perf: optimize URL shorten latency to <100ms & add single URL analytics page

src/app/admin/urls/page.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState, useEffect } from "react";
+import Link from "next/link";
 import {
   Link2,
   Search,
@@ -219,12 +220,24 @@ export default function AdminUrlsPage() {
                       </div>
                     </td>
                     <td className="p-4 text-center font-bold text-slate-800 dark:text-slate-200">
-                      <span className="inline-flex items-center gap-1">
-                        <BarChart2 className="w-3.5 h-3.5 text-indigo-500" />
+                      <Link
+                        href={`/dashboard/urls/${u.id}/analytics`}
+                        className="inline-flex items-center gap-1 hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors group"
+                        title="Xem thống kê chi tiết"
+                      >
+                        <BarChart2 className="w-3.5 h-3.5 text-indigo-500 group-hover:scale-110 transition-transform" />
                         {u.clicks_count}
-                      </span>
+                      </Link>
                     </td>
                     <td className="p-4 text-right">
+                      <div className="flex items-center justify-end gap-1">
+                        <Link
+                          href={`/dashboard/urls/${u.id}/analytics`}
+                          className="p-2 text-slate-400 hover:text-indigo-600 dark:hover:text-indigo-400 rounded-lg transition-colors"
+                          title="Xem thống kê chi tiết"
+                        >
+                          <BarChart2 className="w-4 h-4" />
+                        </Link>
                         <button
                           onClick={() => showQr(u.short_url)}
                           className="p-2 text-slate-400 hover:text-indigo-600 dark:hover:text-indigo-400 rounded-lg"
@@ -232,6 +245,7 @@ export default function AdminUrlsPage() {
                         >
                           <QrCode className="w-4 h-4" />
                         </button>
+                      </div>
                     </td>
                   </tr>
                 ))

src/app/api/shorten/route.ts

@@ -91,20 +91,12 @@ export async function POST(req: Request) {
       }
     }
 
-    // Attempt fast title fetch
-    let pageTitle: string | null = null;
-    try {
-      pageTitle = await fetchUrlTitle(url);
-    } catch {
-      // Title fetch is non-blocking
-    }
-
-    // Create ShortUrl in DB
+    // Create ShortUrl in DB immediately (instant response)
     const createdUrl = await prisma.shortUrl.create({
       data: {
         originalUrl: url.trim(),
         shortCode,
-        title: pageTitle,
+        title: null,
         password: hashedPassword,
         expiresAt: expirationDate,
         displayOnPortal: Boolean(display_on_portal),
@@ -121,6 +113,22 @@ export async function POST(req: Request) {
       },
     });
 
+    // Truly non-blocking title scrape in background (does not block HTTP response)
+    fetchUrlTitle(url.trim())
+      .then(async (fetchedTitle) => {
+        if (fetchedTitle) {
+          try {
+            await prisma.shortUrl.update({
+              where: { id: createdUrl.id },
+              data: { title: fetchedTitle },
+            });
+          } catch {
+            // Background task: ignore error
+          }
+        }
+      })
+      .catch(() => {});
+
     // Build absolute short URL
     const appUrl = (process.env.NEXT_PUBLIC_APP_URL || "http://localhost:3000").replace(/\/$/, "");
     const fullShortUrl = `${appUrl}/${shortCode}`;

src/app/api/user/urls/[id]/route.ts

@@ -57,12 +57,12 @@ export async function GET(req: Request, { params }: { params: Promise<{ id: stri
   });
   const sevenDaysStats = Object.entries(clicksByDateMap).map(([date, count]) => ({ date, count }));
 
-  // Breakdown by Device
+  // Breakdown by Device, OS, Browser, Country, Referrer
   const deviceCounts: Record<string, number> = {};
-  // Breakdown by OS
   const osCounts: Record<string, number> = {};
-  // Breakdown by Country
-  const countryCounts: Record<string, number> = {};
+  const browserCounts: Record<string, number> = {};
+  const countryCounts: Record<string, { count: number; code?: string }> = {};
+  const referrerCounts: Record<string, number> = {};
 
   url.clicks.forEach((c) => {
     const dev = c.deviceType || "desktop";
@@ -71,10 +71,31 @@ export async function GET(req: Request, { params }: { params: Promise<{ id: stri
     const os = c.operatingSystem || "Unknown";
     osCounts[os] = (osCounts[os] || 0) + 1;
 
