:root {
  color-scheme: dark;
  --bg: #202020;
  --bg-2: #2a2a2a;
  --panel: rgba(50, 50, 50, 0.98);
  --panel-strong: rgba(60, 60, 60, 0.99);
  --line: rgba(220, 220, 220, 0.13);
  --line-strong: rgba(220, 220, 220, 0.24);
  --text: #e6e6e6;
  --text-soft: #c2c2c2;
  --muted: #a5a5a5;
  --accent: #6f9ed8;
  --accent-strong: #a9c8f2;
  --panel-glow: inset 0 1px 0 rgba(255, 255, 255, 0.025);
  --shadow: 0 18px 36px rgba(0, 0, 0, 0.34);
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  height: 100%;
  min-height: 100%;
  font-family: "Segoe UI", Tahoma, sans-serif;
  color: var(--text);
  background:
    linear-gradient(180deg, #242424 0%, #2d2d2d 52%, #353535 100%);
}
body {
  min-height: 100vh;
  letter-spacing: 0.01em;
  overflow: hidden;
}
button,
input,
label {
  font: inherit;
}
a {
  color: inherit;
}
code {
  font-family: "Cascadia Code", Consolas, monospace;
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}
.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr) var(--properties-width, 340px);
  height: 100vh;
  max-height: 100vh;
  min-height: 100vh;
  gap: 0;
  padding: 0;
  overflow: hidden;
}
html.base-variant .app-shell {
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
}
.sidebar,
.viewer-shell,
.properties-sidebar {
  background: var(--panel);
  min-height: 0;
}
html.base-variant .properties-sidebar {
  display: none;
}
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.3rem;
  overflow: auto;
}
.properties-sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 0.3rem 0.85rem 0.9rem 0.25rem;
  overflow: hidden;
}
.properties-resizer {
  position: absolute;
  z-index: 20;
  top: 0;
  bottom: 0;
  left: -0.25rem;
  width: 0.65rem;
  cursor: col-resize;
  touch-action: none;
}
.properties-resizer::after {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.28rem;
  width: 1px;
  background: transparent;
  content: "";
  transition: background 120ms ease;
}
.properties-resizer:hover::after,
.properties-resizer:focus-visible::after,
body.is-resizing-properties .properties-resizer::after {
  background: var(--accent);
}
body.is-resizing-properties {
  cursor: col-resize;
  user-select: none;
}
.sidebar-header {
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}
.sidebar-header h1,
.panel-heading h2 {
  margin: 0;
}
.properties-panel .panel-heading h2,
.status-panel .panel-heading h2 {
  font-size: 0.82rem;
  line-height: 1.1;
}
.sidebar-header h1 {
  font-size: 1.75rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1;
}
.eyebrow {
  margin: 0 0 0.35rem;
  color: var(--accent);
  font-size: 0.69rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.intro,
.caption,
.tip,
.empty-state,
.intro {
  max-width: 30rem;
  margin: 0.7rem 0 0;
  line-height: 1.5;
  color: var(--text-soft);
}
button {
  border: 0;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  cursor: pointer;
  min-height: 2.65rem;
  padding: 0.7rem 0.9rem;
  font-weight: 650;
  letter-spacing: 0.015em;
  text-transform: uppercase;
  font-size: 0.78rem;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}
button:hover,
button:focus-visible {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
  outline: none;
}
.primary-button {
  background: rgba(214, 222, 230, 0.9);
  color: #0c1014;
}
.primary-button:hover,
.primary-button:focus-visible {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.24);
}
.secondary-button {
  background: rgba(255, 255, 255, 0.055);
}
.danger-button {
  background: rgba(45, 30, 31, 0.82);
  color: #ddd3d3;
}
.panel {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 1rem 1rem 1.05rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.025);
}
.hierarchy-panel {
  flex: 1 1 auto;
  min-height: 16rem;
  padding-top: 0.8rem;
}
.tree-panel-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.2rem;
  margin-bottom: 0.2rem;
}
.tree-panel-actions-group {
  display: flex;
  gap: 0.2rem;
}
.tree-panel-actions .compact-action-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.45rem;
  min-width: 1.55rem;
  padding: 0.1rem 0.28rem;
  border-radius: 3px;
  font-size: 0.69rem;
}
.tree-action-icon {
  display: block;
  width: 0.85rem;
  height: 0.85rem;
  filter: brightness(0) invert(1);
}
.tree-reset-visibility-button {
  min-width: 1.7rem;
  padding: 0;
}
.tree-reset-visibility-button svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.search-panel {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1 1 auto;
  min-height: 0;
  padding-top: 0.8rem;
}
.search-panel .list-block {
  flex: 1 1 auto;
  min-height: 0;
  max-height: none;
  height: auto;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.15rem;
  grid-auto-rows: 8rem;
  align-content: start;
  overflow: auto;
  padding-right: 0.1rem;
}
.search-panel .list-block.empty-state {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 8rem;
  text-align: center;
}
.search-panel .model-item {
  position: relative;
  display: flex;
  height: 8rem;
  min-height: 4rem;
  aspect-ratio: auto;
  padding: 0;
  border-radius: 0px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font: inherit;
  text-align: left;
  white-space: normal;
  overflow: hidden;
  line-height: 1.35;
  text-transform: none;
  transition: background 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}
.search-panel .model-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.22);
}
.model-card-media {
  position: absolute;
  inset: 0;
  width: auto;
  height: auto;
  overflow: hidden;
  border-radius: 0;
  border: 0;
  background: #292929;
}
.model-card-image {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}
.model-card-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #333333;
  color: #ffffff;
}
.model-card-fallback svg {
  width: 36%;
  height: 36%;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.3;
  opacity: 0.96;
}
.model-card-body {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 0.18rem;
  min-width: 0;
  min-height: 0;
  padding: 2.2rem 0.55rem 0.5rem;
  pointer-events: none;
