:root,
[data-theme="light"] {
  --font-display: "Cabinet Grotesk", "Arial Black", sans-serif;
  --font-body: "Satoshi", Arial, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --color-bg: #ede9df;
  --color-surface: #f8f5ed;
  --color-surface-2: #ffffff;
  --color-surface-offset: #e4ded0;
  --color-border: #cbc2b2;
  --color-divider: #d7d0c3;
  --color-text: #242622;
  --color-text-muted: #66685f;
  --color-text-faint: #8a8b82;
  --color-accent: #0074b3;
  --color-accent-hover: #005b8d;
  --color-accent-soft: #cdeafb;
  --color-accent-on-dark: #2eb5ff;
  --color-on-accent: #ffffff;
  --color-dark: #302e2d;
  --color-inverse: #fffaf0;
  --shadow-sm: 0 1px 2px rgba(36, 38, 34, 0.08);
  --shadow-lg: 0 20px 48px rgba(73, 61, 45, 0.13);

  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #171916;
  --color-surface: #20221e;
  --color-surface-2: #282a25;
  --color-surface-offset: #30322c;
  --color-border: #494b42;
  --color-divider: #373a33;
  --color-text: #f0ecdf;
  --color-text-muted: #b8b4a9;
  --color-text-faint: #8a887f;
  --color-accent: #38b8ff;
  --color-accent-hover: #6bcaff;
  --color-accent-soft: #173b50;
  --color-accent-on-dark: #38b8ff;
  --color-on-accent: #20282d;
  --color-dark: #302e2d;
  --color-inverse: #f7f4ec;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 20px 48px rgba(0, 0, 0, 0.3);
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-x: hidden;
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body {
  min-height: 100dvh;
  overflow-x: hidden;
  color: var(--color-text);
  background:
    linear-gradient(90deg, transparent calc(100% - 1px), color-mix(in srgb, var(--color-text) 5%, transparent) 1px),
    var(--color-bg);
  background-size: 64px 64px;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.5;
}

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

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

button {
  cursor: pointer;
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  z-index: 100;
  top: -100px;
  left: var(--space-3);
  padding: var(--space-2) var(--space-4);
  color: var(--color-inverse);
  background: var(--color-dark);
  border-radius: var(--radius-sm);
}

.skip-link:focus-visible {
  top: var(--space-3);
}

.site-header,
.app-shell,
footer {
  width: min(100% - 2rem, 1180px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 126px;
  border-bottom: 1px solid var(--color-border);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text);
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 108px;
  height: auto;
}

.brand-logo-dark {
  display: none;
}

[data-theme="dark"] .brand-logo-light {
  display: none;
}

[data-theme="dark"] .brand-logo-dark {
  display: block;
}

.theme-toggle,
.text-button {
  min-height: 44px;
  padding: var(--space-2) var(--space-3);
  border: 0;
  color: var(--color-text-muted);
  background: transparent;
  font-weight: 700;
}

.theme-toggle:hover,
.text-button:hover {
  color: var(--color-accent);
}

.app-shell {
  padding-block: var(--space-16) var(--space-12);
}

.view-switcher {
  display: inline-flex;
  gap: var(--space-1);
  margin-bottom: var(--space-8);
  padding: var(--space-1);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.view-button {
  min-height: 44px;
  padding: var(--space-2) var(--space-4);
  color: var(--color-text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 800;
}

.view-button:hover {
  color: var(--color-text);
}

.view-button.active {
  color: var(--color-inverse);
  background: var(--color-dark);
  box-shadow: var(--shadow-sm);
}

[data-view][hidden] {
  display: none;
}

.intro {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.7fr);
  align-items: end;
  gap: var(--space-10);
  padding-bottom: var(--space-10);
}

.eyebrow {
  grid-column: 1 / -1;
  margin-bottom: calc(var(--space-10) * -1);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2 {
  font-family: var(--font-display);
}

h1 {
  max-width: 16ch;
  font-size: var(--text-xl);
  font-weight: 800;
  line-height: 0.96;
  letter-spacing: -0.035em;
}

.lede {
  max-width: 38ch;
  color: var(--color-text-muted);
}

.workspace {
  display: grid;
  grid-template-columns: minmax(290px, 0.78fr) minmax(0, 1.35fr);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.material-panel,
.calculator-panel {
  padding: var(--space-8);
}

.material-panel {
  background: var(--color-dark);
  color: var(--color-inverse);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.section-heading h2 {
  font-size: var(--text-lg);
  font-weight: 700;
}

