diff --git a/app/Http/Controllers/WorkoutController.php b/app/Http/Controllers/WorkoutController.php
index cb6a8c5..5744f7d 100644
--- a/app/Http/Controllers/WorkoutController.php
+++ b/app/Http/Controllers/WorkoutController.php
@@ -21,6 +21,64 @@ class WorkoutController extends Controller
         return view('workouts.index', compact('workouts'));
     }
 
+    public function community(Request $request)
+    {
+        $q = trim((string) $request->query('q', ''));
+
+        $workouts = Workout::query()
+            ->where('is_public', true)
+            ->with(['user:id,name', 'items'])
+            ->when($q !== '', fn ($qb) => $qb->where('title', 'like', "%{$q}%"))
+            ->latest()
+            ->paginate(12)
+            ->withQueryString();
+
+        return view('workouts.community', [
+            'workouts' => $workouts,
+            'filters' => ['q' => $q],
+        ]);
+    }
+
+    public function togglePublic(Workout $workout)
+    {
+        if ($workout->user_id !== Auth::id()) {
+            abort(403);
+        }
+        $workout->is_public = !$workout->is_public;
+        $workout->save();
+
+        return back()->with('status', $workout->is_public ? 'Workout is now public' : 'Workout is now private');
+    }
+
+    public function copy(Workout $workout)
+    {
+        if (!$workout->is_public && $workout->user_id !== Auth::id()) {
+            abort(403);
+        }
+
+        $workout->loadMissing('items');
+
+        $copy = Auth::user()->workouts()->create([
+            'title' => $workout->title . ' (copy)',
+            'notes' => $workout->notes,
+            'estimated_minutes' => $workout->estimated_minutes,
+        ]);
+
+        foreach ($workout->items as $item) {
+            $copy->items()->create([
+                'exercise_id' => $item->exercise_id,
+                'position' => $item->position,
+                'sets' => $item->sets,
+                'reps' => $item->reps,
+                'weight' => $item->weight,
+                'rest_seconds' => $item->rest_seconds,
+                'notes' => $item->notes,
+            ]);
+        }
+
+        return redirect()->route('workouts.show', $copy)->with('status', 'Workout copied to your library');
+    }
+
     public function create()
     {
         // Simple create form (builder-like)
@@ -40,8 +98,8 @@ class WorkoutController extends Controller
 
     public function show(Workout $workout)
     {
-        $this->authorizeWorkout($workout);
-        $workout->load(['items.exercise', 'assignedByTrainer']);
+        $this->authorizeView($workout);
+        $workout->load(['items.exercise', 'assignedByTrainer', 'user:id,name']);
         $exercises = Exercise::orderBy('name')->limit(20)->get(['id','name','slug']);
         return view('workouts.show', compact('workout', 'exercises'));
     }
@@ -133,4 +191,14 @@ class WorkoutController extends Controller
         }
         abort(403);
     }
+
+    // Read-only: anyone can view a public workout (to decide whether to copy it),
+    // in addition to everyone authorizeWorkout() already allows.
