:root {
  --bg: #ffffff; --text: #1c1f24; --muted: #5a616c; --line: #d9dde3; --soft: #f3f5f7;
  --link: #0b57d0; --banner-bg: #fff4d6; --banner-text: #5c4300; --banner-line: #e6c15a;
  --open-bg: #ffe58a; --open-text: #3d2c00; --accent: #e8590c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15181c; --text: #e8eaed; --muted: #a4abb6; --line: #343a42; --soft: #20242a;
    --link: #8ab4f8; --banner-bg: #3a2f10; --banner-text: #ffe7a3; --banner-line: #80671f;
    --open-bg: #5c4a10; --open-text: #fff1bd; --accent: #ff8f50;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans KR", "Noto Sans", "Apple SD Gothic Neo",
    "Malgun Gothic", sans-serif;
  font-size: 1.0625rem; line-height: 1.7; overflow-wrap: break-word; word-break: normal;
}
html[lang="ko"] body { word-break: keep-all; }
a { color: var(--link); }
.top {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .25rem .75rem;
  max-width: 46rem; margin: 0 auto; padding: .5rem max(1rem, env(safe-area-inset-right)) .5rem max(1rem, env(safe-area-inset-left));
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--accent); text-decoration: none; padding: .5rem 0; }
.languages { display: flex; gap: .25rem; }
.languages a {
  display: inline-flex; align-items: center; min-height: 2.75rem; padding: 0 .75rem; border-radius: .5rem;
  text-decoration: none; font-size: .9375rem;
}
.languages a[aria-current] { background: var(--soft); color: var(--text); font-weight: 600; }
.test-banner {
  max-width: 46rem; margin: .75rem auto 0; padding: .75rem 1rem; background: var(--banner-bg); color: var(--banner-text);
  border: 1px solid var(--banner-line); border-radius: .5rem; font-size: .9375rem; line-height: 1.55;
}
@media (max-width: 47.9rem) { .test-banner { margin: .75rem 1rem 0; } }
main { max-width: 46rem; margin: 0 auto; padding: .5rem max(1rem, env(safe-area-inset-right)) 2rem max(1rem, env(safe-area-inset-left)); }
h1 { font-size: 1.5rem; line-height: 1.35; margin: 1.25rem 0 .75rem; }
h2 { font-size: 1.1875rem; line-height: 1.4; margin: 2rem 0 .5rem; padding-top: .75rem; border-top: 1px solid var(--line); }
h3 { font-size: 1.0625rem; line-height: 1.45; margin: 1.5rem 0 .5rem; }
p { margin: .625rem 0; }
ul, ol { margin: .5rem 0; padding-left: 1.5rem; }
li { margin: .375rem 0; }
li > ul, li > ol { margin: .25rem 0; }
blockquote { margin: .75rem 0; padding: .5rem .875rem; background: var(--soft); border-left: 3px solid var(--line); border-radius: .25rem; }
blockquote p { margin: .25rem 0; }
code { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: .9em; background: var(--soft); padding: .05em .3em; border-radius: .25rem; }
mark.open { background: var(--open-bg); color: var(--open-text); padding: .05em .3em; border-radius: .25rem; font-size: .95em; }
.table { overflow-x: auto; margin: .75rem 0; border: 1px solid var(--line); border-radius: .5rem; -webkit-overflow-scrolling: touch; }
.table:focus-visible { outline: 2px solid var(--link); outline-offset: 2px; }
table { border-collapse: collapse; width: 100%; font-size: .9375rem; line-height: 1.55; }
th, td { padding: .5rem .625rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; min-width: 7.5rem; }
th { background: var(--soft); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.foot { max-width: 46rem; margin: 0 auto; padding: 1rem max(1rem, env(safe-area-inset-right)) 2.5rem max(1rem, env(safe-area-inset-left)); border-top: 1px solid var(--line); }
.foot nav { display: flex; flex-direction: column; }
.foot a, .doc-list a { display: flex; align-items: center; min-height: 2.75rem; }
.doc-list { list-style: none; padding: 0; }
.doc-list li { margin: 0; border-bottom: 1px solid var(--line); }
@media print { .languages, .foot { display: none; } body { font-size: 11pt; } }