/* Pinyon Shift docs. Colours follow the launcher's palette
   (launcher/PinyonShift.Launcher, Ink to Fog, Accent #5CD08A). */

:root {
  --bg: #f7f9f6;
  --surface: #eef3ec;
  --surface-2: #e3eae1;
  --line: #d6dfd4;
  --line-strong: #b7c5b5;
  --text: #1c2620;
  --text-strong: #0a0f0c;
  --muted: #4c5e52;
  --faint: #6e8074;
  --accent: #236b40;
  --accent-hover: #1b4229;
  --accent-ink: #ffffff;
  --link: #1f6a3e;
  --mark: #5cd08a;
  --amber: #8a5a00;
  --code-bg: #eef3ec;
  --tok-keyword: #1f6a3e;
  --tok-string: #8a4b14;
  --tok-number: #8a5a00;
  --tok-comment: #6e8074;
  --tok-name: #0a0f0c;
  --tok-variable: #275e7a;

  --font-body: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-display: "Barlow", "Bahnschrift", "DIN Alternate", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
  --topbar: 3.5rem;
  --radius: 6px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f0c;
    --surface: #101813;
    --surface-2: #16211a;
    --line: #213128;
    --line-strong: #34493b;
    --text: #d9e2d8;
    --text-strong: #eef3ec;
    --muted: #93a597;
    --faint: #6d8075;
    --accent: #5cd08a;
    --accent-hover: #7ee0a4;
    --accent-ink: #0a0f0c;
    --link: #6fd99a;
    --mark: #5cd08a;
    --amber: #f1ae36;
    --code-bg: #0e1611;
    --tok-keyword: #6fd99a;
    --tok-string: #e8b26a;
    --tok-number: #f1ae36;
    --tok-comment: #6d8075;
    --tok-name: #eef3ec;
    --tok-variable: #8cc8e8;
    color-scheme: dark;
  }
}

:root[data-theme="dark"] {
  --bg: #0a0f0c;
  --surface: #101813;
  --surface-2: #16211a;
  --line: #213128;
  --line-strong: #34493b;
  --text: #d9e2d8;
  --text-strong: #eef3ec;
  --muted: #93a597;
  --faint: #6d8075;
  --accent: #5cd08a;
  --accent-hover: #7ee0a4;
  --accent-ink: #0a0f0c;
  --link: #6fd99a;
  --mark: #5cd08a;
  --amber: #f1ae36;
  --code-bg: #0e1611;
  --tok-keyword: #6fd99a;
  --tok-string: #e8b26a;
  --tok-number: #f1ae36;
  --tok-comment: #6d8075;
  --tok-name: #eef3ec;
  --tok-variable: #8cc8e8;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--topbar) + 1.25rem);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 1rem/1.65 var(--font-body);
  font-feature-settings: "kern", "liga";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--link); text-underline-offset: 0.18em; text-decoration-thickness: 1px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip {
  position: absolute; left: 1rem; top: -3rem; z-index: 20;
  padding: 0.5rem 0.75rem; background: var(--accent); color: var(--accent-ink);
  border-radius: var(--radius); font-weight: 600;
}
.skip:focus { top: 0.5rem; }

/* Top bar */

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1rem;
  height: var(--topbar);
  padding: 0 1.25rem;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}

.brand {
  display: flex; align-items: center; gap: 0.75rem;
  color: var(--text-strong); text-decoration: none;
}

.logo {
  display: block;
  width: 8.6rem; height: 2.05rem;
  background: var(--text-strong);
  -webkit-mask: url("img/logo.png") left center / contain no-repeat;
  mask: url("img/logo.png") left center / contain no-repeat;
}

.brand-docs {
  padding-left: 0.75rem;
  border-left: 1px solid var(--line-strong);
  font: 600 0.95rem/1 var(--font-display);
  letter-spacing: 0.02em;
  color: var(--muted);
}

.top-links {
  display: flex; align-items: center; gap: 1.25rem;
  margin-left: auto;
  font: 500 0.95rem/1 var(--font-display);
  letter-spacing: 0.01em;
}
.top-links > a:not(.button) { color: var(--muted); text-decoration: none; }
.top-links > a:not(.button):hover { color: var(--text-strong); }

.button {
  display: inline-flex; align-items: center; gap: 0.6rem;
  padding: 0.7rem 1.1rem;
  background: var(--accent); color: var(--accent-ink);
  border-radius: var(--radius);
  font: 600 1rem/1 var(--font-display);
  letter-spacing: 0.01em;
  text-decoration: none;
  transition: background-color 120ms ease-out;
}
.button:hover { background: var(--accent-hover); }
.button span { font-weight: 500; opacity: 0.75; }
.button-small { padding: 0.5rem 0.8rem; font-size: 0.95rem; }
.version:empty { display: none; }

