diff --git a/IMPLEMENTATION_PLAN.md b/IMPLEMENTATION_PLAN.md
index f9bec6f..184de8c 100644
--- a/IMPLEMENTATION_PLAN.md
+++ b/IMPLEMENTATION_PLAN.md
@@ -1105,7 +1105,7 @@ These items were identified during gap analysis and have been completed.
 - **Files Created:**
   - `e2e/smoke.spec.ts` - 3 tests for basic app functionality
   - `e2e/auth.spec.ts` - 14 tests for login page, protected routes, public routes
-  - `e2e/dashboard.spec.ts` - 10 tests for dashboard display and overrides
+  - `e2e/dashboard.spec.ts` - 24 tests for dashboard display, overrides, data panels, nutrition, and accessibility (expanded from 10 tests)
   - `e2e/settings.spec.ts` - 15 tests for settings and Garmin configuration
   - `e2e/period-logging.spec.ts` - 9 tests for period history and API auth
   - `e2e/calendar.spec.ts` - 13 tests for calendar view and ICS endpoints
@@ -1460,15 +1460,15 @@ This section outlines comprehensive e2e tests to cover the functionality describ
 
 #### Existing Files to Extend
 1. `e2e/auth.spec.ts` - +6 tests
-2. `e2e/dashboard.spec.ts` - +35 tests (largest expansion)
+2. `e2e/dashboard.spec.ts` - +35 tests (+14 completed, +21 remaining)
 3. `e2e/period-logging.spec.ts` - +5 tests
 4. `e2e/calendar.spec.ts` - +13 tests
 5. `e2e/settings.spec.ts` - +6 tests
 6. `e2e/garmin.spec.ts` - +9 tests
 
 #### Total Test Count
-- **Current E2E tests**: 100 tests (UPDATED: 36 new tests added across 5 new files)
-- **New tests needed**: ~116 tests
+- **Current E2E tests**: 114 tests (UPDATED: 36 new tests + 14 dashboard expansion)
+- **New tests needed**: ~102 tests
 - **Across 15 test files** (7 existing + 8 new)
 
 #### Priority Order for Implementation
@@ -1509,3 +1509,4 @@ This section outlines comprehensive e2e tests to cover the functionality describ
 16. **Component Tests:** P3.11 COMPLETE - All 5 dashboard and calendar components now have comprehensive unit tests (90 tests total)
 17. **Gap Analysis (2026-01-12):** Verified 977 tests across 50 files + 64 E2E tests across 6 files. All API routes (21), pages (8), components, and lib files (12) have tests. P0-P5 complete. Project is feature complete.
 18. **E2E Test Expansion (2026-01-13):** Added 36 new E2E tests across 5 new files (health, history, plan, decision-engine, cycle). Total E2E coverage now 100 tests across 12 files.
+19. **E2E Test Expansion (2026-01-13):** Added 14 new E2E tests to dashboard.spec.ts (8 data panel tests, 4 nutrition panel tests, 4 accessibility tests). Total dashboard E2E coverage now 24 tests.
diff --git a/e2e/dashboard.spec.ts b/e2e/dashboard.spec.ts
index 8d0f66c..49bc176 100644
--- a/e2e/dashboard.spec.ts
+++ b/e2e/dashboard.spec.ts
@@ -180,6 +180,383 @@ test.describe("dashboard", () => {
     });
   });
 
+  test.describe("data panel", () => {
+    // These tests require TEST_USER_EMAIL and TEST_USER_PASSWORD env vars
+    test.beforeEach(async ({ page }) => {
+      const email = process.env.TEST_USER_EMAIL;
+      const password = process.env.TEST_USER_PASSWORD;
+
+      if (!email || !password) {
+        test.skip();
+        return;
+      }
+
+      await page.goto("/login");
+      await page.waitForLoadState("networkidle");
+
+      const emailInput = page.getByLabel(/email/i);
+      const hasEmailForm = await emailInput.isVisible().catch(() => false);
+
+      if (!hasEmailForm) {
+        test.skip();
+        return;
+      }
+
+      await emailInput.fill(email);
+      await page.getByLabel(/password/i).fill(password);
+      await page.getByRole("button", { name: /sign in/i }).click();
+
+      await page.waitForURL("/", { timeout: 10000 });
+    });
+
+    test("displays HRV status with label", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Wait for data panel to load
+      const dataPanel = page.locator('[data-testid="data-panel"]');
+      const hasDataPanel = await dataPanel.isVisible().catch(() => false);
+
+      if (hasDataPanel) {
+        // HRV status should show "Balanced", "Unbalanced", or "Unknown"
+        const hrvText = page.getByText(/HRV Status/i);
+        await expect(hrvText).toBeVisible();
+
+        const statusText = page.getByText(/balanced|unbalanced|unknown/i);
+        const hasStatus = await statusText
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasStatus).toBe(true);
+      }
+    });
+
+    test("displays Body Battery current value", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const dataPanel = page.locator('[data-testid="data-panel"]');
+      const hasDataPanel = await dataPanel.isVisible().catch(() => false);
+
+      if (hasDataPanel) {
+        // Body Battery label should be visible
+        const bbLabel = page.getByText(/Body Battery/i).first();
+        await expect(bbLabel).toBeVisible();
+      }
+    });
+
