/* Satoshi correspondence archive ----------------------------------------- */

.satoshi-correspondence-page {
  --archive-gold: #e1b969;
  --archive-cyan: #89d9e5;
  --archive-red: #e78a81;
  --archive-rule: rgb(157 164 184 / 0.2);
  --archive-rule-strong: rgb(190 195 211 / 0.34);
  --archive-surface: rgb(9 11 18 / 0.72);
  background:
    radial-gradient(circle at 15% 5%, rgb(247 147 26 / 0.07), transparent 29rem),
    radial-gradient(circle at 82% 24%, rgb(93 174 203 / 0.055), transparent 33rem),
    #0b0d14;
}

.satoshi-correspondence-page .research-article {
  max-width: 1440px;
}

.archive-hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(310px, 0.48fr);
  gap: clamp(46px, 8vw, 118px);
  padding: clamp(72px, 9vw, 124px) 0 clamp(62px, 8vw, 104px);
  border-bottom: 1px solid var(--archive-rule-strong);
}

.archive-hero::before {
  position: absolute;
  inset: 25px 0 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--archive-rule), transparent);
  content: '';
}

.archive-kicker,
.archive-coordinate,
.archive-scope-label,
.archive-section-kicker,
.archive-record-coordinate,
.archive-filter-label,
.archive-quote-number {
  color: var(--archive-gold);
  font-family: var(--research-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  line-height: 1.5;
  text-transform: uppercase;
}

.archive-hero h1 {
  max-width: 13ch;
  margin: 19px 0 28px;
  color: var(--research-ink);
  font-size: clamp(3rem, 7.2vw, 7rem);
  font-weight: 400;
  letter-spacing: -0.065em;
  line-height: 0.92;
  text-wrap: balance;
}

.archive-hero-dek {
  max-width: 760px;
  margin: 0;
  color: #c9c7c0;
  font-size: clamp(1.05rem, 1.7vw, 1.35rem);
  line-height: 1.7;
}

.archive-hero-dek a,
.archive-scope-note a,
.archive-method a {
  color: var(--archive-cyan);
}

.archive-signal {
  position: relative;
  align-self: end;
  min-height: 390px;
  padding: 0 0 0 34px;
  border-left: 1px solid var(--archive-rule-strong);
}

.archive-signal::before {
  position: absolute;
  top: 5px;
  left: -5px;
  width: 9px;
  height: 9px;
  border: 1px solid var(--archive-gold);
  border-radius: 50%;
  background: #0b0d14;
  box-shadow: 0 0 18px rgb(225 185 105 / 0.6);
  content: '';
}

.archive-signal::after {
  position: absolute;
  top: 9px;
  left: 0;
  width: 72%;
  height: 1px;
  background: linear-gradient(90deg, var(--archive-gold), transparent);
  content: '';
  transform: rotate(21deg);
  transform-origin: left;
}

.archive-signal dl {
  position: relative;
  z-index: 1;
  display: grid;
  margin: 58px 0 0;
}

.archive-signal dl div {
  display: grid;
  grid-template-columns: 0.8fr 1fr;
  gap: 20px;
  padding: 18px 0;
  border-bottom: 1px solid var(--archive-rule);
}

.archive-signal :is(dt, dd) {
  margin: 0;
  font-family: var(--research-mono);
  font-size: 11px;
  line-height: 1.55;
}

.archive-signal dt {
  color: var(--research-faint);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-signal dd {
  color: var(--research-ink);
}

.archive-scope {
  display: grid;
  grid-template-columns: minmax(170px, 0.28fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 104px);
  padding: clamp(52px, 7vw, 88px) 0;
  border-bottom: 1px solid var(--archive-rule-strong);
}

.archive-scope h2,
.archive-section-heading h2,
.archive-workbench-intro h2,
.archive-method h2 {
  margin: 0;
  color: var(--research-ink);
  font-size: clamp(1.8rem, 3.7vw, 3.8rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1.03;
  text-wrap: balance;
}

