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8px;border-radius:var(--kid-radius-full);background:var(--kid-secondary);color:var(--kid-white)}font-weight: normal; } .library-badge.custom{background:var(--kid-accent)}.library-badge--system{background:var(--kid-info-dark)}.library-meta{font-size:var(--kid-text-sm);color:var(--wc-ink-muted)}.library-check{font-size:24px;color:var(--kid-secondary);font-weight:700}.library-select-actions{display:flex;gap:12px;justify-content:flex-end;flex-shrink:0;padding-top:16px;margin-top:16px;border-top:1px solid var(--kid-gray-200);background:var(--kid-white)}.btn-cancel,.btn-confirm{padding:12px 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input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--kid-interactive)}.sound-settings-item:hover{color:var(--kid-interactive)}.level-select-settings-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:2000;animation:level-select-settings-fadeIn .2s var(--kid-transition-fast)}@keyframes level-select-settings-fadeIn{0%{opacity:0}to{opacity:1}}.level-select-settings-panel{background:var(--kid-white);border-radius:var(--kid-radius-md);box-shadow:var(--kid-shadow-lg);max-width:420px;width:90%;max-height:90vh;overflow:hidden;display:flex;flex-direction:column;animation:level-select-settings-slideUp .25s var(--kid-transition-fast)}@keyframes level-select-settings-slideUp{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}.level-select-settings-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--kid-gray-200)}.level-select-settings-header h3{margin:0;font-size:var(--kid-text-lg);font-weight:600;color:var(--wc-ink)}.level-select-settings-close{width:32px;height:32px;padding:0;border:none;background:transparent;font-size:24px;line-height:1;color:var(--wc-ink-muted);cursor:pointer;border-radius:var(--kid-radius-sm);display:flex;align-items:center;justify-content:center}.level-select-settings-close:hover{background:var(--kid-gray-100);color:var(--wc-ink)}.level-select-settings-body{padding:16px 20px;overflow-y:auto;flex:1}.level-select-settings-section{margin-bottom:20px}.level-select-settings-section:last-of-type{margin-bottom:0}.level-select-settings-section--disabled{pointer-events:none;opacity:.9}.level-select-settings-section h4{margin:0 0 10px;font-size:var(--kid-text-sm);font-weight:600;color:var(--wc-ink-muted)}.level-select-settings-options{display:flex;flex-wrap:wrap;gap:8px}.level-select-settings-fusion-toggle{display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;margin:0;border:2px solid var(--kid-gray-300);border-radius:var(--kid-radius-sm);background:var(--kid-gray-100);cursor:pointer;transition:var(--kid-transition-fast)}.level-select-settings-fusion-toggle:hover{background:var(--kid-gray-200);border-color:var(--kid-gray-400)}.level-select-settings-fusion-toggle input{width:18px;height:18px;margin:0;accent-color:var(--kid-interactive);flex-shrink:0;cursor:pointer}.level-select-settings-fusion-toggle input:checked+span{color:var(--wc-ink);font-weight:600}.level-select-settings-fusion-toggle span{font-size:var(--kid-text-sm);color:var(--wc-ink-muted);line-height:1.4;text-align:left}.level-select-settings-fusion-toggle:has(input:checked){border-color:var(--kid-interactive);background:var(--kid-interactive-soft)}.level-select-settings-fusion-toggle:has(input:checked):hover{background:var(--kid-interactive-soft)}.level-select-settings-btn{padding:8px 14px;border-radius:var(--kid-radius-sm);border:2px solid var(--kid-gray-300);background:var(--kid-gray-100);color:var(--wc-ink);font-size:var(--kid-text-sm);font-weight:600;cursor:pointer;transition:var(--kid-transition-fast)}.level-select-settings-btn:hover{background:var(--kid-gray-200);border-color:var(--kid-gray-400)}.level-select-settings-btn.active{background:var(--kid-interactive);color:var(--kid-white);border-color:var(--kid-interactive)}.level-select-settings-btn.active:disabled{cursor:default;opacity:1}.level-select-settings-library{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.level-select-settings-library-name{font-size:var(--kid-text-sm);color:var(--wc-ink);max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.level-select-settings-sound{margin-top:4px}.level-select-settings-sound .sound-settings-item,.level-select-settings-sound .sound-settings-item:hover{color:var(--wc-ink)}.level-select-settings-footer{padding:12px 20px;border-top:1px solid var(--kid-gray-200);display:flex;justify-content:flex-end}.level-select-settings-done{padding:10px 24px;border:none;border-radius:var(--kid-radius-sm);background:var(--kid-interactive);color:var(--kid-white);font-size:var(--kid-text-md);font-weight:600;cursor:pointer;transition:var(--kid-transition-fast)}.level-select-settings-done:hover{background:var(--kid-interactive-hover);transform:translateY(-2px)}@media (max-width: 767px){.level-select-settings-panel{width:95%;max-height:85vh}.level-select-settings-body{padding:12px 16px}.level-select-settings-options{gap:6px}.level-select-settings-btn{padding:6px 12px;font-size:var(--kid-text-sm)}}.confirm-dialog-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:3000;animation:fadeIn .2s ease-out;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}@keyframes 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.confirm-dialog-header{background:var(--kid-info)}.confirm-dialog.info .confirm-dialog-header h3{color:var(--kid-info-dark)}.confirm-dialog-body{padding:var(--kid-space-xl)}.confirm-dialog-body p{margin:0;font-size:var(--kid-text-md);line-height:1.6;color:var(--kid-gray-600)}.confirm-dialog-actions{display:flex;gap:var(--kid-space-md);padding:var(--kid-space-md) var(--kid-space-xl);border-top:2px solid var(--kid-gray-200);justify-content:flex-end}.confirm-dialog-actions .btn{padding:var(--kid-space-sm) var(--kid-space-lg);border:3px solid var(--kid-gray-200);border-radius:var(--kid-radius-md);font-size:var(--kid-text-md);font-weight:700;cursor:pointer;transition:all var(--kid-transition-normal);min-width:80px}.confirm-dialog-actions .btn-cancel{background:var(--kid-white);color:var(--kid-gray-600)}.confirm-dialog-actions .btn-cancel:hover{background:var(--kid-gray-100);border-color:var(--kid-gray-300)}.confirm-dialog-actions .btn-confirm{color:var(--kid-white);border:none}.confirm-dialog-actions .btn-warning{background:var(--kid-warning-dark)}.confirm-dialog-actions .btn-warning:hover{background:var(--kid-warning);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.confirm-dialog-actions .btn-danger{background:var(--kid-error-dark)}.confirm-dialog-actions .btn-danger:hover{background:var(--kid-error);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.confirm-dialog-actions .btn-info{background:var(--kid-info-dark)}.confirm-dialog-actions .btn-info:hover{background:var(--kid-info);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.game-layout{width:100%;max-width:1200px;margin:0 auto;padding:12px 16px;display:flex;flex-direction:column;gap:16px}.game-layout-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px;width:100%}.game-layout-intro{margin:0;padding:10px 14px;font-size:var(--kid-text-sm);color:var(--wc-ink-muted);background:var(--kid-gray-100);border-radius:var(--kid-radius-sm);border-left:4px solid var(--kid-interactive);line-height:1.5}.game-layout-header-left{display:flex;align-items:center;gap:16px;font-size:var(--kid-text-md);font-weight:600;color:var(--wc-ink);padding:8px 14px;background:var(--kid-primary-light);border-radius:var(--kid-radius-sm)}.game-layout-timer{font-variant-numeric:tabular-nums;min-width:3em}.game-layout-score{min-width:4em}.game-layout-header-right{display:flex;align-items:center;margin-left:auto}.game-layout-body{display:flex;flex-direction:row;flex-wrap:wrap;gap:20px;align-items:flex-start;flex:1}.game-layout-body--operations-only .game-layout-operations{flex:1 1 100%}.game-layout-side{flex:0 1 280px;min-width:200px}.game-layout-operations{min-width:0;display:flex;flex-direction:column;align-items:flex-end;gap:12px}.game-layout-actions{display:flex;justify-content:flex-end;align-items:center;gap:10px;flex-wrap:wrap}@media (max-width: 767px){.game-layout-body{flex-direction:column;align-items:stretch}.game-layout-side{order:1;flex:1 1 auto}.game-layout-operations{order:2}}.game-board{max-width:100%;background:#fffffff2;border-radius:24px;padding:24px;box-shadow:0 8px 30px #00000026;border:4px solid var(--kid-primary-light, #FFE0E0)}.game-leave-btn{padding:12px 20px;border:3px solid transparent;border-radius:16px;background:linear-gradient(135deg,var(--wc-coral) 0%,#fb923c 100%);color:#fff;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 15px #ff6b6b66}.game-leave-btn:hover{transform:translateY(-3px) scale(1.05);box-shadow:0 8px 25px #ff6b6b80}.game-info{display:flex;align-items:center;gap:16px;font-size:20px;font-weight:700;color:#2d3436;background:linear-gradient(135deg,#fff,#fff5f5);padding:12px 20px;border-radius:16px;box-shadow:0 4px 15px #00000014}.game-info-timer{font-variant-numeric:tabular-nums;min-width:2.8em}.game-info-limit{color:#666;font-weight:500}.game-grid{display:grid;gap:8px;aspect-ratio:1;width:100%;max-width:600px;margin:0 auto;position:relative}.game-card{background:#fff;border:3px solid #e0e0e0;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;min-width:60px;min-height:60px;-webkit-user-select:none;user-select:none}.game-card:hover{border-color:var(--kid-interactive);transform:scale(1.05)}.game-card.selected{border:4px solid #4a5568;background:#fff;box-shadow:0 0 0 2px #fff,0 6px 20px #00000040}.game-card.matched{opacity:1;pointer-events:none;border:3px solid #276749;background:linear-gradient(180deg,#c6f6d5,#9ae6b4);box-shadow:inset 0 0 0 1px #2767494d,0 4px 12px #27674959}.game-card.wrong{animation:shake .5s;border:4px solid #c53030;background:linear-gradient(180deg,#fed7d7,#feb2b2);box-shadow:0 4px 16px #c5303066}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-5px)}75%{transform:translate(5px)}}.card-content{text-align:center;padding:8px}.word-card .word-text{font-size:18px;font-weight:600;color:#333;margin-bottom:4px}.word-card .phonetic{font-size:14px;color:#666}.meaning-card .meaning-text{font-size:20px;font-weight:600;color:#333}.icon-card{display:flex;align-items:center;justify-content:center}.icon-card .icon-emoji{font-size:2.5rem;line-height:1}.icon-card .icon-placeholder{font-size:1.5rem;color:#999}.connection-line{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:10}@media (max-width: 640px){.game-grid{gap:4px;max-width:100%}.game-card{min-width:44px;min-height:44px;border-radius:8px;border-width:2px}.card-content{padding:4px}.word-card .word-text{font-size:12px;margin-bottom:2px}.word-card .phonetic{font-size:10px}.meaning-card .meaning-text{font-size:14px}.icon-card .icon-emoji{font-size:1.5rem}.icon-card .icon-placeholder{font-size:1rem}.game-info{font-size:14px;gap:8px}.game-leave-btn{padding:6px 12px;font-size:12px}}@media (min-width: 641px) and (max-width: 1024px){.game-grid{gap:6px;max-width:500px}.game-card{min-width:52px;min-height:52px}.word-card .word-text{font-size:14px}.meaning-card .meaning-text{font-size:16px}.icon-card .icon-emoji{font-size:2rem}}@media (min-width: 1025px){.game-grid{max-width:600px}}.game-preview-answer-list{margin-top:12px;padding:12px;background:#f5f7fa;border-radius:8px;width:100%;max-width:600px;margin-left:auto;margin-right:auto}.game-preview-answer-title{margin:0 0 8px;font-size:1rem;color:#333}.game-preview-answer-items{margin:0;padding-left:1.2em;list-style:decimal}.game-preview-answer-items li{margin:4px 0;display:flex;gap:12px;align-items:baseline}.game-preview-answer-word{font-weight:600;min-width:6em}.game-preview-answer-meaning{color:#555}.circle-word-board{display:flex;flex-direction:column;flex-wrap:wrap;gap:var(--gap-cards-wide, 20px);justify-content:center;align-items:flex-start;width:100%;max-width:100%;padding:var(--kid-space-sm)}@media (max-width: 767px){.circle-word-board{flex-direction:column;align-items:stretch;gap:var(--gap-cards, 16px)}}.circle-word-main{display:flex;flex-direction:column;align-items:center;gap:var(--kid-space-md);flex:0 0 auto}.circle-word-header{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:min(90vmin,400px)}.circle-word-timer{font-size:var(--kid-text-md);font-weight:700;color:var(--kid-gray-700);background:var(--kid-gradient-pink);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.circle-word-grid-wrap{overflow:auto;max-width:min(95vmin,480px);max-height:min(95vmin,480px);border-radius:var(--kid-radius-md);box-shadow:var(--kid-shadow-md);background:var(--kid-white);border:3px solid var(--kid-gray-200)}.circle-word-grid{display:grid;gap:2px;background:var(--kid-gray-200);padding:var(--kid-space-xs);min-width:360px;min-height:360px}.circle-word-cell{min-width:14px;min-height:14px;aspect-ratio:1;border:none;background:var(--kid-white);font-size:clamp(12px,2.8vmin,18px);font-weight:700;color:var(--kid-gray-700);cursor:pointer;padding:var(--kid-space-xs);display:flex;align-items:center;justify-content:center;transition:all var(--kid-transition-fast);border-radius:var(--kid-space-xs)}.circle-word-cell:hover{background:var(--kid-secondary)}.circle-word-cell.selected{background:var(--kid-primary);color:var(--kid-white);transform:scale(.95)}.circle-word-cell.recognized{background:var(--kid-success);color:var(--kid-success-dark)}.circle-word-cell.recognized:hover{background:var(--kid-success-dark);color:var(--kid-white)}.circle-word-cell.selected.recognized{background:var(--kid-primary);color:var(--kid-white)}.circle-word-cell.hint-flash{animation:circle-word-hint-flash .6s ease-in-out 3}@keyframes circle-word-hint-flash{0%,to{background:var(--kid-white);color:var(--kid-gray-700)}50%{background:var(--kid-warning);color:var(--kid-gray-800)}}.circle-word-actions{width:100%;max-width:min(90vmin,400px);display:flex;justify-content:flex-end;align-items:center;gap:var(--kid-space-md)}.circle-word-hint-btn{padding:var(--kid-space-sm) var(--kid-space-lg);font-size:var(--kid-text-md);font-weight:700;color:var(--kid-info-dark);background:var(--kid-info);border:2px solid var(--kid-info-dark);border-radius:var(--kid-radius-md);cursor:pointer;transition:all