:root {
  --canvas: #f6f9fc;
  --surface: #ffffff;
  --surface-subtle: #f5f8fc;
  --ink: #243247;
  --ink-soft: #47576b;
  --muted: #718096;
  --line: #e2eaf3;
  --line-strong: #bdc9d8;
  --accent: #3478f6;
  --accent-dark: #2463d4;
  --accent-soft: #eaf3ff;
  --result: #243247;
  --result-soft: #33445a;
  --warning: #9a621b;
  --warning-soft: #fff7e8;
  --danger: #9b3737;
  --danger-soft: #faeded;
  --radius-card: 16px;
  --radius-control: 10px;
  --shadow-result: 0 10px 32px rgba(35, 72, 110, 0.075);
  --frame: 1180px;
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-synthesis: none;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 82px;
  background: var(--canvas);
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select {
  font: inherit;
}

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

a {
  color: inherit;
}

button {
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.frame {
  width: min(calc(100% - 48px), var(--frame));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 500;
  padding: 9px 13px;
  color: #fff;
  background: var(--result);
  border-radius: var(--radius-control);
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--line);
  background: rgba(246, 249, 252, 0.96);
  backdrop-filter: blur(14px);
}

.site-header__inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-size: 15px;
  font-weight: 720;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.wordmark__rule {
  width: 24px;
  height: 2px;
  display: block;
  background: var(--accent);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 26px;
}

.site-nav a,
.site-footer a,
.text-link {
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 650;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible,
.text-link:hover,
.text-link:focus-visible {
  color: var(--accent);
}

.site-footer {
  border-top: 1px solid var(--line);
}

.site-footer__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

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

/* Tool library */
.library-main {
  min-height: calc(100vh - 137px);
  padding: clamp(48px, 7vw, 92px) 0 72px;
}

.library-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.72fr) minmax(540px, 1.28fr);
  align-items: start;
  gap: clamp(54px, 8vw, 112px);
}

.library-intro {
  position: sticky;
  top: 116px;
}

.section-label {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.12em;
}

.library-intro h1,
.tool-intro h1 {
  margin: 0;
  max-width: 620px;
  font-size: clamp(38px, 4.5vw, 58px);
  font-weight: 680;
  letter-spacing: -0.045em;
  line-height: 1.12;
}

.library-intro__lead {
  max-width: 420px;
  margin: 25px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
  line-height: 1.8;
}

.library-privacy {
  margin: 34px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.tool-index {
  border-top: 1px solid var(--line-strong);
}

.tool-index--grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid var(--line);
}

.tool-index--grid .tool-link {
  min-height: 133px;
  padding: 18px;
  grid-template-columns: 30px minmax(0, 1fr) 22px;
  grid-template-rows: auto 1fr;
  align-items: start;
  gap: 8px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.tool-index--grid .tool-link__number {
  grid-column: 1;
  grid-row: 1;
}

.tool-index--grid .tool-link__title {
  grid-column: 2;
  grid-row: 1;
}

.tool-index--grid .tool-link__title strong {
  font-size: 17px;
}

.tool-index--grid .tool-link__title small {
  margin-top: 4px;
  font-size: 10px;
}

.tool-index--grid .tool-link__description {
  grid-column: 2 / 4;
  grid-row: 2;
  font-size: 11px;
  line-height: 1.55;
}

.tool-index--grid .tool-link__description small {
  display: none;
}

.tool-index--grid .tool-link__arrow {
  grid-column: 3;
  grid-row: 1;
  justify-self: end;
  font-size: 18px;
}

.tool-link {
  min-height: 116px;
  padding: 23px 4px;
  display: grid;
  grid-template-columns: 52px minmax(160px, 0.72fr) minmax(230px, 1fr) 34px;
  align-items: center;
  gap: 22px;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  transition: background-color 150ms ease, border-color 150ms ease;
}

.tool-link:hover,
.tool-link:focus-visible {
  outline: none;
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, 0.68);
}

.tool-link__number {
  align-self: start;
  color: var(--accent);
  font-size: 12px;
  font-weight: 750;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

.tool-link__title strong {
  display: block;
  font-size: 20px;
  font-weight: 680;
  letter-spacing: -0.02em;
}

.tool-link__title small,
.tool-link__description small {
  display: block;
  margin-top: 7px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 550;
}

.tool-link__description {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
}

.tool-link__arrow {
  color: var(--accent);
  font-size: 22px;
  transition: transform 150ms ease;
}

.tool-link:hover .tool-link__arrow,
.tool-link:focus-visible .tool-link__arrow {
  transform: translateX(4px);
}

.library-note {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 12px;
}

/* Tool pages */
.tool-main {
  min-height: calc(100vh - 137px);
  padding: 38px 0 74px;
}

.breadcrumb {
  margin: 0 0 34px;
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
}

.breadcrumb a {
  color: var(--ink-soft);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--accent);
}

.breadcrumb span[aria-hidden="true"] {
  color: var(--line-strong);
}

.tool-intro {
  margin-bottom: 36px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
  align-items: end;
  gap: 48px;
}

.tool-intro h1 {
  font-size: clamp(34px, 4vw, 52px);
}

.tool-intro__copy {
  margin: 0 0 3px;
  color: var(--ink-soft);
  font-size: 15px;
}

.tool-intro__copy strong {
  display: block;
  margin-bottom: 7px;
  color: var(--ink);
  font-size: 12px;
  font-weight: 720;
}

.workbench-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(350px, 0.95fr);
  align-items: start;
  gap: 22px;
}

.workbench-grid--wide-input {
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.panel__header {
  min-height: 67px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
}

.panel__header h2,
.panel__header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 680;
}

.panel__header p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.panel__body {
  padding: 22px;
}

.form-section + .form-section {
  margin-top: 27px;
  padding-top: 25px;
  border-top: 1px solid var(--line);
}

.form-section__title {
  margin: 0 0 15px;
  font-size: 13px;
  font-weight: 700;
}

.form-section__note {
  margin: -7px 0 16px;
  color: var(--muted);
  font-size: 11px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

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

.field {
  min-width: 0;
  display: grid;
  gap: 7px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 650;
}

.field small {
  color: var(--muted);
  font-size: 10px;
  font-weight: 500;
}

.field > input,
.field select,
.unit-control {
  width: 100%;
  min-height: 47px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  outline: none;
}

.field > input,
.field select {
  padding: 10px 12px;
}

.field select {
  padding-right: 34px;
}

.field > input:focus,
.field select:focus,
.unit-control:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.11);
}

.unit-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  overflow: hidden;
}

.unit-control input {
  min-width: 0;
  width: 100%;
  padding: 10px 12px;
  border: 0;
  color: var(--ink);
  background: transparent;
  outline: 0;
}

.unit-control span {
  min-width: 61px;
  padding: 0 10px;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-subtle);
  font-size: 10px;
  font-style: normal;
  white-space: nowrap;
}

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

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

.segment-option {
  position: relative;
  cursor: pointer;
}

.segment-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segment-option span {
  min-height: 54px;
  padding: 9px 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--ink-soft);
  background: var(--surface-subtle);
  font-size: 12px;
  font-weight: 650;
  text-align: center;
}

.segment-option input:checked + span {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.segment-option input:focus-visible + span {
  outline: 3px solid rgba(23, 93, 130, 0.18);
  outline-offset: 1px;
}

.button {
  min-height: 46px;
  padding: 10px 17px;
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius-control);
  color: #fff;
  background: var(--accent-dark);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.button:hover,
.button:focus-visible {
  border-color: var(--accent);
  background: var(--accent);
  outline: 0;
}

.button--quiet {
  border-color: var(--line-strong);
  color: var(--ink-soft);
  background: #fff;
}

.button--quiet:hover,
.button--quiet:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-soft);
}

.button--text {
  padding-inline: 6px;
  border-color: transparent;
  color: var(--ink-soft);
  background: transparent;
}

.button--text:hover,
.button--text:focus-visible {
  border-color: transparent;
  color: var(--accent);
  background: transparent;
}

.form-actions,
.wizard-actions,
.result-actions {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.form-error {
  margin: 17px 0 0;
  padding: 10px 12px;
  border: 1px solid #e4b8b8;
  border-radius: var(--radius-control);
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 11px;
  font-weight: 650;
}

.compact-details {
  margin-top: 22px;
  border-top: 1px solid var(--line);
}

.compact-details summary {
  min-height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: var(--ink-soft);
  cursor: pointer;
  font-size: 12px;
  font-weight: 680;
  list-style: none;
}

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

.compact-details summary::after {
  content: "+";
  color: var(--accent);
  font-size: 17px;
}

.compact-details[open] summary::after {
  content: "−";
}

.compact-details__body {
  padding: 2px 0 18px;
  color: var(--muted);
  font-size: 11px;
}

.compact-details__body p {
  margin: 0 0 9px;
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
}

.source-links a {
  color: var(--accent);
  font-weight: 650;
  text-decoration: none;
}

/* Results */
.result-panel {
  position: sticky;
  top: 86px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: var(--radius-card);
  color: var(--ink);
  background: #fff;
  box-shadow: var(--shadow-result);
}

.result-panel__header {
  min-height: 67px;
  padding: 18px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  border-bottom: 1px solid var(--line);
  background: #f8faf9;
}

.result-panel__header h2,
.result-panel__header h3 {
  margin: 0;
  font-size: 16px;
  font-weight: 650;
}

.result-status {
  color: var(--muted);
  font-size: 11px;
  font-weight: 650;
}

.result-panel__body {
  padding: 22px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #dfe4e8;
  border-left: 1px solid #dfe4e8;
}

.metric {
  min-height: 106px;
  padding: 16px;
  border-right: 1px solid #dfe4e8;
  border-bottom: 1px solid #dfe4e8;
  background: #fff;
}

.metric small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.metric strong {
  margin-top: 10px;
  display: block;
  color: var(--accent-dark);
  font-size: 27px;
  font-weight: 620;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.metric span {
  margin-top: 6px;
  display: block;
  color: var(--muted);
  font-size: 10px;
}

.result-summary {
  margin-top: 18px;
  padding: 15px 16px;
  border-left: 2px solid var(--accent);
  background: #eef5f8;
}

.result-summary small {
  color: var(--accent-dark);
  font-size: 10px;
}

.result-summary strong {
  margin-top: 5px;
  display: block;
  color: var(--accent-dark);
  font-size: 15px;
  font-weight: 650;
}

.result-summary p {
  margin: 6px 0 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.result-list {
  margin: 17px 0 0;
}

.result-list > div {
  padding: 10px 0;
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 12px;
  border-bottom: 1px solid #e3e7ea;
}

.result-list dt {
  color: var(--muted);
  font-size: 11px;
}

.result-list dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 11px;
}

.result-panel .result-actions {
  padding-top: 2px;
}

.result-panel .button--quiet {
  border-color: var(--line-strong);
  color: var(--accent-dark);
  background: #fff;
}

.result-panel .button--quiet:hover,
.result-panel .button--quiet:focus-visible {
  border-color: var(--accent);
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.result-notes {
  margin-top: 17px;
  color: var(--muted);
  font-size: 11px;
}

.result-notes summary {
  min-height: 37px;
  color: var(--ink-soft);
  cursor: pointer;
  font-weight: 650;
}

.result-notes ul {
  margin: 4px 0 0;
  padding-left: 18px;
}

.result-notes li + li {
  margin-top: 5px;
}

.measurement-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid #dfe4e8;
  border-left: 1px solid #dfe4e8;
}

.measurement {
  min-height: 122px;
  padding: 18px;
  border-right: 1px solid #dfe4e8;
  border-bottom: 1px solid #dfe4e8;
  background: #fff;
}

.measurement small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.measurement strong {
  margin-top: 13px;
  display: block;
  color: var(--accent-dark);
  font-size: 32px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.measurement span {
  margin-top: 7px;
  display: block;
  color: var(--muted);
  font-size: 10px;
}

.result-caption {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.demand-zone-note {
  margin: 16px 0 0;
  padding: 10px 11px;
  border-left: 2px solid #d6a75d;
  color: var(--warning);
  background: var(--warning-soft);
  font-size: 10px;
  line-height: 1.55;
}

.demand-result-empty {
  min-height: 390px;
  display: grid;
  align-content: center;
  justify-items: start;
  color: var(--muted);
}

.demand-result-empty > span {
  color: #cbd7dd;
  font-size: 54px;
  font-weight: 300;
  letter-spacing: -0.05em;
}

.demand-result-empty strong {
  margin-top: 8px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 650;
}

.demand-result-empty p {
  max-width: 360px;
  margin: 7px 0 0;
  font-size: 10px;
  line-height: 1.6;
}

.demand-conclusion {
  margin-bottom: 17px;
  padding: 13px 14px;
  border-left: 2px solid var(--accent);
  background: #eef5f8;
}

.demand-conclusion small {
  display: block;
  color: var(--accent-dark);
  font-size: 8px;
  font-weight: 680;
  letter-spacing: 0.12em;
}

