:root {
  color-scheme:light;
  --ink:#253b30;
  --muted:#5e6b61;
  --line:#d9ded5;
  --paper:#f8f7f1;
  --green:#254a3b;
  --serif:Georgia,'Times New Roman',serif;
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none
}

* {
  box-sizing:border-box
}

body {
  margin:0
}

a {
  color:var(--green);
  text-underline-offset:4px
}

button,input,select {
  font:inherit
}

button,select {
  cursor:pointer
}

button {
  border:1px solid #aebbae;
  border-radius:7px;
  background:transparent;
  color:var(--green);
  font-size:.85rem;
  font-weight:600;
  min-height:44px;
  padding:10px 14px
}

button:hover {
  background:#e9eee5
}

button:disabled {
  opacity:.45;
  cursor:default
}

button.primary {
  background:var(--green);
  border-color:var(--green);
  color:#fff
}

button.primary:hover {
  background:#1b3c2e
}

button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible {
  outline:3px solid #ad6c33;
  outline-offset:3px
}

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

.topbar {
  max-width:1320px;
  margin:auto;
  padding:28px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  border-bottom:1px solid var(--line)
}

.brand {
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1.3rem;
  letter-spacing:-.05em;
  font-weight:650;
  text-decoration:none
}

.brand-icon {
  width:25px;
  height:29px;
  border:3px solid var(--green);
  position:relative
}

.brand-icon:after {
  content:'';
  position:absolute;
  inset:4px 3px 6px;
  border:1px solid var(--green)
}

nav a {
  font-size:.85rem;
  text-decoration:none
}

nav a:hover {
  text-decoration:underline
}

main {
  max-width:1224px;
  margin:auto
}

.intro {
  padding:64px 0 42px;
  max-width:740px
}

.eyebrow {
  text-transform:uppercase;
  letter-spacing:.16em;
  font-size:.66rem;
  font-weight:700;
  color:var(--muted);
  margin:0 0 14px
}

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

h1 {
  font-family:var(--serif);
  font-weight:400;
  font-size:clamp(2.4rem,4.2vw,3.65rem);
  line-height:1.08;
  letter-spacing:-.035em;
  margin-bottom:18px
}

.lead {
  font-size:1.05rem;
  line-height:1.7;
  color:var(--muted);
  max-width:580px;
  margin-bottom:16px
}

.local {
  font-size:.76rem;
  letter-spacing:.025em;
  color:var(--muted);
  margin:0
}

.workspace {
  display:grid;
  grid-template-columns:minmax(330px,.88fr) minmax(0,1.3fr);
  background:#fffefa;
  border:1px solid var(--line);
  border-radius:14px;
  overflow:hidden;
  scroll-margin-top:20px
}

#controls {
  padding:28px 30px 20px
}

.form-heading {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:24px
}

h2 {
  font-family:var(--serif);
  font-weight:400;
  font-size:1.6rem;
  letter-spacing:-.025em
}

.form-heading h2 {
  font-size:1.4rem;
  margin:0
}

.unit-select {
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.7rem;
  color:var(--muted)
}

select {
  border:1px solid #b9c4b9;
  border-radius:6px;
  background:#fffefa;
  color:var(--ink);
  min-height:42px;
  padding:8px 10px;
  font-size:.85rem
}

fieldset {
  min-width:0;
  border:0;
  padding:0;
  margin:0
}

.mode {
  background:#eff1e9;
  padding:5px;
  border-radius:8px;
  display:flex;
  gap:4px
}

.mode legend {
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip-path:inset(50%)
}

.mode label {
  flex:1;
  position:relative;
  text-align:center;
  font-size:.76rem;
  font-weight:600;
  padding:12px 5px;
  border-radius:5px;
  cursor:pointer;
  display:flex;
  justify-content:center;
  align-items:center
}

.mode label:has(input:checked) {
  background:#fffefa;
  box-shadow:0 1px 4px #27352a14
}

.mode input {
  position:absolute;
  opacity:0;
  width:100%;
  height:100%;
  left:0;
  top:0;
  margin:0;
  cursor:pointer
}

.mode label:has(input:focus-visible) {
  outline:3px solid #ad6c33;
  outline-offset:2px
}

.input-section {
  margin-top:25px;
  padding-top:23px;
  border-top:1px solid var(--line)
}

h3 {
  font-size:.9rem;
  margin-bottom:12px;
  font-weight:650;
  line-height:1.4
}

.input-section h3 span {
  font-size:.66rem;
  font-weight:500;
  margin-right:12px;
  color:#647561;
  letter-spacing:.05em
}

.help,.field small {
  display:block;
  color:var(--muted);
  font-size:.75rem;
  line-height:1.6
}

.help {
  margin-bottom:14px
}

.section-heading {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px
}

.section-heading h3 {
  margin-bottom:6px
}

.swap {
  padding:0;
  width:44px;
  min-width:44px;
  height:44px;
  font-size:1.3rem;
  border-color:transparent
}

