/* ================================================================
   Kafka Lab — стили. Тёмная тема, токены в :root.
   ================================================================ */
:root {
  --bg: #0b0e14;
  --bg-2: #0f131b;
  --panel: #131925;
  --panel-2: #182031;
  --panel-3: #1e2840;
  --border: #253048;
  --border-2: #31405f;
  --text: #dbe1ea;
  --text-2: #b4bdcc;
  --muted: #7f8aa0;
  --accent: #7aa2f7;
  --accent-2: #a5c0ff;

  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --info: #60a5fa;
  --pause: #a78bfa;
  --fenced: #f97316;

  --t-orders: #f5a524;
  --t-payments: #22c55e;
  --t-clickstream: #60a5fa;
  --t-dlq: #ef4444;
  --t-profiles: #c084fc;
  --t-other: #94a3b8;

  --lang-cs: #9b6bdf;
  --lang-py: #3b82f6;
  --lang-go: #06b6d4;

  --radius: 10px;
  --radius-sm: 6px;
  --mono: ui-monospace, "Cascadia Code", "JetBrains Mono", Consolas, monospace;
  --sans: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --topbar-h: 54px; /* the real header height, kept up to date by main.js: the status pills can wrap to a second line */
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 13px/1.45 var(--sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; color: inherit; }
a { color: var(--accent); }
code, .mono { font-family: var(--mono); }
h3 { margin: 0; font-size: 13px; font-weight: 600; }
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 9px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 18px;
  padding: 8px 16px;
  background: rgba(11, 14, 20, .92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 15px; white-space: nowrap; }
a.brand { color: var(--text); text-decoration: none; border-radius: 8px; padding: 3px 6px; margin: -3px -6px; transition: background .15s; }
a.brand:hover { background: var(--panel-2); }
a.brand:hover .brand-name { color: var(--accent-2); }
a.brand:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.logo { display: inline-flex; color: var(--text); }
.tabs { display: flex; gap: 2px; background: var(--panel); padding: 3px; border-radius: 9px; border: 1px solid var(--border); }
.tab-btn { background: none; border: 0; padding: 5px 12px; border-radius: 7px; color: var(--text-2); cursor: pointer; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active { background: var(--panel-3); color: var(--text); }
.health { display: flex; gap: 6px; flex-wrap: wrap; flex: 1; min-width: 0; }
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 9px; border-radius: 999px;
  background: var(--panel); border: 1px solid var(--border);
  font-size: 12px; white-space: nowrap; color: var(--text-2);
}
.pill b { color: var(--text); font-weight: 600; font-family: var(--mono); }
.pill.ok b { color: var(--ok); }
.pill.warn { border-color: rgba(245, 158, 11, .5); }
.pill.warn b { color: var(--warn); }
.pill.err { border-color: rgba(239, 68, 68, .6); background: rgba(239, 68, 68, .1); }
.pill.err b { color: var(--err); }
.top-actions { display: flex; gap: 8px; align-items: center; }
.conn { color: var(--muted); font-size: 14px; }
.conn.on { color: var(--ok); }
.conn.off { color: var(--err); }
.lang-switch button { padding: 2px 8px; font-size: 11.5px; font-weight: 600; letter-spacing: .03em; }
.about-btn { width: 26px; height: 26px; padding: 0; border-radius: 50%; border-color: var(--border-2); font-weight: 700; }

/* ---------- buttons ---------- */
.btn {
  background: var(--panel-2); border: 1px solid var(--border-2); color: var(--text);
  padding: 5px 11px; border-radius: 7px; cursor: pointer; white-space: nowrap;
}
.btn:hover { background: var(--panel-3); border-color: var(--accent); }
.btn:disabled { opacity: .45; cursor: default; }
.btn-sm { padding: 3px 8px; font-size: 12px; }
.btn-xs { padding: 1px 6px; font-size: 11px; border-radius: 5px; }
.btn-heal { border-color: rgba(34, 197, 94, .5); }
.btn-primary { background: #2a3e6b; border-color: var(--accent); }
.btn-danger { border-color: rgba(239, 68, 68, .6); }
.btn-danger:hover { background: rgba(239, 68, 68, .15); border-color: var(--err); }
.btn-warn { border-color: rgba(245, 158, 11, .55); }
.btn-warn:hover { background: rgba(245, 158, 11, .12); border-color: var(--warn); }
.icon-btn {
  background: none; border: 1px solid transparent; color: var(--text-2); cursor: pointer;
  border-radius: 6px; padding: 2px 6px; line-height: 1.2;
}
.icon-btn:hover { background: var(--panel-3); color: var(--text); border-color: var(--border-2); }
.icon-btn.danger:hover { color: var(--err); border-color: rgba(239,68,68,.5); }
.chip-btn {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text-2);
  border-radius: 999px; padding: 1px 9px; font-size: 11.5px; cursor: pointer;
}
.chip-btn.active { background: var(--panel-3); color: var(--text); border-color: var(--accent); }
.seg { display: inline-flex; border: 1px solid var(--border-2); border-radius: 7px; overflow: hidden; }
.seg button { background: var(--panel-2); border: 0; padding: 2px 9px; cursor: pointer; color: var(--text-2); font-size: 12px; }
.seg button + button { border-left: 1px solid var(--border-2); }
.seg button.active { background: #2a3e6b; color: #fff; }
.chk { display: inline-flex; align-items: center; gap: 5px; color: var(--text-2); font-size: 12px; cursor: pointer; user-select: none; }
.chk input { accent-color: var(--accent); }
select, input[type="text"], input[type="number"], input[type="search"], textarea {
  background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 6px; padding: 3px 7px; color: var(--text);
}
input[type="range"] { accent-color: var(--accent); width: 100%; }
textarea { font-family: var(--mono); font-size: 12px; resize: vertical; }

