diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7d53e2f..ea93824 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,14 +1,36 @@
-cmake_minimum_required(VERSION 3.21)
-project(WasmWebSocketClient LANGUAGES CXX)
+cmake_minimum_required(VERSION 3.16)
+project(wsapp VERSION 1.0 LANGUAGES CXX)
 
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_AUTOMOC ON)
 
-find_package(Qt6 REQUIRED COMPONENTS Core Gui Widgets WebSockets)
+find_package(Qt6 REQUIRED COMPONENTS Core Widgets WebSockets)
 
-qt_standard_project_setup()
+qt_add_executable(wsapp
+    main.cpp
+    GamesPanel.cpp          GamesPanel.h
+    LogPanel.cpp            LogPanel.h
+    PowerPanel.cpp          PowerPanel.h
+    SettingsTree.cpp        SettingsTree.h
+    VersionsPanel.cpp       VersionsPanel.h
+    WebSocketController.cpp WebSocketController.h
+)
 
-qt_add_executable(WasmWebSocketClient main.cpp)
+target_link_libraries(wsapp PRIVATE
+    Qt6::Core
+    Qt6::Widgets
+    Qt6::WebSockets
+)
 
-target_link_libraries(WasmWebSocketClient
-    PRIVATE Qt6::Core Qt6::Gui Qt6::Widgets Qt6::WebSockets)
+if(EMSCRIPTEN)
+    set_target_properties(wsapp PROPERTIES
+        WIN32_EXECUTABLE TRUE
+        QT_WASM_INITIAL_MEMORY "50MB"
+        QT_WASM_MAX_MEMORY     "1GB"
+    )
+    target_link_options(wsapp PRIVATE
+        "SHELL:-s ASYNCIFY=1"
+        "SHELL:-s ASYNCIFY_STACK_SIZE=65536"
+    )
+endif()
diff --git a/LogPanel.cpp b/LogPanel.cpp
new file mode 100644
index 0000000..22d6c31
--- /dev/null
+++ b/LogPanel.cpp
@@ -0,0 +1,112 @@
+#include "LogPanel.h"
+#include "WebSocketController.h"
+
+#include <QCheckBox>
+#include <QGridLayout>
+#include <QHBoxLayout>
+#include <QPushButton>
+#include <QScrollArea>
+#include <QVBoxLayout>
+
+static const QStringList k_logNames = {
+    "Wireless", "DataBase", "GenericControllers", "ControlPanelRxBusy",
+    "ErrorChecker", "Main", "PowerControl", "Radar", "LogSerial",
+    "GameEventHandler", "GameScript", "userList", "SecondarySystems",
+    "Sounds", "Games", "SecureSocketComms", "CurrentLimit",
+    "TimerDisplay", "Wall:Controlmessages", "PowerOffTimer", "LogMaster",
+    "Wall:Sensingsystem", "Globals", "GameTimer", "Nfc", "ControlPanelTx",
+    "Targetsystem", "GameBase", "LogSyncMessages", "MasterController",
+    "Wall:Buttons", "ControlPanelRx", "PowerStateChange", "SecureSocket",
+    "Authentication", "UplinkComms", "Resources", "GameCounter",
+    "StripInterface", "Uplink", "Wall:Datarequests", "Wirelesswall",
+    "BeamBreakers", "WebSocketServer", "Wall:Targetdrawing",
+    "LoopTestMessages", "Gps", "LoopMessages", "NfcRemote",
+    "LogLoopErrors"
+};
+
+LogPanel::LogPanel(WebSocketController *ctrl, QWidget *parent)
+    : QWidget(parent), m_ctrl(ctrl)
+{
+    auto *outer = new QVBoxLayout(this);
+    outer->setContentsMargins(6, 6, 6, 6);
+    outer->setSpacing(6);
+
+    auto *toolbar = new QHBoxLayout();
+    auto *refreshBtn = new QPushButton("Refresh", this);
+    auto *allOnBtn   = new QPushButton("All On", this);
+    auto *allOffBtn  = new QPushButton("All Off", this);
+    toolbar->addWidget(refreshBtn);
+    toolbar->addWidget(allOnBtn);
+    toolbar->addWidget(allOffBtn);
+    toolbar->addStretch(1);
+    outer->addLayout(toolbar);
+
+    auto *scroll = new QScrollArea(this);
+    scroll->setWidgetResizable(true);
+    auto *inner = new QWidget(scroll);
+    auto *grid = new QGridLayout(inner);
+    grid->setSpacing(4);
+    grid->setContentsMargins(4, 4, 4, 4);
+
+    const int cols = 4;
+    for (int i = 0; i < k_logNames.size(); ++i) {
+        const QString &name = k_logNames[i];
+        auto *cb = new QCheckBox(name, inner);
+        m_checkboxes[name] = cb;
+        grid->addWidget(cb, i / cols, i % cols);
+
+        connect(cb, &QCheckBox::toggled, this, [this, name](bool checked) {
+            onCheckboxToggled(name, checked);
+        });
+    }
+
+    scroll->setWidget(inner);
+    outer->addWidget(scroll, 1);
+
+    connect(refreshBtn, &QPushButton::clicked, this, &LogPanel::requestRefresh);
+    connect(allOnBtn, &QPushButton::clicked, this, [this]() {
+        for (auto *cb : m_checkboxes)
+            cb->setChecked(true);
+    });
+    connect(allOffBtn, &QPushButton::clicked, this, [this]() {
+        for (auto *cb : m_checkboxes)
+            cb->setChecked(false);
+    });
+}
+
+void LogPanel::requestRefresh()
+{
+    if (m_ctrl)
+        m_ctrl->sendCommand(QStringLiteral("LOG"));
+}
+
+void LogPanel::onCheckboxToggled(const QString &name, bool checked)
+{
+    if (!m_ctrl)
+        return;
+
+    const QString state = checked ? "on" : "off";
+    m_ctrl->sendCommand(QString("LOG %1=%2").arg(name, state));
+    m_ctrl->sendCommand(QStringLiteral("LOG"));
+}
+
+void LogPanel::applyLogResponse(const QString &msg)
+{
+    for (auto *cb : m_checkboxes)
+        cb->blockSignals(true);
+
+    for (auto *cb : m_checkboxes)
+        cb->setChecked(false);
+
+    const QStringList tokens = msg.split(' ', Qt::SkipEmptyParts);
+    for (int i = 1; i < tokens.size(); ++i) {
+        const QString &tok = tokens[i];
+        const bool isOn = tok.endsWith('*');
+        const QString name = isOn ? tok.chopped(1) : tok;
+        if (m_checkboxes.contains(name))
+            m_checkboxes[name]->setChecked(isOn);
+    }
+
+    for (auto *cb : m_checkboxes)
+        cb->blockSignals(false);
+}
diff --git a/LogPanel.h b/LogPanel.h
new file mode 100644
index 0000000..d5ba0e7
--- /dev/null
+++ b/LogPanel.h
@@ -0,0 +1,23 @@
+#pragma once
+#include <QWidget>
+#include <QMap>
+
+class QCheckBox;
+class WebSocketController;
+
+class LogPanel : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit LogPanel(WebSocketController *ctrl, QWidget *parent = nullptr);
+    void applyLogResponse(const QString &msg);
+
+private slots:
+    void onCheckboxToggled(const QString &name, bool checked);
