/* ==========================================================================
   Escapra — Hotel Extranet developer documentation portal
   Design system. Token driven: every colour is defined twice, once for the
   dark theme (:root) and once for light (html[data-theme="light"]), so the
   toggle is a single attribute flip.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500;600&display=swap');

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  --bg:            #0A0C10;
  --bg-elev:       #12151B;
  --bg-elev-2:     #171B23;
  --bg-sunken:     #07090C;
  --bg-glass:      rgba(18, 21, 27, 0.82);

  --border:        rgba(255, 255, 255, 0.08);
  --border-mid:    rgba(255, 255, 255, 0.14);
  --border-strong: rgba(255, 255, 255, 0.22);

  --text:          #E8EAED;
  --text-dim:      #9BA3AF;
  --text-faint:    #6B7280;

  --brand:         #F97316;
  --brand-soft:    #FB923C;
  --brand-deep:    #C2410C;
  --brand-wash:    rgba(249, 115, 22, 0.10);
  --brand-glow:    rgba(249, 115, 22, 0.32);

  --accent:        #38BDF8;
  --accent-wash:   rgba(56, 189, 248, 0.10);

  --ok:            #22C55E;
  --ok-wash:       rgba(34, 197, 94, 0.12);
  --warn:          #F59E0B;
  --warn-wash:     rgba(245, 158, 11, 0.12);
  --err:           #EF4444;
  --err-wash:      rgba(239, 68, 68, 0.12);
  --info:          #A855F7;
  --info-wash:     rgba(168, 85, 247, 0.12);

  --sans:  'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --mono:  'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  --r-sm: 6px;
  --r:    10px;
  --r-lg: 16px;
  --r-xl: 22px;

  --ease: cubic-bezier(.4, 0, .2, 1);
  --spring: cubic-bezier(.34, 1.36, .64, 1);

  --shadow-sm: 0 1px 2px rgba(0,0,0,.4);
  --shadow:    0 4px 20px rgba(0,0,0,.42);
  --shadow-lg: 0 20px 56px rgba(0,0,0,.6);

  --sidebar-w: 286px;
  --rail-w:    228px;
  --top-h:     60px;
}

html[data-theme="light"] {
  --bg:            #F7F8FA;
  --bg-elev:       #FFFFFF;
  --bg-elev-2:     #F1F3F7;
  --bg-sunken:     #EEF0F4;
  --bg-glass:      rgba(255, 255, 255, 0.86);

  --border:        rgba(15, 23, 42, 0.09);
  --border-mid:    rgba(15, 23, 42, 0.15);
  --border-strong: rgba(15, 23, 42, 0.26);

  --text:          #0F172A;
  --text-dim:      #4A5568;
  --text-faint:    #77839A;

  --brand:         #EA580C;
  --brand-soft:    #F97316;
  --brand-deep:    #9A3412;
  --brand-wash:    rgba(234, 88, 12, 0.08);
  --brand-glow:    rgba(234, 88, 12, 0.20);

  --accent:        #0284C7;
  --accent-wash:   rgba(2, 132, 199, 0.08);

  --ok:            #15803D;  --ok-wash:   rgba(21, 128, 61, 0.10);
  --warn:          #B45309;  --warn-wash: rgba(180, 83, 9, 0.10);
  --err:           #DC2626;  --err-wash:  rgba(220, 38, 38, 0.10);
  --info:          #7E22CE;  --info-wash: rgba(126, 34, 206, 0.10);

  --shadow-sm: 0 1px 2px rgba(15,23,42,.06);
  --shadow:    0 4px 18px rgba(15,23,42,.08);
  --shadow-lg: 0 20px 48px rgba(15,23,42,.14);
}

/* --------------------------------------------------------------------------
   2. Base
   -------------------------------------------------------------------------- */

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a { color: var(--brand-soft); text-decoration: none; transition: color .16s var(--ease); }
a:hover { color: var(--brand); text-decoration: underline; text-underline-offset: 3px; }

::selection { background: var(--brand-wash); color: var(--text); }

::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 99px; border: 3px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

.icon { width: 1em; height: 1em; display: inline-block; vertical-align: -0.125em; flex: none; }
.icon svg { width: 100%; height: 100%; display: block; }

/* --------------------------------------------------------------------------
   3. Top bar
   -------------------------------------------------------------------------- */

.topbar {
  position: fixed; inset: 0 0 auto 0; height: var(--top-h); z-index: 60;
  display: flex; align-items: center; gap: 14px;
  padding: 0 22px;
  background: var(--bg-glass);
  backdrop-filter: saturate(180%) blur(16px);
  -webkit-backdrop-filter: saturate(180%) blur(16px);
  border-bottom: 1px solid var(--border);
}

