/* Extends Precision Ledger: focused comparison, allocation and method panels.
   No new brand world; all color and typography inherit the ALTA/Silment shell. */
.strategy-research-entry {
  margin: 12px 12px 8px;
  padding: 12px;
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--sil-muted);
  text-decoration: none;
  border-radius: 9px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
}
.strategy-research-entry svg {
  width: 22px;
  height: 22px;
  flex-shrink: 0;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.7;
}
.strategy-research-entry:hover {
  color: var(--sil-ink);
  background: var(--sil-wash);
}
.strategy-research-entry[aria-current="page"] {
  color: var(--sil-accent);
  background: var(--sil-wash);
  border-color: var(--sil-line);
}
.strategy-research-entry:focus-visible {
  outline: 2px solid var(--sil-focus);
  outline-offset: 2px;
}
.strategy-research-entry + .strategy-sidebar-list {
  border-top: 1px solid var(--sil-line);
}
body.has-strategy-sidebar .strategy-sidebar {
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}
@media (min-width: 901px) {
  html[data-strategy-sidebar="collapsed"] .strategy-research-entry {
    margin: 10px 6px 6px;
    padding: 10px 2px;
    flex-direction: column;
    gap: 5px;
    font-size: 10px;
    text-align: center;
  }
}
html[data-strategy-research="true"] #main:not(.strategy-research) {
  visibility: hidden;
}
html[data-strategy-research="true"] #mobile-menu-button {
  display: none;
}
.strategy-research {
  color: var(--sil-ink);
  padding-block: 24px 48px;
  font-size: 14px;
  line-height: 1.65;
  font-variant-numeric: tabular-nums;
}
.strategy-research * {
  box-sizing: border-box;
}
.strategy-research h1,
.strategy-research h2,
.strategy-research h3 {
  margin: 0;
  color: var(--sil-ink);
  text-wrap: balance;
  letter-spacing: -0.025em;
}
.strategy-research h1 {
  font-size: clamp(25px, 2.4vw, 36px);
  line-height: 1.22;
  font-weight: 600;
}
.strategy-research h2 {
  font-size: 22px;
  font-weight: 600;
  line-height: 1.3;
}
.strategy-research h3 {
  font-size: 16px;
  font-weight: 600;
}
.strategy-research p {
  margin: 10px 0 18px;
  max-width: 78ch;
  color: var(--sil-muted);
}
.research-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}
.research-heading p {
  max-width: 55ch;
  font-size: 15px;
}
.research-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}
.research-jump {
  display: none;
}
html[data-strategy-research="true"] .connection-state .live-dot {
  background: var(--sil-muted);
}
.research-controls label,
.research-select-label {
  display: grid;
  gap: 5px;
  font-size: 12px;
  color: var(--sil-muted);
}
.strategy-research select,
.strategy-research button {
  font: inherit;
  color: var(--sil-ink);
}
.strategy-research select {
  min-height: 38px;
  padding: 7px 28px 7px 10px;
  border: 1px solid var(--sil-line);
  border-radius: 7px;
  background: var(--sil-surface);
  max-width: 100%;
}
.strategy-research button {
  cursor: pointer;
}
.strategy-research button:disabled {
  cursor: wait;
  opacity: 0.6;
}
.strategy-research :is(button, select, a, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--sil-focus);
  outline-offset: 3px;
}
.strategy-research a {
  color: var(--sil-accent);
  text-underline-offset: 4px;
}
.research-evidence {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  border-bottom: 1px solid var(--sil-line);
  padding: 6px 0;
  color: var(--sil-muted);
  font-size: 12px;
}
.research-evidence button {
  margin-left: auto;
  border: 0;
  background: transparent;
  padding: 5px 10px;
  border-radius: 5px;
}
.research-evidence button:hover {
  background: var(--sil-wash);
}
.strategy-research .research-caution {
  padding: 12px 15px;
  margin-block: 16px;
  background: var(--sil-chrome);
  border-radius: 7px;
  max-width: none;
  font-size: 12px;
}
.research-section {
  padding-block: 32px;
  border-bottom: 1px solid var(--sil-line);
  scroll-margin-top: 155px;
}
.research-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 12px;
}
.research-section-title p {
  margin-bottom: 6px;
}
.research-matrix-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(220px, 1fr);
  gap: 36px;
  align-items: start;
}
.research-table-scroll {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scrollbar-color: var(--sil-line-strong) transparent;
