diff --git a/docraft/include/docraft/craft/docraft_craft_language_parser.h b/docraft/include/docraft/craft/docraft_craft_language_parser.h
index cbdfb2b..08b0771 100644
--- a/docraft/include/docraft/craft/docraft_craft_language_parser.h
+++ b/docraft/include/docraft/craft/docraft_craft_language_parser.h
@@ -49,6 +49,9 @@ namespace docraft::craft {
 
         ~DocraftCraftLanguageParser() = default;
 
+        DocraftCraftLanguageParser(const DocraftCraftLanguageParser&) = delete;
+        DocraftCraftLanguageParser& operator=(const DocraftCraftLanguageParser&) = delete;
+
         /**
          * @brief Parses craft language source (a single root element) as a string.
          * @param craft_language_source XML source as string.
diff --git a/docraft/include/docraft/loom/craft/docraft_loom_tag_handler_registry.h b/docraft/include/docraft/loom/craft/docraft_loom_tag_handler_registry.h
index 186db06..d4f9eaf 100644
--- a/docraft/include/docraft/loom/craft/docraft_loom_tag_handler_registry.h
+++ b/docraft/include/docraft/loom/craft/docraft_loom_tag_handler_registry.h
@@ -37,6 +37,9 @@ namespace docraft::loom::craft {
     public:
         static DocraftLoomTagHandlerRegistry& instance();
 
+        DocraftLoomTagHandlerRegistry(const DocraftLoomTagHandlerRegistry&) = delete;
+        DocraftLoomTagHandlerRegistry& operator=(const DocraftLoomTagHandlerRegistry&) = delete;
+
         void register_handler(const std::string& tag, std::unique_ptr<IDocraftLoomTagHandler> handler);
 
         /**
diff --git a/docraft/include/docraft/loom/docraft_loom_pdf_creator.h b/docraft/include/docraft/loom/docraft_loom_pdf_creator.h
index 50ca666..dbd6fff 100644
--- a/docraft/include/docraft/loom/docraft_loom_pdf_creator.h
+++ b/docraft/include/docraft/loom/docraft_loom_pdf_creator.h
@@ -24,7 +24,7 @@ namespace docraft::loom {
      * and re-visited by the rendering pass for each physical page. The body is laid out
      * as one continuous flow and then split across pages by DocraftLoomPaginationProcessor.
      */
-    class DocraftLoomPdfCreator
+    class DOCRAFT_LIB DocraftLoomPdfCreator
     {
     public:
         /**
diff --git a/docraft/include/docraft/tools/docraft_validator.h b/docraft/include/docraft/tools/docraft_validator.h
index a938ab9..5621aec 100644
--- a/docraft/include/docraft/tools/docraft_validator.h
+++ b/docraft/include/docraft/tools/docraft_validator.h
@@ -45,7 +45,7 @@ namespace docraft::tools {
      * @brief Aggregated result of DocraftValidator::validate(): every diagnostic found,
      * in the order they were discovered.
      */
-    struct DocraftValidationResult
+    struct DOCRAFT_LIB DocraftValidationResult
     {
         std::vector<DocraftValidationIssue> issues;
 
diff --git a/docraft/src/docraft/backend/pdf/docraft_haru_line_backend.cc b/docraft/src/docraft/backend/pdf/docraft_haru_line_backend.cc
index ddc528d..238b59c 100644
--- a/docraft/src/docraft/backend/pdf/docraft_haru_line_backend.cc
+++ b/docraft/src/docraft/backend/pdf/docraft_haru_line_backend.cc
@@ -33,6 +33,15 @@ namespace docraft::backend::pdf {
         template <typename PageT, typename ElemT, typename NumT, typename PhaseT>
         ElemT dash_pattern_element_type(HPDF_STATUS (*)(PageT, const ElemT*, NumT, PhaseT));
 
+#if defined(_MSC_VER) && defined(_M_IX86)
+        // On 32-bit MSVC, HPDF_EXPORT declares libharu's API __stdcall, a distinct
+        // function pointer type from the implicit __cdecl overload above (they only
+        // coincide on x64) -- without this overload, deducing against
+        // &HPDF_Page_SetDash fails to compile on x86.
+        template <typename PageT, typename ElemT, typename NumT, typename PhaseT>
+        ElemT dash_pattern_element_type(HPDF_STATUS(__stdcall*)(PageT, const ElemT*, NumT, PhaseT));
+#endif
+
         using DashPatternElement = decltype(dash_pattern_element_type(&HPDF_Page_SetDash));
 
         void invoke_set_dash(HPDF_Page page, const std::vector<float>& pattern) {
diff --git a/docraft/src/docraft/loom/nodes/docraft_loom_node.cc b/docraft/src/docraft/loom/nodes/docraft_loom_node.cc
index 0343899..a4b4088 100644
--- a/docraft/src/docraft/loom/nodes/docraft_loom_node.cc
+++ b/docraft/src/docraft/loom/nodes/docraft_loom_node.cc
@@ -87,7 +87,7 @@ namespace docraft::loom::nodes {
 
     std::vector<int> DocraftLoomNode::paint_order_indices() const {
         std::vector<int> indices(children_.size());
-        std::ranges::iota(indices, 0);
+        std::iota(indices.begin(), indices.end(), 0);
         std::ranges::stable_sort(indices, [this](int a, int b) {
             return children_[static_cast<std::size_t>(a)]->z_index()
                    < children_[static_cast<std::size_t>(b)]->z_index();