.demand-conclusion strong {
  margin-top: 5px;
  display: block;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 650;
}

.demand-conclusion p {
  margin: 5px 0 0;
  color: var(--ink-soft);
  font-size: 9px;
  line-height: 1.55;
}

.demand-zone-results {
  display: grid;
  gap: 12px;
}

.demand-zone-card {
  border: 1px solid var(--line);
  background: #fff;
}

.demand-zone-card__header {
  min-height: 67px;
  padding: 12px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  background: #f8faf9;
}

.demand-zone-card__header small {
  color: var(--muted);
  font-size: 9px;
}

.demand-zone-card__header h3 {
  margin: 4px 0 0;
  font-size: 13px;
  font-weight: 650;
  color: var(--ink);
}

.demand-zone-card__header > span {
  flex: 0 0 auto;
  color: var(--accent-dark);
  font-size: 9px;
}

.demand-zone-card__metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.demand-zone-card__metric {
  padding: 11px;
  border-right: 1px solid #dfe4e8;
}

.demand-zone-card__metric:last-child {
  border-right: 0;
}

.demand-zone-card__metric small {
  display: block;
  color: var(--muted);
  font-size: 9px;
}

.demand-zone-card__metric strong {
  margin-top: 6px;
  display: block;
  font-size: 15px;
  font-weight: 620;
  color: var(--accent-dark);
  font-variant-numeric: tabular-nums;
}

.demand-zone-card__meta,
.demand-zone-card__hold {
  margin: 0;
  padding: 9px 12px;
  border-top: 1px solid #e3e7ea;
  color: var(--muted);
  font-size: 9px;
}

.demand-zone-card__hold {
  color: var(--warning);
  background: var(--warning-soft);
}

.demand-zone-card__link {
  padding: 10px 12px;
  display: block;
  border-top: 1px solid #e3e7ea;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 680;
  text-decoration: none;
}

.demand-zone-card__link:hover,
.demand-zone-card__link:focus-visible {
  color: var(--accent);
  background: var(--accent-soft);
  outline: 0;
}

/* Wizard */
.wizard-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-bottom: 1px solid var(--line);
}

.wizard-step {
  min-height: 52px;
  padding: 9px 12px;
  border: 0;
  border-right: 1px solid var(--line);
  color: var(--muted);
  background: var(--surface-subtle);
  font-size: 11px;
  font-weight: 650;
  text-align: left;
}

.wizard-step:last-child {
  border-right: 0;
}

.wizard-step span {
  margin-right: 7px;
  color: var(--line-strong);
  font-variant-numeric: tabular-nums;
}

.wizard-step[aria-current="step"] {
  color: var(--accent-dark);
  background: #fff;
}

.wizard-step[aria-current="step"] span {
  color: var(--accent);
}

.wizard-step:disabled {
  cursor: default;
}

.wizard-panel {
  min-height: 326px;
}

.wizard-panel h3 {
  margin: 0 0 7px;
  font-size: 17px;
  font-weight: 680;
}

.wizard-panel > p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 11px;
}

/* Equipment estimator */
.demand-start {
  min-height: 420px;
  padding: 10px 2px 2px;
  display: grid;
  align-content: center;
  gap: 24px;
}

.demand-start[hidden],
.demand-workspace[hidden],
.application-task-start[hidden],
.application-picker__body[hidden],
.application-picker__footer[hidden],
.demand-result-empty[hidden],
.demand-conclusion[hidden],
.demand-zone-results[hidden] {
  display: none;
}

.demand-start__heading {
  max-width: 570px;
}

.demand-start__heading .section-label {
  margin: 0 0 7px;
}

.demand-start__heading h3 {
  margin: 0;
  color: var(--ink);
  font-size: 25px;
  font-weight: 680;
  letter-spacing: -0.025em;
}

.demand-start__heading > p:last-child {
  margin: 7px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.demand-start__choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.demand-start__choice {
  min-height: 118px;
  padding: 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 13px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  text-align: left;
}

.demand-start__choice:hover,
.demand-start__choice:focus-visible {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.1);
}

.demand-start__index {
  color: var(--accent);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.demand-start__choice > span:nth-child(2) {
  display: grid;
  gap: 7px;
}

.demand-start__choice strong {
  font-size: 13px;
  font-weight: 710;
}

.demand-start__choice small {
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.demand-start__choice > span:last-child {
  color: var(--line-strong);
}

.demand-start__demo {
  justify-self: start;
  padding: 3px 0;
  border: 0;
  color: var(--accent-dark);
  background: transparent;
  font-size: 10px;
  font-weight: 680;
}

.demand-start__demo:hover,
.demand-start__demo:focus-visible {
  color: var(--accent);
  outline: 0;
  text-decoration: underline;
}

.equipment-list {
  display: grid;
  gap: 12px;
}

.equipment-entry {
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--surface-subtle);
}

.equipment-entry__header {
  margin-bottom: 11px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.equipment-entry__header strong {
  font-size: 11px;
}

.remove-row {
  padding: 3px 0;
  border: 0;
  color: var(--danger);
  background: transparent;
  font-size: 10px;
  font-weight: 650;
}

.equipment-entry__fields {
  display: grid;
  grid-template-columns: 1.3fr repeat(5, minmax(74px, 1fr));
  gap: 9px;
}

.equipment-entry .field {
  font-size: 9px;
}

.equipment-entry .field > input,
.equipment-entry .unit-control {
  min-height: 42px;
}

.equipment-entry .unit-control span {
  min-width: 35px;
  padding-inline: 5px;
  font-size: 8px;
}

.equipment-toolbar {
  margin-top: 13px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.application-reference {
  margin-bottom: 18px;
}

.application-reference__label {
  margin: 0 0 7px;
  color: var(--ink-soft);
  font-size: 11px;
  font-weight: 700;
}

.application-reference__trigger {
  width: 100%;
  min-height: 72px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  text-align: left;
}

.application-reference__trigger > span:first-child {
  padding: 13px 15px;
  display: grid;
  align-content: center;
  gap: 2px;
}

.application-reference__trigger strong {
  font-size: 12px;
  font-weight: 720;
}

.application-reference__trigger small {
  color: var(--muted);
  font-size: 10px;
}

.application-reference__action {
  min-width: 102px;
  padding: 0 15px;
  display: grid;
  place-items: center;
  border-left: 1px solid var(--line);
  color: var(--accent-dark);
  background: var(--accent-soft);
  font-size: 11px;
  font-weight: 720;
}

.application-reference__trigger:hover,
.application-reference__trigger:focus-visible {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.11);
}

.application-reference__status {
  margin: 8px 0 0;
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 650;
}

.application-reference__status:empty {
  display: none;
}

.equipment-entry__reference {
  margin: -3px 0 12px;
  padding-left: 9px;
  border-left: 2px solid var(--accent);
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.equipment-entry__engineering {
  margin-top: 11px;
  border-top: 1px solid var(--line);
}

.equipment-entry__engineering summary {
  padding: 10px 0 0;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 9px;
  font-weight: 680;
}

.equipment-entry__engineering-grid {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 9px;
}

.equipment-entry__engineering-grid select,
.equipment-entry__engineering-grid .unit-control {
  min-height: 40px;
}

.has-open-dialog {
  overflow: hidden;
}

.application-picker {
  width: min(1120px, calc(100% - 32px));
  max-width: none;
  max-height: min(820px, calc(100dvh - 32px));
  padding: 0;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--ink);
  background: var(--surface);
  box-shadow: 0 30px 90px rgba(17, 32, 43, 0.24);
}

.application-picker::backdrop {
  background: rgba(14, 27, 36, 0.56);
  backdrop-filter: blur(2px);
}

.application-picker__shell {
  max-height: min(820px, calc(100dvh - 32px));
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
}

.application-picker__header {
  padding: 22px 24px 15px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.application-picker__header .section-label {
  margin-bottom: 4px;
}

.application-picker__header h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 690;
  letter-spacing: -0.025em;
}

.application-picker__header p:last-child {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.application-picker__header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.application-picker__back,
.application-picker__close {
  min-width: 48px;
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 680;
}

.application-picker__back:hover,
.application-picker__back:focus-visible,
.application-picker__close:hover,
.application-picker__close:focus-visible {
  color: var(--accent);
  outline: 0;
}

.application-task-start {
  min-height: 430px;
  padding: 22px 24px 24px;
  overflow-y: auto;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.application-task-start__heading .section-label {
  margin: 0 0 5px;
}

.application-task-start__heading h3 {
  margin: 0;
  font-size: 19px;
  font-weight: 690;
  letter-spacing: -0.02em;
}

.application-task-start__heading > p:last-child {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.application-task-grid {
  margin-top: 17px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.application-task-card {
  min-height: 92px;
  padding: 14px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: start;
  gap: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  text-align: left;
}

.application-task-card:hover,
.application-task-card:focus-visible {
  border-color: var(--accent);
  outline: 0;
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.08);
}

.application-task-card__index {
  color: var(--accent);
  font-size: 8px;
  font-variant-numeric: tabular-nums;
}

.application-task-card__copy {
  display: grid;
  gap: 4px;
}

.application-task-card__copy strong {
  font-size: 11px;
  font-weight: 710;
}

.application-task-card__copy small {
  color: var(--muted);
  font-size: 8.5px;
  line-height: 1.5;
}

.application-task-card__arrow {
  color: var(--line-strong);
}

.application-task-all {
  margin-top: 14px;
  padding: 4px 0;
  border: 0;
  color: var(--accent-dark);
  background: transparent;
  font-size: 10px;
  font-weight: 680;
}

.application-task-all:hover,
.application-task-all:focus-visible {
  color: var(--accent);
  outline: 0;
  text-decoration: underline;
}

.application-picker__search {
  padding: 0 24px 18px;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
}

.application-picker__search .field {
  display: block;
}

.application-picker__search input {
  width: 100%;
  min-height: 45px;
  padding: 9px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  outline: 0;
}

.application-picker__search input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.11);
}

.application-picker__body {
  min-height: 430px;
  height: min(54vh, 500px);
  display: grid;
  grid-template-columns: 188px 306px minmax(0, 1fr);
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.application-categories {
  padding: 12px 0;
  overflow-y: auto;
  border-right: 1px solid var(--line);
  background: var(--surface-subtle);
}

.application-category {
  position: relative;
  width: 100%;
  min-height: 62px;
  padding: 10px 12px 10px 15px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  border: 0;
  color: var(--ink-soft);
  background: transparent;
  text-align: left;
}

.application-category::before {
  content: "";
  position: absolute;
  inset: 9px auto 9px 0;
  width: 2px;
  background: transparent;
}

.application-category:hover,
.application-category:focus-visible {
  color: var(--accent-dark);
  background: rgba(255, 255, 255, 0.72);
  outline: 0;
}

.application-category.is-active {
  color: var(--accent-dark);
  background: #fff;
}

.application-category.is-active::before {
  background: var(--accent);
}

.application-category__copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.application-category__copy strong {
  font-size: 11px;
  font-weight: 710;
}

.application-category__copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 8px;
  font-weight: 500;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.application-category__count {
  color: var(--muted);
  font-size: 9px;
  font-variant-numeric: tabular-nums;
}

.application-options {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  overflow: hidden;
  border-right: 1px solid var(--line);
  background: #fff;
}

.application-options__header {
  min-height: 48px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.application-options__header h3 {
  margin: 0;
  font-size: 11px;
  font-weight: 710;
}

.application-options__header span {
  color: var(--muted);
  font-size: 9px;
}

.application-options__list {
  overflow-y: auto;
}

.application-option {
  position: relative;
  width: 100%;
  min-height: 62px;
  padding: 10px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  background: #fff;
  text-align: left;
}

.application-option::after {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-top: 1px solid var(--line-strong);
  border-right: 1px solid var(--line-strong);
  transform: rotate(45deg);
}

.application-option:hover,
.application-option:focus-visible {
  color: var(--accent-dark);
  background: var(--accent-soft);
  outline: 0;
}

.application-option.is-selected {
  color: var(--accent-dark);
  background: var(--accent-soft);
}

.application-option.is-selected::after {
  border-color: var(--accent);
}

.application-option__copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.application-option__copy strong {
  font-size: 11px;
  font-weight: 680;
}

.application-option__copy small {
  overflow: hidden;
  color: var(--muted);
  font-size: 8px;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.application-option__category {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 8px;
}

.application-options__empty {
  margin: 20px 14px;
  color: var(--muted);
  font-size: 10px;
}

.application-detail {
  min-width: 0;
  padding: 22px;
  overflow-y: auto;
  background: #fff;
}

.application-detail__empty {
  min-height: 100%;
  display: grid;
  place-content: center;
  justify-items: start;
  color: var(--muted);
}

.application-detail__empty span {
  color: var(--line-strong);
  font-size: 44px;
  font-weight: 300;
  letter-spacing: -0.05em;
}

.application-detail__empty h3 {
  margin: 7px 0 2px;
  color: var(--ink-soft);
  font-size: 14px;
}

