/*!
 * Loja Virtual CSS - Sistema E-commerce SaaS
 * Design inspirado no Mercado Livre - Tema Cinza Profissional
 * Mobile First - Responsivo
 */

/* ===== RESET E VARIÁVEIS ===== */
:root {
    /* Cores do Tema - Escala de Cinza Profissional */
    --primary-color: #374151;
    --primary-dark: #1F2937;
    --primary-light: #4B5563;
    --secondary-color: #6B7280;
    --accent-color: #10B981;
    --accent-hover: #059669;
    
    /* Cores de Estado */
    --success-color: #10B981;
    --warning-color: #F59E0B;
    --error-color: #EF4444;
    --info-color: #3B82F6;
    
    /* Cores de Fundo */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F9FAFB;
    --bg-tertiary: #F3F4F6;
    
    /* Cores de Texto */
    --text-primary: #374151;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --text-white: #FFFFFF;
    
    /* Bordas e Sombras */
    --border-color: #E5E7EB;
    --border-radius: 8px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Tipografia */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    
    /* Espaçamentos */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-secondary);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* ===== TIPOGRAFIA ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ===== LAYOUT ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ===== HEADER ===== */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.logo h1 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.logo a {
    color: var(--primary-color);
    text-decoration: none;
}
.logo a:hover {
    text-decoration: none;
}

.search-bar {
    flex: 1;
    min-width: 250px;
    max-width: 600px;
    margin: 0 var(--spacing-md);
}

.search-form {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.search-form input {
    flex: 1;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    background: transparent;
    font-size: var(--font-size-base);
}

.search-form input:focus {
    outline: none;
    background: var(--bg-primary);
}

.search-form button {
    background: var(--primary-color);
    border: none;
    padding: 0 var(--spacing-md);
    color: var(--text-white);
    cursor: pointer;
    transition: background-color 0.2s;
    font-size: 1.2rem;
}

.search-form button:hover {
    background: var(--primary-dark);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.header-actions a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    text-decoration: none;
}

.header-actions a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.cart-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    position: relative;
}

.cart-count {
    background: var(--error-color);
    color: var(--text-white);
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: var(--font-size-xs);
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: -8px;
    right: -12px;
}

.main-nav {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    white-space: nowrap;
    border-top: 1px solid var(--border-color);
}

.main-nav a {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    padding: var(--spacing-xs) 0;
    border-bottom: 2px solid transparent;
    text-decoration: none;
}

.main-nav a:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    text-decoration: none;
}

/* ===== MAIN CONTENT ===== */
.main-content {
    flex-grow: 1;
    padding: var(--spacing-xl) 0;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--primary-color);
    color: var(--text-white);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    margin-top: auto;
    width: 100%;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.footer-section h3,
.footer-section h4 {
    color: var(--text-white);
    margin-bottom: var(--spacing-md);
}

.footer-section p {
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.footer-section a {
    color: var(--text-tertiary);
    display: block;
    margin-bottom: var(--spacing-xs);
    text-decoration: none;
}

.footer-section a:hover {
    color: var(--text-white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid var(--primary-light);
    padding-top: var(--spacing-lg);
    text-align: center;
    color: var(--text-tertiary);
}

/* ===== COMPONENTES ===== */

/* Alertas */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
}
.alert-success { background: #D1FAE5; border-color: #10B981; color: #065F46; }
.alert-error { background: #FEE2E2; border-color: #EF4444; color: #991B1B; }
.alert-warning { background: #FEF3C7; border-color: #F59E0B; color: #92400E; }
.alert-info { background: #DBEAFE; border-color: #3B82F6; color: #1E40AF; }

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn:hover {
    text-decoration: none;
}
.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}
.btn-block { width: 100%; }
.btn-sm { padding: var(--spacing-xs) var(--spacing-sm); font-size: var(--font-size-sm); }
.btn-lg { padding: var(--spacing-md) var(--spacing-lg); font-size: var(--font-size-lg); }

