:root {
            --main-color: #104C54;
            --accent-color: #c5a059;
            --glass-bg: rgba(10, 40, 45, 0.8);
            --glass-border: rgba(255, 255, 255, 0.1);
            --text-main: #ffffff;
            --header-text: #ffffff;
            --bg-color: #071e22;
            --wood-base: #e2a76f;
            --wood-lines: #b37a4d;
            --nav-shadow: rgba(0, 0, 0, 0.3);
        }

        [data-theme="light"] {
            --glass-bg: rgba(255, 255, 255, 0.4);
            --glass-border: rgba(255, 255, 255, 0.6);
            --text-main: #000000;
            --header-text: #000000;
            --bg-color: #ffffff;
            --nav-shadow: rgba(0, 0, 0, 0.08);
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: 'Cairo', sans-serif;
            transition: background 0.5s ease;
            overflow-x: hidden;
            margin: 0;
            min-height: 100vh;
        }

        #vanta-canvas {
            position: fixed;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        .top-nav {
            position: fixed;
            top: 10px;
            left: 50%;
            transform: translateX(-50%);
            width: 95%;
            max-width: 700px;
            z-index: 10000;
            padding: 5px 15px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: 50px;
            box-shadow: 0 10px 30px var(--nav-shadow);
        }

        .header-section {
            padding: 60px 0 10px;
            text-align: center;
        }

        .logo-img {
            height: 60px;
            border-radius: 10px;
            margin-bottom: 5px;
        }

        .company-name-en {
            font-weight: 900;
            font-size: clamp(1.2rem, 4vw, 1.7rem);
            color: var(--header-text);
            margin: 0;
        }

        .contact-info {
            margin-top: 8px;
            font-size: 0.8rem;
            opacity: 0.9;
        }

        .contact-info a {
            color: var(--accent-color);
            text-decoration: none;
            margin: 0 5px;
            transition: 0.3s;
        }

        .social-icons {
            margin-top: 5px;
            font-size: 1.1rem;
        }

        .shelf-container {
            position: relative;
            padding: 5px 0 45px;
            margin: 0 auto 15px;
            width: 95%;
            max-width: 1100px;
            perspective: 1500px;
        }

        .category-title {
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--header-text);
            padding: 0 12px;
            margin-bottom: 12px;
            border-left: 4px solid var(--accent-color);
            display: inline-block;
        }

        [dir="rtl"] .category-title {
            border-left: none;
            border-right: 4px solid var(--accent-color);
        }

        .swiper {
            width: 100%;
            overflow: hidden !important;
        }

        .swiper-slide {
            display: flex;
            justify-content: center;
            align-items: flex-end;
            visibility: hidden; 
        }

        .swiper-slide.animate__animated {
            visibility: visible;
        }

        ._df_thumb {
            width: 200px !important;
            height: 280px !important;
            border-radius: 2px 8px 8px 2px !important;
            box-shadow: 5px 10px 15px rgba(0, 0, 0, 0.4) !important;
            cursor: pointer;
            transition: transform 0.3s ease !important;
        }

        ._df_thumb ._df_book_title,
        .df-book-title,
        ._df_thumb:after {
            display: none !important;
        }

        ._df_thumb:hover {
            transform: translateY(-8px);
        }

        .shelf-wood {
            position: absolute;
            bottom: 42px;
            left: 0;
            width: 100%;
            height: 22px;
            z-index: -1;
        }

        .shelf-top {
            position: absolute;
            bottom: 0;
            width: 100%;
            height: 38px;
            background: var(--wood-base);
            background-image: repeating-linear-gradient(90deg, transparent, transparent 40px, var(--wood-lines) 41px);
            transform: perspective(1000px) rotateX(50deg);
            transform-origin: bottom;
            box-shadow: inset 0 -5px 15px rgba(0, 0, 0, 0.3);
        }

        .shelf-front {
            position: absolute;
            top: 100%;
            width: 100%;
            height: 12px;
            background: var(--wood-base);
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
        }

        .swiper-button-next,
        .swiper-button-prev {
            color: #fff !important;
            background: rgba(0, 0, 0, 0.3);
            width: 28px !important;
            height: 28px !important;
            border-radius: 50%;
        }

        .swiper-button-next:after,
        .swiper-button-prev:after {
            font-size: 12px !important;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(10px);
            border: 1px solid var(--glass-border);
            border-radius: 15px;
            padding: 15px;
            margin: 5px auto 20px;
            width: 95%;
            max-width: 1100px;
        }

        .location-address {
            margin-top: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--text-main);
            border-top: 1px solid var(--glass-border);
            padding-top: 10px;
        }

        .location-address i {
            color: var(--accent-color);
            font-size: 1.1rem;
        }

        .footer-credit {
            text-align: center;
            padding: 20px 0 40px;
            font-size: 0.8rem;
            opacity: 0.8;
        }

        .footer-credit a {
            color: var(--accent-color);
            text-decoration: none;
            font-weight: 700;
            transition: 0.3s;
        }

        .whatsapp-btn {
            position: fixed;
            bottom: 15px;
            left: 15px;
            z-index: 10000;
            width: 45px;
            height: 45px;
            background: #25d366;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }

        .flag-icon {
            width: 20px;
            cursor: pointer;
            transition: 0.2s;
            margin: 0 3px;
            border-radius: 2px;
        }

        @media (max-width: 768px) {
            ._df_thumb {
                width: 125px !important;
                height: 175px !important;
            }

            .shelf-wood {
                bottom: 40px;
            }

            .header-section {
                padding: 55px 0 0;
            }
        }