@font-face {
  font-family: "Space Grotesk";
  src: url("/fonts/space-grotesk-latin.woff2") format("woff2");
  font-weight: 300 700;
  font-display: swap;
}

:root {
  color-scheme: dark light;
  --bg: #171b1a;
  --surface: #1d2422;
  --surface-raised: #232c29;
  --control: #293330;
  --border: #68756f;
  --border-soft: #394640;
  --ink: #f2f0e9;
  --ink-muted: #bcc5bf;
  --accent: #8bd8ce;
  --on-accent: #102421;
  --bed-a: #e5b572;
  --bed-b: #70d0c4;
  --good: #8bd7af;
  --warning: #f0ca7e;
  --danger: #ffa5a5;
  --display: "Space Grotesk", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --body: system-ui, -apple-system, "Segoe UI", sans-serif;
  --radius-sm: 7px;
  --radius: 12px;
  --measure: min(1180px, 100%);
  --rule: 1px solid var(--border-soft);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f3f0e9;
    --surface: #fbfaf6;
    --surface-raised: #ffffff;
    --control: #ffffff;
    --border: #747f79;
    --border-soft: #d0d6d2;
    --ink: #202725;
    --ink-muted: #56635e;
    --accent: #116a62;
    --on-accent: #ffffff;
    --bed-a: #965c19;
    --bed-b: #0e746b;
    --good: #176b46;
    --warning: #855d0a;
    --danger: #a32731;
  }
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
  scroll-padding-top: 1rem;
}

body {
  margin: 0;
  min-height: 100svh;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

button,
select,
summary,
input[type="checkbox"],
input[type="radio"],
input[type="range"] {
  cursor: pointer;
}

button,
input,
select {
  accent-color: var(--accent);
}

button:disabled,
input:disabled,
select:disabled {
  cursor: not-allowed;
  opacity: 0.58;
}

img,
svg,
canvas {
  display: block;
  max-width: 100%;
}

[hidden] {
  display: none !important;
}

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

.skip-link {
  position: fixed;
  top: 0;
  left: max(0.75rem, env(safe-area-inset-left));
  z-index: 100;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 750;
  transform: translateY(calc(-100% - 1rem));
}

.skip-link--secondary {
  left: max(13rem, calc(0.75rem + env(safe-area-inset-left)));
}

.skip-link:focus {
  top: max(0.75rem, env(safe-area-inset-top));
  transform: none;
}

:where(a, button, summary, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

.site-header {
  display: flex;
  width: var(--measure);
  min-height: 60px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 auto;
  padding:
    max(0.65rem, env(safe-area-inset-top))
    max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-right))
    0.65rem
    max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-left));
}

.brand {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  gap: 0.55rem;
  color: var(--ink);
  font-family: var(--display);
  font-size: 1.08rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  text-decoration: none;
}

.brand b {
  color: var(--accent);
  font-weight: 700;
}

.brand-mark {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.trust {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.045em;
  text-transform: uppercase;
}

.trust > span {
  width: 7px;
  height: 7px;
  border: 1px solid currentColor;
  border-radius: 50%;
  background: var(--good);
}

main {
  width: var(--measure);
  margin: 0 auto;
  padding:
    0 max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-right))
    4.5rem max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-left));
}

.studio {
  border: 1px solid var(--border);
  border-top: 4px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
}

.studio__intro {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2.5rem;
  padding: clamp(1rem, 2.8vw, 1.7rem);
  border-bottom: var(--rule);
}

.eyebrow {
  margin: 0 0 0.32rem;
  color: var(--accent);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.studio__intro h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.055em;
}

.tagline {
  max-width: 39rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: clamp(0.82rem, 1.6vw, 0.95rem);
  text-align: right;
}

.tool {
  min-width: 0;
}

.no-script-note {
  margin: 1rem clamp(1rem, 2.8vw, 1.7rem) 0;
  padding: 0.75rem 0.85rem;
  border-left: 3px solid var(--warning);
  background: var(--surface-raised);
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.task-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  width: min(28rem, calc(100% - 2rem));
  margin: 1rem clamp(1rem, 2.8vw, 1.7rem) 0;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--control);
}

.task-tab {
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--display);
  font-size: 0.88rem;
  font-weight: 650;
}

