.lab-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, .72fr);
  gap: clamp(1.3rem, 5vw, 4.3rem);
  align-items: end;
  padding-block: clamp(2.9rem, 7vw, 6.1rem) clamp(2.15rem, 5vw, 4rem);
}
.lab-hero h1 {
  font-size: clamp(2.4rem, 5.1vw, 4.65rem);
  letter-spacing: -.077em;
  line-height: 1;
  text-wrap: initial;
}
.lab-hero h1 span { display: block; margin-top: .18em; color: var(--accent-text); }
.lab-hero .lede { margin-top: 0; }
.lab-hero .text-link { display: inline-block; margin-top: .85rem; }
.lab-demo { padding-bottom: clamp(2.4rem, 6vw, 4.8rem); }
.lab-heading { display: flex; justify-content: space-between; align-items: end; flex-wrap: wrap; gap: .35rem 1.4rem; margin-bottom: .8rem; }
.lab-heading h2 { font-size: clamp(1.48rem, 3vw, 2.25rem); letter-spacing: -.053em; text-wrap: initial; }
.lab-heading p { color: var(--muted); font: 470 .74rem/1.45 var(--mono); }
.lab-panel { --light: #eff5f6; --error: #ffad9f; --steel: #8fa7ae; background: var(--diagram); color: var(--light); border: 1px solid var(--diagram-line); border-radius: 12px; overflow: hidden; }
.lab-toolbar { display: flex; align-items: end; justify-content: space-between; flex-wrap: wrap; gap: .65rem 1rem; padding: 1rem 1.2rem; border-bottom: 1px solid var(--diagram-line); }
.lab-toolbar label { display: grid; min-width: 0; gap: .26rem; color: var(--diagram-secondary); font: 520 .76rem/1.3 var(--mono); }
.lab-toolbar select, .lab-download {
  max-width: 100%; min-height: 2.45rem; background: #ffffff0c; color: var(--light);
  border: 1px solid var(--diagram-line); border-radius: 5px; padding: .42rem .7rem;
  font: 600 .84rem/1.3 Geist, system-ui, sans-serif;
}
.lab-toolbar select { color-scheme: dark; }
.lab-toolbar select option { color: white; background: #1a252b; }
.lab-download { cursor: pointer; }
.lab-download:hover { background: #ffffff1d; }
.lab-panel :is(button,select,a):focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lab-stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); margin: 0; padding: 0 1.2rem; border-bottom: 1px solid var(--diagram-line); }
.lab-stats:empty { display: none; }
.lab-stats > div { min-width: 0; padding: .8rem .65rem .72rem 0; }
.lab-stats > div + div { padding-left: .9rem; border-left: 1px solid var(--diagram-line); }
.lab-stats dt { color: var(--diagram-secondary); font-size: .76rem; line-height: 1.3; }
.lab-stats dd { margin: .22rem 0 0; font: 620 clamp(.91rem, 2vw, 1.24rem)/1.35 var(--mono); overflow-wrap: anywhere; }
.trace-workspace { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); }
.trace-list { padding: .65rem 1.2rem 1.1rem; }
.trace-axis, .trace-row { display: grid; grid-template-columns: minmax(9.3rem, .92fr) minmax(0, 1.35fr); gap: .75rem; align-items: center; }
.trace-axis { padding: .28rem .65rem .42rem; color: var(--diagram-secondary); font: 490 .69rem/1.25 var(--mono); }
.trace-axis > span:last-child { display: flex; justify-content: space-between; flex-wrap: wrap; }
.trace-row { width: 100%; min-height: 2.95rem; border: 1px solid transparent; border-bottom-color: var(--diagram-line); border-radius: 4px; background: none; color: var(--light); padding: .3rem .65rem; text-align: left; cursor: pointer; }
.trace-row:hover { background: #ffffff12; }
.trace-row[aria-pressed="true"] { background: #ffffff10; border-color: var(--accent); }
.trace-label { display: grid; min-width: 0; line-height: 1.22; }
.trace-label strong { font: 640 .83rem/1.25 Geist, system-ui, sans-serif; }
.trace-label small { margin-top: .18rem; color: var(--diagram-secondary); font: 480 .65rem/1.25 var(--mono); overflow-wrap: anywhere; }
.trace-track { position: relative; display: block; height: 14px; border-radius: 3px; background: repeating-linear-gradient(to right,#ffffff06 0,#ffffff06 calc(25% - 1px),#ffffff20 calc(25% - 1px),#ffffff20 25%); }