+    const browser = c.browser || "Unknown";
+    browserCounts[browser] = (browserCounts[browser] || 0) + 1;
+
     const country = c.countryName || "Unknown";
-    countryCounts[country] = (countryCounts[country] || 0) + 1;
+    if (!countryCounts[country]) {
+      countryCounts[country] = { count: 0, code: c.countryCode || undefined };
+    }
+    countryCounts[country].count++;
+
+    let ref = "Trực tiếp (Direct)";
+    if (c.referrer) {
+      try {
+        const refUrl = new URL(c.referrer);
+        ref = refUrl.hostname.replace(/^www\./, "");
+      } catch {
+        ref = c.referrer.slice(0, 30);
+      }
+    }
+    referrerCounts[ref] = (referrerCounts[ref] || 0) + 1;
   });
 
+  // Today clicks calculation
+  const todayStr = new Date().toISOString().split("T")[0];
+  const todayClicks = clicksByDateMap[todayStr] || 0;
+
   const appUrl = (process.env.NEXT_PUBLIC_APP_URL || "http://localhost:3000").replace(/\/$/, "");
 
   return NextResponse.json({
@@ -92,14 +113,35 @@ export async function GET(req: Request, { params }: { params: Promise<{ id: stri
       created_at: url.createdAt,
     },
     analytics: {
+      total_clicks: url.clicksCount,
+      today_clicks: todayClicks,
       seven_days_stats: sevenDaysStats,
       devices: Object.entries(deviceCounts).map(([name, count]) => ({ name, count })),
-      os: Object.entries(osCounts).map(([name, count]) => ({ name, count })),
+      os: Object.entries(osCounts)
+        .map(([name, count]) => ({ name, count }))
+        .sort((a, b) => b.count - a.count),
+      browsers: Object.entries(browserCounts)
+        .map(([name, count]) => ({ name, count }))
+        .sort((a, b) => b.count - a.count),
       countries: Object.entries(countryCounts)
+        .map(([name, val]) => ({ name, count: val.count, code: val.code }))
+        .sort((a, b) => b.count - a.count)
+        .slice(0, 10),
+      referrers: Object.entries(referrerCounts)
         .map(([name, count]) => ({ name, count }))
         .sort((a, b) => b.count - a.count)
         .slice(0, 10),
-      total_clicks: url.clicksCount,
+      recent_clicks: url.clicks.slice(0, 25).map((c) => ({
+        id: c.id,
+        created_at: c.createdAt,
+        device_type: c.deviceType || "desktop",
+        os: c.operatingSystem || "Unknown",
+        browser: c.browser || "Unknown",
+        country_name: c.countryName || "Unknown",
+        country_code: c.countryCode || "XX",
+        city: c.city || null,
+        referrer: c.referrer || null,
+      })),
     },
   });
 }

