@@ -118,6 +117,56 @@
                             </div>
                         </div>
 
+                        <!-- Dynamic QR Section (Premium) -->
+                        <div id="dynamic-qr-section" style="display: none;">
+                            <div class="premium-feature-box">
+                                <div class="d-flex align-items-center justify-content-between">
+                                    <div>
+                                        <h6 class="mb-1">
+                                            <i class="fas fa-chart-line text-warning"></i> QR Dinâmico - Premium
+                                        </h6>
+                                        <small class="text-muted">
+                                            Analytics em tempo real: cliques, localização, dispositivos, etc.
+                                        </small>
+                                    </div>
+                                    
+                                    <div class="form-check form-switch">
+                                        @if (ViewBag.IsPremium == true)
+                                        {
+                                            <input class="form-check-input" type="checkbox" id="qr-dynamic-toggle">
+                                            <label class="form-check-label" for="qr-dynamic-toggle">
+                                                Ativar Analytics
+                                            </label>
+                                        }
+                                        else
+                                        {
+                                            <div class="premium-upgrade-prompt">
+                                                <input class="form-check-input" type="checkbox" disabled>
+                                                <label class="form-check-label text-muted">
+                                                    Ativar Analytics
+                                                </label>
+                                                <br>
+                                                <small>
+                                                    <a href="/Pagamento/SelecaoPlano" class="text-warning">
+                                                        Upgrade Premium
+                                                    </a> para analytics
+                                                </small>
+                                            </div>
+                                        }
+                                    </div>
+                                </div>
+                            </div>
+                        </div>
+
+                        <!-- URL Preview -->
+                        <div id="url-preview" class="mt-3" style="display: none;">
+                            <h6><i class="fas fa-link"></i> Preview</h6>
+                            <div id="url-preview-content" class="bg-light p-3 rounded">
+                                <strong>URL Final:</strong> <span id="final-url-display"></span><br>
+                                <strong>Tipo:</strong> <span id="qr-type-display">QR Code Estático</span>
+                            </div>
+                        </div>
+
                         <!-- VCard Interface (dynamic) -->
                         <div id="vcard-interface" class="mb-3" style="display: none;">
                             <div class="alert alert-info">
diff --git a/wwwroot/css/site.css b/wwwroot/css/site.css
index e27372c..18f6949 100644
--- a/wwwroot/css/site.css
+++ b/wwwroot/css/site.css
@@ -18,6 +18,24 @@ body {
     box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
 }
 
+/* URL Validation Feedback */
+#url-validation-error {
+    font-size: 0.875rem;
+    margin-top: 0.5rem;
+    padding: 0.5rem;
+    border-radius: 0.25rem;
+}
+
+.form-control.is-invalid {
+    border-color: #dc3545;
+    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+}
+
+.form-control.is-valid {
+    border-color: #28a745;
+    box-shadow: 0 0 0 0.2rem rgba(40, 167, 69, 0.25);
+}
+
 /* Share Button Styles */
 #share-qr-btn {
     position: relative;
@@ -123,4 +141,45 @@ body {
 
 .share-success.show {
     transform: translateX(0);
-}
\ No newline at end of file
+}
+
+.premium-feature-box {
+    border: 2px solid #ffc107;
+    border-radius: 8px;
+    padding: 15px;
+    margin: 15px 0;
+    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
+}
+
+.premium-feature-box h6 {
+    color: #856404;
+    margin-bottom: 5px;
+}
+
+.form-check-input:checked {
+    background-color: #ffc107;
+    border-color: #ffc107;
+}
+
+.premium-upgrade-prompt {
+    text-align: center;
+    padding: 10px;
+}
+
+.premium-upgrade-prompt a {
+    text-decoration: none;
+    font-weight: bold;
+}
+
+.premium-upgrade-prompt a:hover {
+    text-decoration: underline;
+}
+
+#url-preview-content {
+    font-family: monospace;
+    border-left: 4px solid #007bff;
+}
+
+.text-success {
+    color: #28a745 !important;
+}
diff --git a/wwwroot/js/qr-speed-generator.js b/wwwroot/js/qr-speed-generator.js
index a47de8c..558e88b 100644
--- a/wwwroot/js/qr-speed-generator.js
+++ b/wwwroot/js/qr-speed-generator.js
@@ -479,6 +479,30 @@ class QRRapidoGenerator {
         const type = document.getElementById('qr-type').value;
         const quickStyle = document.querySelector('input[name="quick-style"]:checked')?.value || 'classic';
         const styleSettings = this.getStyleSettings(quickStyle);
+
+        if (type === 'url') {
+            const dynamicData = window.dynamicQRManager.getDynamicQRData();
+            if (dynamicData.requiresPremium) {
+                throw new Error('QR Dinâmico é exclusivo para usuários Premium. Faça upgrade para usar analytics.');
+            }
+            return {
+                data: {
+                    type: 'url',
+                    content: dynamicData.originalUrl,
+                    isDynamic: dynamicData.isDynamic,
+                    quickStyle: quickStyle,
+                    primaryColor: document.getElementById('primary-color').value || (styleSettings.primaryColor || '#000000'),
+                    backgroundColor: document.getElementById('bg-color').value || (styleSettings.backgroundColor || '#FFFFFF'),
+                    size: parseInt(document.getElementById('qr-size').value),
+                    margin: parseInt(document.getElementById('qr-margin').value),
+                    cornerStyle: document.getElementById('corner-style')?.value || 'square',
+                    optimizeForSpeed: true,
+                    language: this.currentLang
+                },
+                isMultipart: false,
+                endpoint: '/api/QR/GenerateRapid'
+            };
+        }
         
