feat: enhance chat UI and functionality with new scrollbar and animation features

- Added custom scrollbar styles for sources display to improve aesthetics and usability.
- Introduced animations for reasoning steps to enhance user experience during chat interactions.
- Refactored chat page to group thinking messages, improving message handling and display.
- Updated sources display component for better favicon handling and user interaction.

app/chat/page.tsx

@@ -9,6 +9,7 @@ import { MessageSquare, Settings, Server, Moon, Sun, PanelLeftClose, PanelLeftOp
 import { Tooltip, TooltipContent, TooltipProvider, TooltipTrigger } from "@/components/ui/tooltip";
 import { ChatInput } from "@/components/chat/chat-input";
 import { ChatMessage } from "@/components/chat/chat-message";
+import { ReasoningChain } from "@/components/chat/reasoning-chain";
  
 import { SidebarList } from "@/components/chat/sidebar-list";
 import { useChat } from "@/hooks/use-chat";
@@ -122,8 +123,7 @@ export default function ChatPage() {
   // Initialize with default format prompt
   const [systemPrompt, setSystemPrompt] = useState(defaultFormatPrompt || "Você é um assistente útil e prestativo.");
   const [isChatsSidebarCollapsed, setIsChatsSidebarCollapsed] = useState(true); // Iniciar colapsada
-  const [thinkingStep, setThinkingStep] = useState<ThinkingStep | null>(null);
+  // Removido: thinkingStep e processSteps - agora usando mensagens thinking agrupadas
-  const [processSteps, setProcessSteps] = useState<ProcessStep[]>([]);
   const [error, setError] = useState<string | Error | null>(null);
   
   const chatsSidebarRef = useRef<ImperativePanelHandle>(null);
@@ -266,10 +266,7 @@ export default function ChatPage() {
     // Adicionar mensagem de processo: Pré-processamento
     addThinkingMessage('preprocessing', 'Pré-processamento', 'running');
     
-    // Resetar e inicializar steps do processo (para compatibilidade com componentes antigos)
+    // Removido: setProcessSteps - agora usando mensagens thinking agrupadas
-    setProcessSteps([
-      { id: 'preprocessing', label: 'Pré-processamento', status: 'running', timestamp: Date.now() },
-    ]);
     
     // Limpar erros anteriores
     setError(null);
@@ -305,11 +302,7 @@ export default function ChatPage() {
         duration: Date.now() - preprocessingStart,
       });
       
-      setProcessSteps(prev => prev.map(s => 
+      // Removido: setProcessSteps - agora usando mensagens thinking agrupadas
-        s.id === 'preprocessing' 
-          ? { ...s, status: 'error' as const, error: errorMessage }
-          : s
-      ));
       
       // Definir erro global
       setError(error);
@@ -369,14 +362,12 @@ export default function ChatPage() {
 
         // Passo 1: Decomposição
         chatLog.info('Step 1: Decomposition');
-        setThinkingStep('planning');
         const searchPlan = await deepResearch.decompose(content, selectedModel);
         chatLog.info(`Search Plan: ${JSON.stringify(searchPlan)}`);
         
         if (searchPlan && searchPlan.length > 0) {
            // Passo 2: Executar buscas com fallback progressivo
            chatLog.info(`\nStep 2: Executing ${searchPlan.length} searches with progressive fallback`);
-           setThinkingStep('searching');
            
            // Atualizar progresso: decomposição concluída
            updateThinkingMessage('web-research', {
@@ -567,13 +558,11 @@ export default function ChatPage() {
         } else {
           // Fallback para busca simples
            chatLog.info('Decomposition returned empty, falling back to simple search');
-           setThinkingStep('searching');
            const simpleQuery = await generateQuery(content, selectedModel);
            chatLog.info(`Simple query generated: "${simpleQuery}"`);
            if (simpleQuery && simpleQuery !== 'NO_SEARCH') {
              const results = await webSearch.smartSearchRag(simpleQuery, settings.webSearch.maxResults);
              chatLog.info(`Simple search results: ${results.length}`);
-             setThinkingStep('reading');
              if (results.length > 0) {
                deepResearch.addToKnowledgeBase(simpleQuery, results);
                knowledgeBaseContext = deepResearch.getCuratedContext();
@@ -617,16 +606,7 @@ export default function ChatPage() {
   };
     