  background: linear-gradient(180deg, transparent 30%, rgba(5, 8, 12, 0.28) 52%, rgba(5, 8, 12, 0.9) 100%);
}
.model-card-title {
  margin: 0;
  color: #ffffff;
  font-size: 0.82rem;
  font-weight: 650;
  line-height: 1.2;
  overflow-wrap: anywhere;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95);
  -webkit-text-stroke: 0.025em rgba(0, 0, 0, 0.75);
}
.model-card-top-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  min-width: 0;
}
.model-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 0;
  color: #ffffff;
  font-size: 0.68rem;
  letter-spacing: 0.03em;
  text-transform: none;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.95);
  -webkit-text-stroke: 0.025em rgba(0, 0, 0, 0.75);
  white-space: nowrap;
}
.model-card-size {
  white-space: nowrap;
}
.model-card-created {
  margin-left: auto;
  white-space: nowrap;
}.status-panel {
  margin-top: auto;
}
.properties-sidebar-tabs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  margin: 0 0 0.18rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px 4px 0 0;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.025);
}
.properties-sidebar-tab {
  appearance: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-soft);
  box-shadow: none;
  transform: none;
  min-height: 2.55rem;
  padding: 0.2rem 0.55rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.properties-sidebar-tab + .properties-sidebar-tab {
  border-left: 1px solid var(--line-strong);
}
.properties-sidebar-tab:hover,
.properties-sidebar-tab:focus-visible {
  background: rgba(255, 255, 255, 0.07);
  box-shadow: none;
  transform: none;
  outline: none;
}
.properties-sidebar-tab.is-active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 -2px 0 var(--accent);
}
.properties-panel {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0.8rem 0.85rem 0.9rem;
}
.positions-panel {
  flex: 1 1 auto;
  min-height: 0;
  padding: 0.1rem 0.35rem 0.1rem;
}
.properties-sidebar .panel[hidden] {
  display: none !important;
}
.properties-panel-body,
.positions-panel-body {
  min-height: 0;
  overflow: auto;
  padding-right: 0.1rem;
}
.positions-panel-body {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.positions-panel-intro {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.45;
  font-size: 0.84rem;
}
.positions-action-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}
.positions-create-button {
  width: 100%;
  justify-content: center;
}
.positions-summary {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.positions-summary-title {
  color: var(--accent-strong);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.positions-selection-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.positions-selection-chip {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 0.3rem 0.55rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-soft);
  font-size: 0.72rem;
  letter-spacing: 0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.positions-empty-state {
  padding: 0.8rem 0.85rem;
  border: 1px dashed var(--line-strong);
  border-radius: 4px;
  color: var(--text-soft);
  background: rgba(255, 255, 255, 0.02);
  line-height: 1.45;
  font-size: 0.84rem;
}
.properties-panel-body {
  min-height: 0;
  overflow: auto;
  padding-right: 0.1rem;
}
.world-transform-block {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.24rem;
  margin-bottom: 0.7rem;
}
.world-transform-field {
  display: flex;
  min-width: 0;
  min-height: 1.3rem;
  align-items: center;
  overflow: hidden;
  background: #e8e8e8;
  color: #17202a;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.7rem;
  line-height: 1;
}
.world-transform-label {
  display: inline-flex;
  flex: 0 0 1.55rem;
  min-height: 1.3rem;
  align-items: center;
  justify-content: flex-start;
  padding: 0 0.22rem;
  color: #ffffff;
  font-weight: 700;
}
.world-transform-field-x .world-transform-label {
  background: #e34c3c;
}
.world-transform-field-y .world-transform-label {
  background: #43a866;
}
.world-transform-field-z .world-transform-label {
  background: #3568b8;
}
.world-transform-value {
  min-width: 0;
  overflow: hidden;
  padding: 0 0.3rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.properties-summary {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  margin-bottom: 0.35rem;
}
.properties-title-row {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.4rem;
}
.properties-title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.1;
}
.properties-chip {
  flex: 0 0 auto;
  padding: 0.1rem 0.3rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-soft);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.properties-groups {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
}
.properties-group {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}
.properties-group-title {
  margin: 0.18rem 0 0.04rem;
  color: var(--accent-strong);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  line-height: 1;
  text-transform: uppercase;
}
.properties-list {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.property-row {
  display: grid;
  grid-template-columns: 8.5rem minmax(0, 1fr);
  gap: 0.2rem;
  min-height: 1.3rem;
  align-items: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.property-name {
  display: flex;
  min-width: 0;
  min-height: 1.3rem;
  align-items: center;
  padding: 0.08rem 0.2rem;
  color: var(--text);
  font-size: 0.68rem;
  line-height: 1.05;
  overflow-wrap: anywhere;
}
.property-value {
  color: var(--text);
  font-size: 0.68rem;
  font-family: "Cascadia Code", Consolas, monospace;
  text-align: right;
  white-space: nowrap;
}
.property-editor {
  display: flex;
  width: 100%;
  min-width: 0;
  align-items: center;
  justify-content: flex-start;
}
.property-input,
.property-select {
  width: 100%;
  min-width: 0;
  min-height: 1.3rem;
  height: 1.3rem;
  padding: 0.08rem 0.35rem;
  border: 1px solid #696969;
  border-radius: 0;
  background: #e9e9e9;
  color: #17202a;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1;
