feat: Initialize React frontend project with Vite, Tailwind CSS, Radix UI, and global styling.

frontend/src/components/ui/scroll-area.tsx

@@ -33,9 +33,9 @@ const ScrollBar = React.forwardRef<
     className={cn(
       "flex touch-none select-none transition-colors",
       orientation === "vertical" &&
-        "h-full w-2.5 border-l border-l-transparent p-[1px]",
+        "h-full w-2.5 border-l border-l-transparent p-px",
       orientation === "horizontal" &&
-        "h-2.5 flex-col border-t border-t-transparent p-[1px]",
+        "h-2.5 flex-col border-t border-t-transparent p-px",
       className
     )}
     {...props}

frontend/src/index.css

@@ -1,6 +1,58 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@import 'tailwindcss';
+
+@plugin 'tailwindcss-animate';
+
+@custom-variant dark (&:is(.dark *));
+
+@theme {
+  --color-border: hsl(var(--border));
+  --color-input: hsl(var(--input));
+  --color-ring: hsl(var(--ring));
+  --color-background: hsl(var(--background));
+  --color-foreground: hsl(var(--foreground));
+
+  --color-primary: hsl(var(--primary));
+  --color-primary-foreground: hsl(var(--primary-foreground));
+
+  --color-secondary: hsl(var(--secondary));
+  --color-secondary-foreground: hsl(var(--secondary-foreground));
+
+  --color-destructive: hsl(var(--destructive));
+  --color-destructive-foreground: hsl(var(--destructive-foreground));
+
+  --color-muted: hsl(var(--muted));
+  --color-muted-foreground: hsl(var(--muted-foreground));
+
+  --color-accent: hsl(var(--accent));
+  --color-accent-foreground: hsl(var(--accent-foreground));
+
+  --color-popover: hsl(var(--popover));
+  --color-popover-foreground: hsl(var(--popover-foreground));
+
+  --color-card: hsl(var(--card));
+  --color-card-foreground: hsl(var(--card-foreground));
+
+  --radius-lg: var(--radius);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-sm: calc(var(--radius) - 4px);
+
+  --color-chart-1: hsl(var(--chart-1));
+  --color-chart-2: hsl(var(--chart-2));
+  --color-chart-3: hsl(var(--chart-3));
+  --color-chart-4: hsl(var(--chart-4));
+  --color-chart-5: hsl(var(--chart-5));
+}
+
+@layer base {
+
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-border, currentColor);
+  }
+}
 
 @layer base {
   :root {
@@ -59,11 +111,6 @@
   }
 }
 
-* {
-  margin: 0;
-  padding: 0;
-  box-sizing: border-box;
-}
 
 html,
 body,