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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 2rem;
    font-weight: bold;
    text-decoration: none;
    color: white;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: "🐾";
    font-size: 1.5rem;
}

.nav {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

.nav a:hover {
    opacity: 0.8;
}

.cart-icon {
    position: relative;
    padding: 10px;
    background: rgba(255,255,255,0.2);
    border-radius: 50%;
    transition: background 0.3s;
}

.cart-icon:hover {
    background: rgba(255,255,255,0.3);
}

.cart-count {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #ff4757;
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: bold;
}

/* Banner */
.banner {
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('https://images.unsplash.com/photo-1601758228041-f3b2795255f1?w=1200&h=400&fit=crop');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 6rem 0;
    margin-bottom: 3rem;
}

.banner h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.banner p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

.btn {
    display: inline-block;
    background: #ff6b6b;
    color: white;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 25px;
    font-weight: bold;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,107,107,0.4);
}

.btn-secondary {
    background: #54a0ff;
}

.btn-secondary:hover {
    background: #2f7ee8;
    box-shadow: 0 5px 15px rgba(84,160,255,0.4);
}

/* Seções */
.section {
    padding: 3rem 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #333;
}

/* Grid de produtos */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.produto-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: all 0.3s;
    position: relative;
}

.produto-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

.produto-imagem {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.produto-info {
    padding: 1.5rem;
}

.produto-nome {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
    color: #333;
}

.produto-categoria {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.produto-descricao {
    color: #666;
    margin-bottom: 1rem;
    line-height: 1.5;
}

.produto-preco {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 1rem;
}

.preco-atual {
    font-size: 1.5rem;
    font-weight: bold;
    color: #27ae60;
}

.preco-original {
    text-decoration: line-through;
    color: #999;
    font-size: 1rem;
}

.desconto {
    background: #ff4757;
    color: white;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.avaliacoes {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.estrelas {
    color: #feca57;
}

.produto-acoes {
    display: flex;
    gap: 10px;
}

.btn-adicionar {
    flex: 1;
    background: #2ecc71;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-adicionar:hover {
    background: #27ae60;
}

.btn-detalhes {
    background: #3498db;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-detalhes:hover {
    background: #2980b9;
}

/* Filtros */
.filtros {
    background: white;
    padding: 1.5rem;
    border-radius: 10px;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.filtros-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.filtro-grupo {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.filtro-grupo label {
    font-weight: bold;
    color: #333;
}

.filtro-grupo select,
.filtro-grupo input {
    padding: 8px 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.filtro-grupo select:focus,
.filtro-grupo input:focus {
    outline: none;
    border-color: #667eea;
}

/* Carrinho */
.carrinho-item {
    background: white;
    border-radius: 10px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.carrinho-item img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
}

.carrinho-info {
    flex: 1;
}

.carrinho-nome {
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.carrinho-preco {
    color: #27ae60;
    font-weight: bold;
}

.quantidade-controls {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0.5rem 0;
}

.btn-quantidade {
    background: #ddd;
    border: none;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    cursor: pointer;
    font-weight: bold;
}

.btn-quantidade:hover {
    background: #ccc;
}

.quantidade {
    font-weight: bold;
    min-width: 20px;
    text-align: center;
}

.btn-remover {
    background: #ff4757;
    color: white;
    border: none;
    padding: 8px 15px;
    border-radius: 6px;
    cursor: pointer;
    font-weight: bold;
}

.btn-remover:hover {
    background: #ff3838;
}

/* Resumo do carrinho */
.carrinho-resumo {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    position: sticky;
    top: 100px;
}

.resumo-linha {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.resumo-total {
    border-top: 2px solid #ddd;
    padding-top: 1rem;
    margin-top: 1rem;
    font-size: 1.2rem;
    font-weight: bold;
}

/* Formulários */
.form-grupo {
    margin-bottom: 1rem;
}

.form-grupo label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
    color: #333;
}

.form-grupo input,
.form-grupo select,
.form-grupo textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
}

.form-grupo input:focus,
.form-grupo select:focus,
.form-grupo textarea:focus {
    outline: none;
    border-color: #667eea;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: #ecf0f1;
}

.footer-section p,
.footer-section a {
    color: #bdc3c7;
    text-decoration: none;
    line-height: 1.6;
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #95a5a6;
}

/* Detalhes do produto */
.produto-detalhes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.produto-imagem-grande {
    width: 100%;
    max-width: 500px;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.produto-info-detalhes h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #333;
}

.produto-info-detalhes .produto-categoria {
    font-size: 1rem;
    margin-bottom: 1rem;
}

.especificacoes {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.especificacoes h3 {
    margin-bottom: 1rem;
    color: #333;
}

.especificacoes p {
    margin-bottom: 0.5rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .banner h1 {
        font-size: 2rem;
    }
    
    .banner p {
        font-size: 1rem;
    }
    
    .produtos-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .filtros-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .carrinho-item {
        flex-direction: column;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .produto-detalhes {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .produtos-grid {
        grid-template-columns: 1fr;
    }
    
    .produto-acoes {
        flex-direction: column;
    }
}

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* Estados */
.loading {
    text-align: center;
    padding: 2rem;
    color: #666;
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: #666;
}

.empty-state img {
    width: 200px;
    opacity: 0.5;
    margin-bottom: 1rem;
}

/* Mensagens de sucesso/erro */
.mensagem {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-weight: bold;
}

.mensagem-sucesso {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.mensagem-erro {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Melhorias visuais */
.badge {
    background: #667eea;
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: bold;
}

.card-hover {
    transition: all 0.3s ease;
}

.card-hover:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}