diff --git a/app/Event.php b/app/Event.php
index 5d419ec5c..5d42b3c4a 100644
--- a/app/Event.php
+++ b/app/Event.php
@@ -79,7 +79,9 @@ class Event extends Model
         'is_extracurricular_event',
         'is_standard_school_curriculum',
         'is_use_resource',
-        'ages'
+        'ages',
+        'source_ref',
+        'source_synced_at'
     ];
 
     public const ACTIVITY_FORMATS = [
@@ -175,6 +177,14 @@ protected function casts(): array
             'is_standard_school_curriculum' => 'boolean',
             'ages' => 'array',
             'is_use_resource' => 'boolean',
+
+            'start_date'                     => 'datetime',
+            'end_date'                       => 'datetime',
+            'pub_date'                       => 'datetime',
+            'reported_at'                    => 'datetime',
+            'certificate_generated_at'       => 'datetime',
+            'last_report_notification_sent_at' => 'datetime',
+            'source_synced_at'               => 'datetime',
         ];
     }
 
diff --git a/app/Nova/Audience.php b/app/Nova/Audience.php
new file mode 100644
index 000000000..2f0fe4d1f
--- /dev/null
+++ b/app/Nova/Audience.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace App\Nova;
+
+use Illuminate\Http\Request;
+use Laravel\Nova\Fields\ID;
+use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Resource;
+
+class Audience extends Resource
+{
+    public static $model = \App\Audience::class;
+    public static $title = 'name';
+    public static $search = ['id', 'name'];
+
+    public function fields(Request $request): array
+    {
+        return [
+            ID::make()->sortable(),
+            Text::make('Name')->sortable()->rules('required', 'max:255'),
+        ];
+    }
+}
diff --git a/app/Nova/Event.php b/app/Nova/Event.php
index bd86ef329..392eb0675 100644
--- a/app/Nova/Event.php
+++ b/app/Nova/Event.php
@@ -3,10 +3,20 @@
 namespace App\Nova;
 
 use Illuminate\Http\Request;
+use Laravel\Nova\Fields\Boolean;
+use Laravel\Nova\Fields\BelongsTo;
+use Laravel\Nova\Fields\BelongsToMany;
 use Laravel\Nova\Fields\Country;
+use Laravel\Nova\Fields\DateTime;
+use Laravel\Nova\Fields\ID;
+use Laravel\Nova\Fields\MultiSelect;
+use Laravel\Nova\Fields\Number;
 use Laravel\Nova\Fields\Select;
 use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Fields\URL;
 use Laravel\Nova\Http\Requests\NovaRequest;
+use Illuminate\Support\Arr;
+use Laravel\Nova\Fields\Trix;
 
 class Event extends Resource
 {
@@ -31,7 +41,7 @@ class Event extends Resource
      * @var array
      */
     public static $search = [
-        'id', 'title',
+        'id', 'title', 'geoposition'
     ];
 
     /**
@@ -39,36 +49,186 @@ class Event extends Resource
      */
     public function fields(Request $request): array
     {
-        return [
+        try {
+            return [
+                ID::make()->sortable(),
 
-            Text::make('Title')->sortable(),
-            Text::make('Certificate', function () {
-                $certificate_url = $this->certificate_url;
+                // Core
+                Text::make('Title')->sortable()->rules('required', 'max:255'),
+                Text::make('Slug')->hideFromIndex()->rules('nullable', 'max:255'),
 
-                return "<a target='_blank' href='{$certificate_url}'>{$certificate_url}</a>";
-            })->asHtml()->onlyOnDetail(),
-            Text::make('Web Link', function () {
-                $slug = $this->slug;
-                $id = $this->id;
-                $url = config('codeweek.app_url');
+                Country::make('Country', 'country_iso')->sortable()->rules('required', 'size:2'),
 
