src/main/java/vassistent/ui/AppWindow.java

@@ -1,12 +1,10 @@
 package vassistent.ui;
 
-import vassistent.bootstrap.ApplicationContext;
-import vassistent.controller.DashboardController;
 import vassistent.util.ConfigLoader;
 
 import javax.swing.*;
-import javax.swing.border.Border;
 import java.awt.*;
+import java.util.Locale;
 import java.util.Properties;
 
 /**
@@ -14,6 +12,9 @@ import java.util.Properties;
  */
 public class AppWindow extends JFrame {
 
+    private static final int EXPANDED_DASHBOARD_WIDTH = 460;
+    private static final int EXPANDED_DIVIDER_SIZE = 8;
+
     private static final Properties config =
             ConfigLoader.loadProperties(
                     "config/application.properties"
@@ -22,6 +23,9 @@ public class AppWindow extends JFrame {
     private PixelStreamingView streamingView;
     private DashboardView dashboardView;
     private JTabbedPane tabs;
+    private JSplitPane driveSplitPane;
+    private JPanel dashboardCard;
+    private JToggleButton dashboardToggleButton;
 
     private JLabel mqttStatusLabel;
     private JLabel problemLevelLabel;
@@ -33,10 +37,12 @@ public class AppWindow extends JFrame {
 
         setTitle("Virtueller Gesundheitsassistent");
         setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
-        setSize(1400, 850);
+        setMinimumSize(new Dimension(1280, 720));
+        setSize(1700, 900);
         setLocationRelativeTo(null);
+        getContentPane().setBackground(new Color(15, 19, 26));
 
-        setLayout(new BorderLayout(10,10));
+        setLayout(new BorderLayout(12, 12));
 
         String streamUrl =
                 normalizeConfigValue(
@@ -51,11 +57,13 @@ public class AppWindow extends JFrame {
 
         dashboardView = new DashboardView();
 
+        add(createHeaderPanel(), BorderLayout.NORTH);
         tabs = createTabPane();
         add(tabs, BorderLayout.CENTER);
         add(createStatusBar(), BorderLayout.SOUTH);
+        SwingUtilities.invokeLater(() -> setDashboardVisible(false));
 
-        Font uiFont = new Font("Segoe UI", Font.PLAIN, 14);
+        Font uiFont = new Font("Segoe UI", Font.PLAIN, 16);
         UIManager.put("Label.font", uiFont);
         UIManager.put("TabbedPane.font", uiFont);
     }
@@ -68,17 +76,96 @@ public class AppWindow extends JFrame {
     private JTabbedPane createTabPane() {
 
         JTabbedPane tabs = new JTabbedPane();
-        tabs.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
-
-        JPanel streamingPanel = new JPanel(new BorderLayout(10,10));
-        streamingPanel.add(streamingView, BorderLayout.CENTER);
-
-        tabs.addTab("Avatar Streaming", streamingView);
-        tabs.addTab("Dashboard", dashboardView);
+        tabs.setBorder(BorderFactory.createEmptyBorder(0, 10, 6, 10));
+        tabs.setFocusable(false);
+        tabs.putClientProperty("JTabbedPane.tabHeight", 38);
+        tabs.putClientProperty("JTabbedPane.hideTabAreaWithOneTab", true);
+        tabs.addTab("Drive View", createDriveViewPanel());
 