/* ---------- pages ---------- */
main { min-height: calc(100vh - 50px); }
.tab-page { display: none; }
.tab-page.active { display: block; }

/* ---------- live layout ---------- */
.live-layout { display: flex; align-items: stretch; }
.live-main { flex: 1; min-width: 0; padding: 12px 16px 16px; container-type: inline-size; }
.live-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(290px, 330px) minmax(470px, 1fr) minmax(340px, 400px);
  gap: 64px;
  align-items: start;
}
.col { min-width: 0; position: relative; z-index: 1; }
.col-title { display: flex; justify-content: space-between; align-items: baseline; margin: 0 2px 8px; font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-2); }
.col-hint { font-weight: 400; text-transform: none; letter-spacing: 0; color: var(--muted); font-size: 11.5px; }
.stack { display: flex; flex-direction: column; gap: 12px; }
#flow { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 5; }
.cluster-tools { display: flex; gap: 12px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.legend { display: flex; flex-wrap: wrap; gap: 10px; margin: -2px 2px 8px; color: var(--muted); font-size: 11.5px; }
.legend .lg { display: inline-flex; align-items: center; gap: 5px; }

/* ---------- cards ---------- */
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px 12px; position: relative;
}
.card.dim { opacity: .55; }
.card-head { display: flex; align-items: center; gap: 8px; min-width: 0; }
.card-title { font-weight: 650; font-size: 13.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-sub { color: var(--muted); font-size: 11.5px; margin-top: 1px; }
.card-actions { margin-left: auto; display: flex; gap: 2px; flex-shrink: 0; }
.lang { font-size: 10.5px; font-weight: 700; padding: 1px 6px; border-radius: 5px; color: #fff; flex-shrink: 0; }
.lang.cs { background: var(--lang-cs); }
.lang.py { background: var(--lang-py); }
.lang.go { background: var(--lang-go); color: #062a31; }
.lang.java { background: #e76f00; }
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 11px; padding: 1px 7px; border-radius: 999px;
  border: 1px solid var(--border-2); color: var(--text-2); white-space: nowrap;
}
.badge.ok { color: var(--ok); border-color: rgba(34,197,94,.45); background: rgba(34,197,94,.08); }
.badge.warn { color: var(--warn); border-color: rgba(245,158,11,.5); background: rgba(245,158,11,.08); }
.badge.err { color: var(--err); border-color: rgba(239,68,68,.55); background: rgba(239,68,68,.1); }
.badge.pause { color: var(--pause); border-color: rgba(167,139,250,.5); background: rgba(167,139,250,.1); }
.badge.fenced { color: var(--fenced); border-color: rgba(249,115,22,.55); background: rgba(249,115,22,.1); }
.badge.star { color: #fde68a; border-color: rgba(253,230,138,.45); background: rgba(253,230,138,.08); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; flex-shrink: 0; background: var(--muted); }
.dot.ok { background: var(--ok); box-shadow: 0 0 6px rgba(34,197,94,.6); }
.dot.warn { background: var(--warn); }
.dot.err { background: var(--err); }
.dot.pause { background: var(--pause); }

.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; margin: 9px 0 6px; }
.metric { background: var(--bg-2); border: 1px solid var(--border); border-radius: 7px; padding: 4px 7px; min-width: 0; }
.metric .v { font-family: var(--mono); font-size: 15px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric .l { color: var(--muted); font-size: 10.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.metric.bad .v { color: var(--err); }
.metric.warnv .v { color: var(--warn); }
.metric.good .v { color: var(--ok); }
.kv { display: flex; flex-wrap: wrap; gap: 3px 12px; color: var(--muted); font-size: 11.5px; }
.kv b { color: var(--text-2); font-weight: 600; font-family: var(--mono); }
.kv b.bad { color: var(--err); }
.kv b.good { color: var(--ok); }

