:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --surface-2: #243044;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --radius: 10px;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.hidden { display: none !important; }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.login-card h1 { font-size: 1.5rem; margin-bottom: 8px; }
.login-card p { color: var(--muted); margin-bottom: 24px; font-size: 0.95rem; }

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.app-header h1 { font-size: 1.1rem; font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.user-pill { font-size: 0.85rem; color: var(--muted); background: var(--surface-2); padding: 6px 12px; border-radius: 999px; }

.layout { display: grid; grid-template-columns: 220px 1fr; min-height: calc(100vh - 57px); }
.sidebar { background: var(--surface); border-right: 1px solid var(--border); padding: 16px 12px; }
.nav-btn {
  display: block; width: 100%; text-align: left; background: transparent; border: none;
  color: var(--muted); padding: 10px 12px; border-radius: 8px; cursor: pointer;
  font-size: 0.95rem; margin-bottom: 4px;
}
.nav-btn:hover, .nav-btn.active { background: var(--surface-2); color: var(--text); }
.main { padding: 24px; overflow-x: auto; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel h2 { font-size: 1.1rem; margin-bottom: 16px; }
.panel h3 { font-size: 0.95rem; margin: 16px  0 8px; color: var(--muted); }

label { display: block; font-size: 0.85rem; color: var(--muted); margin-bottom: 6px; }
input, select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font-size: 0.95rem; margin-bottom: 12px;
}
textarea { min-height: 120px; resize: vertical; font-family: inherit; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

@media (max-width: 768px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: flex; flex-wrap: wrap; gap: 4px; border-right: none; border-bottom: 1px solid var(--border); }
  .nav-btn { width: auto; }
  .form-row { grid-template-columns: 1fr; }
}

button, .btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  background: var(--accent); color: white; border: none; border-radius: 8px;
  padding: 10px 16px; font-size: 0.9rem; cursor: pointer; font-weight: 500;
}
button:hover, .btn:hover { background: var(--accent-hover); }
button.secondary, .btn.secondary { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
button.secondary:hover { background: var(--border); }

.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; margin-bottom: 16px; }
.toolbar .field { flex: 1; min-width: 180px; }
.toolbar .field label { margin-bottom: 4px; }
.toolbar .field select, .toolbar .field input { margin-bottom: 0; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 500; white-space: nowrap; }
tr:hover td { background: rgba(255,255,255,0.02); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; }
.badge.ok { background: rgba(34,197,94,0.15); color: var(--success); }
.badge.bad { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge.warn { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge.neutral { background: var(--surface-2); color: var(--muted); }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 0.9rem; }
.alert.error { background: rgba(239,68,68,0.12); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert.success { background: rgba(34,197,94,0.12); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }
.alert.info { background: rgba(59,130,246,0.12); color: #93c5fd; border: 1px solid rgba(59,130,246,0.3); }
.empty { color: var(--muted); padding: 24px; text-align: center; }

pre.code-block {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-size: 0.82rem; overflow-x: auto; white-space: pre-wrap; word-break: break-word;
}

.links-row { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 12px; font-size: 0.85rem; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 16px; }
.stat-card { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 12px; }
.stat-card .label { font-size: 0.75rem; color: var(--muted); }
.stat-card .value { font-size: 1.25rem; font-weight: 600; margin-top: 4px; }