diff --git a/client/src/FlyingButterflies.scss b/client/src/FlyingButterflies.scss
index bc05404..b7de14d 100644
--- a/client/src/FlyingButterflies.scss
+++ b/client/src/FlyingButterflies.scss
@@ -7,6 +7,49 @@
   pointer-events: none;
   z-index: 2;
   overflow: hidden;
+
+  // V režimu hraní herní vrstva zachytává kliknutí, aby se nedalo omylem
+  // překliknout do objednávek. V režimu objednávání propouští vše dál (none).
+  &.playing {
+    pointer-events: auto;
+  }
+}
+
+// Přepínač režimu hraní / objednávání
+.butterfly-mode-toggle {
+  position: fixed;
+  bottom: 16px;
+  right: 16px;
+  z-index: 7;
+  pointer-events: auto;
+  padding: 8px 14px;
+  border: none;
+  border-radius: 999px;
+  background: rgba(33, 37, 41, 0.88);
+  color: #fff;
+  font-weight: 700;
+  font-size: 0.9rem;
+  cursor: pointer;
+  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
+  backdrop-filter: blur(4px);
+  transition: background 0.15s ease, transform 0.08s ease;
+
+  &:hover { background: rgba(33, 37, 41, 1); }
+  &:active { transform: scale(0.96); }
+
+  &.playing {
+    background: #2f9e44;
+    &:hover { background: #2b8a3e; }
+  }
+}
+
+// Vrstva herních prvků (síťka, škůdci, pavučina) – skrývá se v režimu objednávání
+.butterfly-game-layer {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 100%;
+  height: 100%;
 }
 
 .butterfly-scene {
@@ -73,6 +116,20 @@
   }
 }
 
+// Korunovaný motýl (anti-bot inspekce) – nepřehlédnutelná duhová záře
+.butterfly-sprite.royal {
+  animation: butterfly-flap 0.35s ease-in-out infinite, butterfly-royal-glow 0.9s ease-in-out infinite;
+}
+
+@keyframes butterfly-royal-glow {
+  0%, 100% {
+    filter: drop-shadow(0 0 8px rgba(255, 215, 80, 1)) drop-shadow(0 0 16px rgba(120, 200, 255, 0.8));
+  }
+  50% {
+    filter: drop-shadow(0 0 16px rgba(255, 120, 220, 1)) drop-shadow(0 0 28px rgba(120, 255, 160, 0.9));
+  }
+}
+
 // Černá můra – zlověstný tmavý nádech
 .butterfly-sprite.moth {
   filter: drop-shadow(0 0 4px rgba(120, 60, 160, 0.6)) drop-shadow(0 1px 1px rgba(0, 0, 0, 0.4));
@@ -626,3 +683,67 @@
     filter: saturate(1.3) drop-shadow(0 0 8px rgba(255, 215, 80, 0.95)) drop-shadow(0 0 16px rgba(255, 190, 50, 0.7));
   }
 }
+
+// --- Anti-bot inspekce a vězení ---------------------------------------------
+
+.butterfly-inspection {
+  position: fixed;
+  top: 16px;
+  left: 50%;
+  transform: translateX(-50%);
+  z-index: 8;
+  pointer-events: none;
+  max-width: 92vw;
+  padding: 10px 16px;
+  border-radius: 999px;
+  background: rgba(28, 126, 214, 0.95);
+  color: #fff;
+  font-weight: 700;
+  font-size: 0.95rem;
+  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3);
+  animation: butterfly-flash-in 0.25s ease-out;
+}
+
+.butterfly-jail {
+  position: fixed;
+  inset: 0;
+  z-index: 6;
+  pointer-events: none;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+}
+
+// Svislé mříže přes celou obrazovku
+.butterfly-jail-bars {
+  position: absolute;
+  inset: 0;
+  background:
+    repeating-linear-gradient(
+      90deg,
+      rgba(20, 22, 28, 0.92) 0px,
+      rgba(20, 22, 28, 0.92) 14px,
+      rgba(20, 22, 28, 0) 14px,
+      rgba(20, 22, 28, 0) 70px
+    );
+  box-shadow: inset 0 0 120px rgba(0, 0, 0, 0.6);
+}
+
+.butterfly-jail-note {
+  position: relative;
+  text-align: center;
+  padding: 22px 26px;
+  border-radius: 16px;
+  background: rgba(255, 255, 255, 0.94);
+  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.4);
+  max-width: 90vw;
+
+  .jail-emoji { font-size: 2.4rem; }
+  .jail-title { font-weight: 800; font-size: 1.2rem; color: #c92a2a; margin-top: 4px; }
+  .jail-sub { margin-top: 6px; font-size: 0.95rem; color: #333; font-variant-numeric: tabular-nums; }
+  .jail-hint { margin-top: 8px; font-size: 0.8rem; color: #868e96; }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .butterfly-sprite.royal { animation: none; }
+}
diff --git a/client/src/FlyingButterflies.tsx b/client/src/FlyingButterflies.tsx
index 413c655..b4ae62a 100644
--- a/client/src/FlyingButterflies.tsx
+++ b/client/src/FlyingButterflies.tsx
@@ -28,6 +28,14 @@ const GOLD_VALUE = 25;
 const MOTH_PENALTY = 15;
 /** Přírůstek dosahu chytání za úroveň vylepšení „větší síťka" */
 const NET_UPGRADE_RADIUS = 9;
+/** Přírůstek vizuální velikosti síťky za úroveň vylepšení „větší síťka" (px) */
+const NET_UPGRADE_SIZE = 20;
+
+// Anti-bot „inspekce" – kontrola, že hraje člověk
+const INSPECT_WINDOW_FRAMES = 8 * 60;   // ~8 s na splnění
+const INSPECT_PAUSE_FRAMES = 45 * 60;   // ~45 s zabavená síťka při selhání
+const CHECK_EVERY_CLEAN = 220;          // po kolika úlovcích kontrola u „čistého" hraní
+const CHECK_EVERY_SUSPICIOUS = 25;      // při botích signálech mnohem dřív
 
