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#0003}.chessboard-container.interactive{cursor:default}.chessboard-container.disabled{pointer-events:none;opacity:.7}.chessboard-container.loading:after{content:"";position:absolute;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;border-radius:inherit}@media(max-width:768px){.chessboard-container{max-width:100%;padding:4px;border-radius:var(--radius-md, 12px)}.cm-chessboard .piece{touch-action:none}}.puzzle-feedback{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;pointer-events:none;z-index:10}.puzzle-feedback.correct .feedback-icon{color:#22c55e;animation:scale-in .3s ease-out}.puzzle-feedback.incorrect .feedback-icon{color:#ef4444;animation:shake .3s ease-out}.puzzle-feedback .feedback-icon{font-size:64px;filter:drop-shadow(0 4px 8px rgba(0,0,0,.3))}@keyframes scale-in{0%{transform:scale(0);opacity:0}50%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}:root{--bg-primary: #0a0a0f;--bg-secondary: 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