.commodity-observatory {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.observatory-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.observatory-header h1 {
  font-size: 2.25rem;
  margin: 0 0 0.5rem 0;
  color: #2c3e50;
}

.observatory-header p {
  color: #6c757d;
  margin: 0 0 0.5rem 0;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.last-updated {
  font-size: 0.85rem;
  color: #adb5bd;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.category-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  overflow: hidden;
}

.category-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.category-icon {
  font-size: 2rem;
}

.category-title h2 {
  margin: 0;
  font-size: 1.25rem;
}

.category-title p {
  margin: 0.25rem 0 0 0;
  font-size: 0.85rem;
  opacity: 0.9;
}

.commodity-list {
  padding: 0.5rem 0;
}

.commodity-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid #f1f3f4;
}

.commodity-item:last-child {
  border-bottom: none;
}

.commodity-item.unavailable {
  opacity: 0.6;
}

.commodity-name {
  font-weight: 500;
  color: #2c3e50;
}

.manual-badge {
  font-size: 0.75rem;
  margin-left: 0.25rem;
}

.commodity-value {
  text-align: right;
}

.commodity-value .value {
  font-weight: 600;
  font-size: 1.1rem;
  color: #27ae60;
}

.commodity-value .unit {
  font-size: 0.8rem;
  color: #6c757d;
  margin-left: 0.25rem;
}

.commodity-value .unavailable {
  color: #adb5bd;
  font-style: italic;
  font-size: 0.9rem;
}

.data-sources, .why-matter {
  background: white;
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.data-sources h3, .why-matter h3 {
  margin: 0 0 1rem 0;
  color: #2c3e50;
}

.data-sources ul {
  margin: 0;
  padding-left: 1.5rem;
}

.data-sources li {
  margin-bottom: 0.5rem;
}

.data-sources .note {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: #6c757d;
}

.matter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.matter-item {
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 8px;
}

.matter-item strong {
  display: block;
  margin-bottom: 0.5rem;
  color: #2c3e50;
}

.matter-item p {
  margin: 0;
  font-size: 0.9rem;
  color: #6c757d;
}