digraph ComponentDependencies {
    rankdir=TB;
    node [shape=box, style=rounded];
    
    // Infrastructure Layer (Base Services)
    subgraph cluster_infra {
        label="Infrastructure Layer";
        style=dashed;
        
        ChainFire [fillcolor="#e1f5ff", style="filled,rounded"];
        FlareDB [fillcolor="#e1f5ff", style="filled,rounded"];
    }
    
    // Platform Layer
    subgraph cluster_platform {
        label="Platform Layer";
        style=dashed;
        
        IAM [fillcolor="#fff4e1", style="filled,rounded"];
        Deployer [fillcolor="#fff4e1", style="filled,rounded"];
    }
    
    // Application Layer
    subgraph cluster_app {
        label="Application Layer";
        style=dashed;
        
        PlasmaVMC [fillcolor="#e8f5e9", style="filled,rounded"];
        PrismNET [fillcolor="#e8f5e9", style="filled,rounded"];
        FlashDNS [fillcolor="#e8f5e9", style="filled,rounded"];
        FiberLB [fillcolor="#e8f5e9", style="filled,rounded"];
        APIGateway [fillcolor="#e8f5e9", style="filled,rounded"];
        LightningStor [fillcolor="#e8f5e9", style="filled,rounded"];
        NightLight [fillcolor="#e8f5e9", style="filled,rounded"];
        CreditService [fillcolor="#e8f5e9", style="filled,rounded"];
        K8sHost [fillcolor="#e8f5e9", style="filled,rounded"];
    }
    
    // Deployment Layer
    subgraph cluster_deploy {
        label="Deployment Layer";
        style=dashed;
        
        NixOSModules [fillcolor="#f3e5f5", style="filled,rounded"];
        NetbootImages [fillcolor="#f3e5f5", style="filled,rounded"];
        BootstrapISO [fillcolor="#f3e5f5", style="filled,rounded"];
        FirstBootAutomation [fillcolor="#f3e5f5", style="filled,rounded"];
        NixNOS [fillcolor="#f3e5f5", style="filled,rounded"];
    }
    
    // Infrastructure dependencies
    FlareDB -> ChainFire [label="requires", color=blue];
    
    // Platform dependencies
    IAM -> FlareDB [label="uses", color=blue];
    IAM -> ChainFire [label="uses", color=blue, style=dashed];
    Deployer -> ChainFire [label="storage", color=blue];
    
    // Application dependencies on Infrastructure
    PlasmaVMC -> ChainFire [label="uses", color=blue, style=dashed];
    PlasmaVMC -> FlareDB [label="uses", color=blue, style=dashed];
    PrismNET -> ChainFire [label="uses", color=blue, style=dashed];
    FlashDNS -> ChainFire [label="uses", color=blue, style=dashed];
    FlashDNS -> FlareDB [label="uses", color=blue, style=dashed];
    FiberLB -> ChainFire [label="uses", color=blue, style=dashed];
    FiberLB -> FlareDB [label="uses", color=blue, style=dashed];
    LightningStor -> ChainFire [label="uses", color=blue, style=dashed];
    LightningStor -> FlareDB [label="uses", color=blue, style=dashed];
    CreditService -> ChainFire [label="uses", color=blue];
    K8sHost -> FlareDB [label="uses", color=blue];
    K8sHost -> ChainFire [label="uses", color=blue, style=dashed];
    
    // Application dependencies on Platform
    PlasmaVMC -> IAM [label="auth", color=orange];
    PlasmaVMC -> CreditService [label="billing", color=orange, style=dashed];
    PlasmaVMC -> PrismNET [label="networking", color=orange];
    K8sHost -> IAM [label="auth", color=orange];
    K8sHost -> CreditService [label="billing", color=orange, style=dashed];
    K8sHost -> PrismNET [label="CNI", color=orange];
    K8sHost -> FiberLB [label="ingress", color=orange, style=dashed];
    K8sHost -> FlashDNS [label="DNS", color=orange, style=dashed];
    APIGateway -> FiberLB [label="fronted by", color=orange, style=dashed];
    APIGateway -> IAM [label="auth", color=orange, style=dashed];
    APIGateway -> CreditService [label="billing", color=orange, style=dashed];
    
    // Deployment dependencies
    NixOSModules -> ChainFire [label="module", color=purple, style=dotted];
    NixOSModules -> FlareDB [label="module", color=purple, style=dotted];
    NixOSModules -> IAM [label="module", color=purple, style=dotted];
    NixOSModules -> PlasmaVMC [label="module", color=purple, style=dotted];
    NixOSModules -> PrismNET [label="module", color=purple, style=dotted];
    NixOSModules -> FlashDNS [label="module", color=purple, style=dotted];
    NixOSModules -> FiberLB [label="module", color=purple, style=dotted];
    NixOSModules -> APIGateway [label="module", color=purple, style=dotted];
    NixOSModules -> LightningStor [label="module", color=purple, style=dotted];
    NixOSModules -> NightLight [label="module", color=purple, style=dotted];
    NixOSModules -> CreditService [label="module", color=purple, style=dotted];
    NixOSModules -> K8sHost [label="module", color=purple, style=dotted];
    
    NetbootImages -> NixOSModules [label="uses", color=purple];
    BootstrapISO -> NixOSModules [label="uses", color=purple];
    BootstrapISO -> Deployer [label="phone-home", color=purple];
    FirstBootAutomation -> ChainFire [label="cluster-join", color=purple];
    FirstBootAutomation -> FlareDB [label="cluster-join", color=purple];
    FirstBootAutomation -> IAM [label="initial-setup", color=purple];
    FirstBootAutomation -> NixOSModules [label="uses", color=purple];
    NixNOS -> NixOSModules [label="generates", color=purple];
    NixNOS -> FirstBootAutomation [label="config", color=purple];
    
    // Systemd dependencies (runtime)
    FlareDB -> ChainFire [label="systemd:after", color=red, style=dashed];
    IAM -> FlareDB [label="systemd:after", color=red, style=dashed];
    PlasmaVMC -> ChainFire [label="systemd:requires", color=red, style=dashed];
    PlasmaVMC -> FlareDB [label="systemd:requires", color=red, style=dashed];
    PlasmaVMC -> IAM [label="systemd:requires", color=red, style=dashed];
    CreditService -> ChainFire [label="systemd:wants", color=red, style=dashed];
    K8sHost -> IAM [label="systemd:requires", color=red, style=dashed];
    K8sHost -> FlareDB [label="systemd:requires", color=red, style=dashed];
    K8sHost -> PrismNET [label="systemd:requires", color=red, style=dashed];
    
    // Legend
    subgraph cluster_legend {
        label="Legend";
        style=invis;
        
        L1 [label="Runtime Dependency", color=blue, style=invis];
        L2 [label="Service Integration", color=orange, style=invis];
        L3 [label="Deployment/Config", color=purple, style=invis];
        L4 [label="Systemd Order", color=red, style=invis];
    }
}