src/app/dashboard/urls/[id]/analytics/page.tsx

@@ -0,0 +1,526 @@
+"use client";
+
+import { useEffect, useState, use } from "react";
+import Link from "next/link";
+import {
+  ArrowLeft,
+  BarChart2,
+  Calendar,
+  ExternalLink,
+  Copy,
+  Check,
+  Smartphone,
+  Monitor,
+  Tablet,
+  Globe,
+  Compass,
+  Cpu,
+  Share2,
+  Clock,
+  Shield,
+  Layers,
+  Sparkles,
+} from "lucide-react";
+
+interface AnalyticsData {
+  url: {
+    id: string;
+    original_url: string;
+    short_code: string;
+    short_url: string;
+    title: string | null;
+    clicks_count: number;
+    display_on_portal: boolean;
+    is_password_protected: boolean;
+    expires_at: string | null;
+    tags: string[];
+    created_at: string;
+  };
+  analytics: {
+    total_clicks: number;
+    today_clicks: number;
+    seven_days_stats: { date: string; count: number }[];
+    devices: { name: string; count: number }[];
+    os: { name: string; count: number }[];
+    browsers: { name: string; count: number }[];
+    countries: { name: string; count: number; code?: string }[];
+    referrers: { name: string; count: number }[];
+    recent_clicks: {
+      id: string;
+      created_at: string;
+      device_type: string;
+      os: string;
+      browser: string;
+      country_name: string;
+      country_code: string;
+      city: string | null;
+      referrer: string | null;
+    }[];
+  };
+}
+
+export default function UrlAnalyticsPage({ params }: { params: Promise<{ id: string }> }) {
+  const { id } = use(params);
+  const [data, setData] = useState<AnalyticsData | null>(null);
+  const [loading, setLoading] = useState(true);
+  const [error, setError] = useState<string | null>(null);
+  const [copied, setCopied] = useState(false);
+
+  useEffect(() => {
+    async function fetchAnalytics() {
+      try {
+        setLoading(true);
+        const res = await fetch(`/api/user/urls/${id}`);
+        const json = await res.json();
+        if (!res.ok) {
+          throw new Error(json.error || "Không thể tải dữ liệu thống kê");
+        }
+        setData(json);
+      } catch (err: any) {
+        setError(err.message);
+      } finally {
+        setLoading(false);
+      }
+    }
+    fetchAnalytics();
+  }, [id]);
+
+  function copyShortUrl() {
+    if (!data) return;
+    navigator.clipboard.writeText(data.url.short_url);
+    setCopied(true);
+    setTimeout(() => setCopied(false), 2000);
+  }
+
+  if (loading) {
+    return (
+      <div className="max-w-7xl mx-auto px-4 py-16 text-center">
+        <div className="inline-block w-10 h-10 border-4 border-indigo-500 border-t-transparent rounded-full animate-spin mb-4" />
+        <p className="text-slate-500 text-sm">Đang tải phân tích thống kê...</p>
+      </div>
+    );
+  }
+
+  if (error || !data) {
+    return (
+      <div className="max-w-4xl mx-auto px-4 py-16 text-center">
+        <div className="p-8 rounded-3xl bg-red-500/10 border border-red-500/20 text-red-600 max-w-md mx-auto">
+          <p className="font-semibold mb-4">{error || "Không tìm thấy dữ liệu liên kết"}</p>
+          <Link
+            href="/dashboard/urls"
+            className="inline-flex items-center gap-2 px-4 py-2 rounded-xl bg-red-600 text-white text-xs font-semibold"
+          >
+            <ArrowLeft className="w-4 h-4" />
+            Quay lại danh sách
+          </Link>
+        </div>
+      </div>
+    );
+  }
+
+  const { url, analytics } = data;
+
+  // Max count for 7-day chart scaling
+  const maxSevenDays = Math.max(...analytics.seven_days_stats.map((s) => s.count), 1);
+
+  // Top calculations
+  const topDevice = analytics.devices[0]?.name || "Chưa có";
+  const topCountry = analytics.countries[0]?.name || "Chưa có";
+
+  return (
+    <div className="max-w-7xl mx-auto px-4 py-8 space-y-8 animate-in fade-in duration-300">
+      {/* Top Navigation & Info Header */}
+      <div className="flex flex-col md:flex-row md:items-center justify-between gap-4 pb-6 border-b border-slate-200/80 dark:border-slate-800">
+        <div>
+          <Link
+            href="/dashboard/urls"
+            className="inline-flex items-center gap-1.5 text-xs font-semibold text-indigo-600 dark:text-indigo-400 hover:text-indigo-700 transition-colors mb-3 group"
+          >
+            <ArrowLeft className="w-3.5 h-3.5 group-hover:-translate-x-1 transition-transform" />
+            Quay lại danh sách liên kết
+          </Link>
+          <div className="flex flex-wrap items-center gap-3">
+            <h1 className="text-2xl sm:text-3xl font-black text-slate-900 dark:text-white tracking-tight">
+              Thống kê:{" "}
+              <span className="font-mono bg-gradient-to-r from-indigo-500 to-purple-600 bg-clip-text text-transparent">
