chore: Smooth scroller (kinda)

src/main/java/cz/jzitnik/controllers/AbsencesController.java

@@ -62,6 +62,7 @@ public class AbsencesController extends DashboardBaseController {
             loadingIndicator.setVisible(false);
             
             if (result.isSuccess() && result.getData().isPresent()) {
+                cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                 currentPage = result.getData().get();
                 renderAbsences();
                 scrollPane.setVisible(true);

src/main/java/cz/jzitnik/controllers/ClassroomDetailController.java

@@ -62,6 +62,7 @@ public class ClassroomDetailController extends DashboardBaseController {
                 loadingIndicator.setVisible(false);
                 
                 if (result.isSuccess() && result.getData().isPresent()) {
+                    cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                     renderRoom(result.getData().get());
                     scrollPane.setVisible(true);
                 } else {

src/main/java/cz/jzitnik/controllers/ClassroomsController.java

@@ -61,6 +61,7 @@ public class ClassroomsController extends DashboardBaseController {
                 loadingIndicator.setVisible(false);
                 
                 if (result.isSuccess() && result.getData().isPresent()) {
+                    cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                     RoomsPage page = result.getData().get();
                     allRooms = new ArrayList<>(page.getRoomReferences());
                     // Sort by name

src/main/java/cz/jzitnik/controllers/GradesController.java

@@ -64,6 +64,7 @@ public class GradesController extends DashboardBaseController {
             loadingIndicator.setVisible(false);
             
             if (result.isSuccess() && result.getData().isPresent()) {
+                cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                 scrollPane.setVisible(true);
                 currentPage = result.getData().get();
                 renderAllSubjects();

src/main/java/cz/jzitnik/controllers/TeachersController.java

@@ -60,6 +60,7 @@ public class TeachersController extends DashboardBaseController {
                 loadingIndicator.setVisible(false);
                 
                 if (result.isSuccess() && result.getData().isPresent()) {
+                    cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                     TeachersPage page = result.getData().get();
                     allTeachers = new ArrayList<>(page.getTeachersReferences());
                     allTeachers.sort((t1, t2) -> t1.getFullName().compareToIgnoreCase(t2.getFullName()));

src/main/java/cz/jzitnik/controllers/TimetableController.java

@@ -61,6 +61,7 @@ public class TimetableController extends DashboardBaseController {
             loadingIndicator.setVisible(false);
             
             if (result.isSuccess() && result.getData().isPresent()) {
+                cz.jzitnik.util.ScrollUtils.enableSmoothScrolling(scrollPane);
                 scrollPane.setVisible(true);
                 currentPage = result.getData().get();
                 renderTimetable();

src/main/java/cz/jzitnik/util/ScrollUtils.java

@@ -0,0 +1,35 @@
+package cz.jzitnik.util;
+
+import javafx.animation.KeyFrame;
+import javafx.animation.KeyValue;
+import javafx.animation.Timeline;
+import javafx.scene.control.ScrollPane;
+import javafx.scene.input.ScrollEvent;
+import javafx.util.Duration;
+
+public class ScrollUtils {
+
+    public static void enableSmoothScrolling(ScrollPane scrollPane) {
+        scrollPane.addEventFilter(ScrollEvent.SCROLL, event -> {
+            double deltaY = event.getDeltaY();
+            double contentHeight = scrollPane.getContent().getBoundsInLocal().getHeight();
+            double viewportHeight = scrollPane.getViewportBounds().getHeight();
+            
+            // Calculate new VValue based on delta
+            double deltaV = (-deltaY * 2.0) / (contentHeight - viewportHeight);
+            double newValue = scrollPane.getVvalue() + deltaV;
+            
+            // Constrain to [0, 1]
+            newValue = Math.max(0, Math.min(1, newValue));
+
+            // Animate
+            Timeline timeline = new Timeline();
+            KeyValue kv = new KeyValue(scrollPane.vvalueProperty(), newValue);
+            KeyFrame kf = new KeyFrame(Duration.millis(120), kv);
+            timeline.getKeyFrames().add(kf);
+            timeline.play();
+
+            event.consume();
+        });
+    }
+}