/**
 * Navigation Component Styles
 * Enhanced navigation with proper specificity and typography
 * Preserves original landing page navigation typography while ensuring
 * User Module content uses consistent professional design
 * Enhanced Mobile Responsiveness for Task 2.1
 */

/* ==========================================================================
   Main Navigation Bar - Enhanced Specificity
   ========================================================================== */

.navbar {
  background-color: var(--bg-white);
  border-bottom: 1px solid var(--border-color);
  padding: 0.75rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1030;
}

.navbar .navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary-green);
  text-decoration: none;
  font-size: 1.25rem !important;
  /* Force brand font size */
  font-weight: 700;
}

.navbar .navbar-brand:hover {
  color: var(--primary-green-dark);
  text-decoration: none;
}

.navbar .navbar-brand .logo-icon {
  width: 28px;
  height: 28px;
  background-color: var(--primary-green);
  color: white;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
}

/* ==========================================================================
   Mobile Navigation Toggler - Enhanced for Touch
   ========================================================================== */

.navbar-toggler {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  background-color: var(--bg-white);
  transition: all 0.3s ease;
  min-height: 44px;
  /* Touch-friendly minimum size */
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-toggler:hover {
  background-color: var(--bg-secondary);
  border-color: var(--primary-green);
}

.navbar-toggler:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: none;
  width: 20px;
  height: 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-toggler-icon::before {
  content: '\f0c9';
  /* Font Awesome hamburger icon */
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 1.125rem;
  color: var(--text-primary);
  transition: all 0.3s ease;
}

.navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before {
  content: '\f00d';
  /* Font Awesome close icon */
  color: var(--primary-green);
}

/* ==========================================================================
   Navigation Links - Enhanced Specificity and Typography
   ========================================================================== */

.navbar .navbar-nav .nav-link {
  color: var(--text-muted);
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem !important;
  /* Force 16px navigation font size */
  font-weight: 500;
  border-radius: 6px;
  margin: 0 0.125rem;
  display: flex;
  align-items: center;
  white-space: nowrap;
  min-height: 44px;
  /* Touch-friendly minimum size */
}

.navbar .navbar-nav .nav-link:hover {
  color: var(--primary-green);
  background-color: rgba(74, 124, 89, 0.05);
  text-decoration: none;
}

.navbar .navbar-nav .nav-link.active {
  color: var(--primary-green);
  background-color: rgba(74, 124, 89, 0.1);
  font-weight: 600;
}

.navbar .navbar-nav .nav-link i {
  font-size: 0.875rem;
  /* Keep icons slightly smaller */
  width: 16px;
  text-align: center;
  margin-right: 0.5rem;
}

.navbar .navbar-nav .nav-link .nav-text {
  font-size: 1rem !important;
  /* Force 16px navigation font size */
  white-space: nowrap;
}

/* ==========================================================================
   Dropdown Menus - Enhanced Specificity and Touch-Friendly
   ========================================================================== */

.navbar .dropdown-menu {
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 0.5rem 0;
  margin-top: 0.25rem;
  min-width: 200px;
}

.navbar .dropdown-item {
  padding: 0.75rem 1rem;
  /* Increased padding for touch */
  font-size: 0.9375rem !important;
  /* Force 15px dropdown font size */
  color: var(--text-secondary);
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  min-height: 44px;
  /* Touch-friendly minimum size */
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
  background-color: rgba(74, 124, 89, 0.05);
  color: var(--primary-green);
  text-decoration: none;
}

.navbar .dropdown-item i {
  width: 16px;
  text-align: center;
  margin-right: 0.5rem;
  font-size: 0.875rem;
}

.navbar .dropdown-toggle::after {
  margin-left: 0.5rem;
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.navbar .dropdown-toggle[aria-expanded="true"]::after {
  transform: rotate(180deg);
}

/* ==========================================================================
   Navigation Buttons - Enhanced Specificity
   ========================================================================== */

