:root {
  --bg: #000;
  --panel: #050505;
  --panel-2: #080808;
  --panel-3: #0c0c0c;
  --text: #f0f0f0;
  --muted: #aaa;
  --muted-2: #777;
  --line: #242424;
  --line-strong: #444;
  --white: #fff;
  --black: #000;
  --red: #ff4b3e;
  --amber: #f3b562;
  --cyan: #fff;
  --green: #7dffad;
  --max: 1720px;
}

* { box-sizing: border-box; }

html {
  min-height: 100%;
  background: var(--bg);
  touch-action: pan-x pan-y;
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100%;
  margin: 0;
  touch-action: pan-x pan-y;
  background: #000;
  color: var(--text);
  font-family: "TheSansMonoSCd", "SFMono-Regular", "SF Mono", Consolas, "Liberation Mono", Menlo, monospace;
  font-weight: 600;
  line-height: 1.5;
}

.lab-filter-definitions {
  position: fixed;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button {
  cursor: pointer;
  touch-action: manipulation;
}

a,
input,
select,
label {
  touch-action: manipulation;
}

.lab-top {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 24px;
  width: 100%;
  min-height: 64px;
  padding: 0 0 0 max(20px, calc((100vw - var(--max)) / 2));
  border-bottom: 1px solid var(--line);
  background: #000;
  box-shadow: none;
}

.lab-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.lab-brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
  filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.14));
  transition: filter 140ms ease, opacity 140ms ease;
}

.lab-brand:hover .lab-brand-mark {
  opacity: 0.92;
  filter: drop-shadow(0 0 14px rgba(255, 255, 255, 0.22));
}

.lab-brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.lab-brand strong,
.lab-brand em {
  display: block;
  font-style: normal;
}

.lab-brand strong {
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lab-brand em {
  color: var(--muted-2);
  font-size: 0.64rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lab-system-state {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-right: auto;
  padding-left: 22px;
  border-left: 1px solid var(--line);
  color: var(--muted-2);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.lab-status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--green);
  box-shadow: none;
}

.lab-nav {
  align-self: stretch;
  display: flex;
  align-items: center;
  gap: 0;
  padding: 0;
  border-left: 1px solid var(--line);
  background: transparent;
}

.lab-lang-switch {
  align-self: stretch;
  display: flex;
  margin-left: auto;
  border-left: 1px solid var(--line);
}

.lab-lang-switch button {
  min-width: 44px;
  padding: 0 10px;
  border: 0;
  border-right: 1px solid var(--line);
  background: #000;
  color: var(--muted-2);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
}

.lab-lang-switch button:hover,
.lab-lang-switch button.active {
  background: #141414;
  color: var(--text);
}

.lab-nav a {
  position: relative;
  min-width: 92px;
  min-height: 63px;
  display: grid;
  place-items: center;
  padding: 9px 14px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1;
  white-space: nowrap;
}

.lab-nav a::after {
  display: none;
}

.lab-nav a:hover {
  color: var(--text);
  background: #141414;
}

.lab-shell {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0 70px;
}

.lab-app-intro {
  display: grid;
  grid-template-columns: minmax(230px, auto) minmax(280px, 1fr) auto;
  gap: 26px;
  align-items: center;
  min-height: 76px;
  margin-bottom: 14px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  background: #000;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.2);
}

.lab-kicker {
  display: inline-flex;
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  line-height: 1.2;
  text-transform: uppercase;
}

.lab-app-title {
  min-width: 0;
}

.lab-app-title h1 {
  margin: 5px 0 0;
  font-size: clamp(1.05rem, 1.5vw, 1.35rem);
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.lab-app-intro p {
  margin: 0;
  padding-left: 26px;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.78rem;
}

.lab-archive-state {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 210px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.lab-archive-state strong,
.lab-archive-state small {
  display: block;
}

.lab-archive-state strong {
  font-size: 0.78rem;
}

.lab-archive-state small {
  margin-top: 2px;
  color: var(--muted-2);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.lab-case-rail,
.lab-stage,
.lab-inspector,
.lab-compare-mode {
  border: 1px solid var(--line);
  background: #000;
  box-shadow: 0 22px 58px rgba(0, 0, 0, 0.24);
}

.lab-workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  grid-template-areas:
    "rail stage"
    ". inspector";
  gap: 16px;
  align-items: start;
}

.lab-case-rail,
.lab-stage,
.lab-inspector,
.lab-viewer-card,
.lab-record,
.lab-compare-mode,
.lab-compare-card {
  min-width: 0;
}

.lab-case-rail,
.lab-stage {
  min-height: 720px;
}

.lab-case-rail {
  grid-area: rail;
  position: sticky;
  top: 94px;
  max-height: calc(100vh - 112px);
  overflow: auto;
}

