diff --git a/PlanTempus.Application/Features/Reports/Pages/Index.cshtml b/PlanTempus.Application/Features/Reports/Pages/Index.cshtml
index 81776df..d51ba43 100644
--- a/PlanTempus.Application/Features/Reports/Pages/Index.cshtml
+++ b/PlanTempus.Application/Features/Reports/Pages/Index.cshtml
@@ -391,188 +391,6 @@
 @section Scripts {
 <script type="module">
     import { createChart } from '/lib/swp-charting/dist/swp-charting.js';
-    import Fuse from '/lib/fuse/fuse.mjs';
-
-    // === SEARCH FUNCTIONALITY ===
-    const searchInput = document.getElementById('searchInput');
-    const tableRows = document.querySelectorAll('swp-card.sales-table swp-data-table-row');
-
-    // Build searchable data from table rows
-    const salesData = Array.from(tableRows).map((row, index) => {
-        const cells = row.querySelectorAll('swp-data-table-cell');
-        return {
-            index,
-            invoice: cells[0]?.textContent?.trim() || '',
-            date: cells[1]?.textContent?.trim() || '',
-            customer: cells[2]?.textContent?.trim() || '',
-            employee: cells[3]?.textContent?.trim() || '',
-            services: cells[4]?.textContent?.trim() || '',
-            amount: cells[5]?.textContent?.trim() || '',
-            payment: cells[6]?.textContent?.trim() || '',
-            status: cells[7]?.textContent?.trim() || ''
-        };
-    });
-
-    // Initialize Fuse.js
-    const fuse = new Fuse(salesData, {
-        keys: ['invoice', 'customer', 'employee', 'services', 'amount', 'payment', 'status'],
-        threshold: 0.3,
-        ignoreLocation: true
-    });
-
-    // Parse amount string "1.450 kr" -> 1450
-    function parseAmountFromText(text) {
-        const match = text.match(/-?([\d.]+)/);
-        if (!match) return null;
-        // Remove thousand separators (Danish format uses . for thousands)
-        return parseFloat(match[1].replace(/\./g, ''));
-    }
-
-    // Parse invoice number "#1847" -> 1847
-    function parseInvoiceNumber(text) {
-        const match = text.match(/#(\d+)/);
-        return match ? parseInt(match[1], 10) : null;
-    }
-
-    // Parse range operators from query (supports both amount and invoice ranges)
-    function parseRangeQuery(query) {
-        let textQuery = query;
-        let minAmount = null;
-        let maxAmount = null;
-        let minInvoice = null;
-        let maxInvoice = null;
-
-        // === INVOICE NUMBER RANGES (with # prefix) ===
-        // Match #1840-1845
-        let match = textQuery.match(/#(\d+)-(\d+)/);
-        if (match) {
-            minInvoice = parseInt(match[1], 10);
-            maxInvoice = parseInt(match[2], 10);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match #>=
-        match = textQuery.match(/#>=\s*(\d+)/);
-        if (match) {
-            minInvoice = parseInt(match[1], 10);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match #> (but not #>=)
-        match = textQuery.match(/#>\s*(\d+)/);
-        if (match) {
-            minInvoice = parseInt(match[1], 10) + 1;
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match #<=
-        match = textQuery.match(/#<=\s*(\d+)/);
-        if (match) {
-            maxInvoice = parseInt(match[1], 10);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match #< (but not #<=)
-        match = textQuery.match(/#<\s*(\d+)/);
-        if (match) {
-            maxInvoice = parseInt(match[1], 10) - 1;
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // === AMOUNT RANGES (no prefix) ===
-        // Match range syntax: 400-1000
-        match = textQuery.match(/(\d+)-(\d+)/);
-        if (match) {
-            minAmount = parseFloat(match[1]);
-            maxAmount = parseFloat(match[2]);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match >=
-        match = textQuery.match(/>=\s*(\d+(?:\.\d+)?)/);
-        if (match) {
-            minAmount = parseFloat(match[1]);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match > (but not >=)
-        match = textQuery.match(/>\s*(\d+(?:\.\d+)?)/);
-        if (match) {
-            minAmount = parseFloat(match[1]) + 0.01;
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match <=