 // „Bossové" (zloděj / housenka)
 const THIEF_HP = 22;
@@ -43,6 +51,17 @@ function formatRemaining(ms: number): string {
     return m > 0 ? `${m}:${String(ss).padStart(2, '0')}` : `${ss} s`;
 }
 
+/** Delší čas (ban) jako „H:MM:SS" nebo „M:SS". */
+function formatBan(ms: number): string {
+    const s = Math.ceil(ms / 1000);
+    const h = Math.floor(s / 3600);
+    const m = Math.floor((s % 3600) / 60);
+    const ss = s % 60;
+    const mm = String(m).padStart(2, '0');
+    const s2 = String(ss).padStart(2, '0');
+    return h > 0 ? `${h}:${mm}:${s2}` : `${m}:${s2}`;
+}
+
 interface ButterflyData {
     el: HTMLDivElement;
     sprite: HTMLDivElement;
@@ -51,6 +70,8 @@ interface ButterflyData {
     golden: boolean;
     /** Černá můra – chycení stojí úlovky (nepočítá se jako úlovek) */
     moth: boolean;
+    /** Korunovaný motýl pro anti-bot inspekci */
+    royal: boolean;
     bobFreq1: number; bobPhase1: number; bobAmp1: number;
     bobFreq2: number; bobPhase2: number; bobAmp2: number;
 }
@@ -99,6 +120,8 @@ interface SceneCallbacks {
     getCoins: () => number;
     getCaught: () => number;
     getNetUpgrade: () => number;
+    /** Do kdy platí serverový ban (ms epoch); 0 = bez banu */
+    getBanUntil: () => number;
     onTornChange: (torn: boolean) => void;
     onCombo: (count: number) => void;
     onSting: () => void;
@@ -111,6 +134,8 @@ interface SceneCallbacks {
     onStalkerAppear: (type: 'thief' | 'caterpillar') => void;
     onBatShooed: () => void;
     onWebCleared: () => void;
+    /** Stav anti-bot inspekce: začátek / úspěch / neúspěch (zabavená síťka) */
+    onInspection: (state: 'start' | 'pass' | 'fail') => void;
 }
 
 interface FlyingButterfliesProps {
@@ -123,10 +148,13 @@ interface FlyingButterfliesProps {
 class ButterflyScene {
     private viewport: HTMLElement;
     private world: HTMLDivElement;
+    /** Vrstva se všemi herními prvky (síťka, škůdci, pavučina) – jde skrýt v režimu objednávání */
+    private gameLayer: HTMLDivElement;
     private butterflies: ButterflyData[] = [];
     private birds: CritterData[] = [];
     private wasps: CritterData[] = [];
     private stalker: StalkerData | null = null;
+    private interactive: boolean = false;
     private numButterflies: number;
     private variants: readonly string[];
     private width: number;
@@ -157,6 +185,16 @@ class ButterflyScene {
     private webClicks: number = 0;
     private nextSpiderAt: number = 2400;
 
+    // Anti-bot inspekce
+    private trustedControl: boolean = false;   // síťku ovládá reálná (isTrusted) myš
+    private syntheticSeen: boolean = false;     // zaznamenán syntetický event / webdriver
+    private catchesSinceCheck: number = 0;
+    private nextCheckThreshold: number = CHECK_EVERY_CLEAN;
+    private inspecting: boolean = false;
+    private inspectUntil: number = 0;
+    private inspectPauseUntil: number = 0;      // do kdy je síťka „zabavená"
+    private royal: ButterflyData | null = null;
+
     private comboCount: number = 0;
     private lastCatchTs: number = 0;
     private comboTimer: number = 0;
@@ -195,6 +233,8 @@ class ButterflyScene {
     constructor(el: HTMLElement, numButterflies: number, variants: readonly string[], netEnabled: boolean, cb: SceneCallbacks) {
         this.viewport = el;
         this.world = document.createElement('div');
+        this.gameLayer = document.createElement('div');
+        this.gameLayer.className = 'butterfly-game-layer';
         this.numButterflies = numButterflies;
         this.variants = variants;
         this.netEnabled = netEnabled;
@@ -202,6 +242,8 @@ class ButterflyScene {
         this.width = this.viewport.offsetWidth;
         this.height = this.viewport.offsetHeight;
         this.net = document.createElement('div');
+        // Automatizované prohlížeče (Playwright/Puppeteer/Selenium) se prozradí
+        if (typeof navigator !== 'undefined' && (navigator as any).webdriver) this.syntheticSeen = true;
         this.handleResize = () => {
             this.width = this.viewport.offsetWidth;
             this.height = this.viewport.offsetHeight;
@@ -217,7 +259,10 @@ class ButterflyScene {
     }
 
     private get premiumActive(): boolean { return Date.now() < this.premiumUntil; }
-    private get netSize(): number { return this.premiumActive ? ButterflyScene.NET_SIZE_PREMIUM : ButterflyScene.NET_SIZE_NORMAL; }
+    private get netSize(): number {
+        const base = this.premiumActive ? ButterflyScene.NET_SIZE_PREMIUM : ButterflyScene.NET_SIZE_NORMAL;
+        return base + NET_UPGRADE_SIZE * this.cb.getNetUpgrade();
+    }
     private get catchRadius(): number {
         const base = this.premiumActive ? ButterflyScene.CATCH_RADIUS_PREMIUM : ButterflyScene.CATCH_RADIUS_NORMAL;
         return base + NET_UPGRADE_RADIUS * this.cb.getNetUpgrade();
@@ -225,6 +270,21 @@ class ButterflyScene {
     private get hoopOffsetX(): number { return this.netSize * ButterflyScene.HOOP_FRAC_X; }
     private get hoopOffsetY(): number { return this.netSize * ButterflyScene.HOOP_FRAC_Y; }
 
