:root {
  --bg: #0b1119;
  --bg-a: rgba(79, 114, 153, 0.42);
  --bg-b: rgba(46, 74, 110, 0.5);
  --bg-c: rgba(143, 179, 220, 0.12);
  --glass: rgba(170, 196, 228, 0.055);
  --glass-hi: rgba(170, 196, 228, 0.1);
  --glass-line: rgba(190, 214, 242, 0.13);
  --glass-sheen: rgba(255, 255, 255, 0.07);
  --hair: rgba(190, 214, 242, 0.09);
  --ink: #e4ebf3;
  --muted: #8d9db1;
  --faint: #5f7088;
  --steel: #8fb3dc;
  --steel-hi: #cfe0f3;
  --steel-lo: #4f7299;
  --ok: #86c5a9;
  --warn: #d8b878;
  --bad: #e39595;
  --unk: #a9b6c6;
  --field: rgba(9, 15, 24, 0.45);
  --shadow: 0 10px 40px rgba(2, 6, 12, 0.45);
  --sans: "IBM Plex Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #e6ecf3;
    --bg-a: rgba(143, 179, 220, 0.55);
    --bg-b: rgba(184, 204, 228, 0.7);
    --bg-c: rgba(79, 114, 153, 0.18);
    --glass: rgba(255, 255, 255, 0.5);
    --glass-hi: rgba(255, 255, 255, 0.72);
    --glass-line: rgba(255, 255, 255, 0.75);
    --glass-sheen: rgba(255, 255, 255, 0.6);
    --hair: rgba(40, 70, 110, 0.1);
    --ink: #142233;
    --muted: #55677d;
    --faint: #8494a8;
    --steel: #3e6894;
    --steel-hi: #7aa2cf;
    --steel-lo: #2b4b6e;
    --ok: #2d7d5a;
    --warn: #8a6516;
    --bad: #a63c3c;
    --unk: #5d6b7c;
    --field: rgba(255, 255, 255, 0.6);
    --shadow: 0 10px 34px rgba(40, 70, 110, 0.12);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.55 var(--sans);
  max-width: 1240px;
  margin: 0 auto;
  padding: 16px 16px 40px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60vw 50vh at 8% -5%, var(--bg-a), transparent 70%),
    radial-gradient(55vw 60vh at 100% 35%, var(--bg-b), transparent 70%),
    radial-gradient(40vw 40vh at 30% 110%, var(--bg-c), transparent 70%),
    var(--bg);
}
a { color: var(--steel); text-decoration: none; }
a:hover { color: var(--steel-hi); }
code, .mono { font-family: var(--mono); font-size: 0.86em; }
code { background: var(--glass-hi); border: 1px solid var(--hair); padding: 0 5px; border-radius: 5px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h2 { font-size: 19px; line-height: 1.3; }
h3 { font-size: 14px; margin: 26px 0 8px; }
.muted { color: var(--muted); }
.pad { padding: 14px 18px; margin: 0; }
button, select, input, textarea { font: inherit; color: inherit; }

.glass {
  background: var(--glass);
  border: 1px solid var(--glass-line);
  border-radius: 14px;
  box-shadow: inset 0 1px 0 var(--glass-sheen), var(--shadow);
  backdrop-filter: blur(22px) saturate(150%);
  -webkit-backdrop-filter: blur(22px) saturate(150%);
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 20px;
  padding: 8px 10px 8px 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 12px;
  z-index: 5;
}
.brand { display: flex; align-items: center; gap: 9px; color: var(--ink); font-weight: 600; font-size: 16px; }
.brand:hover { color: var(--ink); }
.tabs { display: flex; gap: 2px; padding: 3px; background: var(--field); border: 1px solid var(--hair); border-radius: 10px; overflow-x: auto; max-width: 100%; }
.tabs button {
  background: none; border: 0; border-radius: 7px; padding: 6px 13px; cursor: pointer;
  color: var(--muted); white-space: nowrap; font-size: 14px;
}
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: var(--glass-hi); color: var(--ink); box-shadow: inset 0 1px 0 var(--glass-sheen); }
.engine { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--muted); padding-right: 6px; }
.engine .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--warn); box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 18%, transparent); }
.engine.ready .dot { background: var(--ok); box-shadow: 0 0 0 3px color-mix(in srgb, var(--ok) 18%, transparent); }
.engine.error .dot { background: var(--bad); }

