:root{--brand-primary:#e8357d;--brand-primary-dark:#c42d68;--brand-primary-light:#f06a9e;--brand-accent-soft:#ffe4ee;--brand-accent-muted:#fce7f0;--brand-ink:#1a1625;--bg:#faf6f8;--bg-soft:#f2f2f2;--bg-blush:#eebacd;--bg-pattern:#f5eef2;--surface:#fff;--surface-elevated:#fffafb;--board:#d4b8c4;--cell:#e8dce2;--text-dark:#5c5260;--text-light:#fff;--text-muted:#9a8f98;--shadow:#1a16251a;--shadow-brand:#e8357d38;--tile-2:#fff;--tile-4:#eebacd;--tile-8:#f5b3cc;--tile-16:#ef7aab;--tile-32:#e8357d;--tile-64:#d42f72;--tile-128:#c02866;--tile-256:#a82258;--tile-512:#901c4c;--tile-1024:#781640;--tile-2048:#e8357d;--tile-super:#1a1625;--font:"Rubik", system-ui, sans-serif;--radius:12px;--radius-lg:16px;--radius-sm:10px;--gap:12px;--board-size:min(92vw, 460px);--transition:.18s cubic-bezier(.4, 0, .2, 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