         return tabs;
     }
 
+    /**
+     * Creates the center-display optimized drive panel.
+     *
+     * @return drive panel with large assistant stream and compact dashboard
+     */
+    private JPanel createDriveViewPanel() {
+        JPanel drivePanel = new JPanel(new BorderLayout());
+        drivePanel.setOpaque(false);
+        drivePanel.setBorder(BorderFactory.createEmptyBorder(6, 0, 0, 0));
+
+        JPanel streamCard = createCardPanel();
+        streamCard.setLayout(new BorderLayout(0, 12));
+        streamCard.add(
+                createSectionHeader(
+                        "Virtual Health Assistant",
+                        null
+                ),
+                BorderLayout.NORTH
+        );
+        streamCard.add(streamingView, BorderLayout.CENTER);
+
+        dashboardCard = createCardPanel();
+        dashboardCard.setLayout(new BorderLayout(0, 12));
+        dashboardCard.add(
+                createSectionHeader(
+                        "Health Overview",
+                        "Live trend and current risk level"
+                ),
+                BorderLayout.NORTH
+        );
+        dashboardCard.add(dashboardView, BorderLayout.CENTER);
+        dashboardCard.setPreferredSize(new Dimension(EXPANDED_DASHBOARD_WIDTH, 0));
+        dashboardCard.setMinimumSize(new Dimension(380, 0));
+
+        driveSplitPane =
+                new JSplitPane(
+                        JSplitPane.HORIZONTAL_SPLIT,
+                        streamCard,
+                        dashboardCard
+                );
+
+        driveSplitPane.setBorder(null);
+        driveSplitPane.setOpaque(false);
+        driveSplitPane.setContinuousLayout(true);
+        driveSplitPane.setOneTouchExpandable(false);
+        driveSplitPane.setDividerSize(EXPANDED_DIVIDER_SIZE);
+        driveSplitPane.setResizeWeight(0.72);
+        driveSplitPane.setDividerLocation(0.72);
+
+        drivePanel.add(driveSplitPane, BorderLayout.CENTER);
+
+        return drivePanel;
+    }
+
+    /**
+     * Creates a top banner with project title and context.
+     *
+     * @return header panel
+     */
+    private JPanel createHeaderPanel() {
+        JPanel header = new JPanel(new BorderLayout(12, 0));
+        header.setBorder(BorderFactory.createEmptyBorder(12, 16, 0, 16));
+        header.setOpaque(false);
+
+        JLabel title = new JLabel("Virtueller Gesundheitsassistent");
+        title.setFont(new Font("Segoe UI Semibold", Font.PLAIN, 30));
+        title.setForeground(new Color(238, 244, 255));
+
+        JPanel textStack = new JPanel();
+        textStack.setLayout(new BoxLayout(textStack, BoxLayout.Y_AXIS));
+        textStack.setOpaque(false);
+        title.setAlignmentX(Component.LEFT_ALIGNMENT);
+        textStack.add(title);
+        textStack.add(Box.createVerticalStrut(4));
+
+        header.add(textStack, BorderLayout.WEST);
+        header.add(createDashboardToggleButton(), BorderLayout.EAST);
+
+        return header;
+    }
+
     /**
      * Creates the status bar with MQTT and problem-level indicators.
      *
@@ -86,18 +173,18 @@ public class AppWindow extends JFrame {
      */
     private JPanel createStatusBar() {
 
-        JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT,15,5));
+        JPanel statusBar = new JPanel(new FlowLayout(FlowLayout.LEFT, 12, 8));
+        statusBar.setBackground(new Color(13, 16, 23));
 
         statusBar.setBorder(BorderFactory.createCompoundBorder(
-                BorderFactory.createMatteBorder(1,0,0,0, Color.LIGHT_GRAY),
-                BorderFactory.createEmptyBorder(5,10,5,10)
+                BorderFactory.createMatteBorder(1, 0, 0, 0, new Color(54, 64, 78)),
+                BorderFactory.createEmptyBorder(6, 12, 8, 12)
         ));
 
