/* ========================================
   SLIDE-IN MOBILE MENU SYSTEM
   Right-to-Left with Smooth Transitions
   ======================================== */

/* Mobile Menu Backdrop Overlay */
.menu-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1),
              visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 998;
}

.menu-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu Enhancements for Slide-In */
@media (max-width: 768px) {
  /* Override existing nav-links styles for slide-in behavior */
  .nav-links {
    display: flex !important; /* Always rendered, positioned off-screen */
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    left: auto !important;
    width: 85% !important;
    max-width: 400px !important;
    height: 100vh;
    background: var(--bg-main, #FFFFFF);
    flex-direction: column;
    padding: 5rem 2rem 2rem 2rem !important;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  /* Menu Links Styling */
  .nav-links a,
  .nav-links .nav-item {
    width: 100% !important;
    padding: 1rem 1.25rem !important;
    margin: 0.25rem 0 !important;
    font-size: 1.1rem !important;
    border-radius: 8px !important;
    transition: all 0.2s ease !important;
    display: block !important;
    text-align: left !important;
  }

  .nav-links a:hover,
  .nav-links a:active {
    background: var(--bg-secondary, #F8F9FA);
    transform: translateX(-4px);
  }

  .nav-links a.active {
    background: var(--primary-light, #3385FF);
    color: var(--text-on-primary, #FFFFFF);
  }

  .nav-links a.nav-cta {
    margin-top: 1rem;
    padding: 1rem 1.25rem !important;
    background: linear-gradient(135deg, var(--primary, #0066FF) 0%, var(--primary-dark, #0052CC) 100%);
    color: var(--text-on-primary, #FFFFFF);
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 102, 255, 0.3);
    min-height: 48px;
    display: flex !important;
    align-items: center;
    justify-content: center;
  }

  .nav-links a.nav-cta:hover {
    transform: translateX(-4px) scale(1.02);
    box-shadow: 0 6px 20px rgba(0, 102, 255, 0.4);
  }

  /* Hide dividers on mobile */
  .nav-links .nav-divider {
    display: none !important;
  }

  /* Ensure nav-links container itself has proper padding */
  #navLinks {
    width: 100% !important;
    gap: 0 !important;
  }
}

/* Hamburger to X Animation */
@media (max-width: 768px) {
  .mobile-menu-toggle {
    position: relative;
    z-index: 1001;
    transition: transform 0.3s ease;
  }

  .mobile-menu-toggle span {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
  }

  /* When menu is active, transform hamburger to X */
  .mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
  }

  .mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
  }

  .mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
  }
}

/* Prevent body scroll when menu is open */
body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

/* Close button inside menu (optional) */
.menu-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--text-secondary, #6B7280);
  cursor: pointer;
  padding: 0.5rem;
  line-height: 1;
  transition: color 0.2s ease;
  z-index: 1002;
}

.menu-close:hover {
  color: var(--text-primary, #1A1D23);
}

/* Cart Badge in Menu */
@media (max-width: 768px) {
  .nav-links .nav-cart-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
  }

  .nav-links .cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
  }
}

/* Tablet Breakpoint (769px - 968px) */
@media (min-width: 769px) and (max-width: 968px) {
  .nav-links {
    display: flex !important;
    position: fixed !important;
    top: 0 !important;
    right: 0 !important;
    left: auto !important;
    width: 60% !important;
    max-width: 400px !important;
    height: 100vh;
    background: var(--bg-main, #FFFFFF);
    flex-direction: column;
    padding: 5rem 2rem 2rem 2rem !important;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transform: translateX(100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
    overflow-y: auto;
  }

  .nav-links.active {
    transform: translateX(0);
  }

  .mobile-menu-toggle {
    display: block;
  }
}

/* Smooth Animations */
@media (prefers-reduced-motion: reduce) {
  .nav-links,
  .menu-backdrop,
  .mobile-menu-toggle span {
    transition: none;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .menu-backdrop {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: none;
  }
}

/* ========================================
   MOBILE ACCORDION DROPDOWN STYLES
   For nested navigation on mobile
   ======================================== */
@media (max-width: 768px) {
  /* Mobile: Accordion-style expandable menu - Tire Kingdom Inspired */
  .nav-item-wrapper {
    width: 100%;
    display: block;
  }

  .nav-item {
    width: 100% !important;
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    text-align: left !important;
    border-bottom: 1px solid var(--card-border, #E5E8EB);
    margin: 0 !important;
    padding: 1.5rem 1.5rem !important;
    padding-right: 3.5rem !important;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    position: relative;
  }

  .nav-item.has-submenu {
    cursor: pointer;
    justify-content: space-between !important;
  }

  .submenu-arrow, .nested-arrow {
    transition: transform 0.3s ease;
    margin-left: auto !important;
    flex-shrink: 0;
    position: absolute;
    right: 1.5rem;
  }

  .nav-item-wrapper.mobile-expanded .submenu-arrow {
    transform: rotate(180deg);
  }

  /* Mobile Submenu */
  .submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    padding: 0;
    margin: 0;
    background: rgb(249, 250, 251);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-item-wrapper.mobile-expanded .submenu {
    max-height: 600px;
  }

  .submenu-item {
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 1.25rem 2.5rem !important;
    font-size: 0.8rem;
    font-weight: 400;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    border-left: 3px solid transparent;
    text-transform: none;
  }

  .submenu-item:hover, .submenu-item:active {
    background: white;
    border-left-color: var(--primary, #0066FF);
  }

  /* Nested submenu parent styling */
  .submenu-item.has-nested {
    text-transform: none;
    letter-spacing: normal;
  }

  .submenu-item-wrapper.mobile-expanded .nested-arrow {
    transform: rotate(90deg);
  }

  /* Mobile Nested Dropdown */
  .submenu-item-wrapper {
    width: 100%;
  }

  .nested-submenu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
    background: white;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .submenu-item-wrapper.mobile-expanded .nested-submenu {
    max-height: 300px;
  }

  .nested-submenu-item {
    padding: 1.25rem 2.5rem 1.25rem 3.5rem !important;
    border-left: 3px solid transparent;
    font-size: 0.75rem;
    font-weight: 400;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    text-transform: none;
  }

  .nested-submenu-item:hover, .nested-submenu-item:active {
    background: rgb(249, 250, 251);
    border-left-color: var(--primary, #0066FF);
  }
}