.archive-scope-copy > p,
.archive-section-heading > p,
.archive-workbench-intro > p,
.archive-method > div > p {
  max-width: 850px;
  color: var(--research-muted);
  font-size: 1rem;
  line-height: 1.78;
}

.archive-scope-note {
  margin-top: 28px;
  padding: 18px 0 0 22px;
  border-top: 1px solid var(--archive-rule);
  border-left: 1px solid var(--archive-gold);
  color: #c4c2ba;
  font-size: 0.94rem;
  line-height: 1.7;
}

.archive-coverage {
  padding: clamp(62px, 8vw, 104px) 0;
  border-bottom: 1px solid var(--archive-rule-strong);
}

.archive-section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.46fr);
  gap: clamp(40px, 7vw, 100px);
  align-items: end;
  margin-bottom: 42px;
}

.archive-section-heading > p {
  margin: 0;
}

.archive-table-scroll {
  overflow-x: auto;
  border-top: 1px solid var(--archive-rule-strong);
  scrollbar-color: var(--archive-gold) transparent;
}

.archive-coverage-table {
  width: 100%;
  min-width: 820px;
  border-collapse: collapse;
}

.archive-coverage-table :is(th, td) {
  padding: 18px 15px;
  border-bottom: 1px solid var(--archive-rule);
  text-align: left;
  vertical-align: top;
}

.archive-coverage-table thead th {
  color: var(--research-faint);
  font-family: var(--research-mono);
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.archive-coverage-table tbody th {
  color: var(--research-ink);
  font-size: 0.95rem;
  font-weight: 500;
}

.archive-coverage-table tbody td {
  color: var(--research-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.archive-coverage-table a {
  color: var(--archive-cyan);
}

.archive-provenance {
  display: inline-block;
  color: var(--archive-cyan);
  font-family: var(--research-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.archive-workbench {
  padding: clamp(64px, 9vw, 118px) 0;
}

.archive-workbench-intro {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(280px, 0.3fr);
  gap: clamp(36px, 7vw, 96px);
  align-items: end;
  margin-bottom: 54px;
}

.archive-workbench-intro > p {
  margin: 0;
}

.archive-workbench-grid {
  display: grid;
  grid-template-columns: 245px minmax(0, 1fr);
  gap: clamp(36px, 6vw, 86px);
  align-items: start;
}

.archive-workbench-grid > * {
  min-width: 0;
}

.archive-filter {
  position: sticky;
  top: 24px;
  padding: 22px 0 24px 22px;
  border-top: 1px solid var(--archive-rule-strong);
  border-left: 1px solid var(--archive-rule-strong);
}

.archive-filter[hidden] {
  display: none;
}

.archive-filter fieldset {
  display: grid;
  gap: 17px;
  margin: 0;
  padding: 0;
  border: 0;
}

.archive-filter legend {
  width: 100%;
  margin-bottom: 18px;
  color: var(--research-ink);
  font-size: 1.05rem;
}

.archive-filter label {
  display: grid;
  gap: 7px;
}

.archive-filter :is(input[type='search'], select) {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  min-height: 44px;
  padding: 10px 11px;
  border: 1px solid var(--archive-rule-strong);
  border-radius: 0;
  background: rgb(7 9 15 / 0.82);
  color: var(--research-ink);
  font: 400 0.82rem/1.4 var(--research-mono);
}

.archive-filter :is(input[type='search'], select):focus-visible {
  border-color: var(--archive-gold);
  outline: 2px solid rgb(225 185 105 / 0.24);
  outline-offset: 2px;
}

.archive-view-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  margin: 2px 0;
  border: 1px solid var(--archive-rule-strong);
  background: var(--archive-rule-strong);
}

.archive-view-switch label {
  position: relative;
  display: block;
  min-height: 42px;
  padding: 13px 9px;
  background: #0b0d14;
  color: var(--research-muted);
  cursor: pointer;
  font-family: var(--research-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
}

