/* atlas.css — all custom Atlas CSS goes here.
 * Per UI-SPEC.md §Static File Contract and PITFALLS.md Pitfall 18:
 *   - Do not add <style> tags in child templates.
 *   - All overrides of AdminLTE 3 / Bootstrap 4 go in this file.
 * Phase 1 has no overrides; add rules as they become necessary.
 */