// Navigation component
// Top navigation bar with responsive design

/**
 * @section Navigation
 */

/** @public Main navigation bar */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  background: hsl(var(--background));
  border-bottom: 1px solid hsl(var(--border));
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-6);

  @media (max-width: 768px) {
    padding: var(--spacing-3) var(--spacing-4);
    gap: var(--spacing-4);
  }
}

/** @public Navigation brand/logo container */
.nav-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: hsl(var(--foreground));
  text-decoration: none;

  &:hover {
    color: hsl(var(--primary));
  }
}

/** @public Navigation items container */
.nav-items {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  list-style: none;
  margin: 0;
  padding: 0;

  @media (max-width: 768px) {
    display: none;

    &.mobile-menu-open {
      display: flex;
      flex-direction: column;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: hsl(var(--background));
      border-bottom: 1px solid hsl(var(--border));
      padding: var(--spacing-4);
      gap: var(--spacing-2);
    }
  }
}

/** @public Navigation link */
.nav-link {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);

  &:hover {
    color: hsl(var(--foreground));
    background: hsl(var(--accent) / 0.1);
  }

  &.active {
    color: hsl(var(--foreground));
    background: hsl(var(--accent) / 0.15);
  }
}

/** @public Mobile menu toggle button */
.nav-toggle {
  display: none;

  @media (max-width: 768px) {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: none;
    background: transparent;
    color: hsl(var(--foreground));
    cursor: pointer;
    border-radius: var(--radius-md);

    &:hover {
      background: hsl(var(--accent) / 0.1);
    }
  }
}