var WORLD_WIDTH = 3500;
var WORLD_HEIGHT = 600;
var MAX_LIVES = 3;

var CARD_NAMES = [
    '1-gift-of-water-action', '2-grow-greens-action', '3-fine-dining-compost-dish-action',
    '4-buzzing-with-wisdom-action', '5-baking-flatbread', '6-mixed-wastemonster-action',
    '7-ingredient-detective-action', '8-mindful-eating-action', '9-fermentastic-action',
    '10-tree-planter', '11-seed-scout', '12-natural-spritz',
    '13-dashboard-designer', '14-onion-bodyguard', '15-local-investor'
];

var PLATFORMS = [
    // Ground sections (with gaps between them = bottom holes)
    [0, 560, 400, 40],
    [500, 560, 300, 40],
    [900, 560, 200, 40],
    [1200, 560, 400, 40],
    [1700, 560, 200, 40],
    [2000, 560, 300, 40],
    [2400, 560, 200, 40],
    [2700, 560, 400, 40],
    [3200, 560, 300, 40],

    // Floating platforms (with cards)
    [200, 440, 120, 20],
    [400, 380, 100, 20],
    [600, 320, 120, 20],
    [850, 400, 100, 20],
    [1050, 340, 120, 20],
    [1300, 400, 100, 20],
    [1500, 320, 120, 20],
    [1750, 380, 100, 20],
    [1950, 300, 120, 20],
    [2200, 360, 100, 20],
    [2450, 280, 120, 20],
    [2700, 340, 100, 20],
    [2950, 300, 120, 20],
    [3200, 260, 100, 20],

    // High platforms (with card)
    [300, 240, 100, 20],

    // High platforms (with hazards — no cards)
    [700, 200, 120, 20],
    [1100, 220, 100, 20],
    [1600, 180, 120, 20],
    [2100, 200, 100, 20],
    [2600, 160, 120, 20],
    [3100, 180, 100, 20],
];

var CARD_POSITIONS = [
    [240, 410], [440, 350], [640, 290], [890, 370],
    [1090, 310], [1340, 370], [1550, 290], [1790, 350],
    [1990, 270], [2240, 330], [2490, 250], [2740, 310],
    [2990, 270], [3240, 230], [340, 210]
];

// Hazard zones — [x, y, w, h] — on platforms with NO cards
var PLATFORM_HAZARDS = [
    // High platforms without cards
    [700, 192, 80, 12],
    [1100, 212, 80, 12],
    [1600, 172, 80, 12],
    [2100, 192, 80, 12],
    [2600, 152, 80, 12],
    [3100, 172, 80, 12],
    // On ground sections
    [650, 552, 80, 12],
    [1400, 552, 80, 12],
    [2150, 552, 80, 12],
    [2900, 552, 80, 12],
];

// Hazard zones at the bottom of ground gaps (bottom holes)
var HOLE_HAZARDS = [
    [450, 588, 60, 24],
    [850, 588, 60, 24],
    [1150, 588, 60, 24],
    [1550, 588, 60, 24],
    [1950, 588, 60, 24],
    [2350, 588, 60, 24],
    [2650, 588, 60, 24],
    [3100, 588, 60, 24],
];

// Combined hazard list
var HAZARDS = PLATFORM_HAZARDS.concat(HOLE_HAZARDS);

// Jump pads on ground in the later part of the level
var JUMP_PADS = [
    [2250, 548, 60, 12],
    [2500, 548, 60, 12],
    [2750, 548, 60, 12],
    [3350, 548, 60, 12],
];

