Incident Command System (ICS)

digraph ics {
  rankdir=TB;
  graph [bgcolor=transparent];
  node [shape=box, style="rounded,filled", fontname=Inter, fontsize=10];

  IC [label="Incident Commander", fillcolor="#fce7f3"];

  PIO [label="Public Information Officer", fillcolor="#dbeafe"];
  SO [label="Safety Officer", fillcolor="#dbeafe"];
  LO [label="Liaison Officer", fillcolor="#dbeafe"];

  Ops [label="Operations\nSection Chief", fillcolor="#fef3c7"];
  Pln [label="Planning\nSection Chief", fillcolor="#fef3c7"];
  Log [label="Logistics\nSection Chief", fillcolor="#fef3c7"];
  Fin [label="Finance / Admin\nSection Chief", fillcolor="#fef3c7"];

  Ops_Branch [label="Branches → Divisions → Strike teams", fillcolor="#dcfce7"];
  Pln_R [label="Resources / Situation / Documentation", fillcolor="#dcfce7"];
  Log_S [label="Service + Support branches", fillcolor="#dcfce7"];
  Fin_U [label="Time / Procurement / Comp+Claims / Cost", fillcolor="#dcfce7"];

  IC -> PIO; IC -> SO; IC -> LO;
  IC -> Ops; IC -> Pln; IC -> Log; IC -> Fin;
  Ops -> Ops_Branch;
  Pln -> Pln_R;
  Log -> Log_S;
  Fin -> Fin_U;
}