Add date range filter and product details modal

- All dashboard API endpoints now accept ?from=&to= date parameters
- Date filter bar with From/To inputs, Apply and Clear buttons
- New product details endpoint (GET /api/dashboard/product-details?code=)
- Clickable product list items open slide-over modal with:
  - Sales over time chart (revenue + profit)
  - Top customers list
  - Suppliers list

src/app/Http/Controllers/DashboardController.php

@@ -3,6 +3,7 @@
 namespace App\Http\Controllers;
 
 use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
 use Illuminate\Support\Facades\DB;
 
 class DashboardController extends Controller
@@ -12,28 +13,45 @@ public function index()
         return view('dashboard');
     }
 
-    public function summary(): JsonResponse
+    private function dateRange(Request $request): array
     {
+        $from = $request->query('from');
+        $to = $request->query('to');
+        return [
+            $from ?: null,
+            $to ? $to . ' 23:59:59' : null,
+        ];
+    }
+
+    public function summary(Request $request): JsonResponse
+    {
+        [$from, $to] = $this->dateRange($request);
+
         $totalSuppliers = DB::table('PL_SUPPLIERACCOUNT')->count();
         $totalProducts = DB::table('STK_STOCKITEM')->where('ISACTVE', 'Y')->count();
         $totalCustomers = DB::table('SL_CUSTOMERACCOUNT')->count();
 
-        $purchaseSpend = DB::table('PL_BILLTRAN')
+        $purchaseQ = DB::table('PL_BILLTRAN as il')
-            ->selectRaw('COALESCE(SUM(QTYTOINVOICE * COSTPRICE / COSTPRICEPER), 0) as total')
+            ->join('PL_BILL as i', 'il.REFNO', '=', 'i.REFNO');
-            ->value('total');
+        if ($from) $purchaseQ->where('i.DOCDTETME', '>=', $from);
+        if ($to) $purchaseQ->where('i.DOCDTETME', '<=', $to);
+        $purchaseSpend = $purchaseQ->selectRaw('COALESCE(SUM(il.QTYTOINVOICE * il.COSTPRICE / il.COSTPRICEPER), 0) as total')->value('total');
 
-        $salesRevenue = DB::table('SL_SALESINVOICETRAN')
+        $salesQ = DB::table('SL_SALESINVOICETRAN as sl')
-            ->selectRaw('COALESCE(SUM(QTYTOINVOICE * SELLINGPRICE / SELLINGPRICEPER), 0) as total')
+            ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO');
-            ->value('total');
+        if ($from) $salesQ->where('si.DOCDTETME', '>=', $from);
+        if ($to) $salesQ->where('si.DOCDTETME', '<=', $to);
 
-        $salesCost = DB::table('SL_SALESINVOICETRAN')
+        $salesRevenue = (clone $salesQ)->selectRaw('COALESCE(SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER), 0) as total')->value('total');
-            ->selectRaw('COALESCE(SUM(QTYTOINVOICE * COSTPRICE / COSTPRICEPER), 0) as total')
+        $salesCost = (clone $salesQ)->selectRaw('COALESCE(SUM(sl.QTYTOINVOICE * sl.COSTPRICE / sl.COSTPRICEPER), 0) as total')->value('total');
-            ->value('total');
 
         $grossProfit = $salesRevenue - $salesCost;
         $margin = $salesRevenue > 0 ? round(($grossProfit / $salesRevenue) * 100, 1) : 0;
 
-        $totalInvoices = DB::table('PL_BILL')->count();
+        $invoiceQ = DB::table('PL_BILL');
+        if ($from) $invoiceQ->where('DOCDTETME', '>=', $from);
+        if ($to) $invoiceQ->where('DOCDTETME', '<=', $to);
+        $totalInvoices = $invoiceQ->count();
 
         return response()->json([
             'total_suppliers' => $totalSuppliers,
@@ -47,29 +65,37 @@ public function summary(): JsonResponse
         ]);
     }
 
