/* Figma-structured application shell: global tools, contextual tree, canvas, inspector. */
* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
}

button,
input,
textarea,
select {
  font: inherit;
}

.hidden {
  display: none !important;
}

.app-frame {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-columns: var(--nav-width) minmax(0, 1fr);
  overflow: hidden;
  background: var(--rox-black);
}

.app-frame.nav-collapsed {
  grid-template-columns: var(--nav-rail-width) minmax(0, 1fr);
}

.global-nav {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: var(--global-tool-rail) minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
  background: var(--rox-nav);
}

.app-frame.nav-collapsed .global-nav {
  grid-template-columns: var(--global-tool-rail) 0;
}

.tool-rail {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr) 48px;
  overflow: hidden;
  background: #181817;
}

.rail-brand {
  display: flex;
  align-items: center;
  justify-content: center;
}

.rail-brand img {
  width: 38px;
  height: auto;
  display: block;
  opacity: 0.92;
}

.tool-mode-nav {
  min-height: 0;
  overflow-y: auto;
  padding: 4px;
}

.tool-mode,
.rail-collapse {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rox-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
}

.tool-mode {
  min-height: 50px;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 3px;
  padding: 4px 2px;
}

.tool-mode .ph {
  font-size: 18px;
}

.tool-mode span {
  max-width: 42px;
  overflow: hidden;
  font-size: 9px;
  font-weight: 520;
  line-height: 1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tool-mode:hover,
.tool-mode.active,
.rail-collapse:hover {
  color: var(--rox-ink);
  background: var(--rox-control);
  border-color: transparent;
}

.tool-mode.active .ph {
  color: var(--rox-blue);
}

.rail-collapse {
  align-self: center;
  width: 38px;
  min-height: 34px;
  margin: 0 auto;
  font-size: 17px;
}

.context-panel {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: 48px minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--rox-nav);
}

.app-frame.nav-collapsed .context-panel {
  visibility: hidden;
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 10px 0 12px;
  background: var(--rox-panel);
}

.brand-lockup > div {
  min-width: 0;
}

.brand-lockup strong,
.brand-lockup span {
  display: block;
}

.brand-lockup strong {
  overflow: hidden;
  color: var(--rox-ink);
  font-size: 12px;
  font-weight: 640;
  letter-spacing: -0.01em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.brand-lockup #context-panel-title {
  margin-top: 1px;
  color: var(--rox-muted);
  font-size: 9px;
}

.environment-label {
  flex: 0 0 auto;
  padding: 3px 5px;
  color: var(--rox-green);
  background: var(--rox-green-soft);
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 7px;
  font-weight: 700;
}

.primary-nav {
  grid-row: 2;
  min-height: 0;
  overflow-y: auto;
  padding: 9px 7px;
}

.context-panel > .page-rail {
  grid-row: 2;
  display: none;
  min-width: 0;
  min-height: 0;
}

.context-panel.pages-view > .primary-nav {
  display: none;
}

.context-panel.pages-view > .page-rail {
  display: block;
}

.nav-group {
  margin: 0;
}

.nav-group[hidden] {
  display: none;
}

.nav-group-label {
  margin: 0 7px 6px;
  color: var(--rox-faint);
  font-family: var(--font-ui);
  font-size: 9px;
  font-weight: 620;
  letter-spacing: 0.035em;
  text-transform: uppercase;
}

.nav-item {
  min-height: 32px;
  grid-template-columns: 17px minmax(0, 1fr) auto;
  gap: 7px;
  margin: 0 0 2px;
  padding: 0 7px;
  color: var(--rox-body);
  border-radius: 5px;
  font-size: var(--type-label);
}

.nav-item > .ph {
  color: var(--rox-muted);
  font-size: 15px;
}

.nav-item:hover,
.nav-item.active {
  color: var(--rox-ink);
  background: var(--rox-control);
  border-color: transparent;
}

.nav-item.active {
  font-weight: 620;
}

.nav-item.active > .ph,
.nav-item.active .nav-meta {
  color: var(--rox-blue);
}

.nav-meta {
  color: var(--rox-faint);
  font-family: var(--font-mono);
  font-size: 8px;
}

.nav-footer {
  padding: 7px;
}

.engine-status {
  margin: 0;
  padding: 7px;
  background: var(--rox-panel);
  border: 1px solid var(--rox-stroke);
  border-radius: 5px;
}

.engine-status span,
.engine-status strong {
  display: block;
}

.engine-status span {
  margin-bottom: 2px;
  color: var(--rox-muted);
  font-size: 8px;
}