.lab-stage {
  grid-area: stage;
}

.lab-inspector {
  grid-area: inspector;
  min-height: auto;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.lab-case-rail,
.lab-inspector,
.lab-stage {
  padding: 16px;
}

.lab-stage {
  display: grid;
  gap: 16px;
}

.lab-inspector {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  align-items: start;
  align-content: start;
  padding: 0;
}

.lab-panel-head,
.lab-viewer-top,
.lab-case-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.lab-panel-head {
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.lab-panel-head strong,
.lab-viewer-top strong {
  display: block;
  margin-top: 5px;
}

.lab-search {
  display: grid;
  gap: 7px;
  margin-top: 14px;
}

.lab-search span,
.lab-inline-field span {
  color: var(--muted-2);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.lab-search input,
.lab-search select,
.lab-inline-field input,
.lab-inline-field select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: #020202;
  color: var(--text);
  padding: 9px 10px;
  outline: none;
}

.lab-search input:focus,
.lab-search select:focus,
.lab-inline-field input:focus,
.lab-inline-field select:focus {
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.lab-case-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.lab-case-button {
  width: 100%;
  display: grid;
  gap: 7px;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  text-align: left;
}

.lab-case-button:hover,
.lab-case-button.active {
  border-color: rgba(255, 255, 255, 0.62);
  background: rgba(255, 255, 255, 0.07);
}

.lab-case-button strong {
  line-height: 1.25;
}

.lab-case-button span {
  color: var(--muted);
  font-size: 0.76rem;
}

.lab-case-head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.lab-case-head h2 {
  margin: 7px 0 0;
  font-size: clamp(1.55rem, 2.4vw, 2.8rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
}

.lab-case-head p {
  max-width: 940px;
  margin: 12px 0 0;
  color: var(--muted);
}

.lab-case-actions,
.lab-controls,
.lab-tool-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.lab-case-actions {
  justify-content: flex-end;
  flex: 0 0 auto;
}

.lab-btn {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  padding: 8px 11px;
  font-size: 0.78rem;
}

.lab-btn:hover,
.lab-btn.active {
  border-color: rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.08);
}

.lab-btn:disabled {
  cursor: wait;
  opacity: 0.58;
}

.lab-btn-primary {
  border-color: var(--cyan);
  background: var(--cyan);
  color: #000;
}

.lab-media-tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.lab-media-tab {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  padding: 8px 10px;
  white-space: nowrap;
}

.lab-media-tab.active {
  color: var(--text);
  border-color: rgba(243, 181, 98, 0.82);
  background: rgba(243, 181, 98, 0.09);
}

.lab-idle-strip {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  background: #000;
  color: var(--muted);
}

.lab-idle-strip span {
  color: var(--cyan);
  font-size: 0.68rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.lab-idle-strip strong {
  color: var(--text);
  font-size: 0.82rem;
  text-align: right;
}

.lab-viewer-card {
  border: 1px solid var(--line-strong);
  background: #000;
}

.lab-viewer-workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: stretch;
  border-bottom: 1px solid var(--line);
  background: #000;
}

.lab-viewer-workspace.has-detail {
  grid-template-columns: minmax(0, 1fr) minmax(260px, 34%);
}

.lab-viewer-top {
  padding: 14px;
  border-bottom: 1px solid var(--line);
}

.lab-badge {
  flex: 0 0 auto;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  padding: 5px 8px;
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lab-viewer {
  --viewer-scale: 1;
  --viewer-inverse-scale: 1;
  --viewer-origin-x: 50%;
  --viewer-origin-y: 50%;
  --viewer-pan-x: 0px;
  --viewer-pan-y: 0px;
  position: relative;
  min-height: 360px;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  touch-action: pan-y;
  background: #000;
}

.lab-viewer video,
.lab-viewer img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #000;
  transform: translate(var(--viewer-pan-x), var(--viewer-pan-y)) scale(var(--viewer-scale));
  transform-origin: var(--viewer-origin-x) var(--viewer-origin-y);
  transition: transform 180ms ease;
}

.lab-viewer.is-pinching video,
.lab-viewer.is-pinching img,
.lab-viewer.is-pinching .lab-track-layer,
.lab-viewer.is-pinching .lab-measure-layer,
.lab-viewer.is-panning video,
.lab-viewer.is-panning img,
.lab-viewer.is-panning .lab-track-layer,
.lab-viewer.is-panning .lab-measure-layer,
.lab-viewer.is-wheel-zooming video,
.lab-viewer.is-wheel-zooming img,
.lab-viewer.is-wheel-zooming .lab-track-layer,
.lab-viewer.is-wheel-zooming .lab-measure-layer {
  transition: none;
}