-    public function topSuppliers(): JsonResponse
+    public function topSuppliers(Request $request): JsonResponse
     {
-        $suppliers = DB::table('PL_BILLTRAN as il')
+        [$from, $to] = $this->dateRange($request);
+
+        $q = DB::table('PL_BILLTRAN as il')
             ->join('PL_BILL as i', 'il.REFNO', '=', 'i.REFNO')
             ->selectRaw('i.ACCNO as code, i.SUPLNME as name, COUNT(DISTINCT i.REFNO) as invoice_count, SUM(il.QTYTOINVOICE * il.COSTPRICE / il.COSTPRICEPER) as total_spend, SUM(il.QTYTOINVOICE) as total_qty')
             ->groupBy('i.ACCNO', 'i.SUPLNME')
             ->orderByDesc('total_spend')
-            ->limit(10)
+            ->limit(10);
-            ->get();
+        if ($from) $q->where('i.DOCDTETME', '>=', $from);
+        if ($to) $q->where('i.DOCDTETME', '<=', $to);
 
-        return response()->json($suppliers);
+        return response()->json($q->get());
     }
 
-    public function topProducts(): JsonResponse
+    public function topProducts(Request $request): JsonResponse
     {
-        $products = DB::table('SL_SALESINVOICETRAN as sl')
+        [$from, $to] = $this->dateRange($request);
+
+        $q = DB::table('SL_SALESINVOICETRAN as sl')
             ->join('STK_STOCKITEM as p', 'sl.STOCKCODE', '=', 'p.STOCKCODE')
+            ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO')
             ->selectRaw('sl.STOCKCODE as code, p.DESCRIPTION as name, SUM(sl.QTYTOINVOICE) as total_qty_sold, SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER) as total_revenue, SUM(sl.QTYTOINVOICE * sl.COSTPRICE / sl.COSTPRICEPER) as total_cost')
             ->groupBy('sl.STOCKCODE', 'p.DESCRIPTION')
             ->orderByDesc('total_revenue')
-            ->limit(10)
+            ->limit(10);
-            ->get()
+        if ($from) $q->where('si.DOCDTETME', '>=', $from);
-            ->map(function ($item) {
+        if ($to) $q->where('si.DOCDTETME', '<=', $to);
+
+        $products = $q->get()->map(function ($item) {
                 $item->margin = $item->total_revenue > 0
                     ? round((($item->total_revenue - $item->total_cost) / $item->total_revenue) * 100, 1)
                     : 0;
@@ -79,29 +105,36 @@ public function topProducts(): JsonResponse
         return response()->json($products);
     }
 
-    public function spendOverTime(): JsonResponse
+    public function spendOverTime(Request $request): JsonResponse
     {
-        $data = DB::table('PL_BILLTRAN as il')
+        [$from, $to] = $this->dateRange($request);
+
+        $q = DB::table('PL_BILLTRAN as il')
             ->join('PL_BILL as i', 'il.REFNO', '=', 'i.REFNO')
             ->selectRaw("DATE_FORMAT(i.DOCDTETME, '%Y-%m') as month, SUM(il.QTYTOINVOICE * il.COSTPRICE / il.COSTPRICEPER) as total_spend")
             ->whereNotNull('i.DOCDTETME')
             ->groupByRaw("DATE_FORMAT(i.DOCDTETME, '%Y-%m')")
-            ->orderBy('month')
+            ->orderBy('month');
-            ->get();
+        if ($from) $q->where('i.DOCDTETME', '>=', $from);
+        if ($to) $q->where('i.DOCDTETME', '<=', $to);
 
-        return response()->json($data);
+        return response()->json($q->get());
     }
 
-    public function salesOverTime(): JsonResponse
+    public function salesOverTime(Request $request): JsonResponse
     {
-        $data = DB::table('SL_SALESINVOICETRAN as sl')
+        [$from, $to] = $this->dateRange($request);
+
+        $q = DB::table('SL_SALESINVOICETRAN as sl')
             ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO')
             ->selectRaw("DATE_FORMAT(si.DOCDTETME, '%Y-%m') as month, SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER) as total_revenue, SUM(sl.QTYTOINVOICE * sl.COSTPRICE / sl.COSTPRICEPER) as total_cost")
             ->whereNotNull('si.DOCDTETME')
             ->groupByRaw("DATE_FORMAT(si.DOCDTETME, '%Y-%m')")
-            ->orderBy('month')
+            ->orderBy('month');
-            ->get()
+        if ($from) $q->where('si.DOCDTETME', '>=', $from);
-            ->map(function ($item) {
+        if ($to) $q->where('si.DOCDTETME', '<=', $to);
+
+        $data = $q->get()->map(function ($item) {
                 $item->gross_profit = round($item->total_revenue - $item->total_cost, 2);
                 return $item;
             });
@@ -109,17 +142,21 @@ public function salesOverTime(): JsonResponse
         return response()->json($data);
     }
 
