:root {
  --bg: #1d1d1a;
  --panel: #2b2b28;
  --panel-2: #171716;
  --line: #494945;
  --text: #f2f2ea;
  --muted: #b8b8ae;
  --yellow: #d49b18;
  --green: #6ed447;
  --red: #d8524a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.app {
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 22px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 18px;
  margin-bottom: 22px;
}

h1 {
  margin: 0;
  font-size: 22px;
}

.topbar span {
  color: var(--muted);
  margin-left: 8px;
  font-size: 14px;
}

.updated {
  color: var(--muted);
  font-size: 13px;
}

.updated span {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #ff7d7d;
  border-radius: 50%;
}

.alert {
  border: 1px solid var(--yellow);
  background: rgba(212, 155, 24, 0.18);
  color: #f5c253;
  border-radius: 8px;
  padding: 16px 18px;
  margin-bottom: 22px;
  font-size: 15px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 24px;
}

.metrics article {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px 16px;
  text-align: center;
}

.metrics strong {
  display: block;
  font-size: 28px;
  color: #f3c15c;
}

.metrics strong.green {
  color: var(--green);
}

.metrics span {
  color: var(--muted);
  font-size: 13px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 22px;
  margin-bottom: 28px;
}

h2 {
  margin: 0 0 18px;
  text-transform: uppercase;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.08em;
}

.route {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding: 12px 0;
}

.route:last-child {
  border-bottom: none;
}

.route h3 {
  margin: 0 0 4px;
  font-size: 16px;
}

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

.route p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.badge {
  align-self: center;
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 13px;
  font-weight: 700;
  white-space: nowrap;
}

.badge.green {
  background: rgba(110, 212, 71, 0.18);
  color: var(--green);
}

.badge.yellow {
  background: rgba(212, 155, 24, 0.2);
  color: #f0b83f;
}

.badge.red {
  background: rgba(216, 82, 74, 0.22);
  color: #ff8b83;
}

.cameras {
  margin-bottom: 28px;
}

.camera-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.camera-placeholder {
  height: 105px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 30px;
}

.camera-grid p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.camera-grid iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: none;
  border-radius: 8px;
  background: #111;
}

.history ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.history li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  color: var(--muted);
}

.history strong {
  color: var(--text);
  min-width: 44px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.dot.green { background: var(--green); }
.dot.yellow { background: var(--yellow); }
.dot.red { background: var(--red); }

@media (max-width: 720px) {
  .app {
    padding: 16px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .metrics,
  .camera-grid {
    grid-template-columns: 1fr;
  }

  .route {
    align-items: flex-start;
    flex-direction: column;
  }

  .badge {
    align-self: flex-start;
  }
}