diff --git a/src/components/DualSpreadsheet/DualSpreadsheet.tsx b/src/components/DualSpreadsheet/DualSpreadsheet.tsx
index ce649ee..414cd0c 100644
--- a/src/components/DualSpreadsheet/DualSpreadsheet.tsx
+++ b/src/components/DualSpreadsheet/DualSpreadsheet.tsx
@@ -12,7 +12,7 @@ import { useMultiSheetEngine } from '../../hooks/useMultiSheetEngine'
 
 const ROW_COUNT = 90
 const COL_COUNT = 20
-const ROW_HEIGHT = 32
+const ROW_HEIGHT = 28
 
 const SHEET_NAMES = {
   report: 'L',
@@ -66,9 +66,9 @@ const Cell = memo(
     setActiveSheet,
     activeCellRef,
   }: CellProps) => {
-    const className = `border border-gray-200 ${
-      isSelected ? 'bg-blue-100' : ''
-    } ${isModified ? 'bg-yellow-50' : ''}`
+    const className = `border border-border ${isSelected ? 'bg-accent' : ''} ${
+      isModified ? 'bg-yellow-50' : ''
+    }`
 
     const style = {
       minWidth: `${columnWidth}px`,
@@ -112,12 +112,16 @@ const Cell = memo(
                 stopEditing(false)
               }
             }}
-            className="absolute left-0 top-0 z-20 box-border h-full w-full border-2 border-blue-500 p-2"
+            className="absolute left-0 top-0 z-20 box-border h-full w-full border-2 border-primary px-2 py-1"
           />
         ) : (
           <div
-            className="relative h-full w-full truncate p-2"
-            style={isSelected ? { boxShadow: 'inset 0 0 0 2px #3b82f6' } : {}}
+            className="relative h-full w-full truncate px-2 py-1"
+            style={
+              isSelected
+                ? { boxShadow: 'inset 0 0 0 2px hsl(var(--primary))' }
+                : {}
+            }
           >
             {displayValue}
           </div>
@@ -157,43 +161,74 @@ const FormulaBar = memo(
   }: FormulaBarProps) => {
     if (activeSheet !== sheetType) {
       return (
-        <div className="flex-shrink-0 border-b border-gray-200 bg-white p-2">
-          <div className="flex h-[34px] items-center" />
+        <div className="flex-shrink-0 border-b bg-background px-3 py-1">
+          <div className="flex h-[28px] items-center" />
         </div>
       )
     }
 
     return (
-      <div className="flex-shrink-0 border-b border-gray-200 bg-white p-2">
+      <div className="flex-shrink-0 border-b bg-background px-3 py-1">
         <div className="flex items-center space-x-2">
-          <div className="min-w-[60px] text-[1rem] text-gray-600">
-            <b>
+          <div className="flex min-w-[50px] items-center justify-center rounded-md border bg-muted px-2 py-1">
+            <span className="text-xs font-medium text-muted-foreground">
               {selectedCell
                 ? `${getColumnLabel(selectedCell.col)}${selectedCell.row + 1}`
-                : ''}
-            </b>
+                : 'A1'}
+            </span>
           </div>
-          {isCalculating && (
-            <div className="animate-pulse text-xs text-blue-600">
-              Вычисляется...
+          <div className="flex flex-1 items-center space-x-2">
+            <div className="flex items-center text-muted-foreground">
+              <svg
+                className="h-3.5 w-3.5"
+                fill="none"
+                stroke="currentColor"
+                viewBox="0 0 24 24"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  strokeWidth={2}
+                  d="M9 7h6m0 10v-3m-3 3h.01M9 17h.01M9 14h.01M12 14h.01M15 11h.01M12 11h.01M9 11h.01M7 21h10a2 2 0 002-2V5a2 2 0 00-2-2H7a2 2 0 00-2 2v14a2 2 0 002 2z"
+                />
+              </svg>
             </div>
-          )}
-          <div className="flex-1">
             <input
               ref={formulaBarRef}
               type="text"
-              className={`w-full rounded border px-2 py-1 text-sm focus:outline-none ${
-                isEditing
-                  ? 'border-blue-400 focus:ring-2 focus:ring-blue-300'
-                  : 'border-gray-300 focus:ring-2 focus:ring-blue-500'
-              }`}
-              placeholder="Введите формулу..."