-    public function categoryBreakdown(): JsonResponse
+    public function categoryBreakdown(Request $request): JsonResponse
     {
-        $data = DB::table('SL_SALESINVOICETRAN as sl')
+        [$from, $to] = $this->dateRange($request);
+
+        $q = DB::table('SL_SALESINVOICETRAN as sl')
             ->join('STK_STOCKITEM as p', 'sl.STOCKCODE', '=', 'p.STOCKCODE')
+            ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO')
             ->leftJoin('STK_STOCKCATEGORY as c', 'p.CATEGORY', '=', 'c.STCKCTGRYCDE')
             ->selectRaw("COALESCE(c.STCKCTGRYDESC, 'Uncategorized') as category, SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER) as revenue, SUM(sl.QTYTOINVOICE * sl.COSTPRICE / sl.COSTPRICEPER) as cost, SUM(sl.QTYTOINVOICE) as qty")
             ->groupByRaw("COALESCE(c.STCKCTGRYDESC, 'Uncategorized')")
-            ->orderByDesc('revenue')
+            ->orderByDesc('revenue');
-            ->get();
+        if ($from) $q->where('si.DOCDTETME', '>=', $from);
+        if ($to) $q->where('si.DOCDTETME', '<=', $to);
 
-        return response()->json($data);
+        return response()->json($q->get());
     }
 
     public function supplierProducts(string $supplierCode): JsonResponse
@@ -154,4 +191,61 @@ public function supplierProducts(string $supplierCode): JsonResponse
             'timeline' => $timeline,
         ]);
     }
+
+    public function productDetails(Request $request): JsonResponse
+    {
+        $stockCode = $request->query('code', '');
+        if (!$stockCode) {
+            return response()->json(['error' => 'Missing code parameter'], 400);
+        }
+
+        $product = DB::table('STK_STOCKITEM as p')
+            ->leftJoin('STK_STOCKCATEGORY as c', 'p.CATEGORY', '=', 'c.STCKCTGRYCDE')
+            ->where('p.STOCKCODE', $stockCode)
+            ->selectRaw("p.STOCKCODE as code, p.DESCRIPTION as name, COALESCE(c.STCKCTGRYDESC, 'Uncategorized') as category")
+            ->first();
+
+        // Sales timeline
+        $salesTimeline = DB::table('SL_SALESINVOICETRAN as sl')
+            ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO')
+            ->where('sl.STOCKCODE', $stockCode)
+            ->whereNotNull('si.DOCDTETME')
+            ->selectRaw("DATE_FORMAT(si.DOCDTETME, '%Y-%m') as month, SUM(sl.QTYTOINVOICE) as qty_sold, SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER) as revenue, SUM(sl.QTYTOINVOICE * sl.COSTPRICE / sl.COSTPRICEPER) as cost")
+            ->groupByRaw("DATE_FORMAT(si.DOCDTETME, '%Y-%m')")
+            ->orderBy('month')
+            ->get()
+            ->map(function ($item) {
+                $item->profit = round($item->revenue - $item->cost, 2);
+                return $item;
+            });
+
+        // Top customers buying this product
+        $topCustomers = DB::table('SL_SALESINVOICETRAN as sl')
+            ->join('SL_SALESINVOICE as si', 'sl.REFNO', '=', 'si.REFNO')
+            ->join('SL_CUSTOMERACCOUNT as ca', 'si.ACCNO', '=', 'ca.DBTRCDE')
+            ->where('sl.STOCKCODE', $stockCode)
+            ->selectRaw('ca.DBTRCDE as code, ca.DBTRNME as name, SUM(sl.QTYTOINVOICE) as total_qty, SUM(sl.QTYTOINVOICE * sl.SELLINGPRICE / sl.SELLINGPRICEPER) as total_revenue, COUNT(DISTINCT si.REFNO) as invoice_count')
+            ->groupBy('ca.DBTRCDE', 'ca.DBTRNME')
+            ->orderByDesc('total_revenue')
+            ->limit(15)
+            ->get();
+
+        // Suppliers providing this product
+        $suppliers = DB::table('PL_BILLTRAN as il')
+            ->join('PL_BILL as i', 'il.REFNO', '=', 'i.REFNO')
+            ->join('PL_SUPPLIERACCOUNT as sa', 'i.ACCNO', '=', 'sa.SUPLCDE')
+            ->where('il.STOCKCODE', $stockCode)
+            ->selectRaw('sa.SUPLCDE as code, sa.SUPLNME as name, SUM(il.QTYTOINVOICE) as total_qty, SUM(il.QTYTOINVOICE * il.COSTPRICE / il.COSTPRICEPER) as total_cost, COUNT(DISTINCT i.REFNO) as invoice_count')
+            ->groupBy('sa.SUPLCDE', 'sa.SUPLNME')
+            ->orderByDesc('total_cost')
+            ->limit(10)
+            ->get();
+
+        return response()->json([
+            'product' => $product,
+            'sales_timeline' => $salesTimeline,
+            'top_customers' => $topCustomers,
+            'suppliers' => $suppliers,
+        ]);
+    }
 }