+
+private:
+    void requestRefresh();
+
+    WebSocketController       *m_ctrl = nullptr;
+    QMap<QString, QCheckBox*>  m_checkboxes;
+};
diff --git a/PowerPanel.cpp b/PowerPanel.cpp
new file mode 100644
index 0000000..1921dd5
--- /dev/null
+++ b/PowerPanel.cpp
@@ -0,0 +1,127 @@
+#include "PowerPanel.h"
+
+#include <QFrame>
+#include <QLabel>
+#include <QVBoxLayout>
+
+static QLabel *makeRow(QWidget *parent)
+{
+    auto *l = new QLabel(parent);
+    l->setStyleSheet("font-size: 11pt; padding: 2px 0px;");
+    return l;
+}
+
+PowerPanel::PowerPanel(QWidget *parent) : QWidget(parent)
+{
+    auto *outer = new QVBoxLayout(this);
+    outer->setContentsMargins(10, 10, 10, 10);
+    outer->setSpacing(2);
+
+    auto *heading = new QLabel("Status:", this);
+    QFont hf = heading->font();
+    hf.setBold(true);
+    hf.setPointSize(10);
+    heading->setFont(hf);
+    outer->addWidget(heading);
+
+    auto *line = new QFrame(this);
+    line->setFrameShape(QFrame::HLine);
+    line->setFrameShadow(QFrame::Sunken);
+    outer->addWidget(line);
+
+    m_statusLabel   = makeRow(this);
+    m_supplyLabel   = makeRow(this);
+    m_externalLabel = makeRow(this);
+    m_ratedLabel    = makeRow(this);
+    m_batt1Label    = makeRow(this);
+    m_batt2Label    = makeRow(this);
+    m_batt3Label    = makeRow(this);
+
+    outer->addWidget(m_statusLabel);
+    outer->addWidget(m_supplyLabel);
+    outer->addWidget(m_externalLabel);
+    outer->addWidget(m_ratedLabel);
+    outer->addWidget(m_batt1Label);
+    outer->addWidget(m_batt2Label);
+    outer->addWidget(m_batt3Label);
+    outer->addStretch(1);
+
+    reset();
+}
+
+void PowerPanel::reset()
+{
+    const QString style = "font-size: 11pt; padding: 2px 0px;";
+    m_statusLabel  ->setText("Connection status: --"); m_statusLabel  ->setStyleSheet(style);
+    m_supplyLabel  ->setText("Supply voltage: --");    m_supplyLabel  ->setStyleSheet(style);
+    m_externalLabel->setText("External voltage: --");  m_externalLabel->setStyleSheet(style);
+    m_ratedLabel   ->setText("Rated voltage: --");     m_ratedLabel   ->setStyleSheet(style);
+    m_batt1Label   ->setText("Battery 1 voltage: --"); m_batt1Label   ->setStyleSheet(style);
+    m_batt2Label   ->setText("Battery 2 voltage: --"); m_batt2Label   ->setStyleSheet(style);
+    m_batt3Label   ->setText("Battery 3 voltage: --"); m_batt3Label   ->setStyleSheet(style);
+}
+
+// #P0-P STA ext
+void PowerPanel::setStatus(const QString &raw)
+{
+    applyLabel(m_statusLabel,
+               QString("Connection status: %1").arg(statusText(raw)),
+               statusColour(raw));
+}
+
+// #P0-P RTV 14.00
+void PowerPanel::setRatedVoltage(const QString &v)
+{
+    applyLabel(m_ratedLabel, QString("Rated voltage: %1 V").arg(v), "#2196a0");
+}
+
+// #P0-P VTG supply ext batt1 batt2 batt3
+void PowerPanel::setVoltages(const QStringList &v)
+{
+    auto set = [&](QLabel *l, const QString &prefix, int idx) {
+        if (idx >= v.size()) return;
+        applyLabel(l, QString("%1: %2 V").arg(prefix, v[idx]), voltColour(v[idx]));
+    };
+    set(m_supplyLabel,   "Supply voltage",    0);
+    set(m_externalLabel, "External voltage",  1);
+    set(m_batt1Label,    "Battery 1 voltage", 2);
+    set(m_batt2Label,    "Battery 2 voltage", 3);
+    set(m_batt3Label,    "Battery 3 voltage", 4);
+}
+
+void PowerPanel::applyLabel(QLabel *l, const QString &text, const QString &colour)
+{
+    l->setText(text);
+    l->setStyleSheet(QString("font-size: 11pt; padding: 2px 0px; color: %1;").arg(colour));
+}
+
+QString PowerPanel::statusText(const QString &raw) const
+{
+    if (raw == "ext")  return "External supply";
+    if (raw == "bat")  return "Battery";
+    if (raw == "low")  return "Battery low";
+    if (raw == "crit") return "Battery critical";
+    if (raw == "off")  return "Off";
+    return raw;
+}
+
+QString PowerPanel::statusColour(const QString &raw) const
+{
+    if (raw == "ext")  return "#2e7d32";
+    if (raw == "bat")  return "#1565c0";
+    if (raw == "low")  return "#e65100";
+    if (raw == "crit") return "#c62828";
+    if (raw == "off")  return "#888888";
+    return "#888888";
+}
+
+QString PowerPanel::voltColour(const QString &val) const
+{
+    bool ok = false;
+    const double d = val.toDouble(&ok);
+    if (!ok)       return "palette(text)";
+    if (d > 10.0)  return "#2e7d32";
+    if (d >  5.0)  return "#e65100";
+    if (d >  0.01) return "#c62828";
+    return "#888888";
+}
diff --git a/PowerPanel.h b/PowerPanel.h
new file mode 100644
index 0000000..1de24de
--- /dev/null
+++ b/PowerPanel.h
@@ -0,0 +1,29 @@
+#pragma once
+#include <QWidget>
+
+class QLabel;
+
+class PowerPanel : public QWidget
+{
+    Q_OBJECT
+public:
+    explicit PowerPanel(QWidget *parent = nullptr);
+    void reset();
+    void setStatus(const QString &raw);
+    void setRatedVoltage(const QString &v);
+    void setVoltages(const QStringList &v);
+
+private:
+    QString statusText(const QString &raw) const;
+    QString statusColour(const QString &raw) const;
+    QString voltColour(const QString &val) const;
+    void    applyLabel(QLabel *l, const QString &text, const QString &colour);
+
+    QLabel *m_statusLabel   = nullptr;
+    QLabel *m_supplyLabel   = nullptr;
+    QLabel *m_externalLabel = nullptr;
+    QLabel *m_ratedLabel    = nullptr;
+    QLabel *m_batt1Label    = nullptr;
+    QLabel *m_batt2Label    = nullptr;
+    QLabel *m_batt3Label    = nullptr;
+};
diff --git a/WebSocketController.cpp b/WebSocketController.cpp
index 493a801..9525e85 100644
--- a/WebSocketController.cpp
+++ b/WebSocketController.cpp
@@ -1,5 +1,7 @@
 #include "WebSocketController.h"
 #include "GamesPanel.h"
+#include "LogPanel.h"
+#include "PowerPanel.h"
 #include "SettingsTree.h"
 #include "VersionsPanel.h"
 
