:root{color-scheme:dark;--bg:#0b1220;--panel:#111c2e;--panel2:#142238;--text:#edf4ff;--muted:#9aabc3;--line:#24354d;--accent:#56d6c5;--blue:#82aaff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}.container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.site-header{position:relative;z-index:2;border-bottom:1px solid rgba(151,174,208,.13);background:rgba(11,18,32,.88)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem;letter-spacing:-.04em}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#071722;font-size:.95rem;letter-spacing:-.08em}.brand-dot{color:var(--accent)}nav{display:flex;gap:28px;color:var(--muted);font-size:.92rem}nav a:hover,.text-link:hover{color:var(--accent)}.hero{position:relative;overflow:hidden;border-bottom:1px solid rgba(151,174,208,.12);background:radial-gradient(ellipse at 78% 35%,rgba(47,112,145,.19),transparent 35%),linear-gradient(130deg,#0b1220 25%,#0e1b2d)}.hero-content{position:relative;z-index:1;padding-top:94px;padding-bottom:90px}.eyebrow{color:var(--accent);font-size:.72rem;font-weight:800;letter-spacing:.17em}.pulse{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:9px;box-shadow:0 0 12px var(--accent)}h1,h2,h3,p{margin-top:0}.hero h1{max-width:720px;margin:20px 0 18px;font-size:clamp(2.7rem,6vw,5rem);line-height:1.04;letter-spacing:-.065em}.hero h1 span{color:var(--accent)}.hero-copy{max-width:590px;color:#afbed2;font-size:1.12rem}.primary-button{display:inline-flex;align-items:center;gap:20px;margin-top:18px;padding:12px 18px;border-radius:9px;background:var(--accent);color:#071722;font-weight:800;font-size:.92rem;transition:transform .15s,filter .15s}.primary-button:hover{transform:translateY(-2px);filter:brightness(1.06)}.hero-note{margin-top:25px;color:var(--muted);font-size:.82rem}.check{color:var(--accent);margin-right:7px}.hero-orb{position:absolute;border:1px solid rgba(86,214,197,.15);border-radius:50%;pointer-events:none}.orb-one{width:400px;height:400px;right:6%;top:5%;box-shadow:0 0 0 45px rgba(86,214,197,.025),0 0 0 90px rgba(86,214,197,.018)}.orb-two{width:170px;height:170px;right:15%;top:28%;background:radial-gradient(circle,rgba(86,214,197,.08),transparent 70%)}.section{padding-top:76px;padding-bottom:86px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:35px;margin-bottom:28px}.section-heading h2,.about-inner h2{margin:9px 0 0;font-size:clamp(1.7rem,3vw,2.35rem);letter-spacing:-.045em;line-height:1.2}.section-heading>p{max-width:370px;margin-bottom:2px;color:var(--muted);font-size:.9rem}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.tool-card{min-height:225px;padding:22px;border:1px solid var(--line);border-radius:14px;background:linear-gradient(145deg,rgba(20,34,56,.92),rgba(15,25,42,.92));transition:border-color .2s,transform .2s}.tool-card:hover{border-color:#3b6877;transform:translateY(-3px)}.tool-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:11px;background:rgba(86,214,197,.1);color:var(--accent);font-size:1.35rem}.icon-2,.icon-5{background:rgba(130,170,255,.1);color:var(--blue)}.icon-3,.icon-6{background:rgba(197,155,255,.1);color:#c59bff}.tool-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:17px}.tool-card h3{margin:0;font-size:1.05rem}.status{white-space:nowrap;padding:3px 7px;border:1px solid #34445b;border-radius:99px;color:#a5b4c8;font-size:.64rem}.tool-card p{min-height:44px;margin:9px 0 14px;color:var(--muted);font-size:.84rem}.text-link{color:var(--accent);font-size:.82rem;font-weight:700}.text-link span{margin-left:4px}.about-band{border-top:1px solid rgba(151,174,208,.12);background:#0e1929}.about-inner{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-top:55px;padding-bottom:58px}.about-inner p{margin:0;color:var(--muted)}.site-footer{border-top:1px solid var(--line);color:var(--muted);font-size:.78rem}.footer-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:20px}.error-page{padding-top:100px;padding-bottom:110px}.error-code{color:var(--accent);font-size:5rem;font-weight:900;letter-spacing:-.07em}.error-page h1{font-size:2.3rem}.error-page p{color:var(--muted)}@media(max-width:800px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section-heading{align-items:start;flex-direction:column;gap:10px}.about-inner{grid-template-columns:1fr;gap:20px}.orb-one{right:-220px}}@media(max-width:560px){.container{width:min(100% - 28px,1120px)}.nav{height:65px}nav{gap:16px;font-size:.83rem}.hero-content{padding-top:68px;padding-bottom:65px}.hero h1{font-size:2.75rem}.hero-copy{font-size:1rem}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:0}.tool-card p{min-height:0}.footer-inner{align-items:flex-start;justify-content:center;flex-direction:column;padding-top:16px;padding-bottom:16px;gap:2px}.section{padding-top:55px;padding-bottom:60px}}

