Sub-ticket of PLUTO-162 Large-screen sales-surface polish: add xl/2xl density tiers (more grid cols / master-detail / side-rail filters), data tables over stacked cards, ~40-48rem line-length cap on prose+forms, persistent sidebar + fluid type >=1280 + responsive imgs. Scope: /informes + KPI dashboards + /admin tables + public landing ONLY. Does NOT touch alumno (PLUTO-159) or docente grading mobile-first paths. Verify via proxy pixel-confirm at 1920/2560. Ship-timing = Elazar's call (low current N). From bs-mqmxqxwop02 decision. · pluto