-        mqttStatusLabel = new JLabel("MQTT: Disconnected");
-        problemLevelLabel = new JLabel("Problem: NONE");
+        mqttStatusLabel = createStatusChip("MQTT: Disconnected");
+        problemLevelLabel = createStatusChip("Problem: NONE");
 
         statusBar.add(mqttStatusLabel);
-        statusBar.add(new JLabel(" | "));
         statusBar.add(problemLevelLabel);
 
         return statusBar;
@@ -109,8 +196,11 @@ public class AppWindow extends JFrame {
      * @param connected whether MQTT is currently connected
      */
     public void updateMqttStatus(boolean connected) {
-        mqttStatusLabel.setText("MQTT: " +
-                (connected ? "Connected" : "Disconnected"));
+        mqttStatusLabel.setText("MQTT: "
+                + (connected ? "Connected" : "Disconnected"));
+        mqttStatusLabel.setBackground(
+                connected ? new Color(30, 101, 70) : new Color(108, 47, 47)
+        );
     }
 
     /**
@@ -120,6 +210,7 @@ public class AppWindow extends JFrame {
      */
     public void updateProblemLevel(String level) {
         problemLevelLabel.setText("Problem: " + level);
+        problemLevelLabel.setBackground(getProblemChipColor(level));
     }
 
     /**
@@ -149,6 +240,160 @@ public class AppWindow extends JFrame {
         return tabs;
     }
 
+    /**
+     * Creates a panel with a subtle border and dark background.
+     *
+     * @return styled card panel
+     */
+    private JPanel createCardPanel() {
+        JPanel card = new JPanel();
+        card.setOpaque(true);
+        card.setBackground(new Color(24, 31, 41));
+        card.setBorder(BorderFactory.createCompoundBorder(
+                BorderFactory.createLineBorder(new Color(61, 74, 92)),
+                BorderFactory.createEmptyBorder(12, 12, 12, 12)
+        ));
+        return card;
+    }
+
+    /**
+     * Creates a section heading with title and subtitle text.
+     *
+     * @param title section title
+     * @param subtitle section subtitle
+     * @return heading panel
+     */
+    private JPanel createSectionHeader(String title, String subtitle) {
+        JPanel panel = new JPanel();
+        panel.setOpaque(false);
+        panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
+
+        JLabel titleLabel = new JLabel(title);
+        titleLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        titleLabel.setFont(new Font("Segoe UI Semibold", Font.PLAIN, 20));
+        titleLabel.setForeground(new Color(233, 241, 255));
+
+        JLabel subtitleLabel = new JLabel(subtitle);
+        subtitleLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
+        subtitleLabel.setFont(new Font("Segoe UI", Font.PLAIN, 13));
+        subtitleLabel.setForeground(new Color(143, 159, 182));
+
+        panel.add(titleLabel);
+        panel.add(Box.createVerticalStrut(2));
+        panel.add(subtitleLabel);
+
+        return panel;
+    }
+
+    /**
+     * Creates one status label used in the bottom status bar.
+     *
+     * @param text initial status text
+     * @return styled status label
+     */
+    private JLabel createStatusChip(String text) {
+        JLabel label = new JLabel(text);
+        label.setOpaque(true);
+        label.setFont(new Font("Segoe UI Semibold", Font.PLAIN, 14));
+        label.setForeground(new Color(237, 244, 255));
+        label.setBackground(new Color(56, 66, 83));
+        label.setBorder(BorderFactory.createEmptyBorder(5, 12, 5, 12));
+        return label;
+    }
