/* The sample inherits the signed-in lesson reader and Nova surfaces. */
.sample-sidebar-bottom {
  padding-top: 32px;
  gap: 16px;
}
.sample-sidebar-bottom > p {
  padding: 0 9px;
  color: #999;
  font-size: 11px;
  line-height: 1.8;
}
.sidebar .sample-signup {
  background: var(--color-lime);
  color: #252525;
  font-size: 11px;
  white-space: normal;
  text-align: center;
}
.app.collapsed .sample-sidebar-bottom > p,
.app.collapsed .sample-signup {
  display: none;
}
.sample-lesson .dialog-body {
  max-width: 900px !important;
  margin-inline: auto !important;
}
.sample-lesson .lesson-document aside {
  border-left: 3px solid var(--color-lime);
  background: #f7f8f3;
  padding: 15px 18px;
  border-radius: 0 12px 12px 0;
  margin: 22px 0;
  font-size: 13px;
}
.sample-lesson .lesson-document header > p {
  color: var(--color-muted);
}
.sample-lesson :is(section, [id]) {
  scroll-margin-top: 24px;
}
.sample-lesson summary {
  cursor: pointer;
  font-size: 12px;
}
.sample-reference {
  display: grid;
  grid-template-columns: minmax(100px, 1fr) 2fr;
  gap: 15px 24px;
  margin-top: 20px;
  font-size: 12px;
}
.sample-reference dt {
  font-weight: 600;
}
.sample-reference dd {
  margin: 0;
  color: var(--color-muted);
}
#lesson .sample-next {
  margin-top: 40px;
  padding: 28px;
  border-radius: 18px;
  background: #f6f7f1;
}
#lesson .sample-next > img {
  float: right;
  image-rendering: pixelated;
}
#lesson .sample-next h2 {
  font-size: 23px;
  line-height: 1.4;
  margin-top: 8px;
}
.sample-next small {
  display: block;
  margin-top: 12px;
  color: var(--color-muted);
}
.sample-nova-launcher {
  border: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  color: #fff;
  font-size: 12px;
  cursor: pointer;
}
.sample-nova-launcher img {
  image-rendering: pixelated;
}
.sample-nova-welcome > img {
  image-rendering: pixelated;
  margin-bottom: 12px;
}
#nova-panel .sample-nova-note {
  font-size: 11px;
  line-height: 1.7;
  color: var(--color-muted);
  margin-bottom: 18px;
}
#nova-panel .sample-nova-questions {
  margin-top: auto;
}
.sample-nova-questions > p {
  font-size: 11px;
  color: var(--color-muted);
  margin: 0 0 10px;
}
#nova-panel .sample-nova-questions .nova-suggestions {
  display: grid;
  gap: 6px;
  margin-top: 0;
}
#nova-panel .sample-nova-questions button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 40px;
  text-align: left;
  border-radius: 12px;
  font-size: 12px;
}
#nova-panel .sample-nova-questions button:hover {
  background: #f3f3f3;
}
/* The same local 3D explorer used on the landing, sized for the reader. */
.sample-lesson .lp-lab {
  border: 1px solid #e5e5e5;
  border-radius: 18px;
  overflow: hidden;
  margin: 32px 0;
}
.sample-lesson .lp-lab-copy {
  padding: 22px 22px 0;
}
#lesson .lp-lab h2 {
  font-size: 20px;
  line-height: 1.4;
  margin-top: 6px;
}
.sample-lesson .lp-lab-code {
  margin: 14px 0;
}
.sample-lesson .lp-lab-result {
  display: flex;
  align-items: center;
  gap: 15px;
  margin: 18px 0;
  font-size: 11px;
  color: var(--color-muted);
}
.sample-lesson .lp-lab-result > strong {
  font-size: 30px;
  font-weight: 550;
  color: var(--color-text);
  font-variant-numeric: tabular-nums;
}
.sample-lesson .lp-lab-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 20px;
  border-block: 1px solid #eee;
}
.sample-lesson .lp-lab-tabs {
  display: flex;
  gap: 4px;
}