-        match = textQuery.match(/<=\s*(\d+(?:\.\d+)?)/);
-        if (match) {
-            maxAmount = parseFloat(match[1]);
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        // Match < (but not <=)
-        match = textQuery.match(/<\s*(\d+(?:\.\d+)?)/);
-        if (match) {
-            maxAmount = parseFloat(match[1]) - 0.01;
-            textQuery = textQuery.replace(match[0], '').trim();
-        }
-
-        return { textQuery, minAmount, maxAmount, minInvoice, maxInvoice };
-    }
-
-    // Search handler with range support
-    searchInput.addEventListener('input', (e) => {
-        const query = e.target.value.trim();
-
-        if (!query) {
-            // Show all rows
-            tableRows.forEach(row => row.style.display = '');
-            return;
-        }
-
-        const { textQuery, minAmount, maxAmount, minInvoice, maxInvoice } = parseRangeQuery(query);
-
-        // Start with all indices
-        let matchedIndices = new Set(salesData.map((_, i) => i));
-
-        // Apply invoice number range filter
-        if (minInvoice !== null || maxInvoice !== null) {
-            matchedIndices = new Set(
-                salesData
-                    .filter((item) => {
-                        const invoiceNum = parseInvoiceNumber(item.invoice);
-                        if (invoiceNum === null) return false;
-                        if (minInvoice !== null && invoiceNum < minInvoice) return false;
-                        if (maxInvoice !== null && invoiceNum > maxInvoice) return false;
-                        return true;
-                    })
-                    .map(item => item.index)
-            );
-        }
-
-        // Apply amount range filter
-        if (minAmount !== null || maxAmount !== null) {
-            matchedIndices = new Set(
-                [...matchedIndices].filter(i => {
-                    const amount = parseAmountFromText(salesData[i].amount);
-                    if (amount === null) return false;
-                    if (minAmount !== null && amount < minAmount) return false;
-                    if (maxAmount !== null && amount > maxAmount) return false;
-                    return true;
-                })
-            );
-        }
-
-        // Apply Fuse.js text search if there's remaining text
-        if (textQuery) {
-            const fuseResults = fuse.search(textQuery);
-            const textMatches = new Set(fuseResults.map(r => r.item.index));
-            matchedIndices = new Set([...matchedIndices].filter(i => textMatches.has(i)));
-        }
-
-        tableRows.forEach((row, index) => {
-            row.style.display = matchedIndices.has(index) ? '' : 'none';
-        });
-    });
 
     // Revenue bar chart
     createChart(document.getElementById('revenueChart'), {
diff --git a/PlanTempus.Application/wwwroot/ts/app.ts b/PlanTempus.Application/wwwroot/ts/app.ts
index 595e607..0b05786 100644
--- a/PlanTempus.Application/wwwroot/ts/app.ts
+++ b/PlanTempus.Application/wwwroot/ts/app.ts
@@ -15,6 +15,7 @@ import { ControlsController } from './modules/controls';
 import { ServicesController } from './modules/services';
 import { CustomersController } from './modules/customers';
 import { TrackingController } from './modules/tracking';
+import { ReportsController } from './modules/reports';
 
 /**
  * Main application class
@@ -31,6 +32,7 @@ export class App {
   readonly services: ServicesController;
   readonly customers: CustomersController;
   readonly tracking: TrackingController;
+  readonly reports: ReportsController;
 
   constructor() {
     // Initialize controllers
@@ -45,6 +47,7 @@ export class App {
     this.services = new ServicesController();
     this.customers = new CustomersController();
     this.tracking = new TrackingController();
+    this.reports = new ReportsController();
   }
 }
 
diff --git a/PlanTempus.Application/wwwroot/ts/modules/reports.ts b/PlanTempus.Application/wwwroot/ts/modules/reports.ts
new file mode 100644
index 0000000..cb0de79
--- /dev/null
+++ b/PlanTempus.Application/wwwroot/ts/modules/reports.ts
@@ -0,0 +1,361 @@
+/**
+ * Reports Controller
+ *
+ * Handles search, filtering, and chart rendering for the Reports page.
