diff --git a/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_Administration.cs b/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_Administration.cs
index 1f7a263..f668d5d 100644
--- a/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_Administration.cs
+++ b/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_Administration.cs
@@ -4104,7 +4104,7 @@ public class ListFormSeeder_Administration : IDataSeedContributor, ITransientDep
                     ColumnCustomizationJson = DefaultColumnCustomizationJson,
                     PermissionJson = DefaultFieldPermissionJson(listForm.Name),
                     PivotSettingsJson = DefaultPivotSettingsJson,
-                    EditorOptions = EncodeHtmlJson
+                    EditorOptions = EncodeHtmlJson(false)
                 },
                 new() {
                     ListFormCode = listForm.ListFormCode,
diff --git a/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_DefaultJsons.cs b/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_DefaultJsons.cs
index e353237..74176e0 100644
--- a/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_DefaultJsons.cs
+++ b/api/src/Sozsoft.Platform.DbMigrator/Seeds/ListFormSeeder_DefaultJsons.cs
@@ -49,7 +49,7 @@ public static class ListFormSeeder_DefaultJsons
         });
 
     public static readonly string DefaultFilterJson = "\"IsDeleted\" = 'false'";
-    public static readonly string EncodeHtmlJson = "{ \"encodeHtml\" = false }";
+    public static string EncodeHtmlJson(bool value) => JsonSerializer.Serialize(new { encodeHtml = value });
     public static string DefaultFilterRowJson(bool visible = true) => JsonSerializer.Serialize(new GridFilterRowDto { Visible = visible });
     public static string DefaultHeaderFilterJson(bool visible = true) => JsonSerializer.Serialize(new { Visible = visible });
     public static string DefaultSearchPanelJson(bool visible = true) => JsonSerializer.Serialize(new { Visible = visible });
diff --git a/ui/src/assets/styles/tailwind/index.css b/ui/src/assets/styles/tailwind/index.css
index f7c9e8e..1706cd1 100644
--- a/ui/src/assets/styles/tailwind/index.css
+++ b/ui/src/assets/styles/tailwind/index.css
@@ -3,6 +3,71 @@
 @tailwind utilities;
 
 @layer base {
+  :root,
+  .light {
+    --app-scrollbar-size: 8px;
+    --app-scrollbar-thumb: #9ca3af;
+    --app-scrollbar-thumb-hover: #6b7280;
+    --app-scrollbar-track: transparent;
+  }
+
+  .dark {
+    --app-scrollbar-thumb: #4b5563;
+    --app-scrollbar-thumb-hover: #6b7280;
+  }
+
+  * {
+    scrollbar-color: var(--app-scrollbar-thumb) var(--app-scrollbar-track);
+    scrollbar-width: thin;
+  }
+
+  *::-webkit-scrollbar {
+    width: var(--app-scrollbar-size);
+    height: var(--app-scrollbar-size);
+  }
+
+  *::-webkit-scrollbar-track {
+    background: var(--app-scrollbar-track);
+  }
+
+  *::-webkit-scrollbar-thumb {
+    min-height: 40px;
+    border: 2px solid transparent;
+    border-radius: 999px;
+    background-color: var(--app-scrollbar-thumb);
+    background-clip: content-box;
+  }
+
+  *::-webkit-scrollbar-thumb:hover {
+    background-color: var(--app-scrollbar-thumb-hover);
+  }
+
+  *::-webkit-scrollbar-corner {
+    background: transparent;
+  }
+
+  .dx-scrollable-scrollbar.dx-scrollbar-vertical,
+  .dx-scrollable-scrollbar.dx-scrollbar-vertical .dx-scrollable-scroll {
+    width: var(--app-scrollbar-size) !important;
+  }
+
+  .dx-scrollable-scrollbar.dx-scrollbar-horizontal,
+  .dx-scrollable-scrollbar.dx-scrollbar-horizontal .dx-scrollable-scroll {
+    height: var(--app-scrollbar-size) !important;
+  }
+
+  .dx-scrollable-scroll {
+    border-radius: 999px !important;
+    background-color: var(--app-scrollbar-thumb) !important;
+  }
+
+  .dx-scrollable-scroll:hover,
+  .dx-scrollable-scrollbar.dx-state-hover .dx-scrollable-scroll,
+  .dx-scrollable-scrollbar.dx-scrollbar-hoverable.dx-scrollable-scrollbar-active
+    .dx-scrollable-scroll {
+    background-color: var(--app-scrollbar-thumb-hover) !important;
+  }
+
   body {
     @apply text-gray-500 dark:text-gray-400 text-xs bg-gray-100 dark:bg-gray-900 leading-normal;
     -webkit-font-smoothing: antialiased;
diff --git a/ui/src/components/ui/ScrollBar/ScrollBar.tsx b/ui/src/components/ui/ScrollBar/ScrollBar.tsx
index af1ea40..9024f92 100644
--- a/ui/src/components/ui/ScrollBar/ScrollBar.tsx
+++ b/ui/src/components/ui/ScrollBar/ScrollBar.tsx
@@ -10,7 +10,14 @@ export interface ScrollbarProps extends ReactCustomScrollbarProps {
 export type ScrollbarRef = Scrollbars
 
