feat: UI-Highlight bei Chat-Antworten, Barrierefreiheits-Doku im Assistenten

src/static/css/style.css

@@ -4924,3 +4924,20 @@ a.map-popup-article:hover {
     bottom: auto;
     top: calc(100% + 8px);
 }
+
+/* Chat UI-Highlight: Bedienelemente hervorheben */
+@keyframes chat-ui-pulse {
+    0%   { box-shadow: 0 0 0 0 rgba(200, 168, 81, 0.7); }
+    40%  { box-shadow: 0 0 0 8px rgba(200, 168, 81, 0.3); }
+    80%  { box-shadow: 0 0 0 12px rgba(200, 168, 81, 0); }
+    100% { box-shadow: 0 0 0 0 rgba(200, 168, 81, 0); }
+}
+.chat-ui-highlight {
+    animation: chat-ui-pulse 1s ease-out 3;
+    outline: 2px solid var(--accent) !important;
+    outline-offset: 3px;
+    border-radius: var(--radius-sm);
+    position: relative;
+    z-index: 100;
+    transition: outline 0.3s ease;
+}