:root {
  --ink: #102b25;
  --ink-2: #1d5648;
  --muted: #52665e;
  --line: #c7cbbf;
  --paper: #f5f2e8;
  --card: #fffdf6;
  --lime: #d8f05b;
  --good: #2f7a3a;
  --bad: #b3261e;
  --radius: 2px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 100px; }
body { margin: 0; overflow-wrap: anywhere; background: var(--paper); color: var(--ink); font: 16px/1.7 'DM Sans', sans-serif; }
a { color: inherit; text-underline-offset: 4px; }
button, input, select { font: inherit; }
button { cursor: pointer; }
:where(a, button, input, select, summary):focus-visible { outline: 3px solid #b15416; outline-offset: 4px; }
main:focus { outline: none; }
.wrap { width: min(960px, calc(100% - 48px)); margin-inline: auto; }
.skip-link { position: fixed; top: 12px; left: 16px; z-index: 200; padding: 12px 16px; background: var(--lime); transform: translateY(-160%); }
.skip-link:focus { transform: none; }
.top { border-bottom: 1px solid var(--line); background: var(--paper); }
.top .wrap { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 80px; }
.brand { font-weight: 800; text-decoration: none; letter-spacing: -.04em; font-size: 1.125rem; }
.brand span { display: inline-block; background: var(--lime); padding: 2px 8px; margin-left: 8px; font-size: .6875rem; font-weight: 600; letter-spacing: 0; vertical-align: middle; }
.top nav { display: flex; flex-wrap: wrap; gap: 20px; }
.top nav a { display: flex; align-items: center; min-height: 44px; font-size: .8125rem; font-weight: 600; text-decoration: none; }
.top nav a:hover { text-decoration: underline; }
.crumbs { font-size: .75rem; color: var(--muted); margin: 28px 0; line-height: 1.7; }
.kicker { display: block; font-size: .75rem; text-transform: uppercase; font-weight: 700; letter-spacing: .07em; }
h1 { font-size: clamp(2.25rem, 5vw, 4rem); font-weight: 700; line-height: 1.06; letter-spacing: -.055em; margin: 18px 0 24px; text-wrap: balance; }
h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 36px 0 18px; line-height: 1.2; letter-spacing: -.04em; text-wrap: balance; }
h3 { font-size: 1.1875rem; margin: 24px 0 12px; line-height: 1.3; }
.lede { color: var(--muted); font-size: 1rem; max-width: 720px; margin: 0 0 36px; text-wrap: pretty; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(210px,100%), 1fr)); }
.grid > * { min-width: 0; }
label { display: block; font-weight: 600; font-size: .875rem; margin-bottom: 8px; }
.hint { display: block; font-weight: 400; color: var(--muted); font-size: .8125rem; margin-top: 6px; }
.field { position: relative; }
.field .unit { position: absolute; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .875rem; pointer-events: none; }
.field .unit.pre { left: 12px; }
.field .unit.post { right: 12px; }
input, select { width: 100%; min-height: 48px; color: var(--ink); background: var(--paper); border: 1px solid #8f9e91; border-radius: 2px; padding: 10px 12px; }
.field input.has-pre { padding-left: 40px; }
.field input.has-post { padding-right: 40px; }
input:focus, select:focus { border-color: var(--ink-2); }
.seg { display: inline-flex; border: 1px solid var(--ink); border-radius: 2px; margin-bottom: 20px; }
.seg button { border: 0; background: transparent; color: var(--ink); min-height: 44px; padding: 8px 14px; font-size: .875rem; }
.seg button + button { border-left: 1px solid var(--ink); }
.seg button[aria-pressed='true'] { background: var(--ink); color: var(--lime); }
.result { margin: 24px 0 48px; border-radius: 2px; padding: 28px; background: var(--ink); color: var(--paper); }
.result .big { font-size: clamp(2rem, 6vw, 3rem); font-weight: 600; letter-spacing: -.04em; line-height: 1.2; color: var(--lime); font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.result .label { color: #becbc3; font-size: .875rem; }
.result dl { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px 24px; margin: 24px 0 0; }
.result dt { color: #becbc3; font-size: .875rem; }
.result dd { margin: 0; text-align: right; font-size: .9375rem; font-weight: 600; font-variant-numeric: tabular-nums; }
.result .verdict { margin-top: 20px; padding: 14px 16px; border-left: 2px solid var(--lime); background: rgba(255,255,255,.06); font-size: .9375rem; }
.good { color: #a5e2b0; }
