feat: [org-chart] 조직도 최상단 노드 색상 수정 및 부서 드래그 정렬 기능 추가

- 최상단 회사 노드: Tailwind gradient → inline style로 변경 (글씨 안보이는 문제 수정)
- 부서 카드 드래그 앤 드롭 정렬: SortableJS handle 기반
- 1단계/2단계 부서 모두 드래그 정렬 가능
- sort_order 변경 즉시 서버 저장 (reorder-depts API)
- 부서 헤더에 드래그 아이콘 추가

app/Http/Controllers/RdController.php

@@ -151,6 +151,32 @@ public function orgChartReorder(Request $request): JsonResponse
         return response()->json(['success' => true]);
     }
 
+    /**
+     * 조직도 - 부서 순서 변경 (드래그 앤 드롭)
+     */
+    public function orgChartReorderDepts(Request $request): JsonResponse
+    {
+        $request->validate([
+            'orders' => 'required|array',
+            'orders.*.id' => 'required|integer',
+            'orders.*.parent_id' => 'nullable|integer',
+            'orders.*.sort_order' => 'required|integer',
+        ]);
+
+        $tenantId = session('selected_tenant_id');
+
+        foreach ($request->orders as $order) {
+            Department::where('tenant_id', $tenantId)
+                ->where('id', $order['id'])
+                ->update([
+                    'parent_id' => $order['parent_id'],
+                    'sort_order' => $order['sort_order'],
+                ]);
+        }
+
+        return response()->json(['success' => true]);
+    }
+
     /**
      * 중대재해처벌법 실무 점검
      */

resources/views/rd/org-chart.blade.php

@@ -21,7 +21,7 @@
     <!-- 안내 -->
     <div class="bg-blue-50 border border-blue-200 rounded-lg px-4 py-3 mb-6 text-sm text-blue-700 flex items-start gap-2">
         <i class="ri-information-line text-lg shrink-0 mt-0.5"></i>
-        <span>직원 카드를 드래그하여 부서에 배치하거나, 미배치 영역으로 이동할 수 있습니다. 변경은 즉시 저장됩니다.</span>
+        <span>직원 카드를 드래그하여 부서에 배치하거나, 미배치 영역으로 이동할 수 있습니다. 부서 카드도 드래그하여 순서를 변경할 수 있습니다. 변경은 즉시 저장됩니다.</span>
     </div>
 
     <!-- 미배치 직원 패널 (상단 접이식) -->
@@ -68,12 +68,13 @@ class="px-3 py-1 border border-gray-200 rounded text-xs focus:outline-none focus
             <!-- 최상단: 회사 -->
             <div class="org-level flex justify-center">
                 <div class="org-node-wrapper">
-                    <div class="org-node org-node-root bg-gradient-to-br from-purple-600 to-indigo-700 text-white rounded-xl px-6 py-4 shadow-lg text-center">
+                    <div class="org-node org-node-root rounded-xl px-6 py-4 shadow-lg text-center"
+                         style="background: linear-gradient(135deg, #7C3AED, #4338CA); color: #FFFFFF;">
                         <div class="flex items-center justify-center gap-2 mb-1">
                             <i class="ri-building-4-line text-lg"></i>
                             <span class="font-bold text-lg" x-text="companyName"></span>
                         </div>
-                        <p class="text-purple-200 text-sm" x-text="ceoName ? `대표이사 ${ceoName}` : ''"></p>
+                        <p class="text-sm" style="color: #E0D4FC;" x-text="ceoName ? `대표이사 ${ceoName}` : ''"></p>
                     </div>
                 </div>
             </div>
@@ -92,19 +93,20 @@ class="px-3 py-1 border border-gray-200 rounded text-xs focus:outline-none focus
                              :style="`width: calc(${(rootDepartments.length - 1)} * 240px)`"></div>
                     </div>
 
-                    <!-- 1단계 부서들 -->
+                    <!-- 1단계 부서들 (드래그 정렬 가능) -->
-                    <div class="org-level flex justify-center gap-0">
+                    <div id="root-dept-sortable" class="org-level flex justify-center gap-0">
                         <template x-for="dept in rootDepartments" :key="dept.id">
-                            <div class="flex flex-col items-center" style="min-width: 240px;">
+                            <div class="dept-sortable-item flex flex-col items-center" style="min-width: 240px;" :data-dept-id="dept.id">
                                 <!-- 수직선 (수평선 → 부서 카드) -->
                                 <div class="w-px bg-gray-300" style="height: 32px;" x-show="rootDepartments.length > 1"></div>
 