.archive-view-switch input {
  position: absolute;
  opacity: 0;
}

.archive-view-switch label:has(input:checked) {
  background: rgb(225 185 105 / 0.12);
  color: var(--archive-gold);
}

.archive-filter button {
  min-height: 42px;
  border: 0;
  border-bottom: 1px solid var(--archive-rule-strong);
  background: transparent;
  color: var(--archive-cyan);
  cursor: pointer;
  font: 500 10px/1.4 var(--research-mono);
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
}

.archive-filter button:disabled {
  color: var(--research-faint);
  cursor: default;
}

.archive-results-head {
  display: flex;
  gap: 24px;
  align-items: baseline;
  justify-content: space-between;
  min-height: 46px;
  border-bottom: 1px solid var(--archive-rule-strong);
}

.archive-results-head h2 {
  margin: 0;
  color: var(--research-ink);
  font-size: clamp(1.4rem, 2.4vw, 2.2rem);
  font-weight: 400;
}

.archive-results-head output {
  color: var(--archive-gold);
  font-family: var(--research-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.archive-ledger,
.archive-quote-ledger {
  margin: 0;
  padding: 0;
  list-style: none;
}

.archive-record {
  display: grid;
  grid-template-columns: minmax(112px, 0.2fr) minmax(0, 1fr) minmax(150px, 0.23fr);
  gap: clamp(22px, 4vw, 58px);
  padding: 29px 0 31px;
  border-bottom: 1px solid var(--archive-rule);
  scroll-margin-top: 24px;
}

.archive-record > *,
.archive-quote > * {
  min-width: 0;
  overflow-wrap: anywhere;
}

.archive-record[hidden],
.archive-quote[hidden],
[data-archive-records-section][hidden],
[data-archive-quotes-section][hidden],
.archive-empty[hidden] {
  display: none !important;
}

.archive-record-date time {
  display: block;
  margin-top: 8px;
  color: var(--research-ink);
  font-family: var(--research-mono);
  font-size: 12px;
  line-height: 1.45;
}

.archive-record-copy h3,
.archive-quote h3 {
  margin: 0 0 10px;
  color: var(--research-ink);
  font-size: clamp(1.04rem, 1.65vw, 1.3rem);
  font-weight: 500;
  line-height: 1.35;
}

.archive-record-copy > p,
.archive-quote > div > p {
  margin: 0;
  color: var(--research-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}

.archive-record-copy blockquote,
.archive-quote blockquote {
  margin: 14px 0 0;
  padding-left: 18px;
  border-left: 1px solid var(--archive-gold);
  color: #d4d1c8;
  font-size: 0.95rem;
  line-height: 1.65;
}

.archive-record-source {
  display: grid;
  align-content: start;
  gap: 8px;
}

.archive-record-source a,
.archive-quote a,
.archive-downloads a {
  color: var(--archive-cyan);
  font-family: var(--research-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  line-height: 1.45;
  text-transform: uppercase;
}

.archive-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.archive-tags span {
  padding: 4px 7px;
  border: 1px solid var(--archive-rule);
  color: var(--research-faint);
  font-family: var(--research-mono);
  font-size: 9px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.archive-status {
  display: inline-block;
  width: fit-content;
  color: var(--archive-cyan);
  font-family: var(--research-mono);
  font-size: 9px;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.archive-status[data-status='disputed'] {
  color: var(--archive-red);
}

.archive-quote {
  display: grid;
  grid-template-columns: 70px minmax(0, 1fr) 150px;
  gap: clamp(20px, 4vw, 48px);
  padding: 25px 0 27px;
  border-bottom: 1px solid var(--archive-rule);
}

.archive-quote .archive-quote-indexed {
  color: var(--research-faint);
  font-family: var(--research-mono);
  font-size: 0.78rem;
}

.archive-empty {
  margin: 28px 0;
  padding: 22px;
  border-left: 1px solid var(--archive-gold);
  color: var(--research-muted);
}

