/* site.css - components built on the base.css tokens; indigo is the only UI
   accent, warn-red only in data and partial/missing-run flags. */

/* ---- utilities ---- */
.vh {
  position: absolute !important;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}
.warn {
  color: var(--warn);
}
.dimnote {
  color: var(--dim);
  font-style: italic;
  font-size: 0.92em;
}

/* ---- segmented control (on-state) ---- */
.seg {
  display: inline-flex;
  gap: 2px;
  padding: 3px;
  border: 1px solid var(--rule);
  border-radius: 9px;
  background: var(--card);
}
.seg button {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--dim);
  background: transparent;
  border: 0;
  border-radius: 6px;
  padding: 5px 11px;
  cursor: pointer;
  white-space: nowrap;
}
.seg button:hover {
  color: var(--ink);
}
.seg button.on {
  background: var(--paper);
  color: var(--accent);
  box-shadow: 0 1px 2px rgba(20, 24, 35, 0.08);
}
.seg button:disabled {
  color: color-mix(in srgb, var(--dim) 45%, transparent);
  cursor: not-allowed;
}

/* ---- drift matrix viewer ---- */
.drift-explorer {
  margin: 18px 0 8px;
  padding: 16px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--card);
}
.mx-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 12px;
}
.mx-models {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.mx-fam {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.mx-fam-label {
  flex: none;
  width: 72px;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  color: var(--dim);
  border-left: 3px solid var(--fc, var(--rule));
  padding: 6px 0 0 7px;
}
.mx-fam-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.mx-models button {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 500;
  color: var(--dim);
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 7px;
  padding: 5px 10px;
  cursor: pointer;
  white-space: nowrap;
  transition:
    color 0.12s,
    border-color 0.12s,
    background 0.12s;
}
.mx-models button:hover {
  color: var(--ink);
  border-color: color-mix(in srgb, var(--accent) 35%, var(--rule));
}
.mx-models button.on {
  color: #fff;
  background: var(--accent);
  border-color: var(--accent);
}
.mx-view {
  flex: none;
}
.mx-banner {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  padding: 7px 11px;
  border-radius: 8px;
  background: var(--paper);
  border: 1px solid var(--line);
  margin-bottom: 12px;
}
.mx-banner b {
  color: var(--ink);
}
.mx-stage {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  align-items: start;
}
.mx-stage.two {
  grid-template-columns: 1fr 1fr;
}
.mx-panel {
  min-width: 0;
}
.mx-ptitle {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}
.mx-matrix {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px;
}
.mx-readout {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  min-height: 20px;
  margin: 9px 2px 0;
}
.mx-readout b {
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}
.mx-summary {
  margin-top: 14px;
}
.mx-summary-caption {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 6px;
}
.mx-stats {
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
  width: 100%;
  max-width: 560px;
}
.mx-stats th {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  padding: 6px 14px 6px 0;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.mx-stats td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  color: var(--ink);
  padding: 6px 14px 6px 0;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}
.mx-stats td.def {
  color: var(--dim);
  font-size: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--line);
}

/* ---- metric-direction banner (page-level) ---- */
.metricbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  align-items: baseline;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--dim);
  padding: 9px 13px;
  border-radius: 9px;
  margin: 6px 0 4px;
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 20%, var(--rule));
}
.metricbar b {
  color: var(--ink);
  font-size: 14px;
}
.metricbar.invert {
  background: color-mix(in srgb, var(--warn) 9%, var(--card));
  border-color: color-mix(in srgb, var(--warn) 28%, var(--rule));
}
.metricbar .cbar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.metricbar .cbar svg {
  display: block;
  border-radius: 2px;
}
.metricbar .cbar i {
  font-style: normal;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  color: var(--dim);
}

