/* ========================================
   APPLE GLASSMORPHISM DESIGN SYSTEM
   Professional & Elegant Style Sheet
========================================= */

/* ========================================
   ROOT VARIABLES & GLOBAL SETTINGS
========================================= */
:root {
  /* Primary Color Palette */
  --primary-blue: #007AFF;
  --primary-blue-light: #5AC8FA;
  --primary-blue-dark: #0051D5;
  
  /* Neutral Grays */
  --gray-900: #1C1C1E;
  --gray-800: #2C2C2E;
  --gray-700: #3A3A3C;
  --gray-600: #48484A;
  --gray-500: #636366;
  --gray-400: #8E8E93;
  --gray-300: #AEAEB2;
  --gray-200: #C7C7CC;
  --gray-100: #F2F2F7;
  --gray-50: #F9F9FB;
  
  /* Glass Effects */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-light: rgba(255, 255, 255, 0.15);
  --glass-bg-dark: rgba(0, 0, 0, 0.05);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: rgba(0, 0, 0, 0.1);
  
  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'SF Pro Display', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing System */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.4s ease-out;
}

/* ========================================
   GLOBAL RESET & BASE STYLES
========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--gray-900);
  background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
  background-attachment: fixed;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}



/* Spectacular Product Card Effects */
.item-box::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, 
    #64748b, 
    #94a3b8, 
    #64748b);
  background-size: 300% 100%;
  opacity: 0;
  transition: all 0.4s ease;
  animation: colorShift 3s ease-in-out infinite;
}

.item-box:hover::before {
  opacity: 1;
}

.item-box::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, 
    rgba(100, 116, 139, 0.03) 0%,
    transparent 50%,
    rgba(100, 116, 139, 0.03) 100%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: var(--radius-xl);
}

.item-box:hover::after {
  opacity: 1;
}

@keyframes colorShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes productGlow {
  0%, 100% { 
    box-shadow: 
      0 10px 40px rgba(71, 85, 105, 0.15),
      0 4px 20px rgba(71, 85, 105, 0.1);
  }
  50% { 
    box-shadow: 
      0 15px 60px rgba(71, 85, 105, 0.2),
      0 6px 30px rgba(71, 85, 105, 0.15);
  }
}

.item-box:hover {
  animation: productGlow 2s ease-in-out infinite;
}

/* Enhanced Button Effects */
.item-button {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8);
  box-shadow: 
    0 6px 20px rgba(59, 130, 246, 0.4),
    0 3px 10px rgba(59, 130, 246, 0.3);
}

.item-button:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 10px 30px rgba(59, 130, 246, 0.5),
    0 5px 15px rgba(59, 130, 246, 0.4);
  background: linear-gradient(135deg, #1d4ed8, #1e40af);
}

/* Professional Background Enhancements */
.product-grid {
  position: relative;
  z-index: 10;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-xl);
}

/* Professional Section Dividers */
.uberschrift {
  position: relative;
  z-index: 15;
}

.uberschrift::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #64748b, transparent);
  border-radius: 2px;
}

/* ========================================
   GLASS MORPHISM COMPONENTS
========================================= */
.glass-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 4px 16px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.glass-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.4), 
    transparent);
}

.glass-container:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 40px rgba(0, 0, 0, 0.15),
    0 6px 20px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

/* ========================================
   MODERN CARD SYSTEM
========================================= */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 8px 32px rgba(0, 0, 0, 0.1),
    0 4px 16px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  padding: var(--space-xl);
  margin: var(--space-lg);
}

.card-header {
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--gray-900), var(--gray-700));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--gray-600);
  font-weight: 400;
}

.card-body {
  margin-bottom: var(--space-lg);
}

.card-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* ========================================
   PREMIUM BUTTON SYSTEM
========================================= */
.btn {
  font-family: var(--font-primary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: var(--space-md) var(--space-xl);
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, 
    transparent, 
    rgba(255, 255, 255, 0.2), 
    transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, 
    var(--primary-blue), 
    var(--primary-blue-light));
  color: white;
  box-shadow: 
    0 4px 20px rgba(0, 122, 255, 0.3),
    0 2px 8px rgba(0, 122, 255, 0.2);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 
    0 6px 25px rgba(0, 122, 255, 0.4),
    0 3px 12px rgba(0, 122, 255, 0.25);
}

