diff --git a/static/css/mindmap.css b/static/css/mindmap.css
index 9fa9dcc..c1b7a4f 100644
--- a/static/css/mindmap.css
+++ b/static/css/mindmap.css
@@ -250,4 +250,210 @@
 .dark .mindmap-tooltip {
     background: rgba(30, 41, 59, 0.9);
     box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
+}
+
+/* Mindmap Styles 
+   Stylesheets für die interaktive Mindmap-Funktionalität
+   Umfasst Bearbeitungsmodus, CRUD-Funktionen und UI-Elemente
+*/
+
+/* Bearbeitungsmodus-Indikator */
+#cy.editing-mode {
+  background: rgba(245, 158, 11, 0.1) !important;
+}
+
+/* Edge-Erstellungsmodus */
+#cy.edge-creation-mode {
+  cursor: crosshair !important;
+}
+
+/* Aktivierter Knoten */
+#cy .edge-source {
+  border-color: #f59e0b !important;
+  border-width: 4px !important;
+  border-style: dashed !important;
+}
+
+/* Node-Dialog Overlay */
+.node-dialog-overlay {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.5);
+  backdrop-filter: blur(3px);
+  z-index: 1900;
+}
+
+/* Kontext-Menü */
+.context-menu {
+  position: absolute;
+  z-index: 2000;
+  background: rgba(15, 23, 42, 0.95);
+  border-radius: 0.5rem;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
+  min-width: 180px;
+  border: 1px solid rgba(255, 255, 255, 0.1);
+  backdrop-filter: blur(10px);
+  overflow: hidden;
+}
+
+.context-menu-header {
+  padding: 0.5rem 1rem;
+  color: rgba(255, 255, 255, 0.7);
+  font-size: 0.8rem;
+  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.context-menu-item {
+  padding: 0.5rem 1rem;
+  display: flex;
+  align-items: center;
+  gap: 0.5rem;
+  color: rgba(255, 255, 255, 0.9);
+  cursor: pointer;
+  transition: all 0.2s ease;
+}
+
+.context-menu-item:hover {
+  background: rgba(255, 255, 255, 0.1);
+}
+
+/* Benachrichtigungen */
+#notification-container {
+  position: fixed;
+  top: 1rem;
+  right: 1rem;
+  z-index: 2000;
+  max-width: 400px;
+  display: flex;
+  flex-direction: column;
+  gap: 0.5rem;
+}
+
+.notification {
+  padding: 1rem;
+  border-radius: 0.5rem;
+  background: rgba(15, 23, 42, 0.95);
+  color: white;
+  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
+  display: flex;
+  align-items: center;
+  gap: 0.75rem;
+  transform: translateX(120%);
+  transition: transform 0.3s ease-out;
+  backdrop-filter: blur(10px);
+  border: 1px solid rgba(255, 255, 255, 0.1);
+}
+
+.notification i {
+  font-size: 1.25rem;
+}
+
+.notification-success {
+  background: rgba(16, 185, 129, 0.9);
+}
+
+.notification-error {
+  background: rgba(239, 68, 68, 0.9);
+}
+
+.notification-warning {
+  background: rgba(245, 158, 11, 0.9);
+}
+
+.notification-info {
+  background: rgba(59, 130, 246, 0.9);
+}
+
+/* CRUD-Aktionen Styles */
+.crud-panel {
+  transition: transform 0.3s ease, opacity 0.3s ease;
+}
+
+.crud-panel.hidden {
+  opacity: 0;
+  transform: translateY(50px);
+  pointer-events: none;
+}
+
+/* Tooltip für CRUD-Buttons */
+.crud-button::after {
+  content: attr(data-tooltip);
+  position: absolute;
+  bottom: 100%;
+  left: 50%;
+  transform: translateX(-50%);
+  background: rgba(15, 23, 42, 0.95);
+  padding: 0.3rem 0.6rem;
+  border-radius: 0.4rem;
+  font-size: 0.7rem;
+  white-space: nowrap;
+  opacity: 0;
+  transition: opacity 0.2s ease;
+  pointer-events: none;
+  margin-bottom: 5px;
+}
+
+.crud-button:hover::after {
+  opacity: 1;
+}
+
+/* Visueller Indikator für den Bearbeitungsmodus */
+.edit-mode-indicator {
+  animation: pulse-warning 2s infinite;
+  box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
+}
+
+@keyframes pulse-warning {
+  0% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.7); }
+  70% { box-shadow: 0 0 0 10px rgba(245, 158, 11, 0); }
+  100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0); }
+}
+
+/* Verbesserter Info-Panel */
+.info-panel {
+  transition: all 0.3s ease;
+}
+
+.info-title {
+  position: relative;
+}
+
+.info-title::after {
+  content: '';
+  position: absolute;
+  bottom: -5px;
+  left: 0;
+  width: 50px;
+  height: 3px;
+  background: linear-gradient(90deg, #60a5fa, #8b5cf6);
+  border-radius: 2px;
+}
+
+.info-content {
+  max-height: 300px;
+  overflow-y: auto;
+}
+
+/* Anpassungen für kleinere Bildschirme */
+@media (max-width: 768px) {
+  .crud-panel {
+    bottom: 1rem;
+    left: 1rem;
+    right: 1rem;
+    transform: none;
+    justify-content: space-around;
+  }
+  
+  .info-panel {
+    left: 1rem;
+    width: calc(100% - 2rem);
+    max-width: none;
+  }
+  
+  .control-panel {
+    right: 1rem;
+  }
 }
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