.language-lab-main {
  max-width: 1600px;
  width: 100%;
  margin: 0 auto;
  padding: 32px clamp(16px, 3vw, 48px) 64px;
  box-sizing: border-box;
}
.lab-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}
.lab-heading h1 {
  margin: 8px 0 12px;
  font-size: clamp(28px, 3vw, 44px);
}
.lab-heading p {
  margin: 8px 0;
  color: var(--text-muted);
}
.lab-back {
  color: inherit;
  text-decoration: none;
  font-size: 13px;
}
.lab-eyebrow {
  font:
    11px/1.6 ui-monospace,
    monospace;
  letter-spacing: 3px;
}
.language-lab-main button,
.language-lab-main select {
  border: 1px solid #829fa44d;
  border-radius: 9px;
  padding: 9px 14px;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}
.language-lab-main button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}
.language-lab-main .lab-primary {
  background: #075e65;
  color: white;
  border-color: #075e65;
}
.language-lab-main button:focus-visible,
.language-lab-main input:focus-visible,
.language-lab-main textarea:focus-visible {
  outline: 2px solid #229eaa;
  outline-offset: 3px;
}
.lab-languages {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid #81999b40;
  padding-bottom: 18px;
}
.lab-languages button[aria-pressed='true'],
.lab-result-tabs button[aria-pressed='true'] {
  background: #08666b;
  color: white;
  border-color: transparent;
}
#lab-status {
  min-height: 22px;
  padding: 14px 0;
  font-size: 13px;
}
#lab-status.is-error {
  color: #c34e30;
}
body.language-lab-page .lab-environment {
  margin: 0 0 20px;
  padding: 16px 20px;
  border: 1px solid var(--ui-line, #81999b60);
  border-radius: 14px;
  background: var(--ui-surface-soft, #172c30);
  color: var(--ui-text, #e0efea);
  overflow-wrap: anywhere;
  font: inherit;
}
body.language-lab-page .lab-environment h2 {
  margin: 0 0 8px;
  font: 600 0.95rem/1.6 var(--font-ui);
  color: inherit;
}
body.language-lab-page .lab-environment p,
body.language-lab-page .lab-environment li {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.8;
  color: inherit;
}
.lab-environment-details {
  margin-top: 10px;
}
.lab-environment-details summary {
  width: fit-content;
  cursor: pointer;
  font-size: 0.85rem;
  line-height: 1.8;
}
.lab-environment-details summary:focus-visible {
  outline: 2px solid var(--ui-accent, #229eaa);
  outline-offset: 4px;
  border-radius: 4px;
}
.lab-environment-details ul {
  margin: 10px 0;
  padding-left: 1.3em;
}
body.language-lab-page #lab-octave-license-note {
  padding-top: 10px;
  border-top: 1px solid var(--ui-line, #81999b60);
}
.lab-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: 20px;
  align-items: start;
}
.lab-source-panel,
.lab-output-panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid #81999b40;
  border-radius: 16px;
  background: var(--panel-bg, #fff);
}
.lab-panel-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
  font-size: 13px;
}
.lab-panel-title label,
.lab-panel-title h2 {
  margin: 0 auto 0 0;
  font-size: 15px;
}
#lab-title {
  box-sizing: border-box;
  width: 100%;
  color: inherit;
  background: transparent;
  border: 0;
  border-bottom: 1px solid #81999b40;
  padding: 6px 0 12px;
  margin-bottom: 16px;
  font: inherit;
}
.lab-editor {
  display: flex;
  height: 430px;
  background: #112529;
  color: #e0efea;
  border-radius: 10px;
  overflow: hidden;
}
#lab-lines {
  box-sizing: border-box;
  width: 44px;
  margin: 0;
  padding: 16px 8px;
  text-align: right;
  overflow: hidden;
  color: #6e9598;
  font:
    13px/22px ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  user-select: none;
}
#lab-source {
  box-sizing: border-box;
  width: calc(100% - 44px);
  flex: 1;
  min-width: 0;
  height: 100%;
  padding: 16px 12px;
  border: 0;
  border-radius: 0;
  resize: none;
  background: transparent;
  color: inherit;
  tab-size: 4;
  font:
    13px/22px ui-monospace,
