/* Navigation-spezifische Styles */
.main-navigation {
  background-color: var(--color-navigation-background);
  height: 116px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1000;
}

/* Logo */
.navigation-logo {
  height: 90%;
  width: auto;
  flex-shrink: 0;
  position: absolute;
  left: 50px;
}

/* Navigation Links */
.navigation-links {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  justify-content: center;
  position: relative;
  margin: 0 auto;
}

.navigation-links .navigation-user {
  margin-left: auto;
}

/* Flaggen in der Navigation - ganz rechts im Header */
.navigation-links .language-selector {
  position: absolute;
  right: var(--spacing-lg);
  top: 50%;
  transform: translateY(-50%);
}

.navigation-link {
  color: var(--color-text-primary);
  text-decoration: none;
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60%;
  max-height: 70px;
  min-height: 40px;
}

.navigation-link:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}

.navigation-link.active {
  background-color: rgba(0, 123, 255, 0.2);
  color: var(--color-primary-light);
}

/* User Section */
.navigation-user {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.user-image {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-border-primary);
  transition: all 0.3s ease;
}

.user-image:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* Admin Dropdown */
.admin-dropdown {
  position: relative;
}

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

.admin-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-background-card);
  border: 1px solid var(--color-border-primary);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1001;
}

.admin-dropdown-item {
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--color-text-primary);
  text-decoration: none;
  font-size: var(--font-size-sm);
  border-bottom: 1px solid var(--color-border-primary);
  transition: background-color 0.3s ease;
}

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

.admin-dropdown-item:hover {
  background-color: var(--color-background-tertiary);
}

/* Logout Button */
.logout-button {
  background-color: var(--color-error);
  color: var(--color-text-primary);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 60%;
  max-height: 70px;
  min-height: 40px;
}

.logout-button:hover {
  background-color: #c82333;
  transform: translateY(-1px);
}

/* Professional Mobile Navigation */
.hamburger-menu {
  display: none;
  position: absolute;
  top: 50%;
  right: var(--spacing-lg);
  transform: translateY(-50%);
  z-index: 1000;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.85) 100%);
  backdrop-filter: blur(20px);
  border-radius: 16px;
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.12),
    0 4px 16px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  min-width: 56px;
  min-height: 56px;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  overflow: hidden;
}

.hamburger-menu::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    rgba(255, 255, 255, 0.6),
    rgba(255, 255, 255, 0.4),
    transparent
  );
  transition: left 0.6s ease;
}

.hamburger-menu:hover::before {
  left: 100%;
}

.hamburger-menu:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.15),
    0 6px 20px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  background: linear-gradient(135deg, rgba(255, 255, 255, 1) 0%, rgba(255, 255, 255, 0.95) 100%);
}

.hamburger-menu:active {
  transform: translateY(0) scale(0.98);
  transition: all 0.1s ease;
}

.hamburger-icon {
  width: 28px;
  height: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  position: relative;
  z-index: 2;
}

.hamburger-line {
  width: 22px;
  height: 3px;
  background: linear-gradient(90deg, #1a1a2e 0%, #4f46e5 50%, #1a1a2e 100%);
  border-radius: 2px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hamburger-menu.open .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
  background: linear-gradient(90deg, #ef4444 0%, #f97316 50%, #ef4444 100%);
}

.hamburger-menu.open .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scale(0);
}

.hamburger-menu.open .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
  background: linear-gradient(90deg, #ef4444 0%, #f97316 50%, #ef4444 100%);
}

/* Pulse animation for attention */
@keyframes hamburger-pulse {
  0%, 100% {
    box-shadow: 
      0 8px 32px rgba(0, 0, 0, 0.12),
      0 4px 16px rgba(0, 0, 0, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.2);
  }
  50% {
    box-shadow: 
      0 8px 32px rgba(79, 70, 229, 0.2),
      0 4px 16px rgba(79, 70, 229, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 0.3);
  }
}

.hamburger-menu:focus {
  animation: hamburger-pulse 2s ease-in-out infinite;
  outline: none;
}