.navbar .btn-primary {
  background-color: var(--primary-green);
  border-color: var(--primary-green);
  font-size: 1rem !important;
  /* Force 16px button font size */
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  min-height: 44px;
  /* Touch-friendly minimum size */
}

.navbar .btn-primary:hover {
  background-color: var(--primary-green-dark);
  border-color: var(--primary-green-dark);
}

.navbar .btn-outline-primary {
  color: var(--primary-green);
  border-color: var(--primary-green);
  font-size: 1rem !important;
  /* Force 16px button font size */
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
  min-height: 44px;
  /* Touch-friendly minimum size */
}

.navbar .btn-outline-primary:hover {
  background-color: var(--primary-green);
  border-color: var(--primary-green);
  color: white;
}

/* ==========================================================================
   Language Switcher and Navbar Text - Enhanced Specificity
   ========================================================================== */

.navbar .navbar-text {
  color: var(--text-muted);
  font-size: 0.9375rem !important;
  /* Force 15px navbar text font size */
  margin: 0;
  font-weight: 500;
}

.navbar .language-select-nav {
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 0.25rem 0.5rem;
  font-size: 0.9375rem !important;
  /* Force 15px language select font size */
  background-color: var(--bg-white);
  color: var(--text-secondary);
  margin-right: 0.5rem;
  min-height: 44px;
  /* Touch-friendly minimum size */
}

.navbar .language-select-nav:focus {
  border-color: var(--primary-green);
  box-shadow: 0 0 0 2px rgba(74, 124, 89, 0.1);
  outline: none;
}

.navbar .language-switcher-btn {
  min-height: 44px;
  /* Touch-friendly minimum size */
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.navbar .language-switcher-btn:hover {
  background-color: rgba(74, 124, 89, 0.05);
}

.navbar .language-switcher-btn .fi,
.language-dropdown .fi {
  width: 1.4em;
  height: 1.4em;
  border-radius: 3px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  vertical-align: middle;
}

/* ==========================================================================
   User Menu - Enhanced Specificity
   ========================================================================== */

.navbar .navbar-nav .user-menu .nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1rem !important;
  /* Force 16px user menu font size */
  min-height: 44px;
  /* Touch-friendly minimum size */
}

.navbar .navbar-nav .user-menu .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary-green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
}

.navbar .navbar-nav .user-menu .user-name {
  font-size: 1rem !important;
  /* Force 16px user name font size */
  font-weight: 500;
}

/* User Avatar Styles */
.navbar .user-avatar-small {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--primary-green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  font-weight: 600;
}

.navbar .user-avatar-small .avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

.navbar .user-avatar-medium {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary-green);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 600;
}

.navbar .user-avatar-medium .avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
}

/* User Dropdown Styles */
.navbar .user-dropdown {
  min-width: 320px;
  max-width: 400px;
  background-color: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 0;
  margin-top: 4px !important;
}

.navbar .user-dropdown .user-info-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background-color: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.navbar .user-dropdown .user-details {
  flex: 1;
}

.navbar .user-dropdown .user-name {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.navbar .user-dropdown .user-level {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.navbar .user-dropdown .xp-badge {
  background-color: var(--primary-green);
  color: white;
  padding: 0.125rem 0.375rem;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
}

.navbar .user-dropdown .dropdown-submenu .dropdown-header {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.5rem 1rem;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.navbar .user-dropdown .badge {
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  border-radius: 12px;
}

/* ==========================================================================
   Mobile Navigation - Enhanced Responsiveness for Task 2.1
   ========================================================================== */

@media (max-width: 991.98px) {
  .navbar {
    padding: 0.5rem 0;
  }

  .navbar-nav {
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    margin-top: 1rem;
    max-height: 70vh;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-green) var(--bg-light);
  }