.btn-secondary {
  background: var(--glass-bg-light);
  color: var(--gray-900);
  border: 1px solid var(--glass-border);
  box-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.1),
    0 2px 8px rgba(0, 0, 0, 0.05);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--gray-700);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-ghost:hover {
  background: var(--glass-bg);
  color: var(--gray-900);
}

/* ========================================
   MODERN FORM ELEMENTS
========================================= */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--gray-800);
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--gray-900);
  font-size: 1rem;
  transition: all var(--transition-normal);
  box-shadow: 
    0 2px 8px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.form-input:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 
    0 0 0 3px rgba(0, 122, 255, 0.1),
    0 4px 12px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.15);
}

.form-input::placeholder {
  color: var(--gray-500);
}

/* ========================================
   NAVIGATION SYSTEM
========================================= */
.navbar {
  background: var(--glass-bg);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--glass-border);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--gray-900);
  text-decoration: none;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-nav {
  display: flex;
  list-style: none;
  gap: var(--space-lg);
}

.nav-link {
  color: var(--gray-700);
  text-decoration: none;
  font-weight: 500;
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link:hover {
  color: var(--gray-900);
  background: var(--glass-bg);
}

.nav-link.active {
  color: var(--primary-blue);
  background: rgba(0, 122, 255, 0.1);
}

/* ========================================
   HERO SECTION
========================================= */
.hero {
  padding: var(--space-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  position: relative;
  z-index: 2;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 700;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, 
    var(--gray-900), 
    var(--gray-700), 
    var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  flex-wrap: wrap;
}

/* ========================================
   GRID SYSTEM
========================================= */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-lg);
  margin: var(--space-lg) 0;
}

.col {
  flex: 1;
  min-width: 0;
}

.col-2 {
  flex: 0 0 calc(50% - var(--space-lg) / 2);
}

.col-3 {
  flex: 0 0 calc(33.333% - var(--space-lg) * 2 / 3);
}

.col-4 {
  flex: 0 0 calc(25% - var(--space-lg) * 3 / 4);
}

/* ========================================
   BUSINESS PRODUCT CARDS SYSTEM
========================================= */
.product-section {
  padding: var(--space-3xl) 0;
  background: rgba(255, 255, 255, 0.02);
}

.section-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--space-2xl);
  color: var(--gray-900);
  background: linear-gradient(135deg, var(--gray-900), var(--primary-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.product-grid {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

#produktliste {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 350px));
  gap: var(--space-2xl);
  margin-bottom: var(--space-3xl);
  justify-content: center;
}

.item-box {
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(203, 213, 225, 0.8);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 
    0 10px 40px rgba(71, 85, 105, 0.15),
    0 4px 20px rgba(71, 85, 105, 0.1),
    0 2px 8px rgba(71, 85, 105, 0.08),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 320px;
  padding: var(--space-lg);
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, 
    var(--primary-blue), 
    var(--primary-blue-light), 
    var(--primary-blue));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.item-box:hover {
  transform: translateY(-12px) scale(1.03);
  box-shadow: 
    0 25px 80px rgba(71, 85, 105, 0.25),
    0 12px 40px rgba(71, 85, 105, 0.2),
    0 6px 20px rgba(71, 85, 105, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  border-color: rgba(59, 130, 246, 0.3);
}

.product-card:hover::before {
  opacity: 1;
}

.product-image-container {
  position: relative;
  height: 220px;
  overflow: hidden;
  background: #f8f9fa;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.item-image {
  width: 100%;
  height: 220px;
  object-fit: contain;
  border-radius: 0;
  margin-bottom: var(--space-md);
  background: transparent;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0;
  border: none;
}

.item-image:hover {
  transform: scale(1.05);
}

.item-title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
  line-height: 1.4;
  text-align: center;
}

.item-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--space-sm);
  text-align: center;
}

.item-bestand {
  color: var(--gray-600);
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  text-align: center;
  padding: var(--space-xs) var(--space-sm);
  background: rgba(46, 204, 113, 0.1);
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: center;
}

.item-box label {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-xs);
  display: block;
  text-align: center;
}

