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Kanban Phase 5: UI Optimization

Overview​

Optimize the desktop workspace kanban UI to match vibe-kanban's polished interface exactly, using our Viben Design System.

Reference Implementation​

  • Source: /Users/lxy/Documents/GitHub/others/vibe-kanban/frontend/src/components
  • Key files: tasks/TaskKanbanBoard.tsx, tasks/TaskCard.tsx, tasks/TaskCardHeader.tsx, ui/shadcn-io/kanban/index.tsx

Feature Specifications​

F34: Column Layout Optimization​

Goal: Match vibe-kanban's column grid layout and sticky header styling

Implementation:

  • Use auto-cols-[minmax(200px,400px)] for column sizing
  • Add inline-grid grid-flow-col layout
  • Sticky headers with background gradient: linear-gradient(hsl(var(${color}) / 0.03), hsl(var(${color}) / 0.03))
  • Column separator with divide-x border-x
  • Proper min-h-full items-stretch for full height columns

Location: @viben/kanban - Update KanbanProvider and KanbanHeader components

F35: Card UI Enhancement​

Goal: Match vibe-kanban card styling with improved typography

Implementation:

  • Card with p-3 border-b flex-col space-y-2
  • Title: font-light text-sm line-clamp-2
  • Description: text-sm text-secondary-foreground with 130 char truncation
  • Selected card: ring-2 ring-secondary-foreground ring-inset
  • Dragging state: cursor-grabbing with z-index 1000

Location: @viben/kanban - Update KanbanCard component

F36: Header Component Redesign​

Goal: Match vibe-kanban's compact header with status dot

Implementation:

  • Sticky header with sticky top-0 z-20
  • Status dot indicator: h-2 w-2 rounded-full with column color
  • Compact add button: variant="ghost" with tooltip
  • Border style: border-b border-dashed
  • Background with column color tint

Location: @viben/kanban - Update KanbanHeader component

F37: TaskCardContent Redesign​

Goal: Improve desktop card content layout to match vibe-kanban

Implementation:

  • Header row with avatar + title + action icons
  • Title with line-clamp-2 font-light text-sm
  • Description truncation at 130 characters
  • Status indicators (running spinner, failed icon)
  • Parent task link button

Location: apps/desktop - Update TaskCardContent component

F38: Drag System Enhancement​

Goal: Match vibe-kanban's smooth drag experience

Implementation:

  • PointerSensor with activationConstraint: { distance: 8 }
  • rectIntersection collision detection
  • Custom restrictToFirstScrollableAncestor modifier with right padding
  • Transform style: translateX/Y for smooth movement
  • Drop zone highlight: outline-primary when isOver

Location: @viben/kanban - Update KanbanProvider and drag system

F39: Empty State Polish​

Goal: Add polished empty states matching vibe-kanban

Implementation:

  • Empty column indicator
  • "No tasks" card with CTA button
  • "No search results" message
  • Consistent padding and spacing

Location: apps/desktop - Add empty state components

F40: Filter Bar Toolbar Enhancement​

Goal: Improve toolbar layout and styling

Implementation:

  • Toolbar with view switcher, separator, filter, separator, sort
  • Consistent h-6 w-px bg-border separators
  • Background: bg-muted/30 with border-b
  • Responsive gap and flex-wrap

Location: apps/desktop - Update filter/sort bar layout

Build Verification​

After all changes:

pnpm --filter @viben/kanban build
pnpm --filter @viben/desktop typecheck

Files to Modify​

  1. packages/kanban/src/kanban.tsx - Column layout, card, header updates
  2. apps/desktop/src/pages/workspace-kanban.tsx - TaskCardContent, toolbar, empty states
  3. apps/desktop/src/components/workspace/TaskDetailPanel.tsx - Panel styling if needed

Success Criteria​

  • Column layout matches vibe-kanban exactly
  • Cards have proper typography and spacing
  • Drag experience is smooth with correct constraints
  • Empty states are polished
  • All builds pass without errors