/* Tool pages */
.tool-page{padding-top:64px;padding-bottom:82px;min-height:calc(100vh - 150px)}
.tool-page-title{margin:15px 0 12px;font-size:clamp(2.5rem,5vw,4rem);line-height:1.08;letter-spacing:-.06em}
.tool-page-title span{color:var(--accent)}
.tool-page-intro{max-width:700px;color:var(--muted);font-size:1.02rem;margin-bottom:30px}
.lookup-form,.result-panel{max-width:850px;padding:25px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(20,34,56,.95),rgba(15,25,42,.95))}
.lookup-form label{display:block;font-size:.88rem;font-weight:750;margin-bottom:9px}
.lookup-input-row{display:flex;gap:12px}
.lookup-input-row input{min-width:0;flex:1;padding:13px 14px;border:1px solid #34445b;border-radius:9px;background:#0b1423;color:var(--text);font:inherit;outline:none}
.lookup-input-row input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(86,214,197,.12)}
.lookup-button{border:0;margin:0;cursor:pointer;font:inherit;font-weight:800;white-space:nowrap}
.form-help{color:var(--muted);font-size:.78rem;margin:10px 0 0}
.message{max-width:850px;margin-top:18px;padding:13px 16px;border-radius:9px}
.error-message{border:1px solid #743d4a;background:rgba(160,45,67,.12);color:#ffc1ca}
.result-panel{margin-top:22px}
.result-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.result-heading h2{margin:7px 0 0;font-size:clamp(1.3rem,3vw,2rem);overflow-wrap:anywhere}
.scope-badge{border:1px solid rgba(86,214,197,.35);background:rgba(86,214,197,.09);color:var(--accent);padding:5px 10px;border-radius:99px;font-size:.75rem;white-space:nowrap}
.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px}
.result-item{padding:17px 0;border-bottom:1px solid rgba(151,174,208,.1);min-width:0}
.result-item span,.result-item small{display:block;color:var(--muted);font-size:.78rem}
.result-item strong{display:block;margin-top:4px;font-size:.98rem;font-weight:700}
.result-item small{margin-top:4px}
.result-item-wide{grid-column:1/-1}
.break-value{overflow-wrap:anywhere}
.result-note{margin:18px 0 0;color:var(--muted);font-size:.78rem}
.tool-back-link{margin-top:24px}
.coming-soon{color:var(--muted);font-size:.82rem;font-weight:700}
@media(max-width:600px){.tool-page{padding-top:45px}.lookup-form,.result-panel{padding:18px}.lookup-input-row{flex-direction:column}.lookup-button{justify-content:center}.result-heading{align-items:flex-start;flex-direction:column}.result-grid{grid-template-columns:1fr}.result-item-wide{grid-column:auto}}


/* DNS lookup results */
.dns-record-list{margin-top:10px}
.dns-record-group{padding:18px 0;border-bottom:1px solid var(--line)}
.dns-record-group:last-child{border-bottom:0}
.dns-record-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.dns-record-heading h3{margin:0;color:var(--accent);font-size:1rem;letter-spacing:.04em}
.dns-record-heading span,.dns-empty{color:var(--muted);font-size:.8rem}
.dns-empty{margin:0}
.dns-table-wrap{overflow-x:auto}
.dns-table{width:100%;border-collapse:collapse;font-size:.84rem}
.dns-table th,.dns-table td{text-align:left;padding:10px;border-bottom:1px solid rgba(36,53,77,.65);vertical-align:top}
.dns-table th{color:var(--muted);font-size:.72rem;font-weight:700}
.dns-table td:first-child{width:85%}
.dns-value{white-space:pre-wrap;overflow-wrap:anywhere;color:var(--text);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.copy-button{margin-left:10px;padding:4px 8px;border:1px solid #34445b;border-radius:6px;background:#0b1423;color:var(--accent);font:inherit;font-size:.72rem;cursor:pointer}
.copy-button:hover{border-color:var(--accent)}
@media(max-width:560px){.lookup-input-row{flex-direction:column}.lookup-button{justify-content:center}.dns-table th,.dns-table td{padding:8px 5px}.copy-button{margin:6px 0 0;display:block}}