.archive-disclosures,
.archive-method {
  display: grid;
  grid-template-columns: minmax(180px, 0.28fr) minmax(0, 1fr);
  gap: clamp(34px, 7vw, 104px);
  padding: clamp(64px, 8vw, 104px) 0;
  border-top: 1px solid var(--archive-rule-strong);
}

.archive-disclosures > *,
.archive-method > * {
  min-width: 0;
  overflow-wrap: anywhere;
}

.archive-collection-list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--archive-rule-strong);
  list-style: none;
}

.archive-collection-list li {
  display: grid;
  grid-template-columns: minmax(120px, 0.22fr) minmax(0, 1fr) minmax(150px, 0.24fr);
  gap: 26px;
  padding: 21px 0;
  border-bottom: 1px solid var(--archive-rule);
}

.archive-collection-list strong {
  color: var(--research-ink);
  font-size: 0.92rem;
  font-weight: 500;
}

.archive-collection-list p {
  margin: 0;
  color: var(--research-muted);
  font-size: 0.86rem;
  line-height: 1.6;
}

.archive-collection-list a {
  color: var(--archive-cyan);
  font-family: var(--research-mono);
  font-size: 10px;
  line-height: 1.5;
  text-transform: uppercase;
}

.archive-method > div:last-child {
  max-width: 840px;
}

.archive-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 28px 0;
  padding: 19px 0;
  border-top: 1px solid var(--archive-rule);
  border-bottom: 1px solid var(--archive-rule);
}

.archive-citation {
  padding: 20px;
  border-left: 1px solid var(--archive-gold);
  background: var(--archive-surface);
  color: #c8c6bd;
  font: 400 0.82rem/1.65 var(--research-mono);
}

@media (max-width: 980px) {
  .archive-hero,
  .archive-section-heading,
  .archive-workbench-intro {
    grid-template-columns: 1fr;
  }

  .archive-signal {
    min-height: 0;
  }

  .archive-workbench-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .archive-filter {
    position: relative;
    top: auto;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    padding: 22px;
    border-right: 1px solid var(--archive-rule-strong);
  }

  .archive-filter fieldset {
    display: contents;
  }

  .archive-filter legend {
    grid-column: 1 / -1;
  }

  .archive-record {
    grid-template-columns: 120px minmax(0, 1fr);
  }

  .archive-record-source {
    grid-column: 2;
    grid-template-columns: repeat(2, max-content);
  }
}

@media (max-width: 680px) {
  .archive-hero {
    padding-top: 58px;
  }

  .archive-hero h1 {
    font-size: clamp(2.8rem, 16vw, 4.8rem);
  }

  .archive-scope,
  .archive-disclosures,
  .archive-method {
    grid-template-columns: minmax(0, 1fr);
  }

  .archive-filter {
    grid-template-columns: 1fr;
  }

  .archive-filter legend {
    grid-column: auto;
  }

  .archive-record,
  .archive-quote,
  .archive-collection-list li {
    grid-template-columns: minmax(0, 1fr);
    gap: 13px;
  }

  .archive-record-source {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .archive-results-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding-bottom: 15px;
  }

  .archive-record,
  .archive-quote {
    padding: 24px 0 27px;
  }

  .archive-coverage::after {
    display: block;
    margin-top: 10px;
    color: var(--research-faint);
    content: 'Swipe table horizontally →';
    font-family: var(--research-mono);
    font-size: 10px;
    text-transform: uppercase;
  }
}

@media (prefers-reduced-motion: reduce) {
  .archive-signal::after {
    display: none;
  }
}

@media print {
  .satoshi-correspondence-page {
    background: #fff;
  }

  .archive-filter,
  .archive-signal::after {
    display: none !important;
  }

  .archive-workbench-grid {
    display: block;
  }

  .archive-record,
  .archive-quote,
  .archive-collection-list li {
    break-inside: avoid;
  }
}