Redesenha widget de chat com visual moderno

- Layout estilo messenger com baloes de mensagem
- Avatares para agente (headphones) e usuario (user)
- Cores distintas: preto para agente, branco para cliente
- Header com status online/offline da maquina
- Input com Enter para enviar
- Scroll automatico para novas mensagens

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/components/tickets/ticket-chat-panel.tsx

@@ -6,14 +6,13 @@ import type { Id } from "@/convex/_generated/dataModel"
 import { api } from "@/convex/_generated/api"
 import { useAuth } from "@/lib/auth-client"
 import { Button } from "@/components/ui/button"
-import { Textarea } from "@/components/ui/textarea"
-import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
+import { Card, CardContent, CardHeader } from "@/components/ui/card"
 import { Spinner } from "@/components/ui/spinner"
 import { cn } from "@/lib/utils"
 import { toast } from "sonner"
 import { formatDistanceToNowStrict } from "date-fns"
 import { ptBR } from "date-fns/locale"
-import { MessageCircle, MonitorSmartphone, WifiOff, X } from "lucide-react"
+import { MessageCircle, Send, WifiOff, X, User, Headphones } from "lucide-react"
 
 const MAX_MESSAGE_LENGTH = 4000
 
@@ -25,6 +24,13 @@ function formatRelative(timestamp: number) {
   }
 }
 
+function formatTime(timestamp: number) {
+  return new Date(timestamp).toLocaleTimeString("pt-BR", {
+    hour: "2-digit",
+    minute: "2-digit",
+  })
+}
+
 type TicketChatPanelProps = {
   ticketId: string
 }
@@ -42,7 +48,7 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
         status: string
         canPost: boolean
         reopenDeadline: number | null
-        liveChat: {
+        liveChat?: {
           hasMachine: boolean
           machineOnline: boolean
           machineHostname: string | null
@@ -73,7 +79,9 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
   const postChatMessage = useMutation(api.tickets.postChatMessage)
   const startLiveChat = useMutation(api.liveChat.startSession)
   const endLiveChat = useMutation(api.liveChat.endSession)
+
   const messagesEndRef = useRef<HTMLDivElement | null>(null)
+  const inputRef = useRef<HTMLTextAreaElement | null>(null)
   const [draft, setDraft] = useState("")
   const [isSending, setIsSending] = useState(false)
   const [isStartingChat, setIsStartingChat] = useState(false)
@@ -82,6 +90,8 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
   const messages = chat?.messages ?? []
   const canPost = Boolean(chat?.canPost && viewerId)
   const chatEnabled = Boolean(chat?.chatEnabled)
+  const liveChat = chat?.liveChat
+  const hasActiveSession = Boolean(liveChat?.activeSession)
 
   useEffect(() => {
     if (!viewerId || !chat || !Array.isArray(chat.messages) || chat.messages.length === 0) return
@@ -109,7 +119,7 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
 
   const disabledReason = useMemo(() => {
     if (!chatEnabled) return "Chat desativado para este ticket"
-    if (!canPost) return "Você não tem permissão para enviar mensagens"
+    if (!canPost) return "Voce nao tem permissao para enviar mensagens"
     return null
   }, [canPost, chatEnabled])
 
@@ -160,69 +170,81 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
       return
     }
     setIsSending(true)
-    toast.dismiss("ticket-chat")
-    toast.loading("Enviando mensagem...", { id: "ticket-chat" })
     try {
       await postChatMessage({
         ticketId: ticketId as Id<"tickets">,
         actorId: viewerId as Id<"users">,
-        body: draft,
+        body: draft.trim(),
       })
       setDraft("")
-      toast.success("Mensagem enviada!", { id: "ticket-chat" })
+      inputRef.current?.focus()
     } catch (error) {
       console.error(error)
-      toast.error("Nao foi possivel enviar a mensagem.", { id: "ticket-chat" })
+      toast.error("Nao foi possivel enviar a mensagem.")
     } finally {
       setIsSending(false)
     }
   }
 
+  const handleKeyDown = (e: React.KeyboardEvent) => {
+    if (e.key === "Enter" && !e.shiftKey) {
+      e.preventDefault()
+      handleSend()
+    }
+  }
+
   if (!viewerId) {
     return null
   }
 