@@ -15,6 +17,7 @@ WebSocketController::WebSocketController(QLineEdit *urlEdit,
 {}
 
 QWebSocket *WebSocketController::socket() { return &m_socket; }
+
 void WebSocketController::addLogView(QTextEdit *log) { m_logs.append(log); }
 
 void WebSocketController::setSettingsTree(SettingsTree *tree)
@@ -26,49 +29,14 @@ void WebSocketController::setSettingsTree(SettingsTree *tree)
 
 void WebSocketController::setGamesPanel(GamesPanel *panel)       { m_gamesPanel    = panel; }
 void WebSocketController::setVersionsPanel(VersionsPanel *panel) { m_versionsPanel = panel; }
+void WebSocketController::setPowerPanel(PowerPanel *panel)       { m_powerPanel    = panel; }
+void WebSocketController::setLogPanel(LogPanel *panel)         { m_logPanel     = panel; }
 
 bool WebSocketController::isConnected() const
 {
     return m_socket.state() == QAbstractSocket::ConnectedState;
 }
 
-// ----------------------------------------------------------------
-// Lazy loaders — called ONLY when user clicks a tab for first time
-// ----------------------------------------------------------------
-
-void WebSocketController::requestGamesData()
-{
-    if (!isConnected() || m_gamesRequested) return;
-    m_gamesRequested = true;
-    broadcast("-- Loading games tab --");
-    sendCommand(QStringLiteral("GAM list"));
-}
-
-void WebSocketController::requestVersionsData()
-{
-    if (!isConnected() || m_versionsRequested) return;
-    m_versionsRequested = true;
-    broadcast("-- Loading versions tab --");
-    sendCommand(QStringLiteral("NAM"));
-    sendCommand(QStringLiteral("VER"));
-    sendCommand(QStringLiteral("UID"));
-    sendCommand(QStringLiteral("RNP"));
-    // Slave VER/UID loop fires in handleProtocol when RNP reply arrives
-}
-
-void WebSocketController::requestSettingsData()
-{
-    if (!isConnected() || m_settingsRequested) return;
-    m_settingsRequested = true;
-    broadcast("-- Loading settings tab --");
-    sendCommand(QStringLiteral("GBL List"));
-    // Individual GBL <key> loop fires in handleProtocol when List reply arrives
-}
-
-// ----------------------------------------------------------------
-// Connection
-// ----------------------------------------------------------------
-
 void WebSocketController::startConnection()
 {
     const QUrl url(m_urlEdit->text().trimmed());
@@ -82,11 +50,9 @@ void WebSocketController::closeConnection()
 {
     broadcast("Closing connection");
     m_settingsKeys.clear();
-    m_rnpCount           = -1;
-    m_gamesRequested     = false;
-    m_versionsRequested  = false;
-    m_settingsRequested  = false;
+    m_rnpCount = -1;
     if (m_versionsPanel) m_versionsPanel->reset();
+    if (m_powerPanel)    m_powerPanel->reset();
     m_socket.close();
 }
 