.section-heading p {
  margin-top: var(--space-1);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.material-panel .section-heading p {
  color: color-mix(in srgb, var(--color-inverse) 65%, transparent);
}

.material-panel .step-number {
  color: var(--color-accent-on-dark);
}

.step-number {
  padding-top: var(--space-1);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
}

.material-list {
  display: grid;
  gap: var(--space-2);
}

.material-button {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  min-height: 54px;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  color: var(--color-inverse);
  background: transparent;
  border: 1px solid color-mix(in srgb, var(--color-inverse) 17%, transparent);
  border-radius: var(--radius-sm);
  text-align: left;
  transition:
    background var(--transition),
    border-color var(--transition),
    color var(--transition);
}

.material-button:hover {
  border-color: color-mix(in srgb, var(--color-accent) 75%, transparent);
}

.material-button[aria-pressed="true"] {
  color: var(--color-on-accent);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.material-button .material-name {
  font-size: var(--text-sm);
  font-weight: 700;
}

.material-button .material-factor {
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xs);
  opacity: 0.72;
}

.selected-material {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
  font-size: var(--text-sm);
}

.selected-material span {
  color: var(--color-text-muted);
}

.selected-material strong {
  text-align: right;
}

.conversion-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: var(--space-3);
}

.measure-card {
  display: block;
  padding: var(--space-5);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.measure-card:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 16%, transparent);
}

.result-card {
  background: var(--color-accent-soft);
}

.measure-label {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.input-row {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.input-row input {
  min-width: 0;
  width: 100%;
  padding: 0;
  background: transparent;
  border: 0;
  outline: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.05;
  font-variant-numeric: tabular-nums;
}

.input-row input::-webkit-inner-spin-button,
.input-row input::-webkit-outer-spin-button {
  appearance: none;
}

.unit {
  flex: none;
  color: var(--color-text-muted);
  font-weight: 700;
}

.measure-card small {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.conversion-symbol {
  color: var(--color-accent);
  font-size: var(--text-lg);
  font-weight: 800;
}

.formula-summary {
  min-height: 24px;
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.primary-button {
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  color: var(--color-on-accent);
  background: var(--color-accent);
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 800;
  transition:
    background var(--transition),
    border-color var(--transition),
    transform var(--transition);
}

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

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

.density-settings {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
}

.density-settings summary {
  min-height: 44px;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 700;
}

.density-controls {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0 var(--space-1);
}

.density-controls label {
  display: grid;
  font-size: var(--text-sm);
  font-weight: 700;
}

.density-controls label span {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 400;
}

.density-entry {
  display: grid;
  grid-template-columns: 44px 82px 44px;
  min-height: 44px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.density-entry button {
  border: 0;
  background: var(--color-surface-offset);
  font-weight: 800;
}

.density-entry input {
  min-width: 0;
  width: 100%;
  border: 0;
  border-inline: 1px solid var(--color-border);
  background: var(--color-surface-2);
  text-align: center;
  font-variant-numeric: tabular-nums;
}

.estimate-note {
  display: grid;
  grid-template-columns: minmax(180px, 0.4fr) minmax(0, 1fr) auto;
  gap: var(--space-6);
  align-items: start;
  margin-top: var(--space-6);
  padding: var(--space-5) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.estimate-note h2 {
  font-size: var(--text-base);
}

.estimate-note p {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.reference-links {
  display: grid;
  gap: var(--space-2);
  white-space: nowrap;
}

.reference-links a {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  text-underline-offset: 3px;
}

.reference-links a:hover {
  color: var(--color-accent);
}

footer {
  display: flex;
  justify-content: space-between;
  padding-block: var(--space-6) var(--space-10);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 600;
}

.status-message {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 10;
  transform: translateY(calc(100% + var(--space-8)));
  padding: var(--space-3) var(--space-4);
  color: var(--color-inverse);
  background: var(--color-dark);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  font-size: var(--text-sm);
  font-weight: 700;
  transition: transform var(--transition);
}

.status-message.visible {
  transform: translateY(0);
}

.pricing-view {
  min-width: 0;
  max-width: 100%;
  padding-bottom: var(--space-10);
}

.price-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.price-heading .eyebrow {
  margin-bottom: var(--space-3);
}

.price-heading h1 {
  margin-bottom: var(--space-3);
}

.price-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex: none;
}

.price-sheet-card {
  min-width: 0;
  max-width: 100%;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.price-sheet-brand {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-8);
  color: var(--color-inverse);
  background: var(--color-dark);
}

.price-sheet-kicker {
  display: block;
  margin-bottom: var(--space-2);
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.14em;
}

