/* Variáveis para facilitar a manutenção */
:root {
    --primary-red: #da291c;
    --secondary-yellow: #ffc72c;
    --text-dark: #333;
    --text-light: #666;
    --border-light: #ddd;
    --shadow-light: rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #f0f2f5;
    color: var(--text-dark);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    background-color: var(--primary-red);
    color: #fff;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 2px 4px var(--shadow-light);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-logo {
    height: 40px;
    margin-right: 10px;
}

.navbar-title {
    font-size: 20px;
    font-weight: 700;
    flex-grow: 1; /* Permite que o título ocupe o espaço restante */
}

.navbar-rating {
    display: flex;
    align-items: center;
    font-size: 16px;
    background-color: rgba(0, 0, 0, 0.2);
    padding: 5px 10px;
    border-radius: 5px;
}

.navbar-rating .star {
    margin-right: 5px;
}

/* Main Content Area */
main {
    flex-grow: 1; /* Ocupa o espaço restante verticalmente */
    width: 100%;
    max-width: 900px; /* Largura máxima para o conteúdo principal */
    margin: 20px auto; /* Centraliza o conteúdo e adiciona margem */
    padding: 0 20px;
}

/* Screen Management (para simular a troca de telas) */
/* Nova configuração para as "telas" aparecerem uma embaixo da outra */
.screen {
    background-color: #fff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 10px var(--shadow-light);
    margin-bottom: 30px; /* Adiciona um espaço maior entre as seções */
    /* Removemos o 'display: none;' e '.screen.active' */
}

/* Welcome Screen */
.welcome-card {
    text-align: center;
    padding: 20px;
}

.welcome-title {
    font-size: 2.2em;
    margin-bottom: 15px;
    color: var(--primary-red);
}

.welcome-description {
    font-size: 1.1em;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.options-container {
    display: flex;
    justify-content: center;
    gap: 30px; /* Espaço entre os botões */
    flex-wrap: wrap; /* Quebra de linha para telas menores */
}

.option-button {
    background-color: #f7f7f7;
    border: 1px solid var(--border-light);
    border-radius: 15px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    cursor: pointer;
    transition: all 0.3s ease;
    width: 250px; /* Largura fixa para os botões */
}

.option-button:hover {
    background-color: var(--secondary-yellow);
    border-color: var(--secondary-yellow);
    transform: translateY(-5px);
}

.option-image {
    width: 120px;
    height: 120px;
    border-radius: 8px; /* Pequeno arredondamento para a imagem */
}

.option-text {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--text-dark);
}

/* Menu Screen */
.menu-tabs {
    display: flex;
    justify-content: flex-start; /* Alinha os tabs à esquerda */
    margin-bottom: 25px;
    border-bottom: 1px solid var(--border-light);
    overflow-x: auto; /* Adiciona scroll horizontal para tabs em telas pequenas */
    -webkit-overflow-scrolling: touch; /* Melhora o scroll em iOS */
    padding-bottom: 5px; /* Espaço para o underline do active */
}

.tab-button {
    background: none;
    border: none;
    padding: 10px 20px;
    font-size: 1.1em;
    font-weight: 500;
    color: var(--text-light);
    cursor: pointer;
    transition: color 0.3s ease, border-bottom 0.3s ease;
    white-space: nowrap; /* Impede que o texto quebre linha */
}

.tab-button.active {
    color: var(--primary-red);
    border-bottom: 3px solid var(--primary-red);
    font-weight: 700;
}

.tab-button:hover:not(.active) {
    color: var(--primary-red);
}

.menu-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); /* Layout responsivo de grid */
    gap: 25px;
}

.menu-item {
    display: flex;
    align-items: flex-start; /* Alinha o conteúdo ao topo */
    gap: 15px;
    background-color: #fff;
    border: 1px solid var(--border-light);
    border-radius: 10px;
    padding: 15px;
    box-shadow: 0 2px 5px var(--shadow-light);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.menu-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 12px var(--shadow-light);
}

.item-image {
    width: 100px;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0; /* Impede que a imagem encolha */
}

.item-details {
    flex-grow: 1;
}

.item-title {
    font-size: 1.2em;
    margin-bottom: 5px;
    color: var(--text-dark);
}

.item-description {
    font-size: 0.9em;
    color: var(--text-light);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2; /* Limita a descrição a 2 linhas */
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
}

.item-price {
    font-size: 1.1em;
    font-weight: 700;
    color: var(--primary-red);
}

