*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#0066cc;--success:#00a651;--danger:#d32f2f;--gray-50:#fafafa;--gray-100:#f5f5f5;--gray-200:#e0e0e0;--gray-300:#d0d0d0;--gray-400:#999;--gray-500:#666;--gray-600:#444;--gray-700:#333;--gray-800:#222;--gray-900:#111;--spacing-xs:4px;--spacing-sm:8px;--spacing-md:12px;--spacing-lg:16px;--font-mono:'SF Mono', Consolas, monospace;--font-system:-apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif}body{font-family:var(--font-system);font-size:14px;line-height:1.4;color:var(--gray-800);background:var(--gray-50)}.container{padding:var(--spacing-md);max-width:1400px;margin:0 auto}header{background:#fff;border-bottom:1px solid var(--gray-200);padding:var(--spacing-md)var(--spacing-lg);margin-bottom:var(--spacing-md);display:flex;align-items:baseline;gap:var(--spacing-md)}header h1{font-size:20px;font-weight:600;color:var(--gray-900)}.subtitle{color:var(--gray-500);font-size:13px}.query-form{background:#fff;border:1px solid var(--gray-200);border-radius:4px;padding:var(--spacing-lg);margin-bottom:var(--spacing-md)}.form-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:var(--spacing-lg)}.form-section{margin-bottom:0}.form-section h3{font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:var(--spacing-sm);text-transform:uppercase;letter-spacing:.5px}h3.subheading{margin-top:var(--spacing-md)}.hostname-textarea,.nameserver-textarea{width:100%;padding:var(--spacing-sm);border:1px solid var(--gray-300);border-radius:3px;font-size:13px;font-family:var(--font-mono);resize:vertical;min-height:60px}input[type=text]{display:block;width:100%;padding:var(--spacing-sm);border:1px solid var(--gray-300);border-radius:3px;font-size:13px;font-family:var(--font-mono);margin-bottom:calc(var(--spacing-sm)/2)}.hostname-textarea:focus,.nameserver-textarea:focus,input[type=text]:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(0,102,204,.1)}.type-select,.resolver-select-inline{background:#fff;border:1px solid var(--gray-300);border-radius:3px;cursor:pointer;font-size:13px;margin-bottom:var(--spacing-xs);padding:6px var(--spacing-sm);width:100%}.resolver-select-inline{margin-left:var(--spacing-sm)}#custom-nameservers{margin-top:var(--spacing-sm)}.radio-group{display:flex;flex-direction:column;flex-wrap:wrap;gap:var(--spacing-md)}.radio-option{display:flex;align-items:center;font-size:13px;color:var(--gray-700);cursor:pointer;padding:0;background:0 0;border:none}.radio-option input[type=radio]{width:16px;height:16px;margin-right:6px}.radio-option span{margin-right:0}.options-grid{display:grid;gap:var(--spacing-xs);margin-top:var(--spacing-sm)}.option-label{display:flex;align-items:center;padding:var(--spacing-xs);font-size:12px;background:0 0;border:none;cursor:pointer}.option-label input[type=checkbox],.compare-label input[type=checkbox]{width:14px;height:14px;margin-right:6px}.form-actions{grid-column:1/-1;display:flex;gap:var(--spacing-sm);padding-top:var(--spacing-md);margin-top:var(--spacing-md);border-top:1px solid var(--gray-200)}.set-ecs-btn,.submit-btn,.clear-btn,.share-btn{padding:6px 16px;border:none;border-radius:3px;font-size:13px;font-weight:500;cursor:pointer;transition:all .2s}.submit-btn{background:var(--success);color:#fff}.submit-btn:hover{background:#008a42}.set-ecs-btn,.clear-btn,.share-btn{background:var(--gray-100);color:var(--gray-700);border:1px solid var(--gray-300)}.set-ecs-btn:hover,.clear-btn:hover,.share-btn:hover{background:var(--gray-200)}.results{margin-bottom:var(--spacing-md)}.result-block{background:#fff;border:1px