@@ -99,13 +65,20 @@ void WebSocketController::sendCommand(const QString &cmd)
 
 void WebSocketController::onConnected()
 {
-    // Send NOTHING here — all data is lazy-loaded on tab click
     broadcast("Connected");
     m_statusLabel->setText("Connected");
-    m_rnpCount          = -1;
-    m_gamesRequested    = false;
-    m_versionsRequested = false;
-    m_settingsRequested = false;
+    m_rnpCount = -1;
+
+    sendCommand(QStringLiteral("GBL List"));
+    sendCommand(QStringLiteral("GAM list"));
+    sendCommand(QStringLiteral("NAM"));
+    sendCommand(QStringLiteral("VER"));
+    sendCommand(QStringLiteral("UID"));
+    sendCommand(QStringLiteral("RNP"));
+    sendCommand(QStringLiteral("#P0-P STA"));
+    sendCommand(QStringLiteral("#P0-P RTV"));
+    sendCommand(QStringLiteral("#P0-P VTG"));
+    sendCommand(QStringLiteral("LOG"));
 }
 
 void WebSocketController::onDisconnected()
@@ -113,10 +86,7 @@ void WebSocketController::onDisconnected()
     broadcast("Disconnected");
     m_statusLabel->setText("Disconnected");
     m_settingsKeys.clear();
-    m_rnpCount          = -1;
-    m_gamesRequested    = false;
-    m_versionsRequested = false;
-    m_settingsRequested = false;
+    m_rnpCount = -1;
 }
 
 void WebSocketController::onTextMessageReceived(const QString &msg)
@@ -137,37 +107,54 @@ void WebSocketController::onValueEdited(const QString &key, const QString &newVa
     sendCommand(QString("GBL %1").arg(key));
 }
 
-// ----------------------------------------------------------------
-// Protocol handler
-// ----------------------------------------------------------------
-
 void WebSocketController::handleProtocol(const QString &msg)
 {
     const QStringList tokens = msg.split(' ', Qt::SkipEmptyParts);
     if (tokens.isEmpty()) return;
     const QString cmd = tokens[0];
 
-    // NAM <name>
+    // ---- Power: #P0-P STA/RTV/VTG ----
+    if (cmd == "#P0-P" && tokens.size() >= 2 && m_powerPanel) {
+        const QString sub = tokens[1];
+        if      (sub == "STA" && tokens.size() >= 3) m_powerPanel->setStatus(tokens[2]);
+        else if (sub == "RTV" && tokens.size() >= 3) m_powerPanel->setRatedVoltage(tokens[2]);
+        else if (sub == "VTG" && tokens.size() >= 3) m_powerPanel->setVoltages(tokens.mid(2));
+        return;
+    }
+
+    // ---- LOG channel list ----
+    // Response: LOG name1 name2* name3 ...  (* = enabled)
+    if (cmd == "LOG" && tokens.size() > 1 && m_logPanel) {
+        // Only handle the full list response (no '=' in any token)
+        bool isList = true;
+        for (int i = 1; i < tokens.size(); ++i) {
+            if (tokens[i].contains('=')) { isList = false; break; }
+        }
+        if (isList) m_logPanel->applyLogResponse(msg);
+        return;
+    }
+
+    // NAM
     if (cmd == "NAM" && tokens.size() >= 2) {
         if (m_versionsPanel) m_versionsPanel->setDeviceName(tokens[1]);
         return;
     }
 
-    // VER M <fw>  or  VER <n> <fw>
+    // VER
     if (cmd == "VER" && tokens.size() >= 3) {
         if (m_versionsPanel)
             m_versionsPanel->setVersion(tokens[1], tokens.mid(2).join(' '));
         return;
     }
 
-    // UID M <hex>  or  UID <n> <hex>
+    // UID
     if (cmd == "UID" && tokens.size() >= 3) {
         if (m_versionsPanel)
             m_versionsPanel->setUid(tokens[1], tokens.mid(2).join(' '));
         return;
     }
 
-    // RNP <count> — triggers the slave loop
+    // RNP
     if (cmd == "RNP" && tokens.size() >= 2) {
         bool ok = false;
         const int count = tokens[1].toInt(&ok);
@@ -182,7 +169,7 @@ void WebSocketController::handleProtocol(const QString &msg)
         return;
     }
 
-    // GAM list ...
+    // GAM list
     if (cmd == "GAM" && tokens.size() >= 2 && tokens[1] == "list") {
         if (m_gamesPanel) m_gamesPanel->loadFromResponse(msg);
         return;
@@ -204,8 +191,8 @@ void WebSocketController::handleProtocol(const QString &msg)
         const QString payload = tokens[1];
         const int eqIdx = payload.indexOf('=');
         if (eqIdx > 0) {
-            const QString key = payload.left(eqIdx);
-            QString value = payload.mid(eqIdx + 1);
+            const QString key   = payload.left(eqIdx);
+            QString       value = payload.mid(eqIdx + 1);
             if (tokens.size() > 2) value += ' ' + tokens.mid(2).join(' ');
             m_settingsTree->setValue(key, value);
         }
diff --git a/WebSocketController.h b/WebSocketController.h
index bc0dab0..e65880a 100644
--- a/WebSocketController.h
+++ b/WebSocketController.h
@@ -7,6 +7,8 @@ class QLabel;
 class QLineEdit;
 class QTextEdit;
 class GamesPanel;
+class LogPanel;
+class PowerPanel;
 class SettingsTree;
 class VersionsPanel;
 
@@ -23,13 +25,10 @@ public:
     void setSettingsTree(SettingsTree *tree);
     void setGamesPanel(GamesPanel *panel);
     void setVersionsPanel(VersionsPanel *panel);
+    void setPowerPanel(PowerPanel *panel);
+    void setLogPanel(LogPanel *panel);
     bool isConnected() const;
 