+    protected function authorizeView(Workout $workout): void
+    {
+        if ($workout->is_public) {
+            return;
+        }
+        $this->authorizeWorkout($workout);
+    }
 }
diff --git a/app/Models/Workout.php b/app/Models/Workout.php
index ba82263..9a33a43 100644
--- a/app/Models/Workout.php
+++ b/app/Models/Workout.php
@@ -21,12 +21,14 @@ class Workout extends Model
         'week_number',
         'day_number',
         'assigned_by_trainer_id',
+        'is_public',
     ];
 
     protected $casts = [
         'estimated_minutes' => 'integer',
         'week_number' => 'integer',
         'day_number' => 'integer',
+        'is_public' => 'boolean',
     ];
 
     public function user(): BelongsTo
diff --git a/database/migrations/2026_08_10_093228_add_is_public_to_workouts_table.php b/database/migrations/2026_08_10_093228_add_is_public_to_workouts_table.php
new file mode 100644
index 0000000..6527e9c
--- /dev/null
+++ b/database/migrations/2026_08_10_093228_add_is_public_to_workouts_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('workouts', function (Blueprint $table) {
+            $table->boolean('is_public')->default(false)->after('title');
+            $table->index('is_public');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('workouts', function (Blueprint $table) {
+            $table->dropIndex(['is_public']);
+            $table->dropColumn('is_public');
+        });
+    }
+};
diff --git a/resources/views/workouts/community.blade.php b/resources/views/workouts/community.blade.php
new file mode 100644
index 0000000..1aedc25
--- /dev/null
+++ b/resources/views/workouts/community.blade.php
@@ -0,0 +1,36 @@
+<x-app-layout>
+    <section class="bg-white dark:bg-gray-900 border-b border-gray-100 dark:border-gray-800">
+        <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-8">
+            <a href="{{ route('workouts.index') }}" class="text-sm text-gray-600 dark:text-gray-300 hover:text-gray-900 dark:hover:text-white">&larr; My Workouts</a>
+            <h1 class="mt-2 text-2xl sm:text-3xl font-extrabold tracking-tight text-gray-900 dark:text-white">Community Workouts</h1>
+            <p class="mt-2 text-gray-600 dark:text-gray-300">Workouts other members have made public. Copy one to your own library to use it.</p>
+        </div>
+    </section>
+
+    <section class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-6">
+        <form action="{{ route('workouts.community') }}" method="GET" class="mb-6 flex items-end gap-3 bg-white dark:bg-gray-800 rounded-2xl p-4 ring-1 ring-gray-200 dark:ring-gray-700">
+            <div class="w-full sm:w-80">
+                <label class="block text-sm font-medium text-gray-700 dark:text-gray-300">Search</label>
+                <input type="text" name="q" value="{{ $filters['q'] ?? '' }}" placeholder="Search by title" class="mt-1 w-full rounded-xl border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 placeholder-gray-400 focus:border-indigo-500 focus:ring-indigo-500 px-3 py-2">
+            </div>
+            <button type="submit" class="inline-flex items-center rounded-xl bg-gradient-to-r from-fuchsia-600 to-indigo-600 px-4 py-2 text-sm font-semibold text-white shadow hover:from-fuchsia-500 hover:to-indigo-500">Search</button>
+        </form>
+
+        @if($workouts->count() === 0)
+            <div class="rounded-2xl border border-dashed border-gray-300 dark:border-gray-700 p-8 text-center text-gray-600 dark:text-gray-300">No public workouts yet. Make one of yours public from its page to be the first.</div>
+        @else
+            <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
+                @foreach($workouts as $workout)
+                    <a href="{{ route('workouts.show', $workout) }}" class="rounded-2xl ring-1 ring-gray-200 dark:ring-gray-700 bg-white dark:bg-gray-800 p-5 hover:shadow-lg transition flex flex-col">
+                        <h3 class="text-lg font-semibold text-gray-900 dark:text-white">{{ $workout->title }}</h3>
+                        <p class="mt-1 text-sm text-gray-600 dark:text-gray-300">by {{ $workout->user->name }} &middot; {{ $workout->items->count() }} exercises @if($workout->estimated_minutes) &middot; ~{{ $workout->estimated_minutes }} min @endif</p>
+                        @if($workout->notes)
+                            <p class="mt-2 text-sm text-gray-600 dark:text-gray-300 line-clamp-3">{{ $workout->notes }}</p>
+                        @endif
+                    </a>
+                @endforeach
+            </div>
+            <div class="mt-6">{{ $workouts->links() }}</div>
+        @endif
+    </section>
+</x-app-layout>
diff --git a/resources/views/workouts/index.blade.php b/resources/views/workouts/index.blade.php
index 704780f..3e60cb4 100644
--- a/resources/views/workouts/index.blade.php
