:root{--nav:#0b1f3a;--nav2:#132b4d;--navtext:#b9cbe4;--navactive:#fff;--brand:#1668c1;--brand2:#1257a3;--ink:#0f1b28;--mut:#64768c;--line:#e2e8f0;--bg:#f5f7fa;--card:#fff;--ok:#0a7d45;--okbg:#e8f7ef;--warn:#9a5b00;--warnbg:#fff6e5;--dang:#b0202a;--dangbg:#fdecec;--radius:10px}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font:14px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:21px;margin:0 0 4px;letter-spacing:-.2px}h2{font-size:17px;margin:0 0 10px}h3{font-size:14px;margin:0 0 12px;color:var(--ink);font-weight:650}.sub{color:var(--mut);font-size:13.5px;margin:0 0 20px}.app{display:flex;min-height:100vh}.sidebar{width:224px;flex:0 0 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