-    // Called by main when user selects a tab for the first time
-    void requestGamesData();
-    void requestVersionsData();
-    void requestSettingsData();
-
 public slots:
     void startConnection();
     void closeConnection();
@@ -45,17 +44,15 @@ private:
     void handleProtocol(const QString &msg);
     void broadcast(const QString &line);
 
-    QLineEdit         *m_urlEdit            = nullptr;
-    QLabel            *m_statusLabel        = nullptr;
-    QWebSocket         m_socket;
+    QLineEdit     *m_urlEdit       = nullptr;
+    QLabel        *m_statusLabel   = nullptr;
+    QWebSocket     m_socket;
     QList<QTextEdit *> m_logs;
-    SettingsTree      *m_settingsTree       = nullptr;
-    GamesPanel        *m_gamesPanel         = nullptr;
-    VersionsPanel     *m_versionsPanel      = nullptr;
-    QStringList        m_settingsKeys;
-    int                m_rnpCount           = -1;
-
-    bool               m_gamesRequested     = false;
-    bool               m_versionsRequested  = false;
-    bool               m_settingsRequested  = false;
+    SettingsTree  *m_settingsTree  = nullptr;
+    GamesPanel    *m_gamesPanel    = nullptr;
+    VersionsPanel *m_versionsPanel = nullptr;
+    PowerPanel    *m_powerPanel    = nullptr;
+    LogPanel     *m_logPanel     = nullptr;
+    QStringList    m_settingsKeys;
+    int            m_rnpCount      = -1;
 };
diff --git a/build-run.sh b/build-run.sh
index c4c74c1..376c0b0 100644
--- a/build-run.sh
+++ b/build-run.sh
@@ -1,3 +1,6 @@
 /home/user/Qt/6.7.3/wasm_singlethread/bin/qt-cmake     -S . -B build-wasm -G Ninja
 cmake --build build-wasm
 
+cd build-wasm
+python3 -m http.server 8000
+
diff --git a/main.cpp b/main.cpp
index adc982d..3c5dea0 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,408 +1,189 @@
 #include <QApplication>
 #include <QHBoxLayout>
-#include <QHeaderView>
 #include <QLabel>
 #include <QLineEdit>
+#include <QMessageBox>
 #include <QPushButton>
 #include <QTabWidget>
 #include <QTextEdit>
-#include <QTreeWidget>
 #include <QTreeWidgetItem>
 #include <QVBoxLayout>
 #include <QWidget>
-#include <QMap>
-#include <QStringList>
 
-#include <QAbstractSocket>
-#include <QUrl>
-#include <QWebSocket>
+#include "GamesPanel.h"
+#include "LogPanel.h"
+#include "PowerPanel.h"
+#include "SettingsTree.h"
+#include "VersionsPanel.h"
+#include "WebSocketController.h"
 
-// ----------------------------------------------------------------
-// Settings tree
-// ----------------------------------------------------------------
-class SettingsTree : public QTreeWidget
+static QWidget *makeGamesTab(WebSocketController *ctrl, QWidget *parent)
 {
-    Q_OBJECT
-public:
-    // Emitted when user edits a value cell
-    // key = full slash path, value = new string
-    Q_SIGNAL void valueEdited(const QString &key, const QString &value);
+    auto *panel = new GamesPanel(parent);
+    ctrl->setGamesPanel(panel);
+    return panel;
+}
 
-    explicit SettingsTree(QWidget *parent = nullptr)
-        : QTreeWidget(parent)
-    {
-        setColumnCount(2);
-        setHeaderLabels({"Key", "Value"});
-        header()->setSectionResizeMode(0, QHeaderView::Interactive);
-        header()->setSectionResizeMode(1, QHeaderView::Stretch);
-        header()->setStretchLastSection(true);
-        setAlternatingRowColors(true);
-        setUniformRowHeights(true);
-        setAnimated(true);
-        setIndentation(16);
-        setColumnWidth(0, 240);
-
-        connect(this, &QTreeWidget::itemChanged,
-                this, &SettingsTree::onItemChanged);
-    }
-
-    void loadKeys(const QStringList &keys)
-    {
-        m_loading = true;
-        clear();
-        m_itemMap.clear();
-
-        for (const QString &key : keys) {
-            const QStringList parts = key.split('/');
-            QTreeWidgetItem *parent = invisibleRootItem();
-            QString accumulated;
-
-            for (int i = 0; i < parts.size(); ++i) {
-                if (!accumulated.isEmpty())
-                    accumulated += '/';
-                accumulated += parts[i];
-
-                if (!m_itemMap.contains(accumulated)) {
-                    auto *item = new QTreeWidgetItem(parent);
-                    item->setText(0, parts[i]);
-                    item->setExpanded(false);
-
-                    // Only leaf nodes (last part) are editable
-                    const bool isLeaf = (i == parts.size() - 1);
-                    if (isLeaf) {
-                        item->setFlags(item->flags() | Qt::ItemIsEditable);
-                        item->setToolTip(1, "Double-click to edit and send");
-                    } else {
-                        item->setFlags(item->flags() & ~Qt::ItemIsEditable);
-                    }
-
-                    m_itemMap[accumulated] = item;
-                }
-                parent = m_itemMap[accumulated];
-            }
-        }
-
-        resizeColumnToContents(0);
-        m_loading = false;
-    }
-
-    void setValue(const QString &key, const QString &value)
-    {
-        if (!m_itemMap.contains(key)) return;
-
-        m_loading = true;
-        m_itemMap[key]->setText(1, value);
-        m_loading = false;
-    }
-
-private slots:
-    void onItemChanged(QTreeWidgetItem *item, int column)
-    {
-        if (m_loading || column != 1) return;
-
-        // Find the full path for this item
-        const QString key = fullPath(item);
-        if (key.isEmpty()) return;
-
-        emit valueEdited(key, item->text(1));
-    }
-
-private:
-    QString fullPath(QTreeWidgetItem *item) const
-    {
-        // Walk up the tree to reconstruct the full slash-separated path
-        QStringList parts;
-        QTreeWidgetItem *cur = item;
-        while (cur && cur != invisibleRootItem()) {
-            parts.prepend(cur->text(0));
-            cur = cur->parent();
-        }
-        return parts.join('/');
-    }
-
-    QMap<QString, QTreeWidgetItem *> m_itemMap;
-    bool m_loading = false;
-};
-
-// ----------------------------------------------------------------
-// WebSocket controller
-// ----------------------------------------------------------------
-class WebSocketController : public QObject
+static QWidget *makeVersionsTab(WebSocketController *ctrl, QWidget *parent)
 {
-    Q_OBJECT
-public:
-    explicit WebSocketController(QLineEdit *urlEdit,
-                                 QLabel *statusLabel,
-                                 QObject *parent = nullptr)
-        : QObject(parent), m_urlEdit(urlEdit), m_statusLabel(statusLabel)
-    {}
+    auto *panel = new VersionsPanel(parent);
+    ctrl->setVersionsPanel(panel);
+    return panel;
+}
 
