/* ==========================================================================
   MCP for QA — design system
   Single stylesheet, no external deps (Cloudflare-friendly, CSP-safe).
   ========================================================================== */

:root {
  color-scheme: light dark;

  /* Neutrals — light theme is the base definition */
  --bg:            #f7f8fa;
  --bg-elev:       #ffffff;
  --bg-sunken:     #eceef2;
  --bg-code:       #f2f4f7;
  --border:        #dde1e8;
  --border-strong: #c3c9d4;

  --text:          #171a1f;
  --text-muted:    #5b6472;
  --text-faint:    #8a929e;

  /* Brand + category accents */
  --accent:        #2f6df6;
  --accent-soft:   rgba(47, 109, 246, 0.10);
  --accent-text:   #1f4fc4;

  --c-browser:     #7c5cff;
  --c-manage:      #e0663d;
  --c-api:         #12967a;
  --c-dev:         #2f6df6;
  --c-collab:      #c2437f;

  --ok:            #12805c;
  --warn:          #a16207;
  --danger:        #c0392e;
  --ok-bg:         rgba(18, 128, 92, 0.10);
  --warn-bg:       rgba(161, 98, 7, 0.10);
  --danger-bg:     rgba(192, 57, 46, 0.10);

  --shadow-sm: 0 1px 2px rgba(16, 20, 28, 0.06), 0 1px 3px rgba(16, 20, 28, 0.04);
  --shadow-md: 0 2px 4px rgba(16, 20, 28, 0.05), 0 8px 24px rgba(16, 20, 28, 0.08);

  --radius:    10px;
  --radius-sm: 6px;
  --radius-lg: 16px;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto,
               "Helvetica Neue", Arial, sans-serif;
  --font-mono: "SFMono-Regular", ui-monospace, "Cascadia Mono", Consolas,
               "Liberation Mono", Menlo, monospace;

  --maxw: 1180px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg:            #0e1116;
    --bg-elev:       #161a21;
    --bg-sunken:     #11151b;
    --bg-code:       #12161d;
    --border:        #272d38;
    --border-strong: #3a4250;

    --text:          #e7ebf2;
    --text-muted:    #9aa4b4;
    --text-faint:    #6e7887;

    --accent:        #5b8dff;
    --accent-soft:   rgba(91, 141, 255, 0.14);
    --accent-text:   #8fb0ff;

    --c-browser:     #a98bff;
    --c-manage:      #f0855c;
    --c-api:         #2fc39c;
    --c-dev:         #5b8dff;
    --c-collab:      #ef70a8;

    --ok:            #3fca9c;
    --warn:          #e0b243;
    --danger:        #f47b6e;
    --ok-bg:         rgba(63, 202, 156, 0.12);
    --warn-bg:       rgba(224, 178, 67, 0.12);
    --danger-bg:     rgba(244, 123, 110, 0.12);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}

:root[data-theme="dark"] {
  --bg:            #0e1116;
  --bg-elev:       #161a21;
  --bg-sunken:     #11151b;
  --bg-code:       #12161d;
  --border:        #272d38;
  --border-strong: #3a4250;

  --text:          #e7ebf2;
  --text-muted:    #9aa4b4;
  --text-faint:    #6e7887;

  --accent:        #5b8dff;
  --accent-soft:   rgba(91, 141, 255, 0.14);
  --accent-text:   #8fb0ff;

  --c-browser:     #a98bff;
  --c-manage:      #f0855c;
  --c-api:         #2fc39c;
  --c-dev:         #5b8dff;
  --c-collab:      #ef70a8;

  --ok:            #3fca9c;
  --warn:          #e0b243;
  --danger:        #f47b6e;
  --ok-bg:         rgba(63, 202, 156, 0.12);
  --warn-bg:       rgba(224, 178, 67, 0.12);
  --danger-bg:     rgba(244, 123, 110, 0.12);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.45);
}