// Food positions — scattered on ground sections (away from hazards)
var FOOD_POSITIONS = [
    [150, 540],
    [550, 540],
    [1000, 540],
    [1350, 540],
    [1850, 540],
    [2550, 540],
    [3050, 540],
];

class GameScene extends Phaser.Scene {
    constructor() {
        super('GameScene');
    }

    create() {
        this.score = 0;
        this.totalCards = CARD_POSITIONS.length;
        this.canDoubleJump = true;
        this.wasOnGround = true;
        this.lives = MAX_LIVES;
        this.invulnerable = false;
        this.gameStarted = false;
        this.isDead = false;
        this.walkFrame = 0;
        this.walkTimer = 0;
        this.startTime = 0;
        this.elapsed = 0;
        this.bestTime = localStorage.getItem('fsys_agent_best_time')
            ? parseFloat(localStorage.getItem('fsys_agent_best_time')) : Infinity;

        this.physics.world.setBounds(0, 0, WORLD_WIDTH, WORLD_HEIGHT);

        // Parallax background layers
        this.cameras.main.setBackgroundColor(0x0F0F23);

        // Sky/stars layer — procedural gradient with stars
        var skyGfx = this.make.graphics({x: 0, y: 0});
        skyGfx.fillGradientStyle(0x0a0a2e, 0x0a0a2e, 0x1a1a4e, 0x1a1a4e, 1);
        skyGfx.fillRect(0, 0, 960, 600);
        skyGfx.fillStyle(0xffffff, 0.5);
        for (var si = 0; si < 20; si++) {
            skyGfx.fillCircle(
                10 + Math.random() * 940,
                10 + Math.random() * 580,
                0.5 + Math.random() * 1.5
            );
        }
        skyGfx.generateTexture('bg_sky', 960, 600);
        skyGfx.destroy();

        this.add.image(480, 300, 'bg_sky').setScrollFactor(0).setDepth(-12);

        // Main background — two copies for endless tiling, second mirrored
        var bgTex = this.textures.get('bg_platform');
        var bgScale = WORLD_HEIGHT / bgTex.getSourceImage().height;
        var bgWidth = bgTex.getSourceImage().width * bgScale;
        this.add.image(0, 0, 'bg_platform')
            .setOrigin(0, 0).setDisplaySize(bgWidth, WORLD_HEIGHT).setDepth(-10);
        this.add.image(bgWidth, 0, 'bg_platform')
            .setOrigin(0, 0).setDisplaySize(bgWidth, WORLD_HEIGHT).setFlipX(true).setDepth(-10);

        // Platforms — ground=bush+earth, floating=cloud
        this.platformGroup = this.physics.add.staticGroup();
        for (var i = 0; i < PLATFORMS.length; i++) {
            var p = PLATFORMS[i];
            var cx = p[0] + p[2] / 2;
            var cy = p[1] + p[3] / 2;

            // Invisible physics body
            var plat = this.add.rectangle(cx, cy, p[2], p[3], 0xffffff, 0.01);
            plat.setDepth(0);
            this.physics.add.existing(plat, true);
            this.platformGroup.add(plat);

            if (p[1] >= 560) {
                // Ground sections — earth base + bush tile overlay
                var earth = this.add.rectangle(cx, cy, p[2], p[3], 0x6b4423, 0.8);
                earth.setDepth(1);
                var bush = this.add.tileSprite(cx, cy, p[2], p[3], 'bush_tile');
                bush.setDepth(3);
                bush.setTint(0xccbb99);
            } else {
                // Floating platforms — cloud backdrop
                var cloudImg = this.add.image(cx, cy + 6, 'cloud_tile');
                cloudImg.setDepth(2);
                cloudImg.setDisplaySize(Math.max(p[2] + 40, 80), 60);
                cloudImg.setAlpha(0.8 + Math.random() * 0.2);
            }
        }

        // Cards
        this.cardGroup = this.physics.add.staticGroup();
        for (var j = 0; j < CARD_POSITIONS.length; j++) {
            var cp = CARD_POSITIONS[j];
            var cardKey = 'card_' + CARD_NAMES[j % CARD_NAMES.length];
            var texExists = this.textures.exists(cardKey);

            var card = this.cardGroup.create(cp[0], cp[1], texExists ? cardKey : undefined);
            card.refreshBody();
            card.setDepth(5);
            if (!texExists) card.setTint(0xffd700);

            this.tweens.add({
                targets: card,
                y: card.y - 4,
                duration: 600 + Math.random() * 400,
                yoyo: true,
                repeat: -1,
                ease: 'Sine.easeInOut'
            });
        }