  text-align: left;
  color-scheme: light;
}
.property-select {
  padding-right: 1.4rem;
}
.property-select:focus,
.property-input:focus {
  outline: none;
  border-color: #8aaeca;
  box-shadow: 0 0 0 1px rgba(137, 196, 244, 0.45);
}
.property-select:disabled,
.property-input:disabled {
  opacity: 0.65;
  cursor: wait;
}
.property-input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}
.property-input[type="number"]::-webkit-outer-spin-button,
.property-input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}
.property-checkbox {
  width: 1rem;
  height: 1rem;
  accent-color: #d7dde4;
  cursor: pointer;
}
.property-checkbox:disabled {
  cursor: wait;
}
.status-message {
  min-height: 3.8rem;
  padding: 0.05rem 0.1rem;
  border-radius: 2px;
  line-height: 1.45;
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.84rem;
}
.status-message.is-compact {
  min-height: 0;
}
.viewer-shell {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.015), transparent 14%),
    linear-gradient(180deg, rgba(14, 17, 21, 0.98), rgba(10, 12, 15, 1));
}
.viewer-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 0.3rem 0.3rem 0.15rem;
}
.toolbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.55rem;
}
.toolbar-button {
  min-height: 2.5rem;
  padding: 0.62rem 0.9rem;
}
.toolbar-action-icon {
  min-height: 2.5rem;
  min-width: 2.5rem;
  padding: 0;
}
.toolbar-action-icon svg {
  width: 1.78rem;
  height: 1.78rem;
  stroke-width: 1.7;
}
.toolbar-icon-button.settings-button svg {
  width: 1.46rem;
  height: 1.46rem;
  fill: currentColor;
  stroke: none;
}
#file-input {
  display: none;
}
.toolbar-icon-button[hidden] { display: none; }
.toolbar-icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background 140ms ease;
}
.toolbar-icon-button:hover,
.toolbar-icon-button:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.28);
  outline: none;
}
.toolbar-link-button {
  color: var(--text-soft);
  font-size: 0.69rem;
  font-weight: 750;
  letter-spacing: 0.08em;
  text-decoration: none;
  text-transform: uppercase;
}
.toolbar-icon-button.is-active {
  background: rgba(214, 222, 230, 0.18);
  box-shadow: inset 0 0 0 1px rgba(230, 236, 242, 0.14);
}
.toolbar-icon-button.is-active svg {
  stroke: var(--accent-strong);
}
.toolbar-icon-button svg {
  width: 1.78rem;
  height: 1.78rem;
  fill: none;
  stroke: var(--text-soft);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.5;
}
#measurement-toggle svg {
  width: 3.18rem;
  height: 2.02rem;
  stroke-width: 1.05;
}
#measurement-toggle svg * {
  stroke-width: 1.05;
}
.settings-dialog {
  border: 0;
  overflow: visible;
  padding: 0;
  background: transparent;
  max-width: min(30rem, calc(100vw - 2rem));
  width: 100%;
  color: inherit;
}
.settings-dialog::backdrop {
  background: rgba(10, 10, 10, 0.58);
  backdrop-filter: blur(3px);
}
.settings-dialog-card {
  position: relative;
  overflow: visible;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background:
    linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow), var(--panel-glow);
  padding: 1.1rem;
}
.settings-dialog-header {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 0.1rem 0.15rem 0.9rem;
  border-bottom: 1px solid var(--line);
}
.settings-dialog-header h2 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
  text-transform: none;
}
.settings-dialog-description {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}
.settings-options {
  display: grid;
  gap: 0.45rem;
  margin-top: 0.8rem;
}
.settings-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.35rem;
  padding: 0.58rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.025);
  box-shadow: var(--panel-glow);
}
.settings-option-colors {
  align-items: flex-start;
  flex-direction: column;
  gap: 0.55rem;
}
.settings-option-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text);
}
.settings-option-copy {
  display: grid;
  gap: 0.15rem;
}
.settings-color-group {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}
.settings-color-trigger {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: 2.15rem;
  padding: 0.32rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.04);
  cursor: pointer;
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.76rem;
}
.settings-color-label {
  font-size: 0.68rem;
  color: var(--text-soft);
  letter-spacing: 0.02em;
}
.settings-color-trigger:hover,
.settings-color-trigger:focus-visible {
  border-color: var(--line-strong);
  background: color-mix(in srgb, var(--accent) 10%, var(--panel));
  box-shadow: none;
  transform: none;
  outline: none;
}
.settings-color-chip {
  width: 1rem;
  height: 1rem;
  border-radius: 3px;
  background: var(--swatch-color, #2b3036);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.16),
    inset 0 0 0 999px rgba(255, 255, 255, 0.02);
}
.settings-color-popover {
  position: absolute;
  z-index: 4;
  min-width: 15.25rem;
  padding: 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow), var(--panel-glow);
}
.settings-color-popover[hidden] {
  display: none;
}
.settings-color-popover-header {
  margin-bottom: 0.5rem;
}
.settings-color-popover-title {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text);
}
.settings-color-preset-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.32rem;
}
.settings-color-preset {
  min-width: 0;
  min-height: 1.55rem;
  padding: 0;
  border-radius: 3px;
  background: var(--preset-color, #2b3036);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.1),
    inset 0 0 0 999px rgba(255, 255, 255, 0.02);
}
.settings-color-preset.is-selected {
  box-shadow:
    inset 0 0 0 2px var(--text),
    0 0 0 2px color-mix(in srgb, var(--accent) 36%, transparent);
}
.settings-color-popover-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.2rem;
  margin-top: 0.55rem;
}
.settings-color-cancel-button,
.settings-color-confirm-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
  padding: 0;
  border-radius: 3px;
  background: rgba(214, 222, 230, 0.9);
  color: #0c1014;