+++ b/resources/views/workouts/index.blade.php
@@ -6,7 +6,10 @@
                     <h1 class="text-2xl sm:text-3xl font-extrabold tracking-tight text-gray-900 dark:text-white">{{ __('app.workouts.my_workouts') }}</h1>
                     <p class="mt-2 text-gray-600 dark:text-gray-300">{{ __('app.workouts.manage_desc') }}</p>
                 </div>
-                <a href="{{ route('workouts.create') }}" class="inline-flex items-center rounded-xl bg-gradient-to-r from-fuchsia-600 to-indigo-600 px-4 py-2 text-sm font-semibold text-white shadow hover:from-fuchsia-500 hover:to-indigo-500">{{ __('app.workouts.new_workout') }}</a>
+                <div class="flex items-center gap-3">
+                    <a href="{{ route('workouts.community') }}" class="inline-flex items-center rounded-xl bg-gray-100 dark:bg-gray-800 px-4 py-2 text-sm font-semibold text-gray-900 dark:text-gray-100 ring-1 ring-gray-200 dark:ring-gray-700 hover:bg-gray-200 dark:hover:bg-gray-700">Browse Community</a>
+                    <a href="{{ route('workouts.create') }}" class="inline-flex items-center rounded-xl bg-gradient-to-r from-fuchsia-600 to-indigo-600 px-4 py-2 text-sm font-semibold text-white shadow hover:from-fuchsia-500 hover:to-indigo-500">{{ __('app.workouts.new_workout') }}</a>
+                </div>
             </div>
         </div>
     </section>
diff --git a/resources/views/workouts/show.blade.php b/resources/views/workouts/show.blade.php
index f6b92cd..b1aa27d 100644
--- a/resources/views/workouts/show.blade.php
+++ b/resources/views/workouts/show.blade.php
@@ -1,9 +1,13 @@
 <x-app-layout>
+    @php
+        $isOwner = Auth::id() === $workout->user_id;
+        $canManage = $isOwner || (Auth::check() && $workout->assigned_by_trainer_id === Auth::id());
+    @endphp
     <section class="bg-white dark:bg-gray-900 border-b border-gray-100 dark:border-gray-800">
         <div class="mx-auto max-w-7xl px-4 sm:px-6 lg:px-8 py-8">
             <div class="flex items-center justify-between">
                 <div>
-                    <a href="{{ route('workouts.index') }}" class="text-sm text-gray-600 dark:text-gray-300 hover:text-gray-900 dark:hover:text-white">← Back to Workouts</a>
+                    <a href="{{ url()->previous() === url()->current() ? route('workouts.index') : url()->previous() }}" class="text-sm text-gray-600 dark:text-gray-300 hover:text-gray-900 dark:hover:text-white">← Back</a>
                     <div class="mt-2 flex items-center gap-3">
                         <h1 class="text-2xl sm:text-3xl font-extrabold tracking-tight text-gray-900 dark:text-white">{{ $workout->title }}</h1>
                         @auth
@@ -26,19 +30,33 @@
                     @if($workout->assignedByTrainer)
                         <span class="mt-2 inline-flex items-center rounded-full bg-indigo-100 dark:bg-indigo-900/40 text-indigo-700 dark:text-indigo-300 px-2.5 py-0.5 text-xs font-medium">Assigned by {{ $workout->assignedByTrainer->name }}</span>
                     @endif
+                    @if(!$isOwner && $workout->is_public)
+                        <span class="mt-2 inline-flex items-center rounded-full bg-emerald-100 dark:bg-emerald-900/40 text-emerald-700 dark:text-emerald-300 px-2.5 py-0.5 text-xs font-medium">Public workout by {{ $workout->user->name }}</span>
+                    @endif
                     <p class="mt-1 text-gray-600 dark:text-gray-300">@if($workout->estimated_minutes) ~ {{ $workout->estimated_minutes }} min · @endif {{ $workout->items->count() }} exercises</p>
                 </div>
                 <div class="flex items-center gap-3">
-                    @if(Auth::id() === $workout->user_id)
+                    @if($isOwner)
                         <form method="POST" action="{{ route('sessions.store', $workout) }}">
                             @csrf
                             <button type="submit" class="inline-flex items-center rounded-xl bg-gradient-to-r from-emerald-600 to-teal-600 px-3 py-2 text-sm font-semibold text-white shadow hover:from-emerald-500 hover:to-teal-500" title="{{ __('app.sessions.start') }}" aria-label="{{ __('app.sessions.start') }}">{{ __('app.sessions.start') }}</button>
                         </form>
+                        <form method="POST" action="{{ route('workouts.toggle-public', $workout) }}">
+                            @csrf
+                            <button type="submit" class="inline-flex items-center gap-1.5 rounded-full bg-gray-100 dark:bg-gray-800 px-3 py-1 text-xs font-semibold text-gray-900 dark:text-gray-100 ring-1 ring-gray-200 dark:ring-gray-700 hover:bg-gray-200 dark:hover:bg-gray-700">
+                                {{ $workout->is_public ? 'Public' : 'Private' }}
+                            </button>
+                        </form>
