/* Header & Navigation Styling */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--panda-border);
  z-index: 900;
  transition: all var(--transition-fast);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  height: 72px;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* Header Left: Brand Logo & Nav Links */
.header-left {
  display: flex;
  align-items: center;
  gap: 36px;
  height: 100%;
}

.brand-logo-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-main-logo {
  height: 36px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: transform var(--transition-fast);
}

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

.brand-logo-icon {
  width: 48px;
  height: 48px;
  background-color: transparent;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.brand-logo-icon img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.brand-logo-icon svg {
  width: 30px;
  height: 30px;
  fill: #FFFFFF;
}

.brand-logo-wrap:hover .brand-logo-icon {
  transform: scale(1.06);
}

.brand-logo-text {
  display: flex;
  flex-direction: column;
}

.brand-logo-title {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--panda-dark-red);
  letter-spacing: -0.5px;
  line-height: 1;
}

.brand-logo-subtitle {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--panda-black);
  margin-top: 2px;
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 100%;
}

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

.nav-link {
  font-family: var(--font-brand);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--panda-black);
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--panda-red);
  transition: width var(--transition-fast);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--panda-red);
}

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

.nav-link.rewards-highlight {
  color: #B45309;
}

.nav-link.rewards-highlight:hover {
  color: var(--panda-red);
}

.dropdown-icon {
  width: 12px;
  height: 12px;
  fill: currentColor;
  transition: transform var(--transition-fast);
}

.nav-item:hover .dropdown-icon {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background-color: #FFFFFF;
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.14);
  padding: 12px 0;
  border: 1px solid var(--panda-border);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-fast);
  z-index: 950;
}

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

.dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--panda-black);
  transition: all var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--panda-cream);
  color: var(--panda-red);
  padding-left: 24px;
}

/* Header Right: Functions & CTAs */
.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.location-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background-color: var(--panda-light-gray);
  border-radius: 24px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--panda-black);
  transition: all var(--transition-fast);
}

.location-btn svg {
  width: 16px;
  height: 16px;
  fill: var(--panda-red);
}

.location-btn:hover {
  background-color: #E2E2E2;
}

.location-btn .store-subtext {
  display: block;
  font-size: 0.7rem;
  color: var(--panda-gray);
  font-weight: 500;
}

/* Bag Button */
.bag-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: 8px;
  transition: background-color var(--transition-fast);
  text-decoration: none;
}

.bag-btn:hover {
  background-color: var(--panda-cream);
}

.bag-icon-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.bag-icon-wrap svg {
  width: 24px;
  height: 24px;
  fill: var(--panda-dark-red);
}

.bag-count-badge {
  position: absolute;
  top: -4px;
  right: -8px;
  background-color: var(--panda-red);
  color: #FFFFFF;
  font-size: 0.7rem;
  font-weight: 800;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bag-details {
  display: flex;
  flex-direction: column;
}

.bag-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--panda-gray);
  line-height: 1;
}

.bag-total {
  font-size: 0.9rem;
  font-weight: 800;
  color: var(--panda-black);
  line-height: 1.2;
}

/* Order Header Button */
.header-order-btn {
  background-color: var(--panda-dark-red);
  color: #FFFFFF !important;
  font-family: var(--font-brand);
  font-weight: 800;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 10px 22px;
  border-radius: 6px;
  transition: all var(--transition-fast);
}

.header-order-btn:hover {
  background-color: var(--panda-red);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(135, 13, 8, 0.3);
}

/* Profile Account Button */
.account-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--panda-light-gray);
  color: var(--panda-black);
  transition: all var(--transition-fast);
}

.account-btn svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.account-btn:hover {
  background-color: var(--panda-dark-red);
  color: #FFFFFF;
}

/* Mobile Hamburger Button */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  border-radius: 6px;
  background-color: var(--panda-light-gray);
}

.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--panda-black);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Account Flyout Dialog */
.account-flyout {
  position: absolute;
  top: calc(var(--header-height) - 8px);
  right: 24px;
  width: 360px;
  background: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
  padding: 28px 24px;
  border: 1px solid var(--panda-border);
  z-index: 960;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: all var(--transition-smooth);
}

.account-flyout.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.flyout-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--panda-gray);
  transition: all var(--transition-fast);
}

.flyout-close:hover {
  background-color: var(--panda-light-gray);
  color: var(--panda-black);
}

.flyout-title {
  font-family: var(--font-brand);
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--panda-black);
  margin-bottom: 8px;
}

.flyout-desc {
  font-size: 0.9rem;
  color: var(--panda-gray);
  line-height: 1.45;
  margin-bottom: 20px;
}

.flyout-actions {
  display: flex;
  gap: 12px;
}

.flyout-actions .btn {
  flex: 1;
  padding: 10px 16px;
  font-size: 0.9rem;
}

/* Mobile Drawer */
.mobile-nav-drawer {
  position: fixed;
  top: var(--header-height-mobile);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height-mobile));
  background-color: #FFFFFF;
  z-index: 890;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform var(--transition-smooth);
  padding: 24px 20px;
  display: none;
}

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

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--panda-light-gray);
  padding-bottom: 14px;
}

.mobile-nav-item a {
  font-family: var(--font-brand);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--panda-black);
  display: block;
}

.mobile-subnav {
  margin-top: 10px;
  padding-left: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mobile-subnav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--panda-gray);
}

/* Responsive Media Queries */
@media (max-width: 1100px) {
  .nav-menu {
    gap: 18px;
  }
  .location-btn {
    display: none;
  }
}

@media (max-width: 900px) {
  .site-header {
    height: var(--header-height-mobile);
  }
  .nav-menu {
    display: none;
  }
  .bag-btn, .header-order-btn, .account-btn {
    display: none;
  }
  .mobile-menu-toggle {
    display: flex;
  }
  .mobile-nav-drawer {
    display: block;
  }
}