/* Professional Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.9) 0%, rgba(26, 26, 46, 0.95) 100%);
  backdrop-filter: blur(20px);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-container {
  position: fixed;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: linear-gradient(180deg, 
    rgba(255, 255, 255, 0.95) 0%, 
    rgba(255, 255, 255, 0.9) 50%, 
    rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(30px);
  z-index: 1001;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: var(--spacing-xxl);
  box-shadow: 
    -10px 0 40px rgba(0, 0, 0, 0.2),
    -5px 0 20px rgba(0, 0, 0, 0.1),
    inset 1px 0 0 rgba(255, 255, 255, 0.2);
  border-left: 1px solid rgba(255, 255, 255, 0.3);
  overflow-y: auto;
}

.mobile-nav-container.open {
  transform: translateX(0);
}

.mobile-nav-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(249, 115, 22, 0.1) 100%);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 12px;
  cursor: pointer;
  color: #ef4444;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-nav-close:hover {
  background: linear-gradient(135deg, rgba(239, 68, 68, 0.2) 0%, rgba(249, 115, 22, 0.2) 100%);
  transform: scale(1.1);
  box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-nav-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-dark);
  background: linear-gradient(135deg, #1a1a2e 0%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.mobile-nav-link {
  padding: var(--spacing-lg) var(--spacing-xl);
  color: var(--color-text-dark);
  text-decoration: none;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  border-radius: 16px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.mobile-nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(79, 70, 229, 0.1), transparent);
  transition: left 0.5s ease;
}

.mobile-nav-link:hover::before {
  left: 100%;
}

.mobile-nav-link:hover {
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
  transform: translateX(8px) scale(1.02);
  box-shadow: 
    0 8px 25px rgba(79, 70, 229, 0.15),
    0 4px 12px rgba(79, 70, 229, 0.1);
  border-color: rgba(79, 70, 229, 0.3);
  color: #4f46e5;
}

.mobile-nav-link:active {
  transform: translateX(4px) scale(0.98);
  transition: all 0.1s ease;
}

/* Responsive Design - Mobile First Approach */

/* Mobile (max-width: 576px) */
@media (max-width: 576px) {
  .main-navigation {
    height: 90px;
    padding: 0 var(--spacing-md);
    background-color: var(--color-navigation-background);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .navigation-links {
    display: none;
  }
  
  .hamburger-menu {
    display: flex;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    min-width: 48px;
    min-height: 48px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  }
  
  .navigation-logo {
    left: var(--spacing-md);
    height: 75%;
    max-height: 60px;
  }
  
  .mobile-nav-container {
    width: 100%;
    padding: var(--spacing-lg);
    background: var(--color-background-primary);
  }
  
  .mobile-nav-links {
    margin-top: var(--spacing-xl);
  }
  
  .mobile-nav-link {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
  }
}

/* Tablet/iPad (600px–768px) */
@media (min-width: 577px) and (max-width: 768px) {
  .main-navigation {
    height: 100px;
    padding: 0 var(--spacing-md);
  }
  
  .navigation-links {
    display: none;
  }
  
  .hamburger-menu {
    display: flex;
    top: 50%;
    right: var(--spacing-md);
    transform: translateY(-50%);
    min-width: 48px;
    min-height: 48px;
  }
  
  .navigation-logo {
    left: var(--spacing-md);
    height: 80%;
  }
  
  .mobile-nav-container {
    width: 350px;
    padding: var(--spacing-lg);
  }
  
  .mobile-nav-links {
    margin-top: var(--spacing-xl);
  }
  
  .mobile-nav-link {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-lg);
  }
}

/* Kleiner Desktop/13-Zoll (1024px–1366px) */
@media (min-width: 769px) and (max-width: 1366px) {
  .main-navigation {
    height: 116px;
    padding: 0 var(--spacing-lg);
  }
  
  .navigation-links {
    display: flex;
    gap: 12px;
  }
  
  .hamburger-menu,
  .mobile-nav-overlay,
  .mobile-nav-container {
    display: none;
  }
  
  .navigation-logo {
    left: 40px;
    height: 90%;
  }
  
  .navigation-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-sm);
  }
}

/* Großer Desktop/Widescreen (min-width: 1440px) */
@media (min-width: 1440px) {
  .main-navigation {
    height: 116px;
    padding: 0 var(--spacing-xl);
  }
  
  .navigation-links {
    display: flex;
    gap: 15px;
  }
  
  .hamburger-menu,
  .mobile-nav-overlay,
  .mobile-nav-container {
    display: none;
  }
  
  .navigation-logo {
    left: 50px;
    height: 90%;
  }
  
  .navigation-link {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}