:root{--kb-bg:#f7f8f6;--kb-surface:#ffffff;--kb-soft:#f1f4f2;--kb-ink:#151815;--kb-muted:#66706a;--kb-faint:#9aa49e;--kb-border:#dfe5df;--kb-border-strong:#c8d2ca;--kb-green:#146c43;--kb-green-soft:#e8f5ee;--kb-red:#b42318;--kb-red-soft:#fee4e2;--kb-amber:#a45f00;--kb-amber-soft:#fff4d8;--kb-blue:#1d5f9f;--kb-blue-soft:#e7f0fb;--kb-shadow:0 18px 50px rgba(24,34,28,0.12);--kb-radius:8px}*{box-sizing:border-box}body,html{margin:0;min-height:100%;background:var(--kb-bg);color:var(--kb-ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select,textarea{font:inherit}button{cursor:pointer}.kanban-shell{min-height:100svh;padding:max(16px,env(safe-area-inset-top)) 16px max(24px,env(safe-area-inset-bottom))}.kanban-command,.kanban-toolbar,.kanban-topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;max-width:1560px;margin:0 auto 12px}.kanban-topbar{position:sticky;top:0;z-index:20;padding:10px 0 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