:root{
  --card:#fff;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f6f7fb;
  --accent:#2563eb;
}

/* ====== Layout cards / header ====== */
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;}
.head{padding:12px 14px;border-bottom:1px solid var(--line);display:flex;align-items:flex-start;justify-content:space-between;gap:10px;flex-wrap:wrap;}
.sub{color:var(--muted);font-size:12px;margin-top:4px;}
.toolbar{padding:10px 14px;border-bottom:1px solid var(--line);display:flex;gap:10px;flex-wrap:wrap;align-items:center;background:linear-gradient(180deg,#fff,#fbfbfd);}
.group{display:flex;gap:8px;flex-wrap:wrap;align-items:center;padding-right:10px;border-right:1px dashed var(--line);}
.group:last-child{border-right:none;padding-right:0;}
.badge{font-size:12px;color:var(--muted);border:1px solid var(--line);padding:3px 8px;border-radius:999px;}
.btn2{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;
  text-decoration:none;color:#111;
}
.btn2:hover{border-color:#cbd5e1;}
.btn2.primary{border-color:rgba(37,99,235,.35);box-shadow:0 0 0 4px rgba(37,99,235,.08);}
.btn2[disabled]{opacity:.55;cursor:not-allowed;}
.select2{padding:9px 10px;border:1px solid var(--line);border-radius:12px;background:#fff;}
.hint{margin-left:auto;color:var(--muted);font-size:12px;}

/* ====== Map ====== */
.wrap{padding:12px;background:var(--bg);}
.map-container{
  position:relative;height:720px;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  background:
    linear-gradient(#e9ecf5 1px, transparent 1px),
    linear-gradient(90deg,#e9ecf5 1px, transparent 1px),
    linear-gradient(#f1f3f9 1px, transparent 1px),
    linear-gradient(90deg,#f1f3f9 1px, transparent 1px);
  background-size: 80px 80px, 80px 80px, 20px 20px, 20px 20px;
}
.viewport{position:absolute;inset:0;overflow:hidden;}
.links{position:absolute;inset:0;width:100%;height:100%;z-index:1;pointer-events:none;}
.stage{position:absolute;inset:0;transform-origin:0 0;z-index:2;}

/* ====== Nodes ====== */
.node{
  position:absolute;width:72px;height:72px;border-radius:50%;background:#fff;
  display:flex;align-items:center;justify-content:center;
  cursor:grab;z-index:5;border:1px solid rgba(17,24,39,.12);
  transition: box-shadow .18s ease, transform .12s ease;
}
.node:active{cursor:grabbing;transform:scale(.98);}
.node i{font-size:28px;color:#111827;}

.node.up{ box-shadow: 0 0 0 6px rgba(34,197,94,.22), 0 0 26px rgba(34,197,94,.65); }
.node.warn{ box-shadow: 0 0 0 6px rgba(245,158,11,.22), 0 0 26px rgba(245,158,11,.70); }
.node.down{ box-shadow: 0 0 0 6px rgba(239,68,68,.22), 0 0 26px rgba(239,68,68,.75); }
.node.paused{ box-shadow: 0 0 0 6px rgba(148,163,184,.24), 0 0 26px rgba(148,163,184,.75); }
.node.unknown{ box-shadow: 0 0 0 6px rgba(156,163,175,.20), 0 0 26px rgba(156,163,175,.65); }

.label{
  position:absolute;top:76px;left:50%;transform:translateX(-50%);
  width:160px;text-align:center;font-size:12px;color:#111827;text-shadow:0 1px 0 #fff;
  pointer-events:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.label .sub{display:block;color:var(--muted);font-size:11px;margin-top:2px;}

/* ====== Minimap ====== */
.minimap{
  position:absolute;right:12px;bottom:12px;width:260px;height:170px;
  border:1px solid rgba(17,24,39,.14);
  border-radius:14px;background:rgba(255,255,255,.88);
  backdrop-filter: blur(6px);
  box-shadow: 0 10px 30px rgba(0,0,0,.08);
  overflow:hidden;z-index:50;
}
.minimap.hidden{display:none;}
.minimap-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:8px 10px;border-bottom:1px solid rgba(17,24,39,.10);
  font-size:12px;color:var(--muted);
}
.minimap svg{width:100%;height:calc(100% - 33px);display:block;}