.cloud-index-page {
  background: var(--paper);
}

.cloud-index-hero {
  min-height: 0;
  padding-bottom: 0;
}

.cloud-index-title {
  display: grid;
  grid-template-columns: minmax(120px, 1.15fr) minmax(0, 5.6fr) minmax(260px, 2fr);
  gap: clamp(24px, 4vw, 68px);
  align-items: center;
  width: var(--page);
  margin: 0 auto;
  padding: clamp(18px, 2.2vw, 30px) 0 clamp(20px, 2.5vw, 34px);
}

.cloud-index-title h1 {
  max-width: 24ch;
  margin: 0;
  font: 600 clamp(2rem, 4vw, 3.5rem)/1.08 var(--sans);
  letter-spacing: -0.06em;
}

.cloud-index-title h1 em {
  color: var(--lichen-bright);
  font-family: inherit;
  font-weight: inherit;
  font-style: normal;
}

.cloud-index-title .standfirst {
  max-width: 28ch;
  margin: 10px 0 0;
  color: var(--fog);
  font-family: var(--sans);
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  line-height: 1.55;
}

.cloud-index-title aside {
  padding: 9px 0;
  border-top: 1px solid var(--hairline-dark);
  border-bottom: 1px solid var(--hairline-dark);
  color: var(--ash);
  font: 700 0.68rem/1.7 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.cloud-index-title aside strong {
  display: block;
  margin: 8px 0;
  color: var(--chalk);
  font: 650 1rem/1.25 var(--sans);
  letter-spacing: -0.02em;
  text-transform: none;
}

.cloud-index-register {
  padding: clamp(20px, 2.4vw, 32px) 0 clamp(58px, 7vw, 96px);
}

.index-intro {
  display: grid;
  grid-template-columns: minmax(130px, 1.25fr) minmax(0, 6fr) minmax(220px, 1.7fr);
  gap: clamp(24px, 4vw, 68px);
  margin-bottom: clamp(14px, 1.6vw, 22px);
}

.index-intro h2 {
  max-width: 24ch;
  margin: 0;
  font: 600 clamp(1.75rem, 2.8vw, 2.5rem)/1.15 var(--sans);
  letter-spacing: -0.048em;
}

.index-intro p:last-child {
  align-self: end;
  color: var(--mineral);
}

.index-controls {
  position: sticky;
  z-index: 4;
  top: 0;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto auto;
  gap: 22px;
  align-items: end;
  padding: 16px 0;
  border-top: 4px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  background: var(--paper);
}

.index-search label {
  display: block;
  margin-bottom: 6px;
  font: 700 0.67rem/1.4 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.index-search input {
  width: 100%;
  min-height: 48px;
  padding: 8px 0;
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-size: 1rem;
}

.index-kinds {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 4px;
}

.index-kinds button,
.index-reset {
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--hairline-light);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: 700 0.65rem/1.2 var(--mono);
  letter-spacing: 0.055em;
  text-transform: uppercase;
  cursor: pointer;
}

.index-kinds button[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--chalk);
}

.index-reset {
  border-color: transparent;
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.index-count-line {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 0;
  border-bottom: 1px solid var(--hairline-light);
  color: var(--mineral);
  font: 700 0.66rem/1.4 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.cloud-records {
  margin: 0;
  padding: 0;
  list-style: none;
}

.cloud-record {
  display: grid;
  grid-template-columns: 90px 140px minmax(220px, 2.2fr) minmax(260px, 3fr) 130px;
  gap: clamp(18px, 3vw, 54px);
  align-items: baseline;
  padding: clamp(18px, 2.1vw, 28px) 0;
  border-bottom: 1px solid var(--hairline-light);
}

.cloud-record[hidden] {
  display: none;
}

.cloud-record:hover {
  box-shadow: inset 4px 0 0 var(--lichen-dark);
}

.record-accession,
.record-kind,
.record-asof,
.record-links {
  font: 700 0.65rem/1.55 var(--mono);
  letter-spacing: 0.055em;
  text-transform: uppercase;
}

.record-accession {
  color: var(--lichen-dark);
}

.record-kind,
.record-asof {
  color: var(--mineral);
}

.record-title {
  font: 650 clamp(1.2rem, 1.55vw, 1.7rem)/1.08 var(--sans);
  letter-spacing: -0.028em;
}