  box-shadow: none;
}
.settings-color-cancel-button {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
}
.settings-color-cancel-button:hover,
.settings-color-cancel-button:focus-visible {
  background: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 2px rgba(214, 222, 230, 0.16);
  outline: none;
}
.settings-color-confirm-button:hover,
.settings-color-confirm-button:focus-visible {
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.24);
  outline: none;
}
.settings-color-cancel-button svg,
.settings-color-confirm-button svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
}
.settings-switch-control {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  flex: 0 0 auto;
  align-self: center;
  width: 2.3rem;
  height: 1.35rem;
  margin: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  line-height: 1;
  vertical-align: middle;
  transition: transform 140ms ease, box-shadow 140ms ease, border-color 140ms ease;
}
.settings-switch-control:hover,
.settings-switch-control:focus-within {
  border-color: var(--line-strong);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 18%, transparent);
}
.settings-switch-control input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}
.settings-switch-track {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  transition: background 140ms ease, box-shadow 140ms ease;
}
.settings-switch-track::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0.14rem;
  width: 0.82rem;
  height: 0.82rem;
  border-radius: 50%;
  background: #d7dde4;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.28);
  transform: translateY(-50%);
  transition: transform 140ms ease;
}
.settings-switch-control input:checked + .settings-switch-track {
  background: color-mix(in srgb, var(--accent) 72%, #3d434a);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent-strong) 24%, transparent);
}
.settings-switch-control input:checked + .settings-switch-track::after {
  transform: translate(1.05rem, -50%);
}
.settings-number-field {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.settings-number-input {
  width: 5.7rem;
  min-height: 1.8rem;
  padding: 0.22rem 0.65rem 0.22rem 0.45rem;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.045);
  color: var(--text);
  font: inherit;
  font-size: 0.77rem;
  text-align: center;
}
.settings-number-input:focus {
  outline: none;
  border-color: color-mix(in srgb, var(--accent) 70%, var(--line-strong));
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 16%, transparent);
}
.settings-number-unit {
  min-width: 0.8rem;
  font-size: 0.74rem;
  color: var(--text-soft);
  text-align: left;
}
.settings-dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--line);
}
#viewer-settings-dialog #settings-save-button {
  margin-right: auto;
}
.settings-action-button {
  min-width: 5.2rem;
  min-height: 2.2rem;
  padding: 0.45rem 0.75rem;
  border-radius: 3px;
  font-size: 0.69rem;
  letter-spacing: 0.055em;
}
.pill {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.55rem 0.9rem;
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.75rem;
  color: var(--text-soft);
}
.panel-note {
  margin: 0;
  color: var(--text-soft);
  line-height: 1.45;
  font-size: 0.84rem;
}
.panel-note strong {
  color: var(--accent-strong);
}
.tree-panel-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.05rem;
  margin-bottom: 0.1rem;
}
.tree-panel-tab {
  appearance: none;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--text-soft);
  box-shadow: none;
  transform: none;
  min-height: 2.72rem;
  padding: 0.05rem 0.05rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font: inherit;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background 140ms ease, opacity 140ms ease, color 140ms ease;
}
.tree-panel-tab:hover,
.tree-panel-tab:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
  transform: none;
  outline: none;
}
.tree-panel-tab.is-active {
  color: var(--accent-strong);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: none;
}
.tree-panel-view[hidden],
.search-panel[hidden] {
  display: none !important;
}
.tree-panel-view {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.tree-panel-actions-network {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 0.7rem;
}
.search-refresh-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.22rem;
  min-height: 1.75rem;
  min-width: 1.9rem;
}
.search-refresh-button svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.network-tree-list .tree-node {
  align-items: flex-start;
}
.tree-folder-count {
  min-width: 2rem;
  justify-content: center;
  margin-left: auto;
}
.workspace-search {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 0.8rem;
}
.workspace-search-controls {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.25rem;
}
.workspace-search-field {
  display: grid;
  gap: 0.22rem;
}
.workspace-search-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.5rem;
}
.workspace-search-input {
  width: 100%;
  padding: 0.65rem 0.8rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 5px;
  background: rgba(10, 12, 15, 0.55);
  color: var(--text-strong);
  font: inherit;
  outline: none;
}
.workspace-search-input::placeholder {
  color: rgba(214, 221, 229, 0.45);
}
.workspace-search-input:focus {
  border-color: rgba(124, 179, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(124, 179, 255, 0.14);
}
.workspace-search-field-label {
  font-size: 0.67rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.workspace-search-select {
  width: 100%;
  min-height: 2.15rem;
  padding: 0.4rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 5x;
  background: rgba(10, 12, 15, 0.55);
  color: var(--text-strong);
  font: inherit;
  outline: none;
}
.workspace-search-select:focus {
  border-color: rgba(124, 179, 255, 0.5);
  box-shadow: 0 0 0 3px rgba(124, 179, 255, 0.14);
}
.toolbar-readout {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.55rem 0.75rem;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-soft);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.toolbar-readout strong {
