/*
 * Stylesheet entry (ADR 0033). Tokens are unlayered custom properties. The
 * feature sheets keep the legacy cascade order inside the `features` layer;
 * `shell` owns the workspace frame and wins over any feature selector.
 */
@layer features, shell;
/*
 * Design tokens (ADR 0033). Three tiers:
 *  - palette: every colour the interface uses, named by family and CIE L*
 *    lightness. Near-duplicates (CIEDE2000 ≤ 4) were merged into the most
 *    used member when the palette was derived from the legacy stylesheet.
 *  - roles: what a colour is for. New and shell CSS uses roles only.
 *  - scales: type, radius, spacing, elevation, layering and shell sizes.
 * styles.css declares the cascade layers and imports every sheet.
 */
:root {
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: var(--color-text);
  background: var(--color-page);
  font-size: 14px;

  /* ---- palette ---- */
  /* white */
  --white: #ffffff;
  /* slate */
  --slate-97: #f5f7fa;
  --slate-96: #edf4ff;
  --slate-95: #eaf1ff;
  --slate-90: #dce3eb;
  --slate-87: #c9dcf7;
  --slate-85: #c2d8e5;
  --slate-83: #c6d0dd;
  --slate-79: #afc5e7;
  --slate-77: #b0c0d4;
  --slate-53: #748091;
  --slate-47: #5f7186;
  --slate-42: #53667c;
  --slate-36: #44576c;
  --slate-29: #33465a;
  --slate-21: #1d334b;
  --slate-17: #142b44;
  /* blue */
  --blue-75: #9bb9ec;
  --blue-68: #83aada;
  --blue-64: #7d9cca;
  --blue-51: #517da6;
  --blue-49: #176cf2;
  --blue-42: #225dc7;
  --blue-38: #315b8f;
  --blue-34: #174e9f;
  --blue-33: #255274;
  --blue-27: #1d3f6e;
  /* teal */
  --teal-50: #088585;
  /* green */
  --green-96: #eaf6ef;
  --green-79: #a9cabc;
  --green-42: #247044;
  --green-34: #235b40;
  /* amber */
  --amber-98: #fff8e9;
  --amber-95: #fff0d2;
  --amber-87: #edd9b1;
  --amber-85: #e9d398;
  --amber-74: #ecaa3e;
  --amber-70: #d3a249;
  --amber-58: #c47a0a;
  --amber-57: #b67d20;
  --amber-51: #997326;
  --amber-50: #a46b16;
  --amber-46: #91651e;
  --amber-40: #86541c;
  --amber-39: #77551c;
  --amber-33: #734116;
  --amber-32: #694124;
  /* red */
  --red-94: #ffe9e4;
  --red-78: #e7b6b1;
  --red-43: #a04f34;
  --red-40: #b42318;
  --red-39: #9d3e2c;
  --red-39-2: #9b3b39;
  --red-27: #7a1d14;
  /* purple */
  --purple-37: #733da8;

  /* ---- roles ---- */
  --color-page: var(--slate-97);
  --color-surface: var(--white);
  --color-surface-accent: var(--slate-95);
  --color-surface-selected: var(--slate-96);
  --color-text: var(--slate-21);
  --color-text-muted: var(--slate-42);
  --color-text-inverse: var(--white);
  --color-border: var(--slate-90);
  --color-border-strong: var(--slate-83);
  --color-border-hover: var(--slate-77);
  --color-border-accent: var(--slate-79);
  --color-accent: var(--blue-42);
  --color-accent-strong: var(--blue-34);
  --color-chrome: var(--slate-17);
  --color-focus: var(--amber-74);
  --color-pass: var(--green-42);
  --color-pass-surface: var(--green-96);
  --color-fail: var(--red-39);
  --color-danger: var(--red-40);
  --color-warn: var(--amber-40);
  --color-warn-surface: var(--amber-98);

  --color-chrome-raised: var(--slate-21);
  --color-chrome-hover: color-mix(in srgb, var(--white) 10%, transparent);
  --color-text-on-chrome: var(--slate-97);
  --color-text-on-chrome-muted: var(--slate-85);
  --color-border-on-chrome: color-mix(in srgb, var(--white) 30%, transparent);
  --color-accent-indicator: var(--blue-49);
  --color-warn-on-chrome: var(--amber-85);
  --color-fail-on-chrome: var(--red-78);

  /* ---- type ---- */
  --text-2xs: 9px;
  --text-xs: 10px;
  --text-sm: 11px;
  --text-base: 12px;
  --text-md: 13px;
  --text-lg: 14px;
  --text-xl: 15px;
  --text-2xl: 16px;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* ---- radius ---- */
  --radius-2xs: 2px;
  --radius-xs: 3px;
  --radius-sm: 4px;
  --radius-md: 5px;
  --radius-lg: 6px;
  --radius-xl: 7px;
  --radius-2xl: 8px;
  --radius-3xl: 10px;
  --radius-pill: 999px;

  /* ---- spacing (4 px grid) ---- */
  --space-1: 2px;
  --space-2: 4px;
  --space-3: 6px;
  --space-4: 8px;
  --space-5: 12px;
  --space-6: 16px;
  --space-7: 20px;
  --space-8: 24px;

  /* ---- elevation ---- */
  --shadow-1: 0 1px 2px color-mix(in srgb, var(--color-chrome) 12%, transparent);
  --shadow-2: 0 4px 12px
    color-mix(in srgb, var(--color-chrome) 16%, transparent);
  --shadow-3: 0 12px 32px
    color-mix(in srgb, var(--color-chrome) 22%, transparent);

  /* ---- layering ---- */
  --z-canvas-overlay: 5;
  --z-splitter: 20;
  --z-popover: 60;
  --z-menu: 80;
  --z-toast: 90;

  /* ---- shell ---- */
  --shell-control-height: 32px;
  --shell-ribbon-height: 40px;
  --shell-tab-height: 34px;
  --shell-explorer-width: 240px;
  --shell-inspector-width: 340px;
  --shell-dock-height: clamp(200px, 30vh, 420px);
  --shell-splitter: 6px;
}

/* Shell defaults by breakpoint: tokens are unlayered, so they are
 * overridden here, never from a layered sheet (ADR 0033). */
@media (min-width: 901px) and (max-width: 1280px) {
  :root {
    --shell-explorer-width: 190px;
    --shell-inspector-width: 290px;
  }
}

@media (min-width: 1600px) {
  :root {
    --shell-explorer-width: 260px;
    --shell-inspector-width: 380px;
  }
}

@layer features {
/* base — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
input,
select,
textarea {
  font: inherit;
}
button {
  cursor: pointer;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 12px;
  color: inherit;
  white-space: nowrap;
}
button:hover {
  background: var(--color-surface-selected);
  border-color: var(--color-border-hover);
}
button:disabled {
  opacity: 0.48;
  cursor: default;
}
button.primary {
  background: var(--color-accent);
  color: white;
  border-color: var(--color-accent);
  font-weight: 600;
  padding: 9px 20px;
}
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
canvas:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}
input,
select,
textarea {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  padding: 8px;
  color: var(--color-text);
  background: white;
  min-width: 0;
}
input[type="number"] {
  font-variant-numeric: tabular-nums;
  width: 100%;
}
input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-accent);
}
label {
  display: flex;
  flex-direction: column;
  gap: 7px;
  color: var(--color-text-muted);
}
h1,
h2,
h3,
p {
  margin-top: 0;
}
h2 {
  font-size: 19px;
}
small {
  color: var(--color-text-muted);
}
[hidden] {
  display: none !important;
}
.spacer {
  flex: 1;
}
}

@layer features {
/* landing — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
.appbar {
  height: 56px;
  background: var(--color-chrome);
  color: var(--color-text-inverse);
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 22px;
}
.brand {
  border: 0;
  background: none !important;
  color: white;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0;
  font-size: var(--text-2xl);
  letter-spacing: 0.5px;
}
.brand b {
  font-weight: 500;
}
.brand svg {
  width: 29px;
  height: 29px;
  fill: none;
  stroke: var(--slate-96);
  stroke-width: 1.5;
}
.bar-divider {
  height: 22px;
  background: color-mix(in srgb, var(--white) 18.8%, transparent);
  width: 1px;
}
#top-context {
  color: var(--slate-90);
  font-size: var(--text-md);
}
.local-badge {
  font-size: var(--text-base);
  color: var(--slate-85);
}
.dark-button {
  background: color-mix(in srgb, var(--white) 3.9%, transparent);
  border-color: color-mix(in srgb, var(--white) 18.8%, transparent);
  color: var(--slate-96);
  font-size: var(--text-md);
}
.dark-button:hover {
  background: color-mix(in srgb, var(--white) 12.5%, transparent);
}
.eyebrow {
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 1.8px;
  color: var(--color-text-muted);
}
#landing {
  max-width: 1220px;
  margin: 0 auto;
  padding: 60px 32px 30px;
}
.landing-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 45px;
  gap: 50px;
}
.landing-top h1 {
  font-size: 38px;
  letter-spacing: -1.5px;
  font-weight: 600;
  line-height: 1.15;
  margin: 16px 0;
}
.intro {
  font-size: var(--text-2xl);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 0;
}
.landing-graphic {
  width: 370px;
  position: relative;
  flex-shrink: 0;
}
.landing-graphic svg {
  width: 100%;
}
.landing-graphic span {
  display: block;
  text-align: right;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  letter-spacing: 1px;
  margin-top: 10px;
}
.start-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.landing-capabilities {
  margin-top: 36px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background: var(--color-surface);
}
#landing > #new-portal {
  margin-top: 20px;
}
.landing-capability-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.landing-capability-grid h3 {
  font-size: var(--text-xl);
  margin-bottom: 8px;
}
.landing-capability-grid p,
.landing-scope {
  color: var(--color-text-muted);
  font-size: var(--text-md);
  line-height: 1.6;
}
.landing-scope {
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  margin: 8px 0 0;
}
@media (max-width: 760px) {
  .landing-capability-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}
.start-card {
  white-space: normal;
  text-align: left;
  padding: 26px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  box-shadow: 0 3px 7px color-mix(in srgb, var(--slate-17) 1.6%, transparent);
  transition: transform 0.15s;
}
.start-card:hover {
  transform: translateY(-3px);
  background: white;
  border-color: var(--blue-64);
}
.card-icon {
  display: flex;
  width: 42px;
  height: 42px;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-selected);
  color: var(--color-accent);
  border-radius: var(--radius-xl);
  font-size: 27px;
  margin-bottom: 22px;
}
.start-card h2 {
  margin-bottom: 10px;
  font-weight: 600;
}
.start-card p {
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 24px;
}
.card-link {
  font-size: var(--text-md);
  color: var(--color-accent);
  font-weight: 600;
}
.recent-section {
  margin-top: 45px;
}
.section-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}
.section-heading h2 {
  margin: 0;
}
.section-heading span {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.recent-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background: white;
}
.recent-list > p {
  padding: 22px;
  margin: 0;
  color: var(--color-text-muted);
}
.recent-row {
  display: flex;
  width: 100%;
  text-align: left;
  align-items: center;
  justify-content: space-between;
  border: 0;
  border-bottom: 1px solid var(--color-border);
  padding: 20px;
}
.recent-row:last-child {
  border: 0;
}
.recent-row strong {
  display: block;
  margin-bottom: 5px;
}
.recent-row small {
  display: block;
}
.landing-footer {
  margin-top: 55px;
  display: flex;
  justify-content: space-between;
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
}

