:root{--lx3:#0d47a1;--lx3b:#1976d2;--ink:#102033;--muted:#667085;--bg:#f4f7fb;--card:#fff;--line:#e5eaf2;--good:#0f9f6e;--warn:#f59e0b;--bad:#e11d48;--radius:22px;--shadow:0 18px 48px rgba(16,32,51,.10)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.icon,nav svg,.metric-icon svg,.feature-icon svg,.btn svg{width:20px;height:20px;fill:currentColor;vertical-align:middle}.app-shell{display:grid;grid-template-columns:290px 1fr;min-height:100vh}.sidebar{background:linear-gradient(180deg,#0b3f8f,#0d47a1 48%,#092e68);color:white;padding:22px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;align-items:center;gap:12px}.brand-mark{width:48px;height:48px;border-radius:16px;background:linear-gradient(135deg,#fff,#dbeafe);color:var(--lx3);display:grid;place-items:center;font-weight:900;letter-spacing:-1px;box-shadow:0 12px 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