src/resources/views/dashboard.blade.php

@@ -117,6 +117,17 @@
                 </button>
             </div>
         </div>
+        <!-- Date Range Filter Bar -->
+        <div class="max-w-[1600px] mx-auto px-6 py-2 flex items-center gap-3 border-t border-white/5">
+            <svg class="w-4 h-4 text-slate-400 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"/></svg>
+            <label class="text-xs text-slate-400">From</label>
+            <input type="date" id="filter-from" class="bg-white/5 border border-white/10 rounded-lg px-3 py-1.5 text-xs text-white focus:border-red-500 focus:outline-none focus:ring-1 focus:ring-red-500/30" />
+            <label class="text-xs text-slate-400">To</label>
+            <input type="date" id="filter-to" class="bg-white/5 border border-white/10 rounded-lg px-3 py-1.5 text-xs text-white focus:border-red-500 focus:outline-none focus:ring-1 focus:ring-red-500/30" />
+            <button onclick="loadAllData()" class="px-3 py-1.5 text-xs font-medium rounded-lg bg-red-700/80 hover:bg-red-600 transition-colors border border-red-600/30">Apply</button>
+            <button onclick="clearDateFilter()" class="px-3 py-1.5 text-xs font-medium rounded-lg bg-white/5 hover:bg-white/10 transition-colors border border-white/10">Clear</button>
+            <span id="filter-status" class="text-xs text-slate-500 ml-auto"></span>
+        </div>
     </header>
 
     <main class="max-w-[1600px] mx-auto px-6 py-8 space-y-8">
@@ -273,12 +284,12 @@
 
     <!-- Supplier Detail Modal -->
     <div id="supplier-modal" class="fixed inset-0 z-50 hidden">
-        <div class="modal-backdrop absolute inset-0" onclick="closeModal()"></div>
+        <div class="modal-backdrop absolute inset-0" onclick="closeModal('supplier')"></div>
         <div class="absolute right-0 top-0 h-full w-full max-w-2xl glass bg-slate-900/95 border-l border-white/10 overflow-y-auto transform transition-transform duration-300 translate-x-full" id="modal-panel">
             <div class="p-6">
                 <div class="flex items-center justify-between mb-6">
                     <h2 class="text-lg font-bold" id="modal-supplier-name">Supplier Details</h2>
-                    <button onclick="closeModal()" class="w-8 h-8 rounded-lg bg-white/5 hover:bg-white/10 flex items-center justify-center transition-colors">
+                    <button onclick="closeModal('supplier')" class="w-8 h-8 rounded-lg bg-white/5 hover:bg-white/10 flex items-center justify-center transition-colors">
                         <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
                     </button>
                 </div>
@@ -294,6 +305,29 @@
         </div>
     </div>
 
