styles.css

:root {
  color-scheme: light;
  --page-background: #b3b3b3;
  --workspace-background: #b3b3b3;
  --canvas-background: #b3b3b3;
  --surface: rgba(238, 238, 238, 0.9);
  --surface-solid: #eeeeee;
  --surface-muted: #dedede;
  --surface-hover: #d0d0d0;
  --text-primary: #242424;
  --text-secondary: #626262;
  --text-tertiary: #888888;
  --border: rgba(36, 36, 36, 0.12);
  --border-strong: rgba(36, 36, 36, 0.2);
  --accent: #5a5a5a;
  --accent-hover: #484848;
  --accent-soft: #dedede;
  --accent-soft-strong: rgba(72, 72, 72, 0.28);
  --accent-strong: #383838;
  --accent-contrast: #ffffff;
  --danger: #b13e4d;
  --grid-minor: rgba(48, 48, 48, 0.09);
  --grid-major: rgba(48, 48, 48, 0.17);
  --cube-light: #d8d8d8;
  --cube-mid: #b4b4b4;
  --cube-dark: #8c8c8c;
  --cube-edge: rgba(48, 48, 48, 0.62);
  --focus-ring: rgba(72, 72, 72, 0.34);
  --drop-overlay: rgba(179, 179, 179, 0.92);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page-background: #484848;
  --workspace-background: #484848;
  --canvas-background: #484848;
  --surface: rgba(78, 78, 78, 0.92);
  --surface-solid: #565656;
  --surface-muted: #606060;
  --surface-hover: #696969;
  --text-primary: #f2f2f2;
  --text-secondary: #c6c6c6;
  --text-tertiary: #9d9d9d;
  --border: rgba(255, 255, 255, 0.1);
  --border-strong: rgba(255, 255, 255, 0.2);
  --accent: #d4d4d4;
  --accent-hover: #eeeeee;
  --accent-soft: #5d5d5d;
  --accent-soft-strong: rgba(212, 212, 212, 0.34);
  --accent-strong: #f2f2f2;
  --accent-contrast: #2b2b2b;
  --danger: #ff7a8d;
  --grid-minor: rgba(255, 255, 255, 0.06);
  --grid-major: rgba(255, 255, 255, 0.12);
  --cube-light: #dedede;
  --cube-mid: #bcbcbc;
  --cube-dark: #929292;
  --cube-edge: rgba(255, 255, 255, 0.4);
  --focus-ring: rgba(212, 212, 212, 0.38);
  --drop-overlay: rgba(72, 72, 72, 0.9);
}

* {
  box-sizing: border-box;
}

html,
body {
  min-width: 320px;
  min-height: 100%;
  margin: 0;
}

body {
  background: var(--page-background);
  color: var(--text-primary);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
  line-height: 1.4;
  padding: 14px;
  transition: background-color 180ms ease, color 180ms ease;
}

button,
input {
  color: inherit;
  font: inherit;
}

button {
  border: 0;
}

button,
a,
input {
  -webkit-tap-highlight-color: transparent;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.icon-library {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
  pointer-events: none;
}

.icon {
  display: block;
  width: 21px;
  height: 21px;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.icon .icon-fill {
  fill: currentColor;
  stroke: none;
}

.app-shell {
  min-height: calc(100svh - 28px);
}

.workspace {
  position: relative;
  min-height: 700px;
  height: calc(100svh - 28px);
  overflow: hidden;
  background: var(--workspace-background);
  border: 1px solid var(--border);
  border-radius: 30px;
  isolation: isolate;
  transition: background-color 180ms ease, border-color 180ms ease;
}

#viewportCanvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  background: var(--canvas-background);
  cursor: default;
  touch-action: none;
  transition: background-color 180ms ease;
}

#viewportCanvas.is-dragging {
  cursor: grabbing;
}

#viewportCanvas.is-panning {
  cursor: move;
}

#viewportCanvas.is-selecting {
  cursor: crosshair;
}

#viewportCanvas.is-plane-picking {
  cursor: crosshair;
}

#viewportCanvas.is-snap-aligning {
  cursor: crosshair;
}

#viewportCanvas.is-plane-pick-hover {
  cursor: pointer;
}

#viewportCanvas.is-gizmo-hover {
  cursor: grab;
}

#viewportCanvas.is-transforming {
  cursor: grabbing;
}

.drop-overlay {
  position: absolute;
  z-index: 50;
  inset: 10px;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--drop-overlay);
  border: 2px dashed var(--accent);
  border-radius: 22px;
  opacity: 0;
  pointer-events: none;
  transform: scale(0.995);
  visibility: hidden;
  backdrop-filter: blur(12px);
  transition: opacity 140ms ease, transform 140ms ease, visibility 140ms ease;
}

.workspace.is-file-dragging .drop-overlay {
  opacity: 1;
  transform: scale(1);
  visibility: visible;
}

.drop-card {
  display: flex;
  width: min(340px, 100%);
  min-height: 210px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 7px;
  padding: 32px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  color: var(--text-secondary);
  text-align: center;
}

.drop-card strong {
  color: var(--text-primary);
  font-size: 20px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.drop-card > span:last-child {
  font-size: 12px;
  font-weight: 620;
}

.drop-icon {
  display: grid;
  width: 54px;
  height: 54px;
  margin-bottom: 10px;
  place-items: center;
  background: var(--accent-soft);
  border-radius: 17px;
  color: var(--accent-strong);
}

.drop-icon .icon {
  width: 27px;
  height: 27px;
}

.topbar {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 24px 14px 20px;
  pointer-events: none;
}

.brand,
.header-actions {
  pointer-events: auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-primary);
  font-size: 23px;
  font-weight: 720;
  letter-spacing: -0.035em;
  text-decoration: none;
}

.brand img {
  width: 72px;
  height: 54px;
  filter: none;
  object-fit: contain;
  transition: filter 180ms ease;
}

:root[data-theme="dark"] .brand img {
  filter: brightness(1.85);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.history-actions {
  display: flex;
  height: 46px;
  padding: 3px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  backdrop-filter: blur(18px);
}

.history-button {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  background: transparent;
  border-radius: 999px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 150ms ease, color 150ms ease;
}

.history-button:not(:disabled):hover {
  background: var(--surface-solid);
  color: var(--accent-strong);
}

.history-button:disabled {
  color: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.45;
}

.history-button .icon {
  width: 19px;
  height: 19px;
}

.action-button,
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  height: 46px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 620;
  white-space: nowrap;
  backdrop-filter: blur(18px);
  transition: background-color 150ms ease, border-color 150ms ease, transform 150ms ease;
}

.action-button {
  min-width: 154px;
  padding: 0 20px;
}

#importButton .icon {
  color: var(--accent);
}

.action-button:not(:disabled):hover,
.theme-toggle:hover {
  background: var(--surface-solid);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.action-button:active,
.theme-toggle:active {
  transform: translateY(0);
}

.action-button:disabled,
.model-status button:disabled {
  opacity: 0.55;
  transform: none;
}

.action-button:disabled {
  cursor: not-allowed;
}

.action-button[aria-busy="true"]:disabled,
.model-status button:disabled {
  cursor: wait;
}

.theme-toggle {
  width: 46px;
  padding: 0;
}

.theme-icon-sun {
  display: none;
}

:root[data-theme="dark"] .theme-icon-sun {
  display: block;
}

:root[data-theme="dark"] .theme-icon-moon {
  display: none;
}

.left-rail {
  position: absolute;
  z-index: 15;
  top: 96px;
  left: 22px;
  display: flex;
  width: 220px;
  flex-direction: column;
  gap: 12px;
}

.left-rail.is-workbench-mode {
  z-index: 19;
  width: 350px;
  height: calc(100% - 122px);
  gap: 0;
}

.tool-panel,
.display-tabs,
.transform-card,
.history-panel,
.view-toolbar,
.model-status {
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
}

.tool-panel {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 10px;
  border-radius: 24px;
}

.tool-panel[hidden] {
  display: none;
}

.rail-button {
  display: flex;
  align-items: center;
  gap: 13px;
  width: 100%;
  min-height: 48px;
  padding: 0 13px;
  background: transparent;
  border-radius: 15px;
  color: var(--text-primary);
  cursor: pointer;
  font-weight: 570;
  text-align: left;
  transition: background-color 140ms ease, color 140ms ease;
}

.rail-button .icon {
  width: 23px;
  height: 23px;
}

.rail-button:hover {
  background: var(--surface-hover);
}

.rail-button.is-active {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.plane-workbench,
.alignment-workbench {
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 0;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 24px;
  backdrop-filter: blur(22px);
}

.plane-workbench[hidden],
.alignment-workbench[hidden] {
  display: none;
}

.workbench-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 17px 13px;
  border-bottom: 1px solid var(--border);
}

.workbench-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 730;
  letter-spacing: -0.02em;
}