     // ========== LÓGICA DE DEEP RESEARCH (Knowledge Base Aggregation) ==========
-    // Iniciar indicador de pensamento
+    // Removido: setThinkingStep e setProcessSteps - agora usando mensagens thinking agrupadas
-    setThinkingStep('analyzing');
-    
-    // Adicionar step de pesquisa web se necessário
-    if (webSearch.isEnabled && preprocessed.shouldSearch) {
-      setProcessSteps(prev => [
-        ...prev,
-        { id: 'web-research', label: 'Pesquisa Web', status: 'running', timestamp: Date.now() },
-      ]);
-    }
     
     const researchStart = Date.now();
     // Executar pesquisa web
@@ -635,24 +615,9 @@ export default function ChatPage() {
       preprocessed
     );
     
-    // Atualizar step de pesquisa web
-    if (webSearch.isEnabled && preprocessed.shouldSearch) {
-      setProcessSteps(prev => prev.map(s => 
-        s.id === 'web-research' 
-          ? { ...s, status: 'completed' as const, duration: Date.now() - researchStart }
-          : s
-      ));
-    }
-    
     // Passo 5: Formular resposta
     chatLog.info('\nStep 5: Formulating Response');
-    setThinkingStep('formulating');
+    // Removido: setThinkingStep e setProcessSteps - agora usando mensagens thinking agrupadas
-    
-    // Adicionar step de geração de resposta
-    setProcessSteps(prev => [
-      ...prev,
-      { id: 'response-generation', label: 'Geração de Resposta', status: 'running', timestamp: Date.now() },
-    ]);
     
     // ========== MONTAR SYSTEM PROMPT COM CONTEXTO TEMPORAL E VALIDAÇÃO ==========
     // Usar timezone do sistema do usuário (não fixo)
@@ -793,12 +758,7 @@ Ao responder sobre fatos atuais ou notícias, inicie mencionando explicitamente
       duration: Date.now() - responseStart,
     });
     
-    // Atualizar step de geração de resposta quando streaming completar (para compatibilidade)
+    // Removido: setProcessSteps - agora usando mensagens thinking agrupadas
-    setProcessSteps(prev => prev.map(s => 
-      s.id === 'response-generation' 
-        ? { ...s, status: 'completed' as const, duration: Date.now() - responseStart }
-        : s
-    ));
     
     chatLog.info('✅ Response generation complete');
     chatLog.info('========== QUERY COMPLETE ==========\n');
@@ -831,8 +791,7 @@ Ao responder sobre fatos atuais ou notícias, inicie mencionando explicitamente
       });
     }
     
-    // Marcar como completo quando começar a streamar
+    // Removido: setThinkingStep - agora usando mensagens thinking agrupadas
-    setTimeout(() => setThinkingStep('complete'), 100);
   };
 
   const handleSelectSession = async (id: string) => {
@@ -1102,24 +1061,98 @@ Ao responder sobre fatos atuais ou notícias, inicie mencionando explicitamente
                     </div>
                   ) : (
                     <div className="flex flex-col gap-4 sm:gap-6">
-                      {messages.map((msg, i) => {
+                      {(() => {
-                        const isLastMessage = i === messages.length - (isLoading ? 1 : 0); // Ajuste simples
+                        // Agrupar mensagens thinking consecutivas
-                        // Streaming logica mantida simples
+                        const groupedMessages: Array<{
-                        const isAssistantStreaming = i === messages.length - 1 && msg.role === 'assistant' && isLoading;
+                          type: 'thinking-group' | 'regular';
+                          messages?: Message[];
+                          thinkingSteps?: ThinkingMessageMetadata[];
+                          searchQueries?: string[];
+                          index?: number;
+                          message?: Message;
+                          isStreaming?: boolean;
+                        }> = [];
                         
