:root {
  --bg: #fbfaf7; --fg: #1d1d1b; --muted: #6b6a66; --line: #e4e1da; --card: #ffffff;
  --accent: #1f5f8b; --pq: #1e7a4c; --warn: #9a5b00; --bad: #a12a2a;
  --ga: #1e7a4c; --gb: #4f7d1e; --gc: #9a7400; --gd: #a6501c; --gf: #a12a2a;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #151514; --fg: #ecebe7; --muted: #a3a19b; --line: #2e2d2a; --card: #1d1c1a;
    --accent: #6fb0dd; --pq: #5cc28e; --warn: #e0a64a; --bad: #e57373; }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; } /* author display rules (flex, inline-block) must not show hidden elements */
body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
main { max-width: 64rem; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
a { color: var(--accent); }
.brand { font-weight: 600; letter-spacing: .01em; margin: 0 0 2rem; }
.brand a { color: inherit; text-decoration: none; }
.home h1 { font-size: clamp(1.8rem, 4vw, 2.6rem); line-height: 1.15; max-width: 40rem; margin: 3rem 0 .75rem; }
.sub { color: var(--muted); font-size: 1.15rem; margin: 0 0 2rem; max-width: 36rem; }
.scan { display: flex; gap: .5rem; max-width: 34rem; }
.scan input { flex: 1; min-width: 0; font: inherit; font-size: 1.1rem; padding: .7rem .9rem;
  border: 1px solid var(--line); border-radius: .5rem; background: var(--card); color: var(--fg); }
.scan input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button { font: inherit; cursor: pointer; }
.scan button { padding: .7rem 1.4rem; border: 0; border-radius: .5rem; background: var(--accent); color: #fff; font-weight: 600; }
.scan button:disabled { opacity: .6; cursor: default; }
.error { color: var(--bad); }
.result h1 { font-size: 1.8rem; margin: 0 0 .25rem; word-break: break-all; }
.progress, .meta { color: var(--muted); }
.card { display: flex; gap: 1.25rem; align-items: flex-start; background: var(--card); border: 1px solid var(--line);
  border-radius: .75rem; padding: 1.25rem; margin: 1rem 0 1.5rem; }
.grade { font-size: 3.5rem; font-weight: 700; line-height: 1; min-width: 3.5rem; text-align: center; }
.grade.A { color: var(--ga); } .grade.B { color: var(--gb); } .grade.C { color: var(--gc); }
.grade.D { color: var(--gd); } .grade.F { color: var(--gf); }
.verdict { min-width: 0; }
.verdict p { margin: 0 0 .5rem; overflow-wrap: anywhere; } #verdict { font-size: 1.15rem; font-weight: 500; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .92rem; }
th, td { text-align: left; padding: .5rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
td.host { font-weight: 500; overflow-wrap: anywhere; }
.s-pq { color: var(--pq); } .s-classical, .s-pq_not_preferred, .s-draft_only { color: var(--warn); }
.s-no_response { color: var(--muted); }
.flag { color: var(--bad); }
.link { background: none; border: 0; color: var(--accent); padding: .5rem 0; }
.actions { display: flex; gap: 1rem; align-items: center; margin-top: 1.5rem; flex-wrap: wrap; }
#copy { padding: .5rem 1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--card); color: var(--fg); }
tr.pending td { color: var(--muted); }
@media (max-width: 40rem) {
  .card { flex-direction: column; gap: .5rem; }
  .grade { text-align: left; }
  /* Stacked rows: one block per host, each value with its column label. */
  table, tbody, tr, td { display: block; width: 100%; }
  thead { display: none; }
  tr { border-bottom: 1px solid var(--line); padding: .6rem 0; }
  td { border: 0; padding: .1rem 0; display: flex; gap: .75rem; }
  td::before { content: attr(data-label); color: var(--muted); flex: 0 0 7.5rem; }
  td.host { font-size: 1rem; }
  td.host::before { content: none; }
