.header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: var(--z-dropdown);
  backdrop-filter: blur(8px);
  background-color: rgba(248, 250, 252, 0.8);
}

@media (prefers-color-scheme: dark) {
  .header {
    background-color: rgba(30, 41, 59, 0.8);
  }
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  text-decoration: none;
}

.logoIcon {
  font-size: var(--font-size-2xl);
}

.logoText {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
}

.navLink {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}

.navLink:hover {
  color: var(--color-text-primary);
  background-color: var(--color-surface-hover);
}

.navLink.active {
  color: var(--color-primary);
  background-color: rgba(99, 102, 241, 0.1);
}