/* The dimensionality notebook. Scoped to these static lab pages. */
:root {
  --id-paper: #f6f5ef; --id-card: #fffefa; --id-ink: #263c35; --id-muted: #626f68;
  --id-accent: #3e6b59; --id-soft: #e8ede1; --id-rule: #dbe1d5; --id-orange: #b47143;
  --id-blue: #52788d; --id-serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --id-font: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --theme: var(--id-paper); --primary: var(--id-ink); --secondary: var(--id-muted);
  --content: var(--id-ink); --border: var(--id-rule); --main-width: 1180px; --gap: 24px;
}
html { background: var(--id-paper); scroll-behavior: smooth; scroll-padding-top: 94px; }
body.id-page { margin: 0; background: var(--id-paper); color: var(--id-ink); font: 15px/1.65 var(--id-font); }
.id-page *, .id-page *::before, .id-page *::after { box-sizing: border-box; }
.id-page main [hidden], .id-page main .hidden { display: none !important; }
.id-page a { color: var(--id-accent); text-decoration: none; }
.id-page a:hover { color: #204b38; }
.id-page :focus-visible { outline: 3px solid var(--id-accent); outline-offset: 4px; }
.id-page ::selection { background: #dae7d0; color: var(--id-ink); }
.id-page > .header, .id-page > .footer { font-family: "Courier New", monospace; }
.id-page > .header .menu { margin-left: auto; }
.id-page > .header { margin: 0; }
.id-page > .footer { max-width: 1180px; margin: 30px auto 0; border-color: var(--id-rule) !important; }
.id-page .id-skip { position: fixed; top: -100px; left: 16px; padding: 10px 18px; z-index: 200; color: white; background: var(--id-accent); border-radius: 8px; }
.id-page .id-skip:focus { top: 16px; }
body.id-page > .main { max-width: 1228px; width: 100%; padding: 34px 32px 50px; margin: 0 auto; }
.id-page main :is(p, li, strong, label, h1, h2, h3, h4) { color: inherit; }
.id-page main p { margin: 0 0 12px; }
.id-page main h1, .id-page main h2, .id-page main h3 { margin: 0; }
.id-back { display: inline-flex; align-items: center; font-size: 12px; min-height: 28px; margin-bottom: 20px; color: var(--id-muted) !important; }
.id-page .id-eyebrow { font-size: 10px; letter-spacing: .16em; text-transform: uppercase; font-weight: 650; color: var(--id-accent); margin: 0 0 12px; }
.id-hero { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; padding: 16px 0 38px; }
.id-page .id-hero h1 { font-family: var(--id-serif); font-size: clamp(44px, 5.4vw, 72px); font-weight: 400; line-height: 1.04; letter-spacing: -.05em; margin: 10px 0 24px; }
.id-hero h1 em { color: #708565; font-weight: 400; }
.id-page .id-lede { max-width: 500px; color: var(--id-muted); font-size: 15px; line-height: 1.8; margin: 0; }
.id-hero-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 22px; margin-top: 25px; font-size: 13px; }
.id-page .id-button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 43px; padding: 10px 16px; color: #fffefa; background: var(--id-accent); border: 1px solid var(--id-accent); border-radius: 9px; font: 550 12px/1.4 var(--id-font); cursor: pointer; transition: background .15s, transform .15s; text-decoration: none; white-space: nowrap; touch-action: manipulation; }
.id-page .id-button:hover { color: white; background: #2c533f; }
.id-page .id-button-secondary { background: var(--id-card); border-color: var(--id-rule); color: var(--id-ink); }
.id-page .id-button-secondary:hover { background: var(--id-soft); color: var(--id-ink); }
.id-page .id-button:disabled { opacity: .45; cursor: not-allowed; }
.id-hero-art { margin: 0; position: relative; }
.id-hero-art img { display: block; width: 100%; height: auto; }
.id-hero-art figcaption { color: var(--id-muted); font-size: 11px; text-align: center; margin-top: 7px; }
.id-concepts { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid var(--id-rule); padding: 26px 0; gap: 32px; margin-bottom: 36px; }
.id-page .id-concepts h2 { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.id-page .id-concepts p { color: var(--id-muted); font-size: 12px; margin: 0; max-width: 310px; }
.id-concept-symbol { color: #829273; font-family: var(--id-serif); font-size: 24px; margin-right: 8px; font-style: italic; }
.id-section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin: 30px 0 20px; }
.id-page .id-section-heading h2 { font-family: var(--id-serif); font-weight: 400; font-size: 30px; letter-spacing: -.025em; line-height: 1.2; }
.id-page .id-section-heading p:not(.id-eyebrow) { color: var(--id-muted); font-size: 12px; max-width: 380px; margin: 8px 0 0; }
.id-section-heading .id-section-note { color: var(--id-muted); font-size: 11px; white-space: nowrap; padding-bottom: 3px; }
.id-page .id-detail-heading h1 { font: 400 clamp(38px,4.7vw,58px)/1.1 var(--id-serif); letter-spacing: -.035em; max-width: 900px; margin: 0 0 14px; }
.id-page .id-detail-heading > p:not(.id-eyebrow) { color: var(--id-muted); max-width: 700px; font-size: 15px; }
.id-method-nav { display: flex; flex-wrap: wrap; gap: 6px; margin: 24px 0 28px; padding-bottom: 18px; border-bottom: 1px solid var(--id-rule); }
.id-page .id-method-link { display: inline-flex; align-items: center; min-height: 38px; font-size: 12px; padding: 8px 14px; border: 1px solid transparent; border-radius: 7px; color: var(--id-muted); transition: background .15s; }
.id-page .id-method-link:hover { background: #e8ece2; }
.id-page .id-method-link.is-active { background: var(--id-accent); border-color: var(--id-accent); color: white; }
.id-lab-loading { border: 1px solid var(--id-rule); border-radius: 16px; background: var(--id-card); padding: 30px; color: var(--id-muted); }
.id-lab-toolbar { display: flex; align-items: end; justify-content: space-between; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.id-lab-toolbar > :first-child { min-width: 230px; flex: 1; max-width: 400px; }
.id-lab-toolbar .id-toolbar-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.id-dataset-label { display: grid; gap: 6px; }
.id-lab-grid { display: grid; grid-template-columns: 248px minmax(0,1fr); grid-template-areas: 'controls plot'; gap: 22px; align-items: start; }
.id-control-panel { grid-area: controls; }
.id-plot-panel { grid-area: plot; }
.id-control-panel, .id-plot-panel, .id-result-panel, .id-diagnostic-panel, .id-method-results {
  min-width: 0; background: var(--id-card); border: 1px solid var(--id-rule); border-radius: 18px; padding: 22px; box-shadow: 0 4px 18px #253e2f04;
}
.id-control-panel { padding: 20px; }
.id-page .id-control-panel h3, .id-page .id-control-panel h2 { color: var(--id-muted); font-size: 10px; font-weight: 650; text-transform: uppercase; letter-spacing: .12em; margin-bottom: 18px; }
.id-control { display: grid; align-content: start; gap: 8px; min-width: 0; margin-bottom: 19px; }
.id-control:last-child { margin-bottom: 0; }
.id-control-heading { display: flex; align-items: center; justify-content: space-between; gap: 8px; color: var(--id-muted); font-size: 12px; }
.id-control-heading label, .id-control > label { font-size: 12px; font-weight: 500; }
.id-control-value { color: var(--id-ink); font: 12px/1.4 ui-monospace, monospace; background: #f1f3ea; border: 1px solid #e1e5d8; padding: 3px 7px; border-radius: 5px; }
.id-page select, .id-page input[type='number'] { display: block; width: 100%; min-width: 0; min-height: 43px; font: 13px var(--id-font); padding: 10px 12px; background: #f7f8f2; color: var(--id-ink); border: 1px solid #d4dccb; border-radius: 8px; }
.id-page select:disabled, .id-page input:disabled { opacity: .5; }
.id-page input[type='range'] { accent-color: var(--id-accent); width: 100%; margin: 2px 0; cursor: pointer; min-height: 24px; }
.id-advanced { border-top: 1px solid var(--id-rule); padding-top: 14px; margin-top: 5px; }
.id-advanced summary { color: var(--id-muted); font-size: 12px; cursor: pointer; min-height: 30px; }
.id-advanced[open] summary { margin-bottom: 14px; }
.id-panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.id-page .id-panel-heading h2, .id-page .id-panel-heading h3 { font: 550 14px var(--id-font); margin: 0; }
.id-control-panel .id-panel-heading { align-items: start; }
.id-page .id-control-panel .id-panel-heading h3 { font-size: 10px; line-height: 1.7; max-width: 115px; }
