:root {
    --store-bg: linear-gradient(135deg, #060806 0%, #0a120a 100%);
}

.store-hero {
    padding: 140px 0 60px;
    background: 
        radial-gradient(ellipse at 50% 0%, rgba(0, 210, 106, 0.15) 0%, transparent 50%),
        var(--bg-primary);
    text-align: center;
    border-bottom: 1px solid var(--border);
}

.store-hero-content h1 {
    font-size: 3.5rem;
    font-weight: 900;
    margin: 1rem 0;
    background: linear-gradient(135deg, #fff 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.store-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(0, 210, 106, 0.1);
    border: 1px solid rgba(0, 210, 106, 0.2);
    color: var(--accent);
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
}

.categories-nav {
    background: var(--bg-secondary);
    padding: 1.5rem 0;
    position: sticky;
    top: 80px;
    z-index: 100;
    border-bottom: 1px solid var(--border);
}

.category-tabs {
    display: flex;
    gap: 1rem;
    overflow-x: auto;
    padding-bottom: 5px;
}

.cat-tab {
    padding: 0.75rem 1.5rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    white-space: nowrap;
    transition: all 0.3s;
}

.cat-tab:hover {
    border-color: var(--accent);
    color: var(--text-primary);
}

.cat-tab.active {
    background: var(--accent);
    color: #000;
    border-color: var(--accent);
}

.store-content {
    padding: 4rem 0 10rem;
    background: var(--bg-primary);
    min-height: 100vh;
}

.category-section {
    margin-bottom: 5rem;
}

.category-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}

.category-title {
    font-size: 2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
}

.category-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.btn-view-all {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 0.75rem 1.25rem;
    border-radius: 12px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    transition: all 0.3s;
}

.btn-view-all:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.arrow-icon {
    transition: transform 0.3s;
}

.category-section.expanded .arrow-icon {
    transform: rotate(180deg);
}

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.items-grid.collapsed {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.item-card {
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 20px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    backdrop-filter: blur(20px);
}

.item-card:hover {
    transform: translateY(-10px);
    border-color: rgba(0, 210, 106, 0.3);
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}

.item-image {
    position: relative;
    height: 200px;
    overflow: hidden;
    background: linear-gradient(135deg, #0f130f 0%, #1a1f1a 100%);
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 1rem;
    transition: transform 0.5s;
}

.item-card:hover .item-image img {
    transform: scale(1.1);
}

.item-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--accent);
    color: #000;
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 800;
}

.item-info {
    padding: 1.5rem;
}

.item-category {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.item-name {
    font-size: 1.2rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.5rem;
}

.item-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.item-price {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--accent);
    text-shadow: 0 0 20px rgba(0, 210, 106, 0.3);
}

.btn-add-cart {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(0, 210, 106, 0.1);
    border: 1px solid rgba(0, 210, 106, 0.2);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.btn-add-cart:hover {
    background: var(--accent);
    color: #000;
    transform: scale(1.1);
}

.cart-badge {
    background: #ff4757;
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.cart-sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 400px;
    height: 100vh;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    z-index: 3000;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
}

.cart-sidebar.open {
    right: 0;
}

.cart-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 2999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s;
}

.cart-overlay.visible {
    opacity: 1;
    visibility: visible;
}

.cart-header {
    padding: 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 1rem;
}

.cart-item img {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    object-fit: cover;
    background: #0f130f;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 800;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    color: var(--accent);
    font-weight: 700;
}

.cart-item-remove {
    background: none;
    border: none;
    color: #ff4757;
    cursor: pointer;
    padding: 0.5rem;
}

.cart-footer {
    padding: 2rem;
    border-top: 1px solid var(--border);
    background: var(--glass);
}

.cart-total {
    display: flex;
    justify-content: space-between;
    font-size: 1.3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.cart-total span:last-child {
    color: var(--accent);
}

.empty-cart {
    text-align: center;
    color: var(--text-secondary);
    padding: 3rem;
}

.item-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    z-index: 2500;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.item-modal.active {
    display: flex;
}

.modal-content {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 24px;
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    overflow: hidden;
    position: relative;
    animation: modalSlide 0.3s ease;
}

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

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--glass);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.modal-close:hover {
    background: #ff4757;
    border-color: #ff4757;
    color: white;
}

.modal-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 500px;
}

.modal-image {
    background: linear-gradient(135deg, #0a0d0a 0%, #151a15 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
}

.modal-image img {
    max-width: 100%;
    max-height: 400px;
    object-fit: contain;
    border-radius: 16px;
}

.modal-info {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.modal-cat {
    color: var(--accent);
    font-weight: 800;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.modal-info h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
}

.modal-info p {
    color: var(--text-secondary);
    line-height: 2;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.modal-price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border);
}

.modal-price {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--accent);
}

@media (max-width: 1024px) {
    .items-grid.collapsed {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-body {
        grid-template-columns: 1fr;
    }
    
    .modal-image {
        height: 300px;
    }
}

@media (max-width: 768px) {
    .category-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
    
    .items-grid.collapsed {
        grid-template-columns: 1fr;
    }
    
    .cart-sidebar {
        width: 100%;
        right: -100%;
    }
    
    .category-tabs {
        overflow-x: scroll;
        -webkit-overflow-scrolling: touch;
    }
}