+ * Supports range queries on amounts and invoice numbers.
+ */
+
+import Fuse from 'fuse.js';
+
+interface SalesDataItem {
+  index: number;
+  invoice: string;
+  date: string;
+  customer: string;
+  employee: string;
+  services: string;
+  amount: string;
+  payment: string;
+  status: string;
+}
+
+interface ParsedQuery {
+  textQuery: string;
+  minAmount: number | null;
+  maxAmount: number | null;
+  minInvoice: number | null;
+  maxInvoice: number | null;
+  invoicePrefix: string | null;
+}
+
+export class ReportsController {
+  private searchInput: HTMLInputElement | null = null;
+  private tableRows: NodeListOf<HTMLElement> | null = null;
+  private salesData: SalesDataItem[] = [];
+  private fuse: Fuse<SalesDataItem> | null = null;
+
+  constructor() {
+    this.searchInput = document.getElementById('searchInput') as HTMLInputElement | null;
+    this.tableRows = document.querySelectorAll<HTMLElement>('swp-card.sales-table swp-data-table-row');
+
+    if (this.searchInput && this.tableRows?.length) {
+      this.buildSearchData();
+      this.initializeFuse();
+      this.setupListeners();
+    }
+
+    this.setupTabs();
+  }
+
+  /**
+   * Build searchable data from table rows
+   */
+  private buildSearchData(): void {
+    if (!this.tableRows) return;
+
+    this.salesData = Array.from(this.tableRows).map((row, index) => {
+      const cells = row.querySelectorAll('swp-data-table-cell');
+      return {
+        index,
+        invoice: cells[0]?.textContent?.trim() || '',
+        date: cells[1]?.textContent?.trim() || '',
+        customer: cells[2]?.textContent?.trim() || '',
+        employee: cells[3]?.textContent?.trim() || '',
+        services: cells[4]?.textContent?.trim() || '',
+        amount: cells[5]?.textContent?.trim() || '',
+        payment: cells[6]?.textContent?.trim() || '',
+        status: cells[7]?.textContent?.trim() || ''
+      };
+    });
+  }
+
+  /**
+   * Initialize Fuse.js for fuzzy text search
+   */
+  private initializeFuse(): void {
+    this.fuse = new Fuse(this.salesData, {
+      keys: ['invoice', 'customer', 'employee', 'services', 'amount', 'payment', 'status'],
+      threshold: 0.3,
+      ignoreLocation: true
+    });
+  }
+
+  /**
+   * Setup event listeners
+   */
+  private setupListeners(): void {
+    this.searchInput?.addEventListener('input', (e) => this.handleSearch(e));
+  }
+
+  /**
+   * Setup tab switching functionality
+   */
+  private setupTabs(): void {
+    const tabs = document.querySelectorAll<HTMLElement>('swp-tab[data-tab]');
+
+    tabs.forEach(tab => {
+      tab.addEventListener('click', () => {
+        const targetTab = tab.dataset.tab;
+        if (targetTab) {
+          this.switchToTab(targetTab);
+        }
+      });
+    });
+  }
+
+  /**
+   * Switch to a specific tab by name
+   */
+  private switchToTab(targetTab: string): void {
+    const tabs = document.querySelectorAll<HTMLElement>('swp-tab[data-tab]');
+    const contents = document.querySelectorAll<HTMLElement>('swp-tab-content[data-tab]');
+
+    tabs.forEach(t => {
+      t.classList.toggle('active', t.dataset.tab === targetTab);
+    });
+
+    contents.forEach(content => {
+      content.classList.toggle('active', content.dataset.tab === targetTab);
+    });
+  }
+
+  /**
+   * Handle search input
+   */
+  private handleSearch(e: Event): void {
