:root {
  --bg: #0f1419;
  --panel: #1a2027;
  --border: #2b343d;
  --text: #d8dee4;
  --muted: #8b949e;
  --accent: #4d9fff;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 system-ui, "Segoe UI", sans-serif;
}
.hidden { display: none !important; }
#topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px; background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0;
}
.logo { font-weight: 700; color: var(--accent); }
#nav a { color: var(--muted); text-decoration: none; margin-right: 12px; padding: 4px 6px; border-radius: 4px; }
#nav a.active, #nav a:hover { color: var(--text); background: var(--border); }
.spacer { flex: 1; }
main { max-width: 1100px; margin: 24px auto; padding: 0 20px; }
.loading, .empty { color: var(--muted); padding: 40px; text-align: center; }

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 16px 20px; margin-bottom: 16px; }
.panel h2 { margin: 0 0 12px; font-size: 16px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; }
.card h3 { margin: 0 0 8px; font-size: 14px; color: var(--muted); font-weight: 600; }
.card .big { font-size: 20px; font-weight: 700; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(63,185,80,.15); color: var(--ok); }
.badge.warn { background: rgba(210,153,34,.15); color: var(--warn); }
.badge.err { background: rgba(248,81,73,.15); color: var(--err); }
.badge.info { background: rgba(77,159,255,.15); color: var(--accent); }
.badge.muted { background: var(--border); color: var(--muted); }

button {
  background: var(--accent); color: #fff; border: none; border-radius: 6px;
  padding: 7px 14px; cursor: pointer; font-size: 13px;
}
button:hover { filter: brightness(1.1); }
button.small { padding: 4px 10px; font-size: 12px; }
button.danger { background: var(--err); }
button.ghost { background: transparent; border: 1px solid var(--border); color: var(--text); }
button:disabled { opacity: .5; cursor: default; }

input, select {
  background: var(--bg); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 7px 10px; font-size: 13px; width: 100%;
}
label { display: block; color: var(--muted); font-size: 12px; margin: 10px 0 4px; }
.form-row { display: flex; gap: 12px; }
.form-row > div { flex: 1; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }

.mono { font-family: ui-monospace, Consolas, monospace; font-size: 12px; }
.muted { color: var(--muted); }
.mt { margin-top: 12px; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,.6); display: flex; align-items: center; justify-content: center; z-index: 10; }
.modal-box { background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 20px; max-width: 520px; width: 90%; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }

.toast { position: fixed; bottom: 24px; right: 24px; background: var(--panel); border: 1px solid var(--border); border-left: 3px solid var(--accent); border-radius: 6px; padding: 12px 18px; max-width: 420px; z-index: 20; }
.toast.err { border-left-color: var(--err); }

.login-box { max-width: 360px; margin: 10vh auto; }
.login-box h1 { color: var(--accent); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
pre.instructions { white-space: pre-wrap; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 12px; font-size: 12px; }
.health-dots { display: flex; gap: 6px; align-items: center; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; background: var(--border); }
.dot.ok { background: var(--ok); } .dot.warn { background: var(--warn); } .dot.err { background: var(--err); }