/* ---- result tables ---- */
.rtable {
  width: 100%;
  border-collapse: collapse;
  margin: 8px 0 4px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-variant-numeric: tabular-nums;
}
.rtable caption {
  text-align: left;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.5;
  margin-bottom: 8px;
}
.rtable th,
.rtable td {
  padding: 6px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}
.rtable thead th {
  color: var(--dim);
  font-weight: 600;
  border-bottom: 1.5px solid var(--rule);
}
.rtable th.num,
.rtable td.num {
  text-align: right;
}
.rtable td.model {
  color: var(--ink);
  font-weight: 500;
}
.rtable thead th[role="button"] {
  cursor: pointer;
  user-select: none;
}
.rtable thead th[role="button"]:hover {
  color: var(--accent);
}
.rtable thead th[aria-sort="ascending"]::after {
  content: " ↑";
  color: var(--accent);
}
.rtable thead th[aria-sort="descending"]::after {
  content: " ↓";
  color: var(--accent);
}
.rtable tbody tr[role="button"] {
  cursor: pointer;
}
.rtable tbody tr[role="button"]:hover {
  background: var(--accent-soft);
}
.rtable td.span {
  text-align: center;
}
.rtable td.calt,
.rtable th.calt {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
}
.tbl-wrap {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 4px 18px;
  margin: 10px 0 16px;
  overflow-x: auto;
}
.tbl-more {
  font-family: var(--sans);
  font-size: 12.5px;
  font-weight: 500;
  color: var(--accent);
  background: transparent;
  border: 0;
  padding: 8px 2px;
  cursor: pointer;
}
.tbl-more:hover {
  text-decoration: underline;
}
.fam-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 2px 0 11px;
}
.fam-chip {
  font-family: var(--sans);
  font-size: 11.5px;
  padding: 3px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--dim);
  cursor: pointer;
  line-height: 1.5;
  transition:
    background 0.12s,
    color 0.12s,
    border-color 0.12s;
}
.fam-chip:hover {
  border-color: var(--fc, var(--ink));
}
.fam-chip.on {
  color: #fff;
  border-color: transparent;
  background: var(--fc, var(--ink));
}
.fg-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 14px;
  margin: 8px 0 12px;
}
.fg-chart {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  max-width: 560px;
}
.fg-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 8px;
  font-family: var(--sans);
  font-size: 12px;
  color: var(--dim);
}
.fg-legend-models {
  font-size: 11px;
  gap: 4px 10px;
}
.fg-li {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  transition: opacity 0.12s ease;
}
.fg-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}
.rescards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 14px 0;
}
.rescard {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  padding: 13px 15px;
}
.rescard .rc-h {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}
.rescard p {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--dim);
}
@media (max-width: 640px) {
  .rescards {
    grid-template-columns: 1fr;
  }
}
.findcards {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}
.findcard {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  background: var(--card);
  padding: 14px 18px;
}
.findcard .fc-h {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  color: var(--ink);
}
.findcard p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--dim);
}
@media (max-width: 600px) {
  .findcard {
    grid-template-columns: 1fr;
    gap: 5px;
  }
}

.findcards.synth {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.findcards.synth .findcard {
  display: block;
  padding: 18px 20px;
}
.findcards.synth .findcard .fc-h {
  display: block;
  font-size: 16px;
  margin-bottom: 9px;
}
.findcards.synth .findcard p {
  font-size: 14.5px;
  line-height: 1.66;
}
.findcards.synth .findcard p + p {
  margin-top: 10px;
}
@media (max-width: 760px) {
  .findcards.synth {
    grid-template-columns: 1fr;
  }
}

.cutoff-pills {
  margin: 6px 0 10px;
}
.cutoff-table {
  overflow-x: auto;
}

/* ---- by-family diverging decay grid ---- */
.decay-grid {
  margin: 16px 0 4px;
}
.dg-note {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  margin-bottom: 8px;
}
.dgtable {
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.dgtable th {
  padding: 5px 10px;
  color: var(--dim);
  font-weight: 600;
  text-align: right;
}
.dgtable td.dg {
  padding: 7px 12px;
  text-align: right;
  border: 2px solid var(--paper);
  border-radius: 3px;
  min-width: 56px;
}
.dg-legend {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--dim);
}
.dg-bar {
  width: 120px;
  height: 10px;
  border-radius: 2px;
  display: inline-block;
}

/* ---- formal blocks ---- */
.definition,
.claim {
  border-left: 3px solid var(--accent);
  background: var(--card);
  padding: 14px 18px;
  margin: 18px 0;
  border-radius: 0 8px 8px 0;
}
.definition .lbl,
.claim .lbl {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: block;
  margin-bottom: 5px;
}
.claim {
  border-left-color: var(--ink);
}
.claim .lbl {
  color: var(--ink);
}
.definition p:last-child,
.claim p:last-child {
  margin-bottom: 0;
}
.claim .qed {
  float: right;
  color: var(--dim);
}

