:root{--ink:#161616;--ink-muted:#4b5563;--ink-soft:#8a94a0;--paper:#fff;--surface:#f4f7f9;--surface-2:#e4ebf0;--rule:#d9e3e8;--primary:#003154;--primary-interactive:#0063a3;--primary-tint:#e4ebf0;--signal:#b92b06;--accent:#2e8275;--accent-tint:#7ecbbe38;--success:#38713f;--warning:#895a00;--warning-tint:#fff4dc;--font:"Source Sans 3", system-ui, -apple-system, "Segoe UI", sans-serif;--mono:"Source Code Pro", ui-monospace, SFMono-Regular, Menlo, monospace;--radius:4px;--header-h:56px;--rail-w:300px;--content-w:960px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--font);color:var(--ink);background:var(--surface);-webkit-font-smoothing:antialiased;font-size:16px;line-height:1.5}a{color:var(--primary-interactive);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--primary);margin:0 0 8px;font-weight:600;line-height:1.2}h1{font-size:28px}h2{font-size:22px}h3{font-size:18px}h4{font-size:16px}p{margin:0 0 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