+    /** Do kdy je síťka „zabavená" (po neúspěšné inspekci) – nejde chytat ani ji vidět. */
+    private get confiscated(): boolean { return this.timer < this.inspectPauseUntil; }
+    /** Serverový ban (za opakované odhalení) – blokuje chytání. */
+    private get banned(): boolean { return Date.now() < this.cb.getBanUntil(); }
+
+    /**
+     * Přepne interaktivní režim (hraní vs. jen dekorace). Herní vrstvu jen skryje/ukáže,
+     * takže aktivní penalizace (pavučina, omráčení, zabavená síťka) přepnutím neobejdeš.
+     */
+    public setInteractive = (v: boolean): void => {
+        this.interactive = v;
+        this.gameLayer.style.display = v ? '' : 'none';
+        if (!v) { this.netGrabbed = false; this.net.classList.remove('grabbed'); }
+    };
+
     // --- Motýli --------------------------------------------------------------
 
     private resetButterfly = (b: ButterflyData): void => {
@@ -240,6 +300,19 @@ class ButterflyScene {
         b.bobPhase2 = Math.random() * Math.PI * 2;
         b.bobAmp2 = Math.random() * 0.6 + 0.4;
 
+        // Korunovaný motýl (inspekce) má přednost a zůstává jím, dokud inspekce trvá
+        if (b.royal) {
+            b.moth = false;
+            b.golden = false;
+            b.sprite.style.backgroundImage = `url(${GOLDEN_VARIANT})`;
+            b.sprite.classList.remove('golden', 'moth');
+            b.sprite.classList.add('royal');
+            b.size = 1.25;
+            b.sprite.style.animationDuration = `${Math.random() * 0.25 + 0.3}s`;
+            return;
+        }
+        b.sprite.classList.remove('royal');
+
         // Nejdřív můra, jinak vzácně zlatý, jinak běžná varianta
         b.moth = Math.random() < MOTH_CHANCE;
         b.golden = !b.moth && Math.random() < GOLDEN_CHANCE;
@@ -295,6 +368,9 @@ class ButterflyScene {
 
     private onPointerDown = (e: PointerEvent): void => {
         e.preventDefault();
+        // Síťku smí ovládat jen reálná myš (syntetické eventy mají isTrusted=false)
+        this.trustedControl = e.isTrusted && !(typeof navigator !== 'undefined' && (navigator as any).webdriver);
+        if (!e.isTrusted) this.syntheticSeen = true;
         this.netGrabbed = true;
         this.net.classList.add('grabbed');
         this.netX = e.clientX; this.netY = e.clientY;
@@ -302,6 +378,7 @@ class ButterflyScene {
     };
     private onPointerMove = (e: PointerEvent): void => {
         if (!this.netGrabbed) return;
+        if (!e.isTrusted) { this.syntheticSeen = true; this.trustedControl = false; }
         this.netX = e.clientX; this.netY = e.clientY;
         this.updateNetTransform();
     };
@@ -330,6 +407,13 @@ class ButterflyScene {
     /** Zpracuje kontakt síťky s letícím tvorem – buď úlovek, nebo penalta za můru. */
     private catchOne = (b: ButterflyData, atX: number, atY: number): void => {
         this.nextCatchAt = this.timer + ButterflyScene.CATCH_COOLDOWN;
+        // Během inspekce: chyť jen korunovaného, jinak neúspěch
+        if (this.inspecting) {
+            if (b.royal) this.passInspection();
+            else this.failInspection();
+            return;
+        }
+        this.catchesSinceCheck += 1;
         if (b.moth) {
             // Chytit černou můru je chyba – penalta, žádné kombo
             this.cb.onMothCaught();
@@ -362,7 +446,9 @@ class ButterflyScene {
 
     // Chytá max 1 motýla za CATCH_COOLDOWN snímků (fér nezávisle na velikosti okna)
     private checkCatches = (): void => {
-        if (this.torn || this.webbed || this.timer < this.stunUntil || this.timer < this.nextCatchAt) return;
+        // Síťku musí ovládat reálná myš; při zabavení/banu/pavučině/omráčení se nechytá
+        if (!this.trustedControl || this.confiscated || this.banned || this.torn || this.webbed
+            || this.timer < this.stunUntil || this.timer < this.nextCatchAt) return;
         const r2 = this.catchRadius * this.catchRadius;
         const half = ButterflyScene.BASE_SIZE / 2;
         for (const b of this.butterflies) {
@@ -377,7 +463,8 @@ class ButterflyScene {
     };
 
     private runMagnet = (): void => {
-        if (this.torn || this.webbed || this.timer < this.stunUntil || this.timer < this.nextCatchAt) return;
+        if (this.inspecting || !this.trustedControl || this.confiscated || this.banned || this.torn || this.webbed
+            || this.timer < this.stunUntil || this.timer < this.nextCatchAt) return;
         if (this.timer - this.lastMagnetAt < ButterflyScene.MAGNET_INTERVAL) return;
         this.lastMagnetAt = this.timer;
         const half = ButterflyScene.BASE_SIZE / 2;
@@ -392,6 +479,54 @@ class ButterflyScene {
         if (nearest) { this.catchOne(nearest, this.netX, this.netY); this.popNet(); }
     };
 
+    // --- Anti-bot inspekce ---------------------------------------------------
+
+    private scheduleNextCheck = (): void => {
+        this.catchesSinceCheck = 0;
+        const base = this.syntheticSeen ? CHECK_EVERY_SUSPICIOUS : CHECK_EVERY_CLEAN;
+        this.nextCheckThreshold = base + Math.floor(Math.random() * base * 0.4);
+    };
+
+    private clearRoyal = (): void => {
+        if (this.royal) {
+            this.royal.royal = false;
+            this.royal.sprite.classList.remove('royal');
+            this.resetButterfly(this.royal);
+            this.royal = null;
+        }
+    };
+
+    private startInspection = (): void => {
+        if (!this.butterflies.length) { this.scheduleNextCheck(); return; }
+        const b = this.butterflies[Math.floor(Math.random() * this.butterflies.length)];
+        b.royal = true;
+        b.moth = false;
+        b.golden = false;
+        b.sprite.style.backgroundImage = `url(${GOLDEN_VARIANT})`;
+        b.sprite.classList.remove('moth', 'golden');
+        b.sprite.classList.add('royal');
+        this.royal = b;
+        this.inspecting = true;
+        this.inspectUntil = this.timer + INSPECT_WINDOW_FRAMES;
+        this.cb.onInspection('start');
+    };
+
+    private passInspection = (): void => {
+        this.inspecting = false;
+        this.clearRoyal();
+        this.scheduleNextCheck();
+        this.spawnFx('👍', 'butterfly-swat-fx', this.netX, this.netY);
+        this.cb.onInspection('pass');
+    };
+
+    private failInspection = (): void => {
+        this.inspecting = false;
+        this.clearRoyal();
+        this.inspectPauseUntil = this.timer + INSPECT_PAUSE_FRAMES;
+        this.scheduleNextCheck();
+        this.cb.onInspection('fail');
+    };
+
     public activatePremiumNet = (): void => {
         this.premiumUntil = Date.now() + PREMIUM_DURATION_MS;
         this.applyNetAppearance();
@@ -460,7 +595,7 @@ class ButterflyScene {
             c.cleanup = () => el.removeEventListener('pointerdown', swat);
         }
 