        // Hazards — toxic sludge pools with bubbling animation
        this.hazardGroup = this.physics.add.staticGroup();
        for (var h = 0; h < HAZARDS.length; h++) {
            this.makeHazard(HAZARDS[h]);
        }

        // Jump pads — bouncy ground pads in later level
        this.jumpPadGroup = this.physics.add.staticGroup();
        for (var jpi = 0; jpi < JUMP_PADS.length; jpi++) {
            var jp = JUMP_PADS[jpi];
            var jx = jp[0] + jp[2] / 2;
            var jy = jp[1] + jp[3] / 2;

            var pad = this.add.image(jx, jy + 2, 'jump_pad');
            pad.setDepth(8);
            this.physics.add.existing(pad, true);
            this.jumpPadGroup.add(pad);

            this.tweens.add({
                targets: pad,
                alpha: { from: 0.7, to: 1 },
                duration: 500 + Math.random() * 200,
                yoyo: true,
                repeat: -1,
                ease: 'Sine.easeInOut'
            });
        }

        // Food — generate apple texture and place items
        var foodGfx = this.make.graphics({x: 0, y: 0});
        foodGfx.fillStyle(0xff3333);
        foodGfx.fillCircle(10, 12, 10);
        foodGfx.fillStyle(0x33cc33);
        foodGfx.fillRect(8, 2, 4, 6);
        foodGfx.generateTexture('food_apple', 20, 22);
        foodGfx.destroy();

        this.foodGroup = this.physics.add.staticGroup();
        for (var fi = 0; fi < FOOD_POSITIONS.length; fi++) {
            var fp = FOOD_POSITIONS[fi];
            var food = this.foodGroup.create(fp[0], fp[1], 'food_apple');
            food.setDepth(5);
            food.refreshBody();

            this.tweens.add({
                targets: food,
                y: food.y - 3,
                duration: 800 + Math.random() * 400,
                yoyo: true,
                repeat: -1,
                ease: 'Sine.easeInOut'
            });
        }

        // Player — kangaroo
        this.player = this.physics.add.sprite(100, 400, 'player_idle');
        this.player.setDepth(100);
        this.player.setScale(0.35);
        this.player.setCollideWorldBounds(true);
        this.player.body.setSize(60, 100);
        this.player.body.setOffset(22, 25);

        // Camera
        this.cameras.main.setBounds(0, 0, WORLD_WIDTH, WORLD_HEIGHT);
        this.cameras.main.startFollow(this.player, true, 0.15, 0.15);
        this.cameras.main.setDeadzone(100, 50);

        // Collisions
        this.physics.add.collider(this.player, this.platformGroup);
        this.physics.add.overlap(this.player, this.cardGroup, this.collectCard, null, this);
        this.physics.add.overlap(this.player, this.hazardGroup, this.hitHazard, null, this);
        this.physics.add.collider(this.player, this.jumpPadGroup, this.bouncePlayer, null, this);
        this.physics.add.overlap(this.player, this.foodGroup, this.collectFood, null, this);

        // Input
        this.input.addPointer(2);
        this.cursors = this.input.keyboard.createCursorKeys();
        this.wasd = this.input.keyboard.addKeys('W,A,S,D');

