:root {
  color-scheme: light;
  interpolate-size: allow-keywords;
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Microsoft YaHei", sans-serif;
  --bg: #ffffff;
  --panel: #ffffff;
  --panel-2: #f7f7f7;
  --line: #e6e6e6;
  --text: #161616;
  --muted: #737373;
  --accent: #171717;
  --accent-2: #505050;
  --selected: #e8e8e8;
  --selected-strong: #dddddd;
  --hover: #f1f1f1;
  --shadow: none;
  --soft-shadow: none;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  height: 100%;
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
}

body::before {
  display: none;
}

button,
input {
  font: inherit;
}

[hidden] {
  display: none !important;
}

input[type="checkbox"] {
  accent-color: #777777;
}

.app-shell {
  display: grid;
  grid-template-columns: 344px minmax(0, 1fr) 344px;
  width: 100vw;
  height: 100vh;
}

.sidebar {
  grid-column: 1;
  grid-row: 1;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  scrollbar-gutter: stable;
  padding: 24px 18px 18px;
  border-right: 1px solid rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(22px) saturate(1.18);
  -webkit-backdrop-filter: blur(22px) saturate(1.18);
  box-shadow: 18px 0 42px rgba(0, 0, 0, 0.05);
}

.inspector {
  grid-column: 3;
  grid-row: 1;
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: auto;
  scrollbar-gutter: stable;
  padding: 48px 16px 18px;
  border-left: 1px solid rgba(255, 255, 255, 0.58);
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(22px) saturate(1.18);
  -webkit-backdrop-filter: blur(22px) saturate(1.18);
  box-shadow: -18px 0 42px rgba(0, 0, 0, 0.05);
}

.inspector-details {
  padding: 0;
}

.inspector-details summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  cursor: pointer;
  list-style: none;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  transition: background 0.16s ease;
}

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

.inspector-details-body {
  padding: 12px;
}

.view-panel {
  position: static;
  z-index: 100;
  background: transparent;
}

.brand {
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 2px 12px;
}

.brand h1 {
  margin: 0;
  font-size: 21px;
  line-height: 1.18;
  letter-spacing: 0;
  font-weight: 800;
  white-space: nowrap;
}

.brand p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.panel {
  padding: 12px;
  border: 1px solid rgba(255, 255, 255, 0.48);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.48);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
}

.panel.inspector-details {
  padding: 0;
}

.panel h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 800;
  color: var(--text);
}

.button-row,
.segmented,
.route-actions,
.measure-tabs,
.query-tabs,
.query-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

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

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

.route-actions button:last-child {
  grid-column: 1 / -1;
}

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

.measure-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.segmented {
  position: relative;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 12px;
  padding: 4px;
  border-radius: 10px;
  background: rgba(240, 240, 240, 0.72);
  overflow: hidden;
}

.segmented::before,
.import-tabs::before {
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  z-index: 0;
  width: calc((100% - 8px) / 2);
  border-radius: 8px;
  background: rgba(218, 218, 218, 0.78);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  content: "";
  transition:
    transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.22s ease;
}

.segmented:has(#perspectiveTab.active)::before,
.import-tabs:has(#dxfTab.active)::before {
  transform: translateX(100%);
}

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

.view-toggles .check {
  min-height: 36px;
  padding: 0 10px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
}

button {
  position: relative;
  min-height: 36px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
  color: var(--text);
  cursor: pointer;
  transition:
    background 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

button:hover {
  background: rgba(241, 241, 241, 0.86);
}

button:disabled {
  opacity: 0.62;
  cursor: wait;
}

button:active {
  transform: translateY(0);
}

.segmented button {
  z-index: 1;
  background: transparent;
}

.segmented button.active {
  background: transparent;
  color: var(--text);
}

.route-actions button.active,
.measure-tabs button.active,
.query-tabs button.active {
  background: rgba(232, 232, 232, 0.82);
  color: var(--text);
}

.route-actions button.active::before,
.measure-tabs button.active::before,
.query-tabs button.active::before {
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 0;
  width: 4px;
  border-radius: 99px;
  background: var(--accent);
  content: "";
}

.import-tabs {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 10px;
  padding: 4px;
  border-radius: 10px;
  background: rgba(240, 240, 240, 0.72);
  overflow: hidden;
}

.import-tabs button {
  z-index: 1;
  background: transparent;
}

.import-tabs button.active {
  background: transparent;
  color: var(--text);
}

.import-panel.hidden {
  display: none;
}

.file-picker {
  display: block;
  position: relative;
  margin-top: 8px;
  cursor: pointer;
}