.sample-lesson .lp-lab-tabs button {
  padding: 8px 12px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  font-size: 11px;
  min-height: 36px;
}
.sample-lesson .lp-lab-tabs button[aria-pressed="true"] {
  background: #ededed;
}
.sample-lesson .lp-lab-formula {
  font: 500 13px monospace;
}
.sample-lesson .lp-lab-stage {
  height: 290px;
  position: relative;
  background: #fafbf7;
  overflow: hidden;
}
.sample-lesson .lp-lab-stage canvas {
  display: block;
  width: 100%;
  height: 100%;
}
.sample-lesson .lp-lab-hint {
  position: absolute;
  bottom: 12px;
  left: 0;
  width: 100%;
  text-align: center;
  font-size: 10px;
  color: #777;
  pointer-events: none;
}
.sample-lesson .lp-lab-fallback {
  position: absolute;
  inset: 30px;
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 12px;
  color: #777;
}
.sample-lesson .lp-lab-controls {
  padding: 16px 20px;
}
.sample-lesson .lp-lab-size {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 11px;
}
.sample-lesson .lp-lab-size input {
  flex: 1;
  min-width: 0;
  margin: 12px 0;
  accent-color: #333;
}
.sample-lesson .lp-lab-size output {
  min-width: 42px;
  font-variant-numeric: tabular-nums;
}
.sample-lesson .lp-lab-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 12px;
}
.sample-lesson .lp-lab-play {
  display: flex;
  align-items: center;
  gap: 7px;
  border: 0;
  background: #292929;
  color: white;
  border-radius: 999px;
  padding: 9px 13px;
  font-size: 11px;
}
.sample-lesson .lp-lab-play svg {
  width: 13px;
  height: 13px;
}
@media (max-width: 760px) {
  #nova-panel .sample-nova-questions button {
    min-height: 44px;
  }
  .sample-reference {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .sample-reference dd {
    margin-bottom: 12px;
  }
}
@media (max-width: 640px) {
  .sample-lesson .lesson-context {
    flex-wrap: wrap;
    gap: 6px 12px;
  }
  .topbar:has(.sample-nova-launcher) {
    padding-inline: 12px;
  }
  .topbar .demo-tag {
    display: none;
  }
  .sample-lesson .lp-lab-stage {
    height: 240px;
  }
  .sample-sidebar-bottom .sample-signup {
    display: flex !important;
  }
  .sample-sidebar-bottom > p {
    display: block !important;
  }
  .sample-lesson .lp-lab-toolbar {
    padding: 12px;
  }
  .sample-lesson .lp-lab-copy {
    padding: 18px 16px 0;
  }
  .sample-lesson .lp-lab-controls {
    padding: 14px 16px;
  }
  .sample-nova-launcher {
    bottom: 20px !important;
  }
}
@media print {
  .sample-lesson .lp-lab,
  .sample-next,
  .sample-nova-launcher {
    display: none !important;
  }
  .sample-lesson .practice-task,
  .sample-lesson .practice-explanation,
  .sample-lesson .lesson-reference > details {
    content-visibility: visible;
  }
  .sample-lesson details > * {
    display: block !important;
  }
  .sample-lesson textarea {
    display: none;
  }
}
@media (max-width: 640px) {
  .app:has(.sample-lesson) > .sidebar {
    position: fixed;
    height: 100dvh;
  }
  .app:has(.sample-lesson) .sample-nova-launcher {
    left: 50%;
    transform: translateX(-50%);
    bottom: 20px;
  }
  .app:has(.sample-lesson) .topbar {
    padding-inline: 10px;
    gap: 6px;
  }
  .app:has(.sample-lesson) .crumb {
    min-width: 0;
    gap: 4px;
  }
  .app:has(.sample-lesson) .crumb .back-link-label {
    max-width: 95px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .sample-lesson .practice-task-body textarea {
    font-size: 16px;
  }
}