/* =========================================
   VARIÁVEIS E RESET GLOBAL
   ========================================= */
:root { 
    --primary: #00f3ff; 
    --bg: #0d1117; 
    --card-bg: #1a2332; 
    --text: #fff; 
    --text-muted: #a3a3a3; 
}

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

body { 
    background-color: var(--bg); 
    color: var(--text); 
    font-family: 'Poppins', sans-serif; 
}

a { text-decoration: none; color: inherit; }

/* =========================================
   TEMA CLARO (LIGHT MODE)
   ========================================= */
[data-theme="light"] {
    --bg: #f4f7f6;
    --card-bg: #ffffff;
    --text: #1a1a1a;
    --text-muted: #555555;
}

/* Ajustes específicos para o modo claro não ficar apagado */
[data-theme="light"] header { background: rgba(255, 255, 255, 0.9); border-bottom: 1px solid rgba(0,0,0,0.1); }
[data-theme="light"] .logo { color: var(--text); }
[data-theme="light"] .product-info { background: rgba(255, 255, 255, 0.85); border-color: rgba(0,0,0,0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
[data-theme="light"] .variant-btn { color: var(--text); border-color: rgba(0,0,0,0.2); }
[data-theme="light"] .add-cart-btn { background: #eee; color: var(--text); border-color: #ccc; }
[data-theme="light"] .add-cart-btn:hover { background: #ddd; border-color: #aaa; }
[data-theme="light"] .card, [data-theme="light"] .cart-items, [data-theme="light"] .cart-summary, [data-theme="light"] .checkout-container { border-color: rgba(0,0,0,0.1); box-shadow: 0 5px 20px rgba(0,0,0,0.05); }
[data-theme="light"] .secure-bottom-bar { background: #ffffff; border-top: 2px solid var(--primary); color: var(--text); }
[data-theme="light"] .seal { background: #f9f9f9; border-color: rgba(0,0,0,0.1); color: var(--text); }
[data-theme="light"] .main-image, [data-theme="light"] .thumb { background-color: #fff; border-color: rgba(0,0,0,0.1); }
[data-theme="light"] .summary-total { border-top-color: rgba(0,0,0,0.1); color: var(--text); }
[data-theme="light"] .hero h1, [data-theme="light"] .hero p { text-shadow: none; }
[data-theme="light"] .hero p { color: var(--text-muted); }

/* =========================================
   FUNDO INTERATIVO (INDEX)
   ========================================= */
#bg-canvas { 
    position: fixed; top: 0; left: 0; 
    width: 100vw; height: 100vh; 
    z-index: -1; background-color: var(--bg); 
}

/* =========================================
   HEADER (CABEÇALHO)
   ========================================= */
header { 
    display: flex; justify-content: space-between; align-items: center; 
    padding: 20px 50px; background: rgba(13, 17, 23, 0.9); 
    border-bottom: 1px solid rgba(255, 255, 255, 0.05); 
}
/* Classe específica para fixar o header na tela inicial */
header.fixed-header {
    backdrop-filter: blur(10px); position: fixed; top: 0; width: 100%; z-index: 100;
}
.logo { font-family: 'Orbitron', sans-serif; font-size: 1.8rem; color: #fff; font-weight: 700; }
.nav-links { display: flex; gap: 30px; }
.nav-links a { color: var(--text-muted); font-weight: 400; transition: color 0.3s; }
.nav-links a:hover { color: var(--primary); }
.cart-btn { 
    border: 1px solid var(--primary); color: var(--primary); padding: 8px 20px; 
    border-radius: 5px; font-weight: 600; transition: 0.3s; 
}
.cart-btn:hover { background: var(--primary); color: var(--bg); box-shadow: 0 0 15px rgba(0,243,255,0.4); }

/* Botão de Tema */
.theme-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: var(--text);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 5px;
    transition: 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
}
.theme-btn:hover { border-color: var(--primary); box-shadow: 0 0 10px rgba(0,243,255,0.3); }
[data-theme="light"] .theme-btn { border-color: rgba(0,0,0,0.2); }