  color: var(--accent-strong);
  font-size: 0.78rem;
}
.viewer-hint {
  margin: 0;
  padding: 0.3rem 0.9rem 0.85rem;
  color: var(--muted);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.viewer-hint strong {
  color: var(--text-soft);
}
.viewer-dropzone {
  position: relative;
  flex: 1;
  min-height: 0;
  padding: 0;
}
.viewport-loading-overlay {
  position: absolute;
  inset: 0;
  z-index: 6;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(7, 9, 12, 0.34);
  backdrop-filter: blur(2px);
  pointer-events: all;
}
.viewport-loading-overlay[hidden] {
  display: none !important;
}
.viewport-loading-card {
  display: grid;
  justify-items: center;
  gap: 0.7rem;
  min-width: 8.5rem;
  padding: 1rem 1.2rem;
  border-radius: 5px;
  background: rgba(17, 20, 24, 0.88);
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.35);
  color: var(--text-soft);
}
.viewport-loading-spinner {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.14);
  border-top-color: var(--accent-strong);
  animation: viewport-loading-spin 0.8s linear infinite;
}
.viewport-loading-text {
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
@keyframes viewport-loading-spin {
  to {
    transform: rotate(360deg);
  }
}
.viewport-control-stack {
  position: absolute;
  top: calc(1rem + 8rem - 0.42rem);
  right: 2.35rem;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05rem;
  padding: 0.03rem;
  border-radius: 0;
  background: rgba(62, 70, 80, 0.28);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.16);
  backdrop-filter: blur(8px);
}
.viewer-icon-symbols {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}
.viewport-floating-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.72rem;
  height: 2.72rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  color: #ffffff;
  opacity: 0.96;
  cursor: pointer;
  transition: background 140ms ease, opacity 140ms ease;
}
.viewport-floating-button:hover,
.viewport-floating-button:focus-visible {
  opacity: 1;
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}
.viewport-home-button svg {
  width: 2.58rem;
  height: 2.58rem;
  display: block;
  fill: currentColor;
  stroke: none;
  transform: scale(1.06);
  transform-origin: center;
}
.viewport-mode-button svg {
  width: 2.12rem;
  height: 2.12rem;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.15;
  transform: scale(1.07);
  transform-origin: center;
}
.viewport-mode-button svg * {
  stroke-width: 1.15;
}
.viewport-mode-button.is-active {
  opacity: 0.96;
}
.viewport-mode-button:not(.is-active) {
  opacity: 0.42;
}
.viewport-display-picker {
  position: relative;
}
.viewport-display-trigger {
  position: relative;
}
.viewport-display-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  display: block;
  pointer-events: none;
}
.viewport-display-caret {
  position: absolute;
  right: 0.36rem;
  bottom: 0.34rem;
  width: 0;
  height: 0;
  border-left: 0.23rem solid transparent;
  border-right: 0.23rem solid transparent;
  border-top: 0.3rem solid rgba(255, 255, 255, 0.88);
  opacity: 0.88;
  pointer-events: none;
}
.viewport-display-menu {
  position: absolute;
  top: 0;
  right: calc(100% + 0.5rem);
  z-index: 5;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.22rem;
  padding: 0.35rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 0;
  background: rgba(18, 23, 28, 0.94);
  box-shadow: 0 14px 28px rgba(0, 0, 0, 0.24);
  opacity: 0;
  transform: translateX(0.35rem) scale(0.97);
  transform-origin: right center;
  pointer-events: none;
  transition: opacity 140ms ease, transform 140ms ease;
}
.viewport-display-picker.is-open .viewport-display-menu {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: auto;
}
.selection-context-menu {
  position: fixed;
  z-index: 40;
  min-width: 13rem;
  padding: 0.45rem;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background:
    linear-gradient(180deg, var(--panel-strong), var(--panel));
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}
.selection-context-menu[hidden] {
  display: none;
}
.selection-context-menu-item {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 2.2rem;
  padding: 0.45rem 0.65rem;
  border-radius: 3px;
  background: transparent;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.82rem;
  font-weight: 600;
  box-shadow: none;
}
.selection-context-menu-icon {
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.55rem;
  object-fit: contain;
  filter: brightness(0) invert(1);
}
.selection-context-menu-item svg {
  width: 0.95rem;
  height: 0.95rem;
  margin-right: 0.55rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
  flex: 0 0 auto;
}
.selection-context-menu-item:hover,
.selection-context-menu-item:focus-visible {
  background: color-mix(in srgb, var(--accent) 16%, var(--panel));
  box-shadow: none;
}
.selection-context-menu-item:disabled {
  color: color-mix(in srgb, var(--text-soft) 38%, transparent);
  cursor: not-allowed;
  box-shadow: none;
}
.selection-context-menu-item:disabled .selection-context-menu-icon {
  opacity: 0.38;
}
.viewport-display-option {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0.25rem;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: #f3f6fa;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease;
}
.viewport-display-option:hover,
.viewport-display-option:focus-visible {
  background: rgba(255, 255, 255, 0.08);
  outline: none;
}
.viewport-display-option.is-selected {
  background: rgba(255, 255, 255, 0.12);
}
.viewport-display-option-icon {
  width: 1.5rem;
  height: 1.5rem;
  flex: 0 0 auto;
  object-fit: contain;
  pointer-events: none;
}
.measurement-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.positions-overlay {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}
.positions-overlay-leader {
  position: absolute;
  z-index: 1;
  height: 3px;
  border-radius: 999px;
  background: #00e5ff;
  box-sizing: border-box;
  border-top: 1px solid rgba(5, 10, 14, 0.98);