var(--kid-transition-normal)}.circle-word-hint-btn:hover:not(:disabled){background:var(--kid-info-dark);color:var(--kid-white);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.circle-word-hint-btn:disabled{color:var(--kid-gray-400);background:var(--kid-gray-100);border-color:var(--kid-gray-300);cursor:not-allowed}.circle-word-confirm-btn{padding:var(--kid-space-sm) var(--kid-space-xl);font-size:var(--kid-text-md);font-weight:700;color:var(--kid-white);background:var(--kid-gradient-green);border:none;border-radius:var(--kid-radius-md);cursor:pointer;box-shadow:var(--kid-shadow-sm);transition:all var(--kid-transition-normal)}.circle-word-confirm-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:var(--kid-shadow-md)}.circle-word-confirm-btn:disabled{background:var(--kid-gray-400);cursor:not-allowed}.circle-word-sidebar{flex:1 1 200px;min-width:200px;max-width:320px;display:flex;flex-direction:column;gap:var(--kid-space-lg);background:var(--kid-white);border-radius:var(--kid-radius-lg);padding:var(--kid-space-lg);box-shadow:var(--kid-shadow-soft);border:3px solid var(--kid-gray-200)}@media (max-width: 767px){.circle-word-sidebar{max-width:100%}}.circle-word-level-words{margin:0}.circle-word-level-words-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:var(--kid-space-sm)}.circle-word-level-words-item{margin:0}.circle-word-level-word-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;font-size:1.4em;background:var(--kid-gradient-blue);border-radius:var(--kid-radius-md);border:2px solid var(--kid-secondary);transition:all var(--kid-transition-fast)}.circle-word-level-word-icon:hover{transform:scale(1.1)}.circle-word-level-word-chinese{display:inline-block;padding:var(--kid-space-xs) var(--kid-space-md);font-size:var(--kid-text-sm);color:var(--kid-gray-700);background:var(--kid-gray-100);border-radius:var(--kid-radius-md);border:2px solid var(--kid-gray-200);font-weight:600}.circle-word-recognized{margin:0}.circle-word-recognized-title{margin:0 0 var(--kid-space-md) 0;font-size:var(--kid-text-md);font-weight:700;color:var(--kid-success-dark)}.circle-word-recognized-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--kid-space-sm)}.circle-word-recognized-item{margin:0}.circle-word-recognized-word{width:100%;text-align:left;padding:var(--kid-space-sm) var(--kid-space-md);border:2px solid var(--kid-success);border-radius:var(--kid-radius-md);background:var(--kid-success);cursor:pointer;display:flex;flex-wrap:wrap;align-items:center;gap:var(--kid-space-sm);font-size:var(--kid-text-sm);transition:all var(--kid-transition-fast);font-weight:600}.circle-word-recognized-word:hover{background:var(--kid-success-dark);border-color:var(--kid-success-dark);color:var(--kid-white);transform:translate(4px)}.circle-word-recognized-english{font-weight:700;color:var(--kid-info-dark)}.circle-word-recognized-word:hover .circle-word-recognized-english{color:var(--kid-white)}.circle-word-recognized-chinese{color:var(--kid-gray-600)}.circle-word-recognized-word:hover .circle-word-recognized-chinese{color:#ffffffe6}.circle-word-recognized-icon{font-size:1.2em}.circle-word-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:var(--kid-space-lg) var(--kid-space-2xl);border-radius:var(--kid-radius-lg);font-size:var(--kid-text-lg);font-weight:700;z-index:2000;animation:circle-word-toast-in .25s ease;box-shadow:var(--kid-shadow-lg)}.circle-word-toast.success{background:var(--kid-success-dark);color:var(--kid-white);border:3px solid rgba(255,255,255,.5)}.circle-word-toast.failure{background:var(--kid-error-dark);color:var(--kid-white);border:3px solid rgba(255,255,255,.5)}.circle-word-toast.hint{background:#1976d2;color:var(--kid-white);border:3px solid rgba(255,255,255,.45)}@keyframes circle-word-toast-in{0%{opacity:0;transform:translate(-50%,-50%) scale(.9)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.crossword-board{width:100%}.crossword-board-unavailable{padding:24px;text-align:center}.crossword-board-unavailable p{margin:0 0 16px;color:var(--wc-ink)}.crossword-grid-wrap{background:transparent;padding:0}.crossword-grid{--cell-size: 56px;display:grid;gap:1px;width:max-content;height:max-content}.crossword-cell{width:var(--cell-size);height:var(--cell-size);min-width:var(--cell-size);min-height:var(--cell-size);aspect-ratio:1;display:flex;align-items:center;justify-content:center;position:relative;box-sizing:border-box}.crossword-cell-black{background:transparent}.crossword-cell-white{background:var(--kid-white);border:1px solid var(--kid-gray-300)}.crossword-cell-number{position:absolute;top:2px;left:4px;font-size:var(--kid-text-xs);color:var(--kid-gray-600);line-height:1}.crossword-cell-input{width:100%;height:100%;border:none;background:transparent;text-align:center;font-size:1.25rem;font-weight:600;text-transform:lowercase;box-sizing:border-box}.crossword-cell-input:focus{outline:2px solid