.brand { display: flex; align-items: center; gap: 11px; flex: none; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 30px; height: 30px; border-radius: 9px; flex: none;
  background: linear-gradient(135deg, var(--brand-soft), var(--brand-deep));
  display: grid; place-items: center; color: #fff; font-size: 15px;
  box-shadow: 0 0 16px var(--brand-glow);
}
.brand__text { display: flex; flex-direction: column; line-height: 1.15; }
.brand__name { font-size: .88rem; font-weight: 800; letter-spacing: -.2px; color: var(--text); }
.brand__sub  { font-size: .66rem; font-weight: 600; letter-spacing: .8px; text-transform: uppercase; color: var(--text-faint); }

.pill {
  padding: 4px 10px; border-radius: 99px; font-size: .66rem; font-weight: 800;
  letter-spacing: .7px; text-transform: uppercase; border: 1px solid currentColor; flex: none;
}
.pill--ver { color: var(--brand-soft); }
.pill--env[data-env="development"] { color: var(--ok); }
.pill--env[data-env="staging"]     { color: var(--warn); }
.pill--env[data-env="production"]  { color: var(--err); }

.spacer { margin-left: auto; }

.searchbtn {
  display: flex; align-items: center; gap: 9px;
  min-width: 250px; padding: 8px 12px;
  background: var(--bg-elev-2); border: 1px solid var(--border-mid);
  border-radius: var(--r); color: var(--text-faint);
  font-family: var(--sans); font-size: .84rem; cursor: pointer;
  transition: all .18s var(--ease);
}
.searchbtn:hover { border-color: var(--brand); color: var(--text-dim); }
.searchbtn kbd {
  margin-left: auto; font-family: var(--mono); font-size: .68rem;
  padding: 2px 6px; border-radius: 5px;
  background: var(--bg-sunken); border: 1px solid var(--border); color: var(--text-faint);
}

.tbtn {
  display: inline-flex; align-items: center; gap: 7px;
  padding: 8px 13px; border-radius: var(--r-sm);
  background: var(--bg-elev-2); border: 1px solid var(--border-mid);
  color: var(--text-dim); font-family: var(--sans); font-size: .78rem; font-weight: 600;
  cursor: pointer; white-space: nowrap; transition: all .18s var(--ease);
}
.tbtn:hover { color: var(--text); border-color: var(--brand); background: var(--brand-wash); transform: translateY(-1px); text-decoration: none; }
.tbtn--icon { padding: 8px 10px; }
.tbtn--primary {
  background: linear-gradient(135deg, var(--brand), var(--brand-deep));
  border-color: transparent; color: #fff; box-shadow: 0 0 14px var(--brand-glow);
}
.tbtn--primary:hover { color: #fff; }

.menutoggle { display: none; }

#progress {
  position: fixed; top: var(--top-h); left: 0; height: 2px; width: 0; z-index: 61;
  background: linear-gradient(90deg, var(--brand), var(--brand-soft), var(--accent));
  transition: width .1s linear; box-shadow: 0 0 10px var(--brand-glow);
}

/* --------------------------------------------------------------------------
   4. Sidebar
   -------------------------------------------------------------------------- */

.sidebar {
  position: fixed; top: var(--top-h); bottom: 0; left: 0; width: var(--sidebar-w); z-index: 50;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  overflow-y: auto; overscroll-behavior: contain;
  padding: 18px 12px 40px;
}

.nav__group { margin-bottom: 4px; }

.nav__top {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 9px 12px; border-radius: var(--r-sm);
  background: none; border: 0; cursor: pointer;
  color: var(--text-dim); font-family: var(--sans); font-size: .87rem; font-weight: 650;
  text-align: left; transition: all .16s var(--ease); position: relative;
}
.nav__top:hover { background: var(--bg-elev-2); color: var(--text); }
.nav__top .icon { font-size: 16px; color: var(--text-faint); transition: color .16s var(--ease); }
.nav__top:hover .icon { color: var(--brand-soft); }
.nav__top.is-active { color: var(--text); background: var(--brand-wash); }
.nav__top.is-active .icon { color: var(--brand); }
.nav__top.is-active::before {
  content: ''; position: absolute; left: 0; top: 8px; bottom: 8px; width: 3px;
  border-radius: 0 3px 3px 0; background: var(--brand);
}
.nav__caret {
  margin-left: auto; margin-right: -4px; font-size: 13px; color: var(--text-faint);
  transition: transform .22s var(--ease), color .16s var(--ease);
  padding: 4px; border-radius: 4px; display: inline-flex; cursor: pointer;
}
.nav__caret:hover { color: var(--brand); background: var(--border); }
.nav__group.is-open .nav__caret { transform: rotate(90deg); }

