Ascent-of-Man/qscenerenderer.cpp

#include "qscenerenderer.h"
#include <algorithm>
#include <cmath>
#include <QPainter>
#include <QPainterPath>
#include <QToolTip>
#include <QDebug>
#include "pathfinder.h"
#include "yamlparser.h"
#include "localization.h"

GLuint vertexbuffer;
GLuint VertexArrayID;

QSceneRenderer::QSceneRenderer(QWidget* parent): QOpenGLWidget(parent)
{
    setFocusPolicy(Qt::FocusPolicy::StrongFocus);
    setMouseTracking(true);
    installEventFilter(this);

    QImage img = QImage("/home/bart/git/Ascent-of-Man/images/heightmap.jpg").convertToFormat(QImage::Format_RGB32);
    QImage typeImg = QImage("/home/bart/git/Ascent-of-Man/images/typemap.png").convertToFormat(QImage::Format_RGB32);
    QImage riverImg = QImage("/home/bart/git/Ascent-of-Man/images/rivermap.png").convertToFormat(QImage::Format_RGB32);
    m_zoom = 4;
    m_point = new Matrix2D<TerrainPoint>(img.width(), img.height());
    m_numPoints05 = img.width() / MAP_WIDTH / 1.5 / 2;

    for (int y = 0; y < img.height(); y++) {
        QRgb *line = (QRgb *) img.scanLine(img.height() - 1 - y);
        QRgb *typeLine = !typeImg.isNull() ? (QRgb *) typeImg.scanLine(typeImg.height() - 1 - y) : nullptr;
        QRgb *riverLine = !riverImg.isNull() ? (QRgb *) riverImg.scanLine(riverImg.height() - 1 - y) : nullptr;
        TerrainPoint *row = m_point->row(y);
        for (int x = 0; x < img.width(); x++) {
            row[x].height = qRed(line[x]);
            row[x].river = (riverLine && qBlue(riverLine[x]) > 120 && qRed(riverLine[x]) < 100) ? 1 : 0;
            if (typeLine) {
                QRgb c = typeLine[x];
                int r = qRed(c), g = qGreen(c), b = qBlue(c);
                int sat = std::max(r, std::max(g, b)) - std::min(r, std::min(g, b));
                if (r > 150 && g < 100) row[x].type = 3;                         // Prairie / Red Canyon
                else if (r > 150 && g > 150 && b < 100) row[x].type = 1;        // Sahara
                else if (b > 50 && r < 50) row[x].type = 4;                     // Bos (Forest)
                else if (sat < 40 && g < 140) row[x].type = 2;                  // Tundra
                else row[x].type = 0;                                            // Grasland
            } else {
                row[x].type = 0;
            }
        }
    }

    loadCameraConfig();
    zRot = 90.0f; // Default looking North (+Y)
    m_zoom = 8.0f;
    cameraUpDirection = cameraTransformation * QVector3D(0, 1, 0);
    cameraTransformation.rotate(zRot, 0, 0, 1);
    cameraPosition = QVector3D(28.0f, 16.0f, m_zoom); // South of the alpine mountain, looking North

    tiles = new Matrix2D<Tile>(MAP_WIDTH, MAP_HEIGHT);
    loadRiverMap(riverImg);

    m_draggingMinimap = false;
    m_minimapZoom = 1.0f;
    m_image_minimap = QImage("/home/bart/git/Ascent-of-Man/images/minimap.png");
    if (m_image_minimap.isNull()) {
        m_image_minimap = QImage("/home/bart/git/Ascent-of-Man/images/rivermap_preview.png");
    }

    // Initialize GameManager and spawn demo units
    GameManager::instance().init("/home/bart/git/Ascent-of-Man", m_point, m_numPoints05);

    m_lastFrameTime = 0.0f;
    m_elapsedTimer.start();
    QTimer *animTimer = new QTimer(this);
    connect(animTimer, &QTimer::timeout, this, QOverload<>::of(&QSceneRenderer::update));
    animTimer->start(16);

    m_slotLongPressTimer = new QTimer(this);
    m_slotLongPressTimer->setSingleShot(true);
    connect(m_slotLongPressTimer, &QTimer::timeout, this, [this]() {
        onSlotLongPressTimeout();
    });
}

void QSceneRenderer::loadCameraConfig()
{
    QString configPath = "/home/bart/git/Ascent-of-Man/config/game.yaml";
    YamlNode root = YamlParser::parseFile(configPath);
    if (root.hasChild("camera")) {
        YamlNode cam = root["camera"];
        m_cameraMinZoom = cam["min_zoom"].asFloat(m_cameraMinZoom);
        m_cameraMaxZoom = cam["max_zoom"].asFloat(m_cameraMaxZoom);
        m_cameraPitchMinDeg = cam["pitch_min_deg"].asFloat(m_cameraPitchMinDeg);
        m_cameraPitchMaxDeg = cam["pitch_max_deg"].asFloat(m_cameraPitchMaxDeg);
    }
}

float QSceneRenderer::getCameraPitchDeg() const
{
    float range = m_cameraMaxZoom - m_cameraMinZoom;
    float zoomT = range > 1e-4f ? std::max(0.0f, std::min(1.0f, (m_zoom - m_cameraMinZoom) / range)) : 0.0f;
    return m_cameraPitchMinDeg + zoomT * (m_cameraPitchMaxDeg - m_cameraPitchMinDeg);
}

float QSceneRenderer::getCameraForwardDist() const
{
    float pitchRad = getCameraPitchDeg() * PI / 180.0f;
    float tanPitch = std::tan(pitchRad);
    if (tanPitch < 1e-4f) tanPitch = 1e-4f;
    return m_zoom / tanPitch;
}

QVector3D QSceneRenderer::getCameraLookAt() const
{
    float forwardDist = getCameraForwardDist();
    float rad = zRot * PI / 180.0f;
    return QVector3D(
        cameraPosition.x() + forwardDist * cos(rad),
        cameraPosition.y() + forwardDist * sin(rad),
        0.0f
    );
}


void QSceneRenderer::loadRiverMap(const QImage &riverImg)
{
    if (riverImg.isNull()) return;

    float scaleX = m_numPoints05 * 2.0f;
    float scaleY = m_numPoints05 / LOD_0_SIZE_Y;

    for (int y = 0; y < MAP_HEIGHT; ++y) {
        for (int x = 0; x < MAP_WIDTH; ++x) {
            float worldX = x * (LOD_0_SIZE * 0.75f);
            float worldY = y * (LOD_0_SIZE_Y * 2.0f) + ((x % 2 == 0) ? 0.0f : LOD_0_SIZE_Y);

            for (int e = 0; e < 6; ++e) {
                QVector2D mid = getHexEdgeMidpoint(e);
                float midX = worldX + mid.x();
                float midY = worldY + mid.y();

                int px = (int) round(midX * scaleX);
                int py = (int) round(midY * scaleY);

                bool hasRiver = false;
                for (int dy = -1; dy <= 1 && !hasRiver; ++dy) {
                    for (int dx = -1; dx <= 1 && !hasRiver; ++dx) {
                        int sx = px + dx;
                        int sy = py + dy;
                        if (sx >= 0 && sx < riverImg.width() && sy >= 0 && sy < riverImg.height()) {
                            QRgb c = riverImg.pixel(sx, riverImg.height() - 1 - sy);
                            if (qBlue(c) > 120 && qRed(c) < 100) {
                                hasRiver = true;
                            }
                        }
                    }
                }

                if (hasRiver) {
                    tiles->operator()(x, y).addRiverEdge(e);
                    int nx, ny;
                    getHexNeighbor(x, y, e, nx, ny);
                    if (nx >= 0 && nx < MAP_WIDTH && ny >= 0 && ny < MAP_HEIGHT) {
                        tiles->operator()(nx, ny).addRiverEdge((e + 3) % 6);
                    }
                }
            }
        }
    }
}

Tile * QSceneRenderer::getTile(int x, int y)
{
    return &tiles->operator()(x, y);
}

QRect QSceneRenderer::getMinimapRect() const
{
    int maxW = std::min(480, std::max(200, width() / 3));
    int mapW = maxW;
    int mapH = (int) round(mapW / (225.0f / 108.22f));
    if (mapH > 500) mapH = 500;
    if (mapW > 500) mapW = 500;
    int margin = 16;
    return QRect(margin, height() - mapH - margin - 22, mapW, mapH);
}

QRect QSceneRenderer::getMinimapCardRect() const
{
    QRect m = getMinimapRect();
    return m.adjusted(-6, -6, 6, 24);
}

QRect QSceneRenderer::getZoomOutButtonRect() const
{
    QRect card = getMinimapCardRect();
    return QRect(card.left() + 4, card.top() - 28, 30, 22);
}

QRect QSceneRenderer::getZoomResetButtonRect() const
{
    QRect card = getMinimapCardRect();
    return QRect(card.left() + 38, card.top() - 28, 48, 22);
}

QRect QSceneRenderer::getZoomInButtonRect() const
{
    QRect card = getMinimapCardRect();
    return QRect(card.left() + 90, card.top() - 28, 30, 22);
}

QRect QSceneRenderer::getMinimapSourceRect() const
{
    if (m_image_minimap.isNull()) return QRect();
    int imgW = m_image_minimap.width();
    int imgH = m_image_minimap.height();
    if (m_minimapZoom <= 1.01f) {
        return QRect(0, 0, imgW, imgH);
    }

    int srcW = (int) round(imgW / m_minimapZoom);
    int srcH = (int) round(imgH / m_minimapZoom);

    float u = std::max(0.0f, std::min(1.0f, cameraPosition.x() / 225.0f));
    float v = std::max(0.0f, std::min(1.0f, 1.0f - (cameraPosition.y() / 108.22f)));

    int camX = (int) round(u * imgW);
    int camY = (int) round(v * imgH);

    int srcX = camX - srcW / 2;
    int srcY = camY - srcH / 2;

    if (srcX < 0) srcX = 0;
    if (srcY < 0) srcY = 0;
    if (srcX + srcW > imgW) srcX = imgW - srcW;
    if (srcY + srcH > imgH) srcY = imgH - srcH;

    return QRect(srcX, srcY, srcW, srcH);
}

QPointF QSceneRenderer::worldToMinimap(float wx, float wy, const QRect &mapRect) const
{
    QRect src = getMinimapSourceRect();
    if (src.isEmpty() || m_image_minimap.isNull() || m_minimapZoom <= 1.01f) {
        float u = std::max(0.0f, std::min(1.0f, wx / 225.0f));
        float v = std::max(0.0f, std::min(1.0f, 1.0f - (wy / 108.22f)));
        return QPointF(mapRect.left() + u * mapRect.width(), mapRect.top() + v * mapRect.height());
    }

    float imgW = m_image_minimap.width();
    float imgH = m_image_minimap.height();

    float uMin = (float)src.left() / imgW;
    float uMax = (float)src.right() / imgW;
    float vMin = (float)src.top() / imgH;
    float vMax = (float)src.bottom() / imgH;

    float u = wx / 225.0f;
    float v = 1.0f - (wy / 108.22f);

    float relU = (u - uMin) / (uMax - uMin);
    float relV = (v - vMin) / (vMax - vMin);

    return QPointF(mapRect.left() + relU * mapRect.width(), mapRect.top() + relV * mapRect.height());
}

QVector2D QSceneRenderer::minimapToWorld(const QPoint &pos, const QRect &mapRect) const
{
    QRect src = getMinimapSourceRect();
    float relU = std::max(0.0f, std::min(1.0f, (float)(pos.x() - mapRect.left()) / mapRect.width()));
    float relV = std::max(0.0f, std::min(1.0f, (float)(pos.y() - mapRect.top()) / mapRect.height()));

    if (src.isEmpty() || m_image_minimap.isNull() || m_minimapZoom <= 1.01f) {
        float wx = relU * 225.0f;
        float wy = (1.0f - relV) * 108.22f;
        return QVector2D(wx, wy);
    }

    float imgW = m_image_minimap.width();
    float imgH = m_image_minimap.height();

    float uMin = (float)src.left() / imgW;
    float uMax = (float)src.right() / imgW;
    float vMin = (float)src.top() / imgH;
    float vMax = (float)src.bottom() / imgH;

    float u = uMin + relU * (uMax - uMin);
    float v = vMin + relV * (vMax - vMin);

    float wx = std::max(0.0f, std::min(225.0f, u * 225.0f));
    float wy = std::max(0.0f, std::min(108.22f, (1.0f - v) * 108.22f));
    return QVector2D(wx, wy);
}

void QSceneRenderer::drawMinimap(QPainter &painter)
{
    QRect mapRect = getMinimapRect();
    if (mapRect.width() <= 10 || mapRect.height() <= 10) return;

    painter.setRenderHint(QPainter::Antialiasing, true);

    // 1. Draw Zoom Buttons above card
    QRect btnOut = getZoomOutButtonRect();
    QRect btnReset = getZoomResetButtonRect();
    QRect btnIn = getZoomInButtonRect();

    // Zoom Out [-]
    painter.setBrush(QColor(22, 28, 40, 230));
    painter.setPen(QPen(QColor(80, 110, 150, 200), 1.2));
    painter.drawRoundedRect(btnOut, 4, 4);
    painter.setFont(QFont("sans-serif", 10, QFont::Bold));
    painter.setPen(QColor(220, 230, 245));
    painter.drawText(btnOut, Qt::AlignCenter, "-");

    // Zoom Indicator / Reset [Full / 2.0x]
    painter.setBrush(QColor(22, 28, 40, 230));
    painter.setPen(QPen(QColor(80, 110, 150, 200), 1.2));
    painter.drawRoundedRect(btnReset, 4, 4);
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(m_minimapZoom > 1.01f ? QColor(255, 220, 80) : QColor(200, 215, 235));
    QString zoomText = m_minimapZoom <= 1.01f ? "Full" : QString("%1x").arg(m_minimapZoom, 0, 'f', 1);
    painter.drawText(btnReset, Qt::AlignCenter, zoomText);

    // Zoom In [+]
    painter.setBrush(QColor(22, 28, 40, 230));
    painter.setPen(QPen(QColor(80, 110, 150, 200), 1.2));
    painter.drawRoundedRect(btnIn, 4, 4);
    painter.setFont(QFont("sans-serif", 10, QFont::Bold));
    painter.setPen(QColor(220, 230, 245));
    painter.drawText(btnIn, Qt::AlignCenter, "+");

    // Title label next to zoom buttons:
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(160, 195, 230));
    QRect titleRect(btnIn.right() + 8, btnIn.top(), 180, btnIn.height());
    painter.drawText(titleRect, Qt::AlignLeft | Qt::AlignVCenter, "HEX MINIMAP");

    // 2. Semi-transparent dark background card
    QRect cardRect = getMinimapCardRect();
    QColor cardBg(20, 24, 32, 225);
    painter.setBrush(cardBg);
    painter.setPen(QPen(QColor(80, 110, 150, 180), 1.5));
    painter.drawRoundedRect(cardRect, 8, 8);

    // 3. Draw map image inside mapRect (with source crop for zoom)
    QRect srcRect = getMinimapSourceRect();
    if (!m_image_minimap.isNull()) {
        painter.drawImage(mapRect, m_image_minimap, srcRect);
    } else {
        painter.fillRect(mapRect, QColor(30, 40, 60));
    }

    // Border around map image
    painter.setBrush(Qt::NoBrush);
    painter.setPen(QPen(QColor(120, 150, 180, 160), 1.0));
    painter.drawRect(mapRect);

    // Draw roads on minimap
    for (const auto &pair : GameManager::instance().getTileRoads()) {
        const TileRoad &road = pair.second;
        QVector2D center = Pathfinder::hexToWorld(road.tileX, road.tileY);
        QPointF mapP1 = worldToMinimap(center.x(), center.y(), mapRect);
        if (!mapRect.contains(mapP1.toPoint())) continue;

        const RoadTypeConfig *rCfg = GameManager::instance().roadConfigs().getRoadType(road.roadTypeId);
        QColor roadCol = rCfg ? rCfg->getColor() : QColor(194, 166, 117);

        painter.setPen(QPen(roadCol, 1.2f));
        if (road.connectionMask == 0) {
            painter.setBrush(roadCol);
            painter.drawEllipse(mapP1, 1.2, 1.2);
        } else {
            for (int e = 0; e < 6; ++e) {
                if (road.hasConnection(e)) {
                    QVector2D edgeMid = center + getHexEdgeMidpoint(e);
                    QPointF mapP2 = worldToMinimap(edgeMid.x(), edgeMid.y(), mapRect);
                    painter.drawLine(mapP1, mapP2);
                }
            }
        }
    }

    // Draw unit dots on minimap
    for (const auto &u : GameManager::instance().getUnits()) {
        if (u->isDead()) continue;
        QPointF p = worldToMinimap(u->worldPos.x(), u->worldPos.y(), mapRect);
        if (mapRect.contains(p.toPoint())) {
            const Player *pl = GameManager::instance().players().getPlayer(u->playerId);
            QColor dotCol = pl ? pl->primaryColor : Qt::yellow;
            painter.setBrush(dotCol);
            painter.setPen(QPen(Qt::white, 1.0));
            painter.drawEllipse(p, 3.0, 3.0);
        }
    }

    // 4. Camera view representation (clipped to mapRect):
    QPointF camCenter = worldToMinimap(cameraPosition.x(), cameraPosition.y(), mapRect);

    float rad = zRot * PI / 180.0f;
    float fovHalf = 25.0f * PI / 180.0f;
    float pitchDeg = getCameraPitchDeg();
    float farPitchRad = (pitchDeg - 22.5f) * PI / 180.0f;
    float viewDist = std::max(4.0f, (float)(m_zoom / std::tan(farPitchRad)));

    float lx = cameraPosition.x() + viewDist * cos(rad - fovHalf);
    float ly = cameraPosition.y() + viewDist * sin(rad - fovHalf);
    float rx = cameraPosition.x() + viewDist * cos(rad + fovHalf);
    float ry = cameraPosition.y() + viewDist * sin(rad + fovHalf);
    float cx = cameraPosition.x() + viewDist * cos(rad);
    float cy = cameraPosition.y() + viewDist * sin(rad);

    QPointF sLeft = worldToMinimap(lx, ly, mapRect);
    QPointF sRight = worldToMinimap(rx, ry, mapRect);
    QPointF sCenter = worldToMinimap(cx, cy, mapRect);

    painter.save();
    painter.setClipRect(mapRect);

    QPolygonF cone;
    cone << camCenter << sLeft << sCenter << sRight;

    painter.setBrush(QColor(255, 230, 50, 60));
    painter.setPen(QPen(QColor(255, 235, 70, 200), 1.5));
    painter.drawPolygon(cone);

    painter.setPen(QPen(QColor(255, 240, 100, 180), 1.0, Qt::DashLine));
    painter.drawLine(camCenter, sCenter);

    painter.setBrush(QColor(0, 0, 0, 140));
    painter.setPen(Qt::NoPen);
    painter.drawEllipse(camCenter, 5.0, 5.0);

    painter.setBrush(QColor(255, 50, 50));
    painter.setPen(QPen(Qt::white, 1.5));
    painter.drawEllipse(camCenter, 3.5, 3.5);

    painter.restore();

    // 5. North Compass Indicator
    QPoint compassCenter(mapRect.right() - 16, mapRect.top() + 16);
    painter.setBrush(QColor(15, 20, 30, 180));
    painter.setPen(QPen(QColor(100, 140, 180, 200), 1.0));
    painter.drawEllipse(compassCenter, 10, 10);
    painter.setPen(QPen(QColor(240, 50, 50), 2.0));
    painter.drawLine(compassCenter, QPoint(compassCenter.x(), compassCenter.y() - 7));
    painter.setFont(QFont("sans-serif", 7, QFont::Bold));
    painter.setPen(QColor(240, 60, 60));
    painter.drawText(QRect(compassCenter.x() - 6, compassCenter.y() - 18, 12, 10), Qt::AlignCenter, "N");

    // 6. Coordinates bar
    QRect bottomBar(cardRect.left() + 6, mapRect.bottom() + 4, cardRect.width() - 12, 16);
    painter.setFont(QFont("sans-serif", 8));
    painter.setPen(QColor(180, 200, 220));
    QString info = QString("Cam: %1, %2 km | Alt: %3 km | Hoek: %4°")
                       .arg(cameraPosition.x(), 0, 'f', 1)
                       .arg(cameraPosition.y(), 0, 'f', 1)
                       .arg(m_zoom, 0, 'f', 1)
                       .arg(pitchDeg, 0, 'f', 0);
    painter.drawText(bottomBar, Qt::AlignLeft | Qt::AlignVCenter, info);
}

QImage QSceneRenderer::getTintedIcon(const QString &path, const QColor &color)
{
    QString cacheKey = path + "_" + color.name();
    if (m_tintedIconCache.contains(cacheKey)) {
        return m_tintedIconCache[cacheKey];
    }

    if (!m_iconCache.contains(path)) {
        QString fullPath = path.startsWith("/") ? path : ("/home/bart/git/Ascent-of-Man/" + path);
        QImage loaded(fullPath);
        if (loaded.isNull()) {
            loaded = QImage(32, 32, QImage::Format_ARGB32);
            loaded.fill(Qt::transparent);
            QPainter p(&loaded);
            p.setRenderHint(QPainter::Antialiasing, true);
            p.setBrush(Qt::white);
            p.setPen(Qt::NoPen);
            p.drawEllipse(6, 6, 20, 20);
        }
        m_iconCache[path] = loaded;
    }

    QImage base = m_iconCache[path];
    QImage tinted(base.size(), QImage::Format_ARGB32);
    tinted.fill(Qt::transparent);

    QPainter p(&tinted);
    p.drawImage(0, 0, base);
    p.setCompositionMode(QPainter::CompositionMode_SourceIn);
    p.fillRect(tinted.rect(), color);
    p.end();

    m_tintedIconCache[cacheKey] = tinted;
    return tinted;
}

bool QSceneRenderer::screenToHex(const QPoint &screenPos, const QMatrix4x4 &vMatrix, int &outX, int &outY)
{
    float ndcX = (2.0f * screenPos.x()) / width() - 1.0f;
    float ndcY = 1.0f - (2.0f * screenPos.y()) / height();

