/* ProbeKit site stylesheet: "Technical journal" (design direction B). */
@font-face{font-family:"Source Serif 4";src:url("/static/fonts/source-serif-4.4e7dcadaf6.woff2") format("woff2");font-weight:200 900;font-display:swap}
@font-face{font-family:"IBM Plex Sans";src:url("/static/fonts/ibm-plex-sans.800a78b797.woff2") format("woff2");font-weight:100 700;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url("/static/fonts/jetbrains-mono.539f357591.woff2") format("woff2");font-weight:100 800;font-display:swap}

:root{
  --serif:"Source Serif 4","Iowan Old Style",Georgia,serif;
  --sans:"IBM Plex Sans","Segoe UI",system-ui,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --body-size:16.5px;
  --bg:#fbfaf7;--bg-2:#f3f1ea;--surface:#fffefb;
  --text:#14213d;--text-2:#3f4a60;--text-3:#656a77;
  --border:#e4e0d4;--border-strong:#cfc9b8;
  --accent:#1d6f8a;--accent-strong:#14566c;--accent-soft:#e2eef2;--on-accent:#fff;
  --link:#14566c;--focus:#1d6f8a;--radius:4px;
  --code-bg:#f3f1ea;--code-fg:#14213d;
  --tok-key:#14566c;--tok-str:#7a4d10;--tok-num:#8a2b55;--tok-com:#6f6a5d;
  --soon-bg:#efe7d4;--soon-fg:#6b4e12;
  --warn-line:#b07b14;--info-line:#1d6f8a;--shadow-hover:none;
  --ok-fg:#1d6b3a;--ok-bg:#e3f1e7;--info-fg:#14566c;--info-bg:#e2eef2;
  --warn-fg:#6b4e12;--warn-bg:#f6e9cf;--err-fg:#8a1f1f;--err-bg:#f6dede;
  --unk-fg:#4a4f5c;--unk-bg:#ebe9e2;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:var(--body-size)/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-wrap:break-word}
img,svg{max-width:100%}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
code,pre{font-family:var(--mono);font-size:.875em}
h1,h2,h3,.tool-title,.section-title,.price-big{font-family:var(--serif);font-weight:600;letter-spacing:-.005em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}

.skip-link{position:absolute;left:12px;top:-60px;z-index:100;padding:10px 16px;background:var(--text);color:var(--bg);border-radius:var(--radius);font-weight:600}
.skip-link:focus{top:12px;text-decoration:none}

.wrap{max-width:1160px;margin:0 auto;padding:0 20px}
.site-header{border-bottom:1px solid var(--border);background:var(--bg)}
.brand{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--text);font-size:1.12rem;letter-spacing:-.01em}
.brand:hover{text-decoration:none}
.brand img{display:block;width:26px;height:26px}
.brand.small{font-size:.95rem}
.brand.small img{width:20px;height:20px}
.header-row{display:flex;align-items:center;gap:28px;height:64px}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--text-2);font-weight:500;font-size:.95rem}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);padding:11px 18px;font-weight:600;font-size:.95rem;border:1px solid transparent;cursor:pointer;font-family:inherit;line-height:1.3}
.btn:hover{text-decoration:none}
.btn-sm{padding:7px 13px;font-size:.88rem}
.btn-primary{background:var(--accent);color:var(--on-accent)}
.btn-primary:hover{background:var(--accent-strong)}
.btn-ghost{border-color:var(--border-strong);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--text)}

.pill{display:inline-block;font-size:.75rem;font-weight:600;padding:3px 9px;border-radius:999px}
.pill-soon{background:var(--soon-bg);color:var(--soon-fg)}
.eyebrow{font-weight:600;color:var(--text-3);font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px}
.lede{color:var(--text-2);font-size:1.08rem;max-width:62ch}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin:26px 0 18px}
.note{font-size:.88rem;color:var(--text-3);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.muted{color:var(--text-3);font-size:.82rem}
.h2{font-size:1.2rem;margin:34px 0 8px}

