:root { --ink: #1f2328; --muted: #57606a; --line: #d0d7de; --accent: #0b6e4f; --warn: #fff4d6; --warn-line: #d4a72c; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: #fff; }
.site-head, main, .site-foot { max-width: 46rem; margin: 0 auto; padding: 0 1rem; }
.site-head { padding-block: 1.25rem .5rem; border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; font-size: 1.35rem; color: var(--ink); text-decoration: none; }
.tagline { margin: .2rem 0 .6rem; color: var(--muted); font-size: .95rem; }
.main-nav { display: flex; flex-wrap: wrap; gap: .4rem 1rem; font-size: .92rem; }
a { color: var(--accent); }
.crumbs { font-size: .85rem; color: var(--muted); margin-top: 1rem; }
h1 { line-height: 1.25; }
.draft-banner { max-width: 46rem; margin: 1rem auto 0; padding: .75rem 1rem; background: var(--warn); border: 2px solid var(--warn-line); }
.draft-banner details { margin-top: .4rem; font-size: .92rem; }
.disclosure { background: #f6f8fa; border-left: 4px solid var(--accent); padding: .5rem .9rem; font-size: .92rem; margin: 1rem 0; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 1rem; top: .5rem; background: #fff; padding: .3rem .6rem; border: 2px solid var(--accent); }
.table-wrap { overflow-x: auto; margin: 1rem 0; }
.table-wrap:focus { outline: 2px solid var(--accent); }
table { border-collapse: collapse; font-size: .9rem; width: 100%; }
th, td { border: 1px solid var(--line); padding: .4rem .55rem; vertical-align: top; text-align: left; }
th { background: #f6f8fa; }
.quick-take { background: #f6f8fa; border: 1px solid var(--line); padding: .6rem 1rem; margin: 1rem 0; }
.quick-take h2 { margin-top: .2rem; font-size: 1.15rem; }
details.specs { border: 1px solid var(--line); padding: .4rem .8rem; margin: 1rem 0; }
details.specs > summary { cursor: pointer; font-weight: 600; }
.legend { font-size: .85rem; color: var(--muted); }
/* Narrow screens: each table row becomes a card; cell labels come from data-label (added by build.py). */
@media (max-width: 640px) {
  .table-wrap table, .table-wrap thead, .table-wrap tbody, .table-wrap tr, .table-wrap td { display: block; width: 100%; }
  .table-wrap thead { position: absolute; left: -9999px; }
  .table-wrap tr { border: 1px solid var(--line); margin-bottom: .8rem; }
  .table-wrap td { border: none; border-bottom: 1px solid #eef1f4; display: grid; grid-template-columns: 9.5rem 1fr; gap: .5rem; }
  .table-wrap td::before { content: attr(data-label); font-weight: 600; color: var(--muted); }
  .table-wrap td:first-child { background: #f6f8fa; font-weight: 600; }
}
.note { color: var(--muted); font-size: .92rem; }
.article-foot { margin-top: 2rem; border-top: 1px solid var(--line); }
.site-foot { margin-top: 3rem; padding-block: 1rem 2rem; border-top: 1px solid var(--line); font-size: .9rem; color: var(--muted); }
.site-foot nav { display: flex; flex-wrap: wrap; gap: .3rem 1rem; }