:root {
  --bg: #0d1117;
  --panel: #161b22;
  --panel-2: #1c232d;
  --border: #2a323d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --radius: 12px;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

.muted { color: var(--muted); }

/* ---------- Login ---------- */
.login-body {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}
.login-card .subtitle { color: var(--muted); margin: 4px 0 20px; font-size: 14px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.login-card input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}
button, .btn {
  width: 100%;
  padding: 11px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
button:hover, .btn:hover { filter: brightness(1.08); }
.error {
  background: rgba(248, 81, 73, 0.12);
  border: 1px solid rgba(248, 81, 73, 0.4);
  color: #ffb4ae;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}

/* ---------- Brand ---------- */
.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 { font-size: 18px; margin: 0; }
.dot {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent); box-shadow: 0 0 10px var(--accent);
}

/* ---------- Top bar ---------- */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 14px 22px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
.topbar-right { display: flex; align-items: center; gap: 16px; font-size: 13px; }
.logout { color: var(--muted); text-decoration: none; }
.logout:hover { color: var(--text); }

/* ---------- Grid ---------- */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 20px;
  padding: 22px;
}
.loading { color: var(--muted); padding: 40px; }

/* ---------- Router card ---------- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--border);
}
.card-head .name { font-size: 16px; font-weight: 700; }
.card-head .host { font-size: 12px; color: var(--muted); }
.status-pill {
  font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
}
.status-online { background: rgba(63,185,80,.15); color: var(--green); }
.status-offline { background: rgba(248,81,73,.15); color: var(--red); }

.card-body { padding: 16px 18px; }

.stat-row { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.stat {
  flex: 1; min-width: 90px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
}
.stat .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 18px; font-weight: 700; margin-top: 2px; }
.stat .value small { font-size: 12px; font-weight: 500; color: var(--muted); }

.section-title {
  font-size: 12px; text-transform: uppercase; letter-spacing: .05em;
  color: var(--muted); margin: 18px 0 8px;
}

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }

.bar { height: 6px; background: var(--panel-2); border-radius: 4px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--accent); }
.bar.warn > span { background: var(--amber); }
.bar.crit > span { background: var(--red); }

.action-btn {
  width: auto; padding: 5px 10px; font-size: 12px; font-weight: 600;
  border-radius: 6px; border: 1px solid var(--border); background: var(--panel-2);
  color: var(--text); cursor: pointer;
}
.action-btn.danger { color: var(--red); border-color: rgba(248,81,73,.4); background: rgba(248,81,73,.08); }
.action-btn.warn { color: var(--amber); border-color: rgba(210,153,34,.4); background: rgba(210,153,34,.08); }
.action-btn:hover { filter: brightness(1.15); }

.err-box {
  background: rgba(248,81,73,.08); border: 1px solid rgba(248,81,73,.3);
  color: #ffb4ae; padding: 10px 12px; border-radius: 8px; font-size: 13px;
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; padding: 6px 10px; font-size: 13px;
}
.chip b { color: var(--accent); }

/* ---------- Kill switch banner ---------- */
.ks-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px; margin-bottom: 16px;
  background: var(--panel-2); border: 1px solid var(--border); border-radius: 10px;
  font-size: 13px;
}
.ks-banner.ks-on {
  background: rgba(248,81,73,.12); border-color: rgba(248,81,73,.5); color: #ffb4ae;
}
.ks-banner .action-btn { white-space: nowrap; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 10px 18px; border-radius: 8px; font-size: 14px;
  opacity: 0; pointer-events: none; transition: all .25s; z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok { border-color: rgba(63,185,80,.5); }
.toast.bad { border-color: rgba(248,81,73,.5); }