Lab

Interface experiments

Smaller than a case study and more honest than a mockup. Each note opens with a question, and the prototype on the page is the answer — running, not a picture of one.

Accessible sortable data tableA dense transactions table with correct sort semantics, tabular figures and an announced sort state.Data tablesAccessibilityDensity2026
Approval permissions matrixA role and permission grid that enforces the implications between permissions instead of allowing impossible states.PermissionsApprovalsCompliance2026
Multi-currency amount inputAn amount field that stores integer minor units and adapts its precision to the selected currency, instead of assuming two decimal places.Multi-currencyInput designFormatting2026
Transaction status timelineA payment lifecycle that distinguishes slow from stuck from failed, in text as well as in colour.Transaction statesStatus designTrust2026

Lab

Interface experiments

Smaller than a case study and more honest than a mockup. Each note opens with a question, and the prototype on the page is the answer — running, not a picture of one.