diff --git a/laptops.php b/laptops.php
index 91d398d..d0acc88 100644
--- a/laptops.php
+++ b/laptops.php
@@ -434,8 +434,13 @@
                             </label>
                             <div class="relative">
                                 <input type="text" x-model="userSearchQuery"
-                                    @focus="showUserDropdown = true; userSearchQuery = ''"
-                                    @input="showUserDropdown = true" placeholder="사용자 검색 (이름, 사번)"
+                                    @focus="showUserDropdown = true; userSearchQuery = ''; userHighlightIndex = -1"
+                                    @input="showUserDropdown = true; userHighlightIndex = -1"
+                                    @keydown.arrow-down.prevent="if(showUserDropdown) { userHighlightIndex = (userHighlightIndex + 1) % filteredUsers.length; adjustScroll(); }"
+                                    @keydown.arrow-up.prevent="if(showUserDropdown) { userHighlightIndex = (userHighlightIndex - 1 + filteredUsers.length) % filteredUsers.length; adjustScroll(); }"
+                                    @keydown.enter.prevent="if(showUserDropdown && userHighlightIndex >= 0 && filteredUsers[userHighlightIndex]) { selectUser(filteredUsers[userHighlightIndex]); } else if (showUserDropdown) { showUserDropdown = false; } else { submitAsset(); }"
+                                    @keydown.space="if(showUserDropdown && userHighlightIndex >= 0 && filteredUsers[userHighlightIndex]) { $event.preventDefault(); selectUser(filteredUsers[userHighlightIndex]); }"
+                                    placeholder="사용자 검색 (이름, 사번)"
                                     :disabled="formData.status !== 'assigned'"
                                     :class="formData.status !== 'assigned' ? 'bg-slate-100 border-dashed cursor-not-allowed opacity-75' : 'bg-white'"
                                     class="w-full px-4 py-3 border border-slate-200 rounded-xl focus:ring-2 focus:ring-blue-500 outline-none transition-all text-sm font-bold text-slate-700">
@@ -458,16 +463,19 @@
                             <!-- User Search Dropdown -->
                             <div x-show="showUserDropdown" x-transition
                                 class="absolute z-[120] mt-2 w-full bg-white rounded-2xl shadow-2xl border border-slate-100 max-h-60 overflow-y-auto overflow-x-hidden no-scrollbar">
-                                <template x-for="user in filteredUsers" :key="user.id">
+                                <template x-for="(user, index) in filteredUsers" :key="user.id">
                                     <div @click="selectUser(user)"
+                                        :class="userHighlightIndex === index ? 'bg-blue-50' : ''"
                                         class="px-4 py-3 hover:bg-blue-50 cursor-pointer flex items-center justify-between transition-colors group">
                                         <div>
-                                            <div class="text-sm font-bold text-slate-700 group-hover:text-blue-600"
+                                            <div class="text-sm font-bold text-slate-700 transition-colors"
+                                                :class="userHighlightIndex === index ? 'text-blue-600' : 'group-hover:text-blue-600'"
                                                 x-text="user.name"></div>
                                             <div class="text-[10px] text-slate-400 font-medium"
                                                 x-text="user.dept_name || '부서 정보 없음'"></div>
                                         </div>
-                                        <div class="text-[10px] font-black text-slate-300 group-hover:text-blue-400"
+                                        <div class="text-[10px] font-black text-slate-300 transition-colors"
+                                            :class="userHighlightIndex === index ? 'text-blue-400' : 'group-hover:text-blue-400'"
                                             x-text="user.emp_id"></div>
                                     </div>
                                 </template>
@@ -608,6 +616,7 @@
                     disposal_recipient: '', disposal_date: '', real_user: '', disposal_user_id: ''
                 },
                 userSearchQuery: '',
+                userHighlightIndex: -1,
                 showUserDropdown: false,
                 disposalSearchQuery: '',
                 showDisposalDropdown: false,
@@ -660,6 +669,7 @@
                     this.formData.current_user_id = user.id;
                     this.userSearchQuery = `${user.name} (${user.emp_id})`;
                     this.showUserDropdown = false;
+                    this.userHighlightIndex = -1;
                     this.updateAssignedUserName();
                     // Do not auto-change status to assigned here because user might be in stock mode
                 },
@@ -667,12 +677,34 @@
                 clearUser() {
                     this.formData.current_user_id = '';
                     this.userSearchQuery = '';
+                    this.userHighlightIndex = -1;
                     this.updateAssignedUserName();
                     if (this.formData.status === 'assigned') {
                         this.formData.status = 'stock';
                     }
                 },
 
+                adjustScroll() {
+                    this.$nextTick(() => {
+                        const container = this.$el.querySelector('.max-h-60');
+                        if (!container) return;
+                        const items = container.querySelectorAll('.cursor-pointer');
+                        const activeItem = items[this.userHighlightIndex];
+                        if (!activeItem) return;
+                        
+                        const containerTop = container.scrollTop;
+                        const containerBottom = containerTop + container.clientHeight;
+                        const elemTop = activeItem.offsetTop;
+                        const elemBottom = elemTop + activeItem.offsetHeight;
+                        
+                        if (elemTop < containerTop) {
+                            container.scrollTop = elemTop;
+                        } else if (elemBottom > containerBottom) {
+                            container.scrollTop = elemBottom - container.clientHeight;
+                        }
+                    });
+                },
+
                 get isAssetTagDuplicate() {
                     const tag = (this.formData.asset_tag || '').trim();
                     if (!tag) return false;