}
.research-profile-comparison {
  margin-block: 28px 20px;
  padding-top: 24px;
  border-top: 1px solid var(--sil-line);
}
.research-profiles-table {
  table-layout: fixed;
}
.research-profiles-table th:first-child {
  width: 34%;
}
.research-profiles-table .is-selected {
  color: var(--sil-accent);
  background: var(--sil-wash);
}
.research-profiles-table .research-holdout-start > * {
  border-top: 2px solid var(--sil-line-strong);
}
.strategy-research .research-profile-purpose {
  max-width: 85ch;
  margin-block: 8px 20px;
}
@media (max-width: 600px) {
  .strategy-research .research-profiles-table :is(th, td) {
    padding: 10px 3px;
    font-size: 12px;
    white-space: normal;
  }
  .strategy-research .research-profiles-table thead th {
    font-size: 11px;
    letter-spacing: -0.02em;
  }
  .research-profiles-table th:first-child {
    width: 30%;
  }
}
.strategy-research table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.research-heatmap {
  table-layout: fixed;
}
.research-heatmap th {
  color: var(--sil-muted);
  font-size: 11px;
  font-weight: 600;
  padding: 6px 2px;
  text-align: center;
}
.research-heatmap td {
  padding: 3px;
}
.research-heatmap button {
  width: 100%;
  min-height: 45px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 550;
}
.research-heatmap button[aria-pressed="true"] {
  border: 2px solid var(--sil-accent);
}
.research-heatmap button:hover {
  outline: 1px solid var(--sil-line-strong);
}
.research-pair-detail {
  padding: 20px 0 0;
}
.research-pair-detail h3 {
  font-size: 23px;
}
.research-pair-detail h3 span {
  color: var(--sil-line-strong);
  margin-inline: 10px;
  font-weight: 400;
}
.research-pair-detail p {
  font-size: 14px;
}
.research-pair-stats {
  margin: 18px 0;
  display: grid;
  gap: 9px;
}
.research-pair-stats > div,
.research-constraints > div {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 15px;
}
.research-pair-stats dt,
.research-constraints dt {
  color: var(--sil-muted);
}
.research-pair-stats dd,
.research-constraints dd {
  margin: 0;
  font-weight: 600;
}
.strategy-research .research-note {
  font-size: 12px;
  line-height: 1.65;
  color: var(--sil-muted);
  margin: 12px 0 0;
  max-width: none;
}
.research-two-column,
.research-method-columns {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 36px;
}
.research-chart {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.research-chart text {
  fill: var(--sil-muted);
  font-size: 12px;
  font-family: inherit;
}
.research-grid {
  stroke: var(--sil-line);
  stroke-width: 1;
}
.research-line {
  fill: none;
  stroke: var(--sil-accent);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.research-line-secondary {
  stroke: var(--sil-muted);
  stroke-dasharray: 6 5;
  stroke-width: 2;
}
.research-loss-bars {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  padding: 5px 4px 0;
  text-align: center;
  font-size: 12px;
}
.research-loss-track {
  height: 106px;
  display: flex;
  align-items: flex-end;
  margin: 4px 0;
  border-bottom: 1px solid var(--sil-line);
}
.research-loss-track i {
  display: block;
  width: 100%;
  background: var(--sil-accent);
  opacity: 0.7;
  border-radius: 3px 3px 0 0;
}
.research-presets {
  display: inline-flex;
  flex-wrap: nowrap;
  flex-shrink: 0;
  padding: 3px;
  border: 1px solid var(--sil-line);
  border-radius: 9px;
  gap: 2px;
}
.research-presets button {
  border: 0;
  border-radius: 6px;
  background: transparent;
  padding: 9px 13px;
  min-height: 38px;
  font-size: 13px;
}
.research-presets button[aria-pressed="true"] {
  background: var(--sil-accent);
  color: var(--sil-on-accent);
}
.research-presets button:hover:not([aria-pressed="true"]) {
  background: var(--sil-wash);
}
.research-allocation-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(280px, .85fr);
  gap: 32px;
  margin-top: 20px;
}
.allocation-performance {
  padding-block: 14px 24px;
  border-bottom: 1px solid var(--sil-line);
  min-width: 0;
}
.allocation-chart-heading,
.allocation-chart-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px 20px;
}
.allocation-chart-tools { justify-content: flex-end; gap: 12px; }
.allocation-chart-scope {
  display: flex;
  gap: 2px;
  padding: 3px;
  background: var(--sil-chrome);
