/* ======================================
   CactusIO Store Products - Komplette Version (VERBESSERTE RANDABSTÄNDE)
   Product Cards, Categories, Filters mit Enhanced Theme
====================================== */

/* ======================================
   CATEGORIES SECTION - Verbesserte Abstände
====================================== */
.categories-section {
    margin-bottom: 6rem;
    perspective: 1000px;
    padding: 0 var(--space-md); /* Zusätzlicher innerer Abstand */
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl); /* Erhöhter Gap zwischen Karten */
    margin-bottom: var(--space-lg);
    transform-style: preserve-3d;
}

.category-card {
    background: var(--store-glass);
    backdrop-filter: blur(var(--glass-backdrop-blur));
    -webkit-backdrop-filter: blur(var(--glass-backdrop-blur));
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl); /* Erhöhtes Padding */
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    perspective: 1000px;
    transform-style: preserve-3d;
    opacity: 1;
    transform: translateY(0);
    transition: var(--transition-bounce);
    box-shadow: var(--shadow-md);
    margin: var(--space-sm); /* Zusätzlicher Margin für besseren Abstand */
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(104, 190, 124, 0.1), rgba(104, 124, 190, 0.1));
    opacity: 0;
    transition: var(--transition-normal);
    transform: translateZ(-1px);
}

.category-card:hover {
    transform: translateY(-8px) rotateX(5deg) rotateY(2deg) translateZ(20px);
    box-shadow: var(--shadow-xl), var(--glow-subtle);
    border-color: var(--store-primary);
}

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

.category-icon {
    font-size: 3rem;
    color: var(--store-primary);
    margin-bottom: 1rem;
    transition: var(--transition-spring);
    transform-style: preserve-3d;
    display: block;
}

.category-card:hover .category-icon {
    transform: scale(1.1) rotateY(15deg) translateZ(10px);
    color: var(--store-secondary);
    text-shadow: var(--glow-secondary);
}

.category-name {
    font-size: 1.3rem;
    color: var(--store-text);
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-normal);
    transform-style: preserve-3d;
}

.category-card:hover .category-name {
    transform: translateZ(5px);
}

.category-description {
    color: var(--store-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    font-family: Arial, sans-serif;
    transition: var(--transition-normal);
    transform-style: preserve-3d;
    line-height: 1.4;
}

.category-card:hover .category-description {
    transform: translateZ(3px);
}

.category-count {
    color: var(--store-primary);
    font-size: 0.8rem;
    font-weight: var(--font-weight-medium);
    transition: var(--transition-normal);
    transform-style: preserve-3d;
}

.category-card:hover .category-count {
    transform: translateZ(2px);
}

/* ======================================
   PRODUCTS SECTION - Verbesserte Abstände
====================================== */
.products-section, .featured-section {
    margin-bottom: 4rem;
    perspective: 1000px;
    padding: 0 var(--space-md); /* Zusätzlicher innerer Abstand */
}

.products-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-xl); /* Erhöhter Abstand */
    flex-wrap: wrap;
    gap: 1rem;
}

.products-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-button {
    background: var(--store-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    position: relative;
    overflow: hidden;
    transform-style: preserve-3d;
    font-size: 0.9rem;
    font-weight: var(--font-weight-medium);
}

.filter-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: var(--transition-normal);
    transform: translateZ(-1px);
}

.filter-button:hover,
.filter-button.active {
    background: var(--store-primary);
    color: var(--store-dark);
    transform: translateY(-2px) translateZ(5px);
    box-shadow: var(--shadow-md);
}

.filter-button:hover::before {
    left: 100%;
}

.sort-select {
    background: var(--store-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    border-radius: var(--radius-sm);
    padding: 0.6rem 1rem;
    cursor: pointer;
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.7rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
    font-size: 0.9rem;
}

.sort-select:focus {
    border-color: var(--store-primary);
    box-shadow: 0 0 0 2px rgba(104, 190, 124, 0.2);
    transform: translateZ(3px);
}

/* Products Content Layout */
.products-content {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--space-xl); /* Erhöhter Gap zwischen Sidebar und Content */
}