.btn-primary { background: var(--primary-color); color: var(--text-white); border-color: var(--primary-color); }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); border-color: var(--primary-dark); transform: translateY(-1px); }

.btn-secondary { background: var(--bg-secondary); color: var(--text-primary); border-color: var(--border-color); }
.btn-secondary:hover:not(:disabled) { background: var(--bg-tertiary); }

.btn-outline { background: transparent; color: var(--primary-color); border-color: var(--primary-color); }
.btn-outline:hover:not(:disabled) { background: var(--primary-color); color: var(--text-white); }

.btn-danger { background: var(--error-color); color: var(--text-white); border-color: var(--error-color); }
.btn-danger:hover:not(:disabled) { background: #DC2626; border-color: #DC2626; }

/* Grid de Produtos */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}
.product-card {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    flex-direction: column;
}
.product-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.product-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background: var(--bg-secondary);
}
.product-image img {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}
.product-card:hover .product-image img { transform: scale(1.05); }
.out-of-stock {
    position: absolute;
    top: var(--spacing-md);
    left: var(--spacing-md);
    background: rgba(107, 114, 128, 0.8);
    color: var(--text-white);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    font-size: var(--font-size-xs);
    font-weight: 500;
}
.product-info {
    padding: var(--spacing-md);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.product-title {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
    color: var(--text-primary);
    flex-grow: 1;
}
.product-title a { color: inherit; text-decoration: none; }
.product-title a:hover { color: var(--primary-color); text-decoration: underline; }
.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    color: var(--warning-color);
    font-size: var(--font-size-sm);
}
.product-price {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}
.product-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: auto;
}
.product-actions .btn {
    flex: 1;
}
.product-actions .favorite-btn {
    flex: 0 1 auto;
}


/* Formulários */
.form-group {
    margin-bottom: var(--spacing-lg);
}
.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
}
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="number"],
.form-group input[type="date"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.1);
}
.form-group small {
    display: block;
    margin-top: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}
.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}
.form-check input[type="checkbox"] {
    width: auto;
    height: 1rem;
    width: 1rem;
}
.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
}
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}
.cep-search {
    display: flex;
    gap: 10px;
}
.cep-search input {
    flex: 1;
}

/* Paginação */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0;
}
.page-link {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.2s ease;
}
.page-link:hover { background: var(--bg-secondary); border-color: var(--primary-color); text-decoration: none; }
.page-link.active { background: var(--primary-color); color: var(--text-white); border-color: var(--primary-color); }

/* Estados Vazios */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}
.empty-icon { font-size: 4rem; margin-bottom: var(--spacing-lg); opacity: 0.5; }
.empty-state h3 { color: var(--text-primary); }

/* Badges - ATUALIZADO (NOVOS STATUS) */
.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 99px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    white-space: nowrap;
}
/* Amarelo/Aviso */
.status-pendente, .status-reservado { background: #FEF3C7; color: #92400E; }
/* Verde/Sucesso */
.status-aprovado, .status-pago, .status-entregue, .status-ativo { background: #D1FAE5; color: #065F46; }
/* Azul/Info */
.status-processando, .status-em-separacao { background: #E0F2FE; color: #075985; }
/* Roxo/Logística */
.status-enviado, .status-objeto-postado { background: #E0E7FF; color: #3730A3; }
/* Vermelho/Erro */
.status-cancelado, .status-estornado { background: #FEE2E2; color: #991B1B; }
/* Cinza */
.status-inativo { background: #F3F4F6; color: #6B7280; }

/* ===== PÁGINAS ESPECÍFICAS ===== */

/* Login / Cadastro */
.auth-container { max-width: 450px; margin: var(--spacing-xl) auto; }
.auth-form {
    background: var(--bg-primary);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}
.auth-form h2 { text-align: center; }
.auth-links { text-align: center; margin-top: var(--spacing-lg); }
.auth-links a { display: block; margin-bottom: var(--spacing-sm); color: var(--text-secondary); }
.social-login { margin-top: var(--spacing-lg); padding-top: var(--spacing-lg); border-top: 1px solid var(--border-color); text-align: center; }
.social-login p { margin-bottom: var(--spacing-md); }
.social-buttons { display: flex; gap: var(--spacing-md); margin-top: var(--spacing-md); }
.social-buttons .btn { flex: 1; justify-content: center; }
.social-buttons img { width: 18px; height: 18px; margin-right: 8px; }
.btn-google { background: #4285F4; color: white; border-color: #4285F4; }
.btn-google:hover { background: #3367D6; border-color: #3367D6; }
.btn-facebook { background: #1877F2; color: white; border-color: #1877F2; }
.btn-facebook:hover { background: #166FE5; border-color: #166FE5; }

/* Carrinho */
.carrinho-vazio { text-align: center; padding: var(--spacing-2xl); }
.carrinho-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}
@media (min-width: 992px) {
    .carrinho-content { grid-template-columns: 1fr 350px; }
}
.carrinho-items {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.carrinho-item {
    display: grid;
    grid-template-columns: 80px 1fr 100px 100px 40px;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    align-items: center;
}
.carrinho-item:last-child { border-bottom: none; }
.item-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius);
    overflow: hidden;
}
.item-image img { width: 100%; height: 100%; object-fit: cover; }
.item-details h3 { font-size: var(--font-size-base); margin-bottom: var(--spacing-xs); }
.item-details .item-price { font-size: var(--font-size-sm); color: var(--text-secondary); }
.stock-warning { font-size: var(--font-size-sm); color: var(--error-color); font-weight: 500; }
.item-quantity { display: flex; align-items: center; gap: var(--spacing-sm); }
.qty-btn {
    width: 32px; height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}
.qty-btn:hover { background: var(--bg-tertiary); }
.qty-display { padding: 0 var(--spacing-xs); font-weight: 500; }
.item-total { font-weight: 600; color: var(--primary-color); text-align: right; }
.btn-remove {
    background: var(--primary-light);
    border: none; 
    cursor: pointer;
    font-size: 1.0rem; color: var(--text-tertiary);
    padding: var(--spacing-xs);
    padding-bottom: 5px;
    padding-right: 5x;
    
}
.btn-remove:hover { color: var(--error-color); }
.carrinho-summary .summary-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    height: fit-content;
    position: sticky;
    top: 100px;
}
.summary-line { display: flex; justify-content: space-between; padding: var(--spacing-sm) 0; }
.summary-total {
    display: flex; justify-content: space-between;
    padding: var(--spacing-md) 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-md);
}
.cep-frete { margin-top: var(--spacing-md); }
.cep-input { display: flex; gap: 10px; margin-top: 5px; }
.opcoes-frete { margin-top: var(--spacing-md); }
.opcoes-frete .opcao-frete { margin-bottom: 5px; }
.summary-actions { margin-top: var(--spacing-lg); display: flex; flex-direction: column; gap: 10px; }


/* Checkout */
.checkout-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}
@media (min-width: 992px) {
    .checkout-content { grid-template-columns: 1fr 400px; }
}
.checkout-main .checkout-section {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
}
.checkout-section h2 {
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}
.checkout-sidebar .resumo-pedido {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    position: sticky;
    top: 100px;
}
.resumo-line { display: flex; justify-content: space-between; padding: var(--spacing-sm) 0; }
.resumo-total {
    display: flex; justify-content: space-between;
    padding: var(--spacing-md) 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-md);
}
.checkout-actions { margin-top: var(--spacing-lg); display: flex; flex-direction: column; gap: 10px; }
.checkout-items .checkout-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}
.checkout-item:last-child { border-bottom: none; }
.checkout-item .item-image { width: 60px; height: 60px; border-radius: var(--border-radius); overflow: hidden; }
.checkout-item .item-image img { width: 100%; height: 100%; object-fit: cover; }
.checkout-item .item-details { flex: 1; }
.checkout-item .item-price { font-weight: 500; }
.frete-escolhido {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}