+    <!-- Product Detail Modal -->
+    <div id="product-modal" class="fixed inset-0 z-50 hidden">
+        <div class="modal-backdrop absolute inset-0" onclick="closeModal('product')"></div>
+        <div class="absolute right-0 top-0 h-full w-full max-w-2xl glass bg-slate-900/95 border-l border-white/10 overflow-y-auto transform transition-transform duration-300 translate-x-full" id="product-modal-panel">
+            <div class="p-6">
+                <div class="flex items-center justify-between mb-6">
+                    <h2 class="text-lg font-bold" id="modal-product-name">Product Details</h2>
+                    <button onclick="closeModal('product')" class="w-8 h-8 rounded-lg bg-white/5 hover:bg-white/10 flex items-center justify-center transition-colors">
+                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/></svg>
+                    </button>
+                </div>
+                <div id="product-modal-content">
+                    <div class="space-y-3">
+                        <div class="skeleton h-8 w-48"></div>
+                        <div class="skeleton h-64 w-full"></div>
+                        <div class="skeleton h-12 w-full"></div>
+                        <div class="skeleton h-12 w-full"></div>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+
     <script>
         // ── Helpers ──
         const fmt = (n) => new Intl.NumberFormat('en-ZA', { style: 'currency', currency: 'ZAR', maximumFractionDigits: 0 }).format(n);
@@ -339,12 +373,50 @@
         Chart.defaults.animation.duration = 800;
 
         // ── Chart instances ──
-        let chartSpendTime, chartSalesTime, chartCategory, chartSupplierBar, chartModalTimeline;
+        let chartSpendTime, chartSalesTime, chartCategory, chartSupplierBar, chartModalTimeline, chartProductTimeline;
+
+        // ── Date filter helpers ──
+        function getDateParams() {
+            const from = document.getElementById('filter-from').value;
+            const to = document.getElementById('filter-to').value;
+            const params = new URLSearchParams();
+            if (from) params.set('from', from);
+            if (to) params.set('to', to);
+            return params.toString();
+        }
+
+        function clearDateFilter() {
+            document.getElementById('filter-from').value = '';
+            document.getElementById('filter-to').value = '';
+            document.getElementById('filter-status').textContent = '';
+            loadAllData();
+        }
+
+        function updateFilterStatus() {
+            const from = document.getElementById('filter-from').value;
+            const to = document.getElementById('filter-to').value;
+            const el = document.getElementById('filter-status');
+            if (from || to) {
+                const parts = [];
+                if (from) parts.push('from ' + from);
+                if (to) parts.push('to ' + to);
+                el.textContent = 'Filtered: ' + parts.join(' ');
+                el.classList.add('text-red-400');
+                el.classList.remove('text-slate-500');
+            } else {
+                el.textContent = 'Showing all time';
+                el.classList.remove('text-red-400');
+                el.classList.add('text-slate-500');
+            }
+        }
 
         // ── Data loading ──
         async function fetchJson(url) {
-            const res = await fetch(url);
+            const qs = getDateParams();
-            if (!res.ok) throw new Error(`Failed to fetch ${url}`);
+            const separator = url.includes('?') ? '&' : '?';
+            const fullUrl = qs ? url + separator + qs : url;
+            const res = await fetch(fullUrl);
+            if (!res.ok) throw new Error(`Failed to fetch ${fullUrl}`);
             return res.json();
         }
 
@@ -529,8 +601,9 @@ function update(currentTime) {
             const maxRev = data.length > 0 ? Math.max(...data.map(d => d.total_revenue)) : 1;
 
