Fixes

main/WidgetManager.cpp

@@ -311,11 +311,13 @@ void WidgetManager::showModalScreen(const ScreenConfig& screen) {
     lv_obj_t* dimmer = nullptr;
     if (screen.modalDimBackground) {
         dimmer = lv_obj_create(lv_layer_top());
-        lv_obj_remove_style_all(dimmer);
-        lv_obj_set_size(dimmer, dispWidth, dispHeight);
-        lv_obj_set_style_bg_color(dimmer, lv_color_black(), 0);
-        lv_obj_set_style_bg_opa(dimmer, LV_OPA_50, 0);
-        lv_obj_clear_flag(dimmer, LV_OBJ_FLAG_SCROLLABLE);
+        if (dimmer) {
+            lv_obj_remove_style_all(dimmer);
+            lv_obj_set_size(dimmer, dispWidth, dispHeight);
+            lv_obj_set_style_bg_color(dimmer, lv_color_black(), 0);
+            lv_obj_set_style_bg_opa(dimmer, LV_OPA_50, 0);
+            lv_obj_clear_flag(dimmer, LV_OBJ_FLAG_SCROLLABLE);
+        }
     }
 
     // Create modal container
@@ -611,10 +613,11 @@ void WidgetManager::onUserActivity() {
 }
 
 void WidgetManager::destroyAllWidgets() {
-    ESP_LOGI(TAG, "destroyAllWidgets: Start");
-    for (size_t i = 0; i < widgets_.size(); i++) {
+    ESP_LOGI(TAG, "destroyAllWidgets: Start (%d widgets)", widgets_.size());
+    // Destroy in reverse order (last created first)
+    for (int i = static_cast<int>(widgets_.size()) - 1; i >= 0; i--) {
         if (widgets_[i]) {
-            // ESP_LOGI(TAG, "Destroying widget %d", i);
+            ESP_LOGD(TAG, "Destroying widget %d", i);
             widgets_[i].reset();
         }
     }

main/widgets/ButtonWidget.cpp

@@ -94,6 +94,9 @@ lv_obj_t* ButtonWidget::create(lv_obj_t* parent) {
     if (hasIcon) {
         // Create container for flex layout
         contentContainer_ = lv_obj_create(obj_);
+        if (contentContainer_ == nullptr) {
+            return obj_;  // Continue without icon container
+        }
         lv_obj_remove_style_all(contentContainer_);
         lv_obj_set_size(contentContainer_, LV_SIZE_CONTENT, LV_SIZE_CONTENT);
         lv_obj_center(contentContainer_);

main/widgets/IconWidget.cpp

@@ -41,6 +41,10 @@ int IconWidget::encodeUtf8(uint32_t codepoint, char* buf) {
 lv_obj_t* IconWidget::create(lv_obj_t* parent) {
     // Create container for the icon
     obj_ = lv_obj_create(parent);
+    if (obj_ == nullptr) {
+        ESP_LOGE(TAG, "Failed to create icon widget object");
+        return nullptr;
+    }
     lv_obj_remove_style_all(obj_);
     lv_obj_set_pos(obj_, config_.x, config_.y);
     lv_obj_set_size(obj_, config_.width > 0 ? config_.width : 48,

main/widgets/LabelWidget.cpp

@@ -57,10 +57,14 @@ void LabelWidget::setupFlexLayout() {
 
 lv_obj_t* LabelWidget::create(lv_obj_t* parent) {
     bool hasIcon = config_.iconCodepoint > 0 && Fonts::hasIconFont();
+    bool needsContainer = hasIcon || config_.bgOpacity > 0 || config_.borderRadius > 0;
 
-    if (hasIcon) {
-        // Create container object for flex layout
+    if (needsContainer) {
+        // Create container object for background/radius/flex layout
         obj_ = lv_obj_create(parent);
+        if (obj_ == nullptr) {
+            return nullptr;
+        }
         lv_obj_remove_style_all(obj_);
         lv_obj_set_pos(obj_, config_.x, config_.y);
         if (config_.width > 0 && config_.height > 0) {
@@ -71,30 +75,37 @@ lv_obj_t* LabelWidget::create(lv_obj_t* parent) {
 
         container_ = obj_;
 