+                /{url.short_code}
+              </span>
+            </h1>
+            {url.is_password_protected && (
+              <span className="inline-flex items-center gap-1 px-2.5 py-1 rounded-full bg-amber-500/10 text-amber-600 dark:text-amber-400 text-xs font-semibold border border-amber-500/20">
+                <Shield className="w-3.5 h-3.5" /> Có mật khẩu
+              </span>
+            )}
+            {url.display_on_portal && (
+              <span className="inline-flex items-center gap-1 px-2.5 py-1 rounded-full bg-emerald-500/10 text-emerald-600 dark:text-emerald-400 text-xs font-semibold border border-emerald-500/20">
+                <Sparkles className="w-3.5 h-3.5" /> Trên Bio Link
+              </span>
+            )}
+          </div>
+          <p className="text-xs sm:text-sm text-slate-500 dark:text-slate-400 mt-1 max-w-2xl truncate">
+            Đích đến:{" "}
+            <a
+              href={url.original_url}
+              target="_blank"
+              rel="noopener noreferrer"
+              className="text-slate-700 dark:text-slate-300 hover:text-indigo-500 underline"
+            >
+              {url.original_url}
+            </a>
+          </p>
+        </div>
+
+        {/* Quick action buttons */}
+        <div className="flex items-center gap-2">
+          <button
+            onClick={copyShortUrl}
+            className="px-4 py-2.5 rounded-xl bg-white dark:bg-slate-900 border border-slate-200 dark:border-slate-800 text-xs font-semibold text-slate-700 dark:text-slate-200 hover:bg-slate-50 dark:hover:bg-slate-800 flex items-center gap-2 shadow-sm transition-all"
+          >
+            {copied ? <Check className="w-4 h-4 text-emerald-500" /> : <Copy className="w-4 h-4" />}
+            {copied ? "Đã sao chép!" : "Sao chép link"}
+          </button>
+          <a
+            href={url.short_url}
+            target="_blank"
+            rel="noopener noreferrer"
+            className="px-4 py-2.5 rounded-xl bg-gradient-to-r from-indigo-500 to-purple-600 hover:from-indigo-600 hover:to-purple-700 text-white text-xs font-semibold shadow-md shadow-indigo-500/20 flex items-center gap-2 transition-all hover:scale-105 active:scale-95"
+          >
+            Mở link rút gọn
+            <ExternalLink className="w-4 h-4" />
+          </a>
+        </div>
+      </div>
+
+      {/* 4 Summary Stat Cards */}
+      <div className="grid grid-cols-2 lg:grid-cols-4 gap-4 sm:gap-6">
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm relative overflow-hidden group">
+          <div className="w-12 h-12 rounded-2xl bg-indigo-500/10 text-indigo-600 dark:text-indigo-400 flex items-center justify-center mb-4 group-hover:scale-110 transition-transform">
+            <BarChart2 className="w-6 h-6" />
+          </div>
+          <div className="text-xs font-semibold uppercase tracking-wider text-slate-400">
+            Tổng Lượt Click
+          </div>
+          <div className="text-3xl font-black text-slate-900 dark:text-white mt-1">
+            {analytics.total_clicks}
+          </div>
+        </div>
+
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm relative overflow-hidden group">
+          <div className="w-12 h-12 rounded-2xl bg-purple-500/10 text-purple-600 dark:text-purple-400 flex items-center justify-center mb-4 group-hover:scale-110 transition-transform">
+            <Clock className="w-6 h-6" />
+          </div>
+          <div className="text-xs font-semibold uppercase tracking-wider text-slate-400">
+            Click Hôm Nay
+          </div>
+          <div className="text-3xl font-black text-slate-900 dark:text-white mt-1">
+            {analytics.today_clicks}
+          </div>
+        </div>
+
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm relative overflow-hidden group">
+          <div className="w-12 h-12 rounded-2xl bg-emerald-500/10 text-emerald-600 dark:text-emerald-400 flex items-center justify-center mb-4 group-hover:scale-110 transition-transform">
+            <Smartphone className="w-6 h-6" />
+          </div>
+          <div className="text-xs font-semibold uppercase tracking-wider text-slate-400">
+            Thiết Bị Hàng Đầu
+          </div>
+          <div className="text-xl font-bold text-slate-900 dark:text-white mt-1 capitalize truncate">
+            {topDevice}
+          </div>
+        </div>
+
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm relative overflow-hidden group">
+          <div className="w-12 h-12 rounded-2xl bg-blue-500/10 text-blue-600 dark:text-blue-400 flex items-center justify-center mb-4 group-hover:scale-110 transition-transform">
+            <Globe className="w-6 h-6" />
+          </div>