.application-detail__empty p {
  margin: 0;
  font-size: 10px;
}

.application-detail__heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.application-detail__heading .section-label {
  margin-bottom: 3px;
}

.application-detail__heading h3 {
  margin: 0;
  font-size: 20px;
  font-weight: 690;
  letter-spacing: -0.02em;
}

.application-detail__heading a {
  flex: 0 0 auto;
  color: var(--accent);
  font-size: 9px;
  font-weight: 680;
  text-decoration: none;
}

.application-detail__heading a:hover,
.application-detail__heading a:focus-visible {
  text-decoration: underline;
}

.application-detail__metrics {
  margin: 19px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.application-detail__metrics > div {
  min-height: 92px;
  padding: 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.application-detail__metrics dt {
  color: var(--muted);
  font-size: 8px;
  font-weight: 650;
}

.application-detail__metrics dd {
  margin: 7px 0 0;
  color: var(--ink);
  font-size: 21px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.025em;
  line-height: 1.1;
}

.application-detail__metrics small {
  margin-top: 5px;
  display: block;
  color: var(--muted);
  font-size: 8px;
  font-variant-numeric: tabular-nums;
}

.blast-reference-controls {
  margin-top: 14px;
  padding: 13px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.blast-reference-controls .field {
  font-size: 9px;
}

.blast-reference-controls .field select {
  min-height: 42px;
}

.application-calculator {
  margin-top: 15px;
  border: 1px solid var(--line-strong);
  background: #fff;
}

.application-calculator__header {
  padding: 12px 13px;
  display: grid;
  grid-template-columns: minmax(150px, 0.65fr) minmax(0, 1.35fr);
  align-items: start;
  gap: 18px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-subtle);
}

.application-calculator__header .section-label {
  margin: 0 0 2px;
  font-size: 8px;
}

.application-calculator__header h4 {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  font-weight: 710;
}

.application-calculator__header > p {
  margin: 0;
  color: var(--muted);
  font-size: 8.5px;
  line-height: 1.55;
}

.application-calculator__fields {
  padding: 13px;
}

.application-calculator__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
}

.application-calculator__field {
  min-width: 0;
  display: grid;
  align-content: start;
  gap: 5px;
  color: var(--muted);
}

.application-calculator__field[hidden] {
  display: none;
}

.application-calculator__label {
  color: var(--ink-soft);
  font-size: 8.5px;
  font-weight: 650;
}

.application-calculator__field input,
.application-calculator__field select {
  width: 100%;
  min-width: 0;
  min-height: 39px;
  padding: 8px 9px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-control);
  color: var(--ink);
  background: #fff;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
  outline: 0;
}

.application-calculator__field input:focus,
.application-calculator__field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(23, 93, 130, 0.1);
}

.application-calculator__field small {
  color: var(--muted);
  font-size: 7.5px;
  line-height: 1.4;
}

.application-calculator__control {
  min-width: 0;
}

.application-calculator__control input,
.application-calculator__control select {
  border: 0;
  box-shadow: none;
}

.application-calculator__unit {
  max-width: 48%;
  overflow: hidden;
  color: var(--muted);
  font-size: 8px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.application-calculator__advanced {
  margin-top: 12px;
  border-top: 1px solid var(--line);
}

.application-calculator__advanced summary {
  padding: 10px 0 9px;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 9px;
  font-weight: 680;
}

.application-calculator__advanced[open] summary {
  margin-bottom: 2px;
}

.application-calculator__error {
  margin: 11px 13px 13px;
  padding: 9px 10px;
  border-left: 2px solid var(--danger, #a64035);
  color: #7f3028;
  background: #fff4f1;
  font-size: 8.5px;
  line-height: 1.5;
}

.application-calculator__facts {
  margin: 13px 0 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.application-calculator__facts[hidden] {
  display: none;
}

.application-calculator__facts > div {
  padding: 9px 10px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.application-calculator__facts dt {
  color: var(--muted);
  font-size: 7.5px;
}

.application-calculator__facts dd {
  margin: 4px 0 0;
  color: var(--ink-soft);
  font-size: 10px;
  font-weight: 650;
  font-variant-numeric: tabular-nums;
}

.application-detail__guidance {
  margin-top: 15px;
  border-top: 1px solid var(--line);
}

.application-detail__guidance > div {
  padding: 10px 0;
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 12px;
  border-bottom: 1px solid var(--line);
}

.application-detail__guidance strong {
  color: var(--ink-soft);
  font-size: 9px;
}

.application-detail__guidance p {
  margin: 0;
  color: var(--muted);
  font-size: 9px;
  line-height: 1.55;
}

.application-detail__boundary {
  margin: 13px 0 0;
  padding: 10px 11px;
  border-left: 2px solid var(--warning);
  color: var(--ink-soft);
  background: var(--warning-soft);
  font-size: 9px;
}

.application-picker__footer {
  min-height: 76px;
  padding: 13px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
}

.application-picker__footer > p {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
}

.application-picker__footer > div {
  display: flex;
  align-items: center;
  gap: 8px;
}

.application-picker__footer .button {
  min-width: 94px;
}

.application-picker__footer .button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.result-list--conversion > div {
  grid-template-columns: minmax(96px, 0.55fr) minmax(0, 1fr);
}

.result-list--conversion dd {
  font-size: 18px;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.equipment-toolbar .field {
  width: 190px;
}

.carry-link {
  margin-top: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-dark);
  font-size: 11px;
  font-weight: 650;
  text-decoration: none;
}

.carry-link:hover,
.carry-link:focus-visible {
  color: var(--accent);
}

.context-note {
  margin: 18px 0 0;
  padding: 12px 14px;
  border-left: 2px solid var(--accent);
  color: var(--ink-soft);
  background: var(--accent-soft);
  font-size: 11px;
}

@media (max-width: 980px) {
  .library-layout {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .library-intro {
    position: static;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.58fr);
    align-items: end;
    gap: 40px;
  }

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

  .library-intro__lead {
    margin-top: 0;
  }

  .library-privacy {
    grid-column: 1 / -1;
    margin-top: 0;
  }

  .workbench-grid,
  .workbench-grid--wide-input {
    grid-template-columns: 1fr;
  }

  .result-panel {
    position: static;
  }
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 70px;
  }

  .frame {
    width: min(calc(100% - 28px), var(--frame));
  }

  .site-header__inner {
    min-height: 58px;
  }

  .wordmark {
    gap: 8px;
    font-size: 13px;
  }

  .wordmark__rule {
    width: 17px;
  }

  .site-nav {
    gap: 14px;
  }

  .site-nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    font-size: 11px;
  }

  .site-nav a:first-child {
    display: none;
  }

  .library-main,
  .tool-main {
    padding-top: 36px;
  }

  .library-layout,
  .library-intro,
  .tool-intro {
    display: block;
  }

  .library-intro h1,
  .tool-intro h1 {
    font-size: clamp(31px, 9vw, 42px);
  }

  .library-intro__lead {
    margin-top: 18px;
    font-size: 15px;
  }

  .library-privacy {
    margin-top: 24px;
  }

  .tool-link {
    min-height: 0;
    padding: 20px 2px;
    grid-template-columns: 35px minmax(0, 1fr) 24px;
    gap: 12px;
  }

  .tool-index--grid {
    grid-template-columns: 1fr;
  }

  .tool-index--grid .tool-link {
    min-height: 112px;
    padding: 17px 15px;
    grid-template-columns: 28px minmax(0, 1fr) 20px;
    grid-template-rows: auto 1fr;
    gap: 6px 9px;
  }

  .tool-index--grid .tool-link__description {
    grid-column: 2 / 4;
    grid-row: 2;
    margin: 0;
  }

  .tool-link__description {
    grid-column: 2 / 4;
    margin-top: -6px;
  }

  .tool-link__arrow {
    grid-column: 3;
    grid-row: 1;
  }

  .tool-link__title strong {
    font-size: 18px;
  }

  .breadcrumb {
    margin-bottom: 24px;
  }

  .tool-intro {
    margin-bottom: 26px;
  }

  .tool-intro__copy {
    margin-top: 17px;
  }

  .panel__header,
  .panel__body,
  .result-panel__header,
  .result-panel__body {
    padding-right: 17px;
    padding-left: 17px;
  }

  .demand-start {
    min-height: 0;
    padding: 12px 0 4px;
    gap: 18px;
  }

  .demand-start__heading h3 {
    font-size: 22px;
  }

  .demand-start__choices {
    grid-template-columns: 1fr;
  }

  .demand-start__choice {
    min-height: 104px;
  }

  .form-grid,
  .form-grid--3,
  .equipment-entry__fields,
  .equipment-entry__engineering-grid {
    grid-template-columns: 1fr;
  }

  .segmented--3 {
    grid-template-columns: 1fr;
  }

  .wizard-steps {
    grid-template-columns: 1fr;
  }

  .wizard-step {
    min-height: 43px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .wizard-step:last-child {
    border-bottom: 0;
  }

  .wizard-panel {
    min-height: 0;
  }

  .equipment-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .application-reference__trigger {
    min-height: 76px;
  }

  .application-reference__action {
    min-width: 86px;
    padding-inline: 10px;
  }

  .application-picker {
    inset: auto 0 0;
    width: 100%;
    height: 94dvh;
    max-height: 94dvh;
    margin: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 0;
    border-radius: 9px 9px 0 0;
  }

  .application-picker__shell {
    height: 100%;
    max-height: none;
  }

  .application-picker__header {
    padding: 16px 17px 11px;
  }

  .application-picker__header h2 {
    font-size: 20px;
  }

  .application-picker__header p:last-child {
    max-width: 270px;
    line-height: 1.45;
  }

  .application-task-start {
    min-height: 0;
    padding: 17px;
  }

  .application-task-grid {
    grid-template-columns: 1fr;
  }

  .application-task-card {
    min-height: 79px;
    padding: 12px;
  }

  .application-picker__search {
    padding: 0 17px 13px;
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .application-picker__search .field {
    font-size: 9px;
  }

  .application-picker__search input {
    min-height: 43px;
  }

  .application-picker__body {
    min-height: 0;
    height: auto;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(0, 1fr);
  }

  .application-picker[data-mobile-step="options"] .application-detail {
    display: none;
  }

  .application-picker[data-mobile-step="detail"] .application-categories,
  .application-picker[data-mobile-step="detail"] .application-options {
    display: none;
  }

  .application-picker[data-mobile-step="detail"] .application-picker__body {
    display: block;
    overflow: hidden;
  }

  .application-picker[data-mobile-step="detail"] .application-detail {
    height: 100%;
  }

  .application-categories {
    padding: 0 9px;
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    scrollbar-width: thin;
  }

  .application-categories::-webkit-scrollbar {
    height: 3px;
  }

  .application-categories::-webkit-scrollbar-track {
    background: transparent;
  }

  .application-categories::-webkit-scrollbar-thumb {
    background: var(--line-strong);
  }

  .application-category {
    width: auto;
    min-width: 132px;
    min-height: 58px;
    flex: 0 0 auto;
    padding: 8px 10px;
  }

  .application-category::before {
    inset: auto 8px 0;
    width: auto;
    height: 2px;
  }

  .application-category__copy small {
    display: none;
  }

  .application-options {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .application-options__header {
    min-height: 39px;
  }

  .application-option {
    min-height: 57px;
  }

  .application-detail {
    padding: 17px;
  }

  .application-detail__empty {
    min-height: 150px;
  }

  .application-detail__heading h3 {
    font-size: 18px;
  }

  .application-detail__metrics > div {
    min-height: 82px;
    padding: 10px;
  }

  .application-detail__metrics dd {
    font-size: 18px;
  }

  .application-calculator__header {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .application-calculator__fields {
    padding: 11px;
  }

  .application-calculator__grid {
    gap: 9px;
  }

  .application-picker__footer {
    min-height: 78px;
    padding: 11px 17px max(11px, env(safe-area-inset-bottom));
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 10px;
  }

  .application-picker__footer > p {
    line-height: 1.45;
  }

  .application-picker__footer > div {
    display: grid;
    grid-template-columns: auto minmax(130px, auto);
  }

  .application-picker__footer .button {
    width: auto;
    min-height: 44px;
  }

  .equipment-toolbar .field {
    width: 100%;
  }

  .form-actions,
  .wizard-actions,
  .result-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
    min-height: 48px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .metric-grid,
  .measurement-grid {
    grid-template-columns: 1fr;
  }

  .demand-zone-card__metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .demand-zone-card__metric:nth-child(2) {
    border-right: 0;
  }

  .demand-zone-card__metric:nth-child(n + 3) {
    border-top: 1px solid #dfe4e8;
  }

