:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7ecf3;
  --muted: #8b9bb4;
  --accent: #3d9cf0;
  --accent2: #5eead4;
  --border: #2a3548;
  --flash: #fbbf24;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "SF Pro Text", "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: #0c1016;
  position: sticky;
  top: 0;
  z-index: 10;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.nav-user {
  color: var(--accent2);
  font-size: 0.85rem;
  margin-left: 0.75rem;
}
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-wrap { width: 100%; max-width: 420px; padding: 1.5rem; }
.login-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem;
}
.login-form label {
  display: block;
  margin: 0.75rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.login-form input {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c1016;
  color: var(--text);
}
.login-form button {
  width: 100%;
  margin-top: 1rem;
}
.brand a { font-weight: 700; color: var(--text); font-size: 1.1rem; }
.tag { color: var(--muted); font-size: 0.8rem; margin-left: 0.5rem; }
nav a { margin-left: 1rem; color: var(--muted); }
nav a:hover { color: var(--text); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
.hero h1 { margin: 0 0 0.25rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.inline { display: inline; }
button {
  background: var(--accent);
  color: #041018;
  border: 0;
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-weight: 600;
  cursor: pointer;
}
button.secondary { background: var(--card); color: var(--text); border: 1px solid var(--border); }
button:hover { filter: brightness(1.08); }
.flash { color: var(--flash); }
.grid.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin: 1rem 0;
}
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem;
}
.card .n { font-size: 1.6rem; font-weight: 700; color: var(--accent2); }
.card .l { color: var(--muted); font-size: 0.85rem; }
.cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 1.5rem;
}
@media (max-width: 800px) { .cols { grid-template-columns: 1fr; } }
.list { list-style: none; padding: 0; margin: 0; }
.list li {
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
}
.list.dense li { padding: 0.5rem 0; }
.meta { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 0.15rem; }
.badge {
  display: inline-block;
  background: #243044;
  color: var(--accent2);
  font-size: 0.75rem;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  margin-right: 0.35rem;
}
.badge.soft {
  background: #1e293b;
  color: var(--muted);
}
.arrow {
  color: var(--muted);
  margin: 0 0.35rem;
}
.stats-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem;
  overflow: auto;
  font-size: 0.85rem;
}
.foot {
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  padding: 2rem 1rem;
  border-top: 1px solid var(--border);
  margin-top: 2rem;
}
.warn { color: #f87171; }
.warn-n { color: #f87171 !important; }
.badge-danger {
  background: #3f1d1d;
  color: #fca5a5;
}
.contra-row { border-left: 3px solid #f87171; padding-left: 0.5rem; }
.graph-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 1rem 1rem;
  margin: 1.25rem 0;
  overflow: hidden;
}
.corr-svg {
  display: block;
  background: #0c1016;
  border-radius: 8px;
  margin-top: 0.5rem;
}
.node-label {
  fill: #c5d0e0;
  font-size: 11px;
  pointer-events: none;
}
.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}
.legend .swatch {
  display: inline-block;
  width: 14px;
  height: 3px;
  margin-right: 0.35rem;
  vertical-align: middle;
  border-radius: 1px;
}
.legend .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 0.35rem;
  vertical-align: middle;
}
.probe-btn { margin-left: 0.5rem; }
.probe-btn button { font-size: 0.8rem; padding: 0.25rem 0.55rem; }
.btn-link {
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  display: inline-block;
}
.card-block {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin: 1rem 0;
}
.report-md {
  max-height: 480px;
  white-space: pre-wrap;
}
select {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.4rem;
  margin-right: 0.35rem;
}
.traffic-bar { border-left: 4px solid var(--muted); }
.traffic-green { border-left-color: #34d399 !important; }
.traffic-yellow { border-left-color: #fbbf24 !important; }
.traffic-red { border-left-color: #f87171 !important; }
.card.traffic-green .n { color: #34d399; }
.card.traffic-yellow .n { color: #fbbf24; }
.card.traffic-red .n { color: #f87171; }
.ok-msg { color: #34d399; }
.src-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.src-table th, .src-table td {
  border-bottom: 1px solid var(--border);
  padding: 0.55rem 0.4rem;
  text-align: left;
  vertical-align: top;
}
.src-table tr.h-error { background: rgba(248,113,113,0.06); }
.src-table tr.h-stale { background: rgba(251,191,36,0.06); }
.src-table tr.h-ok { }