        // Touch controls — native DOM events for reliable multi-touch
        this.joystickActive = false;
        this.joystickTouchId = -1;
        this.joystickDir = 0;
        this.touchJump = false;
        this.touchJumpJustPressed = false;
        this.touchJumpTouchId = -1;

        var jBase = this.add.circle(120, 490, 55, 0xffffff, 0.12).setScrollFactor(0).setDepth(200);
        this.jKnob = this.add.circle(120, 490, 22, 0xffffff, 0.35).setScrollFactor(0).setDepth(201);
        this.add.text(120, 555, '\u25C0\u25B6', {
            fontFamily: 'Arial', fontSize: '13px', color: '#ffffff'
        }).setOrigin(0.5).setScrollFactor(0).setDepth(201);
        this.add.text(720, 570, 'JUMP', {
            fontFamily: 'Arial Black', fontSize: '18px', color: '#ffffff'
        }).setOrigin(0.5).setScrollFactor(0).setDepth(201).setAlpha(0.3);

        var canvas = this.sys.game.canvas;
        var self = this;
        function toGamePos(t) {
            var r = canvas.getBoundingClientRect();
            return { x: (t.clientX - r.left) * (960 / r.width), y: (t.clientY - r.top) * (600 / r.height) };
        }
        function handleTouch(e) {
            e.preventDefault();
            for (var i = 0; i < e.changedTouches.length; i++) {
                var t = e.changedTouches[i];
                var pos = toGamePos(t);
                if (e.type === 'touchstart') {
                    if (pos.x < 240 && self.joystickTouchId < 0) {
                        self.joystickActive = true;
                        self.joystickTouchId = t.identifier;
                        self.updateJoystickPos(pos.x, pos.y);
                    } else if (pos.x >= 480 && self.touchJumpTouchId < 0) {
                        self.touchJump = true;
                        self.touchJumpJustPressed = true;
                        self.touchJumpTouchId = t.identifier;
                    }
                } else if (e.type === 'touchmove' && t.identifier === self.joystickTouchId) {
                    self.updateJoystickPos(pos.x, pos.y);
                } else if (e.type === 'touchend' || e.type === 'touchcancel') {
                    if (t.identifier === self.joystickTouchId) {
                        self.joystickActive = false;
                        self.joystickTouchId = -1;
                        self.joystickDir = 0;
                        self.jKnob.setPosition(120, 490);
                    }
                    if (t.identifier === self.touchJumpTouchId) {
                        self.touchJump = false;
                        self.touchJumpTouchId = -1;
                    }
                }
            }
        }
        canvas.addEventListener('touchstart', handleTouch, { passive: false });
        canvas.addEventListener('touchmove', handleTouch, { passive: false });
        canvas.addEventListener('touchend', handleTouch, { passive: false });
        canvas.addEventListener('touchcancel', handleTouch, { passive: false });

        // HUD
        this.scoreText = this.add.text(16, 16, 'Cards: 0 / ' + this.totalCards, {
            fontFamily: 'Arial Black', fontSize: '18px', color: '#52ffff',
            stroke: '#000000', strokeThickness: 4
        }).setScrollFactor(0).setDepth(200);

        this.heartsTexts = [];
        this.drawHearts();

        // Timer (top-right)
        this.timerText = this.add.text(784, 16, '00:00', {
            fontFamily: 'Arial Black', fontSize: '20px', color: '#ffd700',
            stroke: '#000000', strokeThickness: 4
        }).setOrigin(1, 0).setScrollFactor(0).setDepth(200);

        if (this.bestTime < Infinity) {
            this.add.text(944, 40, 'FSYS Agent: ' + this.formatTime(this.bestTime), {
                fontFamily: 'Arial', fontSize: '12px', color: '#b9cbbc',
                stroke: '#000000', strokeThickness: 2
            }).setOrigin(1, 0).setScrollFactor(0).setDepth(200);
        }

