body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont;
  margin: 0;
  padding: 1rem;
  background: #f6f7f9;
}

section {
  background: white;
  padding: 1rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  font-family: "Inter";
}

h2 { margin-top: 0; }
h3 { margin-bottom: .5rem; }
h4 { margin: 1rem 0 .5rem; }

.meta {
  color: #666;
  font-size: .9rem;
}

.tabs {
  display: flex;
  gap: .5rem;
  margin-bottom: .75rem;
}

.tab {
  padding: .4rem .75rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  background: #e9ebef;
  font-weight: 600;
}

.tab.active {
  background: #2563eb;
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  width: 80%
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .9rem;
}

th, td {
  padding: .4rem .5rem;
  border-bottom: 1px solid #eee;
  text-align: right;
}

th:first-child,
td:first-child,
th:nth-child(2),
td:nth-child(2) {
  text-align: left;
}

.empty {
  color: #888;
  font-style: italic;
}