/* --------------------------------------------------------------- reset -- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 86px; }
* { scrollbar-width: thin; scrollbar-color: var(--border-strong) transparent; }
::selection { background: color-mix(in srgb, var(--accent) 25%, transparent); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; height: auto; display: block; }
a { color: var(--accent-text); text-decoration-color: color-mix(in srgb, var(--accent-text) 40%, transparent); text-underline-offset: 2px; }
a:hover { text-decoration-color: currentColor; }
h1, h2, h3, h4 { line-height: 1.25; font-weight: 650; letter-spacing: -0.015em; margin: 0 0 .5em; text-wrap: balance; }
h1 { font-size: clamp(1.9rem, 1.3rem + 2.2vw, 2.7rem); }
h2 { font-size: clamp(1.4rem, 1.1rem + 1.1vw, 1.8rem); }
h3 { font-size: 1.13rem; }
h4 { font-size: 1rem; }
p  { margin: 0 0 1em; }
ul, ol { margin: 0 0 1em; padding-left: 1.35em; }
li { margin-bottom: .35em; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2.5rem 0; }
code, kbd, pre, samp { font-family: var(--font-mono); font-size: .875em; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 3px; }

/* ----------------------------------------------------------- skip link -- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--accent); color: #fff; padding: .6rem 1rem; border-radius: 0 0 var(--radius-sm) 0;
}
.skip:focus { left: 0; }

/* --------------------------------------------------------------- shell -- */
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 clamp(1rem, 3vw, 2rem); }

.topbar {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar__inner {
  max-width: var(--maxw); margin: 0 auto;
  padding: .6rem clamp(1rem, 3vw, 2rem);
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
}
.brand {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; letter-spacing: -0.02em; color: var(--text);
  text-decoration: none; font-size: 1rem; white-space: nowrap;
}
.brand__mark {
  width: 26px; height: 26px; border-radius: 7px; flex: 0 0 auto;
  background: linear-gradient(135deg, var(--accent), var(--c-browser));
  display: grid; place-items: center; color: #fff; font-size: .72rem; font-weight: 800;
  font-family: var(--font-mono);
}
.brand small { display: block; font-weight: 500; color: var(--text-faint); font-size: .7rem; letter-spacing: 0; }

.nav { display: flex; gap: .15rem; flex-wrap: wrap; margin-left: auto; align-items: center; }
.nav a {
  color: var(--text-muted); text-decoration: none; font-size: .875rem; font-weight: 500;
  padding: .35rem .6rem; border-radius: var(--radius-sm); white-space: nowrap;
}
.nav a:hover { background: var(--bg-sunken); color: var(--text); }
.nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }

.iconbtn {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-muted);
  width: 32px; height: 32px; border-radius: var(--radius-sm); cursor: pointer;
  display: grid; place-items: center; font-size: .95rem; flex: 0 0 auto;
}
.iconbtn:hover { color: var(--text); border-color: var(--border-strong); }

/* ----------------------------------------------------------------- hero -- */
.hero {
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 2rem;
  border-bottom: 1px solid var(--border);
  position: relative; overflow: hidden;
}
/* Soft category-tinted wash in the hero's top-right corner. --hero-accent
   is set by the per-page hero--* modifier; the index falls back to brand blue. */
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(720px 340px at 88% -20%,
      color-mix(in srgb, var(--hero-accent, var(--accent)) 16%, transparent),
      transparent 70%);
}
.hero > .wrap { position: relative; }
.hero--browser { --hero-accent: var(--c-browser); }
.hero--manage  { --hero-accent: var(--c-manage); }
.hero--api     { --hero-accent: var(--c-api); }
.hero--dev     { --hero-accent: var(--c-dev); }
.hero--collab  { --hero-accent: var(--c-collab); }
.hero__eyebrow {
  font-family: var(--font-mono); font-size: .75rem; letter-spacing: .12em; text-transform: uppercase;
  color: color-mix(in srgb, var(--hero-accent, var(--accent-text)) 75%, var(--text));
  margin-bottom: .9rem;
}
.hero__eyebrow::before {
  content: ""; display: inline-block; width: 2em; height: 2px; margin-right: .7em;
  vertical-align: middle; border-radius: 1px;
  background: var(--hero-accent, var(--accent));
}
.hero p.lede { font-size: 1.1rem; color: var(--text-muted); max-width: 62ch; }
.hero__stats { display: flex; gap: 2rem; flex-wrap: wrap; margin-top: 2rem; }
.stat strong { display: block; font-size: 1.6rem; font-weight: 700; letter-spacing: -.02em; }
.stat span { font-size: .8rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; }

