chore(release): 4.20.0 [skip ci]

## [4.20.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.19.0...v4.20.0) (2025-10-19)

### Features

* **tutorial:** add hideTooltip prop and improve dark mode coaching bar ([1ee25b3](1ee25b3dd2))

CHANGELOG.md

@@ -1,3 +1,31 @@
+## [4.20.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.19.0...v4.20.0) (2025-10-19)
+
+
+### Features
+
+* **tutorial:** add hideTooltip prop and improve dark mode coaching bar ([1ee25b3](https://github.com/antialias/soroban-abacus-flashcards/commit/1ee25b3dd2f0ee9dd7ed571ba818b7ca5a247f85))
+
+## [4.19.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.18.1...v4.19.0) (2025-10-19)
+
+
+### Features
+
+* **tutorial:** add fill color support for dark mode column posts and reckoning bar ([2eb3ff3](https://github.com/antialias/soroban-abacus-flashcards/commit/2eb3ff340613301df20bf14f5b461371a27d7f05))
+
+## [4.18.1](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.18.0...v4.18.1) (2025-10-19)
+
+
+### Bug Fixes
+
+* **tutorial:** use correct customStyles API for dark mode frame styling ([fdc882c](https://github.com/antialias/soroban-abacus-flashcards/commit/fdc882cb046e3d8835fbca59841e9af5329bcc52))
+
+## [4.18.0](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.17.2...v4.18.0) (2025-10-19)
+
+
+### Features
+
+* **tutorial:** add dark mode styling for coaching bar and abacus frame ([7e2f580](https://github.com/antialias/soroban-abacus-flashcards/commit/7e2f580877af9d21409f427778fa3569c950fcf5))
+
 ## [4.17.2](https://github.com/antialias/soroban-abacus-flashcards/compare/v4.17.1...v4.17.2) (2025-10-19)
 
 

apps/web/src/app/page.tsx

@@ -224,6 +224,7 @@ export default function HomePage() {
                 isDebugMode={false}
                 showDebugPanel={false}
                 hideNavigation={true}
+                hideTooltip={true}
                 abacusColumns={2}
                 theme="dark"
               />

apps/web/src/components/tutorial/TutorialPlayer.tsx

@@ -216,6 +216,7 @@ interface TutorialPlayerProps {
   isDebugMode?: boolean
   showDebugPanel?: boolean
   hideNavigation?: boolean
+  hideTooltip?: boolean
   abacusColumns?: number
   theme?: 'light' | 'dark'
   onStepChange?: (stepIndex: number, step: TutorialStep) => void
@@ -231,6 +232,7 @@ function TutorialPlayerContent({
   isDebugMode = false,
   showDebugPanel = false,
   hideNavigation = false,
+  hideTooltip = false,
   abacusColumns = 5,
   theme = 'light',
   onStepChange,
@@ -1094,8 +1096,32 @@ function TutorialPlayerContent({
       Object.assign(mergedHighlights[columnIndex], dynamicColumnHighlights[columnIndex])
     })
 
-    return Object.keys(mergedHighlights).length > 0 ? { columns: mergedHighlights } : undefined
-  }, [currentStep.highlightBeads, dynamicColumnHighlights, abacusColumns])
+    // Build the custom styles object
+    const styles: any = {}
+
+    // Add column highlights if any
+    if (Object.keys(mergedHighlights).length > 0) {
+      styles.columns = mergedHighlights
+    }
+
+    // Add frame styling for dark mode
+    if (theme === 'dark') {
+      // Column dividers (global for all columns)
+      styles.columnPosts = {
+        fill: 'rgba(255, 255, 255, 0.3)', // High contrast fill for visibility
+        stroke: 'rgba(255, 255, 255, 0.2)',
+        strokeWidth: 2,
+      }
+      // Reckoning bar (horizontal middle bar)
+      styles.reckoningBar = {
+        fill: 'rgba(255, 255, 255, 0.4)', // High contrast fill for visibility
+        stroke: 'rgba(255, 255, 255, 0.25)',
+        strokeWidth: 3,
+      }
+    }
+
+    return Object.keys(styles).length > 0 ? styles : undefined
+  }, [currentStep.highlightBeads, dynamicColumnHighlights, abacusColumns, theme])
 
