.workspace-navigation {
  display: flex;
  gap: 4px;
  padding: 0 14px 15px;
  border-bottom: 1px solid var(--line);
}
.workspace-navigation button {
  flex: 1;
  padding: 8px 5px;
  border-color: transparent;
  color: var(--muted);
}
.workspace-navigation button[aria-pressed="true"] {
  color: var(--fg);
  border-bottom-color: var(--bright);
}
.laboratory-open #main > :not(#laboratory) {
  display: none !important;
}
.laboratory-open .sidebar-content,
.laboratory-open #saved-places,
.laboratory-open #sidebar-together {
  display: none;
}

/* A laboratory's tools belong in its rail, alongside the Loom mode switch. */
.sidebar-laboratory {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 22px 12px;
}
.sidebar-laboratory .lab-tabs {
  display: flex;
  flex-direction: column;
  gap: 4px;
  border: 0;
  padding: 8px 0 24px;
  overflow: visible;
}
.sidebar-laboratory .lab-tabs button {
  width: 100%;
  padding: 13px 12px 13px 26px;
  font-size: 11px;
  text-align: left;
  border: 0;
  position: relative;
}
.sidebar-laboratory .lab-tabs button[aria-selected="true"] {
  background: var(--raised);
  color: var(--fg);
}
.sidebar-laboratory .lab-tabs button[aria-selected="true"]::before {
  content: "▸";
  position: absolute;
  left: 10px;
}
body.laboratory-open .workspace {
  grid-template-columns: var(--library-width) minmax(0, 1fr);
}
body.laboratory-open .app-sidebar {
  display: flex;
}
body.focus-mode.laboratory-open .app-sidebar {
  width: var(--library-width);
  border-right: 1px solid var(--line);
}
body.focus-mode.laboratory-open .app-sidebar > .app-header,
body.focus-mode.laboratory-open .app-sidebar > .app-footer {
  display: flex;
}
body.focus-mode.laboratory-open .app-sidebar > .workspace-navigation {
  display: grid;
}
body.focus-mode.laboratory-open .app-sidebar > .sidebar-laboratory {
  display: block;
}
.laboratory {
  height: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper);
}
.lab-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 30px 36px 25px;
  gap: 24px;
}
.lab-header h1 {
  font-size: 23px;
  font-weight: 400;
  margin: 10px 0 0;
  letter-spacing: -0.03em;
}
.lab-header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-shrink: 0;
}
.lab-header-actions button {
  font-size: 10px;
  padding: 7px 10px;
  color: var(--muted);
}
.lab-intro {
  margin: 10px 0 0;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.7;
  max-width: 580px;
}
.lab-tabs {
  display: flex;
  gap: 19px;
  padding: 0 36px;
  border-bottom: 1px solid var(--line);
}
.lab-tabs button {
  border: 0;
  border-bottom: 1px solid transparent;
  padding: 12px 0;
  color: var(--muted);
  white-space: nowrap;
  font-size: 11px;
}
.lab-tabs button[aria-selected="true"] {
  color: var(--fg);
  border-color: var(--fg);
}
.lab-tabs button:hover {
  background: transparent;
  color: var(--fg);
}
.lab-scroll {
  overflow: auto;
  min-height: 0;
  flex: 1;
  padding: 30px 36px 44px;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.lab-scroll > section {
  max-width: 1100px;
}
.lab-row.lab-run-row {
  flex-wrap: wrap;
  align-items: flex-start;
  padding: 22px 24px;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.lab-run-row > .lab-row-body {
  flex-basis: 50%;
}
.lab-run-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.lab-run-actions button {
  font-size: 10px;
  padding: 7px 10px;
}
.lab-run-stages {
  display: flex;
  flex-basis: 100%;
  gap: 0;
  list-style: none;
  padding: 0;
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 10px;
}
.lab-run-stages li {
  display: flex;
  align-items: center;
  flex: 1;
  gap: 9px;
}
.lab-run-stages li::before {
  content: "";
  width: 5px;
  height: 5px;
  border: 1px solid var(--line);
  flex-shrink: 0;
}
.lab-run-stages .is-complete::before {
  background: var(--muted);
  border-color: var(--muted);
}
.lab-run-stages .is-current {
  color: var(--fg);
}
.lab-run-stages .is-current::before {
  background: var(--fg);
