Create polished app layout and styling
This commit is contained in:
163
index.html
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163
index.html
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<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1" />
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<title>Conway's Game of Life</title>
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<meta
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name="description"
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content="A polished, static, vanilla JavaScript implementation of Conway's Game of Life."
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/>
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<link rel="stylesheet" href="./style.css" />
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</head>
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<body>
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<header class="app-header">
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<div>
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<h1>Conway’s Game of Life</h1>
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<p class="subtitle">Vanilla JS • Canvas • Static-site ready</p>
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</div>
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<button id="theme-toggle" class="ghost" type="button" aria-label="Toggle dark mode">
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🌙 Dark mode
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</button>
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</header>
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<main class="app-layout">
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<section class="panel controls-panel" aria-labelledby="controls-heading">
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<h2 id="controls-heading">Controls</h2>
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<div class="row wrap">
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<button id="play-pause-btn" type="button" aria-keyshortcuts="Space">▶ Play</button>
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<button id="step-btn" type="button" aria-keyshortcuts="S">Step</button>
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<button id="clear-btn" type="button" aria-keyshortcuts="C">Clear</button>
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<button id="randomize-btn" type="button" aria-keyshortcuts="R">Randomize</button>
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</div>
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<div class="field">
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<label for="speed-range">Speed: <span id="speed-value">10</span> gen/s</label>
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<input id="speed-range" type="range" min="1" max="30" step="1" value="10" />
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</div>
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<div class="field">
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<label for="cell-size-range">Cell size: <span id="cell-size-value">12</span> px</label>
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<input id="cell-size-range" type="range" min="6" max="24" step="1" value="12" />
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</div>
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<div class="row wrap toggles">
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<label class="toggle">
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<input id="wrap-toggle" type="checkbox" />
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<span>Toroidal wrapping</span>
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</label>
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<label class="toggle">
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<input id="gridline-toggle" type="checkbox" checked />
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<span>Show gridlines</span>
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</label>
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</div>
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</section>
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<section class="panel canvas-panel" aria-labelledby="board-heading">
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<div class="canvas-header">
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<h2 id="board-heading">Board</h2>
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<p id="tool-status" class="muted">Draw mode: click and drag to paint cells.</p>
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</div>
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<div id="canvas-container" class="canvas-container">
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<canvas id="life-canvas" aria-label="Game of Life board" role="img"></canvas>
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</div>
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</section>
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<aside class="panel side-panel">
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<section aria-labelledby="status-heading">
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<h2 id="status-heading">Status</h2>
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<dl class="status-grid">
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<div>
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<dt>Generation</dt>
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<dd id="generation-count">0</dd>
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</div>
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<div>
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<dt>Live Cells</dt>
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<dd id="live-count">0</dd>
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</div>
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<div>
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<dt>Board Size</dt>
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<dd id="board-size">0 × 0</dd>
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</div>
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<div>
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<dt>Boundary</dt>
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<dd id="boundary-mode">Fixed</dd>
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</div>
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</dl>
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</section>
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<section aria-labelledby="patterns-heading">
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<h2 id="patterns-heading">Patterns</h2>
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<div class="field">
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<label for="pattern-select">Preset pattern</label>
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<select id="pattern-select"></select>
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</div>
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<div class="row wrap">
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<button id="stamp-btn" type="button">Stamp Selected</button>
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<button id="cancel-stamp-btn" class="ghost" type="button">Cancel Stamp</button>
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</div>
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<p class="muted">
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Choose a pattern, click <strong>Stamp Selected</strong>, then click the board to place
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it.
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</p>
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</section>
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<section aria-labelledby="io-heading">
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<h2 id="io-heading">Import / Export</h2>
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<div class="field">
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<label for="io-format">Format</label>
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<select id="io-format">
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<option value="json">JSON</option>
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<option value="compact">Compact text</option>
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</select>
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</div>
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<textarea
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id="state-text"
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rows="7"
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placeholder="Exported board state appears here..."