/* ======================================
   FILTERS SIDEBAR - Verbesserte Abstände
====================================== */
.filters-sidebar {
    background: var(--store-glass);
    backdrop-filter: blur(var(--glass-backdrop-blur));
    -webkit-backdrop-filter: blur(var(--glass-backdrop-blur));
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl); /* Erhöhtes Padding */
    height: fit-content;
    position: sticky;
    top: 120px;
    transition: var(--transition-normal);
    transform-style: preserve-3d;
    margin-right: var(--space-md); /* Zusätzlicher Abstand zum Content */
}

.filters-sidebar:hover {
    transform: translateZ(5px);
    box-shadow: var(--shadow-lg);
}

.filters-sidebar.hidden {
    display: none;
}

.filter-group {
    margin-bottom: var(--space-xl); /* Erhöhter Abstand zwischen Gruppen */
}

.filter-group:last-child {
    margin-bottom: 0;
}

.filter-group h3,
.filter-group h4 {
    color: var(--store-text);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--store-glass-border);
}

.category-filters {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 0.3rem 0;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
    gap: 0.8rem;
    color: var(--store-text);
}

.filter-checkbox:hover {
    color: var(--store-primary);
    transform: translateX(3px) translateZ(2px);
}

.filter-checkbox input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--store-glass-border);
    border-radius: 4px;
    position: relative;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
}

.filter-checkbox:hover .checkmark {
    transform: scale(1.1) translateZ(2px);
    border-color: var(--store-primary);
}

.filter-checkbox input[type="checkbox"]:checked + .checkmark {
    background: var(--store-primary);
    border-color: var(--store-primary);
    transform: scale(1.1) translateZ(3px);
}

.filter-checkbox input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--store-dark);
    font-size: 0.8rem;
    font-weight: var(--font-weight-bold);
}

.label {
    color: var(--store-text-muted);
    font-size: 0.9rem;
    transition: var(--transition-normal);
    font-family: Arial, sans-serif;
}

.filter-checkbox:hover .label {
    color: var(--store-text);
}

/* Price Range Filter */
.price-range-filter {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.price-inputs {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.price-input {
    flex: 1;
    background: var(--store-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    border-radius: var(--radius-sm);
    padding: 0.5rem;
    outline: none;
    transition: var(--transition-bounce);
    font-family: Arial, sans-serif;
    transform-style: preserve-3d;
}

.price-input:focus {
    border-color: var(--store-primary);
    box-shadow: 0 0 0 2px rgba(104, 190, 124, 0.2);
    transform: translateZ(3px);
}

.price-inputs span {
    color: var(--store-text-muted);
}

.apply-price-filter {
    background: var(--store-primary);
    color: var(--store-dark);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    font-weight: var(--font-weight-medium);
    transform-style: preserve-3d;
}

.apply-price-filter:hover {
    background: var(--store-secondary);
    transform: translateY(-1px) translateZ(3px);
    box-shadow: var(--shadow-md);
}

.clear-filters {
    background: transparent;
    color: var(--store-error);
    border: 1px solid var(--store-error);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    width: 100%;
    transform-style: preserve-3d;
    font-weight: var(--font-weight-medium);
}

.clear-filters:hover {
    background: var(--store-error);
    color: var(--store-text);
    transform: translateY(-2px) translateZ(3px);
}

/* ======================================
   PRODUCTS GRID - Verbesserte Abstände
====================================== */
.products-main {
    min-height: 600px;
    perspective: 1000px;
    padding-left: var(--space-md); /* Zusätzlicher linker Abstand */
}

.results-info {
    margin-bottom: var(--space-xl); /* Erhöhter Abstand */
    padding: var(--space-lg); /* Erhöhtes Padding */
    background: var(--store-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
    transform-style: preserve-3d;
}

.results-info:hover {
    transform: translateZ(2px);
}

.results-count {
    color: var(--store-text-muted);
    font-size: 0.9rem;
    font-family: Arial, sans-serif;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--space-xl); /* Erhöhter Gap zwischen Produktkarten */
    margin-bottom: 3rem;
    position: relative;
    z-index: 1;
    transform-style: preserve-3d;
    padding: var(--space-sm); /* Zusätzliches Padding für besseren Abstand */
}

/* View Mode Styles */
.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-xl); /* Erhöhter Gap */
    padding: var(--space-sm); /* Zusätzliches Padding */
}

