|chart| "Reactor warm-up" [
|axis#t| "min" { side: bottom; range: 0 6; }
|axis| "°C" { side: left; }
|band| "Warm" { span: 0 1.5; axis: t; fill: --sky; }
|band| "Hold" { span: 1.5 3.5; axis: t; fill: --amber; }
|band| "Cool" { span: 3.5 6; axis: t; fill: --teal; }
|line| "core" {
data: 0 20, 1 90, 2 300, 3 330, 4 160, 5 60; stroke: --rose-deep;
}
]