/* ============================================================
   AIR Portal — HO Console User Guide
   Shared stylesheet (self-contained, no external assets)
   ============================================================ */

:root {
  --amber-50:#fffbeb; --amber-100:#fef3c7; --amber-200:#fde68a; --amber-300:#fcd34d;
  --amber-400:#fbbf24; --amber-500:#f59e0b; --amber-600:#d97706; --amber-700:#b45309;
  --gray-50:#f8fafc; --gray-100:#f1f5f9; --gray-200:#e2e8f0; --gray-300:#cbd5e1;
  --gray-400:#94a3b8; --gray-500:#64748b; --gray-600:#475569; --gray-700:#334155;
  --gray-800:#1e293b; --gray-900:#0f172a; --gray-950:#020617;

  --bg: #ffffff;
  --bg-soft: var(--gray-50);
  --bg-sink: var(--gray-100);
  --text: var(--gray-800);
  --text-soft: var(--gray-500);
  --heading: var(--gray-900);
  --border: var(--gray-200);
  --border-strong: var(--gray-300);
  --accent: var(--amber-600);
  --accent-soft: var(--amber-50);
  --accent-border: var(--amber-200);
  --link: #b45309;
  --code-bg: var(--gray-100);
  --code-text: #9a3412;
  --shadow: 0 1px 2px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.05);
  --sidebar-w: 290px;
  --toc-w: 220px;
  --content-max: 820px;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--gray-950); --bg-soft: #0b1220; --bg-sink: var(--gray-900);
    --text: #cbd5e1; --text-soft: #8ca0b8; --heading: #f1f5f9;
    --border: #1e293b; --border-strong: #334155;
    --accent: var(--amber-400); --accent-soft: rgba(251,191,36,.09); --accent-border: rgba(251,191,36,.28);
    --link: var(--amber-300); --code-bg: #131c2e; --code-text: #fcd34d;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"] {
  --bg: var(--gray-950); --bg-soft: #0b1220; --bg-sink: var(--gray-900);
  --text: #cbd5e1; --text-soft: #8ca0b8; --heading: #f1f5f9;
  --border: #1e293b; --border-strong: #334155;
  --accent: var(--amber-400); --accent-soft: rgba(251,191,36,.09); --accent-border: rgba(251,191,36,.28);
  --link: var(--amber-300); --code-bg: #131c2e; --code-text: #fcd34d;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  line-height: 1.65; font-size: 16px; -webkit-font-smoothing: antialiased;
}

/* ---------- Top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50; height: 60px;
  display: flex; align-items: center; gap: 16px; padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.topbar__brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--heading); text-decoration: none; white-space: nowrap; }
.topbar__logo {
  width: 30px; height: 30px; border-radius: 8px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--amber-400), var(--amber-600)); color: #1f1300; font-weight: 800; font-size: 14px;
}
.topbar__brand small { display:block; font-weight: 500; font-size: 11px; color: var(--text-soft); letter-spacing:.02em; }
.topbar__spacer { flex: 1; }
.topbar__search { position: relative; }
.topbar__search input {
  width: 230px; max-width: 40vw; padding: 8px 12px 8px 32px; font: inherit; font-size: 14px;
  color: var(--text); background: var(--bg-sink); border: 1px solid var(--border); border-radius: 8px;
}
.topbar__search input:focus { outline: 2px solid var(--accent); outline-offset: 0; border-color: transparent; }
.topbar__search svg { position: absolute; left: 9px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--text-soft); }
.iconbtn {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 8px; cursor: pointer;
  background: transparent; border: 1px solid var(--border); color: var(--text-soft);
}
.iconbtn:hover { color: var(--accent); border-color: var(--accent-border); }
.iconbtn svg { width: 18px; height: 18px; }
#menuBtn { display: none; }

/* ---------- Layout ---------- */
.layout { display: grid; grid-template-columns: var(--sidebar-w) minmax(0,1fr) var(--toc-w); align-items: start; max-width: 1440px; margin: 0 auto; }

