ui: invert child action buttons in selected table rows to light on dark

src/Decentralized/PledgerSkin.cs

@@ -315,6 +315,26 @@ namespace Decentralized
                         if (pBtn != null && pBtn.gameObject != r.Root) continue;
                         t.color = r.Selected ? KeyText : Ink;
                     }
+                    if (r.Selected)
+                    {
+                        // 选中行整行反色（深墨底）：行内的操作按钮反转为浅色底、深墨字
+                        foreach (var cBtn in r.Root.GetComponentsInChildren<Button>(true))
+                        {
+                            if (cBtn.gameObject == r.Root) continue;
+                            cBtn.transition = Selectable.Transition.None;
+                            var img = cBtn.GetComponent<Image>();
+                            if (img != null)
+                            {
+                                img.sprite = MachineryStyle.White;
+                                img.type = Image.Type.Simple;
+                                img.color = KeyText;
+                            }
+                            foreach (var t in cBtn.GetComponentsInChildren<TextMeshProUGUI>(true))
+                            {
+                                t.color = Ink;
+                            }
+                        }
+                    }
                     if (r.OnClick != null)
                     {
                         var btn = r.Root.GetComponent<Button>() ?? r.Root.AddComponent<Button>();