.icon-button {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  background: var(--surface-muted);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
}

.icon-button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.icon-button .icon {
  width: 18px;
  height: 18px;
}

.workbench-scroll {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 13px 15px 17px;
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) transparent;
}

.alignment-copy {
  margin: 0;
  color: var(--text-secondary);
  font-size: 11px;
  line-height: 1.55;
}

.level-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 5px;
  margin-bottom: 13px;
  padding: 3px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.level-mode-button {
  display: grid;
  min-width: 0;
  gap: 2px;
  min-height: 48px;
  align-content: center;
  padding: 6px 8px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
}

.level-mode-button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.level-mode-button.is-active {
  background: var(--surface-solid);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.level-mode-button strong {
  overflow: hidden;
  font-size: 10px;
  font-weight: 710;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.level-mode-button small {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.alignment-status {
  display: flex;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  margin-top: 13px;
  padding: 10px 11px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1.4;
}

.alignment-status-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 auto;
  background: var(--text-tertiary);
  border-radius: 50%;
}

.alignment-status[data-state="analyzing"] .alignment-status-dot {
  background: transparent;
  border: 2px solid var(--accent-soft-strong);
  border-top-color: var(--accent);
  animation: alignment-spin 700ms linear infinite;
}

.alignment-status[data-state="ready"] .alignment-status-dot {
  background: var(--accent);
}

.alignment-status[data-state="error"] {
  color: var(--danger);
}

.alignment-status[data-state="error"] .alignment-status-dot {
  background: var(--danger);
}

.orientation-results {
  margin-top: 15px;
}

.orientation-results[hidden],
.alignment-analyze-button[hidden],
.alignment-empty[hidden],
#levelControls[hidden],
#levelPlanePanel[hidden],
#snapAlignPanel[hidden],
#snapAlignSummary[hidden] {
  display: none;
}

.alignment-section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.orientation-target-field {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
  padding: 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
}

.orientation-target-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
}

.orientation-target-buttons button {
  display: grid;
  min-width: 0;
  gap: 2px;
  padding: 7px 5px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  text-align: center;
}

.orientation-target-buttons button:hover {
  border-color: var(--border-strong);
}

.orientation-target-buttons button.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.orientation-target-buttons strong {
  font-size: 12px;
  font-weight: 760;
}

.orientation-target-buttons small {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.orientation-candidate-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 7px;
  margin-top: 9px;
}

.orientation-candidate {
  display: grid;
  min-width: 0;
  gap: 3px;
  min-height: 68px;
  padding: 9px 10px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.orientation-candidate:hover {
  border-color: var(--border-strong);
}

.orientation-candidate.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.orientation-candidate-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
}

.orientation-candidate-heading strong,
.orientation-candidate-angle,
.orientation-candidate small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.orientation-candidate-heading strong {
  font-size: 11px;
  font-weight: 710;
}

.orientation-candidate-angle {
  flex: 0 0 auto;
  color: var(--accent-strong);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  font-weight: 720;
}

.orientation-candidate-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.orientation-candidate-type {
  flex: 0 0 auto;
  padding: 2px 5px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.orientation-candidate small {
  color: var(--text-tertiary);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.orientation-adjustments {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
  margin-top: 8px;
}

.orientation-adjustments .alignment-adjust-button {
  margin-top: 0;
}

.alignment-hint {
  margin: 9px 1px 0;
  color: var(--text-tertiary);
  font-size: 10px;
  line-height: 1.5;
}

.alignment-analyze-button,
.alignment-apply-button,
.alignment-cancel-button,
.alignment-adjust-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 40px;
  border-radius: 12px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 690;
}

.alignment-analyze-button {
  width: 100%;
  margin-top: 14px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--accent-strong);
}

.alignment-analyze-button:hover:not(:disabled),
.alignment-adjust-button:hover:not(:disabled) {
  background: var(--surface-hover);
}

.alignment-analyze-button .icon,
.alignment-apply-button .icon,
.alignment-adjust-button .icon {
  width: 16px;
  height: 16px;
}

.alignment-actions,
.alignment-adjustments {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.alignment-actions {
  margin-top: 15px;
}

.lay-flat-actions {
  grid-template-columns: 1fr;
}

.alignment-cancel-button,
.alignment-adjust-button {
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
}

.alignment-apply-button {
  background: var(--accent);
  color: var(--accent-contrast);
}

.alignment-apply-button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.alignment-analyze-button:disabled,
.alignment-apply-button:disabled,
.alignment-cancel-button:disabled,
.alignment-adjust-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.alignment-pick-tip {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  margin-bottom: 12px;
  padding: 10px 11px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 11px;
  color: var(--text-secondary);
  font-size: 10px;
  line-height: 1.45;
}

.alignment-pick-tip .icon {
  width: 17px;
  height: 17px;
  margin-top: 1px;
  color: var(--accent-strong);
}

.alignment-pick-tip strong {
  display: block;
  margin-bottom: 1px;
  color: var(--text-primary);
  font-size: 10px;
}

.snap-align-pick-tip {
  margin-top: 12px;
}

.snap-align-pick-tip > span > span {
  display: block;
}

.snap-align-steps {
  display: grid;
  gap: 8px;
}

.snap-align-step {
  display: grid;
  gap: 7px;
  padding: 10px 11px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.snap-align-step.is-active {
  border-color: var(--accent);
}

.snap-align-step[data-state="complete"] {
  background: var(--accent-soft);
  border-color: var(--accent-soft-strong);
}

.snap-align-step header {
  display: flex;
  align-items: center;
  gap: 8px;
}

.snap-align-step header > span:last-child {
  display: grid;
  gap: 1px;
}

.snap-align-step header small,
.snap-align-coordinates {
  color: var(--text-tertiary);
  font-size: 9px;
}

.snap-align-step header strong,
.snap-align-value {
  color: var(--text-primary);
  font-size: 10px;
}

.snap-align-step-number {
  display: grid;
  width: 22px;
  height: 22px;
  place-items: center;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 720;
}

.snap-align-step.is-active .snap-align-step-number,
.snap-align-step[data-state="complete"] .snap-align-step-number {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.snap-align-value,
.snap-align-coordinates {
  overflow-wrap: anywhere;
}

.snap-align-step-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

.snap-align-step-actions .alignment-adjust-button {
  min-height: 33px;
  padding: 4px 6px;
  border-radius: 9px;
  font-size: 9px;
}

.inspect-results[hidden] {
  display: none;
}

.inspect-step,
.inspect-reference-section {
  margin-top: 12px;
}

.inspect-step-heading {
  display: flex;
  align-items: center;
  gap: 8px;
}

.inspect-step-heading > span:last-child {
  display: grid;
  gap: 1px;
}

.inspect-step-heading small {
  color: var(--text-tertiary);
  font-size: 8px;
  font-weight: 640;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inspect-step-heading strong {
  color: var(--text-primary);
  font-size: 11px;
}

.inspect-step-number {
  display: grid;
  width: 23px;
  height: 23px;
  flex: 0 0 auto;
  place-items: center;
  background: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 50%;
  color: var(--accent-contrast);
  font-size: 9px;
  font-weight: 760;
}

.inspect-empty {
  margin-top: 8px;
  padding: 14px 12px;
}

.inspect-empty[data-state="ready"] {
  background: var(--accent-soft);
  border-color: var(--accent-soft-strong);
}

.inspect-empty[data-state="ready"] > .icon {
  color: var(--accent-strong);
}

.inspect-empty[data-state="error"] {
  border-color: var(--danger);
}

.inspect-reference-section {
  padding: 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 11px;
}

.inspect-axis-buttons {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 5px;
  margin-top: 9px;
}

.inspect-axis-buttons button {
  display: grid;
  min-width: 0;
  min-height: 43px;
  align-content: center;
  gap: 1px;
  padding: 4px 3px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-secondary);
  cursor: pointer;
}

.inspect-axis-buttons button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.inspect-axis-buttons button.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.inspect-axis-buttons strong {
  font-size: 12px;
}

.inspect-axis-buttons small {
  overflow: hidden;
  color: currentColor;
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.inspect-reference-field {
  margin-top: 9px;
}

.inspect-reference-section .alignment-hint {
  margin-top: 7px;
}

.inspect-results {
  display: grid;
  gap: 9px;
  margin-top: 12px;
}

.inspect-primary-result {
  display: grid;
  gap: 3px;
  padding: 11px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-strong);
  border-radius: 11px;
}

.inspect-primary-result > span {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 680;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.inspect-primary-result strong {
  color: var(--text-primary);
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

.inspect-primary-result output {
  color: var(--accent-strong);
  font-size: 10px;
  font-weight: 680;
  font-variant-numeric: tabular-nums;
}

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

.inspect-value-grid > div {
  display: grid;
  min-width: 0;
  gap: 3px;
  padding: 8px 9px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 9px;
}

