:root{--bg:#f5f7fa;--surface:#ffffff;--surface-2:#fafbfc;--surface-3:#f4f6f9;--line:#e9ecf1;--line-strong:#dfe3ea;--text:#0f172a;--text-2:#475569;--muted:#94a3b8;--brand:#2563eb;--brand-strong:#1d4ed8;--brand-soft:#eff5ff;--brand-softer:#f5f9ff;--brand-ring:rgba(37,99,235,0.14);--brand-text:#1e40af;--green:#16a34a;--green-soft:#e8f7ed;--amber:#d97706;--amber-soft:#fef4e6;--red:#dc2626;--red-soft:#fdecec;--violet:#7c3aed;--violet-soft:#f3eefe;--sky:#0ea5e9;--sky-soft:#e7f6fe;--hot:#e1453a;--hot-soft:#fdebe9;--warm:#e08a00;--warm-soft:#fdf2e0;--cold:#5b7ca8;--cold-soft:#eef3f9;--shadow-xs:0 1px 2px rgba(15,23,42,0.05);--shadow-sm:0 1px 3px rgba(15,23,42,0.06),0 1px 2px rgba(15,23,42,0.04);--shadow:0 6px 20px rgba(15,23,42,0.07),0 2px 6px rgba(15,23,42,0.04);--shadow-lg:0 16px 48px rgba(15,23,42,0.12),0 4px 12px 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