-        this.world.appendChild(el);
+        this.gameLayer.appendChild(el);
         return c;
     };
 
@@ -647,7 +782,7 @@ class ButterflyScene {
         el.addEventListener('pointerdown', hit);
         s.cleanup = () => el.removeEventListener('pointerdown', hit);
 
-        this.viewport.appendChild(el);
+        this.gameLayer.appendChild(el);
         this.stalker = s;
         this.cb.onStalkerAppear(type);
     };
@@ -732,7 +867,7 @@ class ButterflyScene {
         };
         el.addEventListener('pointerdown', hit);
         bat.cleanup = () => el.removeEventListener('pointerdown', hit);
-        this.world.appendChild(el);
+        this.gameLayer.appendChild(el);
         this.bat = bat;
     };
 
@@ -799,7 +934,7 @@ class ButterflyScene {
         };
         el.addEventListener('pointerdown', strip);
         (el as any)._cleanup = () => el.removeEventListener('pointerdown', strip);
-        this.viewport.appendChild(el);
+        this.gameLayer.appendChild(el);
         this.web = el;
         this.spawnFx('🕸️ Pavučina!', 'butterfly-tear-fx', this.netX, this.netY - 20);
     };
@@ -831,7 +966,7 @@ class ButterflyScene {
         window.addEventListener('pointermove', this.onPointerMove);
         window.addEventListener('pointerup', this.onPointerUp);
         window.addEventListener('pointercancel', this.onPointerUp);
-        this.viewport.appendChild(this.net);
+        this.gameLayer.appendChild(this.net);
     };
 
     public init = (): void => {
@@ -844,7 +979,7 @@ class ButterflyScene {
             sprite.className = 'butterfly-sprite';
             el.appendChild(sprite);
             const b: ButterflyData = {
-                el, sprite, x: 0, y: 0, dir: 1, speed: 1, size: 1, golden: false, moth: false,
+                el, sprite, x: 0, y: 0, dir: 1, speed: 1, size: 1, golden: false, moth: false, royal: false,
                 bobFreq1: 0, bobPhase1: 0, bobAmp1: 0, bobFreq2: 0, bobPhase2: 0, bobAmp2: 0,
             };
             this.resetButterfly(b);
@@ -852,6 +987,8 @@ class ButterflyScene {
             this.world.appendChild(el);
         }
         this.viewport.appendChild(this.world);
+        this.viewport.appendChild(this.gameLayer);
+        this.gameLayer.style.display = this.interactive ? '' : 'none';
         if (this.netEnabled) this.initNet();
         window.addEventListener('resize', this.handleResize);
         document.addEventListener('visibilitychange', this.handleVisibility);
@@ -859,13 +996,19 @@ class ButterflyScene {
 
     private wasPremium: boolean = false;
     private wasStunned: boolean = false;
+    private lastNetUpgrade: number = 0;
 
     public render = (): void => {
         for (const b of this.butterflies) this.updateButterfly(b);
 
-        if (this.netEnabled) {
+        if (this.netEnabled && this.interactive) {
             const nowPremium = this.premiumActive;
-            if (this.wasPremium && !nowPremium) this.applyNetAppearance();
+            const nu = this.cb.getNetUpgrade();
+            // Přepočítej vzhled síťky při změně prémiové síťky i po koupi vylepšení
+            if ((this.wasPremium && !nowPremium) || nu !== this.lastNetUpgrade) {
+                this.lastNetUpgrade = nu;
+                this.applyNetAppearance();
+            }
             this.wasPremium = nowPremium;
 
             this.updateWasps();
@@ -883,6 +1026,19 @@ class ButterflyScene {
                 this.wasStunned = stunned;
             }
 
+            // Zabavená síťka (neúspěch inspekce) nebo ban → síťku opticky skryj, běží jen nápis
+            this.net.style.visibility = (this.confiscated || this.banned) ? 'hidden' : '';
+
+            // Anti-bot inspekce: konec časového okna = neúspěch
+            if (this.inspecting && this.timer >= this.inspectUntil) {
+                this.failInspection();
+            }
+            // Spuštění inspekce po dosažení prahu (jen při reálném hraní)
+            if (!this.inspecting && !this.confiscated && !this.banned && this.netGrabbed
+                && this.trustedControl && this.catchesSinceCheck >= this.nextCheckThreshold) {
+                this.startInspection();
+            }
+
             if (this.netGrabbed) this.checkCatches();
             if (nowPremium) this.runMagnet();
         }
@@ -903,7 +1059,7 @@ class ButterflyScene {
         window.removeEventListener('pointermove', this.onPointerMove);
         window.removeEventListener('pointerup', this.onPointerUp);
         window.removeEventListener('pointercancel', this.onPointerUp);
-        if (this.net.parentNode) this.net.parentNode.removeChild(this.net);
+        if (this.gameLayer.parentNode) this.gameLayer.parentNode.removeChild(this.gameLayer);
         window.removeEventListener('resize', this.handleResize);
         document.removeEventListener('visibilitychange', this.handleVisibility);
     };
@@ -932,6 +1088,20 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
     const [nowTs, setNowTs] = useState(() => Date.now());
     const flashTimer = useRef<number | null>(null);
 
