.crg-tool{background:#fff;border-radius:16px;border:1px solid var(--gray-200);padding:2rem;margin-top:2rem}.crg-presets{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-bottom:1.5rem}.crg-presets-label{font-size:.875rem;font-weight:600;color:var(--gray-600);margin-right:.25rem}.crg-preset-btn{padding:.35rem .75rem;font-size:.8rem;border:1px solid var(--gray-300);border-radius:6px;background:#fff;cursor:pointer;color:var(--gray-700);transition:background .15s,border-color .15s}.crg-preset-btn.active,.crg-preset-btn:hover{background:var(--primary-500);border-color:var(--primary-500);color:#fff}.crg-fields{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1.5rem}.crg-field{display:flex;flex-direction:column;gap:.3rem;flex:1;min-width:80px}.crg-field-label{font-size:.75rem;font-weight:600;color:var(--gray-600);text-transform:uppercase;letter-spacing:.04em}.crg-field-input{padding:.5rem .65rem;border:1px solid var(--gray-300);border-radius:8px;font-size:1rem;font-family:"Courier New",monospace;color:var(--gray-800);text-align:center;width:100%;box-sizing:border-box}.crg-field-input:focus{outline:0;border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(235,57,68,.1)}.crg-result-box{background:var(--gray-50);border-radius:12px;padding:1.25rem;display:flex;flex-direction:column;gap:1rem}.crg-expression-row{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}.crg-expr-label{font-size:.875rem;font-weight:600;color:var(--gray-600)}.crg-expr-code,.crg-runs-list li{font-family:"Courier New",monospace}.crg-expr-code{font-size:1.1rem;font-weight:700;color:var(--gray-900);background:#fff;border:1px solid var(--gray-200);border-radius:6px;padding:.3rem .75rem;flex:1;word-break:break-all}.crg-copy-btn{white-space:nowrap}.crg-description{font-size:.95rem;color:var(--gray-700);font-style:italic}.crg-next-label{font-size:.875rem;font-weight:600;color:var(--gray-600);margin-bottom:.4rem}.crg-runs-list{margin:0;padding-left:1.5rem;display:flex;flex-direction:column;gap:.2rem}.crg-runs-list li{font-size:.875rem;color:var(--gray-700)}