...

lib/widgets/sudoku_board.dart

@@ -1,13 +1,13 @@
 import 'package:flutter/material.dart';
-import 'package:sudoku_app/models/sudoku_theme.dart'; // 👈 테마 모델 임포트
+import 'package:sudoku_app/models/sudoku_theme.dart';
 
 class SudokuBoard extends StatelessWidget {
   final int blockSize;
-  final SudokuTheme theme; // 👈 이번 게임의 테마
-  final List<int> cells; // 👈 List<int> (0, 1, 10...)
-  final List<int> originalCells; // 👈 List<int> (0, 1, 10...)
+  final SudokuTheme theme;
+  final List<int> cells;
+  final List<int> originalCells;
   final int? selectedIndex;
-  final int? selectedNumberPad; // 10진수 숫자 (1, 10...)
+  final int? selectedNumberPad;
   final Set<int> incorrectCells;
   final Function(int) onCellTapped;
 
@@ -26,7 +26,6 @@ class SudokuBoard extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     final int gridSize = blockSize * blockSize;
-    // 그리드 크기에 따라 폰트 크기 동적 조절
     final double fontSize = (gridSize > 9) ? (gridSize > 16 ? 12 : 16) : 24;
 
     return AspectRatio(
@@ -41,18 +40,19 @@ class SudokuBoard extends StatelessWidget {
           int row = index ~/ gridSize;
           int col = index % gridSize;
           
-          int cellValue = cells[index]; // 0, 1, 10...
+          int cellValue = cells[index];
           bool isEditable = (originalCells[index] == 0);
           bool isSelected = (index == selectedIndex);
 
-          // int == int 비교
+          int selectedNumAsInt = selectedNumberPad ?? -1;
+          String selectedNumAsSymbol = (selectedNumberPad != null) ? theme.getSymbol(selectedNumberPad!) : "";
+          
           bool isHighlighted = (cellValue != 0 &&
               selectedNumberPad != null &&
               cellValue == selectedNumberPad);
               
           bool isIncorrect = incorrectCells.contains(index);
 
-          // blockSize에 따른 동적 보더
           BorderSide thickBorder = const BorderSide(color: Colors.black, width: 2.0);
           BorderSide thinBorder = const BorderSide(color: Colors.grey, width: 0.5);
 
@@ -61,15 +61,14 @@ class SudokuBoard extends StatelessWidget {
             child: Container(
               alignment: Alignment.center,
               decoration: BoxDecoration(
+                // 🔽 [수정] 'isSelected' 조건 제거 (배경색 없음)
                 color: isIncorrect
-                    ? Colors.red.shade100
-                    : isSelected
-                        ? Colors.blue.shade100
-                        : isHighlighted
-                            ? Colors.blue.shade200
-                            : isEditable
-                                ? Colors.white
-                                : Colors.grey.shade200,
+                    ? Colors.red.shade100   // 1순위: 틀림
+                    : isHighlighted
+                        ? Colors.blue.shade200 // 2순위: 숫자 하이라이트
+                        : isEditable
+                            ? Colors.white
+                            : Colors.grey.shade200, // 기본
                 border: Border(
                   top: (row == 0) ? thickBorder : thinBorder,
                   left: (col == 0) ? thickBorder : thinBorder,
@@ -78,16 +77,18 @@ class SudokuBoard extends StatelessWidget {
                 ),
               ),
               child: Text(
-                // 0이면 비우고, 아니면 테마 기호("1", "A", "🍎") 표시
                 cellValue == 0 ? '' : theme.getSymbol(cellValue),
                 style: TextStyle(
                   fontSize: fontSize,
                   fontWeight: FontWeight.bold,
-                  color: isIncorrect
-                      ? Colors.red.shade900
-                      : isEditable
-                          ? Colors.blue
-                          : Colors.black,
+                  // 🔽 [수정] 'isSelected'를 최우선 순위로 추가 (텍스트 색상 변경)
+                  color: isSelected
+                      ? Colors.orange.shade700 // 1순위: 선택된 셀
+                      : isIncorrect
+                          ? Colors.red.shade900 // 2순위: 틀린 셀
+                          : isEditable
+                              ? Colors.blue     // 3순위: 수정 가능 셀
+                              : Colors.black,   // 기본 (원본 숫자)
                 ),
               ),
             ),