*, *::before, *::after { box-sizing: border-box }

:root {
    --operator-border: gainsboro;
    --operator-bg-subtle: whitesmoke;
    --operator-text-muted: dimgray;
    --operator-accent: steelblue;
    --operator-error: crimson;
    --operator-error-bg: color-mix(in oklab, crimson 10%, white);
    --operator-success: seagreen;
    --operator-success-bg: color-mix(in oklab, seagreen 10%, white);
    --operator-warning: goldenrod;
    --operator-warning-bg: color-mix(in oklab, goldenrod 10%, white);
    --operator-radius: 0.375rem;
    --operator-gap: 1.5rem;
}

body {
    margin: 0;
    padding: 0;
    background-color: #aaa;
}

body[data-empire] { background-color: var(--player-color) }