*,:after,:before{box-sizing:border-box}:root{--bg:#ffffff;--bg2:#f8fafc;--txt:#0f172a;--txt2:#64748b;--border:#e2e8f0;--blue:#1d4ed8;--red:#dc2626}@media (prefers-color-scheme:dark){:root{--bg:#0f172a;--bg2:#1e293b;--txt:#f1f5f9;--txt2:#94a3b8;--border:#334155}}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--txt)}