.list-view {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg); /* Erhöhter Gap für Listen-Ansicht */
    padding: var(--space-sm); /* Zusätzliches Padding */
}

.list-view .modern-product-card {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--space-lg); /* Erhöhter Gap innerhalb der Karte */
    max-width: 100%;
}

.list-view .product-image-container {
    aspect-ratio: 1;
}

/* ======================================
   MODERN PRODUCT CARD - ENHANCED VERSION (FIXED)
====================================== */
.modern-product-card {
    background: var(--store-card-bg);
    border: 1px solid var(--store-glass-border);
    border-radius: 16px;
    overflow: hidden;
    transition: 
        transform 0.4s cubic-bezier(0.23, 1, 0.32, 1),
        box-shadow 0.4s cubic-bezier(0.23, 1, 0.32, 1),
        border-color 0.3s ease;
    position: relative;
    will-change: transform;
    opacity: 0;
    animation: fadeInUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    contain: layout style paint;
    box-shadow: 0 4px 8px var(--store-shadow);
    cursor: pointer;
    /* FIXED: Entferne transform-style preserve-3d für bessere Button-Performance */
    isolation: isolate;
    margin: var(--space-sm); /* Zusätzlicher Margin für besseren Abstand */
}

.modern-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 
        0 20px 40px rgba(0, 255, 136, 0.1),
        0 8px 16px var(--store-shadow);
    border-color: var(--store-primary);
}

/* Product Image Container - Enhanced */
.product-image-container {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
    cursor: pointer;
    background: var(--store-glass);
    /* FIXED: Separiere Image-Container von Card-Transforms */
    isolation: isolate;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.modern-product-card:hover .product-image {
    transform: scale(1.05);
}

/* Product Badges - Enhanced */
.product-badges {
    position: absolute;
    top: 12px;
    left: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 2;
}

.badge {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    backdrop-filter: blur(10px);
}

.badge.featured {
    background: var(--store-primary);
    color: var(--store-bg);
}

.badge.sale {
    background: var(--store-error);
    color: white;
}

.badge.new {
    background: var(--store-secondary);
    color: var(--store-text);
}

.badge.low-stock {
    background: var(--store-warning);
    color: var(--store-bg);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* Hover Actions - Enhanced */
.product-hover-actions {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    gap: 12px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: 3;
}

.modern-product-card:hover .product-hover-actions {
    opacity: 1;
}

.action-btn {
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    border-radius: 50px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 500;
}

.light-mode .action-btn {
    background: rgba(255, 255, 255, 0.9);
    color: var(--store-text);
}

.action-btn:hover {
    background: var(--store-primary);
    color: var(--store-bg);
    transform: scale(1.05);
}

.action-btn.quick-view span {
    display: none;
}

.action-btn.quick-view:hover span {
    display: inline;
}

/* Stock Indicator */
.stock-indicator {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    z-index: 2;
}

.stock-indicator.in-stock {
    background: var(--store-success);
}

.stock-indicator.low-stock {
    background: var(--store-warning);
}

.stock-indicator.out-of-stock {
    background: var(--store-error);
}

/* ======================================
   PRODUCT CARD - UNIVERSAL DESIGN (ORIGINAL)
====================================== */
.product-card {
    background: var(--store-glass);
    backdrop-filter: blur(var(--glass-backdrop-blur));
    -webkit-backdrop-filter: blur(var(--glass-backdrop-blur));
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    position: relative;
    min-height: 400px;
    perspective: 1000px;
    transform-style: preserve-3d;
    opacity: 1;
    transform: translateY(0);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --mouse-x: 0deg;
    --mouse-y: 0deg;
    box-shadow: var(--shadow-md);
    animation: fadeInUp 0.6s cubic-bezier(0.23, 1, 0.32, 1) forwards;
    margin: var(--space-sm); /* Zusätzlicher Margin für besseren Abstand */
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(104, 190, 124, 0.1), rgba(104, 124, 190, 0.1));
    opacity: 0;
    transition: var(--transition-normal);
    z-index: 1;
    transform: translateZ(-1px);
}

/* Card Glow Effect */
.product-card .card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(255, 255, 255, 0.06),
        transparent 40%
    );
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
}