.file-picker span {
  display: grid;
  place-items: center;
  width: 100%;
  min-height: 34px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
  color: var(--text);
  transition:
    background 0.16s ease,
    color 0.16s ease,
    transform 0.16s ease;
}

.file-picker:hover span {
  background: rgba(241, 241, 241, 0.86);
}

.file-picker input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.dxf-height-toggle {
  margin-top: 8px;
  padding: 6px 8px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
}

.status {
  min-height: 34px;
  margin-top: 8px;
  padding: 8px;
  border-radius: 10px;
  border: 0;
  background: rgba(246, 246, 246, 0.76);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.file-list {
  display: grid;
  gap: 8px;
  margin-top: 8px;
}

.file-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 8px;
  padding: 8px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
}

.file-enabled {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
}

.file-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-path {
  grid-column: 1 / -1;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.remove-file {
  grid-column: 2;
  grid-row: 1;
  min-height: 26px;
  padding: 0 8px;
  color: #b42318;
  background: #fef3f2;
}

.dxf-floor-row {
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  cursor: grab;
  transition:
    transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
    background 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

.floor-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
}

.dxf-floor-row.dragging {
  opacity: 0.55;
  transform: scale(0.985);
}

.dxf-floor-row.drag-over {
  background: var(--selected);
  box-shadow: inset 4px 0 0 var(--accent);
}

.floor-badge {
  flex: 0 0 auto;
  min-width: 28px;
  padding: 2px 6px;
  border-radius: 8px;
  background: #e8eef5;
  color: #31516d;
  text-align: center;
  font-size: 12px;
  font-weight: 700;
}

.floor-controls {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
}

.floor-controls label {
  display: grid;
  grid-template-columns: auto 58px;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.floor-controls input {
  width: 58px;
  min-width: 0;
}

.floor-elevation {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.floor-actions {
  display: grid;
  grid-template-columns: repeat(2, auto);
  gap: 6px;
  align-items: center;
  justify-content: end;
}

.floor-actions button {
  min-height: 28px;
  padding: 0 8px;
  white-space: nowrap;
}

.floor-actions button[data-role="duplicate"] {
  color: #175cd3;
  background: #eff6ff;
}

.floor-actions .remove-file {
  grid-column: auto;
  grid-row: auto;
}

.dxf-generated-model-panel {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
}

.dxf-generated-model-panel[hidden] {
  display: none;
}

.dxf-generated-model-title {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.dxf-generated-model-list {
  margin-top: 0;
}

.dxf-generated-model-row {
  padding: 0;
  background: transparent;
}

.dxf-floor-row .file-name {
  overflow: visible;
  text-overflow: clip;
  white-space: normal;
  word-break: break-word;
  line-height: 1.25;
}

.zero-elevation-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  padding: 6px 8px;
  border: 0;
  border-radius: 10px;
  background: #fff7e6;
  color: #7a4a12;
  cursor: grab;
  transition:
    transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
    background 0.18s ease,
    box-shadow 0.18s ease,
    opacity 0.18s ease;
}

.zero-elevation-row.dragging {
  opacity: 0.55;
  transform: scale(0.985);
}

.zero-line {
  height: 2px;
  background: linear-gradient(90deg, transparent, #d08a1d, transparent);
}

.zero-label {
  padding: 3px 10px;
  border: 0;
  border-radius: 8px;
  background: #fffbeb;
  color: #8a4f00;
  font-size: 12px;
  font-weight: 700;
}

.zero-hint {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.field {
  display: grid;
  gap: 6px;
  margin: 10px 0;
  color: var(--muted);
  font-size: 13px;
}

.field input,
.field select {
  width: 100%;
  min-height: 34px;
  padding: 4px 8px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
  color: var(--text);
  font: inherit;
}

.compact-field {
  margin: 0;
}

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

.roof-dimensions[hidden] {
  display: none;
}

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

.move-grid label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 12px;
}

.move-grid input {
  width: 100%;
  min-width: 0;
  min-height: 34px;
  padding: 4px 7px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
  color: var(--text);
}

.check,
.layer-visible {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 24px;
  color: var(--text);
  font-size: 13px;
}

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

.layer-control {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 6px 8px;
  padding: 8px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
}

.layer-visible {
  grid-column: 1 / -1;
}

.analysis-panel {
  display: grid;
  gap: 10px;
}

.explode-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  padding: 8px 10px;
  border: 0;
  border-radius: 10px;
  background: rgba(247, 247, 247, 0.76);
  color: var(--text);
  font-size: 13px;
}

