:root{--blue:#0b57d0;--ink:#202124;--muted:#5e6673;--line:#dfe3eb;--soft:#f0f4f9;--paper:#fff;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);color-scheme:light}*{box-sizing:border-box}body{margin:0}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input{outline-offset:4px}button{cursor:pointer}button:disabled{opacity:.6;cursor:wait}[hidden]{display:none!important}header{border-bottom:1px solid var(--line)}.nav{max-width:1200px;margin:auto;padding:18px 28px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:23px;font-weight:700;letter-spacing:-.6px}.brand img{width:32px;height:32px}.brand span{color:var(--blue)}nav{display:flex;align-items:center;gap:24px;margin-left:auto;font-size:14px}.language{background:var(--soft);border:0;border-radius:20px;padding:10px 14px;color:var(--blue)}main{max-width:1200px;margin:auto;padding:54px 28px}.eyebrow{font-size:12px;letter-spacing:1.7px;color:var(--blue);font-weight:700;text-transform:uppercase}h1{font-size:clamp(34px,5vw,58px);font-weight:500;letter-spacing:-2px;line-height:1.12;max-width:800px;margin:18px 0}h2{font-size:25px;font-weight:500;letter-spacing:-.4px}h3{font-size:18px;font-weight:600}p{line-height:1.65;color:var(--muted)}.lead{font-size:18px;max-width:720px}.pills{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0}.pill{padding:8px 12px;border-radius:24px;background:var(--soft);font-size:12px}.pill:first-child{background:#e6f4ea;color:#146c2e}.workspace{border:1px solid var(--line);border-radius:24px;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 310px;margin:30px 0 46px}.entry{padding:30px}.entry label[for=url]{display:block;font-size:15px;font-weight:600;margin-bottom:12px}.search{display:flex;gap:10px}.search input{width:100%;min-width:0;padding:16px;border:1px solid #a8b7cb;border-radius:12px;color:var(--ink);background:var(--paper);font-size:17px}.btn{border:0;border-radius:24px;padding:14px 24px;background:var(--blue);color:white;min-height:48px;white-space:nowrap}.btn.secondary{background:var(--soft);color:var(--blue)}.compare{display:flex;align-items:center;gap:10px;margin-top:22px;font-size:15px;line-height:1.5}.compare input{width:20px;height:20px;accent-color:var(--blue);flex-shrink:0}.hint{font-size:12px;margin:10px 0;color:var(--muted);line-height:1.6}.aside{padding:30px;background:#f8faff;border-left:1px solid var(--line)}.aside h2{font-size:18px;margin:0 0 14px}.aside ul{padding-left:20px;line-height:2;font-size:14px;color:var(--muted)}#status{line-height:1.6;font-size:14px;margin-top:16px}#status.error{color:#b3261e}.section-top{display:flex;justify-content:space-between;gap:16px;align-items:center;flex-wrap:wrap}.tools{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin:22px 0 48px}.tool{padding:22px;border:1px solid var(--line);border-radius:16px;color:var(--ink);display:block}.tool:hover{border-color:var(--blue);background:#f8faff;text-decoration:none}.tool .symbol{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;background:#e8f0fe;color:var(--blue);border-radius:12px;font-family:monospace;font-size:16px}.tool h3{color:var(--blue);margin:18px 0 8px}.tool p{font-size:14px;margin:0}.reports{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin:20px 0 40px}.report{min-width:0;border:1px solid var(--line);border-radius:20px;padding:24px}.report>h2{margin-top:0}.badge{display:inline-block;padding:6px 10px;border-radius:20px;background:var(--soft);font-size:12px;line-height:1.4}.badge.good{background:#e6f4ea;color:#146c2e}.badge.warn{background:#fff3d2;color:#754b00}.badge.bad{background:#fce8e6;color:#a5221d}.report details{border-top:1px solid var(--line);padding:16px 0}.report summary{cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:32px;font-weight:600;font-size:15px}.report pre{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);padding:14px;border-radius:10px;max-height:350px;overflow:auto;line-height:1.6}.report p{font-size:14px;overflow-wrap:anywhere}.finding{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.finding strong{display:block;margin-bottom:6px}.finding p{margin:6px 0}.note{padding:24px;background:var(--soft);border-radius:18px}.note h2{margin-top:0;font-size:20px}.note p{font-size:14px}.facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.fact{padding:14px;background:var(--soft);border-radius:12px}.fact span{display:block;font-size:12px;color:var(--muted)}.fact strong{display:block;margin-top:8px;overflow-wrap:anywhere;font-size:19px}footer{max-width:1144px;margin:20px auto 0;padding:26px 0 32px;border-top:1px solid var(--line);display:flex;gap:20px;justify-content:space-between;font-size:12px;color:var(--muted)}footer div{display:flex;gap:18px;flex-wrap:wrap}@media(max-width:800px){.workspace{grid-template-columns:1fr}.aside{border-left:0;border-top:1px solid var(--line)}.tools{grid-template-columns:repeat(2,minmax(0,1fr))}.reports{grid-template-columns:1fr}}@media(max-width:540px){main{padding:32px 18px}.nav{padding:16px 18px;gap:12px;flex-wrap:wrap}.brand{font-size:21px}nav{gap:14px;font-size:13px}.nav nav>a:first-child{display:none}.search{flex-direction:column}.entry,.aside,.report{padding:22px}.tools{grid-template-columns:1fr}.lead{font-size:16px}footer{margin:0 18px;flex-wrap:wrap}.section-top .btn{width:100%}}:root[data-theme=dark]{--paper:#13171d;--ink:#edf2fa;--muted:#acb8c9;--line:#34404e;--soft:#202a36;--blue:#9fc3ff;color-scheme:dark}:root[data-theme=dark] .aside,:root[data-theme=dark] .tool:hover{background:#19222f}:root[data-theme=dark] .btn{background:#0b57d0;color:#fff}:root[data-theme=dark] .tool .symbol{background:#243c60;color:#c4daff}:root[data-theme=dark] .badge.good,:root[data-theme=dark] .pill:first-child{background:#183c2b;color:#a5e8bf}:root[data-theme=dark] .badge.warn{background:#493c17;color:#f7db8f}:root[data-theme=dark] .badge.bad{background:#4b2323;color:#ffb8b0}@media print{header,footer,.workspace,.tools,.eyebrow,.lead,.pills,#download{display:none}.reports{display:block}.report{break-inside:avoid}main{padding:0}.report details{display:block}}



