:root {
    --bg-dark: #1A1D2B;
    --bg-cards: #252936;
    --bg-sidebar: #2C3040;
    --primary-accent: #FF8C00;
    --secondary-accent: #FFD700;
    --text-light: #F0F0F0;
    --text-muted: #A0A0A0;
    --border-color: #3A3F51;
    --success-color: #32CD32;
    --font-main: 'Cairo', sans-serif;
    --shadow-soft: 0 6px 18px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 10px 30px rgba(0, 0, 0, 0.25);
    --border-radius: 10px;
    --transition-main: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

#preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: var(--bg-dark); z-index: 9999;
    display: flex; justify-content: center; align-items: center;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}
#preloader.hidden { opacity: 0; visibility: hidden; }
.spinner {
    width: 45px; height: 45px; border: 5px solid var(--border-color);
    border-top-color: var(--primary-accent); border-radius: 50%;
    animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background-color: var(--bg-dark);
    color: var(--text-light);
    line-height: 1.7;
    overflow-x: hidden;
    font-weight: 400;
}

.navbar {
    background-color: rgba(26, 29, 43, 0.9);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    color: var(--text-light); padding: 15px 30px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.15);
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0; z-index: 1000;
}
.navbar-brand {
    font-family: var(--font-main);
    font-size: 1.8em; font-weight: 800;
    color: var(--primary-accent); text-decoration: none;
    letter-spacing: 0.5px;
}
.cart-toggle-button {
    background: none; border: none; font-size: 1.6em;
    color: var(--text-light); cursor: pointer; position: relative; padding: 8px;
    transition: color 0.3s;
}
.cart-toggle-button:hover { color: var(--primary-accent); }
.cart-toggle-button .cart-count-badge {
    position: absolute; top: 0px; right: -3px;
    background-color: var(--primary-accent); color: var(--bg-dark);
    font-size: 0.5em; padding: 3px 6px;
    border-radius: 50%; font-weight: bold;
    border: 1px solid var(--bg-sidebar);
}

.hero-section {
    height: auto;
    min-height: 90vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 50px 20px;
    background: linear-gradient(rgba(26, 29, 43, 0.75), rgba(26, 29, 43, 0.9)),
                url('https://images.unsplash.com/photo-1555939594-58d7cb561ad1?auto=format&fit=crop&q=80&w=1740') no-repeat center center/cover;
    color: var(--text-light);
    margin-bottom: 30px;
}
.hero-logo {
    max-width: 130px; margin-bottom: 20px; border-radius: var(--border-radius);
    
}
.hero-section h1 {
    font-family: var(--font-main);
    font-size: 2.8em; font-weight: 800;
    margin-bottom: 10px; text-shadow: 1px 1px 5px rgba(0,0,0,0.4);
}
.hero-section .hero-subtitle {
    font-size: 1.15em;
    font-weight: 400;
    max-width: 650px;
    margin: 0 auto 25px auto;
    color: var(--text-muted);
    /* line-height: 1.6; */
}
.hero-cta-button {
    background-color: var(--primary-accent); color: var(--bg-dark);
    padding: 10px 25px; border-radius: 25px;
    text-decoration: none; font-weight: 700; font-size: 1em;
    transition: var(--transition-main);
    box-shadow: 0 3px 10px rgba(255, 140, 0, 0.25);
}
.hero-cta-button:hover {
    background-color: var(--secondary-accent);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
}

.container {
    max-width: 1200px; margin-left: auto; margin-right: auto;
    padding-left: 15px; padding-right: 15px;
    margin-top: 30px; margin-bottom: 30px;
}

.controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center; /* Default alignment */
    margin-bottom: 30px;
    gap: 15px;
    flex-wrap: nowrap; /* Prevent wrapping by default for desktop */
    padding: 15px;
    background-color: var(--bg-cards);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
}
.search-container {
    position: relative;
    flex-grow: 1;
    min-width: 200px; /* Adjust as needed for mobile */
}
#search-input {
    width: 100%; padding: 12px 18px 12px 45px;
    border: 1px solid var(--border-color); border-radius: 25px;
    font-family: var(--font-main); font-size: 0.95em;
    outline: none; transition: var(--transition-main);
    background-color: var(--bg-dark); color: var(--text-light);
}
#search-input::placeholder { color: var(--text-muted); }
#search-input:focus {
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 2px rgba(255, 140, 0, 0.15);
}
.search-icon {
    position: absolute; left: 18px; top: 50%;
    transform: translateY(-50%); color: var(--text-muted); font-size: 1.1em;
}
html[dir="rtl"] .search-icon { right: 18px; left: auto; }
html[dir="rtl"] #search-input { padding: 12px 45px 12px 18px; }

.view-toggle-btn {
    background-color: var(--bg-dark); color: var(--text-light);
    border: 1px solid var(--border-color); padding: 10px;
    border-radius: var(--border-radius); cursor: pointer; font-size: 1.3em;
    transition: var(--transition-main); display: flex; align-items: center; justify-content: center;
    width: 45px; height: 45px;
    flex-shrink: 0;
}
.view-toggle-btn:hover, .view-toggle-btn.active-compact-view {
    background-color: var(--primary-accent); color: var(--bg-dark);
    border-color: var(--primary-accent);
}

/* Filters Styling */
.filters-container-wrapper {
    overflow-x: auto;
    overflow-y: hidden; /* إزالة شريط التمرير العمودي */
    padding-bottom: 12px; /* Ensure space for horizontal scrollbar if needed */
    margin-bottom: 35px;
    -webkit-overflow-scrolling: touch;
    height: auto; /* Allow height to be determined by content */
}
.filters-container-wrapper::-webkit-scrollbar { height: 5px; }
.filters-container-wrapper::-webkit-scrollbar-thumb { background: var(--primary-accent); border-radius: 8px; }
.filters-container-wrapper::-webkit-scrollbar-track { background: var(--border-color); border-radius: 8px; }

.filters-container {
    display: flex;
    flex-wrap: nowrap;
    gap: 12px;
    padding-bottom: 5px; /* For scrollbar visibility */
    align-items: center; /* Ensure buttons are aligned if they have different heights */
}
.filter-btn {
    font-family: var(--font-main); /* التأكد من تطبيق الخط */
    background-color: var(--bg-cards); color: var(--text-light);
    border: 1px solid var(--border-color); padding: 8px 20px;
    border-radius: 20px; cursor: pointer; font-size: 0.9em; font-weight: 600;
    transition: var(--transition-main); white-space: nowrap; flex-shrink: 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.filter-btn:hover {
    background-color: var(--secondary-accent); color: var(--bg-dark);
    border-color: var(--secondary-accent); transform: translateY(-1px);
}
.filter-btn.active {
    background-color: var(--primary-accent); color: var(--bg-dark);
    border-color: var(--primary-accent); font-weight: 700;
    box-shadow: 0 3px 8px rgba(255, 140, 0, 0.2);
}

.category-section { margin-bottom: 50px; }
.category-title {
    font-family: var(--font-main);
    font-size: 2em; font-weight: 700;
    color: var(--text-light); padding-bottom: 10px; margin-bottom: 30px;
    text-align: right; position: relative;
    border-bottom: 2px solid var(--primary-accent); display: inline-block;
}
 .category-title::after {
    content: ''; position: absolute;
    bottom: -4px; right: 0; width: 40px; height: 3px;
    background-color: var(--secondary-accent);
    border-radius: 2px;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}
@media (max-width: 600px) {
    .controls-bar {
        /* flex-direction: column; /* هذا ما كان يسبب النزول لسطر جديد */
        /* align-items: stretch;   /* هذا ما كان يسبب النزول لسطر جديد */
        flex-wrap: nowrap; /* منع الالتفاف لضمان بقائهما في نفس السطر */
        align-items: center; /* توسيط العناصر عمودياً */
    }
    .search-container {
        flex-grow: 1; /* اسمح لصندوق البحث بأخذ المساحة المتاحة */
         margin-left: 10px; /* مسافة بين البحث وزر العرض */
    }
     html[dir="rtl"] .search-container {
        margin-left: 0;
        margin-right: 10px;
    }
    .view-toggle-btn {
        flex-shrink: 0; /* لا تسمح للزر بالانكماش */
    }