.inspect-value-grid span,
.inspect-detail-list dt {
  color: var(--text-tertiary);
  font-size: 8px;
  font-weight: 650;
}

.inspect-value-grid output,
.inspect-detail-list dd {
  overflow-wrap: anywhere;
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 670;
  font-variant-numeric: tabular-nums;
}

.inspect-detail-list {
  display: grid;
  gap: 0;
  margin: 0;
  border: 1px solid var(--border);
  border-radius: 9px;
  overflow: hidden;
}

.inspect-detail-list > div {
  display: grid;
  gap: 3px;
  padding: 8px 9px;
  background: var(--surface-solid);
}

.inspect-detail-list > div + div {
  border-top: 1px solid var(--border);
}

.inspect-detail-list dt,
.inspect-detail-list dd {
  margin: 0;
}

.inspect-actions {
  grid-template-columns: 1fr;
}

.alignment-fields {
  display: grid;
  gap: 10px;
}

.alignment-summary {
  margin-top: 12px;
  padding: 10px 11px;
  background: var(--accent-soft);
  border: 1px solid var(--accent-soft-strong);
  border-radius: 11px;
  color: var(--accent-strong);
  font-size: 10px;
  font-weight: 670;
  line-height: 1.45;
}

.alignment-adjustments {
  margin-top: 10px;
}

.alignment-adjust-button[aria-pressed="true"] {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.alignment-empty {
  display: grid;
  justify-items: center;
  gap: 6px;
  margin-top: 14px;
  padding: 18px 14px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 14px;
  text-align: center;
}

.alignment-empty > .icon {
  width: 28px;
  height: 28px;
  margin-bottom: 2px;
  color: var(--accent);
}

.alignment-empty strong {
  font-size: 12px;
}

.alignment-empty > span {
  color: var(--text-tertiary);
  font-size: 10px;
  line-height: 1.45;
}

.alignment-empty .alignment-adjust-button {
  width: 100%;
  margin-top: 5px;
}

@keyframes alignment-spin {
  to {
    transform: rotate(360deg);
  }
}

.origin-plane-list {
  display: grid;
  gap: 6px;
  margin-top: 8px;
}

.origin-plane-toggle {
  display: flex;
  width: 100%;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 10px 8px 12px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.origin-plane-toggle > span:first-child {
  display: grid;
  gap: 1px;
}

.origin-plane-toggle strong {
  font-size: 12px;
  font-weight: 690;
}

.origin-plane-toggle small {
  color: var(--text-tertiary);
  font-size: 10px;
}

.toggle-track {
  position: relative;
  width: 34px;
  height: 20px;
  flex: 0 0 auto;
  background: var(--border-strong);
  border-radius: 999px;
  transition: background-color 140ms ease;
}

.toggle-track span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: var(--surface-solid);
  border-radius: 50%;
  transition: transform 140ms ease;
}

.origin-plane-toggle.is-active .toggle-track {
  background: var(--accent);
}

.origin-plane-toggle.is-active .toggle-track span {
  transform: translateX(14px);
}

.model-center-section {
  margin-top: 15px;
}

.model-center-card {
  display: grid;
  gap: 10px;
  margin-top: 8px;
  padding: 10px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.model-center-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
}

.model-center-symbol {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 9px;
  color: var(--accent-strong);
}

.model-center-symbol .icon {
  width: 17px;
  height: 17px;
}

.model-center-copy {
  display: grid;
  min-width: 0;
  gap: 1px;
}

.model-center-copy strong {
  font-size: 11px;
  font-weight: 710;
}

.model-center-copy small {
  overflow: hidden;
  color: var(--text-tertiary);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-center-coordinates {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 8px;
  padding: 8px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
}

.model-center-coordinates span {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 680;
  text-transform: uppercase;
}

.model-center-coordinates strong {
  overflow: hidden;
  font-size: 9px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.model-center-use {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  border-radius: 10px;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 10px;
  font-weight: 710;
}

.model-center-use:hover:not(:disabled) {
  background: var(--surface-hover);
}

.model-center-use:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.model-center-use .icon {
  width: 14px;
  height: 14px;
}

.plane-mode-section {
  margin-top: 15px;
}

.plane-mode-switch {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
  margin-top: 8px;
  padding: 4px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 13px;
}

.plane-mode-button {
  display: grid;
  min-width: 0;
  min-height: 48px;
  align-content: center;
  justify-items: start;
  gap: 2px;
  padding: 6px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 9px;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
}

.plane-mode-button strong {
  font-size: 11px;
  font-weight: 720;
}

.plane-mode-button small {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 590;
}

.plane-mode-button:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.plane-mode-button.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.plane-mode-button.is-active small {
  color: var(--accent-strong);
}

.plane-mode-description {
  min-height: 15px;
  margin: 7px 1px 0;
  color: var(--text-tertiary);
  font-size: 9px;
  line-height: 1.45;
}

.method-section,
.workbench-fields,
.reference-selection,
.bounds-readout,
.created-section {
  margin-top: 15px;
}

.workbench-label {
  margin: 0;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.plane-methods {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
  margin-top: 8px;
}

.plane-methods[hidden],
.model-center-section[hidden] {
  display: none;
}

.method-button {
  min-height: 34px;
  padding: 0 9px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-weight: 650;
}

.method-button:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

.method-button.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.method-description {
  min-height: 31px;
  margin: 8px 1px 0;
  color: var(--text-tertiary);
  font-size: 10px;
  line-height: 1.5;
}

.workbench-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.workbench-field {
  display: grid;
  min-width: 0;
  gap: 5px;
}

.workbench-field[hidden] {
  display: none;
}

.workbench-field > span:first-child {
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 650;
}

.workbench-field > input,
.workbench-field select,
.unit-input {
  width: 100%;
  min-width: 0;
  height: 36px;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--text-primary);
}

.workbench-field > input,
.workbench-field select {
  padding: 0 9px;
  outline: 0;
  font-size: 11px;
}

.workbench-field select {
  appearance: none;
  background-image: none;
  cursor: pointer;
}

.workbench-field > input:focus,
.workbench-field select:focus,
.unit-input:focus-within {
  border-color: var(--accent);
}

.unit-input {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0 8px;
}

.unit-input input {
  width: 100%;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  outline: 0;
  font-size: 11px;
}

.unit-input small {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 720;
  text-transform: uppercase;
}

.reference-selection {
  padding: 11px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.reference-selection[hidden] {
  display: none;
}

.selection-heading,
.created-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.selection-heading strong {
  display: block;
  margin-top: 3px;
  font-size: 11px;
  font-weight: 710;
}

.reference-selection > p {
  margin: 8px 0 0;
  color: var(--text-tertiary);
  font-size: 10px;
}

.text-button {
  padding: 4px 6px;
  background: transparent;
  border-radius: 7px;
  color: var(--accent-strong);
  cursor: pointer;
  font-size: 10px;
  font-weight: 680;
}

.text-button:hover:not(:disabled) {
  background: var(--accent-soft);
}

.text-button:disabled {
  color: var(--text-tertiary);
  cursor: default;
  opacity: 0.55;
}

.selection-dots {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  min-height: 8px;
  margin-top: 9px;
}

.selection-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border: 2px solid var(--surface-solid);
  border-radius: 50%;
}

.bounds-readout {
  display: grid;
  gap: 8px;
  padding: 11px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 14px;
}

.bounds-readout[hidden] {
  display: none;
}

.bounds-readout div {
  display: grid;
  gap: 2px;
}

.bounds-readout span {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 680;
  text-transform: uppercase;
}

.bounds-readout strong {
  overflow: hidden;
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.create-plane-button {
  display: flex;
  width: 100%;
  min-height: 43px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  background: var(--accent);
  border-radius: 13px;
  color: var(--accent-contrast);
  cursor: pointer;
  font-size: 12px;
  font-weight: 710;
}

.create-plane-button:hover:not(:disabled) {
  background: var(--accent-hover);
}

.create-plane-button:disabled {
  cursor: not-allowed;
  opacity: 0.48;
}

.create-plane-button .icon {
  width: 17px;
  height: 17px;
}

.created-heading {
  margin-bottom: 8px;
}

.created-plane-list {
  display: grid;
  gap: 6px;
}

.empty-planes {
  margin: 0;
  padding: 12px;
  background: var(--surface-muted);
  border-radius: 11px;
  color: var(--text-tertiary);
  font-size: 10px;
  text-align: center;
}

.created-plane-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 7px;
  min-height: 39px;
  padding: 5px 6px 5px 9px;
  background: var(--surface-solid);
  border: 1px solid var(--border);
  border-radius: 11px;
}

.plane-color {
  width: 8px;
  height: 8px;
  background: var(--plane-color, var(--accent));
  border-radius: 50%;
}

.plane-row-copy {
  min-width: 0;
}

.plane-row-copy strong,
.plane-row-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.plane-row-copy strong {
  font-size: 10px;
  font-weight: 690;
}