/* Modais */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0; top: 0;
    width: 100%; height: 100%;
    background-color: rgba(0,0,0,0.5);
    overflow-y: auto;
}
.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 0;
    border-radius: 10px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.2);
    animation: slideDown 0.3s ease-out;
}
.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}
.modal-header h2 { margin: 0; flex: 1; }
.modal-close {
    background: none; border: none;
    font-size: 24px; font-weight: bold;
    cursor: pointer;
    color: var(--text-tertiary);
}
.modal-close:hover { color: var(--text-primary); }
.modal-body { padding: var(--spacing-lg); }

@keyframes slideDown {
    from { transform: translateY(-30px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}


/* ===== RESPONSIVIDADE ===== */
@media (max-width: 768px) {
    .header-top { flex-direction: column; text-align: center; }
    .search-bar { margin: var(--spacing-md) 0; width: 100%; }
    .header-actions { justify-content: center; }
    .main-nav { padding: var(--spacing-md); }
    
    .products-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: var(--spacing-md); }
    
    .carrinho-content { grid-template-columns: 1fr; }
    .carrinho-item {
        grid-template-columns: 80px 1fr;
        grid-template-rows: auto auto auto;
        padding: var(--spacing-md);
    }
    .item-image { grid-row: 1 / span 2; }
    .item-details { grid-column: 2; }
    .item-quantity { grid-row: 3; grid-column: 1; }
    .item-total { grid-row: 3; grid-column: 2; text-align: left; }
    .item-actions { grid-row: 1; grid-column: 2; text-align: right; }
    
    .checkout-content { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .cep-search { flex-direction: column; }
    .social-buttons { flex-direction: column; }
    
    .footer-content { grid-template-columns: 1fr; gap: var(--spacing-xl); text-align: center; }
}

@media (max-width: 480px) {
    .products-grid { grid-template-columns: 1fr; }
    .container { padding: 0 var(--spacing-sm); }
    .auth-form { padding: var(--spacing-lg); }
    .carrinho-item {
        grid-template-columns: 1fr;
        grid-template-rows: auto;
        text-align: center;
        gap: var(--spacing-sm);
    }
    .item-image { grid-row: 1; width: 100%; height: 200px; }
    .item-details { grid-row: 2; }
    .item-quantity { grid-row: 3; justify-content: center; }
    .item-total { grid-row: 4; text-align: center; }
    .item-actions { grid-row: 5; text-align: center; }
}

/* ===== UTILITÁRIOS ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.sr-only {
    position: absolute; width: 1px; height: 1px;
    padding: 0; margin: -1px; overflow: hidden;
    clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ========================================= */
/* ===== CSS PÁGINA DE PRODUTO ===== */
/* ========================================= */

.product-detail {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

@media (min-width: 768px) {
    .product-detail {
        grid-template-columns: 1fr 1fr;
        padding: var(--spacing-xl);
    }
}

/* Galeria de Imagens */
.product-gallery .main-image {
    width: 100%;
    border-radius: var(--border-radius);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* Informações do Produto */
.product-info .product-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}
.product-rating {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}
.product-rating .stars {
    color: var(--warning-color);
    font-size: 1.2rem;
}
.product-rating .star.filled { color: var(--warning-color); }
.product-rating .star { color: var(--border-color); }
.product-rating .rating-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.product-price {
    margin: var(--spacing-lg) 0;
}
.product-price .current-price {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.product-stock {
    margin-bottom: var(--spacing-lg);
    font-weight: 500;
}
.product-stock .in-stock { color: var(--success-color); }
.product-stock .out-of-stock { color: var(--error-color); }

