/**
 * VETERANS CLAIMS EASY - SIMPLE NAVIGATION SYSTEM
 * Built from scratch - clean, functional, no conflicts
 */

/* ===== VARIABLES ===== */
:root {
  --eagle-blue: #1C3A5B;
  --copper: #B87333;
  --burgundy: #9B1C31;
  --white: #ffffff;
  --light-gray: #f8fafc;
  --nav-height: 70px;
  --nav-z: 1000;
  --dropdown-z: 1010;
  --mobile-z: 1020;
}

/* ===== RESET ===== */
.nav-header * {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== HEADER ===== */
.nav-header {
  position: sticky;
  top: 0;
  background: linear-gradient(135deg, var(--eagle-blue) 0%, #2C4A6B 100%);
  border-bottom: 3px solid var(--copper);
  height: var(--nav-height);
  z-index: var(--nav-z);
  box-shadow: 0 4px 20px rgba(28, 58, 91, 0.3);
  transition: height 0.3s ease;
}

/* Taller header for homepage to accommodate larger logo */
body:not([class*="page-"]) .nav-header,
.homepage .nav-header {
  height: 95px;
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  height: 100%;
}

/* ===== BRAND ===== */
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--white);
  text-decoration: none;
  transition: all 0.3s ease;
}

.nav-brand:hover {
  transform: translateY(-1px);
  opacity: 0.95;
}

.nav-logo {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  object-fit: contain;
  background: white;
  padding: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

/* Larger logo for homepage */
body:not([class*="page-"]) .nav-logo,
.homepage .nav-logo {
  width: 70px;
  height: 70px;
  padding: 8px;
  border-radius: 14px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.nav-brand-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}

.nav-brand-text p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.8);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* ===== DESKTOP NAVIGATION ===== */
.nav-menu {
  display: flex;
  align-items: center;
  list-style: none;
  gap: 0.5rem;
}

.nav-item {
  position: relative;
}

/* Extend hover area for better dropdown interaction */
.nav-item:hover {
  z-index: calc(var(--dropdown-z) + 1);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  border-radius: 8px;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.nav-link:hover,
.nav-link:focus {
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(184, 115, 51, 0.3);
}

.nav-link i {
  font-size: 1rem;
  width: 16px;
  text-align: center;
}

/* ===== DROPDOWN ===== */
.nav-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border: 1px solid #e5e7eb;
  padding: 8px 0;
  min-width: 240px;
  z-index: var(--dropdown-z);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
  pointer-events: none;
}

/* Create invisible hover bridge to prevent dropdown from disappearing */
.nav-dropdown::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 12px;
  background: transparent;
  z-index: var(--dropdown-z);
}

/* Enhanced hover states with better timing */
.nav-item:hover .nav-dropdown,
.nav-dropdown:hover {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

/* Add slight delay when leaving to prevent accidental closure */
.nav-item .nav-dropdown {
  transition-delay: 0.15s;
}

.nav-item:hover .nav-dropdown {
  transition-delay: 0s;
}

.nav-dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 12px 16px;
  color: #374151;
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-dropdown-item:hover {
  background: linear-gradient(135deg, var(--light-gray) 0%, #f1f5f9 100%);
  color: var(--eagle-blue);
  transform: translateX(4px);
}

.nav-dropdown-item i {
  font-size: 0.875rem;
  width: 16px;
  text-align: center;
  color: var(--copper);
}

.nav-dropdown-item:hover i {
  color: var(--eagle-blue);
}

/* Ensure dropdown stays open when focusing on dropdown items */
.nav-dropdown-item:focus {
  background: linear-gradient(135deg, var(--light-gray) 0%, #f1f5f9 100%);
  color: var(--eagle-blue);
  transform: translateX(4px);
}

.nav-dropdown-item:focus i {
  color: var(--eagle-blue);
}

/* Keep dropdown visible when any dropdown item has focus */
.nav-dropdown:focus-within,
.nav-item:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
  transition-delay: 0s;
}