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

/* ======================================
   3D EFFEKTE - NUR FÜR FEATURED PRODUCTS
====================================== */
.featured-section .product-card:hover {
    transform: perspective(1000px) rotateX(var(--mouse-y, 0deg)) rotateY(var(--mouse-x, 0deg)) translateZ(20px);
    box-shadow: 
        var(--shadow-2xl), 
        var(--glow-subtle),
        var(--glow-strong);
    border-color: var(--store-primary);
}

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

/* Featured Products - 3D Text Effekte */
.featured-section .product-card:hover .product-name {
    transform: translateZ(5px);
}

.featured-section .product-card:hover .product-description {
    transform: translateZ(3px);
}

.featured-section .product-card:hover .product-price {
    transform: translateZ(4px);
}

.featured-section .product-card:hover .product-actions {
    transform: translateZ(6px);
}

.featured-section .product-card:hover .product-badge {
    transform: translateZ(10px) scale(1.05);
}

.featured-section .product-card:hover .product-image img {
    transform: scale(1.05) translateZ(5px);
}

/* ======================================
   ALL PRODUCTS - SUBTILE HOVER EFFEKTE
====================================== */
.products-section .product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl), var(--glow-subtle);
    border-color: var(--store-primary);
}

.products-section .product-card:hover::before {
    opacity: 0.5;
}

.products-section .product-card:hover .product-badge {
    transform: scale(1.02);
}

.products-section .product-card:hover .product-image img {
    transform: scale(1.02);
}

/* ======================================
   PRODUCT CARD ELEMENTE - SHARED
====================================== */
.product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
    display: block;
}

.product-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--store-primary);
    color: var(--store-dark);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: var(--font-weight-semibold);
    z-index: 2;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
}

.product-badge.sale {
    background: var(--store-error);
    color: var(--store-text);
}

.product-badge.new {
    background: var(--store-secondary);
    color: var(--store-text);
}

.product-badge.low-stock {
    background: var(--store-warning);
    color: var(--store-dark);
    animation: pulse-warning 2s infinite;
}

@keyframes pulse-warning {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* ======================================
   PRODUCT INFO - FIXED FOR BUTTON STABILITY
====================================== */
.product-info {
    padding: var(--space-xl); /* Erhöhtes Padding */
    color: var(--store-text);
    position: relative;
    z-index: 2;
    background: var(--store-card-bg);
    /* FIXED: Entferne transform-style preserve-3d für Button-Stabilität */
    isolation: isolate;
    /* FIXED: Verhindere Layout-Shifts */
    contain: layout style;
}

.product-name {
    color: var(--store-text);
    font-size: 1.2rem;
    font-weight: var(--font-weight-semibold);
    margin-bottom: 0.5rem;
    line-height: 1.3;
    transition: var(--transition-bounce);
    /* FIXED: Separate transform für Texte */
    transform-style: flat;
}

.product-name a,
.product-link {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-normal);
}

.product-name a:hover,
.product-link:hover {
    color: var(--store-primary);
}

.product-description {
    color: var(--store-text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    font-family: Arial, sans-serif;
    transition: var(--transition-normal);
    /* FIXED: Separate transform für Texte */
    transform-style: flat;
}

/* ======================================
   PRODUCT PRICING
====================================== */
.product-price,
.product-pricing {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    transition: var(--transition-normal);
    /* FIXED: Entferne 3D transforms für bessere Performance */
    contain: layout;
}

.current-price {
    color: var(--store-primary);
    font-size: 1.3rem;
    font-weight: var(--font-weight-bold);
}

.original-price {
    color: var(--store-text-muted);
    font-size: 1rem;
    text-decoration: line-through;
}

.price-hidden-text {
    color: var(--store-text-muted);
    font-style: italic;
    font-size: 0.9rem;
}

.discount-percent {
    background: var(--store-error);
    color: var(--store-text);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: var(--font-weight-semibold);
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
}

.product-actions {
    display: flex;
    gap: 0.5rem;
    transition: var(--transition-normal);
    /* FIXED: Entferne 3D transforms für Button-Container */
    contain: layout;
}

