/* --- 1. DESIGN SYSTEM --- */
        :root {
            /* Cores Light Mode */
            --primary: #E91E63;      /* Rosa do Logo */
            --primary-light: #FCE4EC;
            --secondary: #03A9F4;    /* Azul do Logo */
            --accent: #FFEB3B;       /* Amarelo do Logo */
            --success: #4CAF50;      /* Verde */
            --dark: #37474F;         /* Texto Escuro */
            --light: #FAFAFA;        /* Fundo Claro */
            --white: #FFFFFF;        /* Fundo Cards */
            --card-border: #f0f0f0;  /* Borda sutil */
            --input-bg: #F8F9FA;     /* Fundo Input */
            
            --gradient-login: linear-gradient(135deg, #F8BBD0 0%, #E1BEE7 50%, #B3E5FC 100%);
            --gradient-banner: linear-gradient(90deg, #2E7D32 0%, #66BB6A 100%);
            
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 15px 30px rgba(0,0,0,0.12);
            
            --radius-md: 16px;
            --radius-lg: 24px;
        }

       

        /* --- MODO ESCURO --- */
        body.dark-mode {
            --primary: #FF80AB;      /* Rosa mais claro para contraste */
            --primary-light: #333333;
            --secondary: #4FC3F7;    
            --accent: #FFD54F;       
            --success: #81C784;      
            --dark: #ECEFF1;         /* Texto Claro */
            --light: #121212;        /* Fundo Preto Suave */
            --white: #1E1E1E;        /* Cards Cinza Escuro */
            --card-border: #333333;
            --input-bg: #2C2C2C;
            
            --gradient-login: linear-gradient(135deg, #1F1F1F 0%, #2c2c2c 100%);
            
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 16px rgba(0,0,0,0.4);
            --shadow-lg: 0 15px 30px rgba(0,0,0,0.5);
        }

        * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

        body {
            font-family: 'Nunito', sans-serif;
            background: var(--light);
            color: var(--dark);
            padding-bottom: 120px; /* Espaço extra para a sacola */
            overflow-x: hidden;
            padding-top: 80px; /* Ajuste header fixo */
            transition: background 0.3s, color 0.3s; /* Transição suave */
        }

        h1, h2, h3, .title-font { font-family: 'Fredoka', sans-serif; }
        .script-font { font-family: 'Pacifico', cursive; }

        /* --- UTILITÁRIOS --- */
        .container { max-width: 1100px; margin: 0 auto; padding: 0 15px; }
        .hidden { display: none !important; }
        .fade-in { animation: fadeIn 0.5s ease-in; }
        
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

        /* --- TELA DE LOGIN --- */
        #login-screen {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: var(--gradient-login);
            z-index: 9999;
            display: flex; flex-direction: column; justify-content: center; align-items: center;
            padding: 20px;
            transition: opacity 0.5s;
        }

        .bg-pattern {
            position: absolute; width: 100%; height: 100%; overflow: hidden; pointer-events: none;
            opacity: 0.4;
            background-image: radial-gradient(var(--white) 15%, transparent 16%);
            background-size: 40px 40px;
        }

        .login-card {
            background: var(--white);
            padding: 40px 30px; border-radius: 30px;
            text-align: center; width: 100%; max-width: 380px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.2);
            border: 4px solid var(--card-border);
            position: relative; z-index: 2;
        }

        .login-logo { width: 180px; height: auto; margin-bottom: 20px; border-radius: 10px; }
        .login-title { font-size: 1.4rem; color: var(--primary); margin-bottom: 5px; font-weight: 700; }

        .login-input {
            width: 100%; 
            padding: 12px; 
            margin: 5px 0;
            border: 2px solid var(--card-border); 
            background: var(--input-bg);
            border-radius: 50px;
            font-size: 1.1rem; 
            text-align: center; 
            font-family: 'Nunito', sans-serif;
            outline: none; transition: all 0.3s; color: var(--dark);
        }
        .login-input:focus { border-color: var(--secondary); background: var(--white); box-shadow: 0 0 0 4px rgba(3, 169, 244, 0.1); }

