:root {
  color-scheme: light;

  --bg: #eef1f5;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --panel-strong: #e5e7eb;
  --text: #111827;
  --muted: #64748b;
  --muted-strong: #475569;
  --border: #d7dde7;
  --border-strong: #b8c2d1;
  --primary: #2563eb;
  --primary-soft: rgba(37, 99, 235, 0.12);
  --primary-strong: #1d4ed8;
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.1);
  --warning: #f97316;
  --warning-soft: rgba(249, 115, 22, 0.12);
  --success: #16a34a;
  --selection: #38bdf8;
  --selection-soft: rgba(56, 189, 248, 0.16);
  --snap: #facc15;
  --snap-soft: rgba(250, 204, 21, 0.16);
  --axis-x: #ef4444;
  --axis-y: #22c55e;
  --axis-z: #3b82f6;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.08);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.12);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.22);
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;
  --header-h: 42px;
  --quickbar-h: 52px;
  --status-h: 38px;
  --left-w: 64px;
  --right-w: 390px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;

  --bg: #111827;
  --panel: #182235;
  --panel-soft: #111c2e;
  --panel-strong: #243149;
  --text: #f8fafc;
  --muted: #94a3b8;
  --muted-strong: #cbd5e1;
  --border: #334155;
  --border-strong: #475569;
  --primary: #60a5fa;
  --primary-soft: rgba(96, 165, 250, 0.14);
  --primary-strong: #93c5fd;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.13);
  --warning: #fb923c;
  --warning-soft: rgba(251, 146, 60, 0.16);
  --success: #4ade80;
  --selection: #7dd3fc;
  --selection-soft: rgba(125, 211, 252, 0.16);
  --snap: #fde047;
  --snap-soft: rgba(253, 224, 71, 0.16);
  --axis-x: #f87171;
  --axis-y: #4ade80;
  --axis-z: #60a5fa;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.32);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.48);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
}

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

button {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    transform 0.15s ease,
    box-shadow 0.15s ease;
}

button:hover {
  border-color: var(--primary);
  background: var(--primary-soft);
}

button:active {
  transform: translateY(1px);
}

button.primary,
.primary {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

button.primary:hover,
.primary:hover {
  border-color: var(--primary-strong);
  background: var(--primary-strong);
}

button.danger,
.danger {
  border-color: var(--danger);
  color: var(--danger);
  background: var(--danger-soft);
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  padding: 7px 9px;
  outline: none;
  transition:
    border-color 0.15s ease,
    box-shadow 0.15s ease,
    background 0.15s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

input:disabled,
select:disabled,
textarea:disabled {
  opacity: 0.58;
  cursor: not-allowed;
}

label {
  display: grid;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--muted-strong);
}

label > input,
label > select,
label > textarea {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

h1,
h2,
h3,
p {
  margin: 0;
}

h2 {
  font-size: 14px;
  letter-spacing: 0.01em;
}

h3 {
  margin-top: 12px;
  font-size: 11px;
  color: var(--muted-strong);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

[hidden] {
  display: none !important;
}

.app-shell {
  width: 100%;
  height: 100%;
  display: grid;
  grid-template-rows: var(--header-h) var(--quickbar-h) 1fr;
  background: var(--bg);
}

.app-header {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 14px;
  padding: 0 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  z-index: 10000;
  isolation: isolate;
}

.menu-bar {
  display: flex;
  align-items: center;
  gap: 4px;
}

.menu-button {
  height: 30px;
  padding: 0 10px;
  border-color: transparent;
  background: transparent;
  font-size: 13px;
  font-weight: 700;
}

.menu-button.is-open,
.menu-button:hover {
  background: var(--primary-soft);
  border-color: var(--border);
}

.project-title {
  justify-self: end;
  max-width: 42vw;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 700;
}

.project-title-editor {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: min(520px, 42vw);
  min-width: 0;
}

.project-name-prefix {
  flex: 0 0 auto;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 800;
}

.project-name-display {
  min-width: 0;
  max-width: 360px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border-color: transparent;
  background: transparent;
  color: var(--muted-strong);
  font-size: 13px;
  font-weight: 800;
}

.project-name-display:hover {
  border-color: var(--border);
  background: var(--primary-soft);
}

#projectNameDisplay {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-name-edit-icon {
  flex: 0 0 auto;
  opacity: 0.7;
}

.project-name-input {
  width: min(360px, 36vw);
  height: 30px;
  padding: 3px 8px;
  font-size: 13px;
  font-weight: 800;
}

.menu-dropdown {
  position: fixed;
  z-index: 10050;
  min-width: 250px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  max-height: calc(100vh - 12px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.menu-row {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  padding: 9px 10px;
  border-color: transparent;
  background: transparent;
  text-align: left;
  font-size: 13px;
}

.menu-row:hover {
  background: var(--primary-soft);
}

.menu-row.danger {
  color: var(--danger);
}

.menu-shortcut {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.menu-separator {
  height: 1px;
  margin: 6px 4px;
  background: var(--border);
}

.quickbar {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  overflow-x: auto;
  overflow-y: hidden;
  border-bottom: 1px solid var(--border);
  background: var(--panel-soft);
  scrollbar-width: thin;
  z-index: 20;
}

.quickbar::-webkit-scrollbar {
  height: 8px;
}

.quickbar::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 999px;
}

.quickbar-button {
  flex: 0 0 auto;
  min-width: 38px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 9px;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 800;
}

