Error Boundary improvements, useLocalStorage hook, and CourseCard enhancements

src/app/layout.tsx

@@ -7,7 +7,10 @@ import { ErrorBoundary } from "@/components/shared/error-boundary";
 import { ToastProvider } from "@/components/shared/toast-provider";
 import { AuthProvider } from "@/components/auth/auth-provider";
 import { TooltipProvider } from "@/components/ui/tooltip";
-import { ThemeProvider, themeInitScript } from "@/components/theme/theme-provider";
+import {
+  ThemeProvider,
+  themeInitScript,
+} from "@/components/theme/theme-provider";
 import { PageTransition } from "@/components/shared/page-transition";
 import "./globals.css";
 
@@ -68,7 +71,13 @@ export default function RootLayout({
         >
           Skip to content
         </a>
-        <ErrorBoundary>
+        <ErrorBoundary
+          showErrorDetails={process.env.NODE_ENV === "development"}
+          onError={(error, errorInfo) => {
+            console.error("Application error:", error);
+            console.error("Component stack:", errorInfo.componentStack);
+          }}
+        >
           <WalletProvider>
             <TooltipProvider>
               <ToastProvider>

src/components/course/course-card.tsx

@@ -5,8 +5,18 @@ import Link from "next/link";
 import { cn } from "@/lib/utils/cn";
 import { Card, CardContent, CardFooter } from "@/components/ui/card";
 import { Badge, difficultyVariant } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
 import { ProgressBar } from "@/components/course/progress-bar";
-import { Clock, Users, Star, MoreVertical, Share, Bookmark } from "lucide-react";
+import {
+  Clock,
+  Users,
+  Star,
+  MoreVertical,
+  Share,
+  Bookmark,
+  PlayCircle,
+  Plus,
+} from "lucide-react";
 import {
   DropdownMenu,
   DropdownMenuContent,
@@ -20,32 +30,83 @@ interface CourseCardProps {
   course: Course;
   enrolled?: boolean;
   progress?: number;
+  onEnroll?: (courseId: string) => void;
+  onContinue?: (courseId: string) => void;
   className?: string;
 }
 
-
 export const CourseCard = memo(function CourseCard({
   course,
   enrolled,
   progress,
+  onEnroll,
+  onContinue,
   className,
 }: CourseCardProps) {
+  const handleEnroll = (e: React.MouseEvent) => {
+    e.preventDefault();
+    onEnroll?.(course.id);
+  };
+
+  const handleContinue = (e: React.MouseEvent) => {
+    e.preventDefault();
+    onContinue?.(course.id);
+  };
+
   return (
     <Link href={`/courses/${course.id}`}>
       <Card
         className={cn(
-          "group cursor-pointer transition-all hover:shadow-md hover:-translate-y-0.5",
-          className
+          "group cursor-pointer transition-all hover:shadow-lg hover:-translate-y-1",
+          className,
         )}
       >
-        {/* Image placeholder */}
-        <div className="h-40 rounded-t-xl bg-gradient-to-br from-stellar-purple/20 to-stellar-blue/20 flex items-center justify-center relative">
+        {/* Image placeholder with enrolled badge */}
+        <div className="h-40 rounded-t-xl bg-gradient-to-br from-stellar-purple/20 to-stellar-blue/20 flex items-center justify-center relative overflow-hidden">
           <Star className="h-10 w-10 text-stellar-purple/40" />
-
-          <div className="absolute top-2 right-2" onClick={(e) => e.preventDefault()} onKeyDown={(e) => { if (e.key === 'Enter' || e.key === ' ') e.preventDefault(); }}>
+
+          {/* Enrolled badge */}
+          {enrolled && (
+            <div className="absolute top-2 left-2">
+              <Badge className="bg-green-600 hover:bg-green-700 text-white animate-in fade-in slide-in-from-top-2 duration-300">
+                ✓ Enrolled
+              </Badge>
+            </div>
+          )}
+
+          {/* Action buttons on hover */}
+          <div className="absolute inset-0 bg-black/40 opacity-0 group-hover:opacity-100 transition-opacity duration-300 flex items-center justify-center gap-2">
+            {enrolled ? (
+              <Button
+                size="sm"
+                variant="secondary"
+                className="gap-2"
+                onClick={handleContinue}
+              >
+                <PlayCircle className="h-4 w-4" />
+                Continue
+              </Button>
+            ) : (
+              <Button size="sm" className="gap-2" onClick={handleEnroll}>
+                <Plus className="h-4 w-4" />
+                Enroll
+              </Button>
+            )}
+          </div>
+
+          <div
+            className="absolute top-2 right-2"
+            onClick={(e) => e.preventDefault()}
+            onKeyDown={(e) => {
+              if (e.key === "Enter" || e.key === " ") e.preventDefault();
+            }}
+          >
             <DropdownMenu>
               <DropdownMenuTrigger asChild>
-                 <button aria-label="Course options" className="p-1.5 text-gray-500 hover:text-gray-900 bg-white/50 hover:bg-white/80 rounded-full transition-colors dark:text-gray-300 dark:hover:text-gray-100 dark:bg-gray-900/50 dark:hover:bg-gray-900/80">
+                <button
+                  aria-label="Course options"
+                  className="p-1.5 text-gray-500 hover:text-gray-900 bg-white/50 hover:bg-white/80 rounded-full transition-colors dark:text-gray-300 dark:hover:text-gray-100 dark:bg-gray-900/50 dark:hover:bg-gray-900/80"
+                >
                   <MoreVertical className="h-4 w-4" />
                 </button>
               </DropdownMenuTrigger>
@@ -70,18 +131,20 @@ export const CourseCard = memo(function CourseCard({
             <Badge variant={difficultyVariant(course.difficulty)}>
               {capitalize(course.difficulty)}
             </Badge>
-            <span className="text-xs text-gray-500">{capitalize(course.category)}</span>
+            <span className="text-xs text-gray-500">
+              {capitalize(course.category)}
+            </span>
           </div>
 
-           <h3 className="font-semibold text-gray-900 group-hover:text-primary-600 transition-colors mb-1 dark:text-gray-100 dark:group-hover:text-primary-300">
+          <h3 className="font-semibold text-gray-900 group-hover:text-primary-600 transition-colors mb-1 dark:text-gray-100 dark:group-hover:text-primary-300">
             {course.title}
           </h3>
           <p className="text-sm text-gray-500 line-clamp-2 dark:text-gray-400">
             {course.description}
           </p>
         </CardContent>
 
-        <CardFooter className="px-4 pb-4 pt-0">
+        <CardFooter className="px-4 pb-4 pt-0 flex-col gap-3">
           <div className="flex items-center justify-between w-full text-xs text-gray-500 dark:text-gray-400">
             <div className="flex items-center gap-3">
               <span className="flex items-center gap-1">
@@ -98,8 +161,17 @@ export const CourseCard = memo(function CourseCard({
             </span>
           </div>
 
+          {/* Progress bar with percentage label */}
           {enrolled && progress !== undefined && (
-            <div className="w-full mt-3 animate-in fade-in slide-in-from-top-2 duration-300">
+            <div className="w-full space-y-1 animate-in fade-in slide-in-from-top-2 duration-300">
+              <div className="flex items-center justify-between">
+                <span className="text-xs font-medium text-gray-600 dark:text-gray-400">
+                  Progress
+                </span>
+                <span className="text-xs font-semibold text-stellar-purple">
+                  {Math.round(progress)}%
+                </span>
+              </div>
               <ProgressBar value={progress} size="sm" />
             </div>
           )}