.lede { padding: 44px 4px 26px; max-width: 860px; }
.lede h1 { font-size: clamp(26px, 4vw, 38px); line-height: 1.15; font-weight: 500; letter-spacing: -0.02em; }
.summary { color: var(--muted); font-size: 16px; margin: 14px 0 0; max-width: 760px; }
.summary b { color: var(--steel-hi); font-weight: 500; font-variant-numeric: tabular-nums; }
@media (prefers-color-scheme: light) { .summary b { color: var(--steel); } }

.searchbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 8px; margin-bottom: 14px; }
.searchbar input[type="search"] {
  flex: 1 1 280px; min-width: 0; background: var(--field); border: 1px solid var(--hair); border-radius: 9px;
  padding: 9px 12px; outline: none;
}
.searchbar input[type="search"]:focus, select:focus, textarea:focus { border-color: var(--steel-lo); box-shadow: 0 0 0 3px color-mix(in srgb, var(--steel) 20%, transparent); outline: none; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
select {
  appearance: none; -webkit-appearance: none; background: var(--field); border: 1px solid var(--hair); border-radius: 9px;
  padding: 8px 30px 8px 11px; font-size: 14px; max-width: 100%; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 15px) 52%, calc(100% - 10px) 52%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.switch { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; padding: 0 8px; cursor: pointer; white-space: nowrap; color: var(--muted); }
.switch input { position: absolute; opacity: 0; pointer-events: none; }
.switch span { width: 30px; height: 18px; border-radius: 9px; background: var(--field); border: 1px solid var(--glass-line); position: relative; transition: background .15s; }
.switch span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--muted); transition: transform .15s, background .15s; }
.switch input:checked + span { background: color-mix(in srgb, var(--steel) 35%, transparent); }
.switch input:checked + span::after { transform: translateX(12px); background: var(--steel-hi); }
.switch:has(input:checked) { color: var(--ink); }
.switch input:focus-visible + span { box-shadow: 0 0 0 3px color-mix(in srgb, var(--steel) 30%, transparent); }

button.primary {
  background: linear-gradient(180deg, color-mix(in srgb, var(--steel) 85%, white), var(--steel-lo));
  color: #fff; border: 1px solid color-mix(in srgb, var(--steel) 60%, transparent); border-radius: 9px;
  padding: 8px 16px; cursor: pointer; font-weight: 500; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .25);
}
button.chip {
  background: var(--field); border: 1px solid var(--hair); border-radius: 8px; padding: 5px 11px;
  cursor: pointer; font-size: 13.5px; color: var(--muted);
}
button.chip:hover { color: var(--ink); border-color: var(--glass-line); }

.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 14px; align-items: start; }
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }

.results { padding: 4px; overflow: hidden; }
.item {
  display: block; width: 100%; text-align: left; background: none; border: 0; border-radius: 10px;
  padding: 12px 14px; cursor: pointer; color: inherit;
}
.item + .item { box-shadow: 0 -1px 0 var(--hair); }
.item:hover { background: var(--glass-hi); }
.item.active { background: var(--glass-hi); box-shadow: inset 2px 0 0 var(--steel); }
.item .name { font-weight: 500; line-height: 1.35; }
.item .meta { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: 5px; font-size: 13px; color: var(--muted); }
.item .hint { margin-top: 5px; font-size: 12.5px; color: var(--muted); }
.item .hint .mono { color: var(--steel); }
.item .hint.ok { color: var(--ok); }

.status { display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.s-yes { color: var(--ok); }
.s-likely { color: var(--warn); }
.s-unknown { color: var(--unk); }
.s-no { color: var(--bad); }

.detail { padding: 22px 24px; position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; }
@media (max-width: 880px) { .detail { position: static; max-height: none; } }
.detail .id { font-family: var(--mono); font-size: 12px; color: var(--faint); word-break: break-all; margin-top: 4px; }
.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px 18px; margin: 18px 0 6px; padding: 14px 0; border-top: 1px solid var(--hair); border-bottom: 1px solid var(--hair); }
.facts dt { font-size: 12px; color: var(--faint); }
.facts dd { margin: 2px 0 0; font-size: 14px; }
.empty p { color: var(--muted); }
.starters { list-style: none; padding: 0; margin: 10px 0 0; }
.starters li { display: flex; flex-direction: column; padding: 9px 0; border-top: 1px solid var(--hair); }
.starters span { font-size: 13px; color: var(--faint); }
.desc { color: var(--muted); font-size: 14px; }

