:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --line: #2a3542;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9cf0;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --danger: #f07178;
  --radius: 10px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.nav {
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 1.25rem 1rem;
}
.nav h1 { font-size: 1rem; margin: 0 0 1.25rem; letter-spacing: .04em; }
.nav button, .nav a.navlink {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  border: 0;
  color: var(--text);
  padding: .55rem .7rem;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: .25rem;
  font: inherit;
}
.nav button:hover, .nav a.navlink:hover, .nav button.active {
  background: #243040;
}
.main { padding: 1.25rem 1.5rem 2rem; }
.muted { color: var(--muted); font-size: .9rem; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; align-items: center; margin-bottom: 1rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .75rem; margin-bottom: 1.25rem; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.card .hint {
  margin-top: .45rem;
  color: var(--muted);
  font-size: .72rem;
  line-height: 1.35;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}
.lead {
  color: var(--muted);
  max-width: 62rem;
  line-height: 1.45;
  margin: 0 0 1rem;
}
.nav-hint {
  font-size: .75rem;
  line-height: 1.35;
  margin: 0 0 .9rem;
}
.filter-label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  color: var(--muted);
  font-size: .85rem;
}

input, select, button.btn {
  background: #121820;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: .5rem .7rem;
  font: inherit;
}
button.btn {
  background: var(--accent);
  border-color: transparent;
  color: #041018;
  font-weight: 600;
  cursor: pointer;
}
button.btn.secondary { background: #2a3542; color: var(--text); }
button.btn:disabled { opacity: .5; cursor: default; }

table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { text-align: left; padding: .55rem .45rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; }
tr:hover td { background: rgba(255,255,255,.02); }
.badge {
  display: inline-block;
  padding: .1rem .4rem;
  border-radius: 999px;
  font-size: .75rem;
  background: #2a3542;
}
.badge.ok { background: rgba(62,207,142,.18); color: var(--ok); }
.badge.warn { background: rgba(240,180,41,.18); color: var(--warn); }

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-box {
  width: min(380px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem;
}
.login-box h1 { margin: 0 0 .25rem; font-size: 1.25rem; }
.login-box label { display: block; margin: .75rem 0 .3rem; color: var(--muted); font-size: .85rem; }
.login-box input { width: 100%; }
.login-box .btn { width: 100%; margin-top: 1rem; }
.error { color: var(--danger); margin-top: .75rem; font-size: .9rem; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li {
  border-left: 2px solid var(--line);
  padding: .35rem 0 .55rem .9rem;
  margin-left: .35rem;
}
.timeline .t { color: var(--muted); font-size: .78rem; }
.timeline .n { font-weight: 600; }
.mono { font-family: ui-monospace, Consolas, monospace; font-size: .85rem; word-break: break-all; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  margin-bottom: 1rem;
}
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.chart-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.chart-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem;
  min-height: 280px;
}
.chart-panel.wide { grid-column: 1 / -1; }
.chart-panel h3 { margin: 0 0 .75rem; font-size: .95rem; }
.chart-panel canvas { max-height: 240px; width: 100% !important; }
.live-feed {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 360px;
  overflow: auto;
}
.live-feed li {
  padding: .45rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}
.live-status {
  display: flex;
  align-items: center;
  gap: .45rem;
  color: var(--ok);
  font-size: .88rem;
  margin: 0 0 1rem;
}
.live-dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 0 rgba(62, 207, 142, 0.7);
  animation: livePulse 1.6s ease-out infinite;
  flex-shrink: 0;
}
@keyframes livePulse {
  0% { box-shadow: 0 0 0 0 rgba(62, 207, 142, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(62, 207, 142, 0); }
  100% { box-shadow: 0 0 0 0 rgba(62, 207, 142, 0); }
}
.meter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: .9rem;
}
.meter-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: .9rem 1rem;
}
.meter-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: .5rem;
  margin-bottom: .55rem;
}
.meter-val {
  font-size: 1.35rem;
  font-weight: 650;
  letter-spacing: .01em;
}
.meter-val.ok { color: var(--ok); }
.meter-val.warn { color: var(--warn); }
.meter-val.danger { color: var(--danger); }
.meter-bar {
  height: 8px;
  background: #10161d;
  border-radius: 999px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.meter-fill {
  height: 100%;
  border-radius: 999px;
  transition: width .45s ease;
}
.meter-fill.ok { background: linear-gradient(90deg, #2aa56d, var(--ok)); }
.meter-fill.warn { background: linear-gradient(90deg, #c9921d, var(--warn)); }
.meter-fill.danger { background: linear-gradient(90deg, #c24b55, var(--danger)); }
.spark-wrap { margin-top: .55rem; height: 36px; }
.spark { width: 100%; height: 36px; display: block; }
.svc-list { list-style: none; margin: 0; padding: 0; }
.svc-list li {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: .45rem 0;
  border-bottom: 1px solid var(--line);
  font-size: .9rem;
  flex-wrap: wrap;
}
.svc-dot {
  width: .55rem;
  height: .55rem;
  border-radius: 50%;
  flex-shrink: 0;
}
.svc-ok .svc-dot { background: var(--ok); box-shadow: 0 0 8px rgba(62,207,142,.35); }
.svc-bad .svc-dot { background: var(--danger); box-shadow: 0 0 8px rgba(240,113,120,.35); }
.svc-ok strong { color: var(--ok); }
.svc-bad strong { color: var(--danger); }
.scale-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem .75rem;
  margin: 0 0 1rem;
}
.scale-label {
  color: var(--muted);
  font-size: .88rem;
  font-weight: 600;
}
.scale-group {
  display: inline-flex;
  flex-wrap: wrap;
  gap: .3rem;
  padding: .25rem;
  background: #121820;
  border: 1px solid var(--line);
  border-radius: 999px;
}
.scale-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: .82rem;
  padding: .35rem .7rem;
  border-radius: 999px;
  cursor: pointer;
}
.scale-btn:hover { color: var(--text); background: #1c2633; }
.scale-btn.active {
  background: var(--accent);
  color: #041018;
  font-weight: 650;
}
.scale-hint { font-size: .82rem; }

.summary-box { border-color: #3d6a9a; }
.summary-list { margin: .4rem 0 0; padding-left: 1.2rem; line-height: 1.45; }
.summary-list li { margin-bottom: .35rem; }
.ev-detail { color: var(--text); margin-top: .2rem; font-size: .9rem; }
.ev-meaning { color: #9ec9f0; margin-top: .15rem; font-size: .86rem; }
table.kv { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.kv th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  padding: .35rem .4rem .35rem 0;
  width: 42%;
  vertical-align: top;
  text-transform: none;
  font-size: .85rem;
}
table.kv td { padding: .35rem 0; vertical-align: top; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .nav { border-right: 0; border-bottom: 1px solid var(--line); }
  .grid2 { grid-template-columns: 1fr; }
  .chart-grid { grid-template-columns: 1fr; }
  .chart-panel.wide { grid-column: auto; }
}