/* =========================================
   PÁGINA INICIAL (HERO & PRODUTOS)
   ========================================= */
.hero { 
    height: 100vh; display: flex; flex-direction: column; justify-content: center; 
    align-items: center; text-align: center; 
    padding: 0 20px; padding-top: 80px;
}
.hero h1 { font-family: 'Orbitron', sans-serif; font-size: 4.5rem; margin-bottom: 20px; text-shadow: 0 0 20px rgba(0,0,0,0.8); line-height: 1.1; }
.hero p { font-size: 1.2rem; color: #e0e0e0; max-width: 600px; margin-bottom: 40px; text-shadow: 0 2px 4px rgba(0,0,0,0.8); }
.btn-primary { 
    background: var(--primary); color: var(--bg); padding: 18px 45px; 
    border-radius: 50px; font-weight: 600; text-transform: uppercase; 
    transition: all 0.3s; font-size: 1.1rem; border: none; cursor: pointer; letter-spacing: 1px;
}
.btn-primary:hover { box-shadow: 0 0 25px rgba(0,243,255,0.6); transform: translateY(-3px); }

.products { max-width: 1200px; margin: 80px auto; padding: 0 20px; }
.section-title { text-align: center; font-family: 'Orbitron', sans-serif; font-size: 2.5rem; margin-bottom: 50px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }

.card { background: var(--card-bg); border-radius: 15px; overflow: hidden; border: 1px solid rgba(255,255,255,0.05); transition: 0.3s; display: flex; flex-direction: column; }
.card:hover { transform: translateY(-10px); border-color: var(--primary); box-shadow: 0 10px 30px rgba(0,243,255,0.1); }
.card-img-wrapper { height: 280px; overflow: hidden; }
.card-img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.card:hover .card-img { transform: scale(1.05); }
.card-content { padding: 25px; display: flex; flex-direction: column; flex-grow: 1; }
.card-title { font-size: 1.3rem; margin-bottom: 10px; font-weight: 600; }
.card-price { color: var(--primary); font-size: 1.5rem; font-weight: 600; margin-bottom: 20px; }
.card-btn { text-align: center; border: 1px solid var(--primary); color: var(--primary); padding: 12px; border-radius: 8px; transition: 0.3s; margin-top: auto; font-weight: 600; text-transform: uppercase; font-size: 0.9rem; }
.card-btn:hover { background: var(--primary); color: var(--bg); }

footer { text-align: center; padding: 40px 20px; border-top: 1px solid rgba(255,255,255,0.05); color: var(--text-muted); margin-top: 50px; font-size: 0.9rem; }

/* =========================================
   CARRINHO DE COMPRAS
   ========================================= */
.cart-wrapper {
    max-width: 1000px; margin: 50px auto; padding: 0 20px;
    display: grid; grid-template-columns: 2fr 1fr; gap: 30px;
}

.cart-title { font-family: 'Orbitron', sans-serif; font-size: 2rem; margin-bottom: 20px; color: var(--primary); grid-column: 1 / -1; }
.cart-items { background: var(--card-bg); border-radius: 15px; border: 1px solid rgba(255,255,255,0.05); padding: 20px; }

.item {
    display: grid; grid-template-columns: 50px 2fr 1fr auto auto; 
    align-items: center; gap: 15px; padding-bottom: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.05); margin-bottom: 20px;
}
.item:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

.item img { width: 50px !important; height: 50px !important; min-width: 50px !important; object-fit: cover !important; border-radius: 8px; }
.item-name img { display: none !important; }
.item-name { font-weight: 600; font-size: 1.1rem; }
.item-price { color: var(--primary); font-weight: 600; }

.item-quantity-controls {
    display: flex; align-items: center; gap: 10px; background: rgba(0,0,0,0.3); padding: 5px 10px; border-radius: 8px;
}
.qty-btn { background: none; border: none; color: var(--text); cursor: pointer; font-size: 1.2rem; padding: 0 5px; }
.qty-btn:hover { color: var(--primary); }

.item-remove-btn { 
    background: rgba(255, 71, 87, 0.1); border: 1px solid #ff4757; color: #ff4757; 
    cursor: pointer; padding: 8px 15px; border-radius: 8px; font-weight: bold; transition: 0.3s;
}
.item-remove-btn:hover { background: #ff4757; color: #fff; }

.cart-summary {
    background: var(--card-bg); border-radius: 15px; border: 1px solid rgba(255,255,255,0.05);
    padding: 30px; height: fit-content;
}