-                return "<a target='_blank' href='{$url}/view/{$id}/{$slug}'>View Activity's Page</a>";
-            })->asHtml()->onlyOnDetail(),
-            Text::make('Description')->onlyOnDetail(),
-            Text::make('Organizer')->onlyOnDetail(),
-            Text::make('codeweek_for_all_participation_code')->sortable()->onlyOnDetail(),
+                Select::make('Status')
+                    ->options([
+                        'APPROVED' => 'Approved',
+                        'REJECTED' => 'Rejected',
+                        'PENDING'  => 'Pending',
+                    ])->displayUsingLabels()->sortable()->rules('required'),
 
-            Country::make('Country', 'country_iso')->sortable(),
+                Text::make('Organizer')->hideFromIndex()->rules('nullable', 'max:255'),
+                Text::make('Location')->hideFromIndex()->rules('nullable', 'max:255'),
 
-            Select::make('Status')->options([
-                'APPROVED' => 'Approved',
-                'REJECTED' => 'Rejected',
-                'PENDING' => 'Pending',
-            ]),
+                // Geo
+                Text::make('Geoposition')->hideFromIndex()->rules('nullable', 'max:255'),
+                Number::make('Latitude')->step('any')->hideFromIndex()->rules('nullable', 'numeric'),
+                Number::make('Longitude')->step('any')->hideFromIndex()->rules('nullable', 'numeric'),
 
-            Text::make('Creator', 'owner.email'),
+                // Dates
+                DateTime::make('Start Date', 'start_date')->sortable()->rules('nullable', 'date'),
+                DateTime::make('End Date', 'end_date')->sortable()->rules('nullable', 'date'),
+                DateTime::make('Publication Date', 'pub_date')->onlyOnDetail()->rules('nullable', 'date'),
+                DateTime::make('Reported At', 'reported_at')->onlyOnDetail()->rules('nullable', 'date'),
+                DateTime::make('Certificate Generated At', 'certificate_generated_at')->onlyOnDetail()->rules('nullable', 'date'),
+                DateTime::make('Last Report Notification Sent At', 'last_report_notification_sent_at')->onlyOnDetail()->rules('nullable', 'date'),
+                DateTime::make('Source Synced At', 'source_synced_at')->onlyOnDetail()->rules('nullable', 'date'),
 