  border-radius: 8px;
}
.allocation-chart-scope button {
  border: 0;
  border-radius: 5px;
  padding: 6px 12px;
  min-height: 36px;
  color: var(--sil-muted);
  background: transparent;
  font-size: 12px;
}
.allocation-chart-scope button[aria-pressed="true"] {
  background: var(--sil-surface);
  color: var(--sil-ink);
  box-shadow: 0 1px 3px rgb(0 0 0 / 8%);
}
.allocation-chart-readout {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  margin-top: 24px;
  font-size: 13px;
}
.allocation-chart-readout > div { display: flex; align-items: baseline; gap: 10px; }
.allocation-chart-readout strong { font-size: 20px; font-weight: 600; letter-spacing: -.02em; }
.allocation-series-name::before,
.allocation-equal-name::before {
  content: "";
  display: inline-block;
  width: 18px;
  border-top: 2px solid var(--sil-accent);
  margin-right: 8px;
  vertical-align: middle;
}
.allocation-equal-name::before { border-top: 2px dashed var(--sil-muted); }
.allocation-chart-readout > div + div { color: var(--sil-muted); }
.allocation-inspection-date { margin-left: auto; color: var(--sil-muted); font-size: 12px; }
.allocation-chart-plot { position: relative; margin-top: 14px; }
.allocation-chart-plot canvas { width: 100%; height: 280px; display: block; touch-action: pan-y; }
.allocation-chart-plot canvas:focus-visible { outline: 2px solid var(--sil-focus); outline-offset: 3px; border-radius: 4px; }
.allocation-chart-empty { position: absolute; inset: 25% 16px auto; text-align: center; }
.strategy-research .allocation-chart-dates { margin-top: 4px; }
.strategy-research .allocation-chart-basis { margin-top: 4px; }
.allocation-performance .range-picker { flex-shrink: 0; }
.strategy-research .allocation-performance button:disabled { cursor: default; }
@media (max-width: 700px) {
  .allocation-chart-heading { align-items: flex-start; gap: 14px; }
  .allocation-chart-tools { width: 100%; justify-content: space-between; gap: 10px; }
  .allocation-chart-scope button { min-height: 44px; padding-inline: 9px; }
  .allocation-chart-readout { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 20px; }
  .allocation-chart-readout > div { flex-direction: column; gap: 3px; }
  .allocation-chart-readout strong { font-size: 22px; }
  .allocation-inspection-date { grid-column: 1 / -1; margin-left: 0; }
  .allocation-chart-plot canvas { height: 220px; }
  .allocation-chart-plot { margin-top: 4px; }
}
@media (max-width: 360px) {
  .allocation-performance .range-picker-context { display: none; }
  .allocation-performance .range-picker-trigger { padding-inline: 8px; gap: 6px; }
}
.research-allocation-layout > *,
.research-matrix-layout > * {
  min-width: 0;
}
.research-weight-head {
  display: grid;
  grid-template-columns: 48px minmax(30px, 1fr) 54px 58px;
  gap: 9px;
  color: var(--sil-muted);
  font-size: 12px;
  margin-bottom: 12px;
}
.research-weight-head > :first-child { grid-column: 1 / 4; }
.research-weight-head > :last-child { text-align: right; }
.diversification-section { padding-top: 28px; }
.strategy-research .research-heading { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0 16px; margin-bottom: 0; }
.strategy-research .research-heading > div { min-width: 0; flex: 1; }
.strategy-research .research-heading #research-period-host { flex: 0 0 auto; }
.research-period-control { display: flex; }
.research-model-settings { display: flex; align-items: center; flex-wrap: wrap; gap: 16px 24px; margin-top: 24px; }
.research-model-settings .research-note { margin: 0; }
.research-period-control button:disabled { cursor: default; }
.strategy-research .research-heading .public-feed-status { grid-column: 1 / -1; margin: 0; padding: 0; border: 0; }
.strategy-research .research-heading .public-feed-status summary { font-size: 12px; }
.strategy-research .research-heading h1 { font-size: 23px; }
.strategy-research .research-heading .research-host-note {
  grid-column: 1 / -1;
  margin: 12px 0 4px;
  max-width: 96ch;
  color: var(--sil-muted);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
}
.strategy-research .diversification-profile { align-items: center; gap: 16px 24px; margin: 0; }
.diversification-profile > div:first-child { min-width: 0; }
.diversification-profile p { margin: 8px 0 0; font-size: 14px; }
