:root{color-scheme:dark;--bg:#111315;--panel:#191c1f;--line:#303438;--text:#f1f2f3;--muted:#a0a6ad;--blue:#49b2ff;--orange:#ff942f}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.6 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--blue);text-decoration:none}a:hover{color:#91d0ff}button,input,select,textarea{font:inherit}button{cursor:pointer}button[hidden]{display:none}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--orange);outline-offset:5px}h1,h2,h3,p,dl,dd{margin:0}h1,h2,h3{line-height:1.25}code,.ip-address{font-family:Consolas,"Liberation Mono",monospace}
.shell{width:min(1120px,calc(100% - 64px));margin-inline:auto}
.site-header{border-bottom:1px solid var(--line);background:#141618}
.header-inner{min-height:96px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:13px;color:var(--text);font-size:23px;font-weight:800;letter-spacing:-.9px}
.brand-blue{color:var(--blue)}
.brand-domain{color:var(--muted);font-weight:400;font-size:18px}
.brand-mark{font:28px Consolas,monospace;color:var(--muted);letter-spacing:1px}
.brand-mark b{color:var(--orange)}
.site-nav{display:flex;gap:32px;align-items:center}
.site-nav a{font-size:13px;color:#b9bec4}
.site-nav a:hover{color:var(--text)}
.site-nav a:last-child span{margin-left:8px;color:var(--orange)}
.page-intro{display:flex;justify-content:space-between;gap:16px;margin:40px 0 20px}
.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.7px;color:var(--muted)}
.intro-note{font-size:12px;color:#9199a2}
.ip-panel{border:1px solid #494037;border-top:3px solid var(--orange);border-radius:12px;background:linear-gradient(110deg,#24211e,#191c1f 70%);padding:30px 36px 0;overflow:hidden}
.ip-topline,.ip-main,.ip-bottom{display:flex;align-items:center;justify-content:space-between;gap:24px}
.ip-topline h1{font-size:17px;font-weight:500;color:#d3d5d8}
.badge{font-size:10px;letter-spacing:1px;color:#dfb083;background:#322920;border:1px solid #574331;border-radius:5px;padding:5px 10px;white-space:nowrap}
.ip-main{padding:18px 0 28px}
.ip-address{font-size:clamp(30px,5.7vw,72px);line-height:1.25;letter-spacing:-3px;font-weight:700;color:var(--orange);overflow-wrap:anywhere;min-width:0}
.copy-button{flex-shrink:0;border:1px solid #535353;background:#292b2d;color:var(--text);padding:10px 16px;border-radius:6px;font-size:13px}
.copy-button span{margin-left:16px}
.copy-button:hover{border-color:var(--orange);background:#34302a}
.ip-bottom{border-top:1px solid #393632;padding:16px 0;font-size:12px;color:var(--muted)}
.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--orange);margin-right:9px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.section-heading h2{font-size:20px;font-weight:600;letter-spacing:-.5px}
.section-heading>span{font-size:12px;color:var(--muted)}
.connection-section{margin-top:32px}
.connection-grid{display:grid;grid-template-columns:2fr 1fr 1.5fr;border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#17191c}
.connection-grid>div{padding:19px 24px;border-right:1px solid var(--line);min-width:0}
.connection-grid>div:nth-child(3){border-right:0}
.connection-grid dt{font-size:9px;letter-spacing:1.4px;color:var(--muted);margin-bottom:7px}
.connection-grid dd{font:13px/1.7 Consolas,monospace;overflow-wrap:anywhere;color:#d4d8dc}
.connection-grid .agent-detail{grid-column:1/-1;border-top:1px solid var(--line);border-right:0;display:grid;grid-template-columns:160px 1fr;align-items:baseline;padding-block:15px}
.agent-detail dt{margin:0}
.agent-detail dd{font-size:11px;color:var(--muted)}
.tools-section{margin-top:48px}
.tools-section .eyebrow{display:block;margin-bottom:10px}
.tool-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.tool-card{position:relative;border:1px solid var(--line);border-radius:9px;padding:22px;background:var(--panel);color:var(--text);transition:border-color .15s,transform .15s}
