/* Verify-it-yourself — static, self-contained. No webfonts, no external
   assets: the page must render identically offline from file://. */

:root {
  --paper: #faf8f5;
  --panel: #ffffff;
  --ink: #26202b;
  --ink-muted: #6b6470;
  --aubergine: #4e2a5a;
  --aubergine-soft: #efe7f2;
  --verify-green: #1e6b4f;
  --verify-green-soft: #e7f2ec;
  --fail-red: #a32c2c;
  --fail-red-soft: #f7e9e9;
  --line: #d9d2cc;
  --line-soft: #e9e3dd;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    "Liberation Mono", monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

a {
  color: var(--aubergine);
}

code {
  font-family: var(--mono);
  font-size: 0.9em;
  background: var(--aubergine-soft);
  padding: 0.1em 0.35em;
  border-radius: 3px;
}

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

.masthead {
  padding: 56px 0 0;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--aubergine);
}

.masthead h1 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(34px, 6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 10px 0 18px;
  color: var(--ink);
}

.standfirst {
  font-size: 18px;
  line-height: 1.65;
  max-width: 64ch;
  margin: 0 0 28px;
}

.standfirst strong {
  color: var(--aubergine);
}

.plate {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  padding: 14px 0 26px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
  border-bottom: none;
}

.plate span {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 4px 12px;
  background: var(--panel);
  white-space: nowrap;
}

.plate span b {
  color: var(--ink);
  font-weight: 600;
}

/* -------------------------------------------------------------- sections */

.step {
  border-top: 1px solid var(--line);
  padding: 40px 0 8px;
  margin-top: 24px;
}

.step-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 6px;
}

.step-no {
  font-family: var(--mono);
  font-size: 13px;
  color: var(--aubergine);
  letter-spacing: 0.08em;
}

.step h2 {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 27px;
  line-height: 1.2;
  margin: 0;
}

.step > p,
.step .lede {
  max-width: 66ch;
}

.note {
  color: var(--ink-muted);
  font-size: 14.5px;
  max-width: 66ch;
}

/* ---------------------------------------------------------------- panels */

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px 20px;
  margin: 18px 0;
}

.panel-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
}

.panel-label .tag {
  color: var(--aubergine);
  letter-spacing: 0.08em;
}

pre.blob {
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.55;
  margin: 0;
  overflow-x: auto;
  max-height: 380px;
  overflow-y: auto;
  white-space: pre;
  color: var(--ink);
}

pre.blob mark {
  background: var(--fail-red);
  color: #fff;
  padding: 0 1px;
  border-radius: 2px;
}

.keybox {
  font-family: var(--mono);
  font-size: 14px;
  word-break: break-all;
  line-height: 1.7;
  color: var(--ink);
}

.claimbox .claim-words {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
  margin: 0 0 10px;
}

.claimbox .claim-words code {
  font-family: var(--mono);
  font-size: 13.5px;
  background: rgba(167, 139, 250, 0.12);
  padding: 1px 5px;
  border-radius: 3px;
}

.claimbox .claim-meta {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--ink-muted);
  margin: 4px 0 0;
}

.claimbox .claim-meta.binding-ok { color: #1d7a4f; }
.claimbox .claim-meta.binding-bad { color: #b3352f; }

.fingerprint {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-muted);
  margin-top: 8px;
}

.fingerprint b {
  color: var(--aubergine);
  font-weight: 600;
}

/* ---------------------------------------------------------------- inputs */

label.field-label {
  display: block;
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin: 16px 0 6px;
}

input[type="text"],
textarea {
  width: 100%;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  line-height: 1.5;
}

textarea {
  min-height: 180px;
  resize: vertical;
}

input[type="text"]:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--aubergine);
  outline-offset: 2px;
}

/* --------------------------------------------------------------- buttons */

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 18px 0;
}

button {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  border-radius: 6px;
  padding: 10px 22px;
  cursor: pointer;
  border: 1px solid transparent;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--aubergine);
  color: #fff;
}

.btn-primary:hover:not(:disabled) {
  background: #3e2148;
}

.btn-danger {
  background: var(--panel);
  color: var(--fail-red);
  border-color: var(--fail-red);
}

.btn-danger:hover:not(:disabled) {
  background: var(--fail-red-soft);
}

.btn-quiet {
  background: var(--panel);
  color: var(--ink);
  border-color: var(--line);
}

.btn-quiet:hover:not(:disabled) {
  background: var(--aubergine-soft);
}

/* ---------------------------------------------------- verdict + ledger */

.verdict {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  padding: 20px;
  margin: 18px 0;
}