  border-color: var(--fg);
  box-shadow: 0 0 0 3px var(--panel), 0 0 0 4px var(--bright);
}
.lab-run-progress {
  display: block;
  flex: 0 0 100%;
  width: 100%;
  height: 3px;
  border: 0;
  background: var(--line);
  appearance: none;
}
.lab-run-progress::-webkit-progress-bar {
  background: var(--line);
}
.lab-run-progress::-webkit-progress-value {
  background: var(--muted);
}
.lab-run-progress::-moz-progress-bar {
  background: var(--muted);
}
.lab-loss {
  flex: 0 0 100%;
  min-width: 0;
  margin: 10px 0 2px;
  font-size: 10px;
  color: var(--faint);
  font-variant-numeric: tabular-nums;
}
.lab-loss figcaption {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  line-height: 1.7;
}
.lab-loss-value {
  color: var(--muted);
}
.lab-loss-value b {
  color: var(--body);
  font-weight: 400;
  font-size: 16px;
  margin-left: 4px;
}
.lab-loss.is-inspecting .lab-loss-value b {
  color: var(--fg);
}
.lab-loss-plot {
  position: relative;
  height: 178px;
  padding-right: 48px;
  cursor: crosshair;
  outline: none;
  touch-action: pan-y;
}
.lab-loss-plot:focus-visible {
  outline: 1px dotted var(--bright);
  outline-offset: 5px;
}
.lab-loss canvas {
  display: block;
  width: 100%;
  height: 100%;
  image-rendering: pixelated;
}
.lab-loss-high,
.lab-loss-low {
  position: absolute;
  right: 0;
  font-size: 9px;
  line-height: 12px;
}
.lab-loss-high {
  top: 4px;
}
.lab-loss-low {
  bottom: 6px;
}
.lab-loss-axis {
  display: flex;
  justify-content: space-between;
  padding: 4px 54px 0 6px;
  font-size: 9px;
  line-height: 1.5;
}
.lab-search {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}
.lab-search input {
  flex: 1;
}
.lab-search button {
  min-width: 80px;
}
.lab-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 17px;
}
.lab-section-heading h2 {
  font-weight: 400;
  font-size: 14px;
  margin: 0;
}
.lab-section-heading > span {
  color: var(--muted);
  font-size: 10px;
}
.lab-section-heading button {
  padding: 7px 10px;
  font-size: 11px;
}
.lab-import-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}
.lab-import-progress {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0 16px;
  margin-bottom: 8px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
}
.lab-import-progress > div {
  min-width: 0;
}
.lab-import-progress p {
  margin: 0;
  line-height: 1.7;
}
#lab-import-file {
  color: var(--faint);
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
#lab-import-report {
  margin-bottom: 14px;
}
#lab-import-skipped ul {
  max-height: 160px;
  overflow-y: auto;
  padding-left: 18px;
}
.lab-advanced-datasets {
  margin-top: 24px;
}
.lab-advanced-datasets summary > span {
  margin-left: 8px;
}
.lab-row {
  display: flex;
  align-items: center;
  gap: 15px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.lab-row-body {
  flex: 1;
  min-width: 0;
}
.lab-checkpoint-details {
  margin-top: 10px;
}
.lab-checkpoint-details summary {
  color: var(--muted);
  font-size: 10px;
  cursor: pointer;
}
.lab-checkpoint-details .lab-digest {
  display: block;
  overflow-wrap: anywhere;
}
.lab-row h3 {
  margin: 0;
  font-size: 12px;
  font-weight: 400;
  overflow-wrap: anywhere;
}
.lab-meta {
  color: var(--muted);
  font-size: 10px;
  line-height: 1.7;
  margin: 7px 0 0;
  overflow-wrap: anywhere;
}
.lab-row > button {
  flex-shrink: 0;
  font-size: 10px;
  padding: 7px 10px;
}
.lab-empty {
  color: var(--muted);
  padding: 26px 20px;
  font-size: 12px;
  border: 1px dashed var(--line);
  line-height: 1.7;
}
.lab-training-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 255px;
  gap: 38px;
  align-items: start;
}
.lab-training-form,
.lab-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 20px;
  max-width: 790px;
}
.lab-step {
  margin: 0;
  border: 1px solid var(--line);
  padding: 20px;
  min-width: 0;
}
.lab-step legend {
  padding: 0 8px;
  font-size: 11px;
  color: var(--body);
}
.lab-step-number {
  display: inline-block;
  color: var(--faint);
  min-width: 22px;
