implemented dynamic theme loading, working on user edit

web/build.gradle.kts

@@ -1,5 +1,10 @@
 description = "Umbrella : Web"
 
+dependencies{
+    implementation(project(":core"))
+    implementation("de.srsoftware:tools.optionals:1.0.0")
+}
+
 tasks.processResources {
     System.out.println("Copying from dist…")
     from("../frontend/dist") {

web/src/main/java/de/srsoftware/umbrella/web/WebHandler.java

@@ -1,6 +1,8 @@
 /* © SRSoftware 2025 */
 package de.srsoftware.umbrella.web;
 
+import static de.srsoftware.tools.Optionals.nullable;
+import static de.srsoftware.umbrella.core.ResponseCode.NOT_FOUND;
 import static java.lang.System.Logger.Level.DEBUG;
 import static java.lang.System.Logger.Level.WARNING;
 
@@ -9,8 +11,25 @@ import de.srsoftware.tools.Path;
 import de.srsoftware.tools.PathHandler;
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.util.List;
 
 public class WebHandler extends PathHandler {
+
+	private HttpExchange addCors(HttpExchange ex){
+		var headers = ex.getRequestHeaders();
+		var origin = nullable(headers.get("Origin")).orElse(List.of()).stream().filter(url -> url.contains("://localhost")||url.contains("://127.0.0.1")).findAny();
+		if (origin.isPresent()) {
+			var url = origin.get();
+			headers = ex.getResponseHeaders();
+			headers.add("Allow-Origin", url);
+			headers.add("Access-Control-Allow-Origin", url);
+			headers.add("Access-Control-Allow-Headers", "Content-Type");
+			headers.add("Access-Control-Allow-Credentials", "true");
+			headers.add("Access-Control-Allow-Methods","GET, POST, PATCH");
+		}
+		return ex;
+	}
+
 	@Override
 	public boolean doGet(Path path, HttpExchange ex) throws IOException {
 		LOG.log(DEBUG,"doGet({0},ex)",path);
@@ -30,10 +49,10 @@ public class WebHandler extends PathHandler {
 		try (var stream = conn.getInputStream()){
 			stream.transferTo(bos);
 			ex.getResponseHeaders().add(CONTENT_TYPE,mime);
-			return sendContent(ex,bos.toByteArray());
+			return sendContent(addCors(ex),bos.toByteArray());
 		} catch (Exception e) {
 			LOG.log(WARNING,"Failed to load {0}",url);
-			return false;
+			return sendContent(ex,NOT_FOUND,"Failed to load "+url);
 		}
 	}
 }

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

@@ -0,0 +1,37 @@
+a {
+    color: red;
+}
+body {
+    background: black;
+    color: red;
+}
+
+fieldset {
+    border: 1px solid red;
+    border-radius: 4px;
+}
+
+input{
+    background: black;
+    border: 1px dotted red;
+    border-radius: 4px;
+    padding: 3px;
+    margin: 3px;
+    color: red;
+}
+
+button{
+    background: red;
+    border-radius: 5px;
+    padding: 5px 7px;
+    border-width: 2px;
+    border-style: solid;
+    border-color: yellow red red yellow;
+}
+footer {
+  position: absolute;
+  bottom: 0;
+  width: 100%;
+  text-align: center;
+  margin: 5px;
+}