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

        body {
            background: #0f0f1a;
            color: white;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            left: 0;
            top: 0;
            height: 100vh;
            width: 280px;
            background: rgba(0, 0, 0, 0.9);
            backdrop-filter: blur(15px);
            padding: 2rem;
            z-index: 1000;
            transform: translateX(-100%);
            transition: transform 0.3s ease;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            overflow-y: auto;
        }

        .sidebar.active {
            transform: translateX(0);
        }

        .nav-button {
            padding: 1rem;
            margin: 0.5rem 0;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            text-decoration: none;
            border-radius: 8px;
            display: block;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-button:hover {
            background: rgba(255, 255, 255, 0.2);
            transform: translateX(5px);
        }

        .nav-button.active {
            background: rgba(170, 182, 251, 0.2);
            border-color: #aab6fb;
        }

        .menu-toggle {
            position: fixed;
            top: 1rem;
            left: 1rem;
            background: rgba(0, 0, 0, 0.7);
            border: none;
            color: white;
            padding: 1rem;
            border-radius: 8px;
            cursor: pointer;
            z-index: 1001;
            display: none;
        }

        .header {
            text-align: center;
            padding: 3rem 1rem;
            margin: 0 auto 2rem;
            position: relative;
            max-width: 800px;
            width: 90%;
        }

        .header h1 {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            background: linear-gradient(45deg, #fff, #aab6fb);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 10px rgba(0,0,0,0.3);
        }

        .header p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .main-content {
            padding: 1rem;
            transition: margin-left 0.3s ease;
        }

        .grid-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
            padding: 0 1rem;
            max-width: 1400px;
            margin: 0 auto;
        }

        .card {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            transition: transform 0.3s ease;
            aspect-ratio: 2/3;
            background: rgba(255, 255, 255, 0.05);
        }

        .card:hover {
            transform: scale(1.02);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }

        .card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .card-actions {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 1rem;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            display: flex;
            justify-content: space-between;
            opacity: 1;
        }

        .action-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            backdrop-filter: blur(5px);
            transition: all 0.3s ease;
        }

        .action-btn.favorite {
            position: absolute;
            top: 10px;
            right: 10px;
            background: rgba(255, 255, 255, 0.3);
        }

        .action-btn.favorite.active {
            color: #ff4757;
            background: rgba(255, 71, 87, 0.3);
        }

        .action-btn:hover {
            background: rgba(255, 255, 255, 0.3);
            transform: scale(1.1);
        }

        .lightbox {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.9);
            z-index: 2000;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .lightbox.active {
            opacity: 1;
            pointer-events: all;
        }

        .lightbox-content {
            position: relative;
            max-width: 90%;
            max-height: 90%;
        }

        .lightbox-img {
            max-width: 100%;
            max-height: 80vh;
            border-radius: 8px;
            box-shadow: 0 0 30px rgba(0,0,0,0.6);
        }

        .lightbox-close {
            position: absolute;
            top: -40px;
            right: 0;
            background: rgba(255,255,255,0.2);
            border: none;
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .lightbox-download {
            position: absolute;
            bottom: -50px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(255,255,255,0.2);
            border: none;
            color: white;
            padding: 10px 20px;
            border-radius: 25px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .loader {
            display: flex;
            justify-content: center;
            padding: 2rem;
            display: none;
        }

        .loading-spinner {
            width: 50px;
            height: 50px;
            border: 5px solid rgba(255, 255, 255, 0.1);
            border-top-color: #aab6fb;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }

        .skeleton {
            background: rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .skeleton::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(
                90deg,
                rgba(255, 255, 255, 0) 25%,
                rgba(255, 255, 255, 0.1) 50%,
                rgba(255, 255, 255, 0) 75%
            );
            animation: loading 1.5s infinite;
        }

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

        @keyframes loading {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(100%); }
        }

        .fab {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 60px;
            height: 60px;
            background: linear-gradient(45deg, #aab6fb, #6a5acd);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
            box-shadow: 0 4px 20px rgba(0,0,0,0.3);
            cursor: pointer;
            z-index: 100;
            border: none;
            transition: transform 0.3s ease;
        }

        .fab:hover {
            transform: scale(1.1) rotate(90deg);
        }

        .empty-state {
            text-align: center;
            padding: 3rem;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (min-width: 992px) {
            .main-content {
                margin-left: 280px;
            }
            
            .sidebar {
                transform: translateX(0);
            }
            
            .menu-toggle {
                display: none;
            }
        }

        @media (max-width: 992px) {
            .menu-toggle {
                display: block;
            }
            
            .grid-container {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            }
            
            .header h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .grid-container {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
                gap: 1rem;
            }
            
            .header h1 {
                font-size: 1.8rem;
            }
            
            .header p {
                font-size: 1rem;
            }
            
            .fab {
                width: 50px;
                height: 50px;
                bottom: 1.5rem;
                right: 1.5rem;
            }
        }

        @media (max-width: 480px) {
            .grid-container {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
            }
            
            .header h1 {
                font-size: 1.5rem;
            }
            
            .card-actions {
                padding: 0.5rem;
            }
            
            .action-btn {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
            }
        }

        .support-options {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 1rem;
        }

        .support-btn {
            padding: 1rem;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: white;
            transition: all 0.3s ease;
        }

        .support-btn:hover {
            background: rgba(255,255,255,0.2);
            transform: translateX(5px);
        }

        .support-btn i {
            font-size: 1.2rem;
        }

.skeleton.retrying {
    animation: pulse 1.5s infinite;
    background: rgba(255,255,255,0.1);
}

@keyframes pulse {
    0% { opacity: 0.6; }
    50% { opacity: 1; }
    100% { opacity: 0.6; }
}

.empty-state {
    text-align: center;
    color: #aab6fb;
    font-size: 1.2rem;
    grid-column: 1 / -1;
    padding: 2rem;
}


  .refresh-overlay {
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.7);
        display: flex;
        align-items: center;
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .failed-card:hover .refresh-overlay {
        opacity: 1;
    }

    .refresh-button {
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        backdrop-filter: blur(5px);
        transition: all 0.3s ease;
    }

    .refresh-button:hover {
        background: rgba(255,255,255,0.3);
        transform: rotate(180deg);
    }

    .failed-text {
        color: white;
        text-align: center;
        padding: 0 1rem;
    }