/**
 * =============================================================================
 * PROFESSIONAL BASE NAVBAR STYLING (Mobile menu & mobile search styles REMOVED)
 * Only desktop / shared styles retained. All selectors starting with .mobile- or .navpro- removed.
 * =============================================================================
 */

/* CSS Custom Properties – colours now come from the central theme bridge (theme.css) */
:root {
  /* Navbar Dimensions */
  --navbar-height: 80px;
  --navbar-height-mobile: 70px;
  --navbar-padding: 0 2rem;
  --navbar-padding-mobile: 0 1rem;
  --navbar-gap: 1.5rem;
  --navbar-gap-mobile: 1rem;

  /* Glass-effect helpers */
  --navbar-bg-glass: rgba(255, 255, 255, 0.08);
  --navbar-bg-hover: rgba(255, 255, 255, 0.12);
  --navbar-bg-active: var(--z-accent-glow);

  /* Shadows */
  --navbar-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
  --navbar-shadow-scrolled: 0 6px 24px rgba(0, 0, 0, 0.25);
  --navbar-shadow-glow: var(--z-shadow-glow);

  /* Animation */
  --navbar-transition: all 0.3s cubic-bezier(0.165, 0.84, 0.44, 1);
  --navbar-transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --navbar-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Z-index layers */
  --navbar-z-index: 1030;
  --navbar-dropdown-z-index: 1040;
  --navbar-overlay-z-index: 1050;
}

/* Dark mode adjustments – bg/text/border colours handled by theme bridge */

/* ========== MAIN NAVBAR CONTAINER ========== */
#mainNavbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  /* overflow must stay visible so dropdowns can extend below the navbar */
  overflow: visible;
  box-sizing: border-box;
  height: var(--navbar-height);
  background: var(--navbar-bg);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border-bottom: 1px solid var(--navbar-border);
  box-shadow: var(--navbar-shadow);
  transition: var(--navbar-transition);
  z-index: 1030;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  padding: 0;
}
#mainNavbar *, #mainNavbar *::before, #mainNavbar *::after {
  box-sizing: border-box;
}

/* Scrolled state with enhanced effects */
#mainNavbar.scrolled {
  height: calc(var(--navbar-height) - 5px);
  background: var(--navbar-bg-scrolled);
  box-shadow: var(--navbar-shadow-scrolled);
  border-bottom-color: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Enhanced background effects */
.nav-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: -1;
}

.nav-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--z-accent-glow) 0%, 
    transparent 50%, 
    var(--z-glass) 100%);
  opacity: 0.6;
}

.nav-pattern {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 2px 2px, rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 24px 24px;
  opacity: 0.3;
  animation: patternMove 60s linear infinite;
}

@keyframes patternMove {
  0% { transform: translate(0, 0); }
  100% { transform: translate(24px, 24px); }
}

.nav-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: conic-gradient(from 0deg, 
    transparent, 
    var(--z-accent-glow), 
    transparent, 
    var(--z-glass), 
    transparent);
  animation: glowRotate 120s linear infinite;
  opacity: 0.4;
}

@keyframes glowRotate {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========== NAVIGATION CONTAINER ========== */
.nav-container {
  display: flex;
  z-index: 2 !important;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
  padding: var(--navbar-padding);
  gap: var(--navbar-gap);
  position: relative;
  overflow: visible;
}

/* ========== BRAND (DESKTOP SHARED) ========== */
.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: inherit;
  transition: var(--navbar-transition);
  outline: none;
}

.brand-link:focus-visible {
  outline: 2px solid var(--navbar-text-hover);
  outline-offset: 4px;
  border-radius: 8px;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-container {
  position: relative;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: linear-gradient(135deg, 
    var(--z-accent-glow), 
    var(--z-accent-glow));
  border: 1px solid var(--z-border-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: var(--navbar-transition);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.logo-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(255, 255, 255, 0.2), 
    transparent);
  opacity: 0;
  transition: opacity var(--navbar-transition);
}

.brand-link:hover .logo-container {
  background: linear-gradient(135deg, 
    var(--z-border-accent), 
    var(--z-accent-glow));
  border-color: var(--z-border-accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--z-border-accent);
}