.engine-status strong {
  overflow: hidden;
  color: var(--rox-green);
  font-family: var(--font-mono);
  font-size: 8px;
  font-weight: 640;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.studio-app {
  min-width: 0;
  min-height: 0;
  display: grid;
  height: 100%;
  margin: 0;
  grid-template-rows: 48px 30px minmax(0, 1fr);
  background: var(--rox-canvas);
  border-radius: 0;
}

.topbar {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(240px, 1fr) minmax(160px, auto);
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  background: var(--rox-panel);
}

.document-kicker {
  margin-bottom: 2px;
  font-size: 8px;
}

.document-title-row {
  gap: 7px;
}

.document-title-row strong {
  font-size: 14px;
  font-weight: 630;
  letter-spacing: -0.012em;
}

.saved-label {
  min-height: 18px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 8px;
}

.document-meta {
  max-width: 46vw;
  overflow: hidden;
  color: var(--rox-muted);
  font-size: 9px;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.review-control,
.workspace-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.button,
.utility-button {
  min-height: 30px;
  padding: 0 9px;
  border-radius: 5px;
  font-size: 10px;
}

.workspacebar {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(120px, 1fr);
  align-items: center;
  gap: 10px;
  padding: 0 8px 0 11px;
  background: var(--rox-nav);
}

.workspace-context {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--rox-body);
  font-size: 10px;
  font-weight: 560;
  white-space: nowrap;
}

.workspace-context .ph {
  color: var(--rox-muted);
  font-size: 14px;
}

.page-score {
  color: var(--rox-muted);
  font-family: var(--font-mono);
  font-size: 8px;
}

.studio-shell {
  --review-width: 0px;
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) var(--review-width);
  overflow: hidden;
  background: var(--rox-canvas);
}

.studio-shell.review-open {
  --review-width: var(--inspector-width);
}

.page-rail,
.inspector {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--rox-nav);
  border-radius: 0;
}

.drawer-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 46px;
  height: 46px;
  padding: 0 10px;
  background: var(--rox-panel);
}

.drawer-heading strong {
  margin-top: 1px;
  font-size: 12px;
  font-weight: 620;
}

.drawer-kicker {
  margin-bottom: 1px;
  font-size: 8px;
}

.page-list {
  height: calc(100% - 46px);
  padding: 7px;
}

.page-thumb {
  margin-bottom: 6px;
  padding: 4px;
  border-radius: 4px;
}

.page-thumb-meta {
  padding-top: 4px;
}

.workbench {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  position: relative;
  background: #0a0a0a;
}

.stage-shell {
  width: 100%;
  height: 100%;
  overflow: auto;
  padding: 0;
  background: #0a0a0a;
}

.page-stage {
  min-height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 18px 18px 68px;
  background: #0a0a0a;
}

.page-frame {
  position: relative;
  width: min(100%, 980px);
  overflow: hidden;
  background: #ffffff;
}

.page-frame > img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

#diff-canvas,
.structure-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.canvas-toolbar {
  position: absolute;
  bottom: 14px;
  left: 50%;
  z-index: 6;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  background: var(--rox-control);
  border: 1px solid var(--rox-stroke);
  border-radius: 10px;
  transform: translateX(-50%);
}

.canvas-toolbar button {
  min-width: 38px;
  min-height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  padding: 0 7px;
  color: var(--rox-muted);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  cursor: pointer;
  font-size: 9px;
}

.canvas-toolbar button .ph {
  font-size: 16px;
}

.canvas-toolbar button:hover,
.canvas-toolbar button.active {
  color: var(--rox-ink);
  background: var(--rox-panel);
  border-color: transparent;
}

.canvas-toolbar button.active {
  color: #ffffff;
  background: var(--rox-blue);
}

.inspector {
  display: flex;
  flex-direction: column;
}

.inspector-heading {
  flex: 0 0 46px;
  height: 46px;
}

.inspector-commandbar {
  display: none;
}

.inspector.qa-mode .inspector-commandbar {
  flex: 0 0 auto;
  display: grid;
  gap: 5px;
  padding: 8px;
  background: var(--rox-nav);
}

.inspector-run-qa {
  width: 100%;
}

.inspector-commandbar .review-control {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  gap: 5px;
}

.inspector-commandbar .button,
.inspector-commandbar .utility-button {
  width: 100%;
  min-height: 30px;
  padding: 0 8px;
}

.review-brief {
  flex: 0 0 auto;
  margin: 8px 8px 6px;
  padding: 9px;
  background: var(--rox-control);
  border-radius: 5px;
}

.review-brief-copy {
  margin-bottom: 7px;
  font-size: 10px;
  line-height: 1.35;
}

.review-brief-chip {
  min-height: 20px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 8px;
}

.quality-strip {
  flex: 0 0 auto;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 3px;
  padding: 0 8px 7px;
}

.quality-metric {
  padding: 6px;
  border-radius: 4px;
}

.metric-label,
.metric-state {
  font-size: 7px;
}

.metric-value {
  margin: 2px 0 1px;
  font-size: 11px;
}

.inspector:not(.qa-mode) .review-brief,
.inspector:not(.qa-mode) .quality-strip {
  display: none;
}

.inspector-primary-tabs,
.inspector-tabs,
.inspector-primary-tabs[hidden],
.inspector-tabs[hidden] {
  display: none;
}

.inspector-content {
  min-height: 0;
  height: auto;
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 7px 8px 10px;
}

.inspector-card,
.component-group,
.component-row,
.graphic-row,
.font-row,
.resolution-row,
.package-tree,
.text-row,
.tree-root,
.section-row {
  margin-bottom: 5px;
  border-radius: 5px;
}

.inspector-card,
.component-row,
.graphic-row,
.font-row {
  padding: 9px;
}

.component-group > summary {
  min-height: 44px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  gap: 1px;
  padding: 7px 9px;
}

.component-group > summary strong,
.component-group > summary span {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.component-group > summary strong {
  font-size: 11px;
}

.component-group > summary span {
  font-size: 8px;
}

.card-kicker,
.row-kicker {
  margin-bottom: 3px;
  font-size: 7px;
}

.card-title,
.row-title {
  margin-bottom: 3px;
  font-size: 12px;
  line-height: 1.3;
}

.card-body,
.row-meta,
.resolution-body p {
  font-size: 10px;
  line-height: 1.45;
}

.mini-button {
  min-height: 28px;
  padding: 0 8px;
  border-radius: 5px;
  font-size: 9px;
}

.text-row summary {
  min-height: 48px;
  gap: 7px;
  padding: 8px 9px;
}

.text-row-body {
  padding: 0 9px 9px;
}

.text-editor {
  min-height: 90px;
  padding: 9px;
  font-size: 11px;
}

.inspector-empty {
  padding: 10px 2px;
  font-size: 10px;
}

@media (max-width: 1120px) {
  .app-frame {
    grid-template-columns: var(--nav-rail-width) minmax(0, 1fr);
  }

  .global-nav {
    grid-template-columns: var(--global-tool-rail) 0;
  }

  .context-panel {
    visibility: hidden;
  }

  .app-frame.context-pages-open {
    grid-template-columns: var(--nav-width) minmax(0, 1fr);
  }

  .app-frame.context-pages-open .global-nav {
    grid-template-columns: var(--global-tool-rail) var(--context-panel-width);
  }

  .app-frame.context-pages-open .context-panel {
    visibility: visible;
  }

  .studio-shell.review-open {
    --review-width: min(310px, 38vw);
  }

  .document-meta {
    display: none;
  }
}

@media (max-width: 760px) {
  .studio-app {
    grid-template-rows: 46px 30px minmax(0, 1fr);
  }

  .topbar {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .document-kicker,
  .saved-label,
  .timer-button,
  .version-button,
  .page-score {
    display: none;
  }

  .studio-shell.review-open {
    --review-width: calc(100vw - var(--nav-rail-width));
  }

  .studio-shell.review-open .workbench,
  .studio-shell.review-open .context-panel {
    visibility: hidden;
  }

  .canvas-toolbar button span {
    display: none;
  }
}

/* Figma panel benchmark translated into the borderless ROX surface system. */
.brand-lockup,
.drawer-heading,
.inspector-heading {
  min-height: var(--panel-title-height);
  height: var(--panel-title-height);
}

.inspector-heading {
  flex-basis: var(--panel-title-height);
}

.primary-nav {
  padding: var(--panel-padding);
}

.context-search {
  min-height: var(--panel-row-height);
  display: grid;
  grid-template-columns: 16px minmax(0, 1fr);
  align-items: center;
  gap: 6px;
  margin: 0 0 8px;
  padding: 0 8px;
  color: var(--rox-muted);
  background: var(--rox-control);
  border-radius: 5px;
}

.context-search > .ph {
  font-size: 14px;
}

.context-search input {
  min-width: 0;
  width: 100%;
  padding: 0;
  color: var(--rox-ink);
  background: transparent;
  outline: 0;
  font-size: 10px;
}

