:root {
            --opdc-green: #007c56;
            --opdc-light-green: #00a878;
            --opdc-dark-green: #005a3e;
            --opdc-yellow: #f39c12;
            --bg-body: #f4f7f6;
            --text-dark: #1e293b;
            --gradient-main: linear-gradient(135deg, #007c56 0%, #00a878 100%);
            --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
            --shadow-md: 0 10px 15px -3px rgba(0,0,0,0.1);
        }

        body {
            font-family: 'Tajawal', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-dark);
            margin: 0;
            overflow: hidden;
            padding-bottom: 20px;
        }

        /* Splash Screen */
        #splashScreen {
            position: fixed;
            inset: 0;
            background: var(--gradient-main);
            z-index: 9999;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: all 0.8s ease;
        }

        .splash-logo-container {
            width: 120px;
            height: 120px;
            background: white;
            border-radius: 30px;
            display: flex;
            justify-content: center;
            align-items: center;
            border: 4px solid var(--opdc-yellow);
            box-shadow: 0 10px 25px rgba(0,0,0,0.2);
            margin-bottom: 25px;
        }

        .splash-logo-container img { width: 75%; object-fit: contain; }

        .loader-wrapper {
            width: 200px;
            height: 6px;
            background: rgba(255,255,255,0.2);
            border-radius: 10px;
            overflow: hidden;
            margin-top: 15px;
        }

        .loader-bar {
            height: 100%;
            width: 0%;
            background: var(--opdc-yellow);
            transition: width 0.3s ease;
        }

        /* App Layout */
        #app { opacity: 0; transition: all 0.6s ease; }
        .view { display: none; padding: 20px 15px; animation: slideUp 0.5s ease forwards; }
        .view.active { display: block; }

        @keyframes slideUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        header {
            background: var(--gradient-main);
            color: white;
            padding: 20px 0;
            border-bottom-left-radius: 25px;
            border-bottom-right-radius: 25px;
            box-shadow: var(--shadow-md);
            margin-bottom: 10px;
        }
         .developer-credit {
            position: absolute;
            bottom: 30px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            letter-spacing: 0.5px;
            text-align: center;
            width: 100%;
        }
        
        .developer-credit b {
            color: #fff;
            font-weight: 700;
        }

        /* Category Cards */
        .category-card {
            background: white;
            border-radius: 22px;
            padding: 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            cursor: pointer;
            height: 100%;
            border: 1px solid transparent;
        }

        .category-card:hover { transform: translateY(-5px); border-color: var(--opdc-light-green); }

        .category-icon-box {
            width: 65px; height: 65px;
            background: #f0fdf4;
            color: var(--opdc-green);
            border-radius: 18px;
            display: flex; align-items: center; justify-content: center;
            font-size: 28px; margin: 0 auto 12px;
        }

        /* Station Cards */
        .station-card {
            background: white; border-radius: 20px; border: 1px solid #edf2f7;
            margin-bottom: 15px; overflow: hidden; box-shadow: 0 2px 4px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }

        .station-header { padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; }
        .station-name { font-weight: 800; font-size: 1.15rem; margin: 0; color: #0f172a; cursor: pointer; flex-grow: 1; }
        
        .station-details {
            max-height: 0; overflow: hidden; transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            background: #fcfdfe; border-top: 0 solid #eee;
        }
        .station-card.open { box-shadow: var(--shadow-md); border-color: var(--opdc-light-green); }
        .station-card.open .station-details { max-height: 800px; border-top-width: 1px; }

        /* Product Items */
        .product-item {
            padding: 15px 22px; display: flex; justify-content: space-between; align-items: center;
            border-bottom: 1px solid #f1f5f9;
        }
        .product-item:last-child { border-bottom: none; }

        .product-info { display: flex; align-items: center; gap: 15px; }
        .product-icon { font-size: 24px; width: 30px; text-align: center; }
        .product-name-text { font-weight: 700; font-size: 1rem; color: #334155; }

        /* Status Badge */
        .badge-status {
            padding: 8px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 800;
            display: flex; align-items: center; gap: 6px;
        }
        .badge-available { background: #dcfce7; color: #15803d; border: 1px solid #bbf7d0; }
        .badge-empty { background: #fee2e2; color: #b91c1c; border: 1px solid #fecaca; }

        /* Location Button */
        .btn-map-large {
            width: 48px; height: 48px; border-radius: 14px;
            background: #f0fdf4; border: 1px solid #dcfce7;
            color: var(--opdc-green); display: flex; align-items: center;
            justify-content: center; font-size: 20px; transition: all 0.2s;
        }
        .btn-map-large:active { transform: scale(0.9); background: var(--opdc-green); color: white; }

        .nav-back {
            background: white; border: 1px solid #e2e8f0; color: var(--opdc-green);
            font-weight: 800; margin-bottom: 15px; padding: 10px 20px;
            border-radius: 50px; display: inline-flex; align-items: center; gap: 8px;
            box-shadow: var(--shadow-sm); cursor: pointer;
        }

        .search-wrapper {
            background: white; border-radius: 18px; padding: 5px 15px;
            box-shadow: var(--shadow-sm); margin-bottom: 15px;
            border: 1px solid #e2e8f0; display: flex; align-items: center;
        }
        .search-wrapper input { border: none; box-shadow: none !important; padding: 12px; font-size: 1rem; }
        
        /* Filter Pills */
        .filter-scroll-container {
            display: flex; overflow-x: auto; gap: 10px; padding: 5px 2px 15px; scrollbar-width: none;
        }
        .filter-scroll-container::-webkit-scrollbar { display: none; }
        .product-filter-btn {
            white-space: nowrap; padding: 10px 20px; border-radius: 50px;
            background: white; border: 1px solid #e2e8f0; color: #64748b;
            font-weight: 700; font-size: 0.9rem; transition: all 0.3s ease; cursor: pointer;
        }
        .product-filter-btn.active {
            background: var(--opdc-green); color: white; border-color: var(--opdc-green);
            box-shadow: 0 4px 12px rgba(0, 124, 86, 0.2);
        }