  .metric,
  .measurement {
    min-height: 94px;
  }

  .result-list > div {
    grid-template-columns: 78px minmax(0, 1fr);
  }

  .site-footer__inner {
    padding: 18px 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (min-width: 361px) and (max-width: 760px) {
  body[data-page="selector"] .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="selector"] .metric {
    min-height: 104px;
  }

  body[data-page="selector"] .metric strong {
    font-size: 24px;
  }
}

@media (max-width: 480px) {
  .application-picker__header {
    padding-bottom: 8px;
  }

  .application-picker__header p:last-child {
    display: none;
  }

  .application-picker__search {
    position: relative;
    padding-bottom: 10px;
  }

  .application-picker__search .field {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
    border: 0;
  }

  .application-category {
    min-height: 50px;
  }

  .application-calculator__grid {
    grid-template-columns: 1fr;
  }

  .application-picker__footer {
    grid-template-columns: 1fr;
  }

  .application-picker__footer > p {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .application-picker__footer > div {
    grid-template-columns: minmax(72px, 0.42fr) minmax(0, 1fr);
  }

  .application-picker__footer .button {
    min-width: 0;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .breadcrumb,
  .panel,
  .application-picker,
  .result-actions,
  .compact-details {
    display: none !important;
  }

  body,
  .tool-main {
    background: #fff;
  }

  .workbench-grid {
    display: block;
  }

  .result-panel {
    position: static;
    color: #000;
    border: 1px solid #777;
    background: #fff;
    box-shadow: none;
  }

  .result-panel__header,
  .metric-grid,
  .measurement-grid,
  .metric,
  .measurement,
  .result-summary,
  .demand-conclusion,
  .demand-zone-card,
  .demand-zone-card__header,
  .demand-zone-card__metric {
    border-color: #aaa;
    background: #fff;
  }

  .metric,
  .measurement,
  .result-summary,
  .demand-zone-card {
    break-inside: avoid;
  }

  .metric small,
  .metric span,
  .measurement small,
  .measurement span,
  .result-caption,
  .result-list dt,
  .result-list dd,
  .result-status,
  .result-notes,
  .result-notes summary,
  .result-summary small,
  .result-summary strong,
  .result-summary p,
  .demand-conclusion small,
  .demand-conclusion strong,
  .demand-conclusion p,
  .demand-zone-card__header small,
  .demand-zone-card__header h3,
  .demand-zone-card__header > span,
  .demand-zone-card__metric small,
  .demand-zone-card__metric strong,
  .demand-zone-card__meta {
    color: #333;
  }
}

/* Selector page V3 — friendly quick calculator */
@media screen {
  @keyframes selector-content-in {
    from {
      opacity: 0;
      transform: translateY(7px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes selector-mode-in {
    from {
      opacity: 0;
    }
    to {
      opacity: 1;
    }
  }

  @keyframes selector-mode-forward {
    from {
      opacity: 0;
      transform: translateX(10px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes selector-mode-backward {
    from {
      opacity: 0;
      transform: translateX(-10px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes selector-step-forward {
    from {
      opacity: 0;
      transform: translateX(13px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes selector-step-backward {
    from {
      opacity: 0;
      transform: translateX(-13px);
    }
    to {
      opacity: 1;
      transform: translateX(0);
    }
  }

  @keyframes selector-detail-in {
    from {
      opacity: 0;
      transform: translateY(-5px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes selector-card-in {
    from {
      opacity: 0;
      transform: translateY(8px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes selector-metric-value-update {
    from {
      opacity: 0.45;
      transform: translateY(3px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @keyframes selector-metric-card-update {
    0%, 100% {
      box-shadow: 0 0 0 0 rgba(52, 120, 246, 0);
    }
    45% {
      box-shadow: 0 0 0 5px rgba(52, 120, 246, 0.16);
    }
  }

  @keyframes selector-result-in {
    from {
      opacity: 0;
      transform: translateY(10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  body[data-page="selector"] {
    --quick-bg: #f6f8fb;
    --quick-surface: #ffffff;
    --quick-surface-soft: #f8fafc;
    --quick-text: #243247;
    --quick-soft: #59697d;
    --quick-muted: #6f7d90;
    --quick-line: #e3eaf2;
    --quick-line-strong: #cbd7e4;
    --quick-primary: #3478f6;
    --quick-primary-hover: #2463d4;
    --quick-primary-soft: #eaf3ff;
    --quick-success: #218a63;
    --quick-success-soft: #ecf8f2;
    --quick-warning: #9b641c;
    --quick-warning-soft: #fff7e8;
    color: var(--quick-text);
    background: var(--quick-bg);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
      "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  }

  body[data-page="selector"] .site-header {
    border-bottom-color: rgba(203, 215, 228, 0.72);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
  }

  body[data-page="selector"] .wordmark {
    color: var(--quick-text);
  }

  body[data-page="selector"] .wordmark__rule {
    height: 4px;
    border-radius: 999px;
    background: var(--quick-primary);
  }

  body[data-page="selector"] .site-nav a,
  body[data-page="selector"] .breadcrumb,
  body[data-page="selector"] .breadcrumb a {
    color: var(--quick-soft);
  }

  body[data-page="selector"] .site-nav a:hover,
  body[data-page="selector"] .site-nav a:focus-visible,
  body[data-page="selector"] .breadcrumb a:hover,
  body[data-page="selector"] .breadcrumb a:focus-visible {
    color: var(--quick-primary);
  }

  body[data-page="selector"] .tool-main {
    padding: 22px 0 64px;
  }

  body[data-page="selector"] .breadcrumb {
    margin-bottom: 13px;
    gap: 7px;
    font-size: 12px;
  }

  body[data-page="selector"] .tool-intro--workspace {
    margin-bottom: 20px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 32px;
  }

  body[data-page="selector"] .tool-intro__heading {
    animation: selector-content-in 330ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] .section-label {
    margin: 0 0 6px;
    color: var(--quick-primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0;
  }

  body[data-page="selector"] .tool-intro--workspace h1 {
    max-width: none;
    color: var(--quick-text);
    font-size: clamp(34px, 3.5vw, 43px);
    font-weight: 720;
    letter-spacing: -0.035em;
    line-height: 1.18;
  }

  body[data-page="selector"] .tool-intro__lead {
    max-width: 680px;
    margin: 8px 0 0;
    color: var(--quick-soft);
    font-size: 14px;
    line-height: 1.7;
  }

  body[data-page="selector"] .tool-intro__copy {
    min-width: 230px;
    margin: 0;
    padding: 13px 15px;
    border: 1px solid #d8e7fb;
    border-radius: 12px;
    color: var(--quick-soft);
    background: var(--quick-primary-soft);
    font-size: 12px;
    line-height: 1.45;
    animation: selector-content-in 330ms 70ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] .tool-intro__copy-label {
    display: inline-block;
    margin-bottom: 3px;
    color: var(--quick-primary);
    font-weight: 720;
  }

  body[data-page="selector"] .tool-intro__copy strong {
    margin: 0;
    color: var(--quick-text);
    font-size: 14px;
    font-weight: 700;
  }

  body[data-page="selector"] .tool-intro__scope {
    display: none;
  }

  body[data-page="selector"] .workbench-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(360px, 0.88fr);
    gap: 20px;
  }

  body[data-page="selector"] #selector-form,
  body[data-page="selector"] #selector-result {
    overflow: hidden;
    border: 1px solid var(--quick-line);
    border-radius: 16px;
    background: var(--quick-surface);
    box-shadow: 0 8px 30px rgba(35, 72, 110, 0.06);
  }

  body[data-page="selector"] #selector-form {
    min-width: 0;
    animation: selector-result-in 360ms 80ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] .wizard-steps {
    position: relative;
    overflow: hidden;
    padding: 0 15px;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--quick-line);
    background: var(--quick-surface-soft);
  }

  body[data-page="selector"] .wizard-steps::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 2px;
    background: var(--quick-primary);
    pointer-events: none;
    transform: scaleX(0.3333);
    transform-origin: left center;
    transition: transform 300ms cubic-bezier(0.2, 0.8, 0.2, 1);
  }

  body[data-page="selector"] #selector-form[data-current-step="2"] .wizard-steps::after {
    transform: scaleX(0.6667);
  }

  body[data-page="selector"] #selector-form[data-current-step="3"] .wizard-steps::after {
    transform: scaleX(1);
  }

  body[data-page="selector"] .wizard-step {
    min-height: 58px;
    padding: 8px 7px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 0;
    color: var(--quick-muted);
    background: transparent;
    font-size: 13px;
    font-weight: 650;
    text-align: center;
    transition: color 180ms ease, background-color 180ms ease;
  }

  body[data-page="selector"] .wizard-step span {
    width: 24px;
    height: 24px;
    margin: 0;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--quick-line-strong);
    border-radius: 50%;
    color: var(--quick-muted);
    background: var(--quick-surface);
    font-size: 11px;
    font-weight: 750;
    transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease,
      transform 180ms ease, box-shadow 180ms ease;
  }

  body[data-page="selector"] .wizard-step:hover,
  body[data-page="selector"] .wizard-step:focus-visible {
    color: var(--quick-primary);
    outline: 0;
  }

  body[data-page="selector"] .wizard-step:focus-visible span {
    box-shadow: 0 0 0 3px rgba(52, 120, 246, 0.15);
  }

  body[data-page="selector"] .wizard-step[aria-current="step"] {
    color: var(--quick-primary);
    background: transparent;
  }

  body[data-page="selector"] .wizard-step[aria-current="step"] span {
    border-color: var(--quick-primary);
    color: #fff;
    background: var(--quick-primary);
    transform: scale(1.06);
  }

  body[data-page="selector"] #selector-form .panel__body {
    padding: 27px 28px 28px;
  }

  body[data-page="selector"] .wizard-panel {
    min-height: 0;
  }

  body[data-page="selector"] .wizard-panel:not([hidden]) {
    animation: selector-content-in 230ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] #selector-form[data-step-direction="forward"] .wizard-panel:not([hidden]) {
    animation-name: selector-step-forward;
  }

  body[data-page="selector"] #selector-form[data-step-direction="backward"] .wizard-panel:not([hidden]) {
    animation-name: selector-step-backward;
  }

  body[data-page="selector"] [data-mode-panel]:not([hidden]) {
    animation: selector-mode-in 190ms ease-out both;
  }

  body[data-page="selector"] #selector-form[data-mode-direction="forward"] [data-mode-panel]:not([hidden]) {
    animation-name: selector-mode-forward;
  }

  body[data-page="selector"] #selector-form[data-mode-direction="backward"] [data-mode-panel]:not([hidden]) {
    animation-name: selector-mode-backward;
  }

  body[data-page="selector"] .wizard-panel h3 {
    margin: 0 0 6px;
    color: var(--quick-text);
    font-size: 22px;
    font-weight: 720;
    letter-spacing: -0.02em;
    line-height: 1.35;
  }

  body[data-page="selector"] .wizard-panel > p {
    margin: 0 0 19px;
    color: var(--quick-soft);
    font-size: 13px;
    line-height: 1.65;
  }

  body[data-page="selector"] .segmented {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    margin-bottom: 21px;
    padding: 4px;
    gap: 4px;
    border-radius: 12px;
    background: #eef3f8;
  }

  body[data-page="selector"] .segmented::before {
    content: "";
    position: absolute;
    top: 4px;
    bottom: 4px;
    left: 4px;
    z-index: 0;
    width: calc((100% - 12px) / 2);
    border: 1px solid #dbe7f5;
    border-radius: 9px;
    background: #fff;
    box-shadow: 0 2px 8px rgba(39, 82, 130, 0.08);
    pointer-events: none;
    transform: translateX(0);
    transition: transform 280ms cubic-bezier(0.2, 0.8, 0.2, 1),
      box-shadow 220ms ease;
  }

  body[data-page="selector"] .segmented[data-selected="replace"]::before {
    transform: translateX(calc(100% + 4px));
  }

  body[data-page="selector"] .segment-option {
    z-index: 1;
  }

  body[data-page="selector"] .segment-option span {
    min-height: 44px;
    padding: 8px 11px;
    border-color: transparent;
    border-radius: 9px;
    color: var(--quick-soft);
    background: transparent;
    font-size: 13px;
    font-weight: 650;
    transition: color 200ms ease;
  }

  body[data-page="selector"] .segment-option input:checked + span {
    border-color: transparent;
    color: var(--quick-primary);
    background: transparent;
    box-shadow: none;
  }

  body[data-page="selector"] .segment-option input:focus-visible + span {
    outline: 3px solid rgba(52, 120, 246, 0.16);
    outline-offset: 1px;
  }

  body[data-page="selector"] .form-section + .form-section {
    margin-top: 22px;
    padding-top: 20px;
    border-top-color: var(--quick-line);
  }

  body[data-page="selector"] .form-section__note {
    margin: 0 0 15px;
    color: var(--quick-soft);
    font-size: 12px;
    line-height: 1.6;
  }

  body[data-page="selector"] .form-grid {
    gap: 16px;
  }

  body[data-page="selector"] .field {
    gap: 8px;
    color: var(--quick-text);
    font-size: 13px;
    font-weight: 650;
    transition: color 180ms ease;
  }

