updated rewards assignment and reward progress

frontend/src/routes/login/+page.svelte

@@ -22,10 +22,10 @@
 		</label>
 		<button type="submit">Log in</button>
 	</form>
-
 	<p class="alt">
 		Don't have a family yet? <a href="/signup">Create one</a>
 	</p>
+	<p>Trying to join as a child? Ask your parent to issue your QR code.</p>
 </AuthShell>
 
 <style>
@@ -63,7 +63,9 @@
 		font-weight: 600;
 		cursor: pointer;
 	}
-	button:hover { background: #3730a3; }
+	button:hover {
+		background: #3730a3;
+	}
 	.form-error {
 		background: #fef2f2;
 		color: #b91c1c;
@@ -79,5 +81,9 @@
 		color: #6b7280;
 		text-align: center;
 	}
-	.alt a { color: #4338ca; text-decoration: none; font-weight: 500; }
+	.alt a {
+		color: #4338ca;
+		text-decoration: none;
+		font-weight: 500;
+	}
 </style>