:root {
  color-scheme: light;
  --ink: #17201d;
  --ink-soft: #33413c;
  --muted: #5d6a65;
  --paper: #ffffff;
  --canvas: #f3f5f4;
  --panel: #e9eeeb;
  --panel-strong: #dde5e1;
  --line: #c5cfca;
  --line-strong: #899791;
  --blue: #006fae;
  --blue-soft: #e2f1fa;
  --orange: #c84f18;
  --orange-soft: #f9e9df;
  --green: #007a5a;
  --green-soft: #e1f2ec;
  --amber: #d89100;
  --danger: #a52828;
  --danger-soft: #fae7e7;
  --warning-soft: #fff4d4;
  --shadow: 0 10px 28px rgba(23, 32, 29, 0.08);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.5;
}

button,
input,
select {
  font: inherit;
}

button,
label,
summary,
select {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

a {
  color: var(--blue);
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid rgba(0, 111, 174, 0.35);
  outline-offset: 2px;
}

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

h1,
h2,
h3 {
  letter-spacing: 0;
}

.page-width {
  width: min(100% - 48px, 1400px);
  margin-inline: auto;
}

.app-header {
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.app-header__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 48px;
  min-height: 250px;
  padding-block: 56px 42px;
}

.product-name,
.section-kicker {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.app-header h1 {
  max-width: 850px;
  margin-bottom: 14px;
  font-size: 3.65rem;
  line-height: 1.02;
}

.app-header__summary {
  max-width: 760px;
  margin-bottom: 0;
  color: var(--ink-soft);
  font-size: 1.15rem;
}

.method-stamp {
  display: grid;
  min-width: 210px;
  padding: 18px 20px;
  border-left: 4px solid var(--amber);
  background: var(--ink);
  color: var(--paper);
}

.method-stamp strong {
  font-size: 1.3rem;
}

.method-stamp span {
  color: #d9e2de;
  font-size: 0.85rem;
}

.facet-app {
  overflow: clip;
}

.workflow-section {
  padding-block: 54px;
  border-bottom: 1px solid var(--line);
}

.workflow-section--measure {
  background: var(--canvas);
}

.workflow-section--carve {
  background: var(--paper);
}

.workflow-section--plan {
  background: #eef2f0;
}

.workflow-section--verify {
  padding-block: 42px;
  background: var(--paper);
}

.section-heading {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(300px, 520px);
  align-items: start;
  gap: 24px;
  margin-bottom: 32px;
}

.section-heading--compact {
  grid-template-columns: 56px minmax(0, 1fr) auto;
}

.section-number {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 2px solid var(--ink);
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 850;
}

.section-heading__copy h2,
.verification-layout h2 {
  margin-bottom: 8px;
  font-size: 2.25rem;
  line-height: 1.1;
}

.section-heading__copy > p:last-child,
.verification-layout p {
  max-width: 780px;
  margin-bottom: 0;
  color: var(--muted);
}

.unit-picker,
.reference-picker {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.unit-picker legend,
.reference-picker legend {
  margin-bottom: 8px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.segmented-control {
  display: grid;
  min-height: 48px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  background: var(--paper);
}

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

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

.segmented-control label {
  position: relative;
  min-width: 0;
  cursor: pointer;
}

.segmented-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.segmented-control span {
  display: grid;
  min-height: 48px;
  padding: 8px 12px;
  place-items: center;
  border-right: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 0.9rem;
  font-weight: 750;
  text-align: center;
}

.segmented-control label:last-child span {
  border-right: 0;
}

.segmented-control input:checked + span {
  background: var(--ink);
  color: var(--paper);
}

.segmented-control input:focus-visible + span {
  box-shadow: inset 0 0 0 3px rgba(0, 111, 174, 0.45);
}

.fraction-precision {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.fraction-precision select {
  min-width: 0;
  height: 40px;
  padding-inline: 10px 32px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
}

.measurement-form {
  display: grid;
  gap: 24px;
}

.setup-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 330px);
  gap: 24px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
}

.reference-picker p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.field {
  display: grid;
  align-content: start;
  gap: 7px;
  min-width: 0;
}

.field > span {
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 800;
  line-height: 1.25;
}

.field > span small {
  color: var(--muted);
  font-size: inherit;
  font-weight: 650;
}

.field > small {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.field input,
.field select {
  width: 100%;
  min-width: 0;
  height: 48px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 5px;
  background: var(--paper);
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
}

.field input:disabled {
  background: var(--panel);
  color: var(--muted);
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
  background: var(--danger-soft);
}