solid var(--gray-200);border-radius:3px;margin-bottom:var(--spacing-sm)}.result-header{padding:var(--spacing-sm)var(--spacing-md);background:var(--gray-50);border-bottom:1px solid var(--gray-200);cursor:pointer}.result-header h3{font-size:13px;font-weight:600;color:var(--gray-800);margin:0}.result-header-top{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--spacing-md)}.spinner{width:20px;height:20px;border:2px solid var(--gray-300);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-header-top h3{margin:0;flex:1}.result-buttons{display:flex;gap:var(--spacing-sm);flex-shrink:0}.result-meta{font-size:12px;color:var(--gray-600);margin-top:2px}.result-multiple{color:var(--gray-400);font-size:11px}.command-line{display:flex;align-items:center;gap:var(--spacing-sm);background:var(--gray-800);padding:var(--spacing-sm);border-radius:3px;margin-top:var(--spacing-sm);font-size:11px}.command-line code{flex:1;color:#6f6;font-family:var(--font-mono);white-space:pre-line;word-break:break-all;line-height:1.2}.result-content{padding:var(--spacing-sm);overflow-y:auto;position:relative}.dns-output{background:var(--gray-900);color:#e0e0e0;padding:var(--spacing-sm);border-radius:2px;font-family:var(--font-mono);font-size:12px;line-height:1.3;white-space:pre;overflow-x:auto}.result-content .dns-output{margin-top:2px}.dns-output .comment{color:#a1a1a1}.dns-output .comment .ede,.comparison-table .diff .ede{color:#ebb978}.dns-output .comment .status-ok{color:#6f6}.dns-output .comment .status-nok{color:#ff4d4d}.dns-output .domain{color:#9cf}.dns-output .ttl{color:#d0d0d0}.dns-output .class{color:#c9f}.dns-output .record-generic{color:#d4c27a}.dns-output .record-a{color:#6f6}.dns-output .record-aaaa{color:#f6f}.dns-output .record-caa{color:#ffb3ff}.dns-output .record-cname{color:#fc6}.dns-output .record-dnskey{color:#6f9}.dns-output .record-ds{color:#f6c}.dns-output .record-hinfo{color:#6c9}.dns-output .record-https{color:#6fc}.dns-output .record-mx{color:#f66}.dns-output .record-ns{color:#6cf}.dns-output .record-ptr{color:#6fc}.dns-output .record-rrsig{color:#00cfdf}.dns-output .record-soa{color:#f96}.dns-output .record-txt{color:#9f6}.dns-output .record-generic-data{color:#ad88b8}.dns-output .record-caa-data{color:#c9c}.dns-output .record-dnskey-data{color:#6b8}.dns-output .record-ds-data{color:#b59}.dns-output .record-hinfo-data{color:#09c55a}.dns-output .record-https-data{color:#95d19d}.dns-output .record-mx-data{color:#d77}.dns-output .record-rrsig-data{color:#2fafac}.dns-output .record-soa-data{color:#c28555}.dns-output .record-txt-data{color:#39c000}.dns-output .ip-address{color:#f99;font-weight:600}.clickable-ip{color:#fa9!important;cursor:pointer;text-decoration:none;border-bottom:1px dotted #fa9;padding:1px 2px;margin:-1px -2px;border-radius:2px}.clickable-domain{color:#acf!important;cursor:pointer;text-decoration:none;border-bottom:1px dotted #acf;padding:1px 2px;margin:-1px -2px;border-radius:2px}.clickable-ip:hover,.clickable-domain:hover{background:rgba(255,255,255,.3);border-bottom-color:transparent;color:#fff!important}.multi-nameserver-results{display:flex;flex-direction:column;gap:var(--spacing-sm)}.nameserver-result{border-bottom:1px solid var(--gray-700);margin-bottom:var(--spacing-sm)}.nameserver-result:last-child{border-bottom:none;padding-bottom:0;margin-bottom:0}.nameserver-label{font-size:11px;color:var(--gray-400);margin-bottom:var(--spacing-xs)}.nameserver-label strong{color:#66b3ff}footer{text-align:center;color:var(--gray-500);font-size:11px;padding:var(--spacing-md)}footer