-  const liveChat = chat?.liveChat
-  const hasActiveSession = Boolean(liveChat?.activeSession)
-
   return (
-    <Card className="border-slate-200">
-      <CardHeader className="flex flex-row items-center justify-between gap-2">
+    <Card className="flex flex-col overflow-hidden border-slate-200">
+      {/* Header */}
+      <CardHeader className="flex flex-row items-center justify-between gap-2 border-b border-slate-100 bg-slate-50 px-4 py-3">
+        <div className="flex items-center gap-3">
+          <div className="flex size-10 items-center justify-center rounded-full bg-black text-white">
+            <MessageCircle className="size-5" />
+          </div>
+          <div>
+            <p className="text-sm font-semibold text-slate-900">Chat do Atendimento</p>
             <div className="flex items-center gap-2">
-          <CardTitle className="text-base font-semibold text-neutral-800">Chat do atendimento</CardTitle>
               {liveChat?.hasMachine && (
-            <div className="flex items-center gap-1.5">
+                <>
                   {liveChat.machineOnline ? (
-                <span className="flex items-center gap-1 rounded-full bg-green-100 px-2 py-0.5 text-xs font-medium text-green-700">
+                    <span className="flex items-center gap-1 text-xs text-green-600">
                       <span className="size-1.5 rounded-full bg-green-500" />
-                  Online
+                      {liveChat.machineHostname ?? "Maquina"} online
                     </span>
                   ) : (
-                <span className="flex items-center gap-1 rounded-full bg-neutral-100 px-2 py-0.5 text-xs font-medium text-neutral-500">
+                    <span className="flex items-center gap-1 text-xs text-slate-400">
                       <WifiOff className="size-3" />
-                  Offline
+                      {liveChat.machineHostname ?? "Maquina"} offline
+                    </span>
+                  )}
+                </>
+              )}
+              {hasActiveSession && (
+                <span className="flex items-center gap-1 rounded-full bg-green-100 px-2 py-0.5 text-xs font-medium text-green-700">
+                  Chat ativo
                 </span>
               )}
             </div>
-          )}
+          </div>
         </div>
         <div className="flex items-center gap-2">
-          {!chatEnabled ? (
-            <span className="text-xs font-medium text-neutral-500">Chat desativado</span>
-          ) : null}
           {liveChat?.hasMachine && (
             <>
               {hasActiveSession ? (
                 <Button
                   type="button"
-                  variant="outline"
+                  variant="ghost"
                   size="sm"
                   onClick={handleEndLiveChat}
                   disabled={isEndingChat}
-                  className="gap-1.5 border-red-200 text-red-600 hover:bg-red-50 hover:text-red-700"
+                  className="gap-1.5 text-red-600 hover:bg-red-50 hover:text-red-700"
                 >
                   {isEndingChat ? <Spinner className="size-3" /> : <X className="size-3" />}
-                  Encerrar Chat
+                  Encerrar
                 </Button>
               ) : (
                 <Button
@@ -242,89 +264,112 @@ export function TicketChatPanel({ ticketId }: TicketChatPanelProps) {
           )}
         </div>
       </CardHeader>
-      <CardContent className="space-y-4">
-        {hasActiveSession && liveChat?.activeSession && (
-          <div className="flex items-center gap-2 rounded-lg border border-green-200 bg-green-50 px-3 py-2">
-            <div className="flex size-6 items-center justify-center rounded-full bg-green-100">
-              <MessageCircle className="size-3.5 text-green-600" />
-            </div>
-            <div className="flex-1">
-              <p className="text-sm font-medium text-green-800">Chat ao vivo ativo</p>
-              <p className="text-xs text-green-600">
-                Iniciado por {liveChat.activeSession.agentName ?? "agente"} {formatRelative(liveChat.activeSession.startedAt)}
-                {liveChat.activeSession.unreadByAgent > 0 && (
-                  <span className="ml-2 rounded-full bg-green-600 px-1.5 py-0.5 text-white">
-                    {liveChat.activeSession.unreadByAgent} nao lidas
-                  </span>
-                )}
-              </p>
-            </div>
-          </div>
-        )}
+
+      {/* Messages */}
+      <CardContent className="flex-1 overflow-y-auto bg-slate-50/50 p-0">
+        <div className="min-h-[300px] max-h-[400px] overflow-y-auto p-4">
           {chat === undefined ? (
-          <div className="flex items-center justify-center gap-2 rounded-lg border border-dashed border-slate-200 py-6 text-sm text-neutral-500">
-            <Spinner className="size-4" /> Carregando mensagens...
+            <div className="flex h-full min-h-[200px] items-center justify-center">
+              <div className="flex flex-col items-center gap-2 text-slate-400">
+                <Spinner className="size-6" />
+                <p className="text-sm">Carregando mensagens...</p>
+              </div>
             </div>
           ) : messages.length === 0 ? (
-          <div className="rounded-lg border border-dashed border-slate-200 bg-slate-50 px-4 py-6 text-center text-sm text-neutral-500">
-            Nenhuma mensagem registrada no chat até o momento.
+            <div className="flex h-full min-h-[200px] flex-col items-center justify-center text-center">
+              <div className="flex size-12 items-center justify-center rounded-full bg-slate-100">
+                <MessageCircle className="size-6 text-slate-400" />
+              </div>
