:root{color-scheme:dark;--bg:#101216;--surface:#191c22;--line:#2a2e36;--text:#f3f4f6;--muted:#a1a8b5;--accent:#85baff;--good:#8cd5ae;--warn:#e6c58a}
*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}button:disabled{cursor:wait;opacity:.5}button,a,summary{touch-action:manipulation}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}
.tools-page{min-height:100dvh}.tools-header{border-bottom:1px solid var(--line)}.tools-header-inner{max-width:1168px;padding:22px 24px;margin:auto;display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:750;font-size:26px;letter-spacing:-1px;flex-shrink:0}.brand img{width:36px;height:36px}.header-links{display:flex;gap:28px;color:var(--muted);font-size:14px}.header-links a:hover{color:var(--text)}
.tools-main{max-width:1168px;margin:0 auto;padding:52px 24px 72px}.tools-back{display:inline-flex;color:var(--muted);font-size:14px;margin-bottom:26px;gap:10px;align-items:center}.tools-back:hover{color:var(--text)}.tools-hero{margin-bottom:30px}.tools-hero h1{font-size:clamp(32px,4vw,46px);font-weight:650;letter-spacing:-1.5px;line-height:1.15;margin:0 0 14px;text-wrap:balance}.tools-hero p{color:var(--muted);margin:0;max-width:650px;font-size:17px}
.tools-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin:0 0 32px;font-size:14px;overflow-x:auto}.tools-tabs a{white-space:nowrap;color:var(--muted);padding:14px 0;border-bottom:2px solid transparent}.tools-tabs a[aria-current]{color:var(--text);border-color:var(--accent)}
.ip-workspace{border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden}.ip-overview{display:grid;grid-template-columns:1.2fr 1fr}.ip-primary{padding:36px;position:relative;isolation:isolate;min-width:0}.ip-primary::before{content:'';position:absolute;inset:12px;z-index:-1;opacity:.055;background:url('/assets/world-map.min.svg') center/contain no-repeat;filter:grayscale(1)}.field-label{color:var(--muted);font-size:14px}.ip-heading{display:flex;align-items:center;gap:12px}.protocol{font:12px/1.5 ui-monospace,monospace;padding:2px 7px;border:1px solid #444b57;border-radius:5px;color:#c9d0dc}.tools-ip{display:block;font:600 clamp(26px,3.8vw,46px)/1.3 ui-monospace,SFMono-Regular,Consolas,monospace;letter-spacing:-1.8px;overflow-wrap:anywhere;margin:18px 0 26px}.tools-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.tools-button{border:1px solid transparent;border-radius:8px;min-height:44px;padding:10px 18px;font-size:14px;font-weight:600;transition:background .15s,transform .15s}.tools-button:active{transform:translateY(1px)}.tools-button.primary{background:var(--accent);color:#0b1b30}.tools-button.primary:hover{background:#a7cfff}.tools-button.secondary{background:transparent;border-color:#464d59;color:var(--text)}.tools-button.secondary:hover{background:#282d36}.text-button{border:0;background:transparent;color:#c0c8d5;padding:8px 0;font-size:14px}.text-button:hover{color:var(--text)}
.ip-network{padding:36px;border-left:1px solid var(--line)}.ip-network h2{font-size:14px;color:var(--muted);font-weight:400;margin:0 0 12px}.network-holder{font-size:21px;font-weight:600;line-height:1.4;overflow-wrap:anywhere;margin:0 0 24px}.network-meta{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0}.network-meta dt{font-size:12px;color:var(--muted);margin-bottom:4px}.network-meta dd{font-size:15px;margin:0;overflow-wrap:anywhere}.network-meta .full{grid-column:1/-1}.ip-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px 20px;padding:16px 36px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.ip-bottom a{text-decoration:underline;text-underline-offset:3px}.ip-status{margin:0;font-size:13px;color:var(--muted)}.ip-status[data-tone=warning]{color:var(--warn)}
.tools-next{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:24px 0;color:var(--muted);font-size:14px}.tools-next a{color:var(--accent);white-space:nowrap}.tools-disclosure{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:14px}.tools-disclosure summary{cursor:pointer;color:#cbd0da;width:fit-content}.tools-disclosure p{max-width:740px}.tools-disclosure a{color:var(--accent)}.tools-info{color:var(--muted);font-size:13px;margin:0 0 20px;display:flex;align-items:baseline;gap:10px}.tools-info .info-sign{display:inline-grid;place-items:center;border:1px solid #626a77;width:16px;height:16px;font-size:11px;flex-shrink:0;border-radius:50%}
