body { font-family: 'Inter', system-ui, -apple-system, sans-serif; }
.kanban-col { min-height: 72vh; display: flex; flex-direction: column; }
.kanban-cards { flex: 1; min-height: 200px; }
.drag-over { background-color: #e2e8f0 !important; border: 2px dashed #64748b; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }
.nav-btn { padding: .5rem .75rem; border-radius: .25rem; font-size: .875rem; font-weight: 500; color: #cbd5e1; }
.nav-btn:hover { background: #1e293b; }
.nav-btn.active { background: #2563eb; color: #fff; }