.field--compact {
  grid-template-columns: minmax(180px, 1fr) minmax(120px, 180px);
  align-items: center;
  margin-top: 12px;
}

.scale-field {
  align-self: end;
}

.sample-notice {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 12px 14px;
  border-left: 4px solid var(--amber);
  background: var(--warning-soft);
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.location-grid,
.diagram-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.location-card {
  min-width: 0;
  margin: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-top-width: 5px;
  border-radius: 7px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.location-card--low {
  border-top-color: var(--blue);
}

.location-card--high {
  border-top-color: var(--orange);
}

.location-card--middle {
  border-top-color: var(--green);
}

.location-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.location-card__tone {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.location-card--low .location-card__tone {
  color: var(--blue);
}

.location-card--high .location-card__tone {
  color: var(--orange);
}

.location-card--middle .location-card__tone {
  color: var(--green);
}

.location-card h3 {
  margin-bottom: 0;
  font-size: 1.35rem;
}

.location-card__header-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.station-status {
  display: inline-flex;
  min-height: 30px;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--canvas);
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  white-space: nowrap;
}

.small-button,
.reset-estimate,
.text-button {
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-weight: 750;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

.small-button {
  min-height: 30px;
  padding: 3px 4px;
  color: var(--danger);
  font-size: 0.75rem;
}

.reset-estimate {
  margin-top: 14px;
  padding: 0;
  font-size: 0.82rem;
}

.location-card__help {
  min-height: 42px;
  margin: -8px 0 16px;
  color: var(--muted);
  font-size: 0.84rem;
}

.location-card__fields {
  display: grid;
  grid-template-columns: 0.75fr 1fr 1.2fr;
  gap: 14px;
}

.behind-nut-control {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.check-row,
.switch-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: var(--ink-soft);
  font-size: 0.88rem;
  font-weight: 700;
}

.check-row input {
  width: 19px;
  height: 19px;
  accent-color: var(--blue);
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.history-actions {
  display: flex;
  gap: 8px;
}

.text-button {
  min-height: 42px;
  padding: 8px 10px;
}

.text-button:disabled {
  color: var(--muted);
  cursor: not-allowed;
  opacity: 0.5;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: 5px;
  cursor: pointer;
  font-weight: 800;
  text-align: center;
}

.button--primary {
  background: var(--ink);
  color: var(--paper);
}

.button--primary:hover {
  background: #293630;
}

.button--secondary {
  border-color: var(--line-strong);
  background: var(--paper);
}

.button--secondary:hover {
  background: var(--panel);
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.validation-message {
  padding: 14px 16px;
  border: 1px solid #d6b35e;
  border-radius: 5px;
  background: var(--warning-soft);
  color: var(--ink-soft);
}

.validation-message.has-errors {
  border-color: #d59595;
  background: var(--danger-soft);
}

.validation-message p {
  margin-bottom: 5px;
}

.validation-message p:last-child {
  margin-bottom: 0;
}

.view-controls {
  display: grid;
  gap: 10px;
  align-self: center;
  min-width: 250px;
}

.switch-row {
  min-height: 40px;
}

.switch-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.switch {
  position: relative;
  flex: 0 0 auto;
  width: 44px;
  height: 24px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--panel-strong);
}

.switch::after {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  box-shadow: 0 1px 3px rgba(23, 32, 29, 0.3);
  content: "";
  transition: transform 140ms ease;
}

.switch-row input:checked + .switch {
  border-color: var(--green);
  background: var(--green);
}

.switch-row input:checked + .switch::after {
  transform: translateX(20px);
}

.switch-row input:focus-visible + .switch {
  outline: 3px solid rgba(0, 111, 174, 0.35);
  outline-offset: 2px;
}

.pass-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.pass-tab {
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--canvas);
  color: var(--ink-soft);
  cursor: pointer;
  font-weight: 800;
}

.pass-tab span {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-size: 0.82rem;
}

.pass-tab.is-active {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--paper);
}

.pass-summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--canvas);
}

.pass-summary__step {
  color: var(--green);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.pass-summary h3 {
  margin-bottom: 3px;
  font-size: 1.15rem;
}

.pass-summary p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.formula-pair {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.formula-pair span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 0.82rem;
  white-space: nowrap;
}

.formula-pair span:first-child b {
  color: var(--blue);
}

.formula-pair span:last-child b {
  color: var(--orange);
}

.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
  margin: 20px 0 14px;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}

.diagram-legend > span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.legend-swatch {
  display: inline-block;
  width: 24px;
  height: 12px;
}