        // Tutorial
        var isTouch = this.sys.game.device.input.touch;
        var tutMsg = isTouch ? 'Use the stick to move\nTap right side to jump\nCollect all cards!' : 'Arrow keys to move\nSpace to jump\nCollect all cards!';
        this.tutorialText = this.add.text(480, 300, tutMsg, {
            fontFamily: 'Arial', fontSize: '20px', color: '#ffffff',
            stroke: '#000000', strokeThickness: 4, align: 'center'
        }).setOrigin(0.5).setScrollFactor(0).setDepth(200);

        this.input.once('pointerdown', this.startGame, this);
        this.input.keyboard.once('keydown', this.startGame, this);
    }

    updateJoystickPos(x, y) {
        var dx = x - 120;
        var dy = y - 490;
        var dist = Math.sqrt(dx * dx + dy * dy);
        var maxDist = 55;
        if (dist > maxDist) {
            dx = dx / dist * maxDist;
            dy = dy / dist * maxDist;
        }
        this.jKnob.setPosition(120 + dx, 490 + dy);
        this.joystickDir = dx > 15 ? 1 : dx < -15 ? -1 : 0;
    }

    makeHazard(hz) {
        var cx = hz[0] + hz[2] / 2;
        var cy = hz[1] + hz[3] / 2;

        // Glowing pool base
        var pool = this.add.rectangle(cx, cy, hz[2], hz[3], 0x55cc33, 0.55);
        pool.setDepth(8);
        var glow = this.add.rectangle(cx, cy, hz[2] + 6, hz[3] + 6, 0xccff44, 0.15);
        glow.setDepth(7);

        // Pool pulse
        this.tweens.add({
            targets: [pool, glow],
            alpha: { from: 0.4, to: 0.7 },
            duration: 600 + Math.random() * 300,
            yoyo: true,
            repeat: -1,
            ease: 'Sine.easeInOut'
        });

        // Bubbles
        for (var b = 0; b < 3; b++) {
            (function(scene, hzRef) {
                var bx = hzRef[0] + 12 + Math.random() * (hzRef[2] - 24);
                var bubble = scene.add.circle(bx, hzRef[1] + hzRef[3] - 3, 2 + Math.random() * 2, 0xaaff88, 0.8);
                bubble.setDepth(9);
                var dur = 700 + Math.random() * 500;
                scene.tweens.add({
                    targets: bubble,
                    y: hzRef[1] - 6,
                    alpha: 0,
                    scale: 1.8,
                    duration: dur,
                    delay: Math.random() * dur,
                    repeat: -1,
                    onRepeat: function() {
                        bubble.y = hzRef[1] + hzRef[3] - 3;
                        bubble.alpha = 0.8;
                        bubble.setScale(1);
                        bubble.x = hzRef[0] + 12 + Math.random() * (hzRef[2] - 24);
                    }
                });
            })(this, hz);
        }

        // Physics body
        var hazardBody = this.hazardGroup.create(cx, cy);
        hazardBody.setDisplaySize(hz[2], hz[3] + 4);
        hazardBody.refreshBody();
        hazardBody.setVisible(false);
    }

    startGame() {
        if (this.gameStarted) return;
        this.gameStarted = true;
        this.startTime = this.time.now;
        this.tutorialText.setVisible(false);
        if (this.sys.game.device.input.touch) {
            var el = document.documentElement;
            if (el.requestFullscreen) el.requestFullscreen();
            else if (el.webkitRequestFullscreen) el.webkitRequestFullscreen();
        }
    }

    drawHearts() {
        for (var hi = 0; hi < this.heartsTexts.length; hi++) {
            this.heartsTexts[hi].destroy();
        }
        this.heartsTexts = [];
        var full = Math.floor(this.lives);
        var hasHalf = (this.lives - full) >= 0.49;
        for (var hi = 0; hi < MAX_LIVES; hi++) {
            var style = {
                fontFamily: 'Arial Black', fontSize: '20px',
                stroke: '#000000', strokeThickness: 3
            };
            var t;
            if (hi < full) {
                style.color = '#ff4444';
                t = this.add.text(16 + hi * 26, 44, '\u2764', style);
            } else if (hi === full && hasHalf) {
                style.color = '#ff8888';
                t = this.add.text(16 + hi * 26, 44, '\u2764', style);
                t.setAlpha(0.5);
            } else {
                style.color = '#884444';
                t = this.add.text(16 + hi * 26, 44, '\u2661', style);
                t.setAlpha(0.35);
            }
            t.setScrollFactor(0).setDepth(200);
            this.heartsTexts.push(t);
        }
    }

    update(time, delta) {
        if (this.isDead) return;
        if (!this.gameStarted) return;

        this.elapsed = (this.time.now - this.startTime) / 1000;
        this.timerText.setText(this.formatTime(this.elapsed));

