Lumina
An advanced spreadsheet application
A public build of an advanced spreadsheet application — explored as a web-based tool for structured data work. The project is described from the build itself; it claims no user counts, revenue, or production metrics.
- Status
- Functional Prototype
- Category
- BUSINESS
- Year
- 2026
- Primary stack
- Next.jsTypeScriptTailwind CSS
- Demo
- ENTER THE BUILD
Project visualization — a designed representation, not a literal screenshot
01Overview
What this is
A public build of an advanced spreadsheet application — explored as a web-based tool for structured data work. The project is described from the build itself; it claims no user counts, revenue, or production metrics.
Explores
- Spreadsheet application
- Data handling
- Web experience
- Responsive UI
- Next.js
02Explore the build
The demo and the build insight
The demo
External application
ENTER THE BUILD
The public Lumina build on Vercel — the advanced spreadsheet application experience.
ENTER THE BUILDBuild insight
- Current build
- Functional Prototype
- Architecture and features below are the real build.
- Demo
- External
- Launch control above opens the verified public build.
Build insight — real project data, not a live application.
A focused spreadsheet application experience, deployed as a single web app.
03Problem · opportunity
What it sets out to solve
Spreadsheet work sits at the center of a lot of business and data activity, yet most tools are heavyweight. A web-native advanced spreadsheet experience explores what a focused build can offer.
04Concept
The core idea
An advanced spreadsheet application delivered as a web experience — a capable surface for structured data with a clean, focused interface.
05What I built
What's actually in the code
A public web build deployed on Vercel, presenting an advanced spreadsheet experience.
Approach
Built as a standalone, deployable web application. The build demonstrates the spreadsheet surface; capabilities are described conservatively from what is deployed.
06Key features
What's implemented today
- A public, deployed advanced spreadsheet build
- Web-native spreadsheet surface for structured data
- Capabilities described conservatively, without metrics
07Architecture
How it's structured
A focused spreadsheet application experience, deployed as a single web app.
Design notes
Lumina is described from the build itself. No user counts, revenue, or production metrics are claimed.
08Technology
The stack
- Next.js
- TypeScript
- Tailwind CSS
09Challenges · lessons
Where it got hard, and what it taught me
Challenges
- Delivering a spreadsheet surface that feels like a real tool, not a mock
Learnings
- A spreadsheet is a deep surface — the build earns trust by scoping honestly
10Current status
Where this project sits today
Core features are engineered and demonstrable. Not yet production-hardened or deployed to real users.
Demonstrated
- Public deployment available at the configured demo URL
11What comes next
Where this goes from here
- 01Define the concrete spreadsheet features the build supports
- 02Prototype the formula and data-entry flow