/* Mobile Navigation Enhancement CSS */

/* CSS Custom Properties for consistent theming and animation timing */
:root {
  /* Animation timing */
  --mobile-nav-transition-duration: 300ms;
  --mobile-nav-transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
  --mobile-icon-transition-duration: 200ms;
  --mobile-search-transition-duration: 250ms;
  
  /* Colors */
  --mobile-nav-bg: #009267;
  --mobile-nav-text: #ffffff;
  --mobile-nav-text-hover: #e5e7eb;
  --mobile-nav-border: #10b981;
  
  /* Spacing and sizing */
  --mobile-touch-target-size: 44px;
  --mobile-nav-padding: 1rem;
  --mobile-nav-gap: 0.5rem;
  
  /* Z-index layers */
  --mobile-nav-z-index: 50;
  --mobile-search-z-index: 40;
}

/* Ensure no horizontal overflow on mobile */
@media (max-width: 767px) {
  body {
    overflow-x: hidden;
  }
  
  .container {
    max-width: 100vw;
    padding-left: 1rem;
    padding-right: 1rem;
  }
}

/* Mobile Navigation Container */
.mobile-nav-container {
  position: relative;
  width: 100%;
  max-width: 100vw;
  overflow: hidden;
}

/* Mobile Menu Button Enhancements */
.mobile-menu-button {
  position: relative;
  width: var(--mobile-touch-target-size);
  height: var(--mobile-touch-target-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--mobile-nav-text);
  cursor: pointer;
  transition: all var(--mobile-icon-transition-duration) var(--mobile-nav-transition-timing);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-menu-button:hover,
.mobile-menu-button:focus {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 0.375rem;
  outline: none;
}

.mobile-menu-button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

/* Hamburger Icon Animation */
.hamburger-icon {
  position: relative;
  width: 24px;
  height: 18px;
  transform: rotate(0deg);
  transition: all var(--mobile-icon-transition-duration) var(--mobile-nav-transition-timing);
}

.hamburger-icon span {
  display: block;
  position: absolute;
  height: 2px;
  width: 100%;
  background: var(--mobile-nav-text);
  border-radius: 1px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  transition: all var(--mobile-icon-transition-duration) var(--mobile-nav-transition-timing);
  will-change: transform, opacity;
}

.hamburger-icon span:nth-child(1) {
  top: 0px;
  transform-origin: left center;
}

.hamburger-icon span:nth-child(2) {
  top: 8px;
  transform-origin: left center;
}

.hamburger-icon span:nth-child(3) {
  top: 16px;
  transform-origin: left center;
}

/* Hamburger to X transformation */
.mobile-menu-button.active .hamburger-icon span:nth-child(1) {
  transform: rotate(45deg);
  top: 0px;
  left: 4px;
}

.mobile-menu-button.active .hamburger-icon span:nth-child(2) {
  width: 0%;
  opacity: 0;
}

.mobile-menu-button.active .hamburger-icon span:nth-child(3) {
  transform: rotate(-45deg);
  top: 16px;
  left: 4px;
}

/* Mobile Search Button */
.mobile-search-button {
  width: var(--mobile-touch-target-size);
  height: var(--mobile-touch-target-size);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  color: var(--mobile-nav-text);
  cursor: pointer;
  transition: all var(--mobile-icon-transition-duration) var(--mobile-nav-transition-timing);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-search-button:hover,
.mobile-search-button:focus {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 0.375rem;
  outline: none;
}

.mobile-search-button:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
}

/* Mobile Menu Animations */
.mobile-menu {
  background-color: var(--mobile-nav-bg);
  overflow: hidden;
  transition: all var(--mobile-nav-transition-duration) var(--mobile-nav-transition-timing);
  transform-origin: top;
  will-change: transform, opacity, max-height;
}

.mobile-menu.hidden {
  max-height: 0;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

.mobile-menu:not(.hidden) {
  max-height: 500px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Mobile Search Bar Animations */
.mobile-search-bar {
  background-color: var(--mobile-nav-bg);
  overflow: hidden;
  transition: all var(--mobile-search-transition-duration) var(--mobile-nav-transition-timing);
  transform-origin: top;
  will-change: transform, opacity, max-height;
}

