/* Deep-water terminal. Mint and violet come from the jellyfish mark.
   Legacy ink/cream names remain aliases for existing documentation pages. */
:root {
  --ink: #dcebe8;
  --ink-muted: #9bb3b3;
  --cream: #090f15;
  --cream-raised: #101c24;
  --rule: #2b414a;
  --focus: #62e8ca;
  --violet: #bb9aff;
  --signal-bg: #132d30;
  --code-bg: #070d12;
  /* Interactive examples sit on their own tint so readers can tell them from the prose. */
  --try-bg: #0c2426;
  --try-rule: #3e7d70;
  --warning: #f1bf75;
  --danger: #ff9494;
  --sidebar-w: 260px;
  --drawer-ms: 160ms;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  --font: var(--mono);
  --font-ui: var(--mono);
}

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

.site-body {
  margin: 0;
  min-height: 100vh;
}

/* Paint and type live on prose bodies only: full-viewport apps (editor,
   explorer playground) keep their own dark themes and fonts, which the
   class selector would otherwise beat on specificity. */
.site-body:not(.site-body-app) {
  color: var(--ink);
  background: var(--cream);
  font-family: var(--font-ui);
  line-height: 1.7;
  font-size: 14px;
  color-scheme: dark;
  --text-main: var(--ink);
  --text-muted: var(--ink-muted);
  --accent: var(--focus);
  --good: var(--focus);
  --bad: var(--danger);
  --green: var(--focus);
  --green-bg: #132d30;
  --green-border: #3e7d70;
  --red: var(--danger);
  --red-bg: #321e27;
  --red-border: #885058;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--cream-raised);
  border-bottom: 1px solid var(--rule);
}

.site-logo-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 4px 6px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 650;
  letter-spacing: 0.01em;
}

.site-logo-btn:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.site-logo {
  width: 36px;
  height: 36px;
  display: block;
  transition: transform var(--drawer-ms) ease;
  filter: drop-shadow(0 0 7px #00d4aa55);
}

.site-logo-btn[aria-expanded="true"] .site-logo {
  transform: translateY(2px) scale(1.06);
}

.site-wordmark {
  color: inherit;
  text-decoration: none;
  font-family: var(--font);
  font-size: 1.05rem;
  letter-spacing: .06em;
}
.site-wordmark::after { content: '_'; color: var(--focus); }

.site-drawer {
  position: fixed;
  z-index: 35;
  top: 57px;
  left: 0;
  right: 0;
  max-height: calc(100vh - 57px);
  overflow: auto;
  padding: 12px 14px 24px;
  background: var(--cream-raised);
  border-bottom: 1px solid var(--rule);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform var(--drawer-ms) ease,
    opacity var(--drawer-ms) ease,
    visibility 0s linear var(--drawer-ms);
}

.site-drawer.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition-delay: 0s;
}

.site-nav {
  font: 12px/1.6 var(--mono);
}

.site-nav-caps,
.site-nav-pages {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav-cap {
  margin: 0 0 14px;
}

.site-nav-cap-label,
.site-nav-cap-link {
  display: block;
  margin-bottom: 6px;
  color: var(--violet);
  font-family: var(--font);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
}

.site-nav-cap-link:hover {
  color: var(--focus);
}

.site-nav-pages {
  display: grid;
  gap: 2px;
}

.site-nav-link {
  display: block;
  padding: 5px 8px;
  border-radius: 0;
  border-left: 1px solid var(--rule);
  color: var(--ink-muted);
  text-decoration: none;
}

.site-nav-link:hover {
  color: var(--ink);
  background: var(--signal-bg);
}

.site-nav-link.is-current {
  color: var(--ink);
  background: var(--signal-bg);
  border-left-color: var(--focus);
  font-weight: 600;
}

.site-main {
  width: min(920px, 94vw);
  margin: 0 auto;
  padding: 24px 0 64px;
}

.site-main-app {
  width: min(1400px, 96vw);
  display: flex;
  flex-direction: column;
  min-height: calc(100vh - 57px);
  padding: 12px 0 32px;
}

.site-main:not(.site-main-app) h1,
.site-main:not(.site-main-app) h2,
.site-main:not(.site-main-app) h3 {
  font-family: var(--font);
  font-weight: 600;
  color: var(--ink);
}

.site-main:not(.site-main-app) p,
.site-main:not(.site-main-app) li {
  color: var(--ink-muted);
  max-width: 72ch;
}

