:root{--bg-color:#f8fafc;--text-color:#0f172a;--text-muted:#64748b;--card-bg:#ffffff;--border-color:#e2e8f0;--doorstep-bg:#ccfbf1;--doorstep-color:#0f766e;--reserved-bg:#fef3c7;--reserved-color:#b45309;--primary-color:#2563eb;--primary-hover:#1d4ed8}*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-color);color:var(--text-color);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer}