:root {
  color-scheme: light dark;
  --background: #F8F3ED;
  --surface: #FFFBF7;
  --raised: #EDE2D7;
  --text: #2C201B;
  --muted: #62544C;
  --primary: #B04010;
  --on-primary: #FFFBF7;
  --primary-surface: #FFE8DC;
  --border: #85736A;
  --separator: #D8C9BC;
  --warning: #80510D;
  --warning-surface: #F7EBCF;
  --font-body: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans Thai", Tahoma, sans-serif;
  --content: 72rem;
  --measure: 44rem;
}
@media (prefers-color-scheme: dark) {
  :root {
    --background: #191310;
    --surface: #241B17;
    --raised: #342721;
    --text: #F8EEE8;
    --muted: #CBB9AD;
    --primary: #FFA77F;
    --on-primary: #35150B;
    --primary-surface: #51281B;
    --border: #9B877A;
    --separator: #54453C;
    --warning: #F3C878;
    --warning-surface: #46351B;
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: auto; }
body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration-thickness: .09em; text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
a:active { color: var(--text); }
a:focus-visible { outline: .1875rem solid var(--primary); outline-offset: .1875rem; border-radius: .125rem; }
::selection { background: var(--primary); color: var(--on-primary); }
.skip-link { position: fixed; z-index: 20; top: .5rem; left: .5rem; padding: .65rem 1rem; background: var(--primary); color: var(--on-primary); transform: translateY(-180%); }
.skip-link:focus { transform: translateY(0); }
.wrap, .header-inner, .footer-inner { width: min(calc(100% - 2rem), var(--content)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--separator); background: color-mix(in srgb, var(--background) 94%, transparent); }
.header-inner { min-height: 5rem; display: flex; align-items: center; gap: 1.25rem; }
.brand { min-height: 3rem; display: inline-flex; align-items: center; gap: .75rem; margin-right: auto; color: var(--text); text-decoration: none; }
.brand img { width: 3rem; height: 3rem; border-radius: .7rem; }
.brand span { display: grid; line-height: 1.25; }
.brand strong { font-size: 1rem; }
.brand small { color: var(--muted); font-size: .78rem; }
nav { display: flex; align-items: center; gap: .25rem; }
.site-header nav a, .language { min-height: 2.75rem; display: inline-flex; align-items: center; padding: .5rem .75rem; color: var(--text); text-decoration: none; border-radius: .45rem; }
.site-header nav a[aria-current="page"] { background: var(--primary-surface); color: var(--primary); font-weight: 650; }
.language { border: 1px solid var(--border); }
.intro, .page-heading { padding-block: clamp(3.5rem, 8vw, 7rem) clamp(2.5rem, 6vw, 5rem); border-bottom: 1px solid var(--separator); }
.page-heading { padding-block: clamp(3rem, 7vw, 5.5rem) clamp(2rem, 5vw, 3.5rem); }
h1 { max-width: 15ch; margin: 0; font-size: clamp(2.35rem, 7vw, 5.25rem); line-height: 1.08; letter-spacing: -.035em; text-wrap: balance; }
.page-heading h1 { font-size: clamp(2.2rem, 5vw, 4rem); }
.lede { max-width: 46rem; margin: 1.5rem 0 0; color: var(--muted); font-size: clamp(1.15rem, 2.4vw, 1.45rem); line-height: 1.65; }
.status { display: inline-block; margin: 2rem 0 0; padding: .55rem .85rem; background: var(--primary-surface); color: var(--text); border: 1px solid var(--primary); }
.reading-layout { display: grid; grid-template-columns: minmax(14rem, 19rem) minmax(0, var(--measure)); gap: clamp(2.5rem, 7vw, 7rem); align-items: start; padding-block: clamp(3rem, 7vw, 6rem); }
.task-index { display: block; border-top: .25rem solid var(--primary); }
.task-index.sticky { position: sticky; top: 1rem; }
.task-index h2 { margin: 1rem 0 .5rem; font-size: 1rem; }
.task-index a { min-height: 3.25rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: .75rem .15rem; border-bottom: 1px solid var(--separator); color: var(--text); text-decoration: none; }
.task-index a:hover { color: var(--primary); }
.prose { min-width: 0; }
.prose > h2:first-child, .prose section:first-child h2 { margin-top: 0; }
.prose h2 { margin: 3rem 0 .8rem; font-size: clamp(1.45rem, 3vw, 2rem); line-height: 1.3; letter-spacing: -.015em; }
.prose p { margin: .75rem 0 1.25rem; }
.prose ul { padding-inline-start: 1.4rem; }
.prose li { margin-block: .55rem; }
.numbered section { scroll-margin-top: 1.5rem; padding-bottom: 3.25rem; border-bottom: 1px solid var(--separator); }
.numbered section + section { padding-top: 3.25rem; }
.callout, .pending { margin: 2rem 0; padding: 1.25rem 1.35rem; background: var(--primary-surface); border: 1px solid var(--primary); }
.callout.warning { background: var(--warning-surface); border-color: var(--warning); }
.callout p, .pending p { margin: .35rem 0 0; }
.pending { border-color: var(--border); background: var(--raised); }
.next a, .action-row a { min-height: 2.75rem; display: inline-flex; align-items: center; font-weight: 700; }
.policy-meta { display: grid; gap: .35rem; margin-top: 2rem; padding: 1.25rem; background: var(--surface); border: 1px solid var(--separator); }
.policy-meta span { color: var(--muted); }
.not-found { min-height: 65vh; display: grid; align-content: center; justify-items: start; padding-block: 4rem; }
.not-found-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 7vw, 6rem); }
.not-found-pair .not-found { min-height: 65vh; }
.error-code { margin: 0; color: var(--primary); font-weight: 800; letter-spacing: .1em; }
.not-found h1 { margin-block: .5rem 1rem; }
.not-found h2 { margin-block: .5rem 1rem; font-size: clamp(2rem, 5vw, 3.5rem); line-height: 1.1; }
.not-found > p:not(.error-code, .action-row) { max-width: 35rem; color: var(--muted); }
.action-row { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem 1.5rem; }
.button { padding: .65rem 1rem; background: var(--primary); color: var(--on-primary); text-decoration: none; border-radius: .4rem; }
footer { border-top: 1px solid var(--separator); color: var(--muted); font-size: .9rem; }
.footer-inner { min-height: 6rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
@media (max-width: 48rem) {
  .header-inner { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .75rem .5rem; padding-block: .75rem; }
  .brand { min-width: 0; width: auto; margin-right: 0; }
  .site-header nav { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; }
  .site-header nav a { min-width: 0; justify-content: center; padding-inline: .25rem; text-align: center; white-space: nowrap; font-size: .9375rem; }
  .reading-layout { grid-template-columns: 1fr; }
  .not-found-pair { grid-template-columns: 1fr; padding-block: 3rem; }
  .not-found-pair .not-found { min-height: auto; padding-block: 2rem; }
  .task-index.sticky { position: static; }
  .intro, .page-heading { padding-top: 3rem; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; }
}
@media (forced-colors: active) {
  .status, .callout, .pending, .policy-meta, .site-header nav a[aria-current="page"] { border: 1px solid CanvasText; }
}
@media print {
  .site-header, .task-index, footer, .skip-link { display: none; }
  body { background: white; color: black; font-size: 11pt; }
  .reading-layout { display: block; padding: 0; }
  .page-heading { padding-block: 0 1.5rem; }
  a { color: black; }
}