+    const target = e.target as HTMLInputElement;
+    const query = target.value.trim();
+
+    if (!query) {
+      this.showAllRows();
+      return;
+    }
+
+    const parsed = this.parseRangeQuery(query);
+    let matchedIndices = new Set(this.salesData.map((_, i) => i));
+
+    // Apply invoice prefix filter
+    if (parsed.invoicePrefix !== null) {
+      matchedIndices = this.filterByInvoicePrefix(parsed.invoicePrefix);
+    }
+
+    // Apply invoice number range filter
+    if (parsed.minInvoice !== null || parsed.maxInvoice !== null) {
+      matchedIndices = this.filterByInvoiceRange(matchedIndices, parsed.minInvoice, parsed.maxInvoice);
+    }
+
+    // Apply amount range filter
+    if (parsed.minAmount !== null || parsed.maxAmount !== null) {
+      matchedIndices = this.filterByAmountRange(matchedIndices, parsed.minAmount, parsed.maxAmount);
+    }
+
+    // Apply Fuse.js text search
+    if (parsed.textQuery) {
+      matchedIndices = this.filterByText(matchedIndices, parsed.textQuery);
+    }
+
+    this.applyFilter(matchedIndices);
+  }
+
+  /**
+   * Show all rows
+   */
+  private showAllRows(): void {
+    this.tableRows?.forEach(row => row.style.display = '');
+  }
+
+  /**
+   * Apply filter to table rows
+   */
+  private applyFilter(matchedIndices: Set<number>): void {
+    this.tableRows?.forEach((row, index) => {
+      row.style.display = matchedIndices.has(index) ? '' : 'none';
+    });
+  }
+
+  /**
+   * Filter by invoice prefix (e.g., #18 matches #1847, #1846)
+   */
+  private filterByInvoicePrefix(prefix: string): Set<number> {
+    return new Set(
+      this.salesData
+        .filter(item => {
+          const invoiceDigits = item.invoice.replace(/\D/g, '');
+          return invoiceDigits.startsWith(prefix);
+        })
+        .map(item => item.index)
+    );
+  }
+
+  /**
+   * Filter by invoice number range
+   */
+  private filterByInvoiceRange(
+    indices: Set<number>,
+    min: number | null,
+    max: number | null
+  ): Set<number> {
+    return new Set(
+      [...indices].filter(i => {
+        const invoiceNum = this.parseInvoiceNumber(this.salesData[i].invoice);
+        if (invoiceNum === null) return false;
+        if (min !== null && invoiceNum < min) return false;
+        if (max !== null && invoiceNum > max) return false;
+        return true;
+      })
+    );
+  }
+
+  /**
+   * Filter by amount range
+   */
+  private filterByAmountRange(
+    indices: Set<number>,
+    min: number | null,
+    max: number | null
+  ): Set<number> {
+    return new Set(
+      [...indices].filter(i => {
+        const amount = this.parseAmountFromText(this.salesData[i].amount);
+        if (amount === null) return false;
+        if (min !== null && amount < min) return false;
+        if (max !== null && amount > max) return false;
+        return true;
+      })
+    );
+  }
+
+  /**
+   * Filter by text using Fuse.js
+   */
+  private filterByText(indices: Set<number>, query: string): Set<number> {
+    if (!this.fuse) return indices;
+
+    const fuseResults = this.fuse.search(query);
+    const textMatches = new Set(fuseResults.map(r => r.item.index));
+    return new Set([...indices].filter(i => textMatches.has(i)));
+  }
+
+  /**
+   * Parse amount string "1.450 kr" -> 1450
+   */
+  private parseAmountFromText(text: string): number | null {
+    const match = text.match(/-?([\d.]+)/);