.item-box select {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  background: white;
  font-size: 0.9rem;
  margin-bottom: var(--space-md);
  cursor: pointer;
}

.item-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  display: block;
  margin-bottom: var(--space-sm);
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: white;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.item-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.ansehen-button {
  background: var(--glass-bg-light) !important;
  color: var(--gray-700) !important;
  border: 1px solid var(--glass-border) !important;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.ansehen-button:hover {
  background: rgba(255, 255, 255, 0.8) !important;
  color: var(--gray-900) !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
}

.uberschrift {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  text-align: center;
  margin: var(--space-3xl) 0 var(--space-xl) 0;
  color: #0f172a;
  text-shadow: 
    0 4px 8px rgba(0, 0, 0, 0.15),
    0 8px 16px rgba(0, 0, 0, 0.1),
    0 16px 32px rgba(0, 0, 0, 0.05);
  background: linear-gradient(135deg, 
    #0f172a 0%, 
    #1e293b 30%,
    #334155 60%,
    #0f172a 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  letter-spacing: -0.025em;
  line-height: 1.05;
}

.uberschrift::before {
  content: '';
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 5px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    #64748b 50%, 
    transparent 100%);
  border-radius: 3px;
  opacity: 0.6;
}

.uberschrift::after {
  content: '';
  position: absolute;
  bottom: -35px;
  left: 50%;
  transform: translateX(-50%);
  width: 150px;
  height: 3px;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(100, 116, 139, 0.4) 50%, 
    transparent 100%);
  border-radius: 2px;
  opacity: 0.3;
}

.product-badge {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--primary-blue);
  color: white;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.product-badge.sale {
  background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.product-badge.new {
  background: linear-gradient(135deg, #2ecc71, #27ae60);
}

.product-content {
  padding: var(--space-lg);
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background: white;
}

.product-category {
  font-size: 0.8rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

.product-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin-bottom: var(--space-md);
  line-height: 1.4;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
}

.product-description {
  color: var(--gray-600);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: var(--space-lg);
  min-height: 4rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta {
  margin-bottom: var(--space-lg);
}

.product-price {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--primary-blue);
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.product-price-old {
  font-size: 1rem;
  color: var(--gray-400);
  text-decoration: line-through;
  margin-left: var(--space-sm);
}

.product-stock {
  font-size: 0.85rem;
  color: var(--gray-500);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.stock-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gray-400);
}

.stock-indicator.in-stock {
  background: #2ecc71;
}

.stock-indicator.low-stock {
  background: #f39c12;
}

.stock-indicator.out-of-stock {
  background: #e74c3c;
}

.product-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.product-btn {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.product-btn-primary {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: white;
  box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.product-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 122, 255, 0.4);
}

.product-btn-secondary {
  background: var(--glass-bg-light);
  color: var(--gray-700);
  border: 1px solid var(--glass-border);
}

.product-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.25);
  color: var(--gray-900);
}

.product-rating {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  margin-bottom: var(--space-sm);
}

.stars {
  display: flex;
  gap: 1px;
}

.star {
  width: 14px;
  height: 14px;
  background: var(--gray-300);
  clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.star.filled {
  background: #ffd700;
}

.rating-text {
  font-size: 0.8rem;
  color: var(--gray-500);
  margin-left: var(--space-xs);
}

/* Simple & Clean Product Layout */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.product-meta-clean {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  margin-bottom: var(--space-md);
}

.product-stock-simple {
  font-size: 0.85rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.product-stock-simple.available {
  background: rgba(46, 204, 113, 0.1);
  color: #27ae60;
}

.product-stock-simple.limited {
  background: rgba(243, 156, 18, 0.1);
  color: #e67e22;
}

.product-stock-simple.unavailable {
  background: rgba(231, 76, 60, 0.1);
  color: #c0392b;
}

/* Clean Category Badge */
.product-category-clean {
  display: inline-block;
  background: rgba(0, 122, 255, 0.1);
  color: var(--primary-blue);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-sm);
  align-self: flex-start;
}

.product-availability {
  background: rgba(46, 204, 113, 0.1);
  color: #27ae60;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
  text-align: center;
  margin-bottom: var(--space-md);
}