-                        return (
+                        let currentThinkingGroup: ThinkingMessageMetadata[] = [];
-                          <div key={i} className="animate-in fade-in slide-in-from-bottom-4 duration-500">
+                        let currentSearchQueries: string[] = [];
-                            <ChatMessage message={msg} isStreaming={isAssistantStreaming} />
+                        
-                          </div>
+                        for (let i = 0; i < messages.length; i++) {
-                        );
+                          const msg = messages[i];
-                      })}
+                          const isThinkingMessage = msg.metadata && 
-                      
+                            typeof msg.metadata === 'object' && 
-                      {isLoading && (
+                            'type' in msg.metadata && 
-                        <div className="px-4 py-2 text-sm text-muted-foreground animate-pulse flex items-center gap-2">
+                            msg.metadata.type === 'thinking';
-                          <div className="w-2 h-2 bg-primary/50 rounded-full animate-bounce" />
+                          
-                          <span>Pensando...</span>
+                          if (isThinkingMessage) {
-                        </div>
+                            const thinkingMeta = msg.metadata as ThinkingMessageMetadata;
-                      )}
+                            currentThinkingGroup.push(thinkingMeta);
+                            
+                            // Extrair queries de busca dos detalhes
+                            if (thinkingMeta.details && thinkingMeta.stepType === 'web-research') {
+                              const queryMatch = thinkingMeta.details.match(/Buscando consulta \d+\/\d+: "([^"]+)"/);
+                              if (queryMatch && queryMatch[1]) {
+                                if (!currentSearchQueries.includes(queryMatch[1])) {
+                                  currentSearchQueries.push(queryMatch[1]);
+                                }
+                              }
+                            }
+                          } else {
+                            // Se havia um grupo thinking, adicionar antes desta mensagem
+                            if (currentThinkingGroup.length > 0) {
+                              groupedMessages.push({
+                                type: 'thinking-group',
+                                thinkingSteps: [...currentThinkingGroup],
+                                searchQueries: [...currentSearchQueries],
+                              });
+                              currentThinkingGroup = [];
+                              currentSearchQueries = [];
+                            }
+                            
+                            // Adicionar mensagem regular
+                            const isLastMessage = i === messages.length - (isLoading ? 1 : 0);
+                            const isAssistantStreaming = i === messages.length - 1 && msg.role === 'assistant' && isLoading;
+                            
+                            groupedMessages.push({
+                              type: 'regular',
+                              message: msg,
+                              index: i,
+                              isStreaming: isAssistantStreaming,
+                            });
+                          }
+                        }
+                        
+                        // Adicionar grupo thinking final se houver
+                        if (currentThinkingGroup.length > 0) {
+                          groupedMessages.push({
+                            type: 'thinking-group',
+                            thinkingSteps: currentThinkingGroup,
+                            searchQueries: currentSearchQueries,
+                          });
+                        }
+                        
+                        return groupedMessages.map((group, idx) => {
+                          if (group.type === 'thinking-group' && group.thinkingSteps) {
+                            return (
+                              <div key={`thinking-${idx}`} className="animate-in fade-in slide-in-from-bottom-4 duration-500">
+                                <ReasoningChain 
+                                  steps={group.thinkingSteps} 
+                                  searchQueries={group.searchQueries}
+                                />
+                              </div>
+                            );
+                          } else if (group.type === 'regular' && group.message) {
+                            return (
+                              <div key={group.index || idx} className="animate-in fade-in slide-in-from-bottom-4 duration-500">
+                                <ChatMessage 
+                                  message={group.message} 
+                                  isStreaming={group.isStreaming} 
+                                />
+                              </div>
+                            );
+                          }
+                          return null;
+                        });
+                      })()}
                     </div>
                   )}
 

