:root {
    --primary-color: #00a3ff;
    --primary-gold: #d4af37;
    --primary-green: #4BA000;
    --discount-color: #ef4444;
    --bg-dark: #0b0e14;
    --card-dark: #161a21;
    --text-white: #ffffff;
    --text-gray: #9ca3af;
}

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

body {
    font-family: 'Poppins', 'Cairo', sans-serif;
    background: linear-gradient(135deg, #0b0e14 0%, #1a1f2e 100%);
    color: var(--text-white);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 30%, rgba(0,163,255,0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(75,160,0,0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* Header المحسّن */
.header-wrapper {
    background: rgba(22, 26, 33, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 10px 40px rgba(0,0,0,0.4);
    border-bottom: 2px solid rgba(0,163,255,0.3);
    position: sticky;
    top: 0;
    z-index: 100;
    animation: slideDown 0.6s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.lang-buttons {
    display: flex;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px;
    border-radius: 50px;
    border: 1px solid rgba(0,163,255,0.2);
}

.lang-btn {
    padding: 8px 15px;
    background: transparent;
    border: none;
    border-radius: 50px;
    color: var(--text-white);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.lang-btn:hover {
    background: rgba(0,163,255,0.2);
    transform: scale(1.1);
}

.lang-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-green));
    box-shadow: 0 4px 15px rgba(0,163,255,0.4);
}

.store-title {
    font-size: 1.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-green) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.home-btn {
    padding: 10px 25px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0,163,255,0.3);
    border-radius: 50px;
    color: var(--text-white);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.home-btn:hover {
    background: rgba(0,163,255,0.2);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(0,163,255,0.4);
    color: var(--text-white);
}

/* Search Bar المحسّن */
.search-container {
    max-width: 1400px;
    margin: 30px auto;
    padding: 0 30px;
    position: relative;
    z-index: 1;
}

.search-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.search-box {
    background: rgba(22, 26, 33, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 2px solid rgba(0,163,255,0.3);
    border-radius: 50px;
    padding: 5px 25px;
    display: flex;
    align-items: center;
    gap: 15px;
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 30px rgba(0,163,255,0.4);
    transform: scale(1.02);
}

.search-box i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.search-box input,
.search-box select {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-white);
    padding: 12px 0;
    outline: none;
    font-size: 1rem;
}

.search-box select {
    cursor: pointer;
}

.search-box input::placeholder {
    color: var(--text-gray);
}

.search-box option {
    background: var(--card-dark);
    color: var(--text-white);
}

/* Products Grid الخارق */
.products-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 30px;
    position: relative;
    z-index: 1;
    transition: margin-left 0.4s ease;
}

body.cart-open .products-container {
    margin-left: 420px;
}

body.cart-open .header-wrapper,
body.cart-open .search-container {
    margin-left: 420px;
    transition: margin-left 0.4s ease;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

/* Product Card الخارق */
.product-card {
    background: linear-gradient(135deg, rgba(0,163,255,0.1) 0%, rgba(22,26,33,0.9) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    overflow: hidden;
    border: 2px solid transparent;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    animation: cardFadeIn 0.6s ease forwards;
    opacity: 0;
    position: relative;
}

.product-card:nth-child(1) { animation-delay: 0.1s; }
.product-card:nth-child(2) { animation-delay: 0.15s; }
.product-card:nth-child(3) { animation-delay: 0.2s; }
.product-card:nth-child(4) { animation-delay: 0.25s; }
.product-card:nth-child(5) { animation-delay: 0.3s; }
.product-card:nth-child(6) { animation-delay: 0.35s; }

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px) rotateX(10deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0);
    }
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 25px;
    padding: 2px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-green));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.5s ease;
}

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

.product-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 50px rgba(0,163,255,0.4);
}

/* Product Image */
.product-image-wrapper {
    position: relative;
    height: 220px;
    overflow: hidden;
    background: linear-gradient(135deg, #1a1f2e 0%, #0b0e14 100%);
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--text-gray);
}

/* Offer Badge */
.offer-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: linear-gradient(135deg, var(--discount-color) 0%, #dc2626 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    box-shadow: 0 5px 20px rgba(239,68,68,0.5);
    animation: pulse-badge 2s infinite;
    z-index: 2;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

/* Product Body */
.product-body {
    padding: 20px;
}

.product-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-white);
}

.product-notes {
    font-size: 0.9rem;
    color: var(--text-gray);
    margin-bottom: 15px;
    line-height: 1.5;
}