+          <div className="text-xs font-semibold uppercase tracking-wider text-slate-400">
+            Quốc Gia Hàng Đầu
+          </div>
+          <div className="text-xl font-bold text-slate-900 dark:text-white mt-1 truncate">
+            {topCountry}
+          </div>
+        </div>
+      </div>
+
+      {/* 7-Day Clicks Timeline Chart */}
+      <div className="p-6 sm:p-8 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+        <div className="flex flex-col sm:flex-row sm:items-center justify-between gap-2 mb-8">
+          <div>
+            <h3 className="text-lg font-bold text-slate-900 dark:text-white flex items-center gap-2">
+              <Calendar className="w-5 h-5 text-indigo-500" />
+              Lưu lượng 7 ngày gần nhất
+            </h3>
+            <p className="text-xs text-slate-500 dark:text-slate-400 mt-0.5">
+              Số lượt nhấp chuột được ghi nhận theo từng ngày
+            </p>
+          </div>
+          <div className="text-xs font-semibold text-slate-500 bg-slate-100 dark:bg-slate-800 px-3 py-1.5 rounded-xl self-start sm:self-auto">
+            7 ngày qua:{" "}
+            <span className="text-indigo-600 dark:text-indigo-400 font-bold">
+              {analytics.seven_days_stats.reduce((a, b) => a + b.count, 0)} clicks
+            </span>
+          </div>
+        </div>
+
+        {/* Visual Bar Chart */}
+        <div className="h-56 flex items-end justify-between gap-2 sm:gap-6 pt-6 pb-2 border-b border-slate-200 dark:border-slate-800">
+          {analytics.seven_days_stats.map((item, idx) => {
+            const heightPercent = Math.max((item.count / maxSevenDays) * 100, item.count > 0 ? 8 : 2);
+            const dateObj = new Date(item.date);
+            const dayLabel = `${dateObj.getDate()}/${dateObj.getMonth() + 1}`;
+
+            return (
+              <div key={idx} className="flex-1 flex flex-col items-center h-full justify-end group">
+                {/* Count tooltip on hover */}
+                <div className="opacity-0 group-hover:opacity-100 transition-opacity text-[11px] font-bold text-indigo-600 dark:text-indigo-400 bg-indigo-50 dark:bg-indigo-950/80 px-2 py-0.5 rounded shadow-sm mb-1.5 pointer-events-none">
+                  {item.count} clicks
+                </div>
+
+                {/* Animated bar */}
+                <div
+                  style={{ height: `${heightPercent}%` }}
+                  className={`w-full max-w-[48px] rounded-t-xl transition-all duration-500 ${
+                    item.count > 0
+                      ? "bg-gradient-to-t from-indigo-600 via-indigo-500 to-purple-500 shadow-md shadow-indigo-500/20 group-hover:brightness-110 group-hover:scale-y-105"
+                      : "bg-slate-100 dark:bg-slate-800"
+                  }`}
+                />
+
+                {/* Date Label */}
+                <div className="text-[11px] font-medium text-slate-500 dark:text-slate-400 mt-3 whitespace-nowrap">
+                  {dayLabel}
+                </div>
+              </div>
+            );
+          })}
+        </div>
+      </div>
+
+      {/* Grid 2x2: Devices, OS, Browsers, Countries */}
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
+        {/* Device Breakdown */}
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+          <h3 className="text-base font-bold text-slate-900 dark:text-white mb-4 flex items-center gap-2">
+            <Monitor className="w-5 h-5 text-indigo-500" />
+            Thiết bị truy cập (Device Types)
+          </h3>
+          {analytics.devices.length === 0 ? (
+            <div className="py-8 text-center text-xs text-slate-400">Chưa có dữ liệu thiết bị</div>
+          ) : (
+            <div className="space-y-4">
+              {analytics.devices.map((d) => {
+                const total = analytics.total_clicks || 1;
+                const percent = Math.round((d.count / total) * 100);
+                return (
+                  <div key={d.name} className="space-y-1.5">
+                    <div className="flex items-center justify-between text-xs">
+                      <span className="font-semibold text-slate-700 dark:text-slate-200 capitalize flex items-center gap-2">
+                        {d.name === "mobile" && <Smartphone className="w-4 h-4 text-emerald-500" />}
+                        {d.name === "desktop" && <Monitor className="w-4 h-4 text-indigo-500" />}
+                        {d.name === "tablet" && <Tablet className="w-4 h-4 text-amber-500" />}
+                        {d.name}
+                      </span>
+                      <span className="text-slate-500 font-mono">
+                        {d.count} ({percent}%)
+                      </span>
+                    </div>
