:root {
  --bg: #0b0f14;
  --panel: #121821;
  --panel-2: #1a2330;
  --border: #2a3545;
  --text: #e8eef7;
  --muted: #8b9bb0;
  --accent: #5b9dff;
  --accent-2: #7c5cff;
  --ok: #3dd68c;
  --warn: #f5a524;
  --err: #f31260;
  --product: #5b9dff;
  --company: #3dd68c;
  --person: #f5a524;
  --vc_firm: #c084fc;
  --font: "SF Pro Text", "PingFang SC", "Helvetica Neue", system-ui, sans-serif;
  --mono: "SF Mono", ui-monospace, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
}

#app {
  display: grid;
  grid-template-columns: 340px 1fr;
  height: 100vh;
}

#sidebar {
  background: linear-gradient(180deg, #0f1520 0%, var(--panel) 100%);
  border-right: 1px solid var(--border);
  overflow-y: auto;
  padding: 16px 14px 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.brand h1 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0.04em;
  background: linear-gradient(90deg, #fff, var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.brand p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.field-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  font-weight: 600;
}

.row { display: flex; gap: 6px; }

input[type="search"],
input[type="text"] {
  width: 100%;
  background: #0c1118;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 13px;
  outline: none;
}
input:focus { border-color: var(--accent); }

button {
  background: #243044;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover { background: #2d3c55; border-color: #3d516e; }
#path-run, #btn-reset {
  background: linear-gradient(135deg, #2a4a7a, #3a2f6b);
  border-color: #4a5f8a;
}
#path-run:hover, #btn-reset:hover { filter: brightness(1.1); }

.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #0c1118;
  font-size: 12px;
  cursor: pointer;
  user-select: none;
  color: var(--text);
}
.chip input { accent-color: var(--accent); margin: 0; }
.chip .dot {
  width: 8px; height: 8px; border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255,255,255,0.06);
}
.chip[data-type="product"] .dot { background: var(--product); }
.chip[data-type="company"] .dot { background: var(--company); }
.chip[data-type="person"] .dot { background: var(--person); }
.chip[data-type="vc_firm"] .dot { background: var(--vc_firm); }
.chip.off { opacity: 0.45; }

.hits {
  max-height: 140px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hit {
  text-align: left;
  background: transparent;
  border: none;
  border-radius: 6px;
  padding: 6px 8px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
}
.hit:hover { background: #243044; }
.hit .t { color: var(--muted); font-size: 11px; }

.detail {
  font-size: 13px;
  line-height: 1.5;
  min-height: 72px;
}
.detail.empty { color: var(--muted); }
.detail .name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.detail .meta { color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.detail .desc { color: #c9d4e3; margin-bottom: 8px; }
.detail .rels { display: flex; flex-direction: column; gap: 4px; max-height: 180px; overflow-y: auto; }
.detail .rel {
  background: #0c1118;
  border-radius: 6px;
  padding: 5px 7px;
  font-size: 11px;
  cursor: pointer;
  border: 1px solid transparent;
}
.detail .rel:hover { border-color: var(--border); }
.badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 10px;
  font-weight: 600;
  margin-right: 4px;
}
.badge.product { background: rgba(91,157,255,.2); color: var(--product); }
.badge.company { background: rgba(61,214,140,.2); color: var(--company); }
.badge.person { background: rgba(245,165,36,.2); color: var(--person); }
.badge.vc_firm { background: rgba(192,132,252,.2); color: var(--vc_firm); }

.stats-list { display: flex; flex-direction: column; gap: 3px; max-height: 220px; overflow-y: auto; }
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 5px 7px;
  border-radius: 6px;
  background: #0c1118;
  border: 1px solid transparent;
  font-size: 12px;
  cursor: default;
  text-align: left;
  width: 100%;
  color: inherit;
}
.stat-row.clickable { cursor: pointer; }
.stat-row.clickable:hover { border-color: var(--accent); background: #152033; }
.stat-row .val {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 11px;
  flex-shrink: 0;
}
.stat-row .left { display: flex; align-items: center; gap: 6px; min-width: 0; }
.stat-row .left span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.path-result {
  min-height: 28px;
  font-size: 12px;
  line-height: 1.45;
  color: var(--muted);
  word-break: break-all;
}
.path-result[data-bench-path-status="ok"] { color: var(--ok); }
.path-result[data-bench-path-status="unreachable"] { color: var(--warn); }
.path-result[data-bench-path-status="same"] { color: var(--warn); }
.path-result[data-bench-path-status="invalid"] { color: var(--err); }
.path-result .path-node {
  display: inline-block;
  background: rgba(91,157,255,.15);
  border: 1px solid rgba(91,157,255,.35);
  color: var(--text);
  border-radius: 4px;
  padding: 1px 5px;
  margin: 2px 2px;
  font-size: 11px;
  cursor: pointer;
}
.path-result .path-arrow { color: var(--muted); margin: 0 1px; }

#stage {
  position: relative;
  background:
    radial-gradient(1200px 800px at 70% 30%, rgba(91,157,255,.08), transparent 60%),
    radial-gradient(900px 700px at 20% 80%, rgba(124,92,255,.07), transparent 55%),
    var(--bg);
  overflow: hidden;
}
#graph {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
}
#graph.dragging { cursor: grabbing; }

#hud {
  position: absolute;
  left: 16px;
  bottom: 14px;
  display: flex;
  gap: 16px;
  align-items: center;
  font-size: 12px;
  color: var(--muted);
  pointer-events: none;
  background: rgba(12,17,24,.72);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  backdrop-filter: blur(8px);
}
#hud-counts { color: var(--text); }

#loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: rgba(11,15,20,.85);
  font-size: 14px;
  color: var(--muted);
  z-index: 5;
}
#loading.hidden { display: none; }

@media (max-width: 860px) {
  #app { grid-template-columns: 1fr; grid-template-rows: 42vh 1fr; }
  #sidebar { border-right: none; border-bottom: 1px solid var(--border); }
}