.product-availability.limited {
  background: rgba(243, 156, 18, 0.1);
  color: #e67e22;
}

.product-availability.unavailable {
  background: rgba(231, 76, 60, 0.1);
  color: #c0392b;
}

.cart-button {
  position: fixed;
  top: 15%;
  right: -80px; /* Startet halb außerhalb */
  transform: translateY(-50%);
  background: linear-gradient(45deg, #16a085, #1abc9c);
  color: black;
  padding: 1.5rem 2.5rem;
  border-radius: 5px 0 0 5px; 
  text-decoration: none;
  font-weight: bold;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: right 0.5s ease;
  z-index: 1000;
  cursor: pointer;
}

.cart-button:hover {
  right: 0px;
  transition: 0.5s;
}

.cart-button i {
  font-size: 20px;
  margin-right: 0;
  transition: margin-right 0.3s ease;
}

.cart-text {
  max-width: 0;
  opacity: 0;
  white-space: nowrap;
  overflow: hidden;
  transition: max-width 0.3s ease, opacity 0.3s ease, margin-left 0.3s ease;
  margin-left: 0;
}

.cart-button:hover .cart-text {
  max-width: 150px;
  opacity: 1;
  margin-left: 8px;
}

.cart-button:hover i {
  margin-right: 8px;
}

.cart-badge {
  position: absolute;
  top: -5px;
  left: -5px;
  background: red;
  color: white;
  border-radius: 25%;
  padding: 2px 6px;
  font-size: 0.7rem;
  font-weight: bold;
  line-height: 1.25;
  min-width: 16px;
  height: 16px;
  text-align: center;
  display: none;
  pointer-events: none;
  user-select: none;
}\n\n/* ========================================\n   ADMIN & MANAGEMENT\n========================================= */
.admin-floating-btn {
  position: fixed;
  bottom: var(--space-xl);
  right: var(--space-xl);
  background: linear-gradient(135deg, #8e44ad, #9b59b6);
  color: white;
  padding: var(--space-lg) var(--space-xl);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: 
    0 8px 25px rgba(142, 68, 173, 0.4),
    0 4px 12px rgba(142, 68, 173, 0.2);
  transition: all var(--transition-normal);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.admin-floating-btn:hover {
  transform: translateY(-2px);
  box-shadow: 
    0 12px 30px rgba(142, 68, 173, 0.5),
    0 6px 16px rgba(142, 68, 173, 0.3);
}

.cart-floating-btn {
  position: fixed;
  top: 20%;
  right: -100px;
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-blue-light));
  color: white;
  padding: var(--space-lg) var(--space-xl);
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(0, 122, 255, 0.3);
  transition: all var(--transition-slow);
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cart-floating-btn:hover {
  right: 0;
}

.cart-badge {
  position: absolute;
  top: -5px;
  left: -8px;
  background: #e74c3c;
  color: white;
  border-radius: 25%;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding-left: 4px;
  font-size: 0.6rem;
  font-weight: bold;
}

.cart-button.added-to-cart {
  right: 0px !important;
}

.cart-button.added-to-cart .cart-text {
  max-width: 150px;
  opacity: 1;
  margin-left: 8px;
}

.cart-button.added-to-cart i {
  margin-right: 8px;
}

.cart-badge.blink {
  animation: blink 0.5s ease-in-out 1;
}

@keyframes blink {
  0% { opacity: 1; }
  50% { opacity: 0; }
  100% { opacity: 1; }
}

/* ========================================
   UTILITY CLASSES
========================================= */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.shadow-md {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.shadow-lg {
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }

.glass-light {
  background: var(--glass-bg-light);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

.glass-dark {
  background: var(--glass-bg-dark);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
}

/* ========================================
   ANIMATIONS & EFFECTS
========================================= */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.animate-fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

.animate-delay-1 { animation-delay: 0.1s; animation-fill-mode: both; }
.animate-delay-2 { animation-delay: 0.2s; animation-fill-mode: both; }
.animate-delay-3 { animation-delay: 0.3s; animation-fill-mode: both; }

/* ========================================
   RESPONSIVE DESIGN
========================================= */
/* ========================================
   PERFECT MOBILE OPTIMIZATION
========================================= */
@media (max-width: 768px) {
  body {
    background: #ffffff;
    padding: 0 var(--space-sm);
  }
  
