/* Lab V2 is an additive, framed-only calibration layer. */
body.study-framed-page .lab-v2 {
  --lv2-disease: var(--bad);
  --lv2-nondisease: var(--info);
  --lv2-predicted: var(--good);
  width: 100%;
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-panel);
}

body.study-framed-page .lab-v2 button {
  color: inherit;
  font: inherit;
}

body.study-framed-page .lab-v2 button:focus-visible,
body.study-framed-page .lab-v2 [role="slider"]:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

body.study-framed-page .lab-v2-head {
  min-width: 0;
  min-height: 54px;
  display: grid;
  grid-template-columns: minmax(210px, 1fr) auto;
  align-items: center;
  gap: 10px 18px;
  padding: 10px 12px 9px 14px;
  background: var(--bg-alt);
  border-bottom: 1px solid var(--border);
}

body.study-framed-page .lab-v2-head-copy { min-width: 0; }
body.study-framed-page .lab-v2-kicker {
  margin: 0 0 2px;
  color: var(--accent);
  font: 750 9px/1.35 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .12em;
  text-transform: uppercase;
}
body.study-framed-page .lab-v2-head h3 { margin: 0; font-size: 16px; line-height: 1.35; }
body.study-framed-page .lab-v2-head h3 span { color: var(--text-dim); font-size: 12px; font-weight: 500; }

body.study-framed-page .lab-v2-scenarios {
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 5px;
}

body.study-framed-page .lab-v2-scenario {
  min-height: 32px;
  padding: 5px 9px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--r-control);
  cursor: pointer;
  font-size: 10.5px;
  line-height: 1.25;
  white-space: nowrap;
}
body.study-framed-page .lab-v2-scenario:hover { color: var(--text); border-color: var(--border-strong); }
body.study-framed-page .lab-v2-scenario[aria-pressed="true"] {
  color: var(--accent-bright);
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  border-color: var(--accent);
}

body.study-framed-page .lab-v2-workbench {
  min-width: 0;
  height: 366px;
  display: grid;
  grid-template-columns: minmax(0, 1.62fr) minmax(294px, .92fr);
  gap: 9px;
  padding: 9px;
  background: var(--bg);
}

body.study-framed-page .lab-v2-stage,
body.study-framed-page .lab-v2-side {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--stage-panel);
  border: 1px solid var(--image-border);
  border-radius: var(--r-control);
}

body.study-framed-page .lab-v2-stage { position: relative; }
body.study-framed-page .lab-v2-stage svg { width: 100%; height: 100%; display: block; }

body.study-framed-page .lab-v2-svg-grid { stroke: var(--border); stroke-width: 1; }
body.study-framed-page .lab-v2-svg-axis { stroke: var(--text-muted); stroke-width: 1.4; }
body.study-framed-page .lab-v2-svg-text { fill: var(--text-dim); font: 12px/1.3 -apple-system, "PingFang TC", sans-serif; }
body.study-framed-page .lab-v2-svg-micro {
  fill: var(--text-muted);
  font: 700 9.5px/1.2 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .08em;
}
body.study-framed-page .lab-v2-svg-value {
  fill: var(--text);
  font: 750 12px/1.2 "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
body.study-framed-page .lab-v2-zone-positive { fill: color-mix(in srgb, var(--lv2-predicted) 7%, transparent); }
body.study-framed-page .lab-v2-curve-disease {
  fill: color-mix(in srgb, var(--lv2-disease) 12%, transparent);
  stroke: var(--lv2-disease);
  stroke-width: 2.2;
  vector-effect: non-scaling-stroke;
}
body.study-framed-page .lab-v2-curve-nondisease {
  fill: color-mix(in srgb, var(--lv2-nondisease) 10%, transparent);
  stroke: var(--lv2-nondisease);
  stroke-width: 2.2;
  stroke-dasharray: 5 4;
  vector-effect: non-scaling-stroke;
}
body.study-framed-page .lab-v2-mark-disease { fill: var(--lv2-disease); stroke: var(--stage-panel); stroke-width: 1.5; }
body.study-framed-page .lab-v2-mark-nondisease { fill: var(--lv2-nondisease); stroke: var(--stage-panel); stroke-width: 1.5; }
body.study-framed-page [data-lv2-mark].is-test-negative { opacity: .42; }
body.study-framed-page [data-lv2-mark].is-test-positive { opacity: 1; }
body.study-framed-page .lab-v2-threshold-line { stroke: var(--accent); stroke-width: 3; vector-effect: non-scaling-stroke; }
body.study-framed-page .lab-v2-threshold-cap { fill: var(--accent); }
body.study-framed-page .lab-v2-prevalence-track { stroke: var(--border-strong); stroke-width: 8; stroke-linecap: round; }
body.study-framed-page .lab-v2-prevalence-fill { stroke: var(--accent); stroke-width: 8; stroke-linecap: round; }
body.study-framed-page .lab-v2-prevalence-knob { fill: var(--accent); stroke: var(--stage-panel); stroke-width: 3; }
body.study-framed-page .lab-v2-handle-hit {
  fill: transparent;
  cursor: ew-resize;
  pointer-events: all;
  touch-action: none;
}
body.study-framed-page .lab-v2 [role="slider"] { border-radius: 5px; }

body.study-framed-page .lab-v2-side {
  display: grid;
  grid-template-rows: auto auto minmax(58px, 1fr);
  gap: 7px;
  padding: 8px;
}

