Enhance theming and UI components: Introduce a new dark cyan theme in globals.css, update layout to utilize ThemeProvider for consistent theming, and refactor button and card components to use CSS variables for styling. Improve navigation and alert components with dynamic styles based on theme variables, ensuring a cohesive user experience across the application.

components/ui/Textarea.tsx

@@ -27,7 +27,18 @@ const Textarea = forwardRef<HTMLTextAreaElement, TextareaProps>(
           ref={ref}
           maxLength={maxLength}
           value={value}
-          className={`w-full px-4 py-3 bg-black/60 border border-pixel-gold/30 rounded text-white placeholder-gray-500 focus:outline-none focus:border-pixel-gold transition resize-none ${className}`}
+          className={`w-full px-4 py-3 border rounded focus:outline-none transition resize-none ${className}`}
+          style={{
+            backgroundColor: "var(--input)",
+            borderColor: "var(--border)",
+            color: "var(--foreground)",
+          }}
+          onFocus={(e) => {
+            e.target.style.borderColor = "var(--accent-color)";
+          }}
+          onBlur={(e) => {
+            e.target.style.borderColor = "var(--border)";
+          }}
           {...props}
         />
         {showCharCount && maxLength && (