.lab-viewer[data-zoomed="true"] {
  cursor: grab;
  touch-action: none;
}

.lab-viewer.is-marking {
  touch-action: none;
}

.lab-viewer.is-panning {
  cursor: grabbing;
}

.lab-viewer.is-idle {
  min-height: clamp(420px, 48vh, 560px);
  aspect-ratio: auto;
  touch-action: pan-y;
}

.lab-empty-viewer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.lab-empty-viewer.is-idle {
  padding: clamp(18px, 4vw, 44px);
}

.lab-idle-viewer-content {
  position: relative;
  width: min(100%, 620px);
  display: grid;
  justify-items: center;
  gap: 18px;
  padding: clamp(20px, 4vw, 34px);
  border: 1px solid var(--line);
  background: #000;
}

.lab-idle-viewer-content strong {
  display: block;
  color: var(--text);
  font-size: clamp(1.1rem, 2vw, 1.75rem);
  line-height: 1.12;
}

.lab-idle-viewer-content p {
  max-width: 480px;
  margin: 10px auto 0;
  color: var(--muted);
  line-height: 1.55;
}

.lab-idle-radar {
  width: clamp(92px, 14vw, 140px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255, 255, 255, 0.16) 0 6%, transparent 7% 100%),
    repeating-radial-gradient(circle, transparent 0 23%, rgba(255, 255, 255, 0.24) 24% 25%, transparent 26% 42%),
    conic-gradient(from 18deg, rgba(255, 255, 255, 0.7), transparent 24%, transparent);
  box-shadow: 0 0 42px rgba(255, 255, 255, 0.1);
}

.lab-track-layer {
  position: absolute;
  inset: 0;
  transform: translate(var(--viewer-pan-x), var(--viewer-pan-y)) scale(var(--viewer-scale));
  transform-origin: var(--viewer-origin-x) var(--viewer-origin-y);
  transition: transform 180ms ease;
  pointer-events: none;
}

.lab-measure-layer {
  position: absolute;
  inset: 0;
  transform: translate(var(--viewer-pan-x), var(--viewer-pan-y)) scale(var(--viewer-scale));
  transform-origin: var(--viewer-origin-x) var(--viewer-origin-y);
  transition: transform 180ms ease;
  pointer-events: none;
}

.lab-measure-layer svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.lab-measure-layer line {
  stroke: rgba(255, 255, 255, 0.92);
  stroke-width: 1.5;
  stroke-dasharray: 4 3;
  vector-effect: non-scaling-stroke;
}

.lab-measure-dot,
.lab-detail-target {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.36);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.66);
  transform: translate(-50%, -50%) scale(var(--viewer-inverse-scale));
}

.lab-measure-dot span {
  position: absolute;
  left: 14px;
  top: -20px;
  color: var(--white);
  font-size: 0.65rem;
  text-shadow: 0 2px 6px #000;
}

.lab-measure-value {
  position: absolute;
  z-index: 2;
  padding: 3px 6px;
  border: 1px solid rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.86);
  color: var(--white);
  font-size: 0.68rem;
  font-style: normal;
  line-height: 1;
  white-space: nowrap;
  transform: translate(-50%, -50%) scale(var(--viewer-inverse-scale));
  transform-origin: center;
}

.lab-detail-target {
  width: 26px;
  height: 26px;
  border-color: var(--cyan);
  background: transparent;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.25), 0 0 18px rgba(255, 255, 255, 0.26);
}

.lab-detail-target::before,
.lab-detail-target::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.lab-detail-target::before {
  left: 50%;
  top: -5px;
  width: 1px;
  height: 32px;
}

.lab-detail-target::after {
  left: -5px;
  top: 50%;
  width: 32px;
  height: 1px;
}

.lab-viewer.is-marking .lab-track-layer {
  cursor: crosshair;
  pointer-events: auto;
}

.lab-viewer.is-measuring {
  cursor: crosshair;
  touch-action: none;
}

.lab-track-layer svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.lab-track-dot {
  position: absolute;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 75, 62, 0.95);
  border-radius: 50%;
  background: transparent;
  box-shadow: 0 0 0 1px rgba(255, 75, 62, 0.16), 0 0 18px rgba(255, 75, 62, 0.26);
  cursor: grab;
  opacity: 1;
  pointer-events: auto;
  touch-action: none;
  transform: translate(-50%, -50%) scale(var(--viewer-inverse-scale));
}

.lab-track-dot.is-dragging {
  cursor: grabbing;
  border-color: #ff6a5e;
  box-shadow: 0 0 0 2px rgba(255, 75, 62, 0.2), 0 0 24px rgba(255, 75, 62, 0.42);
}