    QMatrix4x4 invVP = (Projection * vMatrix).inverted();
    QVector4D pNear = invVP.map(QVector4D(ndcX, ndcY, -1.0f, 1.0f));
    QVector4D pFar  = invVP.map(QVector4D(ndcX, ndcY,  1.0f, 1.0f));

    if (std::abs(pNear.w()) < 1e-6f || std::abs(pFar.w()) < 1e-6f) return false;

    QVector3D rayStart = pNear.toVector3DAffine();
    QVector3D rayEnd   = pFar.toVector3DAffine();
    QVector3D rayDir   = (rayEnd - rayStart).normalized();

    if (rayDir.z() >= -0.001f) return false;

    float t = (2.0f - rayStart.z()) / rayDir.z();
    if (t < 0.0f) return false;

    QVector3D hit = rayStart + t * rayDir;
    for (int iter = 0; iter < 4; ++iter) {
        float h = Unit::getTerrainHeight(hit.x(), hit.y(), m_point, m_numPoints05);
        float dt = (h - hit.z()) / rayDir.z();
        hit += dt * rayDir;
    }

    Pathfinder::worldToHex(hit.x(), hit.y(), outX, outY);
    return (outX >= 0 && outX < MAP_WIDTH && outY >= 0 && outY < MAP_HEIGHT);
}

void QSceneRenderer::drawTickBar(QPainter &painter)
{
    painter.setRenderHint(QPainter::Antialiasing, true);

    int barW = 840, barH = 34;
    QRect barRect(16, 16, barW, barH);

    // Dark glass card
    painter.setBrush(QColor(18, 24, 34, 235));
    painter.setPen(QPen(QColor(70, 100, 140, 180), 1.2));
    painter.drawRoundedRect(barRect, 6, 6);

    // 1. Movement Tick Info
    float tickDur = GameManager::instance().getTickDuration();
    float curTick = GameManager::instance().getTickTimer();
    float progress = curTick / tickDur;

    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(210, 225, 245));
    QString tickLabel = QString("Tick: %1s / %2s").arg(curTick, 0, 'f', 1).arg(tickDur, 0, 'f', 0);
    painter.drawText(QRect(barRect.left() + 10, barRect.top() + 4, 120, 14), Qt::AlignLeft | Qt::AlignVCenter, tickLabel);

    // Progress bar
    QRect progBg(barRect.left() + 10, barRect.top() + 20, 130, 6);
    painter.setBrush(QColor(30, 40, 55));
    painter.setPen(Qt::NoPen);
    painter.drawRoundedRect(progBg, 3, 3);

    QRect progFg(barRect.left() + 10, barRect.top() + 20, (int)(130 * progress), 6);
    painter.setBrush(QColor(60, 180, 255));
    painter.drawRoundedRect(progFg, 3, 3);

    // 2. Player 1 National Resources (Empire-wide; Science shows per-tick rate, not saved stockpile)
    const Player *p1 = GameManager::instance().players().getPlayer(1);
    m_scienceBarHitRect = QRect();
    m_techTreeBtnRect = QRect();
    if (p1) {
        int sciRate = GameManager::instance().calculatePlayerSciencePerTick(1, m_point, m_numPoints05);
        struct ResItem { QString icon; QString text; QColor col; bool isScience; };
        std::vector<ResItem> natRes = {
            {"images/resources/cultuur.png", QString("%L1").arg(p1->culture), QColor(215, 110, 255), false},
            {"images/resources/kennis.png", Localization::instance().get("ui.tech_tree.science_rate", "+%L1/tick").arg(sciRate), QColor(60, 190, 255), true},
            {"images/resources/goud.png", QString("%L1").arg(p1->gold), QColor(255, 210, 50), false},
            {"images/resources/geloof.png", QString("%L1").arg(p1->faith), QColor(255, 230, 80), false}
        };

        int startX = barRect.left() + 150;
        int itemW = 92;
        for (size_t i = 0; i < natRes.size(); ++i) {
            int ix = startX + (int)i * itemW;
            QRect slotRect(ix - 2, barRect.top() + 4, itemW - 2, 26);
            if (natRes[i].isScience) {
                m_scienceBarHitRect = slotRect;
            }
            QImage icon = getTintedIcon(natRes[i].icon, natRes[i].col);
            painter.drawImage(QRect(ix, barRect.top() + 9, 16, 16), icon);

            painter.setFont(QFont("sans-serif", 8, QFont::Bold));
            painter.setPen(natRes[i].col);
            painter.drawText(QRect(ix + 20, barRect.top() + 8, itemW - 22, 18), Qt::AlignLeft | Qt::AlignVCenter, natRes[i].text);
        }

        // 2b. Active Research / Tech Tree Button
        m_techTreeBtnRect = QRect(barRect.left() + 520, barRect.top() + 5, 158, 24);
        bool treeOpen = GameManager::instance().isTechTreeOpen();
        bool hasRes = p1->hasActiveResearch();
        painter.setBrush(treeOpen ? QColor(35, 80, 130, 245) : (hasRes ? QColor(22, 42, 68, 235) : QColor(45, 35, 25, 235)));
        painter.setPen(QPen(treeOpen ? QColor(100, 220, 255) : (hasRes ? QColor(70, 175, 240) : QColor(255, 190, 60)), 1.3));
        painter.drawRoundedRect(m_techTreeBtnRect, 4, 4);

        if (hasRes) {
            QString activeTechId = p1->getActiveResearchTech();
            const TechConfig *tCfg = GameManager::instance().techTree().getTech(activeTechId);
            QString tName = tCfg ? tCfg->name : activeTechId;
            int prog = p1->getTechProgress(activeTechId);
            int cost = tCfg ? std::max(1, tCfg->scienceCost) : 1;
            float frac = std::max(0.0f, std::min(1.0f, (float)prog / (float)cost));
            int pct = (int)(frac * 100.0f);

            // Mini progress bar at bottom of button
            QRect miniBg(m_techTreeBtnRect.left() + 4, m_techTreeBtnRect.bottom() - 4, m_techTreeBtnRect.width() - 8, 3);
            painter.setBrush(QColor(15, 22, 32));
            painter.setPen(Qt::NoPen);
            painter.drawRoundedRect(miniBg, 1, 1);

            QRect miniFg(m_techTreeBtnRect.left() + 4, m_techTreeBtnRect.bottom() - 4, (int)((m_techTreeBtnRect.width() - 8) * frac), 3);
            painter.setBrush(QColor(60, 210, 255));
            painter.drawRoundedRect(miniFg, 1, 1);

            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(220, 245, 255));
            QString btnText = QString("%1 (%2%) [T]").arg(tName).arg(pct);
            painter.drawText(m_techTreeBtnRect.adjusted(4, 0, -4, -3), Qt::AlignCenter, btnText);
        } else {
            painter.setFont(QFont("sans-serif", 8, QFont::Bold));
            painter.setPen(QColor(255, 215, 90));
            painter.drawText(m_techTreeBtnRect, Qt::AlignCenter,
                             Localization::instance().get("ui.tech_tree.choose_research", "Choose Tech [T]"));
        }
    }

    // 3. Sim Speed Buttons [1x] [2x] [5x]
    float curSpeed = GameManager::instance().getSimSpeed();
    m_speed1xRect = QRect(barRect.right() - 150, barRect.top() + 6, 42, 22);
    m_speed2xRect = QRect(barRect.right() - 102, barRect.top() + 6, 42, 22);
    m_speed5xRect = QRect(barRect.right() - 54, barRect.top() + 6, 42, 22);

    auto drawSpeedBtn = [&](const QRect &r, const QString &text, bool active) {
        painter.setBrush(active ? QColor(40, 70, 110, 240) : QColor(25, 32, 45, 220));
        painter.setPen(QPen(active ? QColor(255, 215, 60) : QColor(80, 110, 150), active ? 1.5 : 1.0));
        painter.drawRoundedRect(r, 4, 4);
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(active ? QColor(255, 225, 80) : QColor(200, 215, 235));
        painter.drawText(r, Qt::AlignCenter, text);
    };

    drawSpeedBtn(m_speed1xRect, "1x", std::abs(curSpeed - 1.0f) < 0.1f);
    drawSpeedBtn(m_speed2xRect, "2x", std::abs(curSpeed - 2.0f) < 0.1f);
    drawSpeedBtn(m_speed5xRect, "5x", std::abs(curSpeed - 5.0f) < 0.1f);
}

void QSceneRenderer::drawUnitsOverlay(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    m_activeActionBubbles.clear();
    m_cityBannerHits.clear();
    painter.setRenderHint(QPainter::Antialiasing, true);

    Unit *selectedUnit = GameManager::instance().getSelectedUnit();

    // 1. Draw City Banners (if not in city view)
    if (!GameManager::instance().isInCityView()) {
        for (const auto &c : GameManager::instance().getCities()) {
            bool inFront = false;
            QPointF screenP = UnitRenderer::projectToScreen(c.worldPos + QVector3D(0, 0, 0.65f), Projection, vMatrix, width(), height(), inFront);
            if (!inFront) continue;

            const Player *pl = GameManager::instance().players().getPlayer(c.playerId);
            QColor col = pl ? pl->primaryColor : Qt::blue;

            int bWidth = c.hasActiveProject() ? 150 : 110;
            if (c.hasActiveProject() && !c.projectQueue.empty()) {
                bWidth += 35;
            }
            QRect bannerRect((int)screenP.x() - bWidth / 2, (int)screenP.y() - 14, bWidth, 22);
            painter.setBrush(QColor(20, 24, 34, 235));
            painter.setPen(QPen(col, 2.0));
            painter.drawRoundedRect(bannerRect, 4, 4);

            painter.setFont(QFont("sans-serif", 8, QFont::Bold));
            painter.setPen(Qt::white);
            QString bannerText = QString("%1 (%2 Pop)").arg(c.name).arg(c.getTotalPop());
            if (c.hasActiveProject()) {
                int pct = (int)(c.currentProject.getProgress() * 100.0f);
                bannerText += QString(" | %1 %2%").arg(c.currentProject.name).arg(pct);
                if (!c.projectQueue.empty()) {
                    bannerText += QString(" (+%1)").arg(c.projectQueue.size());
                }
            }
            painter.drawText(bannerRect, Qt::AlignCenter, bannerText);

            m_cityBannerHits.push_back({bannerRect, c.id});
        }
    }

    // 2. Draw Units: Teardrop (Druppel in secondary color) + Icon (in primary color)
    const float R = 14.0f; // Head circle radius
    City *activeCityView = GameManager::instance().getActiveCityView();
    int maxCityRadius = TerrainYieldManager::instance().getCityConfig().maxWorkableRadius;

    for (const auto &unit : GameManager::instance().getUnits()) {
        if (unit->isDead()) continue;

        if (activeCityView) {
            if (Pathfinder::hexDistance(activeCityView->tileX, activeCityView->tileY, unit->tileX, unit->tileY) > maxCityRadius) {
                continue;
            }
        }

        bool inFront = false;
        QVector3D topCylinder = unit->worldPos + QVector3D(0.0f, 0.0f, 0.38f);
        QPointF tipPos = UnitRenderer::projectToScreen(topCylinder, Projection, vMatrix, width(), height(), inFront);
        if (!inFront) continue;

        if (tipPos.x() < -60 || tipPos.x() > width() + 60 || tipPos.y() < -60 || tipPos.y() > height() + 60) {
            continue;
        }

        const Player *player = GameManager::instance().players().getPlayer(unit->playerId);
        QColor primaryCol = player ? player->primaryColor : Qt::blue;
        QColor secondaryCol = player ? player->secondaryColor : Qt::white;

        QPointF headCenter(tipPos.x(), tipPos.y() - 25.0f);

        // Teardrop path (pointing down to top of cylinder)
        QPainterPath teardrop;
        teardrop.moveTo(tipPos);
        teardrop.lineTo(headCenter.x() - R * 0.88f, headCenter.y() + R * 0.45f);
        teardrop.arcTo(headCenter.x() - R, headCenter.y() - R, R * 2.0f, R * 2.0f, 205.0f, -230.0f);
        teardrop.lineTo(tipPos);
        teardrop.closeSubpath();

        // Drop shadow
        painter.save();
        painter.translate(1.0, 1.5);
        painter.fillPath(teardrop, QColor(0, 0, 0, 70));
        painter.restore();

        // Fill teardrop with secondary color
        painter.fillPath(teardrop, secondaryCol);

        // Border of teardrop
        painter.setPen(QPen(QColor(25, 30, 40, 220), 1.6));
        painter.drawPath(teardrop);

        // Inside the druppel: Draw unit icon tinted in player primary color
        QImage icon = getTintedIcon(unit->config.iconPath, primaryCol);
        QRectF iconRect(headCenter.x() - 9.0f, headCenter.y() - 9.0f, 18.0f, 18.0f);
        painter.drawImage(iconRect, icon);

        // Health bar above head
        float hpFrac = std::max(0.0f, std::min(1.0f, unit->health / unit->maxHealth));
        QRectF hpBg(headCenter.x() - 14.0f, headCenter.y() - R - 6.0f, 28.0f, 3.5f);
        painter.setBrush(QColor(30, 30, 30, 200));
        painter.setPen(Qt::NoPen);
        painter.drawRoundedRect(hpBg, 1.5, 1.5);

        QRectF hpFg(headCenter.x() - 14.0f, headCenter.y() - R - 6.0f, 28.0f * hpFrac, 3.5f);
        painter.setBrush(hpFrac > 0.5f ? QColor(70, 220, 90) : (hpFrac > 0.25f ? QColor(255, 190, 40) : QColor(240, 50, 50)));
        painter.drawRoundedRect(hpFg, 1.5, 1.5);

        // Building progress bar if unit is constructing
        if (unit->isBuilding()) {
            QRectF bpBg(headCenter.x() - 14.0f, headCenter.y() - R - 1.5f, 28.0f, 3.5f);
            painter.setBrush(QColor(30, 30, 30, 220));
            painter.setPen(Qt::NoPen);
            painter.drawRoundedRect(bpBg, 1.5, 1.5);

            float bpFrac = std::max(0.0f, std::min(1.0f, unit->buildProgress));
            QRectF bpFg(headCenter.x() - 14.0f, headCenter.y() - R - 1.5f, 28.0f * bpFrac, 3.5f);
            painter.setBrush(QColor(255, 185, 45));
            painter.drawRoundedRect(bpFg, 1.5, 1.5);
        }

        // If unit is selected: pulsing selection halo & floating action bubbles
        if (unit.get() == selectedUnit) {
            float pulse = (std::sin(m_elapsedTimer.elapsed() * 0.008f) + 1.0f) * 0.5f;
            painter.setPen(QPen(QColor(255, 220, 40, (int)(180 + pulse * 75)), 2.5));
            painter.setBrush(Qt::NoBrush);
            painter.drawEllipse(headCenter, R + 3.0f, R + 3.0f);

            // Floating Action Bubbles above the unit's druppel
            const QStringList &actions = unit->config.actions;
            int numActions = actions.size();
            float bubbleR = 12.0f;
            float spacing = 28.0f;
            float startX = headCenter.x() - ((numActions - 1) * spacing) / 2.0f;
            float bubbleY = headCenter.y() - R - 20.0f;

            for (int a = 0; a < numActions; ++a) {
                QString act = actions[a];
                QPointF bCenter(startX + a * spacing, bubbleY);
                QRect bRect((int)(bCenter.x() - bubbleR), (int)(bCenter.y() - bubbleR), (int)(bubbleR * 2), (int)(bubbleR * 2));

                bool isActive = false;
                QString iconFile = "images/actions/move.png";
                QString tip = "Verplaatsen (M)";
                if (act == "verplaatsen") {
                    isActive = (GameManager::instance().currentActionMode() == ActionMode::Move);
                    iconFile = "images/actions/move.png";
                    tip = "Verplaatsen (M)";
                } else if (act == "aanvallen") {
                    isActive = (GameManager::instance().currentActionMode() == ActionMode::Attack);
                    iconFile = "images/actions/attack.png";
                    tip = Localization::instance().get("ui.unit.tip_attack", "Attack (A) [Range: %1]").arg(unit->config.attackRange);
                } else if (act == "steden_bouwen" || act == "build_city") {
                    bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildCity);
                    isActive = (GameManager::instance().currentActionMode() == ActionMode::BuildCity) || isQueued;
                    iconFile = "images/actions/build_city.png";
                    tip = isQueued
                        ? Localization::instance().get("ui.unit.city_queued", "Found City queued on arrival")
                        : Localization::instance().get("ui.unit.tip_build_city", "Found City (B)");
                } else if (act == "boerderij_bouwen" || act == "build_farm") {
                    bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildImprovement);
                    isActive = (unit->isBuilding() && unit->buildingImprovementId != "road") || isQueued;
                    iconFile = "images/actions/farm.png";
                    if (unit->isBuilding() && unit->buildingImprovementId != "road") {
                        int pct = (int)(std::min(1.0f, unit->buildProgress) * 100.0f);
                        tip = Localization::instance().get("ui.unit.tip_farm_building", "Busy building... %1%").arg(pct);
                    } else if (isQueued) {
                        tip = Localization::instance().get("ui.unit.tip_farm_queued", "Build Farm (Queued on arrival - click to cancel)");
                    } else {
                        tip = Localization::instance().get("ui.unit.tip_build_farm", "Build Farm (F)");
                    }
                } else if (act == "build_road" || act == "weg_bouwen") {
                    bool isMode = (GameManager::instance().currentActionMode() == ActionMode::BuildRoad);
                    bool isBuildingRoad = unit->isBuilding() && unit->buildingImprovementId.startsWith("road");
                    bool hasRoute = unit->hasRoadRoute();
                    bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildRoad);
                    isActive = isMode || isBuildingRoad || hasRoute || isQueued;
                    iconFile = "images/actions/road.png";
                    if (isBuildingRoad) {
                        int pct = (int)(std::min(1.0f, unit->buildProgress) * 100.0f);
                        tip = Localization::instance().get("ui.unit.tip_road_building", "Busy building road... %1%").arg(pct);
                    } else if (hasRoute) {
                        int cur = (int)unit->roadRouteIndex + 1;
                        int total = (int)unit->roadRoute.size();
                        tip = Localization::instance().get("ui.unit.status_road_route", "Road Route: %1/%2").arg(cur).arg(total);
                    } else if (isQueued) {
                        tip = Localization::instance().get("ui.unit.tip_road_queued", "Build Road (Queued on arrival - click to cancel)");
                    } else {
                        tip = Localization::instance().get("ui.unit.tip_build_road", "Build Road (R) - Click target tile to build route");
                    }
                }

                // Draw action bubble
                painter.setBrush(isActive ? QColor(40, 80, 140, 240) : QColor(20, 26, 38, 230));
                painter.setPen(QPen(isActive ? QColor(255, 220, 50) : secondaryCol, isActive ? 2.0 : 1.2));
                painter.drawEllipse(bCenter, bubbleR, bubbleR);

                // Action icon inside bubble
                QImage aIcon = getTintedIcon(iconFile, isActive ? QColor(255, 230, 80) : primaryCol);
                painter.drawImage(QRectF(bCenter.x() - 7, bCenter.y() - 7, 14, 14), aIcon);

                // Register for click detection
                m_activeActionBubbles.push_back({bRect, act, tip});

                // Tooltip on hover
                if (bRect.contains(m_mouseCurrentPos)) {
                    QRect tipRect((int)bCenter.x() - 55, (int)bCenter.y() - 26, 110, 18);
                    painter.setBrush(QColor(15, 20, 30, 240));
                    painter.setPen(QPen(QColor(120, 160, 210), 1.0));
                    painter.drawRoundedRect(tipRect, 3, 3);
                    painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                    painter.setPen(Qt::white);
                    painter.drawText(tipRect, Qt::AlignCenter, tip);
                }
            }
        }
    }
}

void QSceneRenderer::drawPathAndRange(QPainter &painter, Unit *unit, const QMatrix4x4 &vMatrix)
{
    if (!unit) return;
    painter.setRenderHint(QPainter::Antialiasing, true);

    // 1. If unit is moving or has a path: draw path line and destination reticle
    if (unit->path.size() > 1) {
        QPainterPath pathLine;
        bool first = true;
        for (const auto &p : unit->path) {
            QVector2D w = Pathfinder::hexToWorld(p.first, p.second);
            float z = Unit::getTerrainHeight(w.x(), w.y(), m_point, m_numPoints05);
            bool inFront = false;
            QPointF sPos = UnitRenderer::projectToScreen(QVector3D(w.x(), w.y(), z + 0.05f), Projection, vMatrix, width(), height(), inFront);
            if (inFront) {
                if (first) {
                    pathLine.moveTo(sPos);
                    first = false;
                } else {
                    pathLine.lineTo(sPos);
                }
            }
        }
        painter.setPen(QPen(QColor(80, 220, 255, 200), 2.2, Qt::DashLine));
        painter.setBrush(Qt::NoBrush);
        painter.drawPath(pathLine);

        // Destination target reticle
        const auto &lastHex = unit->path.back();
        QVector2D destW = Pathfinder::hexToWorld(lastHex.first, lastHex.second);
        float destZ = Unit::getTerrainHeight(destW.x(), destW.y(), m_point, m_numPoints05);
        bool inFront = false;
        QPointF sDest = UnitRenderer::projectToScreen(QVector3D(destW.x(), destW.y(), destZ + 0.05f), Projection, vMatrix, width(), height(), inFront);
        if (inFront) {
            painter.setPen(QPen(QColor(255, 220, 60), 2.0));
            painter.drawEllipse(sDest, 10.0, 10.0);
            painter.drawLine(sDest.x() - 14, sDest.y(), sDest.x() + 14, sDest.y());
            painter.drawLine(sDest.x(), sDest.y() - 14, sDest.x(), sDest.y() + 14);
        }
    }

