:root{--font-sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--bg-app:#f8fafc;--bg-surface:#ffffff;--bg-subtle:#f1f5f9;--border:#e2e8f0;--border-focus:#3b82f6;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--primary:#0284c7;--primary-hover:#0369a1;--primary-subtle:#e0f2fe;--primary-text:#0369a1;--success:#16a34a;--success-subtle:#dcfce7;--success-text:#15803d;--warning:#d97706;--warning-subtle:#fef3c7;--warning-text:#b45309;--danger:#dc2626;--danger-subtle:#fee2e2;--danger-text:#b91c1c;--info:#6366f1;--info-subtle:#e0e7ff;--info-text:#4338ca;--shadow-sm:0 1px 2px 0 rgb(0 0 0/0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0/0.1),0 2px 4px -2px rgb(0 0 0/0.1);--shadow-lg:0 10px 15px -3px rgb(0 0 0/0.1),0 4px 6px -4px rgb(0 0 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