.lab-track-dot span {
  position: absolute;
  left: 12px;
  top: -24px;
  min-width: 44px;
  color: var(--white);
  font-size: 0.64rem;
  text-shadow: 0 2px 7px #000;
}

.lab-controls,
.lab-tool-row,
.lab-timeline-control {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.lab-tool-row {
  border-bottom: 0;
}

.lab-measure-readout {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 42px;
  padding: 8px 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.72rem;
}

.lab-measure-readout strong {
  color: var(--white);
  font-size: 0.92rem;
}

.lab-measure-readout button {
  margin-left: auto;
  border: 0;
  background: transparent;
  color: var(--muted);
  padding: 5px;
  font-size: 0.68rem;
  text-decoration: underline;
}

.lab-detail-panel {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto auto;
  align-content: start;
  border-left: 1px solid var(--line);
  background: #050505;
}

.lab-detail-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px;
  border-bottom: 1px solid var(--line);
}

.lab-detail-head small,
.lab-detail-head strong {
  display: block;
}

.lab-detail-head small {
  color: var(--muted-2);
  font-size: 0.6rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lab-detail-head strong {
  margin-top: 3px;
  font-size: 0.82rem;
}

.lab-detail-head output {
  color: var(--cyan);
  font-size: 0.8rem;
}

.lab-detail-panel canvas {
  display: block;
  width: 100%;
  align-self: center;
  aspect-ratio: 16 / 9;
  background:
    linear-gradient(45deg, #080808 25%, transparent 25%),
    linear-gradient(-45deg, #080808 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #080808 75%),
    linear-gradient(-45deg, transparent 75%, #080808 75%),
    #000;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0;
  background-size: 12px 12px;
  image-rendering: pixelated;
}

.lab-detail-zoom {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.68rem;
}

.lab-detail-zoom input {
  width: 100%;
  accent-color: var(--cyan);
}

.lab-detail-panel p {
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted-2);
  font-size: 0.66rem;
  line-height: 1.4;
}

.lab-adjustments {
  border-top: 1px solid var(--line);
  background: #000;
}

.lab-adjustments > summary {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 14px;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  user-select: none;
}

.lab-adjustments > summary::-webkit-details-marker {
  display: none;
}

.lab-adjustments > summary::after {
  content: "+";
  color: var(--cyan);
  font-size: 1rem;
  line-height: 1;
}

.lab-adjustments[open] > summary::after {
  content: "−";
}

.lab-adjustments > summary small {
  margin-left: auto;
  color: var(--muted-2);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
}

.lab-adjustments.is-disabled > summary {
  cursor: default;
  opacity: 0.45;
}

.lab-adjustments-panel {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--line);
  background: #050505;
}

.lab-adjustments-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  color: var(--muted);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lab-adjustment-reset,
.lab-adjustment-targets button {
  min-height: 30px;
  border: 1px solid var(--line-strong);
  border-radius: 0;
  background: #000;
  color: var(--muted);
  padding: 5px 9px;
  font-size: 0.66rem;
}

.lab-adjustment-reset {
  margin-left: auto;
}

.lab-adjustment-reset:hover,
.lab-adjustment-targets button:hover,
.lab-adjustment-targets button.active {
  border-color: rgba(255, 255, 255, 0.55);
  background: #121212;
  color: var(--text);
}

.lab-adjustment-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 10px;
}

.lab-adjustment-effects {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-bottom: 10px;
}

.lab-adjustment-effects button {
  min-height: 32px;
  border: 1px solid var(--line-strong);
  border-right: 0;
  background: #000;
  color: var(--muted);
  padding: 5px 9px;
  font-size: 0.65rem;
}

.lab-adjustment-effects button:last-child {
  border-right: 1px solid var(--line-strong);
}

.lab-adjustment-effects button:hover,
.lab-adjustment-effects button.active {
  background: #151515;
  color: var(--white);
}

.lab-adjustment-control {
  min-width: 0;
  display: grid;
  gap: 8px;
  padding: 10px;
  border: 1px solid var(--line);
  background: #000;
}

.lab-adjustment-control > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.lab-adjustment-control b {
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lab-adjustment-control output {
  color: var(--cyan);
  font-size: 0.68rem;
  white-space: nowrap;
}

.lab-adjustment-control input[type="range"] {
  width: 100%;
  margin: 0;
  accent-color: var(--cyan);
}

.lab-adjustment-targets {
  display: inline-flex;
}

.lab-adjustment-targets button + button {
  border-left: 0;
}

.lab-adjustment-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.lab-adjustment-link input {
  accent-color: var(--cyan);
}