.quickbar-button.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(37, 99, 235, 0.25);
}

.quickbar-button.is-drag-sorting,
.quickbar-field.is-drag-sorting {
  opacity: 0.62;
  outline: 2px dashed var(--primary);
  outline-offset: 2px;
}

.quickbar-button.is-drop-target,
.quickbar-field.is-drop-target {
  border-color: var(--selection);
  box-shadow: 0 0 0 3px var(--selection-soft);
}

.quickbar-icon {
  min-width: 18px;
  text-align: center;
  font-weight: 900;
}

.quickbar-label {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.quickbar-field {
  flex: 0 0 auto;
  min-width: 102px;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: center;
  gap: 6px;
  padding: 4px 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  font-size: 11px;
  font-weight: 800;
  color: var(--muted-strong);
}

.quickbar-field select {
  height: 27px;
  padding: 2px 24px 2px 8px;
  border-radius: var(--radius-xs);
  font-size: 12px;
}

.quickbar-separator {
  flex: 0 0 auto;
  width: 1px;
  height: 28px;
  background: var(--border);
  margin: 0 2px;
}

.workspace {
  min-height: 0;
  display: grid;
  grid-template-columns: var(--left-w) minmax(260px, 1fr) var(--right-w);
  overflow: hidden;
}

.left-toolbar {
  min-height: 0;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--panel);
  padding: 8px 7px;
}

.icon-rail {
  display: grid;
  gap: 7px;
  justify-items: center;
}

.rail-separator {
  width: 28px;
  height: 1px;
  margin: 3px 0;
  background: var(--border);
}

.tool-panel {
  display: grid;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-soft);
  margin-bottom: 12px;
}

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

.tool-list {
  display: grid;
  gap: 8px;
}

.left-toolbar .tool-button {
  width: 44px;
  height: 42px;
  min-width: 0;
  min-height: 0;
  justify-content: center;
  padding: 0;
  border-radius: var(--radius-sm);
}

.left-toolbar .tool-button strong {
  display: none;
}

.tool-button {
  min-width: 0;
  min-height: 40px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  text-align: left;
  font-size: 12px;
  font-weight: 800;
}

.form-tool-grid .tool-button {
  display: grid;
  justify-items: center;
  gap: 5px;
  text-align: center;
}

.tool-button span {
  font-size: 17px;
  line-height: 1;
}

.left-toolbar .tool-button span {
  font-size: 20px;
}

.tool-button strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-button.is-active {
  border-color: var(--primary);
  background: var(--primary);
  color: #ffffff;
}

.viewport-shell {
  min-width: 0;
  min-height: 0;
  display: grid;
  grid-template-rows: 1fr var(--status-h);
  background: #0f172a;
}

.viewport {
  position: relative;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.08), transparent 24%),
    linear-gradient(135deg, #1e293b, #0f172a);
  cursor: default;
}

.viewport canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.viewport.is-plane-panning {
  cursor: grab;
}

.viewport.is-plane-panning.is-dragging {
  cursor: grabbing;
}

.viewport.is-drawing {
  cursor: crosshair;
}

.viewport.is-guide-reference {
  cursor: crosshair;
}

.viewport.is-guide-dragging {
  cursor: crosshair;
}

.viewport.is-extruding,
.viewport.is-measuring,
.viewport.is-pivot-picking {
  cursor: crosshair;
}

.viewport.is-direct-editing {
  cursor: ns-resize;
}

.viewport-view-buttons {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 25;
  display: flex;
  gap: 6px;
  padding: 6px;
  border: 1px solid rgba(148, 163, 184, 0.32);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
}

.viewport-view-buttons button {
  min-width: 46px;
  height: 30px;
  padding: 0 8px;
  border-color: rgba(203, 213, 225, 0.22);
  border-radius: var(--radius-xs);
  background: rgba(248, 250, 252, 0.08);
  color: #f8fafc;
  font-size: 11px;
  font-weight: 900;
}

.viewport-view-buttons button:hover {
  border-color: rgba(96, 165, 250, 0.8);
  background: rgba(37, 99, 235, 0.48);
}

.viewport-view-buttons .tray-expand-viewport-btn {
  display: none;
  min-width: 34px;
  padding: 0 9px;
  border-color: rgba(251, 146, 60, 0.55);
  background: rgba(249, 115, 22, 0.26);
  color: #ffffff;
  font-size: 17px;
  font-weight: 950;
}

.workspace.tray-collapsed .viewport-view-buttons .tray-expand-viewport-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.viewport-view-buttons .tray-expand-viewport-btn:hover {
  border-color: rgba(251, 146, 60, 0.95);
  background: rgba(249, 115, 22, 0.58);
}

.viewport-axis-widget {
  position: absolute;
  left: 16px;
  bottom: 16px;
  z-index: 25;
  width: 74px;
  height: 74px;
  border: 1px solid rgba(148, 163, 184, 0.3);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow);
  pointer-events: none;
}

.axis-line {
  position: absolute;
  left: 24px;
  bottom: 24px;
  height: 4px;
  border-radius: 999px;
  transform-origin: left center;
}

.axis-line-x {
  width: 40px;
  background: var(--axis-x);
  transform: rotate(0deg);
}

.axis-line-z {
  width: 40px;
  background: var(--axis-z);
  transform: rotate(-52deg);
}