.summary-line { display: flex; justify-content: space-between; margin-bottom: 15px; color: var(--text-muted); }
.summary-total {
    display: flex; justify-content: space-between; margin-top: 20px; padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05); font-size: 1.3rem; font-weight: 600; color: #fff;
}

.btn-checkout {
    display: block; width: 100%; text-align: center; background: var(--primary); color: var(--bg);
    padding: 15px; border-radius: 8px; font-weight: 600; margin-top: 25px; transition: 0.3s; text-transform: uppercase;
}
.btn-checkout:hover { box-shadow: 0 0 20px rgba(0,243,255,0.4); transform: translateY(-2px); }

/* =========================================
   CHECKOUT MERCADO PAGO
   ========================================= */
.checkout-container {
    max-width: 800px; margin: 50px auto 100px auto; padding: 30px;
    background: var(--card-bg); border-radius: 15px;
    border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.checkout-title { font-family: 'Orbitron', sans-serif; font-size: 2rem; text-align: center; margin-bottom: 30px; color: var(--primary); }
#paymentBrick_container { width: 100%; min-height: 400px; }

/* Barra de Segurança (Checkout) */
.secure-bottom-bar { position: fixed; bottom: 0; left: 0; width: 100%; background: #0d1117; border-top: 2px solid #009ee3; padding: 15px 20px; display: flex; justify-content: center; align-items: center; gap: 30px; font-size: 0.9rem; color: #fff; z-index: 9999; flex-wrap: wrap; box-shadow: 0 -10px 30px rgba(0,0,0,0.5); }
.secure-info { display: flex; align-items: center; gap: 15px; flex-wrap: wrap; justify-content: center; }
.seal { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.05); padding: 8px 14px; border-radius: 6px; font-size: 0.85rem; font-weight: 600; border: 1px solid rgba(255,255,255,0.1); }
.seal.green { color: #00f3ff; border-color: rgba(0,243,255,0.3); background: rgba(0,243,255,0.05); }
.seal.mp { color: #009ee3; border-color: rgba(0,158,227,0.3); background: rgba(0,158,227,0.05); font-style: normal; }
.secure-info span.separator { color: rgba(255,255,255,0.2); }
.payment-flags { display: flex; gap: 10px; align-items: center; justify-content: center; flex-wrap: wrap; }
.payment-flags .flag-icon { height: 28px; background: #fff; border-radius: 4px; padding: 3px 6px; object-fit: contain; box-shadow: 0 2px 5px rgba(0,0,0,0.2); }

/* =========================================
   RESPONSIVIDADE (MOBILE)
   ========================================= */
@media (max-width: 768px) {
    header { flex-direction: column; gap: 15px; padding: 15px; position: static; }
    .hero h1 { font-size: 2.8rem; }
    .nav-links { flex-wrap: wrap; justify-content: center; gap: 15px; }
    .hero { height: auto; padding: 60px 20px; }

    .cart-wrapper { grid-template-columns: 1fr; }
    .item { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 15px; }
    
    .secure-bottom-bar { gap: 15px; padding: 15px 10px; }
    .checkout-container { margin-bottom: 180px; } /* Evita que a barra cubra o formulário no celular */
    .secure-info span.separator { display: none; }
}

/* =========================================
   PÁGINA DE PRODUTOS
   ========================================= */
.product-container {
    max-width: 1200px; margin: 100px auto 50px auto; padding: 20px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px;
}
.gallery { display: flex; flex-direction: column; gap: 15px; }
.main-image { width: 100%; height: 500px; background-color: #1a2332; border-radius: 15px; display: flex; justify-content: center; align-items: center; border: 1px solid rgba(255, 255, 255, 0.1); overflow: hidden; }
.main-image img { width: 100%; height: 100%; object-fit: cover; }
.thumbnails { display: flex; gap: 15px; flex-wrap: wrap; }
.thumb { width: 100px; height: 100px; background-color: #1a2332; border-radius: 10px; cursor: pointer; border: 2px solid transparent; transition: 0.3s; overflow: hidden; }
.thumb:hover, .thumb.active { border-color: var(--primary); }
.thumb img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; transition: 0.3s; }
.thumb.active img, .thumb:hover img { opacity: 1; }

