.model-overview-section,
.round-overview-section {
  position: relative;
  z-index: 5;
  padding: clamp(6rem, 11vw, 10rem) var(--page-pad);
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(rgba(17, 17, 15, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 15, 0.04) 1px, transparent 1px),
    var(--paper-deep);
  background-size: 4.5rem 4.5rem;
}

.model-overview-section .section-heading {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.round-overview-section .section-heading {
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.round-overview .model-timeline-loading {
  margin: 0;
}

.model-overview-loading,
.model-overview-error,
.model-overview-noscript {
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.generation-round {
  margin-bottom: clamp(3.5rem, 7vw, 7rem);
}

.model-overview > .generation-round:last-child {
  margin-bottom: 0;
}

.generation-round-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 2rem;
  margin-bottom: 2rem;
}

.generation-round-eyebrow {
  margin: 0 0 0.55rem;
  color: var(--signal);
  font-family: var(--mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.generation-round-head h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2.7rem, 5vw, 5.7rem);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 0.95;
}

.generation-round-head div > p:last-child {
  max-width: 48rem;
  margin: 1rem 0 0;
  color: rgba(17, 17, 15, 0.68);
  font-family: var(--serif);
  line-height: 1.55;
}

.generation-round-state {
  margin-bottom: 0.35rem;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.generation-round-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--ink);
  border-left: 1px solid var(--ink);
  background: var(--paper-light);
}

.generation-round-stat {
  display: flex;
  flex-direction: column;
  min-height: 10.5rem;
  padding: clamp(1.15rem, 2.2vw, 2rem);
  border-right: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

.generation-round-stat-value {
  font-family: var(--display);
  font-size: clamp(2.3rem, 4vw, 4.4rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
}

.generation-round-stat-label {
  margin-top: auto;
  padding-top: 1.25rem;
  font-family: var(--serif);
}

.generation-round-stat-note {
  margin-top: 0.3rem;
  color: rgba(17, 17, 15, 0.58);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
}

.generation-round-coverage {
  margin-top: 1.5rem;
  border: 1px solid var(--ink);
  background: var(--paper-light);
}

.generation-round-coverage-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.generation-round-coverage-head h4,
.generation-round-coverage-head p {
  margin: 0;
}

.generation-round-coverage-head h4 {
  font-family: var(--serif);
  font-size: 1.15rem;
}

.generation-round-coverage-head p {
  font-family: var(--mono);
  font-size: 0.53rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.generation-round-model {
  display: grid;
  grid-template-columns: minmax(10rem, 25%) minmax(12rem, 1fr) minmax(11rem, auto);
  gap: 0.8rem 1.2rem;
  align-items: center;
  padding: 0.85rem 1.2rem;
  border-bottom: 1px solid var(--line);
}

.generation-round-model:last-child {
  border-bottom: 0;
}

.generation-round-model.has-gap {
  background: linear-gradient(90deg, transparent 60%, rgba(164, 93, 18, 0.055));
}

.generation-round-model-name strong,
.generation-round-model-name small {
  display: block;
}

.generation-round-model-name strong {
  font-size: 0.8rem;
}

.generation-round-model-name small {
  margin-top: 0.18rem;
  color: rgba(17, 17, 15, 0.52);
  font-family: var(--mono);
  font-size: 0.48rem;
}

.generation-round-model-result {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 4.4rem;
  align-items: center;
  gap: 0.7rem;
}

.generation-round-bar {
  display: flex;
  height: 0.62rem;
  overflow: hidden;
  background: rgba(17, 17, 15, 0.09);
}

.generation-round-bar span {
  width: var(--status-width);
  height: 100%;
}

.generation-round-bar .is-valid { background: #2f755f; }
.generation-round-bar .is-censored { background: #a9a39a; }
.generation-round-bar .is-error { background: var(--ink-soft); }
.generation-round-bar .is-malformed { background: #a45d12; }

.generation-round-pair-count {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-align: right;
}

.generation-round-statuses {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.3rem;
}

.generation-round-statuses span {
  padding: 0.17rem 0.32rem;
  border: 1px solid rgba(17, 17, 15, 0.16);
  font-family: var(--mono);
  font-size: 0.44rem;
  letter-spacing: 0.025em;
  text-transform: uppercase;
}

.generation-round-statuses .is-valid { color: #245a49; border-color: #2f755f; }
.generation-round-statuses .is-censored { color: #5f5a52; border-color: #8d877e; background: rgba(141, 135, 126, 0.08); }
.generation-round-statuses .is-error { color: var(--ink-soft); border-color: var(--ink-soft); }
.generation-round-statuses .is-malformed { color: #79420a; border-color: #a45d12; background: rgba(164, 93, 18, 0.08); }

