:root{
  --green-50:#e8f5e9;--green-100:#c8e6c9;--green-200:#a5d6a7;--green-500:#4caf50;
  --green-600:#43a047;--green-700:#2e7d32;--green-800:#1b5e20;
  --gray-50:#f8fafc;--gray-100:#f1f5f9;--gray-200:#e2e8f0;
  --gray-300:#cbd5e1;--gray-500:#64748b;--gray-700:#334155;--gray-900:#0f172a;
  --red:#dc2626;--orange:#f59e0b;--blue:#2563eb;--purple:#7c3aed;
  --radius:10px;--radius-lg:16px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow:0 4px 12px rgba(0,0,0,.08);
  --shadow-lg:0 12px 32px rgba(0,0,0,.12);
  --sidebar-w:250px;--topbar-h:60px;--bottomnav-h:64px;
  --font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',sans-serif;
}