app/globals.css

@@ -296,4 +296,62 @@
 .sidebar-chat-list {
   scrollbar-width: thin;
   scrollbar-color: hsl(var(--muted-foreground) / 0.3) transparent;
-}
+}
+
+/* Minimalista scrollbar para sources */
+.sources-scrollbar {
+  scrollbar-width: thin;
+  scrollbar-color: hsl(var(--muted-foreground) / 0.2) transparent;
+}
+
+.sources-scrollbar::-webkit-scrollbar {
+  height: 4px;
+}
+
+.sources-scrollbar::-webkit-scrollbar-track {
+  background: transparent;
+  border-radius: 2px;
+}
+
+.sources-scrollbar::-webkit-scrollbar-thumb {
+  background: hsl(var(--muted-foreground) / 0.2);
+  border-radius: 2px;
+  transition: background 0.2s ease;
+}
+
+.sources-scrollbar::-webkit-scrollbar-thumb:hover {
+  background: hsl(var(--muted-foreground) / 0.35);
+}
+
+/* Ocultar scrollbar quando não há overflow */
+.sources-scrollbar:not(:hover)::-webkit-scrollbar-thumb {
+  background: transparent;
+}
+
+/* Reasoning Chain animations */
+@keyframes reasoning-fade-in {
+  from { 
+    opacity: 0; 
+    transform: translateY(4px); 
+  }
+  to { 
+    opacity: 1; 
+    transform: translateY(0); 
+  }
+}
+
+.reasoning-step {
+  animation: reasoning-fade-in 0.3s ease-out forwards;
+  opacity: 0;
+}
+
+/* Staggered reveal para steps */
+.reasoning-step:nth-child(1) { animation-delay: 0ms; }
+.reasoning-step:nth-child(2) { animation-delay: 100ms; }
+.reasoning-step:nth-child(3) { animation-delay: 200ms; }
+.reasoning-step:nth-child(4) { animation-delay: 300ms; }
+.reasoning-step:nth-child(5) { animation-delay: 400ms; }
+.reasoning-step:nth-child(6) { animation-delay: 500ms; }
+.reasoning-step:nth-child(7) { animation-delay: 600ms; }
+.reasoning-step:nth-child(8) { animation-delay: 700ms; }
+.reasoning-step:nth-child(n+9) { animation-delay: 800ms; }

components/chat/message-step-thinking.tsx

@@ -27,65 +27,27 @@ export function MessageStepThinking({ metadata }: MessageStepThinkingProps) {
   const [isExpanded, setIsExpanded] = useState(false);
   const [copiedIndex, setCopiedIndex] = useState<number | null>(null);
 
-  const getStepConfig = () => {
-    switch (metadata.stepType) {
-      case 'preprocessing':
-        return {
-          icon: Brain,
-          textColor: "text-blue-600 dark:text-blue-400",
-          bgColor: "bg-blue-50 dark:bg-blue-900/20",
-        };
-      case 'web-research':
-        return {
-          icon: Globe,
-          textColor: "text-green-600 dark:text-green-400",
-          bgColor: "bg-green-50 dark:bg-green-900/20",
-        };
-      case 'sources-found':
-        return {
-          icon: Package,
-          textColor: "text-purple-600 dark:text-purple-400",
-          bgColor: "bg-purple-50 dark:bg-purple-900/20",
-        };
-      case 'processing':
-        return {
-          icon: Brain,
-          textColor: "text-indigo-600 dark:text-indigo-400",
-          bgColor: "bg-indigo-50 dark:bg-indigo-900/20",
-        };
-      case 'response-generation':
-        return {
-          icon: Loader2,
-          textColor: "text-orange-600 dark:text-orange-400",
-          bgColor: "bg-orange-50 dark:bg-orange-900/20",
-        };
-      case 'fallback':
-        return {
-          icon: AlertCircle,
-          textColor: "text-yellow-600 dark:text-yellow-400",
-          bgColor: "bg-yellow-50 dark:bg-yellow-900/20",
-        };
-      case 'error':
-        return {
-          icon: XCircle,
-          textColor: "text-red-600 dark:text-red-400",
-          bgColor: "bg-red-50 dark:bg-red-900/20",
-        };
-      default:
-        return {
-          icon: Search,
-          textColor: "text-muted-foreground",
-          bgColor: "bg-muted/30",
-        };
-    }
-  };
-
   const getStepIcon = () => {
-    const config = getStepConfig();
-    const Icon = config.icon;
     const isSpinning = metadata.stepType === 'response-generation' && metadata.status === 'running';
     