/* ===== AUTH ACTIONS ===== */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-auth-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  transition: all 0.3s ease;
  backdrop-filter: blur(20px);
}

.nav-auth-link:hover {
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
  color: var(--white);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(184, 115, 51, 0.3);
}

/* ===== ENHANCED MOBILE TOGGLE ===== */
.nav-mobile-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 12px;
  cursor: pointer;
  padding: 0;
  backdrop-filter: blur(20px);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.nav-mobile-toggle::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--copper) 0%, transparent 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: -1;
}

.nav-mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.nav-mobile-toggle:hover::before {
  opacity: 0.1;
}

.nav-mobile-toggle.active {
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
  transform: translateY(0);
  box-shadow: 0 4px 20px rgba(184, 115, 51, 0.3);
}

.nav-mobile-toggle.active::before {
  opacity: 0;
}

.nav-hamburger {
  display: flex;
  flex-direction: column;
  gap: 4px;
  position: relative;
  width: 24px;
  height: 18px;
}

.nav-hamburger-line {
  width: 24px;
  height: 3px;
  background: var(--white);
  border-radius: 2px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  transform-origin: center;
  position: absolute;
}

.nav-hamburger-line:nth-child(1) {
  top: 0;
}

.nav-hamburger-line:nth-child(2) {
  top: 50%;
  transform: translateY(-50%);
}

.nav-hamburger-line:nth-child(3) {
  bottom: 0;
}

/* Enhanced hamburger to X animation */
.nav-mobile-toggle.active .nav-hamburger-line:nth-child(1) {
  top: 50%;
  transform: translateY(-50%) rotate(45deg);
}

.nav-mobile-toggle.active .nav-hamburger-line:nth-child(2) {
  opacity: 0;
  transform: translateY(-50%) scale(0);
}

.nav-mobile-toggle.active .nav-hamburger-line:nth-child(3) {
  bottom: 50%;
  transform: translateY(50%) rotate(-45deg);
}

/* ===== ENHANCED FULL-SCREEN MOBILE MENU ===== */
.nav-mobile {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--eagle-blue) 0%, #1a2f4a 50%, #2C4A6B 100%);
  backdrop-filter: blur(30px);
  transform: translateY(-100%);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: var(--mobile-z);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  visibility: hidden;
  opacity: 0;
  will-change: transform, opacity;
}

/* Animated background pattern */
.nav-mobile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(184, 115, 51, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(155, 28, 49, 0.08) 0%, transparent 50%),
    linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.02) 50%, transparent 70%);
  animation: backgroundShift 20s ease-in-out infinite;
  pointer-events: none;
}

@keyframes backgroundShift {
  0%, 100% { transform: translateX(0) translateY(0); }
  25% { transform: translateX(-10px) translateY(-5px); }
  50% { transform: translateX(5px) translateY(-10px); }
  75% { transform: translateX(-5px) translateY(5px); }
}

.nav-mobile.active {
  transform: translateY(0);
  visibility: visible;
  opacity: 1;
}

/* Mobile menu header */
.nav-mobile-header {
  position: sticky;
  top: 0;
  background: rgba(28, 58, 91, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 10;
}

.nav-mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
  text-decoration: none;
}

.nav-mobile-brand img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.nav-mobile-brand-text h2 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--white);
  margin: 0;
  line-height: 1.2;
}

.nav-mobile-brand-text p {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-mobile-close {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: var(--white);
  font-size: 18px;
}

.nav-mobile-close:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.05);
}

.nav-mobile-content {
  padding: 32px 24px 40px;
  min-height: calc(100vh - 80px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Mobile menu sections */
.nav-mobile-section {
  margin-bottom: 32px;
}

.nav-mobile-section-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 16px;
  padding: 0 4px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-mobile-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--copper) 0%, transparent 100%);
}

.nav-mobile-item {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  color: rgba(255, 255, 255, 0.95);
  text-decoration: none;
  font-size: 17px;
  font-weight: 500;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(20px);
  margin-bottom: 12px;
  position: relative;
  overflow: hidden;
  min-height: 56px;
}