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky; top: 60px; height: calc(100vh - 60px); overflow-y: auto;
  border-right: 1px solid var(--border); padding: 22px 14px 60px; background: var(--bg-soft);
}
.sidebar__group { margin-bottom: 18px; }
.sidebar__group h4 {
  margin: 0 0 6px; padding: 0 10px; font-size: 11px; font-weight: 700; letter-spacing: .08em;
  text-transform: uppercase; color: var(--text-soft);
}
.sidebar a {
  display: flex; align-items: center; gap: 8px; padding: 6px 10px; margin: 1px 0; border-radius: 7px;
  color: var(--text); text-decoration: none; font-size: 14.5px; line-height: 1.35;
}
.sidebar a:hover { background: var(--bg-sink); color: var(--heading); }
.sidebar a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; box-shadow: inset 2px 0 0 var(--accent); }
.sidebar a .pill { margin-left: auto; }
.sidebar__empty { padding: 10px; color: var(--text-soft); font-size: 13px; }

/* ---------- Content ---------- */
.content { min-width: 0; padding: 34px 46px 90px; max-width: calc(var(--content-max) + 92px); }
.content > *:first-child { margin-top: 0; }
.crumbs { font-size: 13px; color: var(--text-soft); margin-bottom: 18px; }
.crumbs a { color: var(--text-soft); text-decoration: none; }
.crumbs a:hover { color: var(--accent); }
.crumbs span { margin: 0 6px; opacity: .5; }

h1 { font-size: 2.1rem; line-height: 1.15; color: var(--heading); margin: 0 0 8px; letter-spacing: -.02em; }
h2 { font-size: 1.5rem; color: var(--heading); margin: 2.4em 0 .6em; padding-top: .3em; letter-spacing: -.01em; scroll-margin-top: 80px; }
h2::before { content: ""; display: block; height: 1px; background: var(--border); margin-bottom: 1em; }
h3 { font-size: 1.18rem; color: var(--heading); margin: 1.9em 0 .5em; scroll-margin-top: 80px; }
h4 { font-size: 1rem; color: var(--heading); margin: 1.5em 0 .4em; }
p { margin: .8em 0; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
.lead { font-size: 1.16rem; color: var(--text-soft); line-height: 1.6; margin: 0 0 1.4em; }
strong { color: var(--heading); font-weight: 650; }
hr { border: 0; border-top: 1px solid var(--border); margin: 2.4em 0; }

ul, ol { padding-left: 1.35em; margin: .8em 0; }
li { margin: .34em 0; }
li::marker { color: var(--text-soft); }

code {
  font-family: var(--mono); font-size: .87em; background: var(--code-bg); color: var(--code-text);
  padding: .12em .4em; border-radius: 5px; border: 1px solid var(--border);
}
pre {
  background: var(--bg-sink); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; overflow-x: auto; margin: 1.2em 0; font-size: 13.5px; line-height: 1.55;
}
pre code { background: none; border: 0; padding: 0; color: var(--text); }

/* ---------- UI-element & keyboard styling ---------- */
.ui { font-weight: 600; color: var(--heading); background: var(--bg-sink); border: 1px solid var(--border);
  border-radius: 6px; padding: .05em .45em; font-size: .9em; white-space: nowrap; }
.path { font-family: var(--mono); font-size: .85em; color: var(--text-soft); }
.kbd { font-family: var(--mono); font-size: .8em; background: var(--bg); border: 1px solid var(--border-strong);
  border-bottom-width: 2px; border-radius: 5px; padding: .1em .45em; color: var(--heading); }

/* ---------- Permission chip ---------- */
.perm { display: inline-block; font-family: var(--mono); font-size: .78em; font-weight: 600;
  background: var(--accent-soft); color: var(--accent); border: 1px solid var(--accent-border);
  border-radius: 999px; padding: .12em .6em; white-space: nowrap; }