.mobile-search-bar.hidden {
  max-height: 0;
  opacity: 0;
  transform: translateY(-5px);
  pointer-events: none;
}

.mobile-search-bar:not(.hidden) {
  max-height: 100px;
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Mobile Menu Links */
.mobile-menu-link {
  display: block;
  padding: 0.75rem 0;
  color: var(--mobile-nav-text);
  font-weight: 500;
  text-decoration: none;
  transition: color var(--mobile-nav-transition-duration) var(--mobile-nav-transition-timing);
  min-height: var(--mobile-touch-target-size);
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-menu-link:hover,
.mobile-menu-link:focus {
  color: var(--mobile-nav-text-hover);
  outline: none;
}

.mobile-menu-link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

/* Mobile Categories Section */
.mobile-categories {
  border-top: 1px solid var(--mobile-nav-border);
  padding-top: 0.75rem;
  margin-top: 0.75rem;
}

.mobile-categories-title {
  color: var(--mobile-nav-text);
  font-weight: 600;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mobile-category-link {
  display: block;
  padding: 0.5rem 0 0.5rem 1rem;
  color: var(--mobile-nav-text);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--mobile-nav-transition-duration) var(--mobile-nav-transition-timing);
  min-height: 40px;
  display: flex;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.mobile-category-link:hover,
.mobile-category-link:focus {
  color: var(--mobile-nav-text-hover);
  outline: none;
}

.mobile-category-link:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.5);
  outline-offset: 2px;
  border-radius: 0.25rem;
}

/* GPU Acceleration for better performance */
.mobile-menu,
.mobile-search-bar,
.hamburger-icon,
.hamburger-icon span {
  transform: translateZ(0);
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Responsive breakpoint handling at 768px */
@media (min-width: 768px) {
  .mobile-menu,
  .mobile-search-bar,
  .mobile-menu-button,
  .mobile-search-button {
    display: none !important;
  }
}

@media (max-width: 767px) {
  /* Ensure proper mobile layout */
  .desktop-nav {
    display: none !important;
  }
  
  .mobile-controls {
    display: flex !important;
    align-items: center;
    gap: var(--mobile-nav-gap);
  }
  
  /* Prevent horizontal overflow */
  .navbar-container {
    max-width: 100vw;
    overflow-x: hidden;
  }
  
  /* Logo sizing for mobile */
  .mobile-logo {
    max-width: 70px;
    height: auto;
  }
}

/* Reduced motion preferences support */
@media (prefers-reduced-motion: reduce) {
  .mobile-menu,
  .mobile-search-bar,
  .hamburger-icon,
  .hamburger-icon span,
  .mobile-menu-button,
  .mobile-search-button,
  .mobile-menu-link,
  .mobile-category-link {
    transition: none !important;
    animation: none !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .mobile-menu-button:focus,
  .mobile-search-button:focus,
  .mobile-menu-link:focus,
  .mobile-category-link:focus {
    outline: 3px solid currentColor;
    outline-offset: 2px;
  }
}

/* Dark mode support (if needed in future) */
@media (prefers-color-scheme: dark) {
  :root {
    --mobile-nav-text-hover: #d1d5db;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .mobile-menu-button:hover,
  .mobile-search-button:hover,
  .mobile-menu-link:hover,
  .mobile-category-link:hover {
    background-color: transparent;
  }
  
  .mobile-menu-button:active,
  .mobile-search-button:active {
    background-color: rgba(255, 255, 255, 0.2);
  }
}

/* Landscape mobile orientation */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-menu {
    max-height: 300px;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* Very small screens (320px and below) */
@media (max-width: 320px) {
  :root {
    --mobile-nav-padding: 0.75rem;
    --mobile-nav-gap: 0.25rem;
  }
  
  .mobile-logo {
    max-width: 60px;
  }
  
  .mobile-menu-button,
  .mobile-search-button {
    width: 40px;
    height: 40px;
  }
}

#search-results,
#mobile-search-results {
  z-index: 99999 !important;
}