1) 3-tier role system — Admin, HR Manager, Employee with locked-down permissions
2) Smart Attendance — One-tap check-in/out, manual entry, approval workflow & CSV export
3) Leave Management — 6 leave types, per-employee balances, instant email approvals
4) Payroll Engine — Basic + HRA + Allowances, auto PF/ESI/Tax deductions, PDF payslips
5) Task Manager — Assign, track & approve tasks by project with deadlines
6) Meeting Scheduler — Virtual (Google Meet/Zoom link) & physical meetings with participants
7) Document Vault — Upload + inline preview PDFs & images (no download needed)
8) Real-Time Notifications — In-app bell with live badge + HTML email automation
9) Resignation Workflow — Submit, approve/reject + full audit log trail
10) Announcements — Company-wide posts visible across all dashboards
12) Fully Responsive — Bootstrap 5.3, pixel-perfect on mobile, tablet & desktop
13) Pure PHP 8.x — No Laravel/Symfony bloat. Fast, hackable, easy to customise
14) 17-table MySQL DB — Foreign keys, cascade deletes, demo data pre-seeded