html {
  font-size: 15px;
}

body {
  background: #f6f7f9;
  color: #222831;
}

a {
  color: #2457a6;
}

.page-heading {
  margin-bottom: 1.25rem;
}

.page-heading h1 {
  font-size: 1.6rem;
  margin: 0;
}

.page-heading p {
  color: #667085;
  margin: .25rem 0 0;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.metric-card,
.data-panel,
.auth-panel,
.form-panel {
  background: #ffffff;
  border: 1px solid #dfe3ea;
  border-radius: 8px;
}

.metric-card {
  padding: 1rem;
}

.metric-card span {
  color: #667085;
  display: block;
  font-size: .9rem;
}

.metric-card strong {
  display: block;
  font-size: 2rem;
  margin-top: .35rem;
}

.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 420px) auto;
  gap: .75rem;
  margin-bottom: 1rem;
}

.filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: .75rem;
  margin-bottom: 1rem;
}

.button-row {
  display: flex;
  gap: .5rem;
}

.data-panel {
  padding: .75rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 180px 1fr;
  max-width: 720px;
  background: #ffffff;
  border: 1px solid #dfe3ea;
  border-radius: 8px;
  padding: 1rem;
}

.detail-grid dt {
  color: #667085;
}

.section-title {
  font-size: 1.2rem;
  margin: 1.5rem 0 .75rem;
}

.auth-panel {
  max-width: 420px;
  margin: 4rem auto;
  padding: 1.5rem;
}

.auth-panel h1 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.form-panel {
  max-width: 520px;
  padding: 1rem;
}

code {
  color: #6a3d9a;
}

@media (max-width: 640px) {
  .toolbar {
    grid-template-columns: 1fr;
  }

  .detail-grid {
    grid-template-columns: 1fr;
  }
}