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aria-label="Board state text"
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></textarea>
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<div class="row wrap">
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<button id="export-btn" type="button">Export</button>
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<button id="import-btn" type="button">Import</button>
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</div>
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</section>
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<section aria-labelledby="help-heading">
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<h2 id="help-heading">Help</h2>
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<details id="help-panel">
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<summary>Controls and shortcuts</summary>
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<p><strong>Mouse:</strong> Click and drag on the board to draw or erase cells.</p>
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<p><strong>Pattern:</strong> Select a preset and stamp it on the board.</p>
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<p>
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<strong>Shortcuts:</strong> Space (Play/Pause), S (Step), C (Clear), R (Randomize), G
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(Grid), W (Wrap), + / - (Zoom), ? (Toggle help).
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</p>
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</details>
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<details>
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<summary>Rules</summary>
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<ol>
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<li>Any live cell with 2 or 3 live neighbors survives.</li>
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<li>Any dead cell with exactly 3 live neighbors becomes alive.</li>
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<li>All other live cells die; all other dead cells stay dead.</li>
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</ol>
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</details>
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</section>
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<section aria-labelledby="about-heading">
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<h2 id="about-heading">About</h2>
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<p>
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Conway’s Game of Life is a cellular automaton devised by John Horton Conway. Complex,
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emergent behavior appears from simple local rules.
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</p>
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</section>
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</aside>
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</main>
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<footer class="app-footer">
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<small>Built with HTML5 Canvas, vanilla JavaScript, and CSS.</small>
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</footer>
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<script type="module" src="./js/app.js"></script>
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</body>
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</html>
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296
style.css
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296
style.css
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:root {
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--bg: #f2f4f8;
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--panel: #ffffff;
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--panel-muted: #f8fafc;
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--text: #10203a;
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--muted: #5d6b82;
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--primary: #0f62fe;
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--primary-hover: #054ada;
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--border: #d7deea;
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--canvas-bg: #ffffff;
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--cell: #2c73ff;
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--cell-glow: rgba(44, 115, 255, 0.3);
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--danger: #d92d20;
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--focus: #7aa3ff;
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--shadow: 0 10px 30px rgba(16, 32, 58, 0.08);
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}
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[data-theme="dark"] {
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--bg: #0d1420;
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--panel: #111c2d;
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--panel-muted: #182538;
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--text: #e6eefc;
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--muted: #a8b6ce;
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--primary: #6aa8ff;
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--primary-hover: #82b7ff;
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--border: #24354f;
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--canvas-bg: #0b1220;
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--cell: #7fb0ff;
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--cell-glow: rgba(127, 176, 255, 0.35);
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--danger: #ff6b6b;
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--focus: #9fc0ff;
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--shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
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}
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*,
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*::before,
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*::after {
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box-sizing: border-box;
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}
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body {
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margin: 0;
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background: radial-gradient(circle at 20% 0%, #dbe8ff33 0%, transparent 35%), var(--bg);
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color: var(--text);
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font-family:
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Inter,
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system-ui,
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-apple-system,
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"Segoe UI",
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Roboto,
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"Helvetica Neue",
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Arial,
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sans-serif;
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line-height: 1.5;
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}
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.app-header,
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.app-footer {
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width: min(1280px, 94vw);
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margin-inline: auto;
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}
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.app-header {
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padding: 1.2rem 0 0.6rem;
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display: flex;
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align-items: center;
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justify-content: space-between;
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gap: 1rem;
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}
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.app-header h1 {
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margin: 0;
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font-size: clamp(1.5rem, 2.2vw, 2rem);
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letter-spacing: -0.02em;
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}
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.subtitle {
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margin: 0.25rem 0 0;
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color: var(--muted);
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font-size: 0.95rem;
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}
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.app-layout {
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width: min(1280px, 94vw);
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margin: 0 auto;
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display: grid;
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grid-template-columns: 280px 1fr 320px;
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gap: 1rem;
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align-items: start;
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}
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.panel {
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background: var(--panel);
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border: 1px solid var(--border);
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border-radius: 14px;
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box-shadow: var(--shadow);
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padding: 1rem;
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}
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.panel h2 {
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margin: 0 0 0.75rem;
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font-size: 1rem;
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letter-spacing: 0.01em;
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}
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.canvas-panel {
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min-width: 0;
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}
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.canvas-header {
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display: flex;
