improving general usability and stability

components/configuration/ThemeTab.tsx

@@ -179,13 +179,14 @@ const ThemeTab: React.FC<ThemeTabProps> = ({
                     />
                   </svg>
                   <p className="mb-2 text-sm text-gray-400">
-                    <span className="font-semibold">Click to upload</span> or drag and drop
+                    <span className="font-semibold">Click to upload</span>
                   </p>
                   <p className="text-xs text-gray-400">PNG, JPG, WEBP, etc.</p>
                 </div>
                 <input
                   id="file-upload"
                   type="file"
+                  accept="image/*"
                   className="hidden"
                   onChange={handleFileUpload}
                 />
@@ -216,4 +217,4 @@ const ThemeTab: React.FC<ThemeTabProps> = ({
   );
 };
 
-export default ThemeTab;
+export default ThemeTab;