/* Backtest parameter snapshots
   A restrained, read-only specification sheet shared by every strategy type. */

.pi-body--parameter-summary {
  background: var(--pi-canvas);
  color: var(--pi-ink-900);
}

.pi-parameter-page {
  width: min(100% - 32px, 1120px);
  margin: 0 auto;
  padding: clamp(28px, 5vw, 64px) 0 72px;
  overflow-wrap: anywhere;
}

.pi-parameter-page__back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  margin: 0 0 18px;
  padding: 8px 2px;
  color: var(--pi-action-primary);
  font-size: 0.94rem;
  font-weight: 700;
  text-decoration: none;
}

.pi-parameter-page__back:hover,
.pi-parameter-page__back:focus {
  color: var(--pi-ink-900);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.pi-parameter-page__back:focus-visible,
.pi-parameter-universe__details summary:focus-visible,
.pi-parameter-instrument-list a:focus-visible,
.pi-parameter-universe__benchmarks a:focus-visible,
.pi-parameter-inline-link:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--pi-action-primary) 32%, transparent);
  outline-offset: 3px;
  border-radius: 4px;
}

.pi-parameter-summary {
  overflow: hidden;
  background: var(--pi-paper);
  border: 1px solid var(--pi-rule);
  border-top: 4px solid var(--pi-action-primary);
  border-radius: 10px;
  box-shadow: 0 18px 48px rgba(18, 32, 51, 0.08);
}

.pi-parameter-summary__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(28px, 5vw, 52px);
}

.pi-parameter-summary__heading {
  max-width: 720px;
}

.pi-parameter-summary__eyebrow,
.pi-parameter-section__index {
  margin: 0 0 8px;
  color: var(--pi-action-primary);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.pi-parameter-summary__header h1 {
  margin: 0;
  color: var(--pi-ink-900);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.pi-parameter-summary__lede {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--pi-ink-650);
  font-size: 1rem;
  line-height: 1.65;
}

.pi-parameter-summary__status {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 7px 11px;
  background: color-mix(in srgb, var(--pi-canvas) 78%, var(--pi-paper));
  border: 1px solid var(--pi-rule);
  border-radius: 999px;
  color: var(--pi-ink-650);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.pi-parameter-section {
  padding: clamp(28px, 5vw, 48px) clamp(28px, 5vw, 52px);
  border-top: 1px solid var(--pi-rule);
}

.pi-parameter-section__heading {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(260px, 1.1fr);
  align-items: end;
  gap: 36px;
  margin-bottom: 28px;
}

.pi-parameter-section__index {
  margin-bottom: 6px;
}

.pi-parameter-section__heading h2 {
  margin: 0;
  color: var(--pi-ink-900);
  font-family: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(1.28rem, 2vw, 1.65rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.pi-parameter-section__heading > p {
  margin: 0;
  color: var(--pi-ink-650);
  font-size: 0.92rem;
  line-height: 1.6;
}

.pi-parameter-universe__overview {
  display: grid;
  grid-template-columns: minmax(180px, 0.6fr) minmax(0, 1.4fr);
  gap: 0;
  margin-bottom: 18px;
  background: color-mix(in srgb, var(--pi-canvas) 72%, var(--pi-paper));
  border: 1px solid var(--pi-rule);
  border-radius: 8px;
}

.pi-parameter-universe__count,
.pi-parameter-universe__benchmarks {
  min-width: 0;
  padding: 20px 22px;
}

.pi-parameter-universe__count {
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-right: 1px solid var(--pi-rule);
}

.pi-parameter-universe__count strong {
  color: var(--pi-ink-900);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.85rem;
  font-weight: 600;
  line-height: 1;
}

.pi-parameter-universe__count span,
.pi-parameter-universe__label {
  margin-top: 7px;
  color: var(--pi-ink-650);
  font-size: 0.78rem;
  font-weight: 700;
}

.pi-parameter-universe__benchmarks > p {
  margin: 8px 0 0;
  color: var(--pi-ink-650);
}

.pi-parameter-universe__benchmarks ul,
.pi-parameter-instrument-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.pi-parameter-universe__benchmarks ul {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.pi-parameter-universe__benchmarks a {
  color: var(--pi-action-primary);
  font-weight: 700;
  text-decoration: none;
}

.pi-parameter-universe__benchmarks a:hover,
.pi-parameter-universe__benchmarks a:focus {
  color: var(--pi-ink-900);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.pi-parameter-universe__benchmarks a span {
  color: var(--pi-ink-650);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.86em;
  font-weight: 600;
}

.pi-parameter-universe__details {
  border: 1px solid var(--pi-rule);
  border-radius: 8px;
}

.pi-parameter-universe__details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 48px;
  padding: 11px 16px;
  color: var(--pi-ink-900);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.pi-parameter-universe__details summary::-webkit-details-marker {
  display: none;
}

.pi-parameter-universe__summary-action {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--pi-action-primary);
  font-size: 0.78rem;
}

.pi-parameter-universe__details[open] .pi-parameter-universe__summary-action i {
  transform: rotate(180deg);
}

.pi-parameter-universe__summary-action i {
  transition: transform 160ms ease;
}

.pi-parameter-instrument-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(78px, 1fr));
  gap: 8px;
  padding: 16px;
  border-top: 1px solid var(--pi-rule);
}