.id-view-switch { display: inline-flex; flex-shrink: 0; padding: 3px; gap: 3px; border: 1px solid var(--id-rule); border-radius: 9px; background: #f1f3ea; }
.id-view-button { min-width: 40px; min-height: 38px; border: 1px solid transparent; border-radius: 6px; background: transparent; color: var(--id-muted); font: 500 11px var(--id-font); cursor: pointer; touch-action: manipulation; }
.id-view-button:hover { background: #e4eadc; }
.id-view-button[aria-pressed='true'] { background: var(--id-card); border-color: #d3dccb; box-shadow: 0 1px 3px #263c3510; color: var(--id-accent); }
.id-page .id-chip { color: #586d4c; background: #eaf0e2; border: 1px solid #dce5d2; border-radius: 5px; padding: 4px 8px; font-size: 10px; line-height: 1.4; }
.id-scatter-wrap { background: #f0f3ea; border: 1px solid #e0e6d8; border-radius: 13px; overflow: hidden; }
.id-scatter-wrap canvas { display: block; width: 100%; max-width: 100%; height: auto; touch-action: manipulation; }
.id-plot-legend { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 16px; margin-top: 14px; font-size: 11px; color: var(--id-muted); }
.id-plot-legend > span { display: inline-flex; align-items: center; gap: 6px; }
.id-plot-legend i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; }
.id-page .id-point-status { color: var(--id-muted); font-size: 11px; margin: 12px 0 0; }
.id-selection-row { display: grid; grid-template-columns: 44px minmax(0,1fr) 44px; align-items: center; gap: 12px; padding-top: 8px; }
.id-selection-row .id-button { width: 44px; min-height: 44px; padding: 8px; font-size: 17px; }
.id-page .id-selection-row .id-point-status { margin: 0; text-align: center; line-height: 1.6; }
.id-page .id-reproducibility { border-top: 1px solid var(--id-rule); padding-top: 15px; margin: 14px 0 0; }
.id-analysis-grid { display: grid; grid-template-columns: minmax(260px,.8fr) minmax(0,1.5fr); gap: 22px; margin-top: 22px; align-items: stretch; }
.id-page .id-estimate-value { display: block; color: var(--id-accent); font: 400 clamp(46px,5vw,68px)/1.1 var(--id-serif); letter-spacing: -.04em; margin: 12px 0; font-variant-numeric: tabular-nums; }
.id-page .id-result-meta { font-size: 12px; color: var(--id-muted); }
.id-notice { padding: 12px 14px; border: 1px solid #e2dac0; border-radius: 9px; background: #f6f0df; color: #756039; font-size: 11px; line-height: 1.65; margin-top: 14px; }
.id-page .id-small { color: var(--id-muted); font-size: 11px; line-height: 1.7; }
.id-stat-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin-top: 16px; }
.id-stat-grid > div { border: 1px solid var(--id-rule); background: #f8f9f2; border-radius: 9px; padding: 10px 12px; font-size: 12px; }
.id-stat-grid :is(span,small) { display: block; font-size: 10px; color: var(--id-muted); }
.id-stat-grid strong { display: block; font-weight: 600; margin-top: 4px; }
.id-diagnostic { display: block; width: 100%; height: auto; overflow: visible; font-family: var(--id-font); }
.id-diagnostic text { font-family: var(--id-font); }
.id-method-results { margin-top: 22px; }
.id-page table { border-collapse: collapse; width: 100%; margin: 0; font-size: 12px; }
.id-page th { text-align: left; font-size: 10px; font-weight: 550; color: var(--id-muted); text-transform: uppercase; letter-spacing: .06em; background: #f4f6ed; }
.id-page th, .id-page td { padding: 12px 14px; border: 0; border-bottom: 1px solid var(--id-rule); vertical-align: middle; }
.id-page tbody tr:last-child td { border-bottom: 0; }
.id-page td strong { color: var(--id-ink); font-variant-numeric: tabular-nums; }
.id-page tbody tr:hover { background: #f8f9f3; }
.id-page .id-table-wrap { max-width: 100%; overflow-x: auto; }
.id-page .id-table-number { font: 500 17px var(--id-serif); font-variant-numeric: tabular-nums; color: var(--id-accent); }
.id-inspector { border: 1px solid var(--id-rule); background: var(--id-card); border-radius: 16px; padding: 5px 22px; margin-top: 22px; }
.id-inspector > summary { padding: 15px 0; color: var(--id-accent); font-size: 13px; font-weight: 550; cursor: pointer; }