@layer features {
/* workspace — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
.projectbar {
  height: 62px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  background: white;
  border-bottom: 1px solid var(--color-border);
  gap: 16px;
}
.projectbar > div:first-child {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
#project-name {
  font-size: var(--text-2xl);
  font-weight: 600;
  border-color: transparent;
  padding: 7px 4px;
  width: 250px;
}
#project-name:hover,
#project-name:focus {
  border-color: var(--color-border);
}
#save-status {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  white-space: nowrap;
}
.project-actions {
  display: flex;
  gap: 8px;
}
.work-grid {
  display: grid;
  grid-template-columns: 220px minmax(320px, 1fr) 290px;
  grid-template-rows: minmax(365px, 1fr) 240px;
  height: calc(100dvh - 150px);
  min-height: 570px;
}
.model-panel,
.inspector {
  background: var(--color-surface);
  overflow: auto;
  display: flex;
  flex-direction: column;
}
.model-panel {
  border-right: 1px solid var(--color-border);
}
.inspector {
  border-left: 1px solid var(--color-border);
}
.panel-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  font-weight: 600;
  min-height: 51px;
}
.panel-title span {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  font-family: monospace;
  font-weight: 400;
}
.project-summary {
  display: flex;
  gap: 11px;
  padding: 20px 16px;
}
.project-symbol {
  font-size: 28px;
  color: var(--blue-51);
}
.project-summary strong {
  font-size: var(--text-md);
}
.project-summary small {
  display: block;
  font-size: var(--text-sm);
  margin-top: 5px;
}
#model-nav {
  padding: 0 10px 14px;
}
#model-nav .nav-section-title {
  margin: 18px 10px 6px;
  color: var(--slate-47);
  font-size: var(--text-xs);
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
#model-nav .nav-section-title:first-child {
  margin-top: 2px;
}
#model-nav button {
  border: 0;
  border-radius: var(--radius-lg);
  width: 100%;
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 9px;
  min-height: 38px;
  background: none;
  text-align: left;
  padding: 7px 10px;
  font-size: var(--text-md);
}
#model-nav button:hover {
  background: var(--color-page);
}
#model-nav button.active {
  background: var(--color-surface-selected);
  color: var(--color-accent);
}
#model-nav .nav-icon {
  width: 18px;
  text-align: center;
  color: var(--slate-47);
  font-size: var(--text-2xl);
  line-height: 20px;
}
#model-nav .nav-label {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
#model-nav .hierarchy-group {
  margin: 4px 0 8px 18px;
}
#model-nav .hierarchy-parent {
  margin: 0 0 4px;
  padding: 2px 8px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
#model-nav .entity.hierarchy-child {
  margin-left: 38px;
  width: calc(100% - 38px);
}
#model-nav .entity {
  position: relative;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 2px 0 4px 26px;
  width: calc(100% - 26px);
  padding: 7px 9px;
  min-height: 32px;
  font-size: var(--text-base);
}
.lineage-panel {
  margin: 0 0 12px;
  padding: 12px 14px;
  border-left: 3px solid var(--color-accent);
  background: var(--color-page);
}
.lineage-panel h3 {
  margin: 0 0 6px;
  font-size: var(--text-md);
}
.lineage-panel p {
  margin: 0;
  font-size: var(--text-md);
}
#model-nav .entity::before {
  content: "";
  position: absolute;
  left: -8px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: var(--slate-90);
}
#model-nav .entity small {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  white-space: nowrap;
}
#model-nav .count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  justify-self: end;
  align-self: center;
  height: 22px;
  min-width: 22px;
  padding: 0 4px;
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--color-page);
  color: var(--color-text-muted);
  line-height: 1;
}
.model-bottom {
  margin-top: auto;
  padding: 22px 16px 16px;
  border-top: 1px solid var(--color-border);
}
.model-bottom p:not(.eyebrow) {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-top: 13px;
  margin-bottom: 5px;
}
.model-bottom label {
  font-size: var(--text-base);
}
.model-bottom select {
  font-size: var(--text-base);
}
.text-button {
  border: 0;
  color: var(--color-accent);
  background: none;
  padding: 7px 0;
  font-size: var(--text-base);
}
.canvas-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--color-page);
}
.viewport-toolbar {
  height: 51px;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 0 14px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}
.viewport-toolbar button {
  font-size: var(--text-base);
  padding: 6px 9px;
}
.segmented {
  display: flex;
}
.segmented button:first-child {
  border-radius: 4px 0 0 4px;
}
.segmented button:last-child {
  border-radius: 0 4px 4px 0;
}
.segmented .active {
  background: var(--color-surface-selected);
  color: var(--color-accent);
}
.inline-label {
  flex-direction: row;
  align-items: center;
  font-size: var(--text-base);
}
.inline-label select {
  padding: 5px;
  font-size: var(--text-base);
}
.canvas-wrap {
  position: relative;
  flex: 1;
  min-height: 300px;
  overflow: hidden;
  background: var(--color-page);
}
#viewport {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
.view-caption {
  position: absolute;
  left: 24px;
  top: 22px;
  pointer-events: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.view-caption .eyebrow {
  font-size: var(--text-2xs);
}
.view-caption strong {
  font-size: 18px;
  font-weight: 500;
}
.view-caption > span:last-child {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.view-legend {
  position: absolute;
  right: 22px;
  bottom: 29px;
  font-size: var(--text-sm);
  color: var(--slate-47);
  display: flex;
  flex-direction: column;
  gap: 10px;
  /* Reads above model labels that reach the corner. */
  z-index: 1;
  padding: 8px 10px;
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--white) 92%, transparent);
}
.view-legend > span {
  display: flex;
  gap: 9px;
  align-items: center;
}
.legend-line {
  width: 25px;
  height: 2px;
  background: var(--slate-42);
}
.legend-line.violet {
  background: var(--purple-37);
}
.legend-line.teal {
  background: var(--teal-50);
}
.legend-line.blue {
  background: var(--blue-49);
}
#deformation-scale {
  width: 52px;
  font-size: var(--text-sm);
  padding: 3px;
}
.axis-widget {
  position: absolute;
  bottom: 40px;
  left: 12px;
  width: 120px;
  height: 110px;
  background: color-mix(in srgb, var(--slate-97) 85.1%, transparent);
  border-radius: var(--radius-2xl);
  pointer-events: none;
}
.axis-widget svg {
  width: 100%;
  height: 100%;
}
.reference-plane {
  position: absolute;
  top: 12px;
  right: 12px;
  max-width: 45%;
  padding: 4px 7px;
  background: color-mix(in srgb, var(--slate-97) 85.1%, transparent);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--green-34);
  pointer-events: none;
}
#gpu-status {
  position: absolute;
  bottom: 9px;
  right: 20px;
  font-size: var(--text-2xs);
  letter-spacing: 0.3px;
  color: var(--color-text-muted);
}
#gpu-notice {
  position: absolute;
  left: 20px;
  right: 20px;
  top: 110px;
  padding: 20px;
  background: var(--color-warn-surface);
  border: 1px solid var(--amber-85);
  border-radius: var(--radius-lg);
  color: var(--amber-39);
  line-height: 1.6;
}
#viewport-labels {
  pointer-events: none;
  position: absolute;
  inset: 0;
}
.node-label {
  position: absolute;
  font-size: var(--text-xs);
  color: var(--slate-47);
  background: color-mix(in srgb, var(--slate-97) 86.3%, transparent);
  padding: 2px 4px;
  border-radius: var(--radius-xs);
}
.load-label {
  color: var(--red-43);
}
.member-label {
  color: var(--color-accent);
  font-weight: 600;
}
.viewport-status {
  height: 30px;
  border-top: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  background: white;
}
#inspector-content {
  padding: 18px 18px 24px;
}
.inspector-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}
.inspector-heading .symbol {
  font-size: 24px;
  color: var(--color-accent);
  background: var(--color-surface-selected);
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
}
.inspector-heading strong {
  display: block;
  font-size: var(--text-xl);
}
.inspector-heading small {
  font-size: var(--text-sm);
}
.form-section {
  padding: 15px 0;
  border-top: 1px solid var(--color-border);
}
.form-section h3 {
  font-size: var(--text-xs);
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 14px;
}
.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.fields label {
  font-size: var(--text-sm);
}
.fields input {
  font-size: var(--text-md);
  padding: 7px;
  width: 100%;
}
.full {
  grid-column: 1/-1;
}
.form-help {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 10px 0;
}
.check-label {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  font-size: var(--text-base);
}
.inspector .primary {
  width: 100%;
  margin-top: 14px;
  font-size: var(--text-md);
}
.probe {
  margin-top: 18px;
  background: var(--color-surface-selected);
  border: 1px solid var(--slate-87);
  padding: 14px;
  border-radius: var(--radius-md);
}
.probe small {
  display: block;
  font-size: var(--text-sm);
}
.probe strong {
  display: block;
  font-size: 20px;
  margin: 7px 0;
}
.results-panel {
  grid-column: 1/-1;
  background: white;
  border-top: 1px solid var(--color-border-strong);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.results-tabs {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0 17px;
  border-bottom: 1px solid var(--color-border);
  flex-shrink: 0;
}
.results-tabs > button {
  height: 100%;
  border: 0;
  background: none;
  border-radius: 0;
  font-size: var(--text-base);
}
.results-tabs > button.active {
  color: var(--color-accent);
  border-bottom: 2px solid var(--blue-49);
  font-weight: 600;
}
.badge {
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  background: var(--color-page);
  color: var(--slate-47);
  padding: 5px 9px;
  white-space: nowrap;
}
.badge.current {
  background: var(--color-pass-surface);
  color: var(--color-pass);
}
.badge.stale {
  background: var(--amber-95);
  color: var(--color-warn);
}
.badge.failed {
  background: var(--red-94);
  color: var(--color-fail);
}
#results-content {
  overflow: auto;
  flex: 1;
  padding: 12px 22px;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
}
th,
td {
  padding: 9px 12px;
  text-align: right;
  border-bottom: 1px solid var(--color-border);
  white-space: nowrap;
}
th {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  background: var(--color-page);
  font-weight: 500;
  position: sticky;
  top: 0;
}
/* Row headers scroll with their row; only column headers stay pinned. */
tbody th {
  position: static;
  background: none;
  font-size: var(--text-base);
  color: inherit;
}
th:first-child,
td:first-child {
  text-align: left;
}
tbody tr:hover {
  background: var(--color-page);
}
.empty-results {
  text-align: center;
  padding: 12px;
  color: var(--color-text-muted);
}
.empty-results > span {
  font-size: 24px;
  display: block;
}
.empty-results strong {
  display: block;
  font-size: var(--text-md);
  font-weight: 500;
  margin-top: 4px;
}
.empty-results p {
  font-size: var(--text-sm);
  margin: 7px 0;
}
.statusbar {
  height: 32px;
  display: flex;
  gap: 25px;
  align-items: center;
  padding: 0 18px;
  background: var(--color-page);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.statusbar select {
  font-size: var(--text-xs);
  border: 0;
  padding: 0;
  background: none;
}
#message {
  padding: 10px 20px;
  background: var(--amber-95);
  color: var(--color-warn);
  border-bottom: 1px solid var(--amber-87);
  font-size: var(--text-base);
  white-space: pre-line;
  max-height: 100px;
  overflow: auto;
}
#update-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  background: var(--color-surface-accent);
  color: var(--blue-27);
  border-bottom: 1px solid var(--color-border-accent);
  font-size: var(--text-base);
}
#update-banner[hidden] {
  display: none;
}
#update-banner .primary {
  flex: 0 0 auto;
}
dialog {
  width: min(850px, calc(100vw - 32px));
  max-height: 85dvh;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  color: var(--color-text);
  box-shadow: 0 30px 100px color-mix(in srgb, var(--slate-17) 20%, transparent);
}
dialog::backdrop {
  background: color-mix(in srgb, var(--slate-17) 40%, transparent);
  backdrop-filter: blur(2px);
}
.dialog-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  border-bottom: 1px solid var(--color-border);
}
.dialog-header h2 {
  margin: 0;
  font-weight: 600;
}
.dialog-header button {
  border: 0;
  font-size: 22px;
  padding: 0 5px;
}
#modal-content {
  padding: 24px 26px;
  overflow: auto;
}
#modal-content p {
  line-height: 1.7;
  color: var(--color-text-muted);
}
.example-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.example-grid button {
  text-align: left;
  padding: 17px;
  white-space: normal;
}
.example-grid button strong {
  display: block;
  margin-bottom: 7px;
}
.example-grid button small {
  font-size: var(--text-sm);
}
.entity-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.entity-form label {
  font-size: var(--text-base);
}
.entity-form textarea {
  min-height: 100px;
  font-family: monospace;
}
.dialog-actions {
  grid-column: 1/-1;
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 8px;
}
.danger {
  color: var(--color-fail);
}
.error-text {
  grid-column: 1/-1;
  color: var(--color-fail);
  font-size: var(--text-base);
  white-space: pre-line;
}
.equilibrium {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}
.equilibrium > div {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 220px;
}
.equilibrium strong {
  display: block;
  margin-bottom: 7px;
  color: var(--color-pass);
}
.equilibrium small {
  font-size: var(--text-sm);
}
.entity-table-wrap {
  overflow: auto;
}
.scope-list {
  line-height: 1.8;
  color: var(--slate-47);
}
.add-button {
  margin-top: 18px;
}
.notice-small {
  padding: 12px;
  background: var(--amber-95);
  color: var(--color-warn);
  font-size: var(--text-base);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}
@media (min-width: 1550px) {
  .work-grid {
    grid-template-columns: 240px minmax(320px, 1fr) 300px;
  }
}
@media (max-width: 1100px) {
  .appbar {
    padding: 0 16px;
  }
  .appbar #top-context,
  .bar-divider,
  .local-badge {
    display: none;
  }
  .work-grid {
    grid-template-columns: 170px minmax(300px, 1fr) 260px;
  }
  .projectbar {
    height: auto;
    min-height: 62px;
    flex-wrap: wrap;
    padding: 10px 15px;
  }
  #project-name {
    width: 200px;
  }
  .project-actions button {
    font-size: var(--text-base);
    padding: 8px;
  }
  .landing-graphic {
    width: 280px;
  }
  .landing-top h1 {
    font-size: 32px;
  }
}
@media (max-width: 800px) {
  #landing {
    padding: 32px 20px;
  }
  .landing-graphic {
    display: none;
  }
  .start-grid {
    grid-template-columns: 1fr;
  }
  .start-card {
    padding: 20px;
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 0 18px;
  }
  .card-icon {
    grid-row: 1/4;
    margin: 0;
  }
  .start-card p {
    margin-bottom: 12px;
  }
  .landing-footer {
    flex-direction: column;
    gap: 12px;
  }
  .work-grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    height: auto;
    grid-template-rows: 450px auto;
  }
  .model-panel {
    display: none;
  }
  .results-panel {
    min-height: 250px;
    max-height: 380px;
  }
  .appbar .brand {
    font-size: var(--text-md);
  }
  .appbar {
    gap: 8px;
  }
  .brand b {
    display: none;
  }
  .projectbar > div:first-child {
    width: 100%;
  }
  .project-actions {
    flex-wrap: wrap;
  }
  .viewport-toolbar {
    padding: 6px;
    gap: 4px;
  }
  .inline-label {
    font-size: 0;
  }
  .results-tabs {
    overflow: auto;
    padding: 0 7px;
    gap: 0;
  }
  .results-tabs .badge {
    margin: 0 10px;
  }
  .statusbar {
    height: auto;
    min-height: 32px;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px;
  }
  .statusbar .spacer {
    display: none;
  }
  #hash-status {
    display: none;
  }
  .view-caption {
    left: 15px;
    top: 15px;
  }
  .view-caption strong {
    font-size: var(--text-xl);
  }
}
@media (max-width: 560px) {
  .work-grid {
    display: flex;
    flex-direction: column;
  }
  .canvas-panel {
    height: 360px;
  }
  .inspector {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }
  #inspector-content {
    padding: 15px;
  }
  .inspector-heading {
    margin-bottom: 12px;
  }
  .fields {
    grid-template-columns: repeat(2, 1fr);
  }
  .results-panel {
    min-height: 270px;
  }
  .view-legend {
    right: 10px;
    bottom: 35px;
  }
  .view-caption {
    top: 12px;
  }
  .dialog-header,
  #modal-content {
    padding: 18px;
  }
  .example-grid,
  .entity-form {
    grid-template-columns: 1fr;
  }
  .project-actions {
    gap: 5px;
  }
  #project-name {
    width: 230px;
  }
  .landing-top h1 {
    font-size: 32px;
  }
  .brand svg {
    width: 23px;
  }
  .appbar {
    padding: 0 12px;
  }
  .dark-button {
    font-size: var(--text-sm);
  }
  .recent-row {
    padding: 15px;
  }
}

