feat(ui): redesign with transparent liquid glass (#414)

* docs: add design spec for iOS 26 Liquid Glass UI redesign

* docs: add implementation plan for iOS 26 Liquid Glass UI redesign

* feat(ui): add liquid glass CSS variables and update root layouts

* feat(ui): update Card and Modal components to iOS 26 Liquid Glass style

* feat(ui): redesign dashboard page to Liquid Glass style

* feat(ui): redesign node management page cards and charts

* feat(ui): redesign monitor page to Liquid Glass style

* feat(ui): redesign group and panel-sharing cards to Liquid Glass

* feat(ui): redesign settings and user components to Liquid Glass

* feat(ui): redesign profile and auth pages to Liquid Glass

* fix(ui): revert to LineChart to fix compilation issues

* refactor(ui): extract dashboard user header and cleanup admin layout

* feat(ui): refine monitor page hero metrics and fix build

* fix(ui): real data for monitor hero metrics and card padding adjustments

* fix(ui): apply global card padding and fix index layouts

* feat(ui): implement liquid-glass-react for all Card components

* fix(ui): resolve liquid-glass-react rendering issues causing invisible text and broken layout

* fix(ui): native CSS liquid-glass effect replacing NPM package

* fix(ui): cleanup duplicate closing tags and complete liquid glass tables

* fix(ui): apply perfect rounded corners to list views and table headers in non-compact mode

* fix(ui): apply liquid glass styling to grouped rules view in forward page

* fix(ui): re-implement liquid-glass natively to prevent text distortion and remove package dependency

* fix(ui): remove mouse distortion and preserve proper liquid glass texture

* fix(ui): remove svg filter causing text distortion and replace with pure css liquid glass

* fix(ui): apply properly scoped border radius to table headers

* fix(ui): remove hardcoded bg-default-50/60 from TableHeader

* fix(ui): apply global liquid glass styling and transparent overlays to all modals and dialogs

* fix(ui): remove absolute/relative class conflicts hiding Dialog modales and implement pure transparent layout

* feat(ui): apply global liquid glass styling to cards, buttons, and diagnosis modals

vite-frontend/src/components/ui/card.tsx

@@ -1,14 +1,21 @@
 import * as React from "react";
-
 import { cn } from "@/lib/utils";
 
-function Card({ className, ...props }: React.ComponentProps<"div">) {
+function Card({ className, style, ...props }: React.ComponentProps<"div">) {
   return (
     <div
       className={cn(
-        "rounded-xl border border-default-200 bg-white text-card-foreground shadow-sm dark:bg-default-50/20",
-        className,
+        "relative flex flex-col transition-all duration-300",
+        "rounded-[24px] text-card-foreground shadow-[0_12px_40px_rgba(0,0,0,0.12)] dark:shadow-[0_12px_40px_rgba(0,0,0,0.4)]",
+        className
       )}
+      style={{
+        ...style,
+        background: "linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.1) 40%, rgba(255,255,255,0.05) 60%, rgba(255,255,255,0.2) 100%)",
+        boxShadow: "inset 0 1px 1px rgba(255,255,255,0.8), inset 0 0 0 1px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.1), 0 12px 40px rgba(0,0,0,0.12)",
+        backdropFilter: "blur(24px) saturate(180%)",
+        WebkitBackdropFilter: "blur(24px) saturate(180%)",
+      }}
       data-slot="card"
       {...props}
     />
@@ -57,7 +64,7 @@ function CardDescription({ className, ...props }: React.ComponentProps<"p">) {
 function CardContent({ className, ...props }: React.ComponentProps<"div">) {
   return (
     <div
-      className={cn("p-6 pt-0", className)}
+      className={cn("p-6", className)}
       data-slot="card-content"
       {...props}
     />

vite-frontend/src/components/ui/dialog.tsx

@@ -35,7 +35,7 @@ function DialogOverlay({
   return (
     <DialogPrimitive.Overlay
       className={cn(
-        "fixed inset-0 z-50 bg-black/50 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
+        "fixed inset-0 z-50 bg-black/30 backdrop-blur-md data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0",
         className,
       )}
       data-slot="dialog-overlay"
@@ -57,19 +57,29 @@ function DialogContent({
       <DialogOverlay />
       <DialogPrimitive.Content
         className={cn(
-          "fixed left-[50%] top-[50%] z-50 grid w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border border-default-200 bg-white p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=open]:slide-in-from-bottom-4 data-[state=closed]:slide-out-to-bottom-2 sm:rounded-lg dark:bg-default-50",
+          "fixed left-[50%] top-[50%] z-50 w-full max-w-lg translate-x-[-50%] translate-y-[-50%] duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=open]:slide-in-from-bottom-4 data-[state=closed]:slide-out-to-bottom-2",
+          "flex flex-col transition-all duration-300",
+          "rounded-[24px] text-foreground shadow-[0_20px_60px_rgba(0,0,0,0.2)] dark:shadow-[0_20px_60px_rgba(0,0,0,0.5)] border border-white/80 dark:border-white/10",
           className,
         )}
+        style={{
+          background: "linear-gradient(135deg, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.1) 40%, rgba(255,255,255,0.05) 60%, rgba(255,255,255,0.2) 100%)",
+          boxShadow: "inset 0 1px 1px rgba(255,255,255,0.8), inset 0 0 0 1px rgba(255,255,255,0.3), inset 0 -1px 1px rgba(0,0,0,0.1), 0 20px 60px rgba(0,0,0,0.2)",
+          backdropFilter: "blur(24px) saturate(180%)",
+          WebkitBackdropFilter: "blur(24px) saturate(180%)",
+        }}
         data-slot="dialog-content"
         {...props}
       >
-        {children}
-        {showCloseButton && (
-          <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none">
-            <XIcon className="h-4 w-4" />
-            <span className="sr-only">Close</span>
-          </DialogPrimitive.Close>
-        )}
+        <div className="flex flex-col flex-1 min-h-0 gap-4 p-6 rounded-[inherit] overflow-hidden bg-white/40 dark:bg-zinc-900/40 w-full h-full relative z-10 pointer-events-auto">
+          {children}
+          {showCloseButton && (
+            <DialogPrimitive.Close className="absolute right-4 top-4 rounded-sm opacity-70 ring-offset-background transition-opacity hover:opacity-100 focus:outline-none focus-visible:ring-2 focus-visible:ring-ring disabled:pointer-events-none">
+              <XIcon className="h-4 w-4" />
+              <span className="sr-only">Close</span>
+            </DialogPrimitive.Close>
+          )}
+        </div>
       </DialogPrimitive.Content>
     </DialogPortal>
   );