  .navbar-nav::-webkit-scrollbar {
    width: 4px;
  }

  .navbar-nav::-webkit-scrollbar-track {
    background: var(--bg-light);
  }

  .navbar-nav::-webkit-scrollbar-thumb {
    background: var(--primary-green);
    border-radius: 2px;
  }

  .navbar .navbar-nav .nav-item {
    width: 100%;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  }

  .navbar .navbar-nav .nav-item:last-child {
    border-bottom: none;
  }

  .navbar .navbar-nav .nav-link {
    padding: 1rem;
    font-size: 1rem !important;
    /* Force 16px on mobile */
    border-radius: 0;
    margin: 0;
    justify-content: flex-start;
    min-height: 56px;
    /* Larger touch target on mobile */
    display: flex;
    align-items: center;
    width: 100%;
  }

  .navbar .navbar-nav .nav-link .nav-text {
    margin-left: 0.75rem;
    font-size: 1rem !important;
    /* Force 16px on mobile */
    flex: 1;
  }

  .navbar .navbar-nav .nav-link i {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
    margin-right: 0;
  }

  .navbar .navbar-nav .nav-link .dropdown-indicator {
    margin-left: auto;
    font-size: 0.875rem;
    transition: transform 0.3s ease;
  }

  /* Mobile Dropdown Menus */
  .navbar .dropdown-menu {
    position: static !important;
    float: none !important;
    width: 100% !important;
    margin-top: 0 !important;
    background-color: var(--bg-secondary) !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1) !important;
    padding: 0 !important;
    transform: none !important;
    left: auto !important;
    right: auto !important;
  }

  .navbar .dropdown-item {
    font-size: 0.9375rem !important;
    /* Force 15px on mobile */
    padding: 0.875rem 2rem !important;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    background-color: transparent;
    color: var(--text-secondary);
    min-height: 52px;
    /* Touch-friendly size */
    display: flex;
    align-items: center;
    width: 100%;
    text-align: left;
    border: none;
  }

  .navbar .dropdown-item:last-child {
    border-bottom: none;
  }

  .navbar .dropdown-item:hover,
  .navbar .dropdown-item:focus {
    background-color: rgba(74, 124, 89, 0.1) !important;
    color: var(--primary-green);
    text-decoration: none;
  }

  .navbar .dropdown-item i {
    margin-right: 0.75rem;
    width: 20px;
    text-align: center;
  }

  /* Mobile Priority System */
  .navbar .mobile-priority-high {
    order: 1;
  }

  .navbar .mobile-priority-medium {
    order: 2;
  }

  .navbar .mobile-priority-low {
    order: 3;
  }

  .navbar .mobile-more-menu {
    order: 4;
  }

  /* Mobile User Menu */
  .navbar .user-dropdown {
    position: static !important;
    float: none !important;
    width: 100% !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    margin-top: 0.5rem !important;
    background-color: var(--bg-white) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
    padding: 0.5rem 0 !important;
    max-height: none !important;
    overflow-y: visible !important;
    max-width: none !important;
    min-width: auto !important;
  }

  .navbar .user-dropdown .dropdown-header {
    background-color: var(--bg-secondary);
    padding: 1rem;
    margin: 0;
    border-bottom: 1px solid var(--border-color);
  }

  .navbar .user-dropdown .dropdown-item {
    padding: 0.875rem 1rem !important;
    font-size: 0.9375rem !important;
    color: var(--text-secondary);
    background-color: transparent;
    border: none;
    min-height: 52px;
  }

  .navbar .user-dropdown .dropdown-item:hover,
  .navbar .user-dropdown .dropdown-item:focus {
    background-color: rgba(74, 124, 89, 0.05);
    color: var(--primary-green);
  }

  .navbar .user-dropdown .dropdown-divider {
    margin: 0.5rem 0;
    border-color: var(--border-color);
  }

  .navbar .user-dropdown .dropdown-submenu .dropdown-header {
    background-color: transparent;
    padding: 0.75rem 1rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: none;
  }