/* Ações */
.product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.quantity-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.quantity-selector label {
    font-weight: 500;
}
.qty-controls {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
}
.qty-controls button {
    background: var(--bg-secondary);
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    font-size: 1.2rem;
    font-weight: bold;
}
.qty-controls button:hover {
    background: var(--bg-tertiary);
}
.qty-controls button:first-child {
    border-right: 1px solid var(--border-color);
    border-radius: var(--border-radius) 0 0 var(--border-radius);
}
.qty-controls button:last-child {
    border-left: 1px solid var(--border-color);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
}
.qty-controls input {
    width: 60px;
    border: none;
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    padding: var(--spacing-sm);
    -moz-appearance: textfield;
}
.qty-controls input::-webkit-outer-spin-button,
.qty-controls input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.action-buttons {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-md);
}
@media (max-width: 480px) {
    .action-buttons {
        grid-template-columns: 1fr;
    }
}
.product-shipping {
    margin-top: var(--spacing-lg);
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}
.product-shipping h4 { margin-bottom: var(--spacing-xs); }
.product-shipping p { margin-bottom: 0; }

/* Abas de Descrição */
.product-tabs {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}
.tab-headers {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
    margin-bottom: var(--spacing-lg);
}
.tab-header {
    background: none;
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 3px solid transparent;
    transform: translateY(2px);
}
.tab-header.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}
.tab-content .tab-pane {
    display: none;
    animation: fadeIn 0.3s ease;
}
.tab-content .tab-pane.active {
    display: block;
}
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.product-description {
    line-height: 1.7;
    color: var(--text-secondary);
}
.specs-list .spec-item {
    display: flex;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--bg-tertiary);
}
.specs-list .spec-item strong {
    flex-basis: 150px;
    flex-shrink: 0;
}

/* Avaliações */
.reviews-summary {
    background: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-lg);
    display: flex;
    justify-content: center;
    align-items: center;
}
.overall-rating {
    text-align: center;
}
.overall-rating .rating-big {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-primary);
}
.overall-rating .stars-big {
    color: var(--warning-color);
    font-size: 1.5rem;
    margin: var(--spacing-xs) 0;
}
.overall-rating .total-reviews {
    color: var(--text-secondary);
}

.reviews-list .review-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}
.reviews-list .review-item:last-child {
    border-bottom: none;
}
.review-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}
.review-header strong {
    font-size: var(--font-size-lg);
}
.review-header .review-rating .star {
    font-size: 1rem;
}
.review-item h4 {
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
}
.review-item p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}
.review-date {
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

.add-review {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}
.rating-input {
    display: flex;
    gap: var(--spacing-xs);
    margin: var(--spacing-sm) 0;
}
.rating-input .star-input {
    font-size: 2rem;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: color 0.2s;
}
.rating-input .star-input:hover,
.rating-input .star-input.filled {
    color: var(--warning-color);
}

/* Produtos Relacionados */
.related-products {
    margin-top: var(--spacing-xl);
}
.related-products h2 {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

/* ========================================= */
/* ===== CSS PÁGINA DE CHECKOUT ===== */
/* ========================================= */

.checkout-steps {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}

.checkout-steps .step {
    color: var(--text-tertiary);
    font-weight: 500;
    position: relative;
    padding: 0 var(--spacing-sm);
}

.checkout-steps .step.active {
    color: var(--primary-color);
}

.checkout-steps .step:not(:last-child)::after {
    content: '>';
    color: var(--text-tertiary);
    position: absolute;
    right: -15px;
}

.checkout-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

@media (min-width: 992px) {
    .checkout-content {
        grid-template-columns: 1fr 400px;
    }
}

.checkout-main .checkout-section {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.checkout-section h2 {
    font-size: var(--font-size-xl);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    margin-top: 0;
}

.endereco-info {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--spacing-md);
}
.endereco-info p {
    margin-bottom: 0;
    line-height: 1.5;
}