    // 2. Road Route visualization if unit is constructing a multi-tile road route
    if (unit->hasRoadRoute()) {
        QPainterPath routeLine;
        bool first = true;
        for (size_t i = unit->roadRouteIndex; i < unit->roadRoute.size(); ++i) {
            auto hex = unit->roadRoute[i];
            QVector2D w = Pathfinder::hexToWorld(hex.first, hex.second);
            float z = Unit::getTerrainHeight(w.x(), w.y(), m_point, m_numPoints05);
            bool inFront = false;
            QPointF sPos = UnitRenderer::projectToScreen(QVector3D(w.x(), w.y(), z + 0.06f), Projection, vMatrix, width(), height(), inFront);
            if (inFront) {
                if (first) {
                    routeLine.moveTo(sPos);
                    first = false;
                } else {
                    routeLine.lineTo(sPos);
                }
                painter.setPen(QPen(QColor(140, 95, 30, 200), 1.2));
                painter.setBrush(QColor(255, 215, 60, 220));
                painter.drawEllipse(sPos, 3.5, 3.5);
            }
        }
        painter.setPen(QPen(QColor(255, 195, 45, 230), 2.8, Qt::DashLine));
        painter.setBrush(Qt::NoBrush);
        painter.drawPath(routeLine);

        auto destHex = unit->roadRoute.back();
        QVector2D destW = Pathfinder::hexToWorld(destHex.first, destHex.second);
        float destZ = Unit::getTerrainHeight(destW.x(), destW.y(), m_point, m_numPoints05);
        bool inFront = false;
        QPointF sDest = UnitRenderer::projectToScreen(QVector3D(destW.x(), destW.y(), destZ + 0.06f), Projection, vMatrix, width(), height(), inFront);
        if (inFront) {
            float pulse = (std::sin(m_elapsedTimer.elapsed() * 0.008f) + 1.0f) * 0.5f;
            painter.setPen(QPen(QColor(255, 215, 50, (int)(180 + pulse * 75)), 2.2));
            painter.setBrush(QColor(255, 190, 40, 45));
            painter.drawEllipse(sDest, 14.0f, 14.0f);
            painter.drawLine(sDest.x() - 18, sDest.y(), sDest.x() + 18, sDest.y());
            painter.drawLine(sDest.x(), sDest.y() - 18, sDest.x(), sDest.y() + 18);
        }
    }

    // 3. Road Build targeting preview when in ActionMode::BuildRoad
    if (GameManager::instance().currentActionMode() == ActionMode::BuildRoad && unit->config.canBuildRoad()) {
        int hx = -1, hy = -1;
        if (screenToHex(m_mouseCurrentPos, vMatrix, hx, hy) && (hx != unit->tileX || hy != unit->tileY)) {
            if (TerrainMovementManager::instance().isHexPassable(hx, hy, MovementDomain::Land, m_point, m_numPoints05, &unit->config)) {
                auto preview = Pathfinder::findPath(unit->tileX, unit->tileY, hx, hy, m_point, m_numPoints05, MovementDomain::Land, &unit->config);
                if (preview.size() > 1) {
                    QPainterPath previewLine;
                    bool first = true;
                    for (const auto &p : preview) {
                        QVector2D w = Pathfinder::hexToWorld(p.first, p.second);
                        float z = Unit::getTerrainHeight(w.x(), w.y(), m_point, m_numPoints05);
                        bool inFront = false;
                        QPointF sPos = UnitRenderer::projectToScreen(QVector3D(w.x(), w.y(), z + 0.06f), Projection, vMatrix, width(), height(), inFront);
                        if (inFront) {
                            if (first) {
                                previewLine.moveTo(sPos);
                                first = false;
                            } else {
                                previewLine.lineTo(sPos);
                            }
                            painter.setPen(QPen(QColor(160, 110, 40, 200), 1.0));
                            painter.setBrush(QColor(255, 230, 90, 230));
                            painter.drawEllipse(sPos, 3.5, 3.5);
                        }
                    }
                    painter.setPen(QPen(QColor(255, 220, 60, 240), 3.0, Qt::DashLine));
                    painter.setBrush(Qt::NoBrush);
                    painter.drawPath(previewLine);

                    // Destination reticle
                    QVector2D destW = Pathfinder::hexToWorld(hx, hy);
                    float destZ = Unit::getTerrainHeight(destW.x(), destW.y(), m_point, m_numPoints05);
                    bool inFront = false;
                    QPointF sDest = UnitRenderer::projectToScreen(QVector3D(destW.x(), destW.y(), destZ + 0.06f), Projection, vMatrix, width(), height(), inFront);
                    if (inFront) {
                        float pulse = (std::sin(m_elapsedTimer.elapsed() * 0.01f) + 1.0f) * 0.5f;
                        painter.setPen(QPen(QColor(255, 225, 70, (int)(180 + pulse * 75)), 2.5));
                        painter.setBrush(QColor(255, 210, 50, 50));
                        painter.drawEllipse(sDest, 16.0f, 16.0f);
                        painter.drawLine(sDest.x() - 22, sDest.y(), sDest.x() + 22, sDest.y());
                        painter.drawLine(sDest.x(), sDest.y() - 22, sDest.x(), sDest.y() + 22);

                        QString targetTip = Localization::instance().get("ui.unit.btn_road_route", "Route (%1 hexes)").arg(preview.size() - 1);
                        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
                        QFontMetrics fm = painter.fontMetrics();
                        int tw = fm.horizontalAdvance(targetTip) + 16;
                        QRect tipRect((int)sDest.x() - tw / 2, (int)sDest.y() - 34, tw, 20);
                        painter.setBrush(QColor(20, 24, 34, 230));
                        painter.setPen(QPen(QColor(255, 215, 60), 1.2));
                        painter.drawRoundedRect(tipRect, 4, 4);
                        painter.setPen(QColor(255, 235, 120));
                        painter.drawText(tipRect, Qt::AlignCenter, targetTip);
                    }
                }
            }
        }
    }

    // 4. Attack range visualization if Attack mode is active
    if (GameManager::instance().currentActionMode() == ActionMode::Attack) {
        int range = unit->config.attackRange;
        for (const auto &u : GameManager::instance().getUnits()) {
            if (u->isDead() || u->playerId == unit->playerId) continue;

            int d = Pathfinder::hexDistance(unit->tileX, unit->tileY, u->tileX, u->tileY);
            if (d <= range) {
                // Target reticle over enemy unit
                bool inFront = false;
                QPointF sTarget = UnitRenderer::projectToScreen(u->worldPos + QVector3D(0, 0, 0.4f), Projection, vMatrix, width(), height(), inFront);
                if (inFront) {
                    float pulse = (std::sin(m_elapsedTimer.elapsed() * 0.01f) + 1.0f) * 0.5f;
                    painter.setPen(QPen(QColor(255, 50, 50, (int)(180 + pulse * 75)), 2.2));
                    painter.setBrush(QColor(255, 40, 40, 40));
                    painter.drawEllipse(sTarget, 16.0f, 16.0f);
                    painter.drawLine(sTarget.x() - 20, sTarget.y(), sTarget.x() + 20, sTarget.y());
                    painter.drawLine(sTarget.x(), sTarget.y() - 20, sTarget.x(), sTarget.y() + 20);
                }
            }
        }
    }
}

void QSceneRenderer::drawFloatingTexts(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    painter.setRenderHint(QPainter::Antialiasing, true);
    for (const auto &ft : GameManager::instance().getFloatingTexts()) {
        bool inFront = false;
        QPointF sPos = UnitRenderer::projectToScreen(ft.worldPos, Projection, vMatrix, width(), height(), inFront);
        if (!inFront) continue;

        float alpha = std::min(1.0f, ft.life / (ft.maxLife * 0.5f));
        QColor col = ft.color;
        col.setAlphaF(alpha);

        painter.setFont(QFont("sans-serif", 10, QFont::Bold));
        painter.setPen(QPen(QColor(0, 0, 0, (int)(alpha * 200)), 3.0));
        // Stroke
        QRect textRect((int)sPos.x() - 80, (int)sPos.y() - 12, 160, 24);
        painter.drawText(textRect, Qt::AlignCenter, ft.text);

        // Fill
        painter.setPen(col);
        painter.drawText(textRect, Qt::AlignCenter, ft.text);
    }
}

void QSceneRenderer::drawUnitCard(QPainter &painter, Unit *unit)
{
    if (!unit) return;
    painter.setRenderHint(QPainter::Antialiasing, true);

    int cardW = 310, cardH = 180;
    QRect cardRect(width() - cardW - 16, height() - cardH - 16, cardW, cardH);
    m_unitCardRect = cardRect;

    // Dark glass card
    painter.setBrush(QColor(18, 24, 34, 235));
    painter.setPen(QPen(QColor(80, 115, 160, 200), 1.5));
    painter.drawRoundedRect(cardRect, 8, 8);

    const Player *player = GameManager::instance().players().getPlayer(unit->playerId);
    QColor primaryCol = player ? player->primaryColor : Qt::blue;
    QColor secondaryCol = player ? player->secondaryColor : Qt::white;

    // Header badge
    QRect badgeRect(cardRect.left() + 12, cardRect.top() + 12, 22, 22);
    painter.setBrush(secondaryCol);
    painter.setPen(QPen(QColor(30, 30, 30), 1.2));
    painter.drawEllipse(badgeRect);
    QImage uIcon = getTintedIcon(unit->config.iconPath, primaryCol);
    painter.drawImage(QRect(badgeRect.left() + 3, badgeRect.top() + 3, 16, 16), uIcon);

    // Unit Name & Player
    painter.setFont(QFont("sans-serif", 11, QFont::Bold));
    painter.setPen(QColor(240, 245, 255));
    painter.drawText(QRect(badgeRect.right() + 10, cardRect.top() + 10, 160, 18), Qt::AlignLeft | Qt::AlignVCenter, unit->config.name.toUpper());

    painter.setFont(QFont("sans-serif", 8));
    painter.setPen(QColor(160, 185, 215));
    QString playerInfo = QString("%1 | Hex: (%2, %3)").arg(player ? player->name : "Onbekend").arg(unit->tileX).arg(unit->tileY);
    painter.drawText(QRect(badgeRect.right() + 10, cardRect.top() + 28, 200, 14), Qt::AlignLeft | Qt::AlignVCenter, playerInfo);

    // Category Pill
    QString catStr = unitCategoryToString(unit->config.category);
    if (unit->config.isRanged()) catStr += " (Ranged)";
    QRect catRect(cardRect.right() - 110, cardRect.top() + 12, 98, 18);
    painter.setBrush(QColor(35, 48, 68, 200));
    painter.setPen(QPen(QColor(100, 140, 190), 1.0));
    painter.drawRoundedRect(catRect, 4, 4);
    painter.setFont(QFont("sans-serif", 7, QFont::Bold));
    painter.setPen(QColor(200, 225, 255));
    painter.drawText(catRect, Qt::AlignCenter, catStr);

    // Separator line
    painter.setPen(QPen(QColor(60, 85, 120, 150), 1.0));
    painter.drawLine(cardRect.left() + 12, cardRect.top() + 48, cardRect.right() - 12, cardRect.top() + 48);

    // Health Bar
    float hpFrac = std::max(0.0f, std::min(1.0f, unit->health / unit->maxHealth));
    QRect hpBg(cardRect.left() + 12, cardRect.top() + 56, 170, 14);
    painter.setBrush(QColor(30, 40, 55));
    painter.setPen(Qt::NoPen);
    painter.drawRoundedRect(hpBg, 3, 3);

    QRect hpFg(cardRect.left() + 12, cardRect.top() + 56, (int)(170 * hpFrac), 14);
    painter.setBrush(hpFrac > 0.5f ? QColor(60, 200, 80) : (hpFrac > 0.25f ? QColor(255, 180, 40) : QColor(240, 50, 50)));
    painter.drawRoundedRect(hpFg, 3, 3);

    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(Qt::white);
    QString hpText = QString("HP: %1 / %2").arg((int)unit->health).arg((int)unit->maxHealth);
    painter.drawText(hpBg, Qt::AlignCenter, hpText);

    // Stats Grid
    painter.setFont(QFont("sans-serif", 8));
    painter.setPen(QColor(200, 220, 240));

    QString speedInfo = Localization::instance().get("ui.unit.speed_format", "Speed: %1 hex/tick").arg(unit->config.movementSpeed, 0, 'f', 1);
    painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 76, 140, 14), Qt::AlignLeft | Qt::AlignVCenter, speedInfo);

    QString costInfo = Localization::instance().get("ui.unit.cost_format", "Cost: %1 pts").arg(unit->config.cost);
    painter.drawText(QRect(cardRect.left() + 160, cardRect.top() + 76, 130, 14), Qt::AlignLeft | Qt::AlignVCenter, costInfo);

    if (unit->config.isMilitary()) {
        QString combatInfo = Localization::instance().get("ui.unit.combat_format", "Attack: %1 | Range: %2 hex")
            .arg(unit->config.attackDamage).arg(unit->config.attackRange);
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter, combatInfo);
    } else if (unit->isBuilding()) {
        int pct = (int)(std::min(1.0f, unit->buildProgress) * 100.0f);
        QString buildInfo = Localization::instance().get("ui.unit.building_pct", "Building... %1%").arg(pct);
        if (unit->hasRoadRoute()) {
            int cur = (int)unit->roadRouteIndex + 1;
            int total = (int)unit->roadRoute.size();
            buildInfo += QString(" | ") + Localization::instance().get("ui.unit.status_road_route", "Road Route: %1/%2").arg(cur).arg(total);
        } else if (!unit->config.infiniteCharges && unit->buildCharges > 0) {
            buildInfo += QString(" | ") + Localization::instance().get("ui.unit.charges_format", "Charges: %1").arg(unit->buildCharges);
        }
        painter.setPen(QColor(255, 210, 80));
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter, buildInfo);
    } else if (unit->hasRoadRoute()) {
        int cur = (int)unit->roadRouteIndex + 1;
        int total = (int)unit->roadRoute.size();
        QString routeInfo = Localization::instance().get("ui.unit.status_road_route", "Road Route: %1/%2").arg(cur).arg(total);
        painter.setPen(QColor(255, 200, 70));
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter, routeInfo);
    } else if (unit->hasQueuedAction()) {
        QString qSummary = unit->getQueuedActionSummary();
        QString queuedInfo = Localization::instance().get("ui.unit.status_queued", "Queued: %1").arg(qSummary);
        if (unit->config.isBuilder() && !unit->config.infiniteCharges && unit->buildCharges > 0) {
            queuedInfo += QString(" | ") + Localization::instance().get("ui.unit.charges_format", "Charges: %1").arg(unit->buildCharges);
        }
        painter.setPen(QColor(100, 220, 140));
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter, queuedInfo);
    } else if (unit->config.isBuilder() && !unit->config.infiniteCharges && unit->buildCharges > 0) {
        QString builderInfo = Localization::instance().get("ui.unit.civilian_unit", "Civilian unit") + QString(" | ") +
                              Localization::instance().get("ui.unit.charges_format", "Charges: %1").arg(unit->buildCharges);
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter, builderInfo);
    } else {
        painter.drawText(QRect(cardRect.left() + 12, cardRect.top() + 94, 280, 14), Qt::AlignLeft | Qt::AlignVCenter,
                         Localization::instance().get("ui.unit.civilian_unit", "Civilian unit"));
    }

    // Action Bubbles Row at bottom of card
    QRect actionArea(cardRect.left() + 12, cardRect.top() + 116, cardRect.width() - 24, 52);
    painter.setBrush(QColor(12, 16, 24, 180));
    painter.setPen(QPen(QColor(50, 75, 105, 120), 1.0));
    painter.drawRoundedRect(actionArea, 6, 6);

    const QStringList &actions = unit->config.actions;
    int numActions = actions.size();
    int btnW = (actionArea.width() - 8 * (numActions + 1)) / std::max(1, numActions);

    for (int a = 0; a < numActions; ++a) {
        QString act = actions[a];
        QRect bRect(actionArea.left() + 8 + a * (btnW + 8), actionArea.top() + 6, btnW, 40);

        bool isActive = false;
        QString iconFile = "images/actions/move.png";
        QString label = Localization::instance().get("ui.unit.btn_move", "Move [M]");
        QString tip = Localization::instance().get("ui.unit.tip_move", "Move (M)");

        if (act == "verplaatsen") {
            isActive = (GameManager::instance().currentActionMode() == ActionMode::Move);
            iconFile = "images/actions/move.png";
            label = Localization::instance().get("ui.unit.btn_move", "Move [M]");
            tip = Localization::instance().get("ui.unit.tip_move", "Move (M)");
        } else if (act == "aanvallen") {
            isActive = (GameManager::instance().currentActionMode() == ActionMode::Attack);
            iconFile = "images/actions/attack.png";
            label = Localization::instance().get("ui.unit.btn_attack", "Attack [A]");
            tip = Localization::instance().get("ui.unit.tip_attack", "Attack (A) [Range: %1]").arg(unit->config.attackRange);
        } else if (act == "steden_bouwen" || act == "build_city") {
            bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildCity);
            isActive = (GameManager::instance().currentActionMode() == ActionMode::BuildCity) || isQueued;
            iconFile = "images/actions/build_city.png";
            label = isQueued ? "Queued" : Localization::instance().get("ui.unit.btn_build_city", "Settle [B]");
            tip = isQueued
                ? Localization::instance().get("ui.unit.city_queued", "Found City queued on arrival")
                : Localization::instance().get("ui.unit.tip_build_city", "Found City (B)");
        } else if (act == "boerderij_bouwen" || act == "build_farm") {
            bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildImprovement);
            isActive = (unit->isBuilding() && unit->buildingImprovementId != "road") || isQueued;
            iconFile = "images/actions/farm.png";
            if (unit->isBuilding() && unit->buildingImprovementId != "road") {
                int pct = (int)(std::min(1.0f, unit->buildProgress) * 100.0f);
                label = Localization::instance().get("ui.unit.btn_farm_building", "Building %1%").arg(pct);
                tip = Localization::instance().get("ui.unit.tip_farm_building", "Busy building... %1%").arg(pct);
            } else if (isQueued) {
                label = Localization::instance().get("ui.unit.btn_farm_queued", "Farm (Queued)");
                tip = Localization::instance().get("ui.unit.tip_farm_queued", "Build Farm (Queued on arrival - click to cancel)");
            } else {
                label = Localization::instance().get("ui.unit.btn_build_farm", "Farm [F]");
                tip = Localization::instance().get("ui.unit.tip_build_farm", "Build Farm (F)");
            }
        } else if (act == "build_road" || act == "weg_bouwen") {
            bool isMode = (GameManager::instance().currentActionMode() == ActionMode::BuildRoad);
            bool isBuildingRoad = unit->isBuilding() && unit->buildingImprovementId.startsWith("road");
            bool hasRoute = unit->hasRoadRoute();
            bool isQueued = unit->hasQueuedActionType(UnitActionType::BuildRoad);
            isActive = isMode || isBuildingRoad || hasRoute || isQueued;
            iconFile = "images/actions/road.png";
            if (isBuildingRoad) {
                int pct = (int)(std::min(1.0f, unit->buildProgress) * 100.0f);
                label = Localization::instance().get("ui.unit.btn_road_building", "Building %1%").arg(pct);
                tip = Localization::instance().get("ui.unit.tip_road_building", "Busy building road... %1%").arg(pct);
            } else if (hasRoute) {
                int cur = (int)unit->roadRouteIndex + 1;
                int total = (int)unit->roadRoute.size();
                label = Localization::instance().get("ui.unit.btn_road_route", "Route (%1/%2)").arg(cur).arg(total);
                tip = Localization::instance().get("ui.unit.status_road_route", "Road Route: %1/%2").arg(cur).arg(total);
            } else if (isQueued) {
                label = Localization::instance().get("ui.unit.btn_road_queued", "Road (Queued)");
                tip = Localization::instance().get("ui.unit.tip_road_queued", "Build Road (Queued on arrival - click to cancel)");
            } else {
                label = Localization::instance().get("ui.unit.btn_build_road", "Road [R]");
                tip = Localization::instance().get("ui.unit.tip_build_road", "Build Road (R) - Click target tile to build route");
            }
        }

        // Circular bubble button
        painter.setBrush(isActive ? QColor(45, 85, 145, 250) : QColor(24, 32, 46, 220));
        painter.setPen(QPen(isActive ? QColor(255, 220, 50) : QColor(80, 110, 150), isActive ? 1.8 : 1.0));
        painter.drawRoundedRect(bRect, 6, 6);

        // Icon inside button
        QImage aIcon = getTintedIcon(iconFile, isActive ? QColor(255, 230, 80) : primaryCol);
        painter.drawImage(QRect(bRect.left() + 8, bRect.top() + 10, 20, 20), aIcon);

        // Label
        painter.setFont(QFont("sans-serif", 7, QFont::Bold));
        painter.setPen(isActive ? QColor(255, 235, 90) : QColor(210, 225, 245));
        painter.drawText(QRect(bRect.left() + 32, bRect.top(), bRect.width() - 36, bRect.height()), Qt::AlignLeft | Qt::AlignVCenter, label);

        m_activeActionBubbles.push_back({bRect, act, tip});
    }
}

void QSceneRenderer::drawCityBorders(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    painter.setRenderHint(QPainter::Antialiasing, true);
    City *activeCity = GameManager::instance().getActiveCityView();

    for (const auto &city : GameManager::instance().getCities()) {
        if (activeCity && city.id != activeCity->id) continue;

        const Player *player = GameManager::instance().players().getPlayer(city.playerId);
        QColor ribbonColor = player ? player->primaryColor : QColor(255, 215, 60);

        for (const auto &t : city.territory) {
            int tx = t.first;
            int ty = t.second;
            QVector2D center = Pathfinder::hexToWorld(tx, ty);

            for (int e = 0; e < 6; ++e) {
                int nx, ny;
                getHexNeighbor(tx, ty, e, nx, ny);

                if (!city.ownsTile(nx, ny)) {
                    QVector2D p1, p2;
                    getHexEdgeEndpoints(e, p1, p2);

                    float wx1 = center.x() + p1.x();
                    float wy1 = center.y() + p1.y();
                    float wz1 = Unit::getTerrainHeight(wx1, wy1, m_point, m_numPoints05) + 0.035f;

                    float wx2 = center.x() + p2.x();
                    float wy2 = center.y() + p2.y();
                    float wz2 = Unit::getTerrainHeight(wx2, wy2, m_point, m_numPoints05) + 0.035f;

                    bool inFront1 = false, inFront2 = false;
                    QPointF s1 = UnitRenderer::projectToScreen(QVector3D(wx1, wy1, wz1), Projection, vMatrix, width(), height(), inFront1);
                    QPointF s2 = UnitRenderer::projectToScreen(QVector3D(wx2, wy2, wz2), Projection, vMatrix, width(), height(), inFront2);

                    if (inFront1 && inFront2) {
                        QColor glow = ribbonColor;
                        glow.setAlpha(90);
                        painter.setPen(QPen(glow, 5.5f, Qt::SolidLine, Qt::RoundCap));
                        painter.drawLine(s1, s2);