/* Price Section */
.price-section {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.price-new {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--discount-color);
}

.price-old {
    font-size: 1.1rem;
    text-decoration: line-through;
    color: var(--text-gray);
}

.price-regular {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Offer Period */
.offer-period {
    background: rgba(239,68,68,0.1);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: 12px;
    padding: 10px 15px;
    font-size: 0.85rem;
    color: var(--discount-color);
    margin-bottom: 15px;
}

/* Add to Cart Button */
.add-to-cart-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0082cc 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(0,163,255,0.3);
    position: relative;
    overflow: hidden;
}

.add-to-cart-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.add-to-cart-btn:hover::before {
    width: 400px;
    height: 400px;
}

.add-to-cart-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0,163,255,0.5);
}

/* Cart Floating Button */
#cartFloatingBtn {
    position: fixed;
    bottom: 100px;
    left: 30px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color) 0%, #0082cc 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0,163,255,0.5);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

#cartFloatingBtn:hover {
    transform: scale(1.15);
    box-shadow: 0 15px 40px rgba(0,163,255,0.7);
}

#cartBadge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--discount-color);
    color: white;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(239,68,68,0.5);
}

/* Cart Sidebar */
#cartOverlay {
    display: none;
}

#cartSidebar {
    position: fixed;
    top: 0;
    left: -450px;
    width: 420px;
    height: 100%;
    background: linear-gradient(135deg, rgba(22,26,33,0.98) 0%, rgba(11,14,20,0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 5px 0 30px rgba(0,0,0,0.5);
    border-right: 2px solid rgba(0,163,255,0.3);
    z-index: 2000;
    transition: left 0.4s ease;
    overflow-y: auto;
}

#cartSidebar.open {
    left: 0;
}

.cart-header {
    padding: 25px;
    border-bottom: 2px solid rgba(0,163,255,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.close-cart-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-white);
    padding: 8px 16px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.close-cart-btn:hover {
    background: rgba(239,68,68,0.2);
    border-color: var(--discount-color);
}

.cart-items {
    padding: 20px;
}

.cart-item {
    background: rgba(22,26,33,0.6);
    border: 1px solid rgba(0,163,255,0.2);
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 15px;
    transition: all 0.3s ease;
}

.cart-item:hover {
    border-color: var(--primary-color);
    transform: translateX(5px);
}

.cart-summary {
    padding: 25px;
    border-top: 2px solid rgba(0,163,255,0.2);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    color: var(--text-white);
}

.summary-total {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.checkout-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    margin-bottom: 15px;
    transition: all 0.4s ease;
    box-shadow: 0 10px 25px rgba(75,160,0,0.3);
}

.checkout-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(75,160,0,0.5);
}

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

.clear-cart-btn {
    width: 100%;
    padding: 14px;
    background: rgba(239,68,68,0.1);
    color: var(--discount-color);
    border: 2px solid rgba(239,68,68,0.3);
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.clear-cart-btn:hover {
    background: rgba(239,68,68,0.2);
    border-color: var(--discount-color);
}

/* Chat Button */
#chatBtn {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(75,160,0,0.5);
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s ease;
}

#chatBtn:hover {
    transform: scale(1.15);
    box-shadow: 0 15px 40px rgba(75,160,0,0.7);
}

/* Chat Window */
#chatWindow {
    position: fixed;
    bottom: 110px;
    left: 30px;
    width: 380px;
    height: 550px;
    background: linear-gradient(135deg, rgba(22,26,33,0.98) 0%, rgba(11,14,20,0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    box-shadow: 0 15px 50px rgba(0,0,0,0.5);
    border: 2px solid rgba(75,160,0,0.3);
    z-index: 1001;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

#chatWindow.open {
    display: flex;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

#chatHeader {
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid rgba(75,160,0,0.3);
}

#chatHeader .chat-store-name {
    font-weight: 700;
    font-size: 1.1rem;
}

#chatHeader .chat-store-status {
    font-size: 0.85rem;
    opacity: 0.9;
}

#chatHeader button {
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: white;
    padding: 8px 12px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
}

#chatHeader button:hover {
    background: rgba(255,255,255,0.2);
    transform: rotate(90deg);
}

#chatMessages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: rgba(11,14,20,0.5);
}

#chatMessages::-webkit-scrollbar {
    width: 6px;
}

#chatMessages::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
    border-radius: 10px;
}

#chatMessages::-webkit-scrollbar-thumb {
    background: rgba(75,160,0,0.5);
    border-radius: 10px;
}

.message {
    margin-bottom: 15px;
    padding: 12px 18px;
    border-radius: 18px;
    max-width: 75%;
    word-wrap: break-word;
    animation: messageSlide 0.3s ease;
}

@keyframes messageSlide {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.message.customer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #0082cc 100%);
    color: white;
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.message.store {
    background: rgba(255,255,255,0.1);
    color: var(--text-white);
    margin-right: auto;
    border-bottom-left-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}

#chatInput {
    display: flex;
    padding: 20px;
    border-top: 2px solid rgba(75,160,0,0.2);
    background: rgba(22,26,33,0.8);
    gap: 12px;
}

#chatInput input {
    flex: 1;
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 25px;
    padding: 12px 20px;
    outline: none;
    color: white;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

#chatInput input:focus {
    border-color: var(--primary-green);
    background: rgba(255,255,255,0.08);
}

#chatInput input::placeholder {
    color: var(--text-gray);
}

#chatInput button {
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    color: white;
    border: none;
    border-radius: 50%;
    width: 45px;
    height: 45px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

#chatInput button:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 20px rgba(75,160,0,0.5);
}

/* Success Toast */
.success-toast {
    position: fixed;
    top: 30px;
    right: 30px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    color: white;
    padding: 18px 30px;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(75,160,0,0.5);
    z-index: 3000;
    animation: slideInRight 0.4s ease, slideOutRight 0.4s ease 2.6s;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
}

@keyframes slideInRight {
    from { transform: translateX(400px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(400px); opacity: 0; }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state i {
    font-size: 5rem;
    color: var(--text-gray);
    margin-bottom: 20px;
}

.empty-state h4 {
    color: var(--text-white);
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-gray);
}

/* Checkout Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 3000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.modal-dialog {
    max-width: 500px;
    width: 90%;
}

.modal-content {
    background: linear-gradient(135deg, rgba(22,26,33,0.98) 0%, rgba(11,14,20,0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 25px;
    border: 2px solid rgba(0,163,255,0.3);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    animation: slideUp 0.4s ease;
}

.modal-header {
    padding: 25px;
    border-bottom: 2px solid rgba(0,163,255,0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-white);
}

.btn-close {
    background: rgba(239,68,68,0.2);
    border: 1px solid rgba(239,68,68,0.3);
    color: var(--discount-color);
    padding: 8px 12px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.btn-close:hover {
    background: rgba(239,68,68,0.3);
    transform: rotate(90deg);
}

.modal-body {
    padding: 25px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-white);
    font-weight: 600;
}

.form-control {
    width: 100%;
    padding: 12px 18px;
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    border-radius: 12px;
    color: var(--text-white);
    font-size: 1rem;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    background: rgba(255,255,255,0.08);
}

.form-control::placeholder {
    color: var(--text-gray);
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 2px solid rgba(0,163,255,0.2);
    display: flex;
    gap: 15px;
    justify-content: flex-end;
}

.btn-secondary {
    padding: 12px 25px;
    background: rgba(255,255,255,0.05);
    border: 2px solid rgba(255,255,255,0.1);
    color: var(--text-white);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
}

.btn-success {
    padding: 12px 30px;
    background: linear-gradient(135deg, var(--primary-green) 0%, #3d8000 100%);
    border: none;
    color: white;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 5px 20px rgba(75,160,0,0.3);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(75,160,0,0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .search-grid {
        grid-template-columns: 1fr;
    }
    
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    #cartSidebar {
        width: 100%;
        left: -100%;
    }
    
    #cartSidebar.open {
        left: 0;
    }
    
    /* إلغاء تأثير الـ margin على الموبايل */
    body.cart-open .products-container,
    body.cart-open .header-wrapper,
    body.cart-open .search-container {
        margin-left: 0;
    }
    
    #cartFloatingBtn,
    #chatBtn {
        width: 60px;
        height: 60px;
        bottom: 20px;
        left: 20px;
    }
    
    #cartFloatingBtn {
        bottom: 90px;
    }
    
    #chatWindow {
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
        bottom: 90px;
        height: 500px;
    }
    
    .header-content {
        padding: 15px 20px;
    }
    
    .store-title {
        font-size: 1.3rem;
    }
    
    .products-container {
        padding: 30px 20px;
    }
    
    .product-card {
        animation-delay: 0s !important;
    }
}