.legend-swatch--cut {
  border: 1px solid var(--amber);
  background:
    repeating-linear-gradient(
      135deg,
      transparent 0 4px,
      var(--amber) 4px 6px
    ),
    #fff3d8;
}

.legend-swatch--mark-a {
  height: 0;
  border-top: 3px dashed var(--blue);
}

.legend-swatch--mark-b {
  height: 0;
  border-top: 3px dashed var(--orange);
}

.legend-swatch--smooth {
  height: 0;
  border-top: 3px dashed var(--green);
}

.diagram-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 5px solid var(--line-strong);
  border-radius: 7px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.diagram-card--low {
  border-top-color: var(--blue);
}

.diagram-card--high {
  border-top-color: var(--orange);
}

.diagram-card--middle {
  border-top-color: var(--green);
}

.diagram-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 20px 12px;
}

.diagram-card__header p {
  margin-bottom: 1px;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

.diagram-card__header h3 {
  margin-bottom: 0;
  font-size: 1.25rem;
}

.angle-readout {
  padding: 6px 9px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--canvas);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}

.diagram-values {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0 20px 14px;
}

.diagram-value {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 5px;
}

.diagram-value--a {
  border-left: 4px solid var(--blue);
  background: var(--blue-soft);
}

.diagram-value--b {
  border-left: 4px solid var(--orange);
  background: var(--orange-soft);
}

.diagram-value dt {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 38px;
  margin-bottom: 5px;
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 750;
  line-height: 1.25;
}

.diagram-value dd {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 850;
  line-height: 1.1;
}

.mark-symbol {
  display: inline-grid;
  flex: 0 0 auto;
  width: 24px;
  height: 24px;
  place-items: center;
  font-style: normal;
  font-size: 0.75rem;
  font-weight: 900;
}

.mark-symbol--a {
  border-radius: 50%;
  background: var(--blue);
  color: var(--paper);
}

.mark-symbol--b {
  border-radius: 3px;
  background: var(--orange);
  color: var(--paper);
}

.cross-section {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 720 / 410;
  border-block: 1px solid var(--line);
  background: #fbfcfb;
}

.diagram-background {
  fill: #fbfcfb;
}

.blank-stage {
  fill: #dfe6e2;
  stroke: var(--ink);
  stroke-width: 2.2;
  stroke-linejoin: round;
}

.waste-fill {
  fill: #fff1cd;
  stroke: none;
}

.waste-hatch {
  stroke: var(--amber);
  stroke-width: 1.5;
}

.waste-hatch-line {
  stroke: var(--amber);
  stroke-width: 3;
}

.reference-line {
  stroke: var(--ink);
  stroke-width: 2.5;
}

.center-line {
  stroke: var(--line-strong);
  stroke-width: 1.6;
  stroke-dasharray: 7 7;
}

.active-cut-line {
  fill: none;
  stroke: var(--ink);
  stroke-width: 3.5;
  stroke-linecap: round;
}

.smooth-guide {
  fill: none;
  stroke: var(--green);
  stroke-width: 3;
  stroke-dasharray: 8 6;
}

.mark-segment {
  fill: none;
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 7 6;
}

.mark-segment--a {
  stroke: var(--blue);
}

.mark-segment--b {
  stroke: var(--orange);
}

.point-marker {
  stroke: #ffffff;
  stroke-width: 2;
}

.point-marker--a {
  fill: var(--blue);
}

.point-marker--b {
  fill: var(--orange);
  rx: 1;
}

.point-label {
  font-size: 15px;
  font-weight: 900;
}

.point-label--a {
  fill: var(--blue);
}

.point-label--b {
  fill: var(--orange);
}

.dimension-line,
.dimension-tick {
  stroke: var(--line-strong);
  stroke-width: 1.5;
}

.dimension-label,
.reference-label,
.center-label {
  fill: var(--ink-soft);
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-anchor: middle;
}

.dimension-label--depth {
  text-anchor: end;
}

.reference-label {
  fill: var(--green);
  font-size: 12px;
}

.center-label {
  fill: var(--muted);
  font-size: 11px;
}

.diagram-card__note {
  margin: 0;
  padding: 12px 20px;
  color: var(--muted);
  font-size: 0.78rem;
}

.coordinate-details {
  border-top: 1px solid var(--line);
}

.coordinate-details summary,
.method-details summary {
  min-height: 44px;
  padding: 11px 20px;
  cursor: pointer;
  color: var(--blue);
  font-size: 0.85rem;
  font-weight: 800;
}