         if (type === 'wifi') {
             const wifiContent = window.wifiGenerator.generateWiFiString();
@@ -970,11 +994,15 @@ class QRRapidoGenerator {
         const timeFloat = parseFloat(generationTime);
         
         // Update average time display in the stats cards
-        const avgElement = document.querySelector('.card-body h5:contains("1.2s")');
-        if (avgElement) {
-            const avgTime = window.qrRapidoStats ? window.qrRapidoStats.getAverageTime() : generationTime;
-            avgElement.innerHTML = `<i class="fas fa-stopwatch"></i> ${avgTime}s`;
-        }
+        // Find h5 elements in card bodies and look for one containing time info
+        const cardElements = document.querySelectorAll('.card-body h5');
+        cardElements.forEach(element => {
+            // Look for elements containing time format (e.g., "1.2s", "0.8s", etc.)
+            if (element.textContent.includes('s') && element.textContent.match(/\d+\.\d+s/)) {
+                const avgTime = window.qrRapidoStats ? window.qrRapidoStats.getAverageTime() : generationTime;
+                element.innerHTML = `<i class="fas fa-stopwatch"></i> ${avgTime}s`;
+            }
+        });
         
         // Update the generation timer in the header
         const timerElement = document.querySelector('.generation-timer span');
@@ -1244,10 +1272,8 @@ class QRRapidoGenerator {
         const qrContent = document.getElementById('qr-content');
         const vcardInterface = document.getElementById('vcard-interface');
         
-        // Inicialmente desabilitar campo de conteúdo
-        if (qrContent) {
-            qrContent.disabled = true;
-        }
+        // FIXED: Don't disable content field initially - let enableContentFields handle it
+        // The field should be available for typing once a type is selected
         
         // Ocultar interface vCard
         if (vcardInterface) {
@@ -1255,6 +1281,45 @@ class QRRapidoGenerator {
         }
         
         this.updateGenerateButton();
+        
+        // Setup URL validation event listeners
+        this.setupURLValidationListeners();
+    }
+    
+    setupURLValidationListeners() {
+        const contentField = document.getElementById('qr-content');
+        if (!contentField) return;
+        
+        // Auto-fix URL on blur (when user leaves the field)
+        contentField.addEventListener('blur', () => {
+            const type = document.getElementById('qr-type')?.value;
+            
+            if (type === 'url' && contentField.value.trim()) {
+                const originalValue = contentField.value.trim();
+                const fixedValue = this.autoFixURL(originalValue);
+                
+                if (originalValue !== fixedValue) {
+                    contentField.value = fixedValue;
+                    console.log('🔧 URL auto-corrigida:', originalValue, '→', fixedValue);
+                    
+                    // Revalidar após correção
+                    this.updateGenerateButton();
+                }
+            }
+        });
+        
+        // Real-time validation with debounce
+        contentField.addEventListener('input', () => {
+            const type = document.getElementById('qr-type')?.value;
+            
+            if (type === 'url') {
+                // Debounce para não validar a cada caractere
+                clearTimeout(contentField.validationTimeout);
+                contentField.validationTimeout = setTimeout(() => {
+                    this.updateGenerateButton();
+                }, 500);
+            }
+        });
     }
     
     handleTypeSelection(type) {
@@ -1294,12 +1359,16 @@ class QRRapidoGenerator {
         const wifiInterface = document.getElementById('wifi-interface');
         const smsInterface = document.getElementById('sms-interface');
         const emailInterface = document.getElementById('email-interface');
+        const dynamicQRSection = document.getElementById('dynamic-qr-section');
+        const urlPreview = document.getElementById('url-preview');
 