.context-search input::placeholder {
  color: var(--rox-faint);
}

.nav-group-label {
  min-height: var(--panel-section-height);
  display: flex;
  align-items: center;
  margin: 0 7px 4px;
}

.nav-item,
.package-file,
.token-row {
  min-height: var(--panel-row-height);
}

.inspector-content {
  padding: 0 var(--panel-padding) var(--panel-padding);
}

.inspector-card {
  margin: 0;
  padding: 10px 4px 12px;
}

.component-group,
.section-row,
.resolution-row,
.text-row,
.package-tree {
  margin-bottom: 4px;
}

.component-group > summary {
  min-height: var(--panel-disclosure-height);
  display: grid;
  grid-template-columns: 13px minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
}

.component-group > summary strong,
.component-group > summary span {
  width: auto;
}

.component-group > summary strong {
  font-size: 11px;
}

.component-group > summary span {
  max-width: 128px;
  text-align: right;
}

.component-group-body {
  padding: 4px 0 0 13px;
}

.variable-group .component-group-body {
  padding-left: 0;
}

.section-row summary {
  min-height: var(--panel-disclosure-height);
  grid-template-columns: 13px 16px minmax(0, 1fr) auto;
  gap: 7px;
  padding: 0 9px;
}

.section-body {
  padding-left: 29px;
}

.resolution-row summary {
  min-height: 48px;
  grid-template-columns: 13px auto minmax(0, 1fr) auto;
  gap: 7px;
  padding: 7px 8px;
}

.resolution-body {
  padding: 0 10px 10px 70px;
}

.package-tree summary {
  min-height: var(--panel-row-height);
  display: grid;
  grid-template-columns: 13px minmax(0, 1fr) auto;
  gap: 6px;
  padding: 0 8px;
}

.package-children {
  padding-left: 12px;
}

.panel-disclosure {
  color: var(--rox-faint);
  font-size: 12px;
  transition: transform 120ms ease;
}

details[open] > summary > .panel-disclosure {
  transform: rotate(90deg);
}

.token-row {
  grid-template-columns: 24px minmax(0, 1fr) auto;
  gap: 8px;
  margin-bottom: 2px;
  padding: 4px 7px;
}

.token-swatch {
  width: 24px;
  height: 24px;
}

/*
 * Borderless chrome contract
 *
 * The studio uses surface tone, spacing, and type weight for hierarchy. A
 * control never draws another frame inside an already framed panel.
 */
.app-frame *,
.app-frame *::before,
.app-frame *::after {
  border: 0 !important;
}

.workspace-tabs button.active::after,
.inspector-primary-tabs button.active::after {
  display: none;
}

.workspace-tabs button {
  border-radius: 5px;
}

.workspace-tabs button:hover,
.workspace-tabs button.active {
  background: var(--rox-control);
}

.review-brief {
  margin: 0;
  padding: 10px 10px 8px;
  background: transparent;
  border-radius: 0;
}

.review-brief-copy {
  max-width: 34ch;
  margin-bottom: 7px;
}

.quality-strip {
  gap: 9px;
  margin: 0 8px 8px;
  padding: 8px 9px;
  background: var(--rox-panel);
  border-radius: 5px;
}

.quality-metric {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.inspector-content {
  padding: 0 8px 10px;
}

.inspector-card {
  padding: 8px 2px 10px;
  background: transparent;
  border-radius: 0;
}

.component-group {
  margin-bottom: 7px;
  overflow: visible;
  background: transparent;
  border-radius: 0;
}

.component-group > summary {
  min-height: 40px;
  padding: 6px 9px;
  background: var(--rox-panel);
  border-radius: 5px;
}

.component-group-body {
  padding: 4px 0 0;
}

.component-group-body .component-row {
  margin-bottom: 3px;
  background: var(--rox-control);
}

.component-row,
.graphic-row,
.font-row,
.text-row,
.resolution-row,
.package-tree,
.tree-root,
.section-row,
.token-row {
  background: var(--rox-panel);
}

.resolution-row[open] {
  background: var(--rox-panel);
}

.resolution-body,
.text-row-body {
  background: transparent;
}

.text-editor {
  background: var(--rox-field);
}

.button,
.utility-button,
.mini-button,
.drawer-close,
.icon-button {
  background: var(--rox-control);
}

.icon-button {
  background: transparent;
}

.canvas-toolbar {
  background: var(--rox-control);
}