/* Product Detail Screen */
.back-button {
    background: none;
    border: none;
    color: var(--text-dark);
    font-size: 1.1em;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 20px;
    padding: 5px 10px;
    border-radius: 5px;
    transition: background-color 0.2s ease;
}

.back-button:hover {
    background-color: #f0f0f0;
}

.product-image-wrapper {
    text-align: center;
    margin-bottom: 25px;
}

.product-detail-image {
    max-width: 300px;
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 4px 10px var(--shadow-light);
}

.product-detail-content {
    padding: 0 10px;
}

.product-detail-title {
    font-size: 2em;
    color: var(--text-dark);
    margin-bottom: 15px;
}

.product-price-quantity {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.product-detail-price {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary-red);
}

.quantity-selector {
    display: flex;
    align-items: center;
    border: 1px solid var(--border-light);
    border-radius: 50px;
    overflow: hidden;
}

.quantity-btn {
    background-color: var(--primary-red);
    color: #fff;
    border: none;
    width: 40px;
    height: 40px;
    font-size: 1.5em;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.quantity-btn:hover {
    background-color: #c02015;
}

.quantity-value {
    padding: 0 20px;
    font-size: 1.2em;
    font-weight: 700;
    color: var(--text-dark);
    min-width: 50px;
    text-align: center;
}

.product-info-section {
    margin-bottom: 25px;
}

.product-info-section h3 {
    font-size: 1.4em;
    margin-bottom: 10px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-light);
    padding-bottom: 5px;
}

.product-info-section p,
.product-info-section ul {
    font-size: 1em;
    color: var(--text-light);
}

.product-info-section ul {
    list-style: none;
    padding-left: 0;
}

.product-info-section ul li {
    margin-bottom: 5px;
    padding-left: 15px;
    position: relative;
}

.product-info-section ul li::before {
    content: '•';
    color: var(--primary-red);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.add-to-cart-button {
    background-color: var(--secondary-yellow);
    color: var(--text-dark);
    font-size: 1.3em;
    font-weight: 700;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.2s ease;
    box-shadow: 0 4px 10px var(--shadow-light);
}

.add-to-cart-button:hover {
    background-color: #ffb800;
    transform: translateY(-2px);
}

/* Responsividade */
@media (max-width: 768px) {
    .navbar {
        padding: 10px 15px;
    }
    .navbar-title {
        font-size: 18px;
    }
    main {
        padding: 0 15px;
        margin: 15px auto;
    }
    .welcome-title {
        font-size: 1.8em;
    }
    .welcome-description {
        font-size: 1em;
    }
    .options-container {
        flex-direction: column;
        align-items: center;
        gap: 20px;
    }
    .option-button {
        width: 100%; /* Ocupa a largura total em telas menores */
        max-width: 300px;
    }
    .menu-tabs {
        justify-content: flex-start; /* Mantém alinhado à esquerda, com scroll */
    }
    .menu-list {
        grid-template-columns: 1fr; /* Uma coluna em telas pequenas */
    }
    .menu-item {
        flex-direction: row; /* Mantém lado a lado em celulares */
        text-align: left;
    }
    .product-detail-title {
        font-size: 1.6em;
    }
    .product-detail-price {
        font-size: 1.5em;
    }
    .quantity-selector {
        transform: scale(0.9); /* Reduz um pouco o tamanho do seletor */
    }
    .quantity-btn {
        width: 35px;
        height: 35px;
        font-size: 1.3em;
    }
    .quantity-value {
        padding: 0 15px;
    }
    .add-to-cart-button {
        font-size: 1.1em;
        padding: 12px 25px;
    }
}

@media (max-width: 480px) {
    .navbar-logo {
        height: 35px;
    }
    .navbar-title {
        font-size: 16px;
    }
    .navbar-rating {
        font-size: 14px;
    }
    .welcome-title {
        font-size: 1.5em;
    }
    .welcome-description {
        font-size: 0.9em;
    }
    .option-image {
        width: 90px;
        height: 90px;
    }
    .option-text {
        font-size: 1em;
    }
    .tab-button {
        padding: 8px 15px;
        font-size: 1em;
    }
    .item-image {
        width: 80px;
        height: 80px;
    }
    .item-title {
        font-size: 1.1em;
    }
    .item-description {
        font-size: 0.85em;
    }
    .item-price {
        font-size: 1em;
    }
    .back-button {
        font-size: 1em;
    }
    .product-detail-image {
        max-width: 250px;
    }
    .product-detail-title {
        font-size: 1.4em;
    }
    .product-detail-price {
        font-size: 1.3em;
    }
}