+    // Režim: 'order' = jen dekorace (appka bez rušení), 'play' = plná hra
+    const [mode, setMode] = useState<'order' | 'play'>(() => {
+        try { return localStorage.getItem('butterflyMode') === 'play' ? 'play' : 'order'; }
+        catch { return 'order'; }
+    });
+    const interactive = enableNet && mode === 'play';
+    const toggleMode = useCallback(() => {
+        setMode(m => {
+            const next = m === 'play' ? 'order' : 'play';
+            try { localStorage.setItem('butterflyMode', next); } catch { /* ignore */ }
+            return next;
+        });
+    }, []);
+
     const showFlash = useCallback((msg: string) => {
         setFlash(msg);
         if (flashTimer.current) window.clearTimeout(flashTimer.current);
@@ -949,27 +1119,33 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
         }
     }, [showFlash]);
 
+    const [inspecting, setInspecting] = useState(false);
+
     const {
         stats, displayCaught, coinsRef, reportCatch, repair,
         killWasp, buyRepellent, reportTear, reportRobbery, defeatThief,
-        caterpillarAte, defeatCaterpillar, mothHit, buyPremium, waspSpray, buyInsurance, buyUpgrade,
+        caterpillarAte, defeatCaterpillar, mothHit, reportInspectionFail,
+        buyPremium, waspSpray, buyInsurance, buyUpgrade,
     } = useButterflyStats(handleReward);
 
     const netUpgradeRef = useRef(0);
     netUpgradeRef.current = stats?.upgrades?.net ?? 0;
+    const banUntilRef = useRef(0);
+    banUntilRef.current = stats?.banUntil ?? 0;
 
     const noop = () => { };
     const callbacksRef = useRef<SceneCallbacks>({
-        onCatch: noop, getCoins: () => 0, getCaught: () => 0, getNetUpgrade: () => 0, onTornChange: noop,
+        onCatch: noop, getCoins: () => 0, getCaught: () => 0, getNetUpgrade: () => 0, getBanUntil: () => 0, onTornChange: noop,
         onCombo: noop, onSting: noop, onSwatWasp: noop, onMothCaught: noop,
         onRobbery: noop, onDefeatThief: noop, onCaterpillarAte: noop,
-        onDefeatCaterpillar: noop, onStalkerAppear: noop, onBatShooed: noop, onWebCleared: noop,
+        onDefeatCaterpillar: noop, onStalkerAppear: noop, onBatShooed: noop, onWebCleared: noop, onInspection: noop,
     });
     callbacksRef.current = {
         onCatch: (golden) => reportCatch(golden),
         getCoins: () => coinsRef.current,
         getCaught: () => stats?.caught ?? 0,
         getNetUpgrade: () => netUpgradeRef.current,
+        getBanUntil: () => banUntilRef.current,
         onTornChange: (t) => { if (t) void reportTear(); },
         onCombo: (c) => setCombo(c),
         onSting: () => showFlash('🐝 Au! Vosa tě žihla – síťka teď 5 s nechytá. Zaklikej vosy!'),
@@ -984,8 +1160,17 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
             : '🐛 Housenka! Plíží se k tvým úlovkům – zaklikej ji!'),
         onBatShooed: () => showFlash('🦇 Netopýr zahnán!'),
         onWebCleared: () => showFlash('🕸️ Pavučina stržena – zase můžeš chytat.'),
+        onInspection: (state) => {
+            if (state === 'start') { setInspecting(true); }
+            else if (state === 'pass') { setInspecting(false); showFlash('🕵️ Inspekce OK – hraj dál!'); }
+            else { setInspecting(false); void reportInspectionFail(); showFlash('👮 Inspekce neúspěšná – síťka zabavena na 45 s!'); }
+        },
     };
 
+    // Aktuální interaktivita pro init (bez recreate scény při přepnutí režimu)
+    const interactiveRef = useRef(interactive);
+    interactiveRef.current = interactive;
+
     const initialize = useCallback(() => {
         if (containerRef.current) {
             sceneRef.current = new ButterflyScene(containerRef.current, numButterflies, butterflyVariants, enableNet, {
@@ -993,6 +1178,7 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
                 getCoins: () => callbacksRef.current.getCoins(),
                 getCaught: () => callbacksRef.current.getCaught(),
                 getNetUpgrade: () => callbacksRef.current.getNetUpgrade(),
+                getBanUntil: () => callbacksRef.current.getBanUntil(),
                 onTornChange: (t) => callbacksRef.current.onTornChange(t),
                 onCombo: (c) => callbacksRef.current.onCombo(c),
                 onSting: () => callbacksRef.current.onSting(),
@@ -1005,10 +1191,14 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
                 onStalkerAppear: (t) => callbacksRef.current.onStalkerAppear(t),
                 onBatShooed: () => callbacksRef.current.onBatShooed(),
                 onWebCleared: () => callbacksRef.current.onWebCleared(),
+                onInspection: (s) => callbacksRef.current.onInspection(s),
             });
             sceneRef.current.init();
+            sceneRef.current.setInteractive(interactiveRef.current);
             sceneRef.current.render();
         }
+        // Scéna žije trvale; režim se přepíná přes setInteractive (viz efekt níže),
+        // aby přepnutí neobešlo aktivní penalizace.
     }, [numButterflies, butterflyVariants, enableNet]);
 
     useEffect(() => {
@@ -1019,6 +1209,9 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
         };
     }, [initialize]);
 
+    // Přepnutí režimu hraní/objednávání jen přepne interaktivitu (bez recreate)
+    useEffect(() => { sceneRef.current?.setInteractive(interactive); }, [interactive]);
+
     const wasps = stats?.wasps ?? 0;
     const birds = stats?.birds ?? 0;
     const netTornUntil = stats?.netTornUntil ?? 0;
@@ -1042,14 +1235,17 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
     const repellentUntil = stats?.repellentUntil ?? 0;
     const repellentRemainingMs = Math.max(0, repellentUntil - nowTs);
     const repellentActive = repellentRemainingMs > 0;
+    const banUntil = stats?.banUntil ?? 0;
+    const banned = banUntil > nowTs;
+    const banRemainingMs = Math.max(0, banUntil - nowTs);
 