         // Hide all interfaces by default
         if (vcardInterface) vcardInterface.style.display = 'none';
         if (wifiInterface) wifiInterface.style.display = 'none';
         if (smsInterface) smsInterface.style.display = 'none';
         if (emailInterface) emailInterface.style.display = 'none';
+        if (dynamicQRSection) dynamicQRSection.style.display = 'none';
+        if (urlPreview) urlPreview.style.display = 'none';
         if (contentGroup) contentGroup.style.display = 'block';
 
         if (type === 'vcard') {
@@ -1327,6 +1396,14 @@ class QRRapidoGenerator {
             if (emailInterface) {
                 emailInterface.style.display = 'block';
             }
+        } else if (type === 'url') {
+            if (dynamicQRSection) dynamicQRSection.style.display = 'block';
+            if (urlPreview) urlPreview.style.display = 'block';
+            // CRITICAL FIX: Enable content field for URL type
+            const qrContent = document.getElementById('qr-content');
+            if(qrContent) {
+                qrContent.disabled = false;
+            }
         } else {
             // Para outros tipos, mostrar textarea
             if (contentGroup) contentGroup.style.display = 'block';
@@ -1354,7 +1431,7 @@ class QRRapidoGenerator {
         const vcardInterface = document.getElementById('vcard-interface');
         
         if (qrContent) {
-            qrContent.disabled = true;
+            // FIXED: Don't disable content field, just clear it
             qrContent.value = '';
         }
         
@@ -1424,6 +1501,71 @@ class QRRapidoGenerator {
         }
     }
     
+    // ============================================
+    // URL VALIDATION FUNCTIONS
+    // ============================================
+    
+    isValidURL(url) {
+        if (!url || typeof url !== 'string') return false;
+        
+        const trimmedUrl = url.trim();
+        
+        // Verificar se começa com http:// ou https://
+        const hasProtocol = trimmedUrl.startsWith('http://') || trimmedUrl.startsWith('https://');
+        
+        // Verificar se tem pelo menos um ponto
+        const hasDot = trimmedUrl.includes('.');
+        
+        // Verificar se não é só o protocolo
+        const hasContent = trimmedUrl.length > 8; // mais que "https://"
+        
+        // Regex mais robusta
+        const urlRegex = /^https?:\/\/.+\..+/i;
+        
+        return hasProtocol && hasDot && hasContent && urlRegex.test(trimmedUrl);
+    }
+    
+    autoFixURL(url) {
+        if (!url || typeof url !== 'string') return '';
+        
+        let fixedUrl = url.trim();
+        
+        // Se não tem protocolo, adicionar https://
+        if (!fixedUrl.startsWith('http://') && !fixedUrl.startsWith('https://')) {
+            fixedUrl = 'https://' + fixedUrl;
+        }
+        
+        return fixedUrl;
+    }
+    
+    showValidationError(message) {
+        let errorDiv = document.getElementById('url-validation-error');
+        
+        if (!errorDiv) {
+            // Criar div de erro se não existir
+            errorDiv = document.createElement('div');
+            errorDiv.id = 'url-validation-error';
+            errorDiv.className = 'alert alert-danger mt-2';
+            errorDiv.style.display = 'none';
+            
+            // Inserir após o campo de conteúdo
+            const contentGroup = document.getElementById('content-group');
+            if (contentGroup) {
+                contentGroup.appendChild(errorDiv);
+            }
+        }
+        
+        errorDiv.innerHTML = `<small><i class="fas fa-exclamation-triangle"></i> ${message}</small>`;
+        errorDiv.style.display = 'block';
+    }
+    
+    clearValidationError() {
+        const errorDiv = document.getElementById('url-validation-error');
+        if (errorDiv) {
+            errorDiv.style.display = 'none';
+        }
+    }
+    
     updateGenerateButton() {
         const generateBtn = document.getElementById('generate-btn');
         if (!generateBtn) return;
@@ -1431,9 +1573,41 @@ class QRRapidoGenerator {
         let isValid = false;
         const type = this.selectedType;
 
-        if (type === 'url' || type === 'text') {
-            const content = document.getElementById('qr-content')?.value || '';
+        if (type === 'url') {
+            const contentField = document.getElementById('qr-content');
+            const content = contentField?.value || '';
+            const trimmedContent = content.trim();
+            
+            if (!trimmedContent) {
+                this.showValidationError('URL é obrigatória');
+                if (contentField) {
+                    contentField.classList.remove('is-valid');
+                    contentField.classList.add('is-invalid');
+                }
+                isValid = false;
+            } else if (!this.isValidURL(trimmedContent)) {
+                this.showValidationError('URL deve começar com http:// ou https:// e conter pelo menos um ponto (ex: https://google.com)');
+                if (contentField) {
+                    contentField.classList.remove('is-valid');
+                    contentField.classList.add('is-invalid');
+                }
+                isValid = false;
+            } else {
+                this.clearValidationError();
+                if (contentField) {
+                    contentField.classList.remove('is-invalid');
+                    contentField.classList.add('is-valid');
+                }
+                isValid = true;
+            }
+        } else if (type === 'text') {
+            const contentField = document.getElementById('qr-content');
+            const content = contentField?.value || '';
             isValid = content.trim().length >= 3;
+            this.clearValidationError(); // Clear any URL validation errors
+            if (contentField) {
+                contentField.classList.remove('is-valid', 'is-invalid');
+            }
         } else if (type === 'vcard') {
             isValid = this.validateVCardFields();
         } else if (type === 'wifi') {
@@ -1555,6 +1729,7 @@ document.addEventListener('DOMContentLoaded', () => {
     window.wifiGenerator = new WiFiQRGenerator();
     window.smsGenerator = new SMSQRGenerator();
     window.emailGenerator = new EmailQRGenerator();
+    window.dynamicQRManager = new DynamicQRManager();
     