.task-tab[aria-selected="true"] {
  background: var(--accent);
  color: var(--on-accent);
}

.task-panel {
  padding: clamp(1rem, 2.8vw, 1.7rem);
}

.task-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.78fr) minmax(400px, 1.45fr);
  align-items: start;
  gap: clamp(1.35rem, 3.5vw, 3rem);
}

.control-column,
.result-column {
  min-width: 0;
}

.control-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.control-column > h2 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.25rem;
  letter-spacing: -0.025em;
}

.section-intro {
  margin: -0.55rem 0 0;
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.field {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.32rem;
}

.field__label,
.bed-pair > legend,
.choice-field > legend,
.room-dimensions > legend {
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.015em;
}

.field__hint {
  color: var(--ink-muted);
  font-size: 0.7rem;
}

.field select,
.field input[type="number"],
.copy-fallback textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.65rem 0.72rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
}

.field select:hover,
.field input[type="number"]:hover,
.copy-fallback textarea:hover {
  border-color: var(--accent);
}

.field input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 1px var(--danger);
}

.field-error {
  color: var(--danger);
  font-size: 0.72rem;
  font-weight: 650;
}

.bed-pair,
.choice-field,
.room-dimensions {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.bed-pair > legend,
.room-dimensions > legend {
  margin-bottom: 0.42rem;
}

.bed-pair__fields {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: end;
  gap: 0.5rem;
}

.bed-key {
  display: inline-grid;
  width: 1.35rem;
  height: 1.35rem;
  place-items: center;
  margin-right: 0.15rem;
  border: 1px solid currentColor;
  border-radius: 50%;
  font-family: var(--display);
  font-size: 0.65rem;
}

.bed-key--a {
  color: var(--bed-a);
}

.bed-key--b {
  color: var(--bed-b);
}

.swap-button {
  display: inline-flex;
  min-width: 48px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
}

.swap-button span:last-child {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

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

.view-options {
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.view-options > summary {
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.82rem;
  font-weight: 650;
  list-style: none;
}

.view-options > summary::-webkit-details-marker,
.faq summary::-webkit-details-marker {
  display: none;
}

.view-options > summary::after,
.faq summary::after {
  content: "+";
  color: var(--accent);
  font-family: var(--display);
  font-size: 1.3rem;
  font-weight: 500;
  line-height: 1;
}

.view-options[open] > summary::after,
.faq details[open] summary::after {
  content: "−";
}

.view-options__body {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  padding: 0.2rem 0 1rem;
}

.choice-field > legend {
  margin-bottom: 0.35rem;
}

.native-segment {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
}

.native-segment label {
  position: relative;
  min-width: 0;
}

.native-segment input {
  position: absolute;
  opacity: 0;
}

.native-segment span {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  padding: 0.4rem;
  border: 1px solid transparent;
  border-radius: 5px;
  color: var(--ink-muted);
  font-size: 0.76rem;
  font-weight: 650;
  text-align: center;
}

.native-segment input:checked + span {
  border-color: var(--accent);
  background: var(--surface-raised);
  color: var(--ink);
}

.native-segment input:focus-visible + span {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

.figure-controls {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.check-control {
  display: flex;
  min-height: 44px;
  align-items: center;
  gap: 0.6rem;
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 650;
}

.check-control input {
  width: 1.2rem;
  height: 1.2rem;
}

.range-field {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.range-field > span {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 0.76rem;
  font-weight: 650;
}

.range-field output {
  color: var(--ink-muted);
  font-variant-numeric: tabular-nums;
  font-weight: 500;
}

.range-field input {
  width: 100%;
  min-height: 32px;
}

.result-column {
  padding-left: clamp(1rem, 2.8vw, 2rem);
  border-left: var(--rule);
}

.result-heading {
  min-height: 7.2rem;
  padding-bottom: 0.9rem;
}

.result-heading h2 {
  max-width: 20ch;
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.7rem, 4vw, 3.1rem);
  font-weight: 700;
  line-height: 1.04;
  letter-spacing: -0.055em;
}

.result-sub {
  max-width: 58ch;
  margin: 0.55rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.canvas-frame {
  position: relative;
  min-height: 280px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background-color: var(--surface-raised);
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 24px 24px;
}