        .btn-login {
            width: 100%; padding: 16px; background: var(--primary); color: white;
            border: none; border-radius: 50px; font-size: 1.1rem; font-weight: 800;
            cursor: pointer; box-shadow: 0 8px 20px rgba(233, 30, 99, 0.25);
            transition: transform 0.2s;
        }
        .btn-login:active { transform: scale(0.98); }

        /* --- HEADER --- */
        header {
            background: var(--white); padding: 15px 0;
            position: fixed; top: 0; width: 100%; z-index: 1001;
            box-shadow: var(--shadow-sm);
            border-bottom: 3px solid var(--primary-light);
            transition: background 0.3s, border-color 0.3s;
        }

        .header-content { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 1.3rem; color: var(--primary); font-weight: 800; display: flex; align-items: center; gap: 8px; }
        
        .header-actions { display: flex; align-items: center; gap: 15px; }

        /* Botão Dark Mode */
        .theme-toggle {
            cursor: pointer; font-size: 1.2rem; color: var(--dark);
            padding: 5px; border-radius: 50%; transition: transform 0.2s;
        }
        .theme-toggle:hover { transform: rotate(15deg); }

        .cart-icon { position: relative; padding: 8px; cursor: pointer; transition: transform 0.2s; }
        .cart-icon:hover { transform: scale(1.1); }
        .cart-count {
            position: absolute; top: 0; right: 0; background: var(--secondary); color: white;
            font-size: 0.75rem; font-weight: bold; width: 20px; height: 20px; 
            line-height: 20px; text-align: center; border-radius: 50%;
            border: 2px solid var(--white); box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }

        /* --- BOAS VINDAS --- */
        .welcome-banner { text-align: center; padding: 20px; margin-bottom: 10px; }
        .welcome-title { color: var(--primary); font-size: 1.8rem; margin-bottom: 5px; }
        .welcome-text { color: #888; font-size: 1rem; } 

        /* --- BARRA DE PESQUISA --- */
        .search-wrapper { position: relative; margin: 10px auto 25px; max-width: 600px; }
        .search-input {
            width: 100%; padding: 15px 20px 15px 50px;
            border-radius: 50px; border: 2px solid var(--card-border);
            font-family: 'Nunito', sans-serif; font-size: 1rem;
            outline: none; transition: all 0.3s;
            background: var(--white); color: var(--dark);
        }
        .search-input:focus { border-color: var(--secondary); box-shadow: 0 4px 15px rgba(0,0,0,0.05); }
        .search-icon-fixed {
            position: absolute; left: 20px; top: 50%; transform: translateY(-50%);
            color: #999; font-size: 1.2rem;
        }

        /* --- FILTROS --- */
        .category-scroll {
            display: flex; gap: 10px; overflow-x: auto; padding: 10px 15px;
            scrollbar-width: none; margin-bottom: 25px; justify-content: flex-start;
        }
        @media (min-width: 768px) { .category-scroll { justify-content: center; } }

        .cat-btn {
            white-space: nowrap; padding: 10px 24px; border-radius: 50px;
            background: var(--white); 
            font-weight: 700; font-size: 0.95rem; cursor: pointer;
            transition: all 0.2s; box-shadow: var(--shadow-sm);
            border: 2px solid transparent;
        }

        /* Cores Categorias (Lápis de Cor) */
        .cat-btn:nth-child(1) { color: #777; border-color: #2196F3; }
        .cat-btn:nth-child(1).active { background: #2196F3; color: white; box-shadow: 0 4px 10px rgba(33, 150, 243, 0.4); }

        .cat-btn:nth-child(2) { color: #777; border-color: #FF9800; }
        .cat-btn:nth-child(2).active { background: #FF9800; color: white; box-shadow: 0 4px 10px rgba(255, 152, 0, 0.4); }

        .cat-btn:nth-child(3) { color: #777; border-color: #4CAF50; }
        .cat-btn:nth-child(3).active { background: #4CAF50; color: white; box-shadow: 0 4px 10px rgba(76, 175, 80, 0.4); }

        .cat-btn:nth-child(4) { color: #777; border-color: #9C27B0; }
        .cat-btn:nth-child(4).active { background: #9C27B0; color: white; box-shadow: 0 4px 10px rgba(156, 39, 176, 0.4); }