/* ---------------------------------------------------------------- main -- */
main { padding: 2.5rem 0 4rem; }
section.band { padding: 2.5rem 0; }
section.band + section.band { border-top: 1px solid var(--border); }
.section-head { margin-bottom: 1.5rem; }
.section-head p { color: var(--text-muted); max-width: 70ch; margin: 0; }

/* --------------------------------------------------------------- cards -- */
.grid { display: grid; gap: 1rem; }
.grid--3 { grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.15rem 1.25rem; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; gap: .5rem;
  text-decoration: none; color: inherit; position: relative;
}
a.card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-1px); }
a.card { transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease; }
.card__num {
  font-family: var(--font-mono); font-size: .7rem; color: var(--text-faint);
}
.card h3 { margin: 0; font-size: 1.02rem; }
.card p { margin: 0; font-size: .875rem; color: var(--text-muted); }
.card__foot { margin-top: auto; padding-top: .6rem; display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.card > :last-child { margin-bottom: 0; }

.cat-card { border-left: 3px solid var(--cat, var(--accent)); }
.cat-browser { --cat: var(--c-browser); }
.cat-manage  { --cat: var(--c-manage); }
.cat-api     { --cat: var(--c-api); }
.cat-dev     { --cat: var(--c-dev); }
.cat-collab  { --cat: var(--c-collab); }

/* -------------------------------------------------------------- badges -- */
.badge {
  display: inline-flex; align-items: center; gap: .3rem;
  font-size: .68rem; font-weight: 650; letter-spacing: .04em; text-transform: uppercase;
  padding: .18rem .48rem; border-radius: 999px; white-space: nowrap;
  border: 1px solid transparent; font-family: var(--font-sans);
}
.badge--official { background: var(--ok-bg); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 30%, transparent); }
.badge--community{ background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge--archived { background: var(--danger-bg); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.badge--danger   { background: var(--danger-bg); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 30%, transparent); }
.badge--warn     { background: var(--warn-bg); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 30%, transparent); }
.badge--neutral  { background: var(--bg-sunken); color: var(--text-muted); border-color: var(--border); }
.badge--cat      { background: color-mix(in srgb, var(--cat, var(--accent)) 14%, transparent); color: var(--cat, var(--accent)); border-color: color-mix(in srgb, var(--cat, var(--accent)) 30%, transparent); }
.badge--star     { background: var(--accent-soft); color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 30%, transparent); }

/* ------------------------------------------------------------- callout -- */
.callout {
  border: 1px solid var(--border); border-left: 3px solid var(--accent);
  background: var(--bg-elev); border-radius: var(--radius-sm);
  padding: .9rem 1.1rem; margin: 1.25rem 0; font-size: .925rem;
}
.callout > :last-child { margin-bottom: 0; }
.callout__title { font-weight: 650; display: block; margin-bottom: .25rem; font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; }
.callout--warn   { border-left-color: var(--warn); }
.callout--warn   .callout__title { color: var(--warn); }
.callout--danger { border-left-color: var(--danger); }
.callout--danger .callout__title { color: var(--danger); }
.callout--ok     { border-left-color: var(--ok); }
.callout--ok     .callout__title { color: var(--ok); }
.callout--tip    .callout__title { color: var(--accent-text); }