.canvas-frame canvas {
  position: relative;
  z-index: 2;
  width: 100%;
  height: clamp(280px, 38vw, 430px);
  touch-action: pan-y pinch-zoom;
}

.canvas-frame--fit {
  background-image:
    linear-gradient(var(--border-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 18px 18px;
}

.visual-summary {
  margin: 0.65rem 0 0;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.bed-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem 1.2rem;
  margin-top: 0.55rem;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.bed-legend span {
  display: inline-flex;
  align-items: center;
  gap: 0.42rem;
}

.legend-line {
  width: 1.8rem;
  border-top: 3px solid;
}

.legend-line--a {
  border-color: var(--bed-a);
}

.legend-line--b {
  border-color: var(--bed-b);
  border-top-style: dashed;
}

.measure-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1rem 0 0;
  border-top: var(--rule);
  border-left: var(--rule);
}

.measure-grid > div {
  min-width: 0;
  padding: 0.72rem;
  border-right: var(--rule);
  border-bottom: var(--rule);
}

.measure-grid dt {
  margin-bottom: 0.25rem;
  color: var(--ink-muted);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.measure-grid dd {
  margin: 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.83rem;
  font-variant-numeric: tabular-nums;
  font-weight: 650;
}

.measure-grid dd + dd {
  margin-top: 0.1rem;
  color: var(--ink-muted);
  font-family: var(--body);
  font-size: 0.7rem;
  font-weight: 500;
}

.check-room-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.check-room-actions button {
  flex: 1 1 12rem;
  min-height: 44px;
  padding: 0.52rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
  font-family: var(--body);
  font-size: 0.74rem;
  font-weight: 700;
}

.check-room-actions button:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.room-dimensions__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.number-control {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
}

.number-control:focus-within {
  border-color: var(--accent);
}

.field .number-control input {
  min-width: 0;
  border: 0;
  background: transparent;
}

.number-control > span {
  padding-right: 0.75rem;
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.fit-result[data-rating]:not([data-rating="neutral"]) [data-fit-verdict] {
  color: var(--good);
}

.fit-prompt {
  margin: 0.55rem 0 0;
  color: var(--warning);
  font-weight: 650;
}

.fit-caveat {
  margin: 0.75rem 0 0;
  padding-left: 0.75rem;
  border-left: 3px solid var(--warning);
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.tool-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 clamp(1rem, 2.8vw, 1.7rem) clamp(1rem, 2.8vw, 1.7rem);
  padding-top: 1rem;
  border-top: var(--rule);
}

.button,
[data-compare-size] {
  min-height: 44px;
  padding: 0.58rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
}

.button:hover,
[data-compare-size]:hover {
  border-color: var(--accent);
  color: var(--accent);
}

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

.button--primary:hover {
  color: var(--on-accent);
  filter: brightness(1.06);
}

.button--quiet {
  margin-left: auto;
  border-color: transparent;
  background: transparent;
  color: var(--ink-muted);
}

.choose-smaller {
  margin: 0.75rem 0 0;
}

.more-actions {
  position: relative;
}

.more-actions > summary {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0.58rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  list-style: none;
}

.more-actions > summary::-webkit-details-marker {
  display: none;
}

.more-actions > summary::after {
  margin-left: 0.45rem;
  content: "＋";
  color: var(--accent);
}

.more-actions[open] > summary::after {
  content: "−";
}

.more-actions__menu {
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  z-index: 10;
  display: grid;
  width: max-content;
  min-width: 10rem;
  gap: 0.35rem;
  padding: 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-raised);
}

.more-actions__menu .button {
  width: 100%;
  text-align: left;
}

@media (min-width: 641px) {
  .more-actions > summary {
    display: none;
  }

  .more-actions__menu,
  .more-actions:not([open]) > .more-actions__menu {
    position: static;
    display: flex;
    width: auto;
    min-width: 0;
    gap: 0.5rem;
    padding: 0;
    border: 0;
    background: transparent;
  }

  .more-actions__menu .button {
    width: auto;
    text-align: center;
  }
}

.copy-fallback {
  display: grid;
  gap: 0.35rem;
  margin: 0 clamp(1rem, 2.8vw, 1.7rem) clamp(1rem, 2.8vw, 1.7rem);
  color: var(--ink-muted);
  font-size: 0.74rem;
}

