fix(chat): force opaque jump calendar in standalone window

src/components/JumpToDatePopover.scss

@@ -5,10 +5,13 @@
   width: 312px;
   border-radius: 14px;
   border: 1px solid var(--border-color);
-  background: var(--bg-secondary-solid, #ffffff);
+  background: none;
+  background-color: var(--bg-secondary-solid, #ffffff) !important;
   opacity: 1;
-  backdrop-filter: none;
-  -webkit-backdrop-filter: none;
+  backdrop-filter: none !important;
+  -webkit-backdrop-filter: none !important;
+  mix-blend-mode: normal;
+  isolation: isolate;
   box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
   padding: 12px;
   z-index: 1600;
@@ -32,7 +35,8 @@
   height: 28px;
   border: 1px solid var(--border-color);
   border-radius: 8px;
-  background: var(--bg-secondary-solid, #ffffff);
+  background: none;
+  background-color: var(--bg-secondary-solid, #ffffff) !important;
   color: var(--text-secondary);
   display: inline-flex;
   align-items: center;