-        // Create elements in correct order based on icon position
-        bool iconFirst = (config_.iconPosition == static_cast<uint8_t>(IconPosition::LEFT) ||
-                          config_.iconPosition == static_cast<uint8_t>(IconPosition::TOP));
+        if (hasIcon) {
+            // Create elements in correct order based on icon position
+            bool iconFirst = (config_.iconPosition == static_cast<uint8_t>(IconPosition::LEFT) ||
+                              config_.iconPosition == static_cast<uint8_t>(IconPosition::TOP));
 
-        if (iconFirst) {
-            iconLabel_ = lv_label_create(container_);
-            char iconText[5];
-            encodeUtf8(config_.iconCodepoint, iconText);
-            lv_label_set_text(iconLabel_, iconText);
+            if (iconFirst) {
+                iconLabel_ = lv_label_create(container_);
+                char iconText[5];
+                encodeUtf8(config_.iconCodepoint, iconText);
+                lv_label_set_text(iconLabel_, iconText);
+            }
+
+            textLabel_ = lv_label_create(container_);
+            lv_label_set_text(textLabel_, config_.text);
+
+            if (!iconFirst) {
+                iconLabel_ = lv_label_create(container_);
+                char iconText[5];
+                encodeUtf8(config_.iconCodepoint, iconText);
+                lv_label_set_text(iconLabel_, iconText);
+            }
+
+            setupFlexLayout();
+        } else {
+            // Container with just text label (for bg/radius)
+            textLabel_ = lv_label_create(container_);
+            lv_label_set_text(textLabel_, config_.text);
+            lv_obj_center(textLabel_);
         }
-
-        textLabel_ = lv_label_create(container_);
-        lv_label_set_text(textLabel_, config_.text);
-
-        if (!iconFirst) {
-            iconLabel_ = lv_label_create(container_);
-            char iconText[5];
-            encodeUtf8(config_.iconCodepoint, iconText);
-            lv_label_set_text(iconLabel_, iconText);
-        }
-
-        setupFlexLayout();
     } else {
-        // Simple label without icon
+        // Simple label without container
         obj_ = lv_label_create(parent);
         textLabel_ = obj_;
         lv_label_set_text(obj_, config_.text);
@@ -110,11 +121,16 @@ lv_obj_t* LabelWidget::create(lv_obj_t* parent) {
 void LabelWidget::applyStyle() {
     if (obj_ == nullptr) return;
 
-    // Apply background if container
-    if (container_ != nullptr && config_.bgOpacity > 0) {
-        lv_obj_set_style_bg_color(obj_, lv_color_make(
-            config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
-        lv_obj_set_style_bg_opa(obj_, config_.bgOpacity, 0);
+    // Apply background and border radius if container exists
+    if (container_ != nullptr) {
+        if (config_.bgOpacity > 0) {
+            lv_obj_set_style_bg_color(obj_, lv_color_make(
+                config_.bgColor.r, config_.bgColor.g, config_.bgColor.b), 0);
+            lv_obj_set_style_bg_opa(obj_, config_.bgOpacity, 0);
+        }
+        if (config_.borderRadius > 0) {
+            lv_obj_set_style_radius(obj_, config_.borderRadius, 0);
+        }
     }
 
     // Apply text style

main/widgets/Widget.cpp

@@ -13,7 +13,9 @@ Widget::~Widget() {
 
 void Widget::destroy() {
     if (obj_ != nullptr) {
-        lv_obj_delete(obj_);
+        if (lv_obj_is_valid(obj_)) {
+            lv_obj_delete(obj_);
+        }
         obj_ = nullptr;
     }
 }
@@ -62,7 +64,7 @@ void Widget::applyCommonStyle() {
 }
 
 void Widget::applyShadowStyle() {
-    return;
+   
     if (obj_ == nullptr || !config_.shadow.enabled) return;
  
     lv_obj_set_style_shadow_color(obj_, lv_color_make(