.action-note {
  flex-basis: 100%;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.locale-suggestion {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  padding: 0.65rem;
  border-left: 3px solid var(--accent);
  background: var(--surface-raised);
  color: var(--ink-muted);
  font-size: 0.72rem;
}

.locale-suggestion span {
  flex: 1 1 100%;
}

.locale-suggestion button {
  min-height: 44px;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--control);
  color: var(--ink);
  font-size: 0.72rem;
  font-weight: 700;
}

.reference-section,
.bedding-section,
.differences-section,
.explanation-grid,
.source-note,
.faq {
  margin-top: clamp(3rem, 7vw, 5.5rem);
}

.section-heading {
  max-width: 48rem;
  margin-bottom: 1.2rem;
}

.section-heading h2,
.worked-example h2,
.how-to h2,
.source-note h2 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.55rem, 3.2vw, 2.2rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.section-heading > p:last-child,
.source-note > p:last-child {
  max-width: 66ch;
  margin: 0.55rem 0 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.bed-overview {
  margin: 1.35rem 0 1.7rem;
  padding: clamp(1rem, 2.8vw, 1.65rem);
  border-top: 2px solid var(--ink);
  border-bottom: var(--rule);
  background: var(--surface);
  content-visibility: auto;
  contain-intrinsic-size: 880px;
}

.bed-overview__heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1rem;
}

.bed-overview__heading h3 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.2rem, 2.4vw, 1.65rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.bed-overview__tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 0.55rem 0.75rem;
}

.bed-overview__scale {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 650;
}

.bed-overview__scale span {
  width: 1.8rem;
  height: 1rem;
  border: 1.5px solid var(--ink);
  border-radius: 3px;
  background: var(--accent);
  opacity: 0.65;
}

.bed-overview__print {
  white-space: nowrap;
}

.bed-overview__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  border-top: var(--rule);
  border-left: var(--rule);
  list-style: none;
}

.bed-overview__item {
  display: grid;
  min-width: 0;
  align-content: start;
  justify-items: center;
  padding: clamp(0.65rem, 1.8vw, 1rem);
  border-right: var(--rule);
  border-bottom: var(--rule);
  background: var(--surface);
  text-align: center;
}

.bed-overview__plot {
  display: grid;
  width: 100%;
  max-width: 11.5rem;
  aspect-ratio: 1;
  place-items: center;
  margin: 0 auto 0.45rem;
}

.bed-overview__plot svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.bed-overview__mattress,
.bed-overview__pillow,
.bed-overview__crease {
  vector-effect: non-scaling-stroke;
}

.bed-overview__mattress {
  fill: var(--accent);
  fill-opacity: 0.13;
  stroke: var(--ink);
  stroke-width: 1.8;
}

.bed-overview__pillow {
  fill: var(--surface-raised);
  stroke: var(--ink);
  stroke-width: 1.25;
}

.bed-overview__crease {
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-width: 1.25;
}

.bed-overview__label {
  display: grid;
  justify-items: center;
  gap: 0.08rem;
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.bed-overview__label strong {
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.82rem;
  line-height: 1.2;
}

.bed-overview__label span {
  color: var(--ink-muted);
  font-size: 0.7rem;
  font-weight: 650;
}

.bed-overview__label small {
  max-width: 18ch;
  color: var(--ink-muted);
  font-size: 0.58rem;
  line-height: 1.25;
}

.bed-overview figcaption {
  max-width: 78ch;
  margin-top: 0.75rem;
  color: var(--ink-muted);
  font-size: 0.7rem;
}

.bed-overview__print-note {
  display: none;
}

.table-scroll {
  max-width: 100%;
  overflow-x: auto;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--border);
  overscroll-behavior-inline: contain;
}

.size-table {
  width: 100%;
  min-width: 990px;
  border-collapse: collapse;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.size-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.size-table th,
.size-table td {
  padding: 0.72rem 0.65rem;
  border-bottom: var(--rule);
  text-align: left;
  vertical-align: middle;
}

.size-table thead th {
  background: var(--surface-raised);
  color: var(--ink-muted);
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.size-table tbody th {
  min-width: 10rem;
  color: var(--ink);
  font-family: var(--display);
  font-weight: 650;
}