.axis-line::after {
  content: "";
  position: absolute;
  right: -5px;
  top: 50%;
  width: 0;
  height: 0;
  border-left: 7px solid currentColor;
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
  transform: translateY(-50%);
}

.axis-line-x::after {
  color: var(--axis-x);
}

.axis-line-z::after {
  color: var(--axis-z);
}

.axis-label {
  position: absolute;
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  line-height: 1;
  text-shadow: 0 1px 3px rgba(0, 0, 0, 0.65);
}

.axis-label-x {
  right: 9px;
  bottom: 20px;
  color: var(--axis-x);
}

.axis-label-z {
  left: 17px;
  top: 14px;
  color: var(--axis-z);
}

.selection-marquee {
  position: absolute;
  z-index: 20;
  pointer-events: none;
  border: 1px solid var(--primary);
  background: rgba(37, 99, 235, 0.14);
  border-radius: 6px;
}

.guide-drag-hud,
.extrude-drag-hud,
.direct-measure-hud,
.pivot-pick-hud,
.surface-pick-hint,
.object-selection-hud,
.object-move-hud,
.snap-point-hud {
  position: absolute;
  z-index: 35;
  min-width: 190px;
  max-width: 230px;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  display: grid;
  gap: 7px;
  pointer-events: auto;
}

.guide-drag-hud label,
.extrude-drag-hud label,
.direct-measure-hud label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.guide-drag-field,
.direct-measure-field {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
}

.guide-drag-field input,
.direct-measure-field input {
  height: 34px;
}

.guide-drag-field span,
.direct-measure-field span {
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 800;
}

.guide-drag-hud small,
.extrude-drag-hud small,
.direct-measure-hud small,
.pivot-pick-hud small,
.surface-pick-hint span,
.object-selection-hud span,
.object-move-hud small,
.snap-point-hud span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.surface-pick-hint {
  min-width: 220px;
  max-width: 280px;
  border-color: rgba(96, 165, 250, 0.8);
  background: rgba(15, 23, 42, 0.82);
  color: #f8fafc;
  pointer-events: none;
}

.surface-pick-hint strong,
.pivot-pick-hud strong,
.object-selection-hud strong,
.object-move-hud strong,
.snap-point-hud strong {
  font-size: 12px;
  font-weight: 900;
}

.hud-button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.hud-button-row button {
  min-height: 30px;
  padding: 6px 9px;
  font-size: 11px;
  font-weight: 850;
}

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

.pivot-pick-grid button {
  min-height: 30px;
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 850;
}

.object-selection-hud {
  left: 14px;
  top: 14px;
  min-width: 230px;
  max-width: 300px;
  border-color: rgba(56, 189, 248, 0.85);
  background: rgba(15, 23, 42, 0.82);
  color: #f8fafc;
  pointer-events: none;
}

.object-move-hud {
  left: 14px;
  top: 82px;
  min-width: 245px;
  max-width: 310px;
  border-color: rgba(250, 204, 21, 0.82);
  background: rgba(15, 23, 42, 0.86);
  color: #f8fafc;
  pointer-events: none;
}

.object-move-hud dl {
  display: grid;
  gap: 6px;
  margin: 0;
}

.object-move-hud dl > div {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}

.object-move-hud dt {
  color: rgba(226, 232, 240, 0.74);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.object-move-hud dd {
  margin: 0;
  color: #ffffff;
  font-size: 12px;
  font-weight: 850;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.snap-point-hud {
  right: 14px;
  bottom: 52px;
  min-width: 205px;
  max-width: 280px;
  border-color: rgba(250, 204, 21, 0.9);
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
  pointer-events: none;
}

.viewport.is-object-selected canvas {
  cursor: grab;
}

.viewport.is-object-moving canvas {
  cursor: grabbing;
}

.viewport.is-snap-active canvas {
  cursor: crosshair;
}

.viewport-snap-overlay {
  position: absolute;
  inset: 0;
  z-index: 24;
  pointer-events: none;
}

.snap-marker,
.grab-marker,
.selection-marker {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  transform: translate(-50%, -50%);
  pointer-events: none;
}

.snap-marker {
  border: 2px solid var(--snap);
  background: var(--snap-soft);
  box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.12), 0 0 18px rgba(250, 204, 21, 0.35);
}

.grab-marker {
  border: 2px solid var(--selection);
  background: var(--selection-soft);
  box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.12), 0 0 18px rgba(56, 189, 248, 0.35);
}

.selection-marker {
  width: 16px;
  height: 16px;
  border: 2px solid var(--selection);
  background: rgba(15, 23, 42, 0.5);
}

.object-selection-outline-hint {
  border-color: var(--selection) !important;
  box-shadow: 0 0 0 3px var(--selection-soft) !important;
}

.statusbar {
  min-width: 0;
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 0 12px;
  border-top: 1px solid var(--border);
  background: var(--panel);
  color: var(--muted-strong);
  font-size: 12px;
}

.statusbar strong {
  color: var(--text);
}

.status-message {
  min-width: 0;
  display: flex;
  gap: 8px;
  overflow: hidden;
}

.status-message span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.right-tray {
  position: relative;
  min-height: 0;
  border-left: 1px solid var(--border);
  background: var(--panel);
  display: grid;
  grid-template-rows: auto 1fr;
}

.tray-titlebar {
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 10px 8px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-soft);
}

.tray-titlebar strong {
  font-size: 13px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.tray-scroll {
  height: 100%;
  overflow-y: auto;
  padding: 12px;
  scroll-behavior: smooth;
}

