:root {
  color-scheme: light;
  --bg: #f4f6f5;
  --panel: #ffffff;
  --ink: #17211d;
  --muted: #5b6861;
  --line: #d9e0dc;
  --accent: #0f766e;
  --accent-dark: #115e59;
  --accent-soft: #d9f2ed;
  --good-bg: #dff5e8;
  --good-ink: #14532d;
  --bad-bg: #ffe1df;
  --bad-ink: #8a1f17;
  --warn-bg: #fff3d6;
  --warn-ink: #684600;
  --shadow: 0 22px 60px rgba(19, 35, 30, 0.12);
  --sticky-action-height: calc(var(--site-header-height, 64px) + 12px);
}

* {
  box-sizing: border-box;
}

html {
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  overflow-x: hidden;
}

button,
input {
  font: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  width: min(1440px, calc(100% - 24px));
  margin: 16px auto 12px;
  align-items: start;
}

.input-panel,
.results-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  min-width: 0;
}

.input-panel {
  padding: 16px;
  overflow-x: hidden;
}

.results-panel {
  padding: 18px;
  display: grid;
  gap: 14px;
  position: static;
  max-height: none;
  overflow-y: visible;
}

.title-block {
  margin-bottom: 12px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 12px;
  align-items: start;
}

.reset-button {
  align-self: start;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
  min-height: 34px;
  padding: 0 12px;
}

.reset-button:hover,
.reset-button:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.title-block h1 {
  grid-column: 1;
}

.reset-button {
  grid-column: 2;
}

.mode-switch {
  grid-column: 1;
  display: flex;
  width: fit-content;
  max-width: 100%;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f0;
}

.mode-button {
  min-height: 32px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
  padding: 0 14px;
}

.mode-help-button,
.inline-help-button {
  width: 22px;
  min-width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: #fbfcfb;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
  padding: 0;
}

.mode-help-button {
  grid-column: 2;
  justify-self: end;
  align-self: center;
}

.mode-button.is-active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(19, 35, 30, 0.12);
}

.mode-button:focus,
.mode-help-button:focus,
.inline-help-button:hover,
.inline-help-button:focus {
  border-color: var(--accent);
  background: var(--panel);
  color: var(--ink);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.mode-help-button:hover {
  border-color: var(--accent);
  background: var(--panel);
  color: var(--ink);
}

.help-anchor {
  position: relative;
}

.area-help-button {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
}

.app-shell.is-simple .detailed-only {
  display: none !important;
}

.app-shell.is-detailed .simple-only {
  display: none !important;
}

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

h1 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 1.8vw, 1.8rem);
  line-height: 1.08;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: 1rem;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.inputs-panel-toggle-row {
  display: flex;
  justify-content: flex-end;
  margin: -4px 0 12px;
}

.inputs-minimise-button {
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: #fbfcfb;
  color: var(--accent-dark);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
}

.inputs-minimise-button:hover,
.inputs-minimise-button:focus-visible {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.input-panel.is-inputs-minimised > .form-grid,
.input-panel.is-inputs-minimised > .validation-summary {
  display: none !important;
}

.input-panel.is-inputs-minimised .inputs-panel-toggle-row {
  margin-bottom: 0;
}

@media (min-width: 1101px) {
  .form-grid {
    --masonry-visible-gap: 0px;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-auto-rows: 1px;
    column-gap: 12px;
    row-gap: 1px;
    align-items: start;
  }

  .form-grid > * {
    grid-column: var(--masonry-column, auto);
    grid-row-start: var(--masonry-row-start, auto);
    grid-row-end: span var(--masonry-row-span, 1);
  }

  .form-grid > :not(.input-section) {
    grid-column: 1 / -1;
  }

  .form-grid > .is-overview-section {
    grid-column: 1 / -1;
  }

  .form-grid > .person1-input-section,
  .form-grid > .person2-input-section {
    width: 100%;
  }