.product-info { display: flex; flex-direction: column; justify-content: center; gap: 20px; background: rgba(26, 35, 50, 0.85); backdrop-filter: blur(10px); padding: 30px; border-radius: 15px; border: 1px solid rgba(255,255,255,0.05); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.tag { background: rgba(0, 243, 255, 0.1); color: var(--primary); padding: 5px 12px; border-radius: 5px; font-size: 0.8rem; width: max-content; text-transform: uppercase; letter-spacing: 1px; font-weight: 600; }
.product-info h1 { font-family: 'Orbitron', sans-serif; font-size: 2.5rem; line-height: 1.2; }
.pricing { display: flex; align-items: center; gap: 15px; }
.price { font-size: 2.2rem; font-weight: 600; color: var(--primary); }
.old-price { text-decoration: line-through; color: #666; font-size: 1.2rem; }
.description { color: var(--text-muted); line-height: 1.6; font-size: 1.05rem; }

.options h3 { font-size: 1rem; margin-bottom: 12px; font-weight: 400; color: #ccc; }
.variants { display: flex; gap: 15px; }
.variant-btn { padding: 12px 20px; background: var(--card-bg); border: 1px solid rgba(255,255,255,0.1); color: #fff; border-radius: 8px; cursor: pointer; transition: 0.3s; font-family: 'Poppins', sans-serif; }
.variant-btn.active, .variant-btn:hover { border-color: var(--primary); color: var(--primary); background: rgba(0, 243, 255, 0.05); }

.actions { display: flex; gap: 15px; margin-top: 15px; }
.buy-btn, .add-cart-btn { flex: 1; padding: 18px; border-radius: 8px; font-size: 1.1rem; font-weight: 600; cursor: pointer; transition: 0.3s; text-align: center; border: none; font-family: 'Poppins', sans-serif; }
.buy-btn { background: var(--primary); color: var(--bg); text-transform: uppercase; letter-spacing: 1px; }
.buy-btn:hover { box-shadow: 0 0 25px rgba(0, 243, 255, 0.5); transform: translateY(-2px); }
.add-cart-btn { background: rgba(255,255,255,0.05); color: #fff; border: 1px solid rgba(255,255,255,0.2); }
.add-cart-btn:hover { border-color: #fff; background: rgba(255,255,255,0.1); }

.features { margin-top: 25px; border-top: 1px solid rgba(255,255,255,0.1); padding-top: 25px; }
.features ul { list-style: none; color: var(--text-muted); }
.features li { margin-bottom: 12px; display: flex; align-items: center; gap: 10px; font-size: 0.95rem; }
.features li::before { content: '✓'; color: var(--primary); font-weight: bold; background: rgba(0,243,255,0.1); padding: 2px 6px; border-radius: 50%; font-size: 0.8rem; }

/* =========================================
   CALCULADORA DE FRETE (MELHOR ENVIO)
   ========================================= */
.shipping-calculator h3 { font-size: 1rem; margin-bottom: 5px; font-weight: 400; color: #ccc; }
[data-theme="light"] .shipping-calculator h3 { color: var(--text-muted); }
.cep-input-group { display: flex; gap: 10px; }
.cep-input-group input { padding: 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); color: var(--text); outline: none; flex: 1; font-family: 'Poppins', sans-serif; transition: 0.3s; }
.cep-input-group input:focus { border-color: var(--primary); }
[data-theme="light"] .cep-input-group input { border-color: rgba(0,0,0,0.2); background: #fff; color: var(--text); }
.btn-calculate { padding: 12px 20px; background: transparent; color: var(--primary); border: 1px solid var(--primary); border-radius: 8px; font-weight: 600; cursor: pointer; transition: 0.3s; font-family: 'Poppins', sans-serif; text-transform: uppercase; letter-spacing: 1px; }
.btn-calculate:hover { background: var(--primary); color: var(--bg); }
.shipping-results { margin-top: 15px; border-radius: 8px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); }
[data-theme="light"] .shipping-results { border-color: rgba(0,0,0,0.1); }
.shipping-option { display: flex; justify-content: space-between; align-items: center; padding: 12px 15px; border-bottom: 1px solid rgba(255,255,255,0.05); background: rgba(255,255,255,0.02); }
[data-theme="light"] .shipping-option { border-bottom-color: rgba(0,0,0,0.05); background: #fafafa; }
.shipping-option:last-child { border-bottom: none; }
.shipping-option img { height: 24px; width: 60px; object-fit: contain; }
.shipping-info { display: flex; flex-direction: column; flex: 1; margin-left: 15px; }
.shipping-info span.name { font-weight: 600; font-size: 0.95rem; }
.shipping-info span.time { font-size: 0.8rem; color: var(--text-muted); }
.shipping-price { font-weight: 600; color: var(--primary); font-size: 1.05rem; }

