.dns-lookup-container{max-width:900px;margin:0 auto;}.input-bar{display:grid;grid-template-columns:1fr auto auto;gap:1rem;margin-bottom:2rem;}.input-bar .form-control{flex-grow:1;font-size:1.1rem;padding:0.9rem 1.2rem;}.input-bar .custom-select{font-size:1rem;padding:0.9rem 2.5rem 0.9rem 1rem;}.input-bar .btn{font-size:1.1rem;padding:0.9rem 1.5rem;white-space:nowrap;}.results-container{background:var(--card-bg);border:1px solid var(--card-border);border-radius:12px;padding:2rem;min-height:200px;}.results-table{width:100%;border-collapse:collapse;}.results-table th,.results-table td{padding:1rem;text-align:left;border-bottom:1px solid var(--card-border);word-break:break-all;}.results-table th{color:var(--text-color-light);font-size:0.9rem;font-weight:600;text-transform:uppercase;}.results-table td{color:var(--text-color);}.results-table tr:last-child td{border-bottom:none;}.error-message{text-align:center;color:#ef4444;background:rgba(239,68,68,0.1);padding:1rem;border-radius:8px;}@media (max-width:600px){.input-bar{grid-template-columns:1fr;}}