:root {
  color-scheme: light;
  --ink: #090d0b;
  --ink-soft: #141a17;
  --paper: #f2f5ef;
  --white: #fbfcf9;
  --line: #56625b;
  --line-light: #cad2cc;
  --muted: #667069;
  --acid: #c4ff3f;
  --cyan: #3bd9e8;
  --coral: #ff7467;
  --yellow: #ffcf4a;
  --max: 1480px;
}

* { box-sizing: border-box; letter-spacing: 0; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Arial, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  line-height: 1.5;
}
button, textarea, input, select { font: inherit; }
button, a, input, textarea, select { border-radius: 0; }
a { color: inherit; }
[hidden] { display: none !important; }

.skip-link {
  position: fixed;
  z-index: 100;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--acid);
  transform: translateY(-160%);
}
.skip-link:focus { transform: translateY(0); }

.topbar {
  position: sticky;
  z-index: 30;
  top: 0;
  display: flex;
  min-height: 56px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 0 28px;
  color: var(--white);
  background: var(--ink);
  border-bottom: 1px solid #39423d;
}
.brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 16px;
  text-decoration: none;
}
.brand strong, .brand span, .topbar nav a, .eyebrow, legend, .editor-field > span,
.editor-meta, .summary-grid span, .digest-row, .claim-row__index, .claim-row__priority,
.claim-row__pressure, .signal-list, .field > span, .footer, .telemetry, .mini-command {
  font-family: Consolas, "Courier New", monospace;
  font-weight: 700;
  text-transform: uppercase;
}
.brand strong { color: var(--acid); font-size: 15px; white-space: nowrap; }
.brand span { color: #aeb7b1; font-size: 9px; }
.topbar nav { display: flex; align-items: center; gap: 4px; }
.topbar nav a {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 10px;
  color: #d5dbd7;
  font-size: 9px;
  text-decoration: none;
}
.topbar nav a:hover, .topbar nav a:focus-visible { color: var(--ink); background: var(--acid); outline: 0; }

.audit-band { color: var(--white); background: var(--ink); }
.audit-shell, .result-shell, .export-shell, .method-shell, .privacy-shell, .research-shell {
  width: min(100%, var(--max));
  margin: 0 auto;
}
.audit-shell { padding: 54px 28px 64px; }
.audit-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, .65fr);
  align-items: end;
  gap: 64px;
  padding-bottom: 38px;
}
.eyebrow { margin: 0; color: #13cadd; font-size: 10px; line-height: 1.4; }
.audit-intro h1 {
  max-width: 900px;
  margin: 16px 0 0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 54px;
  line-height: 1.02;
  text-wrap: balance;
  overflow-wrap: anywhere;
}
.audit-intro > p { max-width: 520px; margin: 0; color: #c8d0cb; font-size: 16px; }
.telemetry {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  min-height: 52px;
  align-items: center;
  border-top: 1px solid #4a5550;
  border-bottom: 1px solid #4a5550;
  color: #abb4ae;
  font-size: 8px;
}
.telemetry > span { display: flex; min-height: 52px; align-items: center; gap: 8px; padding: 0 14px; border-right: 1px solid #4a5550; }
.telemetry > span:last-child { border-right: 0; }
.telemetry i { width: 7px; height: 7px; flex: 0 0 auto; background: var(--acid); }
.telemetry b { color: #dce2de; font: inherit; }

.workbench {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(360px, .82fr);
  margin-top: 34px;
  border: 1px solid #52605a;
}
.input-panel, .output-panel { min-width: 0; padding: 30px; }
.input-panel { border-right: 1px solid #52605a; }
.mode-control {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: 0 0 24px;
  padding: 22px 0 0;
  border: 0;
}
.mode-control legend { grid-column: 1 / -1; float: none; width: 100%; margin-bottom: 8px; color: #99a49d; font-size: 9px; }
.mode-control label { position: relative; min-width: 0; }
.mode-control input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.mode-control span {
  display: flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border: 1px solid #58655e;
  border-right: 0;
  color: #c5cdc8;
  font-family: Consolas, "Courier New", monospace;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}
.mode-control label:last-child span { border-right: 1px solid #58655e; }
.mode-control input:checked + span { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.mode-control input:focus-visible + span { outline: 2px solid var(--cyan); outline-offset: 2px; }