}

/* Claims and the pack panel (PRD 3.1) */
.claims, .pack { margin-top: 1.75rem; }
.claims h2, .pack h2 { font-size: 1.1rem; margin: 0 0 .5rem; }
.claims ul { list-style: none; padding: 0; margin: 0; }
.claims li { padding: .6rem 0; border-bottom: 1px solid var(--line); display: flex; flex-wrap: wrap; gap: .25rem .75rem; align-items: baseline; }
.claims li span { flex: 1 1 24rem; }
.notsay li span { color: var(--muted); }
.pack { background: var(--card); border: 1px solid var(--line); border-radius: .75rem; padding: 1rem 1.25rem; }
.answer { border-top: 1px solid var(--line); padding-top: .75rem; margin-top: .75rem; }
.answer h3 { font-size: 1rem; margin: 0 0 .25rem; }
.answer p { margin: .25rem 0; }
.answer .long { color: var(--muted); }
.titles { columns: 2 18rem; padding-left: 1.1rem; color: var(--muted); }
button.primary { padding: .6rem 1.2rem; border: 0; border-radius: .5rem; background: var(--accent, #0b5cad); color: #fff; font: inherit; }
button.primary[disabled] { opacity: .6; }

/* Pack page (PRD 3.1 screen 3) */
.packpage h1 { font-size: 1.8rem; margin: 0 0 .25rem; word-break: break-all; }
.banner { background: #fff4d6; color: #5c4400; border: 1px solid #f0d58a; border-radius: .5rem; padding: .6rem .9rem; }
.badge-ok { color: var(--pq); font-weight: 600; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.button, .actions button:not(.primary) { display: inline-block; padding: .55rem 1rem; border: 1px solid var(--line); border-radius: .5rem;
  background: var(--card); color: var(--fg); text-decoration: none; font: inherit; }
.button.locked { opacity: .55; cursor: not-allowed; }
.answers { padding-left: 0; list-style: none; }
.answers .answer { border-top: 1px solid var(--line); padding: .9rem 0; }
.answers h3 { font-size: 1rem; margin: 0 0 .3rem; }
.qid { color: var(--muted); font-weight: 400; font-size: .85rem; margin-right: .35rem; }
.answers .short { margin: .2rem 0; }
.answers .needs .short { background: #ffe9e9; color: #7a1f1f; padding: .2rem .4rem; border-radius: .25rem; }
.evlabel { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; border: 1px solid var(--line); border-radius: .25rem; padding: 0 .3rem; margin-right: .3rem; }
.evlabel.verified { color: var(--pq); }
.fixes { width: 100%; border-collapse: collapse; }
.fixes td { border-bottom: 1px solid var(--line); padding: .45rem .3rem; vertical-align: top; overflow-wrap: anywhere; }
.fixes .due { white-space: nowrap; color: var(--muted); text-align: right; }
button.danger { padding: .6rem 1.2rem; border: 0; border-radius: .5rem; background: var(--bad); color: #fff; }
@media (prefers-color-scheme: dark) {
  .banner { background: #3a3220; color: #f2dfae; border-color: #5a4a26; }
  .answers .needs .short { background: #3d2222; color: #f3c4c4; }
}
/* Print / Save as PDF (FR-37): A4 and US Letter, nothing cut off, no buttons. */
@media print {
  @page { margin: 15mm; }
  body { background: #fff; color: #000; font-size: 11pt; }
  main { max-width: none; padding: 0; }
  .noprint, .banner, .copy, .actions { display: none !important; }
  details > * { display: block; }
  details summary { display: none; }
  .answers .answer { break-inside: avoid; }
  .fixes, .fixes tr { break-inside: avoid; }
  a { color: #000; }
  /* Tables fit the page width on A4 and US Letter: no scrolling box, long names wrap. */
  .table-wrap { overflow: visible !important; }
  table { width: 100% !important; table-layout: fixed; font-size: 9pt; }
  th, td { overflow-wrap: anywhere; word-break: break-word; }
  tr { break-inside: avoid; }
