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🎨 Palette: Add keyboard instructions and dynamic score accessibility #172

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🎨 Palette: Add keyboard instructions and dynamic score accessibility #172

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4 changes: 4 additions & 0 deletions .Jules/palette.md
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## 2025-03-23 - Game Key Scrolling
**Learning:** Browsers natively scroll the page when users press Space or Arrow keys. When building a web-based game, this creates a frustrating UX where the game viewport jumps around while playing.
**Action:** Always call `e.preventDefault()` on keydown events for typical game controls ("Space", "ArrowUp", etc.) when the focus is on a game container or the body.

## 2025-05-24 - Interactive Web Widget Accessibility
**Learning:** For interactive web elements like browser-based games or custom widgets, visual affordances for keyboard controls are essential since they lack native semantics. Dynamic text like scoreboards also need `aria-live` to inform screen reader users of continuous updates.
**Action:** Always provide explicit, visible instructional text for custom keyboard bindings and append `aria-live="polite"` and `aria-atomic="true"` to dynamic score/status elements to maintain full accessibility.
1 change: 0 additions & 1 deletion requirements.txt
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numpy
pandas
requests
venv
15 changes: 14 additions & 1 deletion src/views/mario-game.njk
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font-size: 20px;
font-family: Arial;
}

#instructions {
position: absolute;
top: 10px;
right: 10px;
color: white;
font-size: 16px;
font-family: Arial;
background: rgba(0, 0, 0, 0.5);
padding: 5px 10px;
border-radius: 5px;
}
</style>
</head>

<body>

<div id="game">
<div id="score">Score: 0</div>
<div id="score" aria-live="polite" aria-atomic="true">Score: 0</div>
<div id="instructions">Press Space or &uarr; to Jump</div>
<div id="mario"></div>
<div class="ground"></div>
</div>
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