/* Hover effect background */
.nav-mobile-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
  transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: -1;
}

.nav-mobile-item:hover::before,
.nav-mobile-item:focus::before {
  left: 0;
}

.nav-mobile-item:hover,
.nav-mobile-item:focus {
  color: var(--white);
  transform: translateX(12px) scale(1.02);
  box-shadow: 0 8px 32px rgba(184, 115, 51, 0.25);
  border-color: rgba(255, 255, 255, 0.2);
}

.nav-mobile-item:active {
  transform: translateX(8px) scale(0.98);
}

.nav-mobile-item i {
  font-size: 22px;
  color: var(--copper);
  width: 28px;
  text-align: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.nav-mobile-item:hover i,
.nav-mobile-item:focus i {
  color: var(--white);
  transform: scale(1.1);
}

.nav-mobile-item span {
  flex: 1;
  font-weight: 500;
}

/* Enhanced mobile menu authentication items */
.nav-mobile-auth {
  background: rgba(184, 115, 51, 0.12);
  border-color: rgba(184, 115, 51, 0.25);
  position: relative;
}

.nav-mobile-auth::before {
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
}

.nav-mobile-auth i {
  color: var(--copper);
}

.nav-mobile-admin {
  background: rgba(155, 28, 49, 0.12);
  border-color: rgba(155, 28, 49, 0.25);
}

.nav-mobile-admin::before {
  background: linear-gradient(135deg, var(--burgundy) 0%, #B8243A 100%);
}

.nav-mobile-admin i {
  color: var(--burgundy);
}

.nav-mobile-logout {
  background: rgba(155, 28, 49, 0.15);
  border-color: rgba(155, 28, 49, 0.3);
  border: 1px solid rgba(155, 28, 49, 0.3);
  cursor: pointer;
  font-family: inherit;
  width: 100%;
  text-align: left;
  position: relative;
}

.nav-mobile-logout::before {
  background: linear-gradient(135deg, var(--burgundy) 0%, #B8243A 100%);
}

.nav-mobile-logout i {
  color: var(--burgundy);
}

/* User profile section in mobile menu */
.nav-mobile-user-section {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 24px;
  margin-bottom: 32px;
  backdrop-filter: blur(20px);
}

.nav-mobile-user-info {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.nav-mobile-user-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--copper) 0%, #D4A574 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 20px;
  font-weight: 600;
}

.nav-mobile-user-details h3 {
  color: var(--white);
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 4px 0;
}

.nav-mobile-user-details p {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  margin: 0;
}

.nav-mobile-user-badge {
  display: inline-block;
  background: var(--copper);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-mobile-user-badge.admin {
  background: var(--burgundy);
}

/* ===== RESPONSIVE DESIGN ===== */

/* Mobile First - Base styles for mobile devices */
@media (max-width: 480px) {
  /* Extra small mobile devices */
  .nav-container {
    padding: 0 0.75rem;
  }

  .nav-brand-text h1 {
    font-size: 1rem;
    line-height: 1.1;
  }

  .nav-brand-text p {
    font-size: 0.625rem;
    letter-spacing: 0.25px;
  }

  .nav-logo {
    width: 32px;
    height: 32px;
  }

  .nav-auth {
    gap: 4px;
  }

  .nav-auth-link {
    min-width: 48px;
    min-height: 48px;
    padding: 12px 8px;
    font-size: 12px;
  }

  .nav-mobile-item {
    padding: 18px 20px;
    font-size: 18px;
    min-height: 56px;
  }

  .nav-mobile-item i {
    font-size: 22px;
    width: 28px;
  }
}

/* Enhanced mobile responsiveness */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
  }

  .nav-mobile-toggle {
    display: flex;
    min-width: 48px;
    min-height: 48px;
  }

  .nav-auth-link span {
    display: none;
  }

  .nav-auth-link {
    min-width: 48px;
    min-height: 48px;
    justify-content: center;
    padding: 12px;
  }