.coordinate-details dl {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0 20px 18px;
}

.coordinate-details dl > div {
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.coordinate-details dt {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 800;
}

.coordinate-details dd {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 0.82rem;
}

.empty-state {
  grid-column: 1 / -1;
  min-height: 140px;
  display: grid;
  place-items: center;
  padding: 28px;
  border: 1px dashed var(--line-strong);
  border-radius: 6px;
  background: var(--canvas);
  color: var(--muted);
  text-align: center;
}

.mark-plan {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.plan-key {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.plan-key span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-soft);
  font-size: 0.83rem;
  font-weight: 750;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.plan-table {
  width: 100%;
  min-width: 980px;
  border-collapse: collapse;
}

.plan-table th,
.plan-table td {
  padding: 15px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.plan-table thead th {
  background: var(--canvas);
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 850;
  text-transform: uppercase;
}

.plan-table tbody tr:last-child > * {
  border-bottom: 0;
}

.plan-table tbody th {
  min-width: 140px;
}

.plan-table strong,
.plan-table small {
  display: block;
}

.plan-table strong {
  color: var(--ink);
  font-size: 0.95rem;
}

.plan-table small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.plan-table__mark-a {
  background: #f0f8fc;
}

.plan-table__mark-b {
  background: #fff6f0;
}

.table-location {
  display: inline-block;
  margin-bottom: 3px;
  font-size: 0.82rem;
  font-weight: 850;
}

.table-location--low {
  color: var(--blue);
}

.table-location--high {
  color: var(--orange);
}

.table-location--middle {
  color: var(--green);
}

.method-details {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--paper);
}

.method-details__body {
  max-width: 900px;
  padding: 0 20px 20px;
  color: var(--ink-soft);
}

.method-details__body p {
  margin-bottom: 12px;
}

.method-details__body a {
  font-weight: 750;
}

.verification-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 520px);
  align-items: center;
  gap: 56px;
}

.verification-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.verification-links a {
  display: flex;
  min-height: 64px;
  align-items: center;
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--canvas);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 750;
  text-decoration: none;
}

.verification-links a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.safety-band {
  background: var(--ink);
  color: var(--paper);
}

.safety-band__inner {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 24px;
  padding-block: 28px;
}

.safety-band strong {
  color: #ffd47a;
  white-space: nowrap;
}

.safety-band p {
  max-width: 1050px;
  margin-bottom: 0;
  color: #dbe4df;
  font-size: 0.88rem;
}

.print-sheet {
  display: none;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 1050px) {
  .section-heading {
    grid-template-columns: 50px minmax(0, 1fr);
  }

  .section-heading > :last-child {
    grid-column: 2;
  }

  .unit-picker,
  .view-controls {
    width: min(100%, 540px);
  }

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

  .location-card__fields .field:last-child {
    grid-column: 1 / -1;
  }

  .pass-summary {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .formula-pair {
    grid-column: 2;
    justify-content: flex-start;
  }

  .verification-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 820px) {
  .page-width {
    width: min(100% - 28px, 1400px);
  }

  .app-header__inner {
    grid-template-columns: 1fr;
    gap: 24px;
    min-height: 0;
    padding-block: 42px 32px;
  }

  .app-header h1 {
    font-size: 2.8rem;
  }

  .section-heading__copy h2,
  .verification-layout h2 {
    font-size: 1.9rem;
  }

  .method-stamp {
    width: min(100%, 320px);
  }

  .workflow-section {
    padding-block: 38px;
  }

  .setup-row,
  .location-grid,
  .diagram-grid {
    grid-template-columns: 1fr;
  }

  .location-card__help {
    min-height: 0;
  }

  .section-heading--compact .button {
    justify-self: start;
  }

  .pass-tabs {
    gap: 5px;
  }

  .pass-tab {
    flex-direction: column;
    gap: 4px;
    min-height: 70px;
    padding-inline: 6px;
    font-size: 0.82rem;
  }

  .pass-summary {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .formula-pair {
    grid-column: 1;
  }
}

@media (max-width: 560px) {
  .app-header h1 {
    font-size: 2.15rem;
  }

  .section-heading__copy h2,
  .verification-layout h2 {
    font-size: 1.65rem;
  }

  .app-header__summary {
    font-size: 1rem;
  }

  .section-heading,
  .section-heading--compact {
    grid-template-columns: 42px minmax(0, 1fr);
    gap: 14px;
  }

  .section-number {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .section-heading > :last-child {
    grid-column: 1 / -1;
  }