var(--kid-secondary);outline-offset:-2px}.crossword-cell-preview-value{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font-size:1.25rem;font-weight:600;text-transform:lowercase}.crossword-actions{display:flex;gap:10px}.crossword-submit-btn,.crossword-hint-btn{padding:10px 24px;font-size:var(--kid-text-md);font-weight:600;border:none;border-radius:var(--kid-radius-md);cursor:pointer;transition:var(--kid-transition)}.crossword-submit-btn{color:var(--kid-white);background:var(--kid-secondary)}.crossword-submit-btn:hover{background:var(--wc-mint);transform:translateY(-2px)}.crossword-hint-btn{color:var(--wc-ink);background:var(--kid-gray-200)}.crossword-hint-btn:hover{background:var(--kid-gray-300);transform:translateY(-2px)}.crossword-hint-word{margin:12px 0 0;padding:8px 12px;font-size:var(--kid-text-sm);color:var(--wc-ink);background:var(--kid-gray-100);border-radius:var(--kid-radius-sm)}.crossword-board .game-layout-side.crossword-clues{background:var(--kid-white);border-radius:var(--kid-radius-md);padding:16px;box-shadow:var(--kid-shadow-md)}.crossword-clues-section{margin-bottom:16px}.crossword-clues-section:last-child{margin-bottom:0}.crossword-clues-title{margin:0 0 8px;font-size:var(--kid-text-sm);font-weight:600;color:var(--wc-ink)}.crossword-clues-list{list-style:none;margin:0;padding:0}.crossword-clues-list li{margin-bottom:4px;font-size:var(--kid-text-sm);color:var(--wc-ink-muted)}.crossword-toast{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);padding:16px 32px;border-radius:var(--kid-radius-md);font-size:var(--kid-text-lg);font-weight:600;z-index:2000}.crossword-toast.success{background:var(--kid-success-dark);color:var(--kid-white)}.crossword-toast.failure{background:var(--kid-error-dark);color:var(--kid-white)}@media (max-width: 640px){.crossword-grid{--cell-size: 40px}.crossword-cell-input,.crossword-cell-preview-value{font-size:1rem}.crossword-submit-btn,.crossword-hint-btn{padding:8px 16px;font-size:var(--kid-text-sm)}}.connect-board-body{flex:1;min-height:0;display:flex;align-items:stretch}.connect-board-container{position:relative;display:flex;gap:72px;flex:1;min-width:0;padding:var(--kid-space-sm) 0}.connect-board-column{display:flex;flex-direction:column;gap:var(--kid-space-md);flex:1;min-width:0;overflow-y:auto}.connect-board-left{align-items:flex-end}.connect-board-right{align-items:flex-start}.connect-board-card{background:var(--kid-white);border:3px solid var(--kid-gray-200);border-radius:var(--kid-radius-md);padding:var(--kid-space-md) var(--kid-space-lg);cursor:pointer;transition:all var(--kid-transition-normal);height:60px;min-height:60px;max-height:60px;display:flex;align-items:center;justify-content:center;-webkit-user-select:none;user-select:none;max-width:100%;box-sizing:border-box;box-shadow:var(--kid-shadow-sm)}.connect-board-left-card,.connect-board-right-card{min-width:120px;max-width:200px}.connect-board-card:hover{border-color:var(--kid-primary);box-shadow:var(--kid-shadow-md);transform:translateY(-2px)}.connect-board-card.selected{border-color:var(--kid-info-dark);background:var(--kid-secondary-light);box-shadow:0 0 0 3px #a8edea80,var(--kid-shadow-md);transform:scale(1.02)}.connect-board-card.matched{border-color:var(--kid-success-dark);background:var(--kid-success);pointer-events:none;box-shadow:var(--kid-shadow-sm);opacity:.9}.connect-board-card-wrong{border-color:var(--kid-error-dark);background:var(--kid-error);animation:connect-card-wrong-flash .5s ease-out}@keyframes 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connect-line-wrong-flash{0%{opacity:1}50%{opacity:1}to{opacity:.3}}.level-complete{position:fixed;top:0;left:0;right:0;bottom:0;display:flex;align-items:center;justify-content:center;z-index:1000}.level-complete-bg{position:absolute;top:0;left:0;right:0;bottom:0;background-size:cover;background-position:center;background-repeat:no-repeat;z-index:0}.level-complete-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#000000bf;z-index:1;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.complete-content{position:relative;z-index:2;background:var(--kid-white);padding:var(--kid-space-2xl);border-radius:var(--kid-radius-xl);box-shadow:var(--kid-shadow-lg),0 0 0 4px #ffffffe6;max-width:500px;width:90%;text-align:center;border:4px solid var(--kid-success);animation:popIn .4s ease-out}@keyframes popIn{0%{transform:scale(.8);opacity:0}70%{transform:scale(1.02)}to{transform:scale(1);opacity:1}}.complete-content h2{font-family:var(--font-display);font-size:var(--kid-text-2xl);font-weight:800;color:var(--kid-success-dark);margin-bottom:var(--kid-space-lg);text-shadow:0 2px 4px rgba(0,0,0,.1)}.stars-display{display:flex;justify-content:center;gap:var(--kid-space-md);margin-bottom:var(--kid-space-lg)}.star{font-size:48px;color:var(--kid-gray-300);transition:all