Fix

src/App.tsx

@@ -16,12 +16,14 @@ const App = () => {
     drawer: { width: 300, depth: 400, height: 80 },
     wallThickness: 1.2,
     printerTolerance: 0.5,
-    cornerRadius: 4, // <--- Дефолтное скругление (4мм)
+    cornerRadius: 4,
   });
 
+  // ИСПРАВЛЕНИЕ: Добавлено поле subdivisions
   const [splits, setSplits] = useState<LayoutSplits>({
     x: [],
-    y: []
+    y: [],
+    subdivisions: {} 
   });
 
   // --- ЛОГИКА ВОССТАНОВЛЕНИЯ ИЗ ССЫЛКИ ---
@@ -29,7 +31,11 @@ const App = () => {
     const sharedData = parseShareUrl();
     if (sharedData) {
       setConfig(sharedData.config);
-      setSplits(sharedData.splits);
+      // Если в старой ссылке нет subdivisions, добавляем пустое
+      setSplits({
+          ...sharedData.splits,
+          subdivisions: sharedData.splits.subdivisions || {}
+      });
       setStep(3); 
       setIsLoadedFromUrl(true);
       window.history.replaceState({}, '', window.location.pathname);
@@ -122,7 +128,7 @@ const App = () => {
             <button 
                 onClick={() => {
                     setStep(1);
-                    setSplits({x: [], y: []});
+                    setSplits({x: [], y: [], subdivisions: {}});
                     window.history.replaceState({}, '', window.location.pathname);
                 }} 
                 className="flex items-center gap-2 px-6 py-3 rounded-lg font-semibold text-gray-400 hover:text-white transition-colors border border-transparent hover:border-slate-700"

src/components/LayoutStep.tsx

@@ -1,6 +1,7 @@
 import React, { useRef, useState, useMemo } from 'react';
 import { AppConfig, LayoutSplits } from '../types';
-import { Grid, MousePointer2, Trash2, RotateCcw, LayoutGrid, X, Plus, Minus, SplitSquareVertical, SplitSquareHorizontal } from 'lucide-react';
+// ИСПРАВЛЕНИЕ: Используем безопасные иконки
+import { Grid, MousePointer2, Trash2, RotateCcw, LayoutGrid, X, Plus, Minus, RectangleHorizontal, RectangleVertical } from 'lucide-react';
 
 interface Props {
   config: AppConfig;
@@ -14,17 +15,12 @@ type Axis = 'x' | 'y';
 export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
   const svgRef = useRef<SVGSVGElement>(null);
   
-  // Режимы: 'lines' (двигать линии) или 'cells' (дробить ячейки)
   const [mode, setMode] = useState<EditMode>('lines');
-  
-  // Состояния для линий
   const [phantomAxis, setPhantomAxis] = useState<Axis | null>(null);
   const [mousePos, setMousePos] = useState({ x: 0, y: 0 });
   const [hoveredSplit, setHoveredSplit] = useState<{ axis: Axis; index: number } | null>(null);
   const [dragging, setDragging] = useState<{ axis: Axis; index: number } | null>(null);
   const [isButtonHovered, setIsButtonHovered] = useState(false);
-
-  // Состояние для ячеек
   const [selectedCell, setSelectedCell] = useState<{ i: number, j: number } | null>(null);
 
   const viewBoxW = 1000;
@@ -34,9 +30,11 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
   const sortedX = useMemo(() => [0, ...splits.x, 1].sort((a, b) => a - b), [splits.x]);
   const sortedY = useMemo(() => [0, ...splits.y, 1].sort((a, b) => a - b), [splits.y]);
   
-  // --- Логика разделения ячеек ---
+  // ИСПРАВЛЕНИЕ: Безопасное получение subdivisions (если вдруг undefined)
+  const safeSubdivisions = splits.subdivisions || {};
+
   const getSubdivision = (i: number, j: number) => {
-      return splits.subdivisions?.[`${i}-${j}`] || { rows: 1, cols: 1 };
+      return safeSubdivisions[`${i}-${j}`] || { rows: 1, cols: 1 };
   };
 
   const updateSubdivision = (i: number, j: number, type: 'rows' | 'cols', delta: number) => {
@@ -44,9 +42,8 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
       const current = getSubdivision(i, j);
       const newVal = Math.max(1, Math.min(10, current[type] + delta));
       