  /* Language Dropdown Mobile Fix */
  .navbar .language-dropdown {
    position: static !important;
    float: none !important;
    width: auto !important;
    left: auto !important;
    right: auto !important;
    transform: none !important;
    margin-top: 0.5rem !important;
    background-color: var(--bg-white) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 8px !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1) !important;
  }

  /* Mobile Navigation Actions */
  .navbar-nav.ms-auto {
    border-top: 2px solid var(--border-color);
    margin-top: 1rem;
    padding-top: 1rem;
  }

  .navbar-nav.ms-auto .nav-item {
    border-bottom: none;
  }

  /* Mobile Buttons */
  .navbar .btn {
    width: 100%;
    margin-bottom: 0.5rem;
    min-height: 48px;
    font-size: 1rem !important;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* Extra Small Mobile Devices */
@media (max-width: 575.98px) {
  .navbar {
    padding: 0.375rem 0;
  }

  .navbar .navbar-brand {
    font-size: 1.125rem !important;
  }

  .navbar .navbar-nav .nav-link {
    padding: 0.875rem;
    font-size: 0.95rem !important;
    min-height: 52px;
  }

  .navbar .navbar-nav .nav-link .nav-text {
    margin-left: 0.5rem;
    font-size: 0.95rem !important;
  }

  .navbar .dropdown-item {
    padding: 0.75rem 1.5rem !important;
    font-size: 0.875rem !important;
    min-height: 48px;
  }

  .navbar-nav {
    max-height: 60vh;
  }

  .navbar-toggler {
    padding: 0.375rem 0.5rem;
    min-height: 40px;
    min-width: 40px;
  }
}

/* ==========================================================================
   Remove Underlines from All Links and Buttons
   ========================================================================== */

.navbar a,
.navbar button,
.navbar .nav-link,
.navbar .dropdown-item,
.navbar .btn {
  text-decoration: none !important;
}

.navbar a:hover,
.navbar button:hover,
.navbar .nav-link:hover,
.navbar .dropdown-item:hover,
.navbar .btn:hover {
  text-decoration: none !important;
}

.navbar a:focus,
.navbar button:focus,
.navbar .nav-link:focus,
.navbar .dropdown-item:focus,
.navbar .btn:focus {
  text-decoration: none !important;
}

.navbar a:active,
.navbar button:active,
.navbar .nav-link:active,
.navbar .dropdown-item:active,
.navbar .btn:active {
  text-decoration: none !important;
}

/* ==========================================================================
   Navigation Accessibility - Enhanced for Mobile
   ========================================================================== */

.navbar .navbar-nav .nav-link:focus,
.navbar .btn:focus {
  outline: 2px solid var(--primary-green);
  outline-offset: 2px;
  text-decoration: none !important;
}

.navbar .dropdown-item:focus {
  background-color: var(--bg-secondary);
  color: var(--primary-green);
  outline: 2px solid var(--primary-green);
  outline-offset: -2px;
  text-decoration: none !important;
}

/* Touch-friendly focus indicators for mobile */
@media (max-width: 991.98px) {

  .navbar .navbar-nav .nav-link:focus,
  .navbar .dropdown-item:focus {
    outline-width: 3px;
    outline-offset: -3px;
  }
}

/* ==========================================================================
   Navigation Loading States
   ========================================================================== */

.navbar .navbar-nav .nav-link.loading {
  opacity: 0.6;
  pointer-events: none;
}

.navbar .navbar-nav .nav-link.loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--primary-green);
  border-radius: 50%;
  border-top-color: transparent;
  animation: spin 1s linear infinite;
  margin-left: 0.5rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Help Navigation Button */
.help-nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: var(--text-secondary, #64748b);
  transition: background 0.2s, color 0.2s;
  font-size: 1.1rem;
}

.help-nav-btn:hover {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}