:root{--bg:#f1f5f9;--surface:#fff;--surface-2:#f8fafc;--border:#e2e8f0;--text:#0f172a;--text-muted:#64748b;--text-faint:#94a3b8;--primary:#6366f1;--primary-dark:#4f46e5;--primary-soft:#eef2ff;--sidebar:#0f172a;--sidebar-hover:#1e293b;--sidebar-text:#cbd5e1;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--diamond:#0ea5e9;--radius:12px;--shadow:0 1px 3px rgba(15,23,42,.06),0 1px 2px rgba(15,23,42,.04);--shadow-lg:0 10px 30px rgba(15,23,42,.08)}*{box-sizing:border-box}body,html{padding:0;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Apple SD Gothic Neo,Malgun Gothic,Noto Sans 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