/* OpenMHS site — design system
   Zero external dependencies, system fonts, light + dark, responsive, AA contrast. */

:root {
  --bg: #fbfbf9; --bg-sunken: #f2f2ee; --surface: #ffffff; --surface-2: #f7f7f3;
  --ink: #101418; --ink-2: #2b333d; --muted: #5b6572; --line: #dfe1d9; --line-strong: #c8cbc1;
  --accent: #1d4ed8; --accent-ink: #ffffff; --accent-soft: #e8eefc; --accent-line: #b9c8f6;
  --good: #0f7a4f; --good-soft: #e4f4ec; --warn: #a35a00; --warn-soft: #fdf1df;
  --bad: #b3261e; --bad-soft: #fce8e6; --info: #0b5cad; --info-soft: #e6f1fb;
  --mark-bg: #1d4ed8; --mark-fg: #ffffff;
  --shadow-sm: 0 1px 2px rgba(16,20,24,.06), 0 1px 3px rgba(16,20,24,.04);
  --shadow-md: 0 6px 18px -6px rgba(16,20,24,.18), 0 2px 6px rgba(16,20,24,.06);
  --radius: 10px; --radius-sm: 6px; --radius-lg: 16px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --measure: 68ch; --header-h: 64px;
}
:root[data-theme="dark"], html[data-theme="dark"] {
  --bg: #0c1118; --bg-sunken: #0a0f15; --surface: #131a23; --surface-2: #172029;
  --ink: #e9edf3; --ink-2: #c9d2dd; --muted: #9aa6b5; --line: #24303d; --line-strong: #35434f;
  --accent: #7aa7ff; --accent-ink: #0a1220; --accent-soft: #17233c; --accent-line: #31456e;
  --good: #5fd39b; --good-soft: #122a20; --warn: #f2b45f; --warn-soft: #2c2113;
  --bad: #ff8b80; --bad-soft: #2f1614; --info: #79b8ff; --info-soft: #10233a;
  --mark-bg: #7aa7ff; --mark-fg: #0a1220;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.4); --shadow-md: 0 8px 24px -8px rgba(0,0,0,.6);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0c1118; --bg-sunken: #0a0f15; --surface: #131a23; --surface-2: #172029;
    --ink: #e9edf3; --ink-2: #c9d2dd; --muted: #9aa6b5; --line: #24303d; --line-strong: #35434f;
    --accent: #7aa7ff; --accent-ink: #0a1220; --accent-soft: #17233c; --accent-line: #31456e;
    --good: #5fd39b; --good-soft: #122a20; --warn: #f2b45f; --warn-soft: #2c2113;
    --bad: #ff8b80; --bad-soft: #2f1614; --info: #79b8ff; --info-soft: #10233a;
    --mark-bg: #7aa7ff; --mark-fg: #0a1220;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--sans);
  font-size: 16px; line-height: 1.6; text-rendering: optimizeLegibility; -webkit-font-smoothing: antialiased; }
img, svg { max-width: 100%; }
h1, h2, h3, h4, h5, h6 { color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 650; letter-spacing: -.015em; }
h1 { font-size: clamp(2rem, 4.2vw, 3rem); }
h2 { font-size: clamp(1.4rem, 2.4vw, 1.85rem); }
h3 { font-size: 1.22rem; } h4 { font-size: 1.05rem; }
p { margin: 0 0 1em; color: var(--ink-2); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
ul, ol { margin: 0 0 1em; padding-left: 1.3em; }
li { margin: .25em 0; color: var(--ink-2); }
hr { border: 0; border-top: 1px solid var(--line); margin: 2rem 0; }
code, kbd, samp, pre { font-family: var(--mono); font-size: .9em; }
:not(pre) > code { background: var(--surface-2); border: 1px solid var(--line);
  padding: .1em .35em; border-radius: 4px; color: var(--ink); word-break: break-word; }
kbd { background: var(--surface-2); border: 1px solid var(--line-strong); border-bottom-width: 2px;
  padding: .05em .4em; border-radius: 5px; font-size: .8em; }
::selection { background: var(--accent-soft); color: var(--ink); }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.muted { color: var(--muted); } .mono { font-family: var(--mono); } .nowrap { white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--bg);
  padding: .6rem 1rem; border-radius: var(--radius-sm); transition: top .15s ease; }
.skip-link:focus { top: 12px; }

.wrap { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 clamp(16px, 4vw, 32px); }
.wrap-narrow { max-width: 820px; }
main { display: block; }
.section { padding: clamp(2.4rem, 6vw, 4.5rem) 0; border-top: 1px solid var(--line); }
.section:first-of-type { border-top: 0; }
.section-head { max-width: var(--measure); margin-bottom: 2rem; }
.section-lead { font-size: 1.08rem; color: var(--muted); max-width: 62ch; }
.eyebrow { margin: 0 0 .9rem; font-size: .78rem; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--accent); }
.section-note { font-size: .9rem; color: var(--muted); max-width: 70ch; }
.page-lead { font-size: clamp(1.05rem, 1.6vw, 1.22rem); color: var(--muted); max-width: 66ch; }
.page-hero { padding-block: clamp(2rem, 5vw, 3.4rem) 2rem; }
.page-hero h1 { max-width: 22ch; }
.page-hero-package { padding-top: 1.4rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 3vw, 2rem); }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(1rem, 2.4vw, 1.6rem); }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
.stack > * + * { margin-top: 1rem; }

.site-header { position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid var(--line); }
.affiliation-banner { background: var(--warn-soft); border-bottom: 1px solid var(--line); }
.affiliation-banner p { margin: 0; padding: .45rem 0; font-size: .8rem; line-height: 1.45; color: var(--ink-2); }
.affiliation-banner a { font-weight: 600; }
.header-inner { display: flex; align-items: center; gap: 1rem; height: var(--header-h); }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--ink); text-decoration: none; font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-mark { flex: 0 0 auto; border-radius: 8px; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: .98rem; letter-spacing: .02em; }
.brand-sub { font-size: .72rem; font-weight: 500; color: var(--muted); letter-spacing: .01em; }
.nav-primary { display: flex; align-items: center; gap: .25rem; margin-left: auto; }
.nav-primary a { color: var(--ink-2); font-size: .9rem; font-weight: 550; padding: .45rem .65rem; border-radius: var(--radius-sm); }
.nav-primary a:hover { background: var(--surface-2); color: var(--ink); text-decoration: none; }
.nav-primary a[aria-current="page"], .nav-primary a.is-active { color: var(--accent); background: var(--accent-soft); }
.header-actions { display: flex; align-items: center; gap: .35rem; margin-left: .5rem; }
.icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px;
  border-radius: 8px; border: 1px solid transparent; background: transparent; color: var(--ink-2); cursor: pointer; padding: 0; }
.icon-btn:hover { background: var(--surface-2); color: var(--ink); }
.icon { width: 18px; height: 18px; display: inline-block; vertical-align: middle; }
.theme-toggle .icon-moon { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: inline-block; }
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .theme-toggle .icon-sun { display: none; }
  html:not([data-theme="light"]) .theme-toggle .icon-moon { display: inline-block; }
}
.header-cta { margin-left: .4rem; }
.menu-btn { display: none; }
.mobile-panel { display: none; border-top: 1px solid var(--line); background: var(--surface);
  padding: .75rem clamp(16px, 4vw, 32px) 1rem; }
.mobile-panel a { display: block; padding: .6rem 0; border-bottom: 1px solid var(--line); color: var(--ink-2); font-weight: 550; }
.mobile-panel a:last-child { border-bottom: 0; }
.nav-disclosure { display: none; }
@media (max-width: 980px) {
  .nav-primary, .header-cta { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; }
  .header-actions { margin-left: 0; }
  .mobile-panel.is-open { display: block; }
}

.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .6rem 1.05rem; border-radius: 999px; border: 1px solid var(--line-strong);
  background: var(--surface); color: var(--ink); font: inherit; font-weight: 600; font-size: .92rem;
  cursor: pointer; text-decoration: none; transition: background .15s ease, border-color .15s ease, transform .06s ease; }
.btn:hover { text-decoration: none; border-color: var(--ink-2); }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.06); border-color: transparent; }
.btn-secondary { background: transparent; color: var(--ink); }
.btn-sm { padding: .4rem .75rem; font-size: .84rem; }
.btn-ghost { border-color: transparent; background: transparent; }
.link-btn { background: none; border: 0; padding: .2rem .1rem; color: var(--accent);
  font: inherit; font-size: .88rem; font-weight: 600; cursor: pointer; }
.link-btn:hover { text-decoration: underline; }

.badge { display: inline-flex; align-items: center; gap: .3rem; padding: .12rem .55rem; border-radius: 999px;
  font-size: .74rem; font-weight: 650; letter-spacing: .02em; border: 1px solid var(--line);
  background: var(--surface-2); color: var(--ink-2); white-space: nowrap; }
.badge-muted { color: var(--muted); background: var(--surface-2); border-color: var(--line); }
.badge-info { color: var(--info); background: var(--info-soft); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.badge-good { color: var(--good); background: var(--good-soft); border-color: color-mix(in srgb, var(--good) 30%, transparent); }
.badge-warn { color: var(--warn); background: var(--warn-soft); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge-bad { color: var(--bad); background: var(--bad-soft); border-color: color-mix(in srgb, var(--bad) 30%, transparent); }
.badge-accent { color: var(--accent); background: var(--accent-soft); border-color: var(--accent-line); }
.pill { display: inline-flex; align-items: center; gap: .35rem; padding: .22rem .6rem; border-radius: 7px;
  font-size: .8rem; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink-2); }
.pill-quiet { background: transparent; border-color: var(--line); color: var(--muted); }
.pill-list, .cap-chip-list { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; padding: 0; margin: 0; }
.pill-list li { margin: 0; }
.cap-chip { display: inline-flex; align-items: center; padding: .16rem .5rem; border-radius: 6px;
  background: var(--surface-2); border: 1px solid var(--line); font-family: var(--mono);
  font-size: .74rem; color: var(--ink-2); white-space: nowrap; }
.cap-chip:hover { border-color: var(--accent-line); color: var(--accent); text-decoration: none; }
.cap-chip-muted { color: var(--muted); }
.mode-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .16rem .55rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink-2); }
.mode-chip::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.mode-simulated { color: var(--info); border-color: color-mix(in srgb, var(--info) 30%, transparent); background: var(--info-soft); }
.mode-hardware { color: var(--good); border-color: color-mix(in srgb, var(--good) 30%, transparent); background: var(--good-soft); }
.mode-replay { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); background: var(--warn-soft); }
.mode-hybrid { color: var(--accent); border-color: var(--accent-line); background: var(--accent-soft); }
.mode-none { color: var(--muted); }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--good); margin-right: .4rem; }

.hero { padding: clamp(3rem, 8vw, 6rem) 0 clamp(2rem, 5vw, 4rem); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3.5rem); align-items: center; }
.hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); letter-spacing: -.03em; max-width: 20ch; }
.hero-kicker { display: inline-flex; align-items: center; gap: .5rem; font-size: .8rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 1rem; }
.hero-lead { font-size: clamp(1.05rem, 1.7vw, 1.28rem); color: var(--ink-2); max-width: 58ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .7rem; margin-top: 1.6rem; }
.hero-aside { position: relative; }
.hero-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; }
.fact { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: .9rem 1rem; box-shadow: var(--shadow-sm); }
.fact strong { display: block; font-size: 1.35rem; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.fact span { font-size: .8rem; color: var(--muted); }
.hero-code { margin-top: 1rem; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; } }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(1rem, 2.4vw, 1.5rem); box-shadow: var(--shadow-sm); }
.card h3 { margin-top: 0; }
.card-quiet { background: var(--surface-2); box-shadow: none; }
.feature-icon { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px;
  border-radius: 9px; background: var(--accent-soft); color: var(--accent); margin-bottom: .8rem; }
.callout { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: .9rem;
  border: 1px solid var(--line); border-left: 3px solid var(--accent); background: var(--surface);
  border-radius: var(--radius-sm); padding: 1rem 1.1rem; margin: 1.4rem 0; }
.callout-icon { color: var(--accent); display: flex; align-items: flex-start; padding-top: .1rem; }
.callout-title { margin: 0 0 .25rem; font-weight: 650; font-size: .97rem; }
.callout-body p:last-child { margin-bottom: 0; }
.callout-note { border-left-color: var(--info); } .callout-note .callout-icon { color: var(--info); }
.callout-warn { border-left-color: var(--warn); background: var(--warn-soft); } .callout-warn .callout-icon { color: var(--warn); }
.callout-danger { border-left-color: var(--bad); background: var(--bad-soft); } .callout-danger .callout-icon { color: var(--bad); }
.aside-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow-sm); }
.aside-card + .aside-card { margin-top: 1rem; }
.aside-card h2, .aside-card h3 { font-size: .95rem; margin: 0 0 .6rem; }
.aside-facts { margin: 0; }
.aside-facts dt { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-top: .65rem; }
.aside-facts dd { margin: .15rem 0 0; font-size: .9rem; color: var(--ink-2); word-break: break-word; }
.aside-links { list-style: none; padding: 0; margin: 0; }
.aside-links li { margin: .35rem 0; } .aside-links a { font-size: .88rem; }
.aside-contribute p { font-size: .88rem; color: var(--muted); }
.text-link { font-weight: 600; font-size: .9rem; display: inline-flex; align-items: center; gap: .3rem; }
.text-link .icon { width: 15px; height: 15px; }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); margin: 1.4rem 0; }
table { border-collapse: collapse; width: 100%; font-size: .91rem; }
caption { caption-side: top; text-align: left; padding: .8rem 1rem 0; color: var(--muted); font-size: .85rem; }
th, td { text-align: left; padding: .62rem .85rem; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: var(--surface-2); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); position: sticky; top: 0; }
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody tr:hover { background: color-mix(in srgb, var(--surface-2) 60%, transparent); }
.matrix-full td:first-child { font-family: var(--mono); font-size: .82rem; }
.table-sub { display: block; font-size: .78rem; color: var(--muted); font-weight: 400; }
td code { font-size: .82rem; }

.codeblock { position: relative; margin: 1.3rem 0; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface-2); overflow: hidden; }
.codeblock-bar { display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: .4rem .8rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.code-lang { font-family: var(--mono); font-size: .72rem; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.codeblock pre { margin: 0; padding: .9rem 1rem; overflow-x: auto; line-height: 1.55; font-size: .84rem; }
.codeblock pre code { background: none; border: 0; padding: 0; }
.copy-btn { border: 1px solid var(--line); background: var(--surface); color: var(--muted);
  border-radius: 6px; font-size: .72rem; padding: .18rem .5rem; cursor: pointer; font-family: var(--sans); }
.copy-btn:hover { color: var(--ink); border-color: var(--line-strong); }
.code-editor { width: 100%; min-height: 260px; resize: vertical; padding: .9rem 1rem;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2);
  color: var(--ink); font-family: var(--mono); font-size: .82rem; line-height: 1.55; }
.code-editor:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.doc-body { max-width: 78ch; }
.doc-body h1 { margin-top: 0; }
.doc-body h2 { margin-top: 2.6rem; padding-top: .4rem; border-top: 1px solid var(--line); }
.doc-body h3 { margin-top: 1.9rem; } .doc-body h4 { margin-top: 1.4rem; }
.doc-body p, .doc-body li { font-size: 1.01rem; }
.doc-body table { font-size: .86rem; }
.doc-body blockquote { margin: 1.4rem 0; padding: .4rem 1.1rem; border-left: 3px solid var(--accent-line);
  background: var(--surface-2); color: var(--ink-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.doc-body hr { margin: 2.4rem 0; }
.heading-anchor { opacity: 0; margin-left: .4rem; font-weight: 400; color: var(--muted); text-decoration: none; }
h2:hover .heading-anchor, h3:hover .heading-anchor, h4:hover .heading-anchor, h2:focus-within .heading-anchor, h3:focus-within .heading-anchor, h4:focus-within .heading-anchor { opacity: 1; }
.heading-anchor:focus { opacity: 1; }
.doc-layout { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; max-width: 1240px; margin-inline: auto; }
.toc { position: sticky; top: calc(var(--header-h) + 1.2rem); max-height: calc(100vh - var(--header-h) - 3rem);
  overflow-y: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; }
.toc h2 { font-size: .74rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 .6rem; }
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { margin: .15rem 0; }
.toc-list a { display: block; padding: .22rem .4rem; border-radius: 5px; color: var(--ink-2); font-size: .84rem; border-left: 2px solid transparent; }
.toc-list a:hover { background: var(--surface-2); text-decoration: none; color: var(--ink); }
.toc-list a.is-active { color: var(--accent); border-left-color: var(--accent); background: var(--accent-soft); }
.toc-level-2 { padding-left: 0; } .toc-level-3 { padding-left: .8rem; font-size: .8rem; }
.toc-mobile { display: none; }
.doc-meta { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.6rem; }
.nav-doc-id { font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.pager { display: flex; justify-content: space-between; gap: 1rem; border-top: 1px solid var(--line); margin-top: 3rem; padding-top: 1.2rem; }
.pager a { display: flex; flex-direction: column; gap: .15rem; max-width: 48%; }
.pager-next { text-align: right; margin-left: auto; }
.pager span { font-size: .74rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.pager strong { font-weight: 600; color: var(--ink); }
@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .toc { display: none; }
  .toc-mobile { display: block; margin: 1rem 0; }
}

.package-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(1.4rem, 3vw, 2.6rem); align-items: start; }
.package-badges { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0 0 1rem; }
.package-summary-kicker { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); margin: 0 0 .35rem; }
.package-summary { font-size: 1.06rem; color: var(--ink-2); max-width: 62ch; }
.package-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 1.3rem; }
.package-layout, .family-layout { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.package-main, .family-main { min-width: 0; }
.package-aside, .family-aside { position: sticky; top: calc(var(--header-h) + 1.2rem); }
.package-section { border-top: 1px solid var(--line); padding-top: 1.8rem; margin-top: 1.8rem; }
.package-section:first-child { border-top: 0; padding-top: 0; margin-top: 0; }
.package-section h2 { font-size: 1.2rem; }
.next-action { border: 1px solid var(--accent-line); background: var(--accent-soft); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 1.2rem 0; }
.next-action-kicker { margin: 0 0 .3rem; font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); font-weight: 700; }
.steps { counter-reset: step; list-style: none; padding: 0; margin: 1rem 0; }
.steps li { counter-increment: step; position: relative; padding-left: 2.1rem; margin: .55rem 0; }
.steps li::before { content: counter(step); position: absolute; left: 0; top: .1rem; width: 1.45rem; height: 1.45rem;
  border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: .76rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center; }
.recipe-ref { font-size: .92rem; }
.manifest-state { margin: 1rem 0; }
.manifest-source { font-size: .85rem; color: var(--muted); }
.evidence-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .7rem; margin-top: 1rem; }
.evidence-grid > div { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .6rem .7rem; }
.evidence-grid dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.evidence-grid dd { margin: .15rem 0 0; font-size: .86rem; word-break: break-word; }
@media (max-width: 980px) {
  .package-layout, .family-layout, .package-hero-grid { grid-template-columns: 1fr; }
  .package-aside, .family-aside { position: static; }
}

.page-hero-family .family-hero-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 2rem; align-items: start; }
.family-summary { font-size: 1.05rem; color: var(--ink-2); max-width: 62ch; }
.family-card { display: flex; flex-direction: column; gap: .5rem; border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface); padding: 1rem 1.1rem; box-shadow: var(--shadow-sm); }
.family-card:hover { border-color: var(--accent-line); }
.family-card-top { display: flex; align-items: baseline; justify-content: space-between; gap: .6rem; }
.family-card h2, .family-card h3 { font-size: 1.02rem; margin: 0; }
.family-count { font-size: .78rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.family-modes { display: flex; gap: .35rem; flex-wrap: wrap; }
.family-card-foot { margin-top: auto; }
.recipe-body { max-width: 78ch; }
.family-quick { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1.4rem; }
.family-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .3rem .65rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); font-size: .82rem; color: var(--ink-2); }
.family-chip:hover { border-color: var(--accent-line); color: var(--accent); text-decoration: none; }
.family-chip span { color: var(--muted); font-size: .74rem; font-variant-numeric: tabular-nums; }
.family-chip-all { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-line); font-weight: 600; }
@media (max-width: 900px) { .page-hero-family .family-hero-grid { grid-template-columns: 1fr; } }

.registry-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 2rem; align-items: start; }
.registry-hero-stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .6rem; }
.registry-hero-stats > div { border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-sm); padding: .7rem .8rem; }
.registry-hero-stats strong { display: block; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.registry-hero-stats span { font-size: .76rem; color: var(--muted); }
.registry-layout { display: grid; grid-template-columns: 288px minmax(0, 1fr); gap: clamp(1.2rem, 3vw, 2.2rem); align-items: start; padding-top: 2rem; }
.filter-panel { position: sticky; top: calc(var(--header-h) + 1.2rem); border: 1px solid var(--line);
  border-radius: var(--radius); background: var(--surface); padding: 1rem; box-shadow: var(--shadow-sm); }
.filter-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: .8rem; }
.filter-head h2 { font-size: .95rem; margin: 0; }
.filter-field { margin-bottom: .9rem; }
.filter-field label { display: block; font-size: .78rem; font-weight: 650; color: var(--ink-2); margin-bottom: .3rem; }
.filter-field select, .filter-field input[type="search"], .filter-field input[type="text"] {
  width: 100%; padding: .5rem .6rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--ink); font: inherit; font-size: .88rem; }
.filter-group { border: 0; padding: 0; margin: 0 0 .8rem; }
.filter-group summary { cursor: pointer; font-weight: 650; font-size: .86rem; padding: .2rem 0 .6rem; color: var(--ink-2); }
.filter-count { color: var(--muted); font-weight: 400; font-size: .78rem; }
.field-hint { font-size: .76rem; color: var(--muted); margin: .3rem 0 0; }
.search-input-wrap { position: relative; }
.search-input-wrap .icon { position: absolute; left: .55rem; top: 50%; transform: translateY(-50%); color: var(--muted); pointer-events: none; }
.search-input-wrap input { padding-left: 2rem !important; }
.registry-main { min-width: 0; }
.results-toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .8rem; justify-content: space-between; margin-bottom: 1rem; }
.results-count { margin: 0; font-size: .88rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.active-filters { display: flex; flex-wrap: wrap; gap: .35rem; }
.active-chip { display: inline-flex; align-items: center; gap: .35rem; padding: .18rem .55rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-line); font-size: .76rem; }
.active-chip button { background: none; border: 0; color: inherit; cursor: pointer; font-size: .9rem; line-height: 1; padding: 0; }
.registry-loading { display: flex; align-items: center; gap: .8rem; color: var(--muted); padding: 2rem 0; }
.spinner { width: 16px; height: 16px; border-radius: 50%; border: 2px solid var(--line-strong);
  border-top-color: var(--accent); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.result-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .7rem; }
.result-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: .9rem 1.05rem; box-shadow: var(--shadow-sm); }
.result-card:hover { border-color: var(--accent-line); }
.result-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; margin-bottom: .35rem; }
.result-title { font-size: 1rem; font-weight: 650; margin: 0; }
.result-title a { color: var(--ink); } .result-title a:hover { color: var(--accent); text-decoration: none; }
.result-meta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; font-size: .78rem; color: var(--muted); }
.result-desc { margin: .4rem 0 .5rem; font-size: .88rem; color: var(--muted);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.result-foot { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.result-owner { font-family: var(--mono); font-size: .76rem; color: var(--muted); }
.empty-state { text-align: center; padding: 3rem 1rem; border: 1px dashed var(--line-strong); border-radius: var(--radius); }
.empty-state h2 { font-size: 1.1rem; }
.pagination { display: flex; flex-wrap: wrap; gap: .3rem; align-items: center; margin-top: 1.4rem; }
.pagination a, .pagination span, .pagination button { min-width: 34px; height: 34px; padding: 0 .6rem;
  display: inline-flex; align-items: center; justify-content: center; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--surface); font-size: .84rem; color: var(--ink-2); font: inherit; }
.pagination a:hover, .pagination button:hover { border-color: var(--accent-line); color: var(--accent); text-decoration: none; }
.pagination .is-current, .pagination [aria-current="page"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 650; }
.pagination .is-gap { border-color: transparent; background: transparent; }
.registry-notes { padding: 2.4rem 0 3rem; }
.notes-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1.2rem; }
.notes-grid h2 { font-size: 1rem; }
.registry-coverage { margin-top: 1.4rem; }
@media (max-width: 980px) {
  .registry-layout { grid-template-columns: 1fr; }
  .filter-panel { position: static; }
  .notes-grid { grid-template-columns: 1fr; }
  .registry-hero-grid { grid-template-columns: 1fr; }
}

.cap-toolbar { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; justify-content: space-between; margin: 1.2rem 0; }
.cap-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.cap-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 1rem 1.1rem; box-shadow: var(--shadow-sm); scroll-margin-top: calc(var(--header-h) + 1rem); }
.cap-card-top { display: flex; flex-wrap: wrap; align-items: center; gap: .45rem; margin-bottom: .35rem; }
.cap-card h2, .cap-card h3 { margin: 0; font-size: 1rem; }
.cap-card p { margin: .35rem 0 .6rem; font-size: .89rem; }
.cap-card-foot { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; margin-top: .6rem; }
.verb-tag { display: inline-flex; align-items: center; padding: .1rem .45rem; border-radius: 4px;
  background: var(--surface-2); border: 1px solid var(--line); font-family: var(--mono);
  font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.cap-risk { display: inline-flex; align-items: center; gap: .25rem; font-size: .74rem; color: var(--muted); }
.test-detail { margin-top: .6rem; }
.test-detail summary { cursor: pointer; font-size: .82rem; color: var(--muted); }
.test-detail pre { max-height: 320px; overflow: auto; }
.domain-section { margin-top: 2.4rem; scroll-margin-top: calc(var(--header-h) + 1rem); }
.domain-section h2 { text-transform: capitalize; }
@media (max-width: 880px) { .cap-grid { grid-template-columns: 1fr; } }

.playground-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1rem, 3vw, 2rem); align-items: start; padding-top: 1.4rem; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .7rem .9rem;
  border-bottom: 1px solid var(--line); background: var(--surface-2); }
.panel-head h2 { font-size: .92rem; margin: 0; }
.request-actions { display: flex; gap: .5rem; }
.scenario-groups { padding: .8rem .9rem 0; display: flex; flex-direction: column; gap: .6rem; }
.scenario-group { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.scenario-group-label { margin: 0; width: 100%; font-size: .7rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; }
.scenario-btn { border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  border-radius: 999px; padding: .25rem .6rem; font-size: .78rem; font-family: inherit; cursor: pointer; }
.scenario-btn:hover { border-color: var(--accent-line); color: var(--accent); }
.scenario-btn.is-active { background: var(--accent-soft); border-color: var(--accent-line); color: var(--accent); }
.playground-editor { padding: .9rem; }
.playground-editor .code-editor { min-height: 220px; }
.panel-body { padding: .9rem; }
.response-status { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-bottom: .7rem; }
.response-json { margin: 0; max-height: 380px; overflow: auto; font-size: .8rem; background: var(--surface-2);
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .8rem; }
.receipt-card { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .8rem; margin: 1rem 0; }
.receipt-card h3 { font-size: .9rem; margin: 0 0 .5rem; }
.receipt-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; margin: 0; }
.receipt-grid dt { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.receipt-grid dd { margin: .1rem 0 0; font-family: var(--mono); font-size: .78rem; word-break: break-all; }
.receipt-note { margin: .6rem 0 0; font-size: .82rem; color: var(--muted); }
.state-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; margin: 0 0 1rem; }
.state-grid dt { font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.state-grid dd { margin: .1rem 0 0; font-family: var(--mono); font-size: .8rem; }
.event-log { list-style: none; margin: 0; padding: 0; max-height: 220px; overflow-y: auto; font-family: var(--mono); font-size: .76rem; }
.event-log li { padding: .3rem .2rem; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.event-log li:last-child { border-bottom: 0; }
.event-log time { color: var(--muted); margin-right: .5rem; }
.playground-note { font-size: .85rem; color: var(--muted); margin: 1rem 0 0; }
@media (max-width: 1000px) { .playground-layout { grid-template-columns: 1fr; } }

.search-hero { padding: 2rem 0 1rem; }
.search-box { display: flex; gap: .6rem; margin: 1.2rem 0 1rem; }
.search-box input { flex: 1; padding: .8rem 1rem; border: 1px solid var(--line-strong); border-radius: var(--radius);
  background: var(--surface); color: var(--ink); font: inherit; font-size: 1.02rem; }
.search-results { list-style: none; margin: 1.4rem 0 0; padding: 0; display: flex; flex-direction: column; gap: .6rem; }
.search-result { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .8rem 1rem; }
.search-result h2 { font-size: .98rem; margin: 0 0 .2rem; }
.search-result p { margin: 0; font-size: .86rem; color: var(--muted); }
.search-result .badge { margin-bottom: .3rem; }
.search-suggestions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.search-count { color: var(--muted); font-size: .88rem; }

.matrix { width: 100%; border-collapse: collapse; margin: 1.4rem 0; font-size: .85rem; }
.matrix th, .matrix td { border: 1px solid var(--line); padding: .5rem .6rem; text-align: center; }
.matrix th:first-child, .matrix td:first-child { text-align: left; }
.matrix thead th { background: var(--surface-2); }
.matrix .yes { color: var(--good); font-weight: 700; }
.matrix .no { color: var(--muted); }
.matrix .partial { color: var(--warn); font-weight: 600; }
.report-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem 1.1rem; }
.report-card h3 { font-size: .98rem; margin: 0 0 .3rem; }
.report-digest { font-family: var(--mono); font-size: .74rem; color: var(--muted); word-break: break-all; }

.about-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.download-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.download-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 1.1rem; display: flex; flex-direction: column; gap: .5rem; }
.download-card h2 { font-size: 1rem; margin: 0; }
.download-card .btn { margin-top: auto; align-self: flex-start; }
.license-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .8rem; }
.license-list div { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .8rem; background: var(--surface-2); font-size: .86rem; }
@media (max-width: 900px) { .about-grid, .download-grid, .license-list { grid-template-columns: 1fr; } }

.site-footer { border-top: 1px solid var(--line); background: var(--bg-sunken); padding: 3rem 0 2rem; margin-top: 3rem; }
.footer-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr)); gap: clamp(1.2rem, 3vw, 2.4rem); }
.footer-brand strong { font-size: 1rem; display: block; margin-bottom: .25rem; }
.footer-brand p { font-size: .86rem; color: var(--muted); max-width: 34ch; }
.footer-def { font-size: .84rem; color: var(--muted); }
.footer-head { font-size: .76rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); margin: 0 0 .6rem; font-weight: 700; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin: .3rem 0; } .footer-links a { color: var(--ink-2); font-size: .87rem; }
.footer-status { display: flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--muted); margin-top: 1rem; }
.footer-legal { border-top: 1px solid var(--line); margin-top: 2.2rem; padding-top: 1.2rem; display: flex;
  flex-wrap: wrap; gap: .8rem; justify-content: space-between; font-size: .78rem; color: var(--muted); }
@media (max-width: 860px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .footer-grid { grid-template-columns: 1fr; } }

.mt-0 { margin-top: 0 !important; } .mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.6rem; }
.mb-0 { margin-bottom: 0 !important; } .mb-2 { margin-bottom: 1rem; }
.flex { display: flex; } .flex-wrap { flex-wrap: wrap; } .items-center { align-items: center; }
.gap-1 { gap: .4rem; } .gap-2 { gap: .8rem; }
.hidden { display: none !important; } [hidden] { display: none !important; }
.center { text-align: center; } .measure { max-width: var(--measure); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
}
@media print {
  .site-header, .site-footer, .filter-panel, .pagination, .skip-link { display: none; }
  body { background: #fff; color: #000; }
  a { color: #000; text-decoration: underline; }
}

/* ============================================================ components
   Page-specific components generated by build.py (home, docs index, spec,
   conformance, playground, search, about, governance, download, registry). */

/* icons + breadcrumbs + pagers */
.icon-external { width: 13px; height: 13px; margin-left: .15rem; opacity: .8; vertical-align: -1px; }
.search-link { color: var(--muted); }
.breadcrumb { margin: 0 0 1.2rem; font-size: .82rem; color: var(--muted); }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .35rem; list-style: none; margin: 0; padding: 0; }
.breadcrumb li { margin: 0; }
.breadcrumb li + li::before { content: "/"; margin-right: .35rem; color: var(--line-strong); }
.breadcrumb a { color: var(--muted); }
.breadcrumb a:hover { color: var(--accent); }
.pager-prev { margin-right: auto; }
.pager a:hover { text-decoration: none; }
.pager a:hover strong { color: var(--accent); }
.card-numbered { position: relative; padding-top: 2.4rem; }
.card-index { position: absolute; top: 1rem; left: 1.1rem; font-family: var(--mono); font-size: .74rem; color: var(--muted); letter-spacing: .08em; }
.card-answer { border-left: 3px solid var(--accent); padding-left: 1rem; }
.split-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1rem; margin-bottom: 1.4rem; }
.split-link { margin-left: auto; }

/* home hero panel + terminal */
.page-home .hero-bg { position: relative; }
.hero-copy { max-width: 62ch; }
.hero-definition { font-size: 1.08rem; color: var(--ink-2); border-left: 3px solid var(--accent); padding-left: 1rem; margin: 1.2rem 0 1.6rem; }
.hero-meta { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin-top: 1rem; font-size: .82rem; color: var(--muted); }
.hero-panel { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-md); overflow: hidden; }
.hero-panel-note { padding: .6rem 1rem; border-top: 1px solid var(--line); background: var(--surface-2); font-size: .78rem; color: var(--muted); }
.hero-stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .8rem; margin: 2.2rem 0 0; }
.hero-stats .stat { text-align: left; }
.terminal { font-family: var(--mono); font-size: .8rem; background: #0d1420; color: #dbe5f1; }
.terminal-bar { display: flex; align-items: center; gap: .6rem; padding: .5rem .8rem; background: #111a28; border-bottom: 1px solid #1d2a3b; }
.term-dots { display: inline-flex; gap: .3rem; }
.term-dots span { width: 9px; height: 9px; border-radius: 50%; background: #33445c; }
.term-dots span:nth-child(1) { background: #ff6b6b; } .term-dots span:nth-child(2) { background: #ffd166; } .term-dots span:nth-child(3) { background: #5fd39b; }
.terminal-title { color: #93a6bd; font-size: .74rem; }
.terminal-mode { margin-left: auto; font-size: .7rem; color: #93a6bd; }
.terminal-body { margin: 0; padding: .9rem 1rem; overflow-x: auto; line-height: 1.65; white-space: pre-wrap; }
.terminal-body code { background: none; border: 0; color: inherit; }
.terminal-divider { color: #33445c; }
.terminal-foot { border-top: 1px solid #1d2a3b; padding: .55rem 1rem; font-size: .74rem; color: #93a6bd; }
.term-warn { color: #ffd166; } .term-ok { color: #5fd39b; }
.tok-key { color: #9ecbff; } .tok-str { color: #a5e6a5; } .tok-num { color: #ffc98b; } .tok-ok { color: #5fd39b; }
.terminal-comment { color: #7387a0; }

/* stats blocks */
.stat, .mini-stat { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: .8rem .9rem; }
.stat-value { display: block; font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.stat-label { display: block; font-size: .78rem; color: var(--muted); line-height: 1.35; }
.mini-stat { padding: .55rem .7rem; font-size: .82rem; color: var(--muted); }
.count { font-variant-numeric: tabular-nums; }

/* surfaces (three control surfaces on home) */
.surface-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.surface { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1.2rem; box-shadow: var(--shadow-sm); }
.surface-icon { width: 34px; height: 34px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; margin-bottom: .7rem; }
.surface-kicker { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; margin: 0 0 .2rem; }
.surface h3 { margin: 0 0 .4rem; }
.surface-links { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: .8rem; font-size: .84rem; }

/* capability statement diagram */
.capability-statement { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); padding: clamp(1rem, 3vw, 2rem); box-shadow: var(--shadow-sm); }
.capability-diagram { display: grid; grid-template-columns: 1fr auto 1.3fr auto 1fr; gap: 1rem; align-items: center; margin-top: 1.2rem; }
.cap-agent, .cap-capability, .cap-contract { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: .9rem; }
.cap-contract { min-width: 0; }
.cap-merge { display: flex; flex-direction: column; gap: .3rem; color: var(--muted); font-size: .78rem; text-align: center; }
.contract-spine { display: flex; flex-direction: column; gap: .45rem; margin-top: .6rem; }
.spine-label { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.spine-line { height: 2px; background: var(--accent); border-radius: 2px; }
.spine-caption { font-size: .78rem; color: var(--muted); }
.diagram-kicker, .diag-kicker { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; }
.diag-title { font-weight: 650; margin: .2rem 0 .4rem; }
.diag-text, .diag-chip-text { font-size: .84rem; color: var(--muted); }
.diag-chip { display: inline-flex; align-items: center; gap: .3rem; padding: .15rem .45rem; border-radius: 5px; background: var(--surface-2); border: 1px solid var(--line); font-size: .74rem; }
.diag-box, .diag-host, .diag-binding, .diag-contract, .diag-adapter, .diag-equipment, .diag-ledger {
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: .6rem .7rem; font-size: .82rem;
}
.diag-contract { border-color: var(--accent-line); background: var(--accent-soft); }
.diag-arrow { color: var(--muted); display: flex; align-items: center; justify-content: center; }
.diag-arrow-line { height: 1px; background: var(--line-strong); flex: 1; }
.arch-stack { display: flex; flex-direction: column; gap: .5rem; }
.arch-stack-contract { border-color: var(--accent-line); }
.arch-down { text-align: center; color: var(--muted); font-size: .8rem; }
.arch-desktop { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; background: var(--surface); }
.arch-mobile { display: grid; gap: .5rem; }

/* dual-world section */
.dual-panel { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.2rem; }
.dual-copy { max-width: 66ch; }
.dual-graphic { display: grid; grid-template-columns: 1fr auto 1fr; gap: .8rem; align-items: center; }
.world-hardware, .world-sim { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; background: var(--surface); }
.world-sim { border-style: dashed; border-color: var(--accent-line); }
.world-tag { display: inline-flex; font-family: var(--mono); font-size: .72rem; padding: .1rem .4rem; border-radius: 4px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); }
.world-note { font-size: .78rem; color: var(--muted); margin: .5rem 0 0; }
.mode-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; margin-top: 1rem; }
.mode-head { background: var(--surface-2); padding: .5rem .8rem; font-size: .76rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 700; }
.mode-row { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; padding: .5rem .8rem; border-top: 1px solid var(--line); font-size: .86rem; }
.fidelity-chips { display: flex; flex-wrap: wrap; gap: .35rem; margin-top: .6rem; }
.section-dark { background: #0c1118; color: #e9edf3; }
.section-dark h2, .section-dark h3, .section-dark p { color: inherit; }
.section-dark .section-lead, .on-dark-muted { color: #9aa6b5; }
.btn-on-dark { border-color: #3a4a5e; background: transparent; color: #e9edf3; }
.btn-on-dark:hover { border-color: #7aa7ff; color: #fff; }
.btn-ghost-dark { border-color: transparent; background: transparent; color: #9aa6b5; }

/* conformance ladder + rings */
.conformance-grid, .level-grid, .decision-grid, .principle-grid, .audience-grid, .convention-grid, .suggestion-grid, .example-grid, .family-grid, .install-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.ladder { display: flex; flex-direction: column; gap: .5rem; }
.ladder-step { display: grid; grid-template-columns: 84px minmax(0, 1fr) auto; gap: .8rem; align-items: center;
  border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .6rem .8rem; background: var(--surface); }
.ladder-level { font-family: var(--mono); font-weight: 700; color: var(--accent); }
.ladder-body { min-width: 0; font-size: .88rem; }
.ladder-tag { font-size: .74rem; color: var(--muted); }
.level-card, .level-mini { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; }
.level-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.level-badge { display: inline-flex; align-items: center; padding: .12rem .5rem; border-radius: 999px; font-family: var(--mono); font-weight: 700; font-size: .78rem; background: var(--accent); color: var(--accent-ink); }
.level-evidence { font-size: .82rem; color: var(--muted); margin: .4rem 0 0; }
.ring-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: 1.4rem; align-items: start; }
.rings { display: flex; flex-direction: column; gap: .6rem; }
.ring-row { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: .8rem; align-items: center; }
.ring-label { font-size: .84rem; font-weight: 600; }
.ring-bar { height: 10px; border-radius: 999px; background: var(--accent); opacity: .85; min-width: 6px; }
.ring-meta { grid-column: 2; font-size: .78rem; color: var(--muted); margin-top: -.35rem; }
.ring-num, .ring-aside-kicker { font-family: var(--mono); font-size: .78rem; color: var(--muted); }
.ring-aside, .status-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: 1rem; }

/* status markers */
.status-marker { display: inline-flex; align-items: center; gap: .4rem; font-size: .8rem; font-weight: 600; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--good); }
.status-good { color: var(--good); } .status-warn { color: var(--warn); } .status-bad { color: var(--bad); }
.state-label { font-size: .74rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.status-inline { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; font-size: .84rem; color: var(--muted); }
.status-links { margin-top: .8rem; display: flex; flex-wrap: wrap; gap: .8rem; font-size: .84rem; }

/* CTA band, 404 */
.cta-band { margin: 3rem 0 0; padding: clamp(1.6rem, 4vw, 2.6rem); border-radius: var(--radius-lg); background: var(--accent); color: var(--accent-ink); }
.cta-band h2 { color: inherit; }
.cta-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem; justify-content: space-between; }
.cta-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.cta-band .btn-secondary { border-color: rgba(255,255,255,.45); color: var(--accent-ink); }
.notfound { padding: clamp(3rem, 8vw, 6rem) 0; }
.notfound-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 2rem; align-items: center; }

/* tick lists, checklists, steps */
.tick-list, .checklist-list, .disclaimer-list, .legend-list { list-style: none; padding: 0; margin: 1rem 0; }
.tick-list li, .checklist-list li, .disclaimer-list li { position: relative; padding-left: 1.6rem; margin: .45rem 0; }
.tick-list li::before, .checklist-list li::before { content: "✓"; position: absolute; left: 0; color: var(--good); font-weight: 700; }
.disclaimer-list li::before { content: "!"; position: absolute; left: 0; color: var(--warn); font-weight: 700; }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: .8rem; }
.step-card { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: .8rem .9rem; }
.cert-steps, .cert-num { }
.cert-steps { list-style: none; padding: 0; margin: 1.2rem 0; display: grid; gap: .8rem; }
.cert-steps > li { display: grid; grid-template-columns: 44px minmax(0, 1fr); gap: .8rem; align-items: start;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: .8rem .9rem; }
.cert-num { font-family: var(--mono); font-weight: 700; color: var(--accent); font-size: .9rem; }
.callout-bad { border-left-color: var(--bad); background: var(--bad-soft); }

/* risks + status + matrix */
.risk-r0, .risk-r1, .risk-r2, .risk-r3 { font-family: var(--mono); font-size: .74rem; font-weight: 700; padding: .05rem .35rem; border-radius: 4px; }
.risk-r0 { color: var(--muted); background: var(--surface-2); }
.risk-r1 { color: var(--good); background: var(--good-soft); }
.risk-r2 { color: var(--warn); background: var(--warn-soft); }
.risk-r3 { color: var(--bad); background: var(--bad-soft); }
.status-col { font-size: .82rem; }
.status-col .status-good, .status-col .status-warn, .status-col .status-bad { font-weight: 600; }
.matrix-table { width: 100%; }
.matrix-partial { color: var(--warn); font-weight: 600; }
.matrix-none { color: var(--muted); }
.profile-table { width: 100%; font-size: .86rem; }

/* docs index (spec landing page) */
.page-hero-docs .doc-hero-stats { display: flex; flex-wrap: wrap; gap: 1.2rem; margin-top: 1.4rem; }
.doc-layout-simple { display: block; }
.doc-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1rem; }
.doc-card { display: flex; flex-direction: column; gap: .4rem; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); padding: 1rem 1.1rem; box-shadow: var(--shadow-sm); }
.doc-card:hover { border-color: var(--accent-line); }
.doc-card-top { display: flex; align-items: center; justify-content: space-between; gap: .6rem; }
.doc-card h3 { margin: 0; font-size: 1rem; }
.doc-card p { margin: 0; font-size: .86rem; color: var(--muted); }
.doc-card-foot { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: auto; }
.doc-id, .badge-id { font-family: var(--mono); font-size: .72rem; color: var(--muted); }
.doc-group { margin: 2rem 0; }
.doc-header { display: flex; flex-wrap: wrap; align-items: flex-start; justify-content: space-between; gap: 1rem; }
.doc-badges { display: flex; flex-wrap: wrap; gap: .4rem; }
.doc-status-line { font-size: .84rem; color: var(--muted); margin: .4rem 0 0; }
.doc-sidebar, .doc-nav, .doc-toc { }
.doc-sidebar { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; }
.doc-nav { list-style: none; padding: 0; margin: 0; }
.doc-nav li { margin: .2rem 0; } .doc-nav a { font-size: .86rem; }
.doc-article { min-width: 0; }
.doc-toc { position: sticky; top: calc(var(--header-h) + 1.2rem); }
.xref-pending { color: var(--warn); font-size: .78rem; }

/* spec index layout */
.spec-layout { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.spec-main { min-width: 0; } .spec-aside { position: sticky; top: calc(var(--header-h) + 1.2rem); }
.spec-section { margin-top: 2rem; }
.aside-status { font-size: .82rem; }
.explanation-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }

/* capability dialog + filters */
.cap-search { display: flex; gap: .6rem; margin: 1rem 0; }
.cap-search input { flex: 1; padding: .55rem .7rem; border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--surface); color: var(--ink); font: inherit; }
.cap-filter-buttons { display: flex; flex-wrap: wrap; gap: .4rem; }
.cap-filter-count { color: var(--muted); font-size: .82rem; }
.cap-legend { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .6rem; border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem; background: var(--surface-2); }
.legend-grid { display: flex; flex-wrap: wrap; gap: .5rem; }
.cap-group { margin-top: 2rem; }
.cap-group-head { display: flex; align-items: baseline; justify-content: space-between; gap: .8rem; border-bottom: 1px solid var(--line); padding-bottom: .4rem; }
.cap-source { font-size: .78rem; color: var(--muted); }
.cap-chip-unknown { color: var(--muted); }
.cap-dialog { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-md); overflow: hidden; }
.dialog-head { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .8rem 1rem; border-bottom: 1px solid var(--line); background: var(--surface-2); }
.dialog-close { background: none; border: 0; font-size: 1.2rem; line-height: 1; cursor: pointer; color: var(--muted); }
.dialog-body { padding: 1rem; }
.dialog-summary { font-size: .92rem; color: var(--ink-2); }
.dialog-badges { display: flex; flex-wrap: wrap; gap: .35rem; margin: .6rem 0; }
.dialog-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; font-size: .82rem; }
.schema-viewer, .schema-tabs { margin-top: .8rem; }
.schema-tabs { display: flex; gap: .35rem; }
.schema-tab { border: 1px solid var(--line); background: var(--surface-2); border-radius: 999px; padding: .2rem .6rem; font-size: .78rem; cursor: pointer; font-family: inherit; }
.schema-copy { margin-top: .4rem; }
.dialog-extras, .dialog-footnote { font-size: .8rem; color: var(--muted); margin-top: .6rem; }

/* registry extras */
.page-hero-registry .filter-note { font-size: .84rem; color: var(--muted); }
.registry-results { margin: 0; }
.tool-list { list-style: none; padding: 0; margin: 1rem 0; display: grid; gap: .5rem; }
.tool-list li { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .55rem .7rem; font-family: var(--mono); font-size: .8rem; background: var(--surface-2); }

/* playground page */
.page-hero-playground .playground-hero-grid { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 1.6rem; align-items: start; }
.playground-notice { border: 1px solid var(--warn); background: var(--warn-soft); border-radius: var(--radius); padding: .8rem 1rem; font-size: .86rem; }
.playground-workbench { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.playground-request, .playground-response { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.request-footer { display: flex; flex-wrap: wrap; gap: .6rem; align-items: center; justify-content: space-between; padding: .6rem .9rem; border-top: 1px solid var(--line); }
.request-error { margin: .5rem .9rem; color: var(--bad); font-size: .84rem; }
.response-meta { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; margin-bottom: .6rem; }
.response-pre { margin: 0; max-height: 360px; overflow: auto; font-size: .8rem; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .8rem; white-space: pre-wrap; }
.receipt-head { display: flex; align-items: center; justify-content: space-between; gap: .6rem; margin-bottom: .5rem; }
.receipt-status { font-weight: 700; }
.receipt-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; margin: 0; }
.playground-lower { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: 1rem; margin-top: 1rem; }
.state-panel, .operator-panel, .log-panel { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.state-tiles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .5rem; padding: .9rem; }
.state-tiles > div { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .5rem .6rem; }
.live-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--good); margin-right: .4rem; }
.operator-label { font-size: .78rem; color: var(--muted); margin: .6rem .9rem .2rem; }
.operator-actions { display: flex; flex-wrap: wrap; gap: .5rem; padding: .6rem .9rem .9rem; }
.playground-notes { padding-top: 2rem; }
.kbd { }
.steps-grid .step-card h3 { margin-top: 0; }

/* search page */
.search-page { padding-bottom: 3rem; }
.search-form { display: flex; gap: .6rem; margin: 1.2rem 0; }
.search-input-lg { flex: 1; padding: .9rem 1.1rem; font-size: 1.05rem; border: 1px solid var(--line-strong); border-radius: var(--radius); background: var(--surface); color: var(--ink); font: inherit; }
.search-filters { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1rem; }
.search-results-wrap { margin-top: 1.4rem; }
.filter-btn { border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--ink-2); padding: .25rem .65rem; font-size: .8rem; cursor: pointer; font-family: inherit; }
.filter-btn:hover { border-color: var(--accent-line); color: var(--accent); }

/* about / governance / download */
.page-hero-about .about-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.about-main { min-width: 0; } .about-aside { position: sticky; top: calc(var(--header-h) + 1.2rem); }
.dropcap::first-letter { float: left; font-size: 3.1rem; line-height: .9; padding: .1rem .5rem 0 0; font-weight: 700; color: var(--accent); }
.cite-block { border-left: 3px solid var(--accent-line); background: var(--surface-2); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; padding: .8rem 1rem; font-size: .84rem; }
.colophon { border-top: 1px solid var(--line); margin-top: 2rem; padding-top: 1rem; font-size: .8rem; color: var(--muted); }
.governance-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: clamp(1.5rem, 4vw, 3rem); align-items: start; }
.governance-main { min-width: 0; } .governance-aside { position: sticky; top: calc(var(--header-h) + 1.2rem); }
.download-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.download-icon { width: 34px; height: 34px; border-radius: 8px; background: var(--accent-soft); color: var(--accent); display: flex; align-items: center; justify-content: center; }
.download-body { font-size: .86rem; color: var(--muted); }
.download-meta { font-size: .76rem; color: var(--muted); font-family: var(--mono); }
.download-arrow { font-size: .82rem; }
.sha { font-family: var(--mono); font-size: .74rem; color: var(--muted); word-break: break-all; }
.checksum-hint { font-size: .8rem; color: var(--muted); }
.install-grid, .mcp-grid, .evidence-layout, .path-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1rem; }
.quickstart-notes, .mcp-note, .license-notes { font-size: .84rem; color: var(--muted); }
.sdk-readme { font-size: .9rem; }
.install-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.evidence-points { list-style: none; padding: 0; margin: 1rem 0; }
.evidence-points li { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .55rem .7rem; margin: .4rem 0; font-size: .86rem; }
.path-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.path-head { display: flex; align-items: center; gap: .6rem; margin-bottom: .5rem; }
.path-letter { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 7px; background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.path-list { list-style: none; padding: 0; margin: .5rem 0 0; font-size: .86rem; }
.path-list li { margin: .3rem 0; }
.principle { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.accent { color: var(--accent); }