             container.innerHTML = data.map((p, i) => `
-                <div class="flex items-center gap-3 p-3 rounded-xl bg-white/[0.03] hover:bg-white/[0.06] transition-colors fade-in"
+                <div class="flex items-center gap-3 p-3 rounded-xl bg-white/[0.03] hover:bg-white/[0.06] transition-colors cursor-pointer fade-in"
-                     style="animation-delay: ${i * 60}ms">
+                     style="animation-delay: ${i * 60}ms"
+                     onclick="openProductModal('${encodeURIComponent(p.code)}')">
                     <div class="w-7 h-7 rounded-lg flex items-center justify-center text-xs font-bold shrink-0 ${i < 3 ? 'rank-' + (i+1) : 'bg-white/10'}">
                         ${i + 1}
                     </div>
@@ -548,6 +621,7 @@ function update(currentTime) {
                         <div class="text-sm font-semibold">${fmt(p.total_revenue)}</div>
                         <div class="text-xs text-slate-500">${fmtNum(p.total_qty_sold)} units</div>
                     </div>
+                    <svg class="w-4 h-4 text-slate-500 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/></svg>
                 </div>
             `).join('');
         }
@@ -671,15 +745,152 @@ function openSupplierModal(code) {
             });
         }
 
-        function closeModal() {
+        // ── Product Modal ──
-            const panel = document.getElementById('modal-panel');
+        function openProductModal(code) {
-            panel.classList.add('translate-x-full');
+            const modal = document.getElementById('product-modal');
-            setTimeout(() => document.getElementById('supplier-modal').classList.add('hidden'), 300);
+            const panel = document.getElementById('product-modal-panel');
+            modal.classList.remove('hidden');
+            setTimeout(() => panel.classList.remove('translate-x-full'), 10);
+
+            document.getElementById('product-modal-content').innerHTML = `
+                <div class="space-y-3">
+                    <div class="skeleton h-8 w-48"></div>
+                    <div class="skeleton h-64 w-full"></div>
+                    <div class="skeleton h-12 w-full"></div>
+                    <div class="skeleton h-12 w-full"></div>
+                </div>
+            `;
+
+            fetch('/api/dashboard/product-details?code=' + code).then(r => r.json()).then(data => {
+                const product = data.product || {};
+                document.getElementById('modal-product-name').textContent = product.name || code;
+
+                let html = '';
+
+                // Product info badge
+                html += `<div class="flex items-center gap-2 mb-4">
+                    <span class="px-2 py-1 text-xs rounded-full bg-yellow-500/10 text-yellow-400">${product.category || ''}</span>
+                    <span class="text-xs text-slate-500 font-mono">${product.code || ''}</span>
+                </div>`;
+
+                // Sales timeline chart
+                if (data.sales_timeline && data.sales_timeline.length > 0) {
+                    html += `<div class="mb-6"><h4 class="text-xs font-semibold text-slate-400 uppercase mb-3">Sales Over Time</h4><div class="h-48"><canvas id="chart-product-timeline"></canvas></div></div>`;
+                }
+
+                // Top customers
+                if (data.top_customers && data.top_customers.length > 0) {
+                    html += `<h4 class="text-xs font-semibold text-slate-400 uppercase mb-3">Top Customers</h4>`;
+                    html += `<div class="space-y-2 mb-6">`;
+                    const maxRev = Math.max(...data.top_customers.map(x => x.total_revenue));
+                    data.top_customers.forEach((c, i) => {
+                        html += `
+                            <div class="flex items-center gap-3 p-3 rounded-lg bg-white/[0.03]">
+                                <span class="text-xs font-mono text-slate-500 w-6">${i + 1}.</span>
+                                <div class="flex-1 min-w-0">
+                                    <div class="text-sm font-medium truncate">${c.name}</div>
+                                    <div class="mt-1 h-1 rounded-full bg-white/5 overflow-hidden">
+                                        <div class="h-full rounded-full bg-gradient-to-r from-yellow-500 to-orange-500"
+                                             style="width: ${(c.total_revenue / maxRev * 100).toFixed(1)}%"></div>
+                                    </div>
+                                </div>
+                                <div class="text-right shrink-0">
+                                    <div class="text-sm font-semibold">${fmt(c.total_revenue)}</div>
+                                    <div class="text-xs text-slate-500">${fmtNum(c.total_qty)} units &middot; ${c.invoice_count} inv</div>
+                                </div>
+                            </div>
+                        `;
+                    });
+                    html += `</div>`;
+                }
+
+                // Suppliers providing this product
+                if (data.suppliers && data.suppliers.length > 0) {
