实体存储和管理服务

packages/editor-app/src/styles/App.css

@@ -14,6 +14,7 @@
   padding: 8px 16px;
   background-color: #2d2d2d;
   border-bottom: 1px solid #3e3e3e;
+  gap: 16px;
 }
 
 .editor-header h1 {
@@ -22,6 +23,33 @@
   margin: 0;
 }
 
+.header-toolbar {
+  display: flex;
+  gap: 8px;
+  flex: 1;
+}
+
+.toolbar-btn {
+  padding: 6px 12px;
+  background-color: #0e639c;
+  color: #ffffff;
+  border: none;
+  border-radius: 3px;
+  font-size: 13px;
+  cursor: pointer;
+  transition: background-color 0.2s;
+}
+
+.toolbar-btn:hover:not(:disabled) {
+  background-color: #1177bb;
+}
+
+.toolbar-btn:disabled {
+  background-color: #3c3c3c;
+  color: #858585;
+  cursor: not-allowed;
+}
+
 .editor-header .status {
   font-size: 12px;
   color: #4ec9b0;
@@ -38,8 +66,7 @@
   width: 250px;
   background-color: #252526;
   border-right: 1px solid #3e3e3e;
-  padding: 12px;
-  overflow-y: auto;
+  overflow: hidden;
 }
 
 .sidebar-right {
@@ -54,6 +81,15 @@
   color: #ffffff;
 }
 
+.loading {
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  height: 100%;
+  color: #858585;
+  font-size: 13px;
+}
+
 .main-content {
   display: flex;
   flex-direction: column;

packages/editor-app/src/styles/EntityInspector.css

@@ -0,0 +1,99 @@
+.entity-inspector {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  background-color: #1e1e1e;
+  color: #cccccc;
+}
+
+.inspector-header {
+  padding: 10px;
+  border-bottom: 1px solid #3c3c3c;
+  background-color: #252526;
+}
+
+.inspector-header h3 {
+  margin: 0;
+  font-size: 14px;
+  font-weight: 600;
+  color: #cccccc;
+}
+
+.inspector-content {
+  flex: 1;
+  overflow-y: auto;
+  padding: 12px;
+}
+
+.inspector-section {
+  margin-bottom: 16px;
+}
+
+.section-header {
+  font-size: 12px;
+  font-weight: 600;
+  color: #858585;
+  text-transform: uppercase;
+  letter-spacing: 0.5px;
+  margin-bottom: 8px;
+  padding: 4px 0;
+  border-bottom: 1px solid #3c3c3c;
+}
+
+.section-content {
+  padding: 8px 0;
+}
+
+.info-row {
+  display: flex;
+  justify-content: space-between;
+  padding: 6px 0;
+  font-size: 13px;
+}
+
+.info-label {
+  color: #858585;
+  font-weight: 500;
+}
+
+.info-value {
+  color: #cccccc;
+}
+
+.component-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.component-item {
+  display: flex;
+  align-items: center;
+  padding: 8px;
+  margin-bottom: 4px;
+  background-color: #252526;
+  border: 1px solid #3c3c3c;
+  border-radius: 3px;
+  font-size: 13px;
+}
+
+.component-item:hover {
+  background-color: #2a2d2e;
+  border-color: #505050;
+}
+
+.component-icon {
+  margin-right: 8px;
+  font-size: 14px;
+}
+
+.component-name {
+  color: #cccccc;
+}
+
+.empty-state {
+  padding: 20px;
+  text-align: center;
+  color: #858585;
+  font-size: 13px;
+}

packages/editor-app/src/styles/SceneHierarchy.css

@@ -0,0 +1,70 @@
+.scene-hierarchy {
+  display: flex;
+  flex-direction: column;
+  height: 100%;
+  background-color: #1e1e1e;
+  color: #cccccc;
+}
+
+.hierarchy-header {
+  padding: 10px;
+  border-bottom: 1px solid #3c3c3c;
+  background-color: #252526;
+}
+
+.hierarchy-header h3 {
+  margin: 0;
+  font-size: 14px;
+  font-weight: 600;
+  color: #cccccc;
+}
+
+.hierarchy-content {
+  flex: 1;
+  overflow-y: auto;
+  padding: 8px 0;
+}
+
+.empty-state {
+  padding: 20px;
+  text-align: center;
+  color: #858585;
+  font-size: 13px;
+}
+
+.entity-list {
+  list-style: none;
+  margin: 0;
+  padding: 0;
+}
+
+.entity-item {
+  display: flex;
+  align-items: center;
+  padding: 6px 12px;
+  cursor: pointer;
+  user-select: none;
+  transition: background-color 0.1s;
+}
+
+.entity-item:hover {
+  background-color: #2a2d2e;
+}
+
+.entity-item.selected {
+  background-color: #094771;
+}
+
+.entity-item.selected:hover {
+  background-color: #0e639c;
+}
+
+.entity-icon {
+  margin-right: 8px;
+  font-size: 14px;
+}
+
+.entity-name {
+  font-size: 13px;
+  color: #cccccc;
+}