/* report blocks (conformance page) */
.report-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: 1rem 1.1rem; }
.report-level { display: flex; flex-direction: column; align-items: flex-end; gap: .2rem; font-size: .8rem; color: var(--muted); }
.report-kicker { font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; margin: 0 0 .2rem; }
.report-metrics { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: .6rem; margin: 1rem 0; }
.report-metrics > div { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface); padding: .6rem .7rem; }
.report-metrics strong { display: block; font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.report-metrics span { font-size: .74rem; color: var(--muted); }
.digest-block { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; margin: 1rem 0; }
.digest { display: block; font-family: var(--mono); font-size: .76rem; word-break: break-all; color: var(--ink-2); background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .5rem .6rem; }
.report-table { font-size: .84rem; }
.report-limits { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: .9rem 1rem; }
.report-limits h3 { font-size: .95rem; }

/* responsive tweaks for the components above */
@media (max-width: 1000px) {
  .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .capability-diagram { grid-template-columns: 1fr; }
  .cap-merge { transform: rotate(90deg); }
  .dual-panel, .dual-graphic, .playground-workbench, .playground-lower, .notfound-grid,
  .page-hero-playground .playground-hero-grid, .page-hero-about .about-layout,
  .governance-layout, .spec-layout, .ring-layout { grid-template-columns: 1fr; }
  .spec-aside, .about-aside, .governance-aside { position: static; }
  .report-metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .surface-grid { grid-template-columns: 1fr; }
  .ladder-step { grid-template-columns: 64px minmax(0, 1fr); }
  .ladder-tag { grid-column: 2; }
}

/* small leftovers */
.side-title { font-size: .78rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; margin: 0 0 .5rem; }
.tick { color: var(--good); font-weight: 700; }
.section-tint { background: var(--bg-sunken); }
.world-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: 1rem; }
.lead-copy { font-size: 1.06rem; color: var(--ink-2); max-width: 62ch; }
.ring-aside-note { font-size: .8rem; color: var(--muted); margin: .5rem 0 0; }
.diag-bg { border-radius: var(--radius); background: var(--surface-2); padding: .6rem; }
.cmd { font-family: var(--mono); font-size: .84rem; }

/* ---------------------------------------------------------------------------
   Completion layer: mobile navigation, document parts, schema viewer, search.
   --------------------------------------------------------------------------- */

/* Mobile navigation: the disclosure must be visible below 980px, and the
   panel floats under the header rather than reflowing the bar. */
@media (max-width: 980px) {
  .nav-disclosure { display: block; position: relative; }
  .mobile-panel {
    position: absolute; right: 0; top: calc(100% + .5rem); z-index: 70;
    width: min(320px, calc(100vw - 2rem)); max-height: min(70vh, 560px); overflow-y: auto;
    border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: .5rem .85rem .7rem; background: var(--surface);
  }
  .nav-disclosure[open] .mobile-panel, .mobile-panel.is-open { display: block; }
}

/* Three-column specification layout: document list, prose, page TOC. */
@media (min-width: 1240px) {
  .doc-layout { grid-template-columns: 240px minmax(0, 1fr) 220px; }
  .doc-toc { display: block; }
}
@media (max-width: 1239px) {
  .doc-layout { grid-template-columns: 240px minmax(0, 1fr); }
  .doc-toc { display: none; }
  .toc-mobile { display: block; margin: 1rem 0; }
}
.doc-sidebar { position: sticky; top: calc(var(--header-h) + 1.2rem); max-height: calc(100vh - var(--header-h) - 2.4rem); overflow-y: auto; }
.doc-toc { max-height: calc(100vh - var(--header-h) - 2.4rem); overflow-y: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; }
.doc-parts { list-style: none; margin: .2rem 0 .5rem; padding: 0 0 0 .45rem; border-left: 1px solid var(--line); }
.doc-parts a { font-size: .78rem; color: var(--muted); padding: .15rem .35rem; }
.doc-parts a[aria-current="page"] { color: var(--accent); font-weight: 650; }

/* Long documents are split for page weight; the part controls stay visible. */
.part-nav { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-2); padding: .7rem .9rem; margin: 1.2rem 0; }
.part-nav-label { display: block; font-size: .72rem; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 700; margin-bottom: .4rem; }
.part-links { display: flex; flex-wrap: wrap; gap: .4rem; }
.part-link { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); padding: .25rem .65rem; font-size: .8rem; color: var(--ink-2); }
.part-link small { color: var(--muted); font-size: .72rem; }
.part-link.is-current { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); font-weight: 650; }
.part-context { font-size: .84rem; color: var(--muted); border-left: 2px solid var(--accent-line); padding-left: .7rem; }
.part-continue { border: 1px solid var(--accent-line); background: var(--accent-soft); border-radius: var(--radius); padding: 1rem 1.1rem; margin: 2rem 0 1rem; }
.part-continue-kicker { margin: 0 0 .25rem; text-transform: uppercase; letter-spacing: .09em; font-size: .7rem; color: var(--accent); font-weight: 700; }
.part-continue p { margin-bottom: .7rem; }

/* Capability schema dialog. */
.cap-dialog { width: min(920px, calc(100vw - 2rem)); max-height: min(88vh, 900px); padding: 0; }
.cap-dialog::backdrop { background: rgba(6, 11, 18, .62); backdrop-filter: blur(2px); }
.cap-dialog .dialog-head { position: sticky; top: 0; z-index: 2; }
.cap-dialog .dialog-body { max-height: calc(88vh - 70px); overflow-y: auto; }
.dialog-meta { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .45rem; margin-top: .8rem; }
.dialog-meta-row { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .45rem .55rem; min-width: 0; }
.dialog-meta-row dt { font-size: .68rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.dialog-meta-row dd { margin: .1rem 0 0; font-size: .82rem; color: var(--ink-2); overflow-wrap: anywhere; }
.dialog-tags { display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .7rem; }
.dialog-facts { margin: .7rem 0 0; display: grid; gap: .3rem; }
.dialog-facts .dialog-meta-row { background: transparent; border-style: dashed; }
.dialog-note { font-size: .8rem; color: var(--muted); border-top: 1px solid var(--line); padding-top: .6rem; margin-top: .7rem; }
.schema-viewer { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--surface-2); }
.schema-tabs { display: flex; flex-wrap: wrap; align-items: center; gap: .3rem; padding: .5rem .6rem; border-bottom: 1px solid var(--line); background: var(--surface); }
.schema-tab { font-weight: 600; }
.schema-tab.is-active { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.schema-copy { margin-left: auto; }
.schema-viewer pre { margin: 0; max-height: 340px; overflow: auto; padding: .8rem .9rem; font-size: .78rem; line-height: 1.55; }
.schema-viewer #cap-schema-code { color: var(--ink-2); }

/* Search results and filter state. */
.search-result mark { background: var(--accent-soft); color: inherit; border-radius: 2px; padding: 0 .08em; }
.filter-btn.is-active, .filter-btn[aria-pressed="true"] { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.search-suggestions[hidden] { display: none; }
.search-results[hidden] { display: none; }

/* Keep wide tables and code inside the viewport at 360px. */
.table-wrap { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.t-c { text-align: center; }
.t-r { text-align: right; }
.codeblock pre { max-width: 100%; overflow-x: auto; }
@media (max-width: 560px) {
  .dialog-meta, .receipt-facts, .state-tiles, .report-metrics { grid-template-columns: 1fr; }
  .doc-sidebar { position: static; max-height: none; }
  .schema-tabs { align-items: stretch; }
  .schema-copy { margin-left: 0; }
}

@media (max-width: 900px) {
  .doc-layout { grid-template-columns: 1fr; }
  .doc-sidebar { position: static; max-height: none; }
  .doc-toc { display: none; }
}


/* Mobile specification navigation: a single scrollable row of document chips
   keeps the article above the fold at 360px instead of pushing it down by a
   full sidebar. */
@media (max-width: 900px) {
  .doc-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding: .55rem .6rem .45rem;
  }
  .doc-nav .side-title { margin: 0 0 .35rem; }
  .doc-nav { min-width: 0; max-width: 100%; }
  .doc-nav > ol {
    display: flex;
    gap: .35rem;
    overflow-x: auto;
    overscroll-behavior-x: contain;
    padding: 0 0 .2rem;
    margin: 0;
    width: 100%;
    max-width: 100%;
    scrollbar-width: thin;
  }
  .doc-nav > ol > li { flex: 0 0 auto; margin: 0; }
  .doc-nav > ol > li > a {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    white-space: nowrap;
    padding: .3rem .55rem;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    font-size: .8rem;
  }
  .doc-nav > ol > li > a[aria-current="page"] {
    border-color: var(--accent-line);
    background: var(--accent-soft);
    color: var(--accent);
  }
  .doc-nav > ol > li > a.is-active { border-color: var(--accent-line); color: var(--accent); }
  .doc-nav .doc-parts { display: none; }
}