.tray-collapse {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  font-weight: 900;
}

.workspace.tray-collapsed {
  grid-template-columns: var(--left-w) minmax(260px, 1fr) 0;
}

.workspace.tray-collapsed .right-tray {
  width: 0;
  overflow: visible;
  border-left: none;
}

.workspace.tray-collapsed .tray-titlebar,
.workspace.tray-collapsed .tray-scroll {
  display: none;
}

.workspace.tray-collapsed .tray-collapse {
  position: absolute;
  top: 10px;
  right: 8px;
  display: grid;
  z-index: 40;
}

.app-shell.focus-mode .left-toolbar,
.app-shell.focus-mode .right-tray {
  display: none;
}

.app-shell.focus-mode .workspace {
  grid-template-columns: 1fr;
}

.tray-section {
  display: grid;
  gap: 11px;
  padding: 0;
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-soft);
  overflow: hidden;
}

.tray-section > *:not(summary) {
  margin-left: 14px;
  margin-right: 14px;
}

.tray-section > *:last-child {
  margin-bottom: 14px;
}

.tray-section-summary {
  list-style: none;
  cursor: pointer;
  min-height: 42px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--panel), var(--panel-soft));
  user-select: none;
}

.tray-section-summary::-webkit-details-marker {
  display: none;
}

.tray-section-summary h2 {
  font-size: 13px;
}

.section-chevron {
  color: var(--muted);
  font-size: 12px;
  transition: transform 0.15s ease;
}

.tray-section:not([open]) .tray-section-summary {
  border-bottom: none;
}

.tray-section:not([open]) .section-chevron {
  transform: rotate(-90deg);
}

.tray-section[open] {
  padding-bottom: 14px;
}

.form-grid {
  display: grid;
  gap: 10px;
}

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

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

.form-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.button-row button,
.tray-section > button,
.tray-section button {
  min-height: 32px;
  padding: 7px 9px;
  font-size: 12px;
  font-weight: 800;
}

.pivot-presets,
.align-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 7px;
}

.pivot-presets button,
.align-grid button {
  min-height: 30px;
  padding: 6px 8px;
  font-size: 11px;
  font-weight: 800;
}

.pivot-direct-panel,
.dimension-direct-panel {
  display: grid;
  gap: 9px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.pivot-direct-panel small,
.dimension-direct-panel small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

.pivot-presets-extended {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.reference-display {
  display: grid;
  gap: 5px;
  padding: 10px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.reference-display span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reference-display strong {
  color: var(--muted-strong);
  font-size: 13px;
}

.reference-display strong.has-reference,
#guideReferenceDisplay.has-reference,
#activeEdgeMeasureLabel.has-reference {
  color: var(--warning);
}

.reference-display.compact {
  padding: 8px 10px;
}

.texture-preview {
  min-height: 64px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, #e5e7eb, #f9fafb);
}

.texture-preview span {
  padding: 5px 9px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.82);
  color: #111827;
  font-size: 12px;
  font-weight: 800;
}

.object-list {
  display: grid;
  gap: 7px;
  min-height: 24px;
}

.object-item {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  text-align: left;
}

button.object-item {
  cursor: pointer;
}

.object-item.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.object-item.is-warning {
  border-color: var(--warning);
  background: var(--warning-soft);
}

.object-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.object-main strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
}

.object-meta {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
}

.object-dot {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 999px;
  box-shadow: 0 0 0 1px var(--border);
}

.item-actions {
  display: flex;
  align-items: center;
  gap: 5px;
}

.item-action {
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 12px;
}

.empty-state {
  padding: 11px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--muted);
  background: var(--panel);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}

.table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}

.bom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.bom-table th,
.bom-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.bom-table th {
  color: var(--muted-strong);
  background: var(--panel-soft);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.bom-table tr:last-child td {
  border-bottom: none;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(15, 23, 42, 0.58);
  backdrop-filter: blur(6px);
}

.modal {
  width: min(620px, 100%);
  max-height: min(86vh, 820px);
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.modal-wide {
  width: min(860px, 100%);
}

.modal-header,
.modal-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  background: var(--panel-soft);
}

.modal-header {
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.modal-header h2 {
  font-size: 18px;
}

.modal-header p {
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.modal-body {
  min-height: 0;
  overflow-y: auto;
  padding: 18px;
  display: grid;
  gap: 14px;
}

.modal-footer {
  justify-content: flex-end;
  border-top: 1px solid var(--border);
}

.modal-footer button {
  min-height: 36px;
  padding: 8px 13px;
  font-size: 13px;
  font-weight: 800;
}

.icon-button {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: var(--radius-sm);
  font-size: 22px;
  line-height: 1;
}

.quickbar-customize-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.quickbar-customize-grid fieldset {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.quickbar-customize-grid legend {
  padding: 0 6px;
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.checkbox-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 9px;
  min-height: 31px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.checkbox-row:hover {
  background: var(--primary-soft);
}

.checkbox-row input {
  width: 16px;
  height: 16px;
  margin: 0;
  accent-color: var(--primary);
}

.snap-settings-panel,
.quickbar-order-panel {
  display: grid;
  gap: 12px;
  margin-top: 12px;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel-soft);
}

.snap-settings-panel .mini-help,
.quickbar-order-hint,
.quickbar-order-head p {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
}

