:root {
            --primary-color: #2563eb;
            --secondary-color: #1e293b;
            --bg-body: #f3f4f6;
            --bg-card: #ffffff;
            --text-main: #1f2937;
            --text-light: #6b7280;
            --border-radius: 12px;
            --transition: all 0.3s ease;
            --logo-view-color: #000000; 
            --amz-card-bg: #f8fafc;
            --amz-border: #e2e8f0;
            --specs-bg: #f1f5f9;
        }

        [data-theme="dark"] {
            --bg-body: #0f172a;
            --bg-card: #1e293b;
            --text-main: #f1f5f9;
            --text-light: #94a3b8;
            --secondary-color: #334155;
            --logo-view-color: #ffffff;
            --amz-card-bg: #151e2e;
            --amz-border: #334155;
            --specs-bg: #0f172a;
        }

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

        body {
            font-family: 'Inter', sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            transition: var(--transition);
        }

        /* --- HEADER --- */
        header {
            background-color: var(--bg-card);
            box-shadow: 0 1px 2px rgba(0,0,0,0.05);
            position: sticky;
            top: 0; z-index: 100;
            padding: 15px 0;
            transition: var(--transition);
        }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .header-content { display: flex; justify-content: space-between; align-items: center; }
        
        .logo { 
            font-size: 1.2rem; font-weight: 800; color: var(--primary-color); 
            text-decoration: none; text-transform: uppercase; 
        }
        .logo span { color: var(--logo-view-color); transition: var(--transition); }

        .nav-controls { display: flex; align-items: center; gap: 20px; }
        .nav-links { display: flex; gap: 20px; align-items: center; }
        .nav-links a {
            text-decoration: none; color: var(--text-main);
            font-weight: 600; font-size: 0.95rem; transition: color 0.2s;
        }
        .nav-links a:hover { color: var(--primary-color); }

        .menu-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text-main); cursor: pointer; }

        /* --- EFEITO DA IMAGEM HERO --- */
        .article-hero {
            width: 100%;
            height: 450px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 45%;
            background: linear-gradient(to bottom, transparent, var(--bg-body));
        }

        /* --- CONTEÚDO PRINCIPAL --- */
        .article-content {
            max-width: 1150px; 
            margin: -100px auto 50px; 
            padding: 0 20px;
            position: relative;
            z-index: 10;
        }

        .article-header { margin-bottom: 30px; text-align: center; }

        .tag {
            background-color: #e0e7ff; color: var(--primary-color);
            padding: 6px 16px; border-radius: 20px; font-size: 0.75rem;
            font-weight: 600; align-self: flex-start; margin-bottom: 12px;
            text-transform: uppercase;
            display: inline-block; /* Centralizar a tag */
        }

        h1 { font-size: 2.8rem; font-weight: 800; margin-bottom: 20px; line-height: 1.1; }

        /* --- NOVO CONTAINER PARA AÇÕES DO CABEÇALHO --- */
        .header-actions {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 25px; /* Espaço entre a data e o botão */
            margin-bottom: 30px;
            flex-wrap: wrap; /* Permite que quebrem linha em telas muito pequenas */
        }

        .meta-info {
            color: var(--text-light);
            font-size: 0.9rem;
            display: flex; justify-content: center; gap: 20px;
            margin: 0; /* Reset de margem */
            font-weight: 500;
        }

        /* --- NOVO ESTILO DO BOTÃO DE VOLTAR NO CABEÇALHO --- */
        .back-btn-header {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--bg-card); /* Fundo branco para destacar */
            color: var(--text-main);
            padding: 8px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1); /* Sombra suave */
            transition: var(--transition);
        }

        .back-btn-header:hover {
            transform: translateY(-3px);
            color: var(--primary-color);
            box-shadow: 0 6px 15px rgba(0,0,0,0.15);
        }


        .content-body {
            background: var(--bg-card);
            padding: 50px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            font-size: 1.15rem;
        }

        .content-body h2 { 
            margin: 50px 0 25px; 
            font-size: 1.8rem; 
            color: var(--primary-color); 
            border-bottom: 1px solid var(--amz-border);
            padding-bottom: 10px;
        }

        /* --- ATUALIZAÇÃO NO ESTILO DAS IMAGENS DOS PRODUTOS --- */
        .product-img {
            width: 100%;
            max-width: 500px; /* Limita a largura máxima para ficarem menores */
            height: auto;
            max-height: 400px; 
            object-fit: cover; 
            border-radius: 24px; /* Aumentado o arredondamento das pontas */
            margin: 30px auto; /* Centraliza a imagem (auto nas laterais) */
            display: block; /* Necessário para o margin auto funcionar */
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }

        /* --- BOX DE ESPECIFICAÇÕES --- */
        .specs-box {
            background-color: var(--specs-bg);
            border: 1px solid var(--amz-border);
            border-radius: 12px;
            padding: 20px;
            margin: 15px 0 25px 0; 
        }

        .specs-title {
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 15px;
            display: block;
        }

        .specs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
            list-style: none;
        }

        .specs-grid li {
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-main);
            font-weight: 500;
        }

        /* --- DESIGN UNIFICADO DOS BOTÕES --- */
        
        /* Botão Amazon */
        .amazon-direct-btn {
            display: flex;
            align-items: center;
            justify-content: space-between; 
            width: 100%;
            background: var(--amz-card-bg);
            border: 2px solid var(--amz-border);
            color: var(--text-main);
            padding: 15px;
            border-radius: 15px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1rem;
            margin-top: 15px;
            transition: var(--transition);
        }

        .amazon-direct-btn:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            background: var(--bg-card);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
        }

        .amazon-direct-btn .btn-content {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .amazon-arrow {
            font-size: 1.2rem;
            transition: transform 0.3s ease;
        }
        
        .amazon-direct-btn:hover .amazon-arrow {
            transform: translateX(5px);
        }

        /* Botão Acordeão (Vídeo) */
        .amz-wrapper { margin: 20px 0; border: 2px solid var(--amz-border); border-radius: 15px; overflow: hidden; }
        
        .amz-toggle-trigger {
            width: 100%; background: var(--amz-card-bg); border: none;
            color: var(--text-main); padding: 15px; cursor: pointer;
            font-weight: 700; display: flex; justify-content: space-between; align-items: center;
            transition: var(--transition);
            font-size: 1rem; 
        }

        .amz-toggle-trigger:hover {
            color: var(--primary-color);
            background: var(--bg-card);
        }

        .amz-arrow { width: 10px; height: 10px; border-right: 3px solid currentColor; border-bottom: 3px solid currentColor; transform: rotate(45deg); transition: 0.3s; }
        .amz-wrapper.open .amz-arrow { transform: rotate(-135deg); }
        
        .amz-hidden-content { max-height: 0; overflow: hidden; transition: 0.5s ease; }
        .amz-wrapper.open .amz-hidden-content { max-height: 600px; border-top: 1px solid var(--amz-border); }

        /* Container responsivo para o iframe do Youtube */
        .video-container { padding: 15px; background: #000; }
        .video-responsive {
            position: relative;
            padding-bottom: 56.25%; /* 16:9 */
            height: 0;
            overflow: hidden;
            border-radius: 8px;
        }
        .video-responsive iframe {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
        }

       .x-card {
          display: flex; justify-content: center; align-items: center; }
 

        /* --- TEMA --- */
        .theme-toggle-btn { background: none; border: none; cursor: pointer; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; }
        .icon-center { width: 16px; height: 16px; border-radius: 50%; background: #f1c40f; position: relative; transition: var(--transition); box-shadow: 0 0 10px #f1c40f; }
        .icon-center::after { content: ''; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 2px; height: 2px; border-radius: 50%; box-shadow: 0 -12px 0 #f1c40f, 0 12px 0 #f1c40f, 12px 0 0 #f1c40f, -12px 0 0 #f1c40f, 8px -8px 0 #f1c40f, -8px 8px 0 #f1c40f, 8px 8px 0 #f1c40f, -8px -8px 0 #f1c40f; }
        .icon-center::before { content: ''; position: absolute; width: 14px; height: 14px; border-radius: 50%; background: var(--bg-card); top: -4px; right: -4px; transition: var(--transition); opacity: 0; }
        [data-theme="dark"] .icon-center { background: #f1f5f9; box-shadow: 0 0 15px #f1f5f9; transform: rotate(-20deg); }
        [data-theme="dark"] .icon-center::after { opacity: 0; }
        [data-theme="dark"] .icon-center::before { opacity: 1; transform: translate(-2px, 0); }

        /* --- RESPONSIVIDADE --- */
        @media (max-width: 850px) {
            .logo { font-size: 1.2rem; font-weight: 800; color: var(--primary-color); text-decoration: none; text-transform: uppercase;}
            .logo span { color: var(--logo-view-color); transition: var(--transition); }
            .menu-toggle { display: block; }
            .nav-links { display: none; position: absolute; top: 70px; right: 20px; background: var(--bg-card); flex-direction: column; padding: 20px; border-radius: 15px; box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
            .nav-links.active { display: flex; }
            h1 { font-size: 2.2rem; }
            .article-hero { height: 350px; }
            .article-content { margin-top: -60px; }
            .content-body { padding: 30px 20px; }
            
            /* Ajuste para o botão e data ficarem na mesma linha no mobile */
            .header-actions { gap: 15px; } 
        }