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🎨 Palette: [UX improvement] Add instructions and accessibility to Mario Game #235

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🎨 Palette: [UX improvement] Add instructions and accessibility to Mario Game #235

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7 changes: 7 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.
## 2024-07-16 - Game Keyboard Instructions
**Learning:** When building interactive HTML5 widgets or games with custom keyboard event bindings, always provide explicit, visible instructional text so users know the required inputs.
**Action:** Add instructional text explicitly beneath score elements or similar static headers instead of burying them in off-screen areas.

## 2024-07-16 - Accessible Dynamic Scores
**Learning:** Dynamic text changes, such as scores updating in a game, are invisible to screen readers without specific ARIA tags.
**Action:** Add `aria-live="polite"` and `aria-atomic="true"` to score elements to maintain screen reader accessibility during dynamic updates.
13 changes: 12 additions & 1 deletion src/views/mario-game.njk
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font-size: 20px;
font-family: Arial;
}

#instructions {
pointer-events: none;
position: absolute;
top: 40px;
left: 10px;
color: white;
font-size: 16px;
font-family: Arial;
}
</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 Up Arrow to jump</div>
<div id="mario"></div>
<div class="ground"></div>
</div>
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