/* ======================================
   PRIMARY ACTION BUTTON - ENHANCED STABILITY
====================================== */
.add-to-cart-btn,
.primary-action-btn {
    flex: 1;
    background: var(--store-primary);
    color: var(--store-dark);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.7rem 1rem;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: 
        background-color 0.3s ease,
        transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
    overflow: hidden;
    font-size: 0.9rem;
    /* FIXED: Button-spezifische Performance-Optimierungen */
    will-change: transform, background-color;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    contain: layout style paint;
    isolation: isolate;
    z-index: 10;
}

.primary-action-btn {
    width: 100%;
    padding: 14px 20px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    gap: 8px;
    /* FIXED: Zusätzliche Stabilität für den primären Button */
    transform-origin: center center;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

.add-to-cart-btn::before,
.primary-action-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

/* FIXED: Optimierte Hover-States ohne Flackern */
.add-to-cart-btn:hover,
.primary-action-btn:hover:not(.disabled) {
    background: var(--store-secondary);
    transform: translateY(-2px);
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.15),
        0 2px 4px rgba(0, 0, 0, 0.1);
}

.primary-action-btn:hover:not(.disabled) {
    background: var(--store-primary-hover);
    box-shadow: 
        0 8px 20px rgba(0, 255, 136, 0.3),
        0 4px 8px rgba(0, 0, 0, 0.1);
}

.add-to-cart-btn:hover::before,
.primary-action-btn:hover::before {
    left: 100%;
}

/* FIXED: Bessere Disabled-States */
.add-to-cart-btn:disabled,
.primary-action-btn.disabled {
    background: var(--store-text-muted);
    color: var(--store-surface);
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    opacity: 0.6;
}

.quick-view-btn {
    background: var(--store-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    border-radius: var(--radius-sm);
    padding: 0.7rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
}

.quick-view-btn:hover {
    background: var(--store-text);
    color: var(--store-dark);
    transform: translateY(-2px) translateZ(3px);
}

.stock-status,
.stock-status-inline {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    transition: var(--transition-normal);
    transform-style: preserve-3d;
    font-weight: var(--font-weight-medium);
}

.stock-status-inline {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 24px 0;
    font-size: 0.9rem;
}

.stock-status.in-stock,
.stock-status-inline.in-stock {
    color: var(--store-success);
}

.stock-status.low-stock,
.stock-status-inline.low-stock {
    color: var(--store-warning);
}

.stock-status.out-of-stock,
.stock-status-inline.out-of-stock {
    color: var(--store-error);
}

.stock-count {
    color: var(--store-text-muted);
    font-size: 0.85rem;
}

/* ======================================
   QUANTITY SELECTOR - ENHANCED
====================================== */
.quantity-selector,
.quantity-selection {
    margin: 1rem 0;
    background: var(--store-glass);
    border: 1px solid var(--store-glass-border);
    border-radius: 10px;
    padding: 0.8rem;
}

.quantity-selection {
    margin: 0 0 32px 0;
}

.quantity-label {
    display: block;
    color: var(--store-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    font-weight: var(--font-weight-medium);
}

.quantity-label {
    margin: 0 0 12px 0;
    font-weight: 500;
    color: var(--store-text);
}

.quantity-controls,
.quantity-input-group {
    display: flex;
    align-items: center;
    background: var(--store-glass);
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-sm);
    padding: 0.3rem;
    max-width: 140px;
}

.quantity-input-group {
    border-radius: 12px;
    padding: 8px;
    max-width: 150px;
}

.quantity-btn,
.qty-btn {
    background: transparent;
    border: none;
    color: var(--store-text);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.qty-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.quantity-btn:hover:not(:disabled),
.qty-btn:hover:not(:disabled) {
    background: var(--store-primary);
    color: var(--store-dark);
    transform: scale(1.05);
}

.quantity-btn:disabled,
.qty-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.quantity-input {
    background: transparent;
    border: none;
    color: var(--store-text);
    width: 50px;
    text-align: center;
    font-weight: var(--font-weight-semibold);
    outline: none;
    font-size: 0.9rem;
}

.quantity-input {
    width: 60px;
    font-weight: 600;
}

.quantity-input.invalid {
    color: var(--store-error);
}

.stock-info {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--store-text-muted);
    font-size: 0.8rem;
    margin-top: 0.5rem;
}

.stock-info i {
    font-size: 0.7rem;
}

/* ======================================
   QUICK VIEW MODAL - ENHANCED
====================================== */
.quick-view-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.quick-view-modal.active {
    opacity: 1;
    visibility: visible;
}