-    // Tik po sekundách pro odpočty plašiče i protržené síťky (jen dokud běží)
+    // Tik po sekundách pro odpočty plašiče, protržené síťky a banu (jen dokud běží)
     useEffect(() => {
-        const until = Math.max(repellentUntil, netTornUntil);
+        const until = Math.max(repellentUntil, netTornUntil, banUntil);
         if (until <= Date.now()) return;
         const id = window.setInterval(() => setNowTs(Date.now()), 1000);
         return () => window.clearInterval(id);
-    }, [repellentUntil, netTornUntil]);
+    }, [repellentUntil, netTornUntil, banUntil]);
 
     const onRepairClick = useCallback(async () => {
         const ok = await repair();
@@ -1087,8 +1283,38 @@ const FlyingButterflies: React.FC<FlyingButterfliesProps> = ({
 
     return (
         <>
-            <div ref={containerRef} className={className} />
+            <div ref={containerRef} className={interactive ? `${className} playing` : className} />
+
             {enableNet && (
+                <button
+                    type="button"
+                    className={interactive ? 'butterfly-mode-toggle playing' : 'butterfly-mode-toggle'}
+                    onClick={toggleMode}
+                    title={interactive ? 'Přepnout na objednávání (vypne hru)' : 'Zapnout hraní s motýly'}
+                >
+                    {interactive ? '🍽️ Objednávat' : '🎮 Hrát'}
+                </button>
+            )}
+
+            {interactive && inspecting && !banned && (
+                <div className="butterfly-inspection">
+                    🕵️ Inspekce! Chyť <b>zářícího královského motýla 👑</b> — a jiného se nedotkni!
+                </div>
+            )}
+
+            {interactive && banned && (
+                <div className="butterfly-jail">
+                    <div className="butterfly-jail-bars" aria-hidden="true" />
+                    <div className="butterfly-jail-note">
+                        <div className="jail-emoji">🚔👮</div>
+                        <div className="jail-title">Ve vězení za podvádění!</div>
+                        <div className="jail-sub">Inspektor tě přistihl. Pustí tě za <b>{formatBan(banRemainingMs)}</b>.</div>
+                        <div className="jail-hint">Chytání je zastavené. Objednávat můžeš dál – přepni vpravo dole.</div>
+                    </div>
+                </div>
+            )}
+
+            {interactive && (
                 <div className="butterfly-hud">
                     {flash && (
                         <div className="butterfly-flash" onClick={() => setFlash(null)} title="Klikni pro zavření">
diff --git a/client/src/hooks/useButterflyStats.ts b/client/src/hooks/useButterflyStats.ts
index 2b9c88c..ead7211 100644
--- a/client/src/hooks/useButterflyStats.ts
+++ b/client/src/hooks/useButterflyStats.ts
@@ -12,6 +12,7 @@ import {
     reportCaterpillarAte as caterpillarAteApi,
     defeatCaterpillar as defeatCaterpillarApi,
     reportMothHit as mothHitApi,
+    reportInspectionFail as inspectionFailApi,
     buyPremiumNet as buyPremiumApi,
     buyWaspSpray as waspSprayApi,
     buyInsurance as buyInsuranceApi,
@@ -166,6 +167,14 @@ export function useButterflyStats(onReward?: (e: RewardEvent) => void) {
         } catch { /* ignore */ }
     }, [applyStats]);
 
+    /** Selhání anti-bot inspekce – server počítá selhání a případně udělí ban. */
+    const reportInspectionFail = useCallback(async () => {
+        try {
+            const res = await inspectionFailApi();
+            if (res.data) applyStats(res.data);
+        } catch { /* ignore */ }
+    }, [applyStats]);
+
     /** Vyhodnotí výsledek nákupu z odpovědi (402 = nedostatek mincí, jinak chyba). */
     const buyResult = useCallback((res: { data?: unknown; response?: Response }): BuyResult => {
         if (res.data) { applyStats(res.data as ButterflyStats); return 'ok'; }
@@ -242,6 +251,6 @@ export function useButterflyStats(onReward?: (e: RewardEvent) => void) {
     return {
         stats, displayCaught, coinsRef, reportCatch, repair, killWasp, buyRepellent,
         reportTear, reportRobbery, defeatThief, caterpillarAte, defeatCaterpillar,
-        mothHit, buyPremium, waspSpray, buyInsurance, buyUpgrade,
+        mothHit, reportInspectionFail, buyPremium, waspSpray, buyInsurance, buyUpgrade,
     };
 }
diff --git a/server/changelogs/2026-07-27.json b/server/changelogs/2026-07-27.json
new file mode 100644
index 0000000..0ca3567
--- /dev/null
+++ b/server/changelogs/2026-07-27.json
@@ -0,0 +1,5 @@
+[
+  "Přepínač Hraní / Objednávání: ve výchozím režimu motýli jen poletují a nic neruší objednávání; hru zapneš tlačítkem vpravo dole a herní vrstva pak odstíní kliknutí, aby ses při hraní neproklikl do objednávky",
+  "Vylepšení „větší síťka“ teď síťku i viditelně zvětší (a projeví se hned po koupi)",
+  "Občas proběhne rychlá motýlí inspekce – chyť označeného zářícího motýla; férových hráčů se to skoro nedotkne, na roboty ale platí (a recidivisty čeká i chvilka ve vězení)"
+]
diff --git a/server/src/butterflies.ts b/server/src/butterflies.ts
index 0d62b5c..964df16 100644
--- a/server/src/butterflies.ts
+++ b/server/src/butterflies.ts
@@ -41,6 +41,14 @@ interface StoredButterflyStats {
     /** Počet započtených úlovků v aktuálním okně */
     catchWindowCount: number;
 