var(--kid-transition-normal);filter:drop-shadow(0 1px 2px rgba(0,0,0,.2))}.star.active{color:var(--kid-warning);transform:scale(1.2);animation:starPop .5s ease-out;filter:drop-shadow(0 2px 8px rgba(255,217,61,.6))}@keyframes starPop{0%{transform:scale(0)}50%{transform:scale(1.4)}to{transform:scale(1.2)}}.reward-info{margin-bottom:var(--kid-space-lg)}.reward-info>div{margin-bottom:var(--kid-space-sm);font-size:var(--kid-text-lg)}.score-time-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:var(--kid-space-xs)}.score-time-sep{margin:0 var(--kid-space-sm);color:var(--kid-gray-400);font-weight:600}.reward-info .label{color:var(--kid-gray-600);margin-right:var(--kid-space-xs);font-weight:600}.reward-info .value{color:var(--kid-gray-800);font-weight:700}.coins-reward .value{color:var(--kid-warning-dark);font-size:var(--kid-text-xl);font-weight:800;text-shadow:0 1px 2px rgba(0,0,0,.1)}.action-buttons{display:flex;flex-direction:column;gap:var(--kid-space-md)}.btn{padding:var(--kid-space-md);border:3px solid var(--kid-gray-200);border-radius:var(--kid-radius-md);background:var(--kid-white);color:var(--kid-gray-700);font-size:var(--kid-text-lg);font-weight:700;cursor:pointer;transition:all var(--kid-transition-normal)}.btn:hover{border-color:var(--kid-primary);background:var(--kid-gray-100);color:var(--kid-primary);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.btn-primary{background:var(--kid-gradient-green);color:var(--kid-white);border-color:var(--kid-success-dark)}.btn-primary:hover{background:var(--kid-success-dark);border-color:var(--kid-success-dark);color:var(--kid-white)}@media (max-width: 768px){.complete-content{padding:var(--kid-space-xl) var(--kid-space-lg)}.complete-content h2{font-size:var(--kid-text-xl)}.star{font-size:40px}}.achievement-room{padding:20px 18px 22px;max-width:900px;margin:0 auto;width:100%;background:var(--kid-white);border-radius:var(--kid-radius-lg);border:1px solid rgba(226,77,60,.12);box-shadow:var(--kid-shadow-md),0 1px #ffffffd9 inset}.achievement-room h2{text-align:left;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid var(--kid-gray-200);color:var(--wc-ink);font-family:var(--font-display);font-size:1.15rem;font-weight:800;letter-spacing:.02em}.achievements-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));row-gap:var(--kid-space-lg);column-gap:var(--kid-space-lg);max-width:100%}@media (max-width: 767px){.achievements-grid{grid-template-columns:1fr;row-gap:var(--kid-space-md);column-gap:var(--kid-space-md)}.achievement-card{max-width:280px;justify-self:center;padding:var(--kid-space-lg)}.achievement-icon{font-size:40px}}.achievement-card{width:100%;min-width:0;background:var(--kid-white);border:3px solid var(--kid-gray-200);border-radius:var(--kid-radius-lg);padding:var(--kid-space-xl);text-align:center;transition:all var(--kid-transition-normal);box-shadow:var(--kid-shadow-sm)}.achievement-card:hover{transform:translateY(-4px);box-shadow:var(--kid-shadow-md)}.achievement-card.unlocked{border-color:var(--kid-warning);background:var(--kid-gradient-gold);box-shadow:var(--kid-shadow-md)}.achievement-card.unlocked:hover{transform:translateY(-4px) scale(1.02);box-shadow:var(--kid-shadow-lg)}.achievement-card.locked{opacity:.7;background:var(--kid-gray-100)}.achievement-icon{font-size:52px;margin-bottom:var(--kid-space-sm);transition:transform var(--kid-transition-normal)}.achievement-card:hover 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h3{margin-bottom:var(--kid-space-md);color:var(--kid-gray-800);font-size:var(--kid-text-lg);font-weight:700}.settings-data-hint{font-size:var(--kid-text-sm);color:var(--kid-gray-600);margin-bottom:var(--kid-space-md);line-height:1.5}.setting-item{margin-bottom:var(--kid-space-sm)}.setting-item label{display:flex;align-items:center;gap:var(--kid-space-md);cursor:pointer;font-size:var(--kid-text-md);color:var(--kid-gray-700);font-weight:600}.setting-item input[type=checkbox]{width:24px;height:24px;cursor:pointer;accent-color:var(--kid-primary);border-radius:var(--kid-radius-sm)}.setting-actions{display:flex;flex-direction:row;gap:var(--kid-space-md)}@media (max-width: 767px){.setting-actions{flex-direction:column;gap:var(--kid-space-md)}}.setting-actions .btn{flex:1;padding:var(--kid-space-md);border:3px solid var(--kid-gray-200);border-radius:var(--kid-radius-md);background:var(--kid-white);color:var(--kid-gray-700);font-size:var(--kid-text-md);font-weight:700;cursor:pointer;transition:all var(--kid-transition-normal)}.setting-actions .btn:hover{border-color:var(--kid-primary);background:var(--kid-gray-100);color:var(--kid-primary);transform:translateY(-2px);box-shadow:var(--kid-shadow-sm)}.daily-tasks{background:var(--kid-white);border-radius:var(--kid-radius-lg);padding:20px 