-    QWebSocket *socket()                  { return &m_socket; }
-    void addLogView(QTextEdit *l)         { m_logs.append(l); }
-    void setSettingsTree(SettingsTree *t)
-    {
-        m_settingsTree = t;
-        // When user edits a value, send set command then verify
-        connect(t, &SettingsTree::valueEdited,
-                this, &WebSocketController::onValueEdited);
-    }
-
-    bool isConnected() const
-    {
-        return m_socket.state() == QAbstractSocket::ConnectedState;
-    }
-
-public slots:
-    void startConnection()
-    {
-        const QUrl url(m_urlEdit->text().trimmed());
-        if (!url.isValid()) { broadcast("Invalid URL"); return; }
-        broadcast(QString("Connecting to %1").arg(url.toString()));
-        m_statusLabel->setText("Connecting...");
-        m_socket.open(url);
-    }
-
-    void closeConnection()
-    {
-        broadcast("Closing connection");
-        m_settingsKeys.clear();
-        m_socket.close();
-    }
-
-    void sendCommand(const QString &cmd)
-    {
-        if (!isConnected()) { broadcast("[not connected]"); return; }
-        m_socket.sendTextMessage(cmd);
-        broadcast(QString("TX: %1").arg(cmd));
-    }
-
-    void onConnected()
-    {
-        broadcast("Connected");
-        m_statusLabel->setText("Connected");
-        sendCommand(QStringLiteral("GBL List"));
-    }
-
-    void onDisconnected()
-    {
-        broadcast("Disconnected");
-        m_statusLabel->setText("Disconnected");
-        m_settingsKeys.clear();
-    }
-
-    void onTextMessageReceived(const QString &msg)
-    {
-        broadcast(QString("RX: %1").arg(msg));
-        handleProtocol(msg);
-    }
-
-    void onErrorOccurred(QAbstractSocket::SocketError)
-    {
-        broadcast(QString("Error: %1").arg(m_socket.errorString()));
-        m_statusLabel->setText("Error");
-    }
-
-    // Called when user finishes editing a cell in the settings tree
-    void onValueEdited(const QString &key, const QString &newValue)
-    {
-        // Send: GBL key=newvalue
-        sendCommand(QString("GBL %1=%2").arg(key, newValue));
-        // Verify: GBL key  (machine echoes back confirmed value)
-        sendCommand(QString("GBL %1").arg(key));
-    }
-
-private:
-    void handleProtocol(const QString &msg)
-    {
-        if (!m_settingsTree) return;
-
-        const QStringList tokens = msg.split(' ', Qt::SkipEmptyParts);
-        if (tokens.size() < 2) return;
-
-        // GBL List key1 key2 ...
-        if (tokens[0] == "GBL" && tokens[1] == "List" && tokens.size() > 2) {
-            m_settingsKeys = tokens.mid(2);
-            m_settingsTree->loadKeys(m_settingsKeys);
-
-            for (const QString &key : m_settingsKeys)
-                sendCommand(QString("GBL %1").arg(key));
-
-            return;
-        }
-
-        // GBL key=value
-        if (tokens[0] == "GBL" && tokens.size() >= 2) {
-            const QString payload = tokens[1];
-            const int eqIdx = payload.indexOf('=');
-            if (eqIdx > 0) {
-                const QString key   = payload.left(eqIdx);
-                QString value = payload.mid(eqIdx + 1);
-                if (tokens.size() > 2)
-                    value += ' ' + tokens.mid(2).join(' ');
-                m_settingsTree->setValue(key, value);
-            }
-        }
-    }
-
-    void broadcast(const QString &line)
-    {
-        for (auto *log : m_logs)
-            log->append(line);
-    }
-
-    QLineEdit         *m_urlEdit      = nullptr;
-    QLabel            *m_statusLabel  = nullptr;
-    QWebSocket         m_socket;
-    QList<QTextEdit *> m_logs;
-    SettingsTree      *m_settingsTree = nullptr;
-    QStringList        m_settingsKeys;
-};
-
-// ----------------------------------------------------------------
-// Tab builders
-// ----------------------------------------------------------------
-static QWidget *makeSettingsTab(WebSocketController *controller, QWidget *parent = nullptr)
+static QWidget *makeSettingsTab(WebSocketController *ctrl, QWidget *parent)
 {
     auto *page   = new QWidget(parent);
     auto *layout = new QVBoxLayout(page);
     layout->setContentsMargins(2, 2, 2, 2);
-
     auto *tree = new SettingsTree(page);
-    auto *placeholder = new QTreeWidgetItem(tree);
-    placeholder->setText(0, "Connect to load settings...");
-
+    auto *ph   = new QTreeWidgetItem(tree);
+    ph->setText(0, "Connect to load settings...");
     layout->addWidget(tree, 1);
-    controller->setSettingsTree(tree);
+    ctrl->setSettingsTree(tree);
     return page;
 }
 