kbd{background:var(--gray-100);border:1px solid var(--gray-300);padding:2px 4px;border-radius:2px;font-family:monospace;font-size:10px}footer p{margin:0 0 var(--spacing-xs)}footer p:nth-child(2){margin-top:var(--spacing-sm);margin-bottom:0}footer a{color:var(--primary);text-decoration:none}footer a:hover{text-decoration:underline}details.privacy-policy summary{color:inherit;display:inline-flex;font-size:inherit;font-weight:inherit}details.privacy-policy summary::before{font-size:13px}details.privacy-policy p{font-size:13px;margin-top:2px;text-align:left;white-space:preserve-breaks}.form-small{font-size:11px;margin-top:var(--spacing-xs)}.error{background:#ffebee;border:1px solid #ffcdd2;color:var(--danger);padding:var(--spacing-sm)var(--spacing-md);border-radius:3px;margin-bottom:var(--spacing-md);font-size:13px}.error h3{font-size:14px;margin-bottom:var(--spacing-xs)}h3.failed{color:var(--danger)}.info{padding:var(--spacing-xs)var(--spacing-sm);font-size:12px}.info::before{content:'i';display:inline-flex;width:12px;height:12px;align-items:center;justify-content:center;border:1px solid;border-radius:50%;background-color:initial;font-size:12px;font-weight:700;font-style:italic;font-family:times new roman;text-transform:lowercase;line-height:1;vertical-align:text-bottom;cursor:help;margin-right:5px}@media(max-width:968px){.form-grid{grid-template-columns:1fr;gap:var(--spacing-md)}.form-actions{grid-column:1}}@media(max-width:768px){header{flex-direction:column;gap:var(--spacing-xs)}}#compare-api-error,.comparison-result,.comparison-table,#custom_nameservers-error,#ecs-error,.hidden,#hostnames-error,.javascript-required{display:none}.collapse-all-results-btn,.compare-btn,.compare-label,.copy-btn{padding:var(--spacing-xs)var(--spacing-sm);font-size:11px;background:var(--gray-700);color:var(--gray-100);border:1px solid var(--gray-600);border-radius:3px;cursor:pointer;transition:all .2s;white-space:nowrap}.collapse-all-results-btn:hover,.compare-btn:hover,.compare-label:hover,.copy-btn:hover{background:var(--gray-600);color:#fff}.optional{color:var(--gray-400);font-size:11px;font-weight:400}*:focus-visible{outline:2px solid var(--primary);outline-offset:1px}.results-ajax .result-block{animation:fadeIn .35s ease-out forwards}@keyframes fadeIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}.hostname-group{background:#fff;border:1px solid var(--gray-200);border-radius:3px;margin-bottom:var(--spacing-md)}.hostname-group-header{padding:var(--spacing-md)var(--spacing-lg);background:var(--gray-50);border-bottom:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center}.hostname-group-header h3{color:var(--gray-800);margin:0;font-size:16px;font-weight:600}.hostname-group-actions{display:flex;gap:var(--spacing-sm);flex-wrap:wrap;justify-content:flex-end;align-items:center}@media(max-width:768px){.hostname-group-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.hostname-group-header h3{width:100%}.hostname-group-actions{flex-direction:column;align-items:flex-end;gap:var(--spacing-xs);width:100%}}.nameserver-results{padding:0}.nameserver-result{border-bottom:1px solid var(--gray-200);margin-bottom:0}.nameserver-result:last-child{border-bottom:none}.nameserver-header{padding:var(--spacing-sm)var(--spacing-md);background:var(--gray-50);display:flex;justify-content:space-between;align-items:center}.nameserver-info{display:flex;align-items:center;gap:var(--spacing-sm);font-size:12px;color:var(--gray-600)}.nameserver-info