.plane-row-copy small {
  color: var(--text-tertiary);
  font-size: 9px;
}

.plane-row-action {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  background: transparent;
  border-radius: 8px;
  color: var(--text-tertiary);
  cursor: pointer;
}

.plane-row-action:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.plane-row-action.is-hidden {
  opacity: 0.42;
}

.plane-row-action .icon {
  width: 15px;
  height: 15px;
}

.right-rail {
  position: absolute;
  z-index: 15;
  top: 96px;
  right: 22px;
  display: flex;
  width: 364px;
  max-height: calc(100% - 118px);
  flex-direction: column;
  gap: 10px;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.display-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 5px;
  border-radius: 20px;
}

.display-tab {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 45px;
  padding: 0 10px;
  background: transparent;
  border-left: 1px solid transparent;
  border-radius: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 13px;
  font-weight: 640;
  transition: background-color 140ms ease, color 140ms ease;
}

.display-tab + .display-tab {
  border-left-color: var(--border);
}

.display-tab:hover {
  color: var(--text-primary);
}

.display-tab:disabled {
  color: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.42;
}

.display-tab:disabled:hover {
  color: var(--text-tertiary);
}

.display-tab.is-active {
  background: var(--surface-solid);
  color: var(--accent-strong);
}

.display-tab.is-active + .display-tab,
.display-tab + .display-tab.is-active {
  border-left-color: transparent;
}

.transform-card {
  padding: 18px;
  border-radius: 24px;
}

.history-panel {
  flex: 0 0 auto;
  overflow: hidden;
  border-radius: 20px;
}

.history-panel-toggle {
  display: flex;
  width: 100%;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 13px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.history-panel-toggle:hover {
  background: var(--surface-hover);
}

.history-panel-heading,
.history-panel-meta {
  display: flex;
  min-width: 0;
  align-items: center;
}

.history-panel-heading {
  gap: 10px;
}

.history-panel-heading > .icon {
  width: 20px;
  height: 20px;
  color: var(--accent);
}

.history-panel-heading > span {
  min-width: 0;
}

.history-panel-heading small,
.history-panel-heading strong {
  display: block;
}

.history-panel-heading small {
  margin-bottom: 1px;
  color: var(--text-tertiary);
  font-size: 8px;
  font-weight: 760;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.history-panel-heading strong {
  overflow: hidden;
  font-size: 13px;
  font-weight: 720;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-panel-meta {
  flex: 0 0 auto;
  gap: 7px;
  color: var(--text-tertiary);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  font-weight: 680;
}

.history-panel-chevron {
  width: 15px;
  height: 15px;
  transition: transform 150ms ease;
}

.history-panel-toggle[aria-expanded="true"] .history-panel-chevron {
  transform: rotate(180deg);
}

.history-panel-body {
  border-top: 1px solid var(--border);
}

.history-panel-body[hidden] {
  display: none;
}

.history-list {
  position: relative;
  display: grid;
  max-height: 180px;
  gap: 2px;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 6px;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.history-entry {
  display: grid;
  min-width: 0;
  min-height: 43px;
  grid-template-columns: 10px 29px minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  padding: 5px 8px;
  background: transparent;
  border-radius: 10px;
  color: var(--text-secondary);
  cursor: pointer;
  text-align: left;
  transition: background-color 120ms ease, color 120ms ease, opacity 120ms ease;
}

.history-entry:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.history-entry.is-current {
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.history-entry.is-future {
  opacity: 0.5;
}

.history-entry.is-future:hover:not(:disabled) {
  opacity: 0.82;
}

.history-entry:disabled {
  cursor: not-allowed;
}

.history-entry-marker {
  width: 7px;
  height: 7px;
  justify-self: center;
  background: var(--border-strong);
  border-radius: 50%;
}

.history-entry.is-current .history-entry-marker {
  background: var(--accent);
}

.history-entry-icon {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-tertiary);
}

.history-entry.is-current .history-entry-icon {
  background: var(--surface-solid);
  border-color: var(--accent-soft-strong);
  color: var(--accent-strong);
}

.history-entry-icon .icon {
  width: 15px;
  height: 15px;
}

.history-entry-copy {
  min-width: 0;
}

.history-entry-copy strong,
.history-entry-copy small {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.history-entry-copy strong {
  color: inherit;
  font-size: 10px;
  font-weight: 690;
}

.history-entry-copy small {
  margin-top: 1px;
  color: var(--text-tertiary);
  font-size: 8px;
}

.history-panel-note {
  margin: 0;
  padding: 8px 13px 10px;
  border-top: 1px solid var(--border);
  color: var(--text-tertiary);
  font-size: 9px;
  line-height: 1.45;
}

.card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 2px;
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 760;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card-heading h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 720;
  letter-spacing: -0.02em;
}

.selection-chip {
  max-width: 132px;
  overflow: hidden;
  padding: 6px 9px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 9px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gizmo-controls {
  padding-bottom: 15px;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border);
}

.gizmo-heading-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}

.gizmo-heading-row > span {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 680;
}

.gizmo-heading-row small {
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 620;
}

.gizmo-control-row {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 8px;
}

.gizmo-segment {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  min-width: 0;
  padding: 3px;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: 12px;
}

.gizmo-option {
  display: flex;
  min-width: 0;
  min-height: 35px;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 0 7px;
  background: transparent;
  border-radius: 9px;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 11px;
  font-weight: 680;
  transition: background-color 140ms ease, color 140ms ease;
}

.gizmo-option:hover {
  color: var(--text-primary);
}

.gizmo-option.is-active {
  background: var(--surface-solid);
  color: var(--accent-strong);
}

.gizmo-option:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.gizmo-option .icon {
  width: 15px;
  height: 15px;
}

.gizmo-space-segment .gizmo-option {
  padding: 0 5px;
}

.gizmo-snap-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.gizmo-snap-control {
  display: grid;
  min-width: 0;
  gap: 7px;
  padding: 9px;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 11px;
}

.gizmo-snap-heading {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 700;
}

.gizmo-snap-heading input {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
}

.gizmo-toggle-track {
  position: relative;
  width: 28px;
  height: 16px;
  flex: 0 0 auto;
  background: var(--surface-muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  cursor: pointer;
  transition: background-color 140ms ease, border-color 140ms ease;
}

.gizmo-toggle-track > span {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 10px;
  height: 10px;
  background: var(--text-tertiary);
  border-radius: 50%;
  transition: background-color 140ms ease, transform 140ms ease;
}

.gizmo-snap-heading input:checked + .gizmo-toggle-track {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.gizmo-snap-heading input:checked + .gizmo-toggle-track > span {
  background: var(--accent);
  transform: translateX(12px);
}

.gizmo-snap-heading input:focus-visible + .gizmo-toggle-track {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
}

.gizmo-snap-heading input:disabled + .gizmo-toggle-track {
  cursor: not-allowed;
  opacity: 0.42;
}

.gizmo-snap-value {
  display: flex;
  min-width: 0;
  height: 28px;
  align-items: center;
  gap: 5px;
  padding: 0 7px;
  background: var(--surface-muted);
  border: 1px solid transparent;
  border-radius: 8px;
}

.gizmo-snap-value:focus-within {
  border-color: var(--accent);
}

.gizmo-snap-value input {
  width: 100%;
  min-width: 0;
  padding: 0;
  appearance: textfield;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text-primary);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.gizmo-snap-value input::-webkit-outer-spin-button,
.gizmo-snap-value input::-webkit-inner-spin-button {
  margin: 0;
  appearance: none;
}

.gizmo-snap-value input:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.gizmo-snap-value small {
  color: var(--text-tertiary);
  font-size: 9px;
  font-weight: 680;
  text-transform: uppercase;
}

.transform-group + .transform-group {
  margin-top: 15px;
}

.group-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 20px;
  margin-bottom: 7px;
}

.group-label-row label {
  color: var(--text-primary);
  font-size: 12px;
  font-weight: 680;
}

.group-label-row > span {
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 650;
  text-transform: uppercase;
}

.field-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.axis-field {
  display: flex;
  min-width: 0;
  height: 38px;
  align-items: center;
  gap: 6px;
  padding: 0 9px;
  background: var(--surface-solid);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  transition: border-color 140ms ease;
}

.axis-field:focus-within {
  border-color: var(--accent);
}

.axis-field > span {
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 760;
}

.axis-field input {
  width: 100%;
  min-width: 0;
  padding: 0;
  background: transparent;
  border: 0;
  outline: 0;
  color: var(--text-primary);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.axis-field input::-webkit-outer-spin-button,
.axis-field input::-webkit-inner-spin-button {
  margin: 0;
  appearance: none;
}

.axis-field input[type="number"] {
  appearance: textfield;
}

.link-button {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  background: transparent;
  border-radius: 7px;
  color: var(--text-tertiary);
  cursor: pointer;
}

