/* Header & Sticky Navigation V2 */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(250, 249, 246, 0.7);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  height: var(--header-height);
  display: flex;
  align-items: center;
  transition: all var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(250, 249, 246, 0.9);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo {
  font-family: var(--font-primary);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo span {
  color: var(--color-text-dark);
}

.nav-links {
  display: none;
}

@media (min-width: 1024px) {
  .nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
  }
}

.nav-link {
  font-weight: 500;
  color: var(--color-text-dark);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width var(--transition-normal);
  border-radius: var(--radius-full);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.icon-btn {
  width: clamp(40px, 4vw, 48px);
  height: clamp(40px, 4vw, 48px);
  min-width: 44px;
  min-height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--color-text-dark);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  position: relative;
}

.icon-btn:hover {
  background-color: var(--color-warm-gray);
  color: var(--color-primary);
}

/* User Dropdown */
.user-dropdown {
  position: relative;
}

.user-dropdown-menu {
  position: absolute;
  top: 100%;
  right: 0;
  width: 200px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
}

.user-dropdown:hover .user-dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.user-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-weight: 500;
}

.user-dropdown-menu a:hover {
  background-color: var(--color-warm-gray);
  color: var(--color-accent);
}

/* Mega Menu */
.nav-item-mega {
  position: relative;
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: -200px;
  width: 800px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--spacing-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-xl);
  z-index: 999;
}

.nav-item-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mega-menu-column h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-dark);
}

.mega-menu-column a {
  display: block;
  padding: var(--spacing-xs) 0;
  color: var(--color-text-muted);
}

.mega-menu-column a:hover {
  color: var(--color-accent);
  transform: translateX(4px);
}

.mega-menu-banner {
  background: var(--color-soft-blue);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.cart-badge {
  position: absolute;
  top: 0px;
  right: -2px;
  background-color: var(--color-error);
  color: var(--color-white);
  font-size: 0.75rem;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--color-white);
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: block;
}

@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }
}

/* Footer Layout */
.footer {
  background-color: var(--color-white);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
  border-top: 1px solid var(--color-warm-gray);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-brand p {
  margin-top: var(--spacing-md);
  max-width: 300px;
}

.footer-socials {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.footer-social-link {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-warm-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer-social-link:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid var(--color-warm-gray);
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* Search Bar (Header) */
.search-bar {
  display: none;
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 var(--spacing-xl);
}

@media (min-width: 768px) {
  .search-bar {
    display: block;
  }
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-warm-gray);
  transition: box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.search-input:focus {
  background-color: var(--color-white);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
}

/* Mobile Bottom Navigation (V2) */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
  padding: 12px 24px calc(12px + env(safe-area-inset-bottom));
  z-index: 9999;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 -10px 40px rgba(0,0,0,0.05);
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  gap: 4px;
  position: relative;
  transition: color var(--transition-fast);
  min-width: 48px;
  min-height: 48px;
}

.mobile-nav-item.active {
  color: var(--color-accent);
}

.mobile-nav-item i {
  font-size: 1.5rem;
}

@media (max-width: 767px) {
  .mobile-bottom-nav {
    display: flex;
  }
  
  /* Add padding to body so content isn't hidden behind bottom nav */
  body {
    padding-bottom: 80px;
  }
  
  /* Hide standard header icons on mobile if bottom nav handles them */
  .header-actions .icon-btn:not(.menu-toggle):not(.cart-toggle) {
    display: none;
  }
}