.frete-escolhido {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}
.frete-escolhido .frete-valor {
    font-weight: 500;
}

.checkout-items .checkout-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--border-color);
}
.checkout-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.checkout-item .item-image {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    overflow: hidden;
    flex-shrink: 0;
}
.checkout-item .item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.checkout-item .item-details {
    flex: 1;
}
.checkout-item .item-details h4 {
    font-size: var(--font-size-base);
    margin: 0 0 5px 0;
}
.checkout-item .item-quantity {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}
.checkout-item .item-price {
    font-weight: 500;
}

.cupom-field {
    display: flex;
    gap: 10px;
}
.cupom-field input {
    flex: 1;
}
#cupom-result {
    margin-top: var(--spacing-md);
}

.checkout-sidebar .resumo-pedido {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 100px;
}
.resumo-pedido h3 {
    font-size: var(--font-size-xl);
    margin-top: 0;
}
.resumo-line {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
}
.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--font-size-sm);
}
.checkbox-label input {
    width: auto;
}
#saldo-usado {
    color: var(--success-color);
    font-weight: 500;
}
.cupom-line {
    color: var(--success-color);
    font-weight: 500;
}

.resumo-total {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
    font-weight: 600;
    font-size: var(--font-size-lg);
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-md);
}
.checkout-actions {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#wallet-container {
    /* O Mercado Pago controla os estilos aqui */
}

@media (max-width: 768px) {
    .checkout-content {
        grid-template-columns: 1fr;
    }
    .checkout-steps {
        font-size: 0.8rem;
        padding: var(--spacing-sm);
    }
    .checkout-steps .step:not(:last-child)::after {
        right: -10px;
    }
    .cupom-field {
        flex-direction: column;
    }
}

/* ========================================= */
/* ===== CSS PÁGINA DE PERFIL (GERAL) ===== */
/* ========================================= */

.profile-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 992px) {
    .profile-content {
        grid-template-columns: 1fr 300px;
    }
}

.profile-main {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.profile-section {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}
.profile-section:last-child {
    border-bottom: none;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}
.section-header h2 {
    margin: 0;
    font-size: var(--font-size-xl);
}

/* Menu Lateral (Sidebar) */
.profile-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}
.profile-nav {
    background: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
}
.profile-nav h3 {
    margin: 0 0 var(--spacing-md) var(--spacing-xs);
    font-size: var(--font-size-lg);
}
.profile-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.nav-item a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: background-color 0.2s, color 0.2s;
    font-weight: 500;
}
.nav-item a:hover {
    background-color: var(--bg-secondary);
    text-decoration: none;
}
.nav-item.active a {
    background-color: var(--primary-color);
    color: var(--text-white);
}

/* ========================================= */
/* ===== CSS PÁGINA DE PEDIDOS ===== */
/* ========================================= */

.filters-card {
    background: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-lg);
}

.filters-form {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
}
.filter-group label {
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: var(--font-size-sm);
}
.filter-group select,
.filter-group input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: var(--font-size-base);
}
.filter-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.orders-container {
    background: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.order-card {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
}
.order-card:last-child {
    border-bottom: none;
}

.order-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}
.order-info {
    flex: 1;
}
.order-number {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}
.order-date, .order-items {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.order-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
}
.detail-item {
    display: flex;
    justify-content: space-between;
    font-size: var(--font-size-sm);
}
.detail-item strong {
    color: var(--text-primary);
    margin-right: var(--spacing-sm);
}

.order-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.pagination {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .filters-form {
        grid-template-columns: 1fr;
    }
    .order-actions {
        flex-direction: column;
    }
    .order-actions .btn {
        width: 100%;
    }
}

/* Sidebar Fixa no Desktop */
@media (min-width: 992px) {
    .profile-sidebar, 
    .order-details-sidebar {
        position: sticky;
        top: 100px;
        height: fit-content;
        z-index: 10;
    }
}