 const ScrollBar = forwardRef<ScrollbarRef, ScrollbarProps>((props, ref) => {
-    const { direction = 'ltr', ...rest } = props
+    const {
+        direction = 'ltr',
+        renderThumbVertical,
+        renderThumbHorizontal,
+        renderTrackVertical,
+        renderTrackHorizontal,
+        ...rest
+    } = props
 
     return (
         <Scrollbars
@@ -27,6 +34,65 @@ const ScrollBar = forwardRef<ScrollbarRef, ScrollbarProps>((props, ref) => {
                     }}
                 />
             )}
+            renderTrackVertical={
+                renderTrackVertical ||
+                ((props) => (
+                    <div
+                        {...props}
+                        style={{
+                            ...props.style,
+                            top: 0,
+                            right: direction === 'rtl' ? 'auto' : 0,
+                            left: direction === 'rtl' ? 0 : 'auto',
+                            bottom: 0,
+                            width: 'var(--app-scrollbar-size)',
+                            backgroundColor: 'var(--app-scrollbar-track)',
+                        }}
+                    />
+                ))
+            }
+            renderTrackHorizontal={
+                renderTrackHorizontal ||
+                ((props) => (
+                    <div
+                        {...props}
+                        style={{
+                            ...props.style,
+                            right: 0,
+                            left: 0,
+                            bottom: 0,
+                            height: 'var(--app-scrollbar-size)',
+                            backgroundColor: 'var(--app-scrollbar-track)',
+                        }}
+                    />
+                ))
+            }
+            renderThumbVertical={
+                renderThumbVertical ||
+                ((props) => (
+                    <div
+                        {...props}
+                        style={{
+                            ...props.style,
+                            borderRadius: 999,
+                            backgroundColor: 'var(--app-scrollbar-thumb)',
+                        }}
+                    />
+                ))
+            }
+            renderThumbHorizontal={
+                renderThumbHorizontal ||
+                ((props) => (
+                    <div
+                        {...props}
+                        style={{
+                            ...props.style,
+                            borderRadius: 999,
+                            backgroundColor: 'var(--app-scrollbar-thumb)',
+                        }}
+                    />
+                ))
+            }
             {...rest}
         />
     )
diff --git a/ui/src/views/admin/listForm/edit/form-fields/FormFieldTabDetails.tsx b/ui/src/views/admin/listForm/edit/form-fields/FormFieldTabDetails.tsx
index 9bd0f6f..1370b2d 100644
--- a/ui/src/views/admin/listForm/edit/form-fields/FormFieldTabDetails.tsx
+++ b/ui/src/views/admin/listForm/edit/form-fields/FormFieldTabDetails.tsx
@@ -1,11 +1,13 @@
-import { Container } from '@/components/shared'
-import { Button, Card, FormContainer, FormItem, Input, Select } from '@/components/ui'
+import { Button, Card, FormItem, Input, Select } from '@/components/ui'
 import { ColumnFormatEditDto, ListFormFieldEditTabs } from '@/proxy/admin/list-form-field/models'
 import { SelectBoxOption } from '@/types/shared'
 import { useLocalization } from '@/utils/hooks/useLocalization'
 import { Field, FieldProps, Form, Formik } from 'formik'
+import { useState } from 'react'
+import { FaSlidersH } from 'react-icons/fa'
 import { number, object, string } from 'yup'
 import { dbSourceTypeOptions, listFormAlignmentOptions } from '../options'
+import EditorOptionsBuilderDialog from '../json-row-operations/EditorOptionsBuilderDialog'
 import { FormFieldEditProps } from './FormFields'
 import { tooltipFormatListOptions } from '@/proxy/admin/list-form/options'
 