+
+    /**
+     * Returns a status chip background color for the current problem level.
+     *
+     * @param level problem level name
+     * @return matching background color
+     */
+    private Color getProblemChipColor(String level) {
+        if (level == null) {
+            return new Color(56, 66, 83);
+        }
+
+        String normalized = level.trim().toUpperCase(Locale.ROOT);
+
+        switch (normalized) {
+            case "WARNING":
+                return new Color(134, 104, 29);
+            case "HIGH":
+                return new Color(168, 92, 31);
+            case "DISASTER":
+                return new Color(140, 49, 49);
+            default:
+                return new Color(46, 99, 61);
+        }
+    }
+
+    /**
+     * Creates the button used to toggle dashboard visibility.
+     *
+     * @return configured toggle button
+     */
+    private JToggleButton createDashboardToggleButton() {
+        dashboardToggleButton = new JToggleButton("Dashboard einblenden");
+        dashboardToggleButton.setFocusable(false);
+        dashboardToggleButton.setFont(new Font("Segoe UI Semibold", Font.PLAIN, 14));
+        dashboardToggleButton.setForeground(new Color(233, 241, 255));
+        dashboardToggleButton.setBackground(new Color(39, 77, 57));
+        dashboardToggleButton.setBorder(BorderFactory.createEmptyBorder(8, 14, 8, 14));
+        dashboardToggleButton.addActionListener(
+                event -> setDashboardVisible(dashboardToggleButton.isSelected())
+        );
+        return dashboardToggleButton;
+    }
+
+    /**
+     * Shows or hides the dashboard side panel in drive view.
+     *
+     * @param visible whether dashboard should be visible
+     */
+    private void setDashboardVisible(boolean visible) {
+        if (driveSplitPane == null || dashboardCard == null || dashboardToggleButton == null) {
+            return;
+        }
+
+        dashboardCard.setVisible(visible);
+        driveSplitPane.setDividerSize(visible ? EXPANDED_DIVIDER_SIZE : 0);
+
+        if (visible) {
+            dashboardToggleButton.setSelected(true);
+            dashboardToggleButton.setText("Dashboard ausblenden");
+            dashboardToggleButton.setBackground(new Color(69, 86, 109));
+
+            SwingUtilities.invokeLater(() -> {
+                int width = driveSplitPane.getWidth();
+                if (width <= 0) {
+                    driveSplitPane.setDividerLocation(0.72);
+                    return;
+                }
+
+                int dividerLocation = Math.max(
+                        (int) (width * 0.55),
+                        width - EXPANDED_DASHBOARD_WIDTH
+                );
+                driveSplitPane.setDividerLocation(dividerLocation);
+            });
+        } else {
+            dashboardToggleButton.setSelected(false);
+            dashboardToggleButton.setText("Dashboard einblenden");
+            dashboardToggleButton.setBackground(new Color(39, 77, 57));
+
+            SwingUtilities.invokeLater(() -> {
+                int width = driveSplitPane.getWidth();
+                if (width > 0) {
+                    driveSplitPane.setDividerLocation(width);
+                } else {
+                    driveSplitPane.setDividerLocation(1.0d);
+                }
+            });
+        }
+
+        driveSplitPane.revalidate();
+        driveSplitPane.repaint();
+    }
+
     /**
      * Trims a config value and strips optional wrapping quotes.
      *