  border-bottom: 1px solid rgba(5, 10, 14, 0.98);
  box-shadow: none;
  pointer-events: none;
  transform-origin: 0 50%;
}
.positions-overlay-leader-dot {
  position: absolute;
  z-index: 0;
  width: 8px;
  height: 8px;
  border: 2px solid rgba(5, 10, 14, 0.98);
  border-radius: 50%;
  background: #00e5ff;
  box-shadow: 0 0 4px rgba(0, 229, 255, 0.6);
  pointer-events: none;
  transform: translate(-50%, -50%);
}
.positions-overlay-label {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  min-height: 1.75rem;
  padding: 0.28rem 0.52rem;
  border: 0;
  border-radius: 0;
  background: rgba(8, 12, 18, 0.85);
  border-bottom: 2px solid #00e5ff;
  box-shadow: 0 1px 0 rgba(5, 10, 14, 0.98), 0 0 5px rgba(0, 229, 255, 0.35);
  color: #ff55e8;
  text-shadow: 0 2px 3px rgba(0, 0, 0, 0.9);
  cursor: pointer;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.12;
  pointer-events: auto;
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
.positions-overlay-label:hover,
.positions-overlay-label:focus-visible,
.positions-overlay-label.is-active {
  border-color: rgba(13, 108, 233, 0.82);
  box-shadow: 0 0 0 1px rgba(13, 108, 233, 0.28), 0 7px 16px rgba(0, 0, 0, 0.24);
}
.positions-overlay-label-number {
  color: #ff55e8;
  text-shadow: 0 2px 3px rgba(0, 0, 0, 0.9);
}
.measurement-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.measurement-overlay-note,
.measurement-axis-label {
  position: absolute;
  color: var(--accent-strong);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1.12;
  text-align: center;
}
.measurement-overlay-note {
  top: 0.95rem;
  left: 0.95rem;
  min-width: 4.7rem;
  padding: 0.2rem 0.34rem;
  border-radius: 5px;
  background: rgba(10, 12, 15, 0.76);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.22);
  white-space: nowrap;
}
.measurement-preview-note {
  position: absolute;
  top: 3rem;
  left: 0.95rem;
  min-width: 4.2rem;
  padding: 0.18rem 0.34rem;
  border-radius: 5px;
  background: rgba(10, 12, 15, 0.72);
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18);
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.68rem;
  line-height: 1.12;
  text-align: center;
  white-space: nowrap;
}
.measurement-overlay-note.is-pending {
  color: var(--text-soft);
}
.measurement-axis-label {
  padding: 0.22rem 0.4rem;
  border-radius: 9px;
  background: rgba(10, 12, 15, 0.86);
  box-shadow: 0 7px 16px rgba(0, 0, 0, 0.24);
  transform: translate(-50%, -50%);
  white-space: nowrap;
}
.measurement-axis-label-total {
  color: #f3f6f9;
  text-shadow: -1px -1px 0 rgba(5, 10, 14, 0.98), 1px -1px 0 rgba(5, 10, 14, 0.98), -1px 1px 0 rgba(5, 10, 14, 0.98), 1px 1px 0 rgba(5, 10, 14, 0.98), 0 2px 4px rgba(0, 0, 0, 0.8);
}
.measurement-axis-label-x {
  color: #ff8c8c;
}
.measurement-axis-label-y {
  color: #7eb1ff;
}
.measurement-axis-label-z {
  color: #82e39b;
}
.animation-toolbar {
  position: relative;
  z-index: 7;
  pointer-events: auto;
  display: flex;
  align-items: center;
  width: 100%;
  flex: 0 0 auto;
  gap: 0.8rem;
  padding: 0.7rem 1rem 0.9rem;
  background: rgba(255, 255, 255, 0.02);
}
.animation-toolbar .icon-button {
  appearance: none;
  -webkit-appearance: none;
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  min-width: 2.5rem;
  height: 2.5rem;
  min-height: 2.5rem;
  padding: 0;
  position: relative;
  z-index: 1;
  background-clip: padding-box;
}
.animation-toolbar .icon-button svg {
  display: block;
  width: 1.15rem;
  height: 1.15rem;
  fill: currentColor;
}
.animation-toolbar .progress-slider {
  flex: 1 1 auto;
  width: auto;
  min-width: 0;
}
.animation-toolbar .progress-value {
  flex: 0 0 auto;
  min-width: 4.5rem;
  text-align: right;
}
#render-canvas {
  width: 100%;
  height: 100%;
  display: block;
  border-radius: 0;
  outline: none;
  background:
    linear-gradient(180deg, #343434 0%, #272727 100%);
  box-shadow: none;
}
.tree-block {
  min-height: 0;
  max-height: 100%;
  overflow: auto;
  padding-right: 0.2rem;
  margin-top: 0.1rem;
}
.tree-panel-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.05rem;
  margin-bottom: 0.05rem;
}
.tree-panel-tab {
  min-height: auto;
  padding: 0.5rem 0.7rem;
  border-radius: 0px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-soft);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.tree-panel-tab.is-active {
  background: rgba(214, 222, 230, 0.18);
  color: var(--accent-strong);
}
.tree-panel-view {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.tree-panel-actions-network {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 0.7rem;
}
.tree-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.tree-list[data-depth="1"] {
  padding-left: 1rem;
}
.tree-list[data-depth="2"],
.tree-list[data-depth="3"],
.tree-list[data-depth="4"],
.tree-list[data-depth="5"] {
  padding-left: 1.15rem;
}
.tree-node {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  min-height: 1.85rem;
  padding: 0.18rem 0.15rem;
  color: var(--text-soft);
  border-radius: 5px;
}
.tree-entry > .tree-node {
  font-weight: 650;
  color: var(--text);
}
.tree-node.is-selectable {
  cursor: pointer;
}
.tree-node.is-selectable:hover {
  background: rgba(255, 255, 255, 0.045);
}
.tree-node.is-selected {
  background: rgba(214, 222, 230, 0.12);
  box-shadow: inset 0 0 0 1px rgba(230, 236, 242, 0.12);
}
.tree-node.is-hidden {
  opacity: 0.58;
}
.tree-node.is-hidden .tree-label {
  color: var(--muted);
}
.tree-toggle {
  border: 0;
  background: transparent;
  box-shadow: none;
  min-height: auto;
  min-width: 1rem;
  padding: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1;
  text-transform: none;
}
.tree-toggle:hover,
.tree-toggle:focus-visible {
  transform: none;
  border: 0;
  background: transparent;
  box-shadow: none;
  color: var(--text);
}
.tree-toggle-spacer {
  width: 1rem;
  flex: 0 0 1rem;
}
.tree-label {
  min-width: 0;
  flex: 1;
  font-size: 0.82rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tree-meta {
  font-size: 0.69rem;
  color: var(--muted);
