@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

:root {
    /* Cores Temáticas */
    --primary-color: #4a90e2; /* Azul Vibrante (Pendente, Ações, Link) */
    --secondary-color: #50e3c2; /* Verde Água (Checkout, Total da FACADA) */
    --background-color: #f4f7f6; /* Fundo principal */
    --card-background: #ffffff;
    --text-color: #333;
    --text-light: #888;
    --danger-color: #e74c3c; /* Vermelho (Excluir, Sair) */
    --warning-color: #ffc107; /* Amarelo (No Carrinho) */
    --shadow: 0 4px 15px rgba(0, 0, 0, 0.08);

    /* Cores de Categoria para Border-Left */
    --cat-mercearia: #f9a825;
    --cat-hortifruti: #8bc34a;
    --cat-carnes: #e57373;
    --cat-padaria: #d2a679;
    --cat-bebidas: #4fc3f7;
    --cat-limpeza: #64b5f6;
    --cat-higiene: #ba68c8;
    --cat-outros: #90a4ae;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

/* --- Layout da Aplicação Principal --- */
.app-container {
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
}

/* --- Cabeçalho e User --- */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

header h1 {
    color: var(--primary-color);
    font-size: 2.2rem;
}

.user-display { 
    display: flex; 
    align-items: center; 
    gap: 15px; 
    font-size: 1rem; 
}

#currentUserDisplay {
    font-weight: 600;
}

#logoutBtn { 
    background-color: var(--danger-color); 
    padding: 8px 12px; 
}
#logoutBtn:hover { 
    background-color: #c0392b; 
}

/* --- Formulários e Controles Globais --- */
select,
input[type="text"],
input[type="password"],
input[type="number"] {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    width: 100%;
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

button:hover {
    background-color: #357abd;
    transform: translateY(-2px);
}

.controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.checkout-btn {
    background-color: var(--secondary-color);
}
.checkout-btn:hover {
    background-color: #38c1a5;
}

/* --- Seção de Totais (Rastreamento de Gastos) --- */
.totals-container { 
    background-color: var(--card-background); 
    padding: 15px 25px; 
    border-radius: 12px; 
    box-shadow: var(--shadow); 
    display: flex; 
    justify-content: space-around; 
    flex-wrap: wrap; 
    gap: 20px; 
    margin-bottom: 2rem; 
    text-align: center; 
}
.total-box { 
    flex-grow: 1; 
    min-width: 180px;
}
.total-box h3 { 
    font-size: 1rem; 
    color: var(--text-light); 
    margin-bottom: 5px; 
    font-weight: 400; 
}
.total-box p { 
    font-size: 1.8rem; 
    font-weight: 700; 
    color: var(--primary-color); /* Carrinho */
}
.total-box.purchased p { 
    color: var(--secondary-color); /* Total da FACADA */
}

/* --- Lista de Compras --- */
.shopping-list h2 {
    margin-bottom: 1rem;
    color: #555;
    border-bottom: 2px solid #eee;
    padding-bottom: 0.5rem;
}

.list-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.list-item {
    background: var(--card-background);
    border-radius: 12px;
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border-left: 8px solid var(--text-light); 
    transition: all 0.3s;
}

.list-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.item-main {
    margin-bottom: 15px;
}

.item-name {
    font-size: 1.4rem;
    font-weight: 600;
    word-break: break-word;
}

.item-quantity, .item-price, .item-price-unit {
    color: var(--text-light);
    font-size: 0.95rem;
}

.item-meta {
    font-size: 0.85rem;
    color: var(--text-light);
    border-top: 1px solid #eee;
    padding-top: 10px;
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.item-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.item-actions button {
    flex-grow: 1;
    font-size: 0.9rem;
    padding: 8px 12px;
    display: flex; 
    justify-content: center;
    align-items: center;
    gap: 5px;
}

/* Botão Excluir */
.item-actions .delete-btn {
    flex-grow: 0;
    background-color: transparent;
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
    width: 40px;
    padding: 0;
}
.item-actions .delete-btn:hover {
    background-color: var(--danger-color);
    color: white;
}

/* Botões de Ação na Lista */
.item-actions .cart-btn { background-color: var(--warning-color); color: var(--text-color); }
.item-actions .cart-btn:hover { background-color: #e0a800; }

.item-actions .edit-btn,
.item-actions .edit-price-btn { background-color: #6c757d; color: white; }
.item-actions .edit-btn:hover,
.item-actions .edit-price-btn:hover { background-color: #5a6268; }

.item-actions .pending-btn { background-color: #17a2b8; color: white; }
.item-actions .pending-btn:hover { background-color: #138496; }

.item-actions .comprado-label {
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 1rem;
    margin-left: auto;
}