/* Controls retain a readable minimum at desktop and narrow widths. */
button,
input,
select,
textarea,
.viewport-toolbar button,
.viewport-toolbar select,
.results-tabs > button,
#model-nav button,
#model-nav .entity,
.fields input,
.fields label,
.model-bottom select,
.model-bottom label,
.entity-form label,
.text-button,
.inspector .primary,
.project-actions button,
.dark-button {
  font-size: var(--text-lg);
}
.statusbar select,
#deformation-scale {
  font-size: var(--text-base);
}
.form-help,
.probe small {
  font-size: var(--text-base);
}
.view-caption > span:last-child,
.landing-footer,
.landing-graphic span {
  color: var(--color-text-muted);
}
#result-case {
  max-width: 180px;
  font-size: var(--text-md);
}
@media (max-width: 1100px) {
  #result-case {
    max-width: 135px;
  }
}
@media (max-width: 560px) {
  #result-case {
    max-width: 165px;
  }
}

#drawing-panel {
  padding: 12px;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border);
}
#draw-member {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: end;
}
#draw-member label {
  display: grid;
  gap: 4px;
  font-size: var(--text-base);
  flex: 1 1 75px;
  min-width: 0;
}
#draw-member input,
#draw-member select {
  width: 100%;
  min-width: 0;
  padding: 6px;
}
#draw-status {
  height: 39px;
  overflow: auto;
  margin: 8px 0 0;
  font-size: var(--text-md);
  line-height: 1.5;
}
#draw-toggle[aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
}
.viewport-toolbar {
  flex-wrap: wrap;
  height: auto;
  min-height: 51px;
  padding-top: 6px;
  padding-bottom: 6px;
  flex-shrink: 0;
}
.entity-form fieldset {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.entity-form input[type="checkbox"] {
  width: 20px;
  height: 20px;
}
@media (max-width: 560px) {
  .canvas-panel {
    height: auto;
  }
  .canvas-wrap {
    height: 340px;
    flex: none;
  }
  #draw-member label {
    flex-basis: 40%;
  }
}

#topology-preview pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 0.75rem;
}
#topology-preview {
  max-height: 45vh;
  overflow: auto;
}
.axis-summary {
  max-width: calc(100% - 28px);
  white-space: normal;
  background: var(--color-surface);
  color: var(--color-text);
}
.axis-label {
  color: var(--color-text);
  font-weight: 700;
  background: var(--color-surface);
}
.plane-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 8px 0;
}
.plane-controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.plane-controls input {
  width: 130px;
}
#selection-box {
  position: absolute;
  pointer-events: none;
  border: 1px solid var(--color-accent);
  background: color-mix(in srgb, var(--blue-42) 13.3%, transparent);
  z-index: 3;
}
#geometry-status {
  color: var(--color-warn);
  font-size: var(--text-sm);
}
.snap-label {
  color: var(--amber-33);
  background: var(--color-surface);
}
.cad-selection {
  max-height: 30vh;
  overflow: auto;
}
.cad-selection label {
  display: flex;
  gap: 8px;
  padding: 4px;
}
.cad-selection input {
  width: auto;
}

.geometry-warning {
  margin: 0;
  padding: 0 12px;
  color: var(--color-warn);
  font-size: var(--text-base);
}
.geometry-warning:empty {
  display: none;
}
}

@layer features {
/* commands — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* M01-UX: command hierarchy and contextual workspace */
.command-icon {
  width: 20px;
  height: 20px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.project-actions button,
.results-tabs #export-csv {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
}
.command-ribbon {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.ribbon-content {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding: 9px 18px;
  min-height: 91px;
}
.ribbon-group {
  flex: none;
  border-right: 1px solid var(--color-border);
  padding-right: 16px;
}
.ribbon-group:last-child {
  border: 0;
}
.ribbon-commands {
  display: flex;
  gap: 4px;
}
.ribbon-commands button {
  min-width: 60px;
  border: 1px solid transparent;
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
  padding: 6px 9px;
  font-size: var(--text-lg);
}
.ribbon-commands [aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
.ribbon-caption {
  display: block;
  text-align: center;
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-top: 5px;
}
.work-grid {
  height: calc(100dvh - 285px);
  min-height: 560px;
  grid-template-columns: 200px minmax(0, 1fr) 290px;
  grid-template-rows: minmax(350px, 1fr) 200px;
}
.canvas-panel,
.model-panel,
.inspector {
  min-width: 0;
}
.viewport-toolbar {
  min-height: 46px;
  flex-wrap: wrap;
  padding: 6px 12px;
}
.viewport-toolbar button,
.viewport-toolbar select,
.results-tabs > button,
.project-actions button {
  font-size: var(--text-lg);
}
#reset-viewport {
  margin-left: auto;
}
.property-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.inspector .property-actions .primary {
  width: auto;
  flex: 1;
}
#inspector-content {
  font-variant-numeric: tabular-nums;
}
.canvas-context-menu {
  position: fixed;
  z-index: 100;
  min-width: 220px;
  max-width: calc(100vw - 16px);
  padding: 6px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: 0 8px 35px color-mix(in srgb, var(--slate-17) 18.8%, transparent);
}
.canvas-context-menu button {
  display: flex;
  gap: 10px;
  align-items: center;
  width: 100%;
  border: 0;
  text-align: left;
  padding: 10px;
}
.context-heading {
  padding: 9px 10px;
  color: var(--color-text-muted);
  font-size: var(--text-md);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 4px;
  overflow-wrap: anywhere;
}
.workspace-panels {
  display: none;
}
#results-content {
  overflow: auto;
  min-width: 0;
}
#active-tool {
  font-weight: 600;
}
@media (max-width: 1100px) {
  .work-grid {
    grid-template-columns: 180px minmax(0, 1fr) 270px;
  }
  .ribbon-content {
    gap: 8px;
  }
  .ribbon-group {
    padding-right: 8px;
  }
}
@media (max-width: 900px) {
  .workspace-panels {
    display: flex;
    gap: 5px;
    padding: 8px 12px;
    background: white;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
  }
  .workspace-panels [aria-pressed="true"] {
    background: var(--color-surface-accent);
    color: var(--color-accent-strong);
    border-color: var(--color-border-accent);
  }
  .work-grid {
    display: block;
    height: auto;
    min-height: 420px;
  }
  .work-grid .model-panel,
  .work-grid .inspector,
  .work-grid .results-panel {
    display: none;
  }
  .work-grid .canvas-panel {
    height: 440px;
  }
  .work-grid[data-panel="model"] .model-panel,
  .work-grid[data-panel="properties"] .inspector,
  .work-grid[data-panel="results"] .results-panel {
    display: flex;
    min-height: 420px;
    max-height: none;
  }
  .work-grid:not([data-panel="canvas"]) .canvas-panel {
    display: none;
  }
  .inspector #inspector-content {
    display: block;
  }
  .projectbar {
    flex-wrap: wrap;
    height: auto;
    padding: 10px 12px;
  }
  .project-actions {
    flex-wrap: wrap;
    min-width: 0;
    width: 100%;
  }
  .project-actions select {
    max-width: 100%;
  }
  .projectbar > div:first-child {
    min-width: 0;
    width: 100%;
  }
  #project-name {
    max-width: 100%;
  }

  .ribbon-content {
    padding: 8px;
  }
  .results-tabs {
    height: auto;
    min-height: 48px;
    flex-wrap: wrap;
    padding: 8px;
  }
  .results-tabs > button {
    padding: 10px 8px;
  }
  .statusbar {
    flex-wrap: wrap;
    height: auto;
    gap: 10px;
    padding: 12px;
  }
  .inline-label {
    font-size: var(--text-lg);
  }
}
@media (pointer: coarse) {
  button {
    min-height: 44px;
  }
  input,
  select {
    font-size: var(--text-2xl);
  }
}
@media (min-width: 901px) {
  .work-grid.results-collapsed {
    grid-template-rows: minmax(350px, 1fr) 48px;
  }
}
}

@layer features {
/* canvas-tools — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Canvas-first tools keep modelling on the work surface. */
#canvas-tool-options {
  min-height: 96px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding: 10px 12px;
  background: var(--color-surface-selected);
  border-bottom: 1px solid var(--slate-87);
}
#canvas-tool-options label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-lg);
  margin: 0;
}
#canvas-tool-options input {
  width: 80px;
}
#canvas-tool-options select {
  max-width: 180px;
}
#placement-help {
  flex: 1 1 230px;
  line-height: 1.5;
}
.assignment-label {
  pointer-events: auto;
  font: 12px system-ui;
  min-height: 24px;
  padding: 3px 6px;
  border: 1px solid var(--color-border-strong);
  background: var(--color-surface);
  color: var(--amber-32);
  cursor: pointer;
}
.assignment-label.selected {
  outline: 2px solid var(--color-accent);
  background: var(--color-surface-accent);
}
#direct-properties fieldset {
  border: 0;
  padding: 0;
  margin: 18px 0;
}
#direct-properties legend {
  font-weight: 600;
  margin-bottom: 10px;
}
#direct-properties input[type="checkbox"] {
  width: auto;
  display: block;
}
#modal.command-dock {
  position: fixed;
  left: auto;
  right: 0;
  bottom: 32px;
  margin: 0;
  width: 340px;
  max-width: 100%;
  max-height: none;
  height: auto;
  border: 0;
  border-left: 1px solid var(--color-border);
  border-radius: 0;
  box-shadow: -5px 0 20px color-mix(in srgb, var(--slate-17) 8.2%, transparent);
  padding: 0;
  overflow: auto;
}
.command-dock .dialog-header {
  position: sticky;
  top: 0;
  background: white;
  z-index: 1;
}
.command-dock #modal-content {
  padding: 16px;
}
.command-dock .entity-form {
  grid-template-columns: minmax(0, 1fr);
}
.command-dock .entity-form .full {
  grid-column: 1;
}
.command-dock input,
.command-dock select,
.command-dock textarea {
  max-width: 100%;
}
@media (min-width: 901px) {
  .command-dock-open .inspector {
    visibility: hidden;
  }
}
@media (max-width: 900px) {
  #modal.command-dock {
    top: auto !important;
    height: 52dvh;
    bottom: 0;
    width: 100%;
    border-top: 1px solid var(--color-border);
  }
}

/* Placement gestures reach the canvas even underneath assignment badges. */
#workspace:has(#draw-toggle[aria-pressed="true"]) .assignment-label,
#workspace:has([data-canvas-tool][aria-pressed="true"]) .assignment-label {
  pointer-events: none;
}

.dimension-label {
  color: var(--slate-36);
  background: var(--color-page);
  border-radius: var(--radius-2xs);
  padding: 2px 6px;
  font-size: var(--text-base);
  line-height: 18px;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  pointer-events: none;
  transform-origin: center;
}