.controls { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 10px; align-items: center; margin-top: 8px; font-size: 12px; }
.controls > label { color: var(--text-2); white-space: nowrap; }
.controls select { max-width: 100%; min-width: 0; }
.ctl-row { display: flex; align-items: center; gap: 8px; min-width: 0; }
.ctl-row input[type="range"] { min-width: 0; }
.ctl-row .val { font-family: var(--mono); min-width: 58px; text-align: right; color: var(--text); }
details.more { margin-top: 6px; }
details.more > summary { cursor: pointer; color: var(--muted); font-size: 12px; user-select: none; }
details.more > summary:hover { color: var(--text); }
.box { margin-top: 8px; padding: 6px 8px; background: var(--bg-2); border: 1px solid var(--border); border-radius: 7px; font-size: 12px; }
.box-title { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 3px; display: flex; gap: 6px; align-items: center; }
.box.alarm { border-color: rgba(239,68,68,.65); background: rgba(239,68,68,.08); }
.send-row { display: flex; gap: 6px; align-items: center; margin-top: 6px; flex-wrap: wrap; }
.send-row input { width: 120px; }
.result { font-family: var(--mono); font-size: 11.5px; color: var(--text-2); margin-top: 4px; min-height: 16px; }
.errors-list { margin-top: 6px; font-size: 11.5px; color: #fca5a5; font-family: var(--mono); max-height: 70px; overflow: auto; }
.client-view { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 6px; }
.cv { font-family: var(--mono); font-size: 11px; padding: 1px 6px; border-radius: 5px; border: 1px solid var(--border-2); color: var(--text-2); }
.cv.up { border-color: rgba(34,197,94,.45); }
.cv.down { border-color: rgba(239,68,68,.6); color: #fca5a5; }

/* ---------- broker card ---------- */
.broker { padding-bottom: 8px; transition: border-color .3s, box-shadow .3s; }
.broker.st-online { border-color: rgba(34,197,94,.35); }
.broker.st-fenced { border-color: rgba(249,115,22,.7); box-shadow: 0 0 0 1px rgba(249,115,22,.25) inset; }
.broker.st-paused { border-color: rgba(167,139,250,.6); }
.broker.st-stopped { border-color: rgba(239,68,68,.6); }
.broker.st-starting { border-color: rgba(96,165,250,.6); }
.broker .chaos-bar { display: flex; gap: 3px; margin-left: auto; }
.broker-meta { color: var(--muted); font-size: 11.5px; margin: 3px 0 6px; display: flex; flex-wrap: wrap; gap: 2px 10px; }
.broker-meta b { color: var(--text-2); font-family: var(--mono); font-weight: 600; }
.chaos-badges { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }
.chaos-badges:empty { display: none; }
.prow { display: grid; grid-template-columns: 112px 1fr; align-items: center; gap: 6px; margin-top: 3px; }
.prow .tname { font-size: 11.5px; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 5px; }
.prow .tname i { width: 8px; height: 8px; border-radius: 2px; flex-shrink: 0; }
.chips { display: flex; gap: 3px; flex-wrap: wrap; }
.pchip {
  width: 25px; height: 21px; border-radius: 5px; display: inline-flex; align-items: center; justify-content: center;
  font: 600 11px/1 var(--mono); border: 1.5px solid var(--c, var(--t-other)); color: var(--c, var(--t-other));
  background: transparent; cursor: default; position: relative; transition: background .25s, opacity .25s;
}
.pchip.leader { background: var(--c); color: #10131a; }
.pchip.leader::after { content: ""; position: absolute; top: -3px; right: -3px; width: 7px; height: 7px; border-radius: 50%; background: #fde68a; border: 1.5px solid var(--panel); }
.pchip.out { border-style: dashed; border-color: var(--err); color: var(--err); opacity: .8; }
.pchip.offline { border-color: var(--muted); color: var(--muted); background: repeating-linear-gradient(45deg, transparent 0 4px, rgba(148,163,184,.18) 4px 6px); }
.pchip.underMin.leader { box-shadow: 0 0 0 2px var(--err); }
.pchip.empty { visibility: hidden; }
.pchip.hot { animation: hot 1s infinite alternate; }
@keyframes hot { from { box-shadow: 0 0 0 0 rgba(245,165,36,0); } to { box-shadow: 0 0 9px 2px rgba(245,165,36,.75); } }
.broker-overlay {
  position: absolute; inset: 34px 8px 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: rgba(11,14,20,.72); border-radius: 8px; text-align: center; padding: 10px; z-index: 2;
}
.broker-overlay .big { font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.broker-overlay .small { color: var(--text-2); font-size: 12px; max-width: 360px; }
.voter { font-size: 11px; color: var(--muted); }

/* ---------- groups ---------- */
.group .lag-big { font-family: var(--mono); font-size: 20px; font-weight: 700; }
.group .lag-big.bad { color: var(--warn); }
.group .lag-big.terrible { color: var(--err); }
.members { display: flex; flex-direction: column; gap: 5px; margin-top: 8px; }
.member {
  border: 1px solid var(--border); border-radius: 8px; padding: 5px 7px; background: var(--bg-2);
  display: grid; grid-template-columns: 1fr auto; gap: 2px 6px; align-items: center;
}
.member.ghost { border-style: dashed; border-color: rgba(249,115,22,.7); opacity: .85; }
.member.outside { border-style: dashed; border-color: var(--border-2); opacity: .75; }
.member.stuck { border-color: rgba(96,165,250,.8); background: rgba(96,165,250,.06); }
.member .mname { font-family: var(--mono); font-size: 12px; font-weight: 600; display: flex; gap: 6px; align-items: center; min-width: 0; }
.member .mname span.small { font-weight: 400; color: var(--muted); font-size: 11px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.member .mact { display: flex; gap: 1px; }
.member .massign { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 3px; align-items: center; }
.member .mstats { grid-column: 1 / -1; color: var(--muted); font-size: 11px; }
.achip { font: 600 10.5px/1 var(--mono); padding: 3px 5px; border-radius: 4px; color: #10131a; background: var(--c, var(--t-other)); }
.idle-note { color: var(--warn); font-size: 11px; }
.spark { width: 100%; height: 44px; display: block; margin-top: 6px; }
.top-list { font-size: 11.5px; color: var(--text-2); font-family: var(--mono); }

