:root{--bg:#f5f7fb;--card:#fff;--ink:#182033;--muted:#667085;--line:#e5e9f2;--nav:#20252b;--blue:#1967ff;--violet:#6937ff;--green:#12a957;--amber:#e99a00;--red:#d92d20;--radius:16px;--shadow:0 10px 28px rgba(22,34,55,.08)}*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{min-height:100vh;display:grid;grid-template-columns:245px 1fr}.side{background:var(--nav);color:#eef2f6;padding:18px 14px;position:sticky;top:0;height:100vh;overflow:auto}.brand{display:flex;gap:11px;align-items:center;padding:4px 8px 18px;border-bottom:1px solid #343a40;margin-bottom:12px}.brand .logo{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,#1267ff,#7a35ff);display:grid;place-items:center;font-weight:900}.brand strong{display:block}.brand small{color:#aeb7c2}.nav{display:grid;gap:5px}.nav 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