/* Minimal, clean, professional — no frameworks */
:root{
  --bg:#0b1020;
  --panel:#0f1730;
  --panel2:#0c1328;
  --text:#e7ebf5;
  --muted:#9aa6c3;
  --line:#233055;
  --ok:#22c55e;
  --warn:#fbbf24;
  --down:#ef4444;
  --info:#60a5fa;
  --neutral:#94a3b8;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: linear-gradient(180deg, var(--bg), #070a14);
  color: var(--text);
}

.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:18px 22px;
  border-bottom:1px solid var(--line);
  background: rgba(10,16,35,0.75);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand-title{ font-size:18px; font-weight:700; letter-spacing:0.2px; }
.brand-sub{ margin-top:6px; font-size:12px; color: var(--muted); display:flex; gap:10px; align-items:center; }
.muted{ color: var(--muted); font-size:12px; }

.layout{ display:flex; min-height: calc(100vh - 68px); }
.sidenav{
  width: 220px;
  padding: 14px 10px;
  border-right:1px solid var(--line);
  background: rgba(10,16,35,0.55);
}
.nav-item{
  display:block;
  padding:10px 12px;
  margin:4px 6px;
  border-radius:10px;
  color: var(--text);
  text-decoration:none;
  cursor:pointer;
  border:1px solid transparent;
}
.nav-item:hover{ background: rgba(255,255,255,0.04); border-color: rgba(255,255,255,0.06); }
.nav-item.active{ background: rgba(96,165,250,0.12); border-color: rgba(96,165,250,0.22); }

.nav-spacer{ height: 18px; }
.nav-foot{ padding: 8px 10px; color: var(--muted); }

.content{ flex:1; padding: 18px 18px 28px; }
.route{ max-width: 1200px; margin: 0 auto; }
.hidden{ display:none; }

.section-title{ font-size:14px; color: var(--muted); margin: 6px 0 12px; letter-spacing:0.3px; text-transform: uppercase; }
.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.card{
  background: rgba(15,23,48,0.78);
  border:1px solid rgba(255,255,255,0.06);
  border-radius:14px;
  padding: 14px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.35);
  min-height: 118px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.card-head{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
}
.card-title{ font-weight:700; font-size:14px; }
.card-sub{ color: var(--muted); font-size:12px; margin-top:2px; }
.card-body{ color: var(--muted); font-size:12px; line-height:1.45; min-height: 34px; }
.card-actions{ display:flex; flex-wrap:wrap; gap:8px; margin-top:auto; }

.badge{
  font-size:11px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  white-space:nowrap;
}
.badge.ok{ border-color: rgba(34,197,94,0.4); background: rgba(34,197,94,0.12); }
.badge.warn{ border-color: rgba(251,191,36,0.5); background: rgba(251,191,36,0.12); }
.badge.down{ border-color: rgba(239,68,68,0.5); background: rgba(239,68,68,0.12); }
.badge.info{ border-color: rgba(96,165,250,0.5); background: rgba(96,165,250,0.12); }
.badge.neutral{ border-color: rgba(148,163,184,0.4); background: rgba(148,163,184,0.10); color: var(--muted); }

.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 10px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
  color: var(--text);
  text-decoration:none;
  font-size:12px;
}
.btn:hover{ background: rgba(255,255,255,0.09); }
.btn.ghost{ background: transparent; }
.btn.small{ padding:6px 8px; border-radius:9px; }

.kv{
  display:grid;
  grid-template-columns: 180px 1fr;
  gap:8px 12px;
  padding: 12px 0;
}
.kv .k{ color: var(--muted); font-size:12px; }
.kv .v{ font-size:12px; color: var(--text); overflow-wrap:anywhere; }

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(15,23,48,0.55);
}
.table th,.table td{
  text-align:left;
  padding: 10px 12px;
  border-bottom:1px solid rgba(255,255,255,0.06);
  font-size:12px;
  color: var(--text);
}
.table th{ color: var(--muted); font-weight:600; background: rgba(255,255,255,0.03); }
.table tr:hover td{ background: rgba(255,255,255,0.03); }

.input{
  width: 100%;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  font-size:12px;
  outline: none;
}
.input::placeholder{ color: rgba(154,166,195,0.75); }
.row{ display:flex; gap:10px; align-items:center; }
.row > *{ flex:1; }