  .form-grid > .person1-input-section {
    grid-column: 1;
  }

  .form-grid > .person2-input-section {
    grid-column: 2;
    position: relative;
  }

  .form-grid > .person2-input-section:not([hidden])::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -7px;
    width: 1px;
    background: var(--line);
  }
}

.input-section {
  min-width: 0;
  border-bottom: 1px solid var(--line);
}

.input-section > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 4px 0 12px;
  color: var(--ink);
  font-size: 1rem;
  font-weight: 800;
  list-style: none;
}

.input-section > summary::-webkit-details-marker {
  display: none;
}

.input-section > summary::after {
  content: "";
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  margin-right: 4px;
  border-right: 2px solid var(--accent-dark);
  border-bottom: 2px solid var(--accent-dark);
  transform: rotate(45deg) translate(-2px, -2px);
  transition: transform 160ms ease;
}

.input-section[open] > summary::after {
  transform: rotate(225deg) translate(-2px, -2px);
}

.input-section > summary:hover {
  color: var(--accent-dark);
}

.input-section > summary:focus-visible {
  border-radius: 6px;
  outline: 3px solid rgba(15, 118, 110, 0.18);
  outline-offset: 3px;
}

.input-section-content {
  display: grid;
  gap: 12px;
  padding-bottom: 12px;
}

fieldset {
  border: 0;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 8px 10px;
}

.form-grid > fieldset,
.input-section-content > fieldset {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.input-section-content > fieldset:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

legend {
  grid-column: 1 / -1;
  padding: 0 0 4px;
  font-weight: 800;
}

label {
  display: grid;
  gap: 4px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
  min-width: 0;
}

.form-grid > fieldset > label:not(.toggle-row),
.input-section-content > fieldset > label:not(.toggle-row),
.assumptions > label:not(.toggle-row) {
  grid-template-rows: minmax(min-content, 1fr) auto;
  align-self: stretch;
}

.form-grid > fieldset > label:not(.toggle-row) > span:first-child,
.input-section-content > fieldset > label:not(.toggle-row) > span:first-child,
.assumptions > label:not(.toggle-row) > span:first-child {
  line-height: 1.25;
}

input {
  width: 100%;
  min-width: 0;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: #fbfcfb;
  color: var(--ink);
}

input:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
  border-color: var(--accent);
}

.money-input,
.suffix-input {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  overflow: hidden;
  min-width: 0;
}

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

.suffix-input.is-prefix {
  grid-template-columns: auto minmax(0, 1fr);
}

.suffix-input.is-prefix span {
  order: -1;
}

.money-input span,
.suffix-input span {
  padding: 0 11px;
  color: var(--muted);
  font-weight: 800;
}

.money-input input,
.suffix-input input {
  border: 0;
  height: 34px;
  border-radius: 0;
  background: transparent;
}

.segmented {
  display: grid;
  grid-template-columns: repeat(3, minmax(76px, 1fr));
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f0;
  align-self: end;
  min-width: 0;
}

.segmented label {
  display: block;
  cursor: pointer;
}

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

.segmented span {
  display: grid;
  min-height: 30px;
  place-items: center;
  border-radius: 6px;
  color: var(--muted);
  font-size: 0.76rem;
  text-align: center;
  line-height: 1.1;
  padding: 0 4px;
}

.segmented input:checked + span {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(19, 35, 30, 0.12);
}

.toggle-row {
  grid-column: 1 / -1;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: var(--ink);
  cursor: pointer;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.toggle-row span {
  font-size: 0.82rem;
  line-height: 1.25;
}

.person2-section[hidden] {
  display: none !important;
}

.contribution-help-fieldset {
  padding-right: 0;
}

.fieldset-heading {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.fieldset-heading legend {
  grid-column: auto;
  padding: 0;
  min-width: 0;
}

.fieldset-help-button {
  flex: 0 0 auto;
}

details {
  padding-top: 10px;
}

summary {
  cursor: pointer;
  color: var(--accent-dark);
  font-weight: 800;
}

.assumptions-dialog {
  width: min(560px, calc(100% - 32px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
  color: var(--ink);
  box-shadow: var(--shadow);
}

.assumptions-dialog::backdrop {
  background: rgba(23, 33, 29, 0.42);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
}

.icon-button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #fbfcfb;
  color: var(--ink);
  cursor: pointer;
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1;
}

.icon-button:hover,
.icon-button:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.help-dialog-body {
  margin: 0;
  padding: 18px;
  color: var(--muted);
  line-height: 1.55;
  white-space: pre-line;
}

.reset-dialog-body {
  margin: 0;
  padding: 18px;
  color: var(--muted);
  line-height: 1.5;
}

.dialog-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  padding: 0 18px 18px;
}

.dialog-button {
  min-height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 14px;
  background: #fbfcfb;
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
}

.dialog-button:hover,
.dialog-button:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.14);
}

.dialog-button.is-danger {
  border-color: #d78f89;
  background: var(--bad-bg);
  color: var(--bad-ink);
}

.assumption-summary {
  display: grid;
  gap: 8px;
  padding: 16px 18px 4px;
}

.assumption-summary p {
  margin: 0;
  color: var(--ink);
  font-size: 0.98rem;
  line-height: 1.35;
}

.simple-assumptions {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 14px 24px 18px 38px;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.35;
}

.simple-assumptions strong {
  font-weight: 850;
}

.assumptions {
  margin-top: 0;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
}

.assumptions legend {
  grid-column: 1 / -1;
}

.assumption-spacer {
  min-height: 1px;
}

.warning {
  padding: 12px 14px;
  border-radius: 8px;
  background: var(--warn-bg);
  color: var(--warn-ink);
  font-weight: 750;
}

.hero-result {
  padding: 24px;
  border-radius: 8px;
  background: var(--accent-soft);
  border: 1px solid #b8e2db;
}

.hero-result p,
.hero-result span {
  color: var(--accent-dark);
}

.hero-result p {
  margin-bottom: 4px;
  font-weight: 800;
}

.hero-result strong {
  display: block;
  margin-bottom: 6px;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-result span {
  display: block;
  max-width: 58ch;
  font-size: 0.95rem;
}

.savings-status {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 140px), 1fr));
  gap: 12px;
  padding: 16px;
  padding-right: 54px;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.savings-status.is-good {
  background: var(--good-bg);
  border-color: #a8dfbd;
  color: var(--good-ink);
}

.savings-status.is-bad {
  background: var(--bad-bg);
  border-color: #f3b4af;
  color: var(--bad-ink);
}

.savings-status p,
.savings-status span {
  margin: 0 0 5px;
  display: block;
  font-size: 0.84rem;
  font-weight: 800;
}

.savings-status strong {
  display: block;
  font-size: 1.25rem;
  line-height: 1.15;
}

.app-shell.is-simple .savings-status {
  grid-template-columns: repeat(3, minmax(140px, 1fr));
  padding: 20px;
  padding-right: 58px;
}

.app-shell.is-simple .savings-status strong {
  font-size: 1.45rem;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
  gap: 12px;
}

.app-shell.is-simple .metrics-grid {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

.app-shell.is-simple .metric-card-projected-total {
  order: 1;
}

.app-shell.is-simple .metric-card-bridge-gap {
  order: 2;
}

.metrics-grid article {
  min-height: 108px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  align-content: space-between;
  gap: 12px;
}

.metrics-grid article.help-anchor-card {
  padding-right: 52px;
}

.metrics-grid span,
.income-band span,
.section-heading p {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.metrics-grid strong {
  font-size: 1.18rem;
  line-height: 1.15;
  overflow-wrap: anywhere;
}

.income-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 18px 0;
  padding-right: 56px;
}

