:root{--blue: #1f5fa8;--ink: #1d2733;--muted: #667085;--line: #d9dee5;--bg: #f4f6f9;--bad: #b42318;--good: #067647}*{box-sizing:border-box}body{margin:0;font:15px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}h1{font-size:22px;margin:0 0 16px}h2{font-size:16px;margin:20px 0 8px}.muted{color:var(--muted)}.small{font-size:12.5px}.center{text-align:center;padding:40px}.error{color:var(--bad)}.ok{color:var(--good);font-weight:600}.shell{display:grid;grid-template-columns:220px 1fr;grid-template-rows:48px 1fr;min-height:100vh}.topbar{grid-column:1 / 3;background:#101828;color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px}.topbar .link{color:#cfd8e3}.side{background:#fff;border-right:1px solid var(--line);padding:16px 0}.who{padding:0 16px 14px;border-bottom:1px solid var(--line);margin-bottom:8px}.side nav a{display:block;padding:10px 16px;color:var(--ink);text-decoration:none}.side nav 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