+    if (!match) return null;
+    return parseFloat(match[1].replace(/\./g, ''));
+  }
+
+  /**
+   * Parse invoice number "#1847" -> 1847
+   */
+  private parseInvoiceNumber(text: string): number | null {
+    const match = text.match(/#(\d+)/);
+    return match ? parseInt(match[1], 10) : null;
+  }
+
+  /**
+   * Parse range operators from query
+   * Supports:
+   * - Amount ranges: >1000, <500, >=500, <=1000, 400-1000
+   * - Invoice ranges: #>1845, #<1845, #>=1845, #<=1845, #1840-1845
+   * - Invoice prefix: #1847 (matches invoices starting with "1847")
+   * - Combined: Maria >1000, #>1845 <500
+   */
+  private parseRangeQuery(query: string): ParsedQuery {
+    let textQuery = query;
+    let minAmount: number | null = null;
+    let maxAmount: number | null = null;
+    let minInvoice: number | null = null;
+    let maxInvoice: number | null = null;
+    let invoicePrefix: string | null = null;
+
+    // === INVOICE NUMBER RANGES (with # prefix) ===
+
+    // Match #1840-1845 (range)
+    let match = textQuery.match(/#(\d+)-(\d+)/);
+    if (match) {
+      minInvoice = parseInt(match[1], 10);
+      maxInvoice = parseInt(match[2], 10);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match #>=
+    match = textQuery.match(/#>=\s*(\d+)/);
+    if (match) {
+      minInvoice = parseInt(match[1], 10);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match #> (but not #>=)
+    if (!match) {
+      match = textQuery.match(/#>\s*(\d+)/);
+      if (match) {
+        minInvoice = parseInt(match[1], 10) + 1;
+        textQuery = textQuery.replace(match[0], '').trim();
+      }
+    }
+
+    // Match #<=
+    match = textQuery.match(/#<=\s*(\d+)/);
+    if (match) {
+      maxInvoice = parseInt(match[1], 10);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match #< (but not #<=)
+    if (!match) {
+      match = textQuery.match(/#<\s*(\d+)/);
+      if (match) {
+        maxInvoice = parseInt(match[1], 10) - 1;
+        textQuery = textQuery.replace(match[0], '').trim();
+      }
+    }
+
+    // Match #1847 (no operator) - prefix match
+    match = textQuery.match(/#(\d+)(?!\d|-)/);
+    if (match) {
+      invoicePrefix = match[1];
+      textQuery = textQuery.replace(/#\d+/, '').trim();
+    }
+
+    // === AMOUNT RANGES (no prefix) ===
+
+    // Match range syntax: 400-1000
+    match = textQuery.match(/(\d+)-(\d+)/);
+    if (match) {
+      minAmount = parseFloat(match[1]);
+      maxAmount = parseFloat(match[2]);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match >=
+    match = textQuery.match(/>=\s*(\d+(?:\.\d+)?)/);
+    if (match) {
+      minAmount = parseFloat(match[1]);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match > (but not >=)
+    match = textQuery.match(/>\s*(\d+(?:\.\d+)?)/);
+    if (match) {
+      minAmount = parseFloat(match[1]) + 0.01;
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match <=
+    match = textQuery.match(/<=\s*(\d+(?:\.\d+)?)/);
+    if (match) {
+      maxAmount = parseFloat(match[1]);
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    // Match < (but not <=)
+    match = textQuery.match(/<\s*(\d+(?:\.\d+)?)/);
+    if (match) {
+      maxAmount = parseFloat(match[1]) - 0.01;
+      textQuery = textQuery.replace(match[0], '').trim();
+    }
+
+    return { textQuery, minAmount, maxAmount, minInvoice, maxInvoice, invoicePrefix };
+  }
+}