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#c4b99a;width:48px;height:100%;text-align:center;font-weight:700;z-index:1;user-select:none;cursor:pointer;align-items:flex-end;padding-bottom:8px;margin:0 1px;border-radius:0 0 6px 6px;transition:background .06s ease-out,transform .04s ease-out,box-shadow .06s ease-out;box-shadow:0 4px 6px rgba(0,0,0,.15),inset 0 -2px 3px rgba(0,0,0,.04)}.PianoPlayer_key__4EoYv:hover{background:linear-gradient(180deg,#fdfcf5,#ede8de 60%,#e4ddd0)}.PianoPlayer_key__4EoYv:active{transform:translateY(3px);box-shadow:0 1px 2px rgba(0,0,0,.1),inset 0 2px 4px rgba(0,0,0,.08);background:linear-gradient(180deg,#f0ebe0,#e8e2d5)}.PianoPlayer_black__BAgW7{background:linear-gradient(180deg,#2a2a2a,#1a1a1a 40%,#111);color:#fff;width:36px;height:60%;position:absolute;top:0;left:34px;z-index:2;border-radius:0 0 4px 4px;border:1px solid #000;align-items:flex-end;padding-bottom:6px;box-shadow:0 4px 8px rgba(0,0,0,.5),inset 0 -1px 2px 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rgba(245,158,11,.6);outline-offset:-3px}.PianoPlayer_feedback__hN3RE{position:absolute;top:-1.4rem;left:50%;transform:translateX(-50%);font-size:1.2rem;pointer-events:none;opacity:0;transition:opacity .15s}.PianoPlayer_feedbackVisible__K6MJM{opacity:1}@keyframes PianoPlayer_notePulse__TJriE{0%,to{filter:drop-shadow(0 0 4px rgba(59,130,246,.6));transform:scale(1)}50%{filter:drop-shadow(0 0 10px rgba(59,130,246,.9));transform:scale(1.18)}}.PianoPlayer_sheetHighlight__tf9rw{fill:#3b82f6!important;animation:PianoPlayer_notePulse__TJriE 1s ease-in-out infinite;transform-origin:center;transform-box:fill-box}.PianoPlayer_sheetCorrect__4tWj_{fill:#22c55e!important;opacity:.5}.PianoPlayer_sheetError__TUH_T{fill:#ef4444!important}.PianoPlayer_hint__UvlRX{margin-top:.75rem;font-size:1rem;min-height:1.5rem;color:#222}.PianoPlayer_done__nUl2e{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);opacity:0;pointer-events:none;transition:opacity 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.15s}.PianoPlayer_doneBtn__KCcVS:hover{background:#f1f5f9;border-color:#94a3b8}.PianoPlayer_doneBtn__KCcVS:active{background:#e2e8f0}.PianoPlayer_doneBtnPrimary__ateQ6{background:#3b82f6;border-color:#3b82f6;color:#fff}.PianoPlayer_doneBtnPrimary__ateQ6:hover{background:rgb(19.9912195122,105.1219512195,244.2087804878);border-color:rgb(19.9912195122,105.1219512195,244.2087804878)}.PianoPlayer_doneBtnPrimary__ateQ6:active{background:rgb(10.7034146341,95.1414634146,233.0965853659)}.PianoPlayer_keyboardRef__rDQQP{display:flex;gap:.6rem;justify-content:center;align-items:center;flex-wrap:wrap;background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:.6rem 1rem;margin-top:1rem}.PianoPlayer_keyboardRefTitle__RmV8P{font-size:.8rem;font-weight:600;color:#666;margin-right:.25rem}.PianoPlayer_kbdGroup__h6H67{display:flex;align-items:center;gap:.2rem}.PianoPlayer_kbd__7zOsd{display:inline-flex;align-items:center;justify-content:center;min-width:1.5rem;height:1.5rem;padding:0 .3rem;background:#fff;border:1px solid #cbd5e1;border-radius:4px;font-size:.75rem;font-weight:600;font-family:inherit;color:#222;box-shadow:0 1px 2px rgba(0,0,0,.08)}.PianoPlayer_kbdNote__Et62D{font-size:.65rem;color:#666}.PianoPlayer_loading__ow2yJ{margin-top:.5rem;font-size:.85rem;color:#666}@media(max-width:768px){.PianoPlayer_gameSection__NG9Bi{padding:1.25rem .75rem}.PianoPlayer_title__cJygD{font-size:1.5rem}.PianoPlayer_subtitle__vNhl4{font-size:.9rem}.PianoPlayer_scoreCards__6V_OO{gap:.5rem}.PianoPlayer_scoreCard__RLPGY{padding:.5rem .4rem}.PianoPlayer_scoreCardLabel__L09Gf{font-size:.65rem}.PianoPlayer_scoreCardValue__v7Gwt{font-size:1.2rem}.PianoPlayer_pianoWrapper___jrGp{padding:.75rem .5rem 1rem;border-radius:12px}.PianoPlayer_piano__D3cmD{height:150px}.PianoPlayer_key__4EoYv{width:40px}.PianoPlayer_black__BAgW7{width:28px;left:28px}.PianoPlayer_keyboardRef__rDQQP{gap:.4rem;padding:.5rem .75rem}.PianoPlayer_kbd__7zOsd{min-width:1.3rem;height:1.3rem;font-size:.65rem}.PianoPlayer_doneCard__5k6jx{padding:2rem}}