/**
 * Navbar Component Styles
 * Uses BEM naming convention
 * Uses CSS variables from globals.css for consistent styling
 */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #ffffff;
  box-shadow: var(--shadow-md);
  z-index: var(--z-sticky);
  transition: transform 0.3s ease-in-out, background-color var(--transition-normal);
}

.navbar--hidden {
  transform: translateY(-100%);
}

.navbar__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.navbar__logo {
  display: flex;
  align-items: center;
  height: 100%;
}

.navbar__logo img {
  height: 40px;
  max-width: 100%;
}

.navbar__links {
  display: flex;
  list-style-type: none;
  margin: 0;
  padding: 0;
  height: 100%;
}

.navbar__item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

/* Add subtle dividers between nav items */
.navbar__item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  height: 16px;
  width: 1px;
  background-color: rgba(41, 40, 39, 0.1); /* Dark accent with low opacity */
}

.navbar__link {
  color: var(--dark-shades);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  padding: 0 var(--space-md);
  height: 100%;
  display: flex;
  align-items: center;
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
}

/* Active state styling with subtle underline */
.navbar__link.active {
  color: var(--main-brand);
}

.navbar__link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: var(--space-md);
  right: var(--space-md);
  height: 2px;
  background-color: var(--dark-accent-90);
  opacity: 0.5; /* Make it subtle */
}

.navbar__link:hover {
  color: var(--main-brand);
  text-decoration: none;
}

.navbar__dropdown-toggle {
  display: inline-flex;
  align-items: center;
  margin-left: var(--space-xxs);
}

.navbar__item--has-dropdown:hover .navbar__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.navbar__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--dark-accent);
  min-width: 200px;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--space-xs) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(var(--space-xs));
  transition: all var(--transition-normal);
  z-index: var(--z-dropdown);
  list-style-type: none;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar__dropdown-link {
  display: block;
  padding: var(--space-xs) var(--space-md);
  color: var(--light-shades); /* Changed to light text for dark background */
  text-decoration: none;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.navbar__dropdown-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--main-brand-light);
  text-decoration: none;
}

.navbar__mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.navbar__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  margin: 5px 0;
  background-color: var(--dark-shades);
  transition: all var(--transition-normal);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .navbar__mobile-toggle {
    display: block;
  }
  
  .navbar__links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--dark-accent);
    flex-direction: column;
    overflow: hidden;
    transition: height var(--transition-normal);
    z-index: var(--z-dropdown);
  }
  
  .navbar--open .navbar__links {
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
  }
  
  .navbar__item {
    width: 100%;
    height: auto;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap; /* Allow dropdown to wrap below the link */
    align-items: flex-start; /* Keep link aligned to the top */
  }
  
  /* Hide vertical dividers on mobile */
  .navbar__item:not(:last-child)::after {
    display: none;
  }

  .navbar__dropdown-link {
    color: var(--light-shades);
    padding-left: var(--space-xl); /* Indent sub-items */
    background-color: rgba(0,0,0,0.2);
  }

  .navbar__dropdown-link:hover {
    color: var(--main-brand-light);
    background-color: rgba(0,0,0,0.4);
  }
  
  .navbar__link {
    width: 100%;
    height: auto; /* Prevent link from stretching vertically */
    padding: var(--space-md);
    justify-content: space-between;
    color: var(--light-shades); /* Ensure text is light on dark background */
  }
  
  /* Adjust active indicator for mobile */
  .navbar__link.active::after {
    left: 0;
    right: 0;
    opacity: 0.3;
    bottom: -1px;
  }
  
  .navbar__dropdown {
    position: static;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    height: 0;
    overflow: hidden;
    transition: all var(--transition-normal);
    padding: 0;
    width: 100%;
    border-radius: 0;
    background-color: transparent;
  }
  
  .navbar__item--has-dropdown.active .navbar__dropdown {
    height: auto;
    padding: var(--space-xs) 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }
  
  /* Indicate active dropdown parent */
  .navbar__item--has-dropdown.active > .navbar__link {
    color: var(--main-brand);
    font-weight: var(--font-weight-medium);
  }
  
  /* Rotating dropdown toggle icon */
  .navbar__item--has-dropdown.active .navbar__dropdown-toggle svg {
    transform: rotate(180deg);
    transition: transform 0.3s ease;
  }
  
  .navbar__dropdown-link {
    padding: var(--space-sm) var(--space-xl);
    font-size: 0.95em;
  }
  
  .navbar__mobile-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .navbar__mobile-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }
  
  .navbar__mobile-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
}