/* ---- dataset sub-nav with completeness chip ---- */
.subnav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px;
  margin: 10px 0 26px;
  border-bottom: 1px solid var(--line);
}
.subnav a {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--dim);
  padding: 10px 16px;
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition:
    color 0.15s,
    border-color 0.15s;
}
.subnav a:first-of-type {
  padding-left: 2px;
}
.subnav a:hover {
  color: var(--ink);
}
.subnav a.here {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
.subnav a .dsi {
  width: 13px;
  height: 13px;
  margin-right: 6px;
  vertical-align: -2px;
  fill: currentColor;
}
.chip {
  font-family: var(--sans);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--dim);
  padding: 4px 11px;
  border-radius: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  margin-left: auto;
  align-self: center;
}
.chip b {
  color: var(--accent);
}

/* ---- small-multiples row (synthesis page) ---- */
.smallmults {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin: 16px 0;
}
.smallmults figure {
  margin: 0;
}
.smallmults figcaption {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  margin-top: 6px;
  text-align: center;
}

.avatar-i {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 56px;
  height: 56px;
  font-size: 18px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-family: var(--sans);
  font-weight: 600;
  letter-spacing: 0.02em;
}
.byline .avatar-i {
  width: 40px;
  height: 40px;
  font-size: 13px;
}

.deflist {
  margin: 12px 0 4px;
}
.defrow {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 18px;
  padding: 11px 0;
  border-top: 1px solid var(--rule);
}
.defrow .dt {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 14px;
  color: var(--ink);
}
.defrow .dd {
  color: var(--dim);
}
@media (max-width: 720px) {
  .defrow {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

.contriblist {
  margin: 6px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: contrib;
}
.contriblist li {
  position: relative;
  padding: 10px 0 10px 34px;
  border-top: 1px solid var(--rule);
  counter-increment: contrib;
}
.contriblist li::before {
  content: counter(contrib);
  position: absolute;
  left: 0;
  top: 11px;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--accent);
  width: 22px;
  height: 22px;
  line-height: 22px;
  text-align: center;
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--rule));
  border-radius: 50%;
}

/* clickable dataset cards (methods datasets section) */
a.card {
  text-decoration: none;
  color: inherit;
  border-bottom: 0;
}
a.card:hover {
  border-bottom: 0;
}
.dscard {
  display: flex;
  flex-direction: column;
}
.dscard .ct {
  color: var(--accent);
}
.dsmeta {
  list-style: none;
  margin: 8px 0 12px;
  padding: 0;
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--dim);
  line-height: 1.55;
}
.dsmeta li {
  padding: 1px 0;
}
.dsmetric {
  margin: auto 0 0;
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13.5px;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.dsmore {
  color: var(--accent);
  font-weight: 500;
  font-size: 12.5px;
}

/* protocol flowchart (overview, between lead and abstract) */
.protoflow {
  margin: 20px 0 16px;
}
.pf-row {
  display: flex;
  align-items: stretch;
  gap: 8px;
}
.pf-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 5px;
  padding: 14px 12px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--card);
}
.pf-ico {
  width: 46px;
  height: 30px;
  flex: none;
}
.pf-t {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
}
.pf-d {
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--dim);
  line-height: 1.35;
}
.pf-arr {
  align-self: center;
  color: var(--accent);
  font-size: 18px;
  flex: none;
}
.protoflow figcaption {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--dim);
  text-align: center;
  margin-top: 11px;
  line-height: 1.45;
}
@media (max-width: 720px) {
  .pf-row {
    flex-direction: column;
  }
  .pf-arr {
    transform: rotate(90deg);
  }
}

/* per-dataset subsection (section 3) */
.dsh {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  margin: 18px 0 4px;
}
.dsnum {
  color: var(--accent);
  font-weight: 600;
  margin-right: 8px;
  font-variant-numeric: tabular-nums;
}
.foldcard {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: var(--card);
  margin: 12px 0;
}
.foldcard > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  padding: 12px 16px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--ink);
  user-select: none;
  border-radius: 11px;
}
.foldcard > summary::-webkit-details-marker {
  display: none;
}
.foldcard > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--sans);
  font-size: 19px;
  font-weight: 400;
  color: var(--dim);
  line-height: 1;
}
.foldcard[open] > summary::after {
  content: "\2212";
}
.foldcard > summary:hover {
  color: var(--accent);
}
.foldcard[open] > summary {
  border-bottom: 1px solid var(--line);
  border-radius: 11px 11px 0 0;
}
.foldcard-body {
  padding: 2px 16px 14px;
}