-    return <Icon className={cn("w-4 h-4", config.textColor, isSpinning && "animate-spin")} />;
+    switch (metadata.stepType) {
+      case 'preprocessing':
+        return <Brain className={cn("w-4 h-4 text-muted-foreground/80", isSpinning && "animate-spin")} />;
+      case 'web-research':
+        return <Globe className={cn("w-4 h-4 text-muted-foreground/80", isSpinning && "animate-spin")} />;
+      case 'sources-found':
+        return <Package className={cn("w-4 h-4 text-muted-foreground/80", isSpinning && "animate-spin")} />;
+      case 'processing':
+        return <Brain className={cn("w-4 h-4 text-muted-foreground/80", isSpinning && "animate-spin")} />;
+      case 'response-generation':
+        return <Loader2 className={cn("w-4 h-4 text-muted-foreground/80", isSpinning && "animate-spin")} />;
+      case 'fallback':
+        return <AlertCircle className="w-4 h-4 text-muted-foreground/80" />;
+      case 'error':
+        return <XCircle className="w-4 h-4 text-destructive/80" />;
+      default:
+        return <Search className="w-4 h-4 text-muted-foreground/80" />;
+    }
   };
 
   const copyToClipboard = async (url: string, index: number) => {
@@ -98,17 +60,17 @@ export function MessageStepThinking({ metadata }: MessageStepThinkingProps) {
     }
   };
 
-  const config = getStepConfig();
-
   return (
     <div className="mb-4 ml-10 animate-in fade-in slide-in-from-bottom-2 duration-300">
-      <div className={cn(
+      <div className="flex items-center gap-3 p-2 transition-all w-fit max-w-full">
-        "flex items-center gap-3 p-2 rounded-lg transition-all w-fit max-w-full",
-        config.bgColor
-      )}>
         <div className="flex items-center gap-2">
             {getStepIcon()}
-            <span className={cn("text-sm font-medium", config.textColor)}>
+            <span className={cn(
+              "text-sm font-medium",
+              metadata.status === 'error' 
+                ? "text-destructive/80" 
+                : "text-muted-foreground/80"
+            )}>
                 {metadata.label}
             </span>
         </div>
@@ -135,7 +97,7 @@ export function MessageStepThinking({ metadata }: MessageStepThinkingProps) {
       {metadata.progress !== undefined && metadata.progress < 100 && (
          <div className="ml-1 mt-1 w-32 h-1 bg-muted/50 rounded-full overflow-hidden">
             <div 
-                className={cn("h-full transition-all duration-300", config.textColor.replace('text-', 'bg-'))} 
+                className="h-full bg-primary/50 transition-all duration-300" 
                 style={{ width: `${metadata.progress}%` }}
             />
          </div>

