:root {
  color-scheme: light dark;
  --bg: #f7f8fa;
  --surface: #ffffff;
  --surface-2: #f0f2f5;
  --text: #12151c;
  --muted: #5b6475;
  --border: #e2e5ea;
  --accent: #3b5bfd;
  --accent-ink: #ffffff;
  --good: #0a8f4f;
  --ok: #c26a00;
  --bad: #d4202c;
  --neutral: #8a93a3;
  --on-icon: #ffffff;
  --radius: 12px;
  --shadow: 0 1px 2px rgb(16 24 40 / 0.05), 0 1px 3px rgb(16 24 40 / 0.08);
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  /* chart series: validated categorical slots 1–5 */
  --s1: #2a78d6; --s2: #eb6834; --s3: #1baf7a; --s4: #eda100; --s5: #e87ba4;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0d12;
    --surface: #12151d;
    --surface-2: #1a1e28;
    --text: #e8ebf1;
    --muted: #98a1b3;
    --border: #262b37;
    --accent: #7b93ff;
    --accent-ink: #0b0d12;
    --good: #2fc77c;
    --ok: #f0a33a;
    --bad: #ff5b63;
    --neutral: #6c7484;
    --on-icon: #0b0d12;
    --shadow: none;
    --s1: #3987e5; --s2: #d95926; --s3: #199e70; --s4: #c98500; --s5: #d55181;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 16px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--accent); }
code { font-family: var(--mono); font-size: 0.86em; word-break: break-all; }
.sr-only, .skip:not(:focus) { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip:focus { position: fixed; top: 8px; left: 8px; background: var(--surface); padding: 8px 12px; z-index: 10; }

.top, .foot, main { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 16px; }
.top { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); text-decoration: none; letter-spacing: -0.01em; }
.brand svg { color: var(--accent); }
.top nav { display: flex; gap: 20px; }
.top nav a { color: var(--muted); text-decoration: none; font-size: 0.94rem; }
.top nav a:hover { color: var(--text); }
main { flex: 1; }

/* Hero */
.hero { text-align: center; padding: 56px 0 32px; transition: padding 0.2s; }
.has-report .hero { padding: 12px 0 8px; }
.has-report .hero h1, .has-report .hero .lede { display: none; }
.hero h1 { font-size: clamp(1.8rem, 4.5vw, 2.9rem); line-height: 1.12; letter-spacing: -0.025em; margin: 0 auto 16px; max-width: 18em; text-wrap: balance; }
.lede { color: var(--muted); max-width: 40em; margin: 0 auto 28px; font-size: 1.06rem; text-wrap: pretty; }
.scan-form { display: flex; gap: 8px; max-width: 640px; margin: 0 auto; background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 6px; box-shadow: var(--shadow); }
.scan-form:focus-within { border-color: var(--accent); }
.scan-form input { flex: 1; min-width: 0; border: 0; background: transparent; color: var(--text); font: inherit; font-size: 1.05rem; padding: 10px 16px; outline: none; }
.scan-form button { border: 0; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font: inherit; font-weight: 600; padding: 10px 26px; cursor: pointer; }
.scan-form button:disabled { opacity: 0.6; cursor: progress; }
.hint { color: var(--muted); font-size: 0.85rem; margin-top: 12px; }

/* Status */
.status { text-align: center; padding: 48px 0; color: var(--muted); }
.spinner { width: 36px; height: 36px; margin: 0 auto 12px; border-radius: 50%; border: 3px solid var(--border); border-top-color: var(--accent); animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation-duration: 3s; } * { scroll-behavior: auto !important; } }
.error { max-width: 640px; margin: 0 auto; background: color-mix(in srgb, var(--bad) 10%, var(--surface)); border: 1px solid color-mix(in srgb, var(--bad) 40%, transparent); color: var(--text); padding: 14px 18px; border-radius: var(--radius); text-align: left; }