  font-size: 9px;
}
.lab-run-summary {
  position: sticky;
  top: 0;
  min-width: 0;
  margin-top: 44px;
  padding: 22px;
  border-top: 1px solid var(--bright);
  background: var(--panel);
}
.lab-run-summary h3 {
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  margin: 13px 0 24px;
  overflow-wrap: anywhere;
}
.lab-summary-facts {
  font-size: 10px;
  line-height: 1.6;
  margin: 0 0 22px;
}
.lab-summary-facts dt {
  color: var(--faint);
  margin-top: 15px;
}
.lab-summary-facts dd {
  color: var(--body);
  overflow-wrap: anywhere;
  margin: 3px 0 0;
}
.lab-run-summary .lab-field-note {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.lab-run-summary button {
  padding-left: 0;
  margin-top: 8px;
}
.lab-training-form > .lab-section-heading,
.lab-wide {
  grid-column: 1 / -1;
}
.lab-training-form > .lab-section-heading {
  margin-bottom: 0;
}
.laboratory label {
  display: flex;
  flex-direction: column;
  gap: 9px;
  color: var(--muted);
  font-size: 11px;
}
.laboratory input,
.laboratory select {
  color: var(--fg);
  font-size: 12px;
}
#lab-training-mode {
  color: var(--fg);
  font-size: 12px;
  padding: 10px 0;
}
.lab-parameters {
  padding: 0 0 2px;
}
.laboratory summary {
  cursor: pointer;
  font-size: 11px;
  color: var(--muted);
}
.lab-parameters[open] summary {
  margin-bottom: 20px;
}
.lab-field-note {
  font-size: 10px;
  color: var(--faint);
  line-height: 1.5;
}
.lab-form-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.lab-plan {
  max-width: 790px;
  margin-top: 30px;
  border-top: 1px solid var(--bright);
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--bright);
}
.lab-plan h3 {
  font-size: 14px;
  font-weight: 400;
}
.lab-plan-facts {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 15px;
  margin: 22px 0;
  font-size: 11px;
  line-height: 1.6;
}
.lab-plan-facts dt {
  color: var(--muted);
}
.lab-plan-facts dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.lab-connection {
  max-width: 610px;
  padding-bottom: 26px;
  margin-bottom: 30px;
  border-bottom: 1px solid var(--line);
}
#lab-connections {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}
#lab-connections .lab-connection {
  padding: 22px;
  margin: 0;
  border: 1px solid var(--line);
  max-width: none;
}
#lab-connections .lab-connection:first-child {
  grid-column: 1 / -1;
}
#lab-connections .lab-connection:first-child label {
  max-width: 500px;
}
.lab-connection .lab-form-actions {
  margin-top: 16px;
}
.lab-error {
  color: var(--danger);
  font-size: 11px;
  line-height: 1.6;
}
#lab-error {
  padding: 12px 32px;
  margin: 0;
  border-bottom: 1px solid var(--line);
}
.lab-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 31px;
  padding: 8px 32px;
  color: var(--muted);
  font-size: 10px;
  border-top: 1px solid var(--line);
}
#lab-cancel-import,
#lab-cancel-import-background {
  padding: 0;
  font-size: 10px;
  white-space: nowrap;
}
.lab-digest {
  color: var(--faint);
  font-size: 10px;
  overflow-wrap: anywhere;
}
.lab-example {
  font: inherit;
  color: var(--body);
  font-size: 11px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  line-height: 1.7;
  padding: 16px;
  border: 1px solid var(--line);
}
#lab-dataset-preview {
  margin-top: 30px;
  border-top: 1px solid var(--bright);
  padding-top: 14px;
}
.lab-account-machines {
  margin-top: 32px;
}
.lab-checkpoints-heading {
  margin-top: 32px;
}
.lab-account-recovery {
  margin-top: 20px;
}
.lab-account-recovery form {
  margin-top: 18px;
}
.lab-sharing-dialog {
  width: min(540px, calc(100vw - 40px));
  padding: 28px;
}
.lab-sharing-dialog label {
  display: flex;
  flex-direction: column;
  gap: 10px;
  color: var(--muted);
  font-size: 11px;
}
.lab-sharing-dialog .lab-form-actions {
  margin-top: 24px;
}
.lab-sharing-dialog .lab-search {
  margin-top: 20px;
}
.lab-sharing-dialog #lab-sharing-close {
  border: 0;
}
.lab-user-result {
  margin: 0 8px 8px 0;
}
@media (max-width: 1000px) {