.quick-view-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.534);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.quick-view-content {
    position: relative;
    background: var(--store-glass);
    backdrop-filter: blur(120px);
    -webkit-backdrop-filter: blur(120px);
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-xl);
    border-radius: 20px;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    z-index: 1001;
    transform: scale(0.9);
    transition: transform 0.3s ease;
    margin: var(--space-lg); /* Zusätzlicher Margin */
}

.quick-view-modal.active .quick-view-content {
    transform: scale(1);
}

.quick-view-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--store-glass);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1002;
    transition: all 0.3s ease;
}

.quick-view-close:hover {
    background: var(--store-error);
    color: white;
    transform: scale(1.1);
}

.quick-view-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl); /* Erhöhter Gap */
    padding: var(--space-2xl); /* Erhöhtes Padding */
}

.quick-view-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.product-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 16px 0;
    color: var(--store-text);
}

.product-price-large {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--store-primary);
    margin: 0 0 20px 0;
}

.product-description-full {
    color: var(--store-text-muted);
    line-height: 1.6;
    margin: 0 0 24px 0;
}

/* Quick View Actions */
.quick-view-actions {
    display: flex;
    gap: 12px;
}

.out-of-stock-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    padding: 14px 24px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background: var(--store-primary);
    color: var(--store-bg);
    flex: 1;
}

.btn-primary:hover {
    background: var(--store-primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: var(--store-text);
    border: 1px solid var(--store-glass-border);
}

.btn-secondary:hover {
    background: var(--store-glass);
    border-color: var(--store-primary);
}

.btn-outline {
    background: transparent;
    color: var(--store-primary);
    border: 1px solid var(--store-primary);
}

.btn-outline:hover {
    background: var(--store-primary);
    color: var(--store-bg);
}

/* ======================================
   PRODUCT MODAL (ORIGINAL)
====================================== */
.product-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.product-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--store-glass);
    backdrop-filter: blur(var(--glass-backdrop-blur));
    -webkit-backdrop-filter: blur(var(--glass-backdrop-blur));
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: modalSlideIn 0.3s ease-out;
    margin: var(--space-lg); /* Zusätzlicher Margin */
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

/* ======================================
   LOADING STATES
====================================== */
.cart-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    grid-column: 1 / -1;
}

.cart-loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--store-glass-border);
    border-top: 3px solid var(--store-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-text {
    color: var(--store-text-muted);
    font-size: 0.9rem;
}

/* ======================================
   NOTIFICATION TOAST
====================================== */
.notification-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--store-surface);
    border: 1px solid var(--store-glass-border);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 10px 30px var(--store-shadow);
    z-index: 1004;
    transform: translateX(400px);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
    gap: 12px;
    max-width: 400px;
}

.notification-toast.show {
    transform: translateX(0);
}

.notification-toast.warning {
    border-left: 4px solid var(--store-warning);
}

.notification-toast.error {
    border-left: 4px solid var(--store-error);
}

.notification-toast.success {
    border-left: 4px solid var(--store-success);
}

.toast-icon {
    font-size: 1.2rem;
}

.toast-message {
    color: var(--store-text);
    font-weight: 500;
}

/* ======================================
   EMPTY STATE
====================================== */
.empty-state,
.no-products {
    text-align: center;
    padding: 60px 20px;
    grid-column: 1 / -1;
    color: var(--store-text-muted);
    font-size: 1.1rem;
    background: var(--store-glass);
    backdrop-filter: blur(var(--glass-backdrop-blur));
    -webkit-backdrop-filter: blur(var(--glass-backdrop-blur));
    border: 1px solid var(--store-glass-border);
    border-radius: var(--radius-lg);
    transform-style: preserve-3d;
    transition: var(--transition-normal);
    margin: var(--space-lg); /* Zusätzlicher Margin */
}

.empty-state:hover,
.no-products:hover {
    transform: translateZ(5px);
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--store-text-muted);
    margin-bottom: 24px;
}

.no-products i {
    display: block;
    margin-bottom: 1rem;
    font-size: 3rem;
    transition: var(--transition-spring);
}

.empty-state:hover i,
.no-products:hover i {
    transform: scale(1.1) rotateY(15deg);
}