@@ -15,6 +17,9 @@ const schema = object().shape({
   placeHolder: string(),
   bandName: string(),
   sourceDbType: number().required(),
+  alignment: string(),
+  format: string(),
+  editorOptions: string().max(1000),
 })
 
 function FormFieldTabDetails({
@@ -26,6 +31,7 @@ function FormFieldTabDetails({
   initialValues: ColumnFormatEditDto
 } & FormFieldEditProps) {
   const { translate } = useLocalization()
+  const [isEditorOptionsDialogOpen, setIsEditorOptionsDialogOpen] = useState(false)
 
   return (
     <Formik
@@ -36,7 +42,7 @@ function FormFieldTabDetails({
         await onSubmit(ListFormFieldEditTabs.DetailsForm, values, formikHelpers)
       }}
     >
-      {({ touched, errors, isSubmitting, values }) => (
+      {({ touched, errors, isSubmitting, values, setFieldValue }) => (
         <Form>
           <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
             <Card>
@@ -123,16 +129,33 @@ function FormFieldTabDetails({
                 invalid={errors.editorOptions && touched.editorOptions}
                 errorMessage={errors.editorOptions}
               >
-                <Field
-                  type="text"
-                  name="editorOptions"
-                  component={Input}
-                  rows={4}
-                  textArea={true}
-                />
+                <div className="flex gap-2 items-start">
+                  <Field
+                    type="text"
+                    name="editorOptions"
+                    component={Input}
+                    rows={4}
+                    textArea={true}
+                  />
+                  <Button
+                    shape="circle"
+                    variant="plain"
+                    type="button"
+                    size="sm"
+                    title="Build editor options"
+                    icon={<FaSlidersH />}
+                    onClick={() => setIsEditorOptionsDialogOpen(true)}
+                  />
+                </div>
               </FormItem>
             </Card>
           </div>
+          <EditorOptionsBuilderDialog
+            isOpen={isEditorOptionsDialogOpen}
+            value={values.editorOptions}
+            onClose={() => setIsEditorOptionsDialogOpen(false)}
+            onApply={(val) => setFieldValue('editorOptions', val)}
+          />
           <Button size="sm" className="mt-1" block variant="solid" loading={isSubmitting} type="submit">
             {isSubmitting ? translate('::Saving') : translate('::Save')}
           </Button>
diff --git a/ui/src/views/admin/listForm/edit/json-row-operations/EditorOptionsBuilderDialog.tsx b/ui/src/views/admin/listForm/edit/json-row-operations/EditorOptionsBuilderDialog.tsx
index 7734d50..541e3aa 100644
--- a/ui/src/views/admin/listForm/edit/json-row-operations/EditorOptionsBuilderDialog.tsx
+++ b/ui/src/views/admin/listForm/edit/json-row-operations/EditorOptionsBuilderDialog.tsx
@@ -19,7 +19,7 @@ type EditorOptionsBuilderDialogProps = {
 }
 
 const baseInputClass =
-  'w-full h-9 px-2 rounded border border-gray-200 dark:border-gray-600 bg-white dark:bg-gray-800 text-sm text-gray-700 dark:text-gray-100 focus:outline-none focus:border-indigo-400'
+  'w-full min-w-0 h-9 px-2 rounded border border-gray-200 dark:border-gray-600 bg-white dark:bg-gray-800 text-sm text-gray-700 dark:text-gray-100 focus:outline-none focus:border-indigo-400'
 
 const boolOptions = [
   { key: 'showClearButton', label: 'showClearButton' },
@@ -145,6 +145,18 @@ function toSelectValue(value: unknown): string {
   return typeof value === 'string' ? value : ''
 }
 
