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.deepfreezer-card-subtitle{margin:0;margin-right:.5rem}.chess-board{display:grid;grid-template-columns:repeat(8,48px);grid-template-rows:repeat(8,48px);gap:0;border:3px solid var(--border-subtle);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);margin:0 auto;width:fit-content}.chess-square{width:48px;height:48px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s}.chess-square.light{background:#eed8b6;color:#3b200b}.chess-square.dark{background:#b58863;color:#fff}.chess-square.selected{background:#3b82f680!important}.chess-square.valid-move{position:relative}.chess-square.valid-move:after{content:"";position:absolute;width:12px;height:12px;background:#22c55ebf;border-radius:50%;box-shadow:0 0 6px #22c55e80}.chess-square.valid-move.occupied:after{width:40px;height:40px;border:3.5px solid rgba(239,68,68,.85);background:transparent;border-radius:50%;box-shadow:0 0 8px #ef444480}.quiz-container{display:flex;flex-direction:column;align-items:center;gap:1.25rem;max-width:500px;margin:0 auto}.quiz-options{display:flex;flex-direction:column;gap:.65rem;width:100%}.quiz-option-btn{width:100%;padding:.8rem;border:1px solid var(--border-subtle);background:var(--bg-card);color:var(--text-primary);border-radius:var(--radius-lg);font-weight:600;cursor:pointer;transition:all 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var(--accent-blue);outline-offset:2px}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}