:root {
  --bg: #0f1420;
  --panel: #161d2e;
  --panel-2: #1d2638;
  --text: #e6edf6;
  --muted: #8a96ad;
  --border: #2a3650;
  --accent: #4ea1ff;
  --product: #4ea1ff;
  --company: #46d39a;
  --person: #ffb454;
  --vc_firm: #c77dff;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 14px;
}

#app {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

#stage {
  position: relative;
  flex: 1 1 auto;
  min-width: 0;
  background:
    radial-gradient(circle at 30% 20%, #16203a 0%, #0f1420 60%);
}

#graph {
  display: block;
  width: 100%;
  height: 100%;
  cursor: grab;
}
#graph.dragging { cursor: grabbing; }

#legend {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(15, 20, 32, 0.78);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 12px;
}
#legend .lg { display: flex; align-items: center; gap: 6px; }
#legend .dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }

#hint {
  position: absolute;
  right: 14px;
  bottom: 14px;
  color: var(--muted);
  font-size: 12px;
  background: rgba(15, 20, 32, 0.6);
  padding: 6px 10px;
  border-radius: 6px;
}

#sidebar {
  flex: 0 0 360px;
  width: 360px;
  height: 100%;
  overflow-y: auto;
  background: var(--panel);
  border-left: 1px solid var(--border);
  padding: 12px;
}

.panel {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 12px;
}
.panel h2 { margin: 0 0 10px; font-size: 15px; }
.panel h3 { margin: 14px 0 6px; font-size: 13px; color: var(--accent); }

.muted { color: var(--muted); }
.small { font-size: 12px; }

.control-row { display: flex; gap: 8px; margin-bottom: 8px; }
.control-row:last-child { margin-bottom: 0; }

input[type="text"] {
  flex: 1 1 auto;
  min-width: 0;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 9px;
  font-size: 13px;
}
input[type="text"]:focus { outline: none; border-color: var(--accent); }

button {
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 7px 11px;
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
}
button:hover { border-color: var(--accent); color: var(--accent); }

.type-filters { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 8px; }
.type-filters button { padding: 5px 9px; font-size: 12px; }
.type-filters button.off { opacity: 0.4; text-decoration: line-through; }

#info-body .node-name { font-size: 17px; font-weight: 600; margin: 0 0 4px; }
#info-body .node-type {
  display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px;
  margin-bottom: 8px; color: #0f1420; font-weight: 600;
}
#info-body .kv { display: flex; gap: 8px; margin: 3px 0; font-size: 13px; }
#info-body .kv .k { color: var(--muted); flex: 0 0 78px; }
#info-body .desc { margin: 8px 0; line-height: 1.5; color: #cdd6e6; }
#info-body .aliases { color: var(--muted); font-size: 12px; }
#info-body .neighbors { margin-top: 10px; }
#info-body .neighbors h4 { margin: 6px 0; font-size: 13px; }
#info-body .neighbor {
  font-size: 12px; padding: 4px 7px; margin: 3px 0; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--border); cursor: pointer;
}
#info-body .neighbor:hover { border-color: var(--accent); }
#info-body .neighbor .rel { color: var(--muted); }

.path-result { margin-top: 8px; min-height: 20px; }
.path-result .status { font-size: 12px; padding: 4px 0; }
.path-result .status.ok { color: var(--company); }
.path-result .status.unreachable,
.path-result .status.same,
.path-result .status.invalid { color: #ff7a7a; }
.path-result .path-nodes { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin-top: 6px; }
.path-result .pnode {
  font-size: 12px; padding: 3px 7px; border-radius: 6px;
  background: var(--bg); border: 1px solid var(--accent); color: var(--accent);
}
.path-result .arrow { color: var(--muted); }

.stats-list { margin: 0; padding-left: 22px; }
.stats-list li {
  margin: 4px 0; cursor: pointer; display: flex; justify-content: space-between; gap: 8px;
}
.stats-list li:hover { color: var(--accent); }
.stats-list li .deg { color: var(--person); font-variant-numeric: tabular-nums; }

.stats-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.stats-grid .cell {
  display: flex; justify-content: space-between; gap: 6px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px; font-size: 12px; cursor: pointer;
}
.stats-grid .cell:hover { border-color: var(--accent); }
.stats-grid .cell .cnt { color: var(--person); font-variant-numeric: tabular-nums; }
.stats-grid .cell .tname { display: flex; align-items: center; gap: 6px; }
.stats-grid .cell .dot { width: 9px; height: 9px; border-radius: 50%; }