:root {
  --bg: #0a0c10; --bg-card: #12151c; --bg-card-hover: #181c25;
  --bg-overlay: rgba(10,12,16,0.85); --bg-panel: #0f1118;
  --border: #1e2330; --border-glow: #2a3040;
  --text: #e2e8f0; --text2: #7a8599; --text3: #4a5568;
  --green: #22c55e; --green-d: rgba(34,197,94,0.12);
  --red: #ef4444; --red-d: rgba(239,68,68,0.12);
  --amber: #f59e0b; --amber-d: rgba(245,158,11,0.12);
  --blue: #3b82f6; --blue-d: rgba(59,130,246,0.12);
  --purple: #a855f7; --purple-d: rgba(168,85,247,0.12);
  --cyan: #06b6d4; --cyan-d: rgba(6,182,212,0.12);
  --font: 'Outfit', sans-serif; --mono: 'JetBrains Mono', monospace;
  --radius: 12px;
}
* { box-sizing:border-box; }
html,body { margin:0; padding:0; background:var(--bg); color:var(--text); font-family:var(--font); min-height:100vh; }
body::before { content:''; position:fixed; inset:0; background-image:
  linear-gradient(rgba(30,35,48,0.24) 1px,transparent 1px),
  linear-gradient(90deg,rgba(30,35,48,0.24) 1px,transparent 1px);
  background-size:32px 32px; pointer-events:none; z-index:0; }
.container { position:relative; z-index:1; max-width:1440px; margin:0 auto; padding:28px 20px 40px; }
.header, .toolbar, .sys-bar, .panel, .cluster-card, .child-card, .modal-inner {
  background:linear-gradient(180deg, rgba(18,21,28,0.95), rgba(15,17,24,0.98));
  border:1px solid var(--border);
  box-shadow:0 20px 60px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.02);
}
.header { display:flex; align-items:center; justify-content:space-between; padding:18px 20px; border-radius:18px; }
.header-left { display:flex; align-items:center; gap:14px; }
.app-logo { width:44px; height:44px; border-radius:12px; }
h1 { font-size:28px; margin:0; letter-spacing:0.2px; }
h1 span { color:var(--cyan); }
.appver { font-size:12px; color:var(--text2); background:rgba(6,182,212,0.1); border:1px solid rgba(6,182,212,0.22); padding:4px 8px; border-radius:999px; vertical-align:middle; margin-left:8px; }
.header-right { display:flex; align-items:center; gap:12px; color:var(--text2); font-family:var(--mono); font-size:12px; }
.pulse-dot { display:inline-block; width:8px; height:8px; margin-right:6px; border-radius:50%; background:var(--green); box-shadow:0 0 0 6px rgba(34,197,94,0.12); }
.toolbar { margin-top:16px; padding:14px 16px; border-radius:16px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.nav { display:flex; gap:8px; }
.nav-btn, .ebtn {
  appearance:none; border:1px solid var(--border-glow); background:#11151d; color:var(--text);
  border-radius:10px; padding:10px 14px; cursor:pointer; font-weight:600; font-family:var(--font);
}
.nav-btn.active { background:rgba(6,182,212,0.12); border-color:rgba(6,182,212,0.3); }
.toolbar-actions { display:flex; gap:8px; flex-wrap:wrap; }
.ebtn { text-decoration:none; display:inline-flex; align-items:center; justify-content:center; }
.ebtn:hover { background:#181e28; }
.ebtn:disabled { opacity:.55; cursor:wait; }
.nav-btn:hover { background:#181e28; }
.ebtn.save { background:rgba(34,197,94,0.12); border-color:rgba(34,197,94,0.28); }
.sys-bar { margin-top:16px; border-radius:16px; padding:14px; display:grid; grid-template-columns:repeat(6,minmax(0,1fr)); gap:12px; }
.stat-chip { background:#0f141c; border:1px solid var(--border); border-radius:12px; padding:12px 14px; min-height:74px; }
.stat-chip .label { display:block; color:var(--text2); font-size:12px; margin-bottom:4px; }
.stat-chip .value { font-family:var(--mono); font-weight:700; }
.stat-chip .value.ok { color:var(--green); }
.stat-chip .value.warn { color:var(--amber); }
.panel { margin-top:16px; border-radius:18px; padding:18px; }
.panel-header { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px; }
.form-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px; }
.field { display:flex; flex-direction:column; gap:8px; }
.field.full { margin-top:14px; }
label { color:var(--text2); font-size:12px; font-weight:600; }
input, textarea {
  width:100%; border-radius:10px; border:1px solid var(--border); background:#0d1117; color:var(--text);
  padding:12px 12px; font-family:var(--mono); font-size:12px;
}
textarea { resize:vertical; min-height:120px; }
.hint { color:var(--text3); font-size:11px; margin-top:6px; }
.checkbox { justify-content:flex-end; }