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align-items: baseline;
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justify-content: space-between;
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gap: 0.75rem;
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}
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.canvas-container {
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background: var(--canvas-bg);
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border: 1px solid var(--border);
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border-radius: 12px;
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overflow: hidden;
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margin-top: 0.75rem;
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}
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#life-canvas {
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display: block;
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width: 100%;
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height: auto;
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touch-action: none;
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image-rendering: pixelated;
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image-rendering: crisp-edges;
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}
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.row {
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display: flex;
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gap: 0.5rem;
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}
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.row.wrap {
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flex-wrap: wrap;
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}
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.field {
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margin-top: 0.85rem;
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}
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.field label {
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display: block;
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margin-bottom: 0.35rem;
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font-size: 0.92rem;
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color: var(--muted);
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}
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input[type="range"],
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select,
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textarea {
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width: 100%;
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}
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button,
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select,
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textarea,
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input {
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font: inherit;
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}
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button {
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border: 1px solid transparent;
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background: var(--primary);
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color: #fff;
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border-radius: 10px;
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padding: 0.45rem 0.75rem;
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cursor: pointer;
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transition: 140ms ease;
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}
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button:hover {
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background: var(--primary-hover);
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}
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button.ghost {
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background: transparent;
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color: var(--text);
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border-color: var(--border);
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}
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button.ghost:hover {
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background: var(--panel-muted);
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}
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textarea,
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select,
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input[type="range"] {
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border: 1px solid var(--border);
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border-radius: 10px;
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background: var(--panel-muted);
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color: var(--text);
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}
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textarea {
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padding: 0.6rem;
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resize: vertical;
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min-height: 7rem;
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}
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.toggle {
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display: inline-flex;
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align-items: center;
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gap: 0.45rem;
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color: var(--text);
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font-size: 0.92rem;
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}
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.toggles {
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margin-top: 0.75rem;
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}
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.status-grid {
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display: grid;
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grid-template-columns: repeat(2, minmax(0, 1fr));
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gap: 0.65rem;
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margin: 0;
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}
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.status-grid div {
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background: var(--panel-muted);
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border: 1px solid var(--border);
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border-radius: 10px;
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padding: 0.55rem 0.65rem;
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}
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.status-grid dt {
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margin: 0;
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color: var(--muted);
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font-size: 0.8rem;
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}
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.status-grid dd {
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margin: 0.15rem 0 0;
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font-weight: 600;
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}
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.muted {
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margin: 0.6rem 0 0;
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color: var(--muted);
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font-size: 0.87rem;
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}
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details {
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background: var(--panel-muted);
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border: 1px solid var(--border);
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border-radius: 10px;
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padding: 0.55rem 0.7rem;
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margin-bottom: 0.6rem;
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}
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summary {
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cursor: pointer;
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font-weight: 600;
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}
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ol {
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padding-left: 1.2rem;
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}
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.app-footer {
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padding: 1rem 0 1.5rem;
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color: var(--muted);
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}
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button:focus-visible,
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select:focus-visible,
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textarea:focus-visible,
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input:focus-visible,
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summary:focus-visible {
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outline: 2px solid var(--focus);
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outline-offset: 2px;
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}
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@media (max-width: 1120px) {
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.app-layout {
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grid-template-columns: 1fr;
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}
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.controls-panel {
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order: 1;
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}
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.canvas-panel {
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order: 2;
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}
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.side-panel {
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order: 3;
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}
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}
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Reference in New Issue
Block a user