.callout { display: grid; grid-template-columns: 74px 1fr; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--hair); font-size: 14px; }
.callout:first-of-type { border-top: 1px solid var(--hair); }
.callout .tag { font-size: 12px; color: var(--warn); padding-top: 1px; }
.callout.note .tag { color: var(--steel); }
.callout .who { font-size: 12.5px; color: var(--faint); margin-top: 3px; }
.callouts { margin-top: 16px; }

.tablewrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--hair); vertical-align: top; }
th { font-size: 12px; color: var(--faint); font-weight: 500; }
td.num, th.num { font-variant-numeric: tabular-nums; text-align: right; }
tr.click { cursor: pointer; }
tr.click:hover td { background: var(--glass-hi); }
.flag { color: var(--bad); font-size: 12.5px; white-space: nowrap; }
.sub { font-size: 12.5px; color: var(--faint); }

.graph { width: 100%; height: auto; display: block; background: var(--field); border: 1px solid var(--hair); border-radius: 12px; margin-top: 4px; }
.graph text { font: 11.5px var(--sans); fill: var(--ink); }
.graph .lbl { fill: var(--faint); font-size: 10.5px; }
.graph .edge { fill: none; stroke: var(--steel-lo); stroke-width: 1.3; }
.graph .edge.join { stroke: var(--ok); stroke-dasharray: 4 3; }
.graph .node { cursor: pointer; }
.graph .node rect { fill: var(--glass-hi); stroke-width: 1.2; }
.graph .node:hover rect { stroke: var(--steel-hi); }
.graph .center rect { fill: color-mix(in srgb, var(--steel) 20%, transparent); }
.legend { display: flex; flex-wrap: wrap; gap: 4px 16px; font-size: 12px; color: var(--faint); margin-top: 8px; }
.legend .j { color: var(--ok); }

.bar { height: 6px; background: var(--field); border-radius: 3px; overflow: hidden; min-width: 90px; position: relative; margin-top: 7px; }
.bar i { position: absolute; inset: 0 auto 0 0; background: var(--bad); opacity: .7; }
.bar b { position: absolute; inset: 0 auto 0 0; background: var(--steel); }

.intro { margin: 4px 4px 16px; max-width: 780px; }
.intro p { color: var(--muted); margin: 6px 0 0; }
.group { padding: 4px 18px 12px; margin-bottom: 12px; }
.group summary { cursor: pointer; padding: 12px 0; list-style: none; display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; }
.group summary::-webkit-details-marker { display: none; }
.group summary .n { font-size: 22px; font-weight: 500; font-variant-numeric: tabular-nums; color: var(--steel-hi); min-width: 46px; }
@media (prefers-color-scheme: light) { .group summary .n { color: var(--steel); } }
.panel { padding: 6px 18px 14px; margin-bottom: 14px; }
.panel > h3:first-child { margin-top: 12px; }
.note-text { color: var(--muted); font-size: 14px; }

.console { padding: 12px; }
.examples { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
textarea {
  width: 100%; font-family: var(--mono); font-size: 13px; resize: vertical; background: var(--field);
  border: 1px solid var(--hair); border-radius: 9px; padding: 10px 12px; line-height: 1.5;
}
.row { display: flex; gap: 12px; align-items: center; margin-top: 10px; flex-wrap: wrap; font-size: 13px; }
#cypher-out { margin-top: 14px; }
#cypher-out .tablewrap { padding: 4px 8px; }
pre.err { color: var(--bad); background: color-mix(in srgb, var(--bad) 10%, transparent); padding: 12px; border-radius: 10px; white-space: pre-wrap; font-size: 13px; margin: 0; }

.querylog { margin-top: 18px; padding: 12px 16px; }
.querylog summary { cursor: pointer; font-size: 14px; }
.querylog pre { background: var(--field); border: 1px solid var(--hair); padding: 10px 12px; border-radius: 9px; overflow-x: auto; font: 12.5px/1.5 var(--mono); margin: 12px 0 4px; }
.querylog .qmeta { font-size: 12px; color: var(--faint); }

footer { margin-top: 36px; padding: 16px 4px 0; border-top: 1px solid var(--hair); font-size: 13px; color: var(--faint); display: flex; flex-direction: column; gap: 4px; }