/* ---------- bottom ---------- */
.bottom { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 520px); gap: 16px; margin-top: 18px; }
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 10px 12px; min-width: 0; }
.subtabs { display: flex; gap: 4px; margin-bottom: 10px; border-bottom: 1px solid var(--border); }
.subtab { background: none; border: 0; border-bottom: 2px solid transparent; padding: 4px 10px 7px; cursor: pointer; color: var(--text-2); }
.subtab.active { color: var(--text); border-bottom-color: var(--accent); }
.sub-page { display: none; }
.sub-page.active { display: block; }

table.grid { width: 100%; border-collapse: collapse; font-size: 12px; }
table.grid.parts { table-layout: fixed; }
table.grid.parts td { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
table.grid th { text-align: left; color: var(--muted); font-weight: 500; padding: 4px 6px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.grid td { padding: 3px 6px; border-bottom: 1px solid rgba(37,48,72,.55); vertical-align: middle; }
table.grid td.num { font-family: var(--mono); text-align: right; white-space: nowrap; }
table.grid tr:hover td { background: rgba(122,162,247,.04); }
.topic-head { display: flex; align-items: center; gap: 10px; margin: 12px 0 4px; flex-wrap: wrap; }
.topic-head:first-child { margin-top: 0; }
.topic-head .tn { font-weight: 650; display: inline-flex; gap: 6px; align-items: center; }
.topic-head .tn i { width: 10px; height: 10px; border-radius: 3px; }
.topic-head .cfg { color: var(--muted); font-size: 11.5px; font-family: var(--mono); }
.rchip { font: 600 10.5px/1 var(--mono); padding: 2px 5px; border-radius: 4px; margin-right: 2px; border: 1px solid var(--border-2); color: var(--text-2); display: inline-block; }
.rchip.leader { background: var(--text); color: var(--bg); border-color: var(--text); }
.rchip.isr { border-color: rgba(34,197,94,.6); color: var(--ok); }
.rchip.out { border-color: rgba(239,68,68,.7); color: var(--err); border-style: dashed; }
.lagcell { display: flex; align-items: center; gap: 6px; min-width: 120px; }
.lagbar { flex: 1; height: 6px; background: var(--bg-2); border-radius: 3px; overflow: hidden; min-width: 40px; }
.lagbar i { display: block; height: 100%; background: var(--ok); border-radius: 3px; }
.lagbar i.mid { background: var(--warn); }
.lagbar i.high { background: var(--err); }
.lagnum { font-family: var(--mono); font-size: 11.5px; min-width: 52px; text-align: right; }
.owner { color: var(--muted); font-size: 11px; font-family: var(--mono); }

.charts { display: grid; grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)); gap: 12px; }
.chart { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
.chart h4 { margin: 0 0 4px; font-size: 12px; font-weight: 600; color: var(--text-2); }
.chart canvas { width: 100%; height: 150px; display: block; }
.chart .chart-legend { display: flex; flex-wrap: wrap; gap: 4px 10px; font-size: 11px; color: var(--muted); margin-top: 4px; }
.chart .chart-legend span { display: inline-flex; align-items: center; gap: 4px; }
.chart .chart-legend i { width: 10px; height: 3px; border-radius: 2px; }

.msg-toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 8px; }
.msg-table td.val { font-family: var(--mono); font-size: 11.5px; color: var(--text-2); max-width: 520px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.msg-table td.val:hover { white-space: normal; word-break: break-all; }
.hdrs { font-family: var(--mono); font-size: 10.5px; color: var(--muted); }
.produce-form { display: grid; grid-template-columns: auto 1fr auto 1fr; gap: 6px 8px; align-items: center; margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.produce-form textarea { grid-column: 2 / -1; min-height: 44px; }

