:root{--bg:#f6f7fb;--card:#fff;--text:#20242b;--muted:#6b7280;--line:#e6e8ee;--accent:#6d5dfc;--accent2:#8c7fff;--danger:#d64b4b;--ok:#2d9b67;--shadow:0 12px 30px rgba(31,35,48,.08)}
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1fr;gap:12px}.modal-bg{position:fixed;inset:0;background:rgba(15,18,28,.48);display:grid;place-items:center;padding:18px;z-index:50}.modal{background:#fff;width:min(720px,100%);max-height:90vh;overflow:auto;border-radius:20px;padding:22px;box-shadow:0 30px 70px rgba(0,0,0,.2)}.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.modal h2{margin:0}.close{border:0;background:#f1f2f7;width:34px;height:34px;border-radius:50%;cursor:pointer}.empty{padding:26px;text-align:center;color:var(--muted);border:1px dashed #cfd3dd;border-radius:14px}.game-stage{max-width:880px;margin:auto}.game-header{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.memory-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.memory-card{aspect-ratio:1/1;border:0;border-radius:16px;background:#5f50e8;color:#fff;font-size:22px;font-weight:800;cursor:pointer;display:grid;place-items:center;padding:8px}.memory-card.open,.memory-card.matched{background:#fff;color:#222;border:2px solid #dcd9ff}.memory-card.matched{border-color:#92d6b5;background:#f0fff7}.letters,.answer-zone{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:18px 0}.letter{min-width:48px;height:48px;border:1px solid var(--line);background:#fff;border-radius:12px;font-size:20px;font-weight:800;cursor:pointer}.answer-zone 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