components/chat/reasoning-chain.tsx

@@ -0,0 +1,134 @@
+'use client';
+
+import { 
+  Loader2, 
+  CheckCircle2,
+  Circle,
+  Search,
+  Globe,
+  Brain,
+  Package,
+  BookOpen
+} from 'lucide-react';
+import { cn } from '@/lib/utils';
+import type { ThinkingMessageMetadata } from '@/hooks/use-chat';
+import { SourcesCompact } from './sources-compact';
+
+interface ReasoningChainProps {
+  steps: ThinkingMessageMetadata[];
+  searchQueries?: string[];
+  className?: string;
+}
+
+export function ReasoningChain({ steps, searchQueries = [], className }: ReasoningChainProps) {
+  const hasActiveStep = steps.some(step => step.status === 'running');
+  const allSources = steps
+    .flatMap(step => step.sources || [])
+    .filter((source, index, self) => 
+      index === self.findIndex(s => s.url === source.url)
+    );
+
+  const getStepIcon = (step: ThinkingMessageMetadata) => {
+    const isRunning = step.status === 'running';
+    const isCompleted = step.status === 'completed';
+    const isError = step.status === 'error';
+
+    if (isError) {
+      return null; // Não mostrar ícone para erros, apenas texto
+    }
+
+    if (isCompleted) {
+      return <CheckCircle2 className="w-3.5 h-3.5 text-muted-foreground/60" />;
+    }
+
+    if (isRunning) {
+      return <Loader2 className="w-3.5 h-3.5 text-muted-foreground/60 animate-spin" />;
+    }
+
+    // Ícone baseado no tipo de step
+    switch (step.stepType) {
+      case 'preprocessing':
+        return <Brain className="w-3.5 h-3.5 text-muted-foreground/60" />;
+      case 'web-research':
+        return <Search className="w-3.5 h-3.5 text-muted-foreground/60" />;
+      case 'sources-found':
+        return <Globe className="w-3.5 h-3.5 text-muted-foreground/60" />;
+      case 'processing':
+        return <Brain className="w-3.5 h-3.5 text-muted-foreground/60" />;
+      case 'response-generation':
+        return <Loader2 className="w-3.5 h-3.5 text-muted-foreground/60 animate-spin" />;
+      default:
+        return <Search className="w-3.5 h-3.5 text-muted-foreground/60" />;
+    }
+  };
+
+  return (
+    <div className={cn("mb-6 space-y-3", className)}>
+      {/* Header: "Working..." com spinner sutil */}
+      <div className="flex items-center gap-2 text-sm text-muted-foreground">
+        <Circle className="w-2 h-2 fill-current animate-pulse" />
+        <span>Working...</span>
+      </div>
+      
+      {/* Lista vertical de steps - texto simples */}
+      <div className="space-y-1.5 pl-6">
+        {steps.map((step, index) => {
+          const isRunning = step.status === 'running';
+          const isCompleted = step.status === 'completed';
+          const isError = step.status === 'error';
+          
+          return (
+            <div 
+              key={`${step.stepType}-${step.timestamp}`}
+              className={cn(
+                "reasoning-step flex items-center gap-2 text-sm",
+                isError 
+                  ? "text-destructive/80" 
+                  : isCompleted 
+                    ? "text-muted-foreground/60" 
+                    : "text-muted-foreground/80"
+              )}
+              style={{ animationDelay: `${index * 100}ms` }}
+            >
+              {getStepIcon(step)}
+              <span>{step.label}</span>
+              {step.details && (
+                <span className="text-xs text-muted-foreground/50 ml-1">
+                  {step.details}
+                </span>
+              )}
+            </div>
+          );
+        })}
+      </div>
+      
+      {/* Pills de busca - cápsulas sutis */}
+      {searchQueries.length > 0 && (
+        <div className="flex flex-wrap gap-2 pl-6">
+          <span className="text-xs text-muted-foreground/60">Searching:</span>
+          {searchQueries.map((query, index) => (
+            <span 
+              key={index}
+              className="text-xs font-mono px-2 py-1 bg-white/5 dark:bg-white/5 border border-white/10 dark:border-white/10 rounded-full text-muted-foreground/70"
+            >
+              {query}
+            </span>
+          ))}
+        </div>
+      )}
+      
+      {/* Fontes em revisão */}
+      {allSources.length > 0 && (
+        <div className="pl-6">
+          <div className="flex items-center gap-2 mb-2">
+            <span className="text-xs text-muted-foreground/60">
+              Reviewing sources - {allSources.length}
+            </span>
+          </div>
+          <SourcesCompact sources={allSources} />
+        </div>
+      )}
+    </div>
+  );
+}
+