.ph-box {
  border: 1.5px dashed #7c3aed;
  border-radius: 11px;
  background: color-mix(in srgb, #7c3aed 6%, var(--card));
  color: #7c3aed;
  padding: 20px 18px;
  margin: 12px 0;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
}
.ph-mark {
  background: color-mix(in srgb, #7c3aed 16%, transparent);
  border-bottom: 1.5px solid #7c3aed;
}

/* methods: model roster wide tables */
.modelbtns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin: 12px 0 4px;
}
.mbtn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-radius: 999px;
  padding: 6px 15px 6px 7px;
  text-decoration: none;
  transition: background 0.15s;
}
.mbtn img {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
  flex: none;
}
.mbtn img.logo {
  object-fit: contain;
  padding: 4px;
}
.mbtn .arr {
  transition: transform 0.15s;
}
.mbtn:hover {
  background: color-mix(in srgb, var(--accent) 15%, var(--paper));
}
.mbtn:hover .arr {
  transform: translateX(2px);
}
.driftforms {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 16px 0 6px;
}
.driftform {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 18px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  background: var(--paper);
  position: relative;
  overflow: hidden;
  transition:
    border-color 0.18s,
    box-shadow 0.18s,
    transform 0.18s;
}
.driftform::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  opacity: 0.5;
  transition:
    opacity 0.18s,
    width 0.18s;
}
.driftform:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  box-shadow: 0 8px 24px -14px color-mix(in srgb, var(--accent) 60%, transparent);
  transform: translateY(-2px);
}
.driftform:hover::before {
  opacity: 1;
  width: 4px;
}
.driftform figure {
  margin: 0;
}
.driftform img {
  width: 100%;
  display: block;
}
.driftform h4 {
  font-family: var(--sans);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 0 0 6px;
}
.driftform p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--dim);
}
@media (max-width: 640px) {
  .driftform {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 620px) {
  .driftform {
    grid-template-columns: 1fr;
  }
}
.rostertbl {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 13px;
  margin: 6px 0 4px;
}
.rostertbl caption {
  text-align: left;
  font-weight: 600;
  color: var(--ink);
  font-size: 13.5px;
  padding: 0 0 9px;
}
.rostertbl th {
  text-align: left;
  font-weight: 600;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-bottom: 1.5px solid var(--rule);
  padding: 0 16px 7px 0;
  white-space: nowrap;
}
.rostertbl td {
  padding: 7px 16px 7px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  vertical-align: top;
}
.rostertbl td.num {
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.rostertbl td.mdl {
  font-weight: 600;
  white-space: nowrap;
}
.rostertbl td.bias {
  color: var(--dim);
}
.rostertbl tbody tr:last-child td {
  border-bottom: none;
}
.rostergrp {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink);
  margin: 22px 0 4px;
}
.edalist {
  display: flex;
  flex-direction: column;
  gap: 22px;
  margin: 12px 0 6px;
}
.edafig {
  margin: 0;
}
.edafig img {
  width: 100%;
  max-width: 620px;
  display: block;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
}
.edafig figcaption {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  margin-top: 9px;
  line-height: 1.5;
  max-width: 620px;
}
.rostertbl th.sortable {
  cursor: pointer;
  user-select: none;
  position: relative;
  padding-right: 22px;
  border-radius: 6px 6px 0 0;
  transition:
    color 0.12s,
    background 0.12s;
}
.rostertbl th.sortable:hover {
  color: var(--accent);
  background: var(--accent-soft);
}
.rostertbl th.sortable::after {
  content: "\2195";