.site-main:not(.site-main-app) a {
  color: var(--focus);
}

.site-archive-note {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.site-archive-note a {
  color: var(--ink-muted);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-scrim {
  display: none;
}

@media not (min-width: 900px) {
  /* The logo opens the menu on a phone; say so, and give the rows a thumb-sized target. */
  .site-logo-btn::after { content: '\2630'; font-size: 1.15rem; color: var(--ink-muted); }
  .site-nav-link { padding: 11px 8px; }
  .site-body.drawer-open .site-scrim {
    display: block;
    position: fixed;
    inset: 57px 0 0;
    z-index: 30;
    background: rgba(28, 27, 25, 0.28);
  }
}

@media (min-width: 900px) {
  /* Fixed left rail: header (brand) on top, independently scrolling nav
     below it; the body reserves the rail's width. */
  .site-body {
    padding-left: var(--sidebar-w);
  }

  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-w);
    border-bottom: 0;
    border-right: 1px solid var(--rule);
    background: var(--cream-raised);
  }

  .site-drawer {
    position: fixed;
    top: 57px;
    left: 0;
    bottom: 0;
    right: auto;
    width: var(--sidebar-w);
    max-height: none;
    border-bottom: 0;
    border-right: 1px solid var(--rule);
    transform: none;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-main:not(.site-main-app) {
    width: min(920px, calc(100% - 48px));
    padding: 32px 24px 72px;
  }

  .site-main-app {
    width: min(1400px, calc(100% - 24px));
    min-height: 100vh;
    padding: 12px 0 32px;
  }

  /* Desktop: logo is brand, not a control; the drawer script also takes
     the button out of the tab order. */
  .site-logo-btn {
    cursor: default;
    pointer-events: none;
  }
}

/* The public documentation shares a quiet reading surface. */
.site-main:not(.site-main-app) { overflow-wrap:break-word; }
.site-main:not(.site-main-app) a { text-underline-offset:3px; }
.site-main:not(.site-main-app) :is(a,button,summary):focus-visible { outline:2px solid var(--focus); outline-offset:4px; }
.site-main:not(.site-main-app) > h1, .site-main:not(.site-main-app) > .shell > h1 { font-weight:600; font-size:clamp(1.7rem,3vw,2.6rem); line-height:1.25; letter-spacing:-.035em; margin:20px 0 24px; max-width:30ch; }
.site-main:not(.site-main-app) > p { line-height:1.7; }
.site-main:not(.site-main-app) pre { max-width:100%; overflow-x:auto; }
.site-main:not(.site-main-app) table { display:block; max-width:100%; overflow-x:auto; border-collapse:collapse; }
.site-main:not(.site-main-app) th,.site-main:not(.site-main-app) td { padding:10px 12px; text-align:left; border-bottom:1px solid var(--rule); vertical-align:top; }
.site-main:not(.site-main-app) .shell { --text-main:var(--ink); --text-muted:var(--ink-muted); --accent:var(--focus); }
.site-main:not(.site-main-app) .shell details.dig { background:var(--cream-raised); border-color:var(--rule); }