    .products-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }
     body.compact-view .products-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
}


.product-card {
    background-color: var(--bg-cards);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-main);
    display: flex; flex-direction: column; overflow: hidden;
}
.product-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-medium);
}
.product-image-container {
    width: 100%; height: 220px; overflow: hidden; position: relative;
}
 @media (max-width: 600px) {
    .product-image-container { height: 160px; }
     body.compact-view .product-image-container { height: 180px; }
}

.product-card img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.35s ease-out;
}
.product-card:hover img { transform: scale(1.08); }

.product-card-content {
    padding: 15px; display: flex; flex-direction: column;
    flex-grow: 1; position: relative;
}
@media (max-width: 600px) { .product-card-content { padding: 12px; } }

.product-card h3 {
    font-family: var(--font-main);
    font-weight: 700; font-size: 1.15em;
    color: var(--text-light); margin-bottom: 8px; line-height: 1.4;
    min-height: 2.8em;
}
 @media (max-width: 600px) { .product-card h3 { font-size: 1em; min-height: 2.4em; margin-bottom: 6px;} }

.product-description {
    font-size: 0.85em; color: var(--text-muted); margin-bottom: 12px;
    line-height: 1.5; min-height: 3em;
    display: -webkit-box; -webkit-line-clamp: 2;
    -webkit-box-orient: vertical; overflow: hidden;
}
 @media (max-width: 600px) { .product-description { font-size: 0.8em; min-height: 2.6em; margin-bottom: 8px; -webkit-line-clamp: 2;} }

.product-card .price {
    font-size: 1.1em; margin-bottom: 12px; font-weight: 700;
    color: var(--success-color);
}
 @media (max-width: 600px) { .product-card .price { font-size: 1em; margin-bottom: 10px;} }

.product-card-actions { margin-top: auto; }
.product-card .customize-btn,
.product-card .direct-add-btn {
    background-color: var(--primary-accent); color: var(--bg-dark);
    border: none; padding: 10px 15px;
    font-size: 0.9em; font-weight: 700;
    border-radius: 20px; cursor: pointer;
    transition: var(--transition-main); width: 100%;
    display: flex; align-items: center; justify-content: center; gap: 6px;
}
.product-card .customize-btn:hover,
.product-card .direct-add-btn:hover {
    background-color: var(--secondary-accent); transform: scale(1.02);
}
@media (max-width: 600px) {
    .product-card .customize-btn,
    .product-card .direct-add-btn { padding: 8px 10px; font-size: 0.8em; }
}

body.compact-view .products-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}
body.compact-view .product-image-container { height: 150px; }
body.compact-view .product-card-content { padding: 12px; }
body.compact-view .product-card h3 { font-size: 1em; min-height: 2.4em; }
body.compact-view .product-description { font-size: 0.8em; min-height: 2.6em; -webkit-line-clamp: 2;}
body.compact-view .product-card .price { font-size: 0.95em; }
body.compact-view .product-card .customize-btn,
body.compact-view .product-card .direct-add-btn { padding: 8px 12px; font-size: 0.85em; }

.modal-overlay {
    display: none; position: fixed; top: 0; left: 0;
    width: 100%; height: 100%; background-color: rgba(0,0,0,0.8);
    z-index: 1001; justify-content: center; align-items: center;
    backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.active { display: flex; }
.modal-content {
    background-color: var(--bg-cards); color: var(--text-light);
    padding: 25px; border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    width: 90%; max-width: 550px; max-height: 85vh;
    overflow-y: auto; position: relative; animation: zoomInModal 0.35s cubic-bezier(0.165, 0.84, 0.44, 1);
}
@keyframes zoomInModal { from { opacity: 0; transform: scale(0.85); } to { opacity: 1; transform: scale(1); } }
.modal-close-btn {
    position: absolute; top: 12px; left: 12px;
    background: none; border: none; font-size: 2em;
    color: var(--text-muted); cursor: pointer; line-height: 1; padding: 5px;
    transition: color 0.3s, transform 0.3s;
}
html[dir="rtl"] .modal-close-btn { right: 12px; left: auto; }
.modal-close-btn:hover { color: var(--primary-accent); transform: rotate(90deg); }

.modal-product-image {
    width: 100%; max-height: 250px; object-fit: cover;
    border-radius: var(--border-radius); margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.15);
}
.modal-product-title {
    font-family: var(--font-main); font-size: 1.8em; color: var(--primary-accent);
    margin-bottom: 8px; text-align: center; font-weight: 700;
}
.modal-product-base-price { font-size: 1.1em; color: var(--text-light); text-align: center; margin-bottom: 6px; }
.modal-current-item-price {
    font-size: 1.4em; color: var(--primary-accent); font-weight: bold;
    text-align: center; margin-bottom: 20px; margin-top: 6px;
}
.modal-customizations .option-group { margin-bottom: 20px; }
.modal-customizations .option-group legend {
    font-weight: 700; margin-bottom: 12px; color: var(--secondary-accent); font-size: 1.1em;
    padding-bottom: 6px; border-bottom: 1px solid var(--border-color);
}
.modal-customizations .option-item { display: block; margin-bottom: 10px; font-size: 1em; }
.modal-customizations .option-item label { margin-right: 8px; cursor: pointer; }
.modal-customizations .option-item input {
    margin-left: 10px; vertical-align: middle;
    transform: scale(1.15); accent-color: var(--primary-accent);
}
html[dir="rtl"] .modal-customizations .option-item label { margin-left: 8px; margin-right: 0; }
html[dir="rtl"] .modal-customizations .option-item input { margin-right: 10px; margin-left: 0; }

.modal-quantity-controls { display: flex; justify-content: center; align-items: center; margin: 25px 0; }
.modal-quantity-controls input[type="number"] {
    width: 70px; padding: 10px; text-align: center;
    border: 1px solid var(--border-color); border-radius: var(--border-radius);
    font-size: 1em; margin: 0 10px; font-family: var(--font-main);
    background-color: var(--bg-dark); color: var(--text-light);
}
.modal-add-to-cart-btn {
    background-color: var(--primary-accent); color: var(--bg-dark);
    border: none; padding: 12px 25px; text-align: center; display: block; width: 100%;
    font-size: 1.1em; font-weight: 700; border-radius: 25px; cursor: pointer;
    transition: var(--transition-main); box-shadow: 0 3px 10px rgba(255, 140, 0, 0.2);
}
.modal-add-to-cart-btn:hover {
    background-color: var(--secondary-accent); transform: scale(1.02);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.25);
}
.modal-add-to-cart-btn i { margin-left: 8px; }
html[dir="rtl"] .modal-add-to-cart-btn i { margin-right: 8px; margin-left: 0; }

.cart-sidebar {
    position: fixed; top: 0; width: 100%; height: 100%;
    background-color: var(--bg-sidebar);
    box-shadow: -4px 0 20px rgba(0,0,0,0.25);
    padding: 0; box-sizing: border-box;
    z-index: 1002; display: flex; flex-direction: column;
    right: -100%; transition: right 0.35s cubic-bezier(0.65, 0.05, 0.36, 1);
}
html[dir="rtl"] .cart-sidebar {
    left: -100%; right: auto;
    transition: left 0.35s cubic-bezier(0.65, 0.05, 0.36, 1);
}
.cart-sidebar.open { right: 0; }
html[dir="rtl"] .cart-sidebar.open { left: 0; }

.cart-sidebar-header {
    display: flex; justify-content: space-between; align-items: center;
    border-bottom: 1px solid var(--border-color); padding: 20px 25px;
    flex-shrink: 0; background-color: var(--bg-cards);
}
.cart-sidebar-header h2 {
    margin: 0; font-family: var(--font-main); font-size: 1.6em;
    color: var(--primary-accent); font-weight: 700;
}
.close-cart-btn-sidebar {
    background: none; border: none; font-size: 2em; cursor: pointer;
    color: var(--text-muted); padding:5px; transition: var(--transition-main);
}
.close-cart-btn-sidebar:hover { color: var(--primary-accent); transform: rotate(90deg); }

.cart-items-list-container {
    flex-grow: 1; overflow-y: auto; -webkit-overflow-scrolling: touch;
    padding: 20px 25px;
}
.cart-items-list { list-style-type: none; padding: 0; }
.cart-items-list li {
    padding: 15px 0; border-bottom: 1px solid var(--border-color);
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.95em;
}
.cart-items-list li:last-child { border-bottom: none; }
.cart-item-details { flex-grow: 1; margin-right: 12px; }
html[dir="rtl"] .cart-item-details { margin-left: 12px; margin-right: 0; }
.cart-item-details .item-name { font-weight: 600; font-size: 1.05em; color: var(--text-light); }
.cart-item-details .item-customizations { font-size: 0.8em; color: var(--text-muted); margin-top: 5px; }
.cart-item-details .item-customizations div { margin-bottom: 3px; }
.cart-item-details .item-qty-price { font-size: 0.85em; color: var(--text-light); margin-top: 6px; }
.cart-item-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.cart-item-actions .item-total-price { font-weight: bold; font-size: 1em; color: var(--primary-accent); }
.remove-item-btn {
    background-color: var(--border-color) !important; color: var(--text-light) !important;
    border: none !important; padding: 6px 9px !important;
    font-size: 0.9em !important; border-radius: var(--border-radius); cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}
.remove-item-btn:hover { background-color: var(--primary-accent) !important; color: var(--bg-dark) !important; transform: scale(1.05); }

.cart-sidebar-footer {
    border-top: 1px solid var(--border-color); padding: 20px 25px;
    flex-shrink: 0; background-color: var(--bg-cards);
}
.delivery-options { margin-bottom: 15px; text-align: center; }
.delivery-options label { margin: 0 10px; cursor: pointer; font-size: 0.95em; }
.delivery-options input[type="radio"] {
    margin-left: 5px; transform: scale(1.05); vertical-align: middle;
    accent-color: var(--primary-accent);
}
html[dir="rtl"] .delivery-options input[type="radio"] { margin-right: 5px; margin-left: 0; }

.cart-sidebar-footer textarea {
    width: 100%; padding: 10px; margin-bottom: 15px;
    border: 1px solid var(--border-color); border-radius: var(--border-radius);
    box-sizing: border-box; min-height: 70px; resize: vertical;
    font-family: var(--font-main); font-size: 0.95em;
    background-color: var(--bg-sidebar); color: var(--text-light);
}
.cart-sidebar-footer textarea::placeholder { color: var(--text-muted); }

.summary-line { display: flex; justify-content: space-between; margin-bottom: 8px; font-size: 1em; }
.summary-line.vat-line { font-size: 0.85em; color: var(--text-muted); }
.summary-line.total {
    font-family: var(--font-main); font-weight: 700; font-size: 1.3em;
    color: var(--primary-accent); margin-top:10px; padding-top: 8px;
    border-top: 1px solid var(--border-color);
}
.cart-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 15px; }
.checkout-btn-whatsapp {
    width: 100%; background-color: #25D366; color: white; border: none;
    padding: 12px 20px; font-size: 1.05em; font-weight: 700;
    border-radius: 25px; transition: var(--transition-main);
    box-shadow: 0 3px 10px rgba(37, 211, 102, 0.2);
}
.checkout-btn-whatsapp:hover { background-color: #1DA851; transform: scale(1.02); }
.clear-cart-btn {
    width: 100%; background-color: var(--border-color); color: var(--text-light);
    font-size: 0.95em; padding: 10px 15px; border-radius: 25px; border: none;
    transition: var(--transition-main);
}
.clear-cart-btn:hover { background-color: #4a4e69; transform: scale(1.02); }
#empty-cart-message { text-align: center; color: var(--text-muted); font-size: 1.1em; padding: 20px; }

