Update light-mode text colors to improve sidebar readability.

Use darker near-black palette values for light-mode text tokens so navigation labels and section headings have stronger contrast.

Made-with: Cursor

classroom_app/ViewController.swift

@@ -6897,10 +6897,10 @@ private struct Palette {
             cancelButton = NSColor(calibratedRed: 240.0 / 255.0, green: 243.0 / 255.0, blue: 248.0 / 255.0, alpha: 1)
             meetingBadge = NSColor(calibratedRed: 0.88, green: 0.66, blue: 0.14, alpha: 1)
             separator = NSColor(calibratedRed: 212.0 / 255.0, green: 219.0 / 255.0, blue: 229.0 / 255.0, alpha: 1)
-            textPrimary = NSColor(calibratedRed: 32.0 / 255.0, green: 38.0 / 255.0, blue: 47.0 / 255.0, alpha: 1)
-            textSecondary = NSColor(calibratedRed: 82.0 / 255.0, green: 92.0 / 255.0, blue: 107.0 / 255.0, alpha: 1)
-            textTertiary = NSColor(calibratedRed: 110.0 / 255.0, green: 120.0 / 255.0, blue: 136.0 / 255.0, alpha: 1)
-            textMuted = NSColor(calibratedRed: 134.0 / 255.0, green: 145.0 / 255.0, blue: 162.0 / 255.0, alpha: 1)
+            textPrimary = NSColor(calibratedWhite: 0.05, alpha: 1)
+            textSecondary = NSColor(calibratedWhite: 0.08, alpha: 1)
+            textTertiary = NSColor(calibratedWhite: 0.14, alpha: 1)
+            textMuted = NSColor(calibratedWhite: 0.20, alpha: 1)
         }
     }
 }