}
.tree-folder-count {
  min-width: 2rem;
  justify-content: center;
  margin-left: auto;
  text-align: right;
}
.network-tree-list .tree-node {
  align-items: flex-start;
}
.search-refresh-button svg {
  width: 1rem;
  height: 1rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}
.tree-visibility-button,
.tree-focus-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.5rem;
  min-width: 1.5rem;
  padding: 0;
  border: 0;
  border-radius: 3px;
  background: transparent;
  box-shadow: none;
  color: var(--muted);
  flex: 0 0 auto;
}
.tree-visibility-button:hover,
.tree-visibility-button:focus-visible,
.tree-focus-button:hover,
.tree-focus-button:focus-visible {
  transform: none;
  background: rgba(255, 255, 255, 0.06);
  box-shadow: none;
  color: var(--text);
}
.tree-visibility-button svg,
.tree-focus-button svg {
  width: 0.95rem;
  height: 0.95rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}
@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .app-shell {
    padding: 0;
    gap: 0.05rem;
  }
  .viewer-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .settings-option {
    align-items: stretch;
    flex-direction: column;
  }
  .settings-color-group,
  .settings-number-field,
  .settings-action-button {
    width: 100%;
  }
  .settings-color-popover {
    min-width: min(15.25rem, calc(100vw - 2.5rem));
  }
  .settings-color-preset-grid {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .settings-dialog-actions {
    flex-direction: column-reverse;
  }
  .viewport-control-stack {
    top: auto;
    right: 2.2rem;
    bottom: 2.6rem;
  }
  .viewport-floating-button {
    width: 2.52rem;
    height: 2.52rem;
  }
}
.help-button {
  color: var(--text-soft);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
}
.controls-help-dialog {
  max-width: min(30rem, calc(100vw - 2rem));
}
.controls-help-list {
  display: grid;
  gap: 0.65rem;
  margin: 0.8rem 0 0;
  padding: 0;
  list-style: none;
}
.controls-help-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 0.55rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-soft);
}
.controls-help-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}
.controls-help-list strong {
  color: var(--text-strong);
  font-weight: 650;
}
.toolbar-secondary-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.55rem;
  margin-left: auto;
}
.share-panel .panel-heading,
.download-panel .panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}
.share-cancel-button,
.download-cancel-button {
  min-height: 2rem;
  padding: 0.35rem 0.7rem;
  font-size: 0.72rem;
  text-transform: none;
}
.share-cancel-button svg,
.download-cancel-button svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}
.share-panel {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  padding-top: 0.8rem;
}
.share-panel-body {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  min-height: 0;
  overflow: auto;
  padding-right: 0.2rem;
}
.share-link-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.share-link-label {
  color: var(--text-soft);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.auth-widget { display:flex; align-items:center; gap:8px; margin-left:8px; color:#aeb8c2; font-size:12px; }
.auth-widget button { padding:6px 9px; border:1px solid rgba(255,255,255,.16); border-radius:6px; color:inherit; background:transparent; cursor:pointer; }
.share-description {
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.4;
}
.share-section-separator {
  height: 1px;
  margin: 0.15rem 0;
  background: rgba(255, 255, 255, 0.1);
}
.share-link-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  align-items: center;
}
.share-link-input {
  width: 100%;
  min-height: 2.3rem;
  padding: 0.45rem 0.65rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.77rem;
  text-align: left;
}
.share-link-input:focus {
  outline: none;
  border-color: rgba(137, 196, 244, 0.56);
  box-shadow: 0 0 0 1px rgba(137, 196, 244, 0.18);
}
.share-copy-button {
  min-height: 2.3rem;
  min-width: 4.6rem;
  padding: 0.45rem 0.8rem;
  border-radius: 3px;
  font-size: 0.72rem;
  text-transform: none;
}
.public-share-create-button {
  align-self: flex-start;
  min-height: 2.3rem;
  margin: 0.15rem 0 0.3rem;
  padding: 0.45rem 0.8rem;
  border-radius: 3px;
  font-size: 0.72rem;
  text-transform: none;
}
.download-panel-body {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  min-height: 0;
}
.download-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}
.download-model-name {
  margin: 0;
  color: var(--text-soft);
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 0.78rem;
  overflow-wrap: anywhere;
}
.download-model-button {
  min-height: 2.3rem;
  padding: 0.45rem 0.8rem;
  border-radius: 3px;
  font-size: 0.72rem;
  text-transform: none;
  align-self: flex-start;
  min-width: 7rem;
}
.download-cancel-button svg {
  width: 0.9rem;
  height: 0.9rem;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-width: 1.7;
}
.share-link-status {
  min-height: 1.1rem;
  margin: 0;
  color: var(--muted);
  line-height: 1.35;
  font-size: 0.75rem;
}
.positions-draft-card,
.positions-saved-list {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  padding: 0.1rem;
}
.positions-draft-header,
.positions-entry-header,
.positions-saved-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}
.positions-entry-header {
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.positions-draft-title,
.positions-section-title {
  margin: 0;
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.positions-draft-fields,
.positions-entry-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: 0.1rem;
  row-gap: 0.35rem;
}
.positions-field {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.positions-draft-fields > .positions-field {
  margin-bottom: 0.45rem;
}
.positions-draft-fields {
  grid-template-columns: 1fr;
}
.positions-field-wide {
  grid-column: 1 / -1;
}
.positions-field-small {
  min-width: 0;
}
.positions-field-label {
