.ggii-page {
  --ggii-proved: var(--exact);
  --ggii-computed: var(--numerical);
  --ggii-withheld: var(--hypothesis);
}

.ggii-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.ggii-hero {
  min-height: 31rem;
}

.ggii-hero h1 {
  max-width: 12ch;
  font-size: clamp(2.9rem, 8vw, 6.6rem);
}

.ggii-hero nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
}

.ggii-equation {
  display: grid;
  grid-template-columns: minmax(7.5rem, 1fr) auto minmax(8.5rem, 1fr);
}

.ggii-equation span,
.ggii-equation strong {
  min-width: 0;
}

.ggii-result-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 3rem 0 5rem;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 1rem;
}

.ggii-result-strip article {
  min-width: 0;
  padding: 1.35rem;
  background: var(--surface);
}

.ggii-result-strip strong {
  display: block;
  margin: 0.75rem 0 0.35rem;
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1.35rem;
}

.ggii-result-strip p,
.ggii-panel-heading p,
.ggii-boundary {
  margin-bottom: 0;
  color: var(--muted);
}

.ggii-laboratory {
  margin-bottom: 5rem;
}

.ggii-tabs {
  display: flex;
  gap: 0.35rem;
  padding: 0 1.5rem 1rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.ggii-tabs button {
  flex: 0 0 auto;
  min-height: 2.35rem;
  padding: 0.45rem 0.7rem;
  color: var(--muted);
  background: transparent;
  border-color: transparent;
}

.ggii-tabs button[aria-selected="true"] {
  color: var(--primary-ink);
  background: var(--primary);
  border-color: var(--primary);
}

.ggii-panel {
  padding: 1.5rem;
  border-top: 1px solid var(--line);
}

.ggii-panel[hidden] {
  display: none;
}

.ggii-panel-heading {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(16rem, 0.9fr);
  gap: 1rem 3rem;
  align-items: end;
  margin-bottom: 1.5rem;
}

.ggii-panel-heading h3 {
  margin: 0.55rem 0 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.55rem, 3vw, 2.35rem);
  line-height: 1.1;
}

.ggii-controls {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 1.25rem;
}

.ggii-controls button {
  align-self: end;
}

.ggii-measurements {
  margin-bottom: 1.25rem;
}

.ggii-world-figure,
.ggii-universality-grid figure,
.ggii-sheet-grid figure {
  margin: 0;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
}

.ggii-world-figure figcaption,
.ggii-universality-grid figcaption,
.ggii-sheet-grid figcaption {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.35rem 1rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
}

.ggii-world-figure figcaption span,
.ggii-universality-grid figcaption span,
.ggii-sheet-grid figcaption span {
  color: var(--muted);
  font-size: 0.83rem;
}

#ggii-forward-svg,
#ggii-norm-balls,
#ggii-diffusion-chart,
#ggii-phase-map,
#ggii-sheet-svg {
  display: block;
  width: 100%;
  height: auto;
  min-height: 18rem;
  background:
    linear-gradient(color-mix(in srgb, var(--line) 35%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--line) 35%, transparent) 1px, transparent 1px);
  background-size: 2rem 2rem;
}

#ggii-forward-svg [data-layer="faces"] polygon {
  fill: color-mix(in srgb, var(--primary) 8%, transparent);
  stroke: none;
}

#ggii-forward-svg [data-layer="edges"] line {
  stroke: color-mix(in srgb, var(--ink) 45%, transparent);
  stroke-width: 1.2;
  vector-effect: non-scaling-stroke;
}

#ggii-forward-svg [data-layer="nodes"] circle {
  fill: var(--surface);
  stroke: var(--primary);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.ggii-universality-grid,
.ggii-sheet-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.ggii-wide-figure {
  grid-column: 1 / -1;
}

.ggii-scroll-hint {
  display: none;
}

.ggii-conclusion-pair,
.ggii-inverse-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0;
}

.ggii-conclusion-pair article,
.ggii-inverse-summary article {
  padding: 1rem;
  background: var(--surface-strong);
  border-radius: 0.75rem;
}

.ggii-conclusion-pair strong,
.ggii-inverse-summary strong {
  display: block;
  margin: 0.6rem 0 0.25rem;
}

