/* Layout: frame, chrome (dark in both themes), grids. Mobile first, logical properties. */
.wrap { inline-size: 100%; max-inline-size: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
main { flex: 1 0 auto; padding-block: 1.5rem 3rem; }
.narrow { max-inline-size: 42rem; }
.stack > * + * { margin-block-start: var(--gap, 1rem); }
.cluster { display: flex; flex-wrap: wrap; gap: var(--gap, .75rem); align-items: center; }
.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr)); }
.split { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: baseline; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: 1.5rem; }
.sticky-bar { position: sticky; inset-block-end: 0; padding-block: .75rem; background: var(--bg); border-block-start: 1px solid var(--divider); }
@media (min-width: 48em) { .sticky-bar { position: static; padding: 0; border: 0; } }

/* chrome */
.chrome { background: var(--chrome-bg); color: var(--on-chrome); }
.chrome a { color: var(--on-chrome); text-decoration: none; }
.chrome a:hover { text-decoration: underline; }
.chrome-top { background: var(--chrome-2); font-size: .875rem; }
.chrome-top .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 0 1rem; }
.langs, .subnav ul, .legal-links { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; }
.chrome-top .help { display: inline-flex; align-items: center; min-block-size: 2.75rem; padding-inline: .5rem; }
/* language menu: <details>, works without JS */
.lang-menu, .site-menu { position: relative; }
.lang-menu > summary, .site-menu > summary { display: inline-flex; gap: .5rem; min-block-size: 2.75rem; padding-inline: .5rem; font-weight: 400; list-style: none; }
.lang-menu > summary::-webkit-details-marker, .site-menu > summary::-webkit-details-marker { display: none; }
.lang-menu > summary::after, .site-menu > summary::after { content: ""; inline-size: .45em; block-size: .45em; border: solid currentColor; border-width: 0 2px 2px 0; transform: translateY(-20%) rotate(45deg); }
.lang-menu[open] > summary::after, .site-menu[open] > summary::after { transform: translateY(20%) rotate(-135deg); }
.chrome-top .lang-list, .chrome-main .site-list { position: absolute; inset-inline-start: 0; inset-block-start: 100%; z-index: 30; min-inline-size: 13rem; max-inline-size: calc(100vw - 2 * var(--gutter)); margin: 0; padding: .25rem 0; list-style: none; background: var(--chrome-2); border: 1px solid var(--chrome-muted); border-radius: var(--radius); box-shadow: 0 .5rem 1.5rem rgb(0 0 0 / .45); }
.lang-list a, .site-list a { display: flex; align-items: center; gap: .75rem; min-block-size: var(--tap); padding-inline: 1rem; }
.lang-list [aria-current="true"] { font-weight: 700; color: var(--accent); }
.lang-list [aria-current="true"]::after { content: "\2713"; margin-inline-start: auto; }
.langs a { display: inline-flex; align-items: center; min-block-size: var(--tap); margin-inline-end: 1rem; }
.langs [aria-current="true"] { font-weight: 700; }
.chrome-main .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .5rem 1.5rem; padding-block: .5rem; }
.brand { display: inline-flex; align-items: center; gap: .5rem; min-block-size: var(--tap); font: 400 clamp(1.5rem, 1.15rem + 1.6vw, 1.875rem)/1 var(--font-display); letter-spacing: .04em; text-transform: uppercase; }
.brand .badge { font: 600 .75rem/1.4 var(--font-body); letter-spacing: .06em; }
.brand img { block-size: 2.5rem; inline-size: auto; }
.site-list .hl a { color: var(--accent); font-weight: 700; }
.chrome-main .site-list { inset-inline: auto 0; }
.subnav .wrap { display: flex; flex-wrap: wrap; align-items: center; gap: 0 .5rem; }
.subnav-label { font-weight: 700; text-transform: uppercase; letter-spacing: .06em; font-size: .8125rem; }
:lang(th) .subnav-label, :lang(hi) .subnav-label, :lang(zh) .subnav-label, :lang(th) .brand, :lang(hi) .brand, :lang(zh) .brand { text-transform: none; }
.subnav { background: var(--surface); border-block-end: 1px solid var(--divider); }
.subnav ul { gap: 0 .25rem; }
.subnav a { display: inline-flex; align-items: center; min-block-size: var(--tap); padding-inline: .75rem; color: var(--text); text-underline-offset: .3em; }
.subnav [aria-current="page"] { font-weight: 700; text-decoration: underline; text-decoration-thickness: .2em; text-decoration-color: var(--focus); }

/* beta banner */
.beta { background: var(--warn-bg); color: var(--text); border-block-end: 3px solid var(--warn); }
.beta .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; justify-content: space-between; padding-block: .5rem; }
.beta p { margin: 0; }

/* footer */
.site-footer { background: var(--chrome-bg); color: var(--on-chrome); padding-block: 2rem; margin-block-start: auto; font-size: .9375rem; }
.site-footer a { color: var(--on-chrome); }
.site-footer h2 { font-size: 1.375rem; letter-spacing: .05em; color: var(--accent); }
.site-footer .grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: 1.5rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li a { display: inline-flex; align-items: center; min-block-size: 2.5rem; }
.site-footer address { font-style: normal; color: var(--chrome-muted); }
.site-footer .fine { border-block-start: 1px solid var(--chrome-muted); margin-block-start: 1.5rem; padding-block-start: 1rem; color: var(--chrome-muted); }
.legal-links { gap: 0 1rem; }