From 207b77500e16304b3df9d9fad76598a86a9a753f Mon Sep 17 00:00:00 2001
From: "gpt-engineer-app[bot]"
 <159125892+gpt-engineer-app[bot]@users.noreply.github.com>
Date: Mon, 21 Jul 2025 10:18:23 +0000
Subject: [PATCH] Fix Binary Search Magic Trick

Deactivate "Reveal Number" button until all cards are selected in one-by-one mode.
---
 src/components/BinarySearchTrick.tsx | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/components/BinarySearchTrick.tsx b/src/components/BinarySearchTrick.tsx
index 444505a..0dd4114 100644
--- a/src/components/BinarySearchTrick.tsx
+++ b/src/components/BinarySearchTrick.tsx
@@ -123,6 +123,11 @@ const BinarySearchTrick = ({ showSocialShare = true }: BinarySearchTrickProps) =
 
   // Check if at least one card has been selected (present or absent)
   const hasAnySelection = Object.values(cardStates).some(state => state !== 'unselected');
+  
+  // Check if all cards have been committed to in one-by-one mode
+  const allCardsCommitted = isOneByOne 
+    ? cards.every(card => cardStates[card.id] && cardStates[card.id] !== 'unselected')
+    : hasAnySelection;
 
   // Get cards to display based on mode
   const getDisplayCards = () => {
@@ -315,7 +320,7 @@ const BinarySearchTrick = ({ showSocialShare = true }: BinarySearchTrickProps) =
         <div className="flex gap-4">
           <Button 
             onClick={calculateResult}
-            disabled={!hasAnySelection}
+            disabled={!allCardsCommitted}
             size="lg"
             className="min-w-32"
           >