-      const newSubdivisions = { ...splits.subdivisions };
+      const newSubdivisions = { ...safeSubdivisions };
       
-      // Если вернулись к 1x1, удаляем запись для чистоты
       if (newVal === 1 && (type === 'rows' ? current.cols : current.rows) === 1) {
           delete newSubdivisions[key];
       } else {
@@ -56,7 +53,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
       onChange({ ...splits, subdivisions: newSubdivisions });
   };
 
-  // --- Обработчики мыши ---
   const handleGlobalMouseMove = (e: React.MouseEvent) => {
     if (!svgRef.current) return;
     const rect = svgRef.current.getBoundingClientRect();
@@ -78,7 +74,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
 
         setHoveredSplit(null);
 
-        // Фантомная линия (только если не рядом с существующей)
         const SNAP = 0.02; 
         const closeToX = splits.x.some(val => Math.abs(nx - val) < SNAP);
         const closeToY = splits.y.some(val => Math.abs(ny - val) < SNAP);
@@ -116,7 +111,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
             setDragging({ axis: phantomAxis, index: newSplits[phantomAxis].length - 1 });
         }
     } else {
-        // В режиме ячеек сбрасываем выделение при клике в пустоту
         if (e.target === svgRef.current) setSelectedCell(null);
     }
   };
@@ -132,8 +126,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
 
   return (
     <div className="bg-slate-900 p-6 rounded-xl shadow-lg border border-slate-800 h-full flex flex-col relative">
-      
-      {/* --- HEADER CONTROLS --- */}
       <div className="flex justify-between items-center mb-4 z-20">
         <h2 className="text-xl font-bold flex items-center gap-2 text-primary">
           <Grid size={24} /> 2. Редактор макета
@@ -165,7 +157,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
       <div className="flex flex-col h-full select-none relative">
         <div className="flex-1 bg-slate-800/30 rounded-lg p-6 flex flex-col items-center justify-center relative overflow-hidden border border-slate-700/50">
             
-            {/* Instruction Overlay */}
             <div className="absolute top-4 left-4 z-10 bg-slate-900/90 p-3 rounded-lg backdrop-blur border border-slate-700 shadow-xl max-w-[200px] pointer-events-none">
                <div className="flex items-center gap-2 font-bold text-gray-100 mb-2 text-sm">
                    <MousePointer2 size={14} className="text-primary"/> Режим: {mode === 'lines' ? 'Границы' : 'Ячейки'}
@@ -184,7 +175,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                )}
             </div>
 
-            {/* Rulers */}
             <div className="w-full flex justify-between px-8 mb-1 max-w-[900px]">
                 <span className="text-xs text-slate-500 font-mono">0</span>
                 <span className="text-xs text-slate-500 font-mono">{config.drawer.width} мм</span>
@@ -196,7 +186,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                     <span className="text-xs text-slate-500 font-mono" style={{writingMode: 'vertical-rl'}}>{config.drawer.depth} мм</span>
                 </div>
 
-                {/* SVG Container */}
                 <div 
                     className="relative shadow-2xl bg-[#1e293b] border border-slate-600 rounded-sm overflow-hidden group"
                     style={{
@@ -223,7 +212,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                       </defs>
                       <rect width="100%" height="100%" fill="url(#grid)" />
 
-                      {/* --- РЕНДЕРИНГ ЯЧЕЕК --- */}
                       {sortedX.slice(0, -1).map((x1, i) => {
                           const x2 = sortedX[i + 1];
                           return sortedY.slice(0, -1).map((y1, j) => {
@@ -237,7 +225,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
 