.nav__sub {
  display: grid; grid-template-rows: 0fr;
  transition: grid-template-rows .26s var(--ease);
}
.nav__group.is-open .nav__sub { grid-template-rows: 1fr; }
.nav__sub > div { overflow: hidden; }

.nav__link {
  display: block; padding: 6px 12px 6px 40px; border-radius: var(--r-sm);
  color: var(--text-faint); font-size: .82rem; font-weight: 500;
  text-decoration: none; position: relative; transition: all .14s var(--ease);
}
.nav__link::before {
  content: ''; position: absolute; left: 21px; top: 0; bottom: 0; width: 1px; background: var(--border);
}
.nav__link:hover { color: var(--text); background: var(--bg-elev-2); text-decoration: none; }
.nav__link.is-active { color: var(--brand-soft); font-weight: 650; }
.nav__link.is-active::before { background: var(--brand); width: 2px; left: 20.5px; }

.nav__meth {
  font-family: var(--mono); font-size: .58rem; font-weight: 800; letter-spacing: .4px;
  padding: 1px 5px; border-radius: 4px; margin-right: 7px; vertical-align: 1px;
}

.nav__sep { height: 1px; background: var(--border); margin: 14px 12px; }
.nav__label {
  padding: 0 12px 6px; font-size: .64rem; font-weight: 800; letter-spacing: 1.1px;
  text-transform: uppercase; color: var(--text-faint);
}

/* --------------------------------------------------------------------------
   5. Layout
   -------------------------------------------------------------------------- */

.shell { padding-top: var(--top-h); padding-left: var(--sidebar-w); }

.page {
  max-width: 1180px; margin: 0 auto;
  display: grid; grid-template-columns: minmax(0, 1fr) var(--rail-w); gap: 44px;
  padding: 40px 40px 120px;
}
.page--wide { grid-template-columns: minmax(0, 1fr); }

.main { min-width: 0; animation: pageIn .34s var(--ease) both; }

.rail { position: sticky; top: calc(var(--top-h) + 34px); align-self: start; max-height: calc(100vh - var(--top-h) - 70px); overflow-y: auto; }
.rail__title { font-size: .64rem; font-weight: 800; letter-spacing: 1.1px; text-transform: uppercase; color: var(--text-faint); margin-bottom: 10px; }
.rail__link {
  display: block; padding: 5px 0 5px 13px; border-left: 2px solid var(--border);
  color: var(--text-faint); font-size: .79rem; line-height: 1.5; text-decoration: none;
  transition: all .14s var(--ease);
}
.rail__link:hover { color: var(--text); border-left-color: var(--border-strong); text-decoration: none; }
.rail__link.is-active { color: var(--brand-soft); border-left-color: var(--brand); font-weight: 600; }
.rail__link--sub { padding-left: 26px; font-size: .75rem; }

/* --------------------------------------------------------------------------
   6. Page header + prose
   -------------------------------------------------------------------------- */

.phead { margin-bottom: 34px; }
.phead__eyebrow {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: .68rem; font-weight: 800; letter-spacing: 1.2px; text-transform: uppercase;
  color: var(--brand); margin-bottom: 12px;
}
.phead h1 {
  margin: 0 0 12px; font-size: 2.45rem; font-weight: 850; letter-spacing: -1.3px; line-height: 1.12;
  background: linear-gradient(115deg, var(--text) 40%, var(--brand-soft));
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.phead p { margin: 0; color: var(--text-dim); font-size: 1.03rem; max-width: 74ch; }