.id-inspector[open] { padding-bottom: 20px; }
.id-page .id-inspector p { color: var(--id-muted); font-size: 12px; margin: 12px 0; }
.id-page .id-inspector .id-small { font-size: 11px; }
.id-pair-controls { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; max-width: 600px; margin-top: 20px; }
.id-pair-controls .id-control { margin: 0; font-size: 12px; }
.id-inspector .id-stat-grid { grid-template-columns: repeat(3,minmax(0,1fr)); margin-bottom: 20px; }
.id-page .id-export-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; margin-top: 16px; }
.id-page .id-export-row p { margin: 0; }
.id-export-row [data-action-status]:not(:empty) { flex-basis: 100%; }
.id-export-row input[type='text'] { width: 100%; padding: 12px; border: 1px solid var(--id-rule); border-radius: 8px; background: var(--id-card); color: var(--id-ink); font: 12px var(--id-font); }
.id-page .id-empty { color: var(--id-muted); padding: 20px; text-align: center; font-size: 13px; }
.id-method-cards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.id-page .id-method-card { display: flex; flex-direction: column; border: 1px solid var(--id-rule); background: var(--id-card); border-radius: 16px; padding: 22px; color: var(--id-ink); transition: transform .2s, box-shadow .2s; }
.id-page .id-method-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px #30462e0d; }
.id-card-top { display: flex; align-items: start; justify-content: space-between; gap: 14px; color: #87937c; font: 11px ui-monospace, monospace; }
.id-card-top svg { width: 118px; height: 88px; margin: 2px 0 16px; fill: none; stroke: #8d9b7e; stroke-width: 1.3; stroke-linecap: round; }
.id-card-top .id-diagram-solid { fill: #50725c; stroke: #50725c; }
.id-card-top .id-diagram-dot { fill: #be9463; stroke: #be9463; }
.id-card-top .id-diagram-fit { stroke: #50725c; stroke-width: 2; }
.id-page .id-card-tag { color: var(--id-muted); font-size: 10px; margin: 0 0 8px; }
.id-page .id-method-card h3 { font: 400 25px/1.15 var(--id-serif); letter-spacing: -.025em; margin-bottom: 12px; }
.id-page .id-method-card p { color: var(--id-muted); font-size: 12px; line-height: 1.8; margin: 0 0 24px; }
.id-card-footer { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--id-accent); margin-top: auto; }
.id-reading { margin-top: 44px; border-top: 1px solid var(--id-rule); padding-top: 30px; }
.id-reading-grid { display: grid; grid-template-columns: minmax(0,1.5fr) minmax(250px,1fr); gap: 28px; }
.id-explainer { border: 1px solid var(--id-rule); background: var(--id-card); border-radius: 18px; padding: 28px; min-width: 0; }
.id-page .id-explainer h2, .id-page .id-reading-aside h2 { font: 400 27px var(--id-serif); margin: 0 0 18px; }
.id-page .id-explainer p, .id-page .id-reading-aside p { font-size: 13px; color: var(--id-muted); line-height: 1.85; }
.id-equation { background: #edf1e6; border-radius: 12px; padding: 22px 18px; margin: 20px 0; max-width: 100%; overflow-x: auto; color: #304d3b; }
.id-equation math { font-size: 22px; }
.id-page .id-formula-note { font-size: 11px; color: var(--id-muted); }
.id-steps { list-style: none; padding: 0; margin: 22px 0 0; counter-reset: step; }
.id-steps li { counter-increment: step; position: relative; padding: 0 0 20px 38px; font-size: 13px; line-height: 1.8; }
.id-steps li:last-child { padding-bottom: 0; }
.id-steps li::before { content: '0' counter(step); position: absolute; left: 0; top: 0; color: #829475; font: 12px/1.8 ui-monospace, monospace; }
.id-steps strong { display: block; font-weight: 550; }
.id-steps span { color: var(--id-muted); }
.id-reading-aside { padding: 6px 2px; }
.id-reading-aside > section + section { border-top: 1px solid var(--id-rule); padding-top: 22px; margin-top: 22px; }
.id-page .id-reading-aside h3 { color: var(--id-accent); font-size: 11px; letter-spacing: .07em; text-transform: uppercase; font-weight: 600; margin: 0 0 12px; }
.id-page .id-source { font-size: 12px; display: block; line-height: 1.7; text-decoration: underline; text-decoration-color: #c5cfbb; text-underline-offset: 3px; }
