Sửa chế độ chia sẻ privacy trực tiếp khi nhấn chuột phải lên scene

frontend/css/style.css

@@ -597,9 +597,11 @@ html, body {
 #logout-confirm-modal,
 #delete-asset-confirm-modal,
 #success-modal {
-    z-index: 5500; /* Cao hơn Dashboard (4500) và Close Button (5000) */
+    z-index: 5500;
 }
 
+#share-member-modal, #share-link-modal { z-index: 6000; }
+
 /* --- Pannellum Custom Hotspot (Callout Bubble) --- */
 
 /* Container chính của hotspot do Pannellum quản lý */
@@ -752,3 +754,99 @@ html, body {
 .edit-btn-small { background: #28a745; color: white; }
 .delete-btn-small { background: #dc3545; color: white; }
 .media-actions button:hover { opacity: 0.8; }
+
+/* --- Edit Metadata Modal (Dark Theme) --- */
+#edit-scene-metadata-modal .modal-content {
+    background: rgba(30, 30, 30, 0.95);
+    color: #fff;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+    backdrop-filter: blur(10px);
+    max-width: 500px;
+}
+
+#edit-scene-metadata-modal .form-group label {
+    color: #ccc;
+}
+
+#edit-scene-metadata-modal input, 
+#edit-scene-metadata-modal textarea, 
+#edit-scene-metadata-modal select {
+    background: rgba(255, 255, 255, 0.05);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    color: #fff;
+}
+
+#edit-mini-map {
+    height: 200px;
+    width: 100%;
+    border-radius: 8px;
+    border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+/* --- Privacy Settings Enhancements --- */
+.privacy-settings-btn {
+    background: rgba(255, 255, 255, 0.1);
+    border: 1px solid rgba(255, 255, 255, 0.2);
+    color: white;
+    padding: 8px 12px;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 18px;
+    transition: all 0.2s;
+}
+
+.privacy-settings-btn:hover {
+    background: rgba(0, 123, 255, 0.4);
+    border-color: #007bff;
+}
+
+/* Search Dropdown */
+.search-dropdown {
+    position: absolute;
+    top: 100%; left: 0; width: 100%;
+    background: #2a2a2a;
+    border: 1px solid #444;
+    border-top: none;
+    max-height: 200px;
+    overflow-y: auto;
+    z-index: 100;
+    border-radius: 0 0 4px 4px;
+    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
+}
+
+.search-item {
+    padding: 10px 15px;
+    cursor: pointer;
+    border-bottom: 1px solid #333;
+    font-size: 14px;
+}
+
+.search-item:hover { background: #3a3a3a; color: #00d4ff; }
+
+/* Shared Users List */
+.shared-users-list {
+    margin-top: 10px;
+    max-height: 150px;
+    overflow-y: auto;
+    background: rgba(0,0,0,0.2);
+    border-radius: 4px;
+    padding: 5px;
+}
+
+.share-list-item {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    padding: 8px 12px;
+    background: rgba(255,255,255,0.05);
+    margin-bottom: 4px;
+    border-radius: 3px;
+    font-size: 13px;
+}
+
+.remove-share-btn {
+    color: #ff4d4d;
+    cursor: pointer;
+    font-weight: bold;
+    padding: 0 5px;
+}