  position: absolute;
  right: 4px;
  top: 0;
  opacity: 0.6;
  font-size: 11px;
  color: var(--accent);
}
.rostertbl th.sortable:hover::after {
  opacity: 1;
}
.rostertbl th[data-sort="asc"]::after {
  content: "\2191";
  opacity: 1;
  color: var(--accent);
}
.rostertbl th[data-sort="desc"]::after {
  content: "\2193";
  opacity: 1;
  color: var(--accent);
}
.metriccards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 4px;
}
.metriccard {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 22px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 15px 20px;
  background: var(--paper);
}
.metriccard[id] {
  scroll-margin-top: 84px;
}
.gloss {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px dotted color-mix(in srgb, var(--accent) 55%, transparent);
  cursor: help;
  transition:
    color 0.12s,
    border-color 0.12s;
}
.gloss:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.mc-body {
  min-width: 0;
}
.mc-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 7px;
}
.mc-head b {
  font-family: var(--sans);
  font-size: 15.5px;
  color: var(--ink);
}
.mc-ds {
  font-family: var(--sans);
  font-size: 11.5px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 9px;
  border-radius: 20px;
  white-space: nowrap;
}
.mc-fig {
  margin: 0;
  background: #fbfbfd;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
}
.mc-fig img {
  width: 100%;
  display: block;
}
.metriccard p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--dim);
}
.mc-formula {
  margin-top: auto;
  padding-top: 12px;
  font-size: 13px;
  color: var(--ink);
  overflow-x: auto;
}
@media (max-width: 600px) {
  .metriccards {
    grid-template-columns: 1fr;
  }
}
.dscards3 {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0 6px;
}
.dscard3 {
  display: grid;
  grid-template-columns: minmax(190px, 230px) 1fr;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 22px;
  background: var(--paper);
  text-decoration: none;
  transition:
    border-color 0.15s,
    box-shadow 0.15s,
    transform 0.15s;
}
.dscard3:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--line));
  box-shadow: 0 8px 22px -14px color-mix(in srgb, var(--accent) 55%, transparent);
  transform: translateY(-2px);
}
.dc3-top {
  display: flex;
  align-items: center;
  gap: 11px;
}
.dc3-ic {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  object-fit: cover;
  flex: none;
  border: 1px solid var(--line);
  background: var(--card);
}
.dc3-ic.logo {
  object-fit: contain;
  padding: 6px;
}
.dc3-id {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.dc3-name {
  display: flex;
  align-items: center;
  gap: 8px;
}
.dc3-name b {
  font-family: var(--sans);
  font-size: 16px;
  color: var(--ink);
}
.dc3-tag {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 2px 8px;
  border-radius: 20px;
}
.dc3-meta {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
.dc3-mid {
  display: flex;
  flex-direction: column;
}
.dc3-line {
  display: flex;
  gap: 12px;
  font-size: 13.5px;
  color: var(--ink);
  padding: 9px 0;
}
.dc3-line + .dc3-line {
  border-top: 1px solid var(--line);
}
.dc3-line:first-child {
  padding-top: 0;
}
.dc3-line:last-child {
  padding-bottom: 0;
}
.dc3-k {
  color: var(--dim);
  width: 62px;
  flex: none;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding-top: 1px;
}
@media (max-width: 640px) {
  .dscard3 {
    grid-template-columns: 1fr;
    gap: 14px;
  }
}
.tablewrap {
  overflow-x: auto;
  margin: 8px 0 16px;
}
.tablewrap:has(.rostertbl) {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 11px;
  padding: 4px 18px;
  margin: 10px 0 20px;
}
.dsintro {
  font-size: 16.5px;
  color: var(--dim);
  line-height: 1.55;
  margin: 0 0 12px;
}