-        ];
+                // Contacts & Links
+                URL::make('Event URL', 'event_url')->displayUsing(fn ($v) => $v)->hideFromIndex()->rules('nullable', 'url'),
+                Text::make('Contact Person')->hideFromIndex()->rules('nullable', 'max:255'),
+                Text::make('User Email', 'user_email')->hideFromIndex()->rules('nullable', 'email', 'max:255'),
+
+                // Media
+                URL::make('Picture')->displayUsing(fn ($v) => $v)->hideFromIndex()->rules('nullable', 'url'),
+                URL::make('Picture Detail', 'picture_detail')->displayUsing(fn ($v) => $v)->hideFromIndex()->rules('nullable', 'url'),
+                URL::make('Certificate URL', 'certificate_url')->displayUsing(fn ($v) => $v)->onlyOnDetail()->rules('nullable', 'url'),
+
+                // Descriptions
+                Trix::make('Description')->hideFromIndex(),
+                Text::make('Web Link', function () {
+                    $slug = $this->slug;
+                    $id   = $this->id;
+                    $url  = config('codeweek.app_url');
+
+                    return "<a target='_blank' href='{$url}/view/{$id}/{$slug}'>View Activity's Page</a>";
+                })->asHtml()->onlyOnDetail(),
+                Text::make('Certificate', function () {
+                    $certificate_url = $this->certificate_url;
+                    return $certificate_url
+                        ? "<a target='_blank' href='{$certificate_url}'>{$certificate_url}</a>"
+                        : '-';
+                })->asHtml()->onlyOnDetail(),
+
+                // Classification
+                Text::make('Activity Type', 'activity_type')->hideFromIndex()->rules('nullable', 'max:255'),
+                Text::make('Organizer Type', 'organizer_type')->hideFromIndex()->rules('nullable', 'max:255'),
+
+                MultiSelect::make('Activity Format', 'activity_format')
+                    ->options(array_combine(\App\Event::ACTIVITY_FORMATS, \App\Event::ACTIVITY_FORMATS))
+                    ->nullable()
+                    ->rules(function () {
+                        return [
+                            function ($attribute, $value, $fail) {
+                                if ($value === null || $value === '' || $value === [] || $value === '[]') {
+                                    return;
+                                }
+                                if (!is_array($value)) {
+                                    $decoded = json_decode((string) $value, true);
+                                    if (json_last_error() !== JSON_ERROR_NONE || !is_array($decoded)) {
+                                        $fail(__('validation.array', ['attribute' => $attribute]));
+                                    }
+                                }
+                            },
+                        ];
+                    })
+                    ->fillUsing(function ($request, $model, $attribute, $requestAttribute) {
+                        try {
+                            $raw = $request->input($requestAttribute);
+                            $decoded = is_array($raw) ? $raw : (is_string($raw) ? json_decode($raw, true) : null);
+                            $model->{$attribute} = is_array($decoded) ? array_values($decoded) : [];
+                        } catch (\Throwable $e) {
+                            $model->{$attribute} = [];
+                        }
+                    })
+                    ->hideFromIndex(),
+
+                Select::make('Duration')->options(
+                    array_combine(\App\Event::DURATIONS, \App\Event::DURATIONS)
+                )->displayUsingLabels()->hideFromIndex()->rules('nullable', 'in:'.implode(',', \App\Event::DURATIONS)),
+
+                Select::make('Recurring Type', 'recurring_type')->options(
+                    array_combine(\App\Event::RECURRING_TYPES, \App\Event::RECURRING_TYPES)
+                )->displayUsingLabels()->hideFromIndex()->rules('nullable', 'in:'.implode(',', \App\Event::RECURRING_TYPES)),
+
+                Select::make('Recurring Event', 'recurring_event')->options(
+                    array_combine(\App\Event::RECURRING_EVENTS, \App\Event::RECURRING_EVENTS)
+                )->displayUsingLabels()->hideFromIndex()->rules('nullable', 'in:'.implode(',', \App\Event::RECURRING_EVENTS)),
+
+                MultiSelect::make('Ages', 'ages')
+                    ->options(array_combine(\App\Event::AGES, \App\Event::AGES))
+                    ->nullable()
+                    ->rules(function () {
+                        return [
+                            function ($attribute, $value, $fail) {
+                                if ($value === null || $value === '' || $value === [] || $value === '[]') {
+                                    return;
+                                }
+                                if (!is_array($value)) {
+                                    $decoded = json_decode((string) $value, true);
+                                    if (json_last_error() !== JSON_ERROR_NONE || !is_array($decoded)) {
+                                        $fail(__('validation.array', ['attribute' => $attribute]));
+                                    }
+                                }
+                            },
+                        ];
+                    })
+                    ->fillUsing(function ($request, $model, $attribute, $requestAttribute) {
+                        try {
+                            $raw = $request->input($requestAttribute);
+                            $decoded = is_array($raw) ? $raw : (is_string($raw) ? json_decode($raw, true) : null);
+                            $model->{$attribute} = is_array($decoded) ? array_values($decoded) : [];
+                        } catch (\Throwable $e) {
+                            $model->{$attribute} = [];
+                        }
+                    })
+                    ->hideFromIndex(),
+
+                // Flags
+                Boolean::make('Is Extracurricular Event', 'is_extracurricular_event')->hideFromIndex(),
+                Boolean::make('Is Standard School Curriculum', 'is_standard_school_curriculum')->hideFromIndex(),
+                Boolean::make('Is Using Resource', 'is_use_resource')->hideFromIndex(),
+
+                // Numbers / Stats
+                Number::make('Participants Count', 'participants_count')->step(1)->min(0)->hideFromIndex()->rules('nullable', 'integer', 'min:0'),
+                Number::make('Average Participant Age', 'average_participant_age')->step('any')->hideFromIndex()->rules('nullable', 'numeric', 'min:0'),
+                Number::make('Percentage of Females', 'percentage_of_females')->step('any')->hideFromIndex()->rules('nullable', 'numeric', 'min:0', 'max:100'),
+                Number::make('Males Count', 'males_count')->step(1)->min(0)->hideFromIndex()->rules('nullable', 'integer', 'min:0'),
+                Number::make('Females Count', 'females_count')->step(1)->min(0)->hideFromIndex()->rules('nullable', 'integer', 'min:0'),
+                Number::make('Other Count', 'other_count')->step(1)->min(0)->hideFromIndex()->rules('nullable', 'integer', 'min:0'),
+
+                // Codes / Misc
+                Text::make('Codeweek For All Participation Code', 'codeweek_for_all_participation_code')
+                    ->onlyOnForms()->rules('nullable', 'max:255'),
+                Text::make('Name For Certificate', 'name_for_certificate')->onlyOnForms()->rules('nullable', 'max:255'),
+                Text::make('Language')->help('Comma-separated language codes (e.g., en,fr,de)')
+                    ->onlyOnForms()->rules('nullable', 'max:255'),
+                Text::make('Source Ref', 'source_ref')->hideFromIndex()->rules('nullable', 'max:255'),
+
+                // Relations
+                BelongsTo::make('Owner', 'owner', \App\Nova\User::class)->searchable()->nullable(),
+                BelongsTo::make('Country Model', 'country', \App\Nova\Country::class)->onlyOnDetail(),
+
+                BelongsToMany::make('Audiences'),
+                BelongsToMany::make('Themes'),
+                BelongsToMany::make('Tags')->fields(function () {
+                    return [];
+                }),
+
+                // Creator email shortcut for index
+                Text::make('Creator', 'owner.email')->onlyOnIndex(),
+
+            ];
+        } catch (\Throwable $e) {
+            return [
+                Text::make('Title')->sortable(),
+                Country::make('Country', 'country_iso')->sortable(),
+                Select::make('Status')->options([
+                    'APPROVED' => 'Approved',
+                    'REJECTED' => 'Rejected',
+                    'PENDING'  => 'Pending',
+                ]),
+            ];
+        }
     }
 