.link-button:hover {
  background: var(--surface-hover);
}

.link-button.is-linked {
  color: var(--accent);
}

.link-button .icon {
  grid-area: 1 / 1;
  width: 17px;
  height: 17px;
}

.link-button .unlink-icon,
.link-button:not(.is-linked) .link-icon {
  display: none;
}

.link-button:not(.is-linked) .unlink-icon {
  display: block;
}

.primary-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  min-height: 50px;
  margin-top: 20px;
  padding: 0 18px;
  background: var(--accent);
  border-radius: 16px;
  color: var(--accent-contrast);
  cursor: pointer;
  font-weight: 700;
  transition: background-color 150ms ease, transform 150ms ease;
}

.primary-button:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}

.primary-button:active {
  transform: translateY(0);
}

.view-toolbar {
  position: absolute;
  z-index: 14;
  bottom: 26px;
  left: 50%;
  display: flex;
  align-items: center;
  gap: 4px;
  height: 62px;
  padding: 7px 10px;
  border-radius: 22px;
  transform: translateX(-50%);
}

.view-button {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  background: transparent;
  border-radius: 14px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background-color 140ms ease, color 140ms ease;
}

.view-button:hover,
.view-button.is-active {
  background: var(--surface-solid);
  color: var(--text-primary);
}

.view-button .icon {
  width: 25px;
  height: 25px;
}

.toolbar-divider {
  width: 1px;
  height: 24px;
  margin: 0 4px;
  background: var(--border-strong);
}

.view-cube {
  position: absolute;
  z-index: 18;
  right: 28px;
  bottom: 25px;
  display: grid;
  width: 112px;
  height: 138px;
  justify-items: center;
  user-select: none;
}

.view-cube-canvas {
  display: block;
  width: 112px;
  height: 112px;
  background: transparent;
  cursor: default;
  touch-action: none;
}

.view-cube-canvas.is-hovering {
  cursor: pointer;
}

.view-cube-label {
  position: absolute;
  top: -23px;
  right: 50%;
  max-width: 104px;
  padding: 2px 6px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--surface-solid);
  color: var(--text-secondary);
  font-size: 9px;
  font-weight: 700;
  line-height: 15px;
  opacity: 0;
  pointer-events: none;
  text-overflow: ellipsis;
  transform: translateX(50%);
  transition: opacity 100ms ease;
  white-space: nowrap;
}

.view-cube.is-hovering .view-cube-label,
.view-cube.is-announcing .view-cube-label {
  opacity: 1;
}

.view-cube-home {
  display: grid;
  width: 28px;
  height: 24px;
  margin-top: -1px;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: 2px;
  background: var(--surface-solid);
  color: var(--text-secondary);
  cursor: pointer;
}

.view-cube-home:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.view-cube-home .icon {
  width: 15px;
  height: 15px;
}

.model-status {
  position: absolute;
  z-index: 16;
  top: 92px;
  left: 50%;
  display: flex;
  max-width: 280px;
  height: 34px;
  align-items: center;
  gap: 8px;
  padding: 0 8px 0 11px;
  border-radius: 999px;
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 620;
  transform: translateX(-50%);
}

.model-status[hidden] {
  display: none;
}

.model-status > span:not(.status-dot) {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  background: var(--accent);
  border-radius: 50%;
}

.model-status button {
  display: grid;
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
  place-items: center;
  background: transparent;
  border-radius: 50%;
  color: var(--text-tertiary);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.model-status button:not(:disabled):hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.shortcut-hint {
  position: absolute;
  z-index: 4;
  right: 412px;
  bottom: 24px;
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text-tertiary);
  font-size: 10px;
  font-weight: 570;
  pointer-events: none;
}

.shortcut-hint kbd {
  padding: 2px 5px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 5px;
  color: var(--text-secondary);
  font: inherit;
}

.toast {
  position: absolute;
  z-index: 30;
  left: 50%;
  bottom: 104px;
  max-width: min(440px, calc(100% - 32px));
  padding: 11px 15px;
  background: var(--text-primary);
  border-radius: 12px;
  color: var(--workspace-background);
  font-size: 12px;
  font-weight: 620;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1180px) {
  .left-rail {
    left: 18px;
    width: 204px;
  }

  .left-rail.is-workbench-mode {
    width: 330px;
  }

  .right-rail {
    right: 18px;
    width: 338px;
  }

  .action-button {
    min-width: 142px;
    padding: 0 16px;
  }

  .shortcut-hint {
    display: none;
  }
}

@media (max-width: 960px) {
  .workspace {
    min-height: 780px;
  }

  .topbar {
    padding-right: 18px;
    padding-left: 16px;
  }

  .brand {
    font-size: 20px;
  }

  .brand img {
    width: 62px;
  }

  .action-button {
    width: 46px;
    min-width: 46px;
    padding: 0;
  }

  .action-button span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .left-rail {
    top: 86px;
    left: 16px;
    right: 16px;
    width: auto;
    flex-direction: row;
  }

  .left-rail.is-workbench-mode {
    right: auto;
    width: 340px;
    height: calc(100% - 112px);
    flex-direction: column;
  }

  .tool-panel {
    flex: 1;
    flex-direction: row;
    padding: 7px;
    border-radius: 20px;
  }

  .rail-button {
    justify-content: center;
    min-width: 0;
    padding: 0 9px;
    text-align: center;
  }

  .rail-button span {
    font-size: 11px;
  }

  .right-rail {
    top: 154px;
    right: 16px;
    width: 326px;
    max-height: calc(100% - 180px);
  }

  .model-status {
    top: 158px;
    left: 18px;
    max-width: calc(100% - 378px);
    transform: none;
  }

  .view-cube {
    bottom: 18px;
    right: 18px;
  }
}

@media (max-width: 700px) {
  body {
    padding: 0;
  }

  .app-shell,
  .workspace {
    min-height: 940px;
    height: 100svh;
  }

  .workspace {
    border: 0;
    border-radius: 0;
  }

  .drop-overlay {
    inset: 8px;
    padding: 16px;
    border-radius: 18px;
  }

  .drop-card {
    width: min(300px, 100%);
    min-height: 190px;
    padding: 26px 20px;
    border-radius: 20px;
  }

  .topbar {
    height: 74px;
    gap: 10px;
    padding: 10px 12px;
  }

  .brand {
    gap: 2px;
    font-size: 18px;
  }

  .brand img {
    width: 50px;
    height: 42px;
  }

  .header-actions {
    gap: 6px;
  }

  .history-actions {
    height: 42px;
    padding: 2px;
  }

  .history-button {
    width: 36px;
    height: 36px;
  }

  .action-button,
  .theme-toggle {
    width: 42px;
    min-width: 42px;
    height: 42px;
  }

  .left-rail {
    top: 76px;
    left: 10px;
    right: 10px;
  }

  .left-rail.is-workbench-mode {
    right: 10px;
    width: auto;
    height: 342px;
  }

  .plane-workbench,
  .alignment-workbench {
    border-radius: 20px;
  }

  .workbench-header {
    padding: 13px 14px 11px;
  }

  .workbench-scroll {
    padding: 11px 13px 14px;
  }

  .tool-panel {
    gap: 2px;
    width: 100%;
    padding: 5px;
  }

  .rail-button {
    min-height: 44px;
    flex: 1 1 20%;
    padding: 0;
  }

  .rail-button .icon {
    width: 21px;
    height: 21px;
  }

  .rail-button span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .right-rail {
    top: auto;
    right: 10px;
    bottom: 10px;
    left: 10px;
    width: auto;
    max-height: calc(100% - 86px);
    gap: 7px;
  }

  .display-tabs {
    padding: 4px;
    border-radius: 17px;
  }

  .display-tab {
    min-height: 41px;
  }

  .transform-card {
    order: 2;
    padding: 15px;
    border-radius: 20px;
  }

  .history-panel {
    order: 1;
    border-radius: 18px;
  }

  .history-panel-toggle {
    min-height: 52px;
    padding: 7px 12px;
  }

  .history-list {
    max-height: 130px;
  }

  .history-panel-note {
    display: none;
  }

  .card-heading {
    margin-bottom: 12px;
  }

  .card-heading h1 {
    font-size: 18px;
  }

  .transform-group + .transform-group {
    margin-top: 11px;
  }

  .axis-field {
    height: 36px;
  }

  .primary-button {
    min-height: 46px;
    margin-top: 15px;
  }

  .view-toolbar {
    bottom: 570px;
    height: 54px;
    padding: 5px 7px;
    border-radius: 18px;
  }

  .view-button {
    width: 41px;
    height: 41px;
    border-radius: 12px;
  }

  .view-button .icon {
    width: 22px;
    height: 22px;
  }

  .view-cube {
    right: 12px;
    bottom: 562px;
    width: 88px;
    height: 112px;
  }

