refactor: update component styles and improve accessibility

- Adjusted hover shadow effects in CycleTransferStatsClient for better visual feedback.
- Fixed aspect ratio class in GlobalMap for consistent rendering.
- Updated font weight in GroupSwitch for improved readability.
- Modified Separator width class in Header for consistency across components.
- Enhanced button hover effects in NetworkChartClient for better user interaction.
- Adjusted margin class in ServerDetailOverview for better alignment.
- Updated margin classes in ServerOverview for consistent spacing.
- Refined background gradient classes in ServiceTrackerClient for better color management.
- Standardized font weight in TabSwitch for consistency.
- Corrected stroke color class in AnimatedCircularProgressBar for better theming.
- Improved focus outline handling in badge and button components for better accessibility.
- Updated chart component styles for improved visual hierarchy.
- Adjusted checkbox focus outline for better accessibility.
- Enhanced command dialog styles for improved usability.
- Updated dialog close button focus outline for better accessibility.
- Refined dropdown menu styles for improved usability and consistency.
- Adjusted input focus outline for better accessibility.
- Improved popover content styles for better visibility.
- Updated select component styles for improved usability.
- Refined separator height classes for consistency.
- Enhanced switch component focus outline for better accessibility.
- Updated table footer styles for improved visual consistency.
- Refactored global CSS to use new Tailwind CSS configuration and improved theming.
- Removed outdated Tailwind configuration file.

src/index.css

@@ -1,20 +1,121 @@
-@tailwind base;
-@tailwind components;
-@tailwind utilities;
+@import "tailwindcss";
 
-:root {
-  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
-  line-height: 1.5;
-  font-weight: 400;
+@plugin "tailwindcss-animate";
 
-  color-scheme: light dark;
-  color: rgba(255, 255, 255, 0.87);
-  background-color: #242424;
+@custom-variant dark (&:is(.dark *));
 
-  font-synthesis: none;
-  text-rendering: optimizeLegibility;
-  -webkit-font-smoothing: antialiased;
-  -moz-osx-font-smoothing: grayscale;
+@theme {
+  --font-sans: var(--font-sans);
+
+  --radius-lg: var(--radius);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-sm: calc(var(--radius) - 4px);
+
+  --color-background: hsl(var(--background));
+  --color-foreground: hsl(var(--foreground));
+
+  --color-card: hsl(var(--card));
+  --color-card-foreground: hsl(var(--card-foreground));
+
+  --color-popover: hsl(var(--popover));
+  --color-popover-foreground: hsl(var(--popover-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-muted: hsl(var(--muted));
+  --color-muted-foreground: hsl(var(--muted-foreground));
+
+  --color-accent: hsl(var(--accent));
+  --color-accent-foreground: hsl(var(--accent-foreground));
+
+  --color-destructive: hsl(var(--destructive));
+  --color-destructive-foreground: hsl(var(--destructive-foreground));
+
+  --color-border: hsl(var(--border));
+  --color-input: hsl(var(--input));
+  --color-ring: hsl(var(--ring));
+
+  --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));
+
+  --animate-accordion-down: accordion-down 0.2s ease-out;
+  --animate-accordion-up: accordion-up 0.2s ease-out;
+
+  @keyframes accordion-down {
+    from {
+      height: 0;
+    }
+    to {
+      height: var(--radix-accordion-content-height);
+    }
+  }
+  @keyframes accordion-up {
+    from {
+      height: var(--radix-accordion-content-height);
+    }
+    to {
+      height: 0;
+    }
+  }
+}
+
+/*
+  The default border color has changed to `currentcolor` in Tailwind CSS v4,
+  so we've added these compatibility styles to make sure everything still
+  looks the same as it did with Tailwind CSS v3.
+
+  If we ever want to remove these styles, we need to add an explicit border
+  color utility to any element that depends on these defaults.
+*/
+@layer base {
+  *,
+  ::after,
+  ::before,
+  ::backdrop,
+  ::file-selector-button {
+    border-color: var(--color-gray-200, currentcolor);
+  }
+}
+
+@utility step {
+  counter-increment: step;
+
+  &:before {
+    @apply border-background bg-muted absolute inline-flex h-9 w-9 items-center justify-center rounded-full border-4 text-center -indent-px font-mono text-base font-medium;
+    @apply mt-[-4px] ml-[-50px];
+    content: counter(step);
+  }
+}
+
+@layer utilities {
+  :root {
+    font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
+    line-height: 1.5;
+    font-weight: 400;
+
+    color-scheme: light dark;
+    color: rgba(255, 255, 255, 0.87);
+    background-color: #242424;
+
+    font-synthesis: none;
+    text-rendering: optimizeLegibility;
+    -webkit-font-smoothing: antialiased;
+    -moz-osx-font-smoothing: grayscale;
+  }
+}
+
+@layer base {
+  button:not(:disabled),
+  [role="button"]:not(:disabled) {
+    cursor: pointer;
+  }
 }
 
 @layer base {
@@ -99,18 +200,6 @@
   }
 }
 
-@layer utilities {
-  .step {
-    counter-increment: step;
-  }
-
-  .step:before {
-    @apply absolute inline-flex h-9 w-9 items-center justify-center rounded-full border-4 border-background bg-muted text-center -indent-px font-mono text-base font-medium;
-    @apply ml-[-50px] mt-[-4px];
-    content: counter(step);
-  }
-}
-
 @media (max-width: 640px) {
   .container {
     @apply px-4;