  color: var(--text-soft);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.positions-number-input { width: 5rem !important; max-width: 100%; justify-self: start; }
.positions-number-input,
.positions-step-select,
.positions-text-input,
.positions-textarea {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.08rem 0.35rem;
  min-height: 1.3rem;
  font: inherit;
}
.positions-textarea {
  min-height: 2.8rem;
  resize: vertical;
}
.positions-equipment-header { display: flex; align-items: center; justify-content: space-between; gap: 0.55rem; margin-top: 0.35rem; }
.positions-entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem;
}
.positions-remove-entry-button {
  min-height: 1.3rem;
  margin-left: auto;
  padding: 0.08rem 0.35rem;
}
.positions-add-entry-button,
.positions-save-button {
  min-height: 1.3rem;
  padding: 0.08rem 0.35rem;
}
.positions-save-button { min-height: 1.6rem; padding: 0.22rem 0.55rem; }
.positions-add-entry-button { width: 2.15rem; height: 2.15rem; min-height: 0; padding: 0; display: inline-flex; align-items: center; justify-content: center; font-size: 1.9rem; line-height: 1; }
.positions-add-entry-button svg { width: 1.35rem; height: 1.35rem; display: block; fill: none; stroke: currentColor; stroke-linecap: round; stroke-width: 2; }
.positions-entry-list,
.positions-entry-associations {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.positions-entry-card,
.positions-saved-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: 0.7rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.03);
}
.positions-entry-kind {
  color: var(--accent-strong);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.positions-entry-title,
.positions-saved-title {
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}
.positions-entry-model-details {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.positions-entry-model-text,
.positions-saved-meta {
  color: var(--text-soft);
  line-height: 1.4;
  font-size: 0.8rem;
}
.positions-saved-list {
  gap: 0.55rem;
}
.quote-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.quote-panel-body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 0;
  overflow: auto;
}
.quote-panel-intro {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.86rem;
  line-height: 1.45;
}
.quote-panel-card {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 0.95rem 1rem 1rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.8rem;
  background: rgba(255, 255, 255, 0.03);
}
.quote-panel-heading {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}
.quote-panel-title {
  margin: 0;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
}
.quote-model-summary {
  color: var(--text-soft);
  font-size: 0.84rem;
  line-height: 1.4;
}
.quote-panel-fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.8rem;
}
.quote-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.quote-field-readonly {
  min-width: 0;
}
.quote-field-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.quote-number-input {
  width: 100%;
  min-width: 0;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.65rem;
  background: rgba(10, 14, 18, 0.6);
  color: var(--text);
  font: inherit;
}
.quote-number-input:focus {
  border-color: rgba(13, 108, 233, 0.55);
  outline: none;
  box-shadow: 0 0 0 1px rgba(13, 108, 233, 0.2);
}
.quote-field-value {
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-strong);
  border-radius: 0.65rem;
  background: rgba(255, 255, 255, 0.02);
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.4;
}
.quote-panel-actions {
  display: flex;
  justify-content: flex-end;
}
.quote-create-button {
  min-width: 9rem;
}
.quote-panel-status {
  margin: 0;
  color: var(--text-soft);
  font-size: 0.84rem;
  line-height: 1.45;
}
.properties-sidebar-tab:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
.position-labels-toggle img { width: 1.55rem; height: 1.55rem; filter: invert(1); }
.position-labels-toggle.is-active { background: rgba(255, 255, 255, 0.14); opacity: 1; }
.position-labels-toggle:not(.is-active) { opacity: 0.45; }
.tree-panel-tab-icon { width: 1.15rem; height: 1.15rem; filter: invert(1); }
.positions-tree-list { display: flex; flex-direction: column; gap: 0.35rem; padding: 0.7rem; }
.positions-tree-item { text-align: left; padding: 0.55rem; background: transparent; color: var(--text); border: 1px solid var(--line); cursor: pointer; }
.positions-mode-tabs { display: flex; gap: 0.35rem; margin-bottom: 0.25rem; border-bottom: 1px solid var(--line); }
.positions-mode-tab { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); padding: 0.65rem 0.85rem; cursor: pointer; font: inherit; }
.positions-mode-tab.is-active { color: var(--text); border-bottom-color: var(--accent); }
.positions-edit-panel { display: flex; flex-direction: column; gap: 0.55rem; }
.positions-edit-item { text-align: left; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 0.75rem; cursor: pointer; }
.positions-edit-select { width: 100%; border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 0.55rem 0.65rem; font: inherit; }
.positions-edit-item:hover, .positions-edit-item:focus-visible { border-color: var(--accent); }
.positions-edit-item.is-selected { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 12%, var(--panel)); }
.positions-anchor-field { display: flex; align-items: center; gap: 0.65rem; grid-column: 1 / -1; width: 100%; min-width: 0; justify-content: flex-start; margin-top: 0.5rem; margin-bottom: 0.8rem; }
.positions-anchor-label { margin-left: auto; flex: 0 0 auto; color: var(--text-soft); font-size: 0.78rem; white-space: nowrap; }
.positions-anchor-button { flex: 0 0 2.15rem; width: 2.15rem; height: 2.15rem; min-height: 0; padding: 0; margin-left: 0; display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
.positions-anchor-button img { width: 1rem; height: 1rem; object-fit: contain; filter: brightness(0) invert(1); }


/* Host sizing for the web component. */
layout-viewer { display: block; width: 100%; height: 100vh; min-height: 480px; }