:root{--bg:#f4f7fb;--panel:#fff;--text:#172033;--muted:#6b7280;--line:#e5e7eb;--brand:#5b5cf0;--brand2:#7c3aed;--danger:#dc2626;--success:#059669;--dark:#111827}*{box-sizing:border-box}body{margin:0;font:14px/1.45 Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:var(--brand);text-decoration:none}.shell{min-height:100vh;display:grid;grid-template-columns:245px 1fr}aside{background:var(--dark);color:#fff;padding:18px 14px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column}.brand{display:flex;gap:12px;align-items:center;padding:8px 10px 22px}.brand .logo{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));display:grid;place-items:center;font-weight:900}.brand b{display:block;letter-spacing:.08em}.brand small{color:#9ca3af}nav{display:grid;gap:4px}nav a{color:#cbd5e1;padding:10px 12px;border-radius:9px}nav a:hover,nav 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