/* 2026-05-28: only the fleet-wide AUTO-INJECTOR (shared-topnav.js) was retired — THIS STYLESHEET IS STILL LIVE and load-bearing. It is the canonical company-navbar look, now consumed by tools that EMBED the navbar themselves (opt-in, static markup; e.g. Mail's #ttnav). Do not delete. Standard: techtools-4/.claude/rules/company-navbar.md The :root{--tt-topnav-h:0px} below is a SAFE DEFAULT for pages that load this CSS but render no navbar (so var(--tt-topnav-h,…) collapses to a top:0/100vh layout). A tool that does embed the navbar overrides it (seed in its own :root loaded after this file, then publish the measured px on at runtime). */ :root { --tt-topnav-h: 0px; } /* ============================================================================ TechTools Shared Top Navbar — drop-in, sticky, theme-independent. ---------------------------------------------------------------------------- One sticky navbar (brand · Contact · tool search · account dropdown) shared by EVERY tool and by Mail, so the chrome is identical everywhere. Paired with /shared-topnav.js, which injects the markup and wires the behaviour. Isolation: every rule is scoped under `.tt-scope` (the class the JS puts on the injected