diff --git a/src/app/[locale]/admin/clubs/[club_id]/slot-definitions/SlotDefinitionForm.tsx b/src/app/[locale]/admin/clubs/[club_id]/slot-definitions/SlotDefinitionForm.tsx
index 74de7bc..68ffdcb 100644
--- a/src/app/[locale]/admin/clubs/[club_id]/slot-definitions/SlotDefinitionForm.tsx
+++ b/src/app/[locale]/admin/clubs/[club_id]/slot-definitions/SlotDefinitionForm.tsx
@@ -240,7 +240,7 @@ export default function SlotDefinitionForm({
                 value={durationMinutes}
                 onChange={(e) => setDurationMinutes(parseInt(e.target.value) || 0)}
                 min="1"
-                step="15"
+                step="1"
                 className={`w-full px-4 py-3 border-2 rounded-lg font-medium transition-colors ${
                   errors.duration_minutes
                     ? 'border-red-300 focus:border-red-500'
diff --git a/src/app/[locale]/admin/clubs/[club_id]/tabs/ClubCourtsTab.tsx b/src/app/[locale]/admin/clubs/[club_id]/tabs/ClubCourtsTab.tsx
index 4c4ce91..23198c4 100644
--- a/src/app/[locale]/admin/clubs/[club_id]/tabs/ClubCourtsTab.tsx
+++ b/src/app/[locale]/admin/clubs/[club_id]/tabs/ClubCourtsTab.tsx
@@ -164,9 +164,16 @@ export default function ClubCourtsTab({ clubId }: ClubCourtsTabProps) {
                   <h3 className="text-xl font-bold text-slate-900 mb-2">
                     {court.name}
                   </h3>
-                  <p className="text-sm text-slate-600">
-                    ID: {court.court_id} · Created {formatTimestamp(court.created_at)}
-                  </p>
+                  <div className="space-y-1">
+                    {court.sport_variation && (
+                      <p className="text-sm font-medium text-slate-700">
+                        {court.sport_variation.sport.name} - {court.sport_variation.name}
+                      </p>
+                    )}
+                    <p className="text-sm text-slate-600">
+                      ID: {court.court_id} · Created {formatTimestamp(court.created_at)}
+                    </p>
+                  </div>
                 </div>
 
                 <div className="flex items-center space-x-2">
@@ -245,7 +252,10 @@ interface CourtFormModalProps {
 function CourtFormModal({ clubId, court, onClose, onSuccess }: CourtFormModalProps) {
   const isEditing = !!court;
   const [name, setName] = useState(court?.name || '');
-  const [sportVariationId, setSportVariationId] = useState<number>(court?.sport_variation_id || 0);
+  // Get sport_variation_id from nested structure or fall back to deprecated flat field
+  const [sportVariationId, setSportVariationId] = useState<number>(
+    court?.sport_variation?.sport_variation_id || court?.sport_variation_id || 0
+  );
   const [sports, setSports] = useState<Sport[]>([]);
   const [loadingSports, setLoadingSports] = useState(true);
   const [saving, setSaving] = useState(false);
diff --git a/src/types/courts.ts b/src/types/courts.ts
index 70dda64..ae7c9e9 100644
--- a/src/types/courts.ts
+++ b/src/types/courts.ts
@@ -7,7 +7,17 @@
 export interface Court {
   court_id: number;
   name: string;
-  sport_variation_id: number;
+  sport_variation_id?: number; // For backward compatibility (deprecated)
+  sport_variation?: {
+    sport_variation_id: number;
+    name: string;
+    slug: string;
+    sport: {
+      sport_id: number;
+      name: string;
+      slug: string;
+    };
+  };
   created_at: string; // ISO 8601 timestamp
   updated_at: string; // ISO 8601 timestamp
 }