+    // --- Anti-bot ban (opakované selhání inspekce) ---
+    /** Počet selhání inspekce v aktuálním okně */
+    inspectionFails: number;
+    /** Začátek okna pro počítání selhání (ms epoch) */
+    inspectionWindowStart: number;
+    /** Do kdy platí ban za podvádění (ms epoch); 0 = bez banu */
+    banUntil: number;
+
     /** Kolikrát hráč omylem chytil černou můru */
     mothsHit: number;
     /** Trvalá vylepšení z obchodu */
@@ -156,6 +164,13 @@ export const RATE_CAP_PER_MIN = 90;
 /** Délka okna pro rate-cap (ms) */
 const RATE_WINDOW_MS = 60_000;
 
+/** Kolik selhání inspekce v okně vede k banu */
+export const BAN_FAIL_THRESHOLD = 3;
+/** Okno, ve kterém se selhání inspekce počítají (ms) */
+export const BAN_WINDOW_MS = 10 * 60_000;
+/** Jak dlouho trvá ban za podvádění (ms) */
+export const BAN_DURATION_MS = 90 * 60_000;
+
 /**
  * Tituly úrovní. Pro úrovně nad rámec pole se použije poslední titul s hvězdičkami
  * (prestiž), takže postup nikdy „nedojde".
@@ -241,6 +256,7 @@ function defaultStats(now: number): StoredButterflyStats {
         repellentUntil: 0, netTornUntil: 0,
         lastWaspAt: now, lastBirdAt: now,
         catchWindowStart: now, catchWindowCount: 0,
+        inspectionFails: 0, inspectionWindowStart: now, banUntil: 0,
         mothsHit: 0,
         upgrades: { net: 0, scarecrow: 0, reinforced: 0 },
         insuranceUntil: 0,
@@ -267,6 +283,9 @@ function normalize(s: StoredButterflyStats, now: number): StoredButterflyStats {
         lastBirdAt: s.lastBirdAt ?? now,
         catchWindowStart: s.catchWindowStart ?? now,
         catchWindowCount: s.catchWindowCount ?? 0,
+        inspectionFails: s.inspectionFails ?? 0,
+        inspectionWindowStart: s.inspectionWindowStart ?? now,
+        banUntil: s.banUntil ?? 0,
         mothsHit: s.mothsHit ?? 0,
         upgrades: {
             net: s.upgrades?.net ?? 0,
@@ -315,6 +334,8 @@ function bumpDaily(s: StoredButterflyStats, kind: string, amount: number): void
 export function growPests(s: StoredButterflyStats, now: number): void {
     // Síťka se sama zašije po uplynutí odpočtu
     if (s.netTornUntil && s.netTornUntil <= now) s.netTornUntil = 0;
+    // Vypršelý ban vyčistíme
+    if (s.banUntil && s.banUntil <= now) s.banUntil = 0;
 
     // Vosy
     if (s.wasps < WASP_MAX) {
@@ -365,6 +386,7 @@ function toDto(s: StoredButterflyStats): ButterflyStats {
         repellentUntil: s.repellentUntil,
         netTornUntil: s.netTornUntil,
         insuranceUntil: s.insuranceUntil,
+        banUntil: s.banUntil,
         upgrades: { ...s.upgrades },
         daily: {
             taskId: s.daily.taskId,
@@ -434,6 +456,9 @@ export async function recordCatches(login: string, normal: number, golden: numbe
     let premiumUnlocked = false;
 
     const mine = await mutateUser(login, now, (s) => {
+        // Ban za podvádění: během banu se nic nezapočítává
+        if (s.banUntil > now) return;
+
         const oldCaught = s.caught;
         const oldLevel = levelForCaught(oldCaught);
 
@@ -529,6 +554,27 @@ export async function reportNetTorn(login: string, now: number = Date.now()): Pr
     return toDto(mine);
 }
 
+/**
+ * Zaznamená selhání anti-bot inspekce. Po BAN_FAIL_THRESHOLD selháních v okně
+ * BAN_WINDOW_MS udělí ban na BAN_DURATION_MS (perzistentní – nejde obejít
+ * obnovením stránky ani přepnutím režimu).
+ */
+export async function reportInspectionFail(login: string, now: number = Date.now()): Promise<ButterflyStats> {
+    const mine = await mutateUser(login, now, (s) => {
+        if (s.banUntil > now) return; // už zabanovaný
+        if (now - s.inspectionWindowStart > BAN_WINDOW_MS) {
+            s.inspectionWindowStart = now;
+            s.inspectionFails = 0;
+        }
+        s.inspectionFails += 1;
+        if (s.inspectionFails >= BAN_FAIL_THRESHOLD) {
+            s.banUntil = now + BAN_DURATION_MS;
+            s.inspectionFails = 0;
+        }
+    });
+    return toDto(mine);
+}
+
 /** Zloděj se dostal k penězům a ukradl podíl mincí (méně, když je aktivní pojistka). */
 export async function robbery(login: string, now: number = Date.now()): Promise<ButterflyStats> {
     const mine = await mutateUser(login, now, (s) => {
diff --git a/server/src/routes/butterflyRoutes.ts b/server/src/routes/butterflyRoutes.ts
index 9279aed..05d2c8f 100644
--- a/server/src/routes/butterflyRoutes.ts
+++ b/server/src/routes/butterflyRoutes.ts
@@ -13,6 +13,7 @@ import {
     caterpillarAte,
     defeatCaterpillar,
     mothHit,
+    reportInspectionFail,
     buyPremium,
     waspSpray,
     buyInsurance,
@@ -128,6 +129,14 @@ router.post("/moth", async (req: Request, res, next) => {
     } catch (e: any) { next(e) }
 });
 