.generation-round-tracks {
  margin-top: 1.5rem;
  padding: clamp(1.2rem, 2.5vw, 2rem);
  border: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.68);
}

.generation-round-tracks h4 {
  margin: 0 0 1rem;
  font-family: var(--serif);
}

.generation-round-tracks ul {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  background: var(--line);
  list-style: none;
}

.generation-round-tracks li {
  display: flex;
  flex-direction: column;
  min-height: 5.5rem;
  padding: 0.9rem;
  background: var(--paper-light);
}

.generation-round-tracks li span {
  font-size: 0.72rem;
  line-height: 1.35;
}

.generation-round-tracks li small {
  margin-top: auto;
  padding-top: 0.8rem;
  color: rgba(17, 17, 15, 0.58);
  font-family: var(--mono);
  font-size: 0.48rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.generation-round-note {
  max-width: 75rem;
  margin: 1rem 0 0;
  color: rgba(17, 17, 15, 0.7);
  font-size: 0.75rem;
  line-height: 1.55;
}

.model-timeline-loading {
  margin: clamp(2rem, 4vw, 4rem) 0 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--line);
  background: rgba(247, 243, 234, 0.68);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.model-timeline {
  margin: 0;
}

.model-timeline-toolbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 2rem;
  margin-bottom: 1rem;
}

.model-timeline-facets {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  overflow-x: auto;
  padding: 0.2rem 0;
  scrollbar-width: thin;
}

.model-timeline-facet-label {
  flex: 0 0 auto;
  margin-right: 0.35rem;
  color: rgba(17, 17, 15, 0.58);
  font-family: var(--mono);
  font-size: 0.54rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.model-timeline-facet {
  flex: 0 0 auto;
  min-height: 2.15rem;
  padding: 0.45rem 0.68rem;
  border: 1px solid var(--ink);
  color: var(--ink);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  transition: color 0.18s ease, background 0.18s ease;
}

.model-timeline-facet:hover,
.model-timeline-facet:focus-visible {
  background: rgba(17, 17, 15, 0.08);
}

.model-timeline-facet[aria-pressed="true"] {
  color: var(--paper-light);
  background: var(--ink);
}

.model-timeline-count {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  font-family: var(--mono);
  font-size: 0.55rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.model-timeline-scroll {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--ink);
  background: var(--paper-light);
  scrollbar-color: var(--signal) rgba(17, 17, 15, 0.1);
  scrollbar-width: thin;
}

.model-timeline-scroll:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

.model-timeline-inner {
  width: max-content;
  min-width: 100%;
}

.model-timeline-axis,
.model-timeline-card {
  display: grid;
  grid-template-columns: 13rem var(--timeline-plot-width);
}

.model-timeline-axis {
  position: sticky;
  z-index: 3;
  top: 0;
  border-bottom: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.model-timeline-axis-label {
  display: flex;
  align-items: center;
  padding: 0.85rem 1rem;
  border-right: 1px solid var(--line-light);
  font-family: var(--mono);
  font-size: 0.52rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.model-timeline-axis ol {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
}

.model-timeline-axis li {
  min-width: 0;
  padding: 0.7rem 0.5rem;
  border-right: 1px solid var(--line-light);
  text-align: center;
}

.model-timeline-axis li strong,
.model-timeline-axis li span,
.model-timeline-axis li small {
  display: block;
}

.model-timeline-axis li strong {
  color: var(--signal-bright);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.model-timeline-axis li span {
  margin-top: 0.18rem;
  font-family: var(--mono);
  font-size: 0.47rem;
  letter-spacing: 0.03em;
}

.model-timeline-axis li small {
  margin-top: 0.25rem;
  overflow: hidden;
  color: rgba(238, 233, 223, 0.62);
  font-size: 0.5rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-timeline-card {
  min-height: 8.25rem;
  border-bottom: 1px solid var(--line);
}

.model-timeline-card:last-child {
  border-bottom: 0;
}

.model-timeline-identity {
  position: sticky;
  z-index: 2;
  left: 0;
  padding: 1rem;
  border-right: 1px solid var(--ink);
  background: var(--paper-light);
}

.model-timeline-identity::before {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 0;
  width: 0.25rem;
  background: var(--series-color);
  content: "";
}

.model-timeline-identity h4 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.15;
}