-static QWidget *makeManualTab(WebSocketController *controller, QWidget *parent = nullptr)
+static QWidget *makeManualTab(WebSocketController *ctrl, QWidget *parent)
 {
-    auto *page   = new QWidget(parent);
-    auto *layout = new QVBoxLayout(page);
-
-    auto *sendRow = new QHBoxLayout();
+    auto *page    = new QWidget(parent);
+    auto *layout  = new QVBoxLayout(page);
+    auto *row     = new QHBoxLayout();
     auto *cmdEdit = new QLineEdit(page);
     cmdEdit->setPlaceholderText("Enter command to send...");
-    auto *sendBtn = new QPushButton("Send", page);
+    auto *sendBtn  = new QPushButton("Send",  page);
+    auto *clearBtn = new QPushButton("Clear", page);
+    row->addWidget(new QLabel("Command:", page));
+    row->addWidget(cmdEdit, 1);
+    row->addWidget(sendBtn);
+    row->addWidget(clearBtn);
+    auto *log = new QTextEdit(page);
+    log->setReadOnly(true);
+    layout->addLayout(row);
+    layout->addWidget(log, 1);
+    ctrl->addLogView(log);
 
-    sendRow->addWidget(new QLabel("Command:", page));
-    sendRow->addWidget(cmdEdit, 1);
-    sendRow->addWidget(sendBtn);
-
-    auto *rxLog = new QTextEdit(page);
-    rxLog->setReadOnly(true);
-    rxLog->setPlaceholderText("Received messages will appear here...");
-
-    layout->addLayout(sendRow);
-    layout->addWidget(rxLog, 1);
-    controller->addLogView(rxLog);
-
-    auto send = [cmdEdit, controller]() {
+    auto send = [cmdEdit, ctrl]() {
         const QString cmd = cmdEdit->text().trimmed();
-        if (!cmd.isEmpty()) {
-            controller->sendCommand(cmd);
-            cmdEdit->clear();
-        }
+        if (!cmd.isEmpty()) { ctrl->sendCommand(cmd); cmdEdit->clear(); }
     };
-
-    QObject::connect(sendBtn, &QPushButton::clicked,     page, send);
-    QObject::connect(cmdEdit, &QLineEdit::returnPressed, page, send);
+    QObject::connect(sendBtn,  &QPushButton::clicked,     page, send);
+    QObject::connect(cmdEdit,  &QLineEdit::returnPressed, page, send);
+    QObject::connect(clearBtn, &QPushButton::clicked,     log,  &QTextEdit::clear);
     return page;
 }
 
-static QWidget *makePanelsTab(WebSocketController *controller, QWidget *parent = nullptr)
+static QWidget *makePowerTab(WebSocketController *ctrl, QWidget *parent)
+{
+    auto *panel = new PowerPanel(parent);
+    ctrl->setPowerPanel(panel);
+    return panel;
+}
+
+static QWidget *makeLogsTab(WebSocketController *ctrl, QWidget *parent)
+{
+    auto *panel = new LogPanel(ctrl, parent);
+    ctrl->setLogPanel(panel);
+    return panel;
+}
+
+static QWidget *makePanelsTab(WebSocketController *ctrl, QWidget *parent)
 {
     auto *page   = new QWidget(parent);
     auto *layout = new QVBoxLayout(page);
     auto *log    = new QTextEdit(page);
     log->setReadOnly(true);
     layout->addWidget(log, 1);
-    controller->addLogView(log);
+    ctrl->addLogView(log);
     return page;
 }
 
-static QWidget *makePlaceholder(const QString &text, QWidget *parent = nullptr)
-{
-    auto *page   = new QWidget(parent);
-    auto *layout = new QVBoxLayout(page);
-    auto *label  = new QLabel(text, page);
-    label->setAlignment(Qt::AlignCenter);
-    layout->addWidget(label);
-    return page;
-}
-
-// ----------------------------------------------------------------
-// main
-// ----------------------------------------------------------------
 int main(int argc, char *argv[])
 {
     QApplication app(argc, argv);
 
     QWidget window;
-    window.setWindowTitle("Qt WASM WebSocket Client");
+    window.setWindowTitle("ESA WebSocket Client");
 
     auto *mainLayout = new QVBoxLayout(&window);
     mainLayout->setContentsMargins(6, 6, 6, 6);
     mainLayout->setSpacing(4);
 
-    auto *headerLayout     = new QHBoxLayout();
-    auto *urlLabel         = new QLabel("WebSocket URL:", &window);
-    auto *urlEdit          = new QLineEdit(&window);
+    // --- Header bar ---
+    auto *headerRow     = new QHBoxLayout();
+    auto *urlEdit       = new QLineEdit(&window);
     urlEdit->setPlaceholderText("ws://127.0.0.1:3491/");
     urlEdit->setText("ws://127.0.0.1:3491/");
+    auto *connectBtn    = new QPushButton("Connect",    &window);
+    auto *disconnectBtn = new QPushButton("Disconnect", &window);
+    auto *shutdownBtn   = new QPushButton("Shutdown",   &window);
+    disconnectBtn->setEnabled(false);
+    shutdownBtn->setEnabled(false);
+    shutdownBtn->setStyleSheet(
+        "QPushButton          { color: white; background-color: #c62828;"
+        "                       border-radius: 4px; padding: 3px 10px; }"
+        "QPushButton:hover    { background-color: #b71c1c; }"
+        "QPushButton:disabled { background-color: #888888; color: #cccccc; }");
+    auto *statusLabel = new QLabel("Disconnected", &window);
 
