Mobile Responsive Design
Touch-optimized modal overlays, collapsible drawers, and viewport breakpoints
Viewport Simulation:
Mobile Article
TOC Drawer▼
Content flows smoothly under mobile collapsible drawer...
Mobile Modal Overlay
Optionally displays full-screen mobile modal when TOC button is tapped on small screens.
Safe Area Inset Support
CSS env(safe-area-inset) compatibility ensures floating buttons clear iPhone notch and home bar.