/* ============================================================
   INXM MkDocs theme
   Brand rules (inxm.ai/brand): dark canonical, light alternative.
   Hairlines only — no shadows, no gradients. One accent: orange.
   Satoshi for body + headings, Geist for UI meta, Geist Mono for
   technical content. Body 16/1.8. Weight 400 nearly everywhere.
   ============================================================ */

@font-face {
  font-family: "Geist";
  src: url("../fonts/Geist.ttf") format("truetype-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Geist Mono";
  src: url("../fonts/GeistMono.ttf") format("truetype-variations");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* ---------- Tokens · dark (canonical) ---------- */
:root {
  --bg-canvas:   #0d0d0d;
  --bg-surface:  #111111;
  --bg-raised:   #161616;
  --bg-sunken:   #0a0a0a;
  --bg-inverse:  #f5f5f5;

  --fg-primary:   #e6e6e6;
  --fg-strong:    #ffffff;
  --fg-secondary: #b3b3b3;   /* docs need a readable hierarchy */
  --fg-tertiary:  #8a8a8a;
  --fg-muted:     #5c5c5c;
  --fg-inverse:   #0d0d0d;

  --accent:       #FF7A33;
  --accent-base:  #FF5900;
  --accent-soft:  rgba(255, 122, 51, 0.10);
  --accent-hair:  rgba(255, 122, 51, 0.35);
  --accent-press: #ff6a1a;
  --accent-ink:   #0d0d0d;   /* text on accent */

  --border-hair:   #1f1f1f;
  --border-strong: #2c2c2c;
  --border-focus:  #FF5900;

  --status-ok:    #3f9a52;
  --status-warn:  #d9962a;
  --status-error: #d4463a;
  --status-info:  #5b8fc4;

  --sel-bg: rgba(255, 122, 51, 0.28);

  /* Syntax (mostly monochrome, keywords carry the accent) */
  --code-kw:   var(--accent);
  --code-str:  #c9c9c9;
  --code-num:  #ffffff;
  --code-cmt:  #6f6f6f;
  --code-fn:   #ffffff;
  --code-op:   #a3a3a3;
  --code-punct:#8a8a8a;

  --font-sans:  "Satoshi", "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-meta:  "Geist", ui-sans-serif, system-ui, sans-serif;
  --font-mono:  "Geist Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --sp-1: 4px;  --sp-2: 8px;  --sp-3: 12px; --sp-4: 16px; --sp-5: 24px;
  --sp-6: 32px; --sp-7: 48px; --sp-8: 64px; --sp-9: 80px;

  --r-xs: 2px; --r-sm: 4px; --r-md: 6px; --r-lg: 10px; --r-pill: 9999px;

  --ease: cubic-bezier(0.2, 0, 0.2, 1);
  --dur-fast: 120ms; --dur-base: 180ms;

  --header-h: 64px;
  --sidebar-w: 264px;
  --toc-w: 220px;
  --content-max: 1400px;
  --gutter: 40px;
  --measure: 72ch;

  color-scheme: dark;
}

/* ---------- Tokens · light ---------- */
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg-canvas:   #f5f5f5;
    --bg-surface:  #ffffff;
    --bg-raised:   #ffffff;
    --bg-sunken:   #ececec;
    --bg-inverse:  #0d0d0d;

    --fg-primary:   #1a1a1a;
    --fg-strong:    #000000;
    --fg-secondary: #4a4a4a;
    --fg-tertiary:  #707070;
    --fg-muted:     #a0a0a0;
    --fg-inverse:   #ffffff;

    --accent:       #FF5900;
    --accent-soft:  rgba(255, 89, 0, 0.10);
    --accent-hair:  rgba(255, 89, 0, 0.35);
    --accent-press: #e64f00;
    --accent-ink:   #ffffff;

    --border-hair:   #e0e0e0;
    --border-strong: #c8c8c8;

    --status-ok:    #2f7a3e;
    --status-warn:  #b07512;
    --status-error: #c2362a;
    --status-info:  #3d6b99;

    --sel-bg: rgba(255, 89, 0, 0.22);

    --code-kw:   var(--accent-press);
    --code-str:  #3a3a3a;
    --code-num:  #000000;
    --code-cmt:  #8a8a8a;
    --code-fn:   #000000;
    --code-op:   #555555;
    --code-punct:#707070;

    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg-canvas:   #f5f5f5;
  --bg-surface:  #ffffff;
  --bg-raised:   #ffffff;
  --bg-sunken:   #ececec;
  --bg-inverse:  #0d0d0d;

  --fg-primary:   #1a1a1a;
  --fg-strong:    #000000;
  --fg-secondary: #4a4a4a;
  --fg-tertiary:  #707070;
  --fg-muted:     #a0a0a0;
  --fg-inverse:   #ffffff;