.lab-inline-field {
  display: grid;
  grid-template-columns: auto minmax(72px, 96px);
  align-items: center;
  gap: 7px;
}

.lab-timeline-control {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) 88px;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.76rem;
}

.lab-timeline-control input {
  width: 100%;
  accent-color: var(--cyan);
}

body.lab-compare-open {
  overflow: hidden;
}

.lab-compare-mode {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 10px;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  padding:
    max(12px, env(safe-area-inset-top))
    max(12px, env(safe-area-inset-right))
    max(12px, env(safe-area-inset-bottom))
    max(12px, env(safe-area-inset-left));
  overflow: hidden;
  overscroll-behavior: none;
  border: 0;
  background: #000;
  box-shadow: none;
}

.lab-compare-mode-head {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-width: 0;
  padding: 2px 0 10px;
  border-bottom: 1px solid var(--line);
}

.lab-compare-head-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.lab-adjustments-popover {
  position: relative;
  border: 0;
  background: transparent;
}

.lab-adjustments-popover > summary {
  min-height: 38px;
  padding: 7px 11px;
  border: 1px solid var(--line-strong);
  background: rgba(255, 255, 255, 0.035);
  font-size: 0.68rem;
  letter-spacing: 0;
  text-transform: none;
}

.lab-adjustments-popover > summary::after {
  margin-left: 10px;
}

.lab-adjustments-popover .lab-adjustments-panel {
  position: absolute;
  top: calc(100% + 7px);
  right: 0;
  z-index: 20;
  width: min(860px, calc(100vw - 24px));
  border: 1px solid var(--line-strong);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.78);
}

.lab-compare-mode-head h3 {
  margin: 5px 0 3px;
  font-size: clamp(1rem, 1.5vw, 1.35rem);
  line-height: 1.08;
}

.lab-compare-mode-head p {
  max-width: 900px;
  margin: 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.lab-compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-rows: minmax(0, 1fr);
  gap: 8px;
  min-width: 0;
  min-height: 0;
  height: 100%;
}

.lab-compare-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-width: 0;
  min-height: 0;
  border: 1px solid var(--line-strong);
  background: #020202;
  overflow: hidden;
}

.lab-compare-card .lab-viewer-top {
  min-height: 58px;
  padding: 9px 12px;
}

.lab-compare-card .lab-viewer-top > div {
  min-width: 0;
}

.lab-compare-card .lab-viewer-top strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lab-compare-viewer {
  --viewer-scale: 1;
  --viewer-origin-x: 50%;
  --viewer-origin-y: 50%;
  --viewer-pan-x: 0px;
  --viewer-pan-y: 0px;
  position: relative;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
  border: 1px solid var(--line);
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  background: #000;
  overflow: hidden;
  touch-action: none;
}

.lab-compare-viewer video {
  display: block;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #000;
  transform: translate(var(--viewer-pan-x), var(--viewer-pan-y)) scale(var(--viewer-scale));
  transform-origin: var(--viewer-origin-x) var(--viewer-origin-y);
  transition: transform 180ms ease;
}

.lab-compare-viewer.is-pinching video,
.lab-compare-viewer.is-panning video,
.lab-compare-viewer.is-wheel-zooming video {
  transition: none;
}

.lab-compare-viewer[data-zoomed="true"] {
  cursor: grab;
}

.lab-compare-viewer.is-panning {
  cursor: grabbing;
}

#labCompareEmpty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

#labComparePrimaryEmpty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  text-align: center;
  padding: 18px;
}

.lab-compare-controls {
  display: grid;
  grid-template-columns: auto auto auto auto 88px minmax(0, 1fr) 88px;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 9px;
  border: 1px solid var(--line);
  background: rgba(10, 10, 10, 0.96);
}

.lab-compare-controls input[type="range"] {
  width: 100%;
  accent-color: var(--cyan);
}

.lab-compare-controls span {
  color: var(--muted);
  font-size: 0.76rem;
}

.lab-metadata-card {
  grid-column: 1;
}

.lab-files-card {
  grid-column: 1;
}

.lab-record {
  min-width: 0;
  border-top: 1px solid var(--line-strong);
  background: #000;
}

.lab-record-head {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 2px;
  border-bottom: 1px solid var(--line);
}

.lab-record-head .lab-kicker {
  margin: 0;
}

.lab-record-head small {
  color: var(--muted-2);
  font-size: 0.61rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lab-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  padding: 14px 2px 16px;
}

.lab-meta-row {
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.lab-meta-row span {
  color: var(--muted-2);
  font-size: 0.72rem;
}

.lab-meta-row strong {
  min-width: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  line-height: 1.25;
  font-size: 0.76rem;
}