.explode-control input {
  width: 100%;
}

.explode-control output {
  min-width: 42px;
  color: var(--muted);
  text-align: right;
}

.tool-menu {
  overflow: hidden;
  border: 0;
  border-radius: 12px;
  background: transparent;
}

.tool-menu::details-content,
.inspector-details::details-content {
  block-size: 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-4px);
  transition:
    block-size 0.22s cubic-bezier(0.2, 0.8, 0.2, 1),
    opacity 0.18s ease,
    transform 0.18s ease,
    content-visibility 0.22s allow-discrete;
}

.tool-menu[open]::details-content,
.inspector-details[open]::details-content {
  block-size: auto;
  opacity: 1;
  transform: translateY(0);
}

.tool-menu summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  min-height: 42px;
  padding: 0 12px;
  border-radius: 10px;
  color: var(--text);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  transition: background 0.16s ease;
}

.tool-menu[open] summary,
.inspector-details[open] summary {
  background: rgba(225, 225, 225, 0.84);
}

.inspector-details[open] summary {
  margin-bottom: 0;
}

.tool-menu[open] summary {
  box-shadow: none;
}

.tool-menu summary:hover,
.inspector-details summary:hover {
  background: rgba(241, 241, 241, 0.86);
}

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

.menu-caret {
  width: 7px;
  height: 7px;
  border-right: 1.8px solid var(--muted);
  border-bottom: 1.8px solid var(--muted);
  transform: rotate(-45deg);
  transition: transform 0.16s ease;
}

.tool-menu[open] .menu-caret {
  transform: rotate(45deg);
}

.inspector-details[open] .menu-caret {
  transform: rotate(45deg);
}

.tool-body {
  display: grid;
  gap: 10px;
  padding: 10px;
  border-top: 0;
  background: transparent;
}

.analysis-panel .route-actions,
.analysis-panel .query-tabs,
.analysis-panel .query-actions,
.analysis-panel .measure-tabs,
.analysis-panel .measure-actions {
  gap: 9px;
}

.analysis-panel button {
  display: inline-grid;
  place-items: center;
  min-width: 0;
  min-height: 38px;
  padding: 0 10px;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
}

.color-control,
.opacity-control {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  color: var(--muted);
  font-size: 12px;
}

.color-control {
  grid-template-columns: auto auto;
  white-space: nowrap;
}

.color-control input[type="color"] {
  width: 38px;
  height: 24px;
  padding: 0;
  border: 0;
  border-radius: 7px;
  background: rgba(255, 255, 255, 0.82);
}

.opacity-control input {
  width: 100%;
}

input[type="range"] {
  accent-color: #777777;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
}

input[type="range"]::-webkit-slider-runnable-track {
  height: 4px;
  border-radius: 999px;
  background: #d6d6d6;
}

input[type="range"]::-webkit-slider-thumb {
  width: 16px;
  height: 16px;
  margin-top: -6px;
  border: 0;
  border-radius: 50%;
  background: #777777;
  cursor: pointer;
  -webkit-appearance: none;
}

input[type="range"]::-moz-range-track {
  height: 4px;
  border-radius: 999px;
  background: #d6d6d6;
}

input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border: 0;
  border-radius: 50%;
  background: #777777;
  cursor: pointer;
}

.opacity-control output {
  min-width: 34px;
  color: var(--text);
  text-align: right;
}

.stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 36px;
  margin: 0;
  font-size: 13px;
}

.stat-pair {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 10px;
  min-width: 0;
  min-height: 30px;
  padding: 6px 8px;
  border-radius: 9px;
  background: rgba(247, 247, 247, 0.76);
}

.stats dt {
  color: var(--muted);
  min-width: 0;
}

.stats dd {
  margin: 0;
  color: var(--text);
  text-align: right;
}

.viewport {
  grid-column: 1 / -1;
  grid-row: 1;
  position: relative;
  min-width: 0;
  min-height: 0;
  background: #ffffff;
}

.viewer {
  position: absolute;
  inset: 0;
  display: none;
}

.viewer.active {
  display: block;
}

.viewer canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}

@media (max-width: 820px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr) auto;
  }

  .sidebar {
    grid-column: 1;
    grid-row: 1;
    max-height: 38vh;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .viewport {
    grid-column: 1;
    grid-row: 2;
  }

  .inspector {
    grid-column: 1;
    grid-row: 3;
    max-height: 30vh;
    padding: 14px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .view-panel {
    position: static;
  }
}