  .view-cube-canvas {
    width: 88px;
    height: 88px;
  }

  .model-status {
    top: 133px;
    left: 50%;
    max-width: calc(100% - 24px);
    transform: translateX(-50%);
  }

  .toast {
    bottom: 636px;
  }
}

@media (max-width: 420px) {
  .brand span {
    font-size: 16px;
  }

  .brand img {
    width: 44px;
  }

  .display-tab {
    gap: 6px;
    padding: 0 6px;
    font-size: 11px;
  }

  .field-row {
    gap: 5px;
  }

  .axis-field {
    gap: 4px;
    padding: 0 7px;
  }

  .axis-field input {
    font-size: 11px;
  }

  .selection-chip {
    max-width: 110px;
  }

  .plane-methods {
    gap: 5px;
  }

  .method-button {
    padding: 0 6px;
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* CAD workspace layout */
:root {
  --cad-topbar-height: 48px;
  --cad-statusbar-height: 40px;
  --cad-tool-width: 78px;
  --cad-browser-width: 272px;
  --cad-left-width: calc(var(--cad-tool-width) + var(--cad-browser-width));
  --cad-inspector-width: 338px;
  --cad-chrome: #d7d7d7;
  --cad-panel: #dedede;
  --cad-panel-raised: #e8e8e8;
  --cad-panel-deep: #cccccc;
  --cad-line: rgba(25, 25, 25, 0.24);
  --cad-line-soft: rgba(25, 25, 25, 0.13);
  --cad-accent: #087fae;
  --surface: var(--cad-panel);
  --surface-solid: var(--cad-panel-raised);
  --surface-muted: var(--cad-panel-deep);
  --surface-hover: #c5c5c5;
  --border: var(--cad-line-soft);
  --border-strong: var(--cad-line);
  --accent: var(--cad-accent);
  --accent-hover: #056d96;
  --accent-soft: rgba(8, 127, 174, 0.16);
  --accent-soft-strong: rgba(8, 127, 174, 0.38);
  --accent-strong: #035f82;
  --focus-ring: rgba(8, 127, 174, 0.4);
}

:root[data-theme="dark"] {
  --cad-chrome: #202020;
  --cad-panel: #292929;
  --cad-panel-raised: #323232;
  --cad-panel-deep: #242424;
  --cad-line: rgba(255, 255, 255, 0.2);
  --cad-line-soft: rgba(255, 255, 255, 0.1);
  --cad-accent: #2aaee6;
  --surface: var(--cad-panel);
  --surface-solid: var(--cad-panel-raised);
  --surface-muted: var(--cad-panel-deep);
  --surface-hover: #383838;
  --border: var(--cad-line-soft);
  --border-strong: var(--cad-line);
  --accent: var(--cad-accent);
  --accent-hover: #42bdf1;
  --accent-soft: rgba(42, 174, 230, 0.16);
  --accent-soft-strong: rgba(42, 174, 230, 0.42);
  --accent-strong: #67c9f2;
  --accent-contrast: #07151b;
  --focus-ring: rgba(42, 174, 230, 0.42);
}

*,
*::before,
*::after {
  box-shadow: none !important;
}

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

body {
  padding: 0;
  font-size: 13px;
}

.app-shell,
.workspace {
  width: 100%;
  min-height: 100svh;
  height: 100svh;
}

.workspace {
  border: 0;
  border-radius: 0;
  background: var(--canvas-background);
}

#viewportCanvas {
  top: var(--cad-topbar-height);
  right: auto;
  bottom: auto;
  left: var(--cad-left-width);
  width: calc(100% - var(--cad-left-width) - var(--cad-inspector-width));
  height: calc(100% - var(--cad-topbar-height) - var(--cad-statusbar-height));
}

.drop-overlay {
  z-index: 60;
  top: calc(var(--cad-topbar-height) + 10px);
  right: calc(var(--cad-inspector-width) + 10px);
  bottom: calc(var(--cad-statusbar-height) + 10px);
  left: calc(var(--cad-left-width) + 10px);
  border-radius: 2px;
  backdrop-filter: none;
}

.drop-card,
.drop-icon {
  border-radius: 2px;
}

.topbar {
  z-index: 40;
  height: var(--cad-topbar-height);
  gap: 0;
  padding: 0;
  background: var(--cad-chrome);
  border-bottom: 1px solid var(--cad-line);
  pointer-events: auto;
}

.topbar-start,
.header-actions {
  display: flex;
  min-width: 0;
  height: 100%;
  align-items: center;
}

.brand {
  width: 150px;
  height: 100%;
  gap: 4px;
  padding: 0 14px;
  border-right: 1px solid var(--cad-line);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.025em;
}

.brand img {
  width: 27px;
  height: 27px;
}

.cad-menu-bar {
  display: flex;
  height: 100%;
  align-items: stretch;
}

.cad-menu {
  position: relative;
  height: 100%;
}

.cad-menu summary {
  display: flex;
  height: 100%;
  align-items: center;
  padding: 0 14px;
  color: var(--text-secondary);
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.cad-menu summary::-webkit-details-marker {
  display: none;
}

.cad-menu summary:hover,
.cad-menu[open] summary {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.cad-menu-popover {
  position: absolute;
  z-index: 80;
  top: calc(100% + 1px);
  left: 0;
  display: grid;
  width: 224px;
  padding: 4px;
  background: var(--cad-panel);
  border: 1px solid var(--cad-line);
}

.cad-menu-popover button {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 9px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
}

.cad-menu-popover button:hover:not(:disabled) {
  background: var(--surface-hover);
}

.cad-menu-popover button:disabled {
  color: var(--text-tertiary);
  cursor: not-allowed;
  opacity: 0.48;
}

.cad-menu-popover kbd {
  color: var(--text-tertiary);
  font: inherit;
  font-size: 10px;
}

.header-actions {
  gap: 5px;
  padding: 0 8px;
}

.history-actions {
  height: 34px;
  padding: 0 7px;
  background: transparent;
  border: 0;
  border-left: 1px solid var(--cad-line);
  border-radius: 0;
  backdrop-filter: none;
}

.history-button {
  width: 34px;
  height: 34px;
  border-radius: 2px;
}

.action-button,
.theme-toggle {
  height: 34px;
  border-color: var(--cad-line);
  border-radius: 2px;
  background: transparent;
  backdrop-filter: none;
}

.action-button {
  min-width: 106px;
  gap: 7px;
  padding: 0 11px;
  font-size: 12px;
  font-weight: 580;
}

.theme-toggle {
  width: 34px;
}

.action-button:not(:disabled):hover,
.theme-toggle:hover,
.primary-button:hover {
  border-color: var(--accent);
  background: var(--surface-hover);
  transform: none;
}

.action-button .icon,
.theme-toggle .icon {
  width: 17px;
  height: 17px;
}

.left-rail {
  z-index: 25;
  top: var(--cad-topbar-height);
  bottom: var(--cad-statusbar-height);
  left: 0;
  display: grid;
  width: var(--cad-left-width);
  height: auto;
  grid-template-columns: var(--cad-tool-width) var(--cad-browser-width);
  gap: 0;
  background: var(--cad-panel);
  border-right: 1px solid var(--cad-line);
}

.left-rail.is-workbench-mode,
.left-rail.has-active-workbench {
  z-index: 25;
  width: var(--cad-left-width);
  height: auto;
}

.tool-panel {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  grid-column: 1;
  gap: 0;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 5px 3px;
  background: var(--cad-panel-deep);
  border: 0;
  border-right: 1px solid var(--cad-line);
  border-radius: 0;
  backdrop-filter: none;
  scrollbar-width: thin;
}

.tool-panel[hidden] {
  display: flex;
}

.rail-button {
  position: relative;
  display: flex;
  width: 100%;
  min-height: 66px;
  flex: 0 0 auto;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 5px 3px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 540;
  line-height: 1.15;
  text-align: center;
}

.rail-button .icon {
  width: 26px;
  height: 26px;
}

.rail-button:hover,
.rail-button.is-active {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.rail-button.is-active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.select-tool-button {
  order: 0;
}

.tool-gizmo-slot {
  display: block;
  order: 1;
}

#planeButton {
  order: 2;
}

[data-section="level"] {
  order: 3;
}

[data-section="rotation"] {
  order: 4;
}

#layFlatButton {
  order: 5;
}

#dropToBedButton {
  order: 6;
}

.tool-gizmo-slot .gizmo-segment {
  display: grid;
  grid-template-columns: 1fr;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.tool-gizmo-slot .gizmo-option {
  display: flex;
  width: 100%;
  min-height: 66px;
  flex-direction: column;
  gap: 6px;
  padding: 5px 3px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 540;
}

