Implements responsive dashboard showing: - Summary cards (vehicle count, upcoming maintenance, recent fuel logs) - Vehicles needing attention with priority highlighting - Quick action buttons for navigation - Loading skeletons and empty states - Mobile-first responsive layout (320px to 1920px+) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>