  .unit-picker,
  .view-controls {
    width: 100%;
  }

  .setup-row,
  .location-card {
    padding: 16px;
  }

  .segmented-control span {
    min-height: 52px;
    padding-inline: 7px;
    font-size: 0.78rem;
  }

  .sample-notice {
    display: block;
  }

  .location-card__header {
    display: grid;
    gap: 8px;
  }

  .location-card__header-actions {
    justify-content: flex-start;
  }

  .location-card__fields {
    grid-template-columns: 1fr;
  }

  .location-card__fields .field:last-child {
    grid-column: auto;
  }

  .field--compact {
    grid-template-columns: 1fr;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .history-actions {
    justify-content: space-between;
  }

  .diagram-values {
    grid-template-columns: 1fr;
  }

  .diagram-value dt {
    min-height: 0;
  }

  .diagram-card__header {
    align-items: start;
    padding-inline: 14px;
  }

  .diagram-values,
  .diagram-card__note {
    padding-inline: 14px;
  }

  .angle-readout {
    white-space: normal;
    text-align: right;
  }

  .coordinate-details dl {
    grid-template-columns: 1fr;
    padding-inline: 14px;
  }

  .cross-section {
    min-height: 300px;
    object-fit: contain;
  }

  .verification-links {
    grid-template-columns: 1fr;
  }

  .safety-band__inner {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .safety-band strong {
    white-space: normal;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .switch::after {
    transition: none;
  }
}

@media print {
  @page {
    size: auto;
    margin: 0.45in;
  }

  :root {
    color-scheme: light;
  }

  body {
    background: #ffffff;
    color: #111111;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 9pt;
  }

  .app-header,
  .facet-app {
    display: none !important;
  }

  .print-sheet {
    display: block !important;
  }

  .print-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 1.45in;
    gap: 0.25in;
    align-items: start;
    padding-bottom: 0.18in;
    border-bottom: 1px solid #111111;
  }

  .print-header p {
    margin: 0 0 0.05in;
  }

  .print-header h1 {
    margin: 0 0 0.08in;
    font-size: 18pt;
  }

  .calibration-block {
    display: grid;
    justify-items: center;
    gap: 0.07in;
    font-size: 7pt;
    text-align: center;
  }

  .calibration-square {
    width: 1in;
    height: 1in;
    border: 0.012in solid #111111;
  }

  .print-profiles,
  .print-marks {
    margin-top: 0.24in;
  }

  .print-profiles h2,
  .print-marks h2 {
    margin: 0 0 0.05in;
    font-size: 13pt;
  }

  .print-profiles > p {
    margin: 0 0 0.18in;
  }

  .print-profile-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.2in;
    align-items: start;
  }

  .print-profile {
    width: max-content;
    max-width: 100%;
    break-inside: avoid;
    margin: 0;
    padding: 0.12in;
    border: 1px solid #999999;
  }

  .print-profile figcaption {
    display: grid;
    gap: 0.02in;
    margin-bottom: 0.08in;
    font-size: 8pt;
  }

  .print-profile svg {
    display: block;
    max-width: none !important;
    overflow: visible;
  }

  .print-blank-outline {
    fill: none;
    stroke: #aaaaaa;
    stroke-width: 0.008;
  }

  .print-facet-outline {
    fill: none;
    stroke: #111111;
    stroke-width: 0.012;
    stroke-linejoin: round;
  }

  .print-smooth-guide {
    fill: none;
    stroke: #555555;
    stroke-width: 0.01;
    stroke-dasharray: 0.045 0.03;
  }

  .print-center-line {
    stroke: #777777;
    stroke-width: 0.006;
    stroke-dasharray: 0.035 0.025;
  }

  .print-reference-line {
    stroke: #111111;
    stroke-width: 0.01;
  }

  .print-marks table {
    width: 100%;
    border-collapse: collapse;
    break-inside: auto;
  }

  .print-marks th,
  .print-marks td {
    padding: 0.07in;
    border: 1px solid #777777;
    text-align: left;
    vertical-align: top;
  }

  .print-marks th small {
    display: block;
    margin-top: 0.02in;
    font-weight: 400;
  }

  .print-source {
    margin-top: 0.1in;
    font-size: 7pt;
    overflow-wrap: anywhere;
  }

  .print-warning {
    margin-top: 0.2in;
    padding-top: 0.1in;
    border-top: 1px solid #111111;
    font-size: 7.5pt;
    font-weight: 700;
  }

  * {
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }
}