/* Report header */
.report { padding: 16px 0 40px; }
.report-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; flex-wrap: wrap; margin-bottom: 24px; }
.target h2 { font-size: 1.15rem; margin: 0; word-break: break-all; }
.target h2 a { color: var(--text); text-decoration: none; }
.target h2 a:hover { text-decoration: underline; }
.meta-line { color: var(--muted); font-size: 0.86rem; margin: 4px 0 0; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions button { font: inherit; font-size: 0.85rem; background: var(--surface); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 6px 12px; cursor: pointer; }
.actions button:hover { border-color: var(--accent); }

/* Gauges */
.gauges { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.gauge { display: flex; flex-direction: column; align-items: center; text-decoration: none; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px 8px 16px; box-shadow: var(--shadow); }
.gauge:hover { border-color: var(--accent); }
.gauge svg { width: 104px; height: 104px; }
.gauge .track { fill: none; stroke: var(--surface-2); stroke-width: 8; }
.gauge .arc { fill: none; stroke-width: 8; stroke-linecap: round; transition: stroke-dashoffset 0.8s ease; }
.gauge text { font-size: 28px; font-weight: 700; fill: currentColor; font-variant-numeric: tabular-nums; }
.gauge.good { color: var(--good); } .gauge.good .arc { stroke: var(--good); }
.gauge.ok { color: var(--ok); } .gauge.ok .arc { stroke: var(--ok); }
.gauge.bad { color: var(--bad); } .gauge.bad .arc { stroke: var(--bad); }
.gauge.good .arc, .gauge.ok .arc, .gauge.bad .arc { fill: color-mix(in srgb, currentColor 8%, transparent); }
.g-label { color: var(--text); font-weight: 600; margin-top: 8px; }
.g-sub { color: var(--muted); font-size: 0.8rem; }
.legend { display: flex; justify-content: center; gap: 6px 14px; align-items: center; color: var(--muted); font-size: 0.8rem; margin: 12px 0 28px; flex-wrap: wrap; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: -8px; }
.dot.good { background: var(--good); } .dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); }

/* Categories */
.category { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.cat-head { display: flex; align-items: center; gap: 14px; margin-bottom: 8px; }
.cat-head h3 { margin: 0; font-size: 1.2rem; }
.cat-head p { margin: 0; color: var(--muted); font-size: 0.86rem; }
.mini { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; font-weight: 700; border: 3px solid currentColor; font-variant-numeric: tabular-nums; }
.mini.good { color: var(--good); } .mini.ok { color: var(--ok); } .mini.bad { color: var(--bad); } .mini.none { color: var(--neutral); }

.group { border-top: 1px solid var(--border); }
.group > summary { list-style: none; cursor: pointer; padding: 12px 0; display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
.group > summary::-webkit-details-marker { display: none; }
.group > summary::before { content: "›"; display: inline-block; transition: transform 0.15s; font-size: 1.1rem; }
.group[open] > summary::before { transform: rotate(90deg); }
.count { background: var(--surface-2); border-radius: 999px; padding: 0 8px; font-size: 0.78rem; }

.audits { list-style: none; margin: 0 0 8px; padding: 0; }
.audit > details { border-radius: 8px; }
.audit > details > summary { list-style: none; cursor: pointer; display: flex; gap: 12px; padding: 10px 8px; border-radius: 8px; align-items: flex-start; }
.audit > details > summary::-webkit-details-marker { display: none; }
.audit > details > summary:hover { background: var(--surface-2); }
.icon svg { width: 18px; height: 18px; display: block; margin-top: 2px; flex-shrink: 0; }
.audit.pass .icon svg { fill: var(--good); }
.audit.warn .icon svg { fill: var(--ok); }
.audit.fail .icon svg { fill: var(--bad); }
.audit.info .icon svg, .audit.na .icon svg { fill: var(--neutral); }
.a-text { display: flex; flex-direction: column; min-width: 0; }
.a-title { font-weight: 550; }
.a-detail { color: var(--muted); font-size: 0.9rem; overflow-wrap: anywhere; }
.a-body { padding: 4px 8px 14px 38px; font-size: 0.92rem; }
.a-body p { margin: 8px 0; }
.items { margin: 8px 0; padding-left: 18px; color: var(--muted); }
.items li { margin: 2px 0; }