                                 <!-- 부서 카드 -->
-                                <div class="org-node bg-white border-2 border-purple-300 rounded-xl shadow-sm text-center cursor-pointer select-none hover:shadow-md transition"
+                                <div class="org-node border-2 border-purple-300 rounded-xl shadow-sm text-center select-none hover:shadow-md transition"
-                                     style="width: 200px;"
+                                     style="width: 200px; background: #FFFFFF;">
-                                     @click="toggleDept(dept.id)">
+                                    <div class="dept-drag-handle cursor-grab active:cursor-grabbing px-4 py-2.5 rounded-t-xl border-b"
-                                    <div class="bg-purple-50 px-4 py-2.5 rounded-t-xl border-b border-purple-100">
+                                         style="background: #F5F3FF; border-color: #E9D5FF;">
                                         <div class="flex items-center justify-center gap-1.5">
+                                            <i class="ri-drag-move-2-line text-purple-400 text-xs"></i>
                                             <i class="ri-building-2-line text-purple-600 text-sm"></i>
                                             <span class="font-bold text-gray-800 text-sm" x-text="dept.name"></span>
                                         </div>
@@ -132,6 +134,14 @@ class="px-3 py-1 border border-gray-200 rounded text-xs focus:outline-none focus
                                          x-text="`${getDeptTotalCount(dept.id)}명`"></div>
                                 </div>
 
+                                <!-- 하위 부서 토글 버튼 -->
+                                <button x-show="getChildDepartments(dept.id).length > 0"
+                                        @click="toggleDept(dept.id)"
+                                        class="mt-1 text-xs text-purple-400 hover:text-purple-600 transition">
+                                    <i class="ri-arrow-down-s-line" :class="expandedDepts.includes(dept.id) ? '' : '-rotate-90'" style="transition: transform 0.2s;"></i>
+                                    <span x-text="expandedDepts.includes(dept.id) ? '접기' : `하위 ${getChildDepartments(dept.id).length}개`"></span>
+                                </button>
+
                                 <!-- 하위 부서 연결 -->
                                 <template x-if="getChildDepartments(dept.id).length > 0 && expandedDepts.includes(dept.id)">
                                     <div class="flex flex-col items-center">
@@ -144,18 +154,20 @@ class="px-3 py-1 border border-gray-200 rounded text-xs focus:outline-none focus
                                                  :style="`width: calc(${(getChildDepartments(dept.id).length - 1)} * 200px)`"></div>
                                         </div>
 
-                                        <!-- 2단계 부서들 -->
+                                        <!-- 2단계 부서들 (드래그 정렬 가능) -->
-                                        <div class="flex justify-center gap-0">
+                                        <div class="child-dept-sortable flex justify-center gap-0" :data-parent-id="dept.id">
                                             <template x-for="child in getChildDepartments(dept.id)" :key="child.id">
-                                                <div class="flex flex-col items-center" style="min-width: 200px;">
+                                                <div class="dept-sortable-item flex flex-col items-center" style="min-width: 200px;" :data-dept-id="child.id">
                                                     <!-- 수직선 -->
                                                     <div class="w-px bg-gray-300" style="height: 24px;" x-show="getChildDepartments(dept.id).length > 1"></div>
 
                                                     <!-- 2단계 부서 카드 -->
                                                     <div class="org-node bg-white border border-indigo-200 rounded-lg shadow-sm text-center hover:shadow-md transition"
                                                          style="width: 180px;">
-                                                        <div class="bg-indigo-50 px-3 py-2 rounded-t-lg border-b border-indigo-100">
+                                                        <div class="dept-drag-handle cursor-grab active:cursor-grabbing px-3 py-2 rounded-t-lg border-b"
+                                                             style="background: #EEF2FF; border-color: #C7D2FE;">
                                                             <div class="flex items-center justify-center gap-1">
+                                                                <i class="ri-drag-move-2-line text-indigo-300" style="font-size: 10px;"></i>
                                                                 <i class="ri-git-branch-line text-indigo-400 text-xs"></i>
                                                                 <span class="font-semibold text-gray-700 text-xs" x-text="child.name"></span>
                                                             </div>
@@ -251,6 +263,9 @@ class="fixed bottom-6 right-6 bg-gray-800 text-white px-4 py-2 rounded-lg shadow
     .employee-card.sortable-ghost { opacity: 0.4; }
     .employee-card.sortable-drag { box-shadow: 0 8px 25px rgba(0,0,0,0.15); z-index: 999; }
     .dept-drop-zone.sortable-drag-over { background-color: #F3E8FF; border-radius: 8px; }
+    .dept-sortable-item.sortable-ghost { opacity: 0.3; }
+    .dept-sortable-item.sortable-drag { box-shadow: 0 8px 25px rgba(0,0,0,0.2); z-index: 999; }
+    .dept-sortable-item.sortable-chosen .dept-drag-handle { background-color: #DDD6FE !important; }
 </style>
 @endsection
 
