body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background-color: #f4f5f7;
  color: #1d1f21;
}

body.is-loading {
  opacity: 0.8;
  transition: opacity 0.2s ease-in-out;
}

#app {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.card {
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
  padding: 2rem;
  max-width: 420px;
  text-align: center;
}

.card h1 {
  margin-top: 0;
  font-size: 1.8rem;
}

.card p {
  margin-bottom: 0;
  line-height: 1.5;
}

/* Layout for live brief */
header {
  padding: 1rem 1.25rem;
  background: #0f172a;
  color: #fff;
}

header h1 {
  margin: 0;
  font-size: 1.25rem;
}

main#feed {
  padding: 1.25rem;
  display: grid;
  gap: 1rem;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

#traffic-data {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 720px) {
  .grid, #traffic-data {
    grid-template-columns: 1fr 1fr;
  }
}

.card {
  max-width: none;
  text-align: left;
}

.card h2, .card h3 {
  margin-top: 0;
}

.card ul {
  padding-left: 1.25rem;
}

.status-green {
  color: #16a34a;
}

.status-yellow {
  color: #f59e0b;
}

.status-red {
  color: #dc2626;
}

.actions .buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

.btn {
  display: inline-block;
  background: #0ea5e9;
  color: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  text-decoration: none;
}

.btn:hover {
  background: #0284c7;
}

footer {
  padding: 1rem 1.25rem;
  color: #475569;
}