@import url("./learn.css");

.lab-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-size: 12px;
  margin-bottom: 22px;
}
.lab-switcher a {
  color: #536277;
  text-decoration: none;
  padding-bottom: 7px;
  border-bottom: 2px solid transparent;
}
.lab-switcher a[aria-current] {
  color: #153f9e;
  border-color: #2453cc;
}

.lab-mobile-nav {
  display: none;
}

.lab-app {
  background: #f6f7fa;
  padding-bottom: 0;
}
.lab-layout {
  display: grid;
  grid-template-columns: 255px minmax(0, 1fr);
  max-width: 1600px;
  margin: 0 auto;
  padding: 32px;
  gap: 0 28px;
}
.lab-heading {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 36px;
  margin-bottom: 30px;
}
.lab-heading h1 {
  font-size: clamp(28px, 3vw, 39px);
  letter-spacing: -1.4px;
  margin: 7px 0 13px;
}
.lab-heading > div > p:last-child {
  font-size: 14px;
  color: #536277;
  max-width: 680px;
  margin: 0;
  line-height: 1.65;
}
.lab-prerequisite {
  max-width: 245px;
  font-size: 12px;
  line-height: 1.65;
  flex-shrink: 0;
}
.experiment-controls {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 5px;
  padding: 20px;
  align-self: start;
}
.control-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.control-title h2 {
  font-size: 15px;
  margin: 0;
  letter-spacing: -0.2px;
}
.control-title .text-button {
  font-size: 11px;
}
.experiment-controls > label,
.control-pair label,
.influence-controls > label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 7px;
  color: #44556d;
}
.experiment-controls select,
.experiment-controls input[type="number"],
.influence-controls input[type="number"] {
  width: 100%;
  min-width: 0;
  color: #223b61;
  border: 1px solid #c2cee0;
  border-radius: 4px;
  background: #fff;
  padding: 8px 9px;
  font-size: 12px;
}
.control-description {
  color: #58687e;
  font-size: 11px;
  line-height: 1.65;
  margin: 10px 0 16px;
}
.dgp-equation {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 17px 0;
  font: 13px/1.8 var(--mono);
  margin: 18px 0;
  color: #213d69;
  white-space: nowrap;
}
.lab-control {
  margin: 20px 0;
}
.lab-control label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  font-weight: 600;
  color: #34465f;
}
.lab-control label span {
  font-family: Georgia, serif;
  font-style: italic;
  color: #536b92;
}
.lab-control > div {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
}
.lab-control input[type="range"] {
  width: 100%;
  min-width: 0;
  accent-color: #2453cc;
  height: 22px;
  margin: 0;
}
.lab-control output {
  width: 38px;
  flex-shrink: 0;
  text-align: right;
  font: 12px/1.5 var(--mono);
  font-variant-numeric: tabular-nums;
  color: #243e66;
}
.lab-control > p {
  font-size: 10px;
  color: #5a6b81;
  margin: 4px 0 0;
  line-height: 1.5;
}
.control-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 22px 0 12px;
}
#new-sample {
  width: 100%;
  font-size: 11px;
}
.lab-checkbox {
  display: flex !important;
  align-items: start;
  gap: 8px;
  font-size: 11px !important;
  line-height: 1.6;
  margin: 24px 0 0 !important;
}
.lab-checkbox input {
  accent-color: #2453cc;
  margin-top: 3px;
  flex-shrink: 0;
}
.assumptions {
  border-top: 1px solid var(--line);
  padding-top: 15px;
  font-size: 11px;
  color: #4f6077;
  line-height: 1.7;
}
.assumptions summary {
  cursor: pointer;
  font-weight: 600;
  color: #34465e;
}
.assumptions p {
  margin: 12px 0 0;
}
.lab-workspace {
  min-width: 0;
}
.lab-tabs {
  display: flex;
  gap: 28px;
  border-bottom: 1px solid #ccd5e3;
  margin-bottom: 22px;
  overflow-x: auto;
}
.lab-tabs button {
  white-space: nowrap;
  padding: 3px 0 14px;
  font-size: 13px;
  color: #56667c;
  border-bottom: 2px solid transparent;
}
.lab-tabs button[aria-selected="true"] {
  color: #1e49bb;
  border-bottom-color: #2453cc;
  font-weight: 600;
}
.plot-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.lab-figure {
  margin: 0;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 19px 12px 15px;
  min-width: 0;
}
.lab-figure figcaption {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 0 7px;
  min-height: 82px;
}
.figure-number {
  font: 11px/1.7 var(--mono);
  color: #536b92;
  padding-top: 2px;
}
.lab-figure h2 {
  font-size: 15px;
  letter-spacing: -0.2px;
  margin: 0 0 7px;
  line-height: 1.4;
}
.lab-figure figcaption p {
  font-size: 11px;
  line-height: 1.6;
  color: #5b6b80;
  margin: 0;
}
.lab-scatter {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.lab-scatter text {
  fill: #56677e;
  font: 16px var(--mono);
}
.lab-scatter .lab-axis-title {
  fill: #344a6c;
  font: 16px var(--sans);
}
.lab-gridline {
  stroke: #e8edf4;
  stroke-width: 1;
}
.lab-zero {
  stroke: #c9d3e1;
  stroke-width: 1;
  stroke-dasharray: 3 4;
}
.lab-fit {
  stroke-width: 2.5;
}
.lab-fit.unadjusted {
  stroke: #ab6919;
}
.lab-fit.adjusted {
  stroke: #2859cf;
}
.lab-point {
  fill: #617ea8;
  opacity: 0.65;
  cursor: pointer;
  stroke: #fff;
  stroke-width: 0.7;
}
.lab-point:hover {
  opacity: 1;
  fill: #1d4cb9;
}
.lab-point.selected {
  fill: #172f58;
  stroke: #fff;
  stroke-width: 2;
  opacity: 1;
}
.lab-point:focus-visible {
  outline: none;
  stroke: #b56815;
  stroke-width: 3;
  opacity: 1;
}
.plot-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 16px;
  font-size: 10px;
  color: #53657d;
  margin-top: 6px;
}
.line-key {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.line-key::before {
  content: "";
  display: inline-block;
  width: 19px;
  height: 2px;
  background: #2859cf;
}
.line-key.unadjusted::before {
  background: #ab6919;
}
.observation-strip {
  display: flex;
  gap: 11px;
  align-items: center;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.observation-strip label {
  font-size: 11px;
  color: #4c5f7b;
}
.observation-strip input {
  width: 65px;
  padding: 6px 7px;
  font: 11px var(--mono);
  border: 1px solid #c5d0e0;
  border-radius: 3px;
}
.observation-strip p {
  margin: 0;
  font: 10px/1.7 var(--mono);
  color: #4e6380;
}
.lab-table-wrap {
  overflow-x: auto;
  max-height: 540px;
  margin: 16px 0;
}
.model-comparison {
  border-collapse: collapse;
  width: 100%;
  font-size: 12px;
  text-align: right;
}
.model-comparison caption {
  text-align: left;
  color: #54657f;
  font-size: 11px;
  padding: 0 0 13px;
}
.model-comparison th,
.model-comparison td {
  white-space: nowrap;
  padding: 12px 10px;
  border-bottom: 1px solid #dce3ee;
}
.model-comparison thead th {
  font-size: 10px;
  font-weight: 500;
  color: #536985;
}
.model-comparison th:first-child {
  text-align: left;
  padding-left: 0;
}
.model-comparison tbody th {
  font-size: 12px;
  font-weight: 500;
}
.model-comparison tbody th strong {
  display: block;
  font-weight: 600;
}
.model-comparison code {
  display: block;
  background: none;
  padding: 0;
  color: #5b6c84;
  font-size: 10px;
  margin-top: 5px;
  font-weight: 400;
}
.model-comparison td {
  font: 12px var(--mono);
  color: #263d61;
}
.lab-reading {
  font-size: 12px;
  color: #4c5e77;
  line-height: 1.8;
  margin: 17px 0 23px;
  max-width: 980px;
}
.analysis-prose {
  max-width: 810px;
}
.analysis-prose h2 {
  font-size: 24px;
  letter-spacing: -0.6px;
  margin: 7px 0 13px;
}
.analysis-prose p:not(.eyebrow) {
  font-size: 14px;
  line-height: 1.75;
  color: #4d5e76;
}
.residual-steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 28px 0;
}
.residual-steps section {
  border-top: 2px solid #a7bce2;
  padding-top: 12px;
}
.step-index {
  font: 11px var(--mono);
  color: #566d92;
}
.residual-steps h3 {
  font-size: 14px;
  margin: 10px 0;
  letter-spacing: -0.1px;
}
.residual-steps code {
  font-size: 10px;
  display: block;
  padding: 8px;
  background: #eaf0fb;
  overflow-wrap: anywhere;
}
.residual-steps p {
  font-size: 12px;
  line-height: 1.8;
  color: #4a5e7b;
  margin: 12px 0 0;
}
.identity-display {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px 24px;
  border-top: 1px solid #cbd6e7;
  border-bottom: 1px solid #cbd6e7;
  padding: 23px 0;
  margin: 20px 0;
}
.identity-display div span {
  font-size: 11px;
  color: #526984;
  display: block;
  margin-bottom: 9px;
}
.identity-display strong {
  font: 23px var(--mono);
  font-weight: 500;
  letter-spacing: -1px;
  color: #1e4395;
}
.identity-symbol {
  color: #5f7494;
  font-size: 24px;
  font-weight: 300;
}
.identity-display small {
  flex: 0 0 100%;
  font-size: 10px;
  color: #5a6e8b;
}
.variation-summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 28px 0;
}
.variation-summary div span {
  display: block;
  font-size: 11px;
  color: #5a6c85;
  margin-bottom: 12px;
  line-height: 1.6;
}
.variation-summary strong {
  font: 24px var(--mono);
  letter-spacing: -0.5px;
  color: #2d4f88;
}
.variation-summary p {
  grid-column: 1 / -1;
  font-size: 12px;
  color: #4d627f;
  line-height: 1.8;
  margin: 0;
}
.lab-workspace details {
  font-size: 12px;
  color: #405b84;
}
.lab-workspace details summary {
  cursor: pointer;
  padding: 10px 0;
}
.lab-workspace .result-table {
  font-size: 11px;
  background: #fff;
}
.influence-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(210px, 1fr);
  gap: 30px;
}
.influence-layout > div:first-child {
  background: #fff;
  padding: 12px 12px 0;
  border: 1px solid var(--line);
  border-radius: 4px;
  align-self: start;
}
.plot-caption {
  margin: 10px 6px 16px;
  color: #596e8c;
  font-size: 11px;
  line-height: 1.7;
}
.influence-controls > input {
  max-width: 100px;
}
#influence-values dl {
  margin: 16px 0;
}
#influence-values dl > div {
  display: flex;
  justify-content: space-between;
  gap: 15px;
  border-bottom: 1px solid var(--line);
  padding: 9px 0;
}
#influence-values dt {
  font-size: 11px;
  color: #506582;
}
#influence-values dd {
  margin: 0;
  font: 12px var(--mono);
}
.code-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.lab-code {
  max-height: 640px;
  overflow: auto;
  white-space: pre;
  font: 12px/1.85 var(--mono);
  background: #fff;
  border: 1px solid #c9d5e6;
  border-radius: 4px;
  padding: 24px;
  color: #284b82;
}
.lab-status {
  font-size: 12px;
  color: #345a9c;
  margin: 20px 0;
  min-height: 0;
}
.lab-status:empty {
  display: none;
}
.lab-sources {
  border-top: 1px solid #dce3ee;
  margin-top: 30px;
  padding-top: 16px;
  font-size: 10px;
  color: #61718a;
  line-height: 1.8;
}
.lab-error {
  font-size: 12px;
  line-height: 1.7;
  color: #a13530;
  background: #fff1ef;
  border-left: 2px solid #c45d53;
  padding: 12px;
}
.modified-warning {
  background: #fff2d7;
  color: #75500e;
  padding: 12px 16px;
  font-size: 12px;
  line-height: 1.7;
  margin-bottom: 20px;
}
.modified-warning button {
  color: #75490c;
  font-size: 12px;
  margin-left: 7px;
}
@media (min-width: 1600px) {
  .lab-layout {
    grid-template-columns: 270px minmax(0, 1fr);
    gap: 0 35px;
  }
}
@media (max-width: 1180px) {
  .lab-layout {
    padding: 24px;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: 0 22px;
  }
  .plot-pair {
    grid-template-columns: 1fr;
  }
  .lab-figure figcaption {
    min-height: 0;
    margin-bottom: 15px;
  }
  .lab-figure {
    padding: 18px;
  }
  .lab-prerequisite {
    max-width: 190px;
  }
  .influence-layout {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 850px) {
  .lab-app {
    padding-bottom: 65px;
  }
  .lab-mobile-nav {
    position: fixed;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    bottom: 0;
    left: 0;
    right: 0;
    padding: 5px 12px max(7px, env(safe-area-inset-bottom));
    background: #fff;
    border-top: 1px solid #ccd6e6;
    box-shadow: 0 -3px 12px #17293f08;
    z-index: 20;
  }
  .lab-mobile-nav button {
    min-height: 40px;
    color: #234b9e;
    font-size: 12px;
  }
  .lab-mobile-nav button + button {
    border-left: 1px solid #e0e6f0;
  }
  .experiment-controls,
  .lab-tabs,
  #coefficient-comparison {
    scroll-margin-top: 14px;
  }
  .lab-layout {
    grid-template-columns: 1fr;
    padding: 22px 18px;
  }
  .lab-heading {
    display: block;
    margin-bottom: 22px;
  }
  .lab-prerequisite {
    display: inline-block;
    max-width: none;
    margin-top: 12px;
  }
  .experiment-controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 25px;
    margin-bottom: 26px;
  }
  .control-title,
  .experiment-controls > label,
  .experiment-controls > select,
  #scenario-description,
  .dgp-equation,
  .control-pair,
  .lab-checkbox,
  .experiment-controls > .control-description,
  .assumptions,
  .lab-error {
    grid-column: 1 / -1;
  }
  .control-title {
    margin-bottom: 14px;
  }
  .dgp-equation {
    margin: 4px 0 0;
    text-align: center;
  }
  .lab-control {
    margin: 14px 0;
  }
  #new-sample {
    grid-column: 1 / -1;
  }
  .control-pair {
    margin-top: 15px;
  }
  .lab-tabs {
    gap: 23px;
  }
  .plot-pair {
    grid-template-columns: 1fr 1fr;
    gap: 15px;
  }
  .lab-figure {
    padding: 15px 8px;
  }
  .lab-figure figcaption {
    min-height: 95px;
  }
}
@media (max-width: 600px) {
  .lab-layout {
    padding: 20px 12px;
  }
  .lab-heading h1 {
    font-size: 29px;
    letter-spacing: -0.9px;
  }
  .lab-heading > div > p:last-child {
    font-size: 13px;
  }
  .lab-app .app-header {
    padding: 13px 15px;
  }
  .lab-app .app-header nav {
    gap: 20px;
  }
  .lab-app .app-header nav a {
    font-size: 12px;
  }
  .lab-app #export-lab {
    margin-left: auto;
    font-size: 11px;
  }
  .experiment-controls {
    padding: 16px;
    gap: 0 18px;
  }
  .lab-control label {
    font-size: 11px;
  }
  .lab-control > div {
    gap: 8px;
  }
  .lab-tabs {
    gap: 18px;
    margin-bottom: 18px;
  }
  .lab-tabs button {
    font-size: 12px;
  }
  .plot-pair,
  .residual-steps,
  .variation-summary {
    grid-template-columns: 1fr;
  }
  .lab-figure {
    padding: 18px 9px;
  }
  .lab-figure figcaption {
    min-height: 0;
  }
  .observation-strip {
    flex-wrap: wrap;
  }
  .observation-strip p {
    flex-basis: 100%;
    font-size: 11px;
  }
  .model-comparison td {
    font-size: 11px;
  }
  .analysis-prose h2 {
    font-size: 23px;
  }
  .analysis-prose p:not(.eyebrow) {
    font-size: 13px;
  }
  .residual-steps {
    gap: 23px;
  }
  .identity-display {
    gap: 15px;
  }
  .identity-display strong {
    font-size: 19px;
  }
  .variation-summary {
    grid-template-columns: 1fr 1fr;
  }
  .variation-summary div span {
    font-size: 11px;
  }
  .influence-layout {
    gap: 20px;
  }
  .lab-code {
    padding: 15px;
    font-size: 11px;
  }
}
@media print {
  .lab-mobile-nav {
    display: none;
  }
  .lab-app .app-header,
  .experiment-controls,
  .lab-tabs,
  .code-actions,
  .influence-controls {
    display: none;
  }
  .lab-layout {
    display: block;
  }
  .lab-heading {
    display: block;
  }
  .lab-workspace [role="tabpanel"][hidden] {
    display: block !important;
  }
  .lab-table-wrap,
  .lab-code {
    max-height: none;
  }
  .lab-figure {
    break-inside: avoid;
  }
}

@media (max-width: 850px) {
  .plot-pair {
    grid-template-columns: 1fr;
  }
  .lab-figure figcaption {
    min-height: 0;
  }
}
@media (max-width: 600px) {
  .lab-scatter text {
    font-size: 20px;
  }
  .lab-scatter .lab-axis-title {
    font-size: 19px;
  }
}