root
522 lines
17 KiB
TypeScript
522 lines
17 KiB
TypeScript
"use client";
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import { useState, useEffect, useRef, Suspense, useCallback } from "react";
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import { useAuth } from "@/lib/AuthContext";
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import { PERSONAS, getPersona } from "@/lib/personas";
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import Link from "next/link";
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import { useRouter } from "next/navigation";
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import {
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Send,
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Lock,
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Sparkles,
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Crown,
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Bot,
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ChevronLeft,
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AlertTriangle,
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Loader2,
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CheckCircle2,
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MessageSquare,
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} from "lucide-react";
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import PremiumBadge from "@/components/PremiumBadge";
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/* ── Types ── */
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interface ChatMessage {
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id?: string;
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role: "user" | "assistant";
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content: string;
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createdAt?: string;
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metadata?: { personaId?: string } | null;
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}
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/* ── Main Page ── */
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export default function NurPage() {
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return (
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<Suspense
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fallback={
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<div className="min-h-dvh bg-[#0a0a0f] flex items-center justify-center">
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<Loader2 size={24} className="text-[#D4AF37] animate-spin" />
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</div>
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}
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>
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<NurChat />
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</Suspense>
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);
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}
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/* ── Chat Component ── */
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function NurChat() {
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const { user, token, loading } = useAuth();
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const router = useRouter();
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const [messages, setMessages] = useState<ChatMessage[]>([]);
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const [input, setInput] = useState("");
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const [activePersona, setActivePersona] = useState("nurbuddy");
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const [isTyping, setIsTyping] = useState(false);
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const [dailyCount, setDailyCount] = useState(0);
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const [dailyLimit, setDailyLimit] = useState(10);
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const [error, setError] = useState<string | null>(null);
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const [initialLoading, setInitialLoading] = useState(true);
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const messagesEndRef = useRef<HTMLDivElement>(null);
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const inputRef = useRef<HTMLTextAreaElement>(null);
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/* Redirect if not logged in */
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useEffect(() => {
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if (!loading && !token) {
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router.push("/login");
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}
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}, [loading, token, router]);
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/* Load chat history + daily stats */
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useEffect(() => {
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if (!token || !user) return;
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const loadData = async () => {
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try {
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const [historyRes, dailyRes] = await Promise.all([
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fetch(`/api/chat/history/${user.id}`, {
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headers: { Authorization: `Bearer ${token}` },
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}),
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fetch("/api/chat/daily", {
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headers: { Authorization: `Bearer ${token}` },
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}),
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]);
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if (historyRes.ok) {
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const hist = await historyRes.json();
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setMessages(hist.messages || []);
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}
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if (dailyRes.ok) {
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const daily = await dailyRes.json();
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setDailyCount(daily.count || 0);
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setDailyLimit(daily.limit === -1 ? Infinity : daily.limit);
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}
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} catch {
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// silent
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} finally {
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setInitialLoading(false);
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}
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};
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loadData();
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}, [token, user]);
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/* Auto-scroll on new messages */
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const scrollToBottom = useCallback(() => {
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setTimeout(() => {
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messagesEndRef.current?.scrollIntoView({ behavior: "smooth" });
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}, 100);
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}, []);
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useEffect(() => {
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scrollToBottom();
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}, [messages, isTyping, scrollToBottom]);
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/* Send message */
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const sendMessage = async () => {
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const trimmed = input.trim();
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if (!trimmed || isTyping) return;
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setError(null);
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const userMsg: ChatMessage = { role: "user", content: trimmed };
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setMessages((prev) => [...prev, userMsg]);
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setInput("");
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setIsTyping(true);
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try {
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const res = await fetch("/api/chat/send", {
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method: "POST",
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headers: {
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"Content-Type": "application/json",
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Authorization: `Bearer ${token}`,
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},
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body: JSON.stringify({
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messages: [{ role: "user", content: trimmed }],
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personaId: activePersona,
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}),
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});
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const data = await res.json();
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if (!res.ok) {
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if (res.status === 429) {
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setError("Daily message limit reached. Upgrade to continue chatting!");
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} else if (res.status === 403) {
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setError(data.error || "This persona requires an upgrade.");
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} else {
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setError(data.error || "Failed to send message");
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}
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// Remove the optimistic user message on error
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setMessages((prev) => prev.slice(0, -1));
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return;