                        painter.setPen(QPen(ribbonColor, 2.6f, Qt::SolidLine, Qt::RoundCap));
                        painter.drawLine(s1, s2);
                    }
                }
            }
        }
    }
}

void QSceneRenderer::drawImprovementsOverlay(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    painter.setRenderHint(QPainter::Antialiasing, true);

    const auto &improvements = GameManager::instance().getTileImprovements();
    if (improvements.empty()) return;

    for (const auto &pair : improvements) {
        const TileImprovement &imp = pair.second;
        bool inFront = false;
        QPointF screenP = UnitRenderer::projectToScreen(imp.worldPos + QVector3D(0, 0, 0.20f), Projection, vMatrix, width(), height(), inFront);
        if (!inFront) continue;

        // Draw styled badge for improvement (Farm)
        float r = 14.0f;
        QRect badgeRect((int)(screenP.x() - r), (int)(screenP.y() - r), (int)(r * 2), (int)(r * 2));

        // Background disc
        painter.setBrush(QColor(24, 30, 20, 235));
        painter.setPen(QPen(QColor(235, 195, 60), 1.6));
        painter.drawEllipse(badgeRect);

        // Icon inside disc
        QImage farmIcon = getTintedIcon("images/actions/farm.png", QColor(255, 220, 75));
        painter.drawImage(QRectF(screenP.x() - 8, screenP.y() - 8, 16, 16), farmIcon);

        // Label pill under badge
        QRect labelRect((int)screenP.x() - 26, (int)screenP.y() + 13, 52, 13);
        painter.setBrush(QColor(15, 20, 28, 220));
        painter.setPen(QPen(QColor(200, 165, 50, 150), 1.0));
        painter.drawRoundedRect(labelRect, 3, 3);
        painter.setFont(QFont("sans-serif", 6, QFont::Bold));
        painter.setPen(QColor(255, 230, 130));
        painter.drawText(labelRect, Qt::AlignCenter, Localization::instance().get("ui.improvement.farm", "Farm"));
    }
}

void QSceneRenderer::drawCityViewOverlay(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    m_citySlotHits.clear();
    m_cityBuyTileHits.clear();
    m_cityProjectHits.clear();
    m_cityQueueItemHits.clear();
    m_cancelProjectBtnRect = QRect();
    m_tabBuildingsRect = QRect();
    m_tabUnitsRect = QRect();
    City *city = GameManager::instance().getActiveCityView();
    if (!city) return;

    painter.setRenderHint(QPainter::Antialiasing, true);

    const Player *player = GameManager::instance().players().getPlayer(city->playerId);
    QColor primaryCol = player ? player->primaryColor : Qt::blue;
    QColor secondaryCol = player ? player->secondaryColor : Qt::white;

    int maxRadius = TerrainYieldManager::instance().getCityConfig().maxWorkableRadius; // 3 deep hexagons

    // 1. Render all hexes up to 3 distance around the city
    for (int dx = -maxRadius - 2; dx <= maxRadius + 2; ++dx) {
        for (int dy = -maxRadius - 2; dy <= maxRadius + 2; ++dy) {
            int hx = city->tileX + dx;
            int hy = city->tileY + dy;
            if (hx < 0 || hx >= MAP_WIDTH || hy < 0 || hy >= MAP_HEIGHT) continue;

            int dist = Pathfinder::hexDistance(city->tileX, city->tileY, hx, hy);
            if (dist > maxRadius) continue;

            QVector2D center = Pathfinder::hexToWorld(hx, hy);
            float gz = Unit::getTerrainHeight(center.x(), center.y(), m_point, m_numPoints05);
            bool inFront = false;
            QPointF sCenter = UnitRenderer::projectToScreen(QVector3D(center.x(), center.y(), gz + 0.05f), Projection, vMatrix, width(), height(), inFront);
            if (!inFront) continue;

            bool isOwned = city->ownsTile(hx, hy);

            // Draw hexagon boundary outline
            QPolygonF hexPoly;
            bool polyValid = true;
            for (int e = 0; e < 6; ++e) {
                QVector2D p1, p2;
                getHexEdgeEndpoints(e, p1, p2);
                float px = center.x() + p1.x();
                float py = center.y() + p1.y();
                float pz = Unit::getTerrainHeight(px, py, m_point, m_numPoints05) + 0.02f;
                bool pInFront = false;
                QPointF sp = UnitRenderer::projectToScreen(QVector3D(px, py, pz), Projection, vMatrix, width(), height(), pInFront);
                if (!pInFront) { polyValid = false; break; }
                hexPoly << sp;
            }

            if (polyValid) {
                if (isOwned) {
                    painter.setPen(QPen(QColor(80, 200, 255, 140), 1.4, Qt::SolidLine));
                    painter.setBrush(QColor(40, 120, 200, 30));
                } else {
                    painter.setPen(QPen(QColor(120, 130, 145, 90), 1.0, Qt::DashLine));
                    painter.setBrush(QColor(20, 25, 35, 40));
                }
                painter.drawPolygon(hexPoly);
            }

            // Check workability
            QString tType = TerrainYieldManager::instance().getTerrainType(hx, hy, m_point, m_numPoints05);
            const TerrainYieldConfig *yCfg = TerrainYieldManager::instance().getYieldConfig(tType);

            if (isOwned) {
                if (yCfg && yCfg->workable) {
                    // Tile has 1 slot!
                    bool isWorked = city->isTileWorked(hx, hy);
                    QString bestRes = GameManager::instance().getBestTileResource(hx, hy, m_point, m_numPoints05);
                    QString res = city->getEffectiveResource(hx, hy, bestRes);
                    int amount = GameManager::instance().getTileYield(hx, hy, res, m_point, m_numPoints05);
                    const TileImprovement *imp = GameManager::instance().getImprovementAt(hx, hy);

                    float slotR = 15.0f;
                    QRect slotRect((int)(sCenter.x() - slotR), (int)(sCenter.y() - slotR), (int)(slotR * 2), (int)(slotR * 2));
                    m_citySlotHits.push_back({slotRect, hx, hy, res});

                    // Slot circle background
                    painter.setBrush(isWorked ? QColor(25, 55, 38, 245) : QColor(18, 25, 36, 225));
                    painter.setPen(QPen(isWorked ? QColor(80, 240, 120) : QColor(140, 175, 215), isWorked ? 2.2 : 1.2));
                    painter.drawEllipse(sCenter, slotR, slotR);

                    // Long-press charging progress ring on the active held slot
                    if (m_slotPressPending && m_pressedSlotTx == hx && m_pressedSlotTy == hy) {
                        int dur = TerrainYieldManager::instance().getCityConfig().slotLongPressDurationMs;
                        float charge = std::min(1.0f, (float)m_slotPressElapsed.elapsed() / (float)std::max(1, dur));
                        QRectF chargeRect(sCenter.x() - (slotR + 3.0f), sCenter.y() - (slotR + 3.0f), (slotR + 3.0f) * 2, (slotR + 3.0f) * 2);
                        painter.setPen(QPen(QColor(255, 220, 80, 230), 2.5));
                        painter.setBrush(Qt::NoBrush);
                        painter.drawArc(chargeRect, 90 * 16, -(int)(charge * 360 * 16));
                    }

                    // Active menu highlight ring
                    if (m_resourceMenuOpen && m_resourceMenuTx == hx && m_resourceMenuTy == hy) {
                        QRectF activeMenuRect(sCenter.x() - (slotR + 3.0f), sCenter.y() - (slotR + 3.0f), (slotR + 3.0f) * 2, (slotR + 3.0f) * 2);
                        painter.setPen(QPen(QColor(80, 200, 255, 240), 2.0));
                        painter.setBrush(Qt::NoBrush);
                        painter.drawEllipse(activeMenuRect);
                    }

                    // Resource icon
                    QImage rIcon = getTintedIcon("images/resources/" + res + ".png", isWorked ? QColor(80, 255, 120) : QColor(180, 210, 245));
                    painter.drawImage(QRectF(sCenter.x() - 8.5, sCenter.y() - 8.5, 17, 17), rIcon);

                    // If tile has farm/improvement, draw small icon on upper right of slot
                    if (imp) {
                        QImage fIcon = getTintedIcon("images/actions/farm.png", QColor(255, 215, 60));
                        painter.drawImage(QRectF(sCenter.x() + 8, sCenter.y() - 16, 14, 14), fIcon);
                    }

                    // Yield pill below slot
                    QRect pillRect((int)sCenter.x() - 26, (int)sCenter.y() + 16, 52, 14);
                    painter.setBrush(QColor(15, 20, 28, 220));
                    painter.setPen(QPen(isWorked ? QColor(80, 240, 120, 160) : QColor(80, 110, 140, 120), 1.0));
                    painter.drawRoundedRect(pillRect, 3, 3);
                    painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                    painter.setPen(isWorked ? QColor(100, 255, 140) : QColor(180, 205, 235));
                    painter.drawText(pillRect, Qt::AlignCenter, QString("+%1").arg(amount));

                    // If unworked and pop is available: show small green +
                    if (!isWorked && city->getAvailablePop() > 0) {
                        float pulse = (std::sin(m_elapsedTimer.elapsed() * 0.008f) + 1.0f) * 0.5f;
                        painter.setBrush(QColor(60, 220, 90, (int)(180 + pulse * 75)));
                        painter.setPen(Qt::NoPen);
                        painter.drawEllipse(QPointF(sCenter.x() + 10, sCenter.y() - 10), 4.5, 4.5);
                    }
                }
                // If not workable (e.g. Sneeuw / Snow): no slot is shown, as requested!
            } else {
                int otherCityId = -1;
                bool isOwnedByOther = GameManager::instance().isTileOwned(hx, hy, &otherCityId);
                if (!isOwnedByOther) {
                    // Unowned tile: Can be bought with culture!
                    int cultureCost = TerrainYieldManager::instance().getCityConfig().tileCultureCost;
                    bool canAfford = (player && player->culture >= cultureCost);

                    QRect buyRect((int)sCenter.x() - 34, (int)sCenter.y() - 14, 68, 28);
                    m_cityBuyTileHits.push_back({buyRect, hx, hy});

                    // Background & border
                    painter.setBrush(canAfford ? QColor(40, 20, 55, 235) : QColor(24, 18, 30, 215));
                    painter.setPen(QPen(canAfford ? QColor(220, 110, 255) : QColor(120, 80, 140), canAfford ? 1.8 : 1.0));
                    painter.drawRoundedRect(buyRect, 5, 5);

                    // Culture icon
                    QImage cultIcon = getTintedIcon("images/resources/cultuur.png", canAfford ? QColor(225, 120, 255) : QColor(150, 110, 170));
                    painter.drawImage(QRect(buyRect.left() + 4, buyRect.top() + 6, 16, 16), cultIcon);

                    // Price text
                    painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                    painter.setPen(canAfford ? QColor(255, 230, 255) : QColor(165, 145, 180));
                    QString costStr = QString("%L1").arg(cultureCost);
                    painter.drawText(QRect(buyRect.left() + 22, buyRect.top() + 2, buyRect.width() - 24, 13), Qt::AlignLeft | Qt::AlignVCenter, costStr);

                    // "Buy" subtitle
                    painter.setFont(QFont("sans-serif", 6, QFont::Bold));
                    painter.setPen(canAfford ? QColor(220, 140, 255) : QColor(140, 120, 155));
                    painter.drawText(QRect(buyRect.left() + 22, buyRect.top() + 14, buyRect.width() - 24, 12),
                                     Qt::AlignLeft | Qt::AlignVCenter,
                                     Localization::instance().get("ui.city.buy_tile", "BUY"));
                } else {
                    // Owned by another city
                    QRect lockRect((int)sCenter.x() - 16, (int)sCenter.y() - 8, 32, 16);
                    painter.setBrush(QColor(40, 20, 20, 190));
                    painter.setPen(QPen(QColor(160, 60, 60, 140), 1.0));
                    painter.drawRoundedRect(lockRect, 3, 3);
                    painter.setFont(QFont("sans-serif", 6, QFont::Bold));
                    painter.setPen(QColor(230, 130, 130));
                    painter.drawText(lockRect, Qt::AlignCenter,
                                     Localization::instance().get("ui.city.occupied", "OCCUPIED"));
                }
            }
        }
    }

    // 2. City Management Top Card
    int panelW = 340;
    int panelX = width() - panelW - 14;
    int availableCardW = std::max(360, panelX - 28);
    int cardW = std::min(600, availableCardW);
    int cardH = 174;
    int cardX = 14 + (panelX - 14 - cardW) / 2;
    QRect cardRect(cardX, 14, cardW, cardH);

    painter.setBrush(QColor(16, 22, 32, 245));
    painter.setPen(QPen(primaryCol, 1.8));
    painter.drawRoundedRect(cardRect, 10, 10);

    // City Title & Close Button
    painter.setFont(QFont("sans-serif", 13, QFont::Bold));
    painter.setPen(QColor(245, 250, 255));
    QString titleText = Localization::instance().get("ui.city.management_title", "%1 - CITY MANAGEMENT").arg(city->name.toUpper());
    painter.drawText(QRect(cardRect.left() + 16, cardRect.top() + 8, 380, 24), Qt::AlignLeft | Qt::AlignVCenter, titleText);

    // Close button [X]
    m_closeCityViewBtnRect = QRect(cardRect.right() - 88, cardRect.top() + 8, 74, 24);
    painter.setBrush(QColor(40, 50, 68, 220));
    painter.setPen(QPen(secondaryCol, 1.2));
    painter.drawRoundedRect(m_closeCityViewBtnRect, 4, 4);
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(220, 235, 255));
    painter.drawText(m_closeCityViewBtnRect, Qt::AlignCenter, Localization::instance().get("ui.city.close_btn", "[X] Close"));

    // Row 1: Population & Local Resources (Food & Labor are local to the city)
    int totalPop = city->getTotalPop();
    int assigned = city->getAssignedPop();
    int avail = city->getAvailablePop();

    painter.setFont(QFont("sans-serif", 8));
    painter.setPen(QColor(180, 205, 235));
    QString popInfo = Localization::instance().get("ui.city.local_info", "Local: Population: %L1 (%2 Pop: %3 working, %4 free)  |  Labor: %L5")
                          .arg(city->inhabitants).arg(totalPop).arg(assigned).arg(avail).arg(city->accumulatedLabor);
    painter.drawText(QRect(cardRect.left() + 16, cardRect.top() + 34, cardRect.width() - 32, 16), Qt::AlignLeft | Qt::AlignVCenter, popInfo);

    // Row 2: National Resources (Culture, Science, Gold, Faith belong to the nation)
    int cult = player ? player->culture : 0;
    int sci  = player ? player->science : 0;
    int gld  = player ? player->gold : 0;
    int fth  = player ? player->faith : 0;

    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(220, 160, 255));
    QString natInfo = Localization::instance().get("ui.city.national_info", "National: Culture: %L1  |  Science: %L2  |  Gold: %L3  |  Faith: %L4")
                          .arg(cult).arg(sci).arg(gld).arg(fth);
    painter.drawText(QRect(cardRect.left() + 16, cardRect.top() + 52, cardRect.width() - 32, 16), Qt::AlignLeft | Qt::AlignVCenter, natInfo);

    // Separator line
    painter.setPen(QPen(QColor(60, 85, 120, 150), 1.0));
    painter.drawLine(cardRect.left() + 16, cardRect.top() + 72, cardRect.right() - 16, cardRect.top() + 72);

    // Row 3: Total Yields Summary Row (Base 500 + worked tiles + buildings)
    CityYieldSummary summary = GameManager::instance().calculateCityYields(*city, m_point, m_numPoints05);

    struct YieldItem { QString name; int val; QString icon; QColor col; };
    std::vector<YieldItem> yields = {
        {"Food", summary.food, "images/resources/voedsel.png", QColor(100, 230, 110)},
        {"Labor", summary.labor, "images/resources/arbeid.png", QColor(240, 140, 50)},
        {"Science", summary.science, "images/resources/kennis.png", QColor(60, 190, 255)},
        {"Culture", summary.culture, "images/resources/cultuur.png", QColor(200, 110, 240)},
        {"Faith", summary.faith, "images/resources/geloof.png", QColor(255, 230, 80)},
        {"Gold", summary.gold, "images/resources/goud.png", QColor(255, 210, 50)}
    };

    int colW = (cardRect.width() - 32) / 6;
    for (size_t i = 0; i < yields.size(); ++i) {
        int cx = cardRect.left() + 16 + (int)i * colW;
        QRect yRect(cx, cardRect.top() + 78, colW - 6, 42);

        painter.setBrush(QColor(12, 16, 24, 180));
        painter.setPen(QPen(QColor(40, 60, 85, 120), 1.0));
        painter.drawRoundedRect(yRect, 4, 4);

        QImage icon = getTintedIcon(yields[i].icon, yields[i].col);
        painter.drawImage(QRect(yRect.left() + 6, yRect.top() + 5, 16, 16), icon);

        painter.setFont(QFont("sans-serif", 7));
        painter.setPen(QColor(160, 180, 205));
        painter.drawText(QRect(yRect.left() + 26, yRect.top() + 5, yRect.width() - 28, 16), Qt::AlignLeft | Qt::AlignVCenter, yields[i].name);

        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(yields[i].col);
        painter.drawText(QRect(yRect.left() + 6, yRect.top() + 22, yRect.width() - 12, 16), Qt::AlignLeft | Qt::AlignVCenter, QString("+%1/tick").arg(yields[i].val));
    }

    // Help instruction at bottom of top card
    painter.setFont(QFont("sans-serif", 7, QFont::StyleItalic));
    painter.setPen(QColor(140, 170, 200));
    painter.drawText(QRect(cardRect.left() + 16, cardRect.bottom() - 18, cardRect.width() - 32, 16), Qt::AlignCenter,
                     Localization::instance().get("ui.city.help_text", "Click a tile to assign 1 Pop | Click an unowned tile to buy with Culture."));

    // 3. City Production & Queue Vertical Panel (Right Side)
    int panelH = height() - 28;
    int panelY = 14;
    QRect prodPanelRect(panelX, panelY, panelW, panelH);

    painter.setBrush(QColor(16, 22, 32, 248));
    painter.setPen(QPen(primaryCol, 1.8));
    painter.drawRoundedRect(prodPanelRect, 10, 10);

    int curY = prodPanelRect.top() + 10;
    int innerX = prodPanelRect.left() + 12;
    int innerW = prodPanelRect.width() - 24;

    const CityConfig &cityCfg = TerrainYieldManager::instance().getCityConfig();
    int maxQueue = cityCfg.maxProductionQueueSize;

    // Header: City Production Title
    painter.setFont(QFont("sans-serif", 9, QFont::Bold));
    painter.setPen(QColor(230, 240, 255));
    painter.drawText(QRect(innerX, curY, innerW - 80, 18),
                     Qt::AlignLeft | Qt::AlignVCenter,
                     Localization::instance().get("ui.city.production_panel_title", "CITY PRODUCTION"));

    // Queue count indicator
    int totalQueuedCount = (int)city->projectQueue.size() + (city->hasActiveProject() ? 1 : 0);
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(totalQueuedCount > maxQueue ? QColor(255, 120, 120) : QColor(140, 185, 225));
    painter.drawText(QRect(innerX + innerW - 80, curY, 80, 18),
                     Qt::AlignRight | Qt::AlignVCenter,
                     QString("%1 / %2").arg(totalQueuedCount).arg(maxQueue + 1));
    curY += 22;

    // Section 1: Active Production Header
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(220, 200, 140));
    painter.drawText(QRect(innerX, curY, innerW, 16),
                     Qt::AlignLeft | Qt::AlignVCenter,
                     Localization::instance().get("ui.city.current_production", "CURRENT PRODUCTION"));
    curY += 18;

    if (city->hasActiveProject()) {
        const CityProject &proj = city->currentProject;
        float progress = proj.getProgress();
        int pct = (int)(progress * 100.0f);
        int remainingLabor = proj.getRemainingLabor();
        int laborRate = std::max(1, summary.labor);
        int estTicks = (int)std::ceil((float)remainingLabor / (float)laborRate);

        QRect activeBox(innerX, curY, innerW, 82);
        painter.setBrush(QColor(24, 34, 48, 220));
        painter.setPen(QPen(QColor(255, 215, 60, 180), 1.2));
        painter.drawRoundedRect(activeBox, 6, 6);

        // Project Icon
        QString projIconPath = "images/improvements/granary.png";
        if (proj.type == CityProjectType::Unit) {
            const UnitConfig *uCfg = GameManager::instance().unitConfigs().getConfig(proj.id);
            if (uCfg && !uCfg->iconPath.isEmpty()) projIconPath = uCfg->iconPath;
        } else if (proj.type == CityProjectType::Building) {
            const BuildingConfig *bCfg = GameManager::instance().buildingConfigs().getBuilding(proj.id);
            if (bCfg && !bCfg->iconPath.isEmpty()) projIconPath = bCfg->iconPath;
        }
        QImage pIcon = getTintedIcon(projIconPath, QColor(255, 215, 60));
        painter.drawImage(QRect(activeBox.left() + 8, activeBox.top() + 8, 26, 26), pIcon);

        // Name
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(QColor(255, 235, 120));
        painter.drawText(QRect(activeBox.left() + 38, activeBox.top() + 6, activeBox.width() - 105, 16),
                         Qt::AlignLeft | Qt::AlignVCenter, proj.name);

        // District / Type
        painter.setFont(QFont("sans-serif", 7));
        painter.setPen(QColor(170, 195, 220));
        QString typeDesc = (proj.type == CityProjectType::Unit)
                               ? Localization::instance().get("ui.city.tab_units", "Unit")
                               : QString("Building (%1)").arg(proj.district);
        painter.drawText(QRect(activeBox.left() + 38, activeBox.top() + 21, activeBox.width() - 105, 13),
                         Qt::AlignLeft | Qt::AlignVCenter, typeDesc);

        // Cancel button
        m_cancelProjectBtnRect = QRect(activeBox.right() - 62, activeBox.top() + 7, 56, 22);
        painter.setBrush(QColor(50, 25, 30, 220));
        painter.setPen(QPen(QColor(220, 90, 90), 1.0));
        painter.drawRoundedRect(m_cancelProjectBtnRect, 4, 4);
        painter.setFont(QFont("sans-serif", 7, QFont::Bold));
        painter.setPen(QColor(255, 150, 150));
        painter.drawText(m_cancelProjectBtnRect, Qt::AlignCenter,
                         Localization::instance().get("ui.city.cancel_btn", "Cancel"));

