diff --git a/frontend/e2e/admin-responsive-nav.spec.ts b/frontend/e2e/admin-responsive-nav.spec.ts
index 4e1816d..743e51f 100644
--- a/frontend/e2e/admin-responsive-nav.spec.ts
+++ b/frontend/e2e/admin-responsive-nav.spec.ts
@@ -27,6 +27,7 @@ test.describe('Admin Responsive Navigation', () => {
 
 	async function loginAsAdmin(page: import('@playwright/test').Page) {
 		await page.goto(`${ALPHA_URL}/login`);
+		await page.waitForLoadState('networkidle');
 		await page.locator('#email').fill(ADMIN_EMAIL);
 		await page.locator('#password').fill(ADMIN_PASSWORD);
 		await Promise.all([
diff --git a/frontend/e2e/periods.spec.ts b/frontend/e2e/periods.spec.ts
index 56d7e92..c8eff24 100644
--- a/frontend/e2e/periods.spec.ts
+++ b/frontend/e2e/periods.spec.ts
@@ -89,8 +89,8 @@ test.describe('Periods Management (Story 2.3)', () => {
 			await page.goto(`${ALPHA_URL}/admin/academic-year/periods`);
 
 			const tabs = page.getByRole('tab');
-			// Middle tab (current) should be active
-			await expect(tabs.nth(1)).toHaveAttribute('aria-selected', 'true');
+			// Middle tab (current) should be active — wait for Svelte hydration
+			await expect(tabs.nth(1)).toHaveAttribute('aria-selected', 'true', { timeout: 10000 });
 		});
 
 		test('can switch between year tabs', async ({ page }) => {