.tool-card:hover{color:var(--text);border-color:#69727b;transform:translateY(-3px)}
.tool-icon{display:block;color:var(--blue);font:28px/1.2 Consolas,monospace;margin-bottom:22px}
.tool-arrow{position:absolute;right:21px;top:21px;color:#69727b}
.tool-card h3{font-size:16px;margin-bottom:9px}
.tool-card p{font-size:12px;line-height:1.65;color:var(--muted);min-height:40px}
.tool-action{display:block;margin-top:20px;font-size:11px;color:var(--blue)}
.cli-section{margin:44px 0 48px;padding-top:36px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1.35fr;gap:24px 48px}
.cli-intro h2{font-size:29px;letter-spacing:-.8px;max-width:300px;margin:15px 0}
.cli-intro p{font-size:13px;line-height:1.9;color:var(--muted);margin-bottom:20px}
.cli-intro>a{font-size:12px}
.terminal{border:1px solid #384047;border-radius:9px;background:#0c0f11;overflow:hidden;min-width:0}
.terminal-bar{display:flex;justify-content:space-between;background:#20252a;color:var(--muted);padding:10px 20px;font:11px Consolas,monospace}
.terminal-bar>span:last-child{font-size:9px;letter-spacing:1px}
.command-row{padding:15px 20px;border-bottom:1px solid #23292d}
.command-row:last-child{border:0}
.command-label{display:block;font-size:8px;letter-spacing:1.4px;color:#909aa4;margin-bottom:7px}
.command-row>div{display:flex;justify-content:space-between;gap:8px}
.command-row code{font-size:12px;overflow-wrap:anywhere;min-width:0;color:#dbe4ec}
.prompt{color:var(--orange)}
.command-copy{padding:0 6px;background:transparent;border:1px solid #424a50;border-radius:4px;color:var(--muted);font-size:10px}
.endpoint-details{grid-column:1/-1;font-size:12px;color:var(--muted)}
.endpoint-details summary{cursor:pointer;width:fit-content}
.endpoint-details p{margin-top:12px;max-width:850px}
.endpoint-details code{color:#c5d4e1}
.site-footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:26px 0 35px;gap:24px}
.footer-brand{font-size:13px;font-weight:700;letter-spacing:.5px;color:#d3d8dc}
.footer-brand span{font-weight:400;color:var(--muted)}
.site-footer p{font-size:11px;color:var(--muted);margin-top:5px}
.footer-links{display:flex;gap:24px;font-size:11px;color:#8e969e}
.footer-links a{color:var(--muted)}
.skip-link{position:absolute;left:24px;top:-100px;padding:8px;background:var(--panel);z-index:2}
.skip-link:focus{top:8px}
.copy-status{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#2b3339;color:var(--text);border-radius:6px;font-size:13px;z-index:5}
.copy-status:not(:empty){padding:10px 20px;border:1px solid #58626b}
/* Shared styling for the existing PHP tools. */
.legacy #main{width:auto;margin:0;background:none;padding:0;border-radius:0}
.legacy .site-header{height:auto}
.legacy .site-nav{width:auto;height:auto;margin:0;padding:0;border:0;background:none;border-radius:0}
.legacy .site-header a{font-family:inherit;text-shadow:none}
.legacy #site_content{display:flex;gap:32px;width:min(1120px,calc(100% - 64px));margin:40px auto;padding:0;overflow:visible;align-items:flex-start;min-height:430px}
.legacy .content{float:none;order:0;flex:1;min-width:0;width:auto;margin:0;padding:30px;border:1px solid var(--line);border-radius:10px;background:var(--panel);font-size:15px;overflow-wrap:anywhere}
.legacy #sidebar_container{float:none;order:1;width:245px;flex-shrink:0;padding:0}
.legacy .sidebar{float:none;width:auto;margin:0;padding:24px;background:var(--panel);border:1px solid var(--line);border-radius:10px}
.legacy .sidebar h3,.legacy .content h1,.legacy .content h2{padding:0;margin:0 0 20px;color:var(--text);font:600 24px/1.3 system-ui,sans-serif;text-shadow:none;letter-spacing:-.5px}
.legacy .sidebar h3{font-size:16px}
.sidebar-links{display:flex;flex-direction:column;gap:12px}
.sidebar-links a{display:flex;justify-content:space-between;font-size:13px}
.sidebar-note{margin-top:28px!important;font-size:12px;color:var(--muted)}
.legacy p{padding:0 0 16px}