  body[data-page="selector"] .field:focus-within {
    color: var(--quick-primary);
  }

  body[data-page="selector"] .field small {
    color: var(--quick-muted);
    font-size: 11px;
  }

  body[data-page="selector"] .field > input,
  body[data-page="selector"] .field select,
  body[data-page="selector"] .unit-control {
    min-height: 51px;
    border-color: var(--quick-line-strong);
    border-radius: 10px;
    color: var(--quick-text);
    background: #fff;
    transition: border-color 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  }

  body[data-page="selector"] .field > input,
  body[data-page="selector"] .field select,
  body[data-page="selector"] .unit-control input {
    font-size: 15px;
  }

  body[data-page="selector"] .field > input:focus,
  body[data-page="selector"] .field select:focus,
  body[data-page="selector"] .unit-control:focus-within {
    border-color: var(--quick-primary);
    box-shadow: 0 0 0 3px rgba(52, 120, 246, 0.12);
  }

  body[data-page="selector"] .unit-control span {
    min-width: 64px;
    border-left-color: var(--quick-line);
    color: var(--quick-soft);
    background: #f7f9fc;
    font-size: 11px;
    transition: color 180ms ease, background-color 180ms ease;
  }

  body[data-page="selector"] .field:focus-within .unit-control span {
    color: var(--quick-primary);
    background: var(--quick-primary-soft);
  }

  body[data-page="selector"] .context-note {
    margin: 16px 0 0;
    padding: 11px 13px;
    border: 0;
    border-radius: 10px;
    color: var(--quick-soft);
    background: var(--quick-primary-soft);
    font-size: 12px;
    line-height: 1.55;
  }

  body[data-page="selector"] .text-link {
    margin-left: 4px;
    color: var(--quick-primary);
    font-size: inherit;
  }

  body[data-page="selector"] .compact-details {
    margin-top: 20px;
    border-top-color: var(--quick-line);
  }

  body[data-page="selector"] .compact-details--inline {
    margin-top: 18px;
    border: 1px solid var(--quick-line);
    border-radius: 10px;
    background: var(--quick-surface-soft);
  }

  body[data-page="selector"] .compact-details--inline summary {
    padding: 0 13px;
  }

  body[data-page="selector"] .compact-details--inline .compact-details__body {
    padding: 0 13px 14px;
  }

  body[data-page="selector"] .compact-details summary {
    min-height: 47px;
    color: var(--quick-soft);
    font-size: 12px;
  }

  body[data-page="selector"] .compact-details summary::after {
    content: "›";
    color: var(--quick-primary);
    font-size: 20px;
    line-height: 1;
    transform: rotate(0);
    transition: transform 200ms ease;
  }

  body[data-page="selector"] .compact-details[open] summary::after {
    content: "›";
    transform: rotate(90deg);
  }

  body[data-page="selector"] .compact-details__body {
    color: var(--quick-soft);
    font-size: 12px;
  }

  body[data-page="selector"] .compact-details[open] .compact-details__body {
    animation: selector-detail-in 210ms ease-out both;
  }

  body[data-page="selector"] .wizard-actions {
    margin-top: 24px;
    justify-content: flex-end;
  }

  body[data-page="selector"] .button {
    min-height: 49px;
    padding: 10px 19px;
    border-color: var(--quick-primary);
    border-radius: 10px;
    color: #fff;
    background: var(--quick-primary);
    font-size: 13px;
    font-weight: 700;
    transition: color 180ms ease, border-color 180ms ease, background-color 180ms ease,
      box-shadow 180ms ease, transform 180ms ease;
  }

  body[data-page="selector"] .button:hover,
  body[data-page="selector"] .button:focus-visible {
    border-color: var(--quick-primary-hover);
    background: var(--quick-primary-hover);
    box-shadow: 0 0 0 3px rgba(52, 120, 246, 0.13);
    transform: translateY(-1px);
  }

  body[data-page="selector"] .button:active {
    transform: translateY(0) scale(0.99);
  }

  body[data-page="selector"] .button--quiet {
    border-color: var(--quick-line-strong);
    color: var(--quick-soft);
    background: #fff;
  }

  body[data-page="selector"] .button--quiet:hover,
  body[data-page="selector"] .button--quiet:focus-visible {
    border-color: #a9c7f7;
    color: var(--quick-primary);
    background: var(--quick-primary-soft);
  }

  body[data-page="selector"] .form-error {
    border-color: #f2c5c5;
    border-radius: 10px;
    font-size: 12px;
  }

  body[data-page="selector"] #selector-result {
    position: sticky;
    top: 82px;
    color: var(--quick-text);
    animation: selector-result-in 360ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] #selector-result .result-panel__header {
    min-height: 76px;
    padding: 18px 21px;
    border-bottom-color: #dce8f6;
    background: #f5f9ff;
  }

  body[data-page="selector"] #selector-result .result-panel__eyebrow {
    display: block;
    margin-bottom: 2px;
    color: var(--quick-primary);
    font-size: 11px;
    font-weight: 700;
  }

  body[data-page="selector"] #selector-result .result-panel__header h2 {
    color: var(--quick-text);
    font-size: 21px;
    font-weight: 720;
    letter-spacing: -0.02em;
  }

  body[data-page="selector"] .result-status {
    padding: 5px 9px;
    border-radius: 999px;
    color: var(--quick-success);
    background: var(--quick-success-soft);
    font-size: 11px;
    font-weight: 700;
    white-space: nowrap;
  }

  body[data-page="selector"] #selector-result .result-panel__body {
    padding: 20px 21px 21px;
  }

  body[data-page="selector"] .metric-grid {
    gap: 10px;
    border: 0;
  }

  body[data-page="selector"] .metric {
    min-height: 108px;
    padding: 14px;
    border: 1px solid var(--quick-line);
    border-radius: 11px;
    background: var(--quick-surface-soft);
    animation: selector-card-in 320ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  }

  body[data-page="selector"] .metric:nth-child(1) {
    animation-delay: 90ms;
  }

  body[data-page="selector"] .metric:nth-child(2) {
    animation-delay: 130ms;
  }

  body[data-page="selector"] .metric:nth-child(3) {
    animation-delay: 170ms;
  }

  body[data-page="selector"] .metric:nth-child(4) {
    animation-delay: 210ms;
  }

  body[data-page="selector"] .metric.is-updating {
    animation: selector-metric-card-update 340ms ease-out;
  }

  body[data-page="selector"] .metric strong.is-updating {
    animation: selector-metric-value-update 180ms cubic-bezier(0.2, 0.75, 0.25, 1);
  }

  @media (hover: hover) {
    body[data-page="selector"] .metric:hover {
      border-color: #cbdcf0;
      box-shadow: 0 8px 20px rgba(35, 72, 110, 0.08);
      transform: translateY(-2px);
    }
  }

  body[data-page="selector"] .metric:nth-child(-n + 2) {
    border-color: #d8e8fb;
    background: var(--quick-primary-soft);
  }

  body[data-page="selector"] .metric small {
    color: var(--quick-soft);
    font-size: 11px;
  }

  body[data-page="selector"] .metric strong {
    margin-top: 8px;
    color: var(--quick-text);
    font-size: clamp(25px, 2.35vw, 31px);
    font-weight: 720;
    letter-spacing: -0.035em;
  }

  body[data-page="selector"] .metric:nth-child(-n + 2) strong {
    color: var(--quick-primary-hover);
  }

  body[data-page="selector"] .metric span {
    margin-top: 5px;
    color: var(--quick-muted);
    font-size: 10px;
  }

  body[data-page="selector"] .result-summary {
    margin-top: 14px;
    padding: 14px 15px;
    border: 0;
    border-radius: 11px;
    background: #f0f6ff;
    animation: selector-card-in 320ms 240ms cubic-bezier(0.2, 0.75, 0.25, 1) both;
  }

  body[data-page="selector"] .result-summary small {
    color: var(--quick-soft);
    font-size: 11px;
  }

  body[data-page="selector"] .result-summary strong {
    margin-top: 4px;
    color: var(--quick-text);
    font-size: 16px;
    font-weight: 720;
  }

  body[data-page="selector"] .result-summary p {
    margin-top: 5px;
    color: var(--quick-soft);
    font-size: 12px;
    line-height: 1.55;
  }

  body[data-page="selector"] .result-disclosure,
  body[data-page="selector"] .result-notes {
    margin-top: 13px;
    border-top: 1px solid var(--quick-line);
    color: var(--quick-soft);
  }

  body[data-page="selector"] .result-disclosure > summary,
  body[data-page="selector"] .result-notes > summary {
    min-height: 45px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    color: var(--quick-soft);
    cursor: pointer;
    font-size: 12px;
    font-weight: 680;
    list-style: none;
  }

  body[data-page="selector"] .result-disclosure > summary::-webkit-details-marker,
  body[data-page="selector"] .result-notes > summary::-webkit-details-marker {
    display: none;
  }

  body[data-page="selector"] .result-disclosure > summary::after,
  body[data-page="selector"] .result-notes > summary::after {
    content: "›";
    color: var(--quick-primary);
    font-size: 20px;
    font-weight: 500;
    line-height: 1;
    transform: rotate(0);
    transition: transform 200ms ease;
  }

  body[data-page="selector"] .result-disclosure[open] > summary::after,
  body[data-page="selector"] .result-notes[open] > summary::after {
    content: "›";
    transform: rotate(90deg);
  }

  body[data-page="selector"] .result-disclosure > summary small {
    margin-left: auto;
    color: var(--quick-muted);
    font-size: 10px;
    font-weight: 600;
  }

  body[data-page="selector"] .result-list {
    margin: 0 0 4px;
  }

  body[data-page="selector"] .result-list > div {
    padding: 10px 0;
    gap: 11px;
    border-bottom-color: var(--quick-line);
  }

  body[data-page="selector"] .result-list dt,
  body[data-page="selector"] .result-list dd,
  body[data-page="selector"] .result-notes,
  body[data-page="selector"] .result-notes li {
    color: var(--quick-soft);
    font-size: 11px;
    line-height: 1.55;
  }

  body[data-page="selector"] .result-notes ul {
    margin: 0 0 7px;
    padding: 11px 13px 11px 30px;
    border-radius: 10px;
    background: var(--quick-surface-soft);
  }

  body[data-page="selector"] .result-notes + .result-notes ul {
    color: var(--quick-warning);
    background: var(--quick-warning-soft);
  }

  body[data-page="selector"] .result-disclosure[open] .result-list,
  body[data-page="selector"] .result-notes[open] > ul {
    animation: selector-detail-in 210ms ease-out both;
  }

  body[data-page="selector"] .result-actions {
    margin-top: 15px;
    padding-top: 0;
  }

  body[data-page="selector"] .result-actions .button {
    flex: 1 1 0;
  }

  body[data-page="selector"] .workbench-grid + .compact-details {
    max-width: 760px;
    margin-top: 20px;
  }

  body[data-page="selector"] .workbench-grid + .compact-details summary {
    color: var(--quick-muted);
  }
}

@media screen and (max-width: 980px) {
  body[data-page="selector"] .tool-intro--workspace {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  body[data-page="selector"] .workbench-grid {
    grid-template-columns: 1fr;
  }

  body[data-page="selector"] #selector-result {
    position: static;
  }
}

@media screen and (max-width: 760px) {
  body[data-page="selector"] .tool-main {
    padding: 14px 0 44px;
  }

  body[data-page="selector"] .breadcrumb,
  body[data-page="selector"] .section-label,
  body[data-page="selector"] .tool-intro__copy {
    display: none;
  }

  body[data-page="selector"] .tool-intro--workspace {
    margin-bottom: 13px;
    display: block;
  }

  body[data-page="selector"] .tool-intro--workspace h1 {
    font-size: clamp(28px, 8vw, 32px);
    line-height: 1.22;
  }

  body[data-page="selector"] .tool-intro__lead {
    margin-top: 5px;
    font-size: 13px;
    line-height: 1.55;
  }

  body[data-page="selector"] .workbench-grid {
    gap: 14px;
  }

  body[data-page="selector"] #selector-form,
  body[data-page="selector"] #selector-result {
    border-radius: 14px;
    box-shadow: 0 6px 22px rgba(35, 72, 110, 0.055);
  }

  body[data-page="selector"] .wizard-steps {
    padding: 0 6px;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body[data-page="selector"] .wizard-step {
    min-height: 50px;
    padding: 6px 3px;
    border: 0;
    font-size: 12px;
  }

  body[data-page="selector"] .wizard-step span {
    width: 22px;
    height: 22px;
    font-size: 10px;
  }

  body[data-page="selector"] #selector-form .panel__body {
    padding: 19px 18px 20px;
  }

  body[data-page="selector"] .wizard-panel h3 {
    font-size: 20px;
  }

  body[data-page="selector"] .wizard-panel > p {
    margin-bottom: 15px;
    font-size: 12px;
  }

  body[data-page="selector"] .segmented {
    margin-bottom: 17px;
  }

  body[data-page="selector"] .segment-option span {
    min-height: 48px;
    padding-inline: 7px;
    font-size: 12px;
    line-height: 1.4;
  }

  body[data-page="selector"] .form-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  body[data-page="selector"] .wizard-actions,
  body[data-page="selector"] .result-actions {
    align-items: stretch;
    flex-direction: column;
  }

  body[data-page="selector"] .button {
    width: 100%;
  }

  body[data-page="selector"] #selector-result .result-panel__header,
  body[data-page="selector"] #selector-result .result-panel__body {
    padding-right: 18px;
    padding-left: 18px;
  }

  body[data-page="selector"] .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="selector"] .metric {
    min-height: 102px;
    padding: 12px;
  }

  body[data-page="selector"] .metric strong {
    font-size: clamp(24px, 7.2vw, 29px);
  }
}