.prose { color: var(--text-dim); }
.prose > * + * { margin-top: 1.05em; }
.prose h2 {
  margin: 2.4em 0 .7em; padding-bottom: .4em; font-size: 1.42rem; font-weight: 780;
  letter-spacing: -.5px; color: var(--text); border-bottom: 1px solid var(--border); scroll-margin-top: 90px;
}
.prose h3 { margin: 1.9em 0 .5em; font-size: 1.09rem; font-weight: 720; color: var(--text); scroll-margin-top: 90px; }
.prose h4 { margin: 1.5em 0 .4em; font-size: .95rem; font-weight: 700; color: var(--brand-soft); scroll-margin-top: 90px; }
.prose p { margin: 0; }
.prose strong { color: var(--text); font-weight: 680; }
.prose em { color: var(--text-dim); }
.prose ul, .prose ol { margin: 0; padding-left: 1.35em; }
.prose li { margin: .35em 0; }
.prose li::marker { color: var(--text-faint); }
.prose img {
  display: block; width: 100%; height: auto; margin: 1.6em 0 .6em;
  background: var(--bg-sunken); border: 1px solid var(--border); border-radius: var(--r-lg);
  padding: 14px; box-shadow: var(--shadow);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.prose img:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.prose blockquote {
  margin: 1.3em 0; padding: 12px 18px; border-left: 3px solid var(--brand);
  background: var(--brand-wash); border-radius: 0 var(--r) var(--r) 0; color: var(--text-dim);
}
.prose hr { border: 0; height: 1px; background: var(--border); margin: 2.4em 0; }

code {
  font-family: var(--mono); font-size: .855em;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  border-radius: 5px; padding: 1.5px 5px; color: var(--brand-soft);
}

figure { margin: 1.8em 0; }
figure img { margin: 0; }
figcaption { margin-top: 10px; text-align: center; font-size: .79rem; color: var(--text-faint); }

/* Tables ------------------------------------------------------------------ */

.prose table, table.tbl {
  width: 100%; border-collapse: collapse; margin: 1.3em 0;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r); overflow: hidden; font-size: .87rem;
  display: table;
}
.prose thead, table.tbl thead { background: var(--bg-elev-2); }
.prose th, table.tbl th {
  padding: 11px 15px; text-align: left; font-size: .7rem; font-weight: 800;
  letter-spacing: .7px; text-transform: uppercase; color: var(--brand-soft);
  border-bottom: 1px solid var(--border);
}
.prose td, table.tbl td {
  padding: 11px 15px; border-top: 1px solid var(--border);
  color: var(--text-dim); vertical-align: top;
}
.prose tbody tr, table.tbl tbody tr { transition: background .14s var(--ease); }
.prose tbody tr:hover, table.tbl tbody tr:hover { background: var(--brand-wash); }
.tbl--matrix td, .tbl--matrix th { text-align: center; }
.tbl--matrix td:first-child, .tbl--matrix th:first-child { text-align: left; }
.tbl--matrix .yes { color: var(--ok); font-weight: 700; }
.tbl--matrix .no  { color: var(--text-faint); }

/* Callouts ---------------------------------------------------------------- */

.callout {
  margin: 1.4em 0; padding: 15px 18px 15px 46px; position: relative;
  background: var(--accent-wash); border: 1px solid color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: var(--r); color: var(--text-dim);
}
.callout::before {
  content: 'i'; position: absolute; left: 16px; top: 16px;
  width: 18px; height: 18px; border-radius: 50%; display: grid; place-items: center;
  background: var(--accent); color: var(--bg); font-size: .68rem; font-weight: 900; font-family: var(--mono);
}
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout--warn   { background: var(--warn-wash); border-color: color-mix(in srgb, var(--warn) 34%, transparent); }
.callout--warn::before   { content: '!'; background: var(--warn); }
.callout--danger { background: var(--err-wash);  border-color: color-mix(in srgb, var(--err) 34%, transparent); }
.callout--danger::before { content: '!'; background: var(--err); }
.callout--ok     { background: var(--ok-wash);   border-color: color-mix(in srgb, var(--ok) 34%, transparent); }
.callout--ok::before     { content: '\2713'; background: var(--ok); }

/* --------------------------------------------------------------------------
   7. Code blocks
   -------------------------------------------------------------------------- */

.code {
  margin: 1.3em 0; border: 1px solid var(--border); border-radius: var(--r);
  background: var(--bg-sunken); overflow: hidden;
}
.code__bar {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  background: var(--bg-elev-2); border-bottom: 1px solid var(--border);
}
.code__lang {
  font-family: var(--mono); font-size: .66rem; font-weight: 700; letter-spacing: .6px;
  text-transform: uppercase; color: var(--text-faint);
}
.code__title { font-size: .76rem; color: var(--text-dim); font-weight: 600; }
.code__copy {
  margin-left: auto; display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 9px; border-radius: 5px; cursor: pointer;
  background: transparent; border: 1px solid var(--border-mid);
  color: var(--text-faint); font-family: var(--sans); font-size: .68rem; font-weight: 600;
  transition: all .16s var(--ease);
}
.code__copy:hover { color: var(--text); border-color: var(--brand); background: var(--brand-wash); }
.code__copy.is-done { color: var(--ok); border-color: var(--ok); }
.code pre { margin: 0; padding: 15px 16px; overflow-x: auto; }
.code code {
  background: none; border: 0; padding: 0; color: var(--text);
  font-size: .81rem; line-height: 1.68; display: block; white-space: pre;
}

