Match the home top bar and sidebar background to the meetings strip tint.

This aligns both surfaces with the panel header strip color so the home chrome feels visually consistent.

Made-with: Cursor

zoom_app/ViewController.swift

@@ -677,7 +677,7 @@ class ViewController: NSViewController {
 
         let topBar = NSView()
         topBar.wantsLayer = true
-        topBar.layer?.backgroundColor = appShellBackground.withAlphaComponent(0.98).cgColor
+        topBar.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.03).cgColor
         
         let topBarDivider = NSView()
         topBarDivider.wantsLayer = true
@@ -910,7 +910,7 @@ class ViewController: NSViewController {
     private func makeSidebar(items: [String], selected: String, style: SidebarStyle = .login) -> NSView {
         let sidebar = NSView()
         sidebar.wantsLayer = true
-        sidebar.layer?.backgroundColor = (style == .home ? appShellBackground.withAlphaComponent(0.98) : sidebarBackground).cgColor
+        sidebar.layer?.backgroundColor = (style == .home ? NSColor.white.withAlphaComponent(0.03) : sidebarBackground).cgColor
         if style == .home {
             let divider = NSView()
             divider.wantsLayer = true