18px 22px;border:1px solid rgba(226,77,60,.12);box-shadow:var(--kid-shadow-md),0 1px #ffffffd9 inset;color:var(--wc-ink)}.daily-tasks-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--kid-gray-200)}.daily-tasks-title{font-family:var(--font-display);font-size:1.15rem;font-weight:800;display:flex;align-items:center;gap:8px;color:var(--wc-ink);letter-spacing:.02em}.daily-tasks-count{font-size:var(--kid-text-sm);background:#e24d3c1a;color:var(--wc-coral-deep);padding:6px 12px;border-radius:999px;font-weight:800;font-variant-numeric:tabular-nums;border:1px solid rgba(226,77,60,.2)}.daily-tasks-list{display:flex;flex-direction:column;gap:10px}.task-item{background:linear-gradient(180deg,#fff,#fffaf8);border-radius:var(--kid-radius-md);padding:12px 14px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;transition:border-color .2s,box-shadow .2s;cursor:default;border:2px solid var(--kid-gray-200)}.task-item:hover{border-color:#e24d3c40;box-shadow:var(--kid-shadow-sm)}.task-item.completed{background:linear-gradient(180deg,#f0fdf4,#ecfdf5);border-color:#10b98159}.task-item.completed .task-icon{background:linear-gradient(145deg,#34d399,#059669);border:2px solid rgba(5,150,105,.3)}.task-icon{width:46px;height:46px;border-radius:14px;background:#e24d3c14;border:2px solid rgba(226,77,60,.12);display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;transition:background .2s}.task-content{flex:1 1 160px;min-width:0}.task-title{font-size:var(--kid-text-md);font-weight:800;font-family:var(--font-display);margin-bottom:4px;color:var(--wc-ink);line-height:1.25}.task-description{font-size:var(--kid-text-sm);color:var(--kid-gray-600);line-height:1.4}.task-progress{display:flex;flex-direction:column;align-items:flex-end;gap:6px;min-width:72px;flex-shrink:0}.task-progress-bar{width:72px;height:10px;background:var(--kid-gray-200);border-radius:9999px;overflow:hidden;border:1px solid rgba(63,52,47,.1);box-sizing:border-box}.task-progress-fill{height:100%;min-width:0;background:linear-gradient(90deg,var(--wc-mint) 0%,#2dd4bf 100%);border-radius:9999px;transition:width var(--kid-transition-normal)}.task-progress-text{font-size:var(--kid-text-xs);font-weight:800;color:var(--wc-ink-muted);font-variant-numeric:tabular-nums}.task-reward{display:flex;flex-direction:column;align-items:flex-end;gap:4px;font-size:var(--kid-text-sm);font-weight:700;flex-shrink:0;margin-left:auto}.task-reward-coins{display:inline-flex;align-items:center;gap:4px;color:#b45309;background:#fbbf2433;padding:2px 8px;border-radius:999px;font-variant-numeric:tabular-nums}.task-reward-xp{display:inline-flex;align-items:center;gap:4px;color:#047857;background:#a7f3d073;padding:2px 8px;border-radius:999px;font-variant-numeric:tabular-nums}.task-check{width:32px;height:32px;border-radius:var(--kid-radius-full);background:linear-gradient(145deg,#34d399,#059669);color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:900;flex-shrink:0;box-shadow:0 2px 8px #05966959}.all-tasks-bonus{margin-top:18px;padding-top:18px;border-top:1px dashed var(--kid-gray-300);text-align:center}.all-tasks-bonus-title{font-size:var(--kid-text-md);margin-bottom:10px;font-weight:800;font-family:var(--font-display);color:var(--wc-ink)}.all-tasks-bonus-rewards{display:flex;justify-content:center;gap:20px;margin-bottom:14px;flex-wrap:wrap}.bonus-item{display:flex;align-items:center;gap:6px;font-size:var(--kid-text-lg);font-weight:800}.bonus-item.coins{color:#b45309}.bonus-item.xp{color:#047857}.claim-all-btn{background:linear-gradient(145deg,var(--wc-coral) 0%,#ea580c 100%);color:#fff;border:none;border-radius:999px;padding:10px 22px;font-size:var(--kid-text-md);font-weight:800;font-family:var(--font-display);cursor:pointer;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 14px #e24d3c4d}.claim-all-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 20px #e24d3c61}.claim-all-btn:disabled{background:var(--kid-gray-300);color:var(--kid-gray-600);cursor:not-allowed;box-shadow:none}.claim-all-btn.claimed{background:linear-gradient(145deg,#34d399,#059669);color:#fff}@keyframes taskComplete{0%{transform:scale(1)}50%{transform:scale(1.02)}to{transform:scale(1)}}.task-item.just-completed{animation:taskComplete .4s ease;border-color:#10b98180}.daily-tasks-loading{text-align:center;padding:24px;color:var(--kid-gray-600);font-weight:600}.daily-tasks-summary{font-size:var(--kid-text-sm);color:var(--kid-gray-600);font-weight:600;margin-top:8px}@media (max-width: 520px){.daily-tasks{padding:16px 14px}.task-item{display:grid;grid-template-columns:44px 1fr;gap:8px 12px;align-items:start}.task-icon{width:44px;height:44px;font-size:20px;grid-row:1;grid-column:1}.task-content{grid-row:1;grid-column:2;min-width:0}.task-progress{grid-row:2;grid-column:1 / -1;flex-direction:row;align-items:center;justify-content:space-between;width:100%;margin-left:0;min-width:0}.task-reward{grid-row:3;grid-column:1 / -1;flex-direction:row;justify-content:flex-start;margin-left:0;padding-top:8px;border-top:1px solid var(--kid-gray-200);gap:10px}}.shop{background:var(--kid-white);border-radius:var(--kid-radius-lg);padding:18px 16px 20px;border:1px solid rgba(226,77,60,.12);box-shadow:var(--kid-shadow-md),0 1px #ffffffd9 inset}.shop-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:14px;padding:2px 2px 14px;border-bottom:1px solid var(--kid-gray-200)}.shop-title{font-family:var(--font-display);font-size:1.15rem;font-weight:800;color:var(--wc-ink);display:flex;align-items:center;gap:8px;letter-spacing:.02em;line-height:1.2;min-width:0}.shop-coins{display:flex;align-items:center;gap:6px;background:linear-gradient(135deg,#fff7d6,#ffedd5);color:#92400e;padding:6px 14px;border-radius:999px;font-weight:800;font-size:var(--kid-text-md);border:1px solid rgba(251,191,36,.45);font-variant-numeric:tabular-nums;flex-shrink:0}.shop-coins-icon{font-size:1.1rem;line-height:1}.shop-tabs{display:flex;gap:8px;margin-bottom:16px;padding:4px;background:var(--kid-gray-100);border-radius:14px;border:1px solid var(--kid-gray-200)}.shop-tab{flex:1;min-height:44px;display:flex;align-items:center;justify-content:center;padding:0 10px;border:none;border-radius:12px;font-size:13px;font-weight:800;font-family:var(--font-body);color:var(--kid-gray-600);cursor:pointer;transition:background .2s,color .2s,box-shadow .2s;background:transparent;line-height:1.25;text-align:center}.shop-tab:hover{color:var(--wc-coral-deep);background:#ffffffbf}.shop-tab.active{background:var(--kid-white);color:var(--wc-coral-deep);box-shadow:0 2px 8px #3f342f14,inset 0 0 0 1px #e24d3c33}.shop-items{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;align-items:stretch}.shop-item{background:linear-gradient(180deg,#fff,#fffaf8);border-radius:var(--kid-radius-md);padding:0;display:flex;flex-direction:column;height:100%;min-height:0;box-shadow:var(--kid-shadow-sm);transition:border-color .2s,transform .2s,box-shadow .2s;cursor:default;border:2px solid var(--kid-gray-200);overflow:hidden}.shop-item:hover{transform:translateY(-2px);box-shadow:var(--kid-shadow-md);border-color:#e24d3c47}.shop-item.owned{opacity:.96;background:#f0fdf4;border-color:#10b98159}.shop-item-main{flex:1 1 auto;display:flex;flex-direction:column;align-items:center;text-align:center;padding:14px 12px 10px;min-height:0}.shop-item-icon-wrap{width:52px;height:52px;border-radius:14px;background:#e24d3c0f;border:1px solid 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var(--kid-gray-200);background:#ffffffa6;display:flex;flex-direction:column;align-items:stretch;gap:10px}.shop-item-price{display:flex;align-items:center;justify-content:center;gap:4px;font-size:var(--kid-text-md);font-weight:800;color:#b45309;font-variant-numeric:tabular-nums;min-height:1.5em}.shop-item-price.owned{color:#047857}.shop-item-buy-btn{width:100%;padding:9px 12px;border:none;border-radius:12px;background:linear-gradient(145deg,var(--wc-coral) 0%,#ea580c 100%);color:var(--kid-white);font-size:var(--kid-text-sm);font-weight:800;font-family:var(--font-display);cursor:pointer;transition:transform .2s,box-shadow .2s,opacity .2s;box-shadow:0 3px 10px #e24d3c40}.shop-item-buy-btn:hover:not(:disabled){transform:scale(1.01);box-shadow:0 4px 14px #e24d3c52}.shop-item-buy-btn:disabled{background:var(--kid-gray-300);color:var(--kid-gray-700);cursor:not-allowed;box-shadow:none}.shop-item-buy-btn.owned{background:linear-gradient(145deg,#34d399,#059669);box-shadow:0 2px 8px 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pre{margin-top:8px;background:#fff;padding:12px;border-radius:4px;overflow-x:auto;font-size:12px}.libraries-section{background:var(--kid-white);padding:22px 20px 24px;border-radius:var(--kid-radius-lg);border:1px solid rgba(226,77,60,.12);box-shadow:var(--kid-shadow-md),0 1px #fffc inset;margin-bottom:28px;overflow-x:hidden}.libraries-section-head h3{font-family:var(--font-display);font-size:1.2rem;font-weight:800;color:var(--wc-ink);margin:0 0 8px}.libraries-section h3{margin-bottom:16px;color:var(--wc-ink)}.empty-state{text-align:center;padding:40px;color:#666}.empty-state .hint{margin-top:8px;font-size:14px;color:#999}.libraries-list{display:flex;flex-direction:column;gap:12px}.library-item{display:flex;justify-content:space-between;align-items:stretch;gap:14px;padding:16px;border:2px solid var(--kid-gray-200);border-left:4px solid var(--wc-mint);border-radius:var(--kid-radius-md);cursor:pointer;transition:border-color .2s,background .2s,box-shadow 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