        // Fall into bottom hole — lose life and respawn
        if (this.player.y > WORLD_HEIGHT + 50) {
            this.takeDamage();
            return;
        }

        var speed = 200;
        var onGround = this.player.body.blocked.down;

        if (onGround && !this.wasOnGround) {
            this.canDoubleJump = true;
        }
        this.wasOnGround = onGround;

        if (this.cursors.left.isDown || this.wasd.A.isDown || this.joystickDir < 0) {
            this.player.setVelocityX(-speed);
            this.player.setFlipX(true);
        } else if (this.cursors.right.isDown || this.wasd.D.isDown || this.joystickDir > 0) {
            this.player.setVelocityX(speed);
            this.player.setFlipX(false);
        } else {
            this.player.setVelocityX(0);
        }

        var jumpDown = this.cursors.space.isDown || this.cursors.up.isDown || this.wasd.W.isDown || this.touchJump;
        if (jumpDown && onGround) {
            this.player.setVelocityY(-420);
            this.canDoubleJump = true;
            if (this.cache.audio.exists('sfx_jump'))
                this.sound.play('sfx_jump', { volume: 0.4 });
        } else if (!onGround && this.canDoubleJump) {
            var freshPress = Phaser.Input.Keyboard.JustDown(this.cursors.space) ||
                             Phaser.Input.Keyboard.JustDown(this.cursors.up) ||
                             Phaser.Input.Keyboard.JustDown(this.wasd.W) ||
                             this.touchJumpJustPressed;
            this.touchJumpJustPressed = false;
            if (freshPress) {
                this.player.setVelocityY(-420);
                this.canDoubleJump = false;
                if (this.cache.audio.exists('sfx_jump'))
                    this.sound.play('sfx_jump', { volume: 0.4 });
                for (var dj = 0; dj < 8; dj++) {
                    var dot = this.add.circle(this.player.x + Phaser.Math.Between(-24, 24), this.player.y + 30, 2 + Math.random() * 3, 0xffffff, 0.7);
                    dot.setDepth(15);
                    this.tweens.add({
                        targets: dot,
                        y: dot.y + Phaser.Math.Between(30, 70),
                        x: dot.x + Phaser.Math.Between(-40, 40),
                        alpha: 0,
                        scale: 0.1,
                        duration: 250 + Math.random() * 200,
                        onComplete: function() { dot.destroy(); }
                    });
                }
            }
        }

        this.walkTimer += delta;
        if (!onGround) {
            this.player.setTexture('player_jump');
        } else if (Math.abs(this.player.body.velocity.x) > 10) {
            if (this.walkTimer > 180) {
                this.walkTimer = 0;
                this.walkFrame = 1 - this.walkFrame;
            }
            this.player.setTexture(this.walkFrame === 0 ? 'player_walk_a' : 'player_walk_b');
        } else {
            this.player.setTexture('player_idle');
            this.walkTimer = 0;
        }
    }

    takeDamage() {
        if (this.invulnerable || this.isDead) return;
        this.lives = Math.max(0, this.lives - 1);
        this.drawHearts();

        if (this.cache.audio.exists('sfx_hurt'))
            this.sound.play('sfx_hurt', { volume: 0.5 });

        if (this.lives <= 0) {
            this.die();
            return;
        }

        this.invulnerable = true;
        this.cameras.main.shake(100, 0.01);
        this.respawn();