.action-legend {
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: 8px;
  padding: 5px 8px;
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--slate-97) 94.9%, transparent);
  color: var(--slate-29);
  font-size: var(--text-sm);
  pointer-events: none;
}
.action-legend.heat-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 4px 16px;
}
.action-legend.heat-legend[hidden] {
  display: none;
}
.heat-scale {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-variant-numeric: tabular-nums;
}
.heat-bar {
  display: inline-block;
  width: 140px;
  height: 10px;
  border-radius: 2px;
}
.result-value-label {
  font-size: var(--text-sm);
  background: var(--color-surface);
  color: var(--slate-29);
  border: 1px solid var(--color-border);
  pointer-events: none;
  white-space: nowrap;
}
}

@layer features {
/* entity-forms — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Guided model inputs: explanations sit beside diagrams, units beside values. */
.entity-guide {
  display: grid;
  grid-template-columns: minmax(150px, 0.85fr) 1fr;
  gap: 20px;
  align-items: center;
  background: var(--color-page);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-3xl);
  padding: 18px;
  margin-bottom: 8px;
}
.input-diagram {
  display: block;
  width: 100%;
  max-height: 155px;
  color: var(--blue-38);
}
.guide-eyebrow {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--blue-27);
}
.entity-guide p {
  font-size: var(--text-md);
  margin: 8px 0 0;
  line-height: 1.6;
}
.guided-group {
  margin: 0;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  min-width: 0;
}
.guided-group legend {
  font-weight: 650;
  padding: 0 6px;
  font-size: var(--text-lg);
}
.entity-form label small {
  display: block;
  font-size: var(--text-base);
  font-weight: 400;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-top: 6px;
}
.field-unit {
  color: var(--color-text-muted);
  font-weight: 400;
}
.guided-advanced {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 14px;
  min-width: 0;
}
.guided-advanced summary {
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-md);
}
.guided-advanced[open] > .entity-form {
  margin-top: 16px;
}
.support-choices {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.support-choices button {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  white-space: normal;
  padding: 14px;
  gap: 7px;
  text-align: left;
  min-width: 0;
}
.support-choices button[aria-pressed="true"] {
  border: 2px solid var(--color-accent);
  background: var(--color-surface-accent);
  padding: 13px;
}
.support-choices small {
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-muted);
}
.support-icon {
  font-size: 26px;
  color: var(--blue-38);
}
.combination-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  align-items: center;
}
#direct-properties {
  grid-template-columns: 1fr;
}
#direct-properties .entity-guide {
  grid-template-columns: 1fr;
  gap: 8px;
  padding: 12px;
}
#direct-properties .support-choices {
  grid-template-columns: 1fr;
}
#direct-properties .support-icon {
  display: none;
}
#direct-properties .guided-group,
#direct-properties .guided-advanced {
  padding: 10px;
}
#direct-properties .property-actions {
  flex-wrap: wrap;
}
@media (max-width: 600px) {
  .entity-guide {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 14px;
  }
  .support-choices {
    grid-template-columns: 1fr;
  }
  .combination-row {
    grid-template-columns: 1fr;
  }
  .guided-group {
    padding: 12px;
  }
  .dialog-actions {
    flex-wrap: wrap;
  }
}
.command-dock .entity-guide {
  grid-template-columns: 1fr;
  gap: 10px;
  padding: 12px;
}
.command-dock .support-choices {
  grid-template-columns: 1fr;
}
.command-dock .support-choices button {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 4px 10px;
}
.command-dock .support-choices .support-icon {
  grid-row: 1 / 3;
}
.command-dock .support-choices small {
  grid-column: 2;
}

#model-nav .nav-icon .command-icon {
  display: block;
  width: 18px;
  height: 18px;
}
.project-symbol .command-icon {
  width: 24px;
  height: 24px;
}
.support-icon svg {
  display: block;
  width: 30px;
  height: 30px;
}
.command-dock .entity-guide .input-diagram {
  max-height: 110px;
}

.template-library {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 12px;
  min-width: 0;
}
.template-library summary {
  font-size: var(--text-lg);
  font-weight: 650;
  cursor: pointer;
}
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.calculator-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 8px 0;
}
.calculator-grid .check,
.calculator-grid [data-rect-j-field] {
  grid-column: 1 / -1;
}
.section-calculator summary {
  font-size: var(--text-lg);
  font-weight: 650;
  cursor: pointer;
}
.variant-compare table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 20px;
  font-variant-numeric: tabular-nums;
}
.variant-compare th,
.variant-compare td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--color-border);
  vertical-align: top;
}
.portal-template-heading {
  display: block;
  font-size: var(--text-lg);
  font-weight: 650;
  margin: 0 0 8px;
}
.template-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  padding: 10px 8px;
  text-align: center;
  min-width: 0;
  white-space: normal;
  border: 1px solid var(--color-border);
  background: white;
  border-radius: var(--radius-xl);
}
.template-card strong {
  font-size: var(--text-base);
  line-height: 1.35;
}
.template-card small {
  font-size: var(--text-sm);
  line-height: 1.4;
  color: var(--color-text-muted);
}
.template-card[aria-pressed="true"] {
  border: 2px solid var(--color-accent);
  background: var(--color-surface-selected);
  padding: 9px 7px;
}
.template-diagram {
  display: block;
  width: 100%;
  max-height: 110px;
  color: var(--blue-38);
}
.template-card .template-diagram {
  height: 64px;
}
.template-size {
  display: block;
  margin-top: 12px;
}
.template-reference {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 12px;
  background: var(--color-page);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  text-align: center;
}
.template-reference strong {
  font-size: var(--text-lg);
}
.template-reference small {
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--color-text-muted);
}
.template-reference a {
  font-size: var(--text-base);
  color: var(--color-accent);
}

.inspector-tabs {
  display: flex;
  gap: 4px;
  padding: 8px;
  flex-wrap: wrap;
}
.inspector-tabs [aria-pressed="true"] {
  background: var(--color-surface-selected);
  color: var(--color-accent-strong);
}
#force-inspector {
  padding: 16px;
  overflow: auto;
  min-width: 0;
}
#force-inspector svg {
  width: 100%;
  max-width: 360px;
  display: block;
}
#force-inspector svg text {
  fill: var(--slate-29);
  stroke: none;
  font-size: var(--text-sm);
}
#force-inspector select,
#force-inspector input {
  width: 100%;
  min-width: 0;
}
#force-inspector section {
  border-top: 1px solid var(--color-border);
  padding-top: 10px;
}
.force-values {
  width: 100%;
  font-size: var(--text-base);
}
.force-values td {
  text-align: right;
  white-space: nowrap;
}
#force-inspector output {
  display: block;
  font-weight: 600;
  margin: 10px 0;
}

#deformation-scale,
#diagram-scale {
  width: 76px;
  min-width: 0;
  padding: 5px;
}
}

@layer features {
/* layout — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Layout controls remain reachable even with every optional panel hidden. */
.workspace-panels {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  padding: 6px 12px;
  background: white;
  border-bottom: 1px solid var(--color-border);
}
.workspace-panels [aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
#focus-canvas {
  margin-left: auto;
}
.layout-hidden {
  display: none !important;
}
@media (min-width: 901px) {
  #workspace:not([hidden]) {
    display: flex;
    flex-direction: column;
    height: calc(100dvh - 58px);
    min-height: 660px;
  }
  #workspace > :not(.work-grid) {
    flex-shrink: 0;
  }
  .work-grid {
    flex: 1;
    height: auto;
    min-height: 0;
    grid-template-columns: var(--tree-width, 200px) minmax(0, 1fr) var(
        --inspector-width,
        290px
      );
    grid-template-rows: minmax(0, 1fr) 200px;
  }
  .work-grid.hide-model {
    --tree-width: 0px;
  }
  .work-grid.hide-properties {
    --inspector-width: 0px;
  }
  .work-grid .model-panel {
    grid-column: 1;
    grid-row: 1;
  }
  .work-grid .canvas-panel {
    grid-column: 2;
    grid-row: 1;
    min-height: 0;
  }
  .work-grid .inspector {
    grid-column: 3;
    grid-row: 1;
  }
  .work-grid.results-collapsed {
    grid-template-rows: minmax(0, 1fr) 48px;
  }
  .work-grid.hide-results {
    grid-template-rows: minmax(0, 1fr);
  }
  .work-grid .canvas-wrap {
    min-height: 120px;
  }
  .viewport-toolbar {
    height: auto;
    flex-shrink: 0;
  }
}

/* One compact project header while modelling; keep the landing-page identity. */
body:has(#workspace:not([hidden])) > .appbar {
  display: none;
}
#workspace:not([hidden]) {
  height: 100dvh;
}
.projectbar {
  min-height: 48px;
  height: auto;
  padding: 5px 12px;
  gap: 12px;
}
.projectbar .project-identity {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.projectbar .project-identity #project-name {
  width: clamp(130px, 18vw, 250px);
}
.workspace-home {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px;
  border-color: transparent;
  flex: none;
}
.workspace-home svg {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
}
.projectbar .project-actions {
  margin-left: auto;
  align-items: center;
}
@media (max-width: 1100px) {
  .projectbar {
    flex-wrap: wrap;
  }
  .projectbar .project-actions {
    flex-wrap: wrap;
  }
}
@media (max-width: 900px) {
  #workspace:not([hidden]) {
    height: auto;
  }
  .projectbar .project-identity {
    flex: 1;
  }
  .projectbar .project-actions {
    margin-left: 0;
  }
}

.brand.workspace-home {
  color: var(--color-chrome);
}
.brand.workspace-home span {
  display: none;
}

/* Application menus own the complete command map; the ribbon is quick access. */
.application-menubar {
  display: flex;
  align-items: center;
  flex: none;
  gap: 0;
}
.application-menubar > button {
  border-color: transparent;
  background: transparent;
  padding: 6px 8px;
  border-radius: var(--radius-xs);
  font-size: var(--text-lg);
}
.application-menubar > button[aria-expanded="true"] {
  background: var(--color-surface-accent);
  border-color: var(--color-border-accent);
  color: var(--color-accent-strong);
}
.projectbar .project-identity {
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
}
.projectbar .project-identity #project-name {
  width: clamp(130px, 15vw, 230px);
  padding: 2px 4px;
  font-size: var(--text-lg);
  height: 32px;
}
.project-identity #save-status {
  padding-left: 5px;
  font-size: var(--text-sm);
}
.project-actions #export-project,
.project-actions #export-report,
.project-actions #help {
  display: none;
}
.project-actions #undo span,
.project-actions #redo span {
  display: none;
}
.project-actions #undo,
.project-actions #redo {
  padding: 6px;
}
.project-actions #result-case {
  max-width: 180px;
}
.projectbar {
  justify-content: flex-start;
  gap: 8px;
}
.application-menu {
  position: fixed;
  z-index: 150;
  width: max-content;
  min-width: 270px;
  max-width: calc(100vw - 8px);
  overflow-y: auto;
  padding: 5px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: 0 8px 28px color-mix(in srgb, var(--slate-17) 16.1%, transparent);
}
.application-menu button {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  border: 0;
  border-radius: var(--radius-xs);
  padding: 7px 9px;
  text-align: left;
  font-size: var(--text-lg);
}
.application-menu button:focus-visible {
  background: var(--color-surface-accent);
  outline-offset: -3px;
}
.application-menu button[aria-disabled="true"] {
  color: var(--slate-53);
}
.application-menu .menu-check {
  width: 16px;
  flex: none;
  color: var(--color-accent-strong);
}
.application-menu kbd {
  margin-left: auto;
  padding-left: 16px;
  font: inherit;
  font-size: var(--text-base);
  color: var(--slate-47);
}
.application-menu [role="separator"] {
  height: 1px;
  margin: 5px 7px;
  background: var(--color-border);
}
#shortcut-help {
  max-width: min(580px, calc(100vw - 32px));
  max-height: calc(100dvh - 32px);
  overflow: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  padding: 24px;
}
#shortcut-help::backdrop {
  background: color-mix(in srgb, var(--slate-17) 33.3%, transparent);
}
#shortcut-help dl {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 20px;
}
#shortcut-help dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}
#shortcut-help p {
  line-height: 1.5;
}
@media (max-width: 1200px) {
  .projectbar {
    flex-wrap: wrap;
  }
}
@media (max-width: 900px) {
  .application-menubar {
    flex: 1;
  }
  .projectbar .project-actions {
    width: auto;
    margin-left: auto;
  }
  .projectbar .project-identity {
    flex: 1 1 140px;
  }
  .application-menu {
    min-width: min(270px, calc(100vw - 8px));
  }
}
}

@layer features {
/* design — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Camera and overlay controls belong to the viewport. */
.canvas-navigation {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.canvas-navigation button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
}
.canvas-navigation .command-icon {
  width: 16px;
  height: 16px;
}
.canvas-navigation [aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
.viewport-toolbar {
  height: auto;
  flex-shrink: 0;
}