.editor-field { display: block; margin-top: 18px; }
.editor-field > span { display: block; margin-bottom: 8px; color: #a8b2ac; font-size: 9px; }
.editor-field textarea {
  width: 100%;
  resize: vertical;
  padding: 14px 15px;
  color: var(--white);
  background: #0f1512;
  border: 1px solid #56635c;
  caret-color: var(--acid);
  line-height: 1.55;
}
.editor-field--question textarea { min-height: 82px; }
.editor-field--answer textarea { min-height: 254px; }
.editor-field textarea::placeholder { color: #7c8880; }
.editor-field textarea:focus { border-color: var(--cyan); outline: 1px solid var(--cyan); }
.editor-meta { display: flex; min-height: 28px; align-items: center; justify-content: space-between; gap: 12px; color: #849087; font-size: 8px; }
.form-error { color: var(--coral); text-align: right; }
.input-actions { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 8px; margin-top: 18px; }
.command {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 15px;
  color: var(--white);
  background: transparent;
  border: 1px solid #c3cbc6;
  font-family: Consolas, "Courier New", monospace;
  font-size: 9px;
  font-weight: 800;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
}
.command:hover, .command:focus-visible { color: var(--ink); background: var(--white); outline: 0; }
.command--acid { color: var(--ink); background: var(--acid); border-color: var(--acid); }
.command--acid:hover, .command--acid:focus-visible { background: var(--cyan); border-color: var(--cyan); }
.command--quiet { color: #a0aba4; border-color: #56635c; }

.output-panel { display: flex; align-items: stretch; background: #0d120f; }
.idle-state, .summary-state { width: 100%; align-self: center; }
.idle-state h2, .summary-state h2 {
  margin: 14px 0 16px;
  font-family: Consolas, "Courier New", monospace;
  font-size: 34px;
  line-height: 1.08;
}
.idle-state > p:not(.eyebrow) { max-width: 520px; margin: 0; color: #b4bdb7; }
.idle-state ol { margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid #465149; }
.idle-state li { display: grid; grid-template-columns: 42px 1fr; align-items: center; min-height: 58px; border-bottom: 1px solid #465149; }
.idle-state li span { color: var(--cyan); font-family: Consolas, "Courier New", monospace; font-size: 10px; }
.idle-state li b { color: #d6ddd8; font-size: 13px; }
.practice-label { display: inline-flex; margin: 0 0 18px; padding: 7px 9px; color: var(--ink); background: var(--yellow); font-family: Consolas, "Courier New", monospace; font-size: 8px; font-weight: 800; }
.summary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 26px; border-top: 1px solid #4b5750; border-left: 1px solid #4b5750; }
.summary-grid div { min-height: 104px; padding: 18px; border-right: 1px solid #4b5750; border-bottom: 1px solid #4b5750; }
.summary-grid strong { display: block; color: var(--acid); font-family: Consolas, "Courier New", monospace; font-size: 32px; }
.summary-grid span { display: block; margin-top: 10px; color: #9ca79f; font-size: 8px; }
.review-progress { margin-top: 22px; }
.review-progress > div { display: flex; justify-content: space-between; gap: 16px; color: #aab3ad; font-family: Consolas, "Courier New", monospace; font-size: 9px; }
.review-progress strong { color: var(--white); }
.review-progress progress { width: 100%; height: 7px; margin-top: 8px; appearance: none; border: 0; background: #313a35; }
.review-progress progress::-webkit-progress-bar { background: #313a35; }
.review-progress progress::-webkit-progress-value { background: var(--cyan); }
.review-progress progress::-moz-progress-bar { background: var(--cyan); }
.digest-row { display: flex; justify-content: space-between; gap: 14px; margin-top: 20px; color: #8f9a93; font-size: 8px; }
.digest-row code { color: var(--cyan); }
.truth-limit { margin: 18px 0 0; padding-left: 12px; color: #adb7b0; border-left: 3px solid var(--coral); font-size: 12px; }

