:root {
    font-family: "Outfit", sans-serif;
    color: #17231d;
    background: #e7ebe7;
    font-synthesis: none;
    text-rendering: optimizeLegibility;
    --page: #e7ebe7;
    --muted: #59685f;
    --line: #a2b0a7;
    --primary: #167353;
    --primary-hover: #105c42;
    --focus: #d89a35;
}

* { box-sizing: border-box; }

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    margin: 0;
    background-color: var(--page);
}

a { color: var(--primary); text-underline-offset: 5px; }
a:hover { color: var(--primary-hover); }
a:focus-visible, main:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

.site-header, main, .site-footer {
    width: min(100% - 40px, 1040px);
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px 24px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.site-header a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    color: #17231d;
}

.site-brand { font-size: 22px; font-weight: 600; text-decoration: none; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-header a[aria-current] { color: var(--primary); font-weight: 600; }

.skip-link {
    position: absolute;
    top: 12px;
    left: 20px;
    z-index: 10;
    padding: 12px 16px;
    background: var(--page);
    transform: translateY(-200%);
}

.skip-link:focus { transform: translateY(0); }
main { padding: 54px 0 64px; }
h1 { margin: 0 0 24px; font-size: 42px; font-weight: 600; line-height: 1.14; }
h2 { margin: 32px 0 12px; font-size: 22px; font-weight: 600; }

.topic-list { margin: 0; padding: 0; list-style: none; }
.topic-list a { display: inline-flex; align-items: center; min-height: 44px; font-size: 18px; }
.article-stub { max-width: 720px; }
.stub-note { margin: 0; color: var(--muted); line-height: 1.6; }
.outline { margin: 0; padding-left: 24px; line-height: 1.8; }

.reference-article {
    max-width: 760px;
    margin: 0 auto;
    min-width: 0;
    font-size: 17px;
    line-height: 1.7;
    overflow-wrap: break-word;
}

.reference-article p { margin: 0 0 18px; }
.reference-article h2 {
    margin: 36px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--line);
    font-size: 24px;
    line-height: 1.35;
    scroll-margin-top: 24px;
}
.reference-article h2:focus { outline: none; }
.reference-article h3 { margin: 24px 0 10px; font-size: 19px; font-weight: 600; line-height: 1.4; }
.reference-article ul, .reference-article ol { margin: 0 0 20px; padding-left: 26px; }
.reference-article li + li { margin-top: 6px; }
.reference-article code { font-family: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace; font-size: 0.9em; overflow-wrap: anywhere; }

.reference-article .table-scroll { max-width: 100%; margin: 24px 0; overflow-x: auto; }
.reference-article .table-scroll:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.reference-article table { width: 100%; min-width: 600px; border-collapse: collapse; font-size: 15px; line-height: 1.6; }
.reference-article caption { margin-bottom: 10px; font-size: 17px; font-weight: 600; text-align: left; }
.reference-article th, .reference-article td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.reference-article th { font-weight: 600; }

.contents-desktop { display: none; }
.contents-title { margin: 0 0 12px; font-size: 17px; font-weight: 600; }
.contents-desktop ul, .reference-article .contents-mobile ul { margin: 0; padding: 0; list-style: none; }
.contents-desktop li + li, .reference-article .contents-mobile li + li { margin-top: 4px; }
.contents-desktop a, .contents-mobile a { display: block; padding: 6px 0; font-size: 15px; line-height: 1.5; }
.contents-mobile { margin: 24px 0 32px; }
.contents-mobile summary { padding: 10px 0; cursor: pointer; font-weight: 600; }
.contents-mobile summary:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.contents-mobile nav { padding-top: 8px; }

.reference-article .worked-example { margin: 24px 0; padding: 16px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.worked-example figcaption { margin-bottom: 16px; font-size: 17px; font-weight: 600; line-height: 1.5; }
.reference-article .worked-example p { margin: 16px 0 0; }
.example-views { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 0; }
.example-views dt { margin-bottom: 6px; color: var(--muted); font-size: 14px; line-height: 1.5; }
.example-views dd { margin: 0; }
.reference-article .example-table { min-width: 0; table-layout: fixed; }
.reference-article .example-table th, .reference-article .example-table td { padding: 8px; }
.reference-article .table-scroll-hint { display: none; color: var(--muted); font-size: 14px; }

@media (min-width: 1100px) {
    .reference-layout { display: grid; grid-template-columns: 180px minmax(0, 760px); justify-content: center; align-items: start; gap: 40px; }
    .contents-desktop { display: block; position: sticky; top: 24px; max-height: calc(100vh - 48px); overflow-y: auto; }
    .contents-mobile { display: none; }
}

.site-footer {
    margin: auto auto 0;
    padding: 12px 0 20px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.5;
}

.site-footer a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 640px) {
    .site-header { align-items: flex-start; flex-direction: column; }
    main { padding: 36px 0 44px; }
    h1 { font-size: 32px; }
    .example-views { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .reference-article .table-scroll-hint { display: block; margin-bottom: 8px; }
    .reference-article .table-scroll { margin-top: 8px; }
}