.table-wrap { overflow-x: auto; margin: 8px 0 12px; }
.bots { border-collapse: collapse; width: 100%; font-size: 0.86rem; }
.bots th, .bots td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.bots th { color: var(--muted); font-weight: 600; }
.bots tr.blocked td:nth-child(4) { color: var(--bad); font-weight: 600; }
.bots tr.blocked.p-training td:nth-child(4) { color: var(--ok); }
.bots tr.ok td:nth-child(4) { color: var(--good); }

/* About */
.about { padding: 48px 0 24px; }
.has-report .about { display: none; }
.about h2 { font-size: 1.4rem; letter-spacing: -0.01em; }
.about-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; }
.about-grid article { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.about-grid h3 { margin: 0 0 6px; font-size: 1rem; }
.about-grid p { margin: 0; color: var(--muted); font-size: 0.92rem; }
.disclaimer { color: var(--muted); font-size: 0.88rem; margin-top: 24px; max-width: 52em; }
.disclaimer.small { font-size: 0.8rem; }

.foot { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; padding-top: 24px; padding-bottom: 24px; color: var(--muted); font-size: 0.82rem; border-top: 1px solid var(--border); margin-top: 24px; }
.foot a { color: var(--muted); }

/* Shared bits */
.muted { color: var(--muted); }
.small { font-size: 0.82rem; }
.warn-text { color: var(--ok); }
.btn, .button-link, .actions button, .copy { font: inherit; cursor: pointer; border-radius: 8px; text-decoration: none; display: inline-block; }
.btn { border: 0; background: var(--accent); color: var(--accent-ink); font-weight: 600; padding: 9px 18px; }
.btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.button-link { font-size: 0.85rem; background: var(--surface); color: var(--text); border: 1px solid var(--border); padding: 6px 12px; }
.copy { font-size: 0.8rem; background: var(--surface-2); color: var(--text); border: 1px solid var(--border); padding: 3px 10px; }
.link { background: none; border: 0; padding: 0; font: inherit; font-size: 0.85rem; color: var(--accent); cursor: pointer; }
.link.danger { color: var(--bad); }
.verified, .pending { font-size: 0.72rem; font-weight: 600; border-radius: 999px; padding: 2px 8px; vertical-align: middle; letter-spacing: 0.02em; }
.verified { color: var(--good); background: color-mix(in srgb, var(--good) 14%, transparent); }
.pending { color: var(--ok); background: color-mix(in srgb, var(--ok) 14%, transparent); }
.eyebrow { margin: 0 0 4px; font-size: 0.82rem; color: var(--muted); }
.promo { display: flex; gap: 16px; align-items: center; justify-content: space-between; flex-wrap: wrap; background: color-mix(in srgb, var(--accent) 8%, var(--surface)); border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); border-radius: var(--radius); padding: 14px 18px; margin-bottom: 20px; font-size: 0.94rem; }
.flash { position: sticky; top: 8px; z-index: 5; margin: 8px 0; padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); }
.flash.ok { border-color: color-mix(in srgb, var(--good) 50%, var(--border)); }
.flash.err { border-color: color-mix(in srgb, var(--bad) 50%, var(--border)); }