/* Domain tools */
.domain-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}
.domain-detail{padding:14px;border:1px solid var(--line);border-radius:10px;min-width:0}
.domain-detail span{display:block;color:var(--muted);font-size:.78rem;margin-bottom:8px}
.domain-detail strong{display:block;overflow-wrap:anywhere;font-size:.92rem}
.section-subtitle{font-size:1rem;margin:24px 0 10px}
@media(max-width:560px){.domain-detail-grid{grid-template-columns:1fr}}


/* SSL certificate checker */
.ssl-status-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
.ssl-status-card{border:1px solid var(--line);border-radius:10px;padding:14px;min-width:0}
.ssl-status-card span{display:block;color:var(--muted);font-size:.78rem;margin-bottom:9px}
.ssl-status-card strong{display:block;font-size:.9rem;overflow-wrap:anywhere}
.status-good{color:#58d6c5}.status-warn{color:#f5c46a}.status-bad{color:#ff8585}
.break-value{overflow-wrap:anywhere;word-break:break-word}
.fingerprint-row{display:flex;align-items:flex-start;gap:12px;justify-content:space-between;padding:14px;border:1px solid var(--line);border-radius:10px;background:rgba(11,20,35,.5)}
.fingerprint-row .dns-value{overflow-wrap:anywhere}
@media(max-width:700px){.ssl-status-grid{grid-template-columns:1fr}.fingerprint-row{flex-direction:column}}


/* Network diagnostics */
.port-options{border:0;padding:0;margin:18px 0 0;display:flex;flex-wrap:wrap;gap:8px}
.port-options legend{width:100%;font-weight:700;font-size:.9rem;margin-bottom:10px}
.port-option{display:inline-flex;align-items:center;gap:7px;padding:8px 10px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:.82rem;cursor:pointer}
.port-option input{accent-color:var(--accent);margin:0}
.info-message{border:1px solid var(--line);border-radius:10px;padding:12px 16px;color:var(--muted);background:rgba(18,31,50,.75);margin:16px 0}
.info-message p{margin:4px 0}
.status-good{color:#58d6c5}.status-warn{color:#f5c46a}.status-bad{color:#ff8585}


/* Security checks */
.security-check-list{display:grid;gap:10px;margin-top:18px}
.security-check{border:1px solid var(--line);border-radius:12px;padding:14px 16px;background:rgba(13,24,41,.32);min-width:0}
.security-check-title{display:flex;align-items:flex-start;justify-content:space-between;gap:14px}
.security-check-title strong{overflow-wrap:anywhere}
.security-check p{margin:8px 0 0;color:var(--muted);font-size:.9rem;overflow-wrap:anywhere;white-space:normal}
.security-status{flex:0 0 auto;font-size:.7rem;font-weight:800;letter-spacing:.08em;border-radius:999px;padding:4px 8px;border:1px solid var(--line)}
.status-pass{color:#58d6c5}.status-warn{color:#f5c46a}.status-fail{color:#ff8585}.status-unknown,.status-info{color:var(--muted)}
.result-note code,.security-check code{overflow-wrap:anywhere;word-break:break-word}


/* Email diagnostics */
.selector-label{display:block;margin-top:18px}
.optional-label{color:var(--muted);font-weight:400;font-size:.85em}
.email-check-list{display:grid;gap:12px;margin-top:18px}
.email-check{border:1px solid var(--line);border-radius:12px;padding:16px;background:rgba(13,24,41,.32);min-width:0}
.email-check-title{display:flex;justify-content:space-between;align-items:flex-start;gap:14px}
.email-check-title h3{margin:0;font-size:1.05rem}
.email-summary{margin:5px 0 0;color:var(--text)}
.email-record-values{display:grid;gap:8px;margin-top:12px}
.email-record-value{display:flex;align-items:flex-start;gap:10px;justify-content:space-between;border:1px solid var(--line);border-radius:8px;padding:10px;min-width:0}
.email-record-value code{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word;min-width:0}
.email-advice{margin:12px 0 0;color:var(--muted);font-size:.9rem;line-height:1.55}
@media(max-width:600px){.email-check-title{gap:8px}.email-check{padding:12px}.email-record-value{gap:6px}}