/* Code */
.code{margin:0;padding:18px 20px;background:var(--code-bg);color:var(--code-fg);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto;line-height:1.55;font-size:.84rem}
.t-k{color:var(--tok-key)}.t-s{color:var(--tok-str)}.t-n{color:var(--tok-num)}.t-c{color:var(--tok-com)}.t-p{color:var(--code-fg)}
.demo-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--bg-2);border:1px solid var(--border);border-bottom:0;border-radius:var(--radius) var(--radius) 0 0;font-size:.85rem;overflow-x:auto}
.demo-bar + .code{border-radius:0 0 var(--radius) var(--radius)}
.method{font-family:var(--mono);font-weight:700;font-size:.75rem;color:var(--accent-strong);background:var(--accent-soft);padding:2px 7px;border-radius:5px}
.demo-caption{font-size:.78rem;color:var(--text-3);margin:8px 0 0}
.copy-btn{display:block;margin:0 0 6px auto;padding:3px 10px;font:600 .75rem/1.4 var(--sans);color:var(--text-2);background:var(--surface);border:1px solid var(--border-strong);border-radius:var(--radius);cursor:pointer}
.copy-btn:hover{border-color:var(--text);color:var(--text)}

/* Sections and cards */
.section{padding:56px 20px}
.section-title{font-size:1.5rem;margin:0 0 22px;border-bottom:1px solid var(--text);padding-bottom:10px}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.section-head .section-title{flex:1}
.cards{display:grid;gap:18px}
.cards.three,.cards.tools{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px;color:var(--text)}
.card h2,.card h3{margin:6px 0 8px;font-size:1.05rem}
.card p{margin:0;color:var(--text-2);font-size:.93rem}
a.card:hover{text-decoration:none;border-color:var(--accent);box-shadow:var(--shadow-hover)}
.cards.three{gap:0;border-top:1px solid var(--text);border-bottom:1px solid var(--border)}
.cards.three .card{border:0;border-right:1px solid var(--border);border-radius:0;background:transparent}
.cards.three .card:last-child{border-right:0}
.icon{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;background:transparent;border:1px solid var(--border-strong);color:var(--text);font-family:var(--mono);font-weight:700}
.tool{display:flex;flex-direction:column;gap:4px}
.tool-cat{font-size:.74rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3)}
.tool-meta{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:14px;padding-top:12px;border-top:1px solid var(--border)}
.tool-meta code{color:var(--text-2);font-size:.78rem;overflow-wrap:anywhere}
.price{font-weight:700;font-variant-numeric:tabular-nums}
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.steps li{display:flex;gap:14px}
.steps p{margin:4px 0 0;color:var(--text-2);font-size:.93rem}
.step-n{flex:none;display:grid;place-items:center;width:32px;height:32px;border-radius:2px;border:1px solid var(--accent);color:var(--accent-strong);font-weight:700}

/* Tabs: without JavaScript every panel is visible; the script hides inactive panels. */
.tabs,[role="tablist"]{display:flex;gap:4px;margin-bottom:-1px;flex-wrap:wrap}
.tab,[role="tab"]{padding:8px 14px;font:600 .86rem/1.4 var(--sans);color:var(--text-3);border:1px solid transparent;border-radius:var(--radius) var(--radius) 0 0;background:transparent;cursor:pointer}
.tab.active,[role="tab"][aria-selected="true"]{background:var(--code-bg);color:var(--code-fg);border-color:var(--border);border-bottom-color:var(--code-bg)}
.quick .code{border-top-left-radius:0}

