/* Base Styles - Layout and Structure */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-attachment: fixed;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-button, .about-link {
    border: none;
    padding: 0.6rem 1.25rem;
    border-radius: 25px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-width: 110px;
}

.cart-button:hover, .about-link:hover {
    transform: translateY(-2px);
}

.cart-button:active, .about-link:active {
    transform: translateY(0);
}

/* Footer */
footer {
    padding: 2rem 0;
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

footer .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.footer-link {
    color: inherit;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.6;
    transition: opacity 0.3s ease;
}

.footer-link:hover {
    opacity: 1;
}

/* Products Grid */
main {
    padding: 3rem 0 2rem 0;
    flex: 1;
}

/* Category Navigation */
.category-nav {
    margin-bottom: 3rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* Category Filter */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.category-btn {
    background-color: transparent;
    padding: 0.5rem 1.25rem;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s;
    min-width: 120px;
    text-align: center;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 0;
}

.product-card {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.product-card:hover {
    transform: translateY(-8px) scale(1.02);
}

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

.product-image {
    width: 100%;
    height: 300px;
    object-fit: contain;
    transition: transform 0.4s ease;
    background-color: rgba(255, 255, 255, 0.05);
}

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

.product-info {
    padding: 1rem;
}

.product-name {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: capitalize;
}

.product-description {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.25rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.product-price-placeholder {
    font-size: 1rem;
    font-style: italic;
    opacity: 0.7;
    margin-bottom: 1rem;
    padding: 1.5rem 0;
}

.btn {
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: opacity 0.3s;
}

.btn:hover {
    opacity: 0.9;
}

.btn-primary {
    color: white;
    font-weight: 600;
    transition: all 0.3s ease;
}

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

.btn-block {
    width: 100%;
}

.add-to-cart-btn {
    color: white;
    width: 100%;
    font-weight: 600;
    transition: all 0.3s ease;
}

.add-to-cart-btn:hover {
    transform: translateY(-2px);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 1000;
    overflow-y: auto;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    border-radius: 16px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    margin: 2rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.8);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-small {
    max-width: 400px;
}

.modal-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 1.5rem;
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
}

.modal-body {
    padding: 1.5rem;
    overflow-y: auto;
}

.modal-footer {
    padding: 1.5rem;
}

/* Cart Items */
.cart-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
}

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

.cart-item-name {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.cart-item-price {
    font-size: 0.9rem;
}

.cart-item-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.quantity-btn {
    width: 30px;
    height: 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s;
}

.remove-btn {
    background-color: #c44536;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    cursor: pointer;
    margin-left: 0.5rem;
    transition: all 0.3s;
}

.remove-btn:hover {
    background-color: #a33628;
}

.cart-total {
    padding: 1.5rem;
    text-align: right;
    font-size: 1.25rem;
    border-top: 2px solid #30363d;
    margin-top: 1rem;
}

.empty-cart {
    text-align: center;
    padding: 2rem;
}

/* Form */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
}

.order-summary {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
}

.order-summary h3 {
    margin-bottom: 1rem;
}

.checkout-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #21262d;
}

.checkout-total {
    padding-top: 1rem;
    text-align: right;
    font-size: 1.1rem;
}

.success-message {
    text-align: center;
    font-size: 1.1rem;
    padding: 1rem;
}

.loading {
    text-align: center;
    padding: 2rem;
}

/* Product Detail Modal */
.modal-product {
    max-width: 1000px;
}

.modal-body-product {
    display: flex;
    gap: 2rem;
    padding: 1.5rem;
}

.product-modal-left {
    flex: 1;
    min-width: 0;
}

.product-modal-right {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.image-magnifier-container {
    position: relative;
    display: inline-block;
    width: 100%;
}

.product-modal-image {
    width: 100%;
    max-width: 100%;
    height: 500px;
    object-fit: contain;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.4);
    display: block;
    cursor: crosshair;
}

.magnifier-glass {
    position: absolute;
    border: 3px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    cursor: none;
    width: 150px;
    height: 150px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s ease;
    background-repeat: no-repeat;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5), inset 0 0 20px rgba(255, 255, 255, 0.2);
    z-index: 10;
}

.magnifier-glass.active {
    opacity: 1;
}

.product-modal-description {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.product-modal-price {
    font-size: 1.75rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
}

/* Product Size Selector */
.product-size-selector {
    margin-bottom: 1.5rem;
}

.product-size-selector label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.size-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.size-btn {
    padding: 0.75rem 1.25rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
    color: inherit;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s ease;
    min-width: 60px;
    text-align: center;
}

.size-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.size-btn.active {
    border-color: #58a6ff;
    background-color: rgba(88, 166, 255, 0.2);
    color: #58a6ff;
}

/* Product Quantity Selector */
.product-quantity-selector {
    margin-bottom: 1.5rem;
}

.product-quantity-selector label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.quantity-controls input[type="number"] {
    width: 80px;
    padding: 0.75rem;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
    color: inherit;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: center;
    font-family: inherit;
}

.quantity-controls input[type="number"]:focus {
    outline: none;
    border-color: #58a6ff;
}

.quantity-controls .quantity-btn {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background-color: rgba(255, 255, 255, 0.05);
    color: inherit;
    border-radius: 8px;
    font-size: 1.5rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-controls .quantity-btn:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

.quantity-controls .quantity-btn:active {
    transform: scale(0.95);
}

/* Cart item size styling */
.cart-item-size {
    font-size: 0.85rem;
    opacity: 0.7;
    font-style: italic;
}

/* Add to Cart Toast Notification */
.cart-toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #238636;
    color: white;
    padding: 1rem 2rem;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    z-index: 10000;
    transition: bottom 0.3s ease, opacity 0.3s ease;
    opacity: 0;
}

.cart-toast.show {
    bottom: 30px;
    opacity: 1;
}

.toast-icon {
    font-size: 1.5rem;
    background-color: rgba(255, 255, 255, 0.2);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (max-width: 768px) {
    .cart-toast {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .cart-toast.show {
        bottom: 20px;
    }
}

/* Scroll to Top Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.product-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.2s; }
.product-card:nth-child(3) { animation-delay: 0.3s; }
.product-card:nth-child(4) { animation-delay: 0.4s; }

/* Responsive */
@media (max-width: 768px) {
    main {
        padding: 2rem 0;
    }

    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 1rem;
    }

    footer {
        padding: 1.5rem 0;
    }

    .footer-link {
        font-size: 0.85rem;
    }

    .cart-button, .about-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
        min-width: 90px;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .product-card:hover {
        transform: translateY(-4px) scale(1.01);
    }

    .modal-content {
        width: 95%;
        margin: 1rem;
    }

    .modal-body-product {
        flex-direction: column;
        gap: 1rem;
    }

    .product-modal-image {
        height: auto;
        max-height: 400px;
    }

    .category-nav {
        margin-bottom: 2rem;
        flex-direction: column;
    }

    .category-filter {
        gap: 0.5rem;
        justify-content: center;
    }

    .category-btn {
        padding: 0.4rem 0.75rem;
        font-size: 0.85rem;
        min-width: 90px;
    }

    .product-image {
        height: 180px;
    }

    .product-info {
        padding: 0.75rem;
    }

    .product-name {
        font-size: 1rem;
    }

    .product-price {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .product-image {
        height: 200px;
    }

    .cart-button, .about-link {
        min-width: 80px;
        font-size: 0.8rem;
    }

    .category-btn {
        min-width: 80px;
        font-size: 0.8rem;
    }
}