.trace-track > span { position: absolute; display: block; top: 2px; height: 10px; left: var(--start); width: var(--duration); min-width: 2px; border-radius: 3px; background: var(--accent); }
.is-error .trace-track > span { background: repeating-linear-gradient(135deg, var(--error) 0 5px, #e18474 5px 8px); }
.trace-inspector { min-width: 0; padding: .9rem 1.2rem 1.25rem; background: #00000018; border-left: 1px solid var(--diagram-line); }
.span-meta { display: flex; flex-wrap: wrap; gap: .45rem .8rem; justify-content: space-between; color: var(--accent); font: 530 .72rem/1.4 var(--mono); }
.span-error { color: var(--error); }
.trace-inspector h3 { margin-block: .65rem .45rem; font-size: 1.23rem; text-wrap: initial; }
.trace-inspector p, .lab-outcome p { color: var(--diagram-text); font-size: .86rem; }
.span-attributes { margin: .8rem 0 0; font: 460 .69rem/1.4 var(--mono); }
.span-attributes div { display: flex; justify-content: space-between; gap: .45rem; border-top: 1px solid var(--diagram-line); padding: .29rem 0; }
.span-attributes dt { color: var(--diagram-secondary); overflow-wrap: anywhere; }
.span-attributes dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.lab-outcome { border-top: 1px solid var(--diagram-line); padding: 1rem 1.2rem 1.2rem; }
.lab-outcome h3 { margin-bottom: .45rem; font-size: 1.15rem; text-wrap: initial; }
.incident-evidence { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: .55rem; margin: .9rem 0 0; }
.incident-evidence div { border: 1px solid var(--diagram-line); border-radius: 5px; padding: .6rem .7rem; }
.incident-evidence dt { font-size: .8rem; font-weight: 660; }
.incident-evidence dd { margin: .25rem 0 0; color: var(--diagram-text); font-size: .78rem; }
.benchmark-toolbar { justify-content: start; }
.benchmark-toolbar label:first-child { min-width: min(13.2rem, 100%); }
.benchmark-figure { padding: .85rem 1.2rem 1.1rem; }
.chart-legend { display: flex; flex-wrap: wrap; gap: .4rem 1rem; margin-bottom: .35rem; }
.legend-item { display: inline-flex; align-items: center; gap: .35rem; color: var(--diagram-text); font-size: .76rem; }
.legend-item::before { content: ""; width: 1.2rem; border-top: 2px solid #eff5f6; }
.legend-item.model::before { border-color: #87e8c2; }
.legend-item.baseline::before { border-top: 2px dashed #ffbe86; }
.legend-item.interval::before { border-top: 6px solid #87e8c267; }
#sensor-chart { display: block; width: 100%; height: clamp(13rem, 28vw, 21rem); }
.lab-downloads { display: flex; flex-wrap: wrap; gap: .45rem 1.15rem; border-top: 1px solid var(--diagram-line); padding: .85rem 1.2rem; color: var(--diagram-text); font-size: .82rem; }
.lab-downloads a:hover { color: var(--accent); }
.lab-status { padding: .8rem 1.2rem; color: var(--diagram-text); font-size: .85rem; }
.lab-method { border-top: 1px solid var(--line); }
.lab-method h2 { margin-bottom: 1.25rem; }
.method-note { margin-top: 1rem; max-width: 75ch; color: var(--muted); font-size: .85rem; }

@media (max-width: 760px) {
  .lab-hero, .trace-workspace { grid-template-columns: 1fr; }
  .trace-inspector { border-left: 0; border-top: 1px solid var(--diagram-line); }
}
@media (max-width: 520px) {
  .lab-toolbar, .lab-stats, .trace-list, .trace-inspector, .lab-outcome, .benchmark-figure, .lab-downloads { padding-inline: .75rem; }
  .lab-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .lab-stats > div:nth-child(3) { border-left: 0; padding-left: 0; }
  .lab-stats > div:nth-child(n+3) { border-top: 1px solid var(--diagram-line); }
  .trace-axis, .trace-row { grid-template-columns: minmax(7.4rem,.97fr) minmax(0,1fr); gap: .48rem; padding-inline: .38rem; }
  .incident-evidence { grid-template-columns: 1fr; }
}