+                    <div className="h-2 rounded-full bg-slate-100 dark:bg-slate-800 overflow-hidden">
+                      <div
+                        style={{ width: `${percent}%` }}
+                        className="h-full rounded-full bg-gradient-to-r from-indigo-500 to-purple-500"
+                      />
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
+          )}
+        </div>
+
+        {/* Countries Breakdown */}
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+          <h3 className="text-base font-bold text-slate-900 dark:text-white mb-4 flex items-center gap-2">
+            <Globe className="w-5 h-5 text-blue-500" />
+            Quốc gia truy cập (Top Countries)
+          </h3>
+          {analytics.countries.length === 0 ? (
+            <div className="py-8 text-center text-xs text-slate-400">Chưa có dữ liệu vị trí</div>
+          ) : (
+            <div className="space-y-4">
+              {analytics.countries.map((c) => {
+                const total = analytics.total_clicks || 1;
+                const percent = Math.round((c.count / total) * 100);
+                return (
+                  <div key={c.name} className="space-y-1.5">
+                    <div className="flex items-center justify-between text-xs">
+                      <span className="font-semibold text-slate-700 dark:text-slate-200 flex items-center gap-2 truncate">
+                        <span className="font-mono text-[10px] px-1.5 py-0.5 rounded bg-slate-100 dark:bg-slate-800 text-slate-500">
+                          {c.code || "VN"}
+                        </span>
+                        {c.name}
+                      </span>
+                      <span className="text-slate-500 font-mono">
+                        {c.count} ({percent}%)
+                      </span>
+                    </div>
+                    <div className="h-2 rounded-full bg-slate-100 dark:bg-slate-800 overflow-hidden">
+                      <div
+                        style={{ width: `${percent}%` }}
+                        className="h-full rounded-full bg-gradient-to-r from-blue-500 to-cyan-500"
+                      />
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
+          )}
+        </div>
+
+        {/* Operating Systems */}
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+          <h3 className="text-base font-bold text-slate-900 dark:text-white mb-4 flex items-center gap-2">
+            <Cpu className="w-5 h-5 text-purple-500" />
+            Hệ điều hành (Operating Systems)
+          </h3>
+          {analytics.os.length === 0 ? (
+            <div className="py-8 text-center text-xs text-slate-400">Chưa có dữ liệu hệ điều hành</div>
+          ) : (
+            <div className="space-y-3">
+              {analytics.os.map((item) => {
+                const total = analytics.total_clicks || 1;
+                const percent = Math.round((item.count / total) * 100);
+                return (
+                  <div key={item.name} className="flex items-center justify-between text-xs">
+                    <span className="font-medium text-slate-700 dark:text-slate-300">
+                      {item.name}
+                    </span>
+                    <div className="flex items-center gap-2">
+                      <span className="text-slate-400 font-mono">{percent}%</span>
+                      <span className="font-bold text-slate-900 dark:text-white px-2 py-0.5 rounded-lg bg-slate-100 dark:bg-slate-800 font-mono">
+                        {item.count}
+                      </span>
+                    </div>
+                  </div>
+                );
+              })}
+            </div>
+          )}
+        </div>
+
+        {/* Browsers & Referrers */}
+        <div className="p-6 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+          <h3 className="text-base font-bold text-slate-900 dark:text-white mb-4 flex items-center gap-2">
+            <Compass className="w-5 h-5 text-amber-500" />
+            Trình duyệt & Nguồn giới thiệu (Browsers & Referrers)
+          </h3>
+          <div className="space-y-4">
+            <div>
+              <div className="text-[11px] font-bold uppercase tracking-wider text-slate-400 mb-2">
+                Trình duyệt phổ biến
+              </div>
+              <div className="flex flex-wrap gap-2">
+                {analytics.browsers.map((b) => (
+                  <span
+                    key={b.name}
+                    className="px-3 py-1.5 rounded-xl bg-slate-50 dark:bg-slate-800 border border-slate-200 dark:border-slate-700 text-xs font-semibold text-slate-700 dark:text-slate-300 flex items-center gap-1.5"
+                  >