.income-band.is-good {
  border-color: #a8dfbd;
}

.income-band.is-bad {
  border-color: #f3b4af;
}

.income-alert {
  width: fit-content;
  margin-bottom: 0;
  padding: 7px 10px;
  border-radius: 6px;
  font-size: 0.88rem;
  font-weight: 800;
}

.income-option-switch {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f0;
  width: 100%;
  max-width: 100%;
}

.income-option-button {
  flex: 1 1 0;
  min-width: 0;
  min-height: 32px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 800;
  padding: 0 12px;
}

.income-option-button.is-active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(19, 35, 30, 0.12);
}

.income-option-button:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
}

.income-option-button {
  white-space: nowrap;
}

.income-band.is-good .income-alert {
  background: var(--good-bg);
  color: var(--good-ink);
}

.income-band.is-bad .income-alert {
  background: var(--bad-bg);
  color: var(--bad-ink);
}

.income-band,
.income-band > div {
  display: grid;
  gap: 14px;
}

.income-band > div {
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
}

.income-band p {
  margin-bottom: 0;
  display: grid;
  gap: 3px;
}

.income-band strong {
  font-size: 1.6rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin-bottom: 12px;
}

.section-heading p {
  margin-bottom: 0;
  text-align: right;
}

.tabbed-section {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #eef3f0;
  width: fit-content;
  max-width: 100%;
}

.tab-button {
  flex: 0 1 auto;
  min-height: 34px;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.84rem;
  font-weight: 800;
  padding: 0 12px;
}

.tab-button.is-active {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 1px 4px rgba(19, 35, 30, 0.12);
}

.tab-button:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
}

.tab-panel {
  min-width: 0;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  max-width: 100%;
  min-width: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 520px;
}

.breakdown-table table {
  min-width: 1780px;
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

th {
  background: #eef3f0;
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

tr:last-child td {
  border-bottom: 0;
}

td:nth-child(3),
td:nth-child(4) {
  font-weight: 800;
}

.site-footer {
  width: min(1440px, calc(100% - 24px));
  margin: 0 auto 24px;
  padding: 8px 0;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  color: var(--accent-dark);
  font-weight: 800;
  text-underline-offset: 3px;
}

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

.site-footer a:focus-visible {
  border-radius: 3px;
  outline: 3px solid rgba(15, 118, 110, 0.18);
  outline-offset: 3px;
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: 1fr;
    width: min(960px, calc(100% - 24px));
  }

  .input-panel {
    position: static;
    max-height: none;
    overflow-y: visible;
  }

  .results-panel {
    min-width: 0;
    position: static;
    max-height: none;
    overflow-y: visible;
  }

  .savings-status {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
}

@media (max-width: 580px) {
  .app-shell {
    width: min(100% - 20px, 1180px);
    margin: 10px auto;
  }

  .site-footer {
    width: min(100% - 20px, 1180px);
  }

  .input-panel,
  .results-panel {
    padding: 14px;
    box-shadow: 0 14px 36px rgba(19, 35, 30, 0.1);
  }

  .title-block {
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: center;
  }

  .title-block h1 {
    grid-column: 1 / -1;
  }

  .reset-button {
    grid-column: 3;
    grid-row: 2;
  }

  .mode-switch {
    grid-column: 1;
    grid-row: 2;
  }

  .mode-help-button {
    grid-column: 2;
    grid-row: 2;
  }

  .mode-button,
  .income-option-button,
  .tab-button {
    padding-inline: 10px;
  }

  .form-grid {
    gap: 14px;
  }

  .assumptions,
  .form-grid > fieldset,
  .input-section-content > fieldset,
  .metrics-grid,
  .income-band > div {
    grid-template-columns: 1fr;
  }

  .app-shell.is-simple .metrics-grid,
  .app-shell.is-simple .savings-status {
    grid-template-columns: 1fr;
  }