/* Shared prose and control surfaces; generated demos keep their own UI. */
.site-main:not(.site-main-app) :is(button,input,select,textarea,code,pre) { font-family:var(--mono); }
.site-main:not(.site-main-app) :is(code,pre) { color:var(--ink); background:var(--code-bg); border-radius:0; }
.site-main:not(.site-main-app) pre { border:1px solid var(--rule); line-height:1.65; }
.site-main:not(.site-main-app) pre code { background:transparent; border:0; }
.site-main:not(.site-main-app) :is(input,textarea,select) { color:var(--ink); background:var(--code-bg); border:1px solid var(--rule); border-radius:0; }
.site-main:not(.site-main-app) button { font-family:var(--mono); border:1px solid var(--rule); border-radius:0; background:var(--signal-bg); color:var(--focus); }
.site-main:not(.site-main-app) button:hover:not(:disabled) { border-color:var(--focus); }
.site-main:not(.site-main-app) button.secondary { background:var(--cream-raised); color:var(--ink); }
.site-main:not(.site-main-app) :is(.note,.fact,.callout,.panel,.card,.demo-panel,.step-header,.file-btn,details.dig,details.facttype,.iteration,.legend,.worked,.record,.how-it-works,.dig-deeper,.mapping-table th) { color:var(--ink); background:var(--cream-raised); border-color:var(--rule); border-radius:0; box-shadow:none; }
.site-main:not(.site-main-app) :is(.good,.status.ready,.verdict-supported) { color:var(--focus); }
.site-main:not(.site-main-app) :is(.bad,.status.error,.verdict-refuted) { color:var(--danger); }
.site-main:not(.site-main-app) :is(.status.loading,.verdict-notprovable) { color:var(--warning); }
.site-main:not(.site-main-app) :is(.eyebrow,.example-eyebrow) { color:var(--violet); }
.site-main:not(.site-main-app) :is(.why-editor-field-name,.why-editor-opaque) { color:var(--ink-muted); }
.site-main:not(.site-main-app) .shell code { background:var(--code-bg); color:var(--ink); }
.site-main:not(.site-main-app) .shell button { background:var(--signal-bg); color:var(--focus); border-radius:0; }
.site-main:not(.site-main-app) .shell button.secondary { background:var(--cream-raised); color:var(--ink); }
.site-main:not(.site-main-app) :is(.step-number,.stepnum) { color:var(--code-bg); background:var(--focus); border-radius:0; }
.site-main:not(.site-main-app) :is(.cmt,.footer-links) { color:var(--ink-muted); }
.site-main:not(.site-main-app) .shell .workbench-header h1 { font-size:clamp(2rem,3.5vw,3rem); line-height:1.2; max-width:22ch; }
@media(prefers-reduced-motion:reduce) {
  .site-drawer,.site-logo { transition:none; }
}
::selection { color:#090f15; background:#62e8ca; }
@media print {
  :root { --ink:#111; --ink-muted:#333; --cream:#fff; --cream-raised:#fff; --rule:#aaa; --focus:#075e50; --violet:#59318d; --code-bg:#f4f4f4; --signal-bg:#eee; --warning:#79501c; --danger:#a32626; }
  .site-body:not(.site-body-app) { color-scheme:light; }
  .site-header,.site-drawer { display:none; }
  .site-body { padding-left:0; }
}

.solution-reason { margin: 18px 0 24px; border-left: 2px solid var(--accent); padding-left: 16px; max-width: 72ch; }
.solution-reason strong { color:var(--ink); }

/* The agent control: one quiet affordance, top-right, where sites put
   "Sign in". On a phone it sits over the sticky header's right end; on
   desktop the header is the sidebar's top, so the control sits at the
   page's top-right instead and scrolls away with the page rather than
   covering content. */
.site-agent-slot { position: fixed; z-index: 41; top: 12px; right: 14px; }
@media (min-width: 900px) {
  .site-agent-slot { position: absolute; top: 14px; right: 20px; }
  .site-main:not(.site-main-app) > .site-breadcrumb { padding-right: 150px; }
}
.site-agent {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border: 1px solid var(--rule);
  background: var(--cream-raised);
  color: var(--ink-muted);
  font: 12px/1.4 var(--mono);
  text-decoration: none;
  white-space: nowrap;
}
.site-agent::before { content: ''; width: 8px; height: 8px; border-radius: 50%; background: var(--rule); }
.site-agent.is-on { color: var(--ink); border-color: var(--focus); }
.site-agent.is-on::before { background: var(--focus); box-shadow: 0 0 6px var(--focus); }
.site-agent.is-waiting { color: var(--ink); }
.site-agent.is-waiting::before { background: transparent; border: 1px solid var(--focus); box-sizing: border-box; }
.site-agent.is-refused { color: var(--ink); border-color: var(--danger); }
.site-agent.is-refused::before { background: var(--danger); }
.site-agent:hover, .site-agent:focus-visible { color: var(--ink); border-color: var(--focus); outline: none; }
.site-agent-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(320px, calc(100vw - 16px));
  padding: 12px 14px;
  background: var(--cream-raised);
  border: 1px solid var(--rule);
  font: 13px/1.5 var(--font);
  color: var(--ink-muted);
}
.site-agent-menu p { margin: 0 0 10px; }
.site-agent-menu code { font-family: var(--mono); color: var(--ink); }
.site-agent-menu button { font-family: var(--mono); font-size: 12px; padding: 4px 8px; border: 1px solid var(--rule); background: var(--signal-bg); color: var(--focus); cursor: pointer; }
.site-agent-menu a { margin-left: 8px; color: var(--focus); }
@media print { .site-agent-slot { display: none; } }