.preferences{display:flex;gap:4px;margin-left:auto}.preference-picker{position:relative}.preference-toggle{display:flex;align-items:center;justify-content:center;gap:6px;min-width:54px;min-height:44px;padding:10px;border:0;background:transparent;color:var(--blue)}.selected-icon{display:flex;align-items:center}.preference-icon{width:24px;height:24px;flex-shrink:0}.preference-icon.flag{width:28px;height:20px;object-fit:cover;border-radius:3px;box-shadow:0 0 0 1px #8884}.preference-chevron{width:12px;height:12px}.preference-options{position:absolute;top:calc(100% + 8px);right:0;z-index:50;min-width:210px;max-width:calc(100vw - 32px);padding:6px;background:var(--paper);border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 24px #0002}.preference-options button{display:flex;align-items:center;gap:12px;width:100%;min-height:44px;text-align:left;border:0;border-radius:8px;padding:10px;background:transparent;color:var(--ink)}.preference-options button:hover,.preference-options button:focus,.preference-options button[aria-selected=true]{background:var(--soft)}.nav nav{margin-left:auto}.nav .preferences{margin-left:0}.report .data-row{border-bottom:1px solid var(--line);padding:10px 0;font-size:13px;overflow-wrap:anywhere}.data-row strong{display:block}.data-row pre{margin:8px 0}.probe-note{font-size:12px}@media(max-width:540px){.nav{gap:8px}.nav nav{order:3;width:100%;justify-content:center}.nav nav>a:first-child{display:block}.nav .preferences{margin-left:auto}.preference-toggle{min-width:48px;padding:8px}}



.advanced{margin-top:20px;font-size:14px}.advanced summary{cursor:pointer;padding:10px 0}.advanced label{display:block;margin:12px 0 8px}.advanced input{width:100%;padding:12px;border:1px solid var(--line);background:var(--paper);color:var(--ink);border-radius:10px;min-height:44px}.overview{background:var(--soft);border-radius:12px;padding:16px;margin:18px 0}.overview h3{margin:0 0 12px}.overview-row{display:flex;gap:12px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:10px 0;font-size:13px}.overview-row strong{min-width:70px}.overview-row .badge{max-width:70%;text-align:right;white-space:normal}.overview-row .neutral{background:var(--paper);color:var(--muted)}