/* DNS propagation checker */
.propagation-summary{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:16px 0}
.propagation-resolvers{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}
.propagation-resolver{border:1px solid var(--line);border-radius:12px;padding:14px;background:rgba(13,24,41,.32);min-width:0}
.resolver-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.resolver-heading h3{margin:0;font-size:1rem}
.resolver-heading p,.resolver-ttl{margin:4px 0 0;color:var(--muted);font-size:.8rem}
.resolver-state{font-size:.72rem;color:var(--muted);text-align:right}
.resolver-values{display:grid;gap:7px;margin-top:12px}
.resolver-value{border:1px solid var(--line);border-radius:7px;padding:8px;min-width:0}
.resolver-value code{white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}
.resolver-empty{color:var(--muted);font-size:.85rem}
#record_type{width:100%;margin-top:8px;background:var(--surface);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:12px}
@media(max-width:850px){.propagation-resolvers{grid-template-columns:1fr}}


/* IP and subnet calculator */
.subnet-tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;max-width:1000px;margin-bottom:22px}
.subnet-form-card{max-width:none;min-width:0}
.subnet-form-card h2{font-size:1.12rem;margin:0 0 4px}
.subnet-form-card input[type=text]{display:block;width:100%;min-width:0;padding:12px 13px;border:1px solid var(--line);border-radius:8px;background:rgba(8,15,27,.75);color:var(--text);font:inherit}
.subnet-form-card input[type=text]:focus{outline:2px solid var(--accent);outline-offset:2px}
.subnet-label-gap{margin-top:14px}
.subnet-form-card .primary-button{border:0;cursor:pointer}
.subnet-result{max-width:1000px;margin-top:20px}
.subnet-list-heading{margin:24px 0 10px}
.subnet-cidr-list{display:grid;gap:8px}
.subnet-cidr-list .email-record-value{align-items:center}
.copy-cidr{flex:0 0 auto;border:1px solid var(--line);border-radius:7px;background:rgba(86,214,197,.08);color:var(--accent);padding:6px 10px;cursor:pointer}
.subnet-overlap-result{margin:18px 0 0;padding:14px;border:1px solid var(--line);border-radius:9px;font-weight:750}
@media(max-width:760px){.subnet-tool-grid{grid-template-columns:1fr}}

/* Website HTTP checker */
.summary-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}
.summary-card{padding:15px;border:1px solid var(--line);border-radius:10px;min-width:0;background:rgba(11,20,35,.45)}
.summary-card span{display:block;color:var(--muted);font-size:.78rem;margin-bottom:6px}
.summary-card strong{display:block;font-size:1.05rem;overflow-wrap:anywhere}
@media(max-width:600px){.summary-grid{grid-template-columns:1fr}}


/* Website availability checker */
.availability-panel,.availability-result{max-width:1000px}
.availability-form label{display:block;font-weight:700;margin-bottom:10px}
.availability-input-row{display:flex;gap:12px;align-items:stretch}
.availability-input-row input{flex:1;min-width:0;padding:13px 14px;border:1px solid var(--line);border-radius:9px;background:rgba(8,15,27,.75);color:var(--text);font:inherit}
.availability-input-row input:focus{outline:2px solid var(--accent);outline-offset:2px}
.availability-input-row .primary-button{border:0;cursor:pointer;white-space:nowrap}
.form-hint,.muted{color:var(--muted);font-size:.86rem}
.form-hint{margin:12px 0 0}
.error-panel{margin-top:18px;border-color:rgba(255,100,100,.45)}
.error-panel p{margin-bottom:0}
.availability-result{margin-top:22px}
.availability-result-heading{display:flex;gap:20px;align-items:flex-start;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line)}
.availability-result-heading h2{overflow-wrap:anywhere;margin:10px 0;font-size:clamp(1.25rem,3vw,2rem)}
.availability-badge{display:inline-flex;white-space:nowrap;padding:7px 11px;border-radius:999px;font-size:.8rem;font-weight:750}
.availability-badge.is-up{color:#56d6c5;border:1px solid rgba(86,214,197,.4);background:rgba(86,214,197,.08)}
.availability-badge.is-down{color:#ff9a9a;border:1px solid rgba(255,100,100,.4);background:rgba(255,100,100,.08)}
.availability-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:20px 0}
.availability-stats>div{min-width:0;padding:15px;border:1px solid var(--line);border-radius:10px;background:rgba(8,15,27,.35)}
.availability-stats span,.availability-redirect small{display:block;color:var(--muted);font-size:.82rem;margin-bottom:8px}
.availability-stats strong{overflow-wrap:anywhere}
.availability-subheading{margin:24px 0 12px;font-size:1.05rem}
.availability-redirects{display:grid}
.availability-redirect{display:grid;grid-template-columns:60px minmax(0,1fr) minmax(0,1fr);gap:14px;padding:13px 8px;border-bottom:1px solid var(--line);align-items:start}
.availability-redirect code{overflow-wrap:anywhere;font-size:.82rem}
.redirect-code{font-weight:750;color:var(--accent)}
.availability-no-redirects{margin-bottom:0}
@media(max-width:760px){.availability-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.availability-input-row{flex-direction:column}.availability-input-row .primary-button{width:100%}.availability-result-heading{flex-direction:column}.availability-redirect{grid-template-columns:48px minmax(0,1fr)}.availability-redirect>div:last-child{grid-column:2}}