.brand-link:hover .logo-container::before {
  opacity: 1;
}

.brand-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  transition: var(--navbar-transition);
  filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.brand-link:hover .brand-logo {
  transform: scale(1.05);
}

.logo-shine {
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: linear-gradient(45deg, 
    transparent 30%, 
    rgba(255, 255, 255, 0.3) 50%, 
    transparent 70%);
  transform: rotate(45deg);
  transition: transform var(--navbar-transition);
  opacity: 0;
}

.brand-link:hover .logo-shine {
  animation: logoShine 0.8s ease-out;
}

@keyframes logoShine {
  0% { 
    transform: translateX(-200%) translateY(-200%) rotate(45deg);
    opacity: 0;
  }
  50% { 
    opacity: 1;
  }
  100% { 
    transform: translateX(200%) translateY(200%) rotate(45deg);
    opacity: 0;
  }
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navbar-text-active);
  line-height: 1.2;
  background: linear-gradient(135deg, #ffffff, var(--z-text));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: var(--navbar-transition);
}

.brand-link:hover .brand-name {
  background: linear-gradient(135deg, var(--z-accent-light), var(--z-accent-light));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px var(--z-accent-glow);
}

.brand-tagline {
  font-size: 0.75rem;
  color: var(--navbar-text-secondary);
  font-weight: 500;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: color var(--navbar-transition);
}

.brand-link:hover .brand-tagline {
  color: var(--navbar-text-hover);
}

/* ========== DESKTOP NAVIGATION ========== */
.desktop-nav {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  height: 100%;
  gap: var(--navbar-gap);
  min-width: 0;
}

/* Navigation Brand (Desktop) */
.nav-brand {
  flex: 0 0 auto;
}

/* Search Wrapper — matched by both class and id */
.nav-search-wrapper,
#navSearchWrapper {
  flex: 1 1 0;
  max-width: 560px;
  min-width: 160px;
  margin: 0;
  position: relative;
}

/* Navigation Links */
.nav-links {
  flex: 0 0 auto;
  overflow: visible;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  height: 100%;
}

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

.nav-link {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  color: var(--navbar-text);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.85rem;
  border-radius: 10px;
  transition: var(--navbar-transition);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  background: var(--navbar-bg-glass);
  border: 1px solid transparent;
  backdrop-filter: blur(10px);
  outline: none;
}

.nav-link:focus-visible {
  outline: 2px solid var(--navbar-text-hover);
  outline-offset: 2px;
}

.nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--z-accent-glow), 
    var(--z-accent-glow));
  opacity: 0;
  transition: opacity var(--navbar-transition);
}

.nav-link:hover {
  color: var(--navbar-text-hover);
  background: var(--navbar-bg-active);
  border-color: var(--navbar-border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--z-border-accent);
}

.nav-link:hover::before {
  opacity: 1;
}

.nav-link i {
  font-size: 1rem;
  transition: transform var(--navbar-transition);
  position: relative;
  z-index: 1;
}

.nav-link:hover i {
  transform: scale(1.1);
}

.nav-link span {
  position: relative;
  z-index: 1;
}

/* Dropdown arrow */
.dropdown-arrow {
  font-size: 0.75rem;
  transition: transform var(--navbar-transition);
  position: relative;
  z-index: 1;
}

.nav-link[aria-expanded="true"] .dropdown-arrow {
  transform: rotate(180deg);
}

/* Link glow effect */
.link-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, 
    var(--z-border-accent) 0%, 
    transparent 70%);
  opacity: 0;
  transition: opacity var(--navbar-transition);
  pointer-events: none;
}

.nav-link:hover .link-glow {
  opacity: 1;
}

/* Special create button styling */
.create-btn {
  background: linear-gradient(135deg, var(--z-accent-light), var(--z-accent-light));
  color: #000 !important;
  font-weight: 600;
  border: none;
  box-shadow: 0 4px 14px var(--z-border-accent);
}