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}
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const aiMsg: ChatMessage = {
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id: data.message.id,
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role: "assistant",
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content: data.message.content,
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createdAt: data.message.createdAt,
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};
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setMessages((prev) => [...prev, aiMsg]);
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// Update daily count
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if (data.daily) {
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setDailyCount(data.daily.count);
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setDailyLimit(data.daily.limit === -1 ? Infinity : data.daily.limit);
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}
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} catch {
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setError("Network error. Please try again.");
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setMessages((prev) => prev.slice(0, -1));
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} finally {
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setIsTyping(false);
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}
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};
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/* Keyboard shortcut */
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const handleKeyDown = (e: React.KeyboardEvent) => {
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if (e.key === "Enter" && !e.shiftKey) {
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e.preventDefault();
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sendMessage();
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}
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};
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if (loading || initialLoading) {
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return (
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<div className="min-h-dvh bg-[#0a0a0f] flex items-center justify-center">
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<div className="w-8 h-8 rounded-full border-2 border-[#D4AF37]/30 border-t-[#D4AF37] animate-spin" />
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</div>
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);
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}
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if (!user || !token) return null;
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const isPremium = user.isPremium || user.isPro;
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const isPro = user.isPro;
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const isUnlimited = dailyLimit === Infinity;
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const atLimit = !isUnlimited && dailyCount >= dailyLimit;
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const limitPercent = isUnlimited ? 0 : Math.min(100, (dailyCount / dailyLimit) * 100);
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const remaining = isUnlimited ? -1 : dailyLimit - dailyCount;
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return (
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<div className="min-h-dvh bg-[#0a0a0f] flex flex-col pb-24">
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{/* ── Header ── */}
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<div className="sticky top-0 z-20 bg-[#0a0a0f]/95 backdrop-blur-md border-b border-gray-800/60">
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<div className="flex items-center justify-between px-4 py-3">
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<div className="flex items-center gap-2">
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<Link href="/" className="text-gray-500 hover:text-white transition">
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<ChevronLeft size={20} />
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</Link>
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<div>
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<h1 className="text-base font-bold text-white flex items-center gap-1.5">
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<Bot size={16} className="text-[#D4AF37]" />
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Nur AI
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</h1>
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<p className="text-[10px] text-gray-600">
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{isPro ? "Pro Plan" : isPremium ? "Premium Plan" : "Free Plan"}
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</p>
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</div>
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</div>
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{!isPremium && (
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<Link
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href="/upgrade"
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className="flex items-center gap-1.5 bg-[#D4AF37]/15 border border-[#D4AF37]/30 rounded-full px-3 py-1.5 text-[11px] font-semibold text-[#D4AF37] active:bg-[#D4AF37]/25 transition"
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>
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<Sparkles size={12} />
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Upgrade
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</Link>
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)}
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</div>
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</div>
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{/* ── Persona Selector ── */}
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<Suspense
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fallback={
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<div className="h-20 bg-[#111118] mx-4 mt-3 rounded-xl animate-pulse" />
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}
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>
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<PersonaSelector
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activePersona={activePersona}
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onSelect={setActivePersona}
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isPremium={isPremium}
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isPro={isPro}
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/>
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</Suspense>
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{/* ── Daily Cap Bar ── */}
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<div className="px-4 mt-3">
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<div className="flex items-center justify-between mb-1.5">
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<span className="text-[11px] text-gray-500 font-medium">
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{isUnlimited ? (
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<span className="text-emerald-400 flex items-center gap-1">
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<CheckCircle2 size={12} />
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Unlimited messages
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</span>
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) : (
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`${dailyCount}/${dailyLimit} messages today`
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)}
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</span>
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{!isUnlimited && remaining <= 3 && remaining > 0 && (
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<span className="text-[10px] text-amber-400 font-medium">
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{remaining} left
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</span>
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)}
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</div>
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{!isUnlimited && (
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<div className="w-full h-1.5 bg-gray-800 rounded-full overflow-hidden">
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<div
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className={`h-full rounded-full transition-all duration-500 ${
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limitPercent >= 80
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? "bg-red-500"
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: limitPercent >= 50
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? "bg-amber-500"
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: "bg-[#D4AF37]"
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}`}
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style={{ width: `${limitPercent}%` }}
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/>
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</div>
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)}
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</div>
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{/* ── Upgrade Banner (hitting limit) ── */}
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{!isPremium && atLimit && (
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<div className="mx-4 mt-3 p-3 bg-gradient-to-r from-[#D4AF37]/10 to-purple-900/10 border border-[#D4AF37]/20 rounded-xl">
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<div className="flex items-start gap-2.5">
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<Crown size={18} className="text-[#D4AF37] shrink-0 mt-0.5" />
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<div className="flex-1">
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<p className="text-sm font-semibold text-white">
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You've hit your daily limit
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</p>
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<p className="text-[11px] text-gray-500 mt-0.5">
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Upgrade to Premium for 100 messages/day or Pro for unlimited access.