/* Native design uses the existing inspector and results drawer. */
#steel-design-inspector {
  padding: 16px;
  overflow-wrap: anywhere;
}
#steel-design-inspector label {
  display: block;
  margin-block: 10px;
}
#steel-design-inspector input:not([type="checkbox"]),
#steel-design-inspector select {
  width: 100%;
}
#steel-design-inspector small {
  display: block;
  color: var(--muted, var(--color-text-muted));
}
#steel-design-inspector button {
  margin: 5px 5px 5px 0;
}
.design-provenance dd {
  margin: 0 0 10px;
  overflow-wrap: anywhere;
}
.design-provenance pre,
[data-testid="native-design-result"] pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.design-marker {
  background: var(--amber-95);
  color: var(--amber-33);
  border: 1px solid var(--amber-58);
  border-radius: var(--radius-md);
  padding: 4px 8px;
}
.inspector-tabs {
  flex-wrap: wrap;
}
.steel-result-stale {
  border: 2px solid var(--amber-58);
}
/* Steel design: setup, provenance, and clause results stay visible together. */
#modal.steel-dialog {
  width: min(1140px, calc(100vw - 32px));
  max-height: min(92dvh, 900px);
  overflow: hidden;
}
.steel-dialog #modal-content {
  padding: 0;
  max-height: calc(min(92dvh, 900px) - 68px);
  overflow-y: auto;
}
.steel-intro {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 23px 27px 20px;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border);
}
.steel-intro h3 {
  font-size: 22px;
  margin: 3px 0 5px;
  color: var(--color-chrome);
}
.steel-intro p {
  margin: 0;
  line-height: 1.4 !important;
}
.steel-eyebrow {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 750;
  letter-spacing: 0.1em;
}
.steel-profile-badge,
.steel-source-chip {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  border: 1px solid var(--green-79);
  border-radius: var(--radius-pill);
  padding: 6px 10px;
  background: var(--color-pass-surface);
  color: var(--green-34);
  font-size: var(--text-base);
  font-weight: 650;
  white-space: normal;
}
.steel-profile-badge.steel-status-unsupported {
  border-color: var(--amber-87);
  background: var(--color-warn-surface);
  color: var(--amber-39);
}
.steel-workflow {
  display: grid;
  grid-template-columns: minmax(270px, 325px) minmax(0, 1fr);
  min-height: 450px;
}
.steel-steps {
  border-right: 1px solid var(--color-border);
  background: var(--color-page);
}
.steel-step {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 10px;
  padding: 19px 20px;
  border-bottom: 1px solid var(--color-border);
}
.steel-step-number {
  color: var(--color-accent);
  font-size: var(--text-base);
  font-weight: 800;
  padding-top: 3px;
}
.steel-step h4,
.steel-review h4 {
  margin: 0 0 6px;
  font-size: var(--text-2xl);
  color: var(--color-chrome);
}
.steel-step p {
  margin: 0 0 12px;
  line-height: 1.45 !important;
}
.steel-step label {
  margin-bottom: 5px;
  font-size: var(--text-md);
  font-weight: 650;
}
.steel-step select {
  width: 100%;
  margin-bottom: 8px;
}
.steel-step button {
  width: 100%;
  white-space: normal;
}
.steel-step small {
  display: block;
  margin-top: 8px;
  line-height: 1.4;
}
.steel-review {
  min-width: 0;
  padding: 19px 22px 25px;
}
.steel-review-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.steel-review-head h4 {
  margin: 3px 0 0;
}
.steel-source-chip {
  background: var(--color-surface-selected);
  border-color: var(--color-border-accent);
  color: var(--color-accent-strong);
}
#steel-case-status {
  margin: 0 0 10px;
  font-size: var(--text-md);
}
.steel-empty {
  border: 1px dashed var(--color-border-hover);
  border-radius: var(--radius-xl);
  padding: 17px;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.steel-input-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 25px;
}
.steel-input-summary > div {
  min-width: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 10px 12px;
  background: var(--color-surface);
}
.steel-input-summary span,
.steel-input-summary strong,
.steel-input-summary small {
  display: block;
  overflow-wrap: anywhere;
}
.steel-input-summary span {
  color: var(--color-text-muted);
  font-size: var(--text-base);
}
.steel-input-summary strong {
  margin: 3px 0;
  font-size: var(--text-lg);
  font-variant-numeric: tabular-nums;
}
.steel-result-hero {
  display: grid;
  grid-template-columns: 135px minmax(0, 1fr);
  gap: 16px;
  padding: 14px;
  margin-bottom: 14px;
  border: 1px solid var(--color-border-accent);
  border-radius: var(--radius-xl);
  background: var(--color-surface-selected);
}
.steel-result-hero > div:first-child > * {
  display: block;
}
.steel-result-hero strong[data-testid="steel-overall"] {
  font-size: 21px;
  margin: 4px 0;
}
.steel-result-hero p {
  margin: 0 0 3px;
  line-height: 1.4 !important;
}
.steel-result-fail {
  border-color: var(--red-78);
  background: var(--red-94);
}
.steel-result-unsupported,
.steel-result-indeterminate {
  border-color: var(--amber-85);
  background: var(--color-warn-surface);
}
.steel-check-table-wrap {
  overflow-x: auto;
}
.steel-check-table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
  font-variant-numeric: tabular-nums;
}
.steel-check-table-wrap th,
.steel-check-table-wrap td {
  text-align: left;
  vertical-align: top;
  padding: 9px 6px;
  border-bottom: 1px solid var(--color-border);
  white-space: normal;
}
.steel-check-table-wrap thead {
  background: var(--color-page);
}
.steel-check-table-wrap th small {
  display: block;
  color: var(--color-text-muted);
  font-weight: 400;
}
.steel-status {
  display: inline-block;
  border-radius: var(--radius-xs);
  padding: 2px 5px;
  font-weight: 750;
  background: var(--color-pass-surface);
  color: var(--green-34);
}
.steel-status-fail {
  background: var(--red-94);
  color: var(--color-fail);
}
.steel-status-unsupported,
.steel-status-indeterminate {
  background: var(--amber-95);
  color: var(--amber-39);
}
.steel-meter,
.steel-meter > span {
  display: block;
  height: 4px;
  border-radius: var(--radius-xs);
}
.steel-meter {
  margin-top: 4px;
  background: var(--slate-90);
}
.steel-meter > span {
  background: var(--color-accent);
}
.steel-check-table-wrap details {
  min-width: 110px;
  max-width: 250px;
  overflow-wrap: anywhere;
}
.steel-check-table-wrap details p {
  margin: 7px 0;
  line-height: 1.35 !important;
}
.steel-check-table-wrap dl > div {
  border-top: 1px solid var(--color-border);
  padding: 3px 0;
}
.steel-check-table-wrap dd {
  margin: 0;
  font-weight: 650;
  overflow-wrap: anywhere;
}
.steel-scope {
  border-top: 1px solid var(--color-border);
  padding: 14px 27px;
  background: var(--color-page);
}
.steel-scope summary {
  cursor: pointer;
  font-weight: 650;
}
.steel-scope li {
  margin: 4px 0;
}
@media (max-width: 760px) {
  .steel-intro,
  .steel-workflow {
    display: block;
  }
  .steel-steps {
    border-right: 0;
  }
  .steel-step {
    padding: 13px 16px;
  }
  .steel-input-summary {
    grid-template-columns: 1fr;
  }
  .steel-result-hero {
    grid-template-columns: 1fr;
  }
}

/* Draft concrete workflows occupy the existing inspector and central viewport. */
#concrete-inspector {
  padding: 16px;
  overflow: auto;
}
#concrete-inspector label {
  display: grid;
  gap: 5px;
  margin: 10px 0;
}
#concrete-inspector input,
#concrete-inspector select,
#concrete-inspector textarea {
  width: 100%;
  min-width: 0;
}
/* A checkbox and its words sit on one line, box first. */
#concrete-inspector .design-check {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
}
#concrete-inspector .design-check input {
  width: auto;
  margin: 0;
}
#concrete-inspector button {
  margin: 5px 4px 5px 0;
}
#design-preview-scene {
  position: absolute;
  inset: 62px 25px 38px;
  z-index: 5;
  background: color-mix(in srgb, var(--slate-97) 93.3%, transparent);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-3xl);
  padding: 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: auto;
}
#design-preview-scene[hidden] {
  display: none;
}
#design-preview-scene svg {
  width: 100%;
  min-height: 120px;
  max-height: 380px;
  flex: 1;
}
#design-preview-scene text {
  font-size: var(--text-2xs);
  fill: var(--slate-29);
}
#design-preview-scene p {
  font-size: var(--text-base);
  text-align: center;
}
#design-preview-scene .badge {
  margin-top: 8px;
}
[data-testid="preview-result"] pre {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.inspector-tabs {
  flex-wrap: wrap;
}
#model-nav button[data-preview] {
  grid-template-columns: minmax(0, 1fr) auto;
}

