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.6rem;color:#334155;border-radius:8px;transition:background .15s}.queens-back-btn:hover{background:#00000012}.queens-level-name{flex:1;text-align:center;font-size:1.1rem;font-weight:700;color:#334155}.queens-memo-btn{background:none;border:1px solid #94a3b8;border-radius:8px;padding:.3rem .65rem;font-size:.8rem;color:#64748b;cursor:pointer;transition:all .15s}.queens-memo-btn.active{background:#4a90e2;border-color:#4a90e2;color:#fff}.queens-reset-btn{background:none;border:1px solid #94a3b8;border-radius:8px;padding:.3rem .75rem;font-size:.8rem;color:#64748b;cursor:pointer;transition:background .15s}.queens-reset-btn:hover{background:#f1f5f9}.queens-status-row{display:flex;align-items:center;gap:.75rem;width:100%;max-width:500px;margin-bottom:1.25rem}.queens-hearts{display:flex;gap:.25rem;flex-shrink:0}.queens-heart{font-size:1.5rem;line-height:1;transition:transform .2s,opacity 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.1s;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;box-sizing:border-box}.queens-cell:active{filter:brightness(.88)}@keyframes cell-ripple-in{0%{transform:scale(0);opacity:0}55%{transform:scale(1.1);opacity:1}75%{transform:scale(.96)}to{transform:scale(1);opacity:1}}.queens-cell.rippling{animation:cell-ripple-in .42s cubic-bezier(.34,1.56,.64,1) both;animation-delay:var(--ripple-delay, 0ms)}.queens-cell.rippling:before{content:"";position:absolute;top:-50%;right:-50%;bottom:-50%;left:-50%;background:linear-gradient(135deg,transparent 35%,rgba(255,255,255,.45) 50%,transparent 65%);transform:translate(-100%,-100%);animation:cell-shine .55s ease-in-out both;animation-delay:var(--ripple-delay, 0ms);pointer-events:none;z-index:1}@keyframes cell-shine{to{transform:translate(100%,100%)}}.queens-cell.conflict{outline:2.5px solid #ef4444;outline-offset:-2px;animation:conflict-pulse .35s ease}.cell-queen{width:clamp(1.6rem,6.5vw,2.6rem);height:clamp(1.6rem,6.5vw,2.6rem);object-fit:contain;pointer-events:none;filter:drop-shadow(0 1px 3px rgba(0,0,0,.35));animation:crown-slam .42s cubic-bezier(.25,.46,.45,.94) both;flex-shrink:0}[data-n="8"] .cell-queen{width:clamp(1.25rem,5.2vw,2.1rem);height:clamp(1.25rem,5.2vw,2.1rem)}[data-n="9"] .cell-queen{width:clamp(1.05rem,4.5vw,1.8rem);height:clamp(1.05rem,4.5vw,1.8rem)}[data-n="10"] .cell-queen{width:clamp(.9rem,3.8vw,1.55rem);height:clamp(.9rem,3.8vw,1.55rem)}[data-n="11"] .cell-queen{width:clamp(.78rem,3.2vw,1.35rem);height:clamp(.78rem,3.2vw,1.35rem)}@keyframes crown-slam{0%{transform:translateY(calc(-8% - 30px)) scale(3.2);opacity:1}38%{transform:translateY(-8%) scale(.78);opacity:1}58%{transform:translateY(-8%) scale(1.14)}78%{transform:translateY(-8%) scale(.95)}to{transform:translateY(-8%) scale(1)}}@keyframes 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.cell-mark{width:clamp(.7rem,3vw,1.2rem);height:clamp(.7rem,3vw,1.2rem)}.cell-mark-memo{width:clamp(.7rem,3vw,1.1rem)!important;height:clamp(.7rem,3vw,1.1rem)!important;color:#0000008c!important;animation:none!important}.cell-queen-memo{width:clamp(.8rem,3.25vw,1.3rem)!important;height:clamp(.8rem,3.25vw,1.3rem)!important;animation:none!important;transform:translateY(-8%)!important;opacity:.55!important}@keyframes mark-boing{0%{transform:scale(0);opacity:0}55%{transform:scale(1.35);opacity:1}78%{transform:scale(.88)}to{transform:scale(1);opacity:1}}.cell-mark-out{animation:mark-boing-out .24s ease-in both!important}@keyframes mark-boing-out{0%{transform:scale(1);opacity:1}30%{transform:scale(1.15);opacity:1}to{transform:scale(0);opacity:0}}@keyframes conflict-pulse{0%,to{transform:scale(1)}40%{transform:scale(.94)}}@keyframes board-out{0%{opacity:1}to{opacity:0}}.queens-board-container.board-out{animation:board-out .18s ease-in 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.cell-ghost-queen{width:clamp(.78rem,3.2vw,1.35rem);height:clamp(.78rem,3.2vw,1.35rem)}.cell-forbidden-mark{font-size:clamp(1.1rem,4.5vw,1.8rem);font-weight:900;line-height:1;color:#ef4444eb;pointer-events:none}.tut-intro-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#080f1ee6;display:flex;align-items:center;justify-content:center;z-index:150;padding:1.5rem;animation:fade-in .3s ease}.tut-intro-card{background:#fff;border-radius:24px;padding:2.25rem 2rem 1.75rem;max-width:320px;width:100%;display:flex;flex-direction:column;align-items:center;gap:.85rem;text-align:center;box-shadow:0 24px 64px #00000073;animation:scale-in .35s 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