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</p>
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<Link
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href="/upgrade"
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className="inline-block mt-2 text-xs font-semibold text-[#D4AF37] border border-[#D4AF37]/40 rounded-full px-3 py-1 active:bg-[#D4AF37]/10 transition"
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>
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See Plans
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</Link>
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</div>
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</div>
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</div>
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)}
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{/* ── Messages Area ── */}
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<div className="flex-1 overflow-y-auto px-4 py-4 space-y-4">
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{messages.length === 0 && !isTyping && (
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<div className="flex flex-col items-center justify-center h-full text-center py-12">
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<div className="w-16 h-16 rounded-full bg-[#D4AF37]/10 flex items-center justify-center mb-4">
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<MessageSquare size={28} className="text-[#D4AF37]" />
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</div>
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<h3 className="text-sm font-semibold text-gray-300">
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Start a conversation
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</h3>
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<p className="text-xs text-gray-600 mt-1 max-w-xs">
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Choose a persona and send a message to get AI-powered Islamic guidance.
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</p>
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</div>
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)}
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{messages.map((msg, idx) => (
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<MessageBubble key={msg.id || idx} message={msg} isPremium={isPremium} isPro={isPro} />
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))}
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{isTyping && (
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<div className="flex items-start gap-2.5 animate-fade-in">
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<div className="w-8 h-8 rounded-full bg-gray-800 flex items-center justify-center shrink-0">
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<Bot size={14} className="text-[#D4AF37]" />
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</div>
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<div className="bg-[#1a1a24] border border-gray-700/40 rounded-2xl rounded-tl-sm px-4 py-3 max-w-[85%]">
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<TypingIndicator />
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</div>
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</div>
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)}
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<div ref={messagesEndRef} />
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</div>
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{/* ── Error Message ── */}
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{error && (
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<div className="mx-4 mb-2 flex items-start gap-2 bg-red-900/20 border border-red-800/30 rounded-xl px-3 py-2.5">
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<AlertTriangle size={14} className="text-red-400 shrink-0 mt-0.5" />
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<p className="text-xs text-red-300 flex-1">{error}</p>
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<button
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onClick={() => setError(null)}
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className="text-red-400 hover:text-red-300 text-xs"
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>
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✕
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</button>
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</div>
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)}
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{/* ── Input Area ── */}
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<div className="sticky bottom-20 bg-[#0a0a0f]/95 backdrop-blur-md border-t border-gray-800/60 px-4 py-3">
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<div className="flex items-end gap-2 max-w-2xl mx-auto">
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<div className="flex-1 relative">
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<textarea
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ref={inputRef}
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value={input}
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onChange={(e) => setInput(e.target.value)}
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onKeyDown={handleKeyDown}
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placeholder={atLimit ? "Daily limit reached" : "Type a message..."}
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disabled={atLimit || isTyping}
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rows={1}
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className="w-full bg-[#111118] border border-gray-700/50 rounded-xl px-4 py-3 text-sm text-white placeholder-gray-600 resize-none focus:outline-none focus:border-[#D4AF37]/40 transition disabled:opacity-50 disabled:cursor-not-allowed"
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style={{ minHeight: "44px", maxHeight: "120px" }}
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onInput={(e) => {
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const el = e.currentTarget;
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el.style.height = "auto";
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el.style.height = `${Math.min(el.scrollHeight, 120)}px`;
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}}
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/>
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</div>
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<button
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onClick={sendMessage}
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disabled={!input.trim() || atLimit || isTyping}
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className="w-11 h-11 rounded-xl bg-[#D4AF37] text-[#0a0a0f] flex items-center justify-center shrink-0 hover:bg-[#e0c040] active:scale-95 transition disabled:opacity-30 disabled:cursor-not-allowed"
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>
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{isTyping ? (
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<Loader2 size={18} className="animate-spin" />
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) : (
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<Send size={18} />
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)}
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</button>
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</div>
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</div>
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</div>
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);
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}
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/* ── Persona Selector ── */
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function PersonaSelector({
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activePersona,
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onSelect,
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isPremium,
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isPro,
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}: {