.size-table tbody tr:hover {
  background: var(--surface);
}

.size-table td:nth-child(6) {
  min-width: 13rem;
  color: var(--ink-muted);
}

.aka {
  display: block;
  color: var(--ink-muted);
  font-family: var(--body);
  font-size: 0.67rem;
  font-weight: 500;
}

.specialty {
  display: inline-block;
  padding: 0.08rem 0.28rem;
  border: 1px solid var(--warning);
  border-radius: 3px;
  color: var(--warning);
  font-family: var(--body);
  font-size: 0.56rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 0.08em;
}

.compare-size,
[data-compare-size] {
  width: 100%;
  min-width: 11rem;
  text-align: left;
}

.table-note {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  font-size: 0.75rem;
}

.bedding-section {
  padding: clamp(1.2rem, 3vw, 2rem);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  background: var(--surface);
}

.bedding-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  border-top: var(--rule);
  border-left: var(--rule);
}

.bedding-grid > div {
  padding: 0.9rem;
  border-right: var(--rule);
  border-bottom: var(--rule);
}

.bedding-grid dt {
  color: var(--ink-muted);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.bedding-grid dd {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 650;
}

.bedding-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 1rem 0 0;
  border-top: var(--rule);
  border-left: var(--rule);
}

.bedding-list > div {
  padding: 0.9rem;
  border-right: var(--rule);
  border-bottom: var(--rule);
}

.bedding-list dt {
  color: var(--ink-muted);
  font-size: 0.67rem;
  font-weight: 750;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.bedding-list dd {
  margin: 0.35rem 0 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.9rem;
  font-weight: 650;
}

.bedding-note {
  margin: 0.8rem 0 0;
  color: var(--ink-muted);
  font-size: 0.76rem;
}

.difference-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
  list-style: none;
}

.collision-copy {
  max-width: 54rem;
  margin: -0.45rem 0 1rem;
  padding-left: 0.75rem;
  border-left: 3px solid var(--accent);
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.difference-list li {
  padding: 1rem 1rem 1rem 0;
  border-bottom: var(--rule);
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.difference-list li:nth-child(odd) {
  padding-right: 1.5rem;
  border-right: var(--rule);
}

.difference-list li:nth-child(even) {
  padding-left: 1.5rem;
}

.difference-list strong {
  color: var(--ink);
}

.explanation-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 5vw, 4rem);
}

.worked-example,
.how-to {
  min-width: 0;
  padding-top: 1.1rem;
  border-top: 2px solid var(--ink);
}

.worked-example p:not(.eyebrow),
.how-to li {
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.worked-example strong,
.how-to strong {
  color: var(--ink);
}

.how-to ol {
  margin: 1rem 0 0;
  padding-left: 1.4rem;
}

.how-to li {
  padding: 0.25rem 0 0.5rem 0.25rem;
}

.how-to li::marker {
  color: var(--accent);
  font-family: var(--display);
  font-weight: 750;
}

.source-note {
  max-width: 62rem;
  padding: clamp(1rem, 3vw, 1.6rem);
  border: var(--rule);
  background: var(--surface);
}

.source-note h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
}

.faq {
  max-width: 52rem;
}

.faq details {
  border-bottom: var(--rule);
}

.faq summary {
  position: relative;
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 0;
  color: var(--ink);
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 650;
  list-style: none;
}

.faq details > p {
  max-width: 46rem;
  margin: 0;
  padding: 0 2rem 1rem 0;
  color: var(--ink-muted);
  font-size: 0.88rem;
}

.faq details strong {
  color: var(--ink);
}

.site-footer {
  width: var(--measure);
  margin: 0 auto;
  padding:
    2rem max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-right))
    max(2.5rem, env(safe-area-inset-bottom))
    max(clamp(0.85rem, 4vw, 2rem), env(safe-area-inset-left));
  border-top: var(--rule);
  text-align: center;
}

.footer-disclaimer {
  max-width: 48rem;
  margin: 0 auto 0.7rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.footer-link,
.legal-back {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--border);
}

.footer-link:hover,
.legal-back:hover {
  color: var(--accent);
}

.legal-dialog {
  width: min(680px, 92vw);
  max-height: 84svh;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
}

.legal-dialog::backdrop {
  background: rgb(4 8 7 / 75%);
}

.legal-dialog-frame {
  position: relative;
  padding: 1.25rem clamp(1rem, 4vw, 1.8rem) 1.8rem;
}