                               return (
                                   <g key={`cell-${i}-${j}`}>
-                                      {/* Прямоугольник ячейки */}
                                       <rect
                                           x={cellX} y={cellY} width={cellW} height={cellH}
                                           fill={isSelected ? "rgba(59, 130, 246, 0.15)" : "transparent"}
@@ -251,8 +238,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                                               }
                                           }}
                                       />
-
-                                      {/* Внутренние пунктирные линии */}
                                       {subdiv.cols > 1 && Array.from({ length: subdiv.cols - 1 }).map((_, cI) => {
                                           const splitX = cellX + (cellW / subdiv.cols) * (cI + 1);
                                           return <line key={`sc-${cI}`} x1={splitX} y1={cellY} x2={splitX} y2={cellY + cellH} stroke="#3b82f6" strokeWidth="2" strokeDasharray="5,5" className="pointer-events-none opacity-70"/>;
@@ -261,8 +246,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                                           const splitY = cellY + (cellH / subdiv.rows) * (rI + 1);
                                           return <line key={`sr-${rI}`} x1={cellX} y1={splitY} x2={cellX + cellW} y2={splitY} stroke="#3b82f6" strokeWidth="2" strokeDasharray="5,5" className="pointer-events-none opacity-70"/>;
                                       })}
-
-                                      {/* РАЗМЕРЫ: показываем только если ячейка не разбита */}
                                       {subdiv.rows === 1 && subdiv.cols === 1 && (
                                          <text
                                             x={cellX + cellW/2} y={cellY + cellH/2}
@@ -278,7 +261,6 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                           });
                       })}
 
-                      {/* --- ЛИНИИ СЕТКИ (Поверх ячеек) --- */}
                       {splits.x.map((x, i) => (
                         <g key={`x-${i}`} onMouseMove={(e) => handleSplitHover(e, 'x', i)}>
                             <line x1={x * viewBoxW} y1={0} x2={x * viewBoxW} y2={viewBoxH} stroke="transparent" strokeWidth="60" className={mode === 'lines' ? "cursor-col-resize" : ""} />
@@ -287,7 +269,7 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                                 <g transform={`translate(${x * viewBoxW}, 40)`} onClick={(e) => { e.stopPropagation(); removeSplit('x', i); }}
                                    onMouseEnter={() => setIsButtonHovered(true)} onMouseLeave={() => setIsButtonHovered(false)}
                                 >
-                                    <circle r="14" fill="#ef4444" className="cursor-pointer"/>
+                                    <circle r="14" fill="#ef4444" className="cursor-pointer hover:scale-110 shadow-lg"/>
                                     <Trash2 size={14} color="white" x={-7} y={-7} className="pointer-events-none"/>
                                 </g>
                             )}
@@ -302,56 +284,54 @@ export const LayoutStep: React.FC<Props> = ({ config, splits, onChange }) => {
                                 <g transform={`translate(40, ${y * viewBoxH})`} onClick={(e) => { e.stopPropagation(); removeSplit('y', i); }}
                                    onMouseEnter={() => setIsButtonHovered(true)} onMouseLeave={() => setIsButtonHovered(false)}
                                 >
-                                    <circle r="14" fill="#ef4444" className="cursor-pointer"/>
+                                    <circle r="14" fill="#ef4444" className="cursor-pointer hover:scale-110 shadow-lg"/>
                                     <Trash2 size={14} color="white" x={-7} y={-7} className="pointer-events-none"/>
                                 </g>
                             )}
                         </g>
                       ))}
 
-                      {/* Фантомная линия */}
-                      {mode === 'lines' && !hoveredSplit && !dragging && phantomAxis && (
+                      {mode === 'lines' && !hoveredSplit && !dragging && phantomAxis === 'x' && (
                          <line 
-                            x1={phantomAxis === 'x' ? mousePos.x * viewBoxW : 0} 
-                            y1={phantomAxis === 'x' ? 0 : mousePos.y * viewBoxH} 
-                            x2={phantomAxis === 'x' ? mousePos.x * viewBoxW : viewBoxW} 
-                            y2={phantomAxis === 'x' ? viewBoxH : mousePos.y * viewBoxH} 
+                            x1={mousePos.x * viewBoxW} y1="0" x2={mousePos.x * viewBoxW} y2="100%" 
+                            stroke="#3b82f6" strokeWidth="4" strokeDasharray="8,8" className="pointer-events-none opacity-50"
+                         />
+                      )}
+                      {mode === 'lines' && !hoveredSplit && !dragging && phantomAxis === 'y' && (
+                         <line 
+                            x1="0" y1={mousePos.y * viewBoxH} x2="100%" y2={mousePos.y * viewBoxH} 
                             stroke="#3b82f6" strokeWidth="4" strokeDasharray="8,8" className="pointer-events-none opacity-50"
                          />
                       )}
                    </svg>
 
