:root {
  --g: var(--text-strong);
  --bg: rgb(5, 5, 6);
  --panel: rgba(10, 10, 12, 0.92);
  --border: var(--frame);
  --lab-workspace-nav-muted: var(--text-muted);
  --lab-workspace-nav-active: var(--text-strong);
  --lab-shell-max-width: 1080px;
  --lab-shell-card-padding-x: 14px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  overflow-x: hidden;
  overflow-y: auto;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 50% 35%, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.75) 100%);
  opacity: 0.95;
  z-index: 0;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: var(--lab-shell-max-width);
  margin: 22px auto;
  padding: 0 16px 48px;
  gap: 16px;
  align-items: start;
}

.studioBar,
.card {
  background: var(--panel);
  border: 1px solid var(--frame);
  border-radius: 16px;
  box-shadow: 0 18px 80px rgba(0, 0, 0, 0.45);
}

.studioBar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 10px 12px;
}

.studioBarGroup {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.studioWorkspaceGroup {
  min-width: 0;
  justify-content: flex-start;
  flex: 1 1 auto;
}

.studioBarLabel {
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 800;
}

.toolBtn {
  color: var(--text);
  background: rgba(var(--frame-rgb), 0.12);
  border: 1px solid var(--frame);
  border-radius: 10px;
  padding: 6px 8px;
  font: inherit;
  font-size: 11px;
  font-weight: 900;
  cursor: pointer;
  white-space: nowrap;
}

.toolBtn:hover {
  border-color: var(--frame-strong);
  color: var(--text-strong);
}

.toolBtn.secondary {
  opacity: 0.9;
}

.toolBtn[disabled] {
  opacity: 0.38;
  cursor: not-allowed;
}

.card {
  padding: 14px var(--lab-shell-card-padding-x) 16px;
  overflow: hidden;
}

.authoringTabs {
  display: grid;
  grid-template-columns: repeat(var(--lab-authoring-tab-count, 2), minmax(0, 1fr));
  gap: 8px;
  border-radius: 12px;
  border: 1px solid var(--frame);
  background: rgba(0, 0, 0, 0.18);
  padding: 6px;
}

.authoringTab {
  cursor: pointer;
  border-radius: 9px;
  border: 1px solid rgba(var(--frame-rgb), 0.36);
  background: transparent;
  color: var(--text-muted);
  font: inherit;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 9px 10px;
}

.authoringTab.active,
.authoringTab[aria-selected="true"] {
  background: rgba(var(--frame-rgb), 0.14);
  color: var(--text-strong);
}

.authoringPanel {
  display: grid;
  gap: 12px;
}

.authoringPanel[hidden] {
  display: none;
}

.controlGroup {
  border: 1px solid rgba(var(--frame-rgb), 0.18);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.controlGroup + .controlGroup {
  margin-top: var(--lab-control-group-gap, 0);
}

.controlGroupHeader {
  width: 100%;
  color: var(--text-strong);
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 12px;
  font: inherit;
  font-size: 12px;
  font-weight: 1000;
  letter-spacing: 0.08em;
  text-align: left;
  text-transform: uppercase;
  cursor: pointer;
}

.controlGroupHeader::after {
  content: "-";
  float: right;
  color: var(--text-muted);
}

.controlGroupHeader[aria-expanded="false"]::after {
  content: "+";
}

.controlGroupHeader:hover {
  color: var(--text-strong);
  background: rgba(var(--frame-rgb), 0.08);
}

.controlGroupBody {
  border-top: 1px solid rgba(var(--frame-rgb), 0.14);
  padding: 11px 12px 12px;
}

.controlGroupBody[hidden] {
  display: none;
}

.controlGroupBody p {
  margin: 10px 0 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.45;
  font-weight: 800;
}

.paramFieldRows,
.rangeFieldRows {
  display: grid;
  gap: 8px;
}

.paramFieldRow,
.rangeFieldRow {
  display: grid;
  grid-template-columns: minmax(var(--lab-field-label-min, 150px), 1fr) minmax(82px, 110px);
  gap: 8px;
  align-items: center;
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.25;
}

.rangeFieldRow {
  grid-template-columns: minmax(var(--lab-field-label-min, 150px), 1fr) minmax(64px, 88px) minmax(64px, 88px);
}

.paramFieldInput {
  min-width: 0;
  width: 100%;
  color: var(--text);
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--frame);
  border-radius: 8px;
  padding: 6px 7px;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
}

.paramFieldInput.isInvalid {
  border-color: rgba(255, 96, 96, 0.72);
  color: rgb(255, 190, 190);
}

@media (max-width: 960px) {
  .studioBar {
    align-items: stretch;
  }

  .studioBarGroup {
    width: 100%;
  }
}

@media (max-width: 640px) {
  .wrap {
    margin-top: 12px;
    padding-inline: 10px;
  }
}