  tbody tr[hidden] { display: table-row !important; } /* every host, not the first five */
  nav.site, footer.site, form.scan, #copy, #again, #showall { display: none !important; }
}

/* Pack gate and one-tap question (PRD 3.1) */
.gate { margin-top: 1rem; }
.gate h3 { margin: 0 0 .25rem; }
.gate label.email { display: block; margin: .75rem 0; font-weight: 600; }
.gate label.email input { display: block; width: 100%; max-width: 28rem; margin-top: .3rem; font: inherit; padding: .6rem .8rem;
  border: 1px solid var(--line); border-radius: .5rem; background: var(--bg); color: var(--fg); }
.gate fieldset { border: 0; border-top: 1px solid var(--line); margin: 0; padding: .6rem 0; }
.gate legend { font-weight: 600; padding: 0; margin-bottom: .3rem; }
.gate fieldset label { display: inline-flex; gap: .3rem; align-items: center; margin: 0 1rem .3rem 0; }
.validate { margin: 1.5rem 0 1.75rem; }
.validate button { padding: .45rem .9rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--card); color: var(--fg); margin-right: .4rem; }
.disclaimer { font-weight: 600; }
.challenge { margin-top: 1rem; }
.challenge button { padding: .55rem 1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--card); color: var(--fg); }
.page article { max-width: 44rem; }
.page article h1 { font-size: 2rem; margin: 0 0 1rem; }
.page article h2 { font-size: 1.2rem; margin: 1.75rem 0 .5rem; }
footer.site { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line); color: var(--muted); font-size: .9rem; }
footer.site a { color: var(--muted); }
.share { margin: 1.5rem 0; padding: 1rem 1.25rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--card); }
.share .links { padding-left: 1.1rem; }
.request, .optout { margin-top: 2rem; }
.request button { padding: .55rem 1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--card); color: var(--fg); }
.hosts { width: 100%; border-collapse: collapse; }
.hosts th, .hosts td { text-align: left; border-bottom: 1px solid var(--line); padding: .45rem .4rem; }
nav.site { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; flex-wrap: wrap; margin: 0 0 2rem; }
nav.site .brand { margin: 0; font-weight: 600; color: inherit; text-decoration: none; }
nav.site span { display: flex; gap: 1rem; }
footer.site .footlinks a { margin-left: .4rem; }
.hub { list-style: none; padding: 0; } .hub li { margin: 0 0 1.25rem; } .hub li a { font-size: 1.15rem; font-weight: 500; }
.hub li p { margin: .2rem 0 0; color: var(--muted); }
.panel { margin: 1.5rem 0; }
a.button { display: inline-block; padding: .6rem 1.2rem; border-radius: .5rem; background: var(--accent); color: #fff; font-weight: 600; text-decoration: none; }
.explainer, .faq, .examples, .verify { margin-top: 2.5rem; max-width: 46rem; }
.verify { border-top: 1px solid var(--line); padding-top: 1.5rem; }
pre { background: var(--card); border: 1px solid var(--line); border-radius: .5rem; padding: .75rem 1rem; overflow-x: auto; font-size: .9rem; margin-bottom: .25rem; }
.copy-code { background: none; border: 0; color: var(--accent); padding: 0 0 1rem; }
.dns { margin: .5rem 0 1rem; }
.dns-record { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: .5rem 0; }
.dns-record dt { color: var(--muted); }
.dns-record dd { margin: 0; overflow-wrap: anywhere; }
.watch { margin-top: 2rem; }
.watch h2 { font-size: 1.15rem; margin: 0 0 .25rem; }
pre.snippet { white-space: pre-wrap; overflow-wrap: anywhere; }

/* Hierarchy on result-type pages: the brand and nav on top, the scanned domain as a small
   label, the grade and verdict as the headline (the answer people came for). */