@media screen and (max-width: 360px) {
  body[data-page="selector"] .tool-intro--workspace h1 {
    font-size: 27px;
  }

  body[data-page="selector"] .wizard-step {
    gap: 5px;
    font-size: 11px;
  }

  body[data-page="selector"] .metric-grid {
    grid-template-columns: 1fr;
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  body[data-page="selector"] .tool-intro__heading,
  body[data-page="selector"] .tool-intro__copy,
  body[data-page="selector"] #selector-form,
  body[data-page="selector"] .wizard-panel:not([hidden]),
  body[data-page="selector"] [data-mode-panel]:not([hidden]),
  body[data-page="selector"] #selector-result,
  body[data-page="selector"] .metric,
  body[data-page="selector"] .metric strong.is-updating,
  body[data-page="selector"] .result-summary,
  body[data-page="selector"] .compact-details[open] .compact-details__body,
  body[data-page="selector"] .result-disclosure[open] .result-list,
  body[data-page="selector"] .result-notes[open] > ul {
    animation: none !important;
  }

  body[data-page="selector"] .wizard-steps::after,
  body[data-page="selector"] .segmented::before,
  body[data-page="selector"] .segment-option span,
  body[data-page="selector"] .wizard-step,
  body[data-page="selector"] .wizard-step span,
  body[data-page="selector"] .button,
  body[data-page="selector"] .metric,
  body[data-page="selector"] .field,
  body[data-page="selector"] .field > input,
  body[data-page="selector"] .field select,
  body[data-page="selector"] .unit-control,
  body[data-page="selector"] .unit-control span,
  body[data-page="selector"] .compact-details summary::after,
  body[data-page="selector"] .result-disclosure > summary::after,
  body[data-page="selector"] .result-notes > summary::after {
    transition: none !important;
  }
}

/* Application search guides: friendly, crawlable explanations that lead into the calculators. */
@media screen {
  body:is([data-page="applications"], [data-page="application"]) {
    color: #243247;
    background: #f6f9fc;
  }

  body:is([data-page="applications"], [data-page="application"]) .application-main {
    min-height: calc(100vh - 132px);
    padding: 28px 0 72px;
  }

  body:is([data-page="applications"], [data-page="application"]) .application-frame {
    max-width: 1120px;
  }

  body:is([data-page="applications"], [data-page="application"]) .breadcrumb {
    margin-bottom: 22px;
  }

  body:is([data-page="applications"], [data-page="application"]) .section-label {
    color: #3478f6;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
  }

  body[data-page="applications"] .application-index-hero {
    max-width: 790px;
    margin-bottom: 30px;
  }

  body[data-page="applications"] .application-index-hero h1,
  body[data-page="application"] .application-hero h1 {
    margin: 8px 0 12px;
    color: #1f2d3d;
    font-family: inherit;
    font-size: clamp(34px, 4.4vw, 50px);
    line-height: 1.13;
    letter-spacing: -.035em;
  }

  body[data-page="applications"] .application-index-hero > p:last-child,
  body[data-page="application"] .application-hero > div > p:last-child {
    max-width: 760px;
    margin: 0;
    color: #627086;
    font-size: 15px;
    line-height: 1.8;
  }

  body[data-page="applications"] .application-index-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
  }

  body[data-page="applications"] .application-index-grid > a {
    min-height: 250px;
    padding: 23px;
    display: flex;
    flex-direction: column;
    color: inherit;
    text-decoration: none;
    border: 1px solid #e1e9f2;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 8px 30px rgba(35, 72, 110, .045);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
  }

  body[data-page="applications"] .application-index-grid > a:hover,
  body[data-page="applications"] .application-index-grid > a:focus-visible {
    border-color: #9fc1fa;
    box-shadow: 0 14px 36px rgba(35, 72, 110, .09);
    transform: translateY(-2px);
  }

  body[data-page="applications"] .application-index-grid > a > span {
    color: #3478f6;
    font-size: 11px;
    font-weight: 700;
  }

  body[data-page="applications"] .application-index-grid h2 {
    margin: 13px 0 10px;
    color: #233247;
    font-size: 19px;
    line-height: 1.35;
  }

  body[data-page="applications"] .application-index-grid p {
    margin: 0 0 20px;
    color: #6b778c;
    font-size: 13px;
    line-height: 1.7;
  }

  body[data-page="applications"] .application-index-grid strong {
    margin-top: auto;
    color: #2463d4;
    font-size: 12px;
  }

  body[data-page="applications"] .application-index-note {
    margin-top: 18px;
    padding: 23px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border: 1px solid #dbe8f7;
    border-radius: 16px;
    background: #edf5ff;
  }

  body[data-page="applications"] .application-index-note h2 {
    margin: 0 0 5px;
    color: #26364c;
    font-size: 18px;
  }

  body[data-page="applications"] .application-index-note p {
    max-width: 680px;
    margin: 0;
    color: #627086;
    font-size: 13px;
    line-height: 1.65;
  }

  body[data-page="application"] .application-hero {
    margin-bottom: 20px;
    padding: 32px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 286px;
    gap: 48px;
    align-items: center;
    border: 1px solid #e1e9f2;
    border-radius: 18px;
    background: #fff;
    box-shadow: 0 10px 36px rgba(35, 72, 110, .055);
  }

  body[data-page="application"] .application-hero__action {
    padding-left: 26px;
    border-left: 1px solid #e7edf4;
  }

  body[data-page="application"] .application-hero__action > span,
  body[data-page="application"] .application-hero__action > small {
    display: block;
    color: #748095;
    font-size: 11px;
    line-height: 1.55;
  }

  body[data-page="application"] .application-hero__action .button {
    width: 100%;
    min-height: 48px;
    margin: 9px 0;
    justify-content: center;
    border-radius: 10px;
  }

  body[data-page="application"] .application-article {
    display: grid;
    gap: 16px;
  }

  body[data-page="application"] .application-article > section,
  body[data-page="application"] .application-next {
    padding: 28px 30px;
    border: 1px solid #e2e9f1;
    border-radius: 16px;
    background: #fff;
  }

  body[data-page="application"] .application-section-head {
    margin-bottom: 20px;
  }

  body[data-page="application"] .application-section-head h2,
  body[data-page="application"] .application-example h2,
  body[data-page="application"] .application-boundary h2,
  body[data-page="application"] .application-sources h2 {
    margin: 6px 0 0;
    color: #26364c;
    font-size: 22px;
    line-height: 1.35;
  }

  body[data-page="application"] .application-step-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    border: 1px solid #e2eaf3;
    border-radius: 13px;
    background: #e2eaf3;
  }

  body[data-page="application"] .application-step-grid article {
    min-height: 190px;
    padding: 20px;
    background: #f9fbfe;
  }

  body[data-page="application"] .application-step-grid article > span {
    color: #3478f6;
    font-size: 11px;
    font-weight: 750;
  }

  body[data-page="application"] .application-step-grid h3 {
    margin: 20px 0 9px;
    color: #29394f;
    font-size: 15px;
    line-height: 1.45;
  }

  body[data-page="application"] .application-step-grid p,
  body[data-page="application"] .application-example > p,
  body[data-page="application"] .application-boundary > p,
  body[data-page="application"] .application-sources p {
    margin: 0;
    color: #66748a;
    font-size: 13px;
    line-height: 1.75;
  }

  body[data-page="application"] .application-example,
  body[data-page="application"] .application-boundary,
  body[data-page="application"] .application-sources {
    display: grid;
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 34px;
    align-items: start;
  }

  body[data-page="application"] .application-example {
    border-color: #d6e6fa;
    background: #f1f7ff;
  }

  body[data-page="application"] .application-boundary {
    border-color: #f0e2c9;
    background: #fffaf1;
  }

  body[data-page="application"] .application-faq__list {
    overflow: hidden;
    border-top: 1px solid #e6edf5;
  }

  body[data-page="application"] .application-faq details {
    border-bottom: 1px solid #e6edf5;
  }

  body[data-page="application"] .application-faq summary {
    min-height: 54px;
    padding: 14px 32px 14px 0;
    display: flex;
    align-items: center;
    position: relative;
    color: #304156;
    font-size: 14px;
    font-weight: 650;
    cursor: pointer;
    list-style: none;
  }

  body[data-page="application"] .application-faq summary::-webkit-details-marker {
    display: none;
  }

  body[data-page="application"] .application-faq summary::after {
    content: "+";
    position: absolute;
    right: 4px;
    color: #3478f6;
    font-size: 20px;
    font-weight: 400;
  }

  body[data-page="application"] .application-faq details[open] summary::after {
    content: "−";
  }

  body[data-page="application"] .application-faq details p {
    max-width: 820px;
    margin: -2px 0 16px;
    color: #67758a;
    font-size: 13px;
    line-height: 1.75;
  }

  body[data-page="application"] .application-sources .source-links {
    justify-content: flex-start;
  }

  body[data-page="application"] .application-next {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    border-color: #d8e7f8;
    background: #edf5ff;
  }

  body[data-page="application"] .application-next strong {
    color: #26364c;
    font-size: 17px;
  }

  body[data-page="application"] .application-next p {
    margin: 5px 0 0;
    color: #69778d;
    font-size: 12px;
  }

  body[data-page="application"] .application-next .source-links {
    justify-content: flex-end;
  }
}

@media screen and (max-width: 900px) {
  body[data-page="applications"] .application-index-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="application"] .application-hero {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 28px;
  }

  body[data-page="application"] .application-example,
  body[data-page="application"] .application-boundary,
  body[data-page="application"] .application-sources {
    grid-template-columns: 205px minmax(0, 1fr);
    gap: 24px;
  }
}

@media screen and (max-width: 700px) {
  body:is([data-page="applications"], [data-page="application"]) .application-main {
    padding: 20px 0 48px;
  }

  body:is([data-page="applications"], [data-page="application"]) .breadcrumb {
    display: none;
  }

  body[data-page="applications"] .application-index-hero {
    margin-bottom: 20px;
  }

  body[data-page="applications"] .application-index-hero h1,
  body[data-page="application"] .application-hero h1 {
    font-size: clamp(28px, 8vw, 34px);
  }

  body[data-page="applications"] .application-index-grid {
    grid-template-columns: 1fr;
    gap: 11px;
  }

  body[data-page="applications"] .application-index-grid > a {
    min-height: 0;
    padding: 20px;
  }

  body[data-page="applications"] .application-index-note,
  body[data-page="application"] .application-hero,
  body[data-page="application"] .application-next {
    display: block;
  }

  body[data-page="applications"] .application-index-note .button {
    width: 100%;
    margin-top: 17px;
    justify-content: center;
  }

  body[data-page="application"] .application-hero {
    padding: 23px 20px;
  }

  body[data-page="application"] .application-hero__action {
    margin-top: 22px;
    padding: 18px 0 0;
    border-top: 1px solid #e7edf4;
    border-left: 0;
  }

  body[data-page="application"] .application-article > section,
  body[data-page="application"] .application-next {
    padding: 22px 19px;
  }

  body[data-page="application"] .application-step-grid {
    grid-template-columns: 1fr;
  }

  body[data-page="application"] .application-step-grid article {
    min-height: 0;
    padding: 18px;
  }

  body[data-page="application"] .application-step-grid h3 {
    margin-top: 10px;
  }

  body[data-page="application"] .application-example,
  body[data-page="application"] .application-boundary,
  body[data-page="application"] .application-sources {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  body[data-page="application"] .application-next .source-links {
    margin-top: 16px;
    justify-content: flex-start;
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  body[data-page="applications"] .application-index-grid > a {
    transition: none;
  }
}

@media print {
  body:is([data-page="applications"], [data-page="application"]) .application-main {
    padding: 0;
  }

  body[data-page="application"] .application-hero,
  body[data-page="application"] .application-article > section,
  body[data-page="application"] .application-next,
  body[data-page="applications"] .application-index-grid > a {
    break-inside: avoid;
    box-shadow: none;
  }
}

