diff --git a/src/ui/form-builder.ts b/src/ui/form-builder.ts
index d242126..c20847f 100644
--- a/src/ui/form-builder.ts
+++ b/src/ui/form-builder.ts
@@ -12,6 +12,9 @@ const FIELD_TYPES: FieldType[] = [
   'note-link',
   'folder-picker',
   'rating',
+  'slider',
+  'color',
+  'time',
 ];
 
 /**
@@ -243,7 +246,7 @@ export class FormBuilderModal extends Modal {
       });
 
       // Placeholder (for text, textarea, number, date, note-link, folder-picker)
-      if (['text', 'textarea', 'number', 'date', 'note-link', 'folder-picker'].includes(field.type)) {
+      if (['text', 'textarea', 'number', 'date', 'time', 'note-link', 'folder-picker'].includes(field.type)) {
         this.addTextSetting(
           bodyEl,
           'Placeholder',
@@ -280,6 +283,34 @@ export class FormBuilderModal extends Modal {
           },
         );
       }
+
+      // Min / Max / Step (for slider)
+      if (field.type === 'slider') {
+        this.addTextSetting(
+          bodyEl,
+          'Min',
+          String(field.min ?? 0),
+          (v) => {
+            field.min = v === '' ? undefined : Number(v);
+          },
+        );
+        this.addTextSetting(
+          bodyEl,
+          'Max',
+          String(field.max ?? 100),
+          (v) => {
+            field.max = v === '' ? undefined : Number(v);
+          },
+        );
+        this.addTextSetting(
+          bodyEl,
+          'Step',
+          String(field.step ?? 1),
+          (v) => {
+            field.step = v === '' ? undefined : Number(v);
+          },
+        );
+      }
     }
   }