/* AI Answer Index — one hand-written stylesheet.
   Direction: public-records ledger. Cool archival paper, ink, hairline rules,
   a single stamp-red accent. Serif display (Newsreader), quiet system body,
   monospace for anything that is data. */

:root {
  --paper: #f2f3f1;
  --paper-deep: #e9eae6;
  --ink: #191c1e;
  --ink-soft: #4c5256;
  --ink-faint: #7d8387;
  --rule: #c9ccc6;
  --rule-strong: #191c1e;
  --stamp: #9e2b25;        /* the one accent: record-stamp red */
  --stamp-soft: #f3e4e2;
  --serif: "Newsreader", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
}

.wrap { max-width: 68rem; margin: 0 auto; padding: 0 1.25rem; }

a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--rule); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--stamp); color: var(--stamp); }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--stamp);
  outline-offset: 2px;
}

/* ---------- header / footer ---------- */

.site-head .wrap {
  display: flex; align-items: baseline; justify-content: space-between;
  padding-top: 1.4rem; padding-bottom: 0.9rem; gap: 1rem; flex-wrap: wrap;
}
.wordmark {
  font-family: var(--serif);
  font-weight: 700; font-size: 1.35rem; letter-spacing: 0.01em;
  text-decoration: none;
}
.site-head nav { display: flex; gap: 1.4rem; font-size: 0.86rem; }
.site-head nav a { text-decoration: none; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.08em; }
.site-head nav a:hover { color: var(--stamp); }

.rule-double { border-top: 2px solid var(--rule-strong); border-bottom: 1px solid var(--rule-strong); height: 5px; }

.site-foot { margin-top: 5rem; }
.site-foot .wrap { padding-top: 1.5rem; padding-bottom: 3rem; }
.site-foot p { font-size: 0.82rem; color: var(--ink-faint); max-width: 62ch; margin-bottom: 0.7rem; }
.foot-meta { padding-top: 0.6rem; border-top: 1px solid var(--rule); }

/* ---------- type ---------- */

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.12; }
h1 { font-size: clamp(2.2rem, 5.5vw, 3.6rem); letter-spacing: -0.01em; margin: 2.4rem 0 1rem; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); margin: 2.6rem 0 0.8rem; }
h3 { font-size: 1.15rem; margin: 1.8rem 0 0.5rem; }

.lede { font-size: 1.14rem; color: var(--ink-soft); max-width: 58ch; }
.prose { max-width: 65ch; }
.prose p, .prose ul, .prose ol { margin: 0.85rem 0; }
.prose li { margin-left: 1.3rem; }
.prose code { font-family: var(--mono); font-size: 0.88em; background: var(--paper-deep); padding: 0.1em 0.35em; }
.prose pre { background: var(--paper-deep); border: 1px solid var(--rule); padding: 0.9rem 1rem; overflow-x: auto; font-family: var(--mono); font-size: 0.82rem; line-height: 1.5; margin: 1rem 0; }

/* The exact prompt sent to the engines. It is prose, so it wraps rather than
   scrolling — a clipped prompt undermines the point of publishing it. */
.prompt-block {
  background: var(--paper-deep); border-left: 3px solid var(--stamp);
  padding: 0.9rem 1.1rem; margin: 1rem 0; max-width: 65ch;
  font-family: var(--mono); font-size: 0.82rem; line-height: 1.6;
  white-space: pre-wrap; overflow-wrap: anywhere;
}

.eyebrow {
  font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase;
  letter-spacing: 0.14em; color: var(--ink-faint); display: block; margin-bottom: 0.5rem;
}

/* ---------- the verdict stamp (signature element) ---------- */

.stamp {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.28em 0.7em;
  border: 2px solid currentColor;
  border-radius: 2px;
  transform: rotate(-1.5deg);
  white-space: nowrap;
}
.stamp-named { color: var(--ink); }
.stamp-absent { color: var(--stamp); background: var(--stamp-soft); }
.stamp-neutral { color: var(--ink-faint); border-style: dashed; transform: none; }

/* ---------- hero + check form ---------- */

.hero { padding-top: 1.5rem; }
.hero .counts { font-family: var(--mono); font-size: 0.8rem; color: var(--ink-faint); margin-top: 0.9rem; }

.check-form {
  margin-top: 2rem;
  border: 1px solid var(--rule-strong);
  background: #fbfbfa;
  padding: 1.4rem;
  max-width: 44rem;
}
.check-form .form-title {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 1rem;
}
.check-fields { display: flex; gap: 0.8rem; flex-wrap: wrap; }
.check-fields label { flex: 1 1 14rem; font-size: 0.8rem; color: var(--ink-soft); display: block; }
.check-fields input {
  display: block; width: 100%; margin-top: 0.3rem;
  font: 1rem var(--sans); color: var(--ink);
  padding: 0.6rem 0.7rem; border: 1px solid var(--rule); background: #fff; border-radius: 0;
}
.check-form button {
  margin-top: 1rem; cursor: pointer;
  font: 700 0.9rem var(--sans); letter-spacing: 0.03em;
  color: var(--paper); background: var(--ink);
  border: 2px solid var(--ink); border-radius: 0;
  padding: 0.7rem 1.6rem;
}
.check-form button:hover { background: var(--stamp); border-color: var(--stamp); }
.check-form button[disabled] { opacity: 0.6; cursor: wait; }
.check-note { font-size: 0.78rem; color: var(--ink-faint); margin-top: 0.8rem; }
#check-progress { font-family: var(--mono); font-size: 0.82rem; margin-top: 1rem; color: var(--ink-soft); white-space: pre-line; }
#check-error { color: var(--stamp); font-size: 0.85rem; margin-top: 0.8rem; }
.hidden { display: none; }