.empty-state h3 {
    font-size: 1.5rem;
    margin: 0 0 12px 0;
    color: var(--store-text);
}

.empty-state p {
    color: var(--store-text-muted);
    margin: 0 0 32px 0;
}

.no-products button {
    margin-top: 1rem;
    background: var(--store-primary);
    color: var(--store-dark);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.8rem 1.5rem;
    cursor: pointer;
    transition: var(--transition-bounce);
    transform-style: preserve-3d;
    font-weight: var(--font-weight-semibold);
}

.no-products button:hover {
    background: var(--store-secondary);
    transform: translateY(-2px) translateZ(3px);
}

/* ======================================
   PAGINATION
====================================== */
.pagination-btn {
    background: var(--store-glass);
    border: 1px solid var(--store-glass-border);
    color: var(--store-text);
    padding: 8px 12px;
    margin: 0 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: var(--store-primary);
    color: var(--store-bg);
}

.pagination-btn.active {
    background: var(--store-primary);
    color: var(--store-bg);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.pagination-info {
    color: var(--store-text-muted);
    padding: 8px 4px;
}

/* ======================================
   LIGHT MODE ADJUSTMENTS
====================================== */
body.light-mode .sort-select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
}

body.light-mode .product-card .card-glow {
    background: radial-gradient(
        800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
        rgba(0, 0, 0, 0.06),
        transparent 40%
    );
}

body.light-mode .quantity-controls,
body.light-mode .quantity-selector {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

.light-mode .modern-product-card {
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.08),
        0 1px 2px rgba(0, 0, 0, 0.06);
}

.light-mode .modern-product-card:hover {
    box-shadow: 
        0 20px 40px rgba(0, 255, 136, 0.1),
        0 8px 16px rgba(0, 0, 0, 0.12);
}

.light-mode .category-card {
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.08),
        0 1px 2px rgba(0, 0, 0, 0.06);
}

.light-mode .category-card:hover {
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

/* ======================================
   RESPONSIVE DESIGN - Verbesserte Abstände
====================================== */
@media (max-width: 1200px) {
    .products-content {
        grid-template-columns: 250px 1fr;
        gap: var(--space-lg); /* Reduzierter Gap für kleinere Bildschirme */
    }
    
    .categories-grid {
        gap: var(--space-lg);
    }
    
    .products-grid,
    .grid-view {
        gap: var(--space-lg);
    }
}

@media (max-width: 992px) {
    .products-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
    
    .filters-sidebar {
        position: static;
        margin-bottom: 2rem;
        margin-right: 0;
        padding: var(--space-lg);
    }
    
    .filters-sidebar.hidden {
        display: block;
    }
    
    .products-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .products-controls {
        justify-content: space-between;
        flex-wrap: nowrap;
    }
    
    .products-main {
        padding-left: 0;
    }
    
    .categories-section,
    .products-section,
    .featured-section {
        padding: 0 var(--space-sm);
    }
}

@media (max-width: 768px) {
    .categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: var(--space-lg);
        padding: var(--space-sm);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--space-lg);
        padding: var(--space-sm);
    }
    
    .grid-view {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: var(--space-md);
        padding: var(--space-sm);
    }
    
    .products-controls {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .filter-button {
        width: 100%;
        justify-content: center;
    }
    
    .quantity-controls {
        max-width: 120px;
    }
    
    .quantity-btn {
        width: 28px;
        height: 28px;
    }
    
    .quantity-input {
        width: 40px;
        font-size: 0.8rem;
    }
    
    /* Quick View Mobile */
    .quick-view-grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
        padding: var(--space-lg);
    }
    
    .quick-view-content {
        margin: var(--space-md);
        max-height: calc(100vh - calc(var(--space-md) * 2));
    }
    
    .product-hover-actions {
        position: static;
        transform: none;
        opacity: 1;
        justify-content: center;
        margin-top: 12px;
    }
    
    .action-btn.quick-view span {
        display: inline;
    }

    .notification-toast {
        right: var(--space-md);
        left: var(--space-md);
        max-width: none;
        transform: translateY(-100px);
    }

    .notification-toast.show {
        transform: translateY(0);
    }

    .list-view .modern-product-card {
        grid-template-columns: 1fr;
    }
    
    .category-card,
    .modern-product-card,
    .product-card {
        margin: var(--space-xs);
    }
    