@media print {
  body[data-page="selector"] .tool-intro--workspace {
    margin-bottom: 16px;
    display: block;
  }

  body[data-page="selector"] .tool-intro__copy,
  body[data-page="selector"] .tool-intro__lead,
  body[data-page="selector"] .result-panel__eyebrow,
  body[data-page="selector"] .result-disclosure > summary,
  body[data-page="selector"] .result-notes > summary {
    display: none;
  }

  body[data-page="selector"] .tool-intro--workspace h1 {
    font-family: sans-serif;
    font-size: 27px;
  }

  body[data-page="selector"] .result-disclosure:not([open]) > .result-list,
  body[data-page="selector"] .result-notes:not([open]) > ul {
    display: block !important;
  }

  body[data-page="selector"] .result-list > div,
  body[data-page="selector"] .result-notes {
    break-inside: avoid;
  }
}

/* Tool library — clean, approachable entry page */
@media screen {
  body[data-page="library"] {
    color: #243247;
    background: #f6f9fc;
  }

  body[data-page="library"] .site-header {
    border-color: #e4ebf3;
    background: rgba(246, 249, 252, 0.94);
    backdrop-filter: blur(14px);
  }

  body[data-page="library"] .wordmark__rule {
    background: #3478f6;
  }

  body[data-page="library"] .site-nav a:hover,
  body[data-page="library"] .site-nav a:focus-visible,
  body[data-page="library"] .site-footer a:hover,
  body[data-page="library"] .site-footer a:focus-visible {
    color: #2463d4;
  }

  body[data-page="library"] .library-main {
    min-height: calc(100vh - 137px);
    padding: 0;
    overflow: hidden;
  }

  body[data-page="library"] .library-hero {
    position: relative;
    min-height: 370px;
    display: flex;
    align-items: center;
    isolation: isolate;
    overflow: hidden;
    border-bottom: 1px solid #e4ebf3;
    background: #f6f9fc;
  }

  body[data-page="library"] .library-hero::after {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    pointer-events: none;
    background:
      linear-gradient(90deg, #f6f9fc 0%, rgba(246, 249, 252, 0.97) 34%, rgba(246, 249, 252, 0.74) 57%, rgba(246, 249, 252, 0.12) 100%),
      linear-gradient(180deg, rgba(246, 249, 252, 0.08) 62%, #f6f9fc 100%);
  }

  body[data-page="library"] .library-hero__art {
    position: absolute;
    inset: 0;
    z-index: -2;
    display: block;
    pointer-events: none;
    animation: library-art-in 900ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
  }

  body[data-page="library"] .library-hero__art img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    object-position: center 48%;
  }

  body[data-page="library"] .library-hero__inner {
    width: min(calc(100% - 48px), var(--frame));
    margin-inline: auto;
  }

  body[data-page="library"] .library-hero__copy {
    width: min(610px, 58%);
    padding: 50px 0 44px;
    animation: library-copy-in 620ms 80ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
  }

  body[data-page="library"] .library-eyebrow {
    margin: 0 0 12px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #2463d4;
    font-size: 12px;
    font-weight: 720;
    letter-spacing: 0.04em;
  }

  body[data-page="library"] .library-eyebrow span {
    width: 7px;
    height: 7px;
    display: block;
    border-radius: 50%;
    background: #3478f6;
    box-shadow: 0 0 0 5px rgba(52, 120, 246, 0.11);
  }

  body[data-page="library"] .library-hero h1 {
    max-width: 590px;
    margin: 0;
    color: #1f2d3d;
    font-size: clamp(39px, 4vw, 52px);
    font-weight: 740;
    letter-spacing: -0.045em;
    line-height: 1.14;
  }

  body[data-page="library"] .library-intro__lead {
    max-width: 560px;
    margin: 16px 0 0;
    color: #5f6f82;
    font-size: 16px;
    line-height: 1.72;
  }

  body[data-page="library"] .library-hero__actions {
    max-width: 590px;
    margin-top: 24px;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 11px;
  }

  body[data-page="library"] .library-start {
    min-height: 76px;
    padding: 13px 15px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    border: 1px solid rgba(188, 204, 222, 0.9);
    border-radius: 13px;
    color: #243247;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 8px 24px rgba(35, 72, 110, 0.055);
    text-decoration: none;
    transition: transform 190ms ease, border-color 190ms ease, box-shadow 190ms ease, background-color 190ms ease;
  }

  body[data-page="library"] .library-start--primary {
    border-color: #3478f6;
    color: #fff;
    background: #3478f6;
    box-shadow: 0 10px 26px rgba(52, 120, 246, 0.2);
  }

  body[data-page="library"] .library-start strong,
  body[data-page="library"] .library-start small {
    display: block;
  }

  body[data-page="library"] .library-start strong {
    font-size: 14px;
    font-weight: 720;
  }

  body[data-page="library"] .library-start small {
    margin-top: 2px;
    color: #738195;
    font-size: 11px;
    font-weight: 520;
  }

  body[data-page="library"] .library-start--primary small {
    color: rgba(255, 255, 255, 0.78);
  }

  body[data-page="library"] .library-start > span:last-child {
    font-size: 19px;
    transition: transform 190ms ease;
  }

  body[data-page="library"] .library-start:hover,
  body[data-page="library"] .library-start:focus-visible {
    outline: none;
    border-color: #7eacf7;
    transform: translateY(-2px);
    box-shadow: 0 13px 32px rgba(35, 72, 110, 0.11);
  }

  body[data-page="library"] .library-start--primary:hover,
  body[data-page="library"] .library-start--primary:focus-visible {
    border-color: #2463d4;
    background: #2463d4;
    box-shadow: 0 14px 30px rgba(52, 120, 246, 0.25);
  }

  body[data-page="library"] .library-start:focus-visible {
    box-shadow: 0 0 0 4px rgba(52, 120, 246, 0.18), 0 13px 32px rgba(35, 72, 110, 0.11);
  }

  body[data-page="library"] .library-start:hover > span:last-child,
  body[data-page="library"] .library-start:focus-visible > span:last-child {
    transform: translateX(3px);
  }

  body[data-page="library"] .library-privacy {
    margin: 16px 0 0;
    padding: 0;
    border: 0;
    color: #7b8797;
    font-size: 11px;
  }

  body[data-page="library"] .library-tools {
    padding: 42px 0 68px;
  }

  body[data-page="library"] .library-section-head {
    margin-bottom: 22px;
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 28px;
  }

  body[data-page="library"] .library-section-head .section-label {
    margin-bottom: 4px;
    color: #3478f6;
    font-size: 11px;
    letter-spacing: 0.08em;
  }

  body[data-page="library"] .library-section-head h2 {
    margin: 0;
    color: #243247;
    font-size: 29px;
    font-weight: 720;
    letter-spacing: -0.035em;
    line-height: 1.25;
  }

  body[data-page="library"] .library-section-head > p {
    margin: 0 0 3px;
    color: #7a8798;
    font-size: 13px;
  }

  body[data-page="library"] .tool-index,
  body[data-page="library"] .tool-index--grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    border: 0;
  }

  body[data-page="library"] .tool-index--grid .tool-link,
  body[data-page="library"] .tool-link {
    min-height: 198px;
    padding: 20px;
    display: grid;
    grid-template-columns: 46px minmax(0, 1fr);
    grid-template-rows: auto auto 1fr auto;
    align-items: start;
    gap: 12px 13px;
    border: 1px solid #e1e9f2;
    border-radius: 16px;
    color: #243247;
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 7px 24px rgba(35, 72, 110, 0.045);
    text-decoration: none;
    animation: library-card-in 480ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
    transition: transform 190ms ease, border-color 190ms ease, box-shadow 190ms ease, background-color 190ms ease;
  }

  body[data-page="library"] .tool-link:nth-child(2) { animation-delay: 45ms; }
  body[data-page="library"] .tool-link:nth-child(3) { animation-delay: 90ms; }
  body[data-page="library"] .tool-link:nth-child(4) { animation-delay: 135ms; }
  body[data-page="library"] .tool-link:nth-child(5) { animation-delay: 180ms; }
  body[data-page="library"] .tool-link:nth-child(6) { animation-delay: 225ms; }
  body[data-page="library"] .tool-link:nth-child(7) { animation-delay: 270ms; }
  body[data-page="library"] .tool-link:nth-child(8) { animation-delay: 315ms; }

  body[data-page="library"] .tool-index--grid .tool-link--featured {
    border-color: #cbdffc;
    background: #f1f7ff;
  }

  body[data-page="library"] .tool-link:hover,
  body[data-page="library"] .tool-link:focus-visible {
    outline: none;
    border-color: #a9c8f8;
    background: #fff;
    box-shadow: 0 14px 34px rgba(35, 72, 110, 0.105);
    transform: translateY(-4px);
  }

  body[data-page="library"] .tool-link:focus-visible {
    box-shadow: 0 0 0 4px rgba(52, 120, 246, 0.16), 0 14px 34px rgba(35, 72, 110, 0.105);
  }

  body[data-page="library"] .tool-link__icon {
    grid-column: 1;
    grid-row: 1;
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    border-radius: 13px;
    color: #3478f6;
    background: #edf5ff;
    transition: color 190ms ease, background-color 190ms ease, transform 190ms ease;
  }

  body[data-page="library"] .tool-link__icon svg {
    width: 23px;
    height: 23px;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
  }

  body[data-page="library"] .tool-link:hover .tool-link__icon,
  body[data-page="library"] .tool-link:focus-visible .tool-link__icon {
    color: #fff;
    background: #3478f6;
    transform: scale(1.04);
  }

  body[data-page="library"] .tool-index--grid .tool-link__title,
  body[data-page="library"] .tool-link__title {
    grid-column: 2;
    grid-row: 1;
    align-self: center;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title strong,
  body[data-page="library"] .tool-link__title strong {
    color: #243247;
    font-size: 16px;
    font-weight: 720;
    letter-spacing: -0.018em;
    line-height: 1.35;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title small,
  body[data-page="library"] .tool-link__title small {
    margin-top: 3px;
    color: #7a8798;
    font-size: 10px;
    font-weight: 520;
    line-height: 1.45;
  }

  body[data-page="library"] .tool-index--grid .tool-link__description,
  body[data-page="library"] .tool-link__description {
    grid-column: 1 / -1;
    grid-row: 2 / 4;
    margin: 0;
    color: #627185;
    font-size: 12px;
    line-height: 1.65;
  }

  body[data-page="library"] .tool-index--grid .tool-link__arrow,
  body[data-page="library"] .tool-link__arrow {
    grid-column: 1 / -1;
    grid-row: 4;
    justify-self: start;
    align-self: end;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    color: #3478f6;
    font-size: 11px;
    font-weight: 700;
  }

  body[data-page="library"] .tool-link__arrow span {
    font-size: 16px;
    transition: transform 190ms ease;
  }

  body[data-page="library"] .tool-link:hover .tool-link__arrow,
  body[data-page="library"] .tool-link:focus-visible .tool-link__arrow {
    transform: none;
  }

  body[data-page="library"] .tool-link:hover .tool-link__arrow span,
  body[data-page="library"] .tool-link:focus-visible .tool-link__arrow span {
    transform: translateX(3px);
  }

  body[data-page="library"] .library-note {
    margin: 20px 0 0;
    padding: 13px 16px;
    border: 1px solid #deebfa;
    border-radius: 11px;
    color: #637286;
    background: #eef6ff;
    font-size: 12px;
  }

  body[data-page="library"] .library-note strong {
    color: #315b86;
  }

  body[data-page="library"] .site-footer {
    border-color: #e4ebf3;
    background: #fff;
  }

  @keyframes library-art-in {
    from { opacity: 0; transform: scale(1.025); }
    to { opacity: 1; transform: scale(1); }
  }

  @keyframes library-copy-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes library-card-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media screen and (max-width: 1100px) {
  body[data-page="library"] .tool-index,
  body[data-page="library"] .tool-index--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body[data-page="library"] .tool-index--grid .tool-link,
  body[data-page="library"] .tool-link {
    min-height: 174px;
  }
}