.checkbox label { display:flex; align-items:center; gap:8px; color:var(--text); }
.cluster-wrap { margin-top:18px; }
.cluster-card { border-radius:20px; padding:18px; }
.cluster-head { display:flex; justify-content:space-between; gap:12px; align-items:flex-start; margin-bottom:18px; }
.eyebrow { text-transform:uppercase; letter-spacing:1.2px; font-size:11px; color:var(--text3); margin-bottom:6px; }
.cluster-head h2 { margin:0; font-size:24px; }
.subline { color:var(--text2); font-size:13px; margin-top:6px; }
.child-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(330px,1fr)); gap:14px; }
.child-card { border-radius:18px; padding:16px; transition:transform .18s ease, border-color .18s ease, background .18s ease; }
.child-card:hover { transform:translateY(-1px); border-color:rgba(6,182,212,0.25); background:var(--bg-card-hover); }
.child-card.is-running { border-color:rgba(34,197,94,0.18); }
.child-top { display:flex; align-items:flex-start; justify-content:space-between; gap:10px; }
.child-title { font-size:20px; margin:0; }
.child-meta { color:var(--text2); font-size:12px; margin-top:4px; font-family:var(--mono); }
.badge {
  border-radius:999px; font-size:11px; padding:6px 9px; border:1px solid var(--border); font-family:var(--mono);
}
.badge.ok { color:var(--green); background:var(--green-d); border-color:rgba(34,197,94,0.28); }
.badge.bad { color:var(--red); background:var(--red-d); border-color:rgba(239,68,68,0.25); }
.metrics { display:flex; gap:8px; flex-wrap:wrap; margin-top:14px; }
.metrics-top { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); }
.metrics-bottom { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); }
.metric { background:#0f141c; border:1px solid var(--border); border-radius:12px; padding:9px 10px; min-width:90px; }
.metric.wide { min-width:0; }
.metric .k { color:var(--text3); font-size:10px; text-transform:uppercase; letter-spacing:1px; }
.metric .v { margin-top:4px; font-family:var(--mono); font-size:12px; word-break:break-word; }
.server-note { margin-top:10px; color:var(--text2); font-size:12px; font-family:var(--mono); }
.actions { margin-top:16px; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:8px; }
.actions .ebtn { width:100%; padding:11px 10px; font-size:12px; }
.actions .wide { grid-column:span 2; }
.empty-state { border:1px dashed var(--border-glow); border-radius:16px; color:var(--text2); padding:24px; text-align:center; }
.toast {
  position:fixed; right:18px; bottom:18px; background:#10151d; border:1px solid var(--border); color:var(--text);
  min-width:280px; max-width:520px; padding:14px 16px; border-radius:14px; box-shadow:0 12px 42px rgba(0,0,0,0.35);
  opacity:0; transform:translateY(8px); pointer-events:none; transition:all .22s ease; z-index:9999; white-space:pre-wrap;
}
.toast.show { opacity:1; transform:translateY(0); }
.toast.ok { border-color:rgba(34,197,94,0.32); }
.toast.error { border-color:rgba(239,68,68,0.32); }
.modal[hidden] { display:none; }
.modal { position:fixed; inset:0; background:var(--bg-overlay); display:flex; align-items:center; justify-content:center; padding:20px; z-index:9990; }
.modal-inner { width:min(640px,100%); border-radius:18px; overflow:hidden; }
.modal-hdr { display:flex; align-items:center; justify-content:space-between; padding:14px 16px; border-bottom:1px solid var(--border); }
.modal-title { font-size:18px; font-weight:700; }
.xbtn { background:none; color:var(--text2); border:none; font-size:22px; cursor:pointer; }
.modal-body { padding:16px; }
.modal-actions { display:flex; justify-content:flex-end; gap:8px; margin-top:14px; }
@media (max-width: 1100px) {
  .sys-bar { grid-template-columns:repeat(3,minmax(0,1fr)); }
  .metrics-top { grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width: 900px) {
  .form-grid, .metrics-bottom { grid-template-columns:1fr; }
  .header, .toolbar, .cluster-head { flex-direction:column; align-items:flex-start; }
  .toolbar-actions { width:100%; }
}
@media (max-width: 680px) {
  .sys-bar, .metrics-top, .actions { grid-template-columns:1fr; }
  .actions .wide { grid-column:span 1; }
}

body.waiting{cursor:progress;}
.ebtn.busy,.ebtn:disabled{opacity:.65;cursor:progress;pointer-events:none;}