/* One recorded experiment connects reconstruction, choice, and identification. */
#calibration-loop .lab-heading-copy { container-type: inline-size; }
#loop-title { max-width: none; white-space: nowrap; text-wrap: nowrap; font-size: min(clamp(28px, calc(20px + 1.75vw), 48px), 4cqi); }
.lab-method-section [hidden] { display: none !important; }
.lab-method-stage { position: relative; width: 100%; aspect-ratio: 10 / 7; min-width: 0; min-height: 500px; overflow: hidden; background: transparent; }
.lab-method-panel { position: absolute; inset: 0; overflow: hidden; }
.paper-project .lab-method-panel > video[data-loop-video] { background: transparent; }
.lab-reconstruction { --reveal-position: 50%; cursor: ew-resize; touch-action: pan-y pinch-zoom; user-select: none; -webkit-user-select: none; }
.lab-reconstruction-real, .lab-reconstruction-model { position: absolute; inset: 0; pointer-events: none; }
.lab-reconstruction-real { clip-path: inset(0 calc(100% - var(--reveal-position)) 0 0); }
.lab-reconstruction-model { clip-path: inset(0 0 0 var(--reveal-position)); background: var(--paper-charcoal, #423b44); }
.lab-reconstruction-real > img, .lab-reconstruction-model > img { display: block; width: 100%; height: 100%; object-fit: contain; }
.lab-calibration-source { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.lab-calibration-composite { position: absolute; z-index: 1; inset: 0; display: block; width: 100%; height: 100%; pointer-events: none; opacity: 0; }
.has-calibration-frames > .lab-calibration-composite { opacity: 1; }
.has-calibration-frames > .lab-reconstruction-real > img,
.has-calibration-frames > .lab-reconstruction-model > img { visibility: hidden; }
.lab-scene-detections { position: absolute; inset: 0; width: 100%; height: 100%; fill: none; stroke: #eeede7; stroke-width: 1.4; stroke-dasharray: 6 5; opacity: .8; }
.lab-scene-label { position: absolute; left: 18px; bottom: 17px; padding: 7px 10px; background: #22231fdb; color: var(--lab-ink); font: 14px/1.5 'Geist Wght', sans-serif; }
.lab-reconstruction-model .lab-scene-label { left: auto; right: 18px; }
.lab-reconstruction > .lab-scene-label { z-index: 3; pointer-events: none; }
.lab-reconstruction > .lab-scene-label-model { left: auto; right: 18px; }
.lab-reconstruction-handle {
  --reconstruction-line: color-mix(in srgb, var(--lab-ink) 70%, transparent);
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--reveal-position);
  width: 64px;
  transform: translateX(-50%);
  display: grid;
  place-items: center;
  z-index: 2;
  cursor: ew-resize;
  touch-action: none;
}
.lab-reconstruction-handle::before,
.lab-reconstruction-handle::after {
  content: '';
  position: absolute;
  left: 50%;
  width: 1px;
  transform: translateX(-50%);
  pointer-events: none;
}
.lab-reconstruction-handle::before {
  top: 0;
  bottom: calc(50% + 20px);
  background: linear-gradient(to bottom, transparent, var(--reconstruction-line) 12%);
}
.lab-reconstruction-handle::after {
  top: calc(50% + 20px);
  bottom: 0;
  background: linear-gradient(to top, transparent, var(--reconstruction-line) 12%);
}
.lab-reconstruction-grip {
  position: relative;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid color-mix(in srgb, var(--lab-ink) 65%, transparent);
  border-radius: 50%;
  background: color-mix(in srgb, var(--paper-charcoal) 38%, transparent);
  color: var(--lab-ink);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 2px 12px #1612191f;
  transition: background 180ms ease, border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}
.lab-reconstruction-grip svg { display: block; width: 22px; height: 16px; }
.lab-reconstruction-grip svg path { stroke-width: 1.25; vector-effect: non-scaling-stroke; }
.lab-reconstruction-handle:focus-visible { outline: none; }