.create-btn:hover {
  background: linear-gradient(135deg, var(--z-accent-light), var(--z-accent));
  color: #000 !important;
  transform: translateY(-3px);
  box-shadow: 0 12px 30px var(--z-accent-glow);
}

/* ========== USER NAVIGATION ========== */
.nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  margin-left: auto;
  height: 100%;
}

/* Icon Group */
.nav-icon-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-icon-item {
  position: relative;
}

.icon-btn {
  position: relative;
  width: 38px;
  height: 38px;
  background: var(--navbar-bg-glass);
  border: 1px solid var(--navbar-border);
  border-radius: 10px;
  color: var(--navbar-text);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--navbar-transition);
  overflow: hidden;
  cursor: pointer;
  outline: none;
}

.icon-btn:focus-visible {
  outline: 2px solid var(--navbar-text-hover);
  outline-offset: 2px;
}

.icon-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    var(--z-accent-glow), 
    var(--z-accent-glow));
  opacity: 0;
  transition: opacity var(--navbar-transition);
}

.icon-btn:hover {
  background: var(--navbar-bg-active);
  border-color: var(--navbar-border-hover);
  color: var(--navbar-text-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--z-border-accent);
}

.icon-btn:hover::before {
  opacity: 1;
}

.icon-btn i {
  font-size: 1.1rem;
  transition: transform var(--navbar-transition);
  position: relative;
  z-index: 1;
}

.icon-btn:hover i {
  transform: scale(1.1);
}

/* Notification Indicators */
.indicator {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 20px;
  height: 20px;
  background: linear-gradient(135deg, var(--z-danger), var(--z-danger));
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--z-glass);
  box-shadow: 0 2px 8px var(--z-danger);
  animation: indicatorPulse 2s infinite;
  z-index: 10;
}

@keyframes indicatorPulse {
  0%, 100% { 
    transform: scale(1);
    box-shadow: 0 2px 8px var(--z-danger);
  }
  50% { 
    transform: scale(1.1);
    box-shadow: 0 4px 16px var(--z-danger);
  }
}

/* Icon Ripple Effect */
.icon-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: var(--z-border-accent);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--navbar-transition-fast);
  pointer-events: none;
}

.icon-btn:active .icon-ripple {
  width: 50px;
  height: 50px;
}

/* ========== AUTH BUTTONS ========== */
.nav-auth {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 12px;
}

.auth-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  transition: var(--navbar-transition);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  outline: none;
}

.auth-btn:focus-visible {
  outline: 2px solid var(--navbar-text-hover);
  outline-offset: 2px;
}

.login-btn {
  color: var(--navbar-text);
  background: var(--navbar-bg-glass);
  border-color: var(--navbar-border);
}

.login-btn:hover {
  background: var(--navbar-bg-hover);
  border-color: var(--navbar-border-hover);
  color: var(--navbar-text-active);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.1);
}

.register-btn {
  background: linear-gradient(135deg, var(--z-accent-light), var(--z-accent-light));
  color: #000;
  border: none;
  box-shadow: 0 4px 14px var(--z-border-accent);
}

.register-btn:hover {
  background: linear-gradient(135deg, var(--z-accent-light), var(--z-accent));
  color: #000;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--z-accent-glow);
}

/* Button Ripple Effect */
.btn-ripple {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: all var(--navbar-transition-fast);
  pointer-events: none;
}

.auth-btn:active .btn-ripple {
  width: 100px;
  height: 100px;
}

/* ========== RESPONSIVE DESIGN ========== */
@media (min-width: 992px) {
  .mobile-header {
    display: none !important;
  }
  
  .desktop-nav {
    display: flex !important;
  }
}

@media (max-width: 1199px) {
  :root {
    --navbar-gap: 0.75rem;
    --navbar-padding: 0 1rem;
  }

  .nav-search-wrapper,
  #navSearchWrapper {
    max-width: 280px;
    min-width: 120px;
  }

  .nav-brand {
    /* no width restriction at this breakpoint — brand text may hide via brand-tagline */
  }

