:root {
  --primary-blue: #2d2e83;
  --secondary-blue: #4544e7;
}

/* ---------- Header Styles ---------- */
.navbar {
  background-color: #fff;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  z-index: 1050;
}

.navbar-brand {
  font-size: 2rem;
  font-weight: bold;
  color: var(--primary-blue) !important;
}

.navbar-brand-img {
  height: 40px;
}

.navbar-nav .nav-link {
  color: #6c757d !important;
  margin: 0 1rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0 !important;
}

.navbar-nav .nav-link:hover {
  color: var(--primary-blue) !important;
  border-bottom: 2px solid var(--primary-blue);
}

/* Active */
.navbar-nav .nav-link.active {
  color: var(--primary-blue) !important;
  border-bottom: 2px solid var(--primary-blue);
  font-weight: 600;
}

/* ---------- DESKTOP STYLES (Hover Only) ---------- */
@media (min-width: 992px) {
  /* Remove click cursor for dropdown toggles on desktop */
  .nav-item.dropdown > .dropdown-toggle {
    cursor: default !important;
  }

  .submenu-toggle {
    cursor: default !important;
  }

  /* Hide mobile indicators on desktop */
  .submenu-toggle::after {
    display: none !important;
  }

  /* Ensure proper positioning for hover */
  .nav-item.dropdown {
    position: relative;
  }

  .dropdown-submenu {
    position: relative;
  }

  /* Desktop dropdown positioning */
  .dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 0.25rem;
  }

  .dropdown-submenu .submenu {
    position: absolute;
    top: 0;
    left: 100%;
    margin-left: 0;
  }
}

/* ---------- Dropdown Styles (Universal) ---------- */
.dropdown-menu {
  border: none;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  border-radius: 8px;
  padding: 0.5rem 0;
  min-width: 220px;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 1050;
}

.dropdown-menu.show {
  display: block !important;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  padding: 0.75rem 1.5rem;
  font-weight: 500;
  color: #6c757d;
  transition: all .2s ease;
  border-left: 3px solid transparent;
  position: relative;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: #f8f9fa;
  color: var(--primary-blue);
  border-left: 3px solid var(--primary-blue);
  padding-left: 1.75rem;
}

.dropdown-divider {
  margin: 0.5rem 0;
  border-top: 1px solid #e9ecef;
}

/* ---------- Nested Dropdown (Universal) ---------- */
.dropdown-submenu {
  position: relative;
}

.dropdown-submenu .submenu {
  min-width: 200px;
  display: none;
  opacity: 0;
  transform: translateX(-10px);
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 1060;
}

.dropdown-submenu .submenu.show {
  display: block !important;
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

/* ---------- Breakpoints ---------- */
@media (min-width: 1400px) {
  .navbar .container {
    max-width: 1320px;
  }
  .navbar-nav .nav-link {
    margin: 0 1.2rem;
  }
}

@media (max-width: 1399px) and (min-width: 1200px) {
  .navbar .container {
    margin-left: clamp(15px, 4vw, 50px);
  }
  .navbar-nav .nav-link {
    margin: 0 1rem;
  }
}

@media (max-width: 1199px) and (min-width: 992px) {
  .navbar .container {
    margin-left: clamp(15px, 3vw, 40px);
  }
  .navbar-nav .nav-link {
    margin: 0 0.8rem;
    font-size: 0.95rem;
  }
  .dropdown-menu {
    min-width: 200px;
  }
  .dropdown-submenu .submenu {
    min-width: 180px;
  }
}

/* ---------- MOBILE/RESPONSIVE STYLES (Click Only) ---------- */
@media (max-width: 991px) {
  .navbar {
    padding: 0.75rem 0;
  }

  .navbar .container {
    margin-left: 15px;
    padding: 0 15px;
  }

  .navbar-brand-img {
    height: 35px;
  }

  .navbar-nav {
    padding-top: 1rem;
  }

  .navbar-nav .nav-link {
    margin: 0;
    padding: 0.75rem 0 !important;
    border-bottom: 1px solid #f8f9fa;
    border-left: none !important;
  }

  .navbar-nav .nav-link:hover {
    border-bottom: 1px solid var(--primary-blue);
    background-color: #f8f9fa;
    padding-left: 0.5rem !important;
  }

  /* Enable click cursor for mobile */
  .nav-item.dropdown > .dropdown-toggle {
    cursor: pointer !important;
  }

  .submenu-toggle {
    cursor: pointer !important;
  }

  /* Mobile dropdown styles */
  .dropdown-menu {
    position: static !important;
    float: none;
    width: 100%;
    margin-top: 0;
    background-color: #f8f9fa;
    border: none;
    box-shadow: none;
    border-radius: 0;
    padding: 0;
    transform: none;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    pointer-events: auto;
  }

  .dropdown-menu.show {
    max-height: 1000px;
    opacity: 1;
    transform: none;
  }

  .dropdown-item {
    padding: 0.6rem 1rem;
    border-left: none !important;
    font-size: 0.9rem;
  }

  .dropdown-item:hover {
    background-color: #e9ecef;
    padding-left: 1.5rem !important;
  }

  /* Mobile Submenu */
  .dropdown-submenu .submenu {
    position: static;
    background-color: #e9ecef;
    margin: 0;
    padding: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    transform: none;
    pointer-events: auto;
  }

  .dropdown-submenu .submenu.show {
    max-height: 500px;
    padding: 0.5rem 0;
    opacity: 1;
    transform: none;
  }

  .dropdown-submenu .submenu .dropdown-item {
    padding-left: 2rem;
    font-size: 0.85rem;
    color: #495057;
  }

  .dropdown-submenu .submenu .dropdown-item:hover {
    background-color: #dee2e6;
    padding-left: 2.5rem !important;
  }

  /* Mobile submenu indicators */
  .submenu-toggle::after {
    content: "+";
    float: right;
    font-weight: bold;
    transition: transform .3s ease;
    font-size: 1.2em;
    display: inline-block;
  }

  .submenu-toggle.submenu-open::after {
    transform: rotate(45deg);
  }

  .dropdown-divider {
    margin: 0.25rem 0;
  }
}

/* Small mobile */
@media (max-width: 576px) {
  .navbar {
    padding: 0.5rem 0;
  }

  .navbar .container {
    margin-left: 10px;
    padding: 0 10px;
  }

  .navbar-brand-img {
    height: 30px;
  }

  .navbar-nav .nav-link {
    padding: 0.6rem 0 !important;
    font-size: 0.9rem;
  }

  .dropdown-item {
    padding: 0.5rem 0.8rem;
    font-size: 0.85rem;
  }

  .dropdown-submenu .submenu .dropdown-item {
    padding-left: 1.5rem;
    font-size: 0.8rem;
  }

  .dropdown-submenu .submenu .dropdown-item:hover {
    padding-left: 2rem !important;
  }
}

/* Extra small */
@media (max-width: 480px) {
  .navbar-nav .nav-link {
    font-size: 0.85rem;
  }

  .dropdown-item {
    font-size: 0.8rem;
    padding: 0.4rem 0.6rem;
  }

  .dropdown-submenu .submenu .dropdown-item {
    font-size: 0.75rem;
    padding-left: 1.2rem;
  }
}

/* Touch devices */
@media (hover: none) and (pointer: coarse) {
  .dropdown-item {
    padding: 0.8rem 1rem;
  }

  .dropdown-submenu .submenu .dropdown-item {
    padding: 0.7rem 1.5rem;
  }
}

/* High DPI */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .navbar {
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
  }

  .dropdown-menu {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  }
}