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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f9fdfa;
    color: #333;
}

header {
    background-color: #2e7d32;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

header .logo h1 { font-size: 24px; }
header .logo p { font-size: 14px; font-weight: 300; }

.carrinho-btn {
    background-color: #fff;
    color: #2e7d32;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 18px;
    cursor: pointer;
    font-weight: bold;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: background 0.3s;
}

.carrinho-btn:hover { background-color: #e8f5e9; }

/* Seção de Filtros */
.filtros-section {
    padding: 30px 50px 10px;
    text-align: center;
}

.filtros-section h2 {
    font-size: 18px;
    margin-bottom: 15px;
    color: #555;
}

.botoes-filtro {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.botoes-filtro button {
    background-color: transparent;
    color: #2e7d32;
    border: 2px solid #2e7d32;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s;
}

.botoes-filtro button:hover {
    background-color: #2e7d32;
    color: #fff;
}

/* Grid de Produtos */
.produtos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    padding: 20px 50px;
}

.produto-card {
    background-color: white;
    border-radius: 8px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.produto-card:hover { transform: translateY(-5px); }
.produto-card img { max-width: 100%; border-radius: 8px; margin-bottom: 15px; }
.produto-card h3 { font-size: 18px; margin-bottom: 10px; }
.produto-card .categoria { font-size: 12px; color: #666; text-transform: uppercase; display: block; margin-bottom: 10px; }
.produto-card .descricao { font-size: 14px; color: #555; margin-bottom: 15px; flex-grow: 1; }
.produto-card .preco { font-size: 20px; font-weight: bold; color: #2e7d32; margin-bottom: 15px; }

.produto-card button {
    background-color: #4caf50;
    color: white;
    border: none;
    padding: 10px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background 0.3s;
}

.produto-card button:hover { background-color: #388e3c; }

/* Sidebar do Carrinho */
.sidebar {
    position: fixed;
    top: 0;
    right: -400px;
    width: 350px;
    height: 100vh;
    background-color: white;
    box-shadow: -4px 0 10px rgba(0,0,0,0.2);
    transition: right 0.3s ease;
    padding: 20px;
    display: flex;
    flex-direction: column;
    z-index: 1000;
}

.sidebar.aberta { right: 0; }

.cabecalho-carrinho {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

#btn-fechar-carrinho {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

#btn-fechar-carrinho:hover { color: #333; }
#itens-carrinho { flex-grow: 1; overflow-y: auto; }

.total-carrinho {
    border-top: 1px solid #ddd;
    padding-top: 20px;
    text-align: center;
}

.total-carrinho p { font-size: 20px; font-weight: bold; margin-bottom: 15px; }

#btn-finalizar-compra {
    background-color: #2e7d32;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    width: 100%;
    transition: background 0.3s;
}

#btn-finalizar-compra:hover { background-color: #1b5e20; }
#btn-finalizar-compra:disabled { background-color: #999; cursor: not-allowed; }