/* Navigation Styles */
.main-nav {
  background-color: #f8f9fa;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0;
}

.nav-logo {
  display: flex;
  align-items: center;
  padding: 0.5rem 1rem;
}

.nav-logo img {
  height: 40px;
  margin-right: 10px;
}

.nav-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  position: relative;
  margin: 0;
}

.nav-menu a {
  display: block;
  padding: 1rem;
  color: #333;
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-menu a:hover, 
.nav-menu a.active {
  background-color: #2962ff;
  color: white;
}

/* Dropdown Menu */
.dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  min-width: 200px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
  z-index: 1000;
  list-style: none;
  padding: 0;
  margin: 0;
}

.dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-menu li {
  margin: 0;
}

.dropdown-menu a {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #f1f1f1;
}

.dropdown-menu a:hover {
  background-color: #f1f1f1;
  color: #2962ff;
}

/* Mobile Navigation */
.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 1rem;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  list-style: none;
  padding: 1rem 0;
  margin: 0;
  font-size: 0.9rem;
  background-color: #f8f9fa;
  border-bottom: 1px solid #e9ecef;
}

.breadcrumbs li {
  margin: 0;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin: 0 0.5rem;
  color: #6c757d;
}

.breadcrumbs a {
  color: #6c757d;
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: #2962ff;
  text-decoration: underline;
}

.breadcrumbs li:last-child {
  color: #333;
  font-weight: 500;
}

/* Sidebar Navigation */
.sidebar-nav {
  background-color: #f8f9fa;
  border-radius: 5px;
  padding: 1.5rem;
}

.sidebar-nav h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #dee2e6;
}

.sidebar-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.sidebar-nav li {
  margin-bottom: 0.25rem;
}

.sidebar-nav a {
  display: block;
  padding: 0.5rem;
  color: #333;
  text-decoration: none;
  border-radius: 3px;
  transition: all 0.3s ease;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
  background-color: #e9ecef;
  color: #2962ff;
}

.sidebar-nav .submenu {
  padding-left: 1rem;
  margin-top: 0.25rem;
  display: none;
}

.sidebar-nav .has-submenu.active .submenu {
  display: block;
}

.sidebar-nav .has-submenu > a::after {
  content: "▼";
  float: right;
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.sidebar-nav .has-submenu.active > a::after {
  content: "▲";
}

/* Responsive Navigation */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    flex-direction: column;
    width: 100%;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    z-index: 1000;
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .mobile-menu-toggle {
    display: block;
  }
  
  .dropdown-menu {
    position: static;
    box-shadow: none;
    display: none;
    padding-left: 1rem;
  }
  
  .dropdown.active .dropdown-menu {
    display: block;
  }
  
  .dropdown > a::after {
    content: "▼";
    float: right;
    font-size: 0.75rem;
    margin-top: 0.25rem;
  }
  
  .dropdown.active > a::after {
    content: "▲";
  }
  
  .nav-container {
    flex-wrap: wrap;
  }
}