.snap-settings-panel .mini-help,
.quickbar-order-hint {
  margin: 0;
}

.quickbar-order-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.quickbar-order-head h3 {
  margin: 0 0 4px;
  color: var(--text);
  font-size: 13px;
  text-transform: none;
  letter-spacing: 0;
}

.quickbar-order-actions {
  flex: 0 0 auto;
  display: flex;
  gap: 6px;
}

.quickbar-order-actions button {
  width: 32px;
  height: 32px;
  padding: 0;
  font-size: 14px;
  font-weight: 900;
}

.quickbar-order-list {
  min-height: 112px;
  max-height: 280px;
  overflow: auto;
  display: grid;
  gap: 7px;
  padding: 8px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.quickbar-order-list:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-soft);
  outline: none;
}

.quickbar-order-placeholder {
  display: grid;
  place-items: center;
  min-height: 72px;
  padding: 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  text-align: center;
}

.quickbar-order-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-height: 36px;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text);
  font-size: 13px;
  font-weight: 850;
  cursor: grab;
}

.quickbar-order-item:active {
  cursor: grabbing;
}

.quickbar-order-item.is-selected {
  border-color: var(--primary);
  background: var(--primary-soft);
  box-shadow: 0 0 0 3px var(--primary-soft);
}

.quickbar-order-item.is-dragging {
  opacity: 0.58;
}

.quickbar-order-grip {
  color: var(--muted);
  font-size: 15px;
  letter-spacing: -0.15em;
}

.quickbar-order-badge {
  min-width: 24px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--panel-strong);
  color: var(--muted-strong);
  font-size: 10px;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}



/* SketchUp-nahe Werkzeugleiste mit Flyout-Gruppen */
.left-toolbar {
  position: relative;
  z-index: 40;
  overflow: visible;
}

.sketchup-rail {
  position: relative;
  align-content: start;
}

.left-toolbar .tool-button {
  position: relative;
}

.left-toolbar .tool-button strong {
  display: none;
}

.tool-symbol {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  font-weight: 900;
}

.tool-flyout {
  position: relative;
  width: 44px;
  height: 42px;
}

.tool-flyout-trigger {
  width: 44px;
  height: 42px;
}

.flyout-caret {
  position: absolute;
  right: 4px;
  bottom: 3px;
  font-size: 13px !important;
  color: var(--muted);
  line-height: 1;
  pointer-events: none;
}

.tool-flyout:hover .tool-flyout-trigger,
.tool-flyout:focus-within .tool-flyout-trigger {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.tool-flyout-menu {
  position: absolute;
  left: calc(100% + 8px);
  top: 0;
  z-index: 120;
  width: 278px;
  display: grid;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-4px);
  transition:
    opacity 0.14s ease,
    transform 0.14s ease,
    visibility 0.14s ease;
}

.tool-flyout:hover .tool-flyout-menu,
.tool-flyout:focus-within .tool-flyout-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}

.tool-flyout-menu::before {
  content: "";
  position: absolute;
  left: -10px;
  top: 0;
  width: 10px;
  height: 100%;
}

.flyout-option {
  width: 100%;
  min-height: 46px;
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  align-items: center;
  column-gap: 10px;
  padding: 8px 10px;
  border-color: transparent;
  background: transparent;
  text-align: left;
}

.flyout-option:hover,
.flyout-option:focus-visible {
  border-color: var(--primary);
  background: var(--primary-soft);
}

.flyout-option span {
  grid-row: 1 / 3;
  min-width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: var(--radius-xs);
  background: var(--panel-soft);
  border: 1px solid var(--border);
  font-size: 15px;
  font-weight: 900;
}

.flyout-option strong {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
  font-size: 13px;
  line-height: 1.2;
}

.flyout-option small {
  min-width: 0;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.25;
}

.construction-help-section {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--primary-soft), transparent 72%);
}

.construction-hint {
  display: grid;
  gap: 6px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
}

.construction-hint strong {
  font-size: 13px;
}

.construction-hint p {
  color: var(--muted-strong);
  font-size: 12px;
  line-height: 1.45;
}

.workflow-list {
  margin: 10px 0 0;
  padding-left: 20px;
  color: var(--muted-strong);
  font-size: 12px;
  line-height: 1.55;
}

.workflow-list li + li {
  margin-top: 4px;
}

@media (max-width: 1280px) {
  :root {
    --right-w: 350px;
  }

  .quickbar-label {
    display: none;
  }

  .quickbar-button {
    width: 38px;
    padding: 0;
    justify-content: center;
  }

  .quickbar-field {
    grid-template-columns: 1fr;
    min-width: 78px;
  }

  .quickbar-field span {
    display: none;
  }
}

@media (max-width: 1024px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100vh;
    height: auto;
    grid-template-rows: auto auto auto;
  }

  .workspace {
    min-height: 760px;
    grid-template-columns: 1fr;
    grid-template-rows: auto 620px auto;
    overflow: visible;
  }

  .left-toolbar {
    border: none;
    border-bottom: 1px solid var(--border);
    overflow: visible;
    padding: 8px;
  }

  .icon-rail {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .rail-separator {
    width: 1px;
    height: 32px;
  }

  .right-tray {
    border: none;
    min-height: 600px;
  }

  .viewport-shell {
    min-height: 620px;
  }

  .tray-scroll {
    overflow: visible;
  }

  .statusbar {
    grid-template-columns: 1fr;
    height: auto;
    min-height: var(--status-h);
    padding: 8px 12px;
    gap: 5px;
  }