/* research-question pair (introduction) */
.qpair {
  margin: 1em 0;
  padding-left: 18px;
  border-left: 2px solid var(--accent-soft);
}
.qpair em {
  display: block;
  margin: 6px 0;
  color: var(--ink);
  line-height: 1.5;
}

/* overview domain cards: one per row, three labelled sub-cards */
.domaincards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 14px;
}
.dcard {
  position: relative;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--paper);
  overflow: hidden;
  max-width: 540px;
  margin: 0 auto;
  transition:
    transform 0.15s ease,
    box-shadow 0.15s ease,
    border-color 0.15s ease;
}
.dcard:hover {
  border-color: color-mix(in srgb, var(--ink) 18%, var(--rule));
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(20, 24, 35, 0.06);
}
.dc-head {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}
.dc-title {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.dc-logo {
  height: 17px;
  width: auto;
  display: block;
  flex: none;
}
.dc-name {
  font-weight: 600;
  font-size: 17px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 0;
}
.dc-name::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
}
.dc-tag {
  margin-left: auto;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 20px;
}

.dc-sub {
  display: flex;
  flex-direction: column;
}
.subcard {
  display: grid;
  grid-template-columns: 84px 1fr;
  column-gap: 16px;
  row-gap: 8px;
  padding: 13px 18px;
  align-items: start;
}
.subcard + .subcard {
  border-top: 1px solid var(--line);
}
.sc-lbl {
  grid-column: 1;
  align-self: start;
  padding-top: 2px;
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--accent);
}
.subcard > :not(.sc-lbl) {
  grid-column: 2;
  min-width: 0;
}
.sc-val {
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.dc-eg {
  margin: 0;
  font-style: italic;
  color: var(--dim);
  font-size: 12.5px;
  line-height: 1.5;
}
.eg-tag {
  font-family: var(--sans);
  font-style: normal;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--dim);
  margin-right: 7px;
  border: 1px solid var(--line);
  padding: 1px 5px;
  border-radius: 4px;
  vertical-align: 1px;
}

.dc-faces {
  display: flex;
  gap: 8px;
}
.dc-faces figure {
  margin: 0;
  flex: none;
  text-align: center;
}
.dc-faces img {
  width: 82px;
  height: 74px;
  object-fit: cover;
  border-radius: 6px;
  display: block;
  border: 1px solid var(--line);
}
.dc-faces figcaption {
  font-family: var(--sans);
  font-size: 10px;
  color: var(--dim);
  margin-top: 3px;
}
.dc-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.dc-pill {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--ink);
  border: 1px solid var(--rule);
  padding: 2px 9px;
  border-radius: 14px;
}
.dc-pill.more {
  border-style: dashed;
  color: var(--dim);
}
.dc-stars {
  color: var(--ink);
  letter-spacing: 3px;
  font-size: 15px;
}

.dc-axis {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  max-width: 260px;
}
.archlist {
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
  margin: 14px 0 6px;
  max-width: 600px;
}
.architem {
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 11px 16px;
}
.architem + .architem {
  border-top: 1px solid var(--line);
}
.architem img {
  width: 46px;
  min-width: 46px;
  height: auto;
  display: block;
}
.ai-txt {
  flex: 1;
  min-width: 0;
  font-family: var(--sans);
  font-size: 13.5px;
  line-height: 1.4;
}
.ai-txt b {
  color: var(--ink);
}
.ai-txt span {
  color: var(--dim);
}
.ai-count {
  flex: none;
  font-family: var(--sans);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 3px 10px;
  border-radius: 20px;
  white-space: nowrap;
}

/* model pipeline: how the blocks (frozen encoder, trained body, head) connect */
.pipe {
  border: 1px solid var(--accent);
  border-radius: 11px;
  padding: 11px 15px;
  margin: 8px 0 18px;
  overflow-x: auto;
  text-align: center;
}
.pipe-row {
  display: inline-flex;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 8px;
}
.blk {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
  min-height: 50px;
  box-sizing: border-box;
  font-family: var(--sans);
  font-size: 12.5px;
  padding: 8px 11px;
  border-radius: 9px;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  text-align: center;
  line-height: 1.2;
}
.blk.frozen,
.blk.train {
  width: 136px;
}
.blk b {
  font-weight: 600;
}
.blk small {
  font-size: 9.5px;
  color: var(--dim);
  line-height: 1.25;
}
.blk i {
  font-style: normal;
  font-size: 8.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1px 7px;
  border-radius: 20px;
}
.blk.frozen {
  background: var(--card);
}
.blk.frozen b {
  color: var(--dim);
}
.blk.frozen i {
  background: #e7e9ee;
  color: #6b7280;
}
.blk.train {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}
.blk.train b {
  color: var(--accent);
}
.blk.train i {
  background: var(--accent);
  color: #fff;
}
.blk.io {
  border-style: dashed;
  background: transparent;
  color: var(--dim);
  font-size: 11.5px;
}
.pipe .arr {
  flex: none;
  align-self: center;
  color: color-mix(in srgb, var(--accent) 55%, var(--dim));
  font-size: 15px;
}
.dc-y {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.dc-ticks {
  flex: 1;
  height: 13px;
  border-bottom: 1.5px solid var(--rule);
  background-image: repeating-linear-gradient(90deg, var(--rule) 0 1px, transparent 1px 12.5%);
  background-repeat: no-repeat;
  background-position: left bottom;
  background-size: 100% 8px;
}

