Fix ESC quitting, memory layout overlap, shuffle and move counting

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/themes/themes.odin

@@ -26,9 +26,10 @@ TITLE_FONT_SIZE: i32 = 72
 SUBTITLE_FONT_SIZE: i32 = 24
 BUTTON_FONT_SIZE: i32 = 24
 
-CARD_WIDTH: i32 = 100
-CARD_HEIGHT: i32 = 140
-CARD_SPACING: i32 = 15
+CARD_WIDTH: i32 = 90
+CARD_HEIGHT: i32 = 120
+CARD_SPACING: i32 = 12
+GRID_TOP: i32 = 140
 GRID_ROWS: i32 = 4
 GRID_COLS: i32 = 6
 FLIP_DELAY: f32 = 1.0