.lab-files {
  display: grid;
}

.lab-file-link {
  min-width: 0;
  min-height: 54px;
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr) auto;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #000;
  transition: background 120ms ease;
}

.lab-file-link span {
  padding: 0 14px;
  color: var(--muted-2);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lab-file-link strong {
  min-width: 0;
  padding: 0 14px;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: 0.84rem;
  line-height: 1.25;
}

.lab-file-link b {
  padding: 0 14px;
  color: var(--muted-2);
  font-size: 0.59rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lab-file-link:hover {
  background: #0a0a0a;
}

.lab-file-link:hover strong,
.lab-file-link:hover b {
  color: var(--white);
}

.lab-file-empty {
  padding: 18px 2px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.76rem;
}

.lab-error {
  padding: 14px;
  border: 1px solid rgba(255, 75, 62, 0.65);
  background: rgba(255, 75, 62, 0.08);
  color: #ffd0cc;
}

[hidden] { display: none !important; }

@media (max-width: 1220px) {
  .lab-workspace {
    grid-template-columns: 260px minmax(0, 1fr);
    grid-template-areas:
      "rail stage"
      ". inspector";
  }

  .lab-inspector {
    grid-area: inspector;
    min-height: auto;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  body {
    overflow-x: hidden;
  }

  .lab-top {
    position: sticky;
    align-items: center;
    flex-wrap: wrap;
    width: 100%;
    min-height: auto;
    padding: 12px 16px;
    text-align: left;
  }

  .lab-shell {
    width: 100%;
    padding: 14px 16px 56px;
  }

  .lab-workspace,
  .lab-compare-grid {
    grid-template-columns: 1fr;
  }

  .lab-workspace {
    grid-template-areas:
      "rail"
      "stage"
      "inspector";
  }

  .lab-compare-mode {
    gap: 8px;
    padding:
      max(8px, env(safe-area-inset-top))
      max(8px, env(safe-area-inset-right))
      max(8px, env(safe-area-inset-bottom))
      max(8px, env(safe-area-inset-left));
  }

  .lab-compare-grid {
    grid-template-rows: repeat(2, minmax(0, 1fr));
  }

  .lab-compare-mode-head p {
    max-width: 600px;
  }

  .lab-compare-controls {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 7px;
    padding: 7px;
  }

  .lab-compare-controls .lab-btn {
    min-width: 0;
    justify-content: center;
  }

  #labCompareCurrentTime {
    grid-column: 1;
    text-align: left;
  }

  #labCompareTimeRange {
    grid-column: 2 / 4;
  }

  #labCompareDuration {
    grid-column: 4;
    text-align: right;
  }

  .lab-system-state {
    margin-right: 0;
    margin-left: auto;
  }

  .lab-lang-switch {
    order: 2;
    min-height: 40px;
    margin-left: 0;
    border-top: 1px solid var(--line);
  }

  .lab-nav {
    order: 3;
    width: calc(100% + 32px);
    max-width: none;
    margin: 0 -16px;
    border-top: 1px solid var(--line);
    border-left: 0;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .lab-nav a {
    min-width: 0;
    min-height: 40px;
    flex: 1 0 auto;
  }

  .lab-app-intro {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 12px 18px;
  }

  .lab-app-intro p {
    grid-column: 1 / -1;
    grid-row: 2;
    padding-top: 10px;
    padding-left: 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .lab-workspace {
    gap: 12px;
  }

  .lab-case-rail {
    position: static;
    min-height: auto;
    max-height: none;
    overflow: hidden;
  }

  .lab-case-list {
    display: flex;
    gap: 10px;
    margin-right: -16px;
    padding-right: 16px;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
  }

  .lab-case-button {
    flex: 0 0 min(360px, 78vw);
    scroll-snap-align: start;
  }

  .lab-inspector {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .lab-metadata-card,
  .lab-files-card {
    grid-column: 1 / -1;
    grid-row: auto;
  }

  .lab-metadata {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lab-files {
    grid-template-columns: 1fr;
  }

  .lab-stage,
  .lab-inspector {
    min-height: auto;
  }

  .lab-viewer {
    min-height: 0;
  }

  .lab-viewer-workspace.has-detail {
    grid-template-columns: 1fr;
  }

  .lab-detail-panel {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .lab-adjustment-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .lab-top {
    gap: 9px 12px;
    padding: 9px 10px 0;
  }