  .product-grid {
    padding: var(--space-lg) var(--space-xl);
    max-width: 100%;
  }
  
  #produktliste {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
    padding: 0 var(--space-md);
  }
  
  .item-box {
    max-width: 100%;
    margin: 0 var(--space-sm);
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: 
      0 6px 25px rgba(71, 85, 105, 0.12),
      0 3px 12px rgba(71, 85, 105, 0.08);
  }
  
  .item-box:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 
      0 12px 40px rgba(71, 85, 105, 0.18),
      0 6px 20px rgba(71, 85, 105, 0.12);
  }
  
  .item-image {
    height: 180px;
    margin-bottom: var(--space-sm);
    border-radius: 0;
    background: transparent;
    border: none;
    padding: 0;
  }
  
  .item-image:hover {
    transform: scale(1.05);
  }
  
  .item-title {
    font-size: 1.2rem;
    margin-bottom: var(--space-xs);
  }
  
  .item-price {
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
  }
  
  .item-bestand {
    font-size: 0.8rem;
    margin-bottom: var(--space-md);
  }
  
  .item-box label {
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
  }
  
  .item-box select {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    border-radius: var(--radius-sm);
  }
  
  .item-button {
    padding: var(--space-md) var(--space-lg);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
    border-radius: var(--radius-sm);
  }
  
  .uberschrift {
    font-size: 2rem;
    margin: var(--space-xl) var(--space-lg) var(--space-2xl) var(--space-lg);
    padding: 0 var(--space-md);
  }
  
  .cart-button {
    right: -90px;
    top: 8%;
    padding: var(--space-md) var(--space-lg);
  }
  
  .cart-button:hover {
    right: 0px;
  }
  
  .cart-button i {
    font-size: 18px;
  }
  
  .cart-text {
    font-size: 0.9rem;
  }
  
  /* Mobile Touch Optimizations */
  .item-button:active {
    transform: translateY(-1px) scale(0.98);
  }
  
  .item-box select:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
  }
}

/* ========================================
   PERFECT DESKTOP OPTIMIZATION
========================================= */
@media (min-width: 1200px) {
  .product-grid {
    max-width: 1400px;
    padding: var(--space-xl);
  }
  
  #produktliste {
    grid-template-columns: repeat(auto-fit, minmax(300px, 320px));
    gap: var(--space-xl);
    justify-content: center;
  }
  
  .item-box {
    max-width: 320px;
    padding: var(--space-xl);
    border-radius: var(--radius-xl);
  }
  
  .item-box:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
      0 20px 60px rgba(71, 85, 105, 0.2),
      0 10px 30px rgba(71, 85, 105, 0.15),
      0 5px 15px rgba(71, 85, 105, 0.1);
  }
  
  .item-image {
    height: 240px;
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, #ffffff, #f8fafc);
    box-shadow: 
      0 4px 20px rgba(71, 85, 105, 0.08),
      inset 0 1px 0 rgba(255, 255, 255, 0.8);
    padding: var(--space-sm);
    border: 1px solid rgba(226, 232, 240, 0.8);
  }
  
  .item-image:hover {
    transform: scale(1.05) rotateZ(1deg);
    box-shadow: 
      0 8px 30px rgba(71, 85, 105, 0.15),
      inset 0 1px 0 rgba(255, 255, 255, 1);
    border-color: rgba(59, 130, 246, 0.3);
  }
  
  .item-title {
    font-size: 1.4rem;
    margin-bottom: var(--space-sm);
  }
  
  .item-price {
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
  }
  
  .item-bestand {
    font-size: 0.9rem;
    margin-bottom: var(--space-lg);
  }
  
  .item-box label {
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
  }
  
  .item-box select {
    padding: var(--space-md) var(--space-lg);
    font-size: 1rem;
    margin-bottom: var(--space-lg);
  }
  
  .item-button {
    padding: var(--space-lg) var(--space-xl);
    font-size: 1rem;
    margin-bottom: var(--space-md);
    border-radius: var(--radius-md);
  }
  
