/* ===== Navigation Component ===== */
.navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background-color: var(--navbar-bg);
  box-shadow: var(--navbar-shadow);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-medium);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--navbar-height);
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-4);
  position: relative;
}

/* ===== Brand ===== */
.nav-brand {
  display: flex;
  align-items: center;
  z-index: var(--z-dropdown);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-family-heading);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-sage);
  transition: var(--transition-all);
}

.brand-link:hover {
  color: var(--primary-sage-dark);
  transform: translateY(-1px);
}

.brand-text {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* ===== Navigation Menu ===== */
.nav-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--navbar-bg);
  border-top: 1px solid var(--neutral-medium);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
}

.nav-menu.active {
  display: block;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
}

.nav-item {
  width: 100%;
}

.nav-link {
  display: block;
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  position: relative;
}

.nav-link:hover {
  color: var(--primary-sage);
  background-color: var(--primary-sage-50);
}

.nav-link.active {
  color: var(--primary-sage);
  background-color: var(--primary-sage-50);
  font-weight: var(--font-weight-semibold);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: var(--space-1);
  left: var(--space-4);
  right: var(--space-4);
  height: 2px;
  background-color: var(--primary-sage);
  border-radius: var(--radius-full);
}

/* ===== Navigation Actions ===== */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  z-index: var(--z-dropdown);
}

/* ===== Cart Link ===== */
.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background-color: var(--neutral-light);
  border-radius: var(--radius-full);
  transition: var(--transition-all);
  font-size: var(--font-size-lg);
}

.cart-link:hover {
  background-color: var(--primary-sage-50);
  color: var(--primary-sage);
  transform: translateY(-1px);
}

.cart-badge {
  position: absolute;
  top: -0.25rem;
  right: -0.25rem;
  background-color: var(--secondary-terracotta);
  color: var(--neutral-white);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-full);
  min-width: 1.25rem;
  height: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
}

.cart-badge:empty {
  display: none;
}

/* ===== Auth Section ===== */
.nav-auth-section {
  display: flex;
  gap: var(--space-3);
}

.nav-auth-section .btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
}

.nav-auth-section .btn:focus-visible {
  outline: 1px solid var(--primary-orange);
  outline-offset: 1px;
}

.nav-auth-section .btn:focus:not(:focus-visible) {
  outline: none;
}


/* ===== User Menu ===== */
.user-menu {
  position: relative;
}

.user-dropdown {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(135deg, var(--neutral-light), var(--neutral-medium));
  border: 1px solid var(--neutral-medium);
  border-radius: var(--radius-lg);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  transition: var(--transition-all);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.user-dropdown:hover {
  background: linear-gradient(135deg, var(--primary-orange-50), var(--primary-orange-100));
  color: var(--primary-orange);
  border-color: var(--primary-orange-200);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.dropdown-arrow {
  font-size: var(--font-size-xs);
  transition: var(--transition-all);
}

.user-menu:hover .dropdown-arrow {
  transform: rotate(180deg);
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + var(--space-3));
  right: 0;
  background-color: var(--neutral-white);
  border: 1px solid var(--neutral-medium);
  border-radius: var(--radius-xl);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  min-width: 14rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px) scale(0.95);
  transition: all 0.2s ease-in-out;
  z-index: var(--z-dropdown);
  overflow: hidden;
}

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

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  transition: var(--transition-all);
  border-bottom: 1px solid var(--neutral-light);
}

.dropdown-item:last-child {
  border-bottom: none;
}

.dropdown-item:hover {
  background: linear-gradient(135deg, var(--primary-orange-50), var(--primary-orange-100));
  color: var(--primary-orange);
  padding-left: var(--space-5);
}

.dropdown-item:first-child:hover {
  background: linear-gradient(135deg, var(--secondary-sage-50), var(--secondary-sage-100));
  color: var(--secondary-sage);
}

.dropdown-item:first-child {
  margin-top: 0;
}

.dropdown-item:last-child {
  margin-bottom: 0;
}

/* ===== Mobile Menu Toggle ===== */
.mobile-menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 3px;
  cursor: pointer;
  padding: var(--space-2);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  z-index: var(--z-dropdown);
}

.mobile-menu-toggle:hover {
  background-color: var(--neutral-light);
}

.mobile-menu-toggle span {
  width: 20px;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-all);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

/* ===== Tablet Styles (768px+) ===== */
@media (min-width: 768px) {
  .nav-menu {
    display: block;
    position: static;
    background-color: transparent;
    border: none;
    box-shadow: none;
  }

  .nav-list {
    flex-direction: row;
    gap: var(--space-1);
    padding: 0;
  }

  .nav-item {
    width: auto;
  }

  .nav-link {
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-md);
  }

  .nav-link.active::after {
    left: var(--space-4);
    right: var(--space-4);
  }

  .mobile-menu-toggle {
    display: none;
  }

  .nav-auth-section .btn {
    padding: var(--space-2) var(--space-4);
    font-size: var(--font-size-sm);
  }
}

/* ===== Desktop Styles (1024px+) ===== */
@media (min-width: 1024px) {
  .nav-container {
    padding: 0 var(--space-6);
  }

  .nav-list {
    gap: var(--space-2);
  }

  .nav-actions {
    gap: var(--space-4);
  }

  .nav-auth-section .btn {
    padding: var(--space-3) var(--space-5);
    font-size: var(--font-size-base);
  }
}