  --accent:       #FF5900;
  --accent-soft:  rgba(255, 89, 0, 0.10);
  --accent-hair:  rgba(255, 89, 0, 0.35);
  --accent-press: #e64f00;
  --accent-ink:   #ffffff;

  --border-hair:   #e0e0e0;
  --border-strong: #c8c8c8;

  --status-ok:    #2f7a3e;
  --status-warn:  #b07512;
  --status-error: #c2362a;
  --status-info:  #3d6b99;

  --sel-bg: rgba(255, 89, 0, 0.22);

  --code-kw:   var(--accent-press);
  --code-str:  #3a3a3a;
  --code-num:  #000000;
  --code-cmt:  #8a8a8a;
  --code-fn:   #000000;
  --code-op:   #555555;
  --code-punct:#707070;

  color-scheme: light;
}

/* ============================================================
   Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 24px); -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition: none !important; animation: none !important; } }

body {
  margin: 0;
  background: var(--bg-canvas);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
::selection { background: var(--sel-bg); color: var(--fg-strong); }
a { color: var(--fg-strong); text-decoration: none; transition: color var(--dur-fast) var(--ease); }
a:hover { color: var(--accent); }
img, svg, video { max-width: 100%; }
:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; border-radius: var(--r-xs); }

.skip-link {
  position: absolute; left: -9999px; top: 8px; z-index: 100;
  padding: 8px 14px; border-radius: var(--r-pill);
  background: var(--fg-strong); color: var(--fg-inverse);
  font-family: var(--font-meta); font-size: 13px;
}
.skip-link:focus { left: 16px; }

/* // eyebrow — Geist, accent slashes */
.eyebrow {
  font-family: var(--font-meta);
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 var(--sp-4);
}
.eyebrow::before {
  content: "//";
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0;
}

/* Buttons — pills, Geist, 40px */
.btn {
  font-family: var(--font-meta);
  font-size: 13px;
  font-weight: 500;
  height: 40px;
  padding: 0 20px;
  border-radius: var(--r-pill);
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-strong);
  display: inline-flex; align-items: center; gap: 8px;
  cursor: pointer; white-space: nowrap;
  transition: background var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast);
}
.btn .arrow { transition: transform var(--dur-base) var(--ease); }
.btn:hover .arrow { transform: translateX(3px); }
.btn-primary { background: var(--fg-strong); color: var(--fg-inverse); border-color: var(--fg-strong); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn-secondary { border-color: var(--border-strong); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { color: var(--fg-secondary); padding: 0 12px; height: 32px; }
.btn-ghost:hover { color: var(--accent); }

.icon-btn {
  width: 36px; height: 36px;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-hair);
  background: transparent;
  color: var(--fg-secondary);
  display: inline-grid; place-items: center;
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.icon-btn:hover { color: var(--accent); border-color: var(--accent-hair); }
.icon-btn svg { display: block; }

/* ============================================================
   Header
   ============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  height: var(--header-h);
  background: var(--bg-canvas);
  border-bottom: 1px solid var(--border-hair);
}
.site-header__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--gutter);
  display: flex; align-items: center; gap: var(--sp-4);
}
.site-header__spacer { flex: 1; }
.nav-toggle { display: none; }

.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--fg-strong); }
.brand:hover { color: var(--accent); }
.brand__mark { display: block; height: 28px; width: auto; }
.brand__img { display: block; height: 28px; width: auto; }
.brand__text {
  font-family: var(--font-meta);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-strong);
  white-space: nowrap;
}

.header-links { display: flex; align-items: center; gap: 24px; }
.header-links a {
  font-family: var(--font-meta);
  font-size: 14px;
  font-weight: 500;
  color: var(--fg-strong);
}
.header-links a:hover { color: var(--accent); }
.header-links__repo { display: inline-grid; place-items: center; color: var(--fg-secondary); }
.header-links__repo svg { display: block; }

/* Show one icon at a time: sun while dark (offers light), moon while light.
   Selectors carry `.theme-toggle` so they outrank the generic `.icon-btn svg`. */
.theme-toggle .theme-toggle__sun { display: none; }
.theme-toggle .theme-toggle__moon { display: block; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__sun { display: block; }
:root[data-theme="dark"] .theme-toggle .theme-toggle__moon { display: none; }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .theme-toggle__sun { display: block; }
  :root:not([data-theme="light"]) .theme-toggle .theme-toggle__moon { display: none; }
}