@media screen and (max-width: 760px) {
  body[data-page="library"] .library-main {
    padding-top: 0;
  }

  body[data-page="library"] .library-hero__inner {
    width: min(calc(100% - 28px), var(--frame));
  }

  body[data-page="library"] .library-hero {
    min-height: 350px;
    align-items: flex-start;
  }

  body[data-page="library"] .library-hero::after {
    background:
      linear-gradient(180deg, rgba(246, 249, 252, 0.98) 0%, rgba(246, 249, 252, 0.95) 62%, rgba(246, 249, 252, 0.72) 100%),
      linear-gradient(90deg, rgba(246, 249, 252, 0.94), rgba(246, 249, 252, 0.64));
  }

  body[data-page="library"] .library-hero__art img {
    object-position: center 68%;
  }

  body[data-page="library"] .library-hero__copy {
    width: 100%;
    padding: 28px 0 23px;
  }

  body[data-page="library"] .library-eyebrow {
    margin-bottom: 8px;
    font-size: 11px;
  }

  body[data-page="library"] .library-hero h1 {
    font-size: clamp(29px, 8.4vw, 34px);
    line-height: 1.2;
  }

  body[data-page="library"] .library-intro__lead {
    max-width: 340px;
    margin-top: 9px;
    font-size: 13px;
    line-height: 1.62;
  }

  body[data-page="library"] .library-hero__actions {
    margin-top: 17px;
    gap: 8px;
  }

  body[data-page="library"] .library-start {
    min-height: 69px;
    padding: 10px 11px;
    border-radius: 11px;
  }

  body[data-page="library"] .library-start strong {
    font-size: 12px;
  }

  body[data-page="library"] .library-start small {
    font-size: 9px;
  }

  body[data-page="library"] .library-start > span:last-child {
    display: none;
  }

  body[data-page="library"] .library-privacy {
    margin-top: 12px;
    font-size: 10px;
    line-height: 1.45;
  }

  body[data-page="library"] .library-tools {
    padding: 29px 0 46px;
  }

  body[data-page="library"] .library-section-head {
    margin-bottom: 16px;
    display: block;
  }

  body[data-page="library"] .library-section-head h2 {
    font-size: 24px;
  }

  body[data-page="library"] .library-section-head > p {
    margin-top: 4px;
    font-size: 11px;
  }

  body[data-page="library"] .tool-index,
  body[data-page="library"] .tool-index--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
  }

  body[data-page="library"] .tool-index--grid .tool-link,
  body[data-page="library"] .tool-link {
    min-height: 161px;
    padding: 14px;
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 9px;
    border-radius: 14px;
  }

  body[data-page="library"] .tool-link__icon {
    width: 39px;
    height: 39px;
    flex: 0 0 39px;
    border-radius: 11px;
  }

  body[data-page="library"] .tool-link__icon svg {
    width: 20px;
    height: 20px;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title,
  body[data-page="library"] .tool-link__title {
    align-self: stretch;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title strong,
  body[data-page="library"] .tool-link__title strong {
    font-size: 14px;
    line-height: 1.4;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title small,
  body[data-page="library"] .tool-link__title small {
    margin-top: 2px;
    font-size: 9px;
    line-height: 1.4;
  }

  body[data-page="library"] .tool-index--grid .tool-link__description,
  body[data-page="library"] .tool-link__description {
    display: none;
  }

  body[data-page="library"] .tool-index--grid .tool-link__arrow,
  body[data-page="library"] .tool-link__arrow {
    margin-top: auto;
    font-size: 10px;
  }

  body[data-page="library"] .library-note {
    margin-top: 14px;
    padding: 11px 12px;
    font-size: 10px;
    line-height: 1.55;
  }
}

@media screen and (max-width: 340px) {
  body[data-page="library"] .library-hero {
    min-height: 359px;
  }

  body[data-page="library"] .library-start {
    padding-inline: 9px;
  }

  body[data-page="library"] .tool-index--grid .tool-link,
  body[data-page="library"] .tool-link {
    min-height: 166px;
    padding: 12px;
  }

  body[data-page="library"] .tool-index--grid .tool-link__title strong,
  body[data-page="library"] .tool-link__title strong {
    font-size: 13px;
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  body[data-page="library"] .library-hero__art,
  body[data-page="library"] .library-hero__copy,
  body[data-page="library"] .tool-link {
    animation: none !important;
  }

  body[data-page="library"] .library-start,
  body[data-page="library"] .library-start > span:last-child,
  body[data-page="library"] .tool-link,
  body[data-page="library"] .tool-link__icon,
  body[data-page="library"] .tool-link__arrow span {
    transition: none !important;
  }
}

@media print {
  body[data-page="library"] {
    background: #fff;
  }

  body[data-page="library"] .library-hero {
    min-height: 0;
    border: 0;
  }

  body[data-page="library"] .library-hero__art,
  body[data-page="library"] .library-hero__actions {
    display: none;
  }

  body[data-page="library"] .library-hero__copy {
    width: 100%;
    padding: 20px 0;
  }

  body[data-page="library"] .tool-index,
  body[data-page="library"] .tool-index--grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border: 0;
  }
}

/* Shared visual language for the remaining calculation tools */
@media screen {
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) {
    color: #243247;
    background: #f6f9fc;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-main {
    padding: 25px 0 68px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .breadcrumb {
    margin-bottom: 18px;
    color: #7a8798;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .breadcrumb a {
    color: #53647a;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro {
    margin-bottom: 24px;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 0.52fr);
    align-items: end;
    gap: 42px;
    animation: friendly-tool-intro-in 520ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .section-label {
    margin-bottom: 5px;
    color: #3478f6;
    font-size: 11px;
    letter-spacing: 0.065em;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro h1 {
    color: #243247;
    font-size: clamp(34px, 3.5vw, 44px);
    font-weight: 740;
    letter-spacing: -0.042em;
    line-height: 1.16;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro__copy {
    margin: 0;
    padding: 13px 15px;
    border: 1px solid #deebfa;
    border-radius: 12px;
    color: #647389;
    background: rgba(239, 246, 255, 0.82);
    font-size: 12px;
    line-height: 1.65;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro__copy strong {
    margin-bottom: 3px;
    color: #315b86;
    font-size: 10px;
    letter-spacing: 0.04em;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .workbench-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(350px, 0.92fr);
    gap: 18px;
  }

  body[data-page="demand"] .workbench-grid--wide-input {
    grid-template-columns: minmax(0, 1.28fr) minmax(330px, 0.72fr);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel {
    overflow: hidden;
    border: 1px solid #e1e9f2;
    border-radius: 16px;
    background: #fff;
    box-shadow: 0 9px 30px rgba(35, 72, 110, 0.065);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel {
    animation: friendly-tool-panel-in 560ms 70ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel {
    top: 82px;
    border-top: 1px solid #e1e9f2;
    animation: friendly-tool-panel-in 560ms 130ms cubic-bezier(0.2, 0.75, 0.2, 1) both;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__header,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel__header {
    min-height: 65px;
    padding: 17px 21px;
    border-color: #e5ecf4;
    background: #fff;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__header h2,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel__header h2 {
    color: #243247;
    font-size: 16px;
    font-weight: 720;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__header p {
    color: #8290a2;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__body,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel__body {
    padding: 22px 21px 23px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field {
    gap: 8px;
    color: #4e6075;
    font-size: 12px;
    font-weight: 650;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field small {
    color: #8190a3;
    font-size: 10px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field > input,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field select,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .unit-control {
    min-height: 50px;
    border-color: #cfd9e5;
    border-radius: 10px;
    background: #fff;
    transition: border-color 170ms ease, box-shadow 170ms ease;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field > input:focus,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .field select:focus,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .unit-control:focus-within {
    border-color: #3478f6;
    box-shadow: 0 0 0 4px rgba(52, 120, 246, 0.13);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .unit-control span {
    border-color: #e0e8f1;
    color: #718096;
    background: #f6f9fc;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segmented {
    padding: 4px;
    gap: 4px;
    border: 1px solid #e1e8f1;
    border-radius: 12px;
    background: #f1f5f9;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segment-option span {
    min-height: 48px;
    border: 0;
    border-radius: 9px;
    color: #647389;
    background: transparent;
    transition: color 170ms ease, background-color 170ms ease, box-shadow 170ms ease;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segment-option input:checked + span {
    color: #2463d4;
    background: #fff;
    box-shadow: 0 2px 9px rgba(35, 72, 110, 0.1);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .button {
    min-height: 48px;
    padding: 11px 18px;
    border-color: #3478f6;
    border-radius: 10px;
    background: #3478f6;
    box-shadow: 0 7px 18px rgba(52, 120, 246, 0.16);
    transition: transform 170ms ease, border-color 170ms ease, background-color 170ms ease, box-shadow 170ms ease;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .button:hover,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .button:focus-visible {
    border-color: #2463d4;
    background: #2463d4;
    box-shadow: 0 10px 22px rgba(52, 120, 246, 0.22);
    transform: translateY(-1px);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .button--quiet,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel .button--quiet {
    border-color: #ccd8e5;
    color: #42566e;
    background: #fff;
    box-shadow: none;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-status {
    padding: 5px 9px;
    border-radius: 999px;
    color: #2463d4;
    background: #eaf3ff;
    font-size: 10px;
    white-space: nowrap;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric-grid,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement-grid {
    gap: 9px;
    border: 0;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement {
    min-height: 112px;
    padding: 15px;
    border: 1px solid #e2ebf5;
    border-radius: 12px;
    background: #f8fbff;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric strong,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement strong {
    color: #2463d4;
    font-weight: 680;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-summary,
  body[data-page="demand"] .demand-conclusion {
    border: 1px solid #dceafa;
    border-left: 1px solid #dceafa;
    border-radius: 12px;
    background: #eef6ff;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-list > div {
    border-color: #e5ecf4;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-caption {
    color: #718096;
    font-size: 11px;
    line-height: 1.65;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .compact-details {
    margin-top: 18px;
    padding: 0 18px;
    border: 1px solid #e1e9f2;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.78);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .compact-details summary {
    min-height: 52px;
    color: #4d6075;
  }

  body[data-page="demand"] .demand-start {
    min-height: 0;
    padding: 15px 2px 5px;
    align-content: start;
    gap: 18px;
  }

  body[data-page="demand"] .demand-start__heading h3 {
    font-size: 22px;
  }

  body[data-page="demand"] .demand-start__choice {
    min-height: 108px;
    border-color: #cfdae7;
    border-radius: 12px;
    background: #f9fbfe;
    transition: border-color 170ms ease, box-shadow 170ms ease, transform 170ms ease;
  }

  body[data-page="demand"] .demand-start__choice:hover,
  body[data-page="demand"] .demand-start__choice:focus-visible {
    border-color: #7eacf7;
    box-shadow: 0 0 0 4px rgba(52, 120, 246, 0.12);
    transform: translateY(-1px);
  }

  body[data-page="demand"] .demand-result-empty {
    min-height: 275px;
    align-content: center;
    justify-items: center;
    text-align: center;
  }

  body[data-page="demand"] .demand-result-empty > span {
    display: none;
  }

  body[data-page="demand"] .demand-result-empty strong {
    margin-top: 0;
    font-size: 17px;
  }

  body[data-page="demand"] .demand-zone-card {
    overflow: hidden;
    border-color: #e1e9f2;
    border-radius: 12px;
  }

  body[data-page="demand"] .demand-zone-card__header {
    border-color: #e5ecf4;
    background: #f8fbff;
  }

  body[data-page="demand"] .equipment-entry {
    border-color: #e0e8f1;
    border-radius: 12px;
    background: #f7faff;
  }

  body[data-page="demand"] .application-reference__trigger {
    border-color: #ccd8e5;
    border-radius: 12px;
  }

  body[data-page="demand"] .application-picker {
    border-color: #dce5ef;
    border-radius: 18px;
    box-shadow: 0 30px 90px rgba(31, 55, 83, 0.22);
  }

  @keyframes friendly-tool-intro-in {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
  }

  @keyframes friendly-tool-panel-in {
    from { opacity: 0; transform: translateY(9px); }
    to { opacity: 1; transform: translateY(0); }
  }
}

@media screen and (max-width: 980px) {
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .workbench-grid,
  body[data-page="demand"] .workbench-grid--wide-input {
    grid-template-columns: 1fr;
  }
}

@media screen and (max-width: 760px) {
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-main {
    padding: 20px 0 48px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .breadcrumb {
    display: none;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro {
    margin-bottom: 18px;
    display: block;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro h1 {
    font-size: clamp(28px, 8vw, 32px);
    line-height: 1.22;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro__copy {
    margin-top: 9px;
    padding: 10px 12px;
    font-size: 11px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .workbench-grid {
    gap: 14px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel {
    border-radius: 14px;
    box-shadow: 0 6px 22px rgba(35, 72, 110, 0.055);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__header,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel__header {
    padding: 15px 17px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel__body,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel__body {
    padding: 17px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segmented--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segment-option span {
    min-height: 46px;
    padding-inline: 7px;
    font-size: 11px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric-grid,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement {
    min-height: 103px;
    padding: 12px;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .metric strong,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .measurement strong {
    overflow-wrap: anywhere;
    font-size: clamp(21px, 7vw, 27px);
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .compact-details {
    padding-inline: 14px;
  }

  body[data-page="demand"] .demand-start {
    padding-top: 5px;
  }

  body[data-page="demand"] .demand-result-empty {
    min-height: 210px;
  }
}

@media screen and (prefers-reduced-motion: reduce) {
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel {
    animation: none !important;
  }

  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .button,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .segment-option span,
  body[data-page="demand"] .demand-start__choice {
    transition: none !important;
  }
}

@media print {
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .tool-intro,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .panel,
  body:is(
    [data-page="demand"],
    [data-page="receiver"],
    [data-page="pipe"],
    [data-page="energy"],
    [data-page="leakage"],
    [data-page="dryer"],
    [data-page="conversion"]
  ) .result-panel {
    animation: none !important;
    box-shadow: none;
  }
}