        .cat-btn:nth-child(5) { color: #777; border-color: #E91E63; }
        .cat-btn:nth-child(5).active { background: #E91E63; color: white; box-shadow: 0 4px 10px rgba(233, 30, 99, 0.4); }
        
        /* Ajuste texto botão dark mode */
        body.dark-mode .cat-btn { color: #ccc; }
        body.dark-mode .cat-btn.active { color: white; }

        /* --- PRODUTO DESTAQUE (HORA DA LEITURINHA) --- */
        .featured-wrapper { margin-bottom: 30px; }
        .featured-title { text-align: center; font-size: 1.4rem; color: var(--secondary); margin-bottom: 15px; position: relative; display: inline-block; width: 100%;}
        .featured-title i { color: var(--accent); margin-right: 5px; }
        
        .featured-card {
            background: #FFFDE7; /* Amarelo bem clarinho */
            border: 3px solid var(--accent); /* Borda giz amarelo */
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s;
            position: relative;
        }
        body.dark-mode .featured-card { background: #262626; border-color: #FBC02D; }

        .featured-card:hover { transform: translateY(-5px); }
        
        .featured-badge {
            position: absolute; top: 15px; left: 15px; z-index: 10;
            background: #FF5252; color: white; padding: 5px 15px;
            border-radius: 20px; font-weight: 800; font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(0,0,0,0.2);
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

        .featured-img-wrap {
            width: 100%; height: 250px; overflow: hidden; position: relative;
            cursor: pointer;
        }
        .featured-img { width: 100%; height: 100%; object-fit: cover; }
        
        .featured-info { padding: 20px; flex: 1; display: flex; flex-direction: column; justify-content: center; }
        
        .featured-name { font-size: 1.5rem; color: var(--primary); margin-bottom: 10px; line-height: 1.2; }
        .featured-desc { font-size: 0.95rem; color: var(--dark); margin-bottom: 15px; line-height: 1.5; }
        
        .featured-price-block { margin-bottom: 15px; }
        .featured-old-price { text-decoration: line-through; color: #999; font-size: 1rem; margin-right: 10px; }
        .featured-price { font-size: 1.8rem; color: #4CAF50; font-weight: 800; }
        
        .btn-featured-add {
            width: 100%; padding: 14px; background: #4CAF50; color: white;
            border: none; border-radius: 12px; font-weight: 800; font-size: 1.1rem;
            cursor: pointer; box-shadow: 0 4px 0 #388E3C; transition: transform 0.1s;
            display: flex; align-items: center; justify-content: center; gap: 10px;
        }
        .btn-featured-add:active { transform: translateY(4px); box-shadow: none; }
        
        @media (min-width: 768px) {
            .featured-card { flex-direction: row; height: 320px; }
            .featured-img-wrap { width: 45%; height: 100%; }
            .featured-info { width: 55%; padding: 30px; align-items: flex-start; text-align: left; }
            .featured-name { font-size: 2rem; }
            .btn-featured-add { width: auto; padding: 12px 40px; }
        }

        /* --- PROMOÇÃO INLINE --- */
        .super-promo-inline {
            background: var(--gradient-banner);
            color: white; text-align: center; padding: 20px;
            border-radius: 16px; margin: 0 auto 30px; max-width: 100%;
            box-shadow: 0 8px 20px rgba(46, 125, 50, 0.25);
            cursor: pointer; transition: transform 0.2s;
            position: relative; overflow: hidden;
            display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
            border: 2px dashed rgba(255,255,255,0.3);
        }
        .super-promo-inline:hover { transform: scale(1.01); }
        .inline-promo-text { font-size: 1.1rem; font-weight: 600; line-height: 1.3; }
        
        .inline-promo-price { 
            background: #FFEB3B; color: #2E7D32; padding: 6px 16px; 
            border-radius: 30px; font-weight: 800; font-size: 1.3rem;
            animation: pulse-yellow 2s infinite; display: inline-block; margin-top: 5px;
            box-shadow: 0 4px 0 #FBC02D;
        }
        @keyframes pulse-yellow { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

        /* --- GRID --- */
        .grid-title { text-align: center; margin-bottom: 20px; position: relative; color: var(--dark); font-size: 1.5rem; }
        .grid-title::after {
            content: ''; display: block; width: 60px; height: 4px;
            background: var(--secondary); margin: 8px auto 0; border-radius: 2px;
        }