/* Dashboard */
.dash { padding-bottom: 40px; }
.auth-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; max-width: 760px; margin: 0 auto; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 10px; align-items: flex-start; }
.card h2 { margin: 0; font-size: 1.1rem; }
.card p { margin: 0; }
.card label { font-size: 0.85rem; font-weight: 600; }
.card input, .inline-form input { font: inherit; width: 100%; padding: 9px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); }
.dash-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; margin: 16px 0 20px; }
.dash-head h1 { margin: 0; font-size: 1.5rem; letter-spacing: -0.01em; }
.inline-form { display: flex; gap: 8px; flex-wrap: wrap; }
.inline-form input { width: auto; flex: 1; min-width: 180px; }
.empty { text-align: center; padding: 32px 0; }
.domain-head { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.domain-head .grow { flex: 1; min-width: 200px; }
.domain-head h2 { margin: 0; font-size: 1.15rem; word-break: break-all; }
.domain-head p { margin: 2px 0 0; font-size: 0.86rem; }
.domain h3 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin: 24px 0 10px; border-top: 1px solid var(--border); padding-top: 16px; }
.mini-scores { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }
.mini-scores span { display: flex; align-items: baseline; gap: 6px; background: var(--surface-2); border-radius: 8px; padding: 6px 10px; font-size: 0.85rem; color: var(--muted); }
.mini-scores b { font-size: 1.05rem; font-variant-numeric: tabular-nums; }
.mini-scores .good b { color: var(--good); } .mini-scores .ok b { color: var(--ok); } .mini-scores .bad b { color: var(--bad); }
.steps { padding-left: 20px; }
.steps li { margin-bottom: 14px; }
.kv { display: flex; gap: 8px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.kv span { font-size: 0.78rem; color: var(--muted); min-width: 40px; }
.kv code { background: var(--surface-2); padding: 4px 8px; border-radius: 6px; }
.badge-preview { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; font-size: 0.88rem; }
.badge-preview .preview { flex-basis: 100%; padding: 16px; background: var(--surface-2); border-radius: 8px; }
.snippet { width: 100%; font-family: var(--mono); font-size: 0.8rem; padding: 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); resize: vertical; }
.secret { margin-top: 12px; padding: 12px; border-radius: 8px; border: 1px solid color-mix(in srgb, var(--ok) 50%, var(--border)); background: color-mix(in srgb, var(--ok) 8%, var(--surface)); }
.api-help { margin-top: 14px; font-size: 0.88rem; }
.api-help pre { background: var(--surface-2); padding: 12px; border-radius: 8px; overflow-x: auto; }
.api-help code { word-break: normal; }

/* History chart */
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 0.82rem; color: var(--muted); margin-bottom: 6px; }
.chart-legend i, .tip i { display: inline-block; width: 12px; height: 3px; border-radius: 2px; margin-right: 6px; vertical-align: middle; }
.chart-wrap { position: relative; }
.chart { width: 100%; height: auto; display: block; touch-action: pan-y; }
.chart .grid { stroke: var(--border); stroke-width: 1; }
.chart .tick { fill: var(--muted); font-size: 11px; }
.chart .line { fill: none; stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; }
.chart .end-label { fill: var(--text); font-size: 11px; }
.chart .cross { stroke: var(--muted); stroke-width: 1; stroke-dasharray: 3 3; }
.chart .dot-mark { stroke: var(--surface); stroke-width: 2; }
.s1 { stroke: var(--s1); fill: var(--s1); background: var(--s1); } .chart .line.s1 { stroke-width: 2.5; }
.s2 { stroke: var(--s2); fill: var(--s2); background: var(--s2); }
.s3 { stroke: var(--s3); fill: var(--s3); background: var(--s3); }
.s4 { stroke: var(--s4); fill: var(--s4); background: var(--s4); }
.s5 { stroke: var(--s5); fill: var(--s5); background: var(--s5); }
.chart .line.s1, .chart .line.s2, .chart .line.s3, .chart .line.s4, .chart .line.s5 { fill: none; }
.tip { position: absolute; top: 8px; pointer-events: none; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; font-size: 0.8rem; box-shadow: 0 4px 16px rgb(0 0 0 / 0.12); min-width: 150px; }
.tip strong { display: block; margin-bottom: 4px; }
.tip span { display: flex; align-items: center; gap: 4px; }
.tip b { margin-left: auto; padding-left: 12px; font-variant-numeric: tabular-nums; }
.table-view { margin-top: 10px; font-size: 0.85rem; }

@media (max-width: 720px) {
  .gauges { grid-template-columns: repeat(2, 1fr); }
  .gauge svg { width: 88px; height: 88px; }
  .top nav a:first-child { display: none; }
  .a-body { padding-left: 8px; }
  .category { padding: 14px; }
}