:root{--bg:#f4f6f8;--panel:#fff;--ink:#16191d;--muted:#6d7580;--line:#e5e9ee;--brand:#151a22;--brand2:#2f66ff;--soft:#f8fafc;--ok:#0b8f66;--danger:#cf334e;--shadow:0 20px 60px rgba(20,28,38,.08)}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--bg)}a{color:inherit}.app-shell{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}.sidebar{background:#11151b;color:#dfe4ea;padding:24px 18px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-size:18px;margin:2px 8px 30px}.brand-mark,.auth-logo{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,#5c7cff,#2550d8);color:#fff;font-weight:800;box-shadow:0 8px 30px rgba(58,94,255,.35)}.brand b{color:#fff}.nav-link{display:block;padding:11px 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