/* ---------- State badges (mirror Filament colors) ---------- */
.badge { display: inline-block; font-size: .78em; font-weight: 600; border-radius: 6px; padding: .16em .55em;
  border: 1px solid transparent; white-space: nowrap; line-height: 1.4; }
.badge--gray    { background:#f1f5f9; color:#475569; border-color:#e2e8f0; }
.badge--info    { background:#eff6ff; color:#1d4ed8; border-color:#bfdbfe; }
.badge--warning { background:#fffbeb; color:#b45309; border-color:#fde68a; }
.badge--primary { background:#fff7ed; color:#c2410c; border-color:#fed7aa; }
.badge--success { background:#ecfdf5; color:#047857; border-color:#a7f3d0; }
.badge--danger  { background:#fef2f2; color:#b91c1c; border-color:#fecaca; }
:root[data-theme="dark"] .badge--gray,    :root:not([data-theme="light"]) .badge--gray    { background:#1e293b; color:#94a3b8; border-color:#334155; }
:root[data-theme="dark"] .badge--info,    :root:not([data-theme="light"]) .badge--info    { background:rgba(59,130,246,.12); color:#93c5fd; border-color:rgba(59,130,246,.3); }
:root[data-theme="dark"] .badge--warning, :root:not([data-theme="light"]) .badge--warning { background:rgba(245,158,11,.12); color:#fcd34d; border-color:rgba(245,158,11,.3); }
:root[data-theme="dark"] .badge--primary, :root:not([data-theme="light"]) .badge--primary { background:rgba(234,88,12,.14); color:#fdba74; border-color:rgba(234,88,12,.32); }
:root[data-theme="dark"] .badge--success, :root:not([data-theme="light"]) .badge--success { background:rgba(16,185,129,.12); color:#6ee7b7; border-color:rgba(16,185,129,.3); }
:root[data-theme="dark"] .badge--danger,  :root:not([data-theme="light"]) .badge--danger  { background:rgba(239,68,68,.12); color:#fca5a5; border-color:rgba(239,68,68,.3); }
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .badge--gray    { background:#1e293b; color:#94a3b8; border-color:#334155; }
}

/* ---------- Status pills (built / planned) ---------- */
.pill { display: inline-flex; align-items:center; gap:5px; font-size: .68rem; font-weight: 700; letter-spacing:.03em;
  text-transform: uppercase; border-radius: 999px; padding: .18em .6em; border: 1px solid transparent; }
.pill--built   { background: #ecfdf5; color:#047857; border-color:#a7f3d0; }
.pill--planned { background: #eef2ff; color:#4338ca; border-color:#c7d2fe; }
.pill--partial { background: #fffbeb; color:#b45309; border-color:#fde68a; }
:root[data-theme="dark"] .pill--built, :root:not([data-theme="light"]) .pill--built { background: rgba(16,185,129,.12); color:#6ee7b7; border-color: rgba(16,185,129,.3); }
:root[data-theme="dark"] .pill--planned, :root:not([data-theme="light"]) .pill--planned { background: rgba(99,102,241,.14); color:#a5b4fc; border-color: rgba(99,102,241,.32); }
:root[data-theme="dark"] .pill--partial, :root:not([data-theme="light"]) .pill--partial { background: rgba(245,158,11,.12); color:#fcd34d; border-color: rgba(245,158,11,.3); }

/* ---------- Callouts / admonitions ---------- */
.callout { display: grid; grid-template-columns: 26px 1fr; gap: 12px; margin: 1.3em 0; padding: 14px 16px;
  border: 1px solid var(--border); border-left-width: 4px; border-radius: var(--radius); background: var(--bg-soft); }
.callout__icon { width: 22px; height: 22px; margin-top: 1px; }
.callout__body { min-width: 0; }
.callout__body > *:first-child { margin-top: 0; }
.callout__body > *:last-child { margin-bottom: 0; }
.callout__title { font-weight: 700; color: var(--heading); margin-bottom: 2px; }
.callout--note    { border-left-color: var(--gray-400); }
.callout--tip     { border-left-color: #10b981; }
.callout--tip .callout__icon { color:#10b981; }
.callout--warning { border-left-color: #f59e0b; background: var(--amber-50); }
.callout--warning .callout__icon { color:#d97706; }
.callout--danger  { border-left-color: #ef4444; }
.callout--danger .callout__icon { color:#ef4444; }
.callout--planned { border-left-color: #6366f1; }
.callout--planned .callout__icon { color:#6366f1; }
.callout--permission { border-left-color: var(--amber-500); }
.callout--permission .callout__icon { color: var(--amber-600); }
:root[data-theme="dark"] .callout--warning, :root:not([data-theme="light"]) .callout--warning { background: rgba(245,158,11,.07); }

/* ---------- Steps ---------- */
.steps { list-style: none; counter-reset: step; padding: 0; margin: 1.3em 0; }
.steps > li { position: relative; counter-increment: step; padding: 2px 0 18px 46px; margin: 0; }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 30px; height: 30px;
  display: grid; place-items: center; border-radius: 50%; font-weight: 700; font-size: 14px;
  background: var(--accent); color: #1f1300;
}
.steps > li::after { content: ""; position: absolute; left: 14px; top: 34px; bottom: 2px; width: 2px; background: var(--border); }
.steps > li:last-child::after { display: none; }
.steps > li > *:first-child { margin-top: 2px; }
.steps__title { font-weight: 650; color: var(--heading); }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 1.3em 0; border: 1px solid var(--border); border-radius: var(--radius); }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 13px; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th { background: var(--bg-sink); color: var(--heading); font-weight: 650; font-size: 12.5px; letter-spacing:.02em; text-transform: uppercase; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: var(--bg-soft); }
td code { white-space: nowrap; }
.col-req { text-align:center; white-space:nowrap; }