/* Approved design references: the compact shell itself lives in shell.css (ADR 0033). */
.design-object-title {
  padding: 10px 13px;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border);
}
.design-object-title small {
  color: var(--slate-47);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
}
.design-object-title h2 {
  margin: 3px 0 6px;
  font-size: 20px;
  color: var(--slate-17);
  display: flex;
  gap: 9px;
  align-items: center;
}
.design-tag {
  font-size: var(--text-2xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--amber-46);
  background: var(--amber-95);
  border: 1px solid var(--amber-87);
  padding: 3px 6px;
  border-radius: var(--radius-xs);
  font-weight: 600;
}
.design-object-title select {
  font-size: var(--text-sm);
  padding: 4px 7px;
}
.design-section {
  padding: 9px 13px;
  border-bottom: 1px solid var(--color-border);
}
.design-section h3 {
  margin: 0 0 8px;
  color: var(--slate-17);
  font-size: var(--text-base);
}
.design-subsection {
  margin: 10px 0 0;
  padding: 8px 0 0;
  border: 0;
  border-top: 1px dashed var(--color-border);
}
.design-subsection legend {
  padding: 0;
  color: var(--slate-17);
  font-size: var(--text-sm);
  font-weight: 600;
}
#concrete-inspector .design-field,
#steel-design-inspector .design-field {
  display: grid;
  grid-template-columns: minmax(90px, 1fr) minmax(110px, 1.2fr) 17px;
  align-items: center;
  gap: 7px;
  margin: 5px 0;
  font-size: var(--text-sm);
}
.design-field-control {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-xs);
  background: white;
  min-width: 0;
}
#concrete-inspector .design-field input,
#steel-design-inspector .design-field input {
  min-height: 25px;
  height: 25px;
  font-size: var(--text-sm);
  padding: 3px 6px;
  border: 0;
  width: 100%;
  background: transparent;
}
.design-field .unit {
  padding-right: 6px;
  font-size: var(--text-xs);
  color: var(--slate-47);
  white-space: nowrap;
}
#concrete-inspector select,
#steel-design-inspector select {
  font-size: var(--text-sm);
  padding: 4px 6px;
  min-height: 27px;
}
.input-origin {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 15px;
  height: 15px;
  background: var(--color-page);
  color: var(--color-text-muted);
  border-radius: 50%;
  font-size: var(--text-2xs);
  text-decoration: none;
  cursor: help;
}
.design-field.full {
  grid-template-columns: 1fr !important;
}
#concrete-inspector textarea {
  min-height: 43px;
  font-size: var(--text-sm);
  padding: 5px;
}
.design-section-sketch {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 9px;
  align-items: start;
}
.design-section-sketch svg {
  width: 80px;
  height: 110px;
  background: var(--color-page);
  border: 1px solid var(--color-border);
}
.design-section-sketch svg text {
  display: none;
}
.design-section-sketch .design-field {
  grid-template-columns: 1fr 95px 15px !important;
}
.source-key,
.design-section small {
  font-size: var(--text-xs);
  line-height: 1.45;
  color: var(--slate-47);
}
.design-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 5px;
}
#concrete-inspector button,
#steel-design-inspector button {
  font-size: var(--text-sm);
  min-height: 27px;
  padding: 5px 8px;
  margin: 0;
}
.readiness-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 10px;
  font-size: var(--text-xs);
  margin: 10px 0;
}
.readiness-grid span {
  color: var(--slate-47);
}
.design-note {
  background: var(--color-page);
  border-left: 3px solid var(--blue-68);
  padding: 8px 10px;
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--slate-36);
  margin: 7px 0;
}
#concrete-inspector > .design-note {
  margin: 8px 12px;
  background: var(--color-warn-surface);
  border-color: var(--amber-70);
}
.design-create {
  padding: 7px 12px;
  font-size: var(--text-sm);
}
.design-inline {
  display: flex;
  gap: 6px;
  margin-top: 7px;
}
.design-delete {
  margin: 5px 12px !important;
  color: var(--red-39-2);
}
.design-result-tabs {
  display: flex;
  align-items: center;
  gap: 1px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
  padding: 0 8px;
  overflow: auto;
}
.design-result-tabs button {
  border: 0;
  border-radius: 0;
  padding: 8px 10px;
  font-size: var(--text-sm);
  background: transparent;
  white-space: nowrap;
}
.design-result-tabs button[aria-pressed="true"] {
  color: var(--color-accent);
  box-shadow: inset 0 -2px var(--blue-49);
}
.design-pane {
  padding: 10px 12px;
}
.design-summary-grid {
  display: grid;
  grid-template-columns: 210px minmax(280px, 1.6fr) minmax(180px, 1fr);
  gap: 15px;
  align-items: start;
}
.design-verdict {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 14px 5px;
}
.verdict-symbol {
  font-size: 32px;
  color: var(--amber-57);
}
.design-verdict strong {
  display: block;
  font-size: 19px;
  color: var(--amber-50);
  margin: 5px 0;
}
.design-verdict small {
  display: block;
  color: var(--slate-47);
  font-size: var(--text-xs);
}
.design-verdict p {
  margin: 8px 0;
}
.design-verdict span b {
  font-size: 25px;
  margin-left: 15px;
}
.design-verdict.pass .verdict-symbol,
.design-verdict.pass strong {
  color: var(--color-pass);
}
.design-verdict.fail .verdict-symbol,
.design-verdict.fail strong {
  color: var(--color-fail);
}
.design-proposal {
  grid-column: 1 / -1;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 10px 12px;
  font-size: var(--text-sm);
}
.design-pair {
  display: flex;
  gap: 6px;
}
.design-pair input {
  width: 50%;
  min-width: 0;
}
.design-proposal h4 {
  margin: 0 0 8px;
  font-size: var(--text-base);
}
.design-proposal small {
  display: block;
  color: var(--slate-47);
  margin: 6px 0;
}
.design-notes h4,
.reinforcement-layout h4,
.mechanics-states h4 {
  margin: 4px 0 9px;
  font-size: var(--text-base);
}
.design-notes p {
  font-size: var(--text-sm);
  margin: 8px 0;
}
.design-result-workspace table,
.native-design-workspace table {
  font-size: var(--text-sm);
  width: 100%;
  border-collapse: collapse;
}
.design-result-workspace th,
.design-result-workspace td,
.native-design-workspace th,
.native-design-workspace td {
  padding: 5px 8px;
  border: 1px solid var(--color-border);
  text-align: left;
}
.design-result-workspace th,
.native-design-workspace th {
  background: var(--color-page);
}
.check-link {
  border: 0;
  background: none;
  font-size: var(--text-sm);
  padding: 0;
  text-align: left;
  color: var(--blue-27);
}
.check-link:hover {
  color: var(--color-accent);
  text-decoration: underline;
}
.status-text {
  font-size: var(--text-xs);
  font-weight: 600;
}
.status-text.unsupported {
  color: var(--amber-50);
}
/* EC2 profile statuses (ADR 0016, ADR 0026); same palette as badges. */
.status-text.pass {
  color: var(--color-pass);
}
.status-text.fail {
  color: var(--color-fail);
}
.status-text.indeterminate {
  color: var(--color-warn);
}
.design-check {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: var(--text-base);
  margin: 8px 0 2px;
}
.design-provenance-grid {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 7px 12px;
  font-size: var(--text-sm);
}
.design-provenance-grid dt {
  color: var(--slate-47);
}
.design-provenance-grid dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.calculation-layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 18px;
}
.calculation-layout nav {
  border-right: 1px solid var(--color-border);
  padding-right: 10px;
}
.calculation-layout nav button {
  display: block;
  width: 100%;
  text-align: left;
  font-size: var(--text-sm);
  border: 0;
  background: none;
  padding: 7px;
}
.calculation-layout nav button.active {
  background: var(--color-surface-accent);
  color: var(--color-accent);
}
.calculation-layout article h3 {
  margin: 4px 0 10px;
  font-size: var(--text-xl);
}
.reinforcement-layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
}
.reinforcement-layout article {
  border: 1px solid var(--color-border);
  padding: 9px;
}
/* Sagging and hogging section-mechanics states side by side, equal width;
   wide layer tables scroll inside their card. */
.mechanics-states {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.mechanics-states article {
  border: 1px solid var(--color-border);
  padding: 9px;
  min-width: 0;
  overflow-x: auto;
}
.design-drawing {
  width: 100%;
  max-height: 210px;
}
.section-drawing {
  width: 100%;
  height: 160px;
}
.conn-drawing {
  width: 100%;
  max-width: 760px;
  height: auto;
  background: var(--color-surface);
}
.conn-drawing text {
  font-size: var(--text-sm);
  fill: var(--slate-29);
}
.design-drawing text,
.section-drawing text {
  font-size: var(--text-sm);
  fill: var(--slate-29);
}
#design-preview-scene {
  inset: 12px 12px auto;
  padding: 0;
  background: none;
  border: 0;
  border-radius: 0;
  display: block;
  z-index: 8;
  pointer-events: none;
  overflow: visible;
}
#design-preview-scene[hidden] {
  display: none;
}
.design-scene-heading {
  display: flex;
  gap: 9px;
  align-items: center;
  font-size: var(--text-md);
}
.design-view-switch {
  display: flex;
  gap: 3px;
  margin: 9px 0;
  pointer-events: auto;
}
.design-view-switch button {
  font-size: var(--text-xs);
  padding: 5px 9px;
  background: color-mix(in srgb, var(--white) 92.9%, transparent);
}
.design-view-switch button[aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent);
  border-color: var(--color-border-accent);
}
#design-preview-scene small {
  font-size: var(--text-xs);
  color: var(--slate-53);
}
#design-geometry-labels {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 6;
}
#design-geometry-labels span {
  position: absolute;
  transform: translate(-50%, -50%);
  padding: 5px 8px;
  border: 1px solid var(--color-border-strong);
  background: color-mix(in srgb, var(--white) 92.2%, transparent);
  color: var(--blue-33);
  font-size: var(--text-sm);
  white-space: nowrap;
  box-shadow: 0 2px 5px color-mix(in srgb, var(--slate-21) 12.5%, transparent);
}
.concrete-focus #viewport-labels,
.concrete-focus .view-caption,
.concrete-focus .view-legend,
.concrete-focus #action-legend,
.concrete-focus #reference-plane {
  display: none !important;
}
/* The object heading takes the caption's place, in focus and with model
   context alike (ADR 0035). */
.design-object-open .view-caption {
  display: none !important;
}
@media (max-width: 1100px) {
  .design-summary-grid {
    grid-template-columns: 180px minmax(0, 1fr);
  }
  .design-notes {
    grid-column: 1/-1;
  }
  .design-section-sketch {
    grid-template-columns: 65px minmax(0, 1fr);
  }
  .design-section-sketch svg {
    width: 65px;
  }
  .reinforcement-layout,
  .mechanics-states {
    grid-template-columns: 1fr;
  }
}
.steel-section-card {
  display: grid;
  grid-template-columns: 85px minmax(0, 1fr);
  gap: 12px;
  padding: 7px 0;
}
.steel-section-card svg {
  width: 85px;
  height: 95px;
  background: var(--color-page);
  border: 1px solid var(--color-border);
}
.steel-section-card strong {
  display: block;
  font-size: var(--text-md);
}
.steel-section-card small {
  display: block;
  margin: 4px 0;
}
.steel-section-card dl {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 4px;
  margin: 5px 0;
  font-size: var(--text-sm);
}
.steel-section-card dd {
  margin: 0;
}
#steel-design-inspector .design-basis-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: var(--text-sm);
  margin: 8px 0;
}
#steel-design-inspector .design-basis-check input {
  width: 14px;
}
#steel-design-inspector .design-inline {
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-sm);
}
.catalogue-browser {
  font-size: var(--text-sm);
  margin-top: 8px;
}
.catalogue-browser table {
  width: 100%;
  font-size: var(--text-sm);
}
.catalogue-browser button {
  border: 0;
  background: none;
  color: var(--color-accent);
  padding: 3px !important;
}
.readiness-issues {
  font-size: var(--text-xs);
  color: var(--amber-51);
  padding-left: 17px;
}
.steel-summary-pane {
  display: grid;
  grid-template-columns: 240px minmax(350px, 1fr) 240px;
  gap: 12px;
  padding: 12px;
  align-items: start;
}
.steel-summary-pane .steel-result-hero {
  display: block;
  padding: 8px;
  margin: 0;
  background: white;
  border: 0;
}
.steel-summary-pane .steel-result-hero strong[data-testid="steel-overall"] {
  font-size: 25px;
  text-transform: uppercase;
}
.steel-summary-pane .steel-result-hero p {
  font-size: var(--text-sm);
  line-height: 1.5;
}
.steel-summary-pane .steel-result-hero small {
  font-size: var(--text-xs);
}
.steel-summary-pane .steel-check-table-wrap {
  margin: 0;
  min-width: 0;
  overflow: auto;
}
.steel-summary-pane table th,
.steel-summary-pane table td {
  padding: 6px;
  font-size: var(--text-xs);
}
.steel-summary-pane table td:nth-child(7),
.steel-summary-pane table th:nth-child(7),
.steel-summary-pane th small {
  display: none;
}
.native-design-workspace .design-provenance {
  font-size: var(--text-sm);
}
.native-design-workspace .design-provenance dl {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 7px;
}
.native-design-workspace .design-provenance dd {
  overflow-wrap: anywhere;
  margin: 0;
}
@media (max-width: 1350px) {
  .steel-summary-pane {
    grid-template-columns: 190px minmax(0, 1fr);
  }
  .steel-summary-pane .design-notes {
    grid-column: 1/-1;
  }
}
}

@layer features {
/* explorer — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Model Explorer follows the reference's nested, searchable structure. */
.explorer-tools {
  padding: 8px 10px;
}
.explorer-tools input {
  width: 100%;
  min-width: 0;
  padding: 6px 8px;
}
.explorer-tools > div {
  display: flex;
  justify-content: space-between;
  margin-top: 5px;
}
.explorer-tools button {
  padding: 3px;
  border: 0;
  background: transparent;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
#model-nav {
  padding: 0 8px 12px;
}
#model-nav details {
  border: 0;
  margin: 0;
  padding: 0;
}
#model-nav summary {
  display: list-item;
  cursor: pointer;
  font-size: var(--text-base);
  padding: 5px 2px;
  white-space: nowrap;
  color: var(--color-text);
}
#model-nav summary small {
  margin-left: 5px;
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
#model-nav .explorer-children {
  margin-left: 9px;
  padding-left: 5px;
  border-left: 1px solid var(--color-border);
}
#model-nav .explorer-note {
  font-size: var(--text-xs);
  color: var(--slate-47);
  line-height: 1.4;
  margin: 4px 0 7px;
}
#model-nav .explorer-empty {
  margin: 3px 0 6px;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
#model-nav button {
  min-height: 26px;
  padding: 4px;
  gap: 4px;
  font-size: var(--text-sm);
  border-radius: var(--radius-xs);
}
#model-nav button.explorer-leaf {
  grid-template-columns: 14px minmax(0, 1fr);
}
#model-nav .explorer-leaf small {
  grid-column: 2;
  font-size: var(--text-2xs);
  color: var(--color-text-muted);
  overflow-wrap: anywhere;
}
#model-nav button.explorer-manage {
  grid-template-columns: 1fr auto 12px;
  font-weight: 600;
}
#model-nav .entity {
  margin: 1px 0;
  width: 100%;
  grid-template-columns: 12px minmax(0, 1fr);
}
#model-nav .entity small {
  grid-column: 2;
  font-size: var(--text-2xs);
}
#model-nav [hidden] {
  display: none !important;
}
#explorer-empty {
  font-size: var(--text-base);
  margin: 10px;
  color: var(--color-text-muted);
}
.project-summary {
  padding: 9px 12px;
}

#model-nav .entity {
  grid-template-columns: minmax(0, 1fr);
}
#model-nav .entity small {
  grid-column: 1;
  white-space: normal;
}
#model-nav .entity.hierarchy-child {
  margin-left: 10px;
  width: calc(100% - 10px);
}

.structure-members {
  max-height: 260px;
  overflow: auto;
  min-width: 0;
}
.structure-members label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.structure-members input {
  width: auto;
}

/* Structure forms share the narrow Selection Inspector, not dialog columns. */
#structure-form {
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
#structure-form > * {
  min-width: 0;
  overflow-wrap: anywhere;
}
#structure-form .property-actions {
  display: flex;
  flex-wrap: wrap;
}
#model-nav button.structure-leaf {
  grid-template-columns: minmax(0, 1fr);
}
#model-nav button.structure-leaf small {
  grid-column: 1;
}
#model-nav button.structure-leaf span {
  white-space: normal;
  overflow-wrap: anywhere;
}

