body{margin:0;font-family:sans-serif;background:#f9f9f9}.simulator{padding:1rem;max-width:800px;margin:auto}.skill-grid{display:grid;grid-template-rows:repeat(4,auto);gap:.5rem;margin-bottom:2rem}.skill-row{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem}.skill-box{background:#fff;border:1px solid #ccc;border-radius:6px;padding:.5rem;text-align:center;font-size:12px}.skill-box .icon{font-size:20px}.skill-box .btns{margin-top:.25rem;display:flex;justify-content:center;gap:.25rem}.skill-box.empty{background:transparent;border:none}