src/main/java/vassistent/ui/DashboardView.java

@@ -12,18 +12,15 @@ import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
 import org.jfree.chart.ui.Layer;
 import org.jfree.chart.ui.RectangleAnchor;
 import org.jfree.chart.ui.TextAnchor;
-import org.jfree.data.category.DefaultCategoryDataset;
 import org.jfree.data.time.Millisecond;
 import org.jfree.data.time.TimeSeries;
 import org.jfree.data.time.TimeSeriesCollection;
-import vassistent.model.ProblemLevel;
 import vassistent.model.RatioPoint;
 
 import javax.swing.*;
 import java.awt.*;
-import java.sql.Timestamp;
+import java.text.SimpleDateFormat;
 import java.time.ZoneId;
-import java.util.Arrays;
 import java.util.Date;
 import java.util.List;
 
@@ -42,28 +39,30 @@ public class DashboardView extends JPanel {
      * Creates the dashboard panel with problem-level bar and time-series chart.
      */
     public DashboardView() {
-        setLayout(new BorderLayout());
-        setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
+        setLayout(new BorderLayout(0, 12));
+        setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
         setOpaque(false);
 
-        JPanel card = new JPanel(new BorderLayout(10,10));
-        card.setBorder(BorderFactory.createEmptyBorder(10,10,10,10));
-
-        card.setBackground(UIManager.getColor("Panel.background"));
+        JPanel card = new JPanel(new BorderLayout(0, 14));
+        card.setBackground(new Color(22, 28, 37));
         card.setOpaque(true);
-
         card.setBorder(BorderFactory.createCompoundBorder(
                 BorderFactory.createLineBorder(
-                        UIManager.getColor("Component.borderColor")
+                        new Color(58, 72, 90)
                 ),
-                BorderFactory.createEmptyBorder(12,12,12,12)
+                BorderFactory.createEmptyBorder(14, 14, 14, 14)
         ));
 
         // ---------- TOP: Problem Level ----------
-        JPanel topWrapper = new JPanel(new BorderLayout());
-        topWrapper.setBorder(BorderFactory.createEmptyBorder(0,0,10,0));
+        JPanel topWrapper = new JPanel(new BorderLayout(0, 8));
+        topWrapper.setBorder(BorderFactory.createEmptyBorder(0, 0, 8, 0));
         topWrapper.setOpaque(false);
 
+        JLabel topLabel = new JLabel("Current Risk Level");
+        topLabel.setFont(new Font("Segoe UI Semibold", Font.PLAIN, 24));
+        topLabel.setForeground(new Color(230, 237, 249));
+        topWrapper.add(topLabel, BorderLayout.NORTH);
+
         levelBar = new ProblemLevelBar();
         topWrapper.add(levelBar, BorderLayout.CENTER);
 
@@ -83,21 +82,28 @@ public class DashboardView extends JPanel {
         );
 
         XYPlot plot = chart.getXYPlot();
+        chart.setBackgroundPaint(new Color(22, 28, 37));
+        chart.getTitle().setPaint(new Color(222, 231, 245));
+        chart.getTitle().setFont(new Font("Segoe UI Semibold", Font.PLAIN, 16));
 
         long tenMinutes = 10 * 60 * 1000L;
 
         DateAxis domainAxis = (DateAxis) plot.getDomainAxis();
-
         domainAxis.setFixedAutoRange(tenMinutes);
         domainAxis.setAutoRange(true);
+        domainAxis.setDateFormatOverride(new SimpleDateFormat("HH:mm:ss"));
+        domainAxis.setLabelPaint(new Color(170, 185, 208));
+        domainAxis.setTickLabelPaint(new Color(170, 185, 208));
+        domainAxis.setTickMarkPaint(new Color(89, 105, 128));
 
         XYLineAndShapeRenderer renderer =
                 (XYLineAndShapeRenderer) plot.getRenderer();
 
         renderer.setDefaultShapesVisible(false);
+        renderer.setSeriesPaint(0, new Color(67, 175, 255));
         renderer.setSeriesStroke(0,
                 new BasicStroke(
-                        2.5f,
+                        3.0f,
                         BasicStroke.CAP_ROUND,
                         BasicStroke.JOIN_ROUND
                 ));
@@ -110,14 +116,25 @@ public class DashboardView extends JPanel {
         chart.getXYPlot().getRangeAxis().setRange(0.0, 1.02);
         NumberAxis rangeAxis = (NumberAxis) chart.getXYPlot().getRangeAxis();
         rangeAxis.setTickUnit(new NumberTickUnit(0.1));
+        rangeAxis.setLabelPaint(new Color(170, 185, 208));
+        rangeAxis.setTickLabelPaint(new Color(170, 185, 208));
+        rangeAxis.setTickMarkPaint(new Color(89, 105, 128));
+
+        plot.setBackgroundPaint(new Color(16, 20, 27));
+        plot.setOutlineVisible(false);
+        plot.setRangeGridlinePaint(new Color(89, 105, 128, 120));
+        plot.setDomainGridlinePaint(new Color(89, 105, 128, 120));
 
         chart.setAntiAlias(true);
         chart.setTextAntiAlias(true);
-        chart.getPlot().setBackgroundPaint(new Color(245,245,245));
-        chart.getPlot().setOutlineVisible(false);
 
