.nav {
  width: 280px;
  background-color: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  height: fit-content;
  flex-shrink: 0;
}

.navHeader {
  padding: 1.25rem 1.5rem;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.08) 0%, rgba(139, 92, 246, 0.08) 100%);
  border-bottom: 1px solid var(--color-border);
}

.navTitle {
  font-size: 1.125rem;
  font-weight: 700;
  margin: 0;
  color: var(--color-text);
  letter-spacing: -0.01em;
}

.navList {
  list-style: none;
  padding: 0.5rem;
  margin: 0;
}

.navItem {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
  width: 100%;
  padding: 0.875rem 1rem;
  background: transparent;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  margin-bottom: 0.25rem;
}

.navItem:hover {
  background-color: rgba(99, 102, 241, 0.05);
}

.navItem.active {
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.12) 0%, rgba(139, 92, 246, 0.12) 100%);
  border-left: 3px solid var(--color-primary);
  padding-left: calc(1rem - 3px);
}

.navIcon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  margin-top: 0.125rem;
}

.navContent {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex: 1;
  min-width: 0;
}

.navItemTitle {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.3;
}

.navItem.active .navItemTitle {
  color: var(--color-primary);
}

.navItemDesc {
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  line-height: 1.4;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.navItem:hover .navItemDesc {
  color: var(--color-text);
}

.navItem.active .navItemDesc {
  color: rgba(99, 102, 241, 0.8);
}