/* ---------- Diagrams & screenshots ---------- */
.diagram { margin: 1.6em 0; padding: 18px; background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); overflow-x: auto; }
.diagram svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.figcap { font-size: 13px; color: var(--text-soft); text-align: center; margin-top: 10px; }
.screenshot { margin: 1.4em 0; border: 2px dashed var(--border-strong); border-radius: var(--radius);
  background: repeating-linear-gradient(45deg, var(--bg-soft), var(--bg-soft) 12px, var(--bg-sink) 12px, var(--bg-sink) 24px);
  min-height: 130px; display: grid; place-items: center; text-align: center; padding: 24px; color: var(--text-soft); }
.screenshot b { display:block; color: var(--heading); font-size: 13px; letter-spacing:.03em; text-transform: uppercase; margin-bottom: 4px; }
.screenshot span { font-size: 13.5px; max-width: 60ch; }
.screenshot::before { content: "📷"; display:block; font-size: 22px; margin-bottom: 8px; opacity:.7; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px,1fr)); gap: 14px; margin: 1.4em 0; }
.card { display: block; padding: 16px 18px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--bg-soft); text-decoration: none; color: var(--text); transition: border-color .12s, transform .12s; box-shadow: var(--shadow); }
.card:hover { border-color: var(--accent-border); transform: translateY(-2px); text-decoration: none; }
.card h3 { margin: 0 0 4px; font-size: 1.02rem; color: var(--heading); }
.card p { margin: 0; font-size: 13.5px; color: var(--text-soft); }
.card__group { font-size: 11px; font-weight:700; letter-spacing:.06em; text-transform: uppercase; color: var(--accent); margin-bottom: 6px; }

/* ---------- Definition list (glossary) ---------- */
.dl { margin: 1.2em 0; }
.dl dt { font-weight: 700; color: var(--heading); margin-top: 1em; }
.dl dd { margin: .2em 0 0; padding-left: 0; color: var(--text); }

/* ---------- In-page TOC (right rail) ---------- */
.page-toc { position: sticky; top: 60px; align-self: start; max-height: calc(100vh - 60px); overflow-y: auto; padding: 30px 18px; font-size: 13.5px; }
.page-toc h5 { margin: 0 0 10px; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--text-soft); }
.page-toc a { display: block; padding: 4px 10px; color: var(--text-soft); text-decoration: none; border-left: 2px solid var(--border); line-height: 1.35; }
.page-toc a:hover { color: var(--accent); }
.page-toc a.h3 { padding-left: 22px; font-size: 13px; }
.page-toc a.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

/* ---------- Pager ---------- */
.pager { display: flex; gap: 14px; margin-top: 3.2em; padding-top: 1.6em; border-top: 1px solid var(--border); }
.pager a { flex: 1; padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius); text-decoration: none; color: var(--text); background: var(--bg-soft); }
.pager a:hover { border-color: var(--accent-border); }
.pager small { display: block; color: var(--text-soft); font-size: 12px; margin-bottom: 3px; }
.pager b { color: var(--heading); }
.pager .next { text-align: right; }

/* ---------- Utilities ---------- */
.muted { color: var(--text-soft); }
.nowrap { white-space: nowrap; }
.center { text-align: center; }
.mt0 { margin-top: 0; }
.tag-row { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: .6em 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .layout { grid-template-columns: var(--sidebar-w) minmax(0,1fr); }
  .page-toc { display: none; }
}
@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; }
  #menuBtn { display: grid; }
  .topbar__search input { width: 150px; }
  .sidebar {
    position: fixed; top: 60px; left: 0; bottom: 0; width: min(86vw, 320px); z-index: 40;
    transform: translateX(-102%); transition: transform .2s ease; box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .content { padding: 26px 20px 80px; }
  .scrim { position: fixed; inset: 60px 0 0; background: rgba(15,23,42,.4); z-index: 39; opacity: 0; pointer-events: none; transition: opacity .2s; }
  .scrim.open { opacity: 1; pointer-events: auto; }
}
@media (min-width: 821px) { .scrim { display: none; } }