         ChartPanel chartPanel = new ChartPanel(chart);
-        chartPanel.setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+        chartPanel.setOpaque(false);
+        chartPanel.setBackground(new Color(16, 20, 27));
+        chartPanel.setBorder(BorderFactory.createCompoundBorder(
+                BorderFactory.createLineBorder(new Color(58, 72, 90)),
+                BorderFactory.createEmptyBorder(8, 8, 8, 8)
+        ));
 
         card.add(chartPanel, BorderLayout.CENTER);
 
@@ -188,7 +205,7 @@ public class DashboardView extends JPanel {
 
         ValueMarker marker = new ValueMarker(value);
 
-        marker.setPaint(new Color(150,150,150,150));
+        marker.setPaint(getThresholdColor(label));
 
         float[] dash = {6.0f, 6.0f};
         marker.setStroke(new BasicStroke(
@@ -201,12 +218,31 @@ public class DashboardView extends JPanel {
         ));
 
         marker.setLabel(label);
-        marker.setLabelFont(new Font("Segoe UI", Font.PLAIN, 11));
-        marker.setLabelPaint(new Color(160,160,160));
+        marker.setLabelFont(new Font("Segoe UI Semibold", Font.PLAIN, 12));
+        marker.setLabelPaint(new Color(188, 203, 223));
 
         marker.setLabelAnchor(RectangleAnchor.RIGHT);
         marker.setLabelTextAnchor(TextAnchor.TOP_RIGHT);
 
         plot.addRangeMarker(marker, Layer.BACKGROUND);
     }
+
+    /**
+     * Returns a distinct marker color for each threshold level.
+     *
+     * @param label threshold label
+     * @return translucent marker color
+     */
+    private Color getThresholdColor(String label) {
+        switch (label) {
+            case "Warning":
+                return new Color(255, 210, 69, 165);
+            case "High":
+                return new Color(255, 153, 65, 170);
+            case "Disaster":
+                return new Color(255, 92, 92, 175);
+            default:
+                return new Color(168, 178, 194, 140);
+        }
+    }
 }

src/main/java/vassistent/ui/PixelStreamingView.java

@@ -8,8 +8,6 @@ import org.cef.handler.CefAppHandlerAdapter;
 
 import javax.swing.*;
 import java.awt.*;
-import java.awt.event.ActionEvent;
-import java.awt.event.ActionListener;
 
 /**
  * Embedded JCEF browser panel used to display the avatar pixel stream.
@@ -31,7 +29,9 @@ public class PixelStreamingView extends JPanel {
      */
     public PixelStreamingView(String startURL, boolean useOSR, boolean isTransparent) {
         super(new BorderLayout());
-        
+        setOpaque(true);
+        setBackground(new Color(8, 11, 16));
+
         CefApp.addAppHandler(new CefAppHandlerAdapter(null) {
             /**
              * Handles JCEF application state transitions.
@@ -55,7 +55,16 @@ public class PixelStreamingView extends JPanel {
         browser = client.createBrowser(startURL, useOSR, isTransparent);
         browserUI_ = browser.getUIComponent();
 
-        add(browserUI_, BorderLayout.CENTER);
+        JPanel browserContainer = new JPanel(new BorderLayout());
+        browserContainer.setOpaque(true);
+        browserContainer.setBackground(new Color(6, 9, 14));
+        browserContainer.setBorder(BorderFactory.createCompoundBorder(
+                BorderFactory.createLineBorder(new Color(56, 68, 86)),
+                BorderFactory.createEmptyBorder(6, 6, 6, 6)
+        ));
+        browserContainer.add(browserUI_, BorderLayout.CENTER);
+
+        add(browserContainer, BorderLayout.CENTER);
     }
     