/* =========================================
   PÁGINA DE SUPORTE
   ========================================= */
body.suporte-page { display: flex; flex-direction: column; min-height: 100vh; }
.suporte-main { flex: 1; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 120px 20px 50px; }
.support-container { background: var(--card-bg); padding: 50px; border-radius: 15px; border: 1px solid rgba(255,255,255,0.05); max-width: 600px; width: 100%; box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.support-container h1 { font-family: 'Orbitron', sans-serif; font-size: 2.2rem; margin-bottom: 20px; }
.support-container p { color: var(--text-muted); margin-bottom: 30px; line-height: 1.6; }

/* =========================================
   PÁGINA DE MANUTENÇÃO
   ========================================= */
body.manutencao-page { display: flex; justify-content: center; align-items: center; height: 100vh; overflow: hidden; position: relative; }
.manutencao-container { position: relative; z-index: 1; text-align: center; background: rgba(13, 17, 23, 0.7); padding: 40px 60px; border-radius: 20px; backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 0 30px rgba(0, 243, 255, 0.05); animation: fadeIn 1.5s ease-out; }
.brand-name { font-family: 'Orbitron', sans-serif; font-size: 3.5rem; letter-spacing: 4px; margin-bottom: 10px; color: #ffffff; text-shadow: 0 0 10px rgba(0, 243, 255, 0.8), 0 0 20px rgba(0, 243, 255, 0.5), 0 0 40px rgba(0, 243, 255, 0.3); }
.subtitle { font-size: 1.2rem; font-weight: 300; color: var(--text-muted); letter-spacing: 2px; margin-bottom: 40px; }
.notify-form { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.notify-form input { padding: 15px 20px; font-size: 1rem; border-radius: 8px; border: 1px solid rgba(255, 255, 255, 0.2); background-color: rgba(255, 255, 255, 0.05); color: #fff; outline: none; width: 300px; transition: border-color 0.3s, box-shadow 0.3s; }
.notify-form input::placeholder { color: #888; }
.notify-form input:focus { border-color: var(--primary); box-shadow: 0 0 10px rgba(0, 243, 255, 0.3); }
.notify-form button { padding: 15px 30px; font-size: 0.9rem; font-weight: 500; border-radius: 8px; border: 1px solid var(--primary); background-color: transparent; color: var(--primary); cursor: pointer; transition: all 0.3s ease; text-transform: uppercase; letter-spacing: 1px; }
.notify-form button:hover { background-color: var(--primary); color: var(--bg); box-shadow: 0 0 15px rgba(0, 243, 255, 0.5); }