.model-timeline-identity small {
  display: block;
  margin-top: 0.24rem;
  color: rgba(17, 17, 15, 0.52);
  font-family: var(--mono);
  font-size: 0.47rem;
  line-height: 1.35;
}

.model-timeline-identity p {
  margin: 0.72rem 0 0.45rem;
  font-size: 0.62rem;
}

.model-timeline-identity p strong {
  color: var(--series-color);
  font-family: var(--mono);
  font-size: 0.78rem;
}

.model-timeline-identity > span {
  display: inline-block;
  padding: 0.18rem 0.3rem;
  border: 1px solid rgba(17, 17, 15, 0.15);
  color: rgba(17, 17, 15, 0.58);
  font-family: var(--mono);
  font-size: 0.43rem;
  letter-spacing: 0.025em;
  line-height: 1.25;
  text-transform: uppercase;
}

.model-timeline-identity > span.has-gap {
  border-color: #a45d12;
  color: #79420a;
  background: rgba(164, 93, 18, 0.08);
  font-weight: 700;
}

.model-timeline-graphic {
  position: relative;
  display: flex;
  align-items: center;
  width: var(--timeline-plot-width);
  padding: 0.75rem 0;
  background: rgba(17, 17, 15, 0.015);
}

.model-timeline-graphic svg {
  display: block;
  overflow: visible;
}

.model-timeline-high,
.model-timeline-low {
  position: absolute;
  z-index: 1;
  left: 0.35rem;
  color: rgba(17, 17, 15, 0.42);
  font-family: var(--mono);
  font-size: 0.42rem;
  pointer-events: none;
}

.model-timeline-high { top: 0.4rem; }
.model-timeline-low { bottom: 0.35rem; }

.model-timeline-guide {
  stroke: rgba(17, 17, 15, 0.105);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.model-timeline-line {
  fill: none;
  stroke: var(--series-color);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
  vector-effect: non-scaling-stroke;
}

.model-timeline-card.pattern-1 .model-timeline-line { stroke-dasharray: 7 3; }
.model-timeline-card.pattern-2 .model-timeline-line { stroke-dasharray: 2 3; }
.model-timeline-card.pattern-3 .model-timeline-line { stroke-dasharray: 9 3 2 3; }

.model-timeline-point {
  fill: var(--paper-light);
  stroke: var(--series-color);
  stroke-width: 2.2;
  vector-effect: non-scaling-stroke;
}

.model-timeline-point-link {
  cursor: pointer;
  outline: none;
}

.model-timeline-point-hit {
  fill: transparent;
  stroke: none;
}

.model-timeline-point-link:hover .model-timeline-point,
.model-timeline-point-link:focus .model-timeline-point {
  fill: var(--series-color);
  stroke: var(--paper-light);
  stroke-width: 3.2;
}

.model-timeline-point-link:focus .model-timeline-point-hit {
  fill: rgba(178, 43, 37, 0.12);
  stroke: var(--signal);
  stroke-width: 1.5;
  vector-effect: non-scaling-stroke;
}

.model-timeline-point.is-partial {
  fill: #a45d12;
  stroke: var(--paper-light);
  stroke-width: 2.8;
}

.model-timeline-note {
  max-width: 75rem;
  margin: 1rem 0 0;
  color: rgba(17, 17, 15, 0.67);
  font-size: 0.72rem;
  line-height: 1.55;
}

@media (max-width: 1050px) {
  .generation-round-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .generation-round-model {
    grid-template-columns: minmax(9rem, 30%) minmax(10rem, 1fr);
  }

  .generation-round-statuses {
    grid-column: 1 / -1;
    justify-content: flex-start;
    padding-left: calc(30% + 1.2rem);
  }

}

@media (max-width: 620px) {
  .generation-round-head {
    grid-template-columns: 1fr;
  }

  .generation-round-state {
    justify-self: start;
  }

  .generation-round-summary,
  .generation-round-tracks ul {
    grid-template-columns: 1fr;
  }

  .generation-round-model {
    grid-template-columns: 1fr;
  }

  .generation-round-statuses {
    grid-column: auto;
    padding-left: 0;
  }

  .generation-round-coverage-head {
    display: block;
  }

  .generation-round-coverage-head p {
    margin-top: 0.45rem;
  }

  .model-timeline-toolbar {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .model-timeline-count {
    justify-self: start;
  }

  .model-timeline-axis,
  .model-timeline-card {
    grid-template-columns: 10.5rem var(--timeline-plot-width);
  }

  .model-timeline-identity {
    padding: 0.85rem;
  }
}