.tool-gizmo-slot .gizmo-option .icon {
  width: 27px;
  height: 27px;
}

.tool-gizmo-slot .gizmo-option:hover,
.tool-gizmo-slot .gizmo-option.is-active {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.tool-gizmo-slot .gizmo-option.is-active {
  border-color: var(--accent);
  color: var(--accent-strong);
}

.browser-panel {
  display: flex;
  min-width: 0;
  min-height: 0;
  flex-direction: column;
  grid-column: 2;
  overflow: hidden;
  background: var(--cad-panel);
}

.browser-header {
  display: flex;
  min-height: 38px;
  align-items: center;
  padding: 0 13px;
  border-bottom: 1px solid var(--cad-line);
}

.browser-header h2 {
  margin: 0;
  font-size: 12px;
  font-weight: 650;
}

.browser-tree {
  min-height: 0;
  flex: 1;
  overflow-y: auto;
  padding: 6px 0 12px;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.browser-model-row,
.browser-group > h3 {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 7px;
  margin: 0;
  color: var(--text-primary);
}

.browser-model-row {
  min-height: 40px;
  padding: 5px 10px;
  border-bottom: 1px solid var(--cad-line-soft);
}

.browser-model-row > .icon,
.browser-group > h3 .icon {
  width: 17px;
  height: 17px;
  color: var(--text-secondary);
}

.browser-model-row > span {
  display: grid;
  min-width: 0;
}

.browser-model-row strong,
.browser-model-row small {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.browser-model-row strong {
  font-size: 11px;
  font-weight: 650;
}

.browser-model-row small {
  color: var(--text-tertiary);
  font-size: 9px;
}

.browser-group {
  border-bottom: 1px solid var(--cad-line-soft);
}

.browser-group > h3 {
  min-height: 34px;
  padding: 0 10px;
  font-size: 11px;
  font-weight: 610;
}

.browser-slot {
  min-width: 0;
}

.browser-slot > .origin-plane-section,
.browser-slot > .created-section {
  margin: 0;
  padding: 0 8px 7px 27px;
  border: 0;
}

#browserOriginSlot > .origin-plane-section > .workbench-label,
#browserPlaneSlot .created-heading .workbench-label {
  display: none;
}

#browserOriginSlot .origin-plane-list {
  gap: 1px;
  margin: 0;
}

#browserOriginSlot .origin-plane-toggle {
  min-height: 32px;
  padding: 3px 5px 3px 8px;
  background: transparent;
  border: 0;
  border-radius: 2px;
}

#browserOriginSlot .origin-plane-toggle:hover {
  background: var(--surface-hover);
}

#browserOriginSlot .origin-plane-toggle strong {
  font-size: 10px;
}

#browserOriginSlot .origin-plane-toggle small {
  font-size: 8px;
}

#browserOriginSlot .toggle-track {
  width: 26px;
  height: 15px;
  border-radius: 8px;
}

#browserOriginSlot .toggle-track span {
  top: 2px;
  left: 2px;
  width: 11px;
  height: 11px;
}

#browserOriginSlot .origin-plane-toggle.is-active .toggle-track span {
  transform: translateX(11px);
}

#browserPlaneSlot .created-heading {
  min-height: 24px;
  justify-content: flex-end;
}

#browserPlaneSlot .created-plane-list {
  gap: 1px;
  margin: 0;
}

#browserPlaneSlot .created-plane-row {
  min-height: 34px;
  padding: 3px 2px 3px 6px;
  background: transparent;
  border: 0;
  border-radius: 2px;
}

#browserPlaneSlot .created-plane-row:hover {
  background: var(--surface-hover);
}

#browserPlaneSlot .empty-planes {
  margin: 0;
  padding: 7px;
  font-size: 9px;
}

#browserHistorySlot .history-panel {
  background: transparent;
  border: 0;
  border-radius: 0;
  backdrop-filter: none;
}

#browserHistorySlot .history-panel-toggle {
  min-height: 27px;
  justify-content: flex-end;
  padding: 0 9px;
}

#browserHistorySlot .history-panel-heading {
  display: none;
}

#browserHistorySlot .history-panel-body {
  border-top: 0;
}

#browserHistorySlot .history-list {
  max-height: 210px;
  padding: 2px 8px 8px 27px;
}

#browserHistorySlot .history-entry {
  min-height: 34px;
  grid-template-columns: 7px 22px minmax(0, 1fr);
  gap: 6px;
  padding: 3px 5px;
  border-radius: 2px;
}

#browserHistorySlot .history-entry-icon {
  width: 22px;
  height: 22px;
  border-radius: 2px;
}

#browserHistorySlot .history-panel-note {
  display: none;
}

.viewport-display-slot {
  position: absolute;
  z-index: 18;
  top: calc(var(--cad-topbar-height) + 8px);
  left: calc(var(--cad-left-width) + 10px);
}

.viewport-display-slot .display-tabs {
  width: 254px;
  padding: 2px;
  border-color: var(--cad-line);
  border-radius: 2px;
  background: var(--cad-panel);
  backdrop-filter: none;
}

.viewport-display-slot .display-tab {
  min-height: 30px;
  gap: 6px;
  padding: 0 8px;
  border-radius: 1px;
  font-size: 10px;
}

.viewport-display-slot .display-tab .icon {
  width: 15px;
  height: 15px;
}

.right-rail {
  z-index: 25;
  top: var(--cad-topbar-height);
  right: 0;
  bottom: var(--cad-statusbar-height);
  display: flex;
  width: var(--cad-inspector-width);
  max-height: none;
  gap: 0;
  overflow: hidden;
  background: var(--cad-panel);
  border-left: 1px solid var(--cad-line);
}

.inspector-panel {
  display: flex;
  min-height: 120px;
  flex: 1 1 auto;
  flex-direction: column;
  overflow: hidden;
  border-bottom: 1px solid var(--cad-line);
}

.inspector-empty {
  display: grid;
  min-height: 0;
  flex: 1;
  align-content: center;
  justify-items: center;
  gap: 7px;
  padding: 24px;
  color: var(--text-tertiary);
  text-align: center;
}

.inspector-empty[hidden] {
  display: none;
}

.inspector-empty .icon {
  width: 27px;
  height: 27px;
}

.inspector-empty strong {
  color: var(--text-secondary);
  font-size: 12px;
}

.inspector-empty span {
  max-width: 210px;
  font-size: 10px;
  line-height: 1.5;
}

.inspector-workbench-slot {
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.inspector-workbench-slot .plane-workbench,
.inspector-workbench-slot .alignment-workbench {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 0;
  background: var(--cad-panel);
  backdrop-filter: none;
}

.workbench-header {
  min-height: 40px;
  padding: 7px 11px;
  background: var(--cad-panel-deep);
  border-bottom-color: var(--cad-line);
}

.workbench-header h2 {
  font-size: 13px;
}

.workbench-header .eyebrow {
  font-size: 8px;
}

.icon-button {
  width: 27px;
  height: 27px;
  border: 1px solid var(--border);
  border-radius: 2px;
}

.workbench-scroll {
  padding: 10px 12px 14px;
}

.right-rail .transform-card {
  min-height: 0;
  max-height: 42%;
  flex: 0 1 360px;
  overflow-y: auto;
  padding: 11px 12px 13px;
  background: var(--cad-panel);
  border: 0;
  border-radius: 0;
  backdrop-filter: none;
  scrollbar-color: var(--border-strong) transparent;
  scrollbar-width: thin;
}

.right-rail.has-active-workbench .transform-card {
  max-height: 38%;
}

.transform-card .gizmo-controls {
  display: none;
}

.card-heading {
  margin-bottom: 10px;
}

.card-heading h1 {
  font-size: 14px;
}

.selection-chip {
  padding: 3px 6px;
  border-radius: 2px;
  font-size: 9px;
}

.transform-group + .transform-group {
  margin-top: 9px;
}

.group-label-row {
  min-height: 17px;
  margin-bottom: 4px;
}

.group-label-row label {
  font-size: 10px;
}

.field-row {
  gap: 5px;
}

.axis-field {
  height: 31px;
  gap: 4px;
  padding: 0 6px;
  border-radius: 2px;
}

.axis-field input {
  font-size: 10px;
}

.primary-button {
  min-height: 36px;
  margin-top: 11px;
  border-radius: 2px;
  font-size: 11px;
}

.cad-statusbar {
  position: absolute;
  z-index: 35;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  height: var(--cad-statusbar-height);
  align-items: center;
  gap: 0;
  padding: 0 8px;
  overflow: hidden;
  background: var(--cad-chrome);
  border-top: 1px solid var(--cad-line);
  color: var(--text-secondary);
}

.status-space-slot,
.status-snap-slot,
.status-snap-modes,
.status-help-slot {
  display: flex;
  height: 28px;
  align-items: center;
  padding: 0 9px;
  border-right: 1px solid var(--cad-line);
}

