:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --good: #22c55e;
  --bad: #ef4444;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.muted { color: var(--muted); }

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 24px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.brand { font-weight: 600; font-size: 18px; }
.nav-links a {
  color: var(--text);
  text-decoration: none;
  margin-left: 20px;
}
.nav-links a:hover { color: var(--accent); }

.container { max-width: 1000px; margin: 0 auto; padding: 24px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.panel h2 { margin-top: 0; }
.subpanel { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

.stat-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  text-align: center;
}
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat-good .stat-value { color: var(--good); }
.stat-bad .stat-value { color: var(--bad); }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge-success { background: rgba(34,197,94,.15); color: var(--good); }
.badge-failed { background: rgba(239,68,68,.15); color: var(--bad); }

.activity-filters { margin-bottom: 12px; }
.activity-filter-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 14px;
  border-radius: 999px;
  margin-right: 8px;
  cursor: pointer;
  font-size: 13px;
}
.activity-filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.activity-feed { list-style: none; padding: 0; margin: 0; max-height: 400px; overflow-y: auto; }
.activity-item {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
  display: flex;
  gap: 12px;
}
.activity-time { color: var(--muted); white-space: nowrap; }
.activity-error .activity-msg { color: var(--bad); }
.activity-warning .activity-msg { color: #f59e0b; }

form { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
label { font-size: 13px; margin-top: 10px; color: var(--muted); }
input[type=text], input[type=password], input[type=email], input[type=number], textarea, select {
  background: #0b1120;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
}
textarea { font-family: monospace; resize: vertical; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: 14px;
  margin-top: 12px;
  margin-right: 8px;
}
.btn-primary { background: var(--accent); color: white; }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }

.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.alert-success { background: rgba(34,197,94,.12); color: var(--good); border: 1px solid rgba(34,197,94,.3); }
.alert-error { background: rgba(239,68,68,.12); color: var(--bad); border: 1px solid rgba(239,68,68,.3); }

.result-box {
  background: #0b1120;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px;
  font-size: 12px;
  white-space: pre-wrap;
  min-height: 20px;
  margin-top: 10px;
}

.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 320px;
}
.login-card h1 { margin: 0 0 4px; font-size: 22px; }