nav.site .brand { font-size: 1.1rem; font-weight: 700; display: inline-flex; align-items: center; gap: .5rem; }
nav.site .mark { display: inline-block; background: var(--accent); color: #fff; border-radius: .35rem; padding: .15rem .35rem;
  font-size: .75rem; font-weight: 700; letter-spacing: .04em; line-height: 1.2; }
.result h1.eyebrow { font-size: 1rem; font-weight: 600; margin: 0 0 .5rem; color: var(--fg); word-break: break-all; }
/* "Results for x" on the left, the next scan on the right; stacked on narrow screens. */
.result-top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1rem; margin: 0 0 .75rem; }
.result-top h1.eyebrow { margin: 0; }
.scan.scan-again { flex: 0 1 22rem; }
.scan.scan-again input { font-size: .95rem; padding: .45rem .7rem; }
.scan.scan-again button { padding: .45rem 1rem; }
.result h1.eyebrow span { color: var(--muted); font-weight: 500; }
.card.hero { padding: 1.5rem; gap: 1.5rem; align-items: center; margin: .75rem 0 1rem; }
.card.hero .grade { font-size: 4.5rem; min-width: 6.5rem; padding: .6rem 0; border-radius: .75rem; background: var(--bg); }
.card.hero .grade.A { background: color-mix(in srgb, var(--ga) 12%, transparent); }
.card.hero .grade.B { background: color-mix(in srgb, var(--gb) 12%, transparent); }
.card.hero .grade.C { background: color-mix(in srgb, var(--gc) 12%, transparent); }
.card.hero .grade.D { background: color-mix(in srgb, var(--gd) 12%, transparent); }
.card.hero .grade.F { background: color-mix(in srgb, var(--gf) 12%, transparent); }
.card.hero #verdict { font-size: clamp(1.25rem, 2.6vw, 1.6rem); font-weight: 650; line-height: 1.3; }
.share-row { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; margin: 0 0 1.5rem; }
.button-secondary { display: inline-block; padding: .6rem 1.1rem; border: 1px solid var(--line); border-radius: .5rem; background: var(--card);
  color: var(--fg); font: inherit; text-decoration: none; cursor: pointer; }
.claims-sub { margin: -.25rem 0 .5rem; }
@media (max-width: 40rem) {
  .card.hero { flex-direction: row; align-items: center; }
  .card.hero .grade { font-size: 3.25rem; min-width: 4.5rem; }
}

/* Claims side by side: what you can claim, what you can't (one column on small screens). */
.claims-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 2.5rem; align-items: start; }
.claims-grid .claims li span { flex: 1 1 100%; }
.claims-grid .claims.notsay h2 { color: var(--bad); }
@media (max-width: 50rem) { .claims-grid { grid-template-columns: 1fr; } }

/* The grade ladder (A to F) and the change since the last check. */
.ladder { display: flex; gap: .3rem; list-style: none; padding: 0; margin: .6rem 0 .5rem; }
.ladder li { width: 1.9rem; height: 1.9rem; border-radius: .4rem; display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .9rem; color: var(--muted); border: 1px solid var(--line); }
.ladder li.current { color: #fff; border-color: transparent; }
.ladder li.current.A { background: var(--ga); } .ladder li.current.B { background: var(--gb); } .ladder li.current.C { background: var(--gc); }
.ladder li.current.D { background: var(--gd); } .ladder li.current.F { background: var(--gf); }
.ladder li.target { border: 2px dashed var(--accent); color: var(--accent); }
.change { font-weight: 600; font-size: .95rem; margin-bottom: .35rem !important; }
.change.up { color: var(--pq); } .change.down { color: var(--bad); }
.change.up::before { content: "▲ "; } .change.down::before { content: "▼ "; }
.watch { margin: 0 0 1.75rem; padding: 1rem 1.25rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--card); }