  .segmented {
    grid-template-columns: repeat(auto-fit, minmax(86px, 1fr));
  }

  .savings-status,
  .app-shell.is-simple .savings-status {
    padding: 14px;
    padding-right: 46px;
  }

  .app-shell.is-simple .savings-status strong {
    font-size: 1.3rem;
  }

  .hero-result {
    padding: 18px;
  }

  .hero-result strong {
    font-size: 2.4rem;
  }

  .income-band {
    padding-right: 44px;
  }

  .income-band .area-help-button {
    top: 0;
    right: 0;
  }

  .income-band h2,
  .income-band .income-option-switch,
  .income-band .income-alert,
  .income-band > div {
    margin-right: 42px;
  }

  .income-option-switch,
  .tab-list {
    width: 100%;
  }

  .tab-button {
    flex: 1 1 150px;
  }

  th,
  td {
    padding: 10px 12px;
  }

  .assumption-spacer {
    display: none;
  }

  .section-heading {
    display: grid;
    align-items: start;
  }

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

@media (max-width: 480px) {
  .app-shell {
    width: 100%;
    margin: 0;
    gap: 0;
  }

  .site-footer {
    width: 100%;
    margin-bottom: 0;
    padding: 20px 12px 24px;
  }

  .input-panel,
  .results-panel {
    padding: 12px;
    border-left: 0;
    border-right: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .title-block {
    grid-template-columns: 1fr auto;
  }

  .mode-switch {
    grid-column: 1 / -1;
    width: 100%;
  }

  .mode-button {
    flex: 1 1 0;
  }

  .mode-help-button {
    grid-column: 1;
    grid-row: 3;
    justify-self: start;
  }

  .reset-button {
    grid-column: 2;
    grid-row: 3;
  }

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

  .income-option-switch,
  .tab-list {
    width: 100%;
  }

  .income-option-switch {
    flex-direction: column;
  }

  .tab-button {
    flex: 1 1 100%;
  }

  .savings-status,
  .app-shell.is-simple .savings-status,
  .metrics-grid article.help-anchor-card {
    padding-right: 16px;
  }

  .area-help-button {
    position: static;
    justify-self: start;
  }

  .income-band {
    padding-right: 0;
  }

  .income-band h2,
  .income-band .income-option-switch,
  .income-band .income-alert,
  .income-band > div {
    margin-right: 0;
  }

  .assumptions-dialog {
    width: calc(100% - 20px);
  }

  table {
    min-width: 480px;
  }
}

/* Audit improvements: shared supporting copy, validation, and touch ergonomics. */
.calculator-intro {
  grid-column: 1 / -1;
  max-width: 72ch;
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.saved-browser-note {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 700;
}

select {
  width: 100%;
  min-width: 0;
  height: 36px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  background: #fbfcfb;
  color: var(--ink);
  font: inherit;
}

select:focus-visible,
input:focus-visible,
button:focus-visible {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.24);
  outline-offset: 2px;
}

[aria-invalid="true"] {
  border-color: var(--bad-ink) !important;
}

@media (min-width: 1500px) {
  .retirement-calculator .input-panel {
    width: min(100%, 1120px);
    margin-inline: auto;
  }
}

@media (max-width: 580px) {
  label,
  .toggle-row span,
  .help-dialog-body,
  .reset-dialog-body,
  .simple-assumptions,
  .calculator-intro,
  .saved-browser-note,
  .metrics-grid span,
  .income-band span,
  .section-heading p {
    font-size: 14px;
  }

  input,
  select,
  .money-input input,
  .suffix-input input {
    min-height: 44px;
    font-size: 16px;
  }

  .money-input,
  .suffix-input {
    height: 46px;
  }

  .reset-button,
  .mode-button,
  .inputs-minimise-button,
  .income-option-button,
  .tab-button,
  .dialog-button,
  .icon-button,
  .add-contribution-button,
  .remove-contribution-button,
  .input-section > summary {
    min-height: 44px;
  }