.legacy .form_settings span{width:160px}
.legacy .form_settings input,.legacy .form_settings textarea,.legacy .form_settings select{max-width:100%;background:#111518;color:var(--text);border:1px solid #515960;padding:10px;border-radius:6px;font:14px system-ui,sans-serif}
.legacy .form_settings .submit{background:var(--orange);color:#161616;font-weight:700;border:0;text-shadow:none;cursor:pointer;width:auto;padding:10px 24px;height:auto}
.legacy .form_settings p{margin-bottom:10px}
.legacy table{width:100%;border-collapse:collapse}
.legacy table tr td,.legacy table tr th{background:#1a2025;color:var(--text);padding:12px;border:1px solid var(--line);overflow-wrap:anywhere}
.legacy pre{white-space:pre-wrap;overflow-wrap:anywhere}
.legacy .site-footer{width:min(1120px,calc(100% - 64px));height:auto;font:15px/1.6 system-ui,sans-serif;text-shadow:none;text-align:left;border:0;border-top:1px solid var(--line);border-radius:0;background:none}
.legacy .site-footer p{padding:0}
.legacy .footer-links a{color:var(--muted)}
@media(max-width:850px){.tool-grid{grid-template-columns:repeat(2,1fr)}
.cli-section{gap:24px;grid-template-columns:1fr 1.3fr}
.legacy #site_content{gap:20px}
.legacy #sidebar_container{width:200px}
.legacy .form_settings span{float:none;display:block;width:auto}
.legacy .form_settings input,.legacy .form_settings select,.legacy .form_settings textarea{width:100%}
.legacy .form_settings .submit{margin-left:0}
.footer-links{gap:15px}}
@media(max-width:600px){.shell{width:calc(100% - 36px)}
.header-inner{min-height:110px;flex-direction:column;align-items:flex-start;justify-content:center;gap:14px}
.brand{font-size:20px}
.site-nav{gap:24px}
.site-nav a{font-size:11px}
.page-intro{margin-top:25px}
.intro-note{display:none}
.eyebrow{font-size:9px}
.ip-panel{padding:20px 18px 0}
.ip-topline{gap:10px}
.ip-topline h1{font-size:14px}
.badge{font-size:8px;padding:4px 6px}
.ip-main{flex-wrap:wrap;gap:16px;padding:23px 0}
.ip-address{font-size:clamp(26px,8vw,46px);letter-spacing:-1.5px}
.copy-button{padding:7px 12px;font-size:12px}
.ip-bottom{align-items:flex-start;flex-direction:column;gap:8px;font-size:11px}
.section-heading>span{display:none}
.connection-grid{grid-template-columns:1fr 1fr}
.connection-grid>div{padding:15px}
.connection-grid>div:first-child{grid-column:1/-1;border-bottom:1px solid var(--line);border-right:0}
.connection-grid .agent-detail{display:block}
.agent-detail dt{margin-bottom:7px}
.tools-section{margin-top:34px}
.tool-grid{gap:10px}
.tool-card{padding:17px}
.tool-card h3{font-size:15px}
.tool-card p{font-size:11px}
.tool-action{font-size:10px}
.tool-icon{margin-bottom:17px}
.cli-section{grid-template-columns:1fr;margin-top:30px}
.cli-intro h2{max-width:none;font-size:27px}
.cli-intro p{margin-bottom:12px}
.site-footer{align-items:flex-start;flex-direction:column;gap:18px}
.footer-links{flex-wrap:wrap;font-size:10px}
.legacy #site_content{width:calc(100% - 36px);flex-direction:column;margin:24px auto}
.legacy .content{width:100%;padding:22px}
.legacy #sidebar_container{width:100%}
.legacy .site-footer{width:calc(100% - 36px)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}
.tool-card{transition:none}
.tool-card:hover{transform:none}}

/* Network tool forms and asynchronously rendered results. */
.lookup-form{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin:24px 0}
.lookup-field{flex:1;min-width:160px}.lookup-field label{display:block;font-size:12px;color:var(--muted);margin-bottom:7px}
.lookup-field input,.lookup-field select{width:100%;min-height:44px;border:1px solid #515960;border-radius:6px;background:#111518;color:var(--text);padding:10px 12px}
.lookup-choice{flex:0 0 130px;min-width:100px}.lookup-submit{min-height:44px;border:0;border-radius:6px;padding:10px 20px;background:var(--orange);color:#161616;font-weight:700}