+function toEncodeHtmlSelectValue(value: unknown): string {
+  if (value === true) return 'true'
+  if (value === false) return 'false'
+  return value === 'auto' ? 'auto' : ''
+}
+
+function readEncodeHtmlSelectValue(value: string) {
+  if (value === 'true') return true
+  if (value === 'false') return false
+  return undefined
+}
+
 function readCustomValue(option: CustomOption) {
   if (option.type === 'boolean') return option.value === 'true'
   if (option.type === 'number') return Number(option.value || 0)
@@ -278,23 +290,182 @@ function EditorOptionsBuilderDialog({
     return isEmptyObject(next) ? '' : JSON.stringify(next, null, 2)
   }, [customOptions, options])
 
+  const presetButtons = (
+    <div className="flex flex-wrap gap-2">
+      <Button
+        type="button"
+        size="sm"
+        onClick={clearOptions}
+        title="editorOptions alanını boşaltır. Backend'e boş string kaydedilir."
+      >
+        NULL / Empty
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset({ disabled: true })}
+        title='{"disabled": true} ekler.'
+      >
+        disabled
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset({ tooltip: { enabled: true } })}
+        title='{"tooltip": {"enabled": true}} ekler.'
+      >
+        Tooltip
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset({ format: { type: 'fixedPoint', precision: 2 } })}
+        title="Ondalık format precision 2 ekler."
+      >
+        fixedPoint precision 2
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            disabled: true,
+            format: { type: 'fixedPoint', precision: 2 },
+          })
+        }
+        title="Pasif ve precision 2 fixedPoint formatını birlikte ekler."
+      >
+        disabled fixedPoint 2
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            format: { type: 'fixedPoint', precision: 1 },
+            useMaskBehavior: true,
+            showSpinButtons: true,
+            disabled: true,
+          })
+        }
+        title="Precision 1, mask behavior, spin buttons ve pasif ayarını ekler."
+      >
+        disabled fixedPoint 1
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            format: { type: 'fixedPoint', precision: 2 },
+            useMaskBehavior: true,
+            showSpinButtons: true,
+          })
+        }
+        title="NumberBox için precision 2, mask behavior ve spin buttons ekler."
+      >
+        numberSpin precision 2
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset({ format: 'dd/MM/yyyy', displayFormat: 'dd/MM/yyyy' })}
+        title="DateBox için gün/ay/yıl formatını ekler."
+      >
+        date dd/MM/yyyy
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            format: 'dd/MM/yyyy HH:mm',
+            displayFormat: 'dd/MM/yyyy HH:mm',
+          })
+        }
+        title="DateBox için gün/ay/yıl saat:dakika formatını ekler."
+      >
+        dateTime dd/MM/yyyy HH:mm
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            format: 'phoneGlobal',
+            mask: '(000) 000-0000',
+            maskInvalidMessage: 'Lütfen geçerli bir telefon numarası girin',
+            useMaskedValue: false,
+            maskRules: { X: '[0-9]' },
+            placeholder: '(555) 123-4567',
+          })
+        }
+        title="Telefon maskesi, yer tutucu ve Türkçe hata mesajı ekler."
+      >
+        phoneGlobal mask
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() =>
+          addPreset({
+            type: 'time',
+            pickerType: 'list',
+            displayFormat: 'HH:mm',
+            dateSerializationFormat: 'yyyy-MM-ddTHH:mm:ss',
+            interval: 5,
+            width: '100%',
+          })
+        }
+        title="Saat seçimi için dxDateBox time picker ayarları ekler."
+      >
+        time picker
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset({ width: 80, height: 80, multiple: true })}
+        title="ImageUpload için 80x80 ve multiple ayarlarını ekler."
+      >
+        multi image
+      </Button>
+      <Button type="button" size="sm" onClick={() => addPreset({ height: 60 })} title='{"height": 60} ekler.'>
+        Height 60
+      </Button>
+      <Button type="button" size="sm" onClick={() => addPreset({ height: 100 })} title='{"height": 100} ekler.'>
+        Height 100
+      </Button>
+      <Button type="button" size="sm" onClick={() => addPreset({ height: 200 })} title='{"height": 200} ekler.'>
+        Height 200
+      </Button>
+      <Button
+        type="button"
+        size="sm"
+        onClick={() => addPreset(buildHtmlEditorOptions())}
+        title="HtmlEditor toolbar, image upload ve media resizing ayarlarını ekler."
+      >
+        htmlEditor toolbar
+      </Button>
+    </div>
+  )
+
   return (
     <Dialog
       isOpen={isOpen}
-      width={980}
-      height="82vh"
+      width={1320}
+      height="88vh"
       contentClassName="flex flex-col"
       style={{ overlay: { zIndex: 1300 } }}
       preventScroll
       onClose={onClose}
       onRequestClose={onClose}
     >
-      <Dialog.Body className="flex min-h-0 flex-1 flex-col gap-4 overflow-hidden">
+      <Dialog.Body className="flex min-h-0 flex-1 flex-col gap-3 overflow-hidden">
         <div className="flex items-center justify-between gap-3">
           <h5
             title={`${
               editorType || 'DevExpress editor'
-            } için DevExtreme editorOptions JSON'u oluşturur. Soldan hazır ayarları seç, sağdaki JSON önizleme alanından sonucu kontrol et.`}
+            } için DevExtreme editorOptions JSON'u oluşturur. Üstten hazır ayarları seç, sağdaki JSON önizleme alanından sonucu kontrol et.`}
           >
             Editor Options Builder
           </h5>
@@ -306,8 +477,18 @@ function EditorOptionsBuilderDialog({
           </div>
         )}
 