/* REVIEW-03: scoped model inspection in the existing four-panel shell. */
.model-display {
  display: inline-flex;
  align-items: center;
  flex: none;
}
.model-display > span {
  margin-right: 7px;
  color: var(--color-text-muted);
}
.model-display > button {
  border-radius: 0;
}
.model-display > button:first-of-type {
  border-radius: 4px 0 0 4px;
}
.model-display > button:last-child {
  margin-left: -1px;
  border-radius: 0 4px 4px 0;
}
.model-display > button[aria-pressed="true"] {
  background: var(--color-surface-accent);
  border-color: var(--color-border-accent);
  color: var(--color-accent-strong);
  position: relative;
}
.model-view-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  align-items: flex-end;
  padding: 5px 9px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
  font-size: var(--text-sm);
}
.model-view-scope label {
  display: flex;
  align-items: stretch;
  gap: 4px;
}
.model-view-scope select {
  max-width: 145px;
  width: 100%;
}
.model-view-scope button,
.model-view-scope select {
  font-size: var(--text-sm);
  padding: 5px 7px;
  min-height: 28px;
  height: 28px;
}
#view-scope-status {
  color: var(--slate-36);
  margin-left: auto;
}
.view-options {
  position: relative;
  font-size: var(--text-base);
}
.view-options > summary {
  cursor: pointer;
  padding: 7px 9px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: white;
}
.view-options-content {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 30;
  min-width: 225px;
  display: grid;
  gap: 5px;
  padding: 10px;
  background: white;
  border: 1px solid var(--color-border-strong);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--slate-17) 20%, transparent);
}
#model-nav [aria-current="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent);
  border-color: var(--color-border-accent);
}

.steel-overview {
  padding: 10px 14px;
}
.steel-overview header,
.steel-review-filters {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.steel-overview header > div {
  flex: 1;
}
.steel-overview h3,
.steel-overview header p {
  margin: 0 0 5px;
}
.steel-review-filters {
  margin: 10px 0;
}
.steel-review-filters label {
  display: flex;
  align-items: center;
  gap: 6px;
}
.steel-review-filters input {
  width: 90px;
}
.steel-overview tr[aria-selected="true"] {
  background: var(--color-surface-selected);
}
.steel-overview details p {
  overflow-wrap: anywhere;
}

@media (min-width: 1101px) {
  .work-grid:has(.steel-overview):not(.results-collapsed):not(.hide-results) {
    grid-template-rows: minmax(220px, 1fr) minmax(320px, 46vh);
  }
}
.steel-workspace-nav {
  display: flex;
  gap: 6px;
  padding: 8px 14px 0;
}
.steel-workspace-nav [aria-pressed="true"] {
  color: var(--color-accent-strong);
  border-color: var(--blue-75);
  background: var(--color-surface-selected);
}
.catalogue-study > label {
  max-width: 260px;
}
.catalogue-study [data-testid="candidate-results"] p {
  overflow-wrap: anywhere;
}
.candidate-pool {
  margin: 8px 0;
}
.candidate-pool summary {
  padding: 6px 0;
  cursor: pointer;
}
.steel-colour-toggle {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: auto;
  font-size: var(--text-sm);
}
.steel-colour-toggle input {
  width: auto;
}
#steel-review-legend {
  position: absolute;
  left: 12px;
  bottom: 8px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-size: var(--text-xs);
  background: color-mix(in srgb, var(--white) 94.1%, transparent);
  padding: 4px;
  pointer-events: none;
}
#steel-review-legend span {
  border-left: 5px solid;
  padding-left: 4px;
}
.concrete-focus #steel-review-legend {
  display: none;
}

/* Keep the complete Explorer accessible while avoiding layout of offscreen rows. */
.physical-object {
  content-visibility: auto;
  contain-intrinsic-size: auto 64px;
}
}

@layer features {
/* results — feature rules, imported into the features layer in original
 * cascade order (ADR 0033). */
/* Stability results workspace (M09) */
.stability-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  align-items: end;
  margin: 8px 0 12px;
}
.stability-settings fieldset {
  display: flex;
  gap: 12px;
  border: 0;
  margin: 0;
  padding: 0;
}
.stability-settings input[type="number"] {
  width: 7em;
}

/* Steel serviceability (ADR 0020): a separate status beside strength */
.steel-serviceability {
  margin: 10px 0;
  padding: 10px 12px;
  border: 1px solid var(--border, var(--color-border));
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
}
.steel-serviceability h4 {
  margin: 0 0 6px;
  font-size: var(--text-base);
}

/* Slab plate analysis results (plate-v1, ADR 0021). */
.plate-pane {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.plate-map .design-view-switch {
  flex-wrap: wrap;
}
.plate-contour {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.plate-tables table {
  width: 100%;
}
.plate-tables td:first-child {
  color: var(--color-text-muted);
  white-space: nowrap;
}
@media (max-width: 900px) {
  .plate-pane {
    grid-template-columns: 1fr;
  }
}

/* RC column section mechanics (ADR 0022). */
.column-pane {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
}
.column-contour {
  display: block;
  width: 100%;
  height: auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}
.column-pane tr.governing td {
  font-weight: 600;
}
@media (max-width: 900px) {
  .column-pane {
    grid-template-columns: 1fr;
  }
}

/* Dynamic response (response-v1, ADR 0023). */
.response-plot {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
  margin: 6px 0 10px;
}
.response-pick {
  display: flex;
  gap: 12px;
  align-items: center;
  margin: 6px 0;
}
.response-workspace textarea {
  width: 100%;
  font-family: ui-monospace, monospace;
}
.response-workspace tr.governing td,
.response-workspace tr.governing th {
  font-weight: 600;
}

/* Slab columns (plate-v1 point supports). */
.slab-column {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: end;
  padding: 6px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: var(--text-sm);
}
.slab-column label {
  display: grid;
  gap: 2px;
}
.slab-column input {
  width: 84px;
}
.slab-column[data-source="model"] input {
  background: var(--color-page);
}
.slab-column-source {
  color: var(--color-text-muted);
}
.slab-derive,
.slab-apply {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 8px 0;
}
.slab-derive span {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.slab-placement {
  margin: 8px 0;
}
.slab-placement small {
  display: block;
  color: var(--color-text-muted);
}

/* Model exchange (exchange-v1): conversion review and ledgers. */
.exchange-review {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  width: min(920px, 100%);
  overflow-wrap: anywhere;
}
.exchange-review table {
  width: 100%;
}
.exchange-columns > section {
  min-width: 0;
}
.exchange-disclosure {
  color: var(--color-text-muted);
  margin: 0;
}
.exchange-source {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 2px 12px;
  margin: 0;
}
.exchange-source dd {
  margin: 0;
  overflow-wrap: anywhere;
}
.exchange-columns {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.exchange-decision {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin: 0 0 8px;
  padding: 8px 12px;
}
.exchange-decision {
  min-width: 0;
}
.exchange-decision legend {
  font-weight: 600;
  padding: 0 4px;
  white-space: normal;
  max-width: 100%;
}
.exchange-choice {
  display: block;
  margin: 2px 0;
}
.exchange-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 6px 12px;
  margin-top: 6px;
}
.exchange-fields label {
  display: grid;
  gap: 2px;
  font-size: 0.9em;
}
.exchange-affects {
  display: block;
  color: var(--color-text-muted);
  margin-top: 4px;
  overflow-wrap: anywhere;
}
.exchange-ledger {
  width: 100%;
  border-collapse: collapse;
}
.exchange-ledger th,
.exchange-ledger td {
  border-bottom: 1px solid var(--color-border);
  padding: 4px 6px;
  text-align: left;
  vertical-align: top;
}
.exchange-ledger small {
  overflow-wrap: anywhere;
}
.exchange-blocking {
  border: 1px solid var(--red-40);
  border-radius: var(--radius-lg);
  padding: 8px 12px;
  color: var(--red-27);
}
.exchange-error:empty {
  display: none;
}
.exchange-error {
  color: var(--color-danger);
}
}

@layer shell {
/*
 * Workbench shell (ADR 0033): the one definition of the workspace frame —
 * project bar, ribbon, panel grid, splitters, canvas toolbar, tab strips,
 * dock and status bar. Imported into the `shell` layer, so it wins over any
 * feature selector for the properties it sets. Uses role tokens only.
 *
 * Breakpoints: compact ≤ 900 px (single panel, legacy feature rules),
 * medium ≤ 1280 px, wide ≥ 1600 px.
 */

/* ---------- frame ---------- */
body:has(#workspace:not([hidden])) {
  font-size: var(--text-base);
}
@media (min-width: 901px) {
  #workspace:not([hidden]) {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    min-height: 560px;
  }
  #workspace > :not(.work-grid) {
    flex-shrink: 0;
  }
}

/* ---------- project bar ---------- */
.projectbar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  justify-content: flex-start;
  gap: var(--space-4);
  height: auto;
  min-height: 44px;
  padding: 3px 10px;
  background: var(--color-chrome-raised);
  color: var(--color-text-on-chrome);
  border-bottom: 0;
}
.projectbar button,
.projectbar #project-name {
  color: var(--color-text-on-chrome);
}
.projectbar .project-identity {
  display: flex;
  align-items: center;
  flex: 1 1 120px;
  gap: var(--space-3);
  min-width: 0;
}
.projectbar .project-identity #project-name {
  width: 100%;
  max-width: 340px;
  min-width: 80px;
  height: 30px;
  padding: 2px 6px;
  font-size: var(--text-md);
  font-weight: var(--weight-semibold);
  background: transparent;
  border: 1px solid transparent;
  text-overflow: ellipsis;
}
.projectbar .project-identity #project-name:hover,
.projectbar .project-identity #project-name:focus {
  border-color: var(--color-border-on-chrome);
}
.projectbar #save-status,
.projectbar .saved-state {
  color: var(--color-text-on-chrome-muted);
  font-size: var(--text-sm);
  white-space: nowrap;
}
.projectbar .project-actions {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--space-2);
  margin-left: auto;
  width: auto;
}
.projectbar .project-actions > button:not(.primary) {
  background: transparent;
  border-color: transparent;
}
.projectbar .project-actions > button:not(.primary):hover {
  background: var(--color-chrome-hover);
}
.projectbar .project-actions button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-base);
  padding: 6px 8px;
}
.projectbar .project-actions button .command-icon {
  width: 16px;
  height: 16px;
}
.projectbar .application-menubar button {
  font-size: var(--text-base);
}

/* ---------- ribbon: one density everywhere ---------- */
.command-ribbon {
  min-height: var(--shell-ribbon-height);
  padding: 3px 8px;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border-strong);
}
.ribbon-content {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-3);
  min-height: 34px;
  padding: 2px 4px;
  overflow: hidden;
}
.ribbon-group {
  display: flex;
  flex: none;
  align-items: center;
  gap: 0;
  padding: 0 var(--space-3) 0 0;
  border-right: 1px solid var(--color-border);
}
.ribbon-group:last-child {
  border-right: 0;
}
.ribbon-caption {
  display: none;
}
.ribbon-commands {
  display: flex;
  gap: var(--space-1);
}
.ribbon-commands button {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  min-width: 0;
  min-height: 30px;
  padding: 4px 7px;
  font-size: var(--text-sm);
  border: 1px solid transparent;
  background: transparent;
}
.ribbon-commands button:hover {
  background: var(--color-surface);
  border-color: var(--color-border);
}
.ribbon-commands [aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
.ribbon-commands button svg {
  width: 17px;
  height: 17px;
  margin: 0;
  flex: none;
}
/* Under width pressure a group keeps icons; labels stay for AT and tooltips. */
.ribbon-group.icons-only .ribbon-commands button > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}
.ribbon-group.icons-only .ribbon-commands button {
  padding: 4px 6px;
}
/* Visually hidden labels are absolutely positioned: keep them inside the
 * control, so a scrolling ancestor still clips them. */
.ribbon-commands button,
.canvas-navigation button,
.viewport-toolbar .inline-label {
  position: relative;
}

/* ---------- message banner ---------- */
#message:not([hidden]) {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: 7px 12px 7px 16px;
  font-size: var(--text-base);
}
#message-text {
  flex: 1;
  white-space: pre-line;
}
#dismiss-message {
  flex: none;
  width: 24px;
  height: 24px;
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}
#dismiss-message::before {
  content: "×";
  font-size: var(--text-2xl);
  line-height: 1;
}

/* ---------- panel grid ---------- */
@media (min-width: 901px) {
  /* --explorer-w, --inspector-w and --dock-h are a viewer's sizes, set on
   * the root by the splitters; the shell tokens are the defaults. */
  .work-grid {
    display: grid;
    flex: 1;
    height: auto;
    min-height: 0;
    grid-template-columns:
      var(--explorer-w, var(--shell-explorer-width))
      minmax(0, 1fr)
      var(--inspector-w, var(--shell-inspector-width));
    grid-template-rows: minmax(0, 1fr) var(--dock-h, var(--shell-dock-height));
  }
  .work-grid .model-panel {
    grid-column: 1;
    grid-row: 1 / 3;
  }
  .work-grid .canvas-panel {
    grid-column: 2;
    grid-row: 1;
    min-height: 0;
  }
  .work-grid .inspector {
    grid-column: 3;
    grid-row: 1;
  }
  .work-grid .results-panel {
    grid-column: 2 / 4;
    grid-row: 2;
    min-height: 0;
    max-height: none;
  }
  .work-grid.hide-model {
    grid-template-columns:
      0px minmax(0, 1fr)
      var(--inspector-w, var(--shell-inspector-width));
  }
  .work-grid.hide-properties {
    grid-template-columns:
      var(--explorer-w, var(--shell-explorer-width))
      minmax(0, 1fr) 0px;
  }
  .work-grid.hide-model.hide-properties {
    grid-template-columns: 0px minmax(0, 1fr) 0px;
  }
  .work-grid.hide-model .model-panel,
  .work-grid.hide-properties .inspector,
  .work-grid.hide-results .results-panel {
    display: none;
  }
  .work-grid.results-collapsed {
    grid-template-rows: minmax(0, 1fr) calc(var(--shell-tab-height) + 4px);
  }
  .work-grid.hide-results {
    grid-template-rows: minmax(0, 1fr);
  }
  /* The model steel review is a table first: give it room by default. */
  .work-grid:has(.steel-overview):not(.results-collapsed):not(.hide-results) {
    grid-template-rows: minmax(0, 1fr) var(
        --dock-h,
        max(var(--shell-dock-height), 46vh)
      );
  }
  .work-grid .canvas-wrap {
    min-height: 120px;
  }
}
.model-panel,
.canvas-panel,
.inspector,
.results-panel {
  position: relative;
  min-width: 0;
}
.panel-title {
  min-height: 34px;
  height: 34px;
  padding: 8px 12px;
  font-size: var(--text-base);
  background: var(--color-page);
}