-                   {/* --- КОНТРОЛЫ ЯЧЕЙКИ (Поверх SVG) --- */}
+                   {/* --- МЕНЮ ДЛЯ ЯЧЕЙКИ (С ИСПРАВЛЕННЫМИ ИКОНКАМИ) --- */}
                    {mode === 'cells' && selectedCell && (
                        <div 
                            className="absolute flex flex-col gap-2 p-2 bg-slate-800/90 backdrop-blur rounded-lg border border-blue-500 shadow-2xl transform -translate-x-1/2 -translate-y-1/2"
                            style={{
-                               // Позиционируем прямо по центру выбранной ячейки
                                left: `${((sortedX[selectedCell.i] + sortedX[selectedCell.i+1])/2) * 100}%`,
                                top: `${((sortedY[selectedCell.j] + sortedY[selectedCell.j+1])/2) * 100}%`,
                            }}
-                           onMouseDown={(e) => e.stopPropagation()} // Чтобы клик не снимал выделение
+                           onMouseDown={(e) => e.stopPropagation()}
                        >
-                           {/* Ряды (Горизонтально) */}
+                           {/* Ряды */}
                            <div className="flex items-center gap-2">
-                               <SplitSquareVertical size={16} className="text-blue-400" />
+                               <RectangleVertical size={16} className="text-blue-400" />
                                <button onClick={() => updateSubdivision(selectedCell.i, selectedCell.j, 'cols', -1)} className="w-6 h-6 bg-slate-700 hover:bg-slate-600 rounded flex items-center justify-center"><Minus size={12}/></button>
                                <span className="font-mono font-bold w-4 text-center">{getSubdivision(selectedCell.i, selectedCell.j).cols}</span>
                                <button onClick={() => updateSubdivision(selectedCell.i, selectedCell.j, 'cols', 1)} className="w-6 h-6 bg-slate-700 hover:bg-slate-600 rounded flex items-center justify-center"><Plus size={12}/></button>
                            </div>
                            
-                           {/* Колонки (Вертикально) */}
+                           {/* Колонки */}
                            <div className="flex items-center gap-2">
-                               <SplitSquareHorizontal size={16} className="text-blue-400" />
+                               <RectangleHorizontal size={16} className="text-blue-400" />
                                <button onClick={() => updateSubdivision(selectedCell.i, selectedCell.j, 'rows', -1)} className="w-6 h-6 bg-slate-700 hover:bg-slate-600 rounded flex items-center justify-center"><Minus size={12}/></button>
                                <span className="font-mono font-bold w-4 text-center">{getSubdivision(selectedCell.i, selectedCell.j).rows}</span>
                                <button onClick={() => updateSubdivision(selectedCell.i, selectedCell.j, 'rows', 1)} className="w-6 h-6 bg-slate-700 hover:bg-slate-600 rounded flex items-center justify-center"><Plus size={12}/></button>
                            </div>
                            
-                           <button 
-                                onClick={() => setSelectedCell(null)} 
-                                className="mt-1 text-[10px] text-gray-400 hover:text-white text-center bg-slate-700/50 rounded py-1"
-                           >
+                           <button onClick={() => setSelectedCell(null)} className="mt-1 text-[10px] text-gray-400 hover:text-white text-center bg-slate-700/50 rounded py-1">
                                Готово
                            </button>
                        </div>

src/types.ts

@@ -11,16 +11,15 @@ export interface AppConfig {
   cornerRadius: number;
 }
 
-// Новая структура: сколько рядов и колонок внутри конкретной ячейки
 export interface CellSubdivision {
-  rows: number; // горизонтальные ряды
-  cols: number; // вертикальные колонки
+  rows: number;
+  cols: number;
 }
 
 export interface LayoutSplits {
   x: number[];
   y: number[];
-  // Ключ - это индекс ячейки "xIndex-yIndex" (например "0-0")
+  // Добавляем обязательное поле, но разрешаем ему быть пустым
   subdivisions: Record<string, CellSubdivision>; 
 }