.tok-key   { color: var(--brand-soft); }
.tok-str   { color: #7DD3FC; }
.tok-num   { color: #C084FC; }
.tok-bool  { color: #4ADE80; }
.tok-null  { color: var(--text-faint); }
.tok-punc  { color: var(--text-faint); }
.tok-cmd   { color: #4ADE80; }
.tok-flag  { color: var(--brand-soft); }
.tok-url   { color: #7DD3FC; }

/* Tabs -------------------------------------------------------------------- */

.tabs { margin: 1.3em 0; }
.tabs__bar { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: -1px; position: relative; z-index: 1; }
.tabs__btn {
  padding: 7px 14px; border-radius: var(--r-sm) var(--r-sm) 0 0; cursor: pointer;
  background: transparent; border: 1px solid transparent; border-bottom: 0;
  color: var(--text-faint); font-family: var(--sans); font-size: .78rem; font-weight: 650;
  transition: all .16s var(--ease);
}
.tabs__btn:hover { color: var(--text-dim); }
.tabs__btn.is-active {
  color: var(--brand-soft); background: var(--bg-sunken);
  border-color: var(--border); border-bottom-color: var(--bg-sunken);
}
.tabs__panel { display: none; }
.tabs__panel.is-active { display: block; animation: fadeIn .2s var(--ease) both; }
.tabs__panel .code { margin-top: 0; border-top-left-radius: 0; }

/* --------------------------------------------------------------------------
   8. Endpoint cards
   -------------------------------------------------------------------------- */

.ep {
  margin: 26px 0; border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--bg-elev); overflow: hidden; scroll-margin-top: 88px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.ep:hover { border-color: var(--border-mid); box-shadow: var(--shadow); }
.ep__head { display: flex; align-items: center; gap: 12px; padding: 15px 18px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.ep__body { padding: 18px; }

.meth {
  font-family: var(--mono); font-size: .68rem; font-weight: 800; letter-spacing: .8px;
  padding: 5px 10px; border-radius: 5px; flex: none; min-width: 62px; text-align: center;
}
.meth--get    { background: var(--ok-wash);    color: var(--ok); }
.meth--post   { background: var(--brand-wash); color: var(--brand-soft); }
.meth--put    { background: var(--warn-wash);  color: var(--warn); }
.meth--patch  { background: var(--info-wash);  color: var(--info); }
.meth--delete { background: var(--err-wash);   color: var(--err); }

.ep__path { font-family: var(--mono); font-size: .87rem; color: var(--text); font-weight: 500; word-break: break-all; }
.ep__path .seg-var { color: var(--accent); }
.ep__title { font-size: .93rem; font-weight: 700; color: var(--text); width: 100%; margin-top: -2px; }
.ep__host {
  font-family: var(--mono); font-size: .66rem; padding: 3px 8px; border-radius: 99px;
  background: var(--accent-wash); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
}

.sect { margin-top: 22px; }
.sect:first-child { margin-top: 0; }
.sect__h {
  font-size: .68rem; font-weight: 800; letter-spacing: 1.1px; text-transform: uppercase;
  color: var(--text-faint); margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.sect__h::after { content: ''; flex: 1; height: 1px; background: var(--border); }

.params { width: 100%; border-collapse: collapse; font-size: .85rem; }
.params tr { border-top: 1px solid var(--border); }
.params tr:first-child { border-top: 0; }
.params td { padding: 10px 0; vertical-align: top; }
.params td:first-child { width: 210px; padding-right: 16px; }
.pname { font-family: var(--mono); font-size: .82rem; color: var(--text); font-weight: 600; }
.pmeta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 3px; }
.ptype { font-family: var(--mono); font-size: .68rem; color: var(--info); }
.pin   { font-size: .66rem; color: var(--text-faint); font-style: italic; }
.preq  { font-size: .62rem; font-weight: 800; letter-spacing: .5px; color: var(--err); text-transform: uppercase; }
.pdesc { color: var(--text-dim); font-size: .85rem; }
.pdesc code { font-size: .8em; }
.pex { margin-top: 4px; font-family: var(--mono); font-size: .72rem; color: var(--text-faint); }