.id-page .id-reading-note { background: #e9eee1; border-radius: 12px; padding: 16px 18px; font-size: 12px; color: #4e6346; margin-top: 24px; }
.id-back-to-top { display: inline-block; font-size: 12px; margin-top: 30px; border-bottom: 1px solid var(--id-rule); }
@media (min-width:900px) { .id-page > .header .menu.hidden { display: flex !important; } }
@media (max-width:1000px) {
  .id-hero { gap: 24px; }
  .id-lab-grid { grid-template-columns: 220px minmax(0,1fr); gap: 16px; }
  .id-analysis-grid { gap: 16px; grid-template-columns: minmax(230px,.85fr) minmax(0,1.2fr); }
  .id-control-panel, .id-plot-panel, .id-result-panel, .id-diagnostic-panel, .id-method-results { padding: 18px; }
}
@media (max-width:760px) {
  body.id-page > .main { padding: 24px 20px 32px !important; max-width: 760px; }
  .id-hero { grid-template-columns: 1fr; gap: 20px; }
  .id-hero-art { max-width: 420px; margin-inline: auto; width: 100%; }
  .id-concepts { gap: 16px; padding: 20px 0; }
  .id-lab-grid { grid-template-columns: 1fr; grid-template-areas: 'plot' 'controls'; }
  .id-control-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
  .id-control-panel > :is(h2,h3,.id-small,.id-advanced,.id-panel-heading) { grid-column: 1 / -1; }
  .id-page .id-control-panel .id-panel-heading h3 { max-width: none; }
  .id-view-button { min-width: 44px; min-height: 44px; }
  .id-analysis-grid { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .id-estimate-value { font-size: 52px; }
  .id-method-cards { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .id-reading-grid { grid-template-columns: 1fr; gap: 22px; }
  .id-section-heading { align-items: start; }
  .id-section-heading .id-section-note { display: none; }
}
@media (max-width:480px) {
  body.id-page > .main { padding: 20px 14px 30px !important; }
  .id-back { margin-bottom: 15px; }
  .id-hero { padding: 6px 2px 24px; }
  .id-page .id-hero h1 { font-size: 46px; }
  .id-page .id-lede { font-size: 14px; }
  .id-hero-art { max-width: 340px; }
  .id-concepts { grid-template-columns: 1fr; gap: 20px; margin-bottom: 26px; }
  .id-concepts > section { padding-left: 37px; position: relative; }
  .id-concept-symbol { position: absolute; left: 0; top: -3px; }
  .id-page .id-concepts p { max-width: none; }
  .id-page .id-section-heading h2 { font-size: 27px; }
  .id-page .id-detail-heading h1 { font-size: 39px; }
  .id-page .id-detail-heading > p:not(.id-eyebrow) { font-size: 13px; }
  .id-method-nav { margin: 18px 0 22px; gap: 4px; padding-bottom: 14px; }
  .id-page .id-method-link { font-size: 11px; padding: 7px 10px; min-height: 38px; }
  .id-lab-toolbar { align-items: stretch; }
  .id-lab-toolbar > :first-child { max-width: none; width: 100%; flex-basis: 100%; }
  .id-lab-toolbar .id-toolbar-actions { width: 100%; gap: 6px; }
  .id-lab-toolbar .id-toolbar-actions .id-button { flex: 1; padding: 9px 8px; font-size: 11px; }
  .id-control-panel, .id-plot-panel, .id-result-panel, .id-diagnostic-panel, .id-method-results { padding: 15px; border-radius: 14px; }
  .id-control-panel { gap: 0 16px; }
  .id-page .id-control-heading { font-size: 11px; }
  .id-control-value { font-size: 10px; padding: 3px 5px; }
  .id-panel-heading { gap: 8px; }
  .id-page .id-panel-heading h2, .id-page .id-panel-heading h3 { font-size: 13px; }
  .id-page .id-chip { font-size: 9px; }
  .id-inspector { padding-inline: 15px; }
  .id-inspector .id-stat-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .id-selection-row { gap: 8px; }
  .id-page .id-selection-row .id-point-status { font-size: 10px; }
  .id-plot-legend { gap: 6px 11px; font-size: 10px; }
  .id-method-cards { grid-template-columns: 1fr; }
  .id-page .id-method-card { padding: 22px; }
  .id-card-top svg { height: 76px; margin-bottom: 4px; }
  .id-explainer { padding: 20px; }
  .id-equation { padding: 20px 12px; }
  .id-equation math { font-size: 19px; }
  .id-page th, .id-page td { padding: 11px 8px; font-size: 11px; }
  .id-page th { font-size: 9px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .id-page *, .id-page *::before, .id-page *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}