        // Progress Bar
        QRect barBg(activeBox.left() + 8, activeBox.top() + 40, activeBox.width() - 16, 15);
        painter.setBrush(QColor(18, 25, 36));
        painter.setPen(QPen(QColor(55, 80, 115), 1.0));
        painter.drawRoundedRect(barBg, 3, 3);

        QRect barFg(activeBox.left() + 8, activeBox.top() + 40, (int)((activeBox.width() - 16) * progress), 15);
        painter.setBrush(QColor(240, 145, 40));
        painter.setPen(Qt::NoPen);
        painter.drawRoundedRect(barFg, 3, 3);

        painter.setFont(QFont("sans-serif", 7, QFont::Bold));
        painter.setPen(Qt::white);
        QString progText = QString("%1% (%L2 / %L3 Labor)").arg(pct).arg(proj.currentLabor).arg(proj.laborCost);
        painter.drawText(barBg, Qt::AlignCenter, progText);

        // Subtitle: Estimated ticks remaining
        painter.setFont(QFont("sans-serif", 7));
        painter.setPen(QColor(160, 185, 215));
        painter.drawText(QRect(activeBox.left() + 8, activeBox.top() + 59, activeBox.width() - 16, 14),
                         Qt::AlignLeft | Qt::AlignVCenter,
                         QString("~%1 %2 remaining (+%3 Labor/tick)")
                             .arg(estTicks).arg(estTicks == 1 ? "tick" : "ticks").arg(laborRate));

        curY += 88;
    } else {
        // No active project
        QRect noActiveBox(innerX, curY, innerW, 44);
        painter.setBrush(QColor(20, 26, 36, 180));
        painter.setPen(QPen(QColor(50, 65, 85), 1.0));
        painter.drawRoundedRect(noActiveBox, 6, 6);

        painter.setFont(QFont("sans-serif", 8, QFont::StyleItalic));
        painter.setPen(QColor(180, 195, 210));
        painter.drawText(QRect(noActiveBox.left() + 10, noActiveBox.top() + 6, noActiveBox.width() - 20, 16),
                         Qt::AlignLeft | Qt::AlignVCenter,
                         Localization::instance().get("ui.city.no_project", "No active project"));

        painter.setFont(QFont("sans-serif", 7));
        painter.setPen(QColor(140, 160, 180));
        painter.drawText(QRect(noActiveBox.left() + 10, noActiveBox.top() + 22, noActiveBox.width() - 20, 16),
                         Qt::AlignLeft | Qt::AlignVCenter,
                         Localization::instance().get("ui.city.select_prompt", "Select an item below to construct"));
        curY += 50;
    }

    // Section 2: Queue Header
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(180, 205, 235));
    QString qHeader = Localization::instance().get("ui.city.queue_header", "QUEUE (%1 / %2)")
                          .arg(city->projectQueue.size()).arg(maxQueue);
    painter.drawText(QRect(innerX, curY, innerW, 16), Qt::AlignLeft | Qt::AlignVCenter, qHeader);
    curY += 18;

    if (city->projectQueue.empty()) {
        QRect emptyQBox(innerX, curY, innerW, 26);
        painter.setBrush(QColor(18, 24, 34, 140));
        painter.setPen(QPen(QColor(40, 55, 75, 100), 1.0, Qt::DashLine));
        painter.drawRoundedRect(emptyQBox, 4, 4);

        painter.setFont(QFont("sans-serif", 7, QFont::StyleItalic));
        painter.setPen(QColor(130, 150, 175));
        painter.drawText(emptyQBox, Qt::AlignCenter,
                         Localization::instance().get("ui.city.queue_empty", "Queue is empty"));
        curY += 32;
    } else {
        for (size_t qi = 0; qi < city->projectQueue.size(); ++qi) {
            const CityProject &qProj = city->projectQueue[qi];
            QRect qRow(innerX, curY, innerW, 28);

            painter.setBrush(QColor(22, 30, 42, 210));
            painter.setPen(QPen(QColor(50, 70, 95), 1.0));
            painter.drawRoundedRect(qRow, 4, 4);

            // Badge #1, #2
            QRect numBadge(qRow.left() + 4, qRow.top() + 4, 22, 20);
            painter.setBrush(QColor(40, 60, 90));
            painter.setPen(Qt::NoPen);
            painter.drawRoundedRect(numBadge, 3, 3);
            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(180, 220, 255));
            painter.drawText(numBadge, Qt::AlignCenter, QString("#%1").arg(qi + 1));

            // Icon
            QString qIconPath = "images/improvements/granary.png";
            if (qProj.type == CityProjectType::Unit) {
                const UnitConfig *uCfg = GameManager::instance().unitConfigs().getConfig(qProj.id);
                if (uCfg && !uCfg->iconPath.isEmpty()) qIconPath = uCfg->iconPath;
            } else if (qProj.type == CityProjectType::Building) {
                const BuildingConfig *bCfg = GameManager::instance().buildingConfigs().getBuilding(qProj.id);
                if (bCfg && !bCfg->iconPath.isEmpty()) qIconPath = bCfg->iconPath;
            }
            QImage qIcon = getTintedIcon(qIconPath, QColor(255, 215, 60));
            painter.drawImage(QRect(qRow.left() + 30, qRow.top() + 5, 18, 18), qIcon);

            // Name
            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(230, 240, 255));
            painter.drawText(QRect(qRow.left() + 52, qRow.top() + 2, innerW - 138, 24),
                             Qt::AlignLeft | Qt::AlignVCenter, qProj.name);

            // Labor Cost
            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(QColor(240, 160, 50));
            painter.drawText(QRect(qRow.right() - 84, qRow.top() + 2, 54, 24),
                             Qt::AlignRight | Qt::AlignVCenter, QString("%1 L").arg(qProj.laborCost));

            // Remove Button [X]
            QRect remRect(qRow.right() - 24, qRow.top() + 4, 20, 20);
            painter.setBrush(QColor(50, 25, 30, 200));
            painter.setPen(QPen(QColor(200, 80, 80), 1.0));
            painter.drawRoundedRect(remRect, 3, 3);
            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(255, 140, 140));
            painter.drawText(remRect, Qt::AlignCenter, "X");

            m_cityQueueItemHits.push_back({remRect, (int)qi});
            curY += 32;
        }
    }

    // Section 3: Districts Header
    painter.setPen(QPen(QColor(60, 85, 120, 150), 1.0));
    painter.drawLine(innerX, curY + 2, innerX + innerW, curY + 2);
    curY += 8;

    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(220, 200, 140));
    painter.drawText(QRect(innerX, curY, innerW, 16),
                     Qt::AlignLeft | Qt::AlignVCenter,
                     Localization::instance().get("ui.city.districts_header", "DISTRICT: CITY CENTER"));
    curY += 18;

    if (!city->completedBuildings.empty()) {
        for (const QString &bId : city->completedBuildings) {
            const BuildingConfig *bCfg = GameManager::instance().buildingConfigs().getBuilding(bId);
            if (!bCfg) continue;

            QRect bBadge(innerX, curY, innerW, 28);
            painter.setBrush(QColor(22, 38, 28, 210));
            painter.setPen(QPen(QColor(80, 220, 120), 1.0));
            painter.drawRoundedRect(bBadge, 4, 4);

            QImage bIcon = getTintedIcon(bCfg->iconPath.isEmpty() ? "images/improvements/granary.png" : bCfg->iconPath, QColor(80, 240, 120));
            painter.drawImage(QRect(bBadge.left() + 6, bBadge.top() + 5, 18, 18), bIcon);

            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(210, 255, 220));
            painter.drawText(QRect(bBadge.left() + 28, bBadge.top() + 2, 100, 24),
                             Qt::AlignLeft | Qt::AlignVCenter, bCfg->name);

            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(QColor(160, 230, 180));
            painter.drawText(QRect(bBadge.left() + 132, bBadge.top() + 2, bBadge.width() - 136, 24),
                             Qt::AlignLeft | Qt::AlignVCenter, bCfg->description);
            curY += 32;
        }
    } else {
        painter.setFont(QFont("sans-serif", 7, QFont::StyleItalic));
        painter.setPen(QColor(140, 160, 180));
        painter.drawText(QRect(innerX, curY, innerW, 16),
                         Qt::AlignLeft | Qt::AlignVCenter,
                         Localization::instance().get("ui.city.no_buildings", "No extensions built yet"));
        curY += 20;
    }

    // Section 4: Projects Section Divider & Tabs
    painter.setPen(QPen(QColor(60, 85, 120, 150), 1.0));
    painter.drawLine(innerX, curY + 2, innerX + innerW, curY + 2);
    curY += 8;

    // Tabs: Buildings & Units
    int tabW = (innerW - 8) / 2;
    int tabH = 22;
    m_tabBuildingsRect = QRect(innerX, curY, tabW, tabH);
    m_tabUnitsRect = QRect(m_tabBuildingsRect.right() + 8, curY, tabW, tabH);

    bool isBTab = (m_cityProjectTab == 0);
    painter.setBrush(isBTab ? QColor(45, 75, 120, 240) : QColor(25, 35, 50, 180));
    painter.setPen(QPen(isBTab ? QColor(100, 190, 255) : QColor(60, 85, 120), isBTab ? 1.5 : 1.0));
    painter.drawRoundedRect(m_tabBuildingsRect, 4, 4);
    painter.setFont(QFont("sans-serif", 8, isBTab ? QFont::Bold : QFont::Normal));
    painter.setPen(isBTab ? Qt::white : QColor(160, 185, 215));
    painter.drawText(m_tabBuildingsRect, Qt::AlignCenter,
                     Localization::instance().get("ui.city.tab_buildings", "Buildings"));

    bool isUTab = (m_cityProjectTab == 1);
    painter.setBrush(isUTab ? QColor(45, 75, 120, 240) : QColor(25, 35, 50, 180));
    painter.setPen(QPen(isUTab ? QColor(100, 190, 255) : QColor(60, 85, 120), isUTab ? 1.5 : 1.0));
    painter.drawRoundedRect(m_tabUnitsRect, 4, 4);
    painter.setFont(QFont("sans-serif", 8, isUTab ? QFont::Bold : QFont::Normal));
    painter.setPen(isUTab ? Qt::white : QColor(160, 185, 215));
    painter.drawText(m_tabUnitsRect, Qt::AlignCenter,
                     Localization::instance().get("ui.city.tab_units", "Units"));
    curY += 28;

    // List of available projects under selected tab
    int itemH = 50;
    if (m_cityProjectTab == 0) {
        // Buildings tab (only show unlocked, non-obsolete buildings)
        const auto &buildings = GameManager::instance().buildingConfigs().getAllBuildings();
        for (auto it = buildings.begin(); it != buildings.end(); ++it) {
            if (curY + itemH > prodPanelRect.bottom() - 6) break;

            const BuildingConfig &bCfg = it.value();
            if (player) {
                if (!player->isItemUnlocked(bCfg.requiredTech)) continue;
                if (player->isItemObsolete(bCfg.obsoleteTech)) continue;
            }
            QRect itemRect(innerX, curY, innerW, itemH);

            bool alreadyBuilt = city->hasBuilding(bCfg.id);
            bool isActiveProj = (city->hasActiveProject() && city->currentProject.type == CityProjectType::Building && city->currentProject.id == bCfg.id);
            int qPos = city->getQueuedBuildingPosition(bCfg.id);
            bool isQueued = (qPos > 0);
            bool isQueueFull = ((int)city->projectQueue.size() >= maxQueue && city->hasActiveProject());

            painter.setBrush(isActiveProj ? QColor(35, 50, 75, 230)
                            : (isQueued ? QColor(26, 40, 58, 220)
                            : (alreadyBuilt ? QColor(20, 25, 32, 190) : QColor(24, 32, 46, 220))));
            painter.setPen(QPen(isActiveProj ? QColor(255, 220, 50)
                            : (isQueued ? QColor(100, 190, 255)
                            : (alreadyBuilt ? QColor(60, 75, 95) : QColor(70, 100, 140))),
                            (isActiveProj || isQueued) ? 1.5 : 1.0));
            painter.drawRoundedRect(itemRect, 6, 6);

            // Icon
            QImage bIcon = getTintedIcon(bCfg.iconPath.isEmpty() ? "images/improvements/granary.png" : bCfg.iconPath,
                                         alreadyBuilt ? QColor(120, 140, 160) : QColor(255, 215, 60));
            painter.drawImage(QRect(itemRect.left() + 6, itemRect.top() + 7, 24, 24), bIcon);

            // Name
            painter.setFont(QFont("sans-serif", 8, QFont::Bold));
            painter.setPen(alreadyBuilt ? QColor(150, 165, 180) : QColor(245, 250, 255));
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 4, itemRect.width() - 105, 15),
                             Qt::AlignLeft | Qt::AlignVCenter, bCfg.name);

            // Cost & estimated ticks
            int estTicks = (int)std::ceil((float)bCfg.laborCost / (float)std::max(1, summary.labor));
            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(QColor(240, 160, 50));
            QString costStr = QString("%L1 Labor (~%2 %3)").arg(bCfg.laborCost).arg(estTicks).arg(estTicks == 1 ? "tick" : "ticks");
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 19, itemRect.width() - 105, 13),
                             Qt::AlignLeft | Qt::AlignVCenter, costStr);

            // Description / Effect
            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(alreadyBuilt ? QColor(120, 180, 140) : QColor(100, 240, 130));
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 32, itemRect.width() - 40, 14),
                             Qt::AlignLeft | Qt::AlignVCenter, bCfg.description);

            // Action Button / Status badge on right side
            QRect btnRect(itemRect.right() - 66, itemRect.top() + 12, 60, 26);
            if (alreadyBuilt) {
                painter.setBrush(QColor(30, 40, 35, 180));
                painter.setPen(QPen(QColor(70, 120, 85), 1.0));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(QColor(120, 180, 130));
                painter.drawText(btnRect, Qt::AlignCenter,
                                 Localization::instance().get("ui.city.status_built", "BUILT"));
            } else if (isActiveProj) {
                painter.setBrush(QColor(60, 50, 20, 220));
                painter.setPen(QPen(QColor(255, 215, 50), 1.2));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(QColor(255, 230, 80));
                painter.drawText(btnRect, Qt::AlignCenter,
                                 Localization::instance().get("ui.city.status_in_progress", "ACTIVE"));
            } else if (isQueued) {
                painter.setBrush(QColor(30, 50, 75, 220));
                painter.setPen(QPen(QColor(80, 180, 255), 1.2));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(QColor(140, 215, 255));
                painter.drawText(btnRect, Qt::AlignCenter,
                                 Localization::instance().get("ui.city.status_queued", "QUEUED #%1").arg(qPos));
            } else if (isQueueFull) {
                painter.setBrush(QColor(40, 30, 35, 180));
                painter.setPen(QPen(QColor(120, 70, 75), 1.0));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(QColor(180, 130, 135));
                painter.drawText(btnRect, Qt::AlignCenter,
                                 Localization::instance().get("ui.city.status_full", "FULL"));
            } else {
                bool hasAct = city->hasActiveProject();
                painter.setBrush(hasAct ? QColor(25, 55, 90, 240) : QColor(30, 60, 100, 240));
                painter.setPen(QPen(hasAct ? QColor(60, 175, 245) : QColor(80, 160, 255), 1.2));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(Qt::white);
                QString btnLabel = hasAct
                                       ? Localization::instance().get("ui.city.btn_queue", "+ Queue")
                                       : Localization::instance().get("ui.city.btn_build", "Build");
                painter.drawText(btnRect, Qt::AlignCenter, btnLabel);

                m_cityProjectHits.push_back({btnRect, CityProjectType::Building, bCfg.id});
            }

            curY += itemH + 6;
        }
    } else {
        // Units tab (only show unlocked, non-obsolete units)
        const auto &units = GameManager::instance().unitConfigs().getAllConfigs();
        for (auto it = units.begin(); it != units.end(); ++it) {
            if (curY + itemH > prodPanelRect.bottom() - 6) break;

            const UnitConfig &uCfg = it.value();
            if (player) {
                if (!player->isItemUnlocked(uCfg.requiredTech)) continue;
                if (player->isItemObsolete(uCfg.obsoleteTech)) continue;
            }
            QRect itemRect(innerX, curY, innerW, itemH);

            bool isActiveProj = (city->hasActiveProject() && city->currentProject.type == CityProjectType::Unit && city->currentProject.id == uCfg.id);
            int qCount = city->getQueuedUnitCount(uCfg.id);
            bool isQueueFull = ((int)city->projectQueue.size() >= maxQueue && city->hasActiveProject());

            painter.setBrush(isActiveProj ? QColor(35, 50, 75, 230) : QColor(24, 32, 46, 220));
            painter.setPen(QPen(isActiveProj ? QColor(255, 220, 50) : QColor(70, 100, 140), isActiveProj ? 1.5 : 1.0));
            painter.drawRoundedRect(itemRect, 6, 6);

            // Icon
            QImage uIcon = getTintedIcon(uCfg.iconPath, primaryCol);
            painter.drawImage(QRect(itemRect.left() + 6, itemRect.top() + 7, 24, 24), uIcon);

            // Name + Queued Count
            painter.setFont(QFont("sans-serif", 8, QFont::Bold));
            painter.setPen(QColor(245, 250, 255));
            QString uName = uCfg.name;
            if (qCount > 0) {
                uName += QString(" (%1 queued)").arg(qCount);
            }
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 4, itemRect.width() - 105, 15),
                             Qt::AlignLeft | Qt::AlignVCenter, uName);

            // Cost & estimated ticks
            int estTicks = (int)std::ceil((float)uCfg.laborCost / (float)std::max(1, summary.labor));
            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(QColor(240, 160, 50));
            QString costStr = QString("%L1 Labor (~%2 %3)").arg(uCfg.laborCost).arg(estTicks).arg(estTicks == 1 ? "tick" : "ticks");
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 19, itemRect.width() - 105, 13),
                             Qt::AlignLeft | Qt::AlignVCenter, costStr);

            // Stats info
            painter.setFont(QFont("sans-serif", 7));
            painter.setPen(QColor(160, 185, 215));
            QString infoStr = unitCategoryToString(uCfg.category);
            if (uCfg.isMilitary()) {
                infoStr += QString(" | HP: %1 | Atk: %2").arg(uCfg.health).arg(uCfg.attackDamage);
            }
            painter.drawText(QRect(itemRect.left() + 36, itemRect.top() + 32, itemRect.width() - 40, 14),
                             Qt::AlignLeft | Qt::AlignVCenter, infoStr);

            // Action Button on right side
            QRect btnRect(itemRect.right() - 66, itemRect.top() + 12, 60, 26);
            if (isQueueFull) {
                painter.setBrush(QColor(40, 30, 35, 180));
                painter.setPen(QPen(QColor(120, 70, 75), 1.0));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(QColor(180, 130, 135));
                painter.drawText(btnRect, Qt::AlignCenter,
                                 Localization::instance().get("ui.city.status_full", "FULL"));
            } else {
                bool hasAct = city->hasActiveProject();
                painter.setBrush(hasAct ? QColor(25, 55, 90, 240) : QColor(30, 60, 100, 240));
                painter.setPen(QPen(hasAct ? QColor(60, 175, 245) : QColor(80, 160, 255), 1.2));
                painter.drawRoundedRect(btnRect, 4, 4);
                painter.setFont(QFont("sans-serif", 7, QFont::Bold));
                painter.setPen(Qt::white);
                QString btnLabel = hasAct
                                       ? Localization::instance().get("ui.city.btn_queue", "+ Queue")
                                       : Localization::instance().get("ui.city.btn_train", "Train");
                painter.drawText(btnRect, Qt::AlignCenter, btnLabel);

                m_cityProjectHits.push_back({btnRect, CityProjectType::Unit, uCfg.id});
            }

            curY += itemH + 6;
        }
    }

    // 4. Resource Selection Popup Menu (if open)
    if (m_resourceMenuOpen) {
        drawCityResourceMenu(painter, vMatrix);
    }
}

void QSceneRenderer::onSlotLongPressTimeout()
{
    if (m_slotPressPending && GameManager::instance().isInCityView()) {
        m_slotLongPressTriggered = true;
        m_slotPressPending = false;
        m_resourceMenuOpen = true;
        m_resourceMenuTx = m_pressedSlotTx;
        m_resourceMenuTy = m_pressedSlotTy;
        update();
    }
}

void QSceneRenderer::drawCityResourceMenu(QPainter &painter, const QMatrix4x4 &vMatrix)
{
    m_cityResourceChoiceHits.clear();
    m_resourceMenuCloseBtnRect = QRect();
    m_resourceMenuRect = QRect();

    City *city = GameManager::instance().getActiveCityView();
    if (!city) {
        m_resourceMenuOpen = false;
        return;
    }

    int tx = m_resourceMenuTx;
    int ty = m_resourceMenuTy;
    if (!city->ownsTile(tx, ty)) {
        m_resourceMenuOpen = false;
        return;
    }

    QVector2D center = Pathfinder::hexToWorld(tx, ty);
    float gz = Unit::getTerrainHeight(center.x(), center.y(), m_point, m_numPoints05);
    bool inFront = false;
    QPointF sCenter = UnitRenderer::projectToScreen(QVector3D(center.x(), center.y(), gz + 0.05f), Projection, vMatrix, width(), height(), inFront);
    if (!inFront) return;

    QString tType = TerrainYieldManager::instance().getTerrainType(tx, ty, m_point, m_numPoints05);
    const TerrainYieldConfig *yCfg = TerrainYieldManager::instance().getYieldConfig(tType);
    QString tName = yCfg ? yCfg->name : tType;
    const TileImprovement *imp = GameManager::instance().getImprovementAt(tx, ty);
    if (imp) {
        const ImprovementConfig *iCfg = TerrainYieldManager::instance().getImprovementConfig(imp->improvementId);
        if (iCfg) {
            tName += QString(" (%1)").arg(iCfg->name);
        }
    }

    const CityConfig &cCfg = TerrainYieldManager::instance().getCityConfig();
    QStringList resources = cCfg.resourcePriority;
    if (resources.isEmpty()) {
        resources = QStringList{"voedsel", "arbeid", "goud", "kennis", "cultuur", "geloof"};
    }