/* ---------- events ---------- */
.events-head { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 8px; }
.events-filters { display: flex; gap: 4px; flex-wrap: wrap; }
#events-search { width: 120px; margin-left: auto; }
.events { max-height: 520px; overflow: auto; display: flex; flex-direction: column; gap: 3px; padding-right: 4px; }
.ev { display: grid; grid-template-columns: 58px 1fr; gap: 2px 8px; padding: 4px 6px; border-radius: 6px; border-left: 3px solid var(--border-2); background: var(--bg-2); font-size: 12px; }
.ev .t { font-family: var(--mono); color: var(--muted); font-size: 11px; padding-top: 1px; }
.ev .src { font-size: 10.5px; color: var(--muted); font-family: var(--mono); margin-right: 5px; }
.ev.info { border-left-color: var(--info); }
.ev.success { border-left-color: var(--ok); }
.ev.warn { border-left-color: var(--warn); }
.ev.error { border-left-color: var(--err); background: rgba(239,68,68,.06); }
.ev .why { margin-left: 4px; font-size: 11px; color: var(--accent); cursor: pointer; border: 0; background: none; padding: 0; text-decoration: underline dotted; }
.ev .explain { grid-column: 2; margin-top: 4px; padding: 6px 8px; background: var(--panel-2); border-radius: 6px; color: var(--text-2); font-size: 12px; }
.ev .explain b { color: var(--text); }
.ev.fresh { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: rgba(122,162,247,.25); } to { background: var(--bg-2); } }

/* ---------- demo bar (статическая копия на GitHub Pages) ---------- */
.demo-bar {
  background: linear-gradient(90deg, rgba(245,158,11,.10), rgba(122,162,247,.08));
  border: 1px solid rgba(245,158,11,.45); border-radius: var(--radius);
  padding: 8px 12px; margin-bottom: 14px; display: flex; flex-direction: column; gap: 7px;
}
.demo-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.demo-row code { background: var(--panel-2); border: 1px solid var(--border); padding: 0 5px; border-radius: 4px; }
.demo-clock { min-width: 96px; color: var(--text-2); }
.demo-progress { position: relative; flex: 1; min-width: 200px; height: 10px; background: var(--bg-2); border: 1px solid var(--border-2); border-radius: 5px; cursor: pointer; }
.demo-progress > i { position: absolute; left: 0; top: 0; bottom: 0; background: rgba(122,162,247,.5); border-radius: 5px; }
.demo-mark { position: absolute; top: -4px; width: 4px; height: 16px; margin-left: -2px; padding: 0; border: 0; border-radius: 2px; background: var(--warn); cursor: pointer; }
.demo-mark:hover { background: #fff; }
.demo-now { min-height: 38px; }
.demo-title { font-weight: 650; }
.demo-text { color: var(--text-2); font-size: 12.5px; }

/* ---------- drawer (scenarios) ---------- */
.drawer {
  width: 0; overflow: hidden; flex-shrink: 0;
  background: var(--panel); border-left: 1px solid var(--border);
  position: sticky; top: var(--topbar-h); height: calc(100vh - var(--topbar-h)); z-index: 10; /* above the map columns and the flow particles */
  display: flex; flex-direction: column; transition: width .2s;
}
.drawer.open { width: 430px; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.drawer-body { flex: 1; overflow: auto; padding: 12px 14px 30px; min-width: 430px; }
.sc-item { border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; margin-bottom: 8px; cursor: pointer; background: var(--bg-2); }
.sc-item:hover { border-color: var(--accent); }
.sc-item .sc-t { font-weight: 600; display: flex; gap: 6px; align-items: center; }
.sc-item .sc-d { color: var(--muted); font-size: 12px; margin-top: 2px; }
.sc-item.done .sc-t::after { content: "✓"; color: var(--ok); margin-left: auto; }
.lvl { font-size: 10px; padding: 0 6px; border-radius: 999px; border: 1px solid var(--border-2); color: var(--muted); }
.lvl.l1 { color: var(--ok); border-color: rgba(34,197,94,.4); }
.lvl.l2 { color: var(--warn); border-color: rgba(245,158,11,.45); }
.lvl.l3 { color: var(--err); border-color: rgba(239,68,68,.5); }
.sc-goal { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin-bottom: 10px; color: var(--text-2); }
.step { border: 1px solid var(--border); border-radius: 9px; padding: 9px 11px; margin-bottom: 8px; }
.step.current { border-color: var(--accent); background: rgba(122,162,247,.06); }
.step.past { opacity: .6; }
.step .sn { font-size: 11px; color: var(--muted); margin-bottom: 3px; }
.step .watch { margin-top: 6px; padding: 5px 8px; border-radius: 6px; background: rgba(245,158,11,.08); border: 1px dashed rgba(245,158,11,.4); color: #fcd34d; font-size: 12px; }
.step .actions { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 7px; }
.sc-nav { display: flex; gap: 8px; justify-content: space-between; margin-top: 10px; }
.sc-explain { border: 1px solid rgba(34,197,94,.4); background: rgba(34,197,94,.06); border-radius: 9px; padding: 10px 12px; margin-top: 10px; }
.sc-explain h4 { margin: 0 0 6px; color: var(--ok); }