/* ---------------------------------------------------------------- code -- */
.codeblock { position: relative; margin: 1rem 0; }
.codeblock__label {
  font-family: var(--font-mono); font-size: .7rem; color: var(--text-faint);
  background: var(--bg-sunken); border: 1px solid var(--border); border-bottom: 0;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0; padding: .3rem .7rem;
  display: flex; align-items: center; gap: .55rem;
}
.codeblock__label::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%; flex: 0 0 auto;
  background: color-mix(in srgb, var(--accent) 65%, var(--text-faint));
}
.codeblock__label .copybtn { margin-left: auto; }
.codeblock pre {
  margin: 0; background: var(--bg-code); border: 1px solid var(--border);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: .85rem 1rem; overflow-x: auto; line-height: 1.55;
  font-size: .82rem; color: var(--text);
}
.codeblock--bare pre { border-radius: var(--radius-sm); }
.copybtn {
  background: transparent; border: 1px solid var(--border); color: var(--text-faint);
  font-size: .68rem; font-family: var(--font-sans); padding: .1rem .45rem;
  border-radius: 4px; cursor: pointer; letter-spacing: .03em;
}
.copybtn:hover { color: var(--text); border-color: var(--border-strong); }
.copybtn[data-done="1"] { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }

p code, li code, td code, th code, dd code, .prompt code {
  background: var(--bg-code); border: 1px solid var(--border);
  padding: .06em .35em; border-radius: 4px;
  /* `anywhere` rather than nowrap: long identifiers like
     --allowed-origins or a getByRole() call would otherwise push the
     page wider than a phone viewport. */
  overflow-wrap: anywhere;
}

/* --------------------------------------------------------------- table -- */
.tablewrap { overflow-x: auto; margin: 1.25rem 0; border: 1px solid var(--border); border-radius: var(--radius-sm); }
table { border-collapse: collapse; width: 100%; font-size: .875rem; min-width: 640px; }
thead th {
  background: var(--bg-sunken); text-align: left; font-weight: 650; font-size: .74rem;
  text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted);
  padding: .6rem .8rem; border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody td { padding: .6rem .8rem; border-bottom: 1px solid var(--border); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: color-mix(in srgb, var(--bg-sunken) 45%, transparent); }
tbody tr:hover { background: var(--bg-sunken); }
td strong { font-weight: 650; }

/* ------------------------------------------------------- guide layout -- */
.doc { display: grid; grid-template-columns: 230px minmax(0, 1fr); gap: 2.5rem; align-items: start; }
/* minmax(0,1fr) rather than 1fr: an auto-min track lets the min-width:640px
   tables and wide <pre> blocks stretch the page instead of scrolling inside
   their own containers. */
@media (max-width: 900px) { .doc { grid-template-columns: minmax(0, 1fr); gap: 1.5rem; } }

.toc {
  position: sticky; top: 74px; max-height: calc(100vh - 96px); overflow-y: auto;
  font-size: .84rem; padding-right: .5rem;
}
@media (max-width: 900px) {
  .toc { position: static; max-height: none; border: 1px solid var(--border);
         border-radius: var(--radius-sm); padding: .9rem 1rem; background: var(--bg-elev); }
}
.toc__title { font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--text-faint); margin-bottom: .6rem; font-weight: 650; }
.toc ol { list-style: none; margin: 0; padding: 0; }
.toc li { margin: 0; }
.toc a {
  display: block; padding: .3rem .55rem; color: var(--text-muted); text-decoration: none;
  border-left: 2px solid var(--border); border-radius: 0 4px 4px 0; line-height: 1.4;
  transition: color .1s ease, background-color .1s ease, border-color .1s ease;
}
.toc a:hover { color: var(--text); background: var(--bg-sunken); }
.toc a.is-active { color: var(--accent-text); border-left-color: var(--accent); background: var(--accent-soft); font-weight: 550; }

/* ------------------------------------------------------------- server -- */
.server {
  border: 1px solid var(--border); border-radius: var(--radius-lg);
  background: var(--bg-elev); padding: clamp(1.2rem, 3vw, 2rem);
  margin: 0 0 2rem; box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--cat, var(--accent));
}
.server__head { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; margin-bottom: .35rem; }
.server__idx {
  font-family: var(--font-mono); font-size: 1.5rem; font-weight: 700;
  color: color-mix(in srgb, var(--cat, var(--accent)) 70%, var(--text-faint));
  line-height: 1.1; min-width: 2ch;
}
.server h2 { margin: 0 0 .2rem; }
.server__tags { display: flex; gap: .35rem; flex-wrap: wrap; margin: .5rem 0 1rem; }
.server__lede { color: var(--text-muted); font-size: .98rem; margin-bottom: 1.25rem; }
.server__head .server__lede { margin: 0; }
.server h3 {
  margin: 1.75rem 0 .6rem; font-size: .8rem; text-transform: uppercase; letter-spacing: .09em;
  color: var(--text-faint); font-weight: 700; display: flex; align-items: center; gap: .5rem;
}
.server h3::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.server h4 { margin: 1.1rem 0 .4rem; font-size: .95rem; }