    QString bestRes = GameManager::instance().getBestTileResource(tx, ty, m_point, m_numPoints05);
    QString activeRes = city->getEffectiveResource(tx, ty, bestRes);

    int menuW = 240;
    int rowH = 32;
    int headerH = 46;
    int footerH = 10;
    int menuH = headerH + (resources.size() * rowH) + footerH;

    // Anchor menu near sCenter
    int menuX = (int)sCenter.x() + 24;
    int menuY = (int)sCenter.y() - menuH / 2;
    if (menuX + menuW > width() - 15) {
        menuX = (int)sCenter.x() - menuW - 24;
    }
    if (menuX < 15) menuX = 15;
    if (menuY + menuH > height() - 15) {
        menuY = height() - 15 - menuH;
    }
    if (menuY < 15) menuY = 15;

    m_resourceMenuRect = QRect(menuX, menuY, menuW, menuH);

    // Connecting line from slot to menu card
    painter.setPen(QPen(QColor(80, 200, 255, 120), 1.5, Qt::DashLine));
    painter.drawLine(sCenter, QPointF(menuX < sCenter.x() ? menuX + menuW : menuX, menuY + menuH / 2));

    // Drop shadow
    painter.setBrush(QColor(0, 0, 0, 160));
    painter.setPen(Qt::NoPen);
    painter.drawRoundedRect(m_resourceMenuRect.adjusted(4, 4, 4, 4), 8, 8);

    // Card background
    painter.setBrush(QColor(16, 22, 32, 250));
    painter.setPen(QPen(QColor(80, 180, 240), 1.6));
    painter.drawRoundedRect(m_resourceMenuRect, 8, 8);

    // Header Title
    painter.setFont(QFont("sans-serif", 9, QFont::Bold));
    painter.setPen(QColor(240, 248, 255));
    QString title = Localization::instance().get("ui.city.select_resource", "SELECT RESOURCE");
    painter.drawText(QRect(menuX + 12, menuY + 6, menuW - 40, 18), Qt::AlignLeft | Qt::AlignVCenter, title);

    // Close button [X]
    m_resourceMenuCloseBtnRect = QRect(menuX + menuW - 26, menuY + 6, 20, 18);
    painter.setFont(QFont("sans-serif", 9, QFont::Bold));
    painter.setPen(QColor(180, 190, 205));
    painter.drawText(m_resourceMenuCloseBtnRect, Qt::AlignCenter, "×");

    // Subtitle (tile info)
    painter.setFont(QFont("sans-serif", 7));
    painter.setPen(QColor(140, 170, 200));
    painter.drawText(QRect(menuX + 12, menuY + 24, menuW - 24, 16), Qt::AlignLeft | Qt::AlignVCenter, tName);

    // Divider line
    painter.setPen(QPen(QColor(50, 75, 105), 1.0));
    painter.drawLine(menuX + 10, menuY + 44, menuX + menuW - 10, menuY + 44);

    // Rows
    int currY = menuY + headerH;
    for (const QString &res : resources) {
        int yieldVal = GameManager::instance().getTileYield(tx, ty, res, m_point, m_numPoints05);
        bool isActive = (res == activeRes);
        bool isBest = (res == bestRes);

        QRect rowRect(menuX + 8, currY, menuW - 16, rowH - 4);
        m_cityResourceChoiceHits.push_back({rowRect, res, yieldVal});

        bool isHovered = rowRect.contains(m_mouseCurrentPos);

        // Row background
        if (isActive) {
            painter.setBrush(QColor(30, 65, 45, 240));
            painter.setPen(QPen(QColor(80, 240, 120), 1.4));
        } else if (isHovered) {
            painter.setBrush(QColor(40, 60, 85, 230));
            painter.setPen(QPen(QColor(100, 190, 255), 1.2));
        } else {
            painter.setBrush(QColor(22, 30, 42, 210));
            painter.setPen(QPen(QColor(45, 60, 80), 1.0));
        }
        painter.drawRoundedRect(rowRect, 5, 5);

        // Resource icon
        QColor iconColor;
        if (res == "voedsel") iconColor = QColor(90, 255, 130);
        else if (res == "arbeid") iconColor = QColor(255, 160, 60);
        else if (res == "goud") iconColor = QColor(255, 215, 60);
        else if (res == "kennis") iconColor = QColor(80, 180, 255);
        else if (res == "cultuur") iconColor = QColor(225, 110, 255);
        else if (res == "geloof") iconColor = QColor(220, 230, 255);
        else iconColor = QColor(200, 220, 240);

        QImage resIcon = getTintedIcon("images/resources/" + res + ".png", iconColor);
        painter.drawImage(QRect(rowRect.left() + 6, rowRect.top() + (rowRect.height() - 18) / 2, 18, 18), resIcon);

        // Resource Name
        QString resName = Localization::instance().get(QString("ui.resources.%1").arg(res), res);
        painter.setFont(QFont("sans-serif", 8, isHovered || isActive ? QFont::Bold : QFont::Normal));
        painter.setPen(isActive ? QColor(100, 255, 150) : (isHovered ? QColor(255, 255, 255) : QColor(200, 215, 230)));
        painter.drawText(QRect(rowRect.left() + 28, rowRect.top(), 80, rowRect.height()), Qt::AlignLeft | Qt::AlignVCenter, resName);

        // Best tag
        if (isBest) {
            QRect bestRect(rowRect.left() + 110, rowRect.top() + (rowRect.height() - 14) / 2, 34, 14);
            painter.setBrush(QColor(80, 65, 20, 220));
            painter.setPen(QPen(QColor(255, 205, 50), 1.0));
            painter.drawRoundedRect(bestRect, 3, 3);
            painter.setFont(QFont("sans-serif", 6, QFont::Bold));
            painter.setPen(QColor(255, 220, 80));
            painter.drawText(bestRect, Qt::AlignCenter, Localization::instance().get("ui.city.best_yield", "BEST"));
        }

        // Active indicator or yield amount
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(isActive ? QColor(80, 255, 120) : (yieldVal > 0 ? QColor(160, 230, 255) : QColor(130, 145, 160)));
        QString yieldText = QString("+%L1").arg(yieldVal);
        painter.drawText(QRect(rowRect.right() - 70, rowRect.top(), 64, rowRect.height()), Qt::AlignRight | Qt::AlignVCenter, yieldText);

        currY += rowH;
    }
}

void QSceneRenderer::mousePressEvent(QMouseEvent *event)
{
    // 0. If in City View: handle close button, project tabs/hits, cancel, and slot clicks
    if (GameManager::instance().isInCityView()) {
        City *city = GameManager::instance().getActiveCityView();

        // 0a. Handle Resource Selection Menu clicks (if open)
        if (m_resourceMenuOpen) {
            if (m_resourceMenuCloseBtnRect.contains(event->pos())) {
                m_resourceMenuOpen = false;
                update();
                return;
            }

            for (const auto &choice : m_cityResourceChoiceHits) {
                if (choice.rect.contains(event->pos())) {
                    if (city) {
                        int tx = m_resourceMenuTx;
                        int ty = m_resourceMenuTy;
                        city->setTilePreferredResource(tx, ty, choice.res);

                        QVector2D w = Pathfinder::hexToWorld(tx, ty);
                        float gz = Unit::getTerrainHeight(w.x(), w.y(), m_point, m_numPoints05);
                        QString resName = Localization::instance().get(QString("ui.resources.%1").arg(choice.res), choice.res);

                        if (city->isTileWorked(tx, ty)) {
                            // Already working: switch active producing resource
                            QString msg = Localization::instance().get("ui.city.resource_switched", "Producing %1 (+%2)").arg(resName).arg(choice.amount);
                            GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(80, 255, 120));
                        } else {
                            if (city->getAvailablePop() > 0) {
                                city->assignWorker(tx, ty, choice.res);
                                QString msg = Localization::instance().get("ui.city.worker_assigned_res", "+1 Pop: %1 (+%2)").arg(resName).arg(choice.amount);
                                GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(80, 255, 120));
                            } else {
                                QString msg = Localization::instance().get("ui.city.resource_preferred", "Slot set to %1 (+%2)").arg(resName).arg(choice.amount);
                                GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(255, 220, 80));
                            }
                        }
                    }
                    m_resourceMenuOpen = false;
                    update();
                    return;
                }
            }

            // Clicked outside resource menu: dismiss popup
            m_resourceMenuOpen = false;
            update();
            return;
        }

        if (m_closeCityViewBtnRect.contains(event->pos())) {
            m_resourceMenuOpen = false;
            m_slotPressPending = false;
            cameraPosition = m_savedCamPos;
            m_zoom = m_savedZoom;
            zRot = m_savedZRot;
            GameManager::instance().exitCityView();
            update();
            return;
        }

        // Tab switches
        if (m_tabBuildingsRect.contains(event->pos())) {
            m_cityProjectTab = 0;
            update();
            return;
        }
        if (m_tabUnitsRect.contains(event->pos())) {
            m_cityProjectTab = 1;
            update();
            return;
        }

        // Cancel active project
        if (city && m_cancelProjectBtnRect.contains(event->pos())) {
            GameManager::instance().cancelCityProject(city->id);
            update();
            return;
        }

        // Cancel individual queued project item
        if (city) {
            for (const auto &qHit : m_cityQueueItemHits) {
                if (qHit.rect.contains(event->pos())) {
                    GameManager::instance().removeQueuedCityProject(city->id, qHit.queueIndex);
                    update();
                    return;
                }
            }
        }

        // Project selection clicks
        if (city) {
            for (const auto &pHit : m_cityProjectHits) {
                if (pHit.rect.contains(event->pos())) {
                    GameManager::instance().queueCityProject(city->id, pHit.type, pHit.id);
                    update();
                    return;
                }
            }
        }

        // Slot pressed: initiate long press timer for hold-to-change resource
        for (const auto &slot : m_citySlotHits) {
            if (slot.rect.contains(event->pos())) {
                if (city) {
                    m_slotPressPending = true;
                    m_slotLongPressTriggered = false;
                    m_pressedSlotTx = slot.tx;
                    m_pressedSlotTy = slot.ty;
                    m_slotPressPos = event->pos();
                    m_slotPressElapsed.start();
                    int dur = TerrainYieldManager::instance().getCityConfig().slotLongPressDurationMs;
                    m_slotLongPressTimer->start(std::max(100, dur));
                    update();
                    return;
                }
            }
        }

        // 2. Buy tile clicks
        for (const auto &buyHit : m_cityBuyTileHits) {
            if (buyHit.rect.contains(event->pos())) {
                if (city) {
                    GameManager::instance().buyTileForCity(city->id, buyHit.tx, buyHit.ty);
                    update();
                    return;
                }
            }
        }
        return; // In City View, ignore all other clicks
    }

    // 0b. If Tech Tree is open: handle Tech Tree interactions
    if (GameManager::instance().isTechTreeOpen()) {
        if (m_closeTechTreeBtnRect.contains(event->pos()) || m_techTreeBtnRect.contains(event->pos())) {
            m_draggingTechTree = false;
            GameManager::instance().closeTechTree();
            update();
            return;
        }
        if (m_clearTechQueueBtnRect.contains(event->pos()) && event->button() == Qt::LeftButton) {
            GameManager::instance().clearPlayerResearchQueue(1);
            update();
            return;
        }
        // Check queue chips in header
        for (const auto &chip : m_techQueueChipHits) {
            if (chip.rect.contains(event->pos())) {
                if (event->button() == Qt::RightButton || event->button() == Qt::LeftButton) {
                    GameManager::instance().removeTechFromPlayerQueue(1, chip.techId);
                    update();
                }
                return;
            }
        }
        // Start potential drag or click inside tech tree canvas
        if (m_techTreeCanvasRect.contains(event->pos())) {
            m_draggingTechTree = true;
            m_techTreeDragMoved = false;
            m_techTreeDragStartPos = event->pos();
            lastPos = event->pos();
            return;
        }
        return; // Consume clicks while Tech Tree modal is open
    }

    // 0c. Top bar Tech Tree button or Science slot click
    if ((m_techTreeBtnRect.contains(event->pos()) || m_scienceBarHitRect.contains(event->pos())) && event->button() == Qt::LeftButton) {
        GameManager::instance().toggleTechTree();
        update();
        return;
    }

    // Action Queue items (Bottom HUD notification bar)
    for (const auto &hit : m_actionItemHits) {
        if (hit.dismissRect.contains(event->pos()) && event->button() == Qt::LeftButton) {
            GameManager::instance().actionNeededManager().dismissItem(hit.type, hit.entityId);
            update();
            return;
        }
        if (hit.rect.contains(event->pos())) {
            if (event->button() == Qt::RightButton) {
                GameManager::instance().actionNeededManager().dismissItem(hit.type, hit.entityId);
                update();
                return;
            } else if (event->button() == Qt::LeftButton) {
                handleActionItemClick(hit.type, hit.entityId);
                update();
                return;
            }
        }
    }
    if (m_actionQueueHeaderRect.contains(event->pos())) {
        return;
    }

    // Check if clicked on a City Banner to open City View
    for (const auto &cb : m_cityBannerHits) {
        if (cb.rect.contains(event->pos())) {
            m_savedCamPos = cameraPosition;
            m_savedZoom = m_zoom;
            m_savedZRot = zRot;
            GameManager::instance().enterCityView(cb.cityId);
            update();
            return;
        }
    }

    // 1. Zoom Out / Reset / In buttons
    if (getZoomOutButtonRect().contains(event->pos())) {
        m_minimapZoom = std::max(1.0f, m_minimapZoom / 1.5f);
        update();
        return;
    }
    if (getZoomResetButtonRect().contains(event->pos())) {
        m_minimapZoom = 1.0f;
        update();
        return;
    }
    if (getZoomInButtonRect().contains(event->pos())) {
        m_minimapZoom = std::min(8.0f, m_minimapZoom * 1.5f);
        update();
        return;
    }

    // 2. Minimap click & drag
    QRect mapRect = getMinimapRect();
    if (mapRect.contains(event->pos())) {
        m_draggingMinimap = true;
        QVector2D wPos = minimapToWorld(event->pos(), mapRect);
        cameraPosition.setX(wPos.x());
        cameraPosition.setY(wPos.y());
        update();
        return;
    }

    // 3. Sim Speed Buttons [1x] [2x] [5x]
    if (m_speed1xRect.contains(event->pos())) {
        GameManager::instance().setSimSpeed(1.0f);
        update();
        return;
    }
    if (m_speed2xRect.contains(event->pos())) {
        GameManager::instance().setSimSpeed(2.0f);
        update();
        return;
    }
    if (m_speed5xRect.contains(event->pos())) {
        GameManager::instance().setSimSpeed(5.0f);
        update();
        return;
    }

    // 4. Action Bubbles clicked
    for (const auto &ab : m_activeActionBubbles) {
        if (ab.rect.contains(event->pos())) {
            if (ab.actionId == "verplaatsen") {
                if (GameManager::instance().currentActionMode() == ActionMode::Move) {
                    GameManager::instance().setActionMode(ActionMode::None);
                } else {
                    GameManager::instance().setActionMode(ActionMode::Move);
                }
            } else if (ab.actionId == "aanvallen") {
                if (GameManager::instance().currentActionMode() == ActionMode::Attack) {
                    GameManager::instance().setActionMode(ActionMode::None);
                } else {
                    GameManager::instance().setActionMode(ActionMode::Attack);
                }
            } else if (ab.actionId == "steden_bouwen" || ab.actionId == "build_city") {
                GameManager::instance().commandBuildCitySelected(m_point, m_numPoints05);
            } else if (ab.actionId == "boerderij_bouwen" || ab.actionId == "build_farm") {
                GameManager::instance().commandBuildFarmSelected(m_point, m_numPoints05);
            } else if (ab.actionId == "build_road" || ab.actionId == "weg_bouwen") {
                Unit *sel = GameManager::instance().getSelectedUnit();
                if (sel && sel->hasRoadRoute()) {
                    sel->clearRoadRoute();
                    sel->cancelBuilding();
                    GameManager::instance().setActionMode(ActionMode::None);
                    GameManager::instance().addFloatingText(
                        Localization::instance().get("ui.unit.road_route_cancelled", "Road route cancelled"),
                        sel->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 120, 100));
                } else if (GameManager::instance().currentActionMode() == ActionMode::BuildRoad) {
                    GameManager::instance().setActionMode(ActionMode::None);
                } else {
                    GameManager::instance().setActionMode(ActionMode::BuildRoad);
                }
            }
            update();
            return;
        }
    }

    // Compute view matrix for raycasting and 3D screen tests
    QMatrix4x4 vMatrix;
    cameraUpDirection = cameraTransformation * QVector3D(0, 0, 1);
    QVector3D lookat = getCameraLookAt();
    vMatrix.lookAt(cameraPosition, lookat, cameraUpDirection);

    // 5. Left Click: Check if directly clicked on any unit's Druppel pin
    if (event->button() == Qt::LeftButton) {
        for (const auto &u : GameManager::instance().getUnits()) {
            if (u->isDead()) continue;

            bool inFront = false;
            QVector3D topPoint = u->worldPos + QVector3D(0, 0, 0.38f);
            QPointF tipPos = UnitRenderer::projectToScreen(topPoint, Projection, vMatrix, width(), height(), inFront);
            if (!inFront) continue;

            QPointF headCenter(tipPos.x(), tipPos.y() - 25.0f);
            float distSq = (event->x() - headCenter.x()) * (event->x() - headCenter.x()) +
                           (event->y() - headCenter.y()) * (event->y() - headCenter.y());

            if (distSq <= 18.0f * 18.0f) {
                // If in attack mode and clicked enemy: attack!
                Unit *sel = GameManager::instance().getSelectedUnit();
                if (sel && GameManager::instance().currentActionMode() == ActionMode::Attack && u->playerId != sel->playerId) {
                    GameManager::instance().commandAttack(u.get());
                } else {
                    GameManager::instance().selectUnit(u->id);
                }
                update();
                return;
            }
        }
    }

    // 6. Terrain hex picking via Raycast
    int hitX = -1, hitY = -1;
    bool hitTerrain = screenToHex(event->pos(), vMatrix, hitX, hitY);

    if (hitTerrain) {
        Unit *selected = GameManager::instance().getSelectedUnit();

        if (event->button() == Qt::LeftButton) {
            if (selected) {
                if (GameManager::instance().currentActionMode() == ActionMode::Move) {
                    GameManager::instance().commandMoveSelected(hitX, hitY, m_point, m_numPoints05);
                    GameManager::instance().setActionMode(ActionMode::None);
                    update();
                    return;
                } else if (GameManager::instance().currentActionMode() == ActionMode::BuildRoad) {
                    GameManager::instance().commandBuildRoadToTileSelected(hitX, hitY, m_point, m_numPoints05);
                    GameManager::instance().setActionMode(ActionMode::None);
                    update();
                    return;
                } else if (GameManager::instance().currentActionMode() == ActionMode::Attack) {
                    Unit *enemy = GameManager::instance().getUnitAt(hitX, hitY);
                    if (enemy && enemy->playerId != selected->playerId) {
                        GameManager::instance().commandAttack(enemy);
                    }
                    update();
                    return;
                }
            }

            // Check if there is a unit on hit tile to select
            Unit *unitOnTile = GameManager::instance().getUnitAt(hitX, hitY);
            if (unitOnTile) {
                GameManager::instance().selectUnit(unitOnTile->id);
            } else {
                City *cityOnTile = GameManager::instance().getCityAt(hitX, hitY);
                if (cityOnTile) {
                    m_savedCamPos = cameraPosition;
                    m_savedZoom = m_zoom;
                    m_savedZRot = zRot;
                    GameManager::instance().enterCityView(cityOnTile->id);
                } else if (!m_unitCardRect.contains(event->pos())) {
                    GameManager::instance().deselectUnit();
                }
            }
            update();
            return;
        } else if (event->button() == Qt::RightButton) {
            if (GameManager::instance().currentActionMode() == ActionMode::BuildRoad) {
                GameManager::instance().setActionMode(ActionMode::None);
                update();
                return;
            }
            // Right click: Attack enemy unit or move selected unit directly to hex!
            if (selected) {
                Unit *enemy = GameManager::instance().getUnitAt(hitX, hitY);
                if (enemy && enemy->playerId != selected->playerId) {
                    GameManager::instance().commandAttack(enemy);
                } else {
                    GameManager::instance().commandMoveSelected(hitX, hitY, m_point, m_numPoints05);
                }
                update();
                return;
            }
        }
    }

    lastPos = event->pos();
}

void QSceneRenderer::mouseMoveEvent(QMouseEvent *event)
{
    m_mouseCurrentPos = event->pos();

    if (GameManager::instance().isTechTreeOpen()) {
        if (m_draggingTechTree && (event->buttons() & (Qt::LeftButton | Qt::MiddleButton | Qt::RightButton))) {
            int dx = event->x() - lastPos.x();
            int dy = event->y() - lastPos.y();
            if ((event->pos() - m_techTreeDragStartPos).manhattanLength() > 6) {
                m_techTreeDragMoved = true;
            }
            m_techTreeScrollX = std::max(0, m_techTreeScrollX - dx);
            m_techTreeScrollY = std::max(0, m_techTreeScrollY - dy);
            lastPos = event->pos();
        }
        update();
        return;
    }

    // Disable panning, rotation and minimap drag in City View
    if (GameManager::instance().isInCityView()) {
        if (m_slotPressPending) {
            if ((event->pos() - m_slotPressPos).manhattanLength() > 8) {
                if (m_slotLongPressTimer && m_slotLongPressTimer->isActive()) {
                    m_slotLongPressTimer->stop();
                }
                m_slotPressPending = false;
            }
        }
        update();
        return;
    }