components/chat/sources-compact.tsx

@@ -0,0 +1,78 @@
+'use client';
+
+import { ExternalLink } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+interface Source {
+  url: string;
+  title?: string;
+}
+
+interface SourcesCompactProps {
+  sources: Source[];
+  className?: string;
+}
+
+export function SourcesCompact({ sources, className }: SourcesCompactProps) {
+  const getFaviconUrl = (url: string): string => {
+    try {
+      const domain = new URL(url).hostname;
+      return `https://www.google.com/s2/favicons?domain=${domain}&sz=16`;
+    } catch {
+      return '';
+    }
+  };
+
+  const getDomain = (url: string): string => {
+    try {
+      return new URL(url).hostname.replace(/^www\./, '');
+    } catch {
+      return url.replace(/^https?:\/\//, '').replace(/^www\./, '').split('/')[0];
+    }
+  };
+
+  if (!sources || sources.length === 0) {
+    return null;
+  }
+
+  return (
+    <div className={cn("flex gap-3 overflow-x-auto py-2 sources-scrollbar", className)}>
+      {sources.map((source, idx) => {
+        const faviconUrl = getFaviconUrl(source.url);
+        const domain = getDomain(source.url);
+        
+        return (
+          <a
+            key={idx}
+            href={source.url}
+            target="_blank"
+            rel="noopener noreferrer"
+            className="group flex items-center gap-2 px-3 py-2 rounded-lg bg-muted/30 hover:bg-muted/50 border border-transparent hover:border-muted transition-all flex-shrink-0"
+          >
+            {faviconUrl ? (
+              <img
+                src={faviconUrl}
+                alt=""
+                className="w-4 h-4 rounded flex-shrink-0"
+                onError={(e) => {
+                  (e.target as HTMLImageElement).style.display = 'none';
+                }}
+              />
+            ) : (
+              <ExternalLink className="w-4 h-4 text-muted-foreground/60 flex-shrink-0" />
+            )}
+            <div className="min-w-0">
+              <div className="text-xs font-medium truncate max-w-[140px] text-foreground/90">
+                {source.title || domain}
+              </div>
+              <div className="text-[10px] text-muted-foreground truncate">
+                {domain}
+              </div>
+            </div>
+          </a>
+        );
+      })}
+    </div>
+  );
+}
+

components/chat/sources-display.tsx

@@ -27,90 +27,89 @@ export function SourcesDisplay({ sources, className }: SourcesDisplayProps) {
     }
   };
 
-  // Memoizar URLs de favicon para evitar recálculos
+  const getFaviconUrl = (url: string): string => {
-  const faviconUrls = useMemo(() => {
+    try {
-    return sources.map(source => {
+      const domain = new URL(url).hostname;
-      try {
+      return `https://www.google.com/s2/favicons?domain=${domain}&sz=16`;
-        const domain = new URL(source.url).hostname;
+    } catch {
-        return `https://www.google.com/s2/favicons?domain=${domain}&sz=32`;
+      return '';
-      } catch {
+    }
-        return null;
+  };
-      }
+
-    });
+  const getDomain = (url: string): string => {
-  }, [sources]);
+    try {
+      return new URL(url).hostname.replace(/^www\./, '');
+    } catch {
+      return url.replace(/^https?:\/\//, '').replace(/^www\./, '').split('/')[0];
+    }
+  };
 
   return (
-    <div className={cn("px-6 py-4 border-t border-muted bg-muted/20", className)}>
+    <div className={cn("px-6 py-4 border-t border-muted/50", className)}>
       <div className="flex items-center gap-2 mb-3">
-        <Globe className="w-4 h-4 text-muted-foreground" />
+        <Globe className="w-4 h-4 text-muted-foreground/60" />
-        <p className="text-xs font-medium text-muted-foreground">
+        <p className="text-xs font-medium text-muted-foreground/80">
           Fontes consultadas ({sources.length}):
         </p>
       </div>
       
