Case study · Collector community
CardLounge — a collector community built on prices, not photography
3 days
concept to a clickable service
Prices, grades, trades
the signals collectors actually read
Live
open it in your browser
Challenge
Collectors do not open their wallets because a card is photographed well — they move on traded prices, grading labels, and how active the trading has been, and a community that gets that vocabulary slightly wrong is dismissed by the people it needs most.
Solution
A dark collectible register with a holographic accent, with the domain signals placed at the front rather than buried: a top-five traded price list, a movement ticker, PSA and BGS grading labels, and per-card trade and view counts, feeding an information hierarchy that runs from showcase gallery to a combined feed to a live price sidebar.
Results
A concept became a clickable service in three days, complete enough that someone inside the hobby can judge whether the domain has been understood — which is the only review that matters in a vertical this specific.
- Client
- Self-initiated studio project
- Scope
- Collector community · pricing UI
- Stack
- Next.js · React · TypeScript · Tailwind
Getting the vocabulary right is most of the job
In a collector vertical, credibility is decided by nouns. A grading label written the wrong way, a price presented without saying whether it is an asking price or a completed sale, a trade count that could mean anything — each of those is enough for a serious collector to close the tab, no matter how good the layout is. So the domain language came first and the visual system second: traded prices are labelled as traded prices, grades appear the way the grading companies actually write them, and activity is shown as counts a collector can sanity-check rather than as vague momentum.
Dense without being noisy
Price movement, trending cards, and community posts all want the same screen, and stacking them produces a page nobody can read. The hierarchy resolves it by sequence rather than by shrinking things: a showcase gallery to establish the register, a combined feed where showcase posts, questions, and sale listings are distinguished by tag, and a price sidebar that stays present without competing for attention. The dark ground with a holographic accent does the rest, giving the material the weight a premium collectible deserves.
Card artwork without a rights problem
Real card images are exactly the kind of shortcut that creates a legal problem later, so the visuals are procedurally generated mockups instead — consistent in texture, safe to publish, and honest about being stand-ins. It is the same instinct as the rest of the build: solve the thing that would become expensive later, at the point where it costs nothing. This is a self-initiated studio project held to production standards; with a client, real pricing data and a real trading model extend the timeline well beyond three days, and the review rounds are part of the build.
Working in a vertical where the vocabulary decides everything? Ask us to build one screen of it before you commit.
sww@celis.co.kr