+router.post("/inspectionFailed", async (req: Request, res, next) => {
+    try {
+        const login = getLogin(parseToken(req));
+        const data = await reportInspectionFail(login);
+        res.status(200).json(data);
+    } catch (e: any) { next(e) }
+});
+
 router.post("/buyPremium", async (req: Request, res, next) => {
     try {
         const login = getLogin(parseToken(req));
diff --git a/server/src/routes/changelogRoutes.ts b/server/src/routes/changelogRoutes.ts
index 20598fd..b9ca253 100644
--- a/server/src/routes/changelogRoutes.ts
+++ b/server/src/routes/changelogRoutes.ts
@@ -20,8 +20,19 @@ function loadAllChangelogs(): Record<string, string[]> {
     for (const file of files) {
         const date = file.replace(".json", "");
         if (!cache[date]) {
-            const content = fs.readFileSync(path.join(CHANGELOGS_DIR, file), "utf-8");
-            cache[date] = JSON.parse(content);
+            try {
+                const content = fs.readFileSync(path.join(CHANGELOGS_DIR, file), "utf-8");
+                const parsed = JSON.parse(content);
+                // Očekáváme pole řetězců; jiný obsah přeskočíme
+                if (Array.isArray(parsed)) {
+                    cache[date] = parsed;
+                } else {
+                    console.warn(`Changelog ${file} není pole – přeskočeno.`);
+                }
+            } catch (e) {
+                // Vadný JSON nesmí shodit celý changelog endpoint – přeskočíme ho
+                console.warn(`Changelog ${file} má neplatný JSON – přeskočeno:`, (e as Error).message);
+            }
         }
     }
 
diff --git a/server/src/tests/butterflies.test.ts b/server/src/tests/butterflies.test.ts
index 36ca634..6ed419e 100644
--- a/server/src/tests/butterflies.test.ts
+++ b/server/src/tests/butterflies.test.ts
@@ -12,6 +12,7 @@ import {
     caterpillarAte,
     defeatCaterpillar,
     mothHit,
+    reportInspectionFail,
     buyPremium,
     waspSpray,
     buyInsurance,
@@ -44,6 +45,9 @@ import {
     CATERPILLAR_EATS,
     CATERPILLAR_REWARD,
     AUTO_REPAIR_MS,
+    BAN_FAIL_THRESHOLD,
+    BAN_DURATION_MS,
+    BAN_WINDOW_MS,
     MOTH_PENALTY,
     PREMIUM_BUY_COST,
     WASP_SPRAY_COST,
@@ -470,6 +474,37 @@ describe('achievementy', () => {
     });
 });
 
+describe('anti-bot ban', () => {
+    test('po prahu selhání inspekce udělí ban', async () => {
+        const now = 6_000_000;
+        await seed(USER, { caught: 0, coins: 0, goldenCaught: 0, inspectionWindowStart: now });
+        let stats;
+        for (let i = 0; i < BAN_FAIL_THRESHOLD - 1; i++) {
+            stats = await reportInspectionFail(USER, now + i * 1000);
+            expect(stats.banUntil).toBe(0);
+        }
+        stats = await reportInspectionFail(USER, now + BAN_FAIL_THRESHOLD * 1000);
+        expect(stats.banUntil).toBe(now + BAN_FAIL_THRESHOLD * 1000 + BAN_DURATION_MS);
+    });
+
+    test('selhání mimo okno se nesčítají do banu', async () => {
+        const now = 7_000_000;
+        await seed(USER, { caught: 0, coins: 0, goldenCaught: 0, inspectionWindowStart: now });
+        await reportInspectionFail(USER, now);
+        // daleko za oknem → počítadlo se resetuje
+        const stats = await reportInspectionFail(USER, now + BAN_WINDOW_MS + 1000);
+        expect(stats.banUntil).toBe(0);
+    });
+
+    test('během banu se úlovky nezapočítávají', async () => {
+        const now = 8_000_000;
+        await seed(USER, { caught: 10, coins: 5, goldenCaught: 0, banUntil: now + BAN_DURATION_MS, lastCatchDay: formatDate(new Date(now)) });
+        const result = await recordCatches(USER, 20, 0, now);
+        expect(result.stats.caught).toBe(10);   // beze změny
+        expect(result.coinsAwarded).toBe(0);
+    });
+});
+
 describe('getLeaderboard', () => {
     test('řadí sestupně dle počtu chycených a respektuje limit', async () => {
         await seed(USER, { caught: 100, coins: 0, goldenCaught: 2 });
diff --git a/types/api.yml b/types/api.yml
index 05dab7b..1abcbe6 100644
--- a/types/api.yml
+++ b/types/api.yml
@@ -104,6 +104,8 @@ paths:
     $ref: "./paths/butterflies/defeatCaterpillar.yml"
   /butterflies/moth:
     $ref: "./paths/butterflies/moth.yml"
+  /butterflies/inspectionFailed:
+    $ref: "./paths/butterflies/inspectionFailed.yml"
   /butterflies/buyPremium:
     $ref: "./paths/butterflies/buyPremium.yml"
   /butterflies/waspSpray:
diff --git a/types/paths/butterflies/inspectionFailed.yml b/types/paths/butterflies/inspectionFailed.yml
new file mode 100644
index 0000000..104cc3b
--- /dev/null
+++ b/types/paths/butterflies/inspectionFailed.yml
@@ -0,0 +1,12 @@
+post:
+  operationId: reportInspectionFail
+  summary: >-
+    Zaznamená selhání anti-bot inspekce. Po několika selháních v krátkém okně
+    udělí perzistentní ban za podvádění.
+  responses:
+    "200":
+      description: Aktualizované statistiky (případně s aktivním banem).
+      content:
+        application/json:
+          schema:
+            $ref: "../../schemas/_index.yml#/ButterflyStats"
diff --git a/types/schemas/_index.yml b/types/schemas/_index.yml
index ebb412b..6e515d2 100644
--- a/types/schemas/_index.yml
+++ b/types/schemas/_index.yml
@@ -949,6 +949,7 @@ ButterflyStats:
     - repellentUntil
     - netTornUntil
     - insuranceUntil
+    - banUntil
     - upgrades
     - daily
   properties:
@@ -1003,6 +1004,9 @@ ButterflyStats:
     insuranceUntil:
       description: Časové razítko (ms epoch), do kdy platí pojistka proti zloději; 0 = neaktivní
       type: integer
+    banUntil:
+      description: Časové razítko (ms epoch), do kdy platí ban za podvádění; 0 = bez banu
+      type: integer
     upgrades:
       $ref: "#/ButterflyUpgrades"
     daily: