* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto",
        "Oxygen", "Ubuntu", "Cantarell", sans-serif;
    background-color: #f9fafb;
    min-height: 100vh;
}

/* Header */
.header {
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 10;
}

.header-content {
    max-width: 1280px;
    margin: 0 auto;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.title {
    font-size: 24px;
    font-weight: bold;
    color: #111827;
}

.nav {
    display: flex;
    gap: 16px;
}

.nav-button {
    padding: 10px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.2s;
    background-color: #e5e7eb;
    color: #374151;
    display: flex;
    align-items: center;
    position: relative;
}

.nav-button:hover {
    background-color: #d1d5db;
}

.nav-button.active {
    background-color: #2563eb;
    color: #ffffff;
}

.cart-badge {
    position: absolute;
    top: -8px;
    right: -8px;
    background-color: #ef4444;
    color: #ffffff;
    font-size: 12px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Main */
.main {
    max-width: 1280px;
    margin: 0 auto;
    padding: 32px 16px;
}

.page-title {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 24px;
    color: #111827;
}

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 256px;
    color: #6b7280;
    font-size: 18px;
}

/* Products Grid */
.product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
}

.product-card {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    transition: all 0.3s;
    cursor: pointer;
}

.product-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.product-image-container {
    aspect-ratio: 1;
    background-color: #f3f4f6;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-image {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.product-info {
    padding: 16px;
}

.product-title {
    font-weight: 600;
    color: #111827;
    margin-bottom: 8px;
    min-height: 48px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-description {
    font-size: 14px;
    color: #6b7280;
    margin-bottom: 12px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.product-price {
    font-size: 20px;
    font-weight: bold;
    color: #2563eb;
}

.add-button {
    background-color: #2563eb;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}

.add-button:hover {
    background-color: #1e40af;
}

.add-button:active {
    transform: scale(0.95);
}
.added-button {
    background-color: red;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.2s;
}
.added-button:hover {
    background-color: #c34040;
}
.added-button:active{
    transform: scale(0.95);
}
/* Cart */
.empty-cart {
    text-align: center;
    padding: 64px 0;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.empty-cart-icon {
    width: 64px;
    height: 64px;
    color: #d1d5db;
    margin-bottom: 16px;
}

.empty-cart-text {
    color: #6b7280;
    font-size: 18px;
    margin-bottom: 16px;
}

.shop-button {
    background-color: #2563eb;
    color: #ffffff;
    padding: 12px 24px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.shop-button:hover {
    background-color: #1e40af;
}

.cart-items {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.cart-item {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 16px;
    display: flex;
    gap: 16px;
}

.cart-item-image {
    width: 100px;
    height: 100px;
    background-color: #f3f4f6;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cart-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.cart-item-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cart-item-title {
    font-size: 16px;
    font-weight: 600;
    color: #111827;
}

.cart-item-price {
    font-size: 14px;
    color: #6b7280;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
}

.quantity-button {
    background-color: #f3f4f6;
    border: none;
    border-radius: 6px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 18px;
}

.quantity-button:hover {
    background-color: #e5e7eb;
}

.quantity {
    font-size: 16px;
    font-weight: 600;
    min-width: 30px;
    text-align: center;
}

.cart-item-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: space-between;
}

.item-total {
    font-size: 18px;
    font-weight: bold;
    color: #111827;
}

.remove-button {
    background-color: #ef4444;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 18px;
}

.remove-button:hover {
    background-color: #dc2626;
}

.cart-summary {
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 24px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.summary-label {
    font-size: 20px;
    font-weight: 600;
    color: #111827;
}

.summary-total {
    font-size: 28px;
    font-weight: bold;
    color: #2563eb;
}

.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 12px;
    }

    .cart-item {
        flex-direction: column;
    }

    .cart-item-image {
        width: 100%;
        height: 150px;
    }

    .nav {
        gap: 8px;
    }

    .nav-button {
        padding: 8px 12px;
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
}