+              className={`flex-1 rounded-md border border-input bg-background px-2 py-1 text-sm ring-offset-background transition-colors file:border-0 file:bg-transparent file:text-sm file:font-medium placeholder:text-muted-foreground focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-ring focus-visible:ring-offset-2 disabled:cursor-not-allowed disabled:opacity-50 ${
+                isEditing ? 'ring-2 ring-ring ring-offset-2' : ''
+              } ${isCalculating ? 'animate-pulse' : ''}`}
+              placeholder="Введите формулу или значение..."
               value={formulaBarValue}
               onChange={(e) => onValueChange(e.target.value)}
               onFocus={onFocus}
               onBlur={onBlur}
               onKeyDown={onKeyDown}
             />
+            {isCalculating && (
+              <div className="flex items-center text-muted-foreground">
+                <svg
+                  className="h-3.5 w-3.5 animate-spin"
+                  fill="none"
+                  viewBox="0 0 24 24"
+                >
+                  <circle
+                    className="opacity-25"
+                    cx="12"
+                    cy="12"
+                    r="10"
+                    stroke="currentColor"
+                    strokeWidth="4"
+                  ></circle>
+                  <path
+                    className="opacity-75"
+                    fill="currentColor"
+                    d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
+                  ></path>
+                </svg>
+              </div>
+            )}
           </div>
         </div>
       </div>
@@ -310,7 +345,7 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
       }
       setIsEditing(false)
       setEditingValue('') // Очищаем временное значение
-      containerRefs.current[activeSheet]?.focus()
+      containerRefs.current[activeSheet]?.focus({ preventScroll: true })
     },
     [activeSheet, selectedCell, editingValue, multiSheetEngine],
   )
@@ -404,7 +439,7 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
         stopEditing(true)
       }
       setSelectedCell({ row, col })
-      containerRefs.current[activeSheet]?.focus()
+      containerRefs.current[activeSheet]?.focus({ preventScroll: true })
     },
     [isEditing, stopEditing, activeSheet],
   )
@@ -459,10 +494,14 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
         e.preventDefault()
         stopEditing(true)
         moveSelection(1, 0)
+        // Предотвращаем прокрутку страницы
+        setTimeout(() => {
+          containerRefs.current[activeSheet]?.focus({ preventScroll: true })
+        }, 0)
       } else if (e.key === 'Escape') {
         e.preventDefault()
         stopEditing(false)
-        containerRefs.current[activeSheet]?.focus()
+        containerRefs.current[activeSheet]?.focus({ preventScroll: true })
       }
     },
     [stopEditing, moveSelection, activeSheet],
@@ -476,120 +515,129 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
     return (
       <div
         ref={(el) => (containerRefs.current[sheetType] = el)}
-        className="overflow-auto rounded-lg border border-gray-300 bg-white shadow-md"
-        style={{
-          width: '100%',
-          height: '100%',
-          position: 'relative',
-        }}
+        className="flex h-full flex-col overflow-hidden rounded-lg border bg-card shadow-sm"
         onKeyDown={handleKeyDown}
         tabIndex={0}
       >
-        <table
-          className="w-full border-collapse"
-          style={{ tableLayout: 'fixed' }}
-        >
-          <thead>
-            <tr>
-              <th className="h-8 w-12 border border-gray-300 bg-gray-100 text-xs font-medium text-gray-600"></th>
-              {Array.from({ length: COL_COUNT }, (_, i) => {
-                const handleMouseDown = (e: React.MouseEvent) => {
-                  e.preventDefault()
-                  const startX = e.clientX
-                  const startWidth = widths[i]
+        <div className="flex-shrink-0 border-b bg-muted/50 px-3 py-1">
+          <div className="flex items-center space-x-2">
+            <div
+              className={`h-2 w-2 rounded-full ${
+                sheetType === 'report' ? 'bg-primary' : 'bg-emerald-500'
+              }`}
+            ></div>
+            <h3 className="text-xs font-medium text-muted-foreground">
+              {sheetType === 'report' ? 'Отчет' : 'Расчеты'}
+            </h3>
+          </div>
+        </div>
+        <div className="flex-1 overflow-auto">
+          <table
+            className="w-full border-collapse"
+            style={{ tableLayout: 'fixed' }}
+          >
+            <thead>
+              <tr>
+                <th className="h-7 w-10 border border-border bg-muted text-xs font-medium text-muted-foreground"></th>