/* ---------- ledger tables ---------- */

table.ledger { width: 100%; border-collapse: collapse; margin: 1.2rem 0 2rem; font-size: 0.92rem; }
table.ledger caption { text-align: left; font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-faint); padding-bottom: 0.5rem; }
table.ledger th {
  text-align: left; font-family: var(--mono); font-weight: 400; font-size: 0.72rem;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--ink-faint);
  border-bottom: 2px solid var(--rule-strong); padding: 0.45rem 0.9rem 0.45rem 0;
}
table.ledger td { border-bottom: 1px solid var(--rule); padding: 0.55rem 0.9rem 0.55rem 0; vertical-align: top; }
table.ledger td.num { font-family: var(--mono); font-size: 0.85rem; }
.table-scroll { overflow-x: auto; }

/* Rank-over-time grid. The absent marker is deliberately quiet — a business
   missing from one run is a fact, not an accusation. */
table.hist th[scope="col"] { white-space: nowrap; }
table.hist td.hist-cell { font-variant-numeric: tabular-nums; text-align: right; padding-right: 1.4rem; }
table.hist td.hist-absent { color: var(--rule); }
table.hist td.hist-entered { color: var(--stamp); font-weight: 700; }
table.hist tbody tr:hover { background: var(--paper-deep); }

/* ---------- run record blocks ---------- */

.run-block { border: 1px solid var(--rule); background: #fbfbfa; padding: 1.1rem 1.2rem; margin: 1.2rem 0; }
.run-meta { font-family: var(--mono); font-size: 0.78rem; color: var(--ink-soft); border-bottom: 1px solid var(--rule); padding-bottom: 0.6rem; margin-bottom: 0.8rem; }
.run-engine { font-weight: 700; color: var(--ink); }
.run-model { color: var(--ink-faint); }
ol.mention-list { list-style: none; counter-reset: mention; }
ol.mention-list li { counter-increment: mention; padding: 0.55rem 0; border-bottom: 1px solid var(--paper-deep); display: flex; gap: 0.9rem; }
ol.mention-list li::before {
  content: counter(mention, decimal-leading-zero);
  font-family: var(--mono); font-size: 0.8rem; color: var(--stamp); padding-top: 0.15rem;
}
.mention-name { font-weight: 600; }
.mention-snippet { display: block; font-size: 0.85rem; color: var(--ink-soft); font-style: italic; margin-top: 0.15rem; }
.mention-snippet::before { content: "“"; }
.mention-snippet::after { content: "”"; }
.mention-src { font-family: var(--mono); font-size: 0.75rem; }

/* ---------- misc ---------- */

.notice { border-left: 3px solid var(--stamp); background: var(--stamp-soft); padding: 0.8rem 1rem; font-size: 0.9rem; margin: 1.2rem 0; max-width: 60ch; }
.quiet-notice { border: 1px dashed var(--rule); padding: 0.8rem 1rem; font-size: 0.9rem; color: var(--ink-soft); margin: 1.2rem 0; max-width: 60ch; }

.cta-box { border: 2px solid var(--ink); padding: 1.3rem 1.4rem; margin: 2rem 0; max-width: 44rem; background: #fbfbfa; }
.cta-box .price { font-family: var(--serif); font-size: 1.9rem; }
.btn {
  display: inline-block; text-decoration: none; cursor: pointer;
  font: 700 0.9rem var(--sans); letter-spacing: 0.03em;
  color: var(--paper); background: var(--ink);
  border: 2px solid var(--ink); padding: 0.65rem 1.5rem; margin-top: 0.8rem;
}
.btn:hover { background: var(--stamp); border-color: var(--stamp); color: var(--paper); }
.btn-quiet { background: transparent; color: var(--ink); }
.btn-quiet:hover { background: transparent; color: var(--stamp); }

form.plain label { display: block; font-size: 0.85rem; color: var(--ink-soft); margin-top: 1rem; }
.field-note { display: block; max-width: 42rem; margin-top: 0.35rem; font-size: 0.78rem; color: var(--ink-faint); line-height: 1.5; }
fieldset.method-choice { border: 1px solid var(--rule); padding: 0.8rem 1rem; margin-top: 1rem; max-width: 28rem; }
fieldset.method-choice legend { font-size: 0.8rem; color: var(--ink-soft); padding: 0 0.4rem; }
form.plain label.inline { display: flex; align-items: center; gap: 0.5rem; margin-top: 0.4rem; font-size: 0.9rem; color: var(--ink); }
form.plain label.inline input { width: auto; margin: 0; }

form.plain input, form.plain select, form.plain textarea {
  display: block; width: 100%; max-width: 28rem; margin-top: 0.3rem;
  font: 1rem var(--sans); padding: 0.55rem 0.7rem; border: 1px solid var(--rule); background: #fff; border-radius: 0;
}

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); gap: 1.5rem; margin: 1.5rem 0; }

@media (prefers-reduced-motion: no-preference) {
  .stamp-absent { animation: stamp-in 240ms ease-out; }
  @keyframes stamp-in {
    from { transform: rotate(-1.5deg) scale(1.6); opacity: 0; }
    to { transform: rotate(-1.5deg) scale(1); opacity: 1; }
  }
}

@media (max-width: 40rem) {
  .site-head nav { gap: 0.9rem; }
  h1 { margin-top: 1.6rem; }
}