/* HTTP Security Headers Analyzer */
.diagnostic-panel{margin:22px 0;padding:26px;border:1px solid var(--line);border-radius:15px;background:linear-gradient(145deg,rgba(20,34,56,.92),rgba(15,25,42,.92))}
.diagnostic-panel label{display:block;margin-bottom:8px;font-weight:750}
.url-form-row{display:flex;align-items:stretch;gap:12px}
.url-form-row input{min-width:0;flex:1;padding:13px 15px;border:1px solid var(--line);border-radius:9px;background:#091321;color:var(--text);font:inherit}
.url-form-row input:focus{outline:2px solid rgba(86,214,197,.55);outline-offset:1px}
.url-form-row .primary-button{margin:0;border:0;cursor:pointer;white-space:nowrap}
.form-note{margin:12px 0 0;color:var(--muted);font-size:.82rem}
.notice{margin:18px 0;padding:13px 16px;border:1px solid var(--line);border-radius:10px}
.notice-error{border-color:#8c4651;background:rgba(140,70,81,.12)}
.notice-warning{border-color:#8b7440;background:rgba(139,116,64,.12);color:#f0d99a;margin-top:20px}
.result-panel{margin-top:28px}
.result-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}
.result-url{margin:8px 0 0;overflow-wrap:anywhere;font-size:clamp(1.3rem,3vw,2rem);letter-spacing:-.04em}
.status-pill{padding:5px 11px;border:1px solid #276e70;border-radius:999px;color:var(--accent);font-size:.78rem;white-space:nowrap}
.metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:20px 0}
.metric-card{padding:16px;border:1px solid var(--line);border-radius:11px;background:rgba(9,19,33,.55)}
.metric-card span,.header-value span{display:block;color:var(--muted);font-size:.78rem}
.metric-card strong{display:block;margin-top:5px;font-size:1.2rem}
.header-check-list{display:grid;gap:12px;margin-top:22px}
.header-check{padding:18px;border:1px solid var(--line);border-radius:11px;background:rgba(9,19,33,.35)}
.header-check-top{display:flex;justify-content:space-between;align-items:center;gap:12px}
.header-check h3{margin:0;font-size:1rem}
.header-check>p{margin:9px 0;color:var(--muted);font-size:.88rem}
.finding{padding:3px 9px;border:1px solid var(--line);border-radius:99px;font-size:.72rem;font-weight:750;white-space:nowrap}
.finding-good{color:var(--accent);border-color:#276e70}
.finding-missing{color:#ffb1b1;border-color:#8c4651}
.finding-neutral{color:#c6d1e1}
.header-value{padding:10px 12px;border-radius:8px;background:rgba(20,34,56,.7);overflow-wrap:anywhere}
.header-value code{display:block;margin-top:4px;font-size:.82rem;white-space:pre-wrap;overflow-wrap:anywhere}
.recommendation{padding-top:3px}
.disclaimer{margin:20px 0 0;color:var(--muted);font-size:.78rem}
@media(max-width:650px){.url-form-row{flex-direction:column}.url-form-row .primary-button{justify-content:center}.metric-grid{grid-template-columns:1fr}.result-heading{flex-direction:column}.header-check-top{align-items:flex-start}}