.back-link {
  display: inline-block;
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 10px;
}
.back-link:hover { color: var(--text-primary); }

.tab-bar {
  display: flex;
  gap: 4px;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 20px;
  overflow-x: auto;
}
.tab-btn {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.88rem;
  padding: 9px 16px;
  border-radius: 7px;
  cursor: pointer;
  white-space: nowrap;
}
.tab-btn.active { background: var(--page-plane); color: var(--text-primary); font-weight: 600; }

.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.region-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.region-card {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  border-left: 4px solid var(--series-1);
}
.region-card .rc-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.region-card .rc-name { font-weight: 600; font-size: 0.95rem; }
.region-card .rc-total { font-size: 1.3rem; font-weight: 700; }
.region-card .rc-provinces { font-size: 0.76rem; color: var(--text-muted); margin: 4px 0 10px; }