body.study-framed-page .lab-v2-matrix {
  min-width: 0;
  display: grid;
  grid-template-columns: 58px repeat(2, minmax(0, 1fr));
  grid-template-rows: 21px repeat(2, 63px);
  gap: 3px;
}
body.study-framed-page .lab-v2-matrix-label {
  min-width: 0;
  display: grid;
  place-items: center;
  color: var(--text-muted);
  font: 700 8.5px/1.25 "SFMono-Regular", Consolas, monospace;
  letter-spacing: .04em;
  text-align: center;
}
body.study-framed-page .lab-v2-matrix-cell {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 1px;
  padding: 5px 7px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
}
body.study-framed-page .lab-v2-matrix-cell span { color: var(--text-muted); font-size: 9px; line-height: 1.2; }
body.study-framed-page .lab-v2-matrix-cell strong {
  color: var(--text);
  font: 760 18px/1.15 "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}
body.study-framed-page .lab-v2-matrix-cell.is-denominator {
  background: color-mix(in srgb, var(--accent) 13%, var(--panel));
  border-color: var(--accent);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 28%, transparent);
}

body.study-framed-page .lab-v2-metrics {
  min-width: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}
body.study-framed-page .lab-v2-metric {
  min-width: 0;
  min-height: 50px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 4px;
  padding: 5px 7px;
  color: var(--text-muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  text-align: left;
}
body.study-framed-page .lab-v2-metric:hover { border-color: var(--border-strong); }
body.study-framed-page .lab-v2-metric[aria-pressed="true"] {
  color: var(--accent-bright);
  background: color-mix(in srgb, var(--accent) 9%, var(--panel));
  border-color: var(--accent);
}
body.study-framed-page .lab-v2-metric span { min-width: 0; font-size: 9px; line-height: 1.2; overflow-wrap: anywhere; }
body.study-framed-page .lab-v2-metric strong {
  color: var(--text);
  font: 740 14px/1 "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

body.study-framed-page .lab-v2-formula {
  min-width: 0;
  align-self: stretch;
  display: grid;
  align-content: center;
  gap: 3px;
  padding: 7px 9px;
  color: var(--text-dim);
  background: var(--bg-alt);
  border-left: 3px solid var(--accent);
  border-radius: 6px;
  font-size: 10px;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
body.study-framed-page .lab-v2-formula strong {
  color: var(--text);
  font: 700 10px/1.35 "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

body.study-framed-page .lab-v2-foot {
  min-width: 0;
  min-height: 47px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 7px 12px 8px 14px;
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
}
body.study-framed-page .lab-v2-conclusion { margin: 0; color: var(--text-dim); font-size: 11px; line-height: 1.45; }
body.study-framed-page .lab-v2-conclusion strong { color: var(--text); }
body.study-framed-page .lab-v2-progress {
  min-width: 112px;
  display: grid;
  gap: 3px;
  color: var(--text-muted);
  font: 700 9px/1.3 "SFMono-Regular", Consolas, monospace;
  text-align: right;
  letter-spacing: .04em;
}
body.study-framed-page .lab-v2-progress-track { width: 112px; height: 4px; overflow: hidden; background: var(--border); border-radius: 99px; }
body.study-framed-page .lab-v2-progress-track span { display: block; height: 100%; width: 0; background: var(--accent); border-radius: inherit; }
body.study-framed-page .lab-v2.is-complete .lab-v2-progress { color: var(--good); }
body.study-framed-page .lab-v2.is-complete .lab-v2-progress-track span { background: var(--good); }

@media (max-width: 760px), (pointer: coarse) {
  body.study-framed-page .lab-v2-kicker,
  body.study-framed-page .lab-v2-svg-micro,
  body.study-framed-page .lab-v2-matrix-label,
  body.study-framed-page .lab-v2-matrix-cell span,
  body.study-framed-page .lab-v2-metric span,
  body.study-framed-page .lab-v2-formula,
  body.study-framed-page .lab-v2-formula strong,
  body.study-framed-page .lab-v2-conclusion,
  body.study-framed-page .lab-v2-progress { font-size: 11px; }
  body.study-framed-page .lab-v2-head { grid-template-columns: 1fr; align-items: start; padding: 12px; }
  body.study-framed-page .lab-v2-scenarios { justify-content: flex-start; }
  body.study-framed-page .lab-v2-scenario { min-height: 44px; flex: 1 1 92px; white-space: normal; }
  body.study-framed-page .lab-v2-workbench { height: auto; grid-template-columns: 1fr; padding: 7px; }
  body.study-framed-page .lab-v2-stage { height: 300px; }
  body.study-framed-page .lab-v2-side { overflow: visible; }
  body.study-framed-page .lab-v2-matrix { grid-template-columns: 52px repeat(2, minmax(0, 1fr)); }
  body.study-framed-page .lab-v2-metric { min-height: 48px; }
  body.study-framed-page .lab-v2-foot { grid-template-columns: 1fr; }
  body.study-framed-page .lab-v2-progress { width: 100%; text-align: left; }
  body.study-framed-page .lab-v2-progress-track { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  body.study-framed-page .lab-v2 * { transition: none !important; }
}

@media print {
  body.study-framed-page .lab-v2 { break-inside: avoid; }
  body.study-framed-page .lab-v2-scenarios,
  body.study-framed-page .lab-v2-progress { display: none; }
}