/* Search */
.search { position: relative; }
.search__form {
  display: flex; align-items: center; gap: 8px;
  height: 36px; width: 260px;
  padding: 0 12px;
  border: 1px solid var(--border-hair);
  border-radius: var(--r-pill);
  background: var(--bg-surface);
  color: var(--fg-tertiary);
  transition: border-color var(--dur-fast);
}
.search__form:focus-within { border-color: var(--accent-hair); }
.search__icon { flex: none; }
.search__input {
  flex: 1; min-width: 0;
  background: transparent; border: 0; outline: 0;
  font-family: var(--font-meta); font-size: 14px;
  color: var(--fg-primary);
}
.search__input::placeholder { color: var(--fg-tertiary); }
.search__input::-webkit-search-cancel-button { -webkit-appearance: none; }
.search__kbd {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--fg-tertiary);
  border: 1px solid var(--border-hair); border-radius: var(--r-sm);
  padding: 0 6px; line-height: 18px;
}
.search__results {
  position: absolute; top: calc(100% + 8px); right: 0;
  width: min(520px, calc(100vw - 2 * var(--gutter)));
  max-height: min(70vh, 560px); overflow: auto;
  background: var(--bg-raised);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-lg);
  padding: 8px;
  z-index: 60;
}
.search__results[hidden] { display: none; }
.search__results article, .search-page__results article {
  padding: 12px 14px;
  border-radius: var(--r-md);
}
.search__results article:hover { background: var(--bg-surface); }
.search__results article + article { border-top: 1px solid var(--border-hair); }
.search__results h3, .search-page__results h3 {
  margin: 0 0 2px;
  font-family: var(--font-meta); font-size: 14px; font-weight: 500; line-height: 1.5;
}
.search__results p, .search-page__results p {
  margin: 0;
  font-size: 13px; line-height: 1.6;
  color: var(--fg-secondary);
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.search__results > p { padding: 12px 14px; color: var(--fg-tertiary); font-family: var(--font-meta); }

.search-page__form {
  display: flex; align-items: center; gap: 12px;
  height: 52px; padding: 0 18px; margin: var(--sp-5) 0 var(--sp-6);
  border: 1px solid var(--border-strong); border-radius: var(--r-pill);
  background: var(--bg-surface); color: var(--fg-tertiary);
}
.search-page__form:focus-within { border-color: var(--accent-hair); }
.search-page__input { flex: 1; background: transparent; border: 0; outline: 0; font-family: var(--font-meta); font-size: 16px; color: var(--fg-primary); }
.search-page__results article { padding: 18px 0; border-top: 1px solid var(--border-hair); }
.search-page__results h3 { font-size: 16px; }
.search-page__results p { -webkit-line-clamp: 3; }

/* ============================================================
   Layout · sidebar | content | toc
   ============================================================ */
.layout {
  flex: 1;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr) var(--toc-w);
  gap: 0 var(--sp-8);
}
body.no-toc .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); }

.sidebar {
  border-right: 1px solid var(--border-hair);
}
.sidebar__inner {
  position: sticky; top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: var(--sp-6) var(--sp-5) var(--sp-8) 0;
  scrollbar-width: thin;
}
.sidebar-scrim { display: none; }

.toc { }
.toc__inner {
  position: sticky; top: var(--header-h);
  max-height: calc(100vh - var(--header-h));
  overflow-y: auto;
  padding: var(--sp-6) 0 var(--sp-8);
  scrollbar-width: thin;
}

.main { min-width: 0; padding: var(--sp-6) 0 var(--sp-9); }

/* ---------- Sidebar nav ---------- */
.nav__list { list-style: none; margin: 0; padding: 0; }
.nav__list--0 > .nav__item + .nav__item { margin-top: 2px; }
.nav__list--0 > .nav__item--section { margin-top: var(--sp-5); }
.nav__list--0 > .nav__item--section:first-child { margin-top: 0; }
.nav__item { position: relative; }
.nav__link, .nav__section {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  font-family: var(--font-meta);
  font-size: 14px;
  line-height: 1.5;
  padding: 6px 10px;
  margin: 0 -10px;
  border-radius: var(--r-md);
  color: var(--fg-secondary);
  transition: color var(--dur-fast), background var(--dur-fast);
}
.nav__link:hover, .nav__section:hover { color: var(--fg-strong); background: var(--bg-surface); }
.nav__item.is-active > .nav__link {
  color: var(--accent);
  background: var(--accent-soft);
}
.nav__link--external .nav__ext { color: var(--fg-muted); font-size: 12px; }
.nav__list--0 > .nav__item--section > details > .nav__section {
  font-size: 12px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  font-weight: 500;
}
.nav__list--0 > .nav__item--section > details > .nav__section:hover { color: var(--fg-strong); }
.nav__section { cursor: pointer; list-style: none; user-select: none; }
.nav__section::-webkit-details-marker { display: none; }
.nav__chevron { flex: none; color: var(--fg-muted); transition: transform var(--dur-base) var(--ease); }
details[open] > .nav__section .nav__chevron { transform: rotate(90deg); }
.nav__item--section.is-active > details > .nav__section { color: var(--fg-strong); }