.pi-parameter-instrument-list a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 8px 10px;
  background: var(--pi-paper);
  border: 1px solid var(--pi-rule);
  border-radius: 6px;
  color: var(--pi-action-primary);
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.2;
  text-align: center;
  text-decoration: none;
}

.pi-parameter-instrument-list a:hover,
.pi-parameter-instrument-list a:focus {
  background: color-mix(in srgb, var(--pi-action-primary) 6%, var(--pi-paper));
  border-color: var(--pi-action-primary);
  color: var(--pi-ink-900);
}

.pi-parameter-instrument-list__empty {
  grid-column: 1 / -1;
  color: var(--pi-ink-650);
}

.pi-parameter-table-frame {
  border: 1px solid var(--pi-rule);
  border-radius: 8px;
  overflow: hidden;
}

.pi-parameter-table {
  width: 100%;
  margin: 0;
  border: 0;
  border-collapse: collapse;
  table-layout: fixed;
}

.pi-parameter-table th,
.pi-parameter-table td {
  padding: 15px 18px;
  border: 0;
  border-bottom: 1px solid var(--pi-rule);
  color: var(--pi-ink-900);
  text-align: left;
  vertical-align: middle;
}

.pi-parameter-table thead th {
  background: color-mix(in srgb, var(--pi-canvas) 78%, var(--pi-paper));
  color: var(--pi-ink-650);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pi-parameter-table tbody th {
  width: 55%;
  font-weight: 650;
}

.pi-parameter-table tbody tr:last-child th,
.pi-parameter-table tbody tr:last-child td {
  border-bottom: 0;
}

.pi-parameter-table data,
.pi-parameter-definition-list dd {
  font-family: "IBM Plex Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.pi-parameter-inline-link {
  color: var(--pi-action-primary);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.pi-parameter-inline-link:hover,
.pi-parameter-inline-link:focus {
  color: var(--pi-ink-900);
}

.pi-parameter-direction {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 9px;
  background: color-mix(in srgb, var(--pi-action-primary) 7%, var(--pi-paper));
  border: 1px solid color-mix(in srgb, var(--pi-action-primary) 18%, var(--pi-rule));
  border-radius: 999px;
  color: var(--pi-action-primary);
  font-size: 0.78rem;
  font-weight: 700;
}

.pi-parameter-definition-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--pi-rule);
}

.pi-parameter-definition-list > div {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 20px;
  min-width: 0;
  padding: 18px 0;
  border-bottom: 1px solid var(--pi-rule);
}

.pi-parameter-definition-list > div:nth-child(odd) {
  padding-right: 28px;
}

.pi-parameter-definition-list > div:nth-child(even) {
  padding-left: 28px;
  border-left: 1px solid var(--pi-rule);
}

.pi-parameter-definition-list dt {
  color: var(--pi-ink-650);
  font-size: 0.86rem;
  font-weight: 650;
}

.pi-parameter-definition-list dd {
  margin: 0;
  color: var(--pi-ink-900);
  font-size: 0.94rem;
  font-weight: 650;
  text-align: right;
}

@media (max-width: 760px) {
  .pi-parameter-summary__header,
  .pi-parameter-section__heading {
    grid-template-columns: minmax(0, 1fr);
  }

  .pi-parameter-summary__header {
    flex-direction: column;
    gap: 20px;
  }

  .pi-parameter-section__heading {
    align-items: start;
    gap: 12px;
  }

  .pi-parameter-universe__overview {
    grid-template-columns: minmax(0, 1fr);
  }

  .pi-parameter-universe__count {
    border-right: 0;
    border-bottom: 1px solid var(--pi-rule);
  }
}

@media (max-width: 640px) {
  .pi-parameter-page {
    width: min(100% - 20px, 1120px);
    padding-top: 18px;
    padding-bottom: 40px;
  }

  .pi-parameter-summary {
    border-radius: 8px;
  }

  .pi-parameter-summary__header,
  .pi-parameter-section {
    padding: 24px 18px;
  }

  .pi-parameter-summary__status {
    white-space: normal;
  }

  .pi-parameter-universe__details summary {
    align-items: flex-start;
  }

  .pi-parameter-instrument-list {
    grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
    padding: 12px;
  }

  .pi-parameter-table-frame {
    overflow: visible;
    border: 0;
  }

  .pi-parameter-table,
  .pi-parameter-table tbody,
  .pi-parameter-table tr,
  .pi-parameter-table th,
  .pi-parameter-table td {
    display: block;
    width: 100%;
  }

  .pi-parameter-table thead {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  .pi-parameter-table tbody {
    display: grid;
    gap: 10px;
  }

  .pi-parameter-table tbody tr {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    overflow: hidden;
    background: var(--pi-paper);
    border: 1px solid var(--pi-rule);
    border-radius: 8px;
  }

  .pi-parameter-table tbody th,
  .pi-parameter-table tbody td {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 12px 14px;
    border-bottom: 1px solid var(--pi-rule);
  }

  .pi-parameter-table tbody th {
    background: color-mix(in srgb, var(--pi-canvas) 78%, var(--pi-paper));
  }

  .pi-parameter-table tbody td::before {
    content: attr(data-label);
    color: var(--pi-ink-650);
    font-size: 0.75rem;
    font-weight: 700;
  }

  .pi-parameter-definition-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .pi-parameter-definition-list > div:nth-child(odd),
  .pi-parameter-definition-list > div:nth-child(even) {
    padding: 15px 0;
    border-left: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pi-parameter-universe__summary-action i {
    transition: none;
  }
}