/* --- Estilos baseados no Status do Item (DATA ATTRIBUTES) --- */

.list-item[data-status="Pendente"] { border-left-color: var(--primary-color); }
.list-item[data-status="No Carrinho"] { border-left-color: var(--warning-color); background-color: #fffbe6; } /* Amarelo */
.list-item[data-status="Comprado"] { border-left-color: var(--secondary-color); background-color: #eaf8ea; }
.list-item[data-status="Arquivado"] { opacity: 0.6; border-left-color: #7f8c8d; background-color: #f8f9f9; }

/* Estilos de Categoria (border-left-color) para Pendentes */
.list-item[data-status="Pendente"][data-category="Mercearia"] { border-left-color: var(--cat-mercearia); }
.list-item[data-status="Pendente"][data-category="Hortifruti"] { border-left-color: var(--cat-hortifruti); }
.list-item[data-status="Pendente"][data-category="Carnes"] { border-left-color: var(--cat-carnes); }
.list-item[data-status="Pendente"][data-category="Padaria"] { border-left-color: var(--cat-padaria); }
.list-item[data-status="Pendente"][data-category="Bebidas"] { border-left-color: var(--cat-bebidas); }
.list-item[data-status="Pendente"][data-category="Limpeza"] { border-left-color: var(--cat-limpeza); }
.list-item[data-status="Pendente"][data-category="Higiene"] { border-left-color: var(--cat-higiene); }
.list-item[data-status="Pendente"][data-category="Outros"] { border-left-color: var(--cat-outros); }

#purchased-list .item-name {
    text-decoration: line-through;
    color: var(--text-light);
}

/* --- Estilo do Modal (Adicionar/Editar Item) --- */
.modal { 
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0; 
    top: 0; 
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0, 0, 0, 0.5); 
    animation: fadeIn 0.3s; 
    display: flex; /* Adicionado para centralizar */
    align-items: center; 
    justify-content: center;
}
.modal-content { 
    background-color: #fefefe; 
    padding: 30px; 
    border: 1px solid #888; 
    width: 90%; 
    max-width: 500px; 
    border-radius: 12px; 
    box-shadow: 0 5px 25px rgba(0,0,0,0.2); 
    position: relative; 
    animation: slideIn 0.4s; 
}
.close-btn { 
    color: #aaa; 
    position: absolute; 
    top: 15px; 
    right: 20px; 
    font-size: 28px; 
    font-weight: bold; 
    cursor: pointer; 
}
#addItemForm { 
    display: flex; 
    flex-direction: column; 
    gap: 15px; 
}
#addItemForm button { 
    margin-top: 10px; 
}
.quantity-group { 
    display: flex; 
    gap: 10px; 
}
.quantity-group input[type="number"] { 
    flex-basis: 80px; 
    flex-grow: 0; 
}
.quantity-group input[type="text"] { 
    flex-grow: 1; 
}

/* --- Tela de Login/Cadastro (AUTH) --- */
#auth-container { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 100%; 
    min-height: 100vh; 
    background-color: var(--background-color); 
}
.auth-box { 
    width: 90%; 
    max-width: 400px; 
    padding: 40px; 
    background: var(--card-background); 
    box-shadow: var(--shadow); 
    border-radius: 12px; 
}
.auth-box h2 { 
    text-align: center; 
    color: var(--primary-color); 
    margin-bottom: 2rem; 
}
.auth-box form { 
    display: flex; 
    flex-direction: column; 
    gap: 1.5rem; 
}
.auth-box p { 
    text-align: center; 
    margin-top: 1rem; 
    font-size: 0.9rem; 
}
.auth-box a { 
    color: var(--primary-color); 
    text-decoration: none; 
    font-weight: 600; 
    cursor: pointer; 
}


/* --- Controles de Arquivo --- */
.archive-controls { 
    display: flex; 
    justify-content: center; 
    margin-top: 1.5rem; 
}
.archive-btn { 
    background-color: #34495e; 
}
.archive-btn:hover { 
    background-color: #2c3e50; 
}

/* --- Loading Spinner e Mensagens --- */
.loading-spinner { 
    border: 6px solid #f3f3f3; 
    border-top: 6px solid var(--primary-color); 
    border-radius: 50%; 
    width: 50px; 
    height: 50px; 
    animation: spin 1s linear infinite; 
    margin: 40px auto; 
    display: none; 
}
.empty-list-message {
    text-align: center;
    color: var(--text-light);
    padding: 30px;
    background: var(--card-background);
    border-radius: 8px;
    box-shadow: var(--shadow);
}


/* --- Animações --- */
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideIn { from { transform: translateY(-50px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- Responsividade --- */
@media (max-width: 768px) {
    .app-container {
        padding: 10px;
        margin: 0;
    }
    header { 
        flex-direction: column; 
        align-items: flex-start; 
        margin-bottom: 1rem;
    }
    .controls, .filters { 
        flex-direction: column; 
        align-items: stretch; 
        gap: 0.5rem;
    }
    .totals-container {
        flex-direction: column;
        gap: 10px;
    }
    .list-container {
        grid-template-columns: 1fr;
    }
    .modal-content { 
        margin: 5% auto; 
    }
}