improved CSS

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/routes/files/Index.svelte

@@ -6,7 +6,7 @@
     import { t }             from '../../translations.svelte';
     import { user }          from '../../user.svelte';
 
-    const image_extensions = ['jpg','jpeg','gif','png','svg'];
+    const image_extensions = ['jpg','jpeg','gif','png','svg','webp'];
     const router = useTinyRouter();
     let children = $state({});
     let new_dir = $state(null);

stock/src/main/java/de/srsoftware/umbrella/stock/SqliteDb.java

@@ -1,6 +1,7 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.stock;
 
+import static de.srsoftware.tools.Optionals.is0;
 import static de.srsoftware.tools.Optionals.nullIfEmpty;
 import static de.srsoftware.tools.jdbc.Condition.equal;
 import static de.srsoftware.tools.jdbc.Condition.isNull;
@@ -302,11 +303,11 @@ public class SqliteDb extends BaseDb implements StockDb {
 
 	@Override
 	public DbLocation save(DbLocation location) {
-		var parentId = location.parent() == 0 ? null : location.parent();
+		var parentId = is0(location.parent()) ? null : location.parent();
 		if (location.id() == 0) {  // new location
 			try {
 				var rs = insertInto(TABLE_LOCATIONS,OWNER,PARENT_LOCATION_ID,NAME,DESCRIPTION)
-						.values(location.owner().dbCode(),location.parent() == 0 ? null : parentId,location.name(),location.description())
+						.values(location.owner().dbCode(),parentId,location.name(),location.description())
 						.execute(db).getGeneratedKeys();
 				long id = 0;
 				if (rs.next()) id = rs.getLong(1);

web/src/main/resources/web/css/bloodshed.css

@@ -53,6 +53,10 @@ footer {
   margin: 5px;
 }
 
+img {
+	max-width: 100%;
+}
+
 nav {
     position: sticky;
     z-index: 100;

web/src/main/resources/web/css/default.css

@@ -41,7 +41,7 @@ fieldset[tabindex="0"]{
     overflow: hidden;
 }
 
-fieldset[tabindex="0"]:focus-within{
+fieldset[tabindex="0"]:hover{
     max-height: unset;
 }
 
@@ -53,6 +53,10 @@ footer {
   margin: 5px;
 }
 
+img {
+	max-width: 100%;
+}
+
 nav {
     position: sticky;
     z-index: 100;

web/src/main/resources/web/css/winter.css

@@ -41,7 +41,7 @@ fieldset[tabindex="0"]{
     overflow: hidden;
 }
 
-fieldset[tabindex="0"]:focus-within{
+fieldset[tabindex="0"]:hover{
     max-height: unset;
 }
 
@@ -53,6 +53,10 @@ footer {
   margin: 5px;
 }
 
+img {
+	max-width: 100%;
+}
+
 nav {
   position: sticky;
   z-index: 100;