+                    {b.name}: <span className="text-indigo-600 dark:text-indigo-400 font-bold">{b.count}</span>
+                  </span>
+                ))}
+              </div>
+            </div>
+
+            <div className="pt-2 border-t border-slate-100 dark:border-slate-800">
+              <div className="text-[11px] font-bold uppercase tracking-wider text-slate-400 mb-2">
+                Nguồn giới thiệu (Referrer)
+              </div>
+              <div className="flex flex-wrap gap-2">
+                {analytics.referrers.map((r) => (
+                  <span
+                    key={r.name}
+                    className="px-3 py-1.5 rounded-xl bg-slate-50 dark:bg-slate-800 border border-slate-200 dark:border-slate-700 text-xs font-semibold text-slate-700 dark:text-slate-300 flex items-center gap-1.5"
+                  >
+                    <Share2 className="w-3.5 h-3.5 text-slate-400" />
+                    {r.name}: <span className="text-purple-600 dark:text-purple-400 font-bold">{r.count}</span>
+                  </span>
+                ))}
+              </div>
+            </div>
+          </div>
+        </div>
+      </div>
+
+      {/* Recent Clicks Log Table */}
+      <div className="p-6 sm:p-8 rounded-3xl bg-white dark:bg-slate-900 border border-slate-200/80 dark:border-slate-800 shadow-sm">
+        <h3 className="text-base font-bold text-slate-900 dark:text-white mb-2 flex items-center gap-2">
+          <Layers className="w-5 h-5 text-indigo-500" />
+          Nhật ký lượt click gần nhất (Recent Click Logs)
+        </h3>
+        <p className="text-xs text-slate-500 dark:text-slate-400 mb-6">
+          Chi tiết 25 lượt truy cập liên kết mới nhất
+        </p>
+
+        {analytics.recent_clicks.length === 0 ? (
+          <div className="py-8 text-center text-xs text-slate-400">
+            Chưa có lượt click nào được ghi nhận cho liên kết này.
+          </div>
+        ) : (
+          <div className="overflow-x-auto">
+            <table className="w-full text-left text-xs">
+              <thead className="bg-slate-50 dark:bg-slate-800/50 text-[11px] font-semibold uppercase text-slate-400 border-b border-slate-200 dark:border-slate-800">
+                <tr>
+                  <th className="p-3">Thời gian</th>
+                  <th className="p-3">Thiết bị</th>
+                  <th className="p-3">Hệ điều hành / Trình duyệt</th>
+                  <th className="p-3">Vị trí</th>
+                  <th className="p-3">Nguồn</th>
+                </tr>
+              </thead>
+              <tbody className="divide-y divide-slate-100 dark:divide-slate-800">
+                {analytics.recent_clicks.map((click) => {
+                  const d = new Date(click.created_at);
+                  const timeFormatted = d.toLocaleString("vi-VN", {
+                    hour: "2-digit",
+                    minute: "2-digit",
+                    second: "2-digit",
+                    day: "2-digit",
+                    month: "2-digit",
+                    year: "numeric",
+                  });
+
+                  return (
+                    <tr key={click.id} className="hover:bg-slate-50/50 dark:hover:bg-slate-800/50">
+                      <td className="p-3 font-mono text-slate-600 dark:text-slate-400">
+                        {timeFormatted}
+                      </td>
+                      <td className="p-3">
+                        <span className="capitalize font-semibold text-slate-800 dark:text-slate-200">
+                          {click.device_type}
+                        </span>
+                      </td>
+                      <td className="p-3 text-slate-600 dark:text-slate-300">
+                        <div>{click.os}</div>
+                        <div className="text-[10px] text-slate-400">{click.browser}</div>
+                      </td>
+                      <td className="p-3 text-slate-700 dark:text-slate-200">
+                        <div className="flex items-center gap-1.5">
+                          <span className="font-mono text-[10px] px-1 py-0.5 rounded bg-slate-100 dark:bg-slate-800 text-slate-500">
+                            {click.country_code}
+                          </span>
+                          <span>{click.city ? `${click.city}, ` : ""}{click.country_name}</span>
+                        </div>
+                      </td>
+                      <td className="p-3 text-slate-500 truncate max-w-xs">
+                        {click.referrer || "Trực tiếp"}
+                      </td>
+                    </tr>
+                  );
+                })}
+              </tbody>
+            </table>
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}