+                    html += `<h4 class="text-xs font-semibold text-slate-400 uppercase mb-3">Suppliers</h4>`;
+                    html += `<div class="space-y-2">`;
+                    const maxCost = Math.max(...data.suppliers.map(x => x.total_cost));
+                    data.suppliers.forEach((s, i) => {
+                        html += `
+                            <div class="flex items-center gap-3 p-3 rounded-lg bg-white/[0.03]">
+                                <span class="text-xs font-mono text-slate-500 w-6">${i + 1}.</span>
+                                <div class="flex-1 min-w-0">
+                                    <div class="text-sm font-medium truncate">${s.name}</div>
+                                    <div class="mt-1 h-1 rounded-full bg-white/5 overflow-hidden">
+                                        <div class="h-full rounded-full bg-gradient-to-r from-red-600 to-red-500"
+                                             style="width: ${(s.total_cost / maxCost * 100).toFixed(1)}%"></div>
+                                    </div>
+                                </div>
+                                <div class="text-right shrink-0">
+                                    <div class="text-sm font-semibold">${fmt(s.total_cost)}</div>
+                                    <div class="text-xs text-slate-500">${fmtNum(s.total_qty)} units &middot; ${s.invoice_count} inv</div>
+                                </div>
+                            </div>
+                        `;
+                    });
+                    html += `</div>`;
+                }
+
+                document.getElementById('product-modal-content').innerHTML = html;
+
+                // Render sales timeline chart
+                if (data.sales_timeline && data.sales_timeline.length > 0) {
+                    const tCtx = document.getElementById('chart-product-timeline').getContext('2d');
+                    if (chartProductTimeline) chartProductTimeline.destroy();
+                    chartProductTimeline = new Chart(tCtx, {
+                        type: 'bar',
+                        data: {
+                            labels: data.sales_timeline.map(d => fmtMonth(d.month)),
+                            datasets: [
+                                {
+                                    label: 'Revenue',
+                                    data: data.sales_timeline.map(d => d.revenue),
+                                    backgroundColor: colors.goldFaded,
+                                    borderColor: colors.gold,
+                                    borderWidth: 1,
+                                    borderRadius: 4,
+                                },
+                                {
+                                    label: 'Profit',
+                                    data: data.sales_timeline.map(d => d.profit),
+                                    backgroundColor: colors.orangeFaded,
+                                    borderColor: colors.orange,
+                                    borderWidth: 1,
+                                    borderRadius: 4,
+                                }
+                            ]
+                        },
+                        options: {
+                            responsive: true,
+                            maintainAspectRatio: false,
+                            scales: {
+                                x: { grid: { display: false }, ticks: { maxTicksLimit: 12 } },
+                                y: { ticks: { callback: v => fmt(v) }, grid: { color: 'rgba(255,255,255,0.03)' } }
+                            },
+                            plugins: {
+                                tooltip: { callbacks: { label: ctx => ctx.dataset.label + ': ' + fmt(ctx.parsed.y) } }
+                            }
+                        }
+                    });
+                }
+            });
+        }
+
+        function closeModal(type) {
+            if (type === 'product') {
+                const panel = document.getElementById('product-modal-panel');
+                panel.classList.add('translate-x-full');
+                setTimeout(() => document.getElementById('product-modal').classList.add('hidden'), 300);
+            } else {
+                const panel = document.getElementById('modal-panel');
+                panel.classList.add('translate-x-full');
+                setTimeout(() => document.getElementById('supplier-modal').classList.add('hidden'), 300);
+            }
         }
 
         // ── Load everything ──
         async function loadAllData() {
             document.getElementById('last-updated').textContent = 'Loading...';
+            updateFilterStatus();
             await Promise.all([
                 loadSummary(),
                 loadSpendOverTime(),

src/routes/web.php

@@ -14,4 +14,5 @@
     Route::get('/sales-over-time', [DashboardController::class, 'salesOverTime']);
     Route::get('/category-breakdown', [DashboardController::class, 'categoryBreakdown']);
     Route::get('/supplier/{code}', [DashboardController::class, 'supplierProducts']);
+    Route::get('/product-details', [DashboardController::class, 'productDetails']);
 });