strong{color:var(--gray-800)}.nameserver-ip{font-family:monospace;font-size:11px}.loading-indicator{font-size:11px;color:var(--primary);animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.nameserver-actions{display:flex;gap:var(--spacing-xs)}.nameserver-actions .copy-btn,.nameserver-actions .compare-btn,.nameserver-actions .compare-label{font-size:11px;padding:var(--spacing-xs)var(--spacing-sm)}.nameserver-content{padding:var(--spacing-sm)}.nameserver-content .command-line{margin-top:2px;margin-bottom:var(--spacing-sm)}.nameserver-result .error{margin:var(--spacing-md);background:#ffebee;border:1px solid #ffcdd2;color:var(--danger);padding:var(--spacing-md);border-radius:3px}.shake{animation:shake .55s cubic-bezier(.36,.07,.19,.97)both}@keyframes shake{0%,100%{transform:translateX(0)}10%,30%,50%{transform:translateX(-3px)}20%,40%,60%{transform:translateX(3px)}70%{transform:translateX(-2px)}80%{transform:translateX(2px)}90%{transform:translateX(-1px)}}.ecs-wrapper{position:relative;width:100%}.ecs-wrapper input{width:100%;padding-right:80px;box-sizing:border-box}.ecs-wrapper .set-ecs-btn{position:absolute;right:var(--spacing-xs);top:50%;transform:translateY(-50%);padding:var(--spacing-xs)var(--spacing-md)}@media(max-width:768px){.nameserver-header{flex-direction:column;align-items:flex-start;gap:var(--spacing-sm)}.nameserver-actions{width:100%;flex-wrap:wrap;justify-content:flex-start;gap:var(--spacing-xs)}}.tooltip{border-bottom:1px dotted var(--gray-50);cursor:pointer;position:relative}.tooltip::after,.tooltip::before{backface-visibility:hidden;box-sizing:border-box;opacity:0;pointer-events:none;position:absolute;transform:translate3d(0,0,0);transform-origin:top;visibility:hidden;will-change:opacity,transform}.tooltip::after{background-color:var(--gray-600);border-radius:4px;box-shadow:0 4px 12px rgba(0,0,0,.3);color:var(--gray-50);content:attr(data-tooltip);font-family:var(--font-system);font-size:12px;font-weight:400;left:calc(var(--spacing-sm) * -1);max-width:min(350px,90vw);padding:var(--spacing-sm);right:auto;text-align:left;text-transform:none;top:calc(100% + var(--spacing-sm));transform:scale(0);transform-origin:top var(--spacing-sm);transition:opacity .3s ease-in-out,transform .3s ease-in-out;white-space:initial;width:var(--tooltip-width,max-content);z-index:1000}.tooltip[data-tooltip-position=left]::after{left:auto;right:calc(var(--spacing-sm) * -1);transform-origin:top calc(100% - var(--spacing-sm))}pre .tooltip::after{font-family:inherit;font-size:inherit;font-weight:inherit;text-transform:inherit}.tooltip::before{border:8px solid transparent;border-bottom-color:var(--gray-600);content:'';top:calc(100% + var(--spacing-sm) - 16px);transition:opacity .3s ease-in-out .3s;z-index:1001}.tooltip[data-tooltip-position=left]::before{left:auto;right:0}@media(pointer:fine) and (hover:hover){.tooltip:hover::after,.tooltip:hover::before{opacity:1;visibility:visible}.tooltip:hover::after{transform:scale(1)}}@media(pointer:coarse),(hover:none){.tooltip:focus::after,.tooltip:focus::before{opacity:1;visibility:visible}.tooltip:focus::after{transform:scale(1)}}th.tooltip::after{left:0}th.tooltip::before{left:var(--spacing-sm)}details summary{align-items:center;background:0 0;border:none;color:var(--gray-800);cursor:pointer;display:flex;font-size:14px;font-weight:600;list-style:none;margin:0;padding:0;transition:transform .3s ease}details.privacy-policy summary{color:inherit;display:inline-flex;font-size:inherit;font-weight:inherit}details summary::before{content:'▶';font-size:16px;margin-right:var(--spacing-sm);transition:transform .3s ease}details[open] summary::before{transform:rotate(90deg)}details:not([open]) summary::before{transform:rotate(0)}.comparison-result{width:100%;overflow-x:auto;margin-bottom:var(--spacing-md);border-radius:3px}.comparison-result .result-header{border-bottom:none}.comparison-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--gray-200);border-radius:3px;font-size:13px;table-layout:fixed}.comparison-table td{vertical-align:middle}.comparison-table th{align-content:center;vertical-align:top}.comparison-table th,.comparison-table td{padding:var(--spacing-sm)var(--spacing-md);border:1px solid var(--gray-200);text-align:center}.comparison-table thead th:first-child,.comparison-table tbody th{width:160px;min-width:160px;white-space:nowrap;text-align:center}.comparison-table thead th:not(:first-child),.comparison-table td{width:auto}.comparison-table td pre.none{display:flex;align-items:center;justify-content:center;height:100%;margin:0;padding:0}.comparison-table td pre.none::before{content:'(none)';font-style:italic}.comparison-table thead th{background:var(--gray-50);font-weight:600;color:var(--gray-700);font-size:12px;text-transform:uppercase;letter-spacing:.5px;text-align:center}.comparison-table tbody th{background:var(--gray-50);font-weight:600;color:var(--gray-700);font-size:12px;text-transform:uppercase;letter-spacing:.5px}.comparison-table .group-header th{background:var(--gray-100);font-size:13px;text-transform:none;letter-spacing:normal;text-align:left}.comparison-table .nameserver{font-weight:600;color:var(--gray-800);font-family:var(--font-mono);text-transform:none;white-space:nowrap}.comparison-table .flag{text-align:center;font-family:var(--font-mono)}.comparison-table .match::after{content:'✓';margin-left:5px;color:var(--success);font-family:var(--font-system);font-weight:700}.comparison-table .no-match::after{content:'✗';margin-left:5px;color:var(--danger);font-family:var(--font-system);font-weight:700}.comparison-table .diff{overflow:auto;height:fit-content;font-family:var(--font-mono);font-size:12px;line-height:1.3;background:var(--gray-900);color:#e0e0e0;padding:var(--spacing-sm);border-radius:2px;text-align:left}.comparison-table .diff .added{color:#6f6}.comparison-table .diff .removed{color:#ff4d4d}@media(max-width:768px){.comparison-result{overflow-x:hidden}.comparison-table{border:none}.comparison-table thead{display:none}.comparison-table tbody tr{display:block;margin-bottom:var(--spacing-lg);border:1px solid var(--gray-200);border-radius:4px;background:#fff;box-shadow:0 1px 3px rgba(0,0,0,5%)}.comparison-table tbody th,.comparison-table tbody td{display:block;width:100%;box-sizing:border-box;border-bottom:1px solid var(--gray-200);padding:var(--spacing-sm)var(--spacing-md)}.comparison-table tbody tr>*:last-child{border-bottom:none}.comparison-table tbody td{text-align:center}.comparison-table tbody td:not(:first-child)::before{content:attr(data-nameserver);display:block;font-weight:600;color:var(--gray-800);font-family:var(--font-mono);font-size:11px;margin-bottom:6px;text-align:left;padding:2px 4px;background:var(--gray-100);border-radius:3px;align-self:flex-start}.comparison-table tbody td:not(:first-child) pre,.comparison-table tbody td:not(:first-child) .flag{margin-top:var(--spacing-xs)}.comparison-table .diff{background:var(--gray-900);padding:var(--spacing-sm)var(--spacing-md)}.comparison-table .diff::before{background:#fff;border:1px solid var(--gray-300)}.comparison-table .diff pre{white-space:pre;overflow-x:auto;text-align:left}}