.strategy-research .diversification-basis { margin-block: 24px 20px; }
.diversification-evidence { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .85fr); gap: 32px; }
.diversification-evidence h3 { font-size: 16px; line-height: 1.4; }
.diversification-evidence > * { min-width: 0; }
.diversification-risk { padding-left: 32px; border-left: 1px solid var(--sil-line); }
.diversification-risk > h3 { display: flex; align-items: center; min-height: 40px; }
.diversification-stat { margin: 20px 0 24px; display: flex; align-items: center; gap: 16px; }
.diversification-stat strong { color: var(--sil-accent); font-size: 28px; font-weight: 560; letter-spacing: -.025em; }
.diversification-stat span { max-width: 23ch; color: var(--sil-muted); font-size: 12px; line-height: 1.5; }
.diversification-bars { display: grid; gap: 20px; margin-bottom: 16px; }
.diversification-bars > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; font-size: 12px; color: var(--sil-muted); }
.diversification-bars strong { color: var(--sil-ink); font-weight: 550; }
.diversification-bar { grid-column: 1 / -1; height: 8px; background: var(--sil-chrome); border-radius: 2px; overflow: hidden; }
.diversification-bar i { display: block; height: 100%; }
.diversification-bar .lockstep { background: var(--sil-muted); opacity: .55; }
.diversification-bar .portfolio { background: var(--sil-accent); }
.diversification-comparison-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 40px; }
.diversification-table { width: 100%; margin-top: 16px; }
.diversification-table :is(th, td):nth-child(2) { background: var(--sil-wash); color: var(--sil-accent); }
.diversification-table td { white-space: nowrap; }
.strategy-research .diversification-verdict { margin: 20px 0 0; color: var(--sil-ink); font-size: 13px; font-weight: 550; }
.diversification-footnote { display: flex; align-items: center; gap: 32px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--sil-line); }
.strategy-research .diversification-footnote .research-caution { margin: 0; padding: 0; background: none; flex: 1; max-width: 90ch; }
.diversification-action { display: inline-flex; align-items: center; gap: 16px; flex: 0 0 auto; min-height: 44px; padding: 8px 0; font-size: 13px; font-weight: 550; text-decoration: none; }
.diversification-action:hover { text-decoration: underline; }
.strategy-research .research-dependence { padding-block: 8px; }
.research-dependence > details > summary { min-height: 52px; align-content: center; color: var(--sil-ink); font-size: 16px; font-weight: 550; cursor: pointer; }
.research-dependence > details > summary > span { display: block; color: var(--sil-muted); font-size: 12px; font-weight: 400; margin-top: 4px; }
.research-dependence .research-section { margin-top: 20px; }
.research-dependence > details[open] > summary { margin-bottom: 16px; }
.research-allocation-weights h3 { margin-bottom: 20px; }
.research-allocation-chart .allocation-performance { padding: 0; border: 0; }
.strategy-research .research-allocation-validation { margin-top: 28px; border-block: 1px solid var(--sil-line); }
.research-allocation-validation > summary { min-height: 32px; align-content: center; }
.research-allocation-validation > div { max-width: 800px; margin-top: 20px; }
@media (max-width: 1100px) {
  .diversification-evidence { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .diversification-risk { border-left: 0; border-top: 1px solid var(--sil-line); padding: 24px 0 0; }
  .diversification-risk > h3 { min-height: 0; }
  .diversification-stat span { max-width: none; }
  .diversification-footnote { align-items: start; flex-direction: column; gap: 12px; }
}
@media (max-width: 600px) {
  .strategy-research .research-heading h1 { font-size: 20px; }
  .strategy-research .research-heading #research-period-host { min-width: 0; }
  .research-period-control .range-picker-context { display: none; }
  .research-period-control .range-picker-trigger { padding-inline: 6px; gap: 4px; }
  .strategy-research .diversification-profile { gap: 20px; }
  .diversification-profile p { font-size: 13px; }
  .diversification-comparison-heading { flex-wrap: wrap; }
  .strategy-research .diversification-table :is(th, td) { padding: 12px 6px; font-size: 12px; }
  .strategy-research .diversification-table :is(th, td):first-child { padding-left: 0; }
