:root{--navy:#00357b;--navy2:#06264f;--aqua:#00c4cd;--aqua2:#7cecf0;--ink:#0f1f32;--muted:#667789;--bg:#f4f8fb;--white:#fff;--line:#d7e3ec;--ok:#0a7a63;--warn:#b36b00;--danger:#b42318;--shadow:0 18px 50px rgba(0,53,123,.10)}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg);line-height:1.45}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}.sidebar{position:sticky;top:0;height:100vh;background:linear-gradient(180deg,#06264f,#00357b);color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand img{width:48px;height:48px;object-fit:contain;background:#fff;border-radius:14px;padding:3px}.brand 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