        var self = this;
        this.tweens.add({
            targets: this.player,
            alpha: 0.3,
            duration: 80,
            yoyo: true,
            repeat: 7,
            onComplete: function() {
                self.player.setAlpha(1);
                self.invulnerable = false;
            }
        });
    }

    hitHazard(player, hazard) {
        this.takeDamage();
    }

    bouncePlayer(player, pad) {
        if (player.body.velocity.y < 0) return;
        player.setVelocityY(-580);
        this.tweens.add({
            targets: pad,
            scaleY: 0.4,
            scaleX: 1.2,
            duration: 80,
            yoyo: true,
            ease: 'Quad.easeOut'
        });
        if (this.cache.audio.exists('sfx_jump'))
            this.sound.play('sfx_jump', { volume: 0.3 });
    }

    respawn() {
        this.player.setVelocity(0, 0);
        this.player.setPosition(Phaser.Math.Clamp(this.player.x, 100, WORLD_WIDTH - 100), 350);
    }

    collectCard(player, card) {
        card.destroy();
        this.score++;
        this.scoreText.setText('Cards: ' + this.score + ' / ' + this.totalCards);

        if (this.cache.audio.exists('sfx_coin'))
            this.sound.play('sfx_coin', { volume: 0.3 });

        var pop = this.add.text(card.x, card.y - 10, '+1', {
            fontFamily: 'Arial Black', fontSize: '16px', color: '#ffd700',
            stroke: '#000000', strokeThickness: 3
        }).setOrigin(0.5).setDepth(150);

        this.tweens.add({
            targets: pop,
            y: pop.y - 40,
            alpha: 0,
            duration: 600,
            onComplete: function() { pop.destroy(); }
        });

        if (this.score >= this.totalCards) this.win();
    }

    collectFood(player, food) {
        if (this.lives >= MAX_LIVES) return;
        food.destroy();
        this.lives = Math.min(MAX_LIVES, this.lives + 0.5);
        this.drawHearts();

        if (this.cache.audio.exists('sfx_coin'))
            this.sound.play('sfx_coin', { volume: 0.3 });

        var pop = this.add.text(food.x, food.y - 10, '+0.5', {
            fontFamily: 'Arial Black', fontSize: '14px', color: '#ff6666',
            stroke: '#000000', strokeThickness: 3
        }).setOrigin(0.5).setDepth(150);

        this.tweens.add({
            targets: pop,
            y: pop.y - 30,
            alpha: 0,
            duration: 600,
            onComplete: function() { pop.destroy(); }
        });
    }

    die() {
        if (this.isDead) return;
        this.isDead = true;
        this.gameStarted = false;

        this.player.setTint(0xff0000);
        this.player.setVelocity(0, -200);

        if (this.cache.audio.exists('sfx_hurt'))
            this.sound.play('sfx_hurt', { volume: 0.5 });

        var self = this;
        this.time.delayedCall(1500, function() {
            self.scene.start('GameOver', {
                won: false, score: self.score, total: self.totalCards,
                time: self.elapsed, best: self.bestTime
            });
        });
    }

    win() {
        this.gameStarted = false;
        var isNewBest = false;
        if (this.elapsed < this.bestTime) {
            this.bestTime = this.elapsed;
            localStorage.setItem('fsys_agent_best_time', this.bestTime.toString());
            isNewBest = true;
        }
        this.tweens.add({
            targets: this.player,
            scale: 0.6,
            y: this.player.y - 50,
            duration: 500,
            ease: 'Bounce.easeOut'
        });
        var self = this;
        this.time.delayedCall(1500, function() {
            self.scene.start('GameOver', {
                won: true, score: self.score, total: self.totalCards,
                time: self.elapsed, best: self.bestTime, newBest: isNewBest
            });
        });
    }

    formatTime(seconds) {
        var m = Math.floor(seconds / 60);
        var s = Math.floor(seconds % 60);
        return (m < 10 ? '0' : '') + m + ':' + (s < 10 ? '0' : '') + s;
    }
}