/* Verification ring model on the about page. */
.ring-model { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .8rem; margin: 1.2rem 0; }
.ring-model-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .9rem 1rem; }
.ring-model-card h3 { margin: .15rem 0 .35rem; font-size: 1rem; }
.ring-model-card p { font-size: .86rem; margin: 0 0 .55rem; }
.ring-model-card code { font-size: .72rem; color: var(--muted); }
.ring-model-num { font-family: var(--mono); font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--accent); font-weight: 700; }
@media (max-width: 720px) { .ring-model { grid-template-columns: 1fr; } }

/* ============================================================ device market
   Market index, category pages, package pages and the home-page band. Every colour is a token, so the light and dark
   schemes both apply; one-line commands wrap and code blocks scroll inside their own box, so nothing widens the page
   at 360px. */
.page-hero-market .breadcrumb li, .market-title, .market-card-title { overflow-wrap: anywhere; }
.market-title { font-size: clamp(1.65rem, 3.6vw, 2.5rem); max-width: 36ch; }
.page-hero-market .page-hero h1, .page-hero-market h1 { overflow-wrap: anywhere; }
.market-intro { max-width: 78ch; }
/* Upstream class names such as (spark_control_automation.SparkControlClient) are single long words: let them break. */
.page-hero-market p, .page-hero-market + .package-layout p, .page-hero-market + .package-layout dd,
.page-hero-market + .package-layout .pager strong { overflow-wrap: anywhere; }
.market-evidence { display: flex; flex-wrap: wrap; align-items: baseline; gap: .5rem; font-size: .9rem; color: var(--muted); max-width: 66ch; }
.market-evidence span:not(.badge) { flex: 1 1 18rem; }

.market-cmd { display: flex; align-items: center; gap: .5rem; min-width: 0; max-width: 100%; margin-top: auto;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .3rem .35rem .3rem .6rem; }
.market-cmd code { flex: 1 1 auto; min-width: 0; white-space: normal; overflow-wrap: anywhere; background: none; border: 0;
  padding: .15rem 0; font-size: .78rem; line-height: 1.45; color: var(--ink); }
.market-cmd .copy-btn { flex: 0 0 auto; }
.market-cmd-lg { margin: .4rem 0 0; max-width: 46rem; padding: .45rem .5rem .45rem .8rem; background: var(--surface); box-shadow: var(--shadow-sm); }
.market-cmd-lg code { font-size: .88rem; }

.market-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.market-card { display: flex; flex-direction: column; gap: .45rem; min-width: 0; margin: 0;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .95rem 1rem; box-shadow: var(--shadow-sm); }
.market-card:hover { border-color: var(--accent-line); }
.market-card-title { font-size: 1rem; font-weight: 650; margin: 0; line-height: 1.3; }
.market-card-title a { color: var(--ink); }
.market-card-title a:hover { color: var(--accent); text-decoration: none; }
.market-card-cat { margin: 0; font-size: .78rem; font-weight: 650; letter-spacing: .02em; color: var(--muted); }
.market-card-meta { display: flex; flex-wrap: wrap; gap: .35rem; align-items: center; }
.market-card-desc { margin: 0 0 .2rem; font-size: .86rem; color: var(--ink-2); overflow-wrap: anywhere;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.market-card-desc code { font-size: .78rem; }

.market-start { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1rem; max-width: 60rem; }
.market-start-card { min-width: 0; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface);
  padding: 1.1rem 1.2rem; box-shadow: var(--shadow-sm); }
.market-start-card h3 { margin: 0 0 .35rem; }
.market-start-card .codeblock { margin: .8rem 0; }

.market-cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 220px), 1fr)); gap: .7rem; }
.market-cat { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: .15rem .6rem; align-items: baseline;
  border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); padding: .8rem .9rem; color: var(--ink); }
.market-cat:hover { border-color: var(--accent-line); text-decoration: none; }
.market-cat:hover .market-cat-name { color: var(--accent); }
.market-cat-name { font-weight: 650; font-size: .95rem; }
.market-cat-count { font-weight: 700; font-variant-numeric: tabular-nums; color: var(--accent); }
.market-cat-split { grid-column: 1 / -1; font-size: .76rem; color: var(--muted); }

.market-layout { padding-top: .4rem; }
.market-layout.is-live { display: grid; grid-template-columns: 270px minmax(0, 1fr); gap: clamp(1.2rem, 3vw, 2rem); align-items: start; }
.market-layout .filter-head h3 { font-size: .95rem; margin: 0; }
.market-layout .filter-note { font-size: .8rem; color: var(--muted); margin: 0; }
.market-results { min-width: 0; }
.market-results .empty-state h3 { font-size: 1.1rem; }
.market-category-body { padding-bottom: 1rem; }
.market-category-body > .results-count { margin-bottom: .8rem; }
.market-pages { margin: 0 0 1.1rem; }
.market-category-body .market-grid + .market-pages { margin: 1.4rem 0 0; }
.market-other-head { font-size: 1rem; margin-top: 2.2rem; }
.page-hero-market .family-quick { margin-top: 1rem; }

.install-tabs { margin: 1rem 0 0; }
.install-panel { min-width: 0; }
.install-panel + .install-panel { margin-top: 1.6rem; }
.install-panel-title { font-size: 1rem; margin: 0 0 .2rem; }
.install-panel .codeblock { margin: .7rem 0; }
.install-tablist { display: flex; flex-wrap: wrap; gap: .3rem; border-bottom: 1px solid var(--line); margin-bottom: .2rem; }
.install-tab { border: 1px solid transparent; border-bottom: 0; background: transparent; color: var(--muted); font: inherit;
  font-size: .86rem; font-weight: 600; padding: .45rem .8rem; border-radius: var(--radius-sm) var(--radius-sm) 0 0; cursor: pointer;
  margin-bottom: -1px; }
.install-tab:hover { color: var(--ink); background: var(--surface-2); }
.install-tab[aria-selected="true"] { color: var(--accent); background: var(--surface); border-color: var(--line); border-bottom: 1px solid var(--surface); }
.install-tabs.is-tabbed .install-panel + .install-panel { margin-top: 0; }
.install-tabs.is-tabbed .install-panel-title { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }

.market-io { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.market-io > div { min-width: 0; }
.market-io h3, .market-subhead { font-size: .95rem; margin: 0 0 .5rem; }
.market-names li code { font-size: .78rem; }
.action-list { margin: .4rem 0 1rem; display: grid; gap: .5rem; }
.action-list > div { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--surface-2); padding: .6rem .75rem; min-width: 0; }
.action-list dt { margin: 0 0 .15rem; }
.action-list dd { margin: 0; font-size: .88rem; color: var(--ink-2); overflow-wrap: anywhere; }
dl.evidence-grid { margin-bottom: 1rem; }

.market-band { background: var(--accent-soft); border-top: 1px solid var(--accent-line); border-bottom: 1px solid var(--accent-line); }
.market-band-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(1.4rem, 4vw, 3rem); align-items: center; }
.market-band-copy, .market-band-try { min-width: 0; }
.market-band h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
.market-band .section-lead { color: var(--ink-2); }
.market-band-note { margin: 1rem 0 0; font-size: .84rem; color: var(--muted); }
.market-band-try h3 { font-size: 1rem; margin: 0; }
.market-band-try .codeblock { margin: .7rem 0; background: var(--surface); }

/* Seven primary links: the header call to action yields first, then the links fold into the menu a little earlier than 980px. */
@media (max-width: 1239px) { .header-cta { display: none; } }
@media (max-width: 1100px) {
  .nav-primary { display: none; }
  .menu-btn { display: inline-flex; margin-left: auto; }
  .header-actions { margin-left: auto; }
  .nav-disclosure { display: block; position: relative; }
  .mobile-panel {
    position: absolute; right: 0; top: calc(100% + .5rem); z-index: 70;
    width: min(320px, calc(100vw - 2rem)); max-height: min(70vh, 560px); overflow-y: auto;
    border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-md);
    padding: .5rem .85rem .7rem; background: var(--surface);
  }
  .nav-disclosure[open] .mobile-panel, .mobile-panel.is-open { display: block; }
}
@media (max-width: 980px) {
  .market-layout.is-live { grid-template-columns: 1fr; }
  .market-layout .filter-panel { position: static; }
  .market-band-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .market-io { grid-template-columns: 1fr; }
  .market-cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .market-cat { padding: .7rem .75rem; }
  .install-tablist { border-bottom: 0; gap: .35rem; margin-bottom: .6rem; }
  .install-tab { flex: 1 1 auto; text-align: center; padding: .4rem .6rem; margin: 0; border: 1px solid var(--line); border-radius: 999px; }
  .install-tab[aria-selected="true"] { border-color: var(--accent-line); background: var(--accent-soft); }
}
/* The home page's three-card grid stacks on phones instead of widening the page. */
@media (max-width: 760px) { .grid-3 { grid-template-columns: 1fr; } }