.network-workspace{border:1px solid var(--line);border-radius:16px;overflow:hidden;background:var(--surface)}.network-top{padding:28px 32px;display:flex;justify-content:space-between;gap:24px;align-items:center;border-bottom:1px solid var(--line)}.diagnosis{display:flex;gap:16px;align-items:center;min-width:0}.diagnosis-icon{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;background:#292e37;border-radius:50%;font-size:22px;color:#b7c2d3}.diagnosis h2{font-size:20px;line-height:1.3;margin:0 0 5px;font-weight:600}.diagnosis p{color:var(--muted);margin:0;font-size:13px;max-width:590px}.network-top[data-tone=good] .diagnosis-icon{color:var(--good);background:#24362d}.network-top[data-tone=warning] .diagnosis-icon{color:var(--warn);background:#373124}.network-top[data-tone=running] .diagnosis-icon{animation:pulse 1s infinite alternate}.tools-tests{display:grid;grid-template-columns:1fr 1fr;padding:0 32px;gap:48px}.tools-tests section{min-width:0;padding:24px 0}.tools-tests h3{font-size:13px;font-weight:500;color:var(--muted);margin:0 0 8px}.probe-row{display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:62px;border-bottom:1px solid #262b33}.probe-row:last-child{border:0}.probe-identity{display:flex;gap:12px;align-items:center;min-width:0}.service-mark{width:30px;height:30px;display:grid;place-items:center;background:#292e37;border-radius:8px;font-size:14px;color:#e0e5ed;font-weight:600}.service-name{font-size:14px;display:block}.service-domain{font-size:11px;color:#858e9d;display:block}.probe-state{font-size:12px;color:var(--muted);white-space:nowrap;display:flex;align-items:center;gap:6px}.probe-row[data-state=response] .probe-state{color:var(--good)}.probe-row[data-state=unknown] .probe-state{color:var(--warn)}.probe-row[data-state=response] .probe-state::before{content:'✓'}.probe-row[data-state=unknown] .probe-state::before{content:'—'}
.network-bottom{padding:16px 32px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:16px;align-items:center;font-size:12px;color:var(--muted)}.report-detail{margin:0 32px;padding:16px 0;border-top:1px solid var(--line)}.report-detail summary{font-size:13px;cursor:pointer;color:var(--muted)}.tools-report{white-space:pre-wrap;overflow-wrap:anywhere;font:12px/1.7 ui-monospace,monospace;color:var(--muted);max-height:360px;overflow:auto}.download-link{font-size:13px;color:var(--muted)}.download-link:hover{color:var(--text)}.tools-footer{max-width:1120px;margin:auto;padding:24px 0;border-top:1px solid var(--line);color:#8f98a7;font-size:12px;display:flex;justify-content:space-between;gap:20px}.tools-footer nav{display:flex;gap:22px}.tools-footer a:hover{color:var(--text)}
.tools-links{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:36px 0 40px}.tool-link{border:1px solid var(--line);border-radius:16px;padding:28px;background:var(--surface);display:block;transition:border-color .2s}.tool-link:hover{border-color:#626e80}.tool-link img{width:44px;height:44px;object-fit:contain}.tool-symbol{font:500 28px ui-monospace,monospace;color:var(--accent);height:44px;display:block}.tool-link h2{font-size:24px;letter-spacing:-.5px;margin:24px 0 10px}.tool-link p{font-size:15px;color:var(--muted);max-width:340px;margin:0}.tool-link .tool-open{display:block;color:var(--accent);font-size:14px;margin-top:30px}.tools-copy{font-size:14px;max-width:740px;color:var(--muted)}.tools-copy h2{font-size:20px;color:var(--text)}
@keyframes pulse{to{opacity:.45}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
@media(max-width:760px){.tools-header-inner{padding:18px 20px}.brand{font-size:23px}.brand img{width:32px;height:32px}.header-links{gap:16px;font-size:13px}.header-links a:first-child{display:none}.tools-main{padding:32px 20px 44px}.tools-hero h1{letter-spacing:-1px}.tools-hero p{font-size:15px}.tools-back{margin-bottom:22px}.tools-tabs{gap:24px;margin-bottom:24px}.ip-overview{grid-template-columns:1fr}.ip-primary{padding:26px 24px}.tools-ip{font-size:clamp(23px,6.2vw,40px);letter-spacing:-1px;margin:18px 0 22px}.ip-network{border-left:0;border-top:1px solid var(--line);padding:24px}.network-holder{font-size:20px;margin-bottom:20px}.ip-bottom{padding:16px 24px}.tools-next{align-items:flex-start;flex-direction:column;gap:10px}.tools-tests{grid-template-columns:1fr;padding:0 24px;gap:0}.tools-tests section{padding:22px 0 8px}.tools-tests section:last-child{padding-bottom:20px}.network-top{padding:24px;flex-direction:column;align-items:stretch;gap:22px}.network-top .tools-button{align-self:flex-start}.diagnosis h2{font-size:19px}.network-bottom{padding:16px 24px;flex-wrap:wrap}.report-detail{margin:0 24px}.tools-links{grid-template-columns:1fr;gap:16px}.tools-footer{margin:0 20px;flex-direction:column;padding:22px 0}.tools-footer nav{flex-wrap:wrap}.tool-link{padding:24px}}