Present announcements, submission trends, recent problems, contests and solver rankings.
Arrange blue pill labels in a TagCanvas sphere with adaptive sizing, mouse-follow and drag modes.
Allow tag selection to filter the problem list and provide keyboard-accessible links.
Add problem filtering, trainings, contests, submission details and rankings.
Provide a split problem/editor layout with multilingual local drafts and self-test panels.
Run and submit actions show pending service integration.
Add reusable headings, panels, tables, charts, pagination and explicit preview fixtures.
Apply the shared blue theme, responsive top navigation and Chinese UI locale.
Kronecker