.report-actions{display:flex;gap:8px;flex-wrap:wrap}.report-actions .btn{padding:12px 16px}.print-brand{display:none}#share-link{width:100%;min-height:44px;border:1px solid var(--line);border-radius:10px;padding:12px;background:var(--paper);color:var(--ink)}#target{overflow-wrap:anywhere}.share-notice{margin-bottom:20px}.share-notice .compare{font-size:13px}@media(max-width:540px){.report-actions{width:100%}}@media print{@page{size:A4;margin:16mm}:root,:root[data-theme=dark]{--ink:#111;--paper:white;--muted:#333;--line:#bbb;--soft:#f3f3f3;--blue:#164787;color-scheme:light}body{background:white;color:#111;font-size:11pt}header,footer,main>h1,.workspace,.eyebrow,.lead,.pills,#tools,.note,.report-actions,.share-notice,.probe-note{display:none!important}.print-brand{display:block;font-weight:bold}main{padding:0;max-width:none}.reports{display:block;margin:0}.report{break-inside:auto;border:0;border-radius:0;padding:0;margin-top:20px}.report+.report{break-before:page}.report .overview{break-inside:avoid;background:#f3f3f3}.report .overview-row{padding:6px 0}.report .badge{background:#eee!important;color:#111!important}.report .facts{break-inside:avoid}.report pre{max-height:none;overflow:visible;white-space:pre-wrap;overflow-wrap:anywhere;font-size:9pt;background:#f3f3f3}.report details{display:none}body.print-technical .report details{display:block;break-inside:auto}.report summary{break-after:avoid}.section-top h2{font-size:20pt}#expiry{font-size:10pt}.overview-row .neutral{background:#fff}}

@media print{.section-top h2{font-size:18pt;margin:0 0 8px}.print-brand,#target,#expiry{margin:6px 0}.report>h2{font-size:18pt;margin:0 0 8px}.report .overview{padding:10px;margin:12px 0}.report .overview-row{padding:4px 0}.report .badge{padding:4px 8px;font-size:11px}.report .facts{margin:12px 0}.report .fact{padding:10px}.report .fact strong{font-size:17px}.report>p{margin:8px 0}}



.report summary{display:grid;grid-template-columns:24px minmax(0,1fr) auto;gap:10px;list-style:none;border-radius:8px;padding:6px}.report summary::-webkit-details-marker{display:none}.report summary:hover{background:var(--soft)}.report summary:focus-visible{outline:2px solid var(--blue)}.report-chevron{font-size:30px;line-height:24px;text-align:center;color:var(--blue);transition:transform .15s}.report details[open]>summary .report-chevron{transform:rotate(90deg)}.report summary .badge{max-width:190px;white-space:normal;text-align:right;font-weight:400}.report .report-expand-hint{color:var(--blue);font-size:13px}.report summary .neutral{background:var(--soft);color:var(--muted)}@media(max-width:540px){.report summary{grid-template-columns:22px minmax(0,1fr)}.report summary .badge{grid-column:2;justify-self:start;max-width:100%;text-align:left}}@media(prefers-reduced-motion:reduce){.report-chevron{transition:none}}@media print{.report-chevron,.report-expand-hint{display:none}.report summary{grid-template-columns:1fr auto}}

/* Editorial pages share the product typography and colour themes. */

.guide{max-width:1000px;overflow-wrap:anywhere}.guide>section{margin:36px 0;scroll-margin-top:20px}.guide-toc{display:flex;flex-direction:column;align-items:flex-start;gap:12px;margin:24px 0;padding:20px;background:var(--soft);border-radius:16px}.guide pre{max-width:100%;overflow:auto;background:var(--soft);padding:18px;border-radius:12px;font-size:13px;line-height:1.7}.guide-code{min-width:0}.guide li{margin:10px 0;overflow-wrap:anywhere}.guide .tool h2{font-size:20px}.guide .tools{grid-template-columns:repeat(2,minmax(0,1fr))}@media(max-width:540px){.guide .tools{grid-template-columns:1fr}}



.guide-actions{display:flex;flex-wrap:nowrap;gap:12px;margin:24px 0}.guide-actions .btn{display:inline-flex;align-items:center;justify-content:center;text-align:center;text-decoration:none;min-width:0}@media(max-width:540px){.guide-actions{gap:8px}.guide-actions .btn{flex:1;padding:12px 8px;font-size:13px;white-space:normal}}



/* Horizontal tool cards: icon at left, title and summary at right. */

.tool:has(>.symbol){display:grid;grid-template-columns:44px minmax(0,1fr);column-gap:14px;row-gap:6px;align-content:start}.tool:has(>.symbol)>.symbol{grid-column:1;grid-row:1 / span 2;width:44px;height:44px;align-self:start;font-size:12px}.tool:has(>.symbol)>h3{grid-column:2;margin:0;line-height:1.35;overflow-wrap:anywhere}.tool:has(>.symbol)>p{grid-column:2;margin:0;font-size:13px;line-height:1.5;overflow-wrap:anywhere}@media(max-width:540px){.tool:has(>.symbol){padding:18px;column-gap:12px;grid-template-columns:40px minmax(0,1fr)}.tool:has(>.symbol)>.symbol{width:40px;height:40px}}