-        <div className="grid grid-cols-2 min-h-0 gap-4 overflow-y-auto pr-1 ">
-          <section className="flex flex-col gap-4">
+        <section className="rounded border border-gray-200 dark:border-gray-700 bg-gray-50/70 dark:bg-gray-900/30 p-3">
+          <div
+            className="mb-3 text-sm font-semibold"
+            title="Daha önce kullandığın hazır editorOptions örnekleri. Tıkladığın preset mevcut JSON ile birleştirilir, yani başka seçenekleri silmeden üzerine ekler."
+          >
+            Hazır Ayarlar
+          </div>
+          {presetButtons}
+        </section>
+
+        <div className="grid grid-cols-12 min-h-0 gap-4 overflow-hidden">
+          <section className="col-span-7 flex min-h-0 flex-col gap-3 overflow-y-auto pr-1">
             <div className="rounded border border-gray-200 dark:border-gray-700 p-3">
               <div
                 className="mb-3 text-sm font-semibold"
@@ -315,21 +496,39 @@ function EditorOptionsBuilderDialog({
               >
                 1. Hızlı Anahtarlar
               </div>
-              <div className="grid grid-cols-2 md:grid-cols-3 gap-2">
+              <div className="grid grid-cols-2 gap-x-3 gap-y-2">
                 {boolOptions.map((option) => (
                   <label
                     key={option.key}
-                    className="flex items-center gap-2 rounded px-1 py-1 text-sm"
+                    className="flex min-w-0 items-center gap-2 rounded px-1 py-1 text-xs"
                     title={`${option.key}: true/false olarak editorOptions içine yazılır.`}
                   >
                     <input
+                      className="shrink-0"
                       type="checkbox"
                       checked={options[option.key] === true}
                       onChange={(event) => toggleOption(option.key, event.target.checked)}
                     />
-                    <span>{option.label}</span>
+                    <span className="min-w-0 truncate">{option.label}</span>
                   </label>
                 ))}
+                <label
+                  className="col-span-2 grid min-w-0 grid-cols-[110px_1fr] items-center gap-2 rounded px-1 py-1 text-xs"
+                  title="encodeHtml değerini true, false veya auto olarak editorOptions içine yazar."
+                >
+                  <span className="min-w-0 truncate">encodeHtml</span>
+                  <select
+                    className={baseInputClass}
+                    value={toEncodeHtmlSelectValue(options.encodeHtml)}
+                    onChange={(event) =>
+                      setOptionValue('encodeHtml', readEncodeHtmlSelectValue(event.target.value))
+                    }
+                  >
+                    <option value="">Seç</option>
+                    <option value="true">true</option>
+                    <option value="false">false</option>
+                  </select>
+                </label>
               </div>
             </div>
 