  .nav-link {
    padding: 7px 10px;
    font-size: 0.8rem;
    gap: 5px;
  }

  .icon-btn {
    width: 36px;
    height: 36px;
  }

  .nav-icon-group {
    gap: 4px;
  }
}

@media (max-width: 991px) {
  :root {
    --navbar-height: var(--navbar-height-mobile);
    --navbar-padding: var(--navbar-padding-mobile);
    --navbar-gap: var(--navbar-gap-mobile);
  }
  
  .desktop-nav {
    display: none !important;
  }
  
  .mobile-header {
    display: flex !important;
  }
  
  #mainNavbar.scrolled {
    height: calc(var(--navbar-height-mobile) - 5px);
  }
}

@media (max-width: 767px) {
  .nav-container {
    padding: 0 1rem;
  }
  
  .mobile-menu {
    width: 100vw;
    max-width: none;
  }
  
  .mobile-actions {
    gap: 6px;
  }
  
  .mobile-action-btn {
    width: 40px;
    height: 40px;
    border-radius: 10px;
  }
  
  .brand-name {
    font-size: 1.25rem;
  }
  
  .brand-tagline {
    font-size: 0.7rem;
  }
  
  .logo-container {
    width: 42px;
    height: 42px;
  }
  
  .brand-logo {
    width: 28px;
    height: 28px;
  }
}

@media (max-width: 479px) {
  .nav-container {
    padding: 0 0.75rem;
    gap: 0.75rem;
  }
  
  .logo-container {
    width: 40px;
    height: 40px;
  }
  
  .brand-logo {
    width: 26px;
    height: 26px;
  }
  
  .mobile-action-btn {
    width: 38px;
    height: 38px;
  }
  
  .mobile-menu-toggle {
    width: 42px;
    height: 42px;
  }
  
  .brand-text {
    display: none;
  }
}

/* ========== ACCESSIBILITY ENHANCEMENTS ========== */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .nav-pattern {
    animation: none;
  }
  
  .nav-glow {
    animation: none;
  }
  
  .logo-shine {
    animation: none;
  }
  
  .indicator {
    animation: none;
  }
}

@media (prefers-contrast: high) {
  .nav-link,
  .icon-btn,
  .auth-btn {
    border-width: 2px;
  }
  
  /* mobile overlay removed */
}

/* mobile overlay focus trap removed */

/* ========== PERFORMANCE OPTIMIZATIONS ========== */
.nav-container {
  contain: layout style;
  will-change: transform;
}

/* mobile overlay performance hints removed */

.nav-link,
.icon-btn {
  contain: layout paint;
}

/* ========== PRINT STYLES ========== */
@media print {
  #mainNavbar {
    display: none !important;
  }
}

/* ========== UTILITY CLASSES ========== */
.navbar-scroll-locked {
  overflow: hidden !important;
}

.navbar-transitioning {
  pointer-events: none;
}

/* Force proper z-index stacking */
#mainNavbar {
  z-index: var(--navbar-z-index) !important;
}

/* mobile overlay z-index removed */

/* Ensure body has proper top padding for fixed navbar */
body {
  padding-top: var(--navbar-height)!important;
}

@media (max-width: 991px) {
  body {
    padding-top: var(--navbar-height-mobile);
  }
}

/* ========== ENHANCED ANIMATIONS ========== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes bounceIn {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
  70% {
    transform: scale(0.9);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

/* Apply animations to nav items */
.nav-item {
  animation: slideInRight 0.6s ease-out backwards;
}

.nav-item:nth-child(1) { animation-delay: 0.1s; }
.nav-item:nth-child(2) { animation-delay: 0.2s; }
.nav-item:nth-child(3) { animation-delay: 0.3s; }
.nav-item:nth-child(4) { animation-delay: 0.4s; }
.nav-item:nth-child(5) { animation-delay: 0.5s; }

.nav-icon-item {
  animation: bounceIn 0.8s ease-out backwards;
}

.nav-icon-item:nth-child(1) { animation-delay: 0.6s; }
.nav-icon-item:nth-child(2) { animation-delay: 0.7s; }
.nav-icon-item:nth-child(3) { animation-delay: 0.8s; }

/* Loading state for navbar */
.navbar-loading {
  pointer-events: none;
}
.navbar-loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}