.resp { display: flex; align-items: flex-start; gap: 12px; padding: 10px 0; border-top: 1px solid var(--border); }
.resp:first-child { border-top: 0; }
.status {
  font-family: var(--mono); font-size: .74rem; font-weight: 800; padding: 3px 9px;
  border-radius: 5px; flex: none; min-width: 46px; text-align: center;
}
.status--2 { background: var(--ok-wash);   color: var(--ok); }
.status--4 { background: var(--warn-wash); color: var(--warn); }
.status--5 { background: var(--err-wash);  color: var(--err); }
.resp__d { color: var(--text-dim); font-size: .86rem; }

/* --------------------------------------------------------------------------
   9. Data-flow chain
   -------------------------------------------------------------------------- */

.chain { margin: 30px 0; }

.step {
  position: relative; margin-bottom: 18px; padding-left: 54px; scroll-margin-top: 88px;
}
.step::before {
  content: ''; position: absolute; left: 17px; top: 42px; bottom: -18px; width: 2px;
  background: linear-gradient(180deg, var(--border-mid), var(--border));
}
.step:last-child::before { display: none; }
.step__n {
  position: absolute; left: 0; top: 8px; width: 36px; height: 36px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--mono); font-size: .88rem; font-weight: 800;
  background: var(--bg-elev-2); border: 1px solid var(--border-mid); color: var(--text-dim);
  transition: all .2s var(--spring);
}
.step:hover .step__n { border-color: var(--brand); color: var(--brand-soft); transform: scale(1.06); }

.step__card { border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg-elev); overflow: hidden; }
.step__head { display: flex; align-items: center; gap: 11px; padding: 14px 17px; flex-wrap: wrap; }
.step__title { font-size: 1rem; font-weight: 720; color: var(--text); width: 100%; }
.step__sum { color: var(--text-dim); font-size: .87rem; width: 100%; margin-top: -4px; }
.step__body { padding: 0 17px 17px; }

.io { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 14px 0; }
@media (max-width: 900px) { .io { grid-template-columns: 1fr; } }

.io__col { border: 1px solid var(--border); border-radius: var(--r); background: var(--bg-sunken); padding: 12px 14px; }
.io__h {
  display: flex; align-items: center; gap: 7px; margin-bottom: 10px;
  font-size: .66rem; font-weight: 800; letter-spacing: 1px; text-transform: uppercase;
}
.io__col--in  .io__h { color: var(--brand); }
.io__col--out .io__h { color: var(--accent); }

.kv { display: flex; flex-direction: column; gap: 8px; }
.kv__row { display: flex; align-items: flex-start; gap: 9px; flex-wrap: wrap; }
.key {
  font-family: var(--mono); font-size: .76rem; font-weight: 600; padding: 2.5px 8px;
  border-radius: 5px; white-space: nowrap;
}
.key--in  { background: var(--brand-wash); color: var(--brand-soft); border: 1px solid color-mix(in srgb, var(--brand) 26%, transparent); }
.key--out { background: var(--accent-wash); color: var(--accent);    border: 1px solid color-mix(in srgb, var(--accent) 26%, transparent); }
.key--own { background: var(--bg-elev-2); color: var(--text-dim); border: 1px solid var(--border-mid); }

.from {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: .72rem; color: var(--text-faint); font-family: var(--mono);
}
.from a { color: var(--text-dim); border-bottom: 1px dotted var(--border-strong); }
.from a:hover { color: var(--brand-soft); text-decoration: none; }
.kv__note { width: 100%; font-size: .77rem; color: var(--text-faint); padding-left: 2px; }

.feeds { display: inline-flex; gap: 4px; align-items: center; }
.feeds a {
  font-family: var(--mono); font-size: .68rem; padding: 1px 6px; border-radius: 4px;
  background: var(--bg-elev-2); border: 1px solid var(--border-mid); color: var(--text-dim);
  transition: all .15s var(--ease);
}
.feeds a:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.notes { margin: 12px 0 0; padding: 0; list-style: none; }
.notes li {
  position: relative; padding-left: 20px; margin: 6px 0;
  font-size: .84rem; color: var(--text-dim);
}
.notes li::before {
  content: ''; position: absolute; left: 6px; top: .62em; width: 5px; height: 5px;
  border-radius: 50%; background: var(--brand);
}

.errs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.errs__i {
  display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px;
  border-radius: var(--r-sm); background: var(--err-wash);
  border: 1px solid color-mix(in srgb, var(--err) 24%, transparent);
  font-size: .76rem; color: var(--text-dim);
}
.errs__i b { font-family: var(--mono); color: var(--err); font-weight: 700; }