@@ -340,7 +539,7 @@ function EditorOptionsBuilderDialog({
               >
                 2. Boyut ve Görünüm
               </div>
-              <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
+              <div className="grid grid-cols-1 md:grid-cols-3 gap-3 [&>label]:min-w-0">
                 <label className="text-xs text-gray-500">
                   {translate('::ListForms.ListFormEdit.DetailsWidth')}
                   <input
@@ -387,7 +586,7 @@ function EditorOptionsBuilderDialog({
               >
                 3. Genel Editor Davranışı
               </div>
-              <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
+              <div className="grid grid-cols-1 md:grid-cols-3 gap-3 [&>label]:min-w-0">
                 <label className="text-xs text-gray-500">
                   label
                   <input
@@ -469,7 +668,7 @@ function EditorOptionsBuilderDialog({
               >
                 4. TextBox / Mask
               </div>
-              <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
+              <div className="grid grid-cols-1 md:grid-cols-3 gap-3 [&>label]:min-w-0">
                 <label className="text-xs text-gray-500">
                   mode
                   <select
@@ -557,7 +756,7 @@ function EditorOptionsBuilderDialog({
               >
                 5. NumberBox
               </div>
-              <div className="grid grid-cols-1 md:grid-cols-5 gap-3">
+              <div className="grid grid-cols-2 md:grid-cols-5 gap-3 [&>label]:min-w-0">
                 {['min', 'max', 'step'].map((key) => (
                   <label key={key} className="text-xs text-gray-500">
                     {key}
@@ -617,7 +816,7 @@ function EditorOptionsBuilderDialog({
               >
                 6. DateBox
               </div>
-              <div className="grid grid-cols-1 md:grid-cols-3 gap-3">
+              <div className="grid grid-cols-1 md:grid-cols-3 gap-3 [&>label]:min-w-0">
                 <label className="text-xs text-gray-500">
                   type
                   <select
@@ -791,195 +990,20 @@ function EditorOptionsBuilderDialog({
             </div>
           </section>
 