  /* Enhanced mobile menu items */
  .nav-mobile-item {
    min-height: 56px;
    padding: 18px 24px;
    font-size: 17px;
    margin-bottom: 12px;
  }

  .nav-mobile-item i {
    font-size: 22px;
    width: 28px;
  }

  /* Hide dropdowns on mobile - use mobile menu instead */
  .nav-dropdown {
    display: none !important;
  }

  /* Optimize mobile menu performance */
  .nav-mobile {
    will-change: transform, opacity;
    -webkit-overflow-scrolling: touch;
  }

  /* Mobile menu content optimization */
  .nav-mobile-content {
    padding: 32px 24px 40px;
  }

  /* Reduce animations on smaller screens for performance */
  .nav-mobile::before {
    animation-duration: 30s;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .nav-mobile-content {
    padding: 24px 20px 32px;
  }

  .nav-mobile-item {
    padding: 16px 20px;
    font-size: 16px;
    min-height: 52px;
  }

  .nav-mobile-item i {
    font-size: 20px;
    width: 24px;
  }

  .nav-mobile-user-section {
    padding: 20px;
    margin-bottom: 24px;
  }

  .nav-mobile-user-avatar {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }

  /* Disable background animation on very small screens */
  .nav-mobile::before {
    animation: none;
  }
}

/* Large mobile / Small tablet */
@media (min-width: 481px) and (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-brand-text h1 {
    font-size: 1.125rem;
  }

  .nav-brand-text p {
    font-size: 0.6875rem;
  }

  .nav-logo {
    width: 36px;
    height: 36px;
  }

  .nav-auth {
    gap: 6px;
  }
}

/* Tablet portrait */
@media (min-width: 769px) and (max-width: 900px) {
  .nav-container {
    padding: 0 1.25rem;
  }

  .nav-menu {
    gap: 0.25rem;
  }

  .nav-link {
    padding: 0.625rem 0.75rem;
    font-size: 15px;
  }

  .nav-auth-link {
    padding: 8px 12px;
    font-size: 13px;
  }

  .nav-dropdown {
    min-width: 200px;
  }

  .nav-dropdown-item {
    padding: 10px 12px;
    font-size: 15px;
  }
}

/* Tablet landscape / Small desktop */
@media (min-width: 901px) and (max-width: 1024px) {
  .nav-menu {
    gap: 0.375rem;
  }

  .nav-link {
    padding: 0.75rem 0.875rem;
    font-size: 15px;
  }

  .nav-dropdown {
    min-width: 220px;
  }

  .nav-dropdown-item {
    padding: 10px 14px;
    font-size: 15px;
  }
}

/* Medium desktop */
@media (min-width: 1025px) and (max-width: 1200px) {
  .nav-menu {
    gap: 0.5rem;
  }

  .nav-link {
    padding: 0.75rem 1rem;
    font-size: 16px;
  }
}

/* Large desktop and above */
@media (min-width: 1201px) {
  .nav-container {
    padding: 0 2rem;
  }

  .nav-menu {
    gap: 0.75rem;
  }

  .nav-link {
    padding: 0.875rem 1.25rem;
  }
}

/* Hide mobile elements on desktop */
@media (min-width: 769px) {
  .nav-mobile-toggle {
    display: none;
  }

  .nav-mobile {
    display: none;
  }
}

/* Touch device improvements */
@media (hover: none) and (pointer: coarse) {
  /* On touch devices, make dropdowns click-based instead of hover */
  .nav-item:hover .nav-dropdown {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
  }

  /* Add click behavior via JavaScript for touch devices */
  .nav-item.touch-active .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .nav-dropdown {
    border: 2px solid;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  }

  .nav-dropdown-item:hover,
  .nav-dropdown-item:focus {
    outline: 2px solid;
    outline-offset: -2px;
  }
}

/* ===== ACCESSIBILITY ===== */
.nav-link:focus,
.nav-auth-link:focus,
.nav-mobile-toggle:focus,
.nav-dropdown-item:focus {
  outline: 2px solid var(--copper);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}