@@ -265,6 +280,7 @@ function orgChart() {
         searchUnassigned: '',
         saving: false,
         sortables: [],
+        deptSortables: [],
         expandedDepts: [],
 
         get totalEmployees() { return this.employees.length; },
@@ -277,11 +293,15 @@ function orgChart() {
             return this.unassignedEmployees.filter(e => e.display_name?.toLowerCase().includes(s));
         },
         get rootDepartments() {
-            return this.departments.filter(d => !d.parent_id);
+            return this.departments
+                .filter(d => !d.parent_id)
+                .sort((a, b) => (a.sort_order ?? 999) - (b.sort_order ?? 999) || a.name.localeCompare(b.name));
         },
 
         getChildDepartments(parentId) {
-            return this.departments.filter(d => d.parent_id === parentId);
+            return this.departments
+                .filter(d => d.parent_id === parentId)
+                .sort((a, b) => (a.sort_order ?? 999) - (b.sort_order ?? 999) || a.name.localeCompare(b.name));
         },
 
         getDeptEmployees(deptId) {
@@ -304,8 +324,10 @@ function orgChart() {
             } else {
                 this.expandedDepts.push(deptId);
             }
-            // 하위 부서 드롭존 재초기화
+            this.$nextTick(() => {
-            this.$nextTick(() => this.initDropZones());
+                this.initDropZones();
+                this.initDeptSortables();
+            });
         },
 
         getAvatarColor(name) {
@@ -325,6 +347,7 @@ function orgChart() {
             this.$nextTick(() => {
                 this.initSortable();
                 this.initDropZones();
+                this.initDeptSortables();
             });
         },
 
@@ -356,6 +379,37 @@ function orgChart() {
             });
         },
 
+        initDeptSortables() {
+            // 1단계 부서 정렬
+            const rootEl = document.getElementById('root-dept-sortable');
+            if (rootEl && !rootEl._deptSortableInitialized) {
+                rootEl._deptSortableInitialized = true;
+                this.deptSortables.push(new Sortable(rootEl, {
+                    handle: '.dept-drag-handle',
+                    animation: 200,
+                    ghostClass: 'sortable-ghost',
+                    dragClass: 'sortable-drag',
+                    draggable: '.dept-sortable-item',
+                    onEnd: (evt) => this.handleDeptReorder(evt, null),
+                }));
+            }
+
+            // 2단계 부서 정렬
+            document.querySelectorAll('.child-dept-sortable').forEach(el => {
+                if (el._deptSortableInitialized) return;
+                el._deptSortableInitialized = true;
+                const parentId = parseInt(el.dataset.parentId);
+                this.deptSortables.push(new Sortable(el, {
+                    handle: '.dept-drag-handle',
+                    animation: 200,
+                    ghostClass: 'sortable-ghost',
+                    dragClass: 'sortable-drag',
+                    draggable: '.dept-sortable-item',
+                    onEnd: (evt) => this.handleDeptReorder(evt, parentId),
+                }));
+            });
+        },
+
         handleDrop(evt) {
             const employeeId = parseInt(evt.item.dataset.employeeId);
             const targetDeptId = evt.to.dataset.departmentId;
@@ -367,6 +421,24 @@ function orgChart() {
             this.saveAssignment(employeeId, newDeptId);
         },
 
+        handleDeptReorder(evt, parentId) {
+            // DOM에서 현재 순서 읽기
+            const container = evt.from;
+            const items = container.querySelectorAll(':scope > .dept-sortable-item');
+            const orders = [];
+
+            items.forEach((item, index) => {
+                const deptId = parseInt(item.dataset.deptId);
+                orders.push({ id: deptId, parent_id: parentId, sort_order: index + 1 });
+
+                // Alpine 데이터도 갱신
+                const dept = this.departments.find(d => d.id === deptId);
+                if (dept) dept.sort_order = index + 1;
+            });
+
+            this.saveDeptOrder(orders);
+        },
+
         async saveAssignment(employeeId, departmentId) {
             this.saving = true;
             try {
@@ -393,6 +465,26 @@ function orgChart() {
             }
         },
 
+        async saveDeptOrder(orders) {
+            this.saving = true;
+            try {
+                await fetch('{{ route("rd.org-chart.reorder-depts") }}', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json',
+                        'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
+                        'Accept': 'application/json',
+                    },
+                    body: JSON.stringify({ orders }),
+                });
+                if (typeof showToast === 'function') showToast('부서 순서가 저장되었습니다.', 'success');
+            } catch (e) {
+                console.error('부서 순서 저장 실패:', e);
+            } finally {
+                this.saving = false;
+            }
+        },
+
         async unassignEmployee(empId) {
             const emp = this.employees.find(e => e.id === empId);
             if (emp) {

routes/web.php

@@ -392,6 +392,7 @@
         Route::post('/org-chart/assign', [RdController::class, 'orgChartAssign'])->name('org-chart.assign');
         Route::post('/org-chart/unassign', [RdController::class, 'orgChartUnassign'])->name('org-chart.unassign');
         Route::post('/org-chart/reorder', [RdController::class, 'orgChartReorder'])->name('org-chart.reorder');
+        Route::post('/org-chart/reorder-depts', [RdController::class, 'orgChartReorderDepts'])->name('org-chart.reorder-depts');
 
         // 중대재해처벌법 실무 점검
         Route::get('/safety-audit', [RdController::class, 'safetyAudit'])->name('safety-audit');