/* ---------- docs ---------- */
.docs-layout { display: grid; grid-template-columns: 280px minmax(0, 1fr); gap: 24px; padding: 16px 24px 60px; max-width: 1400px; margin: 0 auto; }
.docs-nav { position: sticky; top: calc(var(--topbar-h) + 12px); align-self: start; max-height: calc(100vh - var(--topbar-h) - 26px); overflow: auto; }
.docs-nav input { width: 100%; margin-bottom: 10px; }
.doc-link { display: block; padding: 5px 9px; border-radius: 7px; color: var(--text-2); text-decoration: none; cursor: pointer; }
.doc-link:hover { background: var(--panel-2); color: var(--text); }
.doc-link.active { background: var(--panel-3); color: var(--text); }
.docs-toc { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; font-size: 12px; }
.docs-toc a { display: block; color: var(--muted); text-decoration: none; padding: 2px 0 2px 8px; }
.docs-toc a.h3 { padding-left: 20px; font-size: 11.5px; }
.docs-toc a:hover { color: var(--text); }
.doc { max-width: 900px; font-size: 14.5px; line-height: 1.65; }
.doc h1 { font-size: 26px; margin: 0 0 14px; }
.doc h2 { font-size: 20px; margin: 30px 0 10px; padding-top: 10px; border-top: 1px solid var(--border); }
.doc h3 { font-size: 16px; margin: 22px 0 8px; }
.doc h4 { font-size: 14.5px; margin: 16px 0 6px; color: var(--text-2); }
.doc p { margin: 8px 0; }
.doc code { background: var(--panel-2); border: 1px solid var(--border); padding: 0 5px; border-radius: 4px; font-size: 13px; }
.doc pre { background: #0a0d13; border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; overflow: auto; font-size: 12.5px; line-height: 1.5; }
.doc pre code { background: none; border: 0; padding: 0; }
.doc table { border-collapse: collapse; margin: 10px 0; font-size: 13px; width: 100%; }
.doc th, .doc td { border: 1px solid var(--border); padding: 5px 9px; text-align: left; vertical-align: top; }
.doc th { background: var(--panel-2); }
.doc blockquote { margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--accent); background: var(--panel); border-radius: 0 8px 8px 0; color: var(--text-2); }
.doc ul, .doc ol { padding-left: 24px; }
.doc li { margin: 3px 0; }
.doc hr { border: 0; border-top: 1px solid var(--border); margin: 24px 0; }
.doc mark { background: rgba(245,165,36,.35); color: inherit; border-radius: 3px; }
.doc .kw-tip { border-left-color: var(--ok); }
.doc .kw-warn { border-left-color: var(--warn); }

/* ---------- flashcards ---------- */
.cards-layout { max-width: 920px; margin: 0 auto; padding: 20px 24px 60px; }
.cards-top { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.cards-progress { display: flex; gap: 4px; flex: 1; min-width: 200px; height: 8px; border-radius: 4px; overflow: hidden; background: var(--panel-2); }
.cards-progress i { display: block; height: 100%; }
.flash { perspective: 1400px; cursor: pointer; user-select: none; }
.flash-inner { position: relative; min-height: 290px; transition: transform .45s; transform-style: preserve-3d; }
.flash.flipped .flash-inner { transform: rotateY(180deg); }
.flash-face {
  position: absolute; inset: 0; backface-visibility: hidden; border-radius: 14px; padding: 26px 30px;
  background: var(--panel); border: 1px solid var(--border-2); display: flex; flex-direction: column; justify-content: center;
}
.flash-face.back { transform: rotateY(180deg); background: var(--panel-2); justify-content: flex-start; overflow: auto; padding-top: 40px; }
.flash-face .cat { position: absolute; top: 12px; left: 16px; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.flash-face .q { font-size: 20px; font-weight: 600; text-align: center; line-height: 1.4; }
.flash-face .a { font-size: 15px; line-height: 1.6; margin-top: 18px; }
.flash-face .hint { position: absolute; bottom: 12px; left: 0; right: 0; text-align: center; color: var(--muted); font-size: 12px; }
.cards-actions { display: flex; gap: 10px; justify-content: center; margin-top: 16px; }
.cards-actions .btn { padding: 8px 18px; font-size: 14px; }
.cards-list { margin-top: 24px; }
.cards-list details { border: 1px solid var(--border); border-radius: 8px; padding: 7px 11px; margin-bottom: 6px; background: var(--panel); }
.cards-list summary { cursor: pointer; font-weight: 600; }
.cards-list .a { margin-top: 6px; color: var(--text-2); }