.price-sheet-brand .price-sheet-kicker,
.estimate-summary .price-sheet-kicker {
  color: var(--color-accent-on-dark);
}

.price-sheet-brand h2 {
  font-size: var(--text-xl);
  line-height: 1;
}

.price-sheet-meta {
  display: grid;
  color: color-mix(in srgb, var(--color-inverse) 72%, transparent);
  font-size: var(--text-sm);
  text-align: right;
}

.price-sheet-meta strong {
  color: var(--color-inverse);
}

.price-table-wrap {
  contain: inline-size;
  min-width: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.price-table {
  width: 100%;
  border-collapse: collapse;
}

.price-table th,
.price-table td {
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-divider);
  text-align: left;
  vertical-align: middle;
}

.price-table th {
  color: var(--color-text-muted);
  background: var(--color-surface-offset);
  font-size: var(--text-xs);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  white-space: nowrap;
}

.price-table td {
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
}

.price-table td:first-child {
  min-width: 250px;
  font-weight: 700;
}

.price-table tbody tr:last-child td {
  border-bottom: 0;
}

.price-input-wrap {
  display: inline-flex;
  align-items: center;
  min-width: 92px;
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.price-input-wrap:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 16%, transparent);
}

.price-input-wrap span {
  color: var(--color-text-muted);
  font-weight: 700;
}

.price-input {
  width: 64px;
  padding: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.price-input::-webkit-inner-spin-button,
.price-input::-webkit-outer-spin-button {
  appearance: none;
}

.delivery-section,
.fuel-surcharge-section {
  border-top: 1px solid var(--color-border);
}

.delivery-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8) var(--space-4);
}

.delivery-section-heading .price-sheet-kicker {
  margin-bottom: var(--space-2);
}

.delivery-section-heading h3 {
  font-size: var(--text-lg);
}

.delivery-section-heading p {
  max-width: 420px;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  text-align: right;
}

.delivery-table td:first-child {
  width: 50%;
}

.fuel-surcharge-table td:first-child {
  width: 65%;
}

.fuel-surcharge-table td:last-child {
  font-weight: 800;
}

.fuel-surcharge-rule td {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-surface));
}

.yard-price {
  font-weight: 700;
}

.price-sheet-terms {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: var(--space-6);
  padding: var(--space-6) var(--space-8);
  background: var(--color-surface-offset);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-sm);
}

.price-sheet-terms ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2) var(--space-8);
  padding-left: var(--space-5);
  color: var(--color-text-muted);
}

.project-view {
  min-width: 0;
  padding-bottom: var(--space-10);
}

[data-project-estimator][hidden] {
  display: none;
}

.project-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  align-items: end;
  gap: var(--space-10);
  margin-bottom: var(--space-8);
}

.project-intro .eyebrow {
  grid-column: auto;
  margin-bottom: var(--space-3);
}

.project-intro h1 {
  max-width: 18ch;
}

.pickup-instruction {
  max-width: 46ch;
  margin-top: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 600;
}

.project-type-switcher {
  display: inline-flex;
  gap: var(--space-1);
  margin-bottom: var(--space-5);
  padding: var(--space-1);
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}

.project-type-button {
  min-height: 46px;
  padding: var(--space-2) var(--space-5);
  color: var(--color-text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 800;
}

.project-type-button.active {
  color: var(--color-on-accent);
  background: var(--color-accent);
}

.project-estimator {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  align-items: start;
  gap: var(--space-6);
}

.project-form {
  display: grid;
  gap: var(--space-4);
}

.estimate-fieldset {
  min-width: 0;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.estimate-fieldset legend {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-inline: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
}

.estimate-fieldset legend span {
  color: var(--color-accent);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

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

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

.form-field {
  display: grid;
  gap: var(--space-2);
  min-width: 0;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.form-field > input,
.form-field > select,
.field-with-unit {
  min-height: 48px;
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.form-field > input,
.form-field > select {
  padding: var(--space-3);
}

.form-field > select {
  appearance: auto;
}

.form-field > input:focus,
.form-field > select:focus,
.field-with-unit:focus-within {
  border-color: var(--color-accent);
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 16%, transparent);
}

.field-with-unit {
  display: flex;
  align-items: center;
  overflow: hidden;
}

.field-with-unit input {
  min-width: 0;
  width: 100%;
  padding: var(--space-3);
  background: transparent;
  border: 0;
  outline: 0;
  font-variant-numeric: tabular-nums;
}

.field-with-unit small {
  flex: none;
  padding-right: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.field-with-prefix small:first-child {
  padding-right: 0;
  padding-left: var(--space-3);
}

