html,body,#root{height:100%;margin:0;padding:0}._card_10hfz_1{position:relative;width:80px;height:80px;perspective:1000px;cursor:pointer;background:transparent;color:#fff;border:none;border-radius:12px;font-size:1.5rem;display:flex;justify-content:center;align-items:center;transition:transform .5s ease;box-shadow:0 4px 12px #0000001a}._card_10hfz_1:focus{outline:2px solid #1976d2}._card_10hfz_1:hover{transform:scale(1.05)}._card_10hfz_1 ._front_10hfz_24,._card_10hfz_1 ._back_10hfz_25{position:absolute;top:0;left:0;width:100%;height:100%;backface-visibility:hidden;display:flex;justify-content:center;align-items:center;font-size:1.5rem;border-radius:12px;transition:transform .5s ease;transform-style:preserve-3d}._card_10hfz_1._flipped_10hfz_40 ._front_10hfz_24{transform:rotateY(180deg)}._card_10hfz_1._flipped_10hfz_40 ._back_10hfz_25{transform:rotateY(0)}._card_10hfz_1 ._front_10hfz_24{background:#fff;color:#2e2e2e;transform:rotateY(0)}._card_10hfz_1 ._back_10hfz_25{background:#ff6b6b;color:#fff;transform:rotateY(180deg)}@media (max-width: 480px){._card_10hfz_1{width:60px;height:60px;font-size:1.2rem}}._board_j4ny0_1{display:grid;gap:10px;margin-top:20px;justify-content:center}._stats_j4ny0_8{display:flex;justify-content:space-between;gap:2rem;font-size:1.2rem;margin-top:1rem}._resetButton_j4ny0_16{margin:10px 0 20px;padding:8px 16px;background:#4ecdc4;color:#fff;font-size:1rem;border:none;border-radius:12px;cursor:pointer;transition:background .5s ease}._resetButton_j4ny0_16:hover{background:#33b5ac}._overlay_j4ny0_31{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background:#000c;z-index:10}._overlay_j4ny0_31 ._overlayContent_j4ny0_43{background:#fff;color:#333;padding:2rem;border-radius:10px;text-align:center;box-shadow:0 4px 10px #0000004d}._overlay_j4ny0_31 ._overlayContent_j4ny0_43 ._overlayContent_j4ny0_43 h2{margin-bottom:1rem}._best_j4ny0_55{color:#4ecdc4;font-weight:600;margin-top:.5rem}@media (max-width: 480px){._stats_j4ny0_8{flex-direction:column;align-items:center;gap:.5rem}._board_j4ny0_1{gap:.6rem}._card_j4ny0_70 ._front_j4ny0_70,._card_j4ny0_70 ._back_j4ny0_71{font-size:1.5rem}}._container_etk6u_1{min-height:100vh;display:flex;justify-content:center;align-items:center;flex-direction:column;text-align:center;background:#fef9f4;padding:1rem;font-family:Poppins,sans-serif;color:#2e2e2e}._container_etk6u_1 ._title_etk6u_13{font-size:2rem;font-weight:700;margin-bottom:1rem}._container_etk6u_1 ._controls_etk6u_18{position:relative;flex-direction:column}._container_etk6u_1 ._controls_etk6u_18 button{padding:.5rem 1rem;font-weight:700;cursor:pointer;background:#4cafef;border-radius:6px;border:none}._container_etk6u_1 ._controls_etk6u_18 button:hover{background:#3f9fd1}._container_etk6u_1 ._difficultyMenu_etk6u_33{position:fixed;top:0;left:0;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background-color:#000000bf;z-index:999}._container_etk6u_1 ._difficultyMenu_etk6u_33 ._difficultyOptions_etk6u_45{background:#fff;padding:2rem;border-radius:10px;text-align:center;min-width:300px}._container_etk6u_1 ._difficultyMenu_etk6u_33 ._difficultyOptions_etk6u_45 h2{margin-bottom:1rem}._container_etk6u_1 ._difficultyMenu_etk6u_33 ._difficultyOptions_etk6u_45 button{display:block;width:100%;margin:.5rem 0;padding:.75rem;font-size:1rem;font-weight:700;background-color:#4caf50;color:#fff;border:none;border-radius:5px;cursor:pointer}._container_etk6u_1 ._difficultyMenu_etk6u_33 ._difficultyOptions_etk6u_45 button:hover{background-color:#388e3c}