/*
===========================================
GRAIN MENU - RESPONSIVE ENHANCEMENTS
===========================================
*/

/* Mobile Menu Toggle Button */
.mobile-menu-toggle {
  display: none;
  width: 100%;
  background-color: #fecc07;
  color: var(--color-primary);
  border: none;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--font-size-md);
  cursor: pointer;
  margin-bottom: var(--space-lg);
  transition: var(--transition-base);
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-sm);
  -webkit-transition: var(--transition-base);
  -moz-transition: var(--transition-base);
  -ms-transition: var(--transition-base);
  -o-transition: var(--transition-base);
}

.mobile-menu-toggle:hover {
  background-color: #e6b706;
  box-shadow: var(--shadow-md);
}

.mobile-menu-toggle:active {
  transform: scale(0.98);
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}

.mobile-menu-toggle.active svg {
  transform: rotate(180deg);
}

/* Enhanced Menu Browser Layout */
.menu-browser-section {
  background-color: var(--color-background);
  overflow: hidden;
  position: relative;
}

/* Sticky Sidebar Enhancement */
@media screen and (min-width: 992px) {
  .menu-sidebar {
    position: sticky;
    top: 0px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #fecc07 var(--color-gray-200);
  }
  
  .menu-sidebar::-webkit-scrollbar {
    width: 6px;
  }
  
  .menu-sidebar::-webkit-scrollbar-track {
    background: var(--color-gray-200);
    border-radius: var(--radius-sm);
  }
  
  .menu-sidebar::-webkit-scrollbar-thumb {
    background-color: #fecc07;
    border-radius: var(--radius-sm);
  }
}

/* Category Navigation Enhancements */
.category-link {
  position: relative;
  overflow: hidden;
}

.category-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: #fecc0720;
  transition: left 0.3s ease;
}

.category-link:hover::before {
  left: 0;
}

/* Menu Item Card Enhancements */
.menu-item-card {
  position: relative;
  overflow: hidden;
}

.menu-item-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, transparent 0%, #fecc0710 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.menu-item-card:hover::after {
  opacity: 1;
}

/* Responsive Breakpoints */

/* Large Desktop (1600px+) */
@media screen and (min-width: 1600px) {
  .menu-browser-layout {
    grid-template-columns: 320px 1fr;
    gap: var(--space-lg);
    max-width: 1600px;
    margin: 0 auto;
  }
  
  .menu-items-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl) var(--space-2xl);
  }
  
  .menu-item-image {
    width: 200px;
  }
}

/* Desktop (1200px - 1599px) */
@media screen and (max-width: 1599px) and (min-width: 1200px) {
  .menu-browser-layout {
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl);
  }
  
  .menu-items-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .menu-item-card {
    max-width: 800px;
  }
  
  .menu-item-image {
    width: 240px;
  }
}

/* Tablet Landscape (992px - 1199px) */
@media screen and (max-width: 1199px) and (min-width: 992px) {
  .menu-browser-layout {
    grid-template-columns: 240px 1fr;
    gap: var(--space-lg);
  }
  
  .menu-sidebar {
    padding: var(--space-lg);
  }
  
  .sidebar-title {
    font-size: var(--font-size-lg);
  }
  
  .category-link {
    font-size: var(--font-size-sm);
    padding: var(--space-sm) var(--space-md);
  }
  
  .menu-content {
    padding: var(--space-xl);
  }
  
  .menu-items-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .menu-item-image {
    width: 200px;
  }
}

/* Tablet Portrait & Mobile Landscape (768px - 991px) */
@media screen and (max-width: 991px) {
  .menu-browser-layout {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .menu-sidebar {
    position: relative;
    top: auto;
    max-height: none;
    margin-bottom: var(--space-lg);
  }
  
  .mobile-menu-toggle {
    display: flex;
  }
  
  .sidebar-title {
    display: none;
  }
  
  .category-nav {
    display: none;
    flex-wrap: wrap;
    gap: var(--space-sm);
  }
  
  .category-nav.active {
    display: flex;
    animation: slideDown 0.3s ease-out;
  }
  
  @keyframes slideDown {
    from {
      opacity: 0;
      max-height: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      max-height: 1000px;
      transform: translateY(0);
    }
  }
  