.route-action-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-block: var(--space-4);
}

.route-action-row .primary-button {
  flex: none;
}

.route-action-row .primary-button:disabled {
  cursor: wait;
  opacity: 0.68;
}

.project-form.pickup-selected .estimate-fieldset:last-child input:disabled,
.project-form.pickup-selected .estimate-fieldset:last-child select:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

.route-status,
.form-help {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.form-help {
  margin-top: var(--space-3);
}

.form-help a {
  text-underline-offset: 3px;
}

.known-quantity-entry {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.known-quantity-entry > p {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.known-quantity-entry > p::before,
.known-quantity-entry > p::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--color-border);
}

.known-quantity-help {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
}

.dimension-rows {
  display: grid;
  gap: var(--space-4);
}

.dimension-row {
  display: grid;
  gap: var(--space-3);
}

.dimension-row + .dimension-row {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}

.dimension-row-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.dimension-row-head strong {
  color: var(--color-text);
  font-size: var(--text-sm);
}

.add-area-button {
  min-height: 40px;
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-4);
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-surface-2));
  border: 1px solid color-mix(in srgb, var(--color-accent) 50%, var(--color-border));
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 700;
}

.add-area-button:hover,
.add-area-button:focus-visible {
  color: var(--color-on-accent);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.remove-area-button {
  padding: var(--space-1) var(--space-2);
  color: var(--color-text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 700;
}

.remove-area-button:hover,
.remove-area-button:focus-visible {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
}

.concrete-overage-row {
  margin-top: var(--space-4);
}

.switch-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  cursor: pointer;
}

.switch-control > span:first-child {
  display: grid;
  gap: var(--space-1);
}

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

.switch-control small {
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 500;
}

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

.switch-track {
  position: relative;
  flex: none;
  width: 54px;
  height: 30px;
  background: var(--color-surface-offset);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  transition: background var(--transition);
}

.switch-track::after {
  content: "";
  position: absolute;
  top: 4px;
  left: 4px;
  width: 20px;
  height: 20px;
  background: var(--color-text-muted);
  border-radius: 50%;
  transition: transform var(--transition), background var(--transition);
}

.switch-control input:checked + .switch-track {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.switch-control input:checked + .switch-track::after {
  transform: translateX(24px);
  background: var(--color-on-accent);
}

.switch-control input:focus-visible + .switch-track {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.estimate-summary {
  position: sticky;
  top: var(--space-4);
  overflow: hidden;
  padding: var(--space-6);
  color: var(--color-inverse);
  background: var(--color-dark);
  border: 1px solid color-mix(in srgb, var(--color-inverse) 14%, transparent);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.estimate-summary h2 {
  font-size: var(--text-xl);
  line-height: 1;
}

.estimate-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  margin-block: var(--space-6);
}

.estimate-metrics div {
  min-width: 0;
  padding-bottom: var(--space-3);
  border-bottom: 1px solid color-mix(in srgb, var(--color-inverse) 16%, transparent);
}

.estimate-metrics dt {
  color: color-mix(in srgb, var(--color-inverse) 64%, transparent);
  font-size: var(--text-xs);
}

.estimate-metrics dd {
  margin-top: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.cost-breakdown {
  display: grid;
  gap: var(--space-3);
}

.cost-breakdown > div {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-sm);
}

.cost-breakdown span {
  color: color-mix(in srgb, var(--color-inverse) 68%, transparent);
}

.cost-breakdown strong {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.cost-breakdown .estimate-total {
  align-items: end;
  margin-top: var(--space-2);
  padding-top: var(--space-4);
  border-top: 2px solid var(--color-accent);
}

.estimate-total strong {
  color: var(--color-accent-on-dark);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
}

.estimate-detail,
.estimate-disclaimer {
  margin-top: var(--space-5);
  color: color-mix(in srgb, var(--color-inverse) 72%, transparent);
  font-size: var(--text-xs);
}

.estimate-disclaimer {
  padding-top: var(--space-4);
  border-top: 1px solid color-mix(in srgb, var(--color-inverse) 16%, transparent);
}

@media (max-width: 820px) {
  .app-shell {
    padding-top: var(--space-10);
  }

  .intro {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }

  .eyebrow {
    margin-bottom: 0;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

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

  .estimate-note {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .reference-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-4);
  }

  .price-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .price-sheet-terms {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .project-intro,
  .project-estimator {
    grid-template-columns: 1fr;
  }