     /**

src/main/java/vassistent/ui/ProblemLevelBar.java

@@ -17,9 +17,10 @@ public class ProblemLevelBar extends JPanel {
      * Creates the level bar component with preferred sizing and transparent background.
      */
     public ProblemLevelBar() {
-        setPreferredSize(new Dimension(100, 50));
+        setPreferredSize(new Dimension(420, 88));
+        setMinimumSize(new Dimension(320, 72));
         setOpaque(false);
-        setBorder(BorderFactory.createEmptyBorder(5,5,5,5));
+        setBorder(BorderFactory.createEmptyBorder(8, 8, 8, 8));
     }
 
     /**
@@ -66,47 +67,45 @@ public class ProblemLevelBar extends JPanel {
         Graphics2D g2 = (Graphics2D) g;
         g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                 RenderingHints.VALUE_ANTIALIAS_ON);
+        g2.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
+                RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
 
-        // --- Hintergrund ---
-        GradientPaint bg = new GradientPaint(
-                0, 0, new Color(235,235,235),
-                0, height, new Color(210,210,210)
+        int arc = Math.max(22, height / 2);
+
+        GradientPaint trackGradient = new GradientPaint(
+                0, 0, new Color(51, 60, 76),
+                0, height, new Color(29, 36, 48)
         );
+        g2.setPaint(trackGradient);
+        g2.fillRoundRect(0, 0, width, height, arc, arc);
 
-        g2.setPaint(bg);
-        g2.fillRoundRect(0, 0, width, height, 20, 20);
-
-        // --- Gefüllter Bereich ---
         int filledWidth = (int) (width * ratio);
+        if (filledWidth > 0) {
+            filledWidth = Math.max(filledWidth, arc / 2);
+        }
 
         Color baseColor = getColorForLevel(level);
-        Color darkerColor = baseColor.darker();
-
-        GradientPaint gradient = new GradientPaint(
-                0, 0, darkerColor,
-                filledWidth, 0, baseColor
+        GradientPaint fillGradient = new GradientPaint(
+                0, 0, baseColor.darker(),
+                Math.max(1, filledWidth), 0, baseColor
         );
-
-        g2.setPaint(gradient);
-        g2.fillRoundRect(0, 0, filledWidth, height, 20, 20);
+        g2.setPaint(fillGradient);
+        g2.fillRoundRect(0, 0, filledWidth, height, arc, arc);
 
         g2.setStroke(new BasicStroke(2f));
-        g2.setColor(baseColor.brighter());
-        g2.drawRoundRect(1,1,width-2,height-2,20,20);
+        g2.setColor(new Color(175, 190, 212));
+        g2.drawRoundRect(1, 1, width - 2, height - 2, arc, arc);
 
-        // --- Text ---
-        String text = level.name() + "  (" + (int)(ratio * 100) + "%)";
-
-        g2.setColor(Color.BLACK);
+        String text = "Problem " + level.name() + "  " + (int) (ratio * 100) + "%";
+        g2.setFont(new Font("Segoe UI Semibold",
+                Font.PLAIN,
+                Math.max(19, (int) (height * 0.33))));
+        g2.setColor(new Color(244, 248, 255));
 
         FontMetrics fm = g2.getFontMetrics();
-        int textWidth = fm.stringWidth(text);
-
-        g2.drawString(
-                text,
-                (width - textWidth) / 2,
-                (height + fm.getAscent()) / 2 - 3
-        );
+        int textX = (width - fm.stringWidth(text)) / 2;
+        int textY = (height - fm.getHeight()) / 2 + fm.getAscent();
+        g2.drawString(text, textX, textY);
     }
 
     /**
@@ -118,13 +117,13 @@ public class ProblemLevelBar extends JPanel {
     private Color getColorForLevel(ProblemLevel level) {
         switch (level) {
             case DISASTER:
-                return new Color(200, 0, 0);
+                return new Color(214, 70, 70);
             case HIGH:
-                return new Color(255, 140, 0);
+                return new Color(234, 134, 45);
             case WARNING:
-                return new Color(255, 215, 0);
+                return new Color(219, 180, 52);
             default:
-                return new Color(0, 170, 0);
+                return new Color(53, 178, 107);
         }
     }
 }