                         <form method="POST" action="{{ route('workouts.destroy', $workout) }}" onsubmit="return confirm('{{ __('app.workouts.confirm_delete') }}');">
                             @csrf
                             @method('DELETE')
                             <button type="submit" class="text-sm text-red-600 hover:text-red-500">{{ __('app.workouts.delete') }}</button>
                         </form>
+                    @elseif(Auth::check() && $workout->is_public)
+                        <form method="POST" action="{{ route('workouts.copy', $workout) }}">
+                            @csrf
+                            <button type="submit" class="inline-flex items-center rounded-xl bg-gradient-to-r from-fuchsia-600 to-indigo-600 px-3 py-2 text-sm font-semibold text-white shadow hover:from-fuchsia-500 hover:to-indigo-500">Copy to My Workouts</button>
+                        </form>
                     @endif
                 </div>
             </div>
@@ -83,30 +101,34 @@
                                                 <div class="mt-2 text-sm text-gray-600 dark:text-gray-300">{{ $item->notes }}</div>
                                             @endif
                                         </div>
-                                        <div class="flex items-center gap-3">
-                                            <form method="POST" action="{{ route('workouts.exercises.remove', [$workout, $item]) }}" onsubmit="return confirm('Remove this exercise?');">
-                                                @csrf
-                                                @method('DELETE')
-                                                <button type="submit" class="text-sm text-red-600 hover:text-red-500">Remove</button>
-                                            </form>
-                                        </div>
-                                    </div>
-                                    <details class="mt-3">
-                                        <summary class="cursor-pointer text-sm text-indigo-600">Edit</summary>
-                                        <form method="POST" action="{{ route('workouts.exercises.update', [$workout, $item]) }}" class="mt-3 grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-3">
-                                            @csrf
-                                            @method('PATCH')
-                                            <input type="number" name="position" value="{{ $item->position }}" min="1" placeholder="Position" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <input type="number" name="sets" value="{{ $item->sets }}" min="1" placeholder="Sets" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <input type="number" name="reps" value="{{ $item->reps }}" min="1" placeholder="Reps" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <input type="number" step="0.5" name="weight" value="{{ $item->weight }}" min="0" placeholder="Weight (kg)" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <input type="number" name="rest_seconds" value="{{ $item->rest_seconds }}" min="0" placeholder="Rest (s)" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <input type="text" name="notes" value="{{ $item->notes }}" placeholder="Notes" class="lg:col-span-6 rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
-                                            <div class="lg:col-span-6">
-                                                <button type="submit" class="inline-flex items-center rounded-lg bg-indigo-600 px-3 py-2 text-sm font-semibold text-white hover:bg-indigo-500">Save</button>
+                                        @if($canManage)
+                                            <div class="flex items-center gap-3">
+                                                <form method="POST" action="{{ route('workouts.exercises.remove', [$workout, $item]) }}" onsubmit="return confirm('Remove this exercise?');">
+                                                    @csrf
+                                                    @method('DELETE')
+                                                    <button type="submit" class="text-sm text-red-600 hover:text-red-500">Remove</button>
+                                                </form>
                                             </div>
-                                        </form>
-                                    </details>
+                                        @endif
+                                    </div>
+                                    @if($canManage)
+                                        <details class="mt-3">
+                                            <summary class="cursor-pointer text-sm text-indigo-600">Edit</summary>
+                                            <form method="POST" action="{{ route('workouts.exercises.update', [$workout, $item]) }}" class="mt-3 grid grid-cols-2 md:grid-cols-3 lg:grid-cols-6 gap-3">
