Implement 3D globe fly-over animation using MapLibre FreeCamera and Turf.js

frontend/src/styles/App.css

@@ -104,11 +104,55 @@
   cursor: not-allowed;
 }
 
+.action-btn-secondary {
+  width: 100%;
+  padding: 12px;
+  background: #34495e;
+  color: white;
+  border: none;
+  border-radius: 6px;
+  font-size: 16px;
+  font-weight: bold;
+  cursor: pointer;
+  transition: background 0.3s;
+  margin-top: 10px;
+}
+
+.action-btn-secondary:hover {
+  background: #2c3e50;
+}
+
+.disabled-controls {
+  opacity: 0.8;
+}
+
+.disabled-controls input, .disabled-controls .action-btn {
+  pointer-events: none;
+  cursor: not-allowed;
+}
+
+.action-btn-secondary {
+  pointer-events: auto !important;
+}
+
+.setting-row button {
+  pointer-events: auto !important;
+}
+
+.results-panel table thead {
+  position: sticky;
+  top: 0;
+  z-index: 1;
+}
+
 .results-panel {
   background: #f8f9fa;
   padding: 15px;
   border-radius: 8px;
   margin-bottom: 20px;
+  max-height: 450px;
+  overflow-y: auto;
+  border: 1px solid #eee;
 }
 
 .results-panel h3 {