/* =========================================
   PÁGINA DO ADMIN
   ========================================= */
body.admin-page { display: flex; justify-content: center; align-items: center; min-height: 100vh; padding: 20px;}
.admin-container { background: rgba(13, 17, 23, 0.85); padding: 40px; border-radius: 15px; backdrop-filter: blur(15px); border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 0 30px rgba(0, 243, 255, 0.1); width: 100%; max-width: 500px; }
.admin-container h2 { font-family: 'Orbitron', sans-serif; text-align: center; margin-bottom: 30px; font-size: 2rem; color: var(--primary); }
.form-group { margin-bottom: 20px; text-align: left;}
.form-group label { display: block; margin-bottom: 8px; color: var(--text-muted); font-size: 0.9rem; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 15px; border-radius: 8px; border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); color: #fff; font-family: 'Poppins', sans-serif; outline: none; transition: 0.3s; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); box-shadow: 0 0 10px rgba(0,243,255,0.2); }
.form-group textarea { resize: vertical; min-height: 80px; }
.form-group select option { color: #000; }
.btn { width: 100%; padding: 15px; background: var(--primary); color: var(--bg); border: none; border-radius: 8px; font-weight: 600; font-size: 1rem; cursor: pointer; text-transform: uppercase; transition: 0.3s; letter-spacing: 1px; font-family: 'Poppins', sans-serif; }
.btn:hover { box-shadow: 0 0 20px rgba(0,243,255,0.5); transform: translateY(-2px); }
#dashboard-section { display: none; max-width: 900px; }
.header-dash { display: flex; justify-content: space-between; align-items: center; margin-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 15px;}
.logout-btn { background: transparent; color: #ff4d4d; border: 1px solid #ff4d4d; padding: 5px 15px; border-radius: 5px; cursor: pointer; transition: 0.3s;}
.logout-btn:hover { background: #ff4d4d; color: #fff; }
.product-list { margin-top: 30px; text-align: left; }
.product-item { background: rgba(0,0,0,0.5); padding: 15px; border-radius: 8px; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; border: 1px solid rgba(255,255,255,0.05);}
.product-item span { color: var(--primary); font-weight: bold; }
.feature-btn { background: transparent; color: gold; border: 1px solid gold; padding: 5px 15px; border-radius: 5px; cursor: pointer; transition: 0.3s; margin-right: 5px;}
.feature-btn:hover { background: gold; color: var(--bg); }
.edit-btn { background: transparent; color: var(--primary); border: 1px solid var(--primary); padding: 5px 15px; border-radius: 5px; cursor: pointer; transition: 0.3s; margin-right: 5px;}
.edit-btn:hover { background: var(--primary); color: var(--bg); }
.cancel-btn { background: transparent; color: #a3a3a3; border: 1px solid #a3a3a3; padding: 15px; border-radius: 8px; cursor: pointer; transition: 0.3s; width: 100%; margin-top: 10px; display: none; text-transform: uppercase; font-weight: 600;}
.cancel-btn:hover { background: #a3a3a3; color: var(--bg); }
.back-link { display: block; text-align: center; margin-top: 20px; color: #a3a3a3; text-decoration: none; font-size: 0.9rem; transition: 0.3s; }
.back-link:hover { color: var(--primary); }
.tabs-nav { display: flex; gap: 10px; margin-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 10px; overflow-x: auto; scrollbar-width: thin; }
.tab-btn { background: transparent; color: #a3a3a3; border: none; padding: 10px 15px; cursor: pointer; font-family: 'Poppins', sans-serif; font-size: 0.95rem; font-weight: 600; white-space: nowrap; transition: 0.3s; border-radius: 5px; }
.tab-btn.active, .tab-btn:hover { color: var(--primary); background: rgba(0, 243, 255, 0.05); }
.tab-content { display: none; animation: fadeIn 0.5s; text-align: left; }
.tab-content.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* =========================================
   ADICIONAIS DE RESPONSIVIDADE
   ========================================= */
@media (max-width: 900px) {
    .product-container { grid-template-columns: 1fr; gap: 40px; }
    .actions { flex-direction: column; }
    body.produto-page .nav-links { display: none; } /* Esconde só no produto p/ simplificar */
}
@media (max-width: 768px) {
    .support-container { padding: 30px 20px; }
}
@media (max-width: 600px) {
    .brand-name { font-size: 2.2rem; }
    .notify-form input, .notify-form button { width: 100%; }
    .manutencao-container { padding: 30px 20px; width: 90%; }
}

/* =========================================
   NOTIFICAÇÕES (TOASTS)
   ========================================= */
#toast-container {
    position: fixed;
    top: 90px; /* Fica exatamente abaixo do header / botão do carrinho */
    right: 50px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none; /* Permite clicar através do aviso sem bloquear a tela */
}
.toast {
    background: rgba(26, 35, 50, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--primary);
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 243, 255, 0.2);
    animation: slideInFadeOut 3s forwards; /* Dura 3 segundos */
    font-family: 'Poppins', sans-serif;
}
@keyframes slideInFadeOut {
    0% { opacity: 0; transform: translateY(-10px); }
    10% { opacity: 1; transform: translateY(0); }
    90% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(-10px); }
}

/* Em telas menores, mostra o aviso na parte de baixo para ficar mais visível */
@media (max-width: 768px) {
    #toast-container {
        top: auto; bottom: 20px;
        right: 50%; transform: translateX(50%);
        width: 90%; align-items: center; text-align: center;
    }
}

/* =========================================
   EFEITO DE VIBRAÇÃO (CARRINHO)
   ========================================= */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    50% { transform: translateX(5px); }
    75% { transform: translateX(-5px); }
}
.shake { animation: shake 0.5s ease-in-out; }