/* Legend ------------------------------------------------------------------ */

.legend { display: flex; gap: 20px; flex-wrap: wrap; margin: 18px 0; padding: 13px 16px;
  border: 1px dashed var(--border-mid); border-radius: var(--r); background: var(--bg-elev); }
.legend__i { display: flex; align-items: center; gap: 9px; font-size: .8rem; color: var(--text-dim); }

/* --------------------------------------------------------------------------
   10. Cards / grids
   -------------------------------------------------------------------------- */

.grid { display: grid; gap: 16px; margin: 1.5em 0; }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }

.card {
  border: 1px solid var(--border); border-radius: var(--r-lg); background: var(--bg-elev);
  padding: 20px; transition: all .22s var(--ease); position: relative; overflow: hidden;
}
.card:hover { border-color: var(--border-mid); transform: translateY(-2px); box-shadow: var(--shadow); }
a.card:hover { text-decoration: none; }
.card__icon {
  width: 38px; height: 38px; border-radius: 11px; display: grid; place-items: center;
  background: var(--brand-wash); color: var(--brand); font-size: 18px; margin-bottom: 13px;
}
.card__t { font-size: .97rem; font-weight: 720; color: var(--text); margin-bottom: 5px; }
.card__d { font-size: .85rem; color: var(--text-dim); line-height: 1.6; }
.card__go { margin-top: 12px; font-size: .78rem; font-weight: 650; color: var(--brand-soft); display: inline-flex; align-items: center; gap: 5px; }
.card:hover .card__go .icon { transform: translateX(3px); }
.card__go .icon { transition: transform .2s var(--ease); }

.stat { display: flex; flex-direction: column; gap: 2px; }
.stat__n { font-size: 1.75rem; font-weight: 850; letter-spacing: -1px; color: var(--brand-soft); font-family: var(--mono); }
.stat__l { font-size: .76rem; color: var(--text-faint); }

.chips { display: flex; flex-wrap: wrap; gap: 7px; margin: 12px 0; }
.chip {
  font-family: var(--mono); font-size: .75rem; padding: 4px 10px; border-radius: 99px;
  background: var(--bg-elev-2); border: 1px solid var(--border-mid); color: var(--text-dim);
  transition: all .16s var(--ease);
}
.chip:hover { border-color: var(--brand); color: var(--brand-soft); }
.chip--on { background: var(--brand-wash); border-color: var(--brand); color: var(--brand-soft); }

/* --------------------------------------------------------------------------
   11. Search overlay
   -------------------------------------------------------------------------- */

.ovl {
  position: fixed; inset: 0; z-index: 200; display: none;
  background: rgba(0,0,0,.62); backdrop-filter: blur(4px);
  padding: 12vh 20px 20px;
}
.ovl.is-open { display: block; animation: fadeIn .16s var(--ease) both; }
.ovl__box {
  max-width: 640px; margin: 0 auto; background: var(--bg-elev);
  border: 1px solid var(--border-mid); border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg); overflow: hidden; animation: popIn .2s var(--spring) both;
}
.ovl__in { display: flex; align-items: center; gap: 11px; padding: 15px 18px; border-bottom: 1px solid var(--border); }
.ovl__in .icon { color: var(--text-faint); font-size: 18px; }
.ovl__in input {
  flex: 1; background: none; border: 0; outline: 0;
  color: var(--text); font-family: var(--sans); font-size: 1rem;
}
.ovl__in input::placeholder { color: var(--text-faint); }
.ovl__res { max-height: 52vh; overflow-y: auto; padding: 8px; }
.ovl__hit {
  display: flex; align-items: center; gap: 11px; padding: 10px 13px; border-radius: var(--r-sm);
  cursor: pointer; text-decoration: none; transition: background .12s var(--ease);
}
.ovl__hit:hover, .ovl__hit.is-sel { background: var(--brand-wash); text-decoration: none; }
.ovl__hit .icon { color: var(--text-faint); font-size: 15px; }
.ovl__t { font-size: .88rem; color: var(--text); font-weight: 600; }
.ovl__c { font-size: .74rem; color: var(--text-faint); margin-left: auto; font-family: var(--mono); white-space: nowrap; }
.ovl__empty { padding: 28px; text-align: center; color: var(--text-faint); font-size: .87rem; }
.ovl__foot {
  display: flex; gap: 16px; padding: 10px 18px; border-top: 1px solid var(--border);
  background: var(--bg-elev-2); font-size: .72rem; color: var(--text-faint);
}
.ovl__foot kbd {
  font-family: var(--mono); padding: 1px 5px; border-radius: 4px;
  background: var(--bg-sunken); border: 1px solid var(--border); margin-right: 4px;
}