-      <div className="flex flex-wrap gap-2 overflow-x-auto pb-2 scrollbar-thin scrollbar-thumb-muted scrollbar-track-transparent">
+      <div className="flex gap-3 overflow-x-auto py-2 sources-scrollbar">
         {sources.map((source, idx) => {
-          const faviconUrl = faviconUrls[idx];
+          const faviconUrl = getFaviconUrl(source.url);
+          const domain = getDomain(source.url);
           const isCopied = copiedIndex === idx;
           
           return (
-            <div
+            <a
               key={idx}
-              className="group flex-shrink-0 flex items-center gap-2 px-3 py-2 rounded-md bg-background hover:bg-muted/80 transition-all duration-200 border border-muted hover:border-primary/50 shadow-sm hover:shadow-md"
+              href={source.url}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="group flex items-center gap-2 px-3 py-2 rounded-lg bg-muted/30 hover:bg-muted/50 border border-transparent hover:border-muted transition-all flex-shrink-0"
+              onClick={(e) => {
+                // Permitir que o botão de copiar funcione sem navegar
+                if ((e.target as HTMLElement).closest('button')) {
+                  e.preventDefault();
+                }
+              }}
             >
-              {/* Favicon */}
               {faviconUrl ? (
                 <img
                   src={faviconUrl}
                   alt=""
-                  className="w-4 h-4 flex-shrink-0 rounded-sm"
+                  className="w-4 h-4 rounded flex-shrink-0"
                   onError={(e) => {
                     (e.target as HTMLImageElement).style.display = 'none';
                   }}
                 />
               ) : (
-                <Globe className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
+                <Globe className="w-4 h-4 text-muted-foreground/60 flex-shrink-0" />
               )}
-              
+              <div className="min-w-0">
-              {/* Title and URL */}
+                <div className="text-xs font-medium truncate max-w-[140px] text-foreground/90">
-              <div className="flex-1 min-w-0 max-w-[200px] md:max-w-[300px]">
+                  {source.title || domain}
-                <div className="text-xs font-medium text-foreground truncate" title={source.title || source.url}>
-                  {source.title || `Fonte ${idx + 1}`}
                 </div>
-                <div className="text-[10px] text-muted-foreground truncate" title={source.url}>
+                <div className="text-[10px] text-muted-foreground truncate">
-                  {source.url.replace(/^https?:\/\//, '').replace(/^www\./, '')}
+                  {domain}
                 </div>
               </div>
-              
+              <button
-              {/* Actions */}
+                onClick={(e) => {
-              <div className="flex items-center gap-1">
+                  e.preventDefault();
-                {/* Copy Button */}
+                  e.stopPropagation();
-                <button
+                  copyToClipboard(source.url, idx);
-                  onClick={() => copyToClipboard(source.url, idx)}
+                }}
-                  className="p-1 rounded hover:bg-muted transition-colors"
+                className="ml-1 p-1 rounded hover:bg-muted/50 transition-colors opacity-0 group-hover:opacity-100"
-                  title="Copiar URL"
+                title="Copiar URL"
-                  aria-label="Copiar URL"
+                aria-label="Copiar URL"
-                >
+              >
-                  {isCopied ? (
+                {isCopied ? (
-                    <Check className="w-3 h-3 text-green-600 dark:text-green-400" />
+                  <Check className="w-3 h-3 text-green-600 dark:text-green-400" />
-                  ) : (
+                ) : (
-                    <Copy className="w-3 h-3 text-muted-foreground" />
+                  <Copy className="w-3 h-3 text-muted-foreground" />
-                  )}
+                )}
-                </button>
+              </button>
-                
+            </a>
-                {/* External Link Button */}
-                <a
-                  href={source.url}
-                  target="_blank"
-                  rel="noopener noreferrer"
-                  className="p-1 rounded hover:bg-muted transition-colors"
-                  title="Abrir em nova aba"
-                  aria-label="Abrir em nova aba"
-                >
-                  <ExternalLink className="w-3 h-3 text-muted-foreground" />
-                </a>
-              </div>
-            </div>
           );
         })}
       </div>