    SFMono-Regular,
    Menlo,
    Consolas,
    monospace;
  white-space: pre;
}
#lab-source.is-tracing {
  background-image: linear-gradient(#2d716c70, #2d716c70);
  background-size: 100% 22px;
  background-repeat: no-repeat;
  background-position: 0 var(--active-line, -30px);
}
.lab-run-options {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 16px;
}
.lab-run-options label {
  font-size: 12px;
}
#lab-speed {
  width: 60px;
  padding: 8px;
  border: 1px solid #81999b60;
  border-radius: 8px;
  color: inherit;
  background: transparent;
}
#lab-python-controls {
  margin: 12px 0;
}
#lab-python-controls button {
  margin-right: 8px;
}
#lab-position {
  display: block;
  font:
    12px/1.6 ui-monospace,
    monospace;
  margin-top: 10px;
}
.lab-input,
.lab-output {
  margin-top: 16px;
  font-size: 13px;
}
.lab-input summary,
.lab-output summary {
  cursor: pointer;
  padding: 8px 0;
}
#lab-stdin {
  box-sizing: border-box;
  width: 100%;
  margin-top: 8px;
  padding: 10px;
  color: inherit;
  background: transparent;
  border: 1px solid #81999b50;
  border-radius: 8px;
  font:
    13px/1.6 ui-monospace,
    monospace;
}
.lab-result-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
#lab-result {
  min-height: 320px;
  max-height: 650px;
  overflow: auto;
}
.lab-assembly {
  margin: 0;
  padding: 12px;
  min-height: 330px;
  background: #112529;
  color: #d9eee6;
  border-radius: 8px;
  overflow: auto;
  font:
    12px/1.65 ui-monospace,
    monospace;
  white-space: pre;
}
.lab-assembly .lab-source-line {
  color: #87bfc4;
  cursor: pointer;
  text-decoration: underline;
}
.lab-assembly-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
  flex-wrap: wrap;
}
.lab-wave-tools {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 10px;
  font-size: 12px;
}
.lab-wave-readout {
  font:
    12px/1.6 ui-monospace,
    monospace;
  margin-top: 10px;
  overflow-wrap: anywhere;
}
body:not(.theme-light) .lab-source-panel,
body:not(.theme-light) .lab-output-panel {
  background: #172c30;
}
@media (max-width: 900px) {
  .lab-workspace {
    grid-template-columns: minmax(0, 1fr);
  }
  .lab-editor {
    height: 360px;
  }
  .lab-heading {
    align-items: flex-start;
  }
}
@media (max-width: 480px) {
  .lab-heading {
    flex-direction: column;
    gap: 10px;
  }
  .lab-source-panel,
  .lab-output-panel {
    padding: 14px;
  }
  .lab-languages {
    gap: 6px;
  }
  .language-lab-main button {
    padding: 9px 11px;
  }
}
/* Keep editor metrics independent of site-wide reading-font and form overrides. */
body.language-lab-page .language-lab-main {
  display: block;
}
body.language-lab-page .language-lab-main #lab-source {
  background-color: #112529 !important;
  color: #e0efea !important;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
  font-size: 13px !important;
  line-height: 22px !important;
}
body.language-lab-page .language-lab-main #lab-lines,
body.language-lab-page .language-lab-main .lab-assembly,
body.language-lab-page .language-lab-main .lab-console,
body.language-lab-page .language-lab-main .lab-variables,
body.language-lab-page .language-lab-main .lab-variables code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace !important;
}
body.language-lab-page .language-lab-main .lab-primary,
body.language-lab-page .lab-languages button[aria-pressed='true'],
body.language-lab-page .lab-result-tabs button[aria-pressed='true'] {
  color: white !important;
}
body.language-lab-page #lab-result .lab-console,
body.language-lab-page #lab-console,
body.language-lab-page #lab-result .lab-assembly {
  color: #e0efea !important;
}

.lab-share-box {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  flex-shrink: 0;
}
.lab-share-box small {
  font-size: 11px;
  opacity: 0.7;
}
@media (max-width: 480px) {
  .lab-share-box {
    align-items: flex-start;
  }
}