/* ---------- splitters: grid items on the track edges ---------- */
.splitter {
  position: relative;
  z-index: var(--z-splitter);
  background: transparent;
  touch-action: none;
}
.splitter-explorer,
.splitter-inspector {
  width: var(--shell-splitter);
  cursor: col-resize;
}
.splitter-explorer {
  grid-column: 1;
  grid-row: 1 / 3;
  justify-self: end;
}
.splitter-inspector {
  grid-column: 3;
  grid-row: 1;
  justify-self: start;
}
.splitter-dock {
  grid-column: 2 / 4;
  grid-row: 2;
  align-self: start;
  height: var(--shell-splitter);
  cursor: row-resize;
}
.splitter:hover,
.splitter.dragging,
.splitter:focus-visible {
  background: color-mix(in srgb, var(--color-accent) 35%, transparent);
  outline: none;
}
.work-grid.hide-model > .splitter-explorer,
.work-grid.hide-properties > .splitter-inspector,
.work-grid.hide-results > .splitter-dock,
.work-grid.results-collapsed > .splitter-dock {
  display: none;
}
@media (max-width: 900px) {
  .splitter {
    display: none;
  }
}

/* ---------- canvas toolbar: one row ---------- */
.viewport-toolbar {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: var(--space-3);
  height: auto;
  min-height: 40px;
  padding: 5px 9px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.viewport-toolbar button,
.viewport-toolbar select,
.viewport-toolbar summary {
  min-height: 28px;
  padding: 4px 7px;
  font-size: var(--text-sm);
}
.viewport-toolbar label,
.viewport-toolbar .inline-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  white-space: nowrap;
}
.viewport-toolbar .inline-label > span {
  color: var(--color-text-muted);
}
.viewport-toolbar .inline-label select {
  max-width: 150px;
  padding: 4px;
  font-size: var(--text-sm);
}
.viewport-toolbar input[type="number"] {
  width: 64px;
}
.viewport-toolbar .spacer {
  flex: 1;
}
/* Narrower canvases keep every control: labels give way first. */
@media (max-width: 1440px) {
  .viewport-toolbar .inline-label > span {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip-path: inset(50%);
  }
}
@media (max-width: 1366px) {
  .viewport-toolbar .inline-label select {
    max-width: 124px;
  }
  .viewport-toolbar .segmented button {
    padding: 4px 6px;
  }
}
@media (min-width: 901px) and (max-width: 1280px) {
  .viewport-toolbar .inline-label select {
    max-width: 112px;
  }
}
/* Below the medium width the row may wrap; it never clips. */
@media (max-width: 1180px) and (min-width: 901px) {
  .viewport-toolbar {
    flex-wrap: wrap;
  }
}
.view-options {
  position: relative;
}
.view-options > summary {
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  white-space: nowrap;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}
.view-options > summary::-webkit-details-marker {
  display: none;
}
.view-options > summary::after {
  content: "▾";
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}
.view-options[open] > summary {
  background: var(--color-surface-accent);
  border-color: var(--color-border-accent);
}
.view-scope[data-filtered] > summary {
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
#view-scope-badge:not(:empty) {
  padding: 0 5px;
  border-radius: var(--radius-pill);
  background: var(--color-accent);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
}
/* Closed <details> content still takes part in layout in Chrome. */
.view-options:not([open]) > .view-options-content {
  display: none;
}
.view-options-content {
  position: absolute;
  right: 0;
  top: calc(100% + 4px);
  z-index: var(--z-popover);
  min-width: 240px;
  display: grid;
  gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
}
.model-view-scope label {
  display: grid;
  grid-template-columns: 60px minmax(0, 1fr);
  align-items: center;
  gap: var(--space-4);
}
.view-scope-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}
#view-scope-status {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

/* ---------- floating canvas navigation ---------- */
.canvas-navigation {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: var(--z-canvas-overlay);
  display: flex;
  flex-direction: column;
  flex-wrap: nowrap;
  gap: var(--space-1);
  padding: var(--space-1);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
}
.canvas-navigation button {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  padding: 0;
  border-color: transparent;
  background: transparent;
}
.canvas-navigation button > span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
}
.canvas-navigation [aria-pressed="true"] {
  background: var(--color-surface-accent);
  color: var(--color-accent-strong);
  border-color: var(--color-border-accent);
}
.canvas-navigation .command-icon {
  width: 16px;
  height: 16px;
}

/* ---------- tab strips ---------- */
.tab-strip {
  position: relative;
  display: flex;
  align-items: stretch;
  flex: 1;
  min-width: 0;
}
.tab-scroll {
  display: flex;
  flex: 1;
  min-width: 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  overscroll-behavior-x: contain;
}
.tab-scroll::-webkit-scrollbar {
  display: none;
}
.tab-strip[data-overflowing]:not([data-at-start]) .tab-scroll {
  mask-image: linear-gradient(to right, transparent, #000 24px);
}
.tab-strip[data-overflowing]:not([data-at-end]) .tab-scroll {
  mask-image: linear-gradient(to left, transparent, #000 24px);
}
.tab-strip[data-overflowing]:not([data-at-start]):not([data-at-end])
  .tab-scroll {
  mask-image: linear-gradient(
    to right,
    transparent,
    #000 24px,
    #000 calc(100% - 24px),
    transparent
  );
}
.tab-step,
.tab-more {
  flex: none;
  width: 24px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--color-text-muted);
}
.tab-step:hover,
.tab-more:hover {
  color: var(--color-accent);
  background: var(--color-surface-accent);
}
.tab-step,
.tab-more {
  display: none;
}
.tab-strip[data-overflowing] .tab-more,
.tab-strip[data-overflowing]:not([data-at-start]) .tab-step-prev,
.tab-strip[data-overflowing]:not([data-at-end]) .tab-step-next {
  display: block;
}
.tab-scroll > button {
  flex: none;
  white-space: nowrap;
}

/* Inspector tabs. */
.inspector-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  padding: 0 4px;
  background: var(--color-page);
  border-bottom: 1px solid var(--color-border);
}
.inspector-tabs .tab-scroll > button {
  min-height: 32px;
  padding: 9px 7px;
  font-size: var(--text-sm);
  border: 0;
  border-radius: 0;
  background: transparent;
}
.inspector-tabs .tab-scroll > button[aria-pressed="true"] {
  color: var(--color-accent);
  box-shadow: inset 0 -2px var(--color-accent-indicator);
}
.inspector #concrete-inspector,
.inspector #steel-design-inspector {
  padding: 0;
}
.inspector .primary {
  width: auto;
  min-width: 135px;
}
#preview-error:empty,
#design-message:empty {
  display: none;
}

/* Results dock. */
.results-panel {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-strong);
  overflow: hidden;
}
.results-tabs {
  display: flex;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: var(--space-3);
  height: var(--shell-tab-height);
  min-height: var(--shell-tab-height);
  padding: 0 7px;
  border-bottom: 1px solid var(--color-border);
  overflow: visible;
}
.results-tabs .tab-scroll > button {
  height: 100%;
  padding: 0 9px;
  font-size: var(--text-sm);
  border: 0;
  border-radius: 0;
  background: none;
}
.results-tabs .tab-scroll > button.active {
  color: var(--color-accent);
  box-shadow: inset 0 -2px var(--color-accent-indicator);
  font-weight: var(--weight-semibold);
  border-bottom: 0;
}
.results-trailing {
  display: flex;
  align-items: center;
  flex: none;
  gap: var(--space-3);
}
.results-trailing button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 8px;
  font-size: var(--text-sm);
}
#toggle-results {
  width: 28px;
  padding: 4px;
  justify-content: center;
}
#toggle-results::before {
  content: "▾";
}
#toggle-results[aria-expanded="false"]::before {
  content: "▴";
}
.results-trailing .command-icon {
  width: 14px;
  height: 14px;
}
#results-content {
  flex: 1;
  min-width: 0;
  overflow: auto;
  padding: 0;
}
/* Design-object result panes are the dock's second level. */
.design-result-tabs {
  display: flex;
  align-items: stretch;
  gap: var(--space-3);
  min-height: var(--shell-tab-height);
  padding: 0 7px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-page);
}
.design-result-tabs .tab-scroll > button {
  padding: 0 9px;
  font-size: var(--text-sm);
  border: 0;
  border-radius: 0;
  background: transparent;
}
.design-result-tabs .tab-scroll > button[aria-pressed="true"] {
  color: var(--color-accent);
  box-shadow: inset 0 -2px var(--color-accent-indicator);
}
.design-result-trailing {
  display: flex;
  align-items: center;
  flex: none;
  gap: var(--space-3);
}
.design-result-trailing button {
  padding: 4px 8px;
  font-size: var(--text-sm);
}

/* Model explorer density. */
.model-panel {
  font-size: var(--text-base);
}
#model-nav button {
  font-size: var(--text-base);
  min-height: 30px;
  padding: 5px 9px;
}
.nav-section-title {
  font-size: var(--text-xs);
  margin: 13px 8px 6px;
}

/* ---------- status bar ---------- */
.statusbar {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: var(--space-7);
  height: 28px;
  min-height: 28px;
  padding: 0 12px;
  background: var(--color-chrome-raised);
  color: var(--color-text-on-chrome-muted);
  border-top: 0;
  font-size: var(--text-xs);
}
.statusbar select {
  color: var(--color-text-on-chrome-muted);
  background: transparent;
  font-size: var(--text-xs);
  border: 0;
}
.statusbar button {
  color: var(--color-text-on-chrome);
  font-size: var(--text-xs);
}
.status-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 1px 8px;
  border-radius: var(--radius-pill);
  border: 1px solid currentColor;
  background: transparent;
}
.status-chip[data-tone="warn"] {
  color: var(--color-warn-on-chrome);
}
.status-chip[data-tone="fail"] {
  color: var(--color-fail-on-chrome);
}
.status-chip::before {
  content: "●";
  font-size: 8px;
}

/* ---------- menus ---------- */
.popup-menu {
  position: fixed;
  z-index: var(--z-menu);
  display: grid;
  min-width: 200px;
  max-height: 60vh;
  overflow: auto;
  padding: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3);
}
.popup-menu button {
  justify-content: flex-start;
  text-align: left;
  border: 0;
  background: transparent;
  padding: 6px 10px;
  font-size: var(--text-base);
}
.popup-menu button:hover,
.popup-menu button:focus-visible {
  background: var(--color-surface-accent);
}
.popup-menu [aria-checked="true"] {
  color: var(--color-accent-strong);
  font-weight: var(--weight-semibold);
}
.popup-menu [aria-checked]::before {
  content: "";
  display: inline-block;
  width: 14px;
}
.popup-menu [aria-checked="true"]::before {
  content: "✓";
}

/* ---------- compact (≤ 900 px): one panel at a time, rows may wrap ---------- */
@media (max-width: 900px) {
  .projectbar {
    flex-wrap: wrap;
    padding: 6px 10px;
  }
  .projectbar .project-actions {
    flex-wrap: wrap;
    margin-left: 0;
  }
  .ribbon-content {
    overflow-x: auto;
  }
  .viewport-toolbar {
    flex-wrap: wrap;
  }
  .viewport-toolbar .spacer {
    display: none;
  }
  .view-options-content {
    left: 0;
    right: auto;
    max-width: calc(100vw - 24px);
  }
  .results-tabs {
    height: auto;
    flex-wrap: wrap;
  }
  .statusbar {
    flex-wrap: wrap;
    height: auto;
    gap: var(--space-4);
    padding: 6px 10px;
  }
}

/* ---------- command dock ---------- */
/* Non-modal entity forms dock over the inspector, at its current width. */
#modal.command-dock {
  z-index: var(--z-popover);
  width: var(--inspector-w, var(--shell-inspector-width));
}
@media (max-width: 900px) {
  #modal.command-dock {
    width: 100%;
  }
}
}