送金币弹窗：确认发放按钮禁用状态改为灰色背景，激活状态橙色 pill 按钮

resources/views/chat/partials/user-actions.blade.php

@@ -1150,8 +1150,8 @@
                                box-shadow:0 4px 14px rgba(245,158,11,.4);
                                white-space:nowrap; letter-spacing:.5px;"
                         :style="(sending || !amount)
-                            ? 'opacity:.4; cursor:not-allowed; transform:none; box-shadow:none;'
-                            : 'opacity:1;'"
+                            ? 'background:#d1d5db; cursor:not-allowed; box-shadow:none; color:#9ca3af;'
+                            : 'background:#f59e0b;'"
                         :disabled="sending || !amount"
                         onmouseover="if(!this.disabled){this.style.transform='translateY(-2px)';this.style.boxShadow='0 7px 20px rgba(245,158,11,.5)'}"
                         onmouseout="this.style.transform='';this.style.boxShadow='0 4px 14px rgba(245,158,11,.4)'">