  .mode-help-button,
  .inline-help-button {
    width: 44px;
    min-width: 44px;
    height: 44px;
  }

  .segmented span,
  .toggle-row {
    min-height: 44px;
  }

  .toggle-row input {
    min-width: 22px;
    width: 22px;
    height: 22px;
  }
}

/* Retirement second-pass workspace and mobile information architecture. */
.person-subsection {
  min-width: 0;
  padding: 0;
}

.person-subsection > summary {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
}

.person-subsection-summary {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-align: right;
}

.person-subsection-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.person-subsection-actions .fieldset-help-button {
  flex: 0 0 auto;
}

.person-jump-nav,
.mobile-results-action,
.back-to-inputs {
  display: none;
}

.retirement-detail-tables {
  min-width: 0;
}

.retirement-field-error {
  color: var(--bad-ink);
  font-size: 0.82rem;
  font-weight: 700;
  line-height: 1.35;
}

@media (min-width: 1500px) {
  .retirement-calculator .app-shell {
    grid-template-columns: minmax(680px, 1fr) minmax(360px, 400px);
    max-width: 1320px;
    column-gap: 18px;
  }

  .retirement-calculator .input-panel {
    width: 100%;
    margin: 0;
  }

  .retirement-calculator .results-panel {
    position: sticky;
    top: var(--sticky-action-height);
    align-self: start;
    max-height: calc(100vh - var(--sticky-action-height) - 18px);
    overflow-y: auto;
    overflow-x: hidden;
  }

  .retirement-calculator .results-panel > *,
  .retirement-calculator .results-panel .savings-status > *,
  .retirement-calculator .results-panel .metrics-grid > *,
  .retirement-calculator .results-panel .income-band > * {
    min-width: 0;
  }

  .retirement-calculator .results-panel .savings-status,
  .retirement-calculator .app-shell.is-simple .results-panel .savings-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .retirement-calculator .results-panel .savings-status > div:first-of-type {
    grid-column: 1 / -1;
  }

  .retirement-calculator .results-panel .metrics-grid,
  .retirement-calculator .app-shell.is-simple .results-panel .metrics-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .retirement-calculator .results-panel .income-option-switch {
    flex-direction: column;
  }

  .retirement-calculator .results-panel .income-option-button {
    min-height: 40px;
    white-space: normal;
  }

  .retirement-calculator .results-panel .income-band > div {
    grid-template-columns: minmax(0, 1fr);
  }

  .retirement-calculator .results-panel .income-band strong,
  .retirement-calculator .results-panel .metrics-grid strong {
    overflow-wrap: anywhere;
  }

  .retirement-calculator .results-panel > .hero-result,
  .retirement-calculator .results-panel .metrics-grid > article:not(.metric-card-bridge-gap):not(.metric-card-projected-total),
  .retirement-calculator .results-panel .savings-status .detailed-only {
    display: none !important;
  }

  .retirement-calculator .retirement-detail-tables {
    grid-column: 1 / -1;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--panel);
    box-shadow: var(--shadow);
  }

  .retirement-calculator:not(:has(.has-second-person)) .form-grid > .person1-input-section,
  .retirement-calculator .app-shell:not(.has-second-person) .form-grid > .person1-input-section {
    grid-column: 1 / -1;
    width: min(100%, 740px);
    justify-self: center;
  }

  .retirement-calculator .app-shell.has-second-person {
    grid-template-columns: minmax(0, 1fr);
    max-width: 1440px;
  }

  .retirement-calculator .app-shell.has-second-person .input-panel {
    grid-column: 1;
  }

  .retirement-calculator .app-shell.has-second-person .results-panel {
    grid-column: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr) minmax(300px, 1fr);
    max-height: none;
    overflow: visible;
    position: static;
    top: auto;
  }

