:root {
  --bg: #0f1420; --panel: #1a2130; --border: #2a3348;
  --text: #e8ecf4; --muted: #8b95a9;
  --ok: #34d399; --bad: #f87171; --unk: #fbbf24; --accent: #60a5fa;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; border-bottom: 1px solid var(--border); background: var(--panel);
}
.topbar nav { display: flex; align-items: center; gap: 12px; }
.brand { font-weight: 700; font-size: 17px; }
.user-badge { color: var(--muted); font-size: 13px; }
main { flex: 1; padding: 24px; max-width: 1100px; width: 100%; margin: 0 auto; }
h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 14px; text-transform: uppercase; letter-spacing: .05em;
     color: var(--muted); margin: 0 0 10px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border);
        border-radius: 10px; padding: 16px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
.dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot.ok { background: var(--ok); } .dot.bad { background: var(--bad); }
.dot.unk { background: var(--unk); }
.muted { color: var(--muted); font-size: 13px; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px;
        overflow-wrap: anywhere; }
.center-card { max-width: 380px; margin: 12vh auto; text-align: center;
               background: var(--panel); border: 1px solid var(--border);
               border-radius: 12px; padding: 36px 28px; }
.btn { display: inline-block; padding: 9px 18px; border-radius: 8px; border: none;
       font-size: 14px; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--accent); color: #0b1120; font-weight: 600; }
.btn-ghost { background: transparent; color: var(--muted);
             border: 1px solid var(--border); }
.inline { display: inline; }
.footer { text-align: center; color: var(--muted); font-size: 12px; padding: 16px; }