.theme-button, .menu-button {
  display: inline-grid; place-items: center;
  width: 2.25rem; height: 2.25rem;
  padding: 0; border: 1px solid transparent; border-radius: var(--radius);
  background: none; color: var(--muted); cursor: pointer;
}
.theme-button:hover, .menu-button:hover { color: var(--text-strong); border-color: var(--line); }
.theme-button span {
  width: 1rem; height: 1rem; border-radius: 50%;
  border: 1.5px solid currentColor;
  background: linear-gradient(90deg, currentColor 50%, transparent 50%);
}

.menu-button { display: none; margin-left: -0.5rem; }
.menu-icon, .menu-icon::before, .menu-icon::after {
  display: block; width: 1.1rem; height: 1.5px; background: currentColor; content: "";
}
.menu-icon { position: relative; }
.menu-icon::before { position: absolute; top: -5px; }
.menu-icon::after { position: absolute; top: 5px; }

/* Layout */

.layout {
  display: grid;
  grid-template-columns: 15.5rem minmax(0, 46rem) 13rem;
  justify-content: center;
  gap: 3.5rem;
  max-width: 88rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sidebar {
  position: sticky; top: var(--topbar);
  align-self: start;
  max-height: calc(100vh - var(--topbar));
  overflow-y: auto;
  padding: 2rem 0 3rem;
  scrollbar-width: thin;
}
.sidebar ul { list-style: none; margin: 0 0 1.75rem; padding: 0; }
.sidebar li a {
  display: block;
  padding: 0.32rem 0.75rem;
  margin-left: -0.75rem;
  border-radius: var(--radius);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
  line-height: 1.4;
}
.sidebar li a:hover { color: var(--text-strong); background: var(--surface); }
.sidebar li a[aria-current="page"] {
  color: var(--text-strong); background: var(--surface-2); font-weight: 500;
}
.nav-section {
  margin: 0 0 0.5rem;
  font: 600 0.75rem/1 var(--font-display);
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--faint);
}
.ext { font-size: 0.8em; color: var(--faint); }

main { min-width: 0; padding: 2.5rem 0 4rem; }

.toc {
  position: sticky; top: var(--topbar);
  align-self: start;
  max-height: calc(100vh - var(--topbar));
  overflow-y: auto;
  padding: 2.75rem 0 2rem;
  font-size: 0.86rem;
  line-height: 1.4;
}
.toc p {
  margin: 0 0 0.75rem;
  font: 600 0.75rem/1 var(--font-display);
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--faint);
}
.toc ul { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0.4rem 0; }
.toc .toc-l3 { padding-left: 0.85rem; }
.toc a { color: var(--muted); text-decoration: none; }
.toc a:hover, .toc a.active { color: var(--text-strong); }

/* Prose */

.prose { max-width: 46rem; }
.prose > :first-child { margin-top: 0; }

.prose h1, .prose h2, .prose h3, .prose h4 {
  font-family: var(--font-display);
  color: var(--text-strong);
  line-height: 1.15;
  text-wrap: balance;
}
.prose h1 { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 0.75rem; }
.prose h2 { font-size: 1.6rem; font-weight: 600; margin: 3rem 0 0.75rem; }
.prose h3 { font-size: 1.2rem; font-weight: 600; margin: 2rem 0 0.5rem; }
.prose h4 { font-size: 1rem; font-weight: 600; margin: 1.5rem 0 0.25rem; }

.prose h1 + p { font-size: 1.12rem; color: var(--muted); margin-bottom: 2rem; max-width: 40rem; }

.prose p, .prose ul, .prose ol { margin: 0 0 1.1rem; }
.prose ul, .prose ol { padding-left: 1.35rem; }
.prose li { margin: 0.3rem 0; }
.prose li::marker { color: var(--faint); }
.prose ol > li::marker { font-family: var(--font-display); font-weight: 600; color: var(--muted); }
.prose strong { color: var(--text-strong); font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 2.5rem 0; }

.anchor {
  margin-left: 0.4rem;
  color: var(--faint);
  text-decoration: none;
  font-weight: 400;
  opacity: 0;
  transition: opacity 120ms ease-out;
}
h2:hover .anchor, h3:hover .anchor, .anchor:focus-visible { opacity: 1; }

.prose code, .prose kbd {
  font-family: var(--font-mono);
  font-size: 0.86em;
}
.prose :not(pre) > code {
  padding: 0.1em 0.35em;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 4px;
  overflow-wrap: anywhere;
}
.prose kbd {
  display: inline-block;
  min-width: 1.6em;
  padding: 0.05em 0.4em;
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-bottom-width: 2px;
  border-radius: 4px;
  color: var(--text-strong);
  text-align: center;
  font-weight: 500;
}

.prose pre {
  position: relative;
  margin: 0 0 1.25rem;
  padding: 0.95rem 1.1rem;
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  line-height: 1.6;
  tab-size: 4;
}
.prose .code { margin: 0 0 1.25rem; position: relative; }
.prose .code pre { margin: 0; }
.copy {
  position: absolute; top: 0.45rem; right: 0.45rem;
  padding: 0.3rem 0.55rem;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--muted);
  font: 500 0.75rem/1 var(--font-display);
  letter-spacing: 0.03em;
  cursor: pointer;
  opacity: 0;
  transition: opacity 120ms ease-out;
}
.code:hover .copy, .copy:focus-visible { opacity: 1; }
.copy:hover { color: var(--text-strong); }
@media (hover: none) { .copy { opacity: 1; } }

/* Pygments tokens */
.code .c, .code .c1, .code .cm, .code .ch, .code .cs { color: var(--tok-comment); font-style: italic; }
.code .k, .code .kd, .code .kn, .code .kr, .code .kt, .code .kc, .code .ow { color: var(--tok-keyword); }
.code .s, .code .s1, .code .s2, .code .sb, .code .sd, .code .se, .code .sh, .code .si, .code .sx { color: var(--tok-string); }
.code .m, .code .mi, .code .mf, .code .mh, .code .il { color: var(--tok-number); }
.code .nb, .code .nf, .code .bp, .code .nc { color: var(--tok-name); font-weight: 500; }
.code .nv, .code .vg, .code .vi, .code .na { color: var(--tok-variable); }
.code .nt { color: var(--tok-keyword); }
.code .o, .code .p { color: var(--muted); }
.code .err { color: inherit; background: none; }

.table-wrap {
  margin: 0 0 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  line-height: 1.5;
  font-variant-numeric: tabular-nums;
}
.prose th, .prose td {
  padding: 0.6rem 0.85rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}
.prose tr:last-child td { border-bottom: 0; }
/* Two-column key and value tables leave their header cells empty. */
.prose thead:not(:has(th:not(:empty))) { display: none; }
/* Wide tables scroll inside their frame on small screens instead of crushing. */
.prose table:has(th:nth-child(3)) { min-width: 36rem; }
.prose table:not(:has(thead th:not(:empty))) td:first-child { white-space: nowrap; color: var(--muted); }
.prose th {
  background: var(--surface);
  color: var(--muted);
  font: 600 0.82rem/1.3 var(--font-display);
  letter-spacing: 0.03em;
  white-space: nowrap;
}
.prose td[align="right"], .prose th[align="right"] { text-align: right; white-space: nowrap; }
/* The Features page's platform cells (site/features.toml). */
.prose table:has(th:nth-child(5)) { min-width: 52rem; }
.prose table:has(th:nth-child(5)) td:not(:first-child) { min-width: 8.5rem; }
.prose .state { font-weight: 600; white-space: nowrap; }
.prose .state-yes { color: var(--accent); }
.prose .state-partly { color: var(--amber); }
.prose .state-not-yet { color: var(--muted); }
.prose .state-na { color: var(--faint); }

.prose blockquote {
  margin: 0 0 1.25rem;
  padding: 0.85rem 1.1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text);
}
.prose blockquote > :last-child { margin-bottom: 0; }

/* Inline SVG diagrams (site/diagrams). Wide ones scroll inside their frame. */
.prose .diagram {
  margin: 0.5rem 0 1.75rem;
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.prose .diagram svg { display: block; width: 100%; height: auto; min-width: 42rem; max-width: 52rem; margin: 0 auto; }
.prose .diagram figcaption { margin-top: 0.75rem; color: var(--muted); font-size: 0.875rem; }
.diagram text { fill: var(--text); font-family: var(--font-body); font-size: 13px; }
.diagram .t-head { fill: var(--text-strong); font-weight: 600; }
.diagram .t-small { fill: var(--muted); font-size: 11px; }
.diagram .t-mono { font-family: var(--font-mono); font-size: 11px; }
.diagram .t-lane { fill: var(--faint); font-size: 11px; font-weight: 600; letter-spacing: 0.06em; }
.diagram .box { fill: var(--bg); stroke: var(--line-strong); stroke-width: 1.5; }
.diagram .host { fill: var(--bg); stroke: var(--accent); stroke-width: 2; }
.diagram .guest { fill: var(--bg); stroke: var(--amber); stroke-width: 2; }
.diagram .gpu { fill: var(--bg); stroke: var(--tok-variable); stroke-width: 2; }
.diagram .lane { fill: none; stroke: var(--line-strong); stroke-dasharray: 4 4; }
.diagram .edge { fill: none; stroke: var(--muted); stroke-width: 1.5; }
.diagram .edge-dash { stroke-dasharray: 5 4; }
.diagram .arrowhead { fill: var(--muted); }
.diagram .bar-host { fill: var(--accent); }
.diagram .bar-guest { fill: var(--amber); }
.diagram .bar-gpu { fill: var(--tok-variable); }
.diagram .bar-idle { fill: var(--line); }
.prose img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 0.5rem 0 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.prose details {
  margin: 0 0 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0 1rem;
}
.prose details[open] { padding-bottom: 0.5rem; }
.prose summary {
  padding: 0.7rem 0;
  cursor: pointer;
  font-weight: 500;
  color: var(--text-strong);
}

/* Home */

.release {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between;
  gap: 1rem 2rem;
  margin: 0 0 2.5rem;
  padding: 1.25rem 1.4rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.release p { margin: 0; }
.release-label {
  font: 600 0.75rem/1 var(--font-display);
  letter-spacing: 0.09em; text-transform: uppercase; color: var(--faint);
}
.release-version {
  margin-top: 0.45rem !important;
  font: 700 1.6rem/1 var(--font-display);
  color: var(--text-strong);
}
.release-version span { margin-left: 0.4rem; font-size: 1rem; font-weight: 500; color: var(--muted); }
.release-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1.25rem; }
.quiet-link { color: var(--muted); font-size: 0.95rem; }
.quiet-link:hover { color: var(--text-strong); }

.home .prose h1 { font-size: 2.9rem; }

/* Footer */

.page-footer { max-width: 46rem; margin-top: 4rem; }
.pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}
.pager a {
  display: flex; flex-direction: column; gap: 0.2rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-strong);
  text-decoration: none;
  font: 600 1.05rem/1.25 var(--font-display);
  transition: border-color 120ms ease-out;
}
.pager a:hover { border-color: var(--line-strong); }
.pager a span { font: 400 0.8rem/1 var(--font-body); color: var(--faint); }
.pager-next { text-align: right; grid-column: 2; }
.meta {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 0.5rem 2rem;
  padding-top: 1.25rem;
  font-size: 0.82rem;
  color: var(--faint);
}
.meta a { color: var(--muted); }

/* Narrower screens */

@media (max-width: 78rem) {
  .layout { grid-template-columns: 15rem minmax(0, 46rem); gap: 3rem; }
  .toc { display: none; }
}

@media (max-width: 56rem) {
  .layout { display: block; padding: 0 1rem; }
  .topbar { padding: 0 1rem; gap: 0.5rem; }
  .menu-button { display: inline-grid; }
  .top-links { gap: 0.25rem; }
  .top-links > a:not(.button) { display: none; }
  .brand-docs { display: none; }
  .logo { width: 7.4rem; }
  .sidebar {
    position: fixed; inset: 0; z-index: 9;
    max-height: none;
    padding: calc(var(--topbar) + 1.5rem) 1rem 3rem;
    background: var(--bg);
    visibility: hidden; opacity: 0;
    transition: opacity 150ms ease-out, visibility 0s linear 150ms;
  }
  .nav-open .sidebar { visibility: visible; opacity: 1; transition: opacity 150ms ease-out; }
  .nav-open { overflow: hidden; }
  .sidebar li a { margin-left: 0; padding: 0.55rem 0.75rem; font-size: 1rem; }
  main { padding-top: 1.75rem; }
  .prose h1 { font-size: 2rem; }
  .home .prose h1 { font-size: 2.3rem; }
  .prose h2 { font-size: 1.4rem; margin-top: 2.5rem; }
  .pager { grid-template-columns: 1fr; }
  .pager-next { grid-column: 1; }
}

@media (max-width: 30rem) {
  .button-small .version { display: none; }
  .release-actions .button { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}

/* The development-branch notice above each page */

.channel-note {
  max-width: 46rem;
  margin: 0 0 2rem;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}
.channel-note code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  color: var(--text-strong);
}
.channel-note a { color: var(--link); }