  .category-link {
    flex: 0 1 calc(50% - var(--space-sm));
    text-align: center;
  }
  
  .category-link:hover {
    padding-left: var(--space-lg);
  }
  
  .menu-content {
    padding: var(--space-xl);
  }
  
  .menu-items-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .menu-item-card {
    flex-direction: column;
  }
  
  .menu-item-image {
    width: 100%;
    height: 250px;
  }
  
  .menu-item-info {
    padding: var(--space-lg);
  }
}

/* Mobile Portrait (480px - 767px) */
@media screen and (max-width: 767px) {
  .container-full {
    padding: 0 var(--space-lg);
  }
  
  .menu-sidebar {
    padding: var(--space-md);
    border-radius: var(--radius-md);
  }
  
  .mobile-menu-toggle {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-base);
  }
  
  .category-link {
    flex: 0 1 100%;
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
  }
  
  .menu-content {
    padding: var(--space-lg);
    border-radius: var(--radius-md);
  }
  
  .category-title {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
  }
  
  .menu-items-grid {
    gap: var(--space-md);
  }
  
  .menu-item-card {
    box-shadow: var(--shadow-sm);
  }
  
  .menu-item-image {
    height: 200px;
  }
  
  .menu-item-info {
    padding: var(--space-md);
  }
  
  .menu-item-name {
    font-size: var(--font-size-lg);
  }
  
  .menu-item-description {
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-md);
  }
  
  .nutrition-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-sm);
  }
}

/* Small Mobile (320px - 479px) */
@media screen and (max-width: 479px) {
  .container-full {
    padding: 0 var(--space-sm);
  }
  
  .menu-browser-layout {
    gap: var(--space-sm);
  }
  
  .menu-sidebar {
    padding: var(--space-sm);
    margin-bottom: var(--space-sm);
  }
  
  .mobile-menu-toggle {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
  }
  
  .mobile-menu-toggle svg {
    width: 20px;
    height: 20px;
  }
  
  .category-nav {
    gap: var(--space-xs);
  }
  
  .category-link {
    padding: var(--space-xs) var(--space-sm);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
  }
  
  .menu-content {
    padding: var(--space-sm);
  }
  
  .category-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    letter-spacing: 0.5px;
  }
  
  .menu-items-grid {
    gap: var(--space-sm);
  }
  
  .menu-item-card {
    border-radius: var(--radius-md);
  }
  
  .menu-item-image {
    height: 150px;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  }
  
  .menu-item-info {
    padding: var(--space-sm);
  }
  
  .menu-item-name {
    font-size: var(--font-size-md);
    margin-bottom: var(--space-xs);
  }
  
  .menu-item-description {
    font-size: var(--font-size-xs);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
  }
  
  .menu-item-nutrition {
    padding-top: var(--space-xs);
  }
  
  .nutrition-grid {
    gap: var(--space-xs);
  }
  
  .nutrition-item {
    padding: var(--space-xs);
    border-radius: var(--radius-xs);
  }
  
  .nutrition-item .nutrition-label {
    font-size: 10px;
    margin-bottom: 2px;
  }
  
  .nutrition-item .nutrition-value {
    font-size: var(--font-size-sm);
  }
}

/* Touch Device Enhancements */
@media (hover: none) and (pointer: coarse) {
  .category-link:active {
    background-color: #fecc0730;
    transform: scale(0.98);
  }
  
  .menu-item-card:active {
    transform: scale(0.98);
  }
}

/* Print Styles */
@media print {
  .mobile-menu-toggle,
  .menu-sidebar {
    display: none !important;
  }
  
  .menu-browser-layout {
    display: block !important;
  }
  
  .menu-category-section {
    display: block !important;
    page-break-inside: avoid;
  }
  
  .menu-item-card {
    page-break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--color-gray-300);
  }
}

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

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .category-link {
    border: 2px solid transparent;
  }
  
  .category-link:focus,
  .category-link:hover {
    border-color: currentColor;
  }
  
  .category-link.active {
    border-color: currentColor;
    text-decoration: underline;
  }
  
  .menu-item-card {
    border: 2px solid currentColor;
  }
}

/* Dark Mode Support (if needed in the future) */
@media (prefers-color-scheme: dark) {
  /* Add dark mode styles here when implemented */
}