:root {
  --ink: #16202a; --soft: #4c5a67; --line: #d9e0e6; --paper: #fbfcfd; --tint: #eef4f1;
  --accent: #0f6b4f; --accent-ink: #fff; --ad: #fff8e8; --ad-line: #e9d6a6;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--font); }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.wrap { max-width: 46rem; margin: 0 auto; padding: 0 1.25rem; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; z-index: 2; }

.head { border-bottom: 1px solid var(--line); background: #fff; }
.head .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; padding-top: .8rem; padding-bottom: .8rem; }
.mark { font-weight: 700; color: var(--ink); text-decoration: none; margin-right: auto; }
.mark span { color: var(--accent); }
.head nav { display: flex; flex-wrap: wrap; gap: .25rem 1rem; font-size: .95rem; }
.head nav a { color: var(--soft); text-decoration: none; }
.head nav a[aria-current="page"], .head nav a:hover { color: var(--ink); text-decoration: underline; }

main.wrap { padding-top: 2rem; padding-bottom: 3rem; }
h1 { font-size: clamp(1.8rem, 5vw, 2.4rem); line-height: 1.15; margin: 0 0 1rem; letter-spacing: -.01em; }
h2 { font-size: 1.4rem; line-height: 1.25; margin: 2.4rem 0 .6rem; }
h3 { font-size: 1.1rem; margin: 1.6rem 0 .4rem; }
.lead { font-size: 1.2rem; line-height: 1.5; }
.byline { color: var(--soft); font-size: .9rem; margin: 0 0 1.5rem; }
.note { border-left: 4px solid var(--line); padding-left: 1rem; color: var(--soft); }
code { font: .9em var(--mono); background: var(--tint); padding: .1em .3em; border-radius: 4px; }
ul, ol { padding-left: 1.3rem; }
li + li { margin-top: .3rem; }

.table { overflow-x: auto; margin: 1rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .5rem .6rem; border-bottom: 1px solid var(--line); }
thead th { border-bottom: 2px solid var(--ink); }

details { border-bottom: 1px solid var(--line); padding: .6rem 0; }
summary { cursor: pointer; font-weight: 600; }
details > div { padding-top: .3rem; }
.sources { font-size: .9rem; color: var(--soft); }

.ad { background: var(--ad); border: 1px solid var(--ad-line); border-radius: 10px; padding: 1rem 1.25rem; margin: 2rem 0; }
.ad p { margin: .4rem 0; }
.ad-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--soft); margin: 0 !important; }
.ad-head { font-weight: 700; font-size: 1.1rem; }
.ad-cta { display: inline-block; background: var(--accent); color: var(--accent-ink); font-weight: 600; text-decoration: none; padding: .5rem 1rem; border-radius: 8px; margin-right: .5rem; }
.ad-cta:hover { background: #0b5540; }
.ad span { color: var(--soft); font-size: .9rem; }

/* The tool */
.tool { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1.25rem; margin: 1.5rem 0; }
.tool fieldset { border: 0; padding: 0; margin: 0 0 1.1rem; min-width: 0; }
.tool legend { font-weight: 700; margin-bottom: .4rem; }
.tool .choices { display: flex; flex-wrap: wrap; gap: .4rem; }
.tool label { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--line); border-radius: 8px; padding: .35rem .7rem; cursor: pointer; font-size: .95rem; background: var(--paper); }
.tool label:has(input:checked) { border-color: var(--accent); background: var(--tint); }
.tool input { accent-color: var(--accent); margin: 0; }
.result { border-top: 1px solid var(--line); padding-top: 1rem; margin-top: .5rem; }
.result[hidden] { display: none; }
.verdict { font-size: 1.25rem; font-weight: 700; margin: 0 0 .5rem; }
.verdict.yes { color: var(--accent); }
.verdict.maybe { color: #8a5a00; }
.verdict.no { color: #a3261b; }
.result ul { margin: .4rem 0; }
.nojs { color: var(--soft); font-size: .95rem; }

.foot { border-top: 1px solid var(--line); color: var(--soft); font-size: .9rem; }
.foot .wrap { padding-top: 1.2rem; padding-bottom: 2rem; }

@media (max-width: 600px) {
  body { font-size: 16px; }
  .head nav { font-size: .9rem; gap: .2rem .8rem; }
  .ad-cta { margin-bottom: .4rem; }
}