.lookup-submit:disabled{opacity:.65;cursor:wait}.lookup-status{color:var(--muted);font-size:12px;min-height:20px}
.lookup-results:not(:empty){margin-top:20px;padding-top:24px;border-top:1px solid var(--line)}
.legacy .lookup-results h2{font-size:18px}.lookup-results>p{font-size:13px;color:var(--muted)}
.lookup-results .lookup-error{padding:16px;border:1px solid #985a38;border-radius:6px;color:#ffd2ac;background:#30251d}
.result-table-wrap{overflow-x:auto;margin-top:16px}.legacy .result-table-wrap table{margin:0 0 16px;font-size:12px;min-width:460px;table-layout:fixed}.legacy .result-table-wrap th{font-weight:600;text-align:left}.legacy .result-table-wrap td{vertical-align:top;font-family:Consolas,monospace}.legacy .result-table-wrap th:nth-child(2){width:65px}.legacy .result-table-wrap th:nth-child(3){width:100px}
.lookup-results pre{background:#101416;border:1px solid var(--line);padding:18px;border-radius:6px;font:12px/1.8 Consolas,monospace;max-height:650px;overflow:auto}.lookup-timing{font-size:11px!important}
@media(max-width:600px){.lookup-field{flex-basis:100%}.lookup-choice{flex:1}.lookup-submit{flex:1}.legacy .lookup-results h2{font-size:17px}}

/* Standalone layout for the remaining contact form; no legacy stylesheet needed. */
.legacy .form_settings{margin-top:15px}.legacy .form_settings span{display:inline-block;vertical-align:top}
.legacy .form_settings input,.legacy .form_settings textarea,.legacy .form_settings select{width:300px}
.legacy .form_settings .submit{width:auto}.legacy .form_settings textarea{resize:vertical}
@media(max-width:850px){.legacy .form_settings span{display:block}.legacy .form_settings input,.legacy .form_settings textarea,.legacy .form_settings select{width:100%}.legacy .form_settings .submit{width:auto}}

.tool-sources{font-size:12px;color:var(--muted)}
.legacy.mail-tool .result-table-wrap th:first-child{width:27%}
.legacy.mail-tool .result-table-wrap th:nth-child(2){width:115px}
.legacy.mail-tool .result-table-wrap th:nth-child(3){width:auto}
.mail-tool .result-table-wrap td:nth-child(2){font-family:inherit;font-weight:600}
@media(min-width:851px){.tool-grid{grid-template-columns:repeat(3,1fr)}}

.legacy table td.status-bad{color:#ff9e96}.legacy table td.status-good{color:#8cddae}.legacy table td.status-warning{color:#f6c377}

@media(max-width:850px){.legacy #site_content{flex-direction:column}.legacy .content,.legacy #sidebar_container{width:100%}}
@media(max-width:600px){
.legacy.mail-tool .result-table-wrap table{min-width:0;display:block}
.mail-tool .result-table-wrap thead{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.mail-tool .result-table-wrap tbody{display:block}
.mail-tool .result-table-wrap tr{display:grid;grid-template-columns:minmax(0,1fr) 115px;margin-bottom:12px;border:1px solid var(--line)}
.legacy.mail-tool .result-table-wrap td{display:block;border:0;min-width:0}
.mail-tool .result-table-wrap td:nth-child(3){grid-column:1/-1;border-top:1px solid var(--line)}
}

/* Shared, static HTTP error pages. */
.error-page{min-height:100vh;display:flex;flex-direction:column}
.error-main{flex:1;display:grid;align-items:center;padding-block:48px}
.error-panel{width:100%;max-width:780px;margin-inline:auto;padding:clamp(24px,5vw,56px);border:1px solid var(--line);border-top:3px solid var(--orange);border-radius:12px;background:linear-gradient(130deg,#24211e,var(--panel) 65%)}
.error-code{font:700 clamp(72px,15vw,128px)/1.2 Consolas,monospace;color:var(--orange);letter-spacing:-5px;margin:12px 0}
.error-panel h1{font-size:clamp(25px,4vw,36px)}
.error-message{max-width:540px;margin-top:16px;color:var(--muted)}
.error-actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px;margin-top:30px}
.error-home{display:inline-block;padding:11px 18px;border-radius:6px;background:var(--orange);color:#111315;font-weight:700}
.error-home:hover{background:#ffaf61;color:#111315}