.lab-reconstruction-handle:focus-visible .lab-reconstruction-grip { outline: 1px solid var(--lab-ink); outline-offset: 5px; }
@media (hover: hover) {
  .lab-reconstruction:hover .lab-reconstruction-handle { --reconstruction-line: var(--lab-ink); }
  .lab-reconstruction:hover .lab-reconstruction-grip {
    border-color: var(--lab-ink);
    background: color-mix(in srgb, var(--paper-charcoal) 55%, transparent);
    transform: scale(1.04);
  }
}
.lab-reconstruction.is-dragging .lab-reconstruction-grip {
  border-color: var(--lab-ink);
  background: color-mix(in srgb, var(--paper-charcoal) 72%, transparent);
  box-shadow: 0 2px 16px #16121933;
  transform: scale(.96);
}
.lab-method-legend, .lab-method-media-label { position: absolute; left: 18px; right: 18px; bottom: 17px; font: 14px/1.5 'Geist Wght', sans-serif; color: var(--lab-ink); }
.lab-method-media-label { position: absolute; left: 18px; right: 18px; bottom: 17px; font: 14px/1.5 'Geist Wght', sans-serif; color: var(--lab-ink); }
.lab-scene-labels { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.lab-scene-labels > span { width: max-content; padding: 7px 10px; background: #22231fdb; }
.lab-scene-labels > span:last-child { justify-self: end; }
.lab-method-media-label { right: auto; padding: 7px 10px; background: #22231fdb; }
.lab-method-legend { display: flex; flex-wrap: wrap; gap: 10px 20px; width: max-content; max-width: calc(100% - 36px); padding: 8px 11px; background: #22231fe0; }
.lab-method-legend > span, .lab-decision-legend > span { display: inline-flex; align-items: center; gap: 9px; }
.lab-key-real, .lab-key-model, .lab-key-prediction { display: inline-block; width: 20px; height: 1px; background: #eeede7; flex: 0 0 auto; }
.lab-key-model { background: var(--ball-red); }
/* A single connected process diagram doubles as the stage navigation. */
.lab-loop-flow-shell { position: relative; margin: 28px 0; }
.lab-loop-flow-viewport { overflow-x: auto; scrollbar-width: none; }
.lab-loop-flow-viewport::-webkit-scrollbar { display: none; }
.lab-loop-flow { position: relative; width: 100%; min-width: 740px; height: 96px; }
.lab-flow-track { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; color: var(--lab-muted); pointer-events: none; }
.lab-flow-track > path { stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; opacity: .45; }
.lab-flow-track > [data-loop-return-path] { opacity: .3; }
.lab-method-section .lab-step-list { position: relative; display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); grid-template-rows: auto; border: 0; }
.lab-method-section .lab-step { display: flex; flex-direction: column; justify-content: flex-start; align-items: center; min-height: 60px; gap: 0; padding: 12px 15px 0; border: 0; text-align: center; background: transparent; }
.lab-flow-node { position: relative; display: flex; align-items: center; justify-content: center; width: 100%; min-width: 0; min-height: 48px; padding: 8px 6px 12px; overflow: hidden; border: 1px solid var(--lab-line); border-radius: 4px; background: var(--paper-charcoal, #423b44); color: var(--lab-muted); transition: color 180ms ease, border-color 180ms ease, background 180ms ease; }
.lab-flow-progress { position: absolute; left: 0; right: 0; bottom: 0; height: 4px; background: #ffffff0a; pointer-events: none; }
.lab-flow-progress > span { display: block; width: 100%; height: 100%; background: var(--lab-accent); transform: scaleX(0); transform-origin: left; }
.lab-step.is-complete .lab-flow-progress > span { opacity: .55; }
.lab-method-section .lab-step-label { font-size: 16px; line-height: 1.4; white-space: nowrap; }
.lab-method-section .lab-step:hover { background: transparent; color: var(--lab-ink); }
.lab-method-section .lab-step:hover .lab-flow-node { color: var(--lab-ink); border-color: color-mix(in srgb, var(--lab-ink) 50%, transparent); }