/* Tool page */
.tool-page{border-top:1px solid var(--border);padding:44px 0 70px;background:var(--bg)}
.divider-label{font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-3);margin:0 0 22px}
.crumbs{font-size:.88rem;color:var(--text-3);margin-bottom:10px}
.crumbs ol{display:flex;flex-wrap:wrap;gap:4px 8px;list-style:none;margin:0;padding:0}
.crumbs li+li::before{content:"/";margin-right:8px;color:var(--text-3)}
.crumbs a{color:var(--text-2)}
.tool-head{display:flex;justify-content:space-between;gap:28px;align-items:flex-start}
.tool-title{font-size:2.6rem;line-height:1.15;margin:0 0 6px;letter-spacing:-.02em}
.price-box{flex:none;display:flex;flex-direction:column;align-items:flex-end;gap:4px;padding:16px 20px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
.price-big{font-size:1.7rem;font-weight:800;font-variant-numeric:tabular-nums}
.price-unit{font-size:.82rem;color:var(--text-3)}
.tool-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:36px;margin-top:28px}
.checker{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.checker label{display:block;font-weight:600;font-size:.9rem;margin-bottom:8px}
.checker-row{display:flex;gap:10px}
.checker input,.catalog-filter input,.calc input{flex:1;min-width:0;font:inherit;font-family:var(--mono);padding:11px 14px;border:1px solid var(--border-strong);border-radius:var(--radius);background:var(--bg);color:var(--text)}
.share{margin:36px 0 0;padding-top:14px;border-top:1px solid var(--border);display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;font-size:.88rem}
.share-label{font-weight:600;color:var(--text-3)}
.share ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px 16px}
.copy-link{padding:0;border:0;background:none;font:inherit;color:var(--link);cursor:pointer;text-decoration:underline}
.js-only{display:none}
.hint{font-size:.82rem;color:var(--text-3);margin:10px 0 0}
.result{margin-top:18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.result-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px}
.status{display:inline-block;font-weight:700;font-size:.8rem;padding:4px 10px;border-radius:999px;border:1px solid transparent}
.status-ok{background:var(--ok-bg);color:var(--ok-fg);border-color:var(--ok-fg)}
.status-info{background:var(--info-bg);color:var(--info-fg);border-color:var(--info-fg)}
.status-warning{background:var(--warn-bg);color:var(--warn-fg);border-color:var(--warn-line)}
.status-error{background:var(--err-bg);color:var(--err-fg);border-color:var(--err-fg)}
.status-unknown{background:var(--unk-bg);color:var(--unk-fg);border-color:var(--unk-fg)}
.result-domain{font-family:var(--mono);font-weight:700}
.result-meta{font-size:.82rem;color:var(--text-3);width:100%}
.record{display:flex;gap:12px;align-items:baseline;margin:16px 0;padding:12px 14px;background:var(--bg-2);border-radius:calc(var(--radius) - 2px);overflow-x:auto}
.record-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3)}
.findings{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.finding{border:1px solid var(--border);border-left:4px solid var(--sev,var(--border-strong));border-radius:calc(var(--radius) - 2px);padding:12px 16px}
.sev-warning{--sev:var(--warn-line);--sev-fg:var(--warn-fg)}
.sev-info{--sev:var(--info-line);--sev-fg:var(--accent-strong)}
.sev-error{--sev:var(--err-fg);--sev-fg:var(--err-fg)}
.finding-top{display:flex;flex-wrap:wrap;gap:4px 10px;align-items:center}
.sev{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--sev-fg,var(--text-2))}
.fcode{font-size:.78rem;color:var(--text-2)}
.fmsg{margin:6px 0 2px;font-weight:600}
.fexp,.frec{margin:4px 0 0;font-size:.92rem;color:var(--text-2)}
.tree{margin-top:16px;font-size:.88rem}
.tree-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3)}
.tree ul{list-style:none;margin:6px 0 0;padding-left:18px;border-left:1px dashed var(--border-strong)}
.tree>ul{border:0;padding-left:0}
.spec{width:100%;border-collapse:collapse;font-size:.92rem}
.spec th,.spec td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.spec th{width:130px;color:var(--text-3);font-weight:600}
.side-box{border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;background:var(--surface);margin-bottom:16px}
.side-title{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-3)}
.code-list,.link-list{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:7px;font-size:.88rem}

/* Prose (rendered Markdown) */
.prose{max-width:72ch}
.prose h1{font-size:2.2rem;line-height:1.15;margin:0 0 16px;letter-spacing:-.02em}
.prose h2{font-size:1.5rem;margin:40px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--border)}
.prose h3{font-size:1.2rem;margin:28px 0 8px}
.prose h4{font-size:1rem;margin:22px 0 6px;font-family:var(--sans);font-weight:700}
.prose p,.prose ul,.prose ol{margin:0 0 1em}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.3em}
.prose a{text-decoration:underline;text-underline-offset:2px}
.prose code{background:var(--bg-2);padding:1px 5px;border-radius:3px;overflow-wrap:anywhere}
.prose pre{margin:0 0 1.2em;padding:16px 18px;background:var(--code-bg);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto;line-height:1.55}
.prose pre code{background:transparent;padding:0}
.prose blockquote{margin:0 0 1em;padding:2px 0 2px 18px;border-left:3px solid var(--border-strong);color:var(--text-2)}
.prose table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;margin:0 0 1.2em;font-size:.92rem}
.prose th,.prose td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top}
.prose th{font-weight:600;color:var(--text-3)}
.prose hr{border:0;border-top:1px solid var(--border);margin:32px 0}