/* nested lists get a hairline rail */
.nav__list--1, .nav__list--2, .nav__list--3 {
  margin-top: 2px;
  margin-left: 0;
  padding-left: 12px;
  border-left: 1px solid var(--border-hair);
}
.nav__list--1 { margin-left: 2px; }
.nav__list--1 > .nav__item--section > details > .nav__section { font-size: 14px; text-transform: none; letter-spacing: 0; }
.nav__list--2 .nav__link, .nav__list--3 .nav__link { font-size: 13px; }

/* ---------- TOC ---------- */
.toc__list { list-style: none; margin: 0; padding: 0; }
.toc__list .toc__list { padding-left: 12px; }
.toc__link {
  display: block;
  font-family: var(--font-meta);
  font-size: 13px;
  line-height: 1.5;
  padding: 4px 0 4px 12px;
  margin-left: -1px;
  border-left: 1px solid var(--border-hair);
  color: var(--fg-tertiary);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.toc__link:hover { color: var(--fg-strong); }
.toc__link.is-active { color: var(--accent); border-left-color: var(--accent); }
.toc__top {
  display: inline-block; margin-top: var(--sp-5);
  font-family: var(--font-meta); font-size: 12px; color: var(--fg-tertiary);
}

/* ============================================================
   Document
   ============================================================ */
.doc { max-width: var(--measure); }
.doc__eyebrow { margin-bottom: var(--sp-3); }
.doc__edit { margin: var(--sp-7) 0 0; }
.doc__edit .btn { margin-left: -12px; }

.pager {
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4);
  margin-top: var(--sp-7); padding-top: var(--sp-5);
  border-top: 1px solid var(--border-hair);
}
.pager__link {
  display: flex; flex-direction: column; gap: 4px;
  padding: 16px 18px;
  border: 1px solid var(--border-hair);
  border-radius: var(--r-lg);
  transition: border-color var(--dur-fast);
}
.pager__link:hover { border-color: var(--accent-hair); color: var(--fg-strong); }
.pager__link--next { text-align: right; align-items: flex-end; }
.pager__label { font-family: var(--font-meta); font-size: 12px; color: var(--fg-tertiary); letter-spacing: 0.02em; }
.pager__title { font-size: 15px; color: var(--fg-strong); }
.pager__link:hover .pager__title { color: var(--accent); }

/* ---------- Markdown content ---------- */
.md > :first-child { margin-top: 0; }
.md h1, .md h2, .md h3, .md h4, .md h5, .md h6 {
  font-family: var(--font-sans);
  font-weight: 400;
  color: var(--fg-strong);
  scroll-margin-top: calc(var(--header-h) + 24px);
  position: relative;
}
.md h1 { font-size: 40px; line-height: 1.15; letter-spacing: -0.015em; margin: 0 0 var(--sp-5); }
.md h2 { font-size: 28px; line-height: 1.25; letter-spacing: -0.01em; margin: var(--sp-8) 0 var(--sp-4); padding-top: var(--sp-5); border-top: 1px solid var(--border-hair); }
.md h3 { font-size: 21px; line-height: 1.3;  letter-spacing: -0.005em; margin: var(--sp-6) 0 var(--sp-3); }
.md h4 { font-size: 17px; line-height: 1.4;  margin: var(--sp-5) 0 var(--sp-2); font-weight: 500; }
.md h5, .md h6 { font-family: var(--font-meta); font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--fg-tertiary); margin: var(--sp-5) 0 var(--sp-2); }
.md h1 + h2 { border-top: 0; padding-top: 0; margin-top: var(--sp-6); }

/* permalink anchors from toc(permalink: true) */
.md .headerlink {
  position: absolute; left: -1.2em; top: 0;
  color: var(--fg-muted); font-family: var(--font-mono); font-size: 0.7em; line-height: inherit;
  opacity: 0; transition: opacity var(--dur-fast);
  padding-right: 0.4em;
}
.md h2 .headerlink { top: var(--sp-5); }
.md :is(h1,h2,h3,h4,h5,h6):hover .headerlink, .md .headerlink:focus { opacity: 1; }
.md .headerlink:hover { color: var(--accent); }

.md p { margin: 0 0 var(--sp-4); }
.md p:last-child { margin-bottom: 0; }
.md > p:first-of-type:not(:only-child), .md h1 + p { font-size: 18px; line-height: 1.7; color: var(--fg-secondary); }
.md a { color: var(--fg-strong); border-bottom: 1px solid var(--accent-hair); transition: color var(--dur-fast), border-color var(--dur-fast); }
.md a:hover { color: var(--accent); border-bottom-color: var(--accent); }
.md a.headerlink { border: 0; }
.md strong { font-weight: 500; color: var(--fg-strong); }
.md em { font-style: italic; }
.md small { font-size: 13px; color: var(--fg-secondary); }
.md hr { border: 0; border-top: 1px solid var(--border-hair); margin: var(--sp-7) 0; }

.md ul, .md ol { margin: 0 0 var(--sp-4); padding-left: 1.4em; }
.md li { margin: 0.2em 0; }
.md li > ul, .md li > ol { margin: 0.2em 0 0.2em; }
.md ul { list-style: none; }
.md ul > li { position: relative; }
.md ul > li::before {
  content: ""; position: absolute; left: -1.1em; top: 0.85em;
  width: 6px; height: 1px; background: var(--fg-tertiary);
}
.md ol { list-style: none; counter-reset: li; }
.md ol > li { counter-increment: li; position: relative; }
.md ol > li::before {
  content: counter(li, decimal-leading-zero);
  position: absolute; left: -1.75em; top: 0.35em;
  font-family: var(--font-mono); font-size: 12px; color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.md ol { padding-left: 2em; }
/* task lists (pymdownx.tasklist) */
.md .task-list-item::before { display: none; }
.md .task-list-item { list-style: none; }
.md .task-list-control, .md input[type="checkbox"] { accent-color: var(--accent); margin-right: 8px; }

.md dl { margin: 0 0 var(--sp-4); }
.md dt { font-family: var(--font-meta); font-weight: 500; color: var(--fg-strong); }
.md dd { margin: 0 0 var(--sp-3); padding-left: var(--sp-4); border-left: 1px solid var(--border-hair); color: var(--fg-secondary); }

.md blockquote {
  margin: var(--sp-5) 0;
  padding: 2px 0 2px var(--sp-5);
  border-left: 1px solid var(--accent);
  color: var(--fg-secondary);
}
.md blockquote p:last-child { margin: 0; }

.md img { border-radius: var(--r-md); border: 1px solid var(--border-hair); display: block; margin: var(--sp-5) 0; }
.md figure { margin: var(--sp-5) 0; }
.md figcaption { font-family: var(--font-meta); font-size: 13px; color: var(--fg-tertiary); margin-top: 8px; }

/* Tables */
.md table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--sp-5) 0;
  font-size: 14px;
  line-height: 1.6;
  display: block; overflow-x: auto;
}
.md thead th {
  font-family: var(--font-meta);
  font-size: 12px; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.04em;
  color: var(--fg-tertiary);
  text-align: left;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-strong);
}
.md tbody td { padding: 10px 14px; border-bottom: 1px solid var(--border-hair); vertical-align: top; }
.md tbody tr:hover td { background: var(--bg-surface); }
.md td code, .md th code { white-space: nowrap; }

/* Inline code */
.md code, .md kbd, .md samp {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--fg-strong);
  background: var(--bg-surface);
  border: 1px solid var(--border-hair);
  border-radius: var(--r-sm);
  padding: 0.1em 0.4em;
}
.md a code { color: inherit; }
.md kbd { font-size: 0.8em; padding: 0.15em 0.5em; border-color: var(--border-strong); }

/* Code blocks */
.md pre {
  position: relative;
  margin: var(--sp-5) 0;
  padding: 18px 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-hair);
  border-radius: var(--r-lg);
  overflow-x: auto;
  font-size: 13.5px;
  line-height: 1.7;
  tab-size: 2;
}
.md pre code { background: transparent; border: 0; padding: 0; font-size: inherit; color: var(--fg-primary); }
.md .highlight, .md .codehilite { position: relative; margin: var(--sp-5) 0; }
.md .highlight pre, .md .codehilite pre { margin: 0; }
.md .highlight + .highlight { margin-top: var(--sp-3); }
/* filename header (pymdownx.highlight title=…) */
.md .highlight > .filename {
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-tertiary);
  padding: 8px 20px; background: var(--bg-raised);
  border: 1px solid var(--border-hair); border-bottom: 0;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}
.md .highlight > .filename + pre { border-top-left-radius: 0; border-top-right-radius: 0; }
/* line numbers (pymdownx linenums table) */
.md .highlighttable { display: block; overflow-x: auto; margin: var(--sp-5) 0; border: 1px solid var(--border-hair); border-radius: var(--r-lg); background: var(--bg-surface); }
.md .highlighttable pre { border: 0; margin: 0; border-radius: 0; }
.md .highlighttable .linenos { color: var(--fg-muted); user-select: none; border-right: 1px solid var(--border-hair); }
.md .highlighttable .linenos pre { padding-right: 14px; }
.md .highlighttable tbody td { padding: 0; border: 0; }
.md .highlight .hll, .md .codehilite .hll { background: var(--accent-soft); display: block; margin: 0 -20px; padding: 0 20px; }