  .diversification-table th:first-child { width: 30%; }
  .diversification-stat strong { font-size: 28px; }
  .diversification-section { padding-top: 20px; }
  .diversification-footnote { margin-top: 24px; }
}
.research-weight-row {
  display: grid;
  grid-template-columns: 48px minmax(30px, 1fr) 54px 58px;
  gap: 9px;
  align-items: center;
  padding: 11px 0;
  font-size: 13px;
}
.research-weight-row a {
  font-weight: 600;
  text-decoration: none;
}
.research-weight-row > span,
.research-weight-row > strong {
  text-align: right;
}
.research-weight-row > span {
  color: var(--sil-muted);
}
.research-weight-track {
  background: var(--sil-chrome);
  height: 8px;
  border-radius: 2px;
  overflow: hidden;
}
.research-weight-track i {
  display: block;
  background: var(--sil-accent);
  height: 100%;
}
.research-constraints {
  border-top: 1px solid var(--sil-line);
  padding-top: 15px;
  margin: 18px 0 0;
  display: grid;
  gap: 8px;
  font-size: 12px;
}
.research-comparison th,
.research-comparison td,
.research-risk-table th,
.research-risk-table td {
  padding: 12px 10px;
  border-bottom: 1px solid var(--sil-line);
  text-align: right;
}
.research-comparison th:first-child,
.research-risk-table th:first-child {
  text-align: left;
  padding-left: 0;
}
.research-comparison th {
  font-size: 11px;
  font-weight: 550;
}
.research-risk-table th {
  font-size: 12px;
  font-weight: 550;
}
.research-risk-table td {
  white-space: nowrap;
}
.research-risk-table small {
  display: block;
  color: var(--sil-muted);
  font-size: 11px;
  font-weight: 400;
}
.research-validation {
  margin-top: 30px;
}
.research-validation .research-chart {
  max-height: 275px;
}
.research-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  color: var(--sil-muted);
  font-size: 12px;
  margin: 12px 0;
}
.research-legend span::before {
  content: "";
  display: inline-block;
  width: 22px;
  border-top: 2px solid var(--sil-accent);
  margin-right: 8px;
  vertical-align: middle;
}
.research-legend span + span::before {
  border-top: 2px dashed var(--sil-muted);
}
.research-method-columns {
  margin-top: 20px;
}
.research-quality {
  font-size: 10px;
  text-align: left !important;
}
.strategy-research details {
  padding: 18px 0;
}
.strategy-research summary {
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}
@media (max-width: 1180px) {
  .research-heading {
    flex-direction: column;
    gap: 5px;
  }
  .research-controls {
    margin-bottom: 20px;
  }
  .research-section-title {
    flex-wrap: wrap;
  }
  .research-matrix-layout {
    gap: 22px;
    grid-template-columns: minmax(0, 1.5fr) minmax(195px, 1fr);
  }
  .research-allocation-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
  }
}
@media (max-width: 900px) {
  .research-jump {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    margin-bottom: 16px;
  }
  .research-jump a {
    min-height: 36px;
    display: inline-flex;
    align-items: center;
    font-size: 12px;
  }
}
@media (max-width: 700px) {
  .strategy-research {
    padding-top: 24px;
    font-size: 13px;
  }
  .strategy-research h2 {
    font-size: 20px;
  }
  .research-matrix-layout,
  .research-two-column,
  .research-method-columns {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .research-pair-detail {
    padding-top: 10px;
    border-top: 1px solid var(--sil-line);
  }
  .research-pair-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .research-pair-stats > div {
    display: block;
    font-size: 11px;
  }
  .research-pair-stats dd {
    font-size: 19px;
    margin-top: 5px;
  }
  .research-heatmap th {
    font-size: 10px;
  }
  .research-heatmap td {
    padding: 2px;
  }
  .research-heatmap button {
    font-size: 11px;
    min-height: 40px;
  }
  .research-controls {
    gap: 12px;
  }
  .research-section {
    padding-block: 26px;
  }
  .research-risk-table {
    min-width: 620px;
  }
  .research-validation .research-chart {
    min-height: 170px;
  }
  .research-chart text {
    font-size: 14px;
  }
  .research-presets {
    width: 100%;
  }
  .research-presets button {
    flex: 1;
    min-height: 44px;
    padding-inline: 7px;
  }
  .research-evidence {
    gap: 8px;
  }
  .research-evidence > span:nth-child(2) {
    flex-basis: 100%;
    order: 2;
  }
}