        .products-grid {
            display: grid; grid-template-columns: 1fr 1fr; gap: 15px; padding: 0 5px;
        }

        .product-card {
            background: var(--white); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: transform 0.3s; display: flex; flex-direction: column;
            border: 1px solid var(--card-border); height: 100%;
        }
        .product-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }

        .prod-img-wrap {
            position: relative; padding-top: 100%; overflow: hidden; background: #eee;
        }
        .prod-img { 
            position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; cursor: pointer;
        }
        .discount-badge {
            position: absolute; top: 8px; left: 8px;
            background: var(--accent); color: #333;
            font-size: 0.75rem; font-weight: 800; padding: 4px 8px; border-radius: 6px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .prod-info { padding: 12px; flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
        
        .prod-title { 
            font-size: 0.9rem; font-weight: 800; margin-bottom: 5px; 
            line-height: 1.3; color: var(--dark); 
        }
        
        .prod-desc {
            font-size: 0.75rem; color: #777; margin-bottom: 10px;
            line-height: 1.4; background: var(--input-bg); padding: 8px; border-radius: 8px;
            border: 1px dashed var(--card-border);
        }

        .price-block { margin-top: auto; }
        .prod-old-price { font-size: 0.8rem; text-decoration: line-through; color: #999; }
        .prod-price { color: var(--primary); font-weight: 800; font-size: 1.1rem; }
        
        /* BOTÕES */
        .card-actions { display: flex; gap: 8px; padding: 10px;}

        .btn-add-cart {
            flex: 2; padding: 10px;
            border: 1px solid var(--success); color: var(--success);
            background: var(--white); border-radius: 10px; font-weight: 800;
            cursor: pointer; transition: all 0.2s; font-size: 0.85rem;
        }
        .btn-add-cart.selected { background: var(--success); color: white; border-color: var(--success); }
        .btn-add-cart:active { transform: scale(0.98); }

        .btn-warning {
          background-color: #FFC107; color: white;
          border: none;
        }

        .btn-danger {
          background-color: #FF5252; color: white;
          border: none;
          cursor: not-allowed; transition: transform 0.1s;
        }

        .btn-preview {
            flex: 1; padding: 10px;
            border: 1px solid var(--card-border); background: var(--input-bg); color: var(--dark);
            border-radius: 10px; font-weight: 700; cursor: pointer;
            font-size: 0.85rem; display: flex; align-items: center; justify-content: center;
        }
        .btn-preview:hover { background: var(--card-border); }

        /* --- FAQ --- */
        .faq-section { background: var(--white); padding: 40px 20px; margin-top: 40px; border-top: 1px solid var(--card-border); }
        .faq-item { border-bottom: 1px solid var(--card-border); padding: 15px 0; }
        .faq-question { font-weight: 700; cursor: pointer; display: flex; justify-content: space-between; color: var(--dark); }
        .faq-answer { display: none; margin-top: 10px; color: #777; font-size: 0.95rem; line-height: 1.5; }
        .faq-item.active .faq-answer { display: block; }

        /* --- CHECKOUT BAR (SACOLA FLUTUANTE) --- */
        .checkout-bar {
            position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(200%);
            width: 92%; max-width: 450px;
            background: #263238; color: white;
            padding: 12px 20px; border-radius: 50px;
            display: flex; justify-content: space-between; align-items: center;
            box-shadow: 0 10px 40px rgba(0,0,0,0.4); z-index: 2500;
            transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            border: 2px solid #FFEB3B; /* Amarelo destaque */
        }
        .checkout-bar.visible { transform: translateX(-50%) translateY(0); }
        
        .checkout-info { display: flex; align-items: center; gap: 15px; }
        .checkout-bag-icon { 
            font-size: 1.5rem; color: #FFEB3B; 
            position: relative;
        }
        .checkout-badge {
            position: absolute; top: -5px; right: -8px;
            background: #FF5252; color: white; font-size: 0.7rem; font-weight: bold;
            width: 18px; height: 18px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            border: 2px solid #263238;
        }
        
        /* Miniatura do produto na barra */
        .checkout-thumb {
            width: 40px; height: 40px; border-radius: 50%; border: 2px solid white;
            object-fit: cover; background: white; margin-right: 5px;
        }
        
