._cell_18kz2_1{text-align:center;vertical-align:middle;cursor:pointer;-webkit-user-select:none;user-select:none;border:1px solid #aaa;width:52px;height:52px;font-size:1.4rem;transition:background .1s}._cell_18kz2_1:hover{background:#dceeff}._selected_18kz2_17{background:#b3d4ff!important}._given_18kz2_21{color:#222;font-weight:700}._cell_18kz2_1:not(._given_18kz2_21){color:#1a6fdc}._thickRight_18kz2_30{border-right:3px solid #333}._thickBottom_18kz2_34{border-bottom:3px solid #333}._wrapper_7yvv0_1{gap:.5rem;display:flex}._btn_7yvv0_6{cursor:pointer;color:#444;background:#f4f4f4;border:2px solid #ccc;border-radius:20px;padding:.4rem 1.1rem;font-size:.95rem;font-weight:600;transition:background .15s,border-color .15s,color .15s}._btn_7yvv0_6:hover{background:#dceeff;border-color:#7fb3f5}._active_7yvv0_23{color:#fff;background:#1a6fdc;border-color:#1a6fdc}._active_7yvv0_23:hover{background:#1558b0;border-color:#1558b0}._wrapper_1344q_1{flex-direction:column;align-items:center;gap:1.5rem;display:flex}._board_1344q_8{border-collapse:collapse;border:3px solid #333}._numpad_1344q_13{grid-template-columns:repeat(5,1fr);gap:.5rem;display:grid}._numBtn_1344q_19{cursor:pointer;background:#f4f4f4;border:2px solid #ccc;border-radius:8px;width:52px;height:52px;font-size:1.3rem;font-weight:600;transition:background .1s}._numBtn_1344q_19:hover{background:#dceeff}._clearBtn_1344q_35{color:#c0392b;grid-column:span 1}._resetBtn_1344q_40{color:#fff;cursor:pointer;background:#1a6fdc;border:none;border-radius:8px;padding:.5rem 2rem;font-size:1rem;transition:background .15s}._resetBtn_1344q_40:hover{background:#1558b0}*{box-sizing:border-box;margin:0;padding:0}body{background:#f0f4f8;min-height:100vh;font-family:Segoe UI,system-ui,sans-serif}main{flex-direction:column;align-items:center;gap:2rem;padding:2rem 1rem;display:flex}h1{color:#1a2b3c;letter-spacing:.05em;font-size:2.5rem}