    QRect mapRect = getMinimapRect();
    if (m_draggingMinimap && (event->buttons() & Qt::LeftButton)) {
        QVector2D wPos = minimapToWorld(event->pos(), mapRect);
        cameraPosition.setX(wPos.x());
        cameraPosition.setY(wPos.y());
        update();
        return;
    }

    if (event->buttons() & Qt::RightButton) {
        int dx = event->x() - lastPos.x();
        zRot -= dx * 0.5f;
        if (zRot < 0.0f) zRot += 360.0f;
        if (zRot >= 360.0f) zRot -= 360.0f;
        update();
    }

    bool onActionItem = false;
    for (const auto &hit : m_actionItemHits) {
        if (hit.rect.contains(event->pos())) {
            onActionItem = true;
            break;
        }
    }
    if (onActionItem || m_techTreeBtnRect.contains(event->pos()) || m_scienceBarHitRect.contains(event->pos())) {
        setCursor(Qt::PointingHandCursor);
    } else {
        unsetCursor();
    }

    lastPos = event->pos();
}

void QSceneRenderer::mouseReleaseEvent(QMouseEvent *event)
{
    m_draggingMinimap = false;

    if (GameManager::instance().isTechTreeOpen()) {
        if (m_draggingTechTree && !m_techTreeDragMoved) {
            // Clicked (without dragging) inside the Tech Tree canvas
            for (const auto &nodeHit : m_techNodeHits) {
                if (nodeHit.rect.contains(event->pos())) {
                    if (event->button() == Qt::LeftButton) {
                        bool append = (event->modifiers() & Qt::ShiftModifier);
                        GameManager::instance().selectTechForPlayer(1, nodeHit.techId, append);
                    } else if (event->button() == Qt::RightButton) {
                        GameManager::instance().removeTechFromPlayerQueue(1, nodeHit.techId);
                    }
                    break;
                }
            }
        }
        m_draggingTechTree = false;
        m_techTreeDragMoved = false;
        update();
        return;
    }

    if (m_slotLongPressTimer && m_slotLongPressTimer->isActive()) {
        m_slotLongPressTimer->stop();
    }

    if (m_slotPressPending && !m_slotLongPressTriggered) {
        // Short click on slot! Toggle worker assignment.
        if (GameManager::instance().isInCityView()) {
            City *city = GameManager::instance().getActiveCityView();
            if (city) {
                int tx = m_pressedSlotTx;
                int ty = m_pressedSlotTy;
                QVector2D w = Pathfinder::hexToWorld(tx, ty);
                float gz = Unit::getTerrainHeight(w.x(), w.y(), m_point, m_numPoints05);
                if (city->isTileWorked(tx, ty)) {
                    city->unassignWorker(tx, ty);
                    QString msg = Localization::instance().get("ui.city.worker_freed", "Pop worker freed");
                    GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(255, 220, 80));
                } else {
                    if (city->getAvailablePop() > 0) {
                        QString bestRes = GameManager::instance().getBestTileResource(tx, ty, m_point, m_numPoints05);
                        QString res = city->getEffectiveResource(tx, ty, bestRes);
                        city->assignWorker(tx, ty, res);
                        QString msg = Localization::instance().get("ui.city.worker_assigned", "+1 Pop working");
                        GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(80, 255, 120));
                    } else {
                        QString msg = Localization::instance().get("ui.city.no_free_pop", "No free Pop!");
                        GameManager::instance().addFloatingText(msg, QVector3D(w.x(), w.y(), gz + 0.8f), QColor(255, 80, 80));
                    }
                }
                update();
            }
        }
    }
    m_slotPressPending = false;
    m_slotLongPressTriggered = false;
}

void QSceneRenderer::keyPressEvent(QKeyEvent *e)
{
    if (e->key() == Qt::Key_T && !GameManager::instance().isInCityView()) {
        GameManager::instance().toggleTechTree();
        update();
        return;
    }

    if (GameManager::instance().isTechTreeOpen()) {
        if (e->key() == Qt::Key_Escape) {
            GameManager::instance().closeTechTree();
            update();
        }
        return;
    }

    // In City View: disable WASD panning and Q/E rotation; only allow Escape to exit
    if (GameManager::instance().isInCityView()) {
        if (e->key() == Qt::Key_Escape) {
            if (m_resourceMenuOpen) {
                m_resourceMenuOpen = false;
                update();
                return;
            }
            m_slotPressPending = false;
            cameraPosition = m_savedCamPos;
            m_zoom = m_savedZoom;
            zRot = m_savedZRot;
            GameManager::instance().exitCityView();
            update();
        }
        return;
    }

    float speed = (e->modifiers() & Qt::ShiftModifier) ? 1.2f : 0.4f;

    // Movement & camera controls
    if (e->key() == Qt::Key_A && !(e->modifiers() & Qt::ControlModifier)) {
        cameraPosition.setX(cameraPosition.x() + speed * cos(PI * (zRot + 90) / 180.0f));
        cameraPosition.setY(cameraPosition.y() + speed * sin(PI * (zRot + 90) / 180.0f));
    }
    else if (e->key() == Qt::Key_D) {
        cameraPosition.setX(cameraPosition.x() + speed * cos(PI * (zRot - 90) / 180.0f));
        cameraPosition.setY(cameraPosition.y() + speed * sin(PI * (zRot - 90) / 180.0f));
    }
    else if (e->key() == Qt::Key_W) {
        cameraPosition.setX(cameraPosition.x() + speed * cos(PI * (zRot + 0) / 180.0f));
        cameraPosition.setY(cameraPosition.y() + speed * sin(PI * (zRot + 0) / 180.0f));
    }
    else if (e->key() == Qt::Key_S) {
        cameraPosition.setX(cameraPosition.x() + speed * cos(PI * (zRot + 180) / 180.0f));
        cameraPosition.setY(cameraPosition.y() + speed * sin(PI * (zRot + 180) / 180.0f));
    }
    else if (e->key() == Qt::Key_E) {
        zRot -= 2.0f;
        if (zRot < 0.0f) zRot += 360.0f;
    }
    else if (e->key() == Qt::Key_Q) {
        zRot += 2.0f;
        if (zRot >= 360.0f) zRot -= 360.0f;
    }

    // Unit action hotkeys
    Unit *sel = GameManager::instance().getSelectedUnit();
    if (e->key() == Qt::Key_M && sel) {
        GameManager::instance().setActionMode(
            GameManager::instance().currentActionMode() == ActionMode::Move ? ActionMode::None : ActionMode::Move
        );
    }
    else if (e->key() == Qt::Key_K && sel && sel->config.canAttack()) {
        GameManager::instance().setActionMode(
            GameManager::instance().currentActionMode() == ActionMode::Attack ? ActionMode::None : ActionMode::Attack
        );
    }
    else if (e->key() == Qt::Key_B && sel && sel->config.canBuildCity()) {
        GameManager::instance().commandBuildCitySelected(m_point, m_numPoints05);
    }
    else if (e->key() == Qt::Key_F && sel && sel->config.canBuildFarm()) {
        GameManager::instance().commandBuildFarmSelected(m_point, m_numPoints05);
    }
    else if (e->key() == Qt::Key_R && sel && sel->config.canBuildRoad()) {
        if (sel->hasRoadRoute()) {
            sel->clearRoadRoute();
            sel->cancelBuilding();
            GameManager::instance().setActionMode(ActionMode::None);
            GameManager::instance().addFloatingText(
                Localization::instance().get("ui.unit.road_route_cancelled", "Road route cancelled"),
                sel->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 120, 100));
        } else {
            GameManager::instance().setActionMode(
                GameManager::instance().currentActionMode() == ActionMode::BuildRoad ? ActionMode::None : ActionMode::BuildRoad
            );
        }
    }
    else if (e->key() == Qt::Key_Escape) {
        if (GameManager::instance().currentActionMode() != ActionMode::None) {
            GameManager::instance().setActionMode(ActionMode::None);
        } else if (sel && sel->hasRoadRoute()) {
            sel->clearRoadRoute();
            sel->cancelBuilding();
            GameManager::instance().addFloatingText(
                Localization::instance().get("ui.unit.road_route_cancelled", "Road route cancelled"),
                sel->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 120, 100));
        } else if (sel && sel->hasQueuedAction()) {
            sel->clearActionQueue();
            GameManager::instance().addFloatingText(
                Localization::instance().get("ui.unit.queue_cleared", "Queued actions cancelled"),
                sel->worldPos + QVector3D(0, 0, 0.8f), QColor(255, 180, 80));
        } else {
            GameManager::instance().deselectUnit();
        }
    }
    // Speed hotkeys: 1, 2, 5
    else if (e->key() == Qt::Key_1) {
        GameManager::instance().setSimSpeed(1.0f);
    }
    else if (e->key() == Qt::Key_2) {
        GameManager::instance().setSimSpeed(2.0f);
    }
    else if (e->key() == Qt::Key_3 || e->key() == Qt::Key_5) {
        GameManager::instance().setSimSpeed(5.0f);
    }

    update();
}

void QSceneRenderer::wheelEvent(QWheelEvent *e)
{
    if (GameManager::instance().isTechTreeOpen()) {
        if (e->modifiers() & Qt::ShiftModifier) {
            m_techTreeScrollY = std::max(0, m_techTreeScrollY - e->delta() / 2);
        } else {
            m_techTreeScrollX = std::max(0, m_techTreeScrollX - e->delta() / 2);
        }
        update();
        return;
    }

    // Disable zooming in City View
    if (GameManager::instance().isInCityView()) {
        return;
    }

    QRect card = getMinimapCardRect();
    if (card.contains(e->pos()) || getZoomOutButtonRect().contains(e->pos()) || getZoomInButtonRect().contains(e->pos())) {
        if (e->delta() > 0) {
            m_minimapZoom = std::min(8.0f, m_minimapZoom * 1.4f);
        } else {
            m_minimapZoom = std::max(1.0f, m_minimapZoom / 1.4f);
        }
        update();
        return;
    }

    m_zoom -= e->delta() / 100.0f;
    if (m_zoom < m_cameraMinZoom) m_zoom = m_cameraMinZoom;
    if (m_zoom > m_cameraMaxZoom) m_zoom = m_cameraMaxZoom;
    update();
}

void QSceneRenderer::initializeGL()
{
    glEnable(GL_DEPTH_TEST);
    glDepthFunc(GL_LESS);

    m_unitRenderer.initialize();
}

void QSceneRenderer::resizeGL(int width, int height)
{
    Projection = QMatrix4x4();
    Projection.perspective(45.0f, (float) width / (float) height, 0.1f, 100.0f);
}

void QSceneRenderer::paintGL()
{
    glEnable(GL_DEPTH_TEST);
    QMatrix4x4 cameraTrans;
    QMatrix4x4 vMatrix;

    City *cityView = GameManager::instance().getActiveCityView();
    int cityViewRadius = cityView ? TerrainYieldManager::instance().getCityConfig().maxWorkableRadius : -1;

    cameraTrans.rotate(zRot, 0, 0, 1);
    cameraUpDirection = cameraTrans * QVector3D(0, 0, 1);

    QVector3D eyePos;
    QVector3D lookat;

    if (cityView) {
        float effectiveZoom = TerrainYieldManager::instance().getCityConfig().cityViewZoom;
        float pitchDist = effectiveZoom * effectiveZoom / 5.0f;
        float rad = zRot * PI / 180.0f;
        lookat = cityView->worldPos;
        eyePos = QVector3D(
            lookat.x() - pitchDist * cos(rad),
            lookat.y() - pitchDist * sin(rad),
            effectiveZoom
        );
        cameraPosition = eyePos;
    } else {
        cameraPosition.setZ(m_zoom);
        eyePos = cameraPosition;
        lookat = getCameraLookAt();
    }
    vMatrix.lookAt(eyePos, lookat, cameraUpDirection);

    if (cityView) {
        glClearColor(0.06f, 0.08f, 0.12f, 1.0f);
    } else {
        glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
    }
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    // Update simulation
    float currentTime = m_elapsedTimer.elapsed() / 1000.0f;
    float deltaTime = m_lastFrameTime > 0.0f ? std::min(0.1f, currentTime - m_lastFrameTime) : 0.016f;
    m_lastFrameTime = currentTime;
    GameManager::instance().update(deltaTime, m_point, m_numPoints05);

    // Visible terrain tiles bounding box
    float minWorldX = std::min(eyePos.x(), lookat.x());
    float maxWorldX = std::max(eyePos.x(), lookat.x());
    float minWorldY = std::min(eyePos.y(), lookat.y());
    float maxWorldY = std::max(eyePos.y(), lookat.y());

    // Margin around visible focal area (provides ample buffer for mountains and rotating view)
    float margin = cityView ? 20.0f : std::max(10.0f, m_zoom * 1.4f + 4.0f);
    minWorldX -= margin;
    maxWorldX += margin;
    minWorldY -= margin;
    maxWorldY += margin;

    float tileStepX = LOD_0_SIZE * 0.75f;
    float tileStepY = LOD_0_SIZE_Y * 2.0f;

    int minTileX = std::max(0, (int)floor(minWorldX / tileStepX));
    int maxTileX = std::min(MAP_WIDTH - 1, (int)ceil(maxWorldX / tileStepX));
    int minTileY = std::max(0, (int)floor(minWorldY / tileStepY));
    int maxTileY = std::min(MAP_HEIGHT - 1, (int)ceil(maxWorldY / tileStepY));

    int initMinX = std::max(0, minTileX - 1);
    int initMaxX = std::min(MAP_WIDTH - 1, maxTileX + 1);
    int initMinY = std::max(0, minTileY - 1);
    int initMaxY = std::min(MAP_HEIGHT - 1, maxTileY + 1);

    for (int y = initMinY; y <= initMaxY; ++y) {
        for (int x = initMinX; x <= initMaxX; ++x) {
            tiles->operator()(x, y).ensureInitialized(this, x, y);
        }
    }

    for (int y = minTileY; y <= maxTileY; ++y) {
        for (int x = minTileX; x <= maxTileX; ++x) {
            tiles->operator()(x, y).ensureNormalsBuilt();
        }
    }

    // 1. Render terrain tiles (in city view: ONLY render tiles within cityViewRadius!)
    for (int y = minTileY; y <= maxTileY; ++y) {
        for (int x = minTileX; x <= maxTileX; ++x) {
            if (cityView && Pathfinder::hexDistance(cityView->tileX, cityView->tileY, x, y) > cityViewRadius) {
                continue;
            }
            tiles->operator()(x, y).paint(Projection, eyePos, cameraUpDirection, vMatrix, currentTime);
        }
    }

    // 2. Render 3D Units & Cities (Cylinders & Bastions; roads are rendered directly in the tile shader texture)
    float fSunAngle = 45.0f;
    QVector3D vSunPos(-sin(fSunAngle * PI / 180.0f), -cos(fSunAngle * PI / 180.0f), 0.6f);
    vSunPos.normalize();

    Unit *selected = GameManager::instance().getSelectedUnit();
    m_unitRenderer.renderUnits(
        GameManager::instance().getUnits(),
        GameManager::instance().getCities(),
        GameManager::instance().players(),
        Projection,
        vMatrix,
        vSunPos,
        selected ? selected->id : -1,
        cityViewRadius,
        cityView ? cityView->tileX : -1,
        cityView ? cityView->tileY : -1
    );

    // 4. Render 2D UI & HUD Overlays via QPainter
    QPainter painter(this);
    drawCityBorders(painter, vMatrix);
    drawImprovementsOverlay(painter, vMatrix);
    if (!cityView) {
        drawPathAndRange(painter, selected, vMatrix);
        drawMinimap(painter);
        drawTickBar(painter);
        drawUnitsOverlay(painter, vMatrix);
        drawFloatingTexts(painter, vMatrix);
        if (selected) {
            drawUnitCard(painter, selected);
        }
        drawActionNeededQueue(painter);
        if (GameManager::instance().isTechTreeOpen()) {
            drawTechTreeOverlay(painter);
        }
    } else {
        drawUnitsOverlay(painter, vMatrix);
        drawFloatingTexts(painter, vMatrix);
        drawCityViewOverlay(painter, vMatrix);
    }
    painter.end();
}

void QSceneRenderer::drawActionNeededQueue(QPainter &painter)
{
    m_actionItemHits.clear();
    m_actionQueueHeaderRect = QRect();

    const ActionNeededConfig &cfg = GameManager::instance().actionNeededManager().config();
    if (!cfg.enabled) return;

    std::vector<ActionItem> visibleItems = GameManager::instance().actionNeededManager().getVisibleItems();
    if (visibleItems.empty()) return;

    painter.setRenderHint(QPainter::Antialiasing, true);

    QRect minimapCard = getMinimapCardRect();
    int minLeft = minimapCard.right() + 14;
    Unit *selected = GameManager::instance().getSelectedUnit();
    int maxRight = selected ? (m_unitCardRect.left() - 14) : (width() - 16);
    int availableW = maxRight - minLeft;
    if (availableW < 120) return;

    int itemW = cfg.itemWidth;
    int itemH = cfg.itemHeight;
    int spacing = cfg.itemSpacing;
    int headerW = 82;

    int remainingForItems = availableW - headerW - spacing;
    int maxItemsThatFit = std::max(1, remainingForItems / (itemW + spacing));
    int numToRender = std::min((int)visibleItems.size(), std::min(cfg.maxVisibleItems, maxItemsThatFit));
    bool hasOverflow = (int)visibleItems.size() > numToRender;
    int overflowW = hasOverflow ? 54 : 0;
    if (hasOverflow && remainingForItems < numToRender * (itemW + spacing) + overflowW) {
        numToRender = std::max(1, numToRender - 1);
    }

    int totalW = headerW + spacing + numToRender * itemW + (numToRender - 1) * spacing + (hasOverflow ? (spacing + overflowW) : 0);
    int startX = minLeft + (availableW - totalW) / 2;
    if (startX < minLeft) startX = minLeft;
    int bottomY = height() - itemH - cfg.bottomOffset;

    // 1. Header badge
    QRect headerRect(startX, bottomY, headerW, itemH);
    m_actionQueueHeaderRect = headerRect;
    painter.setBrush(cfg.cardBgColor);
    painter.setPen(QPen(QColor(70, 95, 130, 180), 1.2));
    painter.drawRoundedRect(headerRect, cfg.borderRadius, cfg.borderRadius);

    float pulse = cfg.pulseAnimation ? (sin(GameManager::instance().actionNeededManager().getElapsedGameTime() * cfg.pulseSpeed) * 0.5f + 0.5f) : 1.0f;
    QRect badgeRect(headerRect.left() + 8, headerRect.top() + (itemH - 20) / 2, 20, 20);
    QColor badgeCol(255, 170, 40);
    badgeCol.setAlpha((int)(170 + 80 * pulse));
    painter.setBrush(badgeCol);
    painter.setPen(Qt::NoPen);
    painter.drawEllipse(badgeRect);

    painter.setFont(QFont("sans-serif", 9, QFont::Bold));
    painter.setPen(Qt::white);
    painter.drawText(badgeRect, Qt::AlignCenter, QString::number(visibleItems.size()));

    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(215, 230, 250));
    QRect headerTextRect(badgeRect.right() + 6, headerRect.top(), headerRect.right() - badgeRect.right() - 8, itemH);
    painter.drawText(headerTextRect, Qt::AlignLeft | Qt::AlignVCenter, Localization::instance().get("ui.action_needed.header_title", "ACTIONS"));

    // 2. Render cards (oldest first)
    for (int i = 0; i < numToRender; ++i) {
        const ActionItem &item = visibleItems[i];
        int itemX = startX + headerW + spacing + i * (itemW + spacing);
        QRect itemRect(itemX, bottomY, itemW, itemH);
        QRect dismissRect(itemRect.right() - 16, itemRect.top() + 3, 13, 13);
        m_actionItemHits.push_back({itemRect, dismissRect, item.type, item.entityId});

        bool isHovered = itemRect.contains(m_mouseCurrentPos);

        QString title;
        QString subtitle;
        QColor accent;
        QImage icon;

        if (item.type == ActionNeededType::UnitIdle) {
            Unit *u = GameManager::instance().getUnitById(item.entityId);
            title = u ? u->config.name.toUpper() : Localization::instance().get("ui.unit.civilian_unit", "UNIT");
            subtitle = Localization::instance().get("ui.action_needed.unit_idle_desc", "Needs orders");
            accent = cfg.unitIdleColor;
            const Player *p = u ? GameManager::instance().players().getPlayer(u->playerId) : nullptr;
            QColor pCol = p ? p->primaryColor : Qt::blue;
            icon = u ? getTintedIcon(u->config.iconPath, pCol) : QImage();
        } else if (item.type == ActionNeededType::CityNoProduction) {
            City *c = GameManager::instance().getCityById(item.entityId);
            title = c ? c->name : Localization::instance().get("ui.city.center", "CITY");
            subtitle = Localization::instance().get("ui.action_needed.city_no_production_desc", "No production");
            accent = cfg.cityNoProdColor;
            icon = getTintedIcon("images/resources/arbeid.png", accent);
        } else if (item.type == ActionNeededType::CityFreePopulation) {
            City *c = GameManager::instance().getCityById(item.entityId);
            title = c ? c->name : Localization::instance().get("ui.city.center", "CITY");
            subtitle = Localization::instance().get("ui.action_needed.city_free_pop_desc", "+%1 Free Pop").arg(item.auxValue);
            accent = cfg.cityFreePopColor;
            icon = getTintedIcon("images/resources/citizen.png", accent);
        } else if (item.type == ActionNeededType::NoResearch) {
            title = Localization::instance().get("ui.action_needed.no_research_title", "RESEARCH");
            subtitle = Localization::instance().get("ui.action_needed.no_research_desc", "Choose technology");
            accent = cfg.noResearchColor;
            icon = getTintedIcon("images/resources/kennis.png", accent);
        }

        // Draw card background
        QColor bg = cfg.cardBgColor;
        if (isHovered) {
            bg = bg.lighter(130);
        }
        painter.setBrush(bg);
        painter.setPen(QPen(isHovered ? accent : QColor(70, 95, 130, 160), isHovered ? 1.5 : 1.0));
        painter.drawRoundedRect(itemRect, cfg.borderRadius, cfg.borderRadius);

        // Accent stripe on the left edge
        QRect stripeRect(itemRect.left() + 2, itemRect.top() + 3, 3, itemH - 6);
        painter.fillRect(stripeRect, accent);

        // Icon badge
        QRect iconRect(itemRect.left() + 9, itemRect.top() + (itemH - 24) / 2, 24, 24);
        QColor iconBg = accent;
        iconBg.setAlpha(40);
        painter.setBrush(iconBg);
        painter.setPen(Qt::NoPen);
        painter.drawEllipse(iconRect);
        if (!icon.isNull()) {
            painter.drawImage(iconRect.adjusted(3, 3, -3, -3), icon);
        }

        // Title and subtitle text
        int textLeft = iconRect.right() + 7;
        int textW = dismissRect.left() - textLeft - 2;