     /**
diff --git a/app/Nova/Tag.php b/app/Nova/Tag.php
new file mode 100644
index 000000000..485e39bcb
--- /dev/null
+++ b/app/Nova/Tag.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Nova;
+
+use Illuminate\Http\Request;
+use Laravel\Nova\Fields\ID;
+use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Resource;
+
+class Tag extends Resource
+{
+    public static $model = \App\Tag::class;
+    public static $title = 'name';
+    public static $search = ['id', 'name', 'slug'];
+
+    public function fields(Request $request): array
+    {
+        return [
+            ID::make()->sortable(),
+            Text::make('Name')->sortable()->rules('required', 'max:255'),
+            Text::make('Slug')->sortable()->rules('required', 'max:255'),
+        ];
+    }
+}
diff --git a/app/Nova/Theme.php b/app/Nova/Theme.php
new file mode 100644
index 000000000..75699f5ae
--- /dev/null
+++ b/app/Nova/Theme.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Nova;
+
+use Illuminate\Http\Request;
+use Laravel\Nova\Fields\ID;
+use Laravel\Nova\Fields\Text;
+use Laravel\Nova\Resource;
+
+class Theme extends Resource
+{
+    public static $model = \App\Theme::class;
+    public static $title = 'name';
+    public static $search = ['id', 'name'];
+
+    public function fields(Request $request): array
+    {
+        return [
+            ID::make()->sortable(),
+            Text::make('Name')->sortable()->rules('required', 'max:255'),
+            Text::make('Order')->sortable()->rules('nullable', 'integer'),
+        ];
+    }
+}