/* ---------- trace (correlation id) ---------- */
.btn-trace { border-color: rgba(122,162,247,.7); }
.bottom .panel { scroll-margin-top: 64px; } /* under the sticky header */
.btn-trace:hover { background: rgba(122,162,247,.15); }
.cid-link { font-family: var(--mono); color: var(--accent-2); text-decoration: none; border-bottom: 1px dotted var(--accent); cursor: pointer; }
.cid-link:hover { color: #fff; border-bottom-style: solid; }
.trace-input { width: 170px; }
.trace-live { color: var(--ok); }
.trace-layout { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 14px; margin-top: 8px; align-items: start; }
.trace-side { display: flex; flex-direction: column; gap: 10px; max-height: 560px; overflow: auto; }
.trace-list-title { font-size: 11px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin-bottom: 4px; }
.trace-row {
  display: grid; grid-template-columns: auto auto 1fr; gap: 2px 6px; align-items: center;
  padding: 4px 7px; border-radius: 7px; border: 1px solid transparent; color: var(--text); text-decoration: none; font-size: 12px;
}
.trace-row:hover { background: var(--panel-2); border-color: var(--border-2); }
.trace-row.active { background: var(--panel-3); border-color: var(--accent); }
.trace-row .bstate { justify-self: start; }
.trace-row-extra { grid-column: 1 / -1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.vdot { font-weight: 700; }
.vdot.v-ok, .verdict.v-ok { color: var(--ok); }
.vdot.v-warn, .verdict.v-warn { color: var(--warn); }
.vdot.v-err, .verdict.v-err { color: var(--err); }
.vdot.v-info, .verdict.v-info { color: var(--info); }
.vdot.v-muted, .verdict.v-muted { color: var(--muted); }
.verdict { font-weight: 700; font-size: 14px; padding: 3px 10px; border-radius: 999px; border: 1px solid currentColor; white-space: nowrap; }
.trace-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.trace-cid { font-size: 16px; font-weight: 700; }
.trace-explain { margin: 6px 0 8px; padding: 6px 10px; border-radius: 8px; background: var(--bg-2); border-left: 3px solid var(--border-2); color: var(--text-2); font-size: 12.5px; }
.trace-explain.v-ok { border-left-color: var(--ok); }
.trace-explain.v-warn { border-left-color: var(--warn); }
.trace-explain.v-err { border-left-color: var(--err); }
.trace-explain.v-info { border-left-color: var(--info); }
.bstate {
  display: inline-block; font-family: var(--mono); font-size: 10.5px; letter-spacing: .02em; padding: 0 6px; border-radius: 5px;
  background: var(--panel-2); border: 1px solid var(--border-2); color: var(--text-2); white-space: nowrap;
}
.trace-flow { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.bstate.flow { opacity: .45; }
.bstate.flow.reached { opacity: 1; color: var(--text); border-color: rgba(34,197,94,.55); }
.bstate.flow.current { background: rgba(34,197,94,.14); color: #bbf7d0; }
.bstate.flow.terminal { opacity: 1; color: #fecaca; border-color: var(--err); background: rgba(239,68,68,.14); }
.flow-arrow { color: var(--muted); }
.tstage-n { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.tstages { display: grid; grid-template-columns: repeat(auto-fit, minmax(112px, 1fr)); gap: 6px; }
.tstage {
  min-width: 0; border: 1px solid var(--border-2); border-radius: 10px; padding: 7px 9px;
  background: var(--bg-2); display: flex; flex-direction: column; gap: 3px;
}
.tstage-top { display: flex; gap: 6px; align-items: center; }
.tstage-count { font-family: var(--mono); font-size: 22px; font-weight: 700; line-height: 1.1; }
.tstage-status { font-size: 12px; font-weight: 600; }
.tstage-inst { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tstage.st-ok { border-color: rgba(34,197,94,.55); }
.tstage.st-ok .tstage-status, .tstage.st-ok .tstage-count { color: var(--ok); }
.tstage.st-duplicate { border-color: var(--warn); background: rgba(245,158,11,.10); }
.tstage.st-duplicate .tstage-status, .tstage.st-duplicate .tstage-count { color: var(--warn); }
.tstage.st-lost, .tstage.st-failed, .tstage.st-missing { border-color: var(--err); background: rgba(239,68,68,.08); }
.tstage.st-lost .tstage-status, .tstage.st-failed .tstage-status, .tstage.st-missing .tstage-status,
.tstage.st-lost .tstage-count, .tstage.st-failed .tstage-count, .tstage.st-missing .tstage-count { color: var(--err); }
.tstage.st-pending .tstage-count, .tstage.st-skipped .tstage-count { color: var(--muted); }
.tstage.st-skipped, .tstage.st-unverified { opacity: .6; border-style: dashed; }
.trace-table td { white-space: nowrap; }
.trace-table tr.dup td { background: rgba(245,158,11,.10); }
.trace-table tr.bad td { background: rgba(239,68,68,.10); }
.warn-text { color: var(--warn); }

/* ---------- footer ---------- */
.site-footer {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 6px 10px;
  padding: 14px 16px 18px; border-top: 1px solid var(--border);
  color: var(--muted); font-size: 12px;
}
.site-footer a { display: inline-flex; align-items: center; gap: 5px; color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--accent-2); text-decoration: underline; }
.site-footer .sep { color: var(--border-2); }