.result-band { background: var(--paper); }
.result-shell { display: grid; grid-template-columns: 330px minmax(0, 1fr); gap: 42px; padding: 68px 28px 82px; }
.findings { position: sticky; top: 84px; align-self: start; }
.findings h2, .claim-map > header h2, .export-shell h2, .section-heading h2, .privacy-shell h2, .research-shell h2 {
  margin: 13px 0 0;
  font-family: Consolas, "Courier New", monospace;
  font-size: 34px;
  line-height: 1.08;
}
.findings ol { margin: 28px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.findings li { display: grid; grid-template-columns: 36px 1fr; gap: 8px; padding: 16px 0; border-bottom: 1px solid var(--line-light); }
.findings li span { color: #009bad; font-family: Consolas, "Courier New", monospace; font-size: 10px; }
.findings li p { margin: 0; font-size: 13px; }
.claim-map { min-width: 0; }
.claim-map > header { padding-bottom: 24px; border-bottom: 2px solid var(--ink); }
.claim-list { display: grid; gap: 14px; margin-top: 18px; }
.claim-row { overflow: hidden; background: var(--white); border: 1px solid #89938d; border-left: 5px solid #89938d; border-radius: 4px; }
.claim-row--verify-first { border-left-color: var(--coral); }
.claim-row--high { border-left-color: var(--yellow); }
.claim-row[data-status="supported"] { border-left-color: #20a469; }
.claim-row[data-status="contradicted"] { border-left-color: #d94b40; }
.claim-row[data-status="unclear"] { border-left-color: #778078; }
.claim-row__heading { display: flex; min-height: 50px; align-items: center; justify-content: space-between; gap: 14px; padding: 10px 16px; background: #e8ece7; border-bottom: 1px solid #c6cec8; }
.claim-row__heading > div { display: flex; align-items: center; gap: 14px; }
.claim-row__index, .claim-row__pressure { color: #4f5953; font-size: 8px; }
.claim-row__priority { color: var(--ink); font-size: 9px; }
.claim-row--verify-first .claim-row__priority { color: #b62f27; }
.claim-row__text { margin: 0; padding: 22px 18px 12px; font-size: 17px; font-weight: 700; line-height: 1.55; overflow-wrap: anywhere; }
.signal-list { display: flex; flex-wrap: wrap; gap: 5px; padding: 0 18px 16px; }
.signal-list span { padding: 5px 7px; color: #33403a; background: #dce3dd; font-size: 7px; }
.signal-list span[data-signal="high-impact"], .signal-list span[data-signal="absolute"] { color: #7d201c; background: #ffd8d3; }
.signal-list span[data-signal="temporal"], .signal-list span[data-signal="date"] { color: #705300; background: #ffedb8; }
.signal-list span[data-signal="citation"] { color: #005b66; background: #c9f4f7; }
.claim-row__commands { display: flex; gap: 6px; padding: 0 18px 18px; }
.mini-command { min-height: 34px; padding: 7px 10px; color: var(--ink); background: transparent; border: 1px solid #79837d; font-size: 8px; cursor: pointer; }
.mini-command:hover, .mini-command:focus-visible { background: var(--acid); border-color: var(--ink); outline: 0; }
.claim-row__evidence { display: grid; grid-template-columns: 1fr 210px 1fr; border-top: 1px solid #bcc5bf; }
.field { min-width: 0; padding: 13px 16px 16px; border-right: 1px solid #bcc5bf; }
.field:last-child { border-right: 0; }
.field > span { display: block; margin-bottom: 7px; color: #5e6862; font-size: 8px; }
.field input, .field select, .field textarea { width: 100%; min-height: 39px; padding: 8px 9px; color: var(--ink); background: #f8faf7; border: 1px solid #8e9992; }
.field textarea { resize: vertical; line-height: 1.4; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: #008fa0; outline: 1px solid #008fa0; }

.export-band { color: var(--white); background: var(--ink-soft); }
.export-shell { position: relative; display: grid; grid-template-columns: minmax(260px, .55fr) minmax(0, 1.45fr); align-items: end; gap: 52px; padding: 52px 28px; }
.export-actions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
.copy-status { position: absolute; right: 28px; bottom: 14px; color: var(--acid); font-family: Consolas, "Courier New", monospace; font-size: 8px; }

.method-band { background: var(--white); }
.method-shell { padding: 78px 28px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .6fr); gap: 60px; align-items: end; }
.section-heading > p { margin: 0; color: #4f5953; }
.method-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 42px; border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.method-steps article { min-height: 190px; padding: 24px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.method-steps h3 { margin: 0; font-family: Consolas, "Courier New", monospace; font-size: 13px; }
.method-steps p { margin: 28px 0 0; color: #4d5751; }

.privacy-band { color: var(--white); background: #111713; }
.privacy-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .7fr); gap: 80px; padding: 74px 28px; }
.privacy-shell > div > p:not(.eyebrow) { max-width: 780px; color: #b9c1bc; }
.limit-list { align-self: end; border-top: 1px solid #59645e; }
.limit-list h3 { margin: 18px 0; font-family: Consolas, "Courier New", monospace; font-size: 13px; }
.limit-list ul { margin: 0; padding: 0; list-style: none; }
.limit-list li { padding: 12px 0; color: #c3cbc6; border-top: 1px solid #39413d; }

.research-band { background: var(--acid); }
.research-shell { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .8fr); gap: 64px; padding: 64px 28px; }
.research-shell .eyebrow { color: #006e78; }
.research-shell p:not(.eyebrow) { max-width: 760px; }
.research-shell nav { display: grid; align-content: end; border-top: 1px solid var(--ink); }
.research-shell nav a { display: flex; min-height: 42px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ink); font-family: Consolas, "Courier New", monospace; font-size: 10px; font-weight: 800; text-decoration: none; }
.research-shell nav a:hover, .research-shell nav a:focus-visible { padding-left: 10px; background: var(--white); outline: 0; }