.notification-toast {
    position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(20px);
    background-color: var(--primary-accent); color: var(--bg-dark);
    padding: 15px 30px; border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.25); z-index: 1003;
    opacity: 0; visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    font-size: 1em; font-weight: 600;
}
.notification-toast.show { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }
.notification-toast i { margin-right: 10px; }
html[dir="rtl"] .notification-toast i { margin-left: 10px; margin-right: 0; }

.site-footer {
    background-color: var(--bg-cards); color: var(--text-muted);
    padding: 50px 0 25px 0; text-align: center; margin-top: 60px;
    border-top: 3px solid var(--primary-accent);
}
.footer-content {
    display: flex; flex-wrap: wrap; justify-content: space-around;
    align-items: flex-start; gap: 35px; margin-bottom: 35px;
}
.footer-logo-area, .footer-contact-info, .footer-social-links {
    flex: 1; min-width: 260px; padding: 0 15px;
}
.footer-logo-img { max-width: 150px; margin-bottom: 15px; }
.footer-tagline { font-size: 0.95em; color: var(--text-muted); margin-bottom: 20px; line-height: 1.6; }
.footer-section-title {
    font-size: 1.3em; color: var(--secondary-accent);
    margin-bottom: 18px; font-weight: 700;
}
.footer-contact-info p { font-size: 0.9em; margin-bottom: 8px; line-height: 1.7; }
.footer-contact-info p i { margin-left: 8px; color: var(--secondary-accent); width: 20px; }
html[dir="rtl"] .footer-contact-info p i { margin-right: 8px; margin-left: 0; }
.footer-social-links a {
    color: var(--text-muted); font-size: 1.8em; margin: 0 12px;
    transition: color 0.3s ease, transform 0.2s ease; display: inline-block;
}
.footer-social-links a:hover { color: var(--primary-accent); transform: translateY(-3px) scale(1.1); }
.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 25px; font-size: 0.85em; color: var(--text-muted);
}
.footer-bottom a { color: var(--secondary-accent); text-decoration: none; }
.footer-bottom a:hover { text-decoration: underline; }

#scroll-to-top-btn {
    position: fixed; bottom: 20px; right: 20px;
    width: 45px; height: 45px;
    background-color: var(--primary-accent); color: var(--bg-dark);
    border: none; border-radius: 50%; font-size: 1.4em;
    cursor: pointer; display: none; justify-content: center; align-items: center;
    box-shadow: 0 3px 10px rgba(0,0,0,0.2); z-index: 999;
    transition: background-color 0.3s, opacity 0.3s, transform 0.3s;
}
html[dir="rtl"] #scroll-to-top-btn { right: auto; left: 20px; }
#scroll-to-top-btn:hover { background-color: var(--secondary-accent); transform: scale(1.08); }

.animate-on-scroll {
    opacity: 0; transform: translateY(25px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 768px) {
    .navbar { padding: 12px 20px; }
    .navbar-brand { font-size: 1.5em; }
    .hero-section {/* min-height: auto; */padding: 40px 15px;}
    .hero-logo { max-width: 500px; }
    .hero-section h1 {/* font-size: 2.2em; */}
    .hero-section .hero-subtitle { font-size: 1.15em; }
    .controls-bar { padding: 12px; }
    .cart-sidebar { width: 300px; }
    html[dir="rtl"] .cart-sidebar { left: -320px; }
}
@media (max-width: 480px) {
    /* .controls-bar already handled by (max-width: 600px) to keep search and view toggle on same line */
    .cart-sidebar { width: 100%; }
    html[dir="rtl"] .cart-sidebar { left: -100%; }
    .modal-product-title { font-size: 1.5em; }
    .footer-content { flex-direction: column; align-items: center; }
}
@media (min-width: 769px) {
    .cart-sidebar { width: 380px; }
    html[dir="rtl"] .cart-sidebar { left: -400px; }
}