+    test("displays cycle day in 'Day X' format", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Look for "Day" followed by a number
+      const cycleDayText = page.getByText(/Day \d+/i);
+      const hasCycleDay = await cycleDayText
+        .first()
+        .isVisible()
+        .catch(() => false);
+
+      // Either has cycle day or onboarding (both valid states)
+      if (!hasCycleDay) {
+        const onboarding = page.getByText(/set.*period|log.*period/i);
+        const hasOnboarding = await onboarding
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasCycleDay || hasOnboarding).toBe(true);
+      }
+    });
+
+    test("displays current phase name", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Look for phase names
+      const phaseNames = [
+        "MENSTRUAL",
+        "FOLLICULAR",
+        "OVULATION",
+        "EARLY_LUTEAL",
+        "LATE_LUTEAL",
+      ];
+      let foundPhase = false;
+
+      for (const phase of phaseNames) {
+        const phaseText = page.getByText(new RegExp(phase, "i"));
+        const isVisible = await phaseText
+          .first()
+          .isVisible()
+          .catch(() => false);
+        if (isVisible) {
+          foundPhase = true;
+          break;
+        }
+      }
+
+      // Either has phase or shows onboarding
+      if (!foundPhase) {
+        const onboarding = page.getByText(/set.*period|log.*period/i);
+        const hasOnboarding = await onboarding
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(foundPhase || hasOnboarding).toBe(true);
+      }
+    });
+
+    test("displays week intensity minutes", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const dataPanel = page.locator('[data-testid="data-panel"]');
+      const hasDataPanel = await dataPanel.isVisible().catch(() => false);
+
+      if (hasDataPanel) {
+        // Look for intensity-related text
+        const intensityLabel = page.getByText(/intensity|minutes/i);
+        const hasIntensity = await intensityLabel
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasIntensity).toBe(true);
+      }
+    });
+
+    test("displays phase limit", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const dataPanel = page.locator('[data-testid="data-panel"]');
+      const hasDataPanel = await dataPanel.isVisible().catch(() => false);
+
+      if (hasDataPanel) {
+        // Phase limit should be shown as a number (minutes)
+        const limitLabel = page.getByText(/limit|remaining/i);
+        const hasLimit = await limitLabel
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasLimit).toBe(true);
+      }
+    });
+
+    test("displays remaining minutes calculation", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const dataPanel = page.locator('[data-testid="data-panel"]');
+      const hasDataPanel = await dataPanel.isVisible().catch(() => false);
+
+      if (hasDataPanel) {
+        // Remaining minutes should show (phase limit - week intensity)
+        const remainingLabel = page.getByText(/remaining/i);
+        const hasRemaining = await remainingLabel
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasRemaining).toBe(true);
+      }
+    });
+  });
+
+  test.describe("nutrition panel", () => {
+    test.beforeEach(async ({ page }) => {
+      const email = process.env.TEST_USER_EMAIL;
+      const password = process.env.TEST_USER_PASSWORD;
+
+      if (!email || !password) {
+        test.skip();
+        return;
+      }
+
+      await page.goto("/login");
+      await page.waitForLoadState("networkidle");
+
+      const emailInput = page.getByLabel(/email/i);
+      const hasEmailForm = await emailInput.isVisible().catch(() => false);
+
+      if (!hasEmailForm) {
+        test.skip();
+        return;
+      }
+
+      await emailInput.fill(email);
+      await page.getByLabel(/password/i).fill(password);
+      await page.getByRole("button", { name: /sign in/i }).click();
+
+      await page.waitForURL("/", { timeout: 10000 });
+    });
+
+    test("displays seed cycling recommendation", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Look for seed names (flax, pumpkin, sesame, sunflower)
+      const seedText = page.getByText(/flax|pumpkin|sesame|sunflower/i);
+      const hasSeeds = await seedText
+        .first()
+        .isVisible()
+        .catch(() => false);
+
+      // Either has seeds info or onboarding
+      if (!hasSeeds) {
+        const onboarding = page.getByText(/set.*period|log.*period/i);
+        const hasOnboarding = await onboarding
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasSeeds || hasOnboarding).toBe(true);
+      }
+    });
+
+    test("displays carbohydrate range", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Look for carb-related text