.fields {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px
}

.field {
  display:block;
  min-width:0
}

.field>span {
  display:flex;
  justify-content:space-between;
  gap:6px;
  font-size:.75rem;
  font-weight:600;
  margin-bottom:8px;
  line-height:1.5
}

.unit-label {
  font-weight:400;
  color:#647060;
  font-size:.7rem
}

.field input {
  min-width:0;
  width:100%;
  padding:11px 12px;
  font-variant-numeric:tabular-nums;
  font-size:1.1rem;
  line-height:1.3;
  border:1px solid #b7c2b5;
  border-radius:6px;
  background:#fffefa;
  color:var(--ink)
}

.field small {
  font-size:.69rem;
  margin-top:9px
}

.preset {
  font-size:.73rem;
  color:var(--muted);
  display:block;
  margin-bottom:16px
}

.preset select {
  display:block;
  margin-top:6px;
  width:100%
}

.input-help {
  font-size:.68rem;
  margin:23px 0 0
}

.preview-panel {
  background:#eff1e9;
  border-left:1px solid var(--line);
  padding:29px 30px 24px;
  min-width:0;
  display:flex;
  flex-direction:column
}

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

.preview-heading .eyebrow {
  font-size:.6rem;
  margin-bottom:8px
}

.preview-heading h2 {
  font-size:1.45rem;
  margin:0
}

.swatches {
  display:flex;
  gap:7px;
  flex-shrink:0
}

.swatches label {
  border:1px solid #8b988b;
  width:26px;
  height:26px;
  border-radius:50%;
  background:var(--swatch);
  display:block;
  position:relative;
  cursor:pointer
}

.swatches label:has(input:checked) {
  outline:2px solid var(--green);
  outline-offset:3px
}

.swatches label:has(input:focus-visible) {
  outline:3px solid #ad6c33;
  outline-offset:3px
}

.swatches input {
  opacity:0;
  position:absolute;
  inset:-8px;
  width:40px;
  height:40px;
  cursor:pointer;
  margin:0
}

.diagram {
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:250px;
  padding:6px 20px 0
}

.diagram>svg {
  display:block;
  width:100%;
  max-width:450px;
  height:auto
}

.diagram>p {
  margin:auto;
  font-size:.85rem;
  color:var(--muted);
  text-align:center;
  padding:40px
}

.card {
  background:#fffefa;
  border:1px solid #d0d8cb;
  border-radius:9px;
  padding:19px 21px;
  margin-top:auto
}

.card-heading {
  display:flex;
  justify-content:space-between;
  gap:16px;
  align-items:center;
  margin-bottom:14px
}

.card-heading h3 {
  font-size:.85rem;
  margin:0
}

.card-heading>span {
  font-family:var(--serif);
  font-size:.85rem;
  color:var(--muted)
}

dl {
  margin:0;
  font-variant-numeric:tabular-nums
}

dt {
  font-size:.69rem;
  line-height:1.5;
  color:var(--muted);
  margin-bottom:5px
}

dd {
  margin:0;
  font-size:1rem;
  font-weight:650;
  line-height:1.4;
  overflow-wrap:anywhere
}

.dimensions {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:16px;
  padding-bottom:16px;
  border-bottom:1px solid var(--line)
}

.borders {
  display:grid;
  grid-template-columns:1fr 1fr 1fr;
  gap:12px;
  padding-top:15px
}

.borders dd {
  font-size:.92rem
}

.precision {
  font-size:.65rem;
  line-height:1.5;
  color:var(--muted);
  margin:15px 0 0
}

.print-note {
  display:none
}

.actions {
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:18px
}

.actions button {
  flex:1;
  padding:10px;
  font-size:.72rem
}

.status {
  font-size:.7rem;
  min-height:22px;
  line-height:1.5;
  margin:10px 0 0
}

.preview-note {
  font-size:.66rem;
  line-height:1.65;
  color:var(--muted);
  margin:3px 0 0
}

.error {
  padding:15px;
  color:#7d2b22;
  background:#fff0e9;
  border:1px solid #d0a096;
  border-radius:7px;
  font-size:.85rem;
  line-height:1.6;
  margin:12px 0
}

.guide {
  padding:68px 0 42px
}

.guide>h2 {
  font-size:2rem;
  margin-bottom:34px
}

.steps {
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:38px
}

.steps h3 {
  margin:14px 0 11px;
  font-family:var(--serif);
  font-weight:400;
  font-size:1.2rem
}

.steps p,.privacy p,details p {
  font-size:.83rem;
  color:var(--muted);
  line-height:1.85
}