.dc-foot {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  padding: 12px 18px;
  border-top: 1px solid var(--line);
  background: var(--card);
}
.dc-metric {
  font-family: var(--sans);
  font-size: 11px;
  color: var(--dim);
}
.dc-src {
  position: relative;
  z-index: 2;
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 500;
  color: var(--dim);
  text-decoration: underline;
  text-underline-offset: 2px;
  border-bottom: 0;
  white-space: nowrap;
}
.dc-src:hover {
  color: var(--ink);
}

@media (max-width: 720px) {
  .dc-sub {
    grid-template-columns: 1fr;
  }
}

/* drift-matrix definition: schematic + region cards */
.mxdef {
  display: grid;
  grid-template-columns: minmax(0, 300px) 1fr;
  gap: 24px;
  align-items: center;
  margin: 18px 0 8px;
}
.mxfig {
  margin: 0;
}
.mxfig img {
  width: 100%;
  max-width: 300px;
  display: block;
}
.mxfig figcaption {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  margin-top: 8px;
  line-height: 1.5;
}
.mxregions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.mxr {
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--dim);
  line-height: 1.5;
  padding: 10px 13px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--rule);
  border-radius: 0 8px 8px 0;
  background: var(--card);
}
.mxk {
  display: block;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 2px;
}
.mxr-diag {
  border-left-color: #d6604d;
}
.mxr-ul {
  border-left-color: #f4a582;
}
.mxr-lr {
  border-left-color: #4a90c4;
}
@media (max-width: 720px) {
  .mxdef {
    grid-template-columns: 1fr;
  }
}

.mx-fade {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.mx-in {
  opacity: 1;
}

/* ---- drift-matrix replay player (data/replay.json) ---- */
.mxplayer {
  margin: 10px 0 18px;
}
.mxplayer figcaption {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--dim);
  margin-top: 8px;
  line-height: 1.5;
}
.drift-replay {
  margin: 16px 0 6px;
}
.rp-box {
  border: 1px solid var(--rule);
  border-radius: 8px;
  background: var(--card);
  padding: 14px 16px 12px;
}
.rp-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 6px;
}
.rp-step {
  font-family: var(--sans);
  font-size: 12.5px;
  font-style: italic;
  color: var(--dim);
  font-variant-numeric: tabular-nums;
}
.rp-tasks {
  display: inline-flex;
}
.rp-tasks button {
  font-family: var(--sans);
  font-size: 12px;
  border: 1px solid var(--rule);
  border-right: none;
  background: var(--paper);
  color: var(--ink);
  padding: 5px 11px;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.rp-tasks button:first-child {
  border-radius: 999px 0 0 999px;
}
.rp-tasks button:last-child {
  border-right: 1px solid var(--rule);
  border-radius: 0 999px 999px 0;
}
.rp-tasks button:hover {
  background: var(--card);
}
.rp-tasks button.on {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.rp-stage {
  margin: 4px auto 0;
  max-width: 360px;
}
.rp-stage svg {
  display: block;
}
.rp-transport {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 13px;
}
.rp-transport button {
  font-family: var(--sans);
  font-size: 13px;
  border: 1px solid var(--rule);
  border-radius: 999px;
  background: var(--paper);
  color: var(--ink);
  padding: 5px 16px;
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}
.rp-transport button:hover {
  background: var(--ink);
  color: #fff;
  border-color: var(--ink);
}
.rp-transport input[type="range"] {
  flex: 1;
  accent-color: var(--accent);
}

@media (max-width: 720px) {
  .mx-stage.two {
    grid-template-columns: 1fr;
  }
  .smallmults {
    grid-template-columns: 1fr;
  }
}
@media (prefers-reduced-motion: reduce) {
  .mx-fade {
    transition: none;
  }
}

@media print {
  .seg,
  .subnav,
  .mx-readout {
    box-shadow: none;
  }
  .drift-explorer {
    break-inside: avoid;
  }
}

/* reflow nav cards so a third card never orphans on its own row */
.nextlinks {
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
}