-    auto *connectButton    = new QPushButton("Connect",    &window);
-    auto *disconnectButton = new QPushButton("Disconnect", &window);
-    disconnectButton->setEnabled(false);
-    auto *statusLabel      = new QLabel("Disconnected", &window);
+    headerRow->addWidget(new QLabel("WebSocket URL:", &window));
+    headerRow->addWidget(urlEdit, 1);
+    headerRow->addWidget(connectBtn);
+    headerRow->addWidget(disconnectBtn);
+    headerRow->addWidget(shutdownBtn);
+    headerRow->addWidget(statusLabel);
+    mainLayout->addLayout(headerRow);
 
-    headerLayout->addWidget(urlLabel);
-    headerLayout->addWidget(urlEdit, 1);
-    headerLayout->addWidget(connectButton);
-    headerLayout->addWidget(disconnectButton);
-    headerLayout->addWidget(statusLabel);
-    mainLayout->addLayout(headerLayout);
-
-    auto *controller = new WebSocketController(urlEdit, statusLabel, &window);
+    // --- Controller ---
+    auto *ctrl = new WebSocketController(urlEdit, statusLabel, &window);
 
+    // --- Tabs ---
     auto *tabs = new QTabWidget(&window);
-    tabs->addTab(makePlaceholder("Games content goes here"),    "games");
-    tabs->addTab(makePlaceholder("Versions content goes here"), "versions");
-    tabs->addTab(makeManualTab(controller, &window),            "manual");
-    tabs->addTab(makeSettingsTab(controller, &window),          "settings");
-    tabs->addTab(makePlaceholder("Power content goes here"),    "power");
-    tabs->addTab(makePanelsTab(controller, &window),            "panels");
+    tabs->addTab(makeGamesTab   (ctrl, &window), "games");
+    tabs->addTab(makeVersionsTab(ctrl, &window), "versions");
+    tabs->addTab(makeManualTab  (ctrl, &window), "manual");
+    tabs->addTab(makeSettingsTab(ctrl, &window), "settings");
+    tabs->addTab(makePowerTab   (ctrl, &window), "power");
+    tabs->addTab(makeLogsTab    (ctrl, &window), "logs");
+    tabs->addTab(makePanelsTab  (ctrl, &window), "panels");
     mainLayout->addWidget(tabs, 1);
 
-    QObject::connect(connectButton,    &QPushButton::clicked,
-                     controller, &WebSocketController::startConnection);
-    QObject::connect(disconnectButton, &QPushButton::clicked,
-                     controller, &WebSocketController::closeConnection);
-
-    QObject::connect(controller->socket(), &QWebSocket::connected,
-                     controller, &WebSocketController::onConnected);
-    QObject::connect(controller->socket(), &QWebSocket::disconnected,
-                     controller, &WebSocketController::onDisconnected);
-    QObject::connect(controller->socket(), &QWebSocket::textMessageReceived,
-                     controller, &WebSocketController::onTextMessageReceived);
-    QObject::connect(controller->socket(), &QWebSocket::errorOccurred,
-                     controller, &WebSocketController::onErrorOccurred);
-
-    QObject::connect(controller->socket(), &QWebSocket::connected, &window,
-                     [connectButton, disconnectButton]() {
-        connectButton->setEnabled(false);
-        disconnectButton->setEnabled(true);
-    });
-    QObject::connect(controller->socket(), &QWebSocket::disconnected, &window,
-                     [connectButton, disconnectButton]() {
-        connectButton->setEnabled(true);
-        disconnectButton->setEnabled(false);
+    // --- Shutdown: confirm then send ---
+    QObject::connect(shutdownBtn, &QPushButton::clicked, &window, [ctrl, &window]() {
+        QMessageBox msgBox(&window);
+        msgBox.setWindowTitle("Confirm Shutdown");
+        msgBox.setText("Are you sure you want to shut down the machine?");
+        msgBox.setInformativeText("This will send the POW ShutDown command immediately.");
+        msgBox.setIcon(QMessageBox::Warning);
+        msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
+        msgBox.setDefaultButton(QMessageBox::Cancel);
+        if (msgBox.exec() == QMessageBox::Yes)
+            ctrl->sendCommand(QStringLiteral("POW ShutDown"));
     });
 
-    window.resize(950, 580);
+    // --- Wire up buttons ---
+    QObject::connect(connectBtn,    &QPushButton::clicked, ctrl, &WebSocketController::startConnection);
+    QObject::connect(disconnectBtn, &QPushButton::clicked, ctrl, &WebSocketController::closeConnection);
+
+    QObject::connect(ctrl->socket(), &QWebSocket::connected,           ctrl, &WebSocketController::onConnected);
+    QObject::connect(ctrl->socket(), &QWebSocket::disconnected,        ctrl, &WebSocketController::onDisconnected);
+    QObject::connect(ctrl->socket(), &QWebSocket::textMessageReceived, ctrl, &WebSocketController::onTextMessageReceived);
+    QObject::connect(ctrl->socket(), &QWebSocket::errorOccurred,       ctrl, &WebSocketController::onErrorOccurred);
+
+    QObject::connect(ctrl->socket(), &QWebSocket::connected, &window,
+                     [connectBtn, disconnectBtn, shutdownBtn]() {
+        connectBtn->setEnabled(false);
+        disconnectBtn->setEnabled(true);
+        shutdownBtn->setEnabled(true);
+    });
+    QObject::connect(ctrl->socket(), &QWebSocket::disconnected, &window,
+                     [connectBtn, disconnectBtn, shutdownBtn]() {
+        connectBtn->setEnabled(true);
+        disconnectBtn->setEnabled(false);
+        shutdownBtn->setEnabled(false);
+    });
+
+    window.resize(1050, 620);
     window.show();
     return app.exec();
 }
-
-#include "main.moc"