+                                                @csrf
+                                                @method('PATCH')
+                                                <input type="number" name="position" value="{{ $item->position }}" min="1" placeholder="Position" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <input type="number" name="sets" value="{{ $item->sets }}" min="1" placeholder="Sets" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <input type="number" name="reps" value="{{ $item->reps }}" min="1" placeholder="Reps" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <input type="number" step="0.5" name="weight" value="{{ $item->weight }}" min="0" placeholder="Weight (kg)" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <input type="number" name="rest_seconds" value="{{ $item->rest_seconds }}" min="0" placeholder="Rest (s)" class="rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <input type="text" name="notes" value="{{ $item->notes }}" placeholder="Notes" class="lg:col-span-6 rounded-lg border-gray-300 dark:border-gray-700 bg-white/80 dark:bg-gray-900 text-gray-900 dark:text-gray-100 px-3 py-2" />
+                                                <div class="lg:col-span-6">
+                                                    <button type="submit" class="inline-flex items-center rounded-lg bg-indigo-600 px-3 py-2 text-sm font-semibold text-white hover:bg-indigo-500">Save</button>
+                                                </div>
+                                            </form>
+                                        </details>
+                                    @endif
                                 </li>
                             @endforeach
                         </ul>
@@ -114,6 +136,7 @@
                 </div>
             </div>
             <div class="lg:col-span-5">
+              @if($canManage)
                 <div class="rounded-2xl ring-1 ring-gray-200 dark:ring-gray-700 bg-white dark:bg-gray-800 p-5">
                     <h2 class="text-lg font-semibold text-gray-900 dark:text-white">Add Exercise</h2>
                     <form method="POST" action="{{ route('workouts.exercises.add', $workout) }}" class="mt-4 space-y-4"
@@ -165,6 +188,7 @@
                         </div>
                     </form>
                 </div>
+              @endif
             </div>
         </div>
     </section>
diff --git a/routes/web.php b/routes/web.php
index 01e9161..5dce045 100644
--- a/routes/web.php
+++ b/routes/web.php
@@ -44,11 +44,14 @@ Route::prefix('/exercises')->group(function () {
 Route::middleware('auth')->prefix('/workouts')->group(function () {
     Route::get('/', [\App\Http\Controllers\WorkoutController::class, 'index'])->name('workouts.index');
     Route::get('/builder', [\App\Http\Controllers\WorkoutController::class, 'builder'])->name('workouts.builder');
+    Route::get('/community', [\App\Http\Controllers\WorkoutController::class, 'community'])->name('workouts.community');
 
     Route::get('/create', [\App\Http\Controllers\WorkoutController::class, 'create'])->name('workouts.create');
     Route::post('/', [\App\Http\Controllers\WorkoutController::class, 'store'])->name('workouts.store');
     Route::get('/{workout}', [\App\Http\Controllers\WorkoutController::class, 'show'])->name('workouts.show');
     Route::delete('/{workout}', [\App\Http\Controllers\WorkoutController::class, 'destroy'])->name('workouts.destroy');
+    Route::post('/{workout}/toggle-public', [\App\Http\Controllers\WorkoutController::class, 'togglePublic'])->name('workouts.toggle-public');
+    Route::post('/{workout}/copy', [\App\Http\Controllers\WorkoutController::class, 'copy'])->name('workouts.copy');
 
     // Manage exercises within a workout
     Route::get('/{workout}/exercises/search', [\App\Http\Controllers\WorkoutController::class, 'searchExercises'])->name('workouts.exercises.search');
diff --git a/tests/Feature/WorkoutCommunityTest.php b/tests/Feature/WorkoutCommunityTest.php
new file mode 100644
index 0000000..25b5432
--- /dev/null
+++ b/tests/Feature/WorkoutCommunityTest.php
@@ -0,0 +1,157 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Models\Exercise;
+use App\Models\User;
+use App\Models\Workout;
+use App\Models\WorkoutExercise;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class WorkoutCommunityTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_community_index_only_lists_public_workouts(): void
+    {
+        $user = User::factory()->create();
+        $public = Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Public One']);
+        Workout::factory()->create(['user_id' => $user->id, 'is_public' => false, 'title' => 'Private One']);
+
+        $response = $this->actingAs($user)->get(route('workouts.community'));
+
+        $response->assertOk();