/* Copy button (added by inxm.js) */
.code-copy {
  position: absolute; top: 10px; right: 10px;
  height: 26px; padding: 0 10px;
  font-family: var(--font-meta); font-size: 11px; font-weight: 500; letter-spacing: 0.02em;
  border-radius: var(--r-pill);
  border: 1px solid var(--border-hair);
  background: var(--bg-canvas);
  color: var(--fg-tertiary);
  cursor: pointer;
  opacity: 0;
  transition: opacity var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast);
}
.md pre:hover .code-copy, .code-copy:focus-visible, .code-copy.is-done { opacity: 1; }
.code-copy:hover { color: var(--accent); border-color: var(--accent-hair); }
.code-copy.is-done { color: var(--accent); border-color: var(--accent-hair); }

/* Pygments tokens — restrained palette */
.highlight, .codehilite { color: var(--fg-primary); }
.highlight .c, .highlight .ch, .highlight .cm, .highlight .c1, .highlight .cs, .highlight .cp, .highlight .cpf,
.codehilite .c, .codehilite .c1, .codehilite .cm, .codehilite .cs, .codehilite .cp { color: var(--code-cmt); font-style: italic; }
.highlight .k, .highlight .kc, .highlight .kd, .highlight .kn, .highlight .kp, .highlight .kr, .highlight .kt, .highlight .ow,
.codehilite .k, .codehilite .kc, .codehilite .kd, .codehilite .kn, .codehilite .kp, .codehilite .kr, .codehilite .kt, .codehilite .ow { color: var(--code-kw); }
.highlight .s, .highlight .sa, .highlight .sb, .highlight .sc, .highlight .dl, .highlight .sd, .highlight .s2, .highlight .se, .highlight .sh, .highlight .si, .highlight .sx, .highlight .sr, .highlight .s1, .highlight .ss,
.codehilite .s, .codehilite .s1, .codehilite .s2, .codehilite .sd, .codehilite .sb, .codehilite .se, .codehilite .si, .codehilite .sr, .codehilite .ss { color: var(--code-str); }
.highlight .m, .highlight .mb, .highlight .mf, .highlight .mh, .highlight .mi, .highlight .il, .highlight .mo,
.codehilite .m, .codehilite .mi, .codehilite .mf, .codehilite .mh, .codehilite .mo { color: var(--code-num); }
.highlight .nf, .highlight .fm, .highlight .nc, .highlight .nn, .highlight .nd, .highlight .ne, .highlight .nt,
.codehilite .nf, .codehilite .nc, .codehilite .nn, .codehilite .nd, .codehilite .ne, .codehilite .nt { color: var(--code-fn); }
.highlight .na, .highlight .nb, .highlight .bp, .highlight .nv, .highlight .vc, .highlight .vg, .highlight .vi, .highlight .vm,
.codehilite .na, .codehilite .nb, .codehilite .nv { color: var(--fg-primary); }
.highlight .o, .codehilite .o { color: var(--code-op); }
.highlight .p, .codehilite .p { color: var(--code-punct); }
.highlight .gd { color: var(--status-error); }
.highlight .gi { color: var(--status-ok); }
.highlight .gh, .highlight .gu { color: var(--fg-strong); }
.highlight .err { color: var(--status-error); }
.highlight .w { color: inherit; }
/* YAML/JSON keys */
.highlight .nt, .highlight .l-Scalar-Plain { color: var(--fg-strong); }

/* Admonitions (admonition ext) + details (pymdownx.details) */
.md .admonition, .md details.admonition, .md details {
  margin: var(--sp-5) 0;
  padding: 14px 18px 14px 20px;
  border: 1px solid var(--border-hair);
  border-left: 2px solid var(--fg-tertiary);
  border-radius: var(--r-md);
  background: var(--bg-surface);
  font-size: 15px;
}
.md .admonition > .admonition-title, .md details > summary {
  font-family: var(--font-meta);
  font-size: 12px; font-weight: 500;
  letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0 0 6px;
  display: flex; align-items: baseline; gap: 8px;
}
.md .admonition > .admonition-title::before, .md details > summary::before {
  content: "//"; font-family: var(--font-mono); color: var(--fg-tertiary); letter-spacing: 0;
}
.md .admonition > :last-child { margin-bottom: 0; }
.md details > summary { cursor: pointer; list-style: none; }
.md details > summary::-webkit-details-marker { display: none; }
.md details > summary::after { content: "+"; margin-left: auto; font-family: var(--font-mono); color: var(--fg-muted); }
.md details[open] > summary::after { content: "−"; }
.md details[open] > summary { margin-bottom: 10px; }

.md :is(.admonition, details).note,
.md :is(.admonition, details).info,
.md :is(.admonition, details).abstract,
.md :is(.admonition, details).summary { border-left-color: var(--status-info); }
.md :is(.admonition, details).note > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).info > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).abstract > :is(.admonition-title, summary)::before { color: var(--status-info); }

.md :is(.admonition, details).tip,
.md :is(.admonition, details).hint,
.md :is(.admonition, details).success,
.md :is(.admonition, details).check { border-left-color: var(--status-ok); }
.md :is(.admonition, details).tip > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).hint > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).success > :is(.admonition-title, summary)::before { color: var(--status-ok); }

.md :is(.admonition, details).warning,
.md :is(.admonition, details).caution,
.md :is(.admonition, details).attention { border-left-color: var(--status-warn); }
.md :is(.admonition, details).warning > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).caution > :is(.admonition-title, summary)::before { color: var(--status-warn); }

.md :is(.admonition, details).danger,
.md :is(.admonition, details).error,
.md :is(.admonition, details).failure,
.md :is(.admonition, details).bug { border-left-color: var(--status-error); }
.md :is(.admonition, details).danger > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).error > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).bug > :is(.admonition-title, summary)::before { color: var(--status-error); }

.md :is(.admonition, details).example,
.md :is(.admonition, details).quote,
.md :is(.admonition, details).question { border-left-color: var(--accent); }
.md :is(.admonition, details).example > :is(.admonition-title, summary)::before,
.md :is(.admonition, details).question > :is(.admonition-title, summary)::before { color: var(--accent); }

/* Footnotes */
.md .footnote { font-size: 14px; color: var(--fg-secondary); border-top: 1px solid var(--border-hair); margin-top: var(--sp-7); padding-top: var(--sp-4); }
.md .footnote-ref, .md .footnote-backref { border: 0; font-family: var(--font-mono); font-size: 0.75em; color: var(--accent); }
.md sup { line-height: 0; }

/* Tabs (pymdownx.tabbed alternate style) */
.md .tabbed-set { margin: var(--sp-5) 0; border: 1px solid var(--border-hair); border-radius: var(--r-lg); overflow: hidden; }
.md .tabbed-set > input { display: none; }
.md .tabbed-labels { display: flex; gap: 0; border-bottom: 1px solid var(--border-hair); background: var(--bg-raised); overflow-x: auto; }
.md .tabbed-labels > label {
  font-family: var(--font-meta); font-size: 13px; font-weight: 500;
  padding: 10px 16px; color: var(--fg-tertiary); cursor: pointer;
  border-bottom: 1px solid transparent; margin-bottom: -1px; white-space: nowrap;
}
.md .tabbed-labels > label:hover { color: var(--fg-strong); }
.md .tabbed-content { padding: 0 18px; }
.md .tabbed-block { display: none; padding: var(--sp-4) 0; }
.md .tabbed-block > .highlight:first-child, .md .tabbed-block > pre:first-child { margin-top: 0; }
/* a tab that holds only a code block: let the code fill the tab */
.md .tabbed-block:has(> :is(.highlight, pre):only-child) { padding: 0; margin: 0 -18px; }
.md .tabbed-block > :is(.highlight, pre):only-child { margin: 0; }
.md .tabbed-block > .highlight:only-child pre, .md .tabbed-block > pre:only-child { border: 0; border-radius: 0; }
.md .tabbed-block > :last-child { margin-bottom: 0; }
.md .tabbed-set > input:nth-child(1):checked ~ .tabbed-labels > :nth-child(1),
.md .tabbed-set > input:nth-child(2):checked ~ .tabbed-labels > :nth-child(2),
.md .tabbed-set > input:nth-child(3):checked ~ .tabbed-labels > :nth-child(3),
.md .tabbed-set > input:nth-child(4):checked ~ .tabbed-labels > :nth-child(4),
.md .tabbed-set > input:nth-child(5):checked ~ .tabbed-labels > :nth-child(5),
.md .tabbed-set > input:nth-child(6):checked ~ .tabbed-labels > :nth-child(6) { color: var(--accent); border-bottom-color: var(--accent); }
.md .tabbed-set > input:nth-child(1):checked ~ .tabbed-content > :nth-child(1),
.md .tabbed-set > input:nth-child(2):checked ~ .tabbed-content > :nth-child(2),
.md .tabbed-set > input:nth-child(3):checked ~ .tabbed-content > :nth-child(3),
.md .tabbed-set > input:nth-child(4):checked ~ .tabbed-content > :nth-child(4),
.md .tabbed-set > input:nth-child(5):checked ~ .tabbed-content > :nth-child(5),
.md .tabbed-set > input:nth-child(6):checked ~ .tabbed-content > :nth-child(6) { display: block; }

