Added styles and fix button for API

Assets/UI Toolkit/Styles/FurnitureItem.uss

@@ -0,0 +1,33 @@
+.furniture-item {
+    padding: 10px;
+    margin-bottom: 8px;
+    background-color: #2c2c2c;
+    border-radius: 8px;
+    border-width: 1px;
+    border-color: #555;
+    flex-direction: column;
+    color: white;
+
+    flex-grow: 0;
+    flex-shrink: 0;
+    height: auto;
+}
+
+.furniture-title {
+    font-size: 14px;
+    -unity-font-style: bold;
+    color: white;
+
+    white-space: normal;
+    word-wrap: break-word;
+    overflow: hidden;
+}
+
+.furniture-subtitle {
+    font-size: 13px;
+    color: #cccccc;
+}
+
+#FurnitureItemDocumentUI-container{
+display:none;
+}

Assets/UI Toolkit/Styles/FurnitureItem.uss.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 99e4a78981d0caa41bdd60d9258bba6d
+ScriptedImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 2
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+  script: {fileID: 12385, guid: 0000000000000000e000000000000000, type: 0}
+  disableValidation: 0

Assets/UI Toolkit/Styles/MainScreen.uss

@@ -0,0 +1,13 @@
+.main-screen {
+    flex-grow: 1;
+    padding: 10px;
+    background-color: rgb(255, 255, 255);
+}
+
+.title-label {
+    background-color: transparent;
+    color: black;
+    font-size: 24px;
+    font-weight: bold;
+    margin-bottom: 10px;
+}

Assets/UI Toolkit/Styles/MainScreen.uss.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 1993886af6eb1494f9f4a4f3c968807a
+ScriptedImporter:
+  internalIDToNameTable: []
+  externalObjects: {}
+  serializedVersion: 2
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
+  script: {fileID: 12385, guid: 0000000000000000e000000000000000, type: 0}
+  disableValidation: 0