.record-title a {
  text-decoration-thickness: 1px;
}

.record-abstract {
  margin: 0;
  color: var(--graphite);
  font-size: 0.94rem;
}

.record-links {
  margin: 10px 0 0;
  color: var(--mineral);
}

.index-boundary {
  padding: clamp(54px, 7vw, 96px) 0;
  background: var(--graphite);
  color: var(--chalk);
}

.index-boundary-grid {
  display: grid;
  grid-template-columns: 2fr 5fr 3fr;
  gap: clamp(30px, 6vw, 112px);
}

.index-boundary h2 {
  max-width: 24ch;
  margin: 0;
  font: 600 clamp(1.75rem, 2.8vw, 2.5rem)/1.15 var(--sans);
  letter-spacing: -0.052em;
}

.index-boundary-copy p {
  max-width: 58ch;
  color: var(--fog);
}

.index-boundary-register {
  margin: 0;
  padding: 0;
  border-top: 4px solid var(--lichen);
  list-style: none;
}

.index-boundary-register li {
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline-dark);
  color: var(--fog);
}

.index-boundary-register strong {
  display: block;
  margin-bottom: 6px;
  color: var(--lichen-bright);
  font: 700 0.67rem/1.4 var(--mono);
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

@media (max-width: 1100px) {
  .cloud-index-title,
  .index-intro,
  .index-boundary-grid {
    grid-template-columns: 1.4fr 5fr;
  }

  .cloud-index-title aside,
  .index-intro p:last-child,
  .index-boundary-register {
    grid-column: 2;
  }

  .index-controls {
    grid-template-columns: 1fr;
    position: static;
  }

  .index-kinds {
    justify-content: flex-start;
  }

  .cloud-record {
    grid-template-columns: 80px 120px minmax(200px, 2fr) minmax(220px, 3fr);
  }

  .record-asof {
    grid-column: 3 / -1;
  }
}

@media (max-width: 700px) {
  .cloud-index-title,
  .index-intro,
  .index-boundary-grid {
    grid-template-columns: 1fr;
  }

  .cloud-index-title aside,
  .index-intro p:last-child,
  .index-boundary-register {
    grid-column: 1;
  }

  .cloud-index-title h1 {
    font-size: clamp(2rem, 4vw, 3.5rem);
  }

  .cloud-record {
    grid-template-columns: 70px 1fr;
    gap: 10px 18px;
  }

  .record-title,
  .record-abstract,
  .record-asof {
    grid-column: 2;
  }

  .record-kind {
    text-align: right;
  }

  .record-asof {
    margin-top: 8px;
  }
}

@media (forced-colors: active) {
  .index-kinds button[aria-pressed="true"],
  .cloud-record:hover,
  .index-boundary-register {
    border: 2px solid Highlight;
  }
}

/* Search is an enhancement; the complete linked register is the fallback. */
.index-controls[hidden],
.index-examples[hidden],
.index-fallback[hidden],
.index-empty[hidden],
.index-reset[hidden],
.index-recovery[hidden] { display: none; }

.index-examples {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  align-items: center;
  padding: 12px 0;
  color: var(--mineral);
  font-size: 0.85rem;
}
.index-examples p { margin: 0; max-width: 52ch; }
.index-examples > div { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 12px; }
.index-examples button,
.index-recovery {
  min-height: 44px;
  border: 0;
  border-bottom: 1px solid currentColor;
  border-radius: 0;
  padding: 8px 2px;
  background: transparent;
  color: var(--ink);
  font: 600 0.88rem/1.4 var(--sans);
  cursor: pointer;
}
.index-fallback { margin: 16px 0; color: var(--mineral); }
.index-empty {
  padding: 28px clamp(18px, 3vw, 38px);
  border-left: 3px solid var(--lichen-dark);
  border-bottom: 1px solid var(--hairline-light);
}
.index-empty h3 { margin: 0 0 10px; font: 600 1.3rem/1.25 var(--sans); letter-spacing: -0.025em; }
.index-empty p { max-width: 58ch; color: var(--graphite); }
.index-empty p:last-child { font-size: 0.85rem; }

[data-index-status] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}