/* Components */
.faq details{border-bottom:1px solid var(--border);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600;list-style-position:outside}
.faq details[open] summary{margin-bottom:8px}
.catalog-filter{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 22px}
.catalog-filter input{max-width:320px;font-family:var(--sans)}
.catalog-filter button{font:600 .85rem/1.3 var(--sans);padding:8px 13px;border:1px solid var(--border-strong);border-radius:var(--radius);background:transparent;color:var(--text);cursor:pointer}
.catalog-filter button[aria-pressed="true"]{background:var(--text);border-color:var(--text);color:var(--bg)}
.filter-hidden{display:none !important}
.placeholder{background:#fff3b0;color:#4a3b00;padding:1px 5px;border-radius:3px;box-decoration-break:clone}
.notice{margin:0 0 1.2em;padding:14px 18px;background:var(--info-bg);border:1px solid var(--border);border-left:4px solid var(--info-line);border-radius:var(--radius);color:var(--text)}
.toc{margin:0 0 28px;padding:16px 20px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);font-size:.92rem}
.toc ol,.toc ul{margin:6px 0 0;padding-left:1.2em}
.calc{display:flex;flex-wrap:wrap;gap:12px;align-items:center;padding:16px 18px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius)}
.calc input{flex:0 1 140px}
.calc [data-calc-output]{font-family:var(--serif);font-weight:700;font-size:1.3rem;font-variant-numeric:tabular-nums}

/* Catalog, tool and pricing pages */
.card-list{list-style:none;margin:0;padding:0}
.card-list>li{display:flex}
.card-list>li>.card{flex:1}
.pill-bulk{align-self:flex-start;background:var(--accent-soft);color:var(--accent-strong);margin-top:6px}
.link-more{display:inline-block;padding:4px 0;font-weight:600;font-size:.92rem;white-space:nowrap}
main p a:not(.btn):not(.card):not(.link-more),main li a:not(.btn):not(.card):not(.link-more){text-decoration:underline;text-underline-offset:2px}
.checker .field{margin-bottom:14px}
.checker input:disabled,.checker .btn:disabled{opacity:.6;cursor:not-allowed}
.checker .notice{margin:14px 0 0}
.notice-fake{background:var(--warn-bg);border-left-color:var(--warn-line);color:var(--warn-fg);font-weight:600}
.tool-main{min-width:0}
.tool-main>.prose,.tool-main>.checker{margin-bottom:8px}
.tool-main>.prose{margin-top:28px}
.rates,.price-table{max-width:520px}
.price-table{max-width:none}
.rates td,.price-table td{font-variant-numeric:tabular-nums}
.finding-links{grid-template-columns:1fr}
.finding-links .muted{display:block}
[role="tabpanel"] .code{border-top-left-radius:0}
.tool-title+.lede{margin-top:6px}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:32px 0;background:var(--bg);margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}
.footer-grid nav{display:flex;flex-direction:column;gap:6px;font-size:.9rem}
.footer-grid nav strong{font-size:.75rem;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);margin-bottom:4px}
.footer-grid nav a{color:var(--text-2)}
.footer-grid p{margin:10px 0 0;max-width:34ch}

/* Home */
.hero{padding:72px 0 64px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero-grid>*{min-width:0}
.hero h1{font-size:clamp(2rem,4.2vw,3.1rem);line-height:1.1;margin:0 0 18px;letter-spacing:-.025em;font-weight:600}
.band{padding:8px 0}

