.number-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin-top:22px}.number-tile{background:#f6f9ef;border:2px solid #e0e9d0;border-bottom-width:5px;border-radius:17px;padding:16px 8px;display:flex;flex-direction:column;gap:9px;align-items:center;color:#355a40;font:inherit;cursor:pointer}.number-tile strong{font-size:32px;color:#79a745}.number-tile b{font-size:16px}.number-tile span{font-size:13px}.number-tile small{font-size:11px;color:#76876a}.number-tile:hover{background:#e9f3dc}.number-tile:focus-visible{outline:3px solid #437ba2;outline-offset:3px}.number-equation{font-size:36px;text-align:center;margin:24px 0;color:#47753b;font-weight:bold}.number-counters{text-align:center;font-size:29px;letter-spacing:4px;overflow-wrap:anywhere}.number-counters span{color:#82b64d}.number-counters i{color:#66aebf;font-style:normal}#number-challenge .controls{justify-content:center;margin:20px 0}#number-challenge .controls button{min-width:90px;font-size:23px}.number-grid+.note{margin-top:18px}
.reading-text{font-size:24px;line-height:2.1;background:#f6f9f0;padding:25px;border-radius:20px;color:#31543f}.reading-text+ .feedback{line-height:2}#reading-transcript,#reading-custom{width:100%;box-sizing:border-box;font:inherit;line-height:1.9;padding:16px;border:2px solid #dce5d4;border-radius:15px;margin:16px 0}@media(max-width:600px){.reading-text{font-size:20px;padding:18px}}