.verdict-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

.stamp {
  font-family: var(--mono);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  padding: 10px 20px 10px 24px;
  border: 3px double currentColor;
  border-radius: 6px;
  transform: rotate(-2deg);
  user-select: none;
}

.stamp.pass {
  color: var(--verify-green);
  background: var(--verify-green-soft);
}

.stamp.fail {
  color: var(--fail-red);
  background: var(--fail-red-soft);
}

.stamp.idle {
  color: var(--ink-muted);
  background: var(--paper);
  border-style: dashed;
  border-width: 1px;
  padding: 12px 22px 12px 26px;
  transform: none;
  font-size: 13px;
  letter-spacing: 0.14em;
  font-weight: 600;
}

.verdict-sub {
  font-size: 14.5px;
  color: var(--ink-muted);
  max-width: 46ch;
  margin: 0;
}

.ledger {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
}

.ledger li {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 2px;
  border-top: 1px dotted var(--line);
  font-size: 14.5px;
}

.ledger li:first-child {
  border-top: 1px solid var(--line);
}

.ledger .mark {
  font-family: var(--mono);
  font-weight: 700;
  width: 1.4em;
  flex: none;
  text-align: center;
}

.ledger .pass .mark {
  color: var(--verify-green);
}

.ledger .fail .mark {
  color: var(--fail-red);
}

.ledger .skip .mark,
.ledger .skip .what {
  color: var(--ink-muted);
}

.ledger .what {
  flex: 1;
}

.ledger .how {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-muted);
  white-space: nowrap;
}

.verdict-error {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--fail-red);
  background: var(--fail-red-soft);
  border-radius: 6px;
  padding: 10px 12px;
  margin: 14px 0 0;
  word-break: break-word;
}

.provenance {
  font-family: var(--mono);
  font-size: 11.5px;
  color: var(--ink-muted);
  margin-top: 14px;
}

.tamper-note {
  font-size: 14.5px;
  background: var(--fail-red-soft);
  border: 1px solid var(--fail-red);
  border-radius: 6px;
  padding: 10px 14px;
  margin: 14px 0;
  max-width: 66ch;
}

.tamper-note code {
  background: #fff;
}

/* ---------------------------------------------------------- honesty panel */

.honesty {
  background: var(--aubergine-soft);
  border: 1px solid var(--aubergine);
  border-radius: 10px;
  padding: 30px 30px 12px;
  margin: 22px 0;
}

.honesty h2 {
  font-family: var(--serif);
  font-size: 27px;
  margin: 0 0 4px;
  color: var(--aubergine);
}

.honesty-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 34px;
  margin-top: 18px;
}

.honesty-col h3 {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  margin: 0 0 6px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--aubergine);
}

.honesty-col.proves h3 {
  color: var(--verify-green);
  border-color: var(--verify-green);
}

.honesty-col.disproves h3 {
  color: var(--fail-red);
  border-color: var(--fail-red);
}

.honesty-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.honesty-col li {
  padding: 12px 0;
  border-top: 1px dotted rgba(78, 42, 90, 0.35);
  font-size: 15px;
  line-height: 1.6;
}

.honesty-col li:first-child {
  border-top: none;
}

.honesty-col li b {
  display: block;
  font-weight: 650;
}

.honesty-foot {
  font-size: 13.5px;
  color: var(--ink-muted);
  border-top: 1px solid rgba(78, 42, 90, 0.35);
  margin-top: 8px;
  padding: 14px 0 12px;
}

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

footer {
  border-top: 1px solid var(--line);
  margin-top: 48px;
  padding-top: 22px;
  font-size: 13.5px;
  color: var(--ink-muted);
}

footer p {
  max-width: 72ch;
  margin: 0 0 10px;
}

/* ------------------------------------------------------------ small bits */

.loading-strip {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--ink-muted);
}

.downloads {
  font-size: 13.5px;
  margin-top: 10px;
}

.noscript-note {
  font-family: var(--mono);
  padding: 20px;
}

@media (max-width: 640px) {
  .honesty-grid {
    grid-template-columns: 1fr;
  }

  .honesty {
    padding: 22px 20px 8px;
  }

  .ledger .how {
    display: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .stamp.pass,
  .stamp.fail {
    animation: stamp-in 240ms ease-out;
  }

  @keyframes stamp-in {
    from {
      transform: rotate(-2deg) scale(1.25);
      opacity: 0;
    }

    to {
      transform: rotate(-2deg) scale(1);
      opacity: 1;
    }
  }
}