/* Where the page sits: the trail and the page's kind, at the top of the
   main column. Quiet, one line each, so the first screen stays the page's. */
.site-breadcrumb { display:flex; flex-wrap:wrap; align-items:baseline; gap:6px; margin:0; font:12px/1.5 var(--mono); color:var(--ink-muted); }
.site-breadcrumb a { color:var(--ink-muted); text-decoration:underline; text-underline-offset:2px; }
.site-breadcrumb a:hover { color:var(--focus); }
.site-breadcrumb [aria-current="page"] { color:var(--ink); }
.site-breadcrumb-sep { color:var(--rule); }
.site-main .site-kind, .site-kind { margin:2px 0 0; font:11px/1.4 var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--violet); }
.site-main-app > .site-breadcrumb, .site-main-app > .site-kind { padding:0 4px; }
@media print { .site-breadcrumb, .site-kind { display:none; } }

/* The foot of every page: where it fits, then previous / next. */
.site-fits { margin:56px 0 0; padding-top:20px; border-top:1px solid var(--rule); }
.site-main .site-fits h2 { font-size:1rem; margin:0 0 10px; }
.site-main .site-fits-about { margin:0 0 12px; }
.site-fits-groups { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:12px 24px; }
.site-main .site-fits-group h3 { font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--violet); margin:0 0 4px; }
.site-fits-group ul { list-style:none; margin:0; padding:0; }
.site-main .site-fits-group li { margin:0 0 4px; font-size:.9rem; }
.site-pager { display:flex; justify-content:space-between; gap:12px; margin:28px 0 0; }
.site-pager a { display:flex; flex-direction:column; gap:2px; padding:10px 14px; border:1px solid var(--rule); text-decoration:none; max-width:48%; }
.site-pager a:hover, .site-pager a:focus-visible { border-color:var(--focus); }
.site-pager span { font-size:.7rem; letter-spacing:.08em; text-transform:uppercase; color:var(--ink-muted); }
.site-pager-next { margin-left:auto; text-align:right; }
.site-main-app .site-fits, .site-main-app .site-pager { padding:0 4px; }
@media print { .site-fits, .site-pager { display:none; } }

/* The reading sections by name, top-right beside the agent control on a
   wide screen; on a phone they live in the drawer. */
.site-agent-slot { display:flex; align-items:center; gap:18px; }
.site-top { display:none; }
@media (min-width: 900px) {
  .site-top { display:flex; gap:16px; font:12px/1.4 var(--mono); }
  .site-top a { color:var(--ink-muted); text-decoration:none; }
  .site-top a:hover, .site-top a:focus-visible, .site-top a[aria-current] { color:var(--ink); text-decoration:underline; text-underline-offset:3px; }
  .site-main:not(.site-main-app) > .site-breadcrumb { padding-right: 400px; }
}
@media (min-width: 900px) and (max-width: 1180px) { .site-main:not(.site-main-app) > .site-breadcrumb { padding-right:0; margin-top:28px; } }

/* The work sections fold under one disclosure. */
.site-nav-fold > summary { cursor:pointer; list-style:none; margin:18px 14px 6px; font:700 .75rem/1.4 var(--mono); letter-spacing:.08em; text-transform:uppercase; color:var(--ink-muted); }
.site-nav-fold > summary::-webkit-details-marker { display:none; }
.site-nav-fold > summary::before { content:'▸ '; color:var(--focus); }
.site-nav-fold[open] > summary::before { content:'▾ '; }
.site-nav-group { list-style:none; }

/* Page search: filters the sidebar by title. */
.site-nav-search { padding:10px 14px 4px; }
.site-nav-search input { width:100%; padding:6px 8px; font:12px/1.4 var(--mono); color:var(--ink); background:var(--code-bg); border:1px solid var(--rule); }
.site-nav-search input:focus { outline:none; border-color:var(--focus); }
.site-main .credit { font-size:.8rem; color:var(--ink-muted); border-left:2px solid var(--violet); padding-left:10px; margin:0 0 16px; }

/* A panel the reader can operate: tinted, bordered, and labelled "Try it". */
.try-panel { margin:24px 0; background:var(--try-bg); border:1px solid var(--try-rule); padding:0 0 4px; }
.site-main p.try-label { margin:0; padding:10px 16px; font-size:.82rem; color:var(--ink); border-bottom:1px solid var(--try-rule); max-width:none; }
.try-label > span { display:inline-block; margin-right:10px; padding:1px 8px; background:var(--focus); color:var(--code-bg); font-weight:700; font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; }
.try-panel > :not(.try-label) { margin-left:16px; margin-right:16px; }
@media(max-width:600px) { .try-panel > :not(.try-label) { margin-left:10px; margin-right:10px; } .site-main p.try-label { padding:10px; } }