feat: Enhance upload page tag suggestions with keyboard navigation and a top-aligned dropdown, while adding utility scripts for thumbnail copying and dummy data generation.

public/s/css/upload.css

@@ -251,6 +251,7 @@
     padding: 0.5rem;
     display: flex;
     flex-wrap: wrap;
+    position: relative;
     gap: 0.5rem;
 }
 
@@ -307,13 +308,14 @@
 .tag-suggestions {
     /* (styles for dropdown remain similar, maybe cleaner shadow) */
     position: absolute;
-    top: 100%;
+    top: auto;
+    bottom: 100%;
     left: 0;
     right: 0;
     background: #1e1e1e;
     border: 1px solid rgba(255, 255, 255, 0.1);
-    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
-    border-radius: 0 0 4px 4px;
+    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.5);
+    border-radius: 4px 4px 0 0;
     max-height: 200px;
     overflow-y: auto;
     display: none;
@@ -329,7 +331,8 @@
     cursor: pointer;
 }
 
-.tag-suggestion:hover {
+.tag-suggestion:hover,
+.tag-suggestion.active {
     background: rgba(255, 255, 255, 0.1);
 }