:root {
            --primary-color: #667eea;
            --secondary-color: #764ba2;
            --accent-color: #f093fb;
            --dark-color: #2c3e50;
            --light-color: #ecf0f1;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
            color: var(--dark-color);
            margin-bottom: 10%;
        }

        .header-section {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
            padding: 2rem 0;
            margin-bottom: 3rem;
        }

        .main-title {
            font-weight: 700;
            font-size: 3rem;
            background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-align: center;
            margin-bottom: 0.5rem;
        }

        .subtitle {
            text-align: center;
            color: #6c757d;
            font-size: 1.2rem;
            font-weight: 300;
        }

        .whatsapp-btn {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: linear-gradient(45deg, #25d366, #128c7e);
            color: white;
            border: none;
            border-radius: 50px;
            padding: 15px 25px;
            font-size: 1.1rem;
            font-weight: 600;
            box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
            transition: all 0.3s ease;
            z-index: 1000;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .whatsapp-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(37, 211, 102, 0.6);
            color: white;
        }

        .article-card {
            background: rgba(255, 255, 255, 0.95);
            border-radius: 20px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
            transition: all 0.4s ease;
            overflow: hidden;
            height: 100%;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            cursor: pointer;
        }

        .article-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
        }

        .media-container {
            position: relative;
            height: 250px;
            overflow: hidden;
            background: linear-gradient(45deg, var(--primary-color), var(--accent-color));
        }

        .media-container img,
        .media-container video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
            background: #000;
        }

        
        .media-container video::-webkit-media-controls-panel {
            background-color: rgba(0, 0, 0, 0.8);
        }

        .media-placeholder {
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100%;
            background: linear-gradient(45deg, #667eea, #764ba2);
            color: white;
            text-align: center;
        }

        .article-card:hover .media-container img,
        .article-card:hover .media-container video {
            transform: scale(1.1);
        }

        .media-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.3));
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .article-card:hover .media-overlay {
            opacity: 1;
        }

        .card-content {
            padding: 1.5rem;
        }

        .article-title {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-color);
            margin-bottom: 0.8rem;
            line-height: 1.4;
        }

        .article-description {
            color: #6c757d;
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 1.2rem;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .like-section {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid rgba(0,0,0,0.1);
        }

        .like-btn {
            background: none;
            border: none;
            color: #6c757d;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            gap: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            padding: 8px 15px;
            border-radius: 25px;
        }

        .like-btn:hover {
            background: rgba(255, 20, 147, 0.1);
            color: #ff1493;
        }

        .like-btn.liked {
            color: #ff1493;
            background: rgba(255, 20, 147, 0.1);
        }

        .like-count {
            font-weight: 600;
            color: var(--dark-color);
        }

        .no-articles {
            text-align: center;
            padding: 4rem 0;
            color: white;
        }

        .no-articles h3 {
            font-size: 2rem;
            margin-bottom: 1rem;
            opacity: 0.9;
        }

        .no-articles p {
            font-size: 1.1rem;
            opacity: 0.7;
        }

        @media (max-width: 768px) {
            .main-title {
                font-size: 2rem;
            }
            
            .whatsapp-btn {
                bottom: 20px;
                right: 20px;
                padding: 12px 20px;
                font-size: 1rem;
            }
            
            .media-container {
                height: 200px;
            }
            
            .article-title {
                font-size: 1.1rem;
            }
        }

        .loading {
            opacity: 0.7;
            pointer-events: none;
        }

        .pulse {
            animation: pulse 0.6s ease;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.1); }
            100% { transform: scale(1); }
        }
        
            #installToast {
        animation: slideFromRight 0.5s ease-out;
    }

    @keyframes slideFromRight {
        from {
        opacity: 0;
        transform: translateX(100%);
        }
        to {
        opacity: 1;
        transform: translateX(0);
        }
    }