From e9d31ce41e1f801689c2647296084b9d4f645bc8 Mon Sep 17 00:00:00 2001
From: sihoo <hoottogarun@gmail.com>
Date: Tue, 1 Sep 2026 00:42:05 +0900
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계정 추가/엑셀 등록 정사각형 칸은 기존 크기의 25%로 축소하고,
학생 목록 타일은 기존보다 50% 더 큰 정사각형으로 확대. 목록 폭은
더 이상 위 두 칸 폭에 종속되지 않고 전체 폭을 사용하도록 변경.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
---
 lib/ui/teacher_student_management_page.dart | 29 ++++++++++++---------
 1 file changed, 17 insertions(+), 12 deletions(-)

diff --git a/lib/ui/teacher_student_management_page.dart b/lib/ui/teacher_student_management_page.dart
index e99a69c..76388b7 100644
--- a/lib/ui/teacher_student_management_page.dart
+++ b/lib/ui/teacher_student_management_page.dart
@@ -657,12 +657,12 @@ class _TeacherStudentManagementPageState
             padding: const EdgeInsets.all(24.0),
             child: LayoutBuilder(
               builder: (context, constraints) {
-                // 🖥️ 웹(넓은 화면)은 계정 추가/엑셀 등록을 정사각형 2칸으로 나란히, 폰은 기존처럼 세로로 쌓는다.
+                // 🖥️ 웹(넓은 화면)은 계정 추가/엑셀 등록을 작은 정사각형 2칸으로 나란히, 폰은 기존처럼 세로로 쌓는다.
                 final bool isWide = constraints.maxWidth >= 800;
-                final double squareSize = (constraints.maxWidth - 20) / 2;
-                final double listWidth = isWide
-                    ? squareSize * 2 + 20
-                    : constraints.maxWidth;
+                // 📉 계정 추가 / 엑셀 등록 칸: 기존 정사각형 크기의 25%로 축소.
+                final double formSquareSize =
+                    ((constraints.maxWidth - 20) / 2) * 0.25;
+                final double listWidth = constraints.maxWidth;
 
                 final Widget addBoxColumn = Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
@@ -670,8 +670,8 @@ class _TeacherStudentManagementPageState
                     _sectionTitle('신규 학생 계정 추가'),
                     const SizedBox(height: 16),
                     SizedBox(
-                      width: isWide ? squareSize : double.infinity,
-                      height: isWide ? squareSize : null,
+                      width: isWide ? formSquareSize : double.infinity,
+                      height: isWide ? formSquareSize : null,
                       child: _buildAddAccountBox(),
                     ),
                   ],
@@ -683,8 +683,8 @@ class _TeacherStudentManagementPageState
                     _sectionTitle('엑셀로 한번에 추가 (신입생 등)'),
                     const SizedBox(height: 16),
                     SizedBox(
-                      width: isWide ? squareSize : double.infinity,
-                      height: isWide ? squareSize : 240,
+                      width: isWide ? formSquareSize : double.infinity,
+                      height: isWide ? formSquareSize : 240,
                       child: _buildExcelBox(),
                     ),
                   ],
@@ -760,12 +760,17 @@ class _TeacherStudentManagementPageState
                               : GridView.builder(
                                   shrinkWrap: true,
                                   physics: const NeverScrollableScrollPhysics(),
+                                  // 📈 학생 타일: 기존(8/4열 기준) 한 칸 폭보다 50% 더 큰 정사각형으로.
                                   gridDelegate:
-                                      SliverGridDelegateWithFixedCrossAxisCount(
-                                        crossAxisCount: isWide ? 8 : 4,
+                                      SliverGridDelegateWithMaxCrossAxisExtent(
+                                        maxCrossAxisExtent:
+                                            ((listWidth -
+                                                    (isWide ? 7 : 3) * 10) /
+                                                (isWide ? 8 : 4)) *
+                                            1.5,
                                         crossAxisSpacing: 10,
                                         mainAxisSpacing: 10,
-                                        childAspectRatio: isWide ? 1.4 : 0.9,
+                                        childAspectRatio: 1,
                                       ),
                                   itemCount: _controller.students.length,
                                   itemBuilder: (context, index) =>