  .quickbar-customize-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .app-header {
    grid-template-columns: 1fr;
    height: auto;
    padding: 8px;
  }

  .menu-bar {
    overflow-x: auto;
  }

  .project-title {
    justify-self: start;
    max-width: 100%;
  }

  .quickbar {
    padding: 7px;
  }

  .form-grid.two,
  .form-grid.three,
  .form-grid.four {
    grid-template-columns: 1fr;
  }

  .pivot-presets,
  .align-grid,
  .form-tool-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .quickbar-order-head {
    display: grid;
  }

  .quickbar-order-actions {
    justify-content: stretch;
  }

  .quickbar-order-actions button {
    flex: 1 1 0;
  }

  .viewport-view-buttons {
    top: 8px;
    right: 8px;
    gap: 4px;
  }

  .viewport-view-buttons button {
    min-width: 40px;
    height: 28px;
    font-size: 10px;
  }

  .viewport-view-buttons .tray-expand-viewport-btn {
    min-width: 32px;
    font-size: 15px;
  }

  .viewport-axis-widget {
    width: 64px;
    height: 64px;
    left: 10px;
    bottom: 10px;
  }

  .modal-backdrop {
    padding: 10px;
  }

  .modal {
    max-height: 92vh;
  }

  .modal-header,
  .modal-footer {
    padding: 13px;
  }

  .modal-footer {
    flex-wrap: wrap;
  }
}



@media (max-width: 1024px) {
  .tool-flyout {
    width: 44px;
  }

  .tool-flyout-menu {
    left: 0;
    top: calc(100% + 8px);
    width: min(86vw, 300px);
  }

  .tool-flyout-menu::before {
    left: 0;
    top: -10px;
    width: 100%;
    height: 10px;
  }
}

@media (max-width: 720px) {
  .tool-flyout-menu {
    position: fixed;
    left: 10px;
    right: 10px;
    top: calc(var(--header-h) + var(--quickbar-h) + 72px);
    width: auto;
  }
}

@media print {
  body {
    background: #ffffff;
  }

  .app-header,
  .quickbar,
  .left-toolbar,
  .right-tray,
  .statusbar,
  .modal-backdrop,
  .viewport-view-buttons,
  .viewport-axis-widget,
  .guide-drag-hud,
  .extrude-drag-hud,
  .direct-measure-hud,
  .pivot-pick-hud,
  .surface-pick-hint,
  .object-selection-hud,
  .object-move-hud,
  .snap-point-hud,
  .viewport-snap-overlay {
    display: none !important;
  }

  .app-shell,
  .workspace,
  .viewport-shell,
  .viewport {
    display: block;
    width: 100%;
    height: 100%;
  }
}

/* --------------------------------------------------------------------------
   Neue Aufgaben: dezente Auswahlpunkte, Ursprungstext ausblenden,
   Push/Pull-Live-Vorschau optisch vorbereiten
   -------------------------------------------------------------------------- */

/* Markierungspunkte sehr klein halten: nur minimal stärker als Objektlinien. */
.snap-marker,
.grab-marker,
.selection-marker {
  width: 6px;
  height: 6px;
  border-width: 1px;
  opacity: 0.92;
}

.selection-marker {
  width: 7px;
  height: 7px;
  background: rgba(15, 23, 42, 0.32);
}

.snap-marker {
  box-shadow:
    0 0 0 2px rgba(250, 204, 21, 0.10),
    0 0 8px rgba(250, 204, 21, 0.28);
}

.grab-marker {
  box-shadow:
    0 0 0 2px rgba(56, 189, 248, 0.10),
    0 0 8px rgba(56, 189, 248, 0.28);
}

.object-selection-outline-hint {
  border-color: var(--selection) !important;
  box-shadow: 0 0 0 1px var(--selection-soft) !important;
}

/* Falls ein Ursprungstext als DOM-Overlay existiert, wird er bewusst nicht angezeigt. */
.origin-label,
.viewport-origin-label,
[data-origin-label],
[data-label="Ursprung"] {
  display: none !important;
}

/* Ein optionaler Ursprungspunkt bleibt höchstens als sehr feine Markierung sichtbar. */
.origin-marker,
.viewport-origin-marker {
  width: 4px !important;
  height: 4px !important;
  border-width: 1px !important;
  opacity: 0.7;
}

/* Push/Pull-HUD: klein, ruhig und als Live-Vorschau lesbar. */
.extrude-drag-hud {
  min-width: 172px;
  max-width: 216px;
  padding: 8px 10px;
  border-color: rgba(56, 189, 248, 0.72);
  background: rgba(15, 23, 42, 0.84);
  color: #f8fafc;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.32);
}

.extrude-drag-hud label {
  color: rgba(226, 232, 240, 0.82);
}

.extrude-drag-hud input {
  height: 31px;
  font-size: 13px;
  font-weight: 850;
}

.extrude-drag-hud small {
  color: rgba(226, 232, 240, 0.72);
  font-size: 10.5px;
}

.viewport.is-extrude-live canvas,
.viewport.is-extrude-preview canvas,
.viewport.is-extruding canvas {
  cursor: ns-resize;
}

/* Dezente Flächenaktivierung während Push/Pull, falls der JS-Code DOM-Hinweise setzt. */
.surface-pick-hint {
  padding: 8px 10px;
  min-width: 190px;
  max-width: 250px;
  border-color: rgba(56, 189, 248, 0.62);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.28);
}