/* ------------------------------------------------------------ prompts -- */
.prompt {
  border: 1px dashed var(--border-strong); border-radius: var(--radius-sm);
  background: var(--bg-sunken); padding: .7rem .9rem; margin: .55rem 0;
  font-size: .875rem; color: var(--text);
}
.prompt::before {
  content: "PROMPT"; display: block; font-family: var(--font-mono); font-size: .62rem;
  letter-spacing: .12em; color: var(--text-faint); margin-bottom: .25rem;
}
.prompt em { color: var(--text-muted); font-style: normal; }

/* ------------------------------------------------------------ filters -- */
.toolbar { display: flex; gap: .6rem; flex-wrap: wrap; align-items: center; margin-bottom: 1.5rem; }
.search {
  flex: 1 1 260px; min-width: 200px;
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  padding: .55rem .8rem; border-radius: var(--radius-sm); font-size: .9rem; font-family: inherit;
}
.search::placeholder { color: var(--text-faint); }
.chip {
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text-muted);
  padding: .4rem .75rem; border-radius: 999px; font-size: .8rem; cursor: pointer; font-family: inherit;
  white-space: nowrap;
}
.chip:hover { color: var(--text); border-color: var(--border-strong); }
.chip[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent-text); border-color: color-mix(in srgb, var(--accent) 45%, transparent); }
.is-hidden { display: none !important; }
.empty { color: var(--text-faint); font-size: .9rem; padding: 1.5rem 0; }

/* -------------------------------------------------------------- steps -- */
.steps { counter-reset: step; list-style: none; padding: 0; margin: 1.25rem 0; }
.steps > li {
  counter-increment: step; position: relative; padding-left: 2.4rem; margin-bottom: 1.1rem;
}
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: .05rem;
  width: 1.65rem; height: 1.65rem; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent-text);
  display: grid; place-items: center; font-size: .78rem; font-weight: 700;
  font-family: var(--font-mono);
}
.steps > li > strong { display: block; margin-bottom: .15rem; }

/* --------------------------------------------------------------- misc -- */
.kv { display: grid; grid-template-columns: minmax(120px, auto) 1fr; gap: .35rem 1rem; font-size: .88rem; margin: 1rem 0; }
.kv dt { color: var(--text-faint); font-size: .78rem; text-transform: uppercase; letter-spacing: .05em; padding-top: .15rem; }
.kv dd { margin: 0; }

.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); flex-wrap: wrap; }
.pager a {
  font-size: .9rem; text-decoration: none; font-weight: 550;
  display: block; padding: .7rem 1rem; min-width: 200px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  transition: border-color .12s ease, box-shadow .12s ease, transform .12s ease;
}
.pager a:hover { border-color: var(--border-strong); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.pager a:last-child { text-align: right; }
.pager span { display: block; font-size: .72rem; color: var(--text-faint); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .15rem; }

footer.site {
  border-top: 1px solid var(--border); padding: 2rem 0 3rem;
  color: var(--text-faint); font-size: .84rem;
}
footer.site a { color: var(--text-muted); }

.notfound { padding-top: 4rem; padding-bottom: 6rem; max-width: 60ch; }
.muted { color: var(--text-muted); }
.mt-2 { margin-top: 2rem; }

.anchor { color: var(--text-faint); text-decoration: none; opacity: 0; margin-left: .4rem; font-weight: 400; }
h2:hover .anchor, h3:hover .anchor { opacity: 1; }

@media print {
  .topbar, .toc, .toolbar, .pager, .copybtn, .iconbtn { display: none !important; }
  .doc { grid-template-columns: 1fr; }
  .server { break-inside: avoid; border: 1px solid #ccc; }
  body { background: #fff; color: #000; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; animation: none !important; }
}