/* ==========================================================================
   HEADER STYLES - Navigation et branding
   ========================================================================== */

.header-main {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-normal);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.header-main.scrolled {
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  border-bottom: 1px solid rgba(255, 107, 107, 0.1);
  transform: translateY(0);
  transition: all 0.3s ease-out;
}

.navbar-brand {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary) !important;
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--secondary) !important;
}

.navbar-nav .nav-link {
  font-family: var(--font-accent);
  font-weight: 500;
  color: var(--neutral-dark) !important;
  margin: 0 var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md) !important;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
  color: var(--primary) !important;
  background: rgba(255, 107, 107, 0.1);
}

.navbar-nav .nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: all var(--transition-normal);
  transform: translateX(-50%);
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
  width: 80%;
}

/* Zone utilisateur */
.user-zone {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.search-container {
  position: relative;
}

.search-input {
  width: 0;
  opacity: 0;
  border: none;
  outline: none;
  background: var(--neutral-light);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xs) var(--spacing-sm);
  transition: all var(--transition-normal);
  font-family: var(--font-body);
}

.search-input.active {
  width: 200px;
  opacity: 1;
  margin-right: var(--spacing-sm);
}

.btn-icon {
  background: none;
  border: none;
  color: var(--neutral-dark);
  font-size: 1.25rem;
  padding: var(--spacing-xs);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  position: relative;
}

.btn-icon:hover {
  color: var(--primary);
  background: rgba(255, 107, 107, 0.1);
}

.cart-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* Menu mobile */
.navbar-toggler {
  border: none;
  padding: var(--spacing-xs);
  background: transparent;
}

.navbar-toggler:focus {
  box-shadow: none;
}

.navbar-toggler-icon {
  background-image: none;
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  position: relative;
  transition: all var(--transition-normal);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 3px;
  transition: all var(--transition-normal);
}

.navbar-toggler-icon::before {
  top: -8px;
}

.navbar-toggler-icon::after {
  bottom: -8px;
}

.navbar-toggler.collapsed .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler.collapsed .navbar-toggler-icon::before {
  transform: rotate(45deg);
  top: 0;
}

.navbar-toggler.collapsed .navbar-toggler-icon::after {
  transform: rotate(-45deg);
  bottom: 0;
}

/* Dropdown menus */
.dropdown-menu {
  border: none;
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

.dropdown-item {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  font-family: var(--font-body);
}

.dropdown-item:hover {
  background: rgba(255, 107, 107, 0.1);
  color: var(--primary);
}

/* Responsive */
@media (max-width: 991.98px) {
  .navbar-collapse {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    margin-top: var(--spacing-sm);
  }
  
  .navbar-nav .nav-link {
    margin: var(--spacing-xs) 0;
  }
  
  .user-zone {
    flex-direction: column;
    width: 100%;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--neutral-light);
  }
}

@media (max-width: 576px) {
  .navbar-brand {
    font-size: 1.5rem;
  }
  
  .search-input.active {
    width: 150px;
  }
}