diff --git a/app/static/js/bulk-select.js b/app/static/js/bulk-select.js
index 70b70e9..c3dcc99 100644
--- a/app/static/js/bulk-select.js
+++ b/app/static/js/bulk-select.js
@@ -7,7 +7,8 @@
 
   const state = {
     isSelectMode: false,
-    selectedIds: new Set()
+    selectedIds: new Set(),
+    selectionOrder: []  // Array to track order of selection
   };
 
   // DOM elements (populated on init)
@@ -28,6 +29,8 @@
     dom.tagInput = document.getElementById('bulkTagInput');
     dom.autocomplete = document.getElementById('bulkTagAutocomplete');
     dom.commonTags = document.getElementById('commonTagsList');
+    dom.floatingPreview = document.getElementById('floatingPreview');
+    dom.floatingPreviewImage = document.getElementById('floatingPreviewImage');
 
     if (!dom.selectBtn || !dom.panel) return;
 
@@ -63,6 +66,30 @@
         }
       }
     });
+
+    // Preview on hover in select mode
+    document.addEventListener('mouseenter', handlePreviewShow, true);
+    document.addEventListener('mouseleave', handlePreviewHide, true);
+  }
+
+  function handlePreviewShow(e) {
+    if (!state.isSelectMode || !dom.floatingPreview) return;
+    const item = e.target.closest('.img-clickable');
+    if (!item) return;
+
+    const fullSrc = item.dataset.full;
+    if (fullSrc && dom.floatingPreviewImage) {
+      dom.floatingPreviewImage.src = fullSrc;
+      dom.floatingPreview.classList.add('active');
+    }
+  }
+
+  function handlePreviewHide(e) {
+    if (!dom.floatingPreview) return;
+    const item = e.target.closest('.img-clickable');
+    if (!item) return;
+
+    dom.floatingPreview.classList.remove('active');
   }
 
   function toggleSelectMode() {
@@ -104,12 +131,18 @@
 
     if (state.selectedIds.has(id)) {
       state.selectedIds.delete(id);
+      state.selectionOrder = state.selectionOrder.filter(x => x !== id);
       item.classList.remove('selected');
+      removeOrderBadge(item);
     } else {
       state.selectedIds.add(id);
+      state.selectionOrder.push(id);
       item.classList.add('selected');
+      addOrderBadge(item, state.selectionOrder.length);
     }
 
+    // Update all badges to reflect current order
+    updateAllOrderBadges();
     updateCount();
     loadCommonTags();
     dispatchSelectionChanged();
@@ -117,8 +150,10 @@
 
   function clearSelection() {
     state.selectedIds.clear();
+    state.selectionOrder = [];
     document.querySelectorAll('.img-clickable.selected').forEach(el => {
       el.classList.remove('selected');
+      removeOrderBadge(el);
     });
     updateCount();
     updateCommonTagsDisplay();
@@ -133,7 +168,10 @@
 
   function dispatchSelectionChanged() {
     document.dispatchEvent(new CustomEvent('selectionChanged', {
-      detail: { count: state.selectedIds.size }
+      detail: {
+        count: state.selectedIds.size,
+        orderedIds: [...state.selectionOrder]
+      }
     }));
   }
 
@@ -165,11 +203,43 @@
   }
 
   function updateSelectionUI() {
-    // Re-apply selected class to any newly loaded images that are in selection
+    // Re-apply selected class and order badges to any newly loaded images that are in selection
     document.querySelectorAll('.img-clickable').forEach(item => {
       const id = parseInt(item.dataset.id);
       if (state.selectedIds.has(id)) {
         item.classList.add('selected');
+        const orderIndex = state.selectionOrder.indexOf(id);
+        if (orderIndex !== -1) {
+          addOrderBadge(item, orderIndex + 1);
+        }
+      }
+    });
+  }
+
+  // ---------------------------
+  // Order Badge Helpers
+  // ---------------------------
+  function addOrderBadge(item, orderNumber) {
+    removeOrderBadge(item); // Remove existing badge first
+    const badge = document.createElement('div');
+    badge.className = 'selection-order-badge';
+    badge.textContent = orderNumber;
+    item.appendChild(badge);
+  }
+
+  function removeOrderBadge(item) {
+    const existing = item.querySelector('.selection-order-badge');
+    if (existing) existing.remove();
+  }
+
+  function updateAllOrderBadges() {
+    document.querySelectorAll('.img-clickable').forEach(item => {
+      const id = parseInt(item.dataset.id);
+      const orderIndex = state.selectionOrder.indexOf(id);
+      if (orderIndex !== -1) {
+        addOrderBadge(item, orderIndex + 1);
+      } else {
+        removeOrderBadge(item);
       }
     });
   }
@@ -474,6 +544,7 @@
 
   // Expose global API for other scripts (like series editor)
   window.selectedImages = state.selectedIds;
+  window.selectionOrder = state.selectionOrder;  // Ordered array of selected IDs
   window.clearSelection = clearSelection;
   window.enableSelectMode = enableSelectMode;
   window.disableSelectMode = disableSelectMode;
diff --git a/app/static/style.css b/app/static/style.css
index 44ca38d..223c548 100644
--- a/app/static/style.css
+++ b/app/static/style.css
@@ -2036,6 +2036,55 @@ body.select-mode .gallery-infinite-container {
   font-size: 0.85rem;
 }
 
+/* Floating preview overlay (for select mode hover) */
+.floating-preview {
+  display: none;
+  position: fixed;
+  top: 80px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 1000;
+  width: 600px;
+  height: 500px;
+  background: var(--panel);
+  border: 2px solid var(--accent);
+  border-radius: 8px;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
+  padding: 4px;
+  pointer-events: none;
+}
+.floating-preview.active {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+.floating-preview img {
+  max-width: 100%;
+  max-height: 100%;
+  object-fit: contain;
+  border-radius: 4px;
+}
+
+/* Selection order badge on gallery items */
+.selection-order-badge {
+  position: absolute;
+  top: 4px;
+  left: 4px;
+  width: 24px;
+  height: 24px;
+  background: var(--accent);
+  color: white;
+  border-radius: 50%;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  font-size: 0.75rem;
+  font-weight: bold;
+  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
+  z-index: 10;
+  pointer-events: none;
+}
+
 /* Mobile: full-width panel from bottom */
 @media (max-width: 640px) {
   .bulk-editor-panel {
diff --git a/app/templates/gallery.html b/app/templates/gallery.html
index a463fcb..a541efa 100644
--- a/app/templates/gallery.html
+++ b/app/templates/gallery.html
@@ -120,6 +120,11 @@
 <!-- Modal -->
 {% include '_gallery_modal.html' %}
 
+<!-- Floating Preview (for select mode hover) -->
+<div id="floatingPreview" class="floating-preview">
+  <img id="floatingPreviewImage" src="" alt="Preview">
+</div>
+
 <!-- Bulk Editor Panel -->
 <aside id="bulkEditorPanel" class="bulk-editor-panel">
   <div class="bulk-editor-header">
@@ -204,7 +209,8 @@ document.addEventListener('DOMContentLoaded', () => {
   addToSeriesBtn.addEventListener('click', async () => {
     if (!window.selectedImages || window.selectedImages.size === 0) return;
 
-    const imageIds = Array.from(window.selectedImages);
+    // Use selectionOrder (click order) for page ordering
+    const imageIds = window.selectionOrder ? [...window.selectionOrder] : Array.from(window.selectedImages);
     const startPage = parseInt(startPageInput.value) || 1;
 
     addToSeriesBtn.disabled = true;