diff --git a/routes/reports.js b/routes/reports.js
new file mode 100644
index 0000000..b0bfed0
--- /dev/null
+++ b/routes/reports.js
@@ -0,0 +1,45 @@
+'use strict';
+
+/**
+ * routes/reports.js
+ * Kategori bazlı raporlama — API ucu + HTML rapor sayfası.
+ */
+
+const express = require('express');
+const router = express.Router();
+const reportService = require('../services/reportService');
+const categoryModel = require('../models/categoryModel');
+
+/** GET /category — raporlama sayfası (tüm kategori özetleri + seçim) */
+router.get('/category', (req, res) => {
+  const categories = categoryModel.readAll();
+  const summaries = reportService.allCategorySummary();
+  res.render('reports/category', {
+    title: 'Kategori Raporu',
+    categories,
+    summaries,
+    bodyClass: 'reports-page'
+  });
+});
+
+/** GET /api/category/:id — JSON rapor ucu */
+router.get('/api/category/:id', (req, res) => {
+  const { from, to } = req.query;
+  const idParam = req.params.id;
+  const catId = idParam === 'all' ? 0 : Number(idParam);
+  if (isNaN(catId) && idParam !== 'all') {
+    return res.status(400).json({ error: 'Geçersiz kategori ID' });
+  }
+  const report = reportService.categoryReport(catId, {
+    fromDate: from || '',
+    toDate: to || ''
+  });
+  res.json(report);
+});
+
+/** GET /api/all — tüm kategorilerin özet raporu (JSON) */
+router.get('/api/all', (req, res) => {
+  res.json(reportService.allCategorySummary());
+});
+
+module.exports = router;