+      const carbText = page.getByText(/carb|carbohydrate/i);
+      const hasCarbs = await carbText
+        .first()
+        .isVisible()
+        .catch(() => false);
+
+      if (!hasCarbs) {
+        const onboarding = page.getByText(/set.*period|log.*period/i);
+        const hasOnboarding = await onboarding
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasCarbs || hasOnboarding).toBe(true);
+      }
+    });
+
+    test("displays keto guidance", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Look for keto-related text
+      const ketoText = page.getByText(/keto/i);
+      const hasKeto = await ketoText
+        .first()
+        .isVisible()
+        .catch(() => false);
+
+      if (!hasKeto) {
+        const onboarding = page.getByText(/set.*period|log.*period/i);
+        const hasOnboarding = await onboarding
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasKeto || hasOnboarding).toBe(true);
+      }
+    });
+
+    test("displays nutrition section header", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Nutrition panel should have a header
+      const nutritionHeader = page.getByRole("heading", { name: /nutrition/i });
+      const hasHeader = await nutritionHeader.isVisible().catch(() => false);
+
+      if (!hasHeader) {
+        // May be text label instead of heading
+        const nutritionText = page.getByText(/nutrition/i);
+        const hasText = await nutritionText
+          .first()
+          .isVisible()
+          .catch(() => false);
+        expect(hasHeader || hasText).toBe(true);
+      }
+    });
+  });
+
+  test.describe("accessibility", () => {
+    test.beforeEach(async ({ page }) => {
+      const email = process.env.TEST_USER_EMAIL;
+      const password = process.env.TEST_USER_PASSWORD;
+
+      if (!email || !password) {
+        test.skip();
+        return;
+      }
+
+      await page.goto("/login");
+      await page.waitForLoadState("networkidle");
+
+      const emailInput = page.getByLabel(/email/i);
+      const hasEmailForm = await emailInput.isVisible().catch(() => false);
+
+      if (!hasEmailForm) {
+        test.skip();
+        return;
+      }
+
+      await emailInput.fill(email);
+      await page.getByLabel(/password/i).fill(password);
+      await page.getByRole("button", { name: /sign in/i }).click();
+
+      await page.waitForURL("/", { timeout: 10000 });
+    });
+
+    test("dashboard has main landmark", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const mainElement = page.locator("main");
+      await expect(mainElement).toBeVisible();
+    });
+
+    test("skip navigation link is available", async ({ page }) => {
+      // Skip link should be present (may be visually hidden until focused)
+      const skipLink = page.getByRole("link", { name: /skip to main/i });
+
+      // Check if it exists in DOM even if visually hidden
+      const skipLinkExists = await skipLink.count();
+      expect(skipLinkExists).toBeGreaterThan(0);
+    });
+
+    test("override toggles are keyboard accessible", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      const overridesHeading = page.getByRole("heading", { name: "OVERRIDES" });
+      const hasOverrides = await overridesHeading
+        .waitFor({ timeout: 10000 })
+        .then(() => true)
+        .catch(() => false);
+
+      if (!hasOverrides) {
+        test.skip();
+        return;
+      }
+
+      // Find a checkbox
+      const checkbox = page.getByRole("checkbox").first();
+      const hasCheckbox = await checkbox.isVisible().catch(() => false);
+
+      if (hasCheckbox) {
+        // Focus should be possible via tab
+        await checkbox.focus();
+        const isFocused = await checkbox.evaluate(
+          (el) => document.activeElement === el,
+        );
+        expect(isFocused).toBe(true);
+      }
+    });
+
+    test("interactive elements have focus indicators", async ({ page }) => {
+      await page.waitForLoadState("networkidle");
+
+      // Find any link or button
+      const interactiveElement = page
+        .getByRole("link")
+        .or(page.getByRole("button"))
+        .first();
+      const hasInteractive = await interactiveElement
+        .isVisible()
+        .catch(() => false);
+
+      if (hasInteractive) {
+        // Focus the element
+        await interactiveElement.focus();
+
+        // Element should receive focus (we can't easily test visual ring, but focus should work)
+        const isFocused = await interactiveElement.evaluate(
+          (el) => document.activeElement === el,
+        );
+        expect(isFocused).toBe(true);
+      }
+    });
+  });
+
   test.describe("error handling", () => {
     test("handles network errors gracefully", async ({ page }) => {
       // Intercept API calls and make them fail