:root{--sidebar-bg:#fff;--sidebar-border:#e5e7eb;--bg-color:#f9fafb;--text-primary:#111827;--text-secondary:#6b7280;--accent-color:#2563eb;--accent-secondary:#7c3aed;--accent-bg:#eff6ff;--border-color:#e5e7eb;--hover-bg:#f3f4f6;--button-bg:#fff;--scrollbar-thumb:#d1d5db;--scrollbar-thumb-hover:#9ca3af}.dark{--sidebar-bg:#1f2937;--sidebar-border:#374151;--bg-color:#111827;--text-primary:#f9fafb;--text-secondary:#9ca3af;--accent-color:#3b82f6;--accent-secondary:#8b5cf6;--accent-bg:#1e3a8a;--border-color:#374151;--hover-bg:#374151;--button-bg:#374151;--scrollbar-thumb:#4b5563;--scrollbar-thumb-hover:#6b7280}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica 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