src/app/dashboard/urls/page.tsx

@@ -1,6 +1,7 @@
 "use client";
 
 import { useState, useEffect } from "react";
+import Link from "next/link";
 import {
   Link2,
   Plus,
@@ -331,10 +332,14 @@ export default function UserUrlsPage() {
                       </div>
                     </td>
                     <td className="p-4 text-center">
-                      <span className="inline-flex items-center gap-1 font-bold text-slate-800 dark:text-slate-200">
-                        <BarChart2 className="w-3.5 h-3.5 text-indigo-500" />
+                      <Link
+                        href={`/dashboard/urls/${u.id}/analytics`}
+                        className="inline-flex items-center gap-1 font-bold text-slate-800 dark:text-slate-200 hover:text-indigo-600 dark:hover:text-indigo-400 transition-colors group"
+                        title="Xem thống kê chi tiết"
+                      >
+                        <BarChart2 className="w-3.5 h-3.5 text-indigo-500 group-hover:scale-110 transition-transform" />
                         {u.clicks_count}
-                      </span>
+                      </Link>
                     </td>
                     <td className="p-4 text-center">
                       <button
@@ -351,6 +356,13 @@ export default function UserUrlsPage() {
                     </td>
                     <td className="p-4 text-right">
                       <div className="flex items-center justify-end gap-1">
+                        <Link
+                          href={`/dashboard/urls/${u.id}/analytics`}
+                          className="p-2 text-slate-400 hover:text-indigo-600 dark:hover:text-indigo-400 rounded-lg transition-colors"
+                          title="Thống kê chi tiết"
+                        >
+                          <BarChart2 className="w-4 h-4" />
+                        </Link>
                         <button
                           onClick={() => showQr(u.short_url)}
                           className="p-2 text-slate-400 hover:text-indigo-600 dark:hover:text-indigo-400 rounded-lg transition-colors"

src/lib/url-metadata.ts

@@ -6,7 +6,7 @@ import * as cheerio from "cheerio";
 export async function fetchUrlTitle(targetUrl: string): Promise<string | null> {
   try {
     const controller = new AbortController();
-    const timeout = setTimeout(() => controller.abort(), 6000);
+    const timeout = setTimeout(() => controller.abort(), 2500);
 
     const res = await fetch(targetUrl, {
       signal: controller.signal,