.status-space-slot {
  padding-left: 0;
}

.status-space-slot .gizmo-segment {
  display: grid;
  width: 132px;
  grid-template-columns: repeat(2, 1fr);
  padding: 1px;
  border-radius: 2px;
}

.status-space-slot .gizmo-option {
  min-height: 24px;
  border-radius: 1px;
  font-size: 10px;
}

.status-snap-slot .gizmo-snap-grid {
  display: flex;
  gap: 7px;
  margin: 0;
}

.status-snap-slot .gizmo-snap-control {
  display: flex;
  min-width: 142px;
  height: 27px;
  align-items: center;
  gap: 6px;
  padding: 0 5px;
  background: transparent;
  border: 0;
  border-radius: 0;
}

.status-snap-slot .gizmo-snap-heading {
  gap: 5px;
  white-space: nowrap;
}

.status-snap-slot .gizmo-toggle-track {
  width: 25px;
  height: 14px;
}

.status-snap-slot .gizmo-toggle-track > span {
  width: 8px;
  height: 8px;
}

.status-snap-slot .gizmo-snap-heading input:checked + .gizmo-toggle-track > span {
  transform: translateX(11px);
}

.status-snap-slot .gizmo-snap-value {
  width: 57px;
  height: 24px;
  padding: 0 5px;
  border: 1px solid var(--cad-line);
  border-radius: 2px;
}

.status-snap-modes {
  min-width: 0;
  gap: 2px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.status-snap-modes::-webkit-scrollbar {
  display: none;
}

.status-snap-modes > span,
.status-snap-button {
  padding: 3px 6px;
  border: 1px solid transparent;
  font-size: 9px;
  text-transform: uppercase;
}

.status-snap-modes > span:first-child {
  color: var(--text-tertiary);
}

.status-snap-button {
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.status-snap-button:hover:not(:disabled) {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.status-snap-button:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.status-snap-button.is-active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-strong);
}

.status-snap-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.snap-hint {
  position: fixed;
  z-index: 70;
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 25px;
  padding: 3px 8px;
  background: var(--cad-panel);
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--text-primary);
  font-size: 10px;
  pointer-events: none;
  transform: translate(14px, 14px);
}

.snap-hint[hidden] {
  display: none;
}

.snap-hint > span {
  width: 7px;
  height: 7px;
  background: var(--accent);
  border-radius: 50%;
}

.snap-hint strong {
  font-size: inherit;
  font-weight: 680;
}

#viewportCanvas.is-snap-hover:not(.is-transforming) {
  cursor: crosshair;
}

.status-help-slot {
  min-width: 0;
  flex: 1;
  justify-content: center;
}

.status-help-slot .shortcut-hint {
  position: static;
  display: flex;
  gap: 5px;
  color: var(--text-tertiary);
  font-size: 9px;
  pointer-events: none;
}

.status-help-slot .shortcut-hint kbd {
  padding: 1px 4px;
  border-radius: 2px;
}

.status-position {
  min-width: 244px;
  padding-left: 12px;
  color: var(--text-secondary);
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  white-space: nowrap;
}

.view-toolbar {
  z-index: 18;
  right: var(--cad-inspector-width);
  bottom: calc(var(--cad-statusbar-height) + 12px);
  left: var(--cad-left-width);
  width: max-content;
  height: 38px;
  gap: 1px;
  margin-inline: auto;
  padding: 2px 4px;
  border-radius: 32px;
  background: var(--cad-panel);
  backdrop-filter: none;
  transform: none;
}

.view-toolbar .history-actions {
  height: 32px;
  padding: 0;
  background: transparent;
  border: 0;
  border-radius: 0;
  backdrop-filter: none;
}

.view-toolbar .history-button {
  width: 32px;
  height: 32px;
}

.view-button {
  width: 32px;
  height: 32px;
  border-radius: 1px;
}

.view-button .icon {
  width: 18px;
  height: 18px;
}

.toolbar-divider {
  height: 20px;
}

.view-cube {
  right: calc(var(--cad-inspector-width) + 18px);
  bottom: calc(var(--cad-statusbar-height) + 13px);
}

.model-status {
  z-index: 19;
  top: calc(var(--cad-topbar-height) + 8px);
  left: calc(var(--cad-left-width) + 276px);
  height: 31px;
  border-radius: 2px;
  background: var(--cad-panel);
  backdrop-filter: none;
  transform: none;
}

.toast {
  right: var(--cad-inspector-width);
  bottom: calc(var(--cad-statusbar-height) + 62px);
  left: var(--cad-left-width);
  width: max-content;
  margin-inline: auto;
  border-radius: 2px;
  transform: translateY(8px);
}

.toast.is-visible {
  transform: translateY(0);
}

.plane-mode-button,
.method-button,
.workbench-field input,
.workbench-field select,
.unit-input,
.reference-selection,
.bounds-readout,
.create-plane-button,
.orientation-candidate,
.orientation-target-field,
.orientation-target-buttons button,
.orientation-candidate-type,
.alignment-status,
.alignment-empty,
.alignment-pick-tip,
.alignment-summary,
.alignment-adjust-button,
.alignment-analyze-button,
.alignment-apply-button,
.alignment-cancel-button,
.model-center-card,
.model-center-symbol,
.model-center-coordinates,
.model-center-use,
.inspect-primary-result,
.inspect-value-grid > div,
.inspect-detail-list,
.inspect-reference-section,
.inspect-axis-buttons button,
.text-button {
  border-radius: 2px;
}

@media (max-width: 1400px) {
  .status-help-slot {
    display: none;
  }
}

@media (max-width: 1180px) {
  :root {
    --cad-left-width: var(--cad-tool-width);
    --cad-inspector-width: 320px;
  }

  .left-rail,
  .left-rail.is-workbench-mode,
  .left-rail.has-active-workbench {
    width: var(--cad-tool-width);
    grid-template-columns: var(--cad-tool-width);
  }

  .browser-panel {
    display: none;
  }

  .status-help-slot {
    display: none;
  }
}

@media (max-width: 880px) {
  :root {
    --cad-tool-width: 64px;
    --cad-inspector-width: 292px;
  }

  .brand {
    width: 128px;
    padding: 0 10px;
    font-size: 15px;
  }

  .cad-menu summary {
    padding: 0 9px;
  }

  .action-button {
    width: 34px;
    min-width: 34px;
    padding: 0;
  }

  .action-button span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }

  .rail-button,
  .tool-gizmo-slot .gizmo-option {
    min-height: 60px;
    font-size: 9px;
  }

  .status-snap-slot {
    display: none;
  }

  .status-position {
    margin-left: auto;
  }
}

@media (max-width: 700px) {
  :root {
    --cad-tool-width: 58px;
    --cad-inspector-width: 0px;
  }

  .brand {
    width: auto;
    border-right: 0;
  }

  .brand span,
  .cad-menu-bar {
    display: none;
  }

  .header-actions {
    margin-left: auto;
  }

  #viewportCanvas {
    right: auto;
  }

  .drop-overlay {
    right: 10px;
  }

  .right-rail {
    top: auto;
    right: 0;
    bottom: var(--cad-statusbar-height);
    left: var(--cad-tool-width);
    width: auto;
    height: min(320px, 44svh);
    border-top: 1px solid var(--cad-line);
  }

  .right-rail.has-active-workbench {
    height: min(430px, 58svh);
  }

  .right-rail.has-active-workbench .transform-card {
    display: none;
  }

  .right-rail:not(.has-active-workbench) .inspector-panel {
    display: none;
  }

  .right-rail .transform-card {
    max-height: none;
    flex: 1;
  }

  .viewport-display-slot {
    left: calc(var(--cad-tool-width) + 6px);
  }

  .viewport-display-slot .display-tabs {
    width: 214px;
  }

  .viewport-display-slot .display-tab span {
    display: none;
  }

  .model-status {
    left: calc(var(--cad-tool-width) + 226px);
    max-width: calc(100% - var(--cad-tool-width) - 236px);
  }

  .view-cube {
    right: 12px;
    bottom: calc(var(--cad-statusbar-height) + min(320px, 44svh) + 12px);
    width: 88px;
    height: 112px;
  }

  .right-rail.has-active-workbench ~ .view-cube {
    bottom: calc(var(--cad-statusbar-height) + min(430px, 58svh) + 12px);
  }

  .view-cube-canvas {
    width: 88px;
    height: 88px;
  }

  .cad-statusbar {
    padding: 0 5px;
  }

  .status-space-slot {
    padding-right: 5px;
  }

  .status-space-slot .gizmo-segment {
    width: 106px;
  }

  .status-position {
    min-width: 0;
    overflow: hidden;
    font-size: 9px;
    text-overflow: ellipsis;
  }
}

@media (max-width: 420px) {
  .theme-toggle {
    display: none;
  }

  .viewport-display-slot .display-tabs {
    width: 150px;
  }

  .model-status {
    display: none;
  }

  .status-position {
    padding-left: 6px;
  }
}