diff --git a/cockatrice/src/game/zones/select_zone.cpp b/cockatrice/src/game/zones/select_zone.cpp
index 5291ea138..fd733e01f 100644
--- a/cockatrice/src/game/zones/select_zone.cpp
+++ b/cockatrice/src/game/zones/select_zone.cpp
@@ -8,14 +8,11 @@
 #include <QGraphicsSceneMouseEvent>
 #include <QtMath>
 
-namespace
-{
-qreal stackingOffset(qreal cardHeight)
+static qreal stackingOffset(qreal cardHeight)
 {
     const qreal overlapPercent = SettingsCache::instance().getStackCardOverlapPercent();
     return cardHeight * (100.0 - overlapPercent) / 100.0;
 }
-} // namespace
 
 SelectZone::ZoneLayout SelectZone::computeZoneLayout(const StackLayoutParams &params)
 {
@@ -56,13 +53,16 @@ SelectZone::ZoneLayout SelectZone::computeZoneLayout(const StackLayoutParams &pa
 SelectZone *SelectZone::findOwningSelectZone(const QGraphicsItem *card)
 {
     QGraphicsItem *parent = card ? card->parentItem() : nullptr;
-    if (!parent)
+    if (!parent) {
         return nullptr;
+    }
     // Card may be direct child of zone (escaped for hover) or child of clip container.
-    if (auto *zone = dynamic_cast<SelectZone *>(parent))
+    if (auto *zone = dynamic_cast<SelectZone *>(parent)) {
         return zone;
-    if (auto *zone = dynamic_cast<SelectZone *>(parent->parentItem()))
+    }
+    if (auto *zone = dynamic_cast<SelectZone *>(parent->parentItem())) {
         return zone;
+    }
     return nullptr;
 }
 
diff --git a/cockatrice/src/game/zones/select_zone.h b/cockatrice/src/game/zones/select_zone.h
index 9f9d9cb6b..1da5c1988 100644
--- a/cockatrice/src/game/zones/select_zone.h
+++ b/cockatrice/src/game/zones/select_zone.h
@@ -50,11 +50,11 @@ protected:
     /// Parameters describing a vertical card stack's geometry.
     struct StackLayoutParams
     {
-        int cardCount;
-        qreal totalHeight;
-        qreal cardHeight;
-        qreal desiredOffset;
-        qreal minOffset = 0.0;
+        int cardCount;         ///< Number of cards in the stack
+        qreal totalHeight;     ///< Available height for the stack (zone height)
+        qreal cardHeight;      ///< Height of a single card
+        qreal desiredOffset;   ///< Preferred vertical offset between card tops
+        qreal minOffset = 0.0; ///< Minimum offset to preserve (0 allows full compression)
         /// When false (default), reserves full cardHeight for the bottom card, ensuring
         /// all cards remain within zone bounds. When true, allows the bottom card to
         /// partially overflow using sqrt-scaled allowance. Use with setupClipContainer()