.newtab-app {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.app-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--spacing-lg);
}

.app-header h1 {
  font-size: 24px;
  color: var(--text-primary);
}

.app-container {
  display: flex;
  min-height: calc(100vh - 80px);
}

.sidebar {
  width: 250px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--glass-border);
  padding: var(--spacing-md);
}

.nav-menu {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-align: left;
  font-size: 14px;
  font-family: inherit;
  text-decoration: none;
}

.nav-item:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.nav-item.active {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--accent-primary);
}

.content-area {
  flex: 1;
  padding: var(--spacing-lg);
  overflow-y: auto;
}

.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  color: var(--text-secondary);
}

