:root {
    --color-primary: #D84315;
    --color-primary-light: #E64A19;
    --color-primary-dark: #BF360C;
    --color-secondary: #FFA726;
    --color-accent: #1A237E;
    --color-accent-light: #283593;
    --color-success: #4CAF50;
    --color-danger: #E53935;
    --color-warning: #F57C00;
    --color-text: #212121;
    --color-text-light: #616161;
    --color-bg: #FAFAFA;
    --color-bg-secondary: #FFFFFF;
    --color-border: #E0E0E0;
    --color-shadow: rgba(0, 0, 0, 0.12);
    --color-shadow-hover: rgba(0, 0, 0, 0.16);
    
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    
    --border-radius: 12px;
    --border-radius-sm: 8px;
    --border-radius-lg: 16px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 4px var(--color-shadow);
    --shadow-md: 0 4px 8px var(--color-shadow);
    --shadow-lg: 0 8px 16px var(--color-shadow-hover);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    color: white;
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    max-width: 100%;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.logo-icon {
    font-size: 2.5rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-8px); }
}

.header h1 {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-xs);
}

.header p {
    opacity: 0.9;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Container */
.container {
    padding: var(--spacing-lg) var(--spacing-md);
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 140px;
}

/* Categories */
.categories {
    display: flex;
    overflow-x: auto;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-2xl);
    padding: var(--spacing-sm) 0;
    scroll-behavior: smooth;
}

.categories::-webkit-scrollbar {
    height: 6px;
}

.categories::-webkit-scrollbar-track {
    background: var(--color-border);
    border-radius: 10px;
}

.categories::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 10px;
}

.category-btn {
    flex-shrink: 0;
    background: var(--color-bg-secondary);
    color: var(--color-text-light);
    border: 2px solid var(--color-border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: 25px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    white-space: nowrap;
}

.category-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.category-btn.active {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    color: white;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-2xl);
}

/* Product Card */
.product-card {
    background: var(--color-bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.product-image {
    height: 180px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    overflow: hidden;
    position: relative;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.product-card:hover .product-image img {
    transform: scale(1.08);
}

.product-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--color-danger);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.product-badge.success {
    background: var(--color-success);
}

.product-badge.warning {
    background: var(--color-warning);
}

/* Product Info */
.product-info {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    font-size: 0.85rem;
}

.rating-stars {
    color: var(--color-warning);
    letter-spacing: 1px;
}

.rating-count {
    color: var(--color-text-light);
    font-size: 0.8rem;
}

.product-name {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text);
    line-height: 1.3;
}

.product-description {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    flex: 1;
}

.product-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.product-price {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-primary);
}

.product-price-old {
    font-size: 0.85rem;
    color: var(--color-text-light);
    text-decoration: line-through;
    margin-right: var(--spacing-xs);
}

.add-to-cart-btn {
    flex: 1;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}

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

.add-to-cart-btn:active {
    transform: translateY(0);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    backdrop-filter: blur(4px);
    animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: var(--color-bg-secondary);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes slideUp {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    background: var(--color-bg-secondary);
    z-index: 10;
}

.modal-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
}

.close-btn {
    background: var(--color-bg);
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--color-text-light);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.close-btn:hover {
    background: var(--color-border);
    color: var(--color-text);
}

.modal-body {
    padding: var(--spacing-lg);
}

/* Option Groups */
.option-group {
    margin-bottom: var(--spacing-2xl);
}

.option-group h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.option-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--color-bg);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.option-item:hover {
    background: rgba(216, 67, 21, 0.05);
    border-color: var(--color-primary);
}

.option-item.selected {
    background: rgba(216, 67, 21, 0.1);
    border-color: var(--color-primary);
    box-shadow: inset 0 0 0 1px var(--color-primary);
}

.option-info {
    flex: 1;
}

.option-name {
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.option-price {
    font-size: 0.85rem;
    color: var(--color-primary);
    font-weight: 700;
}

.option-checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.option-item.selected .option-checkbox {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

/* Quantity Controls */
.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-lg);
    margin: var(--spacing-2xl) 0;
    background: var(--color-bg);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
}

.quantity-btn {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: none;
    background: var(--color-primary);
    color: white;
    font-size: 1.4rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: var(--color-primary-light);
    transform: scale(1.05);
}

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

.quantity-display {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text);
    min-width: 60px;
    text-align: center;
}

/* Total Price */
.total-price {
    font-size: 1.8rem;
    font-weight: 700;
    text-align: center;
    color: var(--color-primary);
    margin: var(--spacing-xl) 0;
    background: rgba(216, 67, 21, 0.08);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-sm);
}

/* Cart Info */
.cart-info {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    padding: var(--spacing-md);
    border-top: 2px solid var(--color-border);
    display: none;
    box-shadow: 0 -4px 16px var(--color-shadow-hover);
    animation: slideUpCart 0.3s ease;
    z-index: 500;
}

@keyframes slideUpCart {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

.cart-info.show {
    display: block;
}

.cart-summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.cart-items-count {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

.cart-total-price {
    font-size: 1.4rem;
    color: var(--color-primary);
    font-weight: 700;
}

/* Cart Header */
.cart-header {
    padding: 24px 24px 16px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    position: sticky;
    top: 0;
    background: var(--tg-theme-bg-color, #ffffff);
    z-index: 10;
    display: flex;
    align-items: center;
    gap: 12px;
}

.cart-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--tg-theme-text-color, #1a1a2e);
    margin: 0;
    flex: 1;
}

.cart-count {
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
}

.close-cart {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--tg-theme-hint-color, #666);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.close-cart:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--tg-theme-text-color, #1a1a2e);
}

/* Cart Items Container */
.total-items-container {
    padding: 16px 24px 24px;
    max-height: calc(90vh - 200px);
    overflow-y: auto;
}

/* Individual Cart Item - MAIN STYLES */
.total-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    transition: all 0.3s ease;
    position: relative;
}

.total-item:hover {
    background: rgba(255, 107, 53, 0.03);
    padding-left: 8px;
    border-radius: 16px;
}

/* Product Image */
.total-item-image {
    width: 72px;
    height: 72px;
    border-radius: 16px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: white;
    flex-shrink: 0;
    overflow: hidden;
}

.total-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Info */
.total-item-info {
    flex: 1;
    min-width: 120px;
}

.total-item-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--tg-theme-text-color, #1a1a2e);
    margin-bottom: 4px;
    line-height: 1.3;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.total-item-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
    margin-bottom: 12px;
}

.total-item-size,
.total-item-toppings {
    font-size: 14px;
    color: var(--tg-theme-hint-color, #666);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.total-item-toppings {
    max-height: 20px;
}

/* Quantity Controls */
.total-item-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.quantity-controls {
    display: flex;
    align-items: center;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 12px;
    padding: 4px;
}

.quantity-btn {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: none;
    background: var(--tg-theme-button-color, #ff6b35);
    color: white;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover:not(:disabled) {
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(255, 107, 53, 0.4);
}

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

.quantity-display {
    font-size: 18px;
    font-weight: 700;
    color: var(--tg-theme-text-color, #1a1a2e);
    min-width: 28px;
    text-align: center;
    padding: 0 8px;
}

/* Price */
.total-item-price {
    font-size: 20px;
    font-weight: 800;
    color: #d84315;
    white-space: nowrap;
    min-width: 80px;
    text-align: right;
}

/* Remove Item Button */
.remove-item-btn {
    background: rgba(211, 67, 21, 0.1);
    color: #d84315;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: all 0.2s ease;
    opacity: 0;
    flex-shrink: 0;
}

.total-item:hover .remove-item-btn {
    opacity: 1;
}

/* Cart Footer */
.cart-footer {
    padding: 24px;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: var(--tg-theme-bg-color, #ffffff);
}

.cart-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 16px;
}

.cart-total-row span:first-child {
    font-weight: 600;
    color: var(--tg-theme-text-color, #1a1a2e);
}

.cart-total-price {
    font-size: 28px;
    font-weight: 800;
    color: #d84315;
}

.checkout-btn-large {
    width: 100%;
    background: linear-gradient(135deg, #ff6b35 0%, #f7931e 100%);
    color: white;
    border: none;
    padding: 18px;
    border-radius: 16px;
    font-size: 18px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.3);
}

.checkout-btn-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.4);
}

/* Empty Cart State */
.empty-cart {
    text-align: center;
    padding: 60px 24px;
    color: var(--tg-theme-hint-color, #888);
}

.empty-cart-icon {
    font-size: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-cart h3 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--tg-theme-text-color, #333);
}

.checkout-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--color-success) 0%, #45a049 100%);
    color: white;
    border: none;
    padding: var(--spacing-md);
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.checkout-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.checkout-btn:active {
    transform: translateY(0);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-md);
    color: var(--color-text-light);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.empty-state h3 {
    font-size: 1.3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.empty-state p {
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Loading State */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 400px;
    font-size: 1.1rem;
    color: var(--color-text-light);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: var(--spacing-md);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Responsive */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.4rem;
    }

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

    .product-image {
        height: 140px;
        font-size: 2.5rem;
    }

    .modal-content {
        max-height: 85vh;
    }

    .container {
        padding-bottom: 160px;
    }
}

@media (max-width: 480px) {
    .header {
        padding: var(--spacing-md);
    }

    .header h1 {
        font-size: 1.2rem;
    }

    .logo-icon {
        font-size: 2rem;
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .product-image {
        height: 120px;
        font-size: 2rem;
    }

    .product-name {
        font-size: 0.95rem;
    }

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

    .quantity-controls {
        gap: var(--spacing-md);
    }

    .total-item {
        gap: 12px;
        padding: 16px 0;
    }
    
    .total-item-image {
        width: 60px;
        height: 60px;
        font-size: 24px;
    }
    
    .total-item-name {
        font-size: 16px;
    }

    .quantity-btn {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }
}