+                {Array.from({ length: COL_COUNT }, (_, i) => {
+                  const handleMouseDown = (e: React.MouseEvent) => {
+                    e.preventDefault()
+                    const startX = e.clientX
+                    const startWidth = widths[i]
 
-                  const handleMouseMove = (me: MouseEvent) => {
-                    const newWidth = startWidth + (me.clientX - startX)
-                    handleColumnResize(sheetType, i, newWidth)
+                    const handleMouseMove = (me: MouseEvent) => {
+                      const newWidth = startWidth + (me.clientX - startX)
+                      handleColumnResize(sheetType, i, newWidth)
+                    }
+
+                    const handleMouseUp = () => {
+                      document.removeEventListener('mousemove', handleMouseMove)
+                      document.removeEventListener('mouseup', handleMouseUp)
+                    }
+
+                    document.addEventListener('mousemove', handleMouseMove)
+                    document.addEventListener('mouseup', handleMouseUp)
                   }
-
-                  const handleMouseUp = () => {
-                    document.removeEventListener('mousemove', handleMouseMove)
-                    document.removeEventListener('mouseup', handleMouseUp)
-                  }
-
-                  document.addEventListener('mousemove', handleMouseMove)
-                  document.addEventListener('mouseup', handleMouseUp)
-                }
-                return (
-                  <th
-                    key={i}
-                    className="relative h-8 border border-gray-300 bg-gray-100 text-center text-xs font-medium text-gray-600"
-                    style={{ width: widths[i] }}
-                  >
-                    {getColumnLabel(i)}
-                    <div
-                      className="absolute right-0 top-0 h-full w-1 cursor-col-resize hover:bg-blue-500 hover:bg-opacity-50"
-                      onMouseDown={handleMouseDown}
-                    />
-                  </th>
-                )
-              })}
-            </tr>
-          </thead>
-          <tbody>
-            {Array.from({ length: ROW_COUNT }).map((_, rowIndex) => (
-              <tr key={rowIndex}>
-                <td className="h-8 w-12 border border-gray-300 bg-gray-100 text-center text-xs font-medium text-gray-600">
-                  {rowIndex + 1}
-                </td>
-                {Array.from({ length: COL_COUNT }).map((_, colIndex) => {
-                  const isCellSelected =
-                    selectedCell?.row === rowIndex &&
-                    selectedCell?.col === colIndex &&
-                    activeSheet === sheetType
-                  const isCellEditing = isCellSelected && isEditing
-
-                  const rawValue = isCellEditing
-                    ? editingValue
-                    : multiSheetEngine.getCellRawValue(
-                        sheetName,
-                        rowIndex,
-                        colIndex,
-                      )
-                  const displayValue = isCellEditing
-                    ? '' // Не показывать вычисленное значение во время редактирования
-                    : String(
-                        multiSheetEngine.getCellValue(
-                          sheetName,
-                          rowIndex,
-                          colIndex,
-                        ) || '',
-                      )
-
-                  const cellName = getColumnLabel(colIndex) + (rowIndex + 1)
-                  const templateValue =
-                    initialTemplateValues.current[cellName] ?? ''
-                  const isModified =
-                    sheetType === 'report' &&
-                    templateValue !== '' &&
-                    rawValue !== templateValue
-
                   return (
-                    <Cell
-                      key={colIndex}
-                      sheetType={sheetType}
-                      rowIndex={rowIndex}
-                      colIndex={colIndex}
-                      columnWidth={widths[colIndex]}
-                      isSelected={isCellSelected}
-                      isEditing={isCellEditing}
-                      displayValue={displayValue}
-                      rawValue={rawValue}
-                      isModified={isModified}
-                      onCellClick={handleCellClick}
-                      onCellDoubleClick={handleCellDoubleClick}
-                      onCellValueChange={handleCellChange}
-                      stopEditing={stopEditing}
-                      setActiveSheet={setActiveSheet}
-                      activeCellRef={activeCellInputRef}
-                    />
+                    <th
+                      key={i}