@media (max-width:900px){
  .hero-grid,.tool-grid{grid-template-columns:minmax(0,1fr)}
  .cards.three,.cards.tools,.steps{grid-template-columns:1fr}
  .cards.three .card{border-right:0;border-bottom:1px solid var(--border)}
  .cards.three .card:last-child{border-bottom:0}
  .tool-head{flex-direction:column}
  .price-box{align-items:flex-start}
  .checker-row{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr}
  .header-row{flex-wrap:wrap;height:auto;padding-top:12px;padding-bottom:12px;gap:8px 16px}
  .nav{order:3;width:100%;margin-left:0;gap:18px;overflow-x:auto}
  .header-row .btn{margin-left:auto}
  .hero{padding:44px 0 40px}
  .tool-title{font-size:2rem}
}
@media (max-width:520px){
  .section{padding:40px 20px}
  .footer-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:0}
  .spec th{width:96px}
  .tool-meta{flex-direction:column;align-items:flex-start}
  .prose h1{font-size:1.8rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}
.finding-group{border-bottom:1px solid var(--border);padding:10px 0}
.finding-group summary{cursor:pointer;font-weight:600}
.finding-group .finding-links{margin-top:10px}
.finding-links .sev{margin-right:6px}
.result{margin:24px 0;padding:16px 18px;border:1px solid var(--border);border-radius:var(--radius)}
.result-error{background:var(--err-bg);border-color:var(--err-fg);color:var(--err-fg)}
.field-error input{border-color:var(--err-fg)}
.field-msg{margin:6px 0 0;color:var(--err-fg);font-size:.9em}

/* Result panels */
.result .h4{font-family:var(--sans);font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-3);margin:22px 0 10px}
.result-head .h3{margin:0}
.result-meta{margin:2px 0 0;overflow-wrap:anywhere}
.table-wrap{max-width:100%;overflow-x:auto}
.data{width:100%;border-collapse:collapse;font-size:.92rem;margin-top:14px}
.data th,.data td{text-align:left;padding:8px 12px;border-bottom:1px solid var(--border);vertical-align:top;overflow-wrap:anywhere}
.data th{color:var(--text-3);font-weight:600}
.data tbody th[scope="row"]{width:11rem;font-size:.85rem}
.data code{overflow-wrap:anywhere}
.record code{overflow-wrap:anywhere;white-space:normal}
.record{flex-wrap:wrap}
.sub{margin-top:26px;padding-top:4px;border-top:1px solid var(--border)}
.note-line{margin:14px 0 0;padding:10px 14px;background:var(--info-bg);border-left:4px solid var(--info-line);border-radius:calc(var(--radius) - 2px)}
.no-findings{margin:0;padding:12px 14px;background:var(--ok-bg);color:var(--ok-fg);border-radius:calc(var(--radius) - 2px);font-weight:600}
.evidence{margin:10px 0 0;display:grid;gap:4px;font-size:.84rem}
.evidence>div{display:flex;flex-wrap:wrap;gap:2px 10px}
.evidence dt{font-family:var(--mono);color:var(--text-3)}
.evidence dd{margin:0;font-family:var(--mono);overflow-wrap:anywhere;min-width:0}
.flink{margin:8px 0 0;font-size:.88rem;font-weight:600}
.tree>ul,.tree ul{list-style:none}
.tree li{margin:8px 0}
.tree .node-domain{font-family:var(--mono);font-weight:700;overflow-wrap:anywhere}
.tree .node-via{background:var(--accent-soft);color:var(--accent-strong);margin-left:6px}
.tree .node-record{display:block;margin-top:4px;padding:6px 10px;background:var(--bg-2);border-radius:calc(var(--radius) - 2px);overflow-wrap:anywhere}
.tree .node-error{display:block;color:var(--err-fg);font-weight:600}
.tree ul{margin-left:6px}

.api-url code,.op-list code{overflow-wrap:anywhere}
.api-page .data td{vertical-align:top}
.api-page .data,.api-index .data{min-width:36rem}
.api-page .data th,.api-page .data td,.api-index .data th,.api-index .data td{overflow-wrap:normal}
.api-page .data th,.api-page .data code,.api-index .data th,.api-index .data code{white-space:nowrap;overflow-wrap:normal}
.api-page .data td:last-child,.api-index .data td:last-child{min-width:14rem}