.app-body {
  display: flex;
  min-height: calc(100vh - 52px);
}

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid #e5e7eb;
  padding: 12px 0;
  overflow-y: auto;
}

.app-body main {
  flex: 1;
  min-width: 0;
}

.sidebar-item {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: #374151;
  text-decoration: none;
  border-left: 2px solid transparent;
}

.sidebar-item:hover { background: #f9fafb; }

.sidebar-item.active {
  color: #111;
  font-weight: 600;
  border-left-color: #111;
  background: #f9fafb;
}

.sidebar-type-label {
  display: block;
  padding: 16px 16px 4px;
  font-size: 11px;
  font-weight: 600;
  color: #9ca3af;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.sidebar-type-label:first-child { padding-top: 4px; }

a.sidebar-type-label { text-decoration: none; cursor: pointer; }
a.sidebar-type-label:hover { background: #f9fafb; }
a.sidebar-type-label.active { color: #374151; background: #f9fafb; }

.sidebar-sub-item {
  display: block;
  padding: 6px 16px 6px 28px;
  font-size: 13px;
  color: #6b7280;
  text-decoration: none;
  border-left: 2px solid transparent;
}

.sidebar-sub-item:hover { background: #f9fafb; color: #374151; }

.sidebar-sub-item.active {
  color: #111;
  font-weight: 600;
  border-left-color: #111;
  background: #f9fafb;
}

.sidebar-fields-section {
  border-top: 1px solid #e5e7eb;
  margin-top: 8px;
  padding-top: 4px;
}

.sidebar-add {
  display: block;
  padding: 8px 16px;
  font-size: 13px;
  color: #6b7280;
  text-decoration: none;
  border-left: 2px solid transparent;
}

.sidebar-add:hover { background: #f9fafb; color: #374151; }

.sidebar-add.active {
  color: #111;
  font-weight: 600;
  border-left-color: #111;
  background: #f9fafb;
}