/* --------------------------------------------------------------------------
   12. Misc
   -------------------------------------------------------------------------- */

.skeleton { animation: pulse 1.3s ease-in-out infinite; background: var(--bg-elev-2); border-radius: var(--r); height: 15px; margin: 9px 0; }
.skeleton--t { width: 42%; height: 26px; }
.skeleton--w { width: 88%; }

#totop {
  position: fixed; right: 26px; bottom: 26px; z-index: 55;
  width: 42px; height: 42px; border-radius: 50%; cursor: pointer;
  display: grid; place-items: center; font-size: 17px;
  background: var(--bg-elev); border: 1px solid var(--border-mid); color: var(--brand-soft);
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transform: translateY(10px);
  transition: all .24s var(--ease);
}
#totop.is-on { opacity: 1; pointer-events: auto; transform: translateY(0); }
#totop:hover { border-color: var(--brand); background: var(--brand-wash); }

#toast {
  position: fixed; left: 50%; bottom: 30px; transform: translate(-50%, 14px); z-index: 300;
  padding: 10px 20px; border-radius: 99px; font-size: .84rem; font-weight: 600;
  background: var(--bg-elev); color: var(--text); border: 1px solid var(--brand);
  box-shadow: var(--shadow-lg); opacity: 0; pointer-events: none; transition: all .24s var(--ease);
}
#toast.is-on { opacity: 1; transform: translate(-50%, 0); }

.pager { display: flex; gap: 14px; margin-top: 54px; padding-top: 26px; border-top: 1px solid var(--border); }
.pager a {
  flex: 1; padding: 15px 18px; border-radius: var(--r); border: 1px solid var(--border);
  background: var(--bg-elev); text-decoration: none; transition: all .2s var(--ease);
}
.pager a:hover { border-color: var(--brand); transform: translateY(-2px); text-decoration: none; }
.pager__l { font-size: .68rem; letter-spacing: .9px; text-transform: uppercase; color: var(--text-faint); font-weight: 700; }
.pager__t { font-size: .92rem; color: var(--text); font-weight: 650; margin-top: 3px; }
.pager a:last-child { text-align: right; }

/* --------------------------------------------------------------------------
   13. Animations
   -------------------------------------------------------------------------- */

@keyframes pageIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes popIn  { from { opacity: 0; transform: scale(.97) translateY(-8px); } to { opacity: 1; transform: none; } }
@keyframes pulse  { 0%, 100% { opacity: .5; } 50% { opacity: .9; } }
@keyframes rise   { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

.reveal { opacity: 0; }
.reveal.is-in { animation: rise .48s var(--ease) both; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important; animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .reveal { opacity: 1; }
}

/* Never hide content from a printer or a browser without scripting. */
@media print {
  .topbar, .sidebar, .rail, #totop, #progress, .backdrop, .ovl, .pager { display: none !important; }
  .shell { padding: 0 !important; }
  .page { grid-template-columns: 1fr !important; padding: 0 !important; max-width: none !important; }
  .reveal { opacity: 1 !important; animation: none !important; }
  .tabs__panel { display: block !important; }
  body { background: #fff; color: #111; }
}

.no-js .reveal { opacity: 1; }

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1240px) {
  .page { grid-template-columns: minmax(0, 1fr); }
  .rail { display: none; }
}

@media (max-width: 1000px) {
  :root { --sidebar-w: 0px; }
  .menutoggle { display: inline-flex; }
  .sidebar {
    width: 286px; transform: translateX(-100%);
    transition: transform .26s var(--ease); box-shadow: var(--shadow-lg);
  }
  .sidebar.is-open { transform: none; }
  .searchbtn { min-width: 0; }
  .searchbtn span, .searchbtn kbd { display: none; }
  .page { padding: 28px 20px 90px; }
  .phead h1 { font-size: 1.85rem; }
  .backdrop { position: fixed; inset: var(--top-h) 0 0 0; background: rgba(0,0,0,.5); z-index: 49; display: none; }
  .backdrop.is-on { display: block; animation: fadeIn .18s var(--ease) both; }
}

@media (max-width: 640px) {
  .brand__text { display: none; }
  .tbtn span { display: none; }
  .step { padding-left: 0; }
  .step::before { display: none; }
  .step__n { position: static; margin-bottom: 10px; }
}