-          <section className="rounded border border-gray-200 dark:border-gray-700 p-3 flex flex-col min-h-[420px]">
-            <div className="rounded border border-gray-200 dark:border-gray-700 p-3">
-              <div
-                className="mb-3 text-sm font-semibold"
-                title="Daha önce kullandığın hazır editorOptions örnekleri. Tıkladığın preset mevcut JSON ile birleştirilir, yani başka seçenekleri silmeden üzerine ekler."
-              >
-                Hazır Ayarlar
-              </div>
-              <div className="flex flex-wrap gap-2">
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={clearOptions}
-                  title="editorOptions alanını boşaltır. Backend'e boş string kaydedilir."
-                >
-                  NULL / Empty
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ disabled: true })}
-                  title='{"disabled": true} ekler.'
-                >
-                  disabled
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ tooltip: { enabled: true } })}
-                  title='{"tooltip": {"enabled": true}} ekler.'
-                >
-                  Tooltip
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ format: { type: 'fixedPoint', precision: 2 } })}
-                  title="Ondalık format precision 2 ekler."
-                >
-                  fixedPoint precision 2
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      disabled: true,
-                      format: { type: 'fixedPoint', precision: 2 },
-                    })
-                  }
-                  title="Pasif ve precision 2 fixedPoint formatını birlikte ekler."
-                >
-                  disabled fixedPoint 2
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      format: { type: 'fixedPoint', precision: 1 },
-                      useMaskBehavior: true,
-                      showSpinButtons: true,
-                      disabled: true,
-                    })
-                  }
-                  title="Precision 1, mask behavior, spin buttons ve pasif ayarını ekler."
-                >
-                  disabled fixedPoint 1
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      format: { type: 'fixedPoint', precision: 2 },
-                      useMaskBehavior: true,
-                      showSpinButtons: true,
-                    })
-                  }
-                  title="NumberBox için precision 2, mask behavior ve spin buttons ekler."
-                >
-                  numberSpin precision 2
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ format: 'dd/MM/yyyy', displayFormat: 'dd/MM/yyyy' })}
-                  title="DateBox için gün/ay/yıl formatını ekler."
-                >
-                  date dd/MM/yyyy
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      format: 'dd/MM/yyyy HH:mm',
-                      displayFormat: 'dd/MM/yyyy HH:mm',
-                    })
-                  }
-                  title="DateBox için gün/ay/yıl saat:dakika formatını ekler."
-                >
-                  dateTime dd/MM/yyyy HH:mm
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      format: 'phoneGlobal',
-                      mask: '(000) 000-0000',
-                      maskInvalidMessage: 'Lütfen geçerli bir telefon numarası girin',
-                      useMaskedValue: false,
-                      maskRules: { X: '[0-9]' },
-                      placeholder: '(555) 123-4567',
-                    })
-                  }
-                  title="Telefon maskesi, yer tutucu ve Türkçe hata mesajı ekler."
-                >
-                  phoneGlobal mask
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() =>
-                    addPreset({
-                      type: 'time',
-                      pickerType: 'list',
-                      displayFormat: 'HH:mm',
-                      dateSerializationFormat: 'yyyy-MM-ddTHH:mm:ss',
-                      interval: 5,
-                      width: '100%',
-                    })
-                  }
-                  title="Saat seçimi için dxDateBox time picker ayarları ekler."
-                >
-                  time picker
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ width: 80, height: 80, multiple: true })}
-                  title="ImageUpload için 80x80 ve multiple ayarlarını ekler."
-                >
-                  multi image
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ height: 60 })}
-                  title='{"height": 60} ekler.'
-                >
-                  Height 60
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ height: 100 })}
-                  title='{"height": 100} ekler.'
-                >
-                  Height 100
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset({ height: 200 })}
-                  title='{"height": 200} ekler.'
-                >
-                  Height 200
-                </Button>
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => addPreset(buildHtmlEditorOptions())}
-                  title="HtmlEditor toolbar, image upload ve media resizing ayarlarını ekler."
-                >
-                  htmlEditor toolbar
-                </Button>
-              </div>
-            </div>
-
+          <section className="col-span-5 flex min-h-0 flex-col rounded border border-gray-200 bg-white p-3 shadow-sm dark:border-gray-700 dark:bg-gray-900">
             <div
-              className="flex items-center gap-2 text-sm font-semibold mt-3"
+              className="mb-3 flex items-center justify-between gap-2 text-sm font-semibold"
               title="Kaydet/Uygula sonrası editorOptions alanına yazılacak net JSON budur."
             >
-              <FaCode />
-              JSON Önizleme
+              <span className="flex items-center gap-2">
+                <FaCode />
+                JSON Önizleme
+              </span>
+              <span className="rounded bg-gray-100 px-2 py-1 text-[11px] font-normal text-gray-500 dark:bg-gray-800 dark:text-gray-300">
+                {preview ? `${preview.length} karakter` : 'boş'}
+              </span>
             </div>
-            <pre className="flex overflow-auto rounded bg-gray-50 dark:bg-gray-900 p-3 text-xs whitespace-pre-wrap">
+            <pre className="min-h-0 flex-1 overflow-auto rounded border border-gray-200 bg-gray-950 p-4 font-mono text-xs leading-5 text-emerald-100 shadow-inner dark:border-gray-700 whitespace-pre-wrap">
               {preview || '{}'}
             </pre>
           </section>