:root {
  --bg: #05110d;
  --bg2: #071a14;
  --card: rgba(9, 35, 27, 0.78);
  --line: rgba(36, 255, 180, 0.24);
  --line-strong: rgba(36, 255, 180, 0.52);
  --text: #d7ffea;
  --muted: #8fd3b7;
  --accent: #00f5b4;
  --warn: #f4c35c;
  --bad: #ff6a6a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--text);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(900px 400px at 15% -10%, rgba(0, 255, 170, 0.16), transparent), linear-gradient(180deg, var(--bg), var(--bg2));
}
.bg-grid {
  pointer-events: none;
  position: fixed; inset: 0;
  background-image: linear-gradient(rgba(0,255,170,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(0,255,170,.06) 1px, transparent 1px);
  background-size: 30px 30px;
  opacity: .28;
}
.scanline {
  pointer-events: none;
  position: fixed; inset: 0;
  background: linear-gradient(to bottom, transparent 0%, rgba(255,255,255,.02) 50%, transparent 100%);
  background-size: 100% 4px;
  mix-blend-mode: screen;
  opacity: .45;
}
.app { position: relative; z-index: 1; display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; transition: grid-template-columns .2s ease; }
.app.sidebar-collapsed { grid-template-columns: 74px 1fr; }
.sidebar {
  border-right: 1px solid var(--line);
  background: rgba(3, 20, 15, 0.82);
  backdrop-filter: blur(8px);
  padding: 12px 10px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}
.side-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px;margin-bottom:8px}
.brand { font-weight: 800; font-size: 18px; letter-spacing: .3px; }
.sub { color: var(--muted); font-size: 12px; margin: 6px 0 8px; }
.mini-btn{cursor:pointer;border:1px solid var(--line);background:rgba(18,70,54,.4);color:var(--text);border-radius:8px;padding:4px 8px;z-index:3}
.fab-expand{position:fixed;left:10px;bottom:14px;z-index:20;border:1px solid var(--line-strong);background:rgba(10,45,34,.92);color:var(--text);border-radius:10px;padding:8px 11px;cursor:pointer;box-shadow:0 0 0 1px rgba(0,245,180,.2)}
.fab-expand.hidden{display:none}
.app.sidebar-collapsed .brand,.app.sidebar-collapsed .sub,.app.sidebar-collapsed .foot{display:none}
.app.sidebar-collapsed .side-top{justify-content:center}
.app.sidebar-collapsed .mini-btn{padding:5px 9px}
.app.sidebar-collapsed .nav{padding:10px 0;justify-content:center}
.app.sidebar-collapsed .nav-text{display:none}
.app.sidebar-collapsed .nav-icon{width:auto;font-size:16px}
.nav {
  width: 100%; text-align: left; cursor: pointer;
  color: var(--text); background: transparent;
  border: 1px solid transparent; border-radius: 10px;
  padding: 10px 12px; margin: 6px 0;
  display: flex; align-items: center; gap: 10px;
  transition: all .18s ease;
}
.nav-icon{display:inline-flex;width:18px;justify-content:center;opacity:.95}
.nav-text{display:inline-block;white-space:nowrap}
.nav:hover, .nav.active { border-color: var(--line); background: rgba(18, 70, 54, 0.4); }
.nav.active{box-shadow: inset 0 0 0 1px rgba(0,245,180,.22)}
.foot { margin-top: 16px; color: var(--muted); font-size: 11px; }
.main { padding: 18px; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
h1 { margin: 0; font-size: 24px; }
.pill { border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; font-size: 12px; background: rgba(20, 74, 58, .35); }

.sys-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.sys-card {
  border: 1px solid var(--line); border-radius: 12px; padding: 10px;
  background: var(--card);
}
.sys-title { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.sys-val { font-size: 20px; font-weight: 750; margin-top: 4px; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.dot.ok { background: var(--accent); box-shadow: 0 0 10px rgba(0,245,180,.8); }
.dot.warn { background: var(--warn); }
.dot.bad { background: var(--bad); }

.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 10px; }
.card { border: 1px solid var(--line); border-radius: 12px; padding: 12px; background: var(--card); }
.label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .6px; }
.value { font-size: 30px; font-weight: 800; margin-top: 3px; }
.hint { font-size: 12px; color: var(--muted); }
.bar { margin-top: 8px; height: 8px; border-radius: 999px; overflow: hidden; background: rgba(42, 112, 84, .45); }
.fill { height: 100%; background: linear-gradient(90deg, #00f5b4, #2bd2ff); width: 0; transition: width .3s ease; }

.split-2 { display: grid; grid-template-columns: 1.3fr 1fr; gap: 10px; margin-top: 10px; }
.panel { min-height: 260px; }
.panel-title { font-weight: 700; margin-bottom: 8px; }
.stack { display: grid; gap: 8px; }
.item {
  border: 1px solid rgba(36,255,180,.18);
  border-radius: 10px;
  padding: 9px 10px;
  display: flex; justify-content: space-between; align-items: center;
  background: rgba(12, 45, 35, .45);
}
.mono {
  margin: 0;
  white-space: pre-wrap;
  font: 12px/1.4 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color: #bafadf;
  max-height: 380px;
  overflow: auto;
}
.settings-grid { display:grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap:10px; }
.hidden { display: none; }

@media (max-width: 1200px) {
  .sys-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (max-width: 980px) {
  .app { grid-template-columns: 74px 1fr; }
  .brand,.sub,.foot,.nav-text{display:none}
  .side-top{justify-content:center}
  .nav{padding:10px 0;justify-content:center}
  .nav-icon{width:auto;font-size:16px}
  .kpi-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .split-2 { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}