.ggii-conclusion-pair p,
.ggii-inverse-summary p {
  margin-bottom: 0;
  color: var(--muted);
}

.ggii-candidate-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 0.8rem;
}

.ggii-candidate-grid article {
  min-width: 0;
  padding: 1rem;
  background: var(--surface);
}

.ggii-candidate-grid article[data-best="true"] {
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
}

.ggii-candidate-grid strong,
.ggii-candidate-grid small {
  display: block;
}

.ggii-candidate-grid small {
  margin-top: 0.45rem;
  color: var(--muted);
}

.ggii-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.ggii-page .table-responsive {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.ggii-table th,
.ggii-table td {
  padding: 0.7rem 0.65rem;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.ggii-table th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ggii-table td:first-child {
  white-space: nowrap;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.ggii-table .gate-pass,
.ggii-table .gate-not-applicable {
  color: var(--exact);
}

.ggii-table .gate-fail,
.ggii-table .gate-marginal {
  color: var(--accent);
}

.ggii-table .gate-inconclusive,
.ggii-table .gate-not-run {
  color: var(--hypothesis);
}

.ggii-witness,
.ggii-command {
  max-height: 24rem;
  padding: 1rem;
  overflow: auto;
  color: var(--ink);
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: 0.75rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.ggii-sheet-readout {
  padding: 1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 0.85rem;
}

.ggii-sheet-readout dl {
  display: grid;
  gap: 1px;
  margin: 0 0 1rem;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 0.65rem;
}

.ggii-sheet-readout dl div {
  display: grid;
  grid-template-columns: minmax(7rem, 0.8fr) minmax(0, 1.2fr);
  gap: 1rem;
  padding: 0.75rem;
  background: var(--surface);
}

.ggii-sheet-readout dt {
  color: var(--muted);
}

.ggii-sheet-readout dd {
  margin: 0;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  text-align: right;
}

.ggii-downloads {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
  margin: 1.2rem 0;
}

.ggii-command {
  max-height: none;
}

.ggii-axis {
  stroke: var(--line);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.ggii-chart-label,
.ggii-chart-value {
  fill: var(--ink);
  font: 13px Inter, ui-sans-serif, system-ui, sans-serif;
}

.ggii-chart-muted {
  fill: var(--muted);
  font: 12px Inter, ui-sans-serif, system-ui, sans-serif;
}

.ggii-series-1 { stroke: var(--series-volume); fill: var(--series-volume); }
.ggii-series-2 { stroke: var(--series-spectral); fill: var(--series-spectral); }
.ggii-series-3 { stroke: var(--series-walk); fill: var(--series-walk); }
.ggii-series-4 { stroke: var(--accent); fill: var(--accent); }

@media (min-width: 1200px) {
  .ggii-sheet-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .ggii-result-strip,
  .ggii-candidate-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ggii-controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .ggii-equation {
    grid-template-columns: minmax(6rem, 1fr) auto minmax(7rem, 1fr);
  }

  .ggii-panel,
  .ggii-tabs {
    padding-inline: 1rem;
  }

  .ggii-panel-heading,
  .ggii-universality-grid,
  .ggii-sheet-grid,
  .ggii-conclusion-pair,
  .ggii-inverse-summary {
    grid-template-columns: minmax(0, 1fr);
  }

  .ggii-universality-grid figure {
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  #ggii-norm-balls,
  #ggii-diffusion-chart,
  #ggii-phase-map {
    min-width: 42rem;
  }

  .ggii-scroll-hint {
    display: block;
    flex-basis: 100%;
  }

  .ggii-table {
    min-width: 42rem;
  }
}

@media (max-width: 540px) {
  .ggii-result-strip,
  .ggii-candidate-grid,
  .ggii-controls {
    grid-template-columns: minmax(0, 1fr);
  }

  .ggii-result-strip {
    margin-block: 2rem 3rem;
  }

  .ggii-equation {
    display: flex;
  }

  .ggii-sheet-readout dl div {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.2rem;
  }

  .ggii-sheet-readout dd {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ggii-page * {
    scroll-behavior: auto;
  }
}