AppHeader:
- Remove shadcn Button → native 8×8 rounded glass icon buttons
- Shrink to h-14 (from h-16) to match sidebar header
- Add current tool name breadcrumb (navTitle) next to collapse toggle;
shows context when sidebar is collapsed or on mobile
AppSidebar:
- Remove shadcn Button → native button for mobile close
- Sidebar narrows to w-60 (from w-64); matches h-14 header
- Active state: slim absolute left-bar (0.5px) replaces harsh border-l-2;
bg-primary/10 tint kept; no border on the link itself
- Nav item text refined: 13px font-medium title + 9px mono description
- Border opacity drops to border-border/20 throughout (from border-border)
- Footer: smaller mono text, lighter icon opacity
AppPage:
- Shrink from py-8 / text-2xl to py-5 / text-lg font-semibold
- Icon wrapped in 7×7 glass pill (bg-primary/10) matching tool cards
- Description moved inline under title as 10px mono, truncated
- border-b border-border/20 separator between header and tool content
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>