   if (!currentStep) {
     return <div>No steps available</div>
@@ -1115,9 +1141,9 @@ function TutorialPlayerContent({
         <div
           className={css({
             borderBottom: '1px solid',
-            borderColor: 'gray.200',
+            borderColor: theme === 'dark' ? 'rgba(255, 255, 255, 0.1)' : 'gray.200',
             p: 4,
-            bg: 'white',
+            bg: theme === 'dark' ? 'rgba(30, 30, 40, 0.6)' : 'white',
           })}
         >
           <div
@@ -1386,7 +1412,8 @@ function TutorialPlayerContent({
               </div>
 
               {/* Multi-step instructions panel */}
-              {currentStep.multiStepInstructions &&
+              {!hideTooltip &&
+                currentStep.multiStepInstructions &&
                 currentStep.multiStepInstructions.length > 0 && (
                   <div
                     className={css({
@@ -1522,7 +1549,10 @@ function TutorialPlayerContent({
                               className={css({
                                 mb: 1,
                                 fontWeight: 'bold',
-                                color: 'yellow.900',
+                                color: theme === 'dark' ? 'yellow.200' : 'yellow.900',
+                                textShadow:
+                                  theme === 'dark' ? '0 0 12px rgba(251, 191, 36, 0.4)' : 'none',
+                                fontSize: theme === 'dark' ? 'lg' : 'base',
                               })}
                             >
                               {currentInstruction}
@@ -1640,7 +1670,7 @@ function TutorialPlayerContent({
               </div>
 
               {/* Tooltip */}
-              {currentStep.tooltip && (
+              {!hideTooltip && currentStep.tooltip && (
                 <div
                   className={css({
                     maxW: '500px',

package.json

@@ -1,6 +1,6 @@
 {
   "name": "soroban-monorepo",
-  "version": "4.17.2",
+  "version": "4.20.0",
   "private": true,
   "description": "Beautiful Soroban Flashcard Generator - Monorepo",
   "workspaces": [

packages/abacus-react/src/AbacusReact.tsx

@@ -27,6 +27,7 @@ export interface BeadStyle {
 }
 
 export interface ColumnPostStyle {
+  fill?: string;
   stroke?: string;
   strokeWidth?: number;
   opacity?: number;
@@ -34,6 +35,7 @@ export interface ColumnPostStyle {
 }
 
 export interface ReckoningBarStyle {
+  fill?: string;
   stroke?: string;
   strokeWidth?: number;
   opacity?: number;
@@ -1979,7 +1981,10 @@ export const AbacusReact: React.FC<AbacusConfig> = ({
           const columnStyles = customStyles?.columns?.[colIndex];
           const globalColumnPosts = customStyles?.columnPosts;
           const rodStyle = {
-            fill: "rgb(0, 0, 0, 0.1)", // Default Typst color
+            fill:
+              columnStyles?.columnPost?.fill ||
+              globalColumnPosts?.fill ||
+              "rgb(0, 0, 0, 0.1)", // Default Typst color
             stroke:
               columnStyles?.columnPost?.stroke ||
               globalColumnPosts?.stroke ||
@@ -2017,8 +2022,10 @@ export const AbacusReact: React.FC<AbacusConfig> = ({
             (effectiveColumns - 1) * dimensions.rodSpacing + dimensions.beadSize
           }
           height={dimensions.barThickness}
-          fill="black" // Typst uses black
-          stroke="none"
+          fill={customStyles?.reckoningBar?.fill || "black"} // Typst default is black
+          stroke={customStyles?.reckoningBar?.stroke || "none"}
+          strokeWidth={customStyles?.reckoningBar?.strokeWidth ?? 0}
+          opacity={customStyles?.reckoningBar?.opacity ?? 1}
         />
 
         {/* Beads */}