.step-number {
  font-size:.7rem;
  color:#657460;
  letter-spacing:.08em
}

details {
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:20px 0;
  margin-top:25px
}

summary {
  cursor:pointer;
  font-size:.87rem
}

details p {
  max-width:850px;
  margin-top:16px
}

details a {
  font-size:.8rem
}

.privacy {
  padding:15px 0 45px;
  max-width:850px
}

.privacy h2 {
  font-size:1.3rem
}

.privacy p {
  font-size:.74rem
}

footer {
  max-width:1224px;
  padding:23px 0 35px;
  border-top:1px solid var(--line);
  margin:auto;
  display:flex;
  justify-content:space-between;
  gap:15px;
  color:var(--muted);
  font-size:.72rem
}

footer div {
  display:flex;
  gap:20px
}

.sr-only,.skip {
  position:absolute;
  width:1px;
  height:1px;
  overflow:hidden;
  clip-path:inset(50%)
}

.skip:focus {
  clip-path:none;
  width:auto;
  height:auto;
  padding:15px;
  background:white;
  z-index:2;
  top:4px;
  left:4px
}

[hidden] {
  display:none!important
}

@media(min-width:1500px) {
  main,footer {
    max-width:1224px
  }
}

@media(max-width:1320px) {
  main,footer {
    margin-left:48px;
    margin-right:48px
  }
  .intro {
    padding-top:50px
  }
}

@media(max-width:1000px) {
  main,footer {
    margin-left:28px;
    margin-right:28px
  }
  .topbar {
    padding:22px 28px
  }
  .workspace {
    grid-template-columns:minmax(310px,1fr) minmax(0,1.1fr)
  }
  #controls,.preview-panel {
    padding:24px 22px
  }
  .preview-heading {
    flex-wrap:wrap;
    gap:16px
  }
  .diagram {
    padding:4px 0
  }
  .actions button {
    font-size:.68rem
  }
  .steps {
    gap:24px
  }
  .dimensions {
    grid-template-columns:1fr
  }
  .preview-heading h2 {
    font-size:1.3rem
  }
}

@media(max-width:740px) {
  .workspace {
    display:block
  }
  .preview-panel {
    border-left:0;
    border-top:1px solid var(--line);
    padding:26px 22px
  }
  .preview-heading {
    flex-wrap:nowrap
  }
  .dimensions {
    grid-template-columns:1fr 1fr
  }
  .intro {
    padding:38px 0 30px
  }
  .intro .eyebrow {
    font-size:.6rem
  }
  .lead {
    font-size:.94rem
  }
  .local {
    font-size:.67rem
  }
  h1 {
    max-width:500px
  }
  .guide {
    padding:45px 0 25px
  }
  .guide>h2 {
    font-size:1.7rem
  }
  .steps {
    grid-template-columns:1fr;
    gap:10px
  }
  .steps article {
    padding-top:16px;
    border-top:1px solid var(--line)
  }
  .steps h3 {
    margin-top:8px
  }
  .diagram>svg {
    max-width:370px
  }
  .diagram {
    padding-top:16px
  }
  .actions button {
    font-size:.74rem
  }
  .privacy {
    padding-bottom:25px
  }
  footer {
    font-size:.68rem;
    flex-wrap:wrap
  }
  .topbar {
    padding:20px 22px
  }
  main,footer {
    margin-left:18px;
    margin-right:18px
  }
}

@media(max-width:380px) {
  #controls,.preview-panel {
    padding-left:16px;
    padding-right:16px
  }
  .preview-heading {
    flex-wrap:wrap
  }
  .dimensions {
    grid-template-columns:1fr
  }
  .actions button {
    flex-basis:100%
  }
  .unit-select {
    gap:4px
  }
  .form-heading h2 {
    font-size:1.2rem
  }
}

@media print {
  @page {
    size:auto;
    margin:18mm
  }
  body {
    background:#fff;
    color:#000;
    font-size:10pt
  }
  .topbar {
    padding:0 0 12px;
    border-color:#999
  }
  .topbar nav,.skip,.intro,.guide,.privacy,footer,#controls,.swatches,.actions,.status,.preview-note,.precision {
    display:none!important
  }
  main {
    margin:0;
    max-width:none
  }
  .workspace {
    display:block;
    border:0;
    border-radius:0
  }
  .preview-panel {
    padding:18px 0 0;
    border:0;
    background:white;
    display:block
  }
  .preview-heading h2 {
    font-size:18pt
  }
  .diagram {
    padding:0;
    min-height:0
  }
  .diagram>svg {
    height:85mm;
    width:auto;
    max-width:100%;
    margin:auto
  }
  .card {
    margin-top:0;
    padding:12px;
    border:1px solid #999;
    break-inside:avoid
  }
  .dimensions {
    grid-template-columns:1fr 1fr
  }
  .borders {
    padding-top:12px
  }
  .print-note {
    display:block;
    font-size:8pt;
    line-height:1.5;
    color:#333;
    margin:14px 0 0
  }
  .error {
    background:none;
    color:black
  }
  .brand {
    font-size:15pt
  }
  .eyebrow {
    color:#333
  }
  .card-heading>span {
    color:#333
  }
  dt {
    color:#333
  }
  .diagram svg {
    -webkit-print-color-adjust:exact;
    print-color-adjust:exact
  }
}

.plan-context {
  font-size:.7rem;
  line-height:1.6;
  color:var(--muted);
  margin:15px 0 0
}