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var(--ink)}button:hover{background:#035e96}button:disabled{cursor:progress;opacity:.6}button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:3px solid var(--ink);outline-offset:4px}.replay-controls{display:flex;flex-wrap:wrap;align-items:end;gap:1rem}.replay-controls select{max-width:100%}canvas{width:100%;aspect-ratio:10 / 3;background:var(--cream);border:3px solid var(--ink);border-radius:16px;display:block;image-rendering:pixelated;margin-top:1rem;box-shadow:0 6px 0 var(--ink)}input[type=range]{display:block;width:100%;accent-color:var(--codex);margin:1.2rem 0}.proof-result{font-family:Courier New,monospace;color:var(--ink)}.proof-result[data-state=match]{color:#035e96}.comparison-view{margin:1.5rem 0 2rem}.comparison-panes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.comparison-panes figure{min-width:0;margin:0}.comparison-panes figcaption{display:inline-block;border:2px solid 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