/* Buttons written in Markdown: [text](url){ .btn .btn-primary } via attr_list */
.md a.btn { border-bottom: 0; margin: 4px 8px 4px 0; }
.md a.btn-primary { color: var(--fg-inverse); }
.md a.btn-primary:hover { color: var(--accent-ink); }
.md a.btn-secondary:hover { color: var(--accent); }
.md a.btn-ghost { color: var(--fg-secondary); }
.md a.btn-ghost:hover { color: var(--accent); }

/* Chips / tags via attr_list: `text`{ .chip } */
.md .chip {
  display: inline-flex; align-items: center; height: 24px; padding: 0 10px;
  border: 1px solid var(--border-strong); border-radius: var(--r-pill);
  font-family: var(--font-mono); font-size: 12px; color: var(--fg-secondary); background: transparent;
}

/* Mark */
.md mark { background: var(--accent-soft); color: var(--fg-strong); padding: 0 0.2em; border-radius: var(--r-xs); }

/* Cards grid via attr_list on a list: { .cards } */
.md ul.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: var(--sp-4); padding: 0; margin: var(--sp-5) 0; }
.md ul.cards > li { margin: 0; padding: 18px 20px; border: 1px solid var(--border-hair); border-radius: var(--r-lg); background: var(--bg-surface); transition: border-color var(--dur-fast); }
.md ul.cards > li:hover { border-color: var(--accent-hair); }
.md ul.cards > li::before { display: none; }
.md ul.cards > li > a:first-child { display: block; font-family: var(--font-meta); font-weight: 500; border: 0; margin-bottom: 4px; }
.md ul.cards > li > a:first-child::after { content: " →"; color: var(--accent); }

/* Search page / 404 */
.doc--404 .btn { margin-right: 8px; }

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  border-top: 1px solid var(--border-hair);
  background: var(--bg-canvas);
}
.site-footer__inner {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-5) var(--gutter);
  display: flex; justify-content: space-between; align-items: flex-start; gap: var(--sp-6); flex-wrap: wrap;
  font-family: var(--font-meta);
  font-size: 13px;
  color: var(--fg-tertiary);
}
.site-footer p { margin: 0; }
.site-footer a { color: var(--fg-secondary); }
.site-footer a:hover { color: var(--accent); }
.site-footer__meta { margin-top: 4px !important; color: var(--fg-muted); }
.site-footer__links { display: flex; gap: 20px; flex-wrap: wrap; }

/* ============================================================
   Responsive
   ============================================================ */
@media (min-width: 1600px) { :root { --gutter: 100px; } }

@media (max-width: 1180px) {
  :root { --toc-w: 0px; }
  .layout, body.no-toc .layout { grid-template-columns: var(--sidebar-w) minmax(0, 1fr); gap: 0 var(--sp-7); }
  .toc { display: none; }
}

@media (max-width: 860px) {
  :root { --gutter: 16px; --header-h: 56px; }
  .layout { display: block; padding: 0 var(--gutter); }
  .main { padding-top: var(--sp-5); }
  .nav-toggle { display: inline-grid; }
  .brand__text { display: none; }
  .header-links a:not(.header-links__repo) { display: none; }
  .search__form { width: 36px; padding: 0; justify-content: center; }
  .search__form:focus-within { width: min(60vw, 320px); padding: 0 12px; justify-content: flex-start; }
  .search__input { flex: 0 0 0; width: 0; opacity: 0; }
  .search__form:focus-within .search__input { flex: 1; width: auto; opacity: 1; }
  .search__kbd { display: none; }
  .search__icon { cursor: pointer; }
  .search__results { right: auto; left: 0; width: min(520px, calc(100vw - 2 * var(--gutter))); }

  .sidebar {
    position: fixed; top: var(--header-h); left: 0; bottom: 0; z-index: 45;
    width: min(320px, 85vw);
    background: var(--bg-canvas);
    border-right: 1px solid var(--border-hair);
    transform: translateX(-100%);
    transition: transform var(--dur-base) var(--ease);
  }
  .sidebar__inner { padding: var(--sp-5) var(--sp-5) var(--sp-8); max-height: 100%; }
  body.nav-open .sidebar { transform: none; }
  .sidebar-scrim { position: fixed; inset: var(--header-h) 0 0 0; z-index: 40; background: rgba(0, 0, 0, 0.45); }
  body.nav-open .sidebar-scrim { display: block; }
  body.nav-open { overflow: hidden; }

  .md h1 { font-size: 32px; }
  .md h2 { font-size: 24px; }
  .pager { grid-template-columns: 1fr; }
  .pager__link--next { text-align: left; align-items: flex-start; }
  .md .headerlink { position: static; padding-left: 0.3em; }
  .md h2 .headerlink { top: auto; }
}

@media print {
  .site-header, .sidebar, .toc, .site-footer, .pager, .doc__edit, .code-copy { display: none !important; }
  .layout { display: block; }
  .doc { max-width: none; }
  body { background: #fff; color: #000; }
}