/* --------------------------------------------------------------------------
   Pulldownmenüs immer im absoluten Vordergrund
   -------------------------------------------------------------------------- */
.app-header {
  z-index: 10000;
  isolation: isolate;
}

.menu-bar,
.menu-button,
.project-title {
  position: relative;
  z-index: 10001;
}

.menu-dropdown {
  position: fixed;
  z-index: 10050;
  max-height: calc(100vh - 12px);
  overflow-y: auto;
  overscroll-behavior: contain;
}

.menu-dropdown:not([hidden]) {
  display: block;
}

.menu-dropdown,
.menu-dropdown * {
  pointer-events: auto;
}

/* --------------------------------------------------------------------------
   Bemaßung 3D – Fangpunkte, Maßlinie, Maßzahl und Bearbeitungs-HUD
   --------------------------------------------------------------------------
   Ergänzung für die neue freie Punkt-zu-Punkt-Bemaßung.
   Der bisherige Code bleibt unverändert; diese Klassen werden nur ergänzend
   von der künftigen JS-Bemaßungslogik genutzt.
   -------------------------------------------------------------------------- */

:root {
  --dimension-line: #0f172a;
  --dimension-line-soft: rgba(15, 23, 42, 0.18);
  --dimension-extension: rgba(15, 23, 42, 0.62);
  --dimension-active: #2563eb;
  --dimension-preview: #38bdf8;
  --dimension-text-bg: rgba(255, 255, 255, 0.92);
  --dimension-text-border: rgba(15, 23, 42, 0.18);
  --dimension-snap: #facc15;
  --dimension-snap-soft: rgba(250, 204, 21, 0.18);
  --dimension-edit: #f97316;
  --dimension-edit-soft: rgba(249, 115, 22, 0.14);
}

html[data-theme="dark"] {
  --dimension-line: #e5e7eb;
  --dimension-line-soft: rgba(226, 232, 240, 0.22);
  --dimension-extension: rgba(226, 232, 240, 0.66);
  --dimension-active: #60a5fa;
  --dimension-preview: #7dd3fc;
  --dimension-text-bg: rgba(15, 23, 42, 0.88);
  --dimension-text-border: rgba(226, 232, 240, 0.22);
  --dimension-snap: #fde047;
  --dimension-snap-soft: rgba(253, 224, 71, 0.18);
  --dimension-edit: #fb923c;
  --dimension-edit-soft: rgba(251, 146, 60, 0.16);
}

.viewport.is-dimension-tool canvas,
.viewport.is-dimension-picking canvas,
.viewport.is-dimension-dragging canvas,
.viewport.is-dimension-text-moving canvas,
.viewport.is-measuring canvas {
  cursor: crosshair;
}

.viewport.is-dimension-offset canvas,
.viewport.is-dimension-line-moving canvas {
  cursor: move;
}

.viewport.is-dimension-text-moving canvas {
  cursor: grab;
}

.viewport.is-dimension-text-moving.is-dragging canvas {
  cursor: grabbing;
}

.dimension-hud,
.dimension-drag-hud,
.dimension-text-hud,
.dimension-snap-hud {
  position: absolute;
  z-index: 38;
  min-width: 205px;
  max-width: 290px;
  display: grid;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--dimension-text-border);
  border-radius: var(--radius);
  background: var(--dimension-text-bg);
  color: var(--text);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(8px);
}

.dimension-hud,
.dimension-snap-hud {
  pointer-events: none;
}

.dimension-drag-hud,
.dimension-text-hud {
  pointer-events: auto;
}

.dimension-hud strong,
.dimension-drag-hud strong,
.dimension-text-hud strong,
.dimension-snap-hud strong {
  font-size: 12px;
  font-weight: 900;
}

.dimension-hud small,
.dimension-drag-hud small,
.dimension-text-hud small,
.dimension-snap-hud small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

.dimension-hud dl,
.dimension-drag-hud dl,
.dimension-text-hud dl {
  display: grid;
  gap: 5px;
  margin: 0;
}

.dimension-hud dl > div,
.dimension-drag-hud dl > div,
.dimension-text-hud dl > div {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 8px;
  align-items: baseline;
}

.dimension-hud dt,
.dimension-drag-hud dt,
.dimension-text-hud dt {
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 900;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.dimension-hud dd,
.dimension-drag-hud dd,
.dimension-text-hud dd {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font-size: 12px;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dimension-hud {
  left: 14px;
  top: 142px;
  border-color: rgba(56, 189, 248, 0.72);
}

.dimension-snap-hud {
  right: 14px;
  bottom: 92px;
  border-color: rgba(250, 204, 21, 0.88);
  background: rgba(15, 23, 42, 0.88);
  color: #f8fafc;
}

.dimension-snap-hud small,
.dimension-snap-hud span {
  color: rgba(226, 232, 240, 0.76);
}

.dimension-drag-hud,
.dimension-text-hud {
  border-color: rgba(249, 115, 22, 0.72);
}

.dimension-field-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px;
}

.dimension-field-row input {
  height: 32px;
  font-size: 13px;
  font-weight: 850;
}

.dimension-field-row span {
  color: var(--muted-strong);
  font-size: 12px;
  font-weight: 900;
}

.dimension-action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.dimension-action-row button {
  min-height: 30px;
  padding: 6px 9px;
  font-size: 11px;
  font-weight: 850;
}