  .item-button:hover {
    transform: translateY(-2px);
  }
  
  .uberschrift {
    font-size: 2.8rem;
    margin: var(--space-2xl) 0;
  }
  
  .cart-button {
    padding: var(--space-xl) var(--space-2xl);
    font-size: 1.1rem;
  }
  
  .cart-button i {
    font-size: 24px;
  }
  
  /* Desktop Hover Enhancements */
  .item-box {
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  }
  
  .item-image {
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
  }
  
  .item-button {
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }
  
  .hero {
    padding: var(--space-2xl) 0;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .navbar-nav {
    flex-direction: column;
    text-align: center;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  /* Ultra Small Mobile */
  .product-grid {
    padding: var(--space-md) var(--space-lg);
  }
  
  #produktliste {
    padding: 0 var(--space-sm);
    gap: var(--space-lg);
  }
  
  .item-box {
    padding: var(--space-md);
    margin: 0 var(--space-xs);
    border-radius: var(--radius-md);
  }
  
  .item-image {
    height: 160px;
    background: transparent;
    border: none;
    padding: 0;
    border-radius: 0;
  }
  
  .item-title {
    font-size: 1.05rem;
  }
  
  .item-price {
    font-size: 1.15rem;
  }
  
  .item-button {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.9rem;
  }
  
  .uberschrift {
    font-size: 1.8rem;
    margin: var(--space-lg) 0;
  }
  
  .cart-button {
    top: 6%;
    right: -80px;
    padding: var(--space-sm) var(--space-md);
  }
}

/* ========================================
   TOUCH AND INTERACTION OPTIMIZATIONS
========================================= */
/* Touch-friendly interactions */
@media (hover: none) and (pointer: coarse) {
  .item-box:hover {
    transform: none;
  }
  
  .item-box:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
  }
  
  .item-image:hover {
    transform: none;
  }
  
  .item-button:hover {
    transform: none;
  }
  
  .item-button:active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }
}

/* High DPI Display Optimizations */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .item-image {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Performance Optimizations */
.item-box, .item-image, .item-button {
  will-change: transform, box-shadow;
  backface-visibility: hidden;
  perspective: 1000px;
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .item-box:hover {
    transform: translateY(-2px);
  }
  
  .item-image:hover {
    transform: none;
  }
}

/* Print Styles */
@media print {
  .cart-button,
  .item-box::before,
  .item-box::after {
    display: none !important;
  }
  
  .item-box {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    background: white !important;
    page-break-inside: avoid;
  }
  
  .item-image {
    max-height: 200px;
  }
}

/* ========================================
   DARK MODE SUPPORT
========================================= */
@media (prefers-color-scheme: dark) {
  :root {
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-bg-light: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.1);
  }
  
  body {
    color: var(--gray-100);
    background: linear-gradient(135deg, 
      #1e3c72 0%, 
      #2a5298 25%, 
      #667eea 50%, 
      #764ba2 75%, 
      #1e3c72 100%);
  }
  
  .card-title {
    color: var(--gray-100);
    background: linear-gradient(135deg, var(--gray-100), var(--gray-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .form-input {
    color: var(--gray-100);
  }
  
  .nav-link {
    color: var(--gray-300);
  }
  
  .nav-link:hover {
    color: var(--gray-100);
  }
  
  /* Dark Mode Product Cards */
  .product-card {
    background: rgba(255, 255, 255, 0.03);
    border-color: rgba(255, 255, 255, 0.08);
  }
  
  .product-title {
    color: var(--gray-100);
  }
  
  .product-description {
    color: var(--gray-300);
  }
  
  .product-category {
    color: var(--gray-400);
  }
  
  .product-stock {
    color: var(--gray-400);
  }
  
  .section-title {
    color: var(--gray-100);
    background: linear-gradient(135deg, var(--gray-100), var(--primary-blue-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .product-btn-secondary {
    color: var(--gray-300);
  }
  
  .product-btn-secondary:hover {
    color: var(--gray-100);
    background: rgba(255, 255, 255, 0.1);
  }
}

/* ========================================
   PRINT STYLES
========================================= */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .glass-container {
    background: white !important;
    border: 1px solid #ddd !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
  }
  
  .btn {
    background: #f0f0f0 !important;
    color: black !important;
    border: 1px solid #ddd !important;
  }
}