+        $response->assertSee('Public One');
+        $response->assertDontSee('Private One');
+    }
+
+    public function test_community_index_can_search_by_title(): void
+    {
+        $user = User::factory()->create();
+        Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Leg Day Blast']);
+        Workout::factory()->create(['user_id' => $user->id, 'is_public' => true, 'title' => 'Upper Body Push']);
+
+        $response = $this->actingAs($user)->get(route('workouts.community', ['q' => 'Leg']));
+
+        $response->assertOk();
+        $response->assertSee('Leg Day Blast');
+        $response->assertDontSee('Upper Body Push');
+    }
+
+    public function test_owner_can_toggle_a_workout_public(): void
+    {
+        $user = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $user->id, 'is_public' => false]);
+
+        $this->actingAs($user)->post(route('workouts.toggle-public', $workout));
+
+        $this->assertTrue($workout->fresh()->is_public);
+
+        $this->actingAs($user)->post(route('workouts.toggle-public', $workout));
+
+        $this->assertFalse($workout->fresh()->is_public);
+    }
+
+    public function test_other_user_cannot_toggle_someone_elses_workout_public(): void
+    {
+        $owner = User::factory()->create();
+        $other = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);
+
+        $response = $this->actingAs($other)->post(route('workouts.toggle-public', $workout));
+
+        $response->assertForbidden();
+        $this->assertFalse($workout->fresh()->is_public);
+    }
+
+    public function test_any_user_can_view_a_public_workout(): void
+    {
+        $owner = User::factory()->create();
+        $viewer = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => true, 'title' => 'Full Body Blast']);
+
+        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));
+
+        $response->assertOk();
+        $response->assertSee('Full Body Blast');
+    }
+
+    public function test_viewer_of_a_public_workout_cannot_manage_its_exercises(): void
+    {
+        $owner = User::factory()->create();
+        $viewer = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => true]);
+        $exercise = Exercise::factory()->create();
+
+        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));
+        $response->assertOk();
+        $response->assertDontSee('Add Exercise');
+
+        $addResponse = $this->actingAs($viewer)->post(route('workouts.exercises.add', $workout), [
+            'exercise_id' => $exercise->id,
+        ]);
+        $addResponse->assertForbidden();
+    }
+
+    public function test_non_owner_cannot_view_a_private_workout(): void
+    {
+        $owner = User::factory()->create();
+        $viewer = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);
+
+        $response = $this->actingAs($viewer)->get(route('workouts.show', $workout));
+
+        $response->assertForbidden();
+    }
+
+    public function test_user_can_copy_a_public_workout_with_its_exercises(): void
+    {
+        $owner = User::factory()->create();
+        $copier = User::factory()->create();
+        $workout = Workout::factory()->create([
+            'user_id' => $owner->id,
+            'is_public' => true,
+            'title' => 'Original Workout',
+            'estimated_minutes' => 45,
+        ]);
+        WorkoutExercise::factory()->create(['workout_id' => $workout->id, 'sets' => 4, 'reps' => 6]);
+
+        $response = $this->actingAs($copier)->post(route('workouts.copy', $workout));
+
+        $response->assertRedirect();
+        $this->assertDatabaseHas('workouts', [
+            'user_id' => $copier->id,
+            'title' => 'Original Workout (copy)',
+            'estimated_minutes' => 45,
+        ]);
+        $copiedWorkout = Workout::where('user_id', $copier->id)->firstOrFail();
+        $this->assertEquals(1, $copiedWorkout->items()->count());
+        $this->assertEquals(4, $copiedWorkout->items()->first()->sets);
+
+        // The original is untouched
+        $this->assertEquals(1, $workout->fresh()->items()->count());
+    }
+
+    public function test_user_cannot_copy_a_private_workout_they_do_not_own(): void
+    {
+        $owner = User::factory()->create();
+        $other = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);
+
+        $response = $this->actingAs($other)->post(route('workouts.copy', $workout));
+
+        $response->assertForbidden();
+    }
+
+    public function test_owner_can_copy_their_own_private_workout(): void
+    {
+        $owner = User::factory()->create();
+        $workout = Workout::factory()->create(['user_id' => $owner->id, 'is_public' => false]);
+
+        $response = $this->actingAs($owner)->post(route('workouts.copy', $workout));
+
+        $response->assertRedirect();
+        $this->assertEquals(2, Workout::where('user_id', $owner->id)->count());
+    }
+}