+                      className="relative h-7 border border-border bg-muted text-center text-xs font-medium text-muted-foreground"
+                      style={{ width: widths[i] }}
+                    >
+                      {getColumnLabel(i)}
+                      <div
+                        className="absolute right-0 top-0 h-full w-1 cursor-col-resize hover:bg-primary hover:bg-opacity-50"
+                        onMouseDown={handleMouseDown}
+                      />
+                    </th>
                   )
                 })}
               </tr>
-            ))}
-          </tbody>
-        </table>
+            </thead>
+            <tbody>
+              {Array.from({ length: ROW_COUNT }).map((_, rowIndex) => (
+                <tr key={rowIndex}>
+                  <td className="h-7 w-10 border border-border bg-muted text-center text-xs font-medium text-muted-foreground">
+                    {rowIndex + 1}
+                  </td>
+                  {Array.from({ length: COL_COUNT }).map((_, colIndex) => {
+                    const isCellSelected =
+                      selectedCell?.row === rowIndex &&
+                      selectedCell?.col === colIndex &&
+                      activeSheet === sheetType
+                    const isCellEditing = isCellSelected && isEditing
+
+                    const rawValue = isCellEditing
+                      ? editingValue
+                      : multiSheetEngine.getCellRawValue(
+                          sheetName,
+                          rowIndex,
+                          colIndex,
+                        )
+                    const displayValue = isCellEditing
+                      ? '' // Не показывать вычисленное значение во время редактирования
+                      : String(
+                          multiSheetEngine.getCellValue(
+                            sheetName,
+                            rowIndex,
+                            colIndex,
+                          ) || '',
+                        )
+
+                    const cellName = getColumnLabel(colIndex) + (rowIndex + 1)
+                    const templateValue =
+                      initialTemplateValues.current[cellName] ?? ''
+                    const isModified =
+                      sheetType === 'report' &&
+                      templateValue !== '' &&
+                      rawValue !== templateValue
+
+                    return (
+                      <Cell
+                        key={colIndex}
+                        sheetType={sheetType}
+                        rowIndex={rowIndex}
+                        colIndex={colIndex}
+                        columnWidth={widths[colIndex]}
+                        isSelected={isCellSelected}
+                        isEditing={isCellEditing}
+                        displayValue={displayValue}
+                        rawValue={rawValue}
+                        isModified={isModified}
+                        onCellClick={handleCellClick}
+                        onCellDoubleClick={handleCellDoubleClick}
+                        onCellValueChange={handleCellChange}
+                        stopEditing={stopEditing}
+                        setActiveSheet={setActiveSheet}
+                        activeCellRef={activeCellInputRef}
+                      />
+                    )
+                  })}
+                </tr>
+              ))}
+            </tbody>
+          </table>
+        </div>
       </div>
     )
   }
@@ -623,22 +671,7 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
   )
 
   return (
-    <div className="flex h-full flex-col space-y-4 bg-gray-100 p-4">
-      {/* Двойная панель */}
-      <div className="flex flex-grow space-x-4 overflow-hidden">
-        {/* Левая панель - Отчет */}
-        <div className="flex w-1/2 flex-col">
-          <h2 className="mb-2 text-lg font-semibold">Отчет</h2>
-          {memoizedReportSheet}
-        </div>
-
-        {/* Правая панель - Вычисления */}
-        <div className="flex w-1/2 flex-col">
-          <h2 className="mb-2 text-lg font-semibold">Расчеты</h2>
-          {memoizedCalculationsSheet}
-        </div>
-      </div>
-
+    <div className="flex h-screen flex-col bg-background">
       <div className="flex-shrink-0">
         <FormulaBar
           sheetType={activeSheet}
@@ -654,6 +687,11 @@ const DualSpreadsheet: FC<DualSpreadsheetProps> = ({ templateData = {} }) => {
           formulaBarRef={(el) => (formulaBarRefs.current[activeSheet] = el)}
         />
       </div>
+      {/* Двойная панель */}
+      <div className="flex flex-1 gap-1 overflow-hidden p-1">
+        <div className="min-w-0 flex-1">{memoizedReportSheet}</div>
+        <div className="min-w-0 flex-1">{memoizedCalculationsSheet}</div>
+      </div>
     </div>
   )
 }