.nettool{background:#fff;border-radius:16px;border:1px solid var(--gray-200);padding:2rem;margin-top:2rem;display:flex;flex-direction:column;gap:1.25rem}.nettool-input-wrap{display:flex;gap:.75rem;flex-wrap:wrap}.nettool-input{flex:1;min-width:200px;padding:.75rem 1rem;border:1px solid var(--gray-200);border-radius:8px;font-size:1rem;color:var(--gray-800);background:var(--gray-50);box-sizing:border-box}.nettool-input:focus{outline:0;border-color:var(--primary-500);box-shadow:0 0 0 3px rgba(235,57,68,.1)}.nettool-btn{padding:.75rem 2rem;background:var(--primary-500);color:#fff;border:0;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:background .2s;white-space:nowrap}.nettool-btn:hover{background:var(--primary-600)}.nettool-btn:disabled{opacity:.6;cursor:not-allowed}.nettool-results{border:1px solid var(--gray-200);border-radius:12px;padding:1.5rem;background:var(--gray-50)}.nettool-loading{text-align:center;padding:2rem;color:var(--gray-500);font-size:.95rem}.nettool-data{display:flex;flex-direction:column;gap:.5rem}.nettool-row{display:flex;padding:.6rem 0;border-bottom:1px solid var(--gray-100)}.nettool-row:last-child{border-bottom:none}.nettool-key{font-size:.85rem;font-weight:600;color:var(--gray-500);min-width:160px;flex-shrink:0}.nettool-section-title,.nettool-val{font-size:.9rem;color:var(--gray-800)}.nettool-val{word-break:break-all}.nettool-section-title{font-weight:700;padding:.75rem 0 .25rem;text-transform:uppercase;letter-spacing:.05em}.nettool-error{color:#ef4444;text-align:center;padding:1rem;font-size:.95rem}.nettool-port-grid{display:flex;flex-wrap:wrap;gap:.5rem}.nettool-port-item{padding:.5rem 1rem;border-radius:8px;border:1px solid var(--gray-200);font-size:.85rem;display:flex;align-items:center;gap:.5rem;background:#fff}.nettool-port-open{border-color:#16a34a}.nettool-port-closed{border-color:#ef4444;opacity:.6}.nettool-dot{width:8px;height:8px;border-radius:50%}.nettool-dot-green{background:#16a34a}.nettool-dot-red{background:#ef4444}.nettool-dot-gray{background:var(--gray-400)}.nettool-select,.ua-card{border:1px solid var(--gray-200);border-radius:8px}.nettool-select{padding:.75rem 1rem;font-size:1rem;color:var(--gray-800);background:var(--gray-50)}.ua-card{padding:1rem 1.25rem;background:#fff}.ua-card-title{font-size:.8rem;font-weight:600;color:var(--gray-500);text-transform:uppercase;margin-bottom:.5rem}.ua-card-value{font-size:1.1rem;font-weight:700;color:var(--gray-800)}.ua-card-sub{font-size:.85rem;color:var(--gray-600);margin-top:.25rem}.ua-cards{display:flex;flex-wrap:wrap;gap:1rem}.ua-cards .ua-card{flex:1;min-width:180px}.ua-raw{margin-top:1rem;padding:1rem;background:var(--gray-100);border-radius:8px;font-family:monospace;font-size:.85rem;color:var(--gray-700);word-break:break-all}@media (max-width:600px){.nettool{padding:1rem}.nettool-input-wrap{flex-direction:column}.nettool-key{min-width:120px}.ua-cards .ua-card{min-width:100%}}