     // Initialize AdSense if necessary
     if (window.adsbygoogle && document.querySelector('.adsbygoogle')) {
@@ -1562,6 +1737,115 @@ document.addEventListener('DOMContentLoaded', () => {
     }
 });
 
+class DynamicQRManager {
+    constructor() {
+        this.initializeDynamicQR();
+    }
+
+    initializeDynamicQR() {
+        // Verificar se usuário é premium
+        this.isPremium = this.checkUserPremium();
+        
+        // Configurar interface baseado no status
+        this.setupPremiumInterface();
+        
+        // Event listeners
+        this.setupEventListeners();
+        
+        // Preview inicial
+        this.updatePreview();
+    }
+
+
+    checkUserPremium() {
+        // IMPLEMENTAR: verificar se usuário atual é premium
+        // Pode ser via elemento hidden, variável global, ou chamada AJAX
+        
+        // Exemplo 1: Via elemento hidden
+        const premiumStatus = document.getElementById('user-premium-status');
+        if (premiumStatus) {
+            return premiumStatus.value === 'true';
+        }
+        
+        // Exemplo 2: Via variável global
+        if (window.userInfo && window.userInfo.isPremium !== undefined) {
+            return window.userInfo.isPremium;
+        }
+        
+        // Fallback: assumir não-premium
+        return false;
+    }
+
+    setupPremiumInterface() {
+        const toggleContainer = document.getElementById('dynamic-toggle-container');
+        const upgradePrompt = document.querySelector('.premium-upgrade-prompt');
+        
+        if (this.isPremium) {
+            // Usuário premium: mostrar toggle funcional
+            if(toggleContainer) toggleContainer.style.display = 'block';
+            if (upgradePrompt) upgradePrompt.style.display = 'none';
+        } else {
+            // Usuário não-premium: mostrar prompt de upgrade
+            if(toggleContainer) toggleContainer.style.display = 'none';
+            if (upgradePrompt) upgradePrompt.style.display = 'block';
+        }
+    }
+
+    setupEventListeners() {
+        // Toggle do QR Dinâmico
+        const dynamicToggle = document.getElementById('qr-dynamic-toggle');
+        if (dynamicToggle) {
+            dynamicToggle.addEventListener('change', () => {
+                this.updatePreview();
+            });
+        }
+
+        // Campo URL
+        const urlField = document.getElementById('qr-content');
+        if (urlField) {
+            urlField.addEventListener('input', () => {
+                this.updatePreview();
+            });
+        }
+    }
+
+    updatePreview() {
+        const urlField = document.getElementById('qr-content');
+        const dynamicToggle = document.getElementById('qr-dynamic-toggle');
+        const finalUrlDisplay = document.getElementById('final-url-display');
+        const typeDisplay = document.getElementById('qr-type-display');
+        
+        if (!urlField || !finalUrlDisplay || !typeDisplay) return;
+        
+        const originalUrl = urlField.value;
+        const isDynamic = dynamicToggle && dynamicToggle.checked && this.isPremium;
+        
+        if (isDynamic && originalUrl) {
+            // QR Dinâmico: mostra URL do QRRapido
+            finalUrlDisplay.textContent = `https://qrrapido.site/r/{ID_UNICO}`;
+            typeDisplay.textContent = "QR Code Dinâmico com Analytics ";
+            typeDisplay.className = "text-success fw-bold";
+        } else {
+            // QR Estático: mostra URL original
+            finalUrlDisplay.textContent = originalUrl || 'Digite uma URL...';
+            typeDisplay.textContent = "QR Code Estático";
+            typeDisplay.className = "text-muted";
+        }
+    }
+
+    // Método para integração com collectFormData()
+    getDynamicQRData() {
+        const dynamicToggle = document.getElementById('qr-dynamic-toggle');
+        const isDynamic = dynamicToggle && dynamicToggle.checked && this.isPremium;
+        
+        return {
+            isDynamic: isDynamic,
+            originalUrl: document.getElementById('qr-content').value,
+            requiresPremium: !this.isPremium && isDynamic
+        };
+    }
+}
+
 class SMSQRGenerator {
     constructor() {
         this.initializeSMSInterface();