.legal-close {
  position: sticky;
  top: 0.1rem;
  float: right;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--control);
  color: var(--ink);
}

.legal-close:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.legal-page {
  background: var(--bg);
}

.legal-page-shell {
  width: min(680px, 100%);
  margin: 0 auto;
  padding:
    max(1.5rem, env(safe-area-inset-top))
    max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-right))
    4rem
    max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-left));
}

.legal-back {
  margin-bottom: 1.1rem;
  color: var(--accent);
  font-size: 0.86rem;
}

.legal-copy .eyebrow {
  margin-bottom: 0.35rem;
}

.legal-copy h1 {
  margin: 0 0 0.25rem;
  font-family: var(--display);
  font-size: clamp(1.65rem, 5vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.legal-copy .legal-updated {
  margin: 0 0 1.3rem;
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.legal-copy h2 {
  margin: 1.4rem 0 0.35rem;
  font-family: var(--display);
  font-size: 1.05rem;
}

.legal-copy p,
.legal-copy li {
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.legal-copy strong {
  color: var(--ink);
}

.legal-copy footer {
  margin-top: 1.8rem;
  padding-top: 0.9rem;
  border-top: var(--rule);
  color: var(--ink-muted);
  font-size: 0.78rem;
}

.error-page main {
  width: min(680px, 100%);
  margin: 0 auto;
  padding:
    13vh max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-right))
    4rem max(clamp(1rem, 4vw, 2rem), env(safe-area-inset-left));
  text-align: center;
}

.error-code {
  margin: 0;
  color: var(--accent);
  font-family: var(--display);
  font-size: clamp(4rem, 16vw, 7rem);
  font-weight: 700;
  line-height: 1;
}

.error-page h1 {
  margin: 0.4rem 0;
  font-family: var(--display);
  letter-spacing: -0.04em;
}

@media (max-width: 900px) {
  .studio__intro {
    display: block;
  }

  .tagline {
    max-width: 44rem;
    margin-top: 0.5rem;
    text-align: left;
  }

  .task-layout {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .result-column {
    padding: 1.15rem 0 0;
    border-top: var(--rule);
    border-left: 0;
  }

  .result-heading {
    min-height: 0;
  }

  .result-heading h2 {
    max-width: 24ch;
  }

  .canvas-frame canvas {
    height: clamp(280px, 62vw, 430px);
  }

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

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

@media (max-width: 640px) {
  .site-header {
    min-height: 54px;
  }

  main {
    padding-inline:
      max(0.75rem, env(safe-area-inset-left))
      max(0.75rem, env(safe-area-inset-right));
  }

  .studio__intro,
  .task-panel {
    padding: 0.65rem 0.9rem;
  }

  .studio__intro .eyebrow {
    display: none;
  }

  .studio__intro h1 {
    font-size: 2rem;
  }

  .task-tabs {
    width: calc(100% - 1.8rem);
    margin: 0.6rem 0.9rem 0;
  }

  .task-panel {
    padding-top: 0.6rem;
  }

  .control-column {
    gap: 0.8rem;
  }

  [data-task-panel="compare"] .task-layout {
    gap: 0.7rem;
  }

  [data-task-panel="compare"] .control-column {
    display: grid;
    grid-template-areas:
      "region options"
      "beds beds";
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 0.65rem;
  }

  [data-task-panel="compare"] .control-column > .field {
    grid-area: region;
  }

  [data-task-panel="compare"] .control-column > .field .field__hint {
    display: none;
  }

  [data-task-panel="compare"] .bed-pair {
    grid-area: beds;
  }

  .bed-pair__fields {
    grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr);
    grid-template-areas: "first swap second";
    align-items: end;
  }

  .bed-pair__fields > .field:first-child {
    grid-area: first;
  }

  .bed-pair__fields > .field:last-child {
    grid-area: second;
  }

  .swap-button {
    grid-area: swap;
    min-width: 44px;
    min-height: 44px;
    padding: 0;
  }

  .swap-button span:last-child {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
  }

  [data-task-panel="compare"] .view-options {
    position: relative;
    z-index: 5;
    grid-area: options;
    border: 0;
  }

  [data-task-panel="compare"] .view-options > summary {
    min-height: 48px;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--control);
  }