  .retirement-calculator .app-shell.has-second-person .results-panel > .warning,
  .retirement-calculator .app-shell.has-second-person .results-panel > .back-to-inputs {
    grid-column: 1 / -1;
  }

  .retirement-calculator .app-shell.has-second-person .retirement-detail-tables {
    grid-column: 1;
  }
}

@media (max-width: 580px) {
  .retirement-calculator .person-jump-nav {
    display: none;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 4px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #eef3f0;
  }

  .retirement-calculator .app-shell.has-second-person .person-jump-nav {
    display: grid;
  }

  .person-jump-nav a {
    display: grid;
    min-height: 44px;
    place-items: center;
    border-radius: 6px;
    color: var(--accent-dark);
    font-weight: 800;
    text-decoration: none;
  }

  .mobile-results-action {
    position: sticky;
    z-index: 4;
    top: calc(var(--site-header-height, 64px) + 6px);
    display: flex;
    min-height: 48px;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    margin-bottom: 12px;
    padding: 8px 12px;
    border: 1px solid #b8e2db;
    border-radius: 8px;
    background: var(--accent-soft);
    color: var(--accent-dark);
    font-weight: 850;
    text-decoration: none;
    box-shadow: 0 6px 18px rgba(19, 35, 30, 0.12);
  }

  .mobile-results-status {
    font-size: 14px;
    font-weight: 700;
    text-align: right;
  }

  .back-to-inputs {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-self: start;
    color: var(--accent-dark);
    font-weight: 800;
  }

  .person-subsection > summary {
    min-height: 48px;
  }

  .person-subsection > fieldset {
    padding-top: 10px;
  }

  .contribution-field-label,
  .contribution-value-label,
  .contribution-row .segmented span,
  .contribution-row .contribution-growth,
  .contribution-row > label > span:first-child,
  .person-subsection-summary,
  .retirement-field-error {
    font-size: 14px;
  }
}

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

/* Results-first retirement dashboard. */
.retirement-calculator .results-panel > .hero-result {
  display: none !important;
}

.panel-focus-button {
  display: none;
}

@media (min-width: 1101px) and (max-width: 1279px) {
  .retirement-calculator .form-grid {
    display: block;
  }

  .retirement-calculator .form-grid > * {
    width: 100% !important;
    margin-bottom: 12px;
  }

  .retirement-calculator .form-grid > .person2-input-section:not([hidden])::before {
    display: none;
  }
}

@media (min-width: 1280px) {
  .retirement-calculator .app-shell,
  .retirement-calculator .app-shell.has-second-person {
    grid-template-columns: minmax(380px, 430px) minmax(0, 1fr);
    width: min(1480px, calc(100% - 32px));
    max-width: 1480px;
    gap: 20px;
  }

  .retirement-calculator .app-shell.is-input-focus {
    grid-template-columns: minmax(0, 1fr) minmax(380px, 430px);
  }

  .panel-focus-button {
    display: grid;
    width: 34px;
    min-width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fbfcfb;
    color: var(--accent-dark);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 800;
    line-height: 1;
  }

  .panel-focus-button::before {
    content: "";
    width: 18px;
    height: 18px;
    background: url("panel-expand.svg") center / contain no-repeat;
  }

  .panel-focus-button.is-minimise-action::before {
    background-image: url("panel-minimise.svg");
  }

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

  .input-panel-focus-button {
    position: absolute;
    top: 0;
    right: 68px;
  }

  .retirement-calculator .input-panel,
  .retirement-calculator .app-shell.has-second-person .input-panel {
    grid-column: 1;
    width: 100%;
    max-height: calc(100vh - var(--sticky-action-height) - 18px);
    margin: 0;
    padding-top: 0;
    overflow-x: hidden;
    overflow-y: auto;
    position: sticky;
    top: var(--sticky-action-height);
    scrollbar-color: #aab8b1 transparent;
    scrollbar-width: thin;
  }

