detail
44px fixed top bar on every page, no exceptions. Left: breadcrumb path (JetBrains Mono 11px dim), format: Parent / Parent / Here (current = purple .here). Right: CM button + version stamp (JetBrains Mono 11px yellow). CM button present on every page, every section. Body padding-top: 56px. Added to Standards v2.0 as U-T01.