  [data-task-panel="compare"] .view-options > summary::after {
    margin-left: 0.45rem;
  }

  [data-task-panel="compare"] .view-options__body {
    position: absolute;
    top: calc(100% + 0.4rem);
    right: 0;
    width: min(20rem, calc(100vw - 3.3rem));
    padding: 0.8rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface-raised);
    box-shadow: 0 12px 28px rgb(0 0 0 / 0.24);
  }

  [data-task-panel="compare"] .result-column {
    padding-top: 0.7rem;
  }

  .result-heading h2 {
    font-size: clamp(1.65rem, 8vw, 2.3rem);
  }

  .canvas-frame {
    min-height: 250px;
  }

  .canvas-frame canvas {
    height: clamp(250px, 80vw, 360px);
  }

  .tool-actions {
    margin-inline: 0.9rem;
  }

  .tool-actions .button {
    flex: 1 1 calc(50% - 0.5rem);
  }

  .bed-overview {
    margin-top: 1rem;
    padding: 0.8rem;
    contain-intrinsic-size: 760px;
  }

  .bed-overview__heading {
    display: block;
    margin-bottom: 0.75rem;
  }

  .bed-overview__scale {
    margin-top: 0.45rem;
  }

  .bed-overview__tools {
    justify-content: space-between;
  }

  .bed-overview__item {
    padding: 0.55rem 0.35rem 0.65rem;
  }

  .bed-overview__plot {
    max-width: 7.5rem;
    margin-bottom: 0.3rem;
  }

  .bed-overview__label strong {
    font-size: 0.72rem;
  }

  .bed-overview__label span {
    font-size: 0.64rem;
  }

  .bed-overview__label small {
    font-size: 0.54rem;
  }

  .button--quiet {
    margin-left: 0;
  }

  .copy-fallback {
    margin-inline: 0.9rem;
  }

  .difference-list,
  .explanation-grid {
    grid-template-columns: 1fr;
  }

  .difference-list li,
  .difference-list li:nth-child(odd),
  .difference-list li:nth-child(even) {
    padding: 0.85rem 0;
    border-right: 0;
  }

  .explanation-grid {
    gap: 2.5rem;
  }

  .bedding-section {
    padding: 1rem;
  }
}

@media (max-width: 420px) {
  .trust {
    font-size: 0;
  }

  .trust::after {
    content: "Private";
    font-size: 0.67rem;
  }

  .brand {
    font-size: 1rem;
  }

  .tagline {
    display: none;
  }

  .studio__intro {
    padding-block: 0.55rem;
  }

  .bed-pair__fields {
    gap: 0.4rem;
  }

  [data-task-panel="compare"] .result-heading > .eyebrow,
  [data-task-panel="compare"] [data-compare-sub] {
    display: none;
  }

  [data-task-panel="compare"] .result-heading {
    padding-bottom: 0.55rem;
  }

  .field select,
  .field input[type="number"] {
    padding-inline: 0.52rem;
    font-size: 0.84rem;
  }

  .room-dimensions__grid,
  .measure-grid,
  .bedding-grid,
  .bedding-list {
    grid-template-columns: 1fr;
  }

  .canvas-frame {
    min-height: 240px;
  }

  .canvas-frame canvas {
    height: 240px;
  }

  .tool-actions .button {
    flex-basis: 100%;
  }
}

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

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  .studio,
  .task-tabs,
  .field select,
  .field input,
  .native-segment,
  .canvas-frame,
  .bedding-section,
  .source-note,
  .legal-dialog {
    border-color: CanvasText;
  }

  .task-tab[aria-selected="true"],
  .button--primary {
    border: 2px solid Highlight;
    background: Canvas;
    color: CanvasText;
  }

  .task-tab[aria-selected="true"] {
    outline: 3px solid Highlight;
    outline-offset: -3px;
  }

  .bed-key--a {
    color: CanvasText;
  }

  .legend-line--a {
    color: CanvasText;
    border-color: CanvasText;
    border-style: solid;
  }

  .bed-key--b {
    color: LinkText;
  }

  .legend-line--b {
    color: LinkText;
    border-color: LinkText;
    border-style: dashed;
  }

