.tool-section[data-astro-cid-6hizp2ez]{margin:1.5rem 0;padding:1.5rem;background:#f8fafc;border-radius:8px}.tool-section[data-astro-cid-6hizp2ez] h3[data-astro-cid-6hizp2ez]{margin:0 0 1rem;font-size:1.1rem;color:#334155}.card-types[data-astro-cid-6hizp2ez]{display:flex;flex-wrap:wrap;gap:.5rem}.card-type[data-astro-cid-6hizp2ez]{padding:.35rem .75rem;background:#e2e8f0;border-radius:4px;font-size:.85rem;color:#475569}#cardNumber[data-astro-cid-6hizp2ez]{font-size:1.25rem;letter-spacing:2px;font-family:Courier New,monospace}#resultBox[data-astro-cid-6hizp2ez].valid{border-left:4px solid #22c55e}#resultBox[data-astro-cid-6hizp2ez].invalid{border-left:4px solid #ef4444}#resultValue[data-astro-cid-6hizp2ez]{font-size:1.5rem;font-weight:600;margin:.5rem 0}#resultBox[data-astro-cid-6hizp2ez].valid #resultValue[data-astro-cid-6hizp2ez]{color:#22c55e}#resultBox[data-astro-cid-6hizp2ez].invalid #resultValue[data-astro-cid-6hizp2ez]{color:#ef4444}#resultDetail[data-astro-cid-6hizp2ez]{font-size:.95rem;color:#64748b}