  .retirement-input-toolbar {
    position: sticky;
    z-index: 5;
    top: 0;
    margin: 0 -16px 12px;
    padding: 16px 16px 4px;
    border-bottom: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(5px);
  }

  .retirement-input-toolbar .title-block {
    position: relative;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .retirement-input-toolbar .calculator-intro {
    max-width: none;
  }

  .retirement-input-toolbar .inputs-panel-toggle-row {
    margin: 0 0 8px;
  }

  .retirement-input-toolbar .saved-browser-note {
    margin-bottom: 8px;
  }

  .retirement-calculator .app-shell.is-input-focus .retirement-input-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    column-gap: 20px;
    align-items: center;
  }

  .retirement-calculator .app-shell.is-input-focus .retirement-input-toolbar .title-block {
    grid-column: 1 / -1;
  }

  .retirement-calculator .app-shell.is-input-focus .retirement-input-toolbar .saved-browser-note {
    grid-column: 1;
    grid-row: 2;
    margin: 0;
  }

  .retirement-calculator .app-shell.is-input-focus .retirement-input-toolbar .inputs-panel-toggle-row {
    grid-column: 2;
    grid-row: 2;
    margin: 0;
  }

  .retirement-calculator .form-grid {
    display: block;
  }

  .retirement-calculator .form-grid > * {
    width: 100% !important;
    margin-bottom: 12px;
  }

  .retirement-calculator .form-grid > .person1-input-section,
  .retirement-calculator .form-grid > .person2-input-section {
    width: 100%;
  }

  .retirement-calculator .form-grid > .person2-input-section:not([hidden])::before {
    display: none;
  }

  .retirement-calculator .form-grid fieldset,
  .retirement-calculator .assumptions,
  .retirement-calculator .assumption-group {
    grid-template-columns: minmax(0, 1fr);
  }

  .retirement-calculator .person-subsection > summary {
    min-height: 46px;
  }

  .retirement-calculator .results-panel,
  .retirement-calculator .app-shell.has-second-person .results-panel {
    grid-column: 2;
    position: relative;
    top: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-self: start;
    max-height: none;
    min-width: 0;
    overflow: visible;
    padding: 22px;
    gap: 16px;
  }

  .retirement-calculator .results-panel > *,
  .retirement-calculator .results-panel .metrics-grid > *,
  .retirement-calculator .results-panel .savings-status > * {
    min-width: 0;
  }

  .retirement-calculator .results-panel .savings-status,
  .retirement-calculator .app-shell.is-simple .results-panel .savings-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding: 22px;
    padding-right: 58px;
  }

  .retirement-calculator .results-panel .savings-status > div:first-of-type {
    grid-column: 1 / -1;
  }

  .retirement-calculator .results-panel .savings-status strong {
    font-size: clamp(1.35rem, 2vw, 1.8rem);
  }

  .retirement-calculator .results-panel .metrics-grid,
  .retirement-calculator .app-shell.is-simple .results-panel .metrics-grid {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
  }

  .retirement-calculator .app-shell.is-detailed .results-panel .metrics-grid > article.detailed-only {
    display: grid !important;
  }

  .retirement-calculator .results-panel .metrics-grid article {
    min-height: 126px;
    padding: 18px;
  }

  .retirement-calculator .results-panel .metrics-grid strong {
    font-size: clamp(1.35rem, 2.2vw, 1.8rem);
  }

  .retirement-calculator .results-panel .income-option-switch {
    flex-direction: row;
  }

  .retirement-calculator .results-panel .income-option-button {
    min-height: 44px;
    white-space: normal;
  }

  .retirement-calculator .results-panel .income-band > div {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .retirement-calculator .results-panel .income-band strong {
    font-size: clamp(1.6rem, 2.2vw, 2rem);
    line-height: 1.1;
  }

  .retirement-calculator .retirement-detail-tables {
    grid-column: 1;
    padding: 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fbfcfb;
    box-shadow: none;
  }
}