        .checkout-text { display: flex; flex-direction: column; }
        .checkout-label { font-size: 0.75rem; color: #ccc; }
        .checkout-total { font-size: 1.1rem; font-weight: 800; color: white; }

        .btn-checkout-float {
            background: #4CAF50; color: white; text-decoration: none;
            padding: 10px 20px; border-radius: 30px; font-weight: bold;
            display: flex; align-items: center; gap: 8px; font-size: 0.95rem;
            box-shadow: 0 4px 0 #2E7D32; transition: transform 0.1s;
            cursor: pointer; border: none;
        }
        .btn-checkout-float:active { transform: translateY(2px); box-shadow: none; }

        /* --- CART SIDEBAR (Mantida para ver detalhes) --- */
        .cart-overlay {
            position: fixed; top: 0; left: 0; width: 100%; height: 100%;
            background: rgba(0,0,0,0.5); z-index: 3000;
            opacity: 0; visibility: hidden; transition: all 0.3s;
            display: flex; justify-content: flex-end;
        }
        .cart-overlay.open { opacity: 1; visibility: visible; }
        
        .cart-sidebar {
            background: var(--white); width: 100%; max-width: 400px; height: 100%;
            box-shadow: -5px 0 25px rgba(0,0,0,0.1);
            transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            display: flex; flex-direction: column;
        }
        .cart-overlay.open .cart-sidebar { transform: translateX(0); }

        .cart-header {
            padding: 20px; background: var(--primary); color: white;
            display: flex; justify-content: space-between; align-items: center;
        }
        .cart-header h3 { margin: 0; font-family: 'Fredoka', sans-serif; font-size: 1.3rem; }
        .close-cart { cursor: pointer; font-size: 1.5rem; background: rgba(255,255,255,0.2); width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }

        .cart-body { flex: 1; overflow-y: auto; padding: 20px; }
        .cart-empty-msg { text-align: center; color: #999; margin-top: 50px; font-style: italic; }

        .cart-item {
            display: flex; gap: 15px; margin-bottom: 20px;
            border-bottom: 1px solid var(--card-border); padding-bottom: 15px;
        }
        
        .cart-item-img { width: 70px; height: 70px; border-radius: 10px; object-fit: cover; border: 1px solid #eee; }
        .cart-item-info { flex: 1; }
        .cart-item-title { font-weight: 700; font-size: 0.95rem; color: var(--dark); margin-bottom: 5px; line-height: 1.2; }
        .cart-item-price { color: var(--primary); font-weight: 800; font-size: 1rem; }
        .btn-remove-item { color: #aaa; font-size: 0.8rem; cursor: pointer; text-decoration: underline; margin-top: 5px; display: inline-block; }

        .cart-footer { padding: 20px; background: var(--input-bg); border-top: 1px solid var(--card-border); }
        .cart-total-row { display: flex; justify-content: space-between; align-items: center; font-size: 1.2rem; font-weight: 800; color: var(--dark); }
        .total-price { color: var(--primary); font-size: 1.5rem; }
        
        .btn-checkout-sidebar {
            width: 100%; padding: 10px; background: #00b1ea; color: white;
            border: none; border-radius: 18px; font-weight: 800; font-size: 1.1rem;
            cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px;
            box-shadow: 0 5px 15px rgba(45, 50, 119, 0.3); transition: transform 0.2s;
            margin-top: 15px;
        }
        .btn-checkout-sidebar:hover { transform: translateY(-2px); }


        /* --- IMAGE MODAL --- */
        .image-modal {
            display: none; position: fixed; z-index: 4000; 
            left: 0; top: 0; width: 100%; height: 100%; 
            background-color: rgba(0,0,0,0.9); backdrop-filter: blur(5px);
            align-items: center; justify-content: center;
        }
        
        .modal-wrapper {
            position: relative; max-width: 95%; max-height: 95vh;
            display: flex; flex-direction: column; align-items: center; justify-content: center;
            animation: zoom 0.3s;
        }

        .image-modal-content {
            display: block; max-width: 100%; max-height: 60vh; 
            border-radius: 10px; object-fit: contain;
            box-shadow: 0 5px 30px rgba(0,0,0,0.5);
        }
        