  .project-intro {
    align-items: start;
    gap: var(--space-4);
  }

  .estimate-summary {
    position: static;
  }

  .project-type-switcher {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

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

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

@media (max-width: 560px) {
  .site-header,
  .app-shell,
  footer {
    width: min(100% - 1.25rem, 1180px);
  }

  .site-header {
    min-height: 94px;
  }

  .brand-logo {
    width: 76px;
  }

  .theme-toggle {
    padding-inline: var(--space-2);
    font-size: var(--text-xs);
  }

  .app-shell {
    padding-block: var(--space-8);
  }

  .view-switcher {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
    margin-bottom: var(--space-6);
  }

  .view-button {
    padding-inline: var(--space-2);
    font-size: 0.72rem;
  }

  .material-panel,
  .calculator-panel {
    padding: var(--space-5);
  }

  .material-list {
    grid-template-columns: 1fr;
  }

  .conversion-grid {
    grid-template-columns: 1fr;
  }

  .conversion-symbol {
    justify-self: center;
    transform: rotate(90deg);
  }

  .density-controls {
    align-items: stretch;
    flex-direction: column;
  }

  .density-entry {
    grid-template-columns: 52px 1fr 52px;
  }

  footer {
    flex-direction: column;
    gap: var(--space-1);
  }

  .price-actions {
    align-items: stretch;
    flex-direction: column;
    width: 100%;
  }

  .price-sheet-brand {
    align-items: flex-start;
    flex-direction: column;
    padding: var(--space-5);
  }

  .price-sheet-meta {
    text-align: left;
  }

  .price-sheet-terms {
    padding: var(--space-5);
  }

  .delivery-section-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: var(--space-2);
    padding: var(--space-5);
  }

  .delivery-section-heading p {
    text-align: left;
  }

  .price-sheet-terms ul {
    grid-template-columns: 1fr;
  }

  .price-table-wrap {
    overflow: visible;
  }

  .price-table,
  .price-table tbody {
    display: block;
    width: 100%;
  }

  .price-table thead {
    display: none;
  }

  .price-table tr {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-divider);
  }

  .price-table td,
  .price-table td:first-child {
    display: grid;
    min-width: 0;
    padding: var(--space-2) 0;
    border: 0;
  }

  .price-table td:nth-child(even) {
    padding-right: var(--space-3);
  }

  .price-table td:first-child {
    grid-column: 1 / -1;
    padding-bottom: var(--space-3);
    font-size: var(--text-base);
  }

  .price-table td::before {
    content: attr(data-label);
    margin-bottom: var(--space-1);
    color: var(--color-text-muted);
    font-size: var(--text-xs);
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
  }

  .price-table td:first-child::before {
    display: none;
  }

  .estimate-fieldset {
    padding: var(--space-4);
  }

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

  .route-action-row {
    align-items: stretch;
    flex-direction: column;
  }

  .switch-control {
    align-items: flex-start;
  }

  .estimate-metrics {
    gap: var(--space-3);
  }
}

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

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

  body {
    background: #fff;
    color: #20211f;
  }

  .site-header,
  .view-switcher,
  #calculator-view,
  #project-view,
  .price-heading,
  footer,
  .status-message {
    display: none !important;
  }

  .app-shell {
    width: 100%;
    padding: 0;
  }

  #pricing-view {
    display: block !important;
    padding: 0;
  }

  .price-sheet-card {
    border: 1px solid #bbb5a8;
    box-shadow: none;
  }

  .price-sheet-brand {
    color: #fff;
    background: #242622 !important;
    print-color-adjust: exact;
  }

  .price-sheet-kicker {
    color: #0074b3;
  }

  .price-table th {
    background: #e9e5dc !important;
    print-color-adjust: exact;
  }

  .price-table {
    table-layout: fixed;
  }

  .price-table th,
  .price-table td {
    padding: 0.1in 0.07in;
    font-size: 9px;
  }

  .price-table th:first-child,
  .price-table td:first-child {
    width: 25%;
    min-width: 0;
  }

  .delivery-table th:first-child,
  .delivery-table td:first-child,
  .fuel-surcharge-table th:first-child,
  .fuel-surcharge-table td:first-child {
    width: 50%;
  }

  .price-input-wrap {
    min-width: 0;
    padding: 0;
    border: 0;
  }

  .price-input {
    width: 46px;
    font-size: 9px;
  }

  .price-sheet-terms {
    background: #eeeae1 !important;
    print-color-adjust: exact;
  }

  .delivery-section-heading {
    padding: 0.16in 0.12in 0.08in;
  }

  .delivery-section-heading p {
    display: none;
  }
}