        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(QColor(240, 245, 255));
        painter.drawText(QRect(textLeft, itemRect.top() + 4, textW, 16), Qt::AlignLeft | Qt::AlignVCenter, title);

        painter.setFont(QFont("sans-serif", 7));
        painter.setPen(accent);
        painter.drawText(QRect(textLeft, itemRect.top() + 20, textW, 15), Qt::AlignLeft | Qt::AlignVCenter, subtitle);

        // Dismiss [x]
        bool isDismissHovered = dismissRect.contains(m_mouseCurrentPos);
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(isDismissHovered ? QColor(255, 120, 120) : QColor(130, 155, 180, 180));
        painter.drawText(dismissRect, Qt::AlignCenter, "×");
    }

    // 3. Overflow indicator
    if (hasOverflow) {
        int moreCount = (int)visibleItems.size() - numToRender;
        QRect ofRect(startX + headerW + spacing + numToRender * (itemW + spacing), bottomY, overflowW, itemH);
        painter.setBrush(QColor(20, 26, 38, 220));
        painter.setPen(QPen(QColor(70, 95, 130, 150), 1.0));
        painter.drawRoundedRect(ofRect, cfg.borderRadius, cfg.borderRadius);
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(QColor(180, 210, 240));
        QString ofText = Localization::instance().get("ui.action_needed.more_items", "+%1").arg(moreCount);
        painter.drawText(ofRect, Qt::AlignCenter, ofText);
    }
}

void QSceneRenderer::handleActionItemClick(ActionNeededType type, int entityId)
{
    if (type == ActionNeededType::NoResearch) {
        if (GameManager::instance().isInCityView()) {
            GameManager::instance().exitCityView();
        }
        GameManager::instance().openTechTree();
        return;
    }

    if (type == ActionNeededType::UnitIdle) {
        if (GameManager::instance().isInCityView()) {
            GameManager::instance().exitCityView();
        }
        if (GameManager::instance().isTechTreeOpen()) {
            GameManager::instance().closeTechTree();
        }
        Unit *u = GameManager::instance().getUnitById(entityId);
        if (u) {
            GameManager::instance().selectUnit(entityId);
            cameraPosition.setX(u->worldPos.x());
            cameraPosition.setY(u->worldPos.y());
        }
    } else if (type == ActionNeededType::CityNoProduction || type == ActionNeededType::CityFreePopulation) {
        City *c = GameManager::instance().getCityById(entityId);
        if (c) {
            if (!GameManager::instance().isInCityView()) {
                m_savedCamPos = cameraPosition;
                m_savedZoom = m_zoom;
                m_savedZRot = zRot;
            }
            GameManager::instance().enterCityView(entityId);
            cameraPosition.setX(c->worldPos.x());
            cameraPosition.setY(c->worldPos.y());
            if (type == ActionNeededType::CityNoProduction) {
                m_cityProjectTab = 0;
            }
        }
    }
}

void QSceneRenderer::drawTechTreeOverlay(QPainter &painter)
{
    m_techNodeHits.clear();
    m_techQueueChipHits.clear();
    m_closeTechTreeBtnRect = QRect();
    m_clearTechQueueBtnRect = QRect();

    const Player *player = GameManager::instance().players().getPlayer(1);
    if (!player) return;

    painter.setRenderHint(QPainter::Antialiasing, true);

    // Modal container below the top tick bar
    QRect modalRect(16, 56, width() - 32, height() - 72);
    painter.setBrush(QColor(12, 17, 26, 248));
    painter.setPen(QPen(QColor(70, 140, 210, 220), 2.0));
    painter.drawRoundedRect(modalRect, 10, 10);

    int headerH = 84;
    QRect headerRect(modalRect.left() + 14, modalRect.top() + 10, modalRect.width() - 28, headerH);

    // 1. Title & Science per tick rate
    painter.setFont(QFont("sans-serif", 13, QFont::Bold));
    painter.setPen(QColor(235, 245, 255));
    painter.drawText(QRect(headerRect.left(), headerRect.top(), 240, 26),
                     Qt::AlignLeft | Qt::AlignVCenter,
                     Localization::instance().get("ui.tech_tree.title", "TECHNOLOGY TREE"));

    int sciRate = GameManager::instance().calculatePlayerSciencePerTick(1, m_point, m_numPoints05);
    QRect sciBadgeRect(headerRect.left() + 220, headerRect.top() + 2, 130, 24);
    painter.setBrush(QColor(20, 40, 65, 230));
    painter.setPen(QPen(QColor(60, 190, 255), 1.2));
    painter.drawRoundedRect(sciBadgeRect, 5, 5);

    QImage sciIcon = getTintedIcon("images/resources/kennis.png", QColor(60, 200, 255));
    painter.drawImage(QRect(sciBadgeRect.left() + 6, sciBadgeRect.top() + 4, 16, 16), sciIcon);
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(90, 215, 255));
    painter.drawText(QRect(sciBadgeRect.left() + 26, sciBadgeRect.top(), sciBadgeRect.width() - 30, 24),
                     Qt::AlignLeft | Qt::AlignVCenter,
                     Localization::instance().get("ui.tech_tree.science_rate", "+%L1/tick").arg(sciRate));

    // Close button [X]
    m_closeTechTreeBtnRect = QRect(headerRect.right() - 88, headerRect.top() + 2, 88, 26);
    painter.setBrush(QColor(45, 30, 40, 230));
    painter.setPen(QPen(QColor(220, 110, 120), 1.3));
    painter.drawRoundedRect(m_closeTechTreeBtnRect, 5, 5);
    painter.setFont(QFont("sans-serif", 8, QFont::Bold));
    painter.setPen(QColor(255, 210, 215));
    painter.drawText(m_closeTechTreeBtnRect, Qt::AlignCenter,
                     Localization::instance().get("ui.tech_tree.close_btn", "[X] Close"));

    // 2. Active Research & Queue Strip in Header
    QRect queueStripRect(headerRect.left(), headerRect.top() + 34, headerRect.width(), 44);
    painter.setBrush(QColor(18, 25, 38, 230));
    painter.setPen(QPen(QColor(50, 80, 120, 160), 1.0));
    painter.drawRoundedRect(queueStripRect, 6, 6);

    if (player->researchQueue.empty()) {
        painter.setFont(QFont("sans-serif", 8, QFont::StyleItalic));
        painter.setPen(QColor(175, 195, 220));
        painter.drawText(queueStripRect.adjusted(14, 0, -14, 0), Qt::AlignLeft | Qt::AlignVCenter,
                         Localization::instance().get("ui.tech_tree.no_active_research",
                                                     "No active research - Click any technology node below to start researching"));
    } else {
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(QColor(160, 200, 240));
        QString qLabel = Localization::instance().get("ui.tech_tree.queue_label", "QUEUE (%1):")
                             .arg(player->researchQueue.size());
        painter.drawText(QRect(queueStripRect.left() + 10, queueStripRect.top(), 85, queueStripRect.height()),
                         Qt::AlignLeft | Qt::AlignVCenter, qLabel);

        int chipX = queueStripRect.left() + 96;
        int maxChipRight = queueStripRect.right() - 100;

        for (size_t qi = 0; qi < player->researchQueue.size(); ++qi) {
            QString qTechId = player->researchQueue[qi];
            const TechConfig *qCfg = GameManager::instance().techTree().getTech(qTechId);
            if (!qCfg) continue;

            int prog = player->getTechProgress(qTechId);
            int rem = std::max(0, qCfg->scienceCost - prog);
            int pct = (int)(100.0f * (float)prog / (float)std::max(1, qCfg->scienceCost));
            QString chipText = QString("#%1 %2 (%3% | %L4 left)").arg(qi + 1).arg(qCfg->name).arg(pct).arg(rem);

            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            int chipW = painter.fontMetrics().horizontalAdvance(chipText) + 18;
            if (chipX + chipW > maxChipRight) break;

            QRect chipRect(chipX, queueStripRect.top() + 8, chipW, 28);
            bool isFirst = (qi == 0);
            painter.setBrush(isFirst ? QColor(28, 65, 105, 245) : QColor(24, 38, 60, 230));
            painter.setPen(QPen(isFirst ? QColor(80, 215, 255) : QColor(70, 120, 180), isFirst ? 1.5 : 1.0));
            painter.drawRoundedRect(chipRect, 4, 4);

            painter.setPen(isFirst ? QColor(230, 250, 255) : QColor(190, 215, 245));
            painter.drawText(chipRect, Qt::AlignCenter, chipText);

            m_techQueueChipHits.push_back({chipRect, qTechId});
            chipX += chipW + 8;
        }

        // Clear Queue Button
        m_clearTechQueueBtnRect = QRect(queueStripRect.right() - 90, queueStripRect.top() + 8, 82, 28);
        painter.setBrush(QColor(55, 28, 34, 225));
        painter.setPen(QPen(QColor(210, 90, 95), 1.0));
        painter.drawRoundedRect(m_clearTechQueueBtnRect, 4, 4);
        painter.setFont(QFont("sans-serif", 7, QFont::Bold));
        painter.setPen(QColor(255, 165, 170));
        painter.drawText(m_clearTechQueueBtnRect, Qt::AlignCenter,
                         Localization::instance().get("ui.tech_tree.clear_queue_btn", "Clear Queue"));
    }

    // 3. Tech Tree Canvas (Scrollable Grid of Technology Cards + Dependency Connectors)
    int footerH = 26;
    m_techTreeCanvasRect = QRect(modalRect.left() + 14,
                                 headerRect.bottom() + 8,
                                 modalRect.width() - 28,
                                 modalRect.height() - headerH - footerH - 26);

    painter.setBrush(QColor(9, 13, 20, 245));
    painter.setPen(QPen(QColor(45, 70, 105, 180), 1.2));
    painter.drawRoundedRect(m_techTreeCanvasRect, 8, 8);

    // Layout constants for tech cards
    const int nodeW = 236;
    const int nodeH = 104;
    const int colSpacing = 66;
    const int rowSpacing = 22;
    const int padX = 24;
    const int padY = 20;

    int maxCol = GameManager::instance().techTree().getMaxColumn();
    int maxRow = GameManager::instance().techTree().getMaxRow();
    int contentW = padX * 2 + (maxCol + 1) * nodeW + maxCol * colSpacing;
    int contentH = padY * 2 + (maxRow + 1) * nodeH + maxRow * rowSpacing;

    int maxScrollX = std::max(0, contentW - m_techTreeCanvasRect.width());
    int maxScrollY = std::max(0, contentH - m_techTreeCanvasRect.height());
    m_techTreeScrollX = std::max(0, std::min(m_techTreeScrollX, maxScrollX));
    m_techTreeScrollY = std::max(0, std::min(m_techTreeScrollY, maxScrollY));

    const auto &allTechs = GameManager::instance().techTree().getAllTechs();
    const auto &orderedIds = GameManager::instance().techTree().getOrderedTechIds();

    // Compute screen rectangles for all tech nodes
    QMap<QString, QRect> nodeRects;
    for (const QString &tId : orderedIds) {
        const TechConfig &cfg = allTechs[tId];
        int nx = m_techTreeCanvasRect.left() + padX + cfg.column * (nodeW + colSpacing) - m_techTreeScrollX;
        int ny = m_techTreeCanvasRect.top() + padY + cfg.row * (nodeH + rowSpacing) - m_techTreeScrollY;
        nodeRects[tId] = QRect(nx, ny, nodeW, nodeH);
    }

    painter.save();
    painter.setClipRect(m_techTreeCanvasRect.adjusted(2, 2, -2, -2));

    // Subtle column tier background stripes
    for (int c = 0; c <= maxCol; ++c) {
        int colLeft = m_techTreeCanvasRect.left() + padX + c * (nodeW + colSpacing) - m_techTreeScrollX - 10;
        QRect colBand(colLeft, m_techTreeCanvasRect.top() + 4, nodeW + 20, m_techTreeCanvasRect.height() - 8);
        if (c % 2 == 1) {
            painter.fillRect(colBand, QColor(18, 26, 40, 65));
        }
    }

    // 3a. Draw Prerequisite Connector Curves (from prereq right edge to dependent left edge)
    for (const QString &tId : orderedIds) {
        const TechConfig &cfg = allTechs[tId];
        QRect targetR = nodeRects[tId];
        bool targetResearched = player->hasResearched(tId);
        bool targetQueued = player->isTechQueued(tId);

        for (const QString &preId : cfg.prerequisites) {
            if (!nodeRects.contains(preId)) continue;
            QRect srcR = nodeRects[preId];

            QPointF pStart(srcR.right(), srcR.center().y());
            QPointF pEnd(targetR.left(), targetR.center().y());
            float ctrlOffset = std::max(28.0f, (float)(pEnd.x() - pStart.x()) * 0.48f);

            QPainterPath curve;
            curve.moveTo(pStart);
            curve.cubicTo(QPointF(pStart.x() + ctrlOffset, pStart.y()),
                          QPointF(pEnd.x() - ctrlOffset, pEnd.y()),
                          pEnd);

            bool preResearched = player->hasResearched(preId);
            bool preQueued = player->isTechQueued(preId);

            QColor lineCol;
            float lineW = 2.0f;
            if (preResearched && targetResearched) {
                lineCol = QColor(70, 215, 115, 220);
                lineW = 2.5f;
            } else if (preResearched) {
                lineCol = QColor(80, 195, 255, 210);
                lineW = 2.2f;
            } else if (preQueued && targetQueued) {
                lineCol = QColor(255, 210, 70, 210);
                lineW = 2.2f;
            } else {
                lineCol = QColor(70, 95, 130, 150);
                lineW = 1.6f;
            }

            painter.setPen(QPen(lineCol, lineW));
            painter.setBrush(Qt::NoBrush);
            painter.drawPath(curve);

            // Arrowhead at pEnd
            QPolygonF arrowHead;
            arrowHead << pEnd
                      << QPointF(pEnd.x() - 7.0f, pEnd.y() - 4.5f)
                      << QPointF(pEnd.x() - 7.0f, pEnd.y() + 4.5f);
            painter.setBrush(lineCol);
            painter.setPen(Qt::NoPen);
            painter.drawPolygon(arrowHead);
        }
    }

    // 3b. Draw Technology Cards
    int effectiveSciRate = std::max(1, sciRate);
    for (const QString &tId : orderedIds) {
        const TechConfig &cfg = allTechs[tId];
        QRect nRect = nodeRects[tId];
        if (!m_techTreeCanvasRect.intersects(nRect)) continue;

        m_techNodeHits.push_back({nRect, tId});

        bool isResearched = player->hasResearched(tId);
        int qPos = player->getTechQueuePosition(tId);
        bool isActive = (qPos == 1);
        bool isQueued = (qPos > 1);
        bool isAvailable = !isResearched && player->arePrerequisitesMet(cfg.prerequisites);
        bool isHovered = nRect.contains(m_mouseCurrentPos);

        int curProg = isResearched ? cfg.scienceCost : player->getTechProgress(tId);
        int remSci = std::max(0, cfg.scienceCost - curProg);
        float progFrac = std::max(0.0f, std::min(1.0f, (float)curProg / (float)std::max(1, cfg.scienceCost)));
        int pct = (int)(progFrac * 100.0f);
        int estTicks = (int)std::ceil((float)remSci / (float)effectiveSciRate);

        // Card background & border based on state
        QColor bgCol, borderCol, badgeBgCol, badgeTextCol;
        QString statusText;

        if (isResearched) {
            bgCol = QColor(20, 42, 30, 240);
            borderCol = QColor(75, 220, 120);
            badgeBgCol = QColor(30, 75, 45);
            badgeTextCol = QColor(120, 255, 155);
            statusText = Localization::instance().get("ui.tech_tree.status_researched", "RESEARCHED");
        } else if (isActive) {
            bgCol = QColor(22, 46, 74, 245);
            borderCol = QColor(80, 225, 255);
            badgeBgCol = QColor(35, 95, 140);
            badgeTextCol = QColor(160, 245, 255);
            statusText = Localization::instance().get("ui.tech_tree.status_researching", "ACTIVE #1");
        } else if (isQueued) {
            bgCol = QColor(24, 38, 62, 240);
            borderCol = QColor(255, 205, 65);
            badgeBgCol = QColor(75, 60, 20);
            badgeTextCol = QColor(255, 225, 100);
            statusText = Localization::instance().get("ui.tech_tree.status_queued", "QUEUED #%1").arg(qPos);
        } else if (isAvailable) {
            bgCol = QColor(22, 34, 52, 235);
            borderCol = QColor(90, 165, 235);
            badgeBgCol = QColor(30, 55, 85);
            badgeTextCol = QColor(160, 215, 255);
            statusText = Localization::instance().get("ui.tech_tree.status_available", "AVAILABLE");
        } else {
            bgCol = QColor(18, 23, 34, 225);
            borderCol = QColor(65, 80, 105);
            badgeBgCol = QColor(32, 38, 52);
            badgeTextCol = QColor(150, 165, 190);
            statusText = Localization::instance().get("ui.tech_tree.status_locked", "LOCKED");
        }

        if (isHovered && !isResearched) {
            bgCol = bgCol.lighter(122);
            borderCol = borderCol.lighter(125);
        }

        painter.setBrush(bgCol);
        painter.setPen(QPen(borderCol, (isActive || isQueued || isHovered) ? 2.0 : 1.3));
        painter.drawRoundedRect(nRect, 7, 7);

        // Icon
        QImage tIcon = getTintedIcon(cfg.iconPath, isResearched ? QColor(100, 245, 140) : QColor(90, 205, 255));
        painter.drawImage(QRect(nRect.left() + 8, nRect.top() + 8, 22, 22), tIcon);

        // Tech Name
        painter.setFont(QFont("sans-serif", 8, QFont::Bold));
        painter.setPen(QColor(240, 248, 255));
        painter.drawText(QRect(nRect.left() + 34, nRect.top() + 6, nRect.width() - 112, 16),
                         Qt::AlignLeft | Qt::AlignVCenter, cfg.name);

        // Status Pill (Top-Right)
        QRect statusRect(nRect.right() - 74, nRect.top() + 6, 68, 16);
        painter.setBrush(badgeBgCol);
        painter.setPen(QPen(borderCol, 0.8));
        painter.drawRoundedRect(statusRect, 3, 3);
        painter.setFont(QFont("sans-serif", 6, QFont::Bold));
        painter.setPen(badgeTextCol);
        painter.drawText(statusRect, Qt::AlignCenter, statusText);

        // Science Cost / Partial Progress Bar
        QRect progBarBg(nRect.left() + 34, nRect.top() + 24, nRect.width() - 42, 13);
        painter.setBrush(QColor(12, 18, 26));
        painter.setPen(QPen(QColor(45, 65, 95), 0.8));
        painter.drawRoundedRect(progBarBg, 3, 3);

        if (curProg > 0) {
            QRect progBarFg(progBarBg.left(), progBarBg.top(), (int)(progBarBg.width() * progFrac), progBarBg.height());
            painter.setBrush(isResearched ? QColor(50, 175, 90) : QColor(45, 155, 225));
            painter.setPen(Qt::NoPen);
            painter.drawRoundedRect(progBarFg, 3, 3);
        }

        painter.setFont(QFont("sans-serif", 6, QFont::Bold));
        painter.setPen(Qt::white);
        QString costLabel;
        if (isResearched) {
            costLabel = QString("%L1 / %L2 (100%)").arg(cfg.scienceCost).arg(cfg.scienceCost);
        } else if (curProg > 0) {
            costLabel = QString("%L1 / %L2 (%3%) - ~%4t")
                            .arg(curProg).arg(cfg.scienceCost).arg(pct).arg(estTicks);
        } else {
            QString tickWord = (estTicks == 1)
                                   ? Localization::instance().get("ui.tech_tree.tick_singular", "tick")
                                   : Localization::instance().get("ui.tech_tree.tick_plural", "ticks");
            costLabel = Localization::instance().get("ui.tech_tree.cost_format", "%L1 Science (~%2 %3)")
                            .arg(cfg.scienceCost).arg(estTicks).arg(tickWord);
        }
        painter.drawText(progBarBg, Qt::AlignCenter, costLabel);

        // Unlocks & Obsoletes lines
        int infoY = nRect.top() + 42;
        QStringList unlocks = GameManager::instance().getTechUnlocks(tId);
        QStringList obsoletes = GameManager::instance().getTechObsoletes(tId);

        if (!unlocks.isEmpty()) {
            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(110, 240, 150));
            QString uStr = Localization::instance().get("ui.tech_tree.unlocks_label", "Unlocks: %1")
                               .arg(unlocks.join(", "));
            painter.drawText(QRect(nRect.left() + 8, infoY, nRect.width() - 16, 14),
                             Qt::AlignLeft | Qt::AlignVCenter, uStr);
            infoY += 14;
        }

        if (!obsoletes.isEmpty()) {
            painter.setFont(QFont("sans-serif", 7, QFont::Bold));
            painter.setPen(QColor(255, 155, 95));
            QString oStr = Localization::instance().get("ui.tech_tree.obsoletes_label", "Obsoletes: %1")
                               .arg(obsoletes.join(", "));
            painter.drawText(QRect(nRect.left() + 8, infoY, nRect.width() - 16, 14),
                             Qt::AlignLeft | Qt::AlignVCenter, oStr);
            infoY += 14;
        }

        // Description text in remaining bottom space
        if (infoY + 12 <= nRect.bottom() - 2) {
            painter.setFont(QFont("sans-serif", 6));
            painter.setPen(QColor(165, 185, 210));
            painter.drawText(QRect(nRect.left() + 8, infoY, nRect.width() - 16, nRect.bottom() - infoY - 3),
                             Qt::AlignLeft | Qt::AlignTop | Qt::TextWordWrap, cfg.description);
        }
    }

    painter.restore();

    // 4. Footer Help Text
    QRect footerRect(modalRect.left() + 16, modalRect.bottom() - footerH - 4, modalRect.width() - 32, footerH);
    painter.setFont(QFont("sans-serif", 7, QFont::StyleItalic));
    painter.setPen(QColor(150, 180, 215));
    painter.drawText(footerRect, Qt::AlignCenter,
                     Localization::instance().get("ui.tech_tree.help_text",
                                                 "Left-click a tech to research (prerequisites auto-queued by least remaining work) | Shift+Click to append | Right-click to remove | Drag/Scroll to pan"));
}