        .modal-info-container { width: 100%; text-align: center; }

        .modal-description {
            color: #fff; font-size: 0.9rem; margin: 15px 0 5px;
            text-align: center; background: rgba(0,0,0,0.6); padding: 10px 15px;
            border-radius: 10px; display: inline-block; line-height: 1.4;
            backdrop-filter: blur(2px); border: 1px solid rgba(255,255,255,0.1);
        }
        
        .modal-price-area { margin: 10px 0 15px; color: white; display: flex; flex-direction: column; align-items: center;}
        .modal-old-price { text-decoration: line-through; color: #ccc; font-size: 0.9rem; margin-right: 10px; }
        .modal-new-price { font-size: 1.5rem; font-weight: 800; color: #4CAF50; text-shadow: 0 2px 4px rgba(0,0,0,0.5); }
        .modal-validity-text { font-size: 0.85rem; color: #FFEB3B; margin-top: 5px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; text-shadow: 0 1px 2px rgba(0,0,0,0.5); }

        .modal-footer-actions { display: flex; gap: 15px; width: 100%; justify-content: center; }

        .btn-modal-action {
            padding: 12px 25px; border-radius: 50px; font-weight: 700; cursor: pointer;
            font-size: 1rem; border: none; transition: transform 0.2s;
            display: flex; align-items: center; justify-content: center; gap: 8px; min-width: 140px;
        }
        .btn-modal-close-action { background: #FF5252; color: white; box-shadow: 0 4px 10px rgba(255, 82, 82, 0.4); }
        .btn-modal-add-action { background: #4CAF50; color: white; box-shadow: 0 4px 10px rgba(76, 175, 80, 0.4); }
        .btn-modal-action:active { transform: scale(0.95); }

        @keyframes cart-bounce { 0% { transform: scale(1); } 40% { transform: scale(1.3); } 100% { transform: scale(1); } }
        .cart-bounce { animation: cart-bounce 0.4s ease; }
        @keyframes zoom { from {transform:scale(0.8); opacity: 0} to {transform:scale(1); opacity: 1} }

        /* Desktop Adjustments */
        @media (min-width: 768px) {
            .products-grid { grid-template-columns: repeat(4, 1fr); gap: 25px; }
            .welcome-title { font-size: 2.2rem; }
            .prod-title { font-size: 1rem; }
            .prod-desc { font-size: 0.85rem; }
            .btn-add-cart { font-size: 0.95rem; }
        }

        .header-btn {
            background: transparent; color: var(--primary); border: 2px solid var(--primary);
            padding: 8px 20px; border-radius: 30px; font-weight: 700; font-size: 0.9rem;
            cursor: pointer; transition: all 0.2s;
        }
        .header-btn:hover { background: var(--primary); color: white; }
        #all-activities-btn{
        display: none;
      }
        .alert {          
          padding: 10px;
          border-radius: 5px;
          margin-bottom: 15px;
          font-weight: 700;
        }
        .alert-danger {
          background-color: #ff4d4d;
          color: white;
          padding: 20px;
          border-radius: 5px;
          margin-bottom: 15px;
        }
        .alert-title {
          font-size: 1.2rem;
          margin-bottom: 10px;
        }
        .alert-success {
          background-color: #4CAF50;
          color: white;
          padding: 20px;
          border-radius: 5px;
          margin-bottom: 15px;
        }
        .alert-info {
          background-color: #2196F3;
          color: white;
          padding: 20px;
          border-radius: 5px;
          margin-bottom: 15px;
        }
        .alert-warning {
          background-color: #FFC107;
          color: white;
          padding: 20px;
          border-radius: 5px;
          margin-bottom: 15px;
        }

        .whatsapp-float {
          position: fixed;
          bottom: 20px;
          right: 20px;
          z-index: 1000;
      }
      .whatsapp-icon {
          width: 60px;
          height: 60px;
          border-radius: 50%;
          box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
          transition: transform 0.3s ease;
      }
      .whatsapp-icon:hover {
          transform: scale(1.1);
      }

      .error-message {
          color: #ff4d4d;
          margin-top: 5px;
          display: flex;
          flex-flow: column;
          align-items: center;
      }
      #container {
        display: flex;
        flex-direction: column;
        align-items: center;
    }