  .lab-brand {
    width: auto;
  }

  .lab-brand-mark {
    width: 34px;
    height: 34px;
  }

  .lab-brand strong {
    font-size: 0.78rem;
  }

  .lab-brand em {
    font-size: 0.62rem;
  }

  .lab-system-state {
    padding-left: 12px;
    font-size: 0;
  }

  .lab-lang-switch {
    min-height: 38px;
  }

  .lab-lang-switch button {
    min-width: 40px;
    padding: 0 8px;
  }

  .lab-system-state::after {
    content: "Online";
    font-size: 0.62rem;
    letter-spacing: 0.12em;
  }

  .lab-shell {
    padding: 10px 10px 42px;
  }

  .lab-nav {
    justify-content: flex-start;
    margin: 0 -10px;
    width: calc(100% + 20px);
  }

  .lab-nav a {
    min-height: 38px;
    padding: 8px 9px;
    font-size: 0.68rem;
  }

  .lab-app-intro {
    grid-template-columns: 1fr;
    gap: 10px;
    min-height: auto;
    padding: 11px 12px;
  }

  .lab-app-title h1 {
    font-size: 1rem;
  }

  .lab-app-intro p {
    grid-column: auto;
    grid-row: auto;
    padding-top: 9px;
    font-size: 0.7rem;
  }

  .lab-archive-state {
    min-width: 0;
    padding: 8px 10px;
  }

  .lab-case-rail,
  .lab-stage,
  .lab-inspector,
  .lab-compare-mode {
    padding: 12px;
  }

  .lab-inspector {
    padding: 0;
  }

  .lab-case-head,
  .lab-compare-mode-head {
    display: grid;
  }

  .lab-case-head {
    gap: 14px;
  }

  .lab-case-head h2 {
    font-size: clamp(1.45rem, 7vw, 2.15rem);
  }

  .lab-case-head p {
    font-size: 0.84rem;
  }

  .lab-case-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .lab-case-actions .lab-btn,
  .lab-case-actions a {
    width: 100%;
  }

  .lab-media-tabs {
    margin-right: -12px;
    padding-right: 12px;
  }

  .lab-idle-strip {
    display: grid;
    justify-items: start;
  }

  .lab-idle-strip strong {
    text-align: left;
  }

  .lab-viewer-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 10px;
    padding: 11px;
  }

  .lab-viewer {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .lab-viewer.is-idle {
    min-height: clamp(390px, 64vh, 520px);
    aspect-ratio: auto;
  }

  .lab-empty-viewer.is-idle {
    align-items: center;
    padding: 14px;
  }

  .lab-idle-viewer-content {
    gap: 12px;
    padding: 16px 14px;
  }

  .lab-idle-viewer-content strong {
    font-size: clamp(1rem, 5.6vw, 1.22rem);
  }

  .lab-idle-viewer-content p {
    margin-top: 8px;
    font-size: 0.78rem;
    line-height: 1.45;
  }

  .lab-idle-radar {
    width: clamp(70px, 24vw, 92px);
  }

  .lab-controls {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 7px;
    padding: 10px;
  }

  .lab-controls > .lab-btn {
    grid-column: span 2;
    min-width: 0;
    padding-right: 5px;
    padding-left: 5px;
    font-size: 0.69rem;
  }

  .lab-inline-field {
    grid-column: span 3;
    grid-template-columns: auto minmax(0, 1fr);
    min-width: 0;
  }

  .lab-inline-field input,
  .lab-inline-field select {
    min-width: 0;
  }

  .lab-timeline-control {
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    padding: 10px;
  }

  .lab-timeline-control input {
    grid-column: 1 / -1;
    grid-row: 1;
  }

  #labCurrentTime {
    grid-column: 1;
    grid-row: 2;
  }

  #labDuration {
    grid-column: 2;
    grid-row: 2;
    text-align: right;
  }

  .lab-tool-row {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 7px;
    padding: 10px;
  }

  .lab-tool-row > .lab-btn {
    min-width: 0;
    padding-right: 5px;
    padding-left: 5px;
    font-size: 0.69rem;
  }

  .lab-tool-row > [data-zoom] {
    grid-column: span 2;
  }

  #labMarkButton,
  #labClearMarksButton,
  #labDetailButton,
  #labMeasureButton {
    grid-column: span 3;
  }

  #labCompareModeButton {
    grid-column: 1 / -1;
  }

  .lab-adjustments > summary {
    min-height: 40px;
    padding: 8px 10px;
    font-size: 0.68rem;
  }

  .lab-adjustments > summary small {
    font-size: 0.56rem;
  }

  .lab-adjustments-panel {
    padding: 10px;
  }

  .lab-adjustments-head {
    flex-wrap: wrap;
    gap: 7px;
    margin-bottom: 9px;
  }

  .lab-adjustment-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 7px;
  }

  .lab-adjustment-control {
    gap: 6px;
    padding: 8px;
  }

  .lab-adjustment-effects {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
  }

