/* ================================================================
   HIG DESIGN SYSTEM — v5.1  |  Layout Shell
   ================================================================
   SCOPE
   This file owns exactly one responsibility: styling the shell
   defined in layout.twig — nothing more.

   What lives here            What lives ELSEWHERE
   ──────────────────────     ────────────────────────────────
   Design tokens              Page-specific styles (order, tickets…)
   Glass layer                Component libraries (Select2, charts…)
   Sidebar + brand            Page widgets (metric cards, service card…)
   Header + pills             Platform plugins
   Account dropdown
   Dark-mode toggle
   Guest nav + footer
   Spotlight modal
   Authenticated footer
   Focus / a11y utilities
   Reduced-motion reset
   Responsive shell breakpoints

   ================================================================
   INDEX
   1.  Design Tokens  (Light ↔ Dark)
   2.  Global Resets
   3.  Glass Layer  (nav, header, footer, modals)
   4.  Layout Shell  (Sidebar · Header · Main · Footer)
   5.  Sidebar Components  (brand · balance · nav-links)
   6.  Header Components  (pills · account btn · dropdown · toggle)
   7.  Guest Layout  (navbar · footer)
   8.  Spotlight Modal
   9.  Accessibility & Motion
   10. Responsive Shell
   ================================================================ */


/* ================================================================
   1. DESIGN TOKENS
   ================================================================ */