:root {
  --bg-main: #0b0e14;
  --bg-card: #151921;
  --border: #232a36;
  --text-main: #e2e8f0;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --green: #22c55e;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, monospace; background: var(--bg-main); color: var(--text-main); height: 100vh; overflow: hidden; }

.layout { display: flex; height: 100vh; }
.sidebar { width: 240px; background: #0f1219; border-right: 1px solid var(--border); padding: 24px; display: flex; flex-direction: column; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 15px; margin-bottom: 32px; }
.brand i { font-style: normal; font-size: 11px; color: var(--text-muted); }
.logo { width: 12px; height: 12px; background: var(--accent); border-radius: 3px; box-shadow: 0 0 10px var(--accent); }

.menu { display: flex; flex-direction: column; gap: 8px; flex: 1; }
.menu a { color: var(--text-muted); text-decoration: none; padding: 10px 12px; border-radius: 6px; font-size: 13px; transition: all 0.2s; }
.menu a:hover, .menu a.active { background: var(--bg-card); color: var(--text-main); }

.sidebar-footer { font-size: 12px; color: var(--text-muted); display: flex; align-items: center; gap: 8px; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); display: inline-block; box-shadow: 0 0 8px var(--green); }

.content { flex: 1; padding: 32px; overflow-y: auto; display: flex; flex-direction: column; gap: 24px; }
.topbar { display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border); padding-bottom: 16px; }
.topbar h1 { font-size: 20px; font-weight: 600; }
.node-id code { background: var(--bg-card); padding: 4px 8px; border-radius: 4px; border: 1px solid var(--border); color: var(--accent); font-size: 12px; }

.grid-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; }
.card { background: var(--bg-card); border: 1px solid var(--border); padding: 20px; border-radius: 10px; }
.card-label { font-size: 12px; color: var(--text-muted); margin-bottom: 8px; }
.card-value { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.card-trend { font-size: 11px; }
.text-green { color: var(--green); }
.text-muted { color: var(--text-muted); }

.console-box { background: #080a0f; border: 1px solid var(--border); border-radius: 10px; flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.console-header { background: var(--bg-card); padding: 12px 16px; font-size: 12px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; }
.badge { background: rgba(56, 189, 248, 0.1); color: var(--accent); padding: 2px 6px; border-radius: 4px; font-size: 10px; border: 1px solid rgba(56, 189, 248, 0.2); }

.console-body { padding: 16px; font-size: 12px; font-family: monospace; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.log-line .t { color: var(--text-muted); }
.log-line .i { color: var(--accent); }
.log-line .s { color: var(--green); }