  .lab-adjustment-effects button,
  .lab-adjustment-effects button:last-child {
    width: 100%;
    border: 1px solid var(--line-strong);
  }

  .lab-compare-mode-head {
    grid-template-columns: 1fr;
    align-items: center;
    gap: 8px;
    padding-bottom: 6px;
  }

  .lab-compare-mode-head .lab-btn {
    width: auto;
    min-height: 34px;
    padding: 6px 8px;
    font-size: 0.66rem;
  }

  .lab-compare-mode-head h3 {
    margin: 3px 0 0;
    font-size: 0.9rem;
  }

  .lab-compare-mode-head p {
    display: none;
  }

  .lab-compare-head-actions {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    width: 100%;
  }

  .lab-adjustments-popover {
    position: static;
  }

  .lab-adjustments-popover > summary {
    width: 100%;
    min-height: 34px;
    justify-content: center;
    padding: 6px 8px;
  }

  .lab-adjustments-popover .lab-adjustments-panel {
    top: calc(100% + 4px);
    right: 0;
    left: 0;
    width: auto;
    max-height: min(62dvh, 520px);
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .lab-compare-mode {
    gap: 6px;
    padding:
      max(6px, env(safe-area-inset-top))
      max(6px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom))
      max(6px, env(safe-area-inset-left));
  }

  .lab-compare-card .lab-viewer-top {
    min-height: auto;
    padding: 5px 8px;
  }

  .lab-compare-card .lab-viewer-top strong {
    margin-top: 2px;
    font-size: 0.72rem;
  }

  .lab-compare-card .lab-kicker,
  .lab-compare-card .lab-badge {
    font-size: 0.58rem;
  }

  .lab-compare-controls {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 6px;
    padding: 6px;
  }

  .lab-compare-controls .lab-btn {
    width: 100%;
    min-width: 0;
    padding-right: 6px;
    padding-left: 6px;
    font-size: 0.7rem;
  }

  #labComparePlayButton {
    grid-column: 1;
    grid-row: 1;
  }

  #labSyncCompareButton {
    grid-column: 2;
    grid-row: 1;
  }

  #labCompareNextButton {
    grid-column: 2;
    grid-row: 2;
  }

  #labCompareNextPrimaryButton {
    grid-column: 1;
    grid-row: 2;
  }

  #labCompareCurrentTime {
    grid-column: 1;
    grid-row: 3;
    text-align: left;
  }

  #labCompareDuration {
    grid-column: 2;
    grid-row: 3;
    text-align: right;
  }

  #labCompareTimeRange {
    grid-column: 1 / -1;
    grid-row: 4;
  }

  .lab-case-button {
    flex-basis: min(320px, 82vw);
  }

}

@media (max-width: 420px) {
  .lab-metadata,
  .lab-files {
    grid-template-columns: 1fr;
  }

  .lab-metadata {
    display: grid;
    gap: 7px;
  }

  .lab-file-link {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    padding: 8px 0;
  }

  .lab-file-link span {
    grid-column: 1;
    grid-row: 1;
    padding: 0 10px;
  }

  .lab-file-link strong {
    grid-column: 1;
    grid-row: 2;
    padding: 2px 10px 0;
    font-size: 0.78rem;
  }

  .lab-file-link b {
    grid-column: 2;
    grid-row: 1 / 3;
    padding: 0 10px;
  }

  .lab-adjustment-grid {
    grid-template-columns: 1fr;
  }

  .lab-adjustment-link {
    order: 3;
    width: 100%;
  }
}

@media (max-width: 900px) and (orientation: landscape) {
  .lab-compare-mode {
    gap: 6px;
    padding:
      max(6px, env(safe-area-inset-top))
      max(6px, env(safe-area-inset-right))
      max(6px, env(safe-area-inset-bottom))
      max(6px, env(safe-area-inset-left));
  }

  .lab-compare-mode-head {
    display: flex;
    padding-bottom: 5px;
  }

  .lab-compare-mode-head p {
    display: none;
  }

  .lab-compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr);
    gap: 6px;
  }

  .lab-compare-card .lab-viewer-top {
    min-height: 42px;
    padding: 4px 8px;
  }

  .lab-compare-controls {
    grid-template-columns: auto auto auto auto 72px minmax(120px, 1fr) 72px;
    gap: 6px;
    padding: 5px;
  }

  #labComparePlayButton,
  #labSyncCompareButton,
  #labCompareNextPrimaryButton,
  #labCompareNextButton,
  #labCompareCurrentTime,
  #labCompareTimeRange,
  #labCompareDuration {
    grid-column: auto;
    grid-row: auto;
  }
}