/* ---------- intro modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; z-index: 120;
  display: flex; align-items: center; justify-content: center; padding: 16px;
  background: rgba(5, 8, 12, .72); backdrop-filter: blur(3px);
  animation: fadein .18s ease-out;
}
.modal {
  position: relative; width: min(540px, 100%); max-height: calc(100vh - 32px); overflow: auto;
  background: var(--panel); border: 1px solid var(--border-2); border-radius: 14px;
  padding: 22px 24px 20px; box-shadow: 0 24px 64px rgba(0, 0, 0, .6);
  animation: popin .2s ease-out;
}
.modal-close { position: absolute; top: 10px; right: 10px; font-size: 14px; }
.modal-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; padding-right: 34px; color: var(--text); }
.modal-brand h2 { margin: 0; font-size: 20px; flex: 1; }
.modal-lead { font-size: 14.5px; line-height: 1.55; margin: 0 0 14px; }
.modal-points { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 8px; }
.modal-points li { background: var(--bg-2); border: 1px solid var(--border); border-radius: 9px; padding: 8px 11px; color: var(--text-2); }
.modal-points b { color: var(--text); font-weight: 600; }
.modal-demo {
  margin: 0 0 14px; padding: 8px 11px; border-radius: 8px; font-size: 12.5px; color: var(--text-2);
  background: rgba(245, 158, 11, .08); border: 1px dashed rgba(245, 158, 11, .45);
}
.modal-demo code { background: var(--panel-2); border: 1px solid var(--border); padding: 0 5px; border-radius: 4px; white-space: nowrap; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.modal-actions .btn { padding: 7px 14px; font-size: 13.5px; }
@keyframes fadein { from { opacity: 0; } to { opacity: 1; } }
@keyframes popin { from { transform: translateY(8px) scale(.98); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- overlays ---------- */
.tooltip {
  position: fixed; z-index: 100; pointer-events: none; max-width: 340px;
  background: #0a0d13; border: 1px solid var(--border-2); border-radius: 8px; padding: 7px 9px;
  font-size: 12px; color: var(--text); box-shadow: 0 8px 24px rgba(0,0,0,.5); display: none;
}
.tooltip .tt-title { font-weight: 650; margin-bottom: 3px; }
.tooltip .tt-row { color: var(--text-2); font-family: var(--mono); font-size: 11.5px; }
.popover {
  position: fixed; z-index: 90; display: none; width: 320px;
  background: var(--panel-2); border: 1px solid var(--border-2); border-radius: 10px; padding: 12px;
  box-shadow: 0 12px 32px rgba(0,0,0,.6);
}
.popover h4 { margin: 0 0 8px; }
.popover .hint { color: var(--muted); font-size: 11.5px; margin: 6px 0; }
.popover .row { display: grid; grid-template-columns: 90px 1fr 60px; gap: 8px; align-items: center; margin: 6px 0; font-size: 12px; }
.popover .row .val { font-family: var(--mono); text-align: right; }
.popover .btns { display: flex; gap: 8px; justify-content: flex-end; margin-top: 10px; flex-wrap: wrap; }
.toasts { position: fixed; right: 16px; bottom: 16px; z-index: 110; display: flex; flex-direction: column; gap: 8px; max-width: 420px; }
.toast { background: var(--panel-2); border: 1px solid var(--border-2); border-left: 3px solid var(--info); border-radius: 8px; padding: 8px 12px; box-shadow: 0 8px 24px rgba(0,0,0,.5); font-size: 12.5px; animation: slidein .2s; }
.toast.err { border-left-color: var(--err); }
.toast.ok { border-left-color: var(--ok); }
.toast code { background: var(--bg-2); border: 1px solid var(--border); padding: 0 5px; border-radius: 4px; white-space: nowrap; }
@keyframes slidein { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }

.muted { color: var(--muted); }
.small { font-size: 11.5px; }
.hidden { display: none !important; }
.nowrap { white-space: nowrap; }
.empty-state { color: var(--muted); padding: 14px; text-align: center; border: 1px dashed var(--border-2); border-radius: 9px; }

/* The live map follows the width it actually gets, not the window: the open Scenarios drawer takes 430px of it. */
@container (max-width: 1450px) {
  .live-grid { grid-template-columns: minmax(270px, 300px) minmax(440px, 1fr) minmax(310px, 360px); gap: 44px; }
}
@container (max-width: 1110px) {
  .live-grid { grid-template-columns: minmax(230px, 260px) minmax(360px, 1fr) minmax(260px, 300px); gap: 24px; }
  /* a narrow broker card: the badges and buttons wrap instead of squeezing "Broker N" to "B…" */
  .card.broker .card-head { flex-wrap: wrap; row-gap: 4px; }
  .card.broker .card-title { flex-shrink: 0; }
}
@container (max-width: 900px) {
  .live-grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  #flow { display: none; }
}
@media (max-width: 1500px) {
  .bottom { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 1150px) {
  .docs-layout { grid-template-columns: minmax(0, 1fr); }
  .docs-nav { position: static; max-height: none; }
  .drawer.open { width: 100vw; position: fixed; right: 0; z-index: 50; }
  .drawer-body { min-width: 0; }
  .health { display: none; }
}
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 8px 12px; padding: 8px 16px; }
  .top-actions { margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
  .tabs { order: 3; width: 100%; }
  .sub-page.active { overflow-x: auto; }
  table.grid.parts { min-width: 620px; }
  .trace-layout { grid-template-columns: minmax(0, 1fr); }
  .trace-side { max-height: none; }
  .live-main { padding-left: 12px; padding-right: 12px; }
  .tab-btn { flex: 1; padding: 5px 6px; }
  .docs-layout, .cards-layout { padding-left: 16px; padding-right: 16px; }
  .modal { padding: 18px 16px 16px; }
}
@media (prefers-reduced-motion: reduce) {
  .flash-inner { transition: none; }
  .pchip.hot { animation: none; }
  .modal-backdrop, .modal { animation: none; }
}