.footer { display: grid; grid-template-columns: 1fr auto 1fr; min-height: 64px; align-items: center; gap: 20px; padding: 0 28px; color: #c6cec9; background: var(--ink); font-size: 8px; }
.footer > a { color: var(--acid); text-decoration: none; }
.footer > span { color: #77827b; }
.footer nav { display: flex; justify-content: flex-end; gap: 16px; }
.footer nav a { text-decoration: none; }
.footer nav a:hover, .footer nav a:focus-visible { color: var(--acid); outline: 0; }

@media (max-width: 1040px) {
  .audit-intro { grid-template-columns: 1fr; gap: 22px; }
  .audit-intro > p { max-width: 760px; }
  .workbench { grid-template-columns: 1fr; }
  .input-panel { border-right: 0; border-bottom: 1px solid #52605a; }
  .result-shell { grid-template-columns: 1fr; }
  .findings { position: static; }
  .findings ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-left: 1px solid var(--line-light); }
  .findings li { padding: 16px; border-right: 1px solid var(--line-light); }
  .claim-row__evidence { grid-template-columns: 1fr 190px; }
  .claim-row__evidence .field:last-child { grid-column: 1 / -1; border-top: 1px solid #bcc5bf; }
  .field:nth-child(2) { border-right: 0; }
}

@media (max-width: 760px) {
  .topbar { min-height: 52px; padding: 0 14px; gap: 8px; }
  .brand span { display: none; }
  .brand strong { font-size: 12px; }
  .topbar nav { gap: 0; }
  .topbar nav a { min-height: 32px; padding: 0 6px; font-size: 7px; }
  .topbar nav a:nth-child(3) { display: none; }
  .audit-shell { padding: 34px 14px 42px; }
  .audit-intro { padding-bottom: 26px; }
  .audit-intro h1 { font-size: 36px; }
  html[lang="zh-Hans"] .audit-intro h1 { word-break: keep-all; }
  .audit-intro > p { font-size: 14px; }
  .telemetry { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .telemetry > span:nth-child(2) { border-right: 0; }
  .telemetry > span:nth-child(-n+2) { border-bottom: 1px solid #4a5550; }
  .workbench { margin-top: 22px; }
  .input-panel, .output-panel { padding: 18px; }
  .mode-control span { padding: 6px 4px; font-size: 8px; }
  .input-actions { grid-template-columns: 1fr; }
  .command { min-height: 44px; }
  .idle-state h2, .summary-state h2 { font-size: 28px; }
  .summary-grid div { min-height: 88px; padding: 14px; }
  .summary-grid strong { font-size: 27px; }
  .result-shell { gap: 34px; padding: 48px 14px 56px; }
  .findings h2, .claim-map > header h2, .export-shell h2, .section-heading h2, .privacy-shell h2, .research-shell h2 { font-size: 28px; }
  .findings ol { grid-template-columns: 1fr; }
  .claim-row__heading { align-items: flex-start; }
  .claim-row__heading > div { align-items: flex-start; flex-direction: column; gap: 2px; }
  .claim-row__text { padding: 18px 14px 10px; font-size: 15px; }
  .signal-list, .claim-row__commands { padding-left: 14px; padding-right: 14px; }
  .claim-row__commands { display: grid; grid-template-columns: 1fr 1fr; }
  .claim-row__evidence { grid-template-columns: 1fr; }
  .field, .field:nth-child(2) { border-right: 0; border-bottom: 1px solid #bcc5bf; }
  .claim-row__evidence .field:last-child { grid-column: auto; border-top: 0; border-bottom: 0; }
  .export-shell { grid-template-columns: 1fr; gap: 26px; padding: 46px 14px; }
  .export-actions { grid-template-columns: 1fr; }
  .copy-status { right: 14px; }
  .method-shell { padding: 56px 14px; }
  .section-heading { grid-template-columns: 1fr; gap: 20px; }
  .method-steps { grid-template-columns: 1fr; margin-top: 30px; }
  .method-steps article { min-height: 150px; }
  .privacy-shell, .research-shell { grid-template-columns: 1fr; gap: 36px; padding: 54px 14px; }
  .footer { grid-template-columns: 1fr auto; min-height: 76px; padding: 14px; }
  .footer > span { display: none; }
  .footer nav { flex-wrap: wrap; gap: 10px; }
}

@media (max-width: 390px) {
  .audit-intro h1 { font-size: 33px; }
  .topbar nav a { padding: 0 5px; }
  .brand strong { font-size: 11px; }
  .summary-grid { grid-template-columns: 1fr; }
  .summary-grid div { min-height: 72px; }
  .summary-grid strong { font-size: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

@media print {
  .topbar, .input-panel, .export-band, .research-band, .footer, .claim-row__commands { display: none !important; }
  .audit-band, .privacy-band { color: var(--ink); background: var(--white); }
  .workbench, .output-panel { display: block; border: 0; background: var(--white); }
  .result-shell { display: block; padding: 20px; }
  .findings { margin-bottom: 30px; }
  .claim-row { break-inside: avoid; }
}