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activePersona: string;
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onSelect: (id: string) => void;
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isPremium: boolean;
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isPro: boolean;
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}) {
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const scrollRef = useRef<HTMLDivElement>(null);
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const canAccess = (personaId: string) => {
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if (personaId === "nurbuddy") return true;
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if (isPro) return true;
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if (isPremium && ["alim", "hakim", "murabbi"].includes(personaId)) return true;
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return false;
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};
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return (
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<div className="px-4 mt-3">
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<div
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ref={scrollRef}
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className="flex gap-2 overflow-x-auto scrollbar-none pb-1"
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style={{ scrollbarWidth: "none", msOverflowStyle: "none" }}
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>
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{PERSONAS.map((persona) => {
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const accessible = canAccess(persona.id);
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const isActive = activePersona === persona.id;
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return (
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<button
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key={persona.id}
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onClick={() => {
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if (accessible) onSelect(persona.id);
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else window.location.href = "/upgrade";
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}}
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disabled={!accessible}
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className={`flex-shrink-0 flex flex-col items-center gap-1.5 px-4 py-3 rounded-xl border transition-all active:scale-95 ${
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isActive
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? "bg-[#D4AF37]/15 border-[#D4AF37]/50 text-white"
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: accessible
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? "bg-[#111118] border-gray-800/60 text-gray-400 hover:border-gray-700"
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: "bg-[#0a0a0f] border-gray-800/30 text-gray-700 opacity-60"
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}`}
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style={{
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minWidth: "80px",
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}}
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>
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<span className="text-xl">{persona.icon}</span>
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<span
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className={`text-xs font-semibold ${
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isActive ? "text-[#D4AF37]" : ""
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}`}
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>
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{persona.name}
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</span>
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<span className="text-[8px] text-center leading-tight text-gray-600 max-w-[72px]">
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{persona.description}
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</span>
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{!accessible && (
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<div className="flex items-center gap-1 mt-1">
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<Lock size={8} className="text-amber-400" />
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<PremiumBadge tier="premium" size="sm" />
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</div>
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)}
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{isActive && (
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<div className="w-1.5 h-1.5 rounded-full bg-[#D4AF37]" />
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)}
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</button>
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);
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})}
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</div>
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</div>
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);
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}
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/* ── Message Bubble ── */
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function MessageBubble({ message, isPremium, isPro }: { message: ChatMessage; isPremium?: boolean; isPro?: boolean }) {
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const isUser = message.role === "user";
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const premiumGlow = !isUser && (isPremium || isPro) && "shadow-[0_0_12px_rgba(212,175,55,0.15)] border-[#D4AF37]/20";
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return (
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<div
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className={`flex items-start gap-2.5 animate-fade-in ${
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isUser ? "flex-row-reverse" : ""
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}`}
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>
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{!isUser && (
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<div className="w-8 h-8 rounded-full bg-gray-800 flex items-center justify-center shrink-0">
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<Bot size={14} className="text-[#D4AF37]" />
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</div>
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)}
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<div
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className={`max-w-[85%] rounded-2xl px-4 py-3 text-sm leading-relaxed whitespace-pre-wrap ${
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isUser
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? "bg-[#D4AF37] text-[#0a0a0f] rounded-tr-sm"
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: `bg-[#1a1a24] border border-gray-700/40 text-gray-200 rounded-tl-sm ${premiumGlow || ""}`
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}`}
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>
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{message.content}
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{message.createdAt && (
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<div
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|
className={`text-[10px] mt-2 ${
|
|
isUser ? "text-[#0a0a0f]/50" : "text-gray-600"
|
|
}`}
|
|
>
|
|
{new Date(message.createdAt).toLocaleTimeString("en-MY", {
|
|
hour: "2-digit",
|
|
minute: "2-digit",
|
|
})}
|
|
</div>
|
|
)}
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
/* ── Typing Indicator ── */
|
|
function TypingIndicator() {
|
|
return (
|
|
<div className="flex items-center gap-1.5 py-1">
|
|
<span className="w-2 h-2 bg-gray-500 rounded-full animate-bounce" style={{ animationDelay: "0ms" }} />
|
|
<span className="w-2 h-2 bg-gray-500 rounded-full animate-bounce" style={{ animationDelay: "150ms" }} />
|
|
<span className="w-2 h-2 bg-gray-500 rounded-full animate-bounce" style={{ animationDelay: "300ms" }} />
|
|
</div>
|
|
);
|
|
}
|