.dimension-snap-marker,
.dimension-start-marker,
.dimension-end-marker,
.dimension-text-marker,
.dimension-line-grip {
  position: absolute;
  z-index: 32;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.dimension-snap-marker,
.dimension-start-marker,
.dimension-end-marker {
  width: 14px;
  height: 14px;
  border: 2px solid var(--dimension-snap);
  border-radius: 999px;
  background: var(--dimension-snap-soft);
  box-shadow:
    0 0 0 4px rgba(250, 204, 21, 0.12),
    0 0 18px rgba(250, 204, 21, 0.36);
}

.dimension-start-marker {
  border-color: var(--dimension-active);
  background: rgba(37, 99, 235, 0.14);
  box-shadow:
    0 0 0 4px rgba(37, 99, 235, 0.12),
    0 0 18px rgba(37, 99, 235, 0.32);
}

.dimension-end-marker {
  border-color: var(--dimension-preview);
  background: rgba(56, 189, 248, 0.14);
  box-shadow:
    0 0 0 4px rgba(56, 189, 248, 0.12),
    0 0 18px rgba(56, 189, 248, 0.32);
}

.dimension-line-grip {
  width: 18px;
  height: 18px;
  border: 2px solid var(--dimension-edit);
  border-radius: var(--radius-xs);
  background: var(--dimension-edit-soft);
  box-shadow:
    0 0 0 4px rgba(249, 115, 22, 0.10),
    0 0 16px rgba(249, 115, 22, 0.28);
}

.dimension-text-marker {
  min-width: 42px;
  padding: 3px 7px;
  border: 1px solid var(--dimension-text-border);
  border-radius: 999px;
  background: var(--dimension-text-bg);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  font-size: 11px;
  font-weight: 900;
  text-align: center;
  white-space: nowrap;
}

.dimension-text-marker.is-active,
.dimension-line-grip.is-active,
.dimension-snap-marker.is-active {
  border-color: var(--dimension-edit);
  box-shadow:
    0 0 0 4px var(--dimension-edit-soft),
    0 0 18px rgba(249, 115, 22, 0.34);
}

.dimension-label-overlay {
  position: absolute;
  z-index: 30;
  max-width: 170px;
  padding: 3px 7px;
  border: 1px solid var(--dimension-text-border);
  border-radius: 999px;
  background: var(--dimension-text-bg);
  color: var(--text);
  box-shadow: var(--shadow-sm);
  font-size: 11px;
  font-weight: 900;
  line-height: 1.25;
  pointer-events: none;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dimension-label-overlay.is-preview {
  border-color: rgba(56, 189, 248, 0.72);
  color: var(--dimension-preview);
}

.dimension-label-overlay.is-selected,
.dimension-label-overlay.is-editing {
  border-color: var(--dimension-edit);
  color: var(--dimension-edit);
  box-shadow:
    0 0 0 3px var(--dimension-edit-soft),
    var(--shadow-sm);
}

.dimension-list-item,
.dimension-item {
  width: 100%;
  min-height: 42px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  padding: 8px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  text-align: left;
}

button.dimension-list-item,
button.dimension-item {
  cursor: pointer;
}

.dimension-list-item.is-selected,
.dimension-item.is-selected {
  border-color: var(--dimension-active);
  background: var(--primary-soft);
}

.dimension-list-item.is-editing,
.dimension-item.is-editing {
  border-color: var(--dimension-edit);
  background: var(--dimension-edit-soft);
}

.dimension-main {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.dimension-main strong {
  min-width: 0;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dimension-meta {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dimension-dot {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 999px;
  background: var(--dimension-active);
  box-shadow: 0 0 0 1px var(--border);
}

.dimension-help-panel {
  display: grid;
  gap: 7px;
  padding: 10px 12px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--panel);
}

.dimension-help-panel strong {
  font-size: 12px;
  font-weight: 900;
}

.dimension-help-panel small,
.dimension-help-panel li {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

.dimension-help-panel ol,
.dimension-help-panel ul {
  margin: 0;
  padding-left: 17px;
}

.dimension-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  width: max-content;
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--dimension-text-border);
  border-radius: 999px;
  background: var(--dimension-text-bg);
  color: var(--muted-strong);
  font-size: 10.5px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.dimension-mode-pill.is-active {
  border-color: var(--dimension-active);
  background: var(--primary-soft);
  color: var(--dimension-active);
}

.dimension-mode-pill.is-editing {
  border-color: var(--dimension-edit);
  background: var(--dimension-edit-soft);
  color: var(--dimension-edit);
}

.dimension-muted-note {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.45;
}

@media (max-width: 900px) {
  .dimension-hud,
  .dimension-drag-hud,
  .dimension-text-hud,
  .dimension-snap-hud {
    min-width: 180px;
    max-width: min(260px, calc(100vw - 24px));
    padding: 8px 10px;
  }

  .dimension-hud {
    left: 10px;
    top: 112px;
  }

  .dimension-snap-hud {
    right: 10px;
    bottom: 84px;
  }
}

@media print {
  .dimension-hud,
  .dimension-drag-hud,
  .dimension-text-hud,
  .dimension-snap-hud,
  .dimension-snap-marker,
  .dimension-start-marker,
  .dimension-end-marker,
  .dimension-text-marker,
  .dimension-line-grip,
  .dimension-label-overlay.is-preview {
    display: none !important;
  }
}