    .category-card {
        padding: var(--space-lg);
    }
    
    .product-info {
        padding: var(--space-lg);
    }
    
    /* FIXED: 3D Effekte für Mobile deaktivieren UND Button-Stabilität */
    .featured-section .product-card:hover,
    .products-section .product-card:hover,
    .category-card:hover,
    .modern-product-card:hover {
        transform: translateY(-2px) !important;
    }
    
    .featured-section .product-card:hover .product-name,
    .featured-section .product-card:hover .product-description,
    .featured-section .product-card:hover .product-price,
    .featured-section .product-card:hover .product-actions,
    .featured-section .product-card:hover .product-badge {
        transform: none !important;
    }
    
    .featured-section .product-card:hover .product-image img,
    .products-section .product-card:hover .product-image img,
    .modern-product-card:hover .product-image {
        transform: scale(1.02) !important;
    }
    
    /* FIXED: Button-Hover auf Mobile stabilisieren */
    .primary-action-btn:hover {
        transform: none !important;
    }
}

@media (max-width: 576px) {
    .categories-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-xs);
    }
    
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--space-md);
        padding: var(--space-xs);
    }
    
    .category-card {
        margin: var(--space-xs);
        padding: var(--space-md);
    }
    
    .modern-product-card,
    .product-card {
        margin: var(--space-xs);
    }
    
    .product-info {
        padding: var(--space-md);
    }
    
    .quick-view-grid {
        padding: var(--space-md);
    }
}

/* ======================================
   ACCESSIBILITY
====================================== */
.filter-button:focus,
.sort-select:focus,
.price-input:focus,
.apply-price-filter:focus,
.clear-filters:focus,
.add-to-cart-btn:focus,
.quick-view-btn:focus,
.primary-action-btn:focus,
.btn:focus {
    outline: 2px solid var(--store-primary);
    outline-offset: 2px;
}

/* Screen Reader Only Content */
.sr-only {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* High contrast and accessibility */
@media (prefers-contrast: high) {
    .modern-product-card,
    .product-card,
    .category-card {
        border: 2px solid var(--store-border);
    }
    
    .badge, .action-btn, .primary-action-btn, .btn {
        border: 1px solid currentColor;
    }
}

/* ======================================
   REDUCED MOTION SUPPORT - ENHANCED FOR BUTTON STABILITY
====================================== */
@media (prefers-reduced-motion: reduce) {
    *, 
    *::before, 
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
    
    .modern-product-card,
    .product-card,
    .category-card,
    .product-image,
    .action-btn,
    .primary-action-btn,
    .btn {
        transform: none !important;
    }

    .modern-product-card,
    .product-card {
        opacity: 1 !important;
    }

    .product-hover-actions {
        opacity: 1 !important;
        position: static !important;
        transform: none !important;
        justify-content: center !important;
        margin-top: 12px !important;
    }
    
    /* FIXED: Button-Hover bei Reduced Motion komplett deaktivieren */
    .primary-action-btn:hover,
    .add-to-cart-btn:hover {
        transform: none !important;
        box-shadow: none !important;
        background: var(--store-primary) !important;
    }
}

/* ======================================
   PERFORMANCE OPTIMIZATIONS - ENHANCED
====================================== */
.featured-section .product-card,
.modern-product-card,
.category-card {
    will-change: transform, box-shadow;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    /* FIXED: GPU-Acceleration nur wo nötig */
    transform: translateZ(0);
}

.products-section .product-card {
    will-change: transform;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
}

/* FIXED: Button-spezifische Performance-Optimierungen */
.primary-action-btn,
.add-to-cart-btn {
    will-change: transform, background-color;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    transform: translateZ(0);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* FIXED: Text-Rendering-Optimierung */
    text-rendering: optimizeLegibility;
}

/* FIXED: Interaction-Layer für bessere Performance */
.modern-product-card,
.product-card {
    /* Erstelle separaten Compositing-Layer */
    isolation: isolate;
}

/* FIXED: Hover-Performance-Optimierung */
.modern-product-card:hover,
.product-card:hover {
    /* Force hardware acceleration only on hover */
    will-change: transform, box-shadow, border-color;
}