  .lab-header {
    padding: 20px;
  }
  .lab-tabs {
    gap: 14px;
    padding: 0 20px;
  }
  .lab-scroll {
    padding: 22px 20px;
  }
  .lab-row {
    gap: 10px;
  }
  .lab-training-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }
  .lab-run-summary {
    position: static;
    margin-top: 0;
  }
  .lab-summary-facts {
    display: grid;
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 12px;
  }
  .lab-summary-facts dt,
  .lab-summary-facts dd {
    margin: 0;
  }
  .lab-header-actions > span {
    display: none;
  }
  #lab-connections {
    grid-template-columns: minmax(0, 1fr);
  }
}
@media (max-width: 700px) {
  .lab-header {
    align-items: flex-start;
    gap: 14px;
  }
  .lab-header h1 {
    font-size: 19px;
  }
  .lab-tabs {
    overflow-x: auto;
    flex-shrink: 0;
    scrollbar-width: thin;
  }
  .lab-section-heading {
    flex-wrap: wrap;
  }
  .lab-fields {
    grid-template-columns: minmax(0, 1fr);
  }
  .lab-step {
    padding: 16px;
  }
  .lab-row.lab-run-row {
    padding: 18px;
  }
  .lab-run-row > .lab-row-body {
    flex-basis: 100%;
  }
  .lab-run-actions {
    justify-content: flex-start;
  }
  .lab-run-stages {
    font-size: 9px;
  }
  .lab-run-stages li {
    gap: 6px;
  }
  .lab-plan-facts {
    grid-template-columns: 90px minmax(0, 1fr);
    gap: 12px;
  }
}
@media (prefers-reduced-motion: reduce) {
  .laboratory * {
    scroll-behavior: auto;
  }
}
@media (max-width: 960px) {
  body.laboratory-open .app-sidebar { display: block; }
  .sidebar-laboratory { overflow: visible; }
  .laboratory { min-height: 0; }
  .lab-scroll { overscroll-behavior-y: contain; scroll-padding-block: 20px; }
  .laboratory button, .laboratory summary, .lab-sharing-dialog button, .sidebar-laboratory button, .sidebar-laboratory summary {
    min-height: 44px;
    font-size: 12px;
    touch-action: manipulation;
  }
  .laboratory button, .lab-sharing-dialog button { min-width: 44px; max-width: 100%; overflow-wrap: anywhere; }
  .laboratory summary, .sidebar-laboratory summary { padding-block: 12px; }
  .laboratory input, .laboratory select, .lab-sharing-dialog input, .lab-sharing-dialog select { min-height: 44px; font-size: 16px; scroll-margin-block: 20px; }
  .laboratory label, .lab-sharing-dialog label { min-width: 0; font-size: 12px; }
  .lab-header > div { min-width: 0; }
  .lab-intro, .lab-field-note, .lab-empty, .lab-error, .lab-footer, .lab-section-heading, .lab-step legend { overflow-wrap: anywhere; }
  .lab-sharing-dialog {
    position: fixed;
    top: var(--social-viewport-top, 0px);
    bottom: auto;
    margin: 12px auto;
    max-height: calc(var(--social-viewport-height, 100dvh) - 24px);
    overflow-y: auto;
    overscroll-behavior-y: contain;
  }
}
@media (max-width: 600px) {
  .lab-header { padding: 20px 16px 16px; flex-wrap: wrap; }
  .lab-header-actions { margin-left: auto; }
  .lab-scroll { padding: 20px 16px 32px; }
  .lab-section-heading { gap: 12px; align-items: start; }
  .lab-import-actions, .lab-form-actions { width: 100%; justify-content: flex-start; }
  .lab-search { flex-wrap: wrap; }
  .lab-search input { flex-basis: 100%; }
  .lab-search button { width: 100%; }
  .lab-row { flex-wrap: wrap; }
  .lab-row > .lab-row-body { flex-basis: 100%; }
  .lab-training-form { grid-template-columns: minmax(0, 1fr); }
  .lab-plan, .lab-run-summary, #lab-connections .lab-connection { padding: 18px 16px; }
  .lab-row.lab-run-row { padding: 16px; }
  .lab-run-stages { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; font-size: 11px; }
  .lab-run-stages li { min-width: 0; overflow-wrap: anywhere; }
  .lab-loss figcaption, .lab-import-progress, .lab-footer { flex-wrap: wrap; }
  .lab-footer { padding: 8px 16px; }
  .lab-footer > span { min-width: 0; }
  #lab-error { padding: 12px 16px; }
  .lab-sharing-dialog { width: calc(100vw - 24px); max-width: calc(100vw - 24px); padding: 16px; }
  .lab-user-result { width: 100%; margin-right: 0; }
}