  .specialty {
    border-color: CanvasText;
    color: CanvasText;
  }

  .bed-overview,
  .bed-overview__item,
  .bed-overview__scale span {
    border-color: CanvasText;
  }

  .bed-overview__mattress,
  .bed-overview__pillow {
    fill: Canvas;
    stroke: CanvasText;
  }

  .bed-overview__crease {
    stroke: CanvasText;
  }
}

@media print {
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --surface: #ffffff;
    --surface-raised: #ffffff;
    --control: #ffffff;
    --border: #444444;
    --border-soft: #bbbbbb;
    --ink: #111111;
    --ink-muted: #333333;
    --accent: #111111;
    --on-accent: #ffffff;
    --bed-a: #555555;
    --bed-b: #111111;
  }

  @page {
    margin: 14mm;
  }

  body {
    background: #ffffff;
    color: #111111;
  }

  .skip-link,
  .site-header,
  .task-tabs,
  .control-column,
  .tool-actions,
  .copy-fallback,
  .reference-section,
  .differences-section,
  .how-to,
  .faq,
  .site-footer,
  .legal-dialog {
    display: none !important;
  }

  main {
    width: 100%;
    padding: 0;
  }

  .studio {
    border: 0;
  }

  .studio__intro,
  .task-panel {
    padding-inline: 0;
  }

  .studio__intro {
    border-top: 4px solid #111111;
  }

  .tagline {
    display: none;
  }

  .task-layout {
    display: block;
  }

  .result-column {
    padding: 0;
    border: 0;
  }

  .canvas-frame {
    min-height: 250px;
    break-inside: avoid;
  }

  .canvas-frame canvas {
    height: 250px;
  }

  .bedding-section,
  .worked-example,
  .source-note {
    break-inside: avoid;
  }

  .bedding-section,
  .explanation-grid,
  .source-note {
    margin-top: 1.5rem;
  }

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

  html[data-print-target="us-chart"] main > :not(.reference-section) {
    display: none !important;
  }

  html[data-print-target="us-chart"] .reference-section {
    display: block !important;
    margin: 0;
  }

  html[data-print-target="us-chart"] .reference-section > .section-heading {
    max-width: none;
    margin: 0 0 5mm;
    padding-top: 4mm;
    border-top: 4px solid #111111;
  }

  html[data-print-target="us-chart"] .reference-section > .section-heading h2 {
    font-size: 22pt;
  }

  html[data-print-target="us-chart"] .reference-section > .section-heading > p:last-child {
    max-width: none;
    font-size: 9pt;
  }

  html[data-print-target="us-chart"] .bed-overview {
    margin: 0;
    padding: 5mm;
    border: 1px solid #444444;
    content-visibility: visible;
    contain: none;
    break-inside: avoid;
  }

  html[data-print-target="us-chart"] .bed-overview__heading {
    align-items: end;
    margin-bottom: 3mm;
  }

  html[data-print-target="us-chart"] .bed-overview__heading h3 {
    font-size: 15pt;
  }

  html[data-print-target="us-chart"] .bed-overview__tools {
    display: block;
  }

  html[data-print-target="us-chart"] .bed-overview__scale {
    font-size: 7.5pt;
  }

  html[data-print-target="us-chart"] .bed-overview__print,
  html[data-print-target="us-chart"] .table-scroll,
  html[data-print-target="us-chart"] .table-note {
    display: none !important;
  }

  html[data-print-target="us-chart"] .bed-overview__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  html[data-print-target="us-chart"] .bed-overview__item {
    padding: 2mm 1.5mm 2.5mm;
  }

  html[data-print-target="us-chart"] .bed-overview__plot {
    max-width: none;
    margin-bottom: 1mm;
  }

  html[data-print-target="us-chart"] .bed-overview__label strong {
    font-size: 8pt;
  }

  html[data-print-target="us-chart"] .bed-overview__label span {
    font-size: 7pt;
  }

  html[data-print-target="us-chart"] .bed-overview__label small {
    font-size: 5.5pt;
  }

  html[data-print-target="us-chart"] .bed-overview figcaption {
    max-width: none;
    margin-top: 2.5mm;
    font-size: 7.5pt;
  }

  html[data-print-target="us-chart"] .bed-overview__screen-note {
    display: none;
  }

  html[data-print-target="us-chart"] .bed-overview__print-note {
    display: inline;
  }
}