+              <p className="mt-3 text-sm font-medium text-slate-600">Nenhuma mensagem ainda</p>
+              <p className="mt-1 text-xs text-slate-400">
+                {hasActiveSession ? "Envie uma mensagem para iniciar a conversa" : "Inicie um chat para conversar com o cliente"}
+              </p>
             </div>
           ) : (
-          <div className="max-h-72 space-y-3 overflow-y-auto pr-2">
+            <div className="space-y-4">
               {messages.map((message) => {
                 const isOwn = String(message.authorId) === String(viewerId)
                 return (
                   <div
                     key={message.id}
+                    className={cn("flex gap-2", isOwn ? "flex-row-reverse" : "flex-row")}
+                  >
+                    {/* Avatar */}
+                    <div
                       className={cn(
-                    "flex flex-col gap-1 rounded-lg border px-3 py-2 text-sm",
-                    isOwn ? "border-slate-300 bg-slate-50" : "border-slate-200 bg-white"
+                        "flex size-8 shrink-0 items-center justify-center rounded-full",
+                        isOwn ? "bg-black text-white" : "bg-slate-200 text-slate-600"
                       )}
                     >
-                  <div className="flex items-center justify-between gap-3">
-                    <span className="font-semibold text-neutral-800">{message.authorName ?? "Usuário"}</span>
-                    <span className="text-xs text-neutral-500">{formatRelative(message.createdAt)}</span>
+                      {isOwn ? <Headphones className="size-4" /> : <User className="size-4" />}
                     </div>
+
+                    {/* Bubble */}
                     <div
-                    className="prose prose-sm max-w-none text-neutral-700"
-                    dangerouslySetInnerHTML={{ __html: message.body }}
-                  />
+                      className={cn(
+                        "max-w-[75%] rounded-2xl px-4 py-2",
+                        isOwn
+                          ? "rounded-br-md bg-black text-white"
+                          : "rounded-bl-md bg-white text-slate-900 shadow-sm border border-slate-100"
+                      )}
+                    >
+                      {!isOwn && (
+                        <p className={cn("mb-1 text-xs font-medium", isOwn ? "text-white/70" : "text-slate-500")}>
+                          {message.authorName ?? "Usuario"}
+                        </p>
+                      )}
+                      <p className="whitespace-pre-wrap text-sm">{message.body}</p>
+                      <p
+                        className={cn(
+                          "mt-1 text-right text-xs",
+                          isOwn ? "text-white/60" : "text-slate-400"
+                        )}
+                      >
+                        {formatTime(message.createdAt)}
+                      </p>
+                    </div>
                   </div>
                 )
               })}
               <div ref={messagesEndRef} />
             </div>
           )}
-        <div className="space-y-2">
-          <Textarea
-            value={draft}
-            onChange={(event) => setDraft(event.target.value)}
-            placeholder={disabledReason ?? "Digite uma mensagem"}
-            rows={3}
-            disabled={isSending || !canPost || !chatEnabled}
-          />
-          <div className="flex items-center justify-between text-xs text-neutral-500">
-            <span>{draft.length}/{MAX_MESSAGE_LENGTH}</span>
-            <div className="inline-flex items-center gap-2">
-              {!chatEnabled ? (
-                <span className="text-neutral-500">Chat indisponível</span>
-              ) : null}
-              <Button
-                type="button"
-                size="sm"
-                onClick={handleSend}
-                disabled={isSending || !canPost || !chatEnabled || draft.trim().length === 0}
-              >
-                {isSending ? <Spinner className="mr-2 size-4" /> : null}
-                Enviar
-              </Button>
-            </div>
-          </div>
-          {disabledReason && chatEnabled ? (
-            <p className="text-xs text-neutral-500">{disabledReason}</p>
-          ) : null}
         </div>
       </CardContent>
+
+      {/* Input */}
+      <div className="border-t border-slate-200 bg-white p-3">
+        {!chatEnabled ? (
+          <p className="text-center text-sm text-slate-400">Chat desativado para este ticket</p>
+        ) : !canPost ? (
+          <p className="text-center text-sm text-slate-400">Voce nao pode enviar mensagens neste chat</p>
+        ) : (
+          <div className="flex items-end gap-2">
+            <textarea
+              ref={inputRef}
+              value={draft}
+              onChange={(e) => setDraft(e.target.value)}
+              onKeyDown={handleKeyDown}
+              placeholder="Digite sua mensagem..."
+              className="max-h-24 min-h-[40px] flex-1 resize-none rounded-lg border border-slate-200 px-3 py-2 text-sm focus:border-black focus:outline-none focus:ring-1 focus:ring-black"
+              rows={1}
+              disabled={isSending}
+            />
+            <Button
+              type="button"
+              onClick={handleSend}
+              disabled={!draft.trim() || isSending}
+              className="flex size-10 items-center justify-center rounded-lg bg-black text-white hover:bg-black/90"
+            >
+              {isSending ? (
+                <Spinner className="size-4" />
+              ) : (
+                <Send className="size-4" />
+              )}
+            </Button>
+          </div>
+        )}
+      </div>
     </Card>
   )
 }