/* Button-only activity, accessible status text and readable report evidence. */
#status.check-progress-text{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
#run.check-running{display:inline-flex;align-items:center;justify-content:center;gap:10px}
#run.check-running::before{content:"";display:inline-block;width:20px;height:20px;flex:0 0 20px;border:3px solid currentColor;border-right-color:transparent;border-radius:50%;animation:check-spin .8s linear infinite}
#results{scroll-margin-top:24px}
#results-heading:focus{outline:none}
@keyframes check-spin{to{transform:rotate(360deg)}}
@media(prefers-reduced-motion:reduce){#run.check-running::before{animation:none}}
.report-topic-icon{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:var(--blue);stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
.report-evidence{margin:20px 0}.report-evidence h3{margin:20px 0 12px}.report-evidence h4{font-size:15px;margin:18px 0 8px;overflow-wrap:anywhere}
.evidence-list{display:grid;grid-template-columns:minmax(110px,2fr) minmax(0,3fr);gap:0;margin:12px 0;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:13px;line-height:1.6}
.evidence-list dt,.evidence-list dd{padding:10px 12px;margin:0;border-bottom:1px solid var(--line);overflow-wrap:anywhere;white-space:pre-wrap;min-width:0}
.evidence-list dt{background:var(--soft);font-weight:600}.evidence-list dd{color:var(--ink)}.evidence-list dt:nth-last-child(2),.evidence-list dd:last-child{border-bottom:0}
.encoding-card{border:1px solid var(--line);border-radius:14px;padding:14px;margin:14px 0}.encoding-card h4{margin-top:0}
.evidence-action{background:var(--soft);border-left:3px solid var(--blue);padding:14px 16px;border-radius:0 12px 12px 0;margin:16px 0}.evidence-action p{margin:8px 0 0}
.report-evidence .evidence-note{font-size:13px}.report-evidence .robots-preview{max-height:220px}
@media(max-width:540px){.evidence-list{grid-template-columns:minmax(90px,2fr) minmax(0,3fr);font-size:12px}.evidence-list dt,.evidence-list dd{padding:8px}.report summary{gap:8px}.report-topic-icon{width:18px;height:18px;flex-basis:18px}.report summary>.badge{max-width:44%;font-size:11px}.encoding-card{padding:10px}}

/* Keep section icons in their own grid track, including stacked mobile badges. */
.report summary:has(>.report-topic-icon){grid-template-columns:24px 22px minmax(0,1fr) auto}
.report summary:has(>.report-topic-icon)>.report-section-title{min-width:0;overflow-wrap:anywhere}
@media(max-width:540px){.report summary:has(>.report-topic-icon){grid-template-columns:22px 18px minmax(0,1fr)}.report summary:has(>.report-topic-icon)>.report-chevron{grid-column:1;grid-row:1}.report summary:has(>.report-topic-icon)>.report-topic-icon{grid-column:2;grid-row:1}.report summary:has(>.report-topic-icon)>.report-section-title{grid-column:3;grid-row:1}.report summary:has(>.report-topic-icon)>.badge{grid-column:3;grid-row:2;max-width:100%;justify-self:start}}
@media print{.report summary:has(>.report-topic-icon){grid-template-columns:22px minmax(0,1fr) auto}.report summary:has(>.report-topic-icon)>.report-topic-icon,.report summary:has(>.report-topic-icon)>.report-section-title,.report summary:has(>.report-topic-icon)>.badge{grid-column:auto;grid-row:auto}}





/* ABOUT_LAYOUT_START */
main>h1,main>.lead{max-width:none;width:100%}
.about-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin:36px 0}.about-section{padding:26px;background:var(--paper);border:1px solid var(--line);border-radius:20px;min-width:0}.about-section h2{margin-top:0;font-size:24px;letter-spacing:-.5px}.about-section p{margin-bottom:0;line-height:1.75;overflow-wrap:anywhere}.about-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0}.about-actions .btn{white-space:normal;text-align:center}.about-contact{padding:28px;background:var(--soft);border-radius:20px}.about-contact a{overflow-wrap:anywhere}@media(max-width:700px){.about-grid{grid-template-columns:1fr;gap:16px}.about-section{padding:20px}.about-actions .btn{width:100%}.about-contact{padding:20px}}
/* ABOUT_LAYOUT_END */