.lab-method-section .lab-step.is-active { color: var(--lab-ink); }
.lab-method-section .lab-step.is-active .lab-flow-node { color: var(--lab-ink); border-color: color-mix(in srgb, var(--lab-accent) 65%, transparent); background: color-mix(in srgb, var(--lab-accent) 9%, var(--paper-charcoal, #423b44)); }
.lab-method-section .lab-step.is-active .lab-step-label { font-weight: 600; }
.lab-method-section .lab-step:focus-visible { outline-offset: -3px; border-radius: 4px; }
.lab-method-section .lab-step:nth-child(1) { --lab-accent: var(--ball-blue); }
.lab-method-section .lab-step:nth-child(2) { --lab-accent: var(--ball-yellow); }
.lab-method-section .lab-step:nth-child(3) { --lab-accent: var(--ball-orange); }
.lab-method-section .lab-step:nth-child(4) { --lab-accent: var(--ball-purple); }
.lab-method-section .lab-step:nth-child(5) { --lab-accent: var(--ball-green); }
.lab-method-section .lab-loop-layout { grid-template-columns: minmax(0, 1fr) 340px; align-items: stretch; gap: 28px; }
.lab-method-caption { display: flex; align-items: center; justify-content: space-between; gap: 30px; margin-top: 20px; }
.lab-method-caption p { max-width: 54ch; margin: 0; color: var(--lab-muted); font-size: 16px; line-height: 1.65; text-wrap: pretty; }
.lab-method-error { display: grid; flex: 0 0 auto; gap: 6px; text-align: right; }
.lab-method-error strong { color: var(--lab-ink); font-size: 29px; font-weight: 400; letter-spacing: -.035em; line-height: 1.2; }
.lab-method-error > span { color: var(--lab-muted); font: 14px/1.5 'Geist Wght', sans-serif; }
.lab-method-footnote { max-width: 88ch; margin: 13px 0 0; color: var(--lab-muted); font: 14px/1.6 'Geist Wght', sans-serif; }
.lab-method-result { max-width: 76ch; margin: 22px 0 0; color: var(--lab-muted); font-size: 16px; line-height: 1.65; text-wrap: pretty; }
.lab-method-result strong { color: var(--lab-ink); font-weight: 500; }
.lab-study-status { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Candidate inspection stays inside the shared calibration workspace. */
.lab-choice { display: flex; flex-direction: column; }
.lab-choice-visual { position: relative; flex: 1; min-height: 0; }
.lab-decision-render { position: absolute; inset: 0; display: block; width: 100%; height: 100%; object-fit: contain; }
.lab-choice-legend { position: absolute; left: 14px; top: 12px; color: var(--lab-muted); font: 12px/1.5 'Geist Wght', sans-serif; }
.lab-choice-legend > span { display: inline-flex; align-items: center; gap: 8px; }
.lab-choice-candidates { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); flex: 0 0 auto; border-bottom: 1px solid var(--lab-line); }
.lab-choice-candidates .lab-method-candidate { align-items: flex-start; gap: 10px; min-height: 96px; padding: 15px 11px; border: 0; border-top: 1px solid var(--lab-line); }
.lab-choice-candidates .lab-method-candidate + .lab-method-candidate { border-left: 1px solid var(--lab-line); }
.lab-candidate-ball { width: 8px; height: 8px; flex: 0 0 auto; margin-top: 6px; border-radius: 50%; background: var(--ball-color); box-shadow: 0 0 0 2px #ffffff08; }
.lab-choice-candidates .lab-candidate-copy { display: grid; justify-content: start; min-width: 0; gap: 6px; font-size: 14px; line-height: 1.45; }
.lab-choice-candidates .lab-candidate-copy > span { color: var(--lab-muted); font-size: 12px; }
.lab-choice-candidates .lab-method-candidate.is-active { border-top-color: var(--lab-accent); background: #ffffff03; }
.lab-choice-candidates .lab-method-candidate.is-preview { border-top-color: var(--lab-accent); color: var(--lab-ink); background: #ffffff06; }
.lab-choice-candidates .lab-method-candidate:focus-visible { outline-offset: -4px; }

@media (max-width: 900px) {
  .lab-loop-flow { min-width: 640px; }
  .lab-method-section .lab-step { padding-inline: 12px; }
  .lab-method-section .lab-step-label { font-size: 14px; }
