.tab-bar {
  display: flex;
  background: var(--secondary-bg-color);
  padding: 3px;
  border-radius: 10px;
  gap: 4px;
}
.tab-btn {
  flex: 1;
  padding: 8px 12px;
  border: none;
  background: transparent;
  color: var(--hint-color);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}
.tab-btn.active {
  background: var(--bg-color);
  color: var(--text-color);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}