:root{color-scheme:light;--bg: #ffffff;--surface: #ffffff;--surface-2: #f5f7f9;--ink: #1f2933;--muted: #5b6673;--line: #e2e6eb;--grid: #d9dfe5;--edge: #74828f;--accent: #d9731f;--good: #1b7f52;--good-bg: #e4f4ec;--warn: #9a4a0b;--warn-bg: #fcf1e3;--mistake: #c0392b;--mistake-bg: #fcecea;--role-treatment: #fa953d;--role-outcome: #16a085;--role-confounder: #3498db;--role-mediator: #9b59b6;--role-collider: #e74c3c;--role-instrument: #f1c40f;--role-precision: #e6ebee;--role-unrelated: #b3bfc0;--on-role: #1f2933;--on-role-strong: #ffffff;--font-display: "Source Serif 4", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--font-body: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif;--font-ui: "Source Sans 3", "Segoe UI", system-ui, -apple-system, sans-serif}*{box-sizing:border-box}[hidden]{display:none!important}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--font-body)}.wrap{max-width:1240px;margin:0 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