}
@media (max-width: 1100px) {
  .lab-method-section .lab-loop-layout { grid-template-columns: minmax(0, 1fr) 290px; gap: 22px; }
  .lab-choice-candidates .lab-method-candidate { min-height: 100px; gap: 7px; padding-inline: 8px; }
  .lab-choice-candidates .lab-candidate-copy { font-size: 12px; }
  .lab-choice-candidates .lab-candidate-copy > span { font-size: 11px; }
}
@media (min-width: 701px) and (max-width: 900px) {
  .lab-method-stage { aspect-ratio: auto; height: 430px; }
  .lab-choice-candidates { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-choice-candidates .lab-method-candidate { min-height: 70px; padding-block: 11px; }
  .lab-choice-candidates .lab-method-candidate:nth-child(3) { border-left: 0; }
}
@media (max-width: 700px) {
  .lab-method-section .lab-loop-layout { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .lab-loop-flow-shell { margin: 24px -5px; }
  .lab-method-section .lab-step { border-right: 0; }
  .lab-method-stage { aspect-ratio: auto; min-height: 0; height: clamp(340px, 78vw, 480px); }
  .lab-choice-candidates { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lab-choice-candidates .lab-method-candidate { min-height: 68px; padding: 10px 12px; gap: 9px; }
  .lab-choice-candidates .lab-method-candidate:nth-child(3) { border-left: 0; }
  .lab-choice-candidates .lab-candidate-copy { font-size: 12px; gap: 4px; }
  .lab-choice-candidates .lab-candidate-copy > span { font-size: 11px; }
  .lab-choice-legend { top: 5px; left: 10px; font-size: 11px; }
  .lab-key-prediction { width: 15px; }
  .lab-scene-label { left: 12px; bottom: 12px; padding: 6px 8px; }
  .lab-reconstruction-model .lab-scene-label, .lab-reconstruction > .lab-scene-label-model { right: 12px; }
  .lab-method-caption { align-items: flex-start; gap: 20px; margin-top: 16px; }
  .lab-method-caption p { font-size: 14px; }
  .lab-method-error strong { font-size: 25px; }
  .lab-method-error > span { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .lab-reconstruction-grip, .lab-flow-node { transition: none; }
}


/* One stable, readable agent summary across all five calibration stages. */
.agent-terminal { display: flex; flex-direction: column; width: 100%; height: 100%; min-width: 0; min-height: 500px; background: #1e1e1e; color: #e9e6e2; padding: 0 20px 16px; font: 14px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: break-word; }
.agent-terminal-window { display: flex; gap: 14px; align-items: center; margin: 0 -20px 16px; padding: 8px 12px; background: #2b2b2b; color: #a6a29d; font-size: 11px; }
.agent-terminal-window > span:first-child { color: #888079; letter-spacing: 2px; white-space: nowrap; }
.agent-terminal-bar { display: flex; align-items: center; gap: 14px; margin-bottom: 16px; }
.agent-terminal-mark { display: block; flex: 0 0 56px; width: 56px; height: 35px; color: #d97757; }
.agent-terminal-bar strong { color: #f4f0eb; font: bold 16px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.agent-terminal-prompt { margin: 14px 0 0; padding: 12px 0; border-top: 1px solid #6c6862; border-bottom: 1px solid #6c6862; color: #f4f0eb; }
.agent-terminal-prompt > span { margin-right: 6px; color: #d5d0c8; }
.agent-terminal-output { flex: 1; min-height: 252px; }
.agent-terminal-entry { display: flex; align-items: baseline; gap: 10px; margin: 12px 0 0; }
.agent-terminal-entry > span { flex: 0 0 auto; color: #d5d0c8; }
.agent-terminal-entry p { margin: 0; font: inherit; color: inherit; }
.agent-terminal-result { padding-left: 12px; color: #aaa59f; }
.agent-terminal-stage { margin: 0; color: #d97757; }
.agent-terminal-footnote { margin: 12px 0 0; color: #aaa59f; font: inherit; }
.agent-terminal-source { margin: 16px 0 0; color: #aaa59f; font: 11px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.agent-calibration-sidebar { min-width: 0; }