.bad { color: #ffaea6; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { display: inline-flex; justify-content: center; align-items: center; min-height: 48px; padding: 10px 16px; border: 1px solid var(--ink); border-radius: 2px; background: var(--card); color: var(--ink); font-size: .875rem; font-weight: 600; text-decoration: none; }
.btn:hover { background: #e9ede1; }
.btn.primary { background: var(--lime); color: var(--ink); border: 2px solid var(--lime); font-weight: 700; }
.result .btn { background: transparent; color: var(--paper); border-color: #6c8275; }
.result .btn:hover { background: #24483c; }
.result .btn.primary { background: var(--lime); color: var(--ink); border-color: var(--lime); }
table.rows { width: 100%; border-collapse: collapse; }
table.rows th { text-align: left; font-size: .75rem; color: var(--muted); font-weight: 600; padding: 6px; }
table.rows td { padding: 6px; vertical-align: top; }
table.rows input { min-height: 44px; padding: 8px 10px; }
.rm { border: 0; background: transparent; color: var(--muted); font-size: 1.375rem; min-width: 44px; min-height: 44px; padding: 6px; }
.prose { max-width: 800px; }
.prose p, .prose li { color: var(--ink); }
.prose code, .formula { font-family: ui-monospace, Menlo, Consolas, monospace; background: #e6ebcf; padding: 2px 6px; font-size: .875rem; overflow-wrap: anywhere; }
.formula { display: block; padding: 16px; margin: 16px 0; white-space: pre-wrap; }
details { border-top: 1px solid var(--line); padding: 16px 0; }
details summary { font-size: .9375rem; font-weight: 600; cursor: pointer; min-height: 32px; }
details p { color: var(--muted); font-size: .9375rem; }
.tools-list { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(min(260px,100%), 1fr)); padding: 0; margin: 28px 0; list-style: none; }
.tools-list a { display: block; height: 100%; text-decoration: none; }
.tools-list .card { height: 100%; border-color: var(--ink); box-shadow: 4px 4px 0 var(--ink); transition: background .15s; }
.tools-list .card:hover { background: #e9ede1; }
.tools-list strong { display: block; font-size: 1.1875rem; letter-spacing: -.025em; margin-bottom: 12px; }
.tools-list span { display: block; color: var(--muted); font-size: .875rem; }
.tools-hub > .tools-list { margin: 40px 0 56px; }
.cta { margin: 48px 0; background: var(--ink-2); color: var(--paper); border-radius: 2px; padding: 36px; }
.cta .kicker { color: var(--lime); }
.cta h2 { margin: 18px 0; max-width: 600px; }
.cta p { color: #e0e8df; font-size: .9375rem; max-width: 760px; }
.cta .btn { margin-top: 10px; }
.cta-secondary { display: inline-flex; min-height: 44px; align-items: center; font-size: .875rem; margin: 12px 0 0 20px; }
footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 24px 0 40px; color: var(--muted); font-size: .8125rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
@media (max-width: 650px) {
  .wrap { width: calc(100% - 40px); }
  .top .wrap { flex-direction: column; align-items: flex-start; gap: 0; padding-top: 16px; padding-bottom: 6px; }
  .top nav { width: 100%; justify-content: space-between; gap: 8px; }
  .top nav a { font-size: .75rem; }
  .crumbs { margin: 24px 0; }
  h1 { font-size: 2.5rem; }
  .card, .result { padding: 20px; }
  .result dl { gap: 12px; }
  .result dt, .result dd { font-size: .8125rem; }
  .actions { display: grid; }
  .actions .btn { width: 100%; }
  table.rows thead { display: none; }
  table.rows tr { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 12px 0; border-bottom: 1px solid var(--line); }
  table.rows td:first-child { grid-column: 1 / -1; }
  table.rows td[data-label]::before { content: attr(data-label); display: block; font-size: .75rem; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
  .cta { padding: 24px; }
  .cta .btn { width: 100%